loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.326: download - view: text, annotated - select for diffs
Fri Jan 6 20:05:59 2012 UTC (12 years, 5 months ago) by www
Branches: MAIN
CVS tags: HEAD

Like/unlike working

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.326 2012/01/06 20:05:59 www Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/$LONCAPA::assess_re/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: 285: my $now = time; 286: $discinfo{$visitkey} = $visit; 287: 288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 289: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 290: 291: my $discussion=''; 292: my $manifestfile; 293: my $manifestok=0; 294: my $tempexport; 295: my $imsresources; 296: my $copyresult; 297: 298: my $function = &Apache::loncommon::get_users_function(); 299: my %lt = &Apache::lonlocal::texthash( 300: 'cuse' => 'My settings for this discussion', 301: 'allposts' => 'All posts', 302: 'unread' => 'New posts only', 303: 'unmark' => 'Unread only', 304: 'ondisp' => 'Once displayed', 305: 'onmark' => 'Once marked not NEW', 306: 'toggoff' => 'Off', 307: 'toggon' => 'On', 308: 'disa' => 'Posts to be displayed', 309: 'npce' => 'Posts cease to be marked "NEW"', 310: 'epcb' => 'Each post can be toggled read/unread', 311: 'chgt' => 'Change', 312: 'disp' => 'Display', 313: 'nolo' => 'Not new', 314: 'togg' => 'Toggle read/unread', 315: 'aner' => 'An error occurred opening the manifest file.', 316: 'difo' => 'Discussion for', 317: 'aerr' => 'An error occurred opening the export file for posting', 318: 'aysu' => 'Are you sure you want to delete this post?', 319: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 320: 'bwco' => 'but will continue to be visible to your instructor', 321: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 322: 'discussions' => 'DISCUSSIONS' 323: ); 324: 325: my $currdisp = $lt{'allposts'}; 326: my $currmark = $lt{'onmark'}; 327: my $currtogg = $lt{'toggoff'}; 328: my $dispchange = $lt{'unread'}; 329: my $markchange = $lt{'ondisp'}; 330: my $toggchange = $lt{'toggon'}; 331: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 332: my $displinkA = 'onlyunread'; 333: my $displinkB = 'onlyunmark'; 334: my $marklink = 'markondisp'; 335: my $togglink = 'toggon'; 336: 337: if ($markondisp) { 338: $currmark = $lt{'ondisp'}; 339: $markchange = $lt{'onmark'}; 340: $marklink = 'markonread'; 341: } 342: 343: if ($showonlyunread) { 344: $currdisp = $lt{'unread'}; 345: $dispchange = $lt{'allposts'}; 346: $displinkA = 'allposts'; 347: } 348: 349: if ($showunmark) { 350: $currdisp = $lt{'unmark'}; 351: $dispchange = $lt{'unmark'}; 352: $displinkA='allposts'; 353: $displinkB='onlyunread'; 354: $showonlyunread = 0; 355: } 356: 357: if ($dischash{$toggkey}) { 358: $currtogg = $lt{'toggon'}; 359: $toggchange = $lt{'toggoff'}; 360: $togglink = 'toggoff'; 361: } 362: 363: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 364: 365: if ($newpostsflag) { 366: $chglink .= '&previous='.$prevread; 367: } 368: $chglink.=&group_args($group); 369: 370: if ($visible) { 371: # Print the discusssion 372: if ($outputtarget eq 'tex') { 373: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 374: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 375: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 376: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 377: } elsif ($outputtarget eq 'export') { 378: # Create temporary directory if this is an export 379: my $now = time; 380: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 381: $tempexport = $$imsextras{'tempexport'}; 382: if (!-e $tempexport) { 383: mkdir($tempexport,0700); 384: } 385: $tempexport .= '/'.$$imsextras{'count'}; 386: if (!-e $tempexport) { 387: mkdir($tempexport,0700); 388: } 389: } else { 390: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 391: if (!-e $tempexport) { 392: mkdir($tempexport,0700); 393: } 394: $tempexport .= '/'.$now; 395: if (!-e $tempexport) { 396: mkdir($tempexport,0700); 397: } 398: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 399: } 400: if (!-e $tempexport) { 401: mkdir($tempexport,0700); 402: } 403: # open manifest file 404: my $manifest = '/imsmanifest.xml'; 405: my $manifestfilename = $tempexport.$manifest; 406: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 407: $manifestok=1; 408: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 409: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 410: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 411: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 412: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 413: <organizations default="$ressymb"> 414: <organization identifier="$ressymb"> 415: <title>$lt{'difo'} $ressymb</title>\n|; 416: } else { 417: $discussion .= $lt{'aner'}.'<br />'; 418: } 419: } else { 420: my $colspan=$maxdepth+1; 421: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 422: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 423: var symbparm = symb+':::'+idx 424: var prevparm = "" 425: if (newflag == 1) { 426: prevparm = "&previous="+previous 427: } 428: if (caller == 'studentdelete') { 429: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 430: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 431: } 432: } else { 433: if (caller == 'seeiddelete') { 434: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 435: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 436: } 437: } 438: } 439: } 440: |); 441: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 442: "\n".'<table width="100%" class="LC_discussion">'; 443: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 444: $newpostsflag,$group, 445: $prevread,$markondisp); 446: my $escsymb=&escape($ressymb); 447: my $numhidden = keys(%notshown); 448: if ($numhidden > 0) { 449: my $colspan = $maxdepth+1; 450: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 451: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 452: if ($newpostsflag) { 453: $discussion .= '&previous='.$prevread; 454: } 455: $discussion .= &group_args($group); 456: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 457: $numhidden.' '; 458: if ($showunmark) { 459: $discussion .= &mt('posts previously marked read'); 460: } else { 461: $discussion .= &mt('previously viewed posts'); 462: } 463: $discussion .= '<br/></td></tr>'; 464: } 465: } 466: 467: # Choose sort mechanism 468: my @showposts = (); 469: if ($sortposts eq 'descdate') { 470: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 471: } elsif ($sortposts eq 'thread') { 472: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 473: } elsif ($sortposts eq 'subject') { 474: foreach my $key (sort(keys(%subjectsort))) { 475: push(@showposts, @{$subjectsort{$key}}); 476: } 477: } elsif ($sortposts eq 'username') { 478: foreach my $domain (sort(keys(%usernamesort))) { 479: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 480: push(@showposts, @{$usernamesort{$domain}{$key}}); 481: } 482: } 483: } elsif ($sortposts eq 'lastfirst') { 484: foreach my $last (sort(keys(%namesort))) { 485: foreach my $key (sort(keys(%{$namesort{$last}}))) { 486: push(@showposts, @{$namesort{$last}{$key}}); 487: } 488: } 489: } else { 490: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 491: } 492: my $currdepth = 0; 493: my $firstidx = $alldiscussion{$showposts[0]}; 494: foreach my $post (@showposts) { 495: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 496: $alldiscussion{$post} = $post; 497: } 498: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 500: $discussion.="\n<tr>"; 501: } 502: my $thisdepth=$depth[$alldiscussion{$post}]; 503: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 504: for (1..$thisdepth) { 505: $discussion.='<td>    </td>'; 506: } 507: } 508: my $colspan=$maxdepth-$thisdepth+1; 509: if ($outputtarget eq 'tex') { 510: #cleanup block 511: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 512: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 513: my $threadinsert=''; 514: if ($thisdepth > 0) { 515: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 516: } 517: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 519: 520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 521: $discussion.=$discussionitems[$alldiscussion{$post}]; 522: } elsif ($outputtarget eq 'export') { 523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 524: if ($manifestok) { 525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 526: print $manifestfile ' </item>'."\n"; 527: } 528: $currdepth = $depth[$alldiscussion{$post}]; 529: print $manifestfile "\n". 530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 533: $imsresources .= "\n". 534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 535: '<file href="'.$postfilename.'">'."\n". 536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 537: '</resource>'; 538: } 539: my $postingfile; 540: my $postingfilename = $tempexport.'/'.$postfilename; 541: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 543: $imsitems{$alldiscussion{$post}}{'title'}.' '. 544: $imsitems{$alldiscussion{$post}}{'sender'}. 545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 548: close($postingfile); 549: } else { 550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 551: } 552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 553: } else { 554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 556: '</td></tr>'; 557: } 558: } 559: } 560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 561: my $colspan=$maxdepth+1; 562: $discussion .= <<END; 563: <tr> 564: <td colspan="$colspan"> 565: <table width="100%"> 566: <tr> 567: <td class="LC_disc_action_left"> 568: <font size="-1"><b>$lt{'cuse'}</b>:  569: END 570: if ($newpostsflag) { 571: $discussion .= 572: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 573: if ($dischash{$toggkey}) { 574: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 575: } 576: } else { 577: if ($dischash{$toggkey}) { 578: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 579: } else { 580: $discussion .= 581: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 582: } 583: } 584: $discussion .= <<END; 585:   <b><a href="$chglink">$lt{'chgt'}</a></b></font> 586: </td> 587: END 588: if ($sortposts) { 589: my %sort_types = (); 590: my %role_types = (); 591: my %status_types = (); 592: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 593: 594: $discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 595: if (defined($env{'form.totposters'})) { 596: $discussion .= &mt('Posts by').':'; 597: if ($totposters > 0) { 598: foreach my $poster (@posters) { 599: $discussion .= ' '.$poster.','; 600: } 601: $discussion =~ s/,$//; 602: } else { 603: $discussion .= &mt('None selected'); 604: } 605: } else { 606: my $filterchoice =''; 607: if (@sectionpick > 0) { 608: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 609: $filterchoice .= '    '; 610: } 611: if (@grouppick > 0) { 612: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 613: $filterchoice .= '    '; 614: } 615: if (@rolefilter > 0) { 616: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 617: foreach my $role (@rolefilter) { 618: $filterchoice .= ' '.$role_types{$role}.','; 619: } 620: $filterchoice =~ s/,$//; 621: $filterchoice .= '<br />'.(' ' x8); 622: } 623: if ($statusfilter) { 624: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 625: } 626: if ($filterchoice) { 627: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 628: } 629: } 630: $discussion .= '</font></td>'; 631: 632: } 633: if ($dischash{$toggkey}) { 634: my $storebutton = &mt('Save read/unread changes'); 635: $discussion.='<td align="right">'. 636: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 637: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 638: ' onclick="this.form.submit();" />'."\n". 639: '</td>'; 640: } 641: $discussion .= (<<END); 642: </tr> 643: </table> 644: </td> 645: </tr> 646: END 647: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 648: $newpostsflag,$group, 649: $prevread,$markondisp); 650: $discussion .= "</table></form>\n"; 651: } 652: if ($outputtarget eq 'export') { 653: if ($manifestok) { 654: while ($currdepth > 0) { 655: print $manifestfile " </item>\n"; 656: $currdepth --; 657: } 658: print $manifestfile qq| 659: </organization> 660: </organizations> 661: <resources> 662: $imsresources 663: </resources> 664: </manifest> 665: |; 666: close($manifestfile); 667: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 668: $discussion = $copyresult; 669: } else { 670: 671: #Create zip file in prtspool 672: 673: my $imszipfile = '/prtspool/'. 674: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 675: time.'_'.rand(1000000000).'.zip'; 676: my $cwd = &getcwd(); 677: my $imszip = '/home/httpd/'.$imszipfile; 678: chdir $tempexport; 679: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 680: close(OUTPUT); 681: chdir $cwd; 682: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 683: if ($copyresult) { 684: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 685: } 686: } 687: } else { 688: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />'; 689: } 690: return $discussion; 691: } 692: } 693: if ($discussiononly) { 694: my $now = time; 695: my $attachnum = 0; 696: my $currnewattach = []; 697: my $currdelold = []; 698: my $comment = ''; 699: my $subject = ''; 700: if ($env{'form.origpage'}) { 701: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 702: $subject = &unescape($env{'form.subject'}); 703: $comment = &unescape($env{'form.comment'}); 704: my @keepold = (); 705: &process_attachments($currnewattach,$currdelold,\@keepold); 706: if (@{$currnewattach} > 0) { 707: $attachnum += @{$currnewattach}; 708: } 709: } 710: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 711: if (($group ne '') && ($mode eq 'board')) { 712: if ((&check_group_priv($group,'pgd') eq 'ok') && 713: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 714: $discussion .= 715: &postingform_display($mode,$ressymb,$now,$subject, 716: $comment,$outputtarget,$attachnum, 717: $currnewattach,$currdelold, 718: $group,$crstype); 719: } 720: } else { 721: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 722: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 723: 724: $discussion.= 725: &postingform_display($mode,$ressymb,$now,$subject, 726: $comment,$outputtarget,$attachnum, 727: $currnewattach,$currdelold,'',$crstype); 728: } else { 729: $discussion.= '<span class="LC_feedback_link">'. 730: &mt('This discussion is closed.').'</span>'; 731: } 732: } 733: } 734: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 735: $discussion.= '<span class="LC_feedback_link">'. 736: &mt('This discussion is closed.').'</span>'; 737: } 738: } elsif ($outputtarget ne 'tex') { 739: $discussion.='<div class="LC_feedback_link">'; 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: $discussion.= &send_feedback_link($ressymb); 745: if ($env{'request.role.adv'}) { 746: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 747: if (defined($close) && $close ne '' && $close < time) { 748: $discussion .= ' '.&mt('(Closed for [_1] roles)', 749: &Apache::lonnet::plaintext('st',$crstype)); 750: } 751: } 752: } else { 753: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 754: } 755: $discussion.= &send_message_link($ressymb).'</div>'; 756: } 757: return $discussion; 758: } 759: 760: 761: sub discussion_link { 762: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds)=@_; 763: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item; 764: if ($flag) { $link .= '&previous='.$prev; } 765: if ($adds) { $link .= $adds; } 766: my $width=600; 767: my $height=600; 768: if (($cmd eq 'hide') || ($cmd eq 'unhide') || ($cmd eq 'like') || ($cmd eq 'unlike')) { 769: $width=300; 770: $height=200; 771: } 772: return &Apache::loncommon::modal_link($link,$linktext,$width,$height); 773: } 774: 775: 776: sub send_feedback_link { 777: my ($ressymb) = @_; 778: return '<span class="LC_feedback_link">'. 779: &discussion_link($ressymb, 780: '<img alt="" class="LC_noBorder" src="'. 781: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 782: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>', 783: 'replydisc'). 784: '</span>'; 785: } 786: 787: sub send_message_link { 788: my ($ressymb) = @_; 789: my $output = '<span class="LC_message_link">'. 790: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 791: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 792: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 793: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 794: return $output; 795: } 796: 797: sub action_links_bar { 798: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 799: my $discussion = '<tr><td colspan="'.$colspan.'">'. 800: '<table width="100%"><tr>'. 801: '<td class="LC_disc_action_left">'; 802: my $escsymb=&escape($ressymb); 803: if ($visible) { 804: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 805: if ($newpostsflag) { 806: $discussion .= '&previous='.$prevread; 807: } 808: $discussion .= &group_args($group); 809: $discussion .='">'.&mt('Threaded View').'</a>  '. 810: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 811: if ($newpostsflag) { 812: $discussion .= '&previous='.$prevread; 813: } 814: $discussion .= &group_args($group); 815: $discussion .='">'.&mt('Chronological View').'</a>  '; 816: 817: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes'; 818: if ($newpostsflag) { 819: $otherviewurl .= '&previous='.$prevread; 820: } 821: $otherviewurl .= &group_args($group); 822: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340); 823: $discussion .= '<br />'; 824: } 825: $discussion .='<a href="/adm/feedback?export='.$escsymb; 826: if ($newpostsflag) { 827: $discussion .= '&previous='.$prevread; 828: } 829: $discussion .= &group_args($group); 830: $discussion .= '">'.&mt('Export').'</a></td>'; 831: if ($newpostsflag) { 832: if (!$markondisp) { 833: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 834: $discussion .= &group_args($group); 835: $discussion .= '">'. 836: &mt('My general preferences on what is marked as NEW'). 837: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 838: $discussion .= &group_args($group); 839: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 840: } else { 841: $discussion .= '<td> </td>'; 842: } 843: } else { 844: $discussion .= '<td> </td>'; 845: } 846: $discussion .= '</tr></table></td></tr>'; 847: return $discussion; 848: } 849: 850: sub postingform_display { 851: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 852: $currnewattach,$currdelold,$group,$crstype) = @_; 853: my $newattachmsg; 854: my %lt = &Apache::lonlocal::texthash( 855: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 856: 'title' => 'Title', 857: 'podi' => 'Post Discussion', 858: 'poan' => 'Post Anonymous Discussion', 859: 'newa' => 'New attachments', 860: ); 861: if ($crstype eq 'Community') { 862: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 863: } 864: my ($postingform,$textareaclass); 865: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 866: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 867: $textareaclass = 'class="LC_richDefaultOff"'; 868: if ($env{'request.course.id'}) { 869: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 870: undef($textareaclass); 871: } 872: } 873: } 874: $postingform .= (<<ENDDISCUSS); 875: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 876: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 877: <input type="hidden" name="sendit" value="true" /> 878: <input type="hidden" name="timestamp" value="$now" /> 879: <br /><a name="newpost"></a> 880: <font size="1">$lt{'note'}</font><br /> 881: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 882: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 883: ENDDISCUSS 884: if ($env{'form.origpage'}) { 885: $postingform .= '<input type="hidden" name="origpage" value="'. 886: $env{'form.origpage'}.'" />'."\n"; 887: foreach my $att (@{$currnewattach}) { 888: $postingform .= '<input type="hidden" name="currnewattach" '. 889: 'value="'.$att.'" />'."\n"; 890: } 891: } 892: if (exists($env{'form.ref'})) { 893: $postingform .= '<input type="hidden" name="ref" value="'. 894: $env{'form.ref'}.'" />'; 895: } 896: if ($group ne '') { 897: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 898: } 899: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 900: if (!$blockblog) { 901: $postingform .= &add_blog_checkbox($crstype); 902: } 903: $postingform .= "</form>\n"; 904: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 905: $now,$currnewattach, 906: $currdelold,'',$mode, 907: $blockblog); 908: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 909: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 910: if (@{$currnewattach} > 1) { 911: $newattachmsg .= '<ol>'; 912: foreach my $item (@{$currnewattach}) { 913: $item =~ m#.*/([^/]+)$#; 914: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 915: } 916: $newattachmsg .= '</ol>'."\n"; 917: } else { 918: $$currnewattach[0] =~ m#.*/([^/]+)$#; 919: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 920: } 921: } 922: $postingform .= $newattachmsg; 923: $postingform .= &generate_preview_button(); 924: return $postingform; 925: } 926: 927: sub build_posting_display { 928: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 929: my @original=(); 930: my @index=(); 931: my $skip_group_check = 0; 932: my $symb=&Apache::lonenc::check_decrypt($ressymb); 933: my $escsymb=&escape($ressymb); 934: # These are the discussion contributions 935: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 936: $env{'course.'.$env{'request.course.id'}.'.domain'}, 937: $env{'course.'.$env{'request.course.id'}.'.num'}); 938: # And these are the likes/unlikes 939: my %likes=&Apache::lonnet::dump('disclikes', 940: $env{'course.'.$env{'request.course.id'}.'.domain'}, 941: $env{'course.'.$env{'request.course.id'}.'.num'}, 942: '^'.$symb.':'); 943: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 944: # Array with likes to figure out averages, etc. 945: my @theselikes=(); 946: # Is the user allowed to see the real name behind anonymous postings? 947: my $see_anonymous = 948: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 949: 950: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 951: $skip_group_check = 1; 952: } 953: # Deletions and hiddens are just lists. Split them up into a hash for quicker lookup 954: my (%deletions,%hiddens); 955: if ($contrib{'deleted'}) { 956: my $deleted = $contrib{'deleted'}; 957: $deleted =~ s/^\.//; 958: $deleted =~ s/\.$//; 959: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 960: } 961: if ($contrib{'hidden'}) { 962: my $hidden = $contrib{'hidden'}; 963: $hidden =~ s/^\.//; 964: $hidden =~ s/\.$//; 965: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 966: } 967: # Versions if store/restore are used to actually store the messages. 968: if ($contrib{'version'}) { 969: my $oldest = $contrib{'1:timestamp'}; 970: if ($prevread eq '0') { 971: $prevread = $oldest-1; 972: } 973: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 974: if ($sortposts) { 975: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 976: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 977: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 978: } 979: # We need to go through this twice, first to get the likes/dislikes, then to actually build the display 980: for (my $id=1;$id<=$contrib{'version'};$id++) { 981: my $idx=$id; 982: next if ($contrib{$idx.':deleted'}); 983: next if ($contrib{$idx.':hidden'}); 984: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx}) || (!$contrib{$idx.':message'})) { 985: push(@theselikes,$likes{$symb.':'.$idx.':likes'}); 986: } 987: } 988: # Figure out average likes and standard deviation if there are enough discussions to warrant that 989: my $ave=0; 990: my $stddev=10000; 991: if ($#theselikes>1) { 992: my $sum=0; 993: my $num=$#theselikes+1; 994: foreach my $thislike (@theselikes) { 995: $sum+=$thislike; 996: } 997: $ave=$sum/$num; 998: my $sumsq=0; 999: foreach my $thislike (@theselikes) { 1000: $sumsq+=($thislike-$ave)*($thislike-$ave); 1001: } 1002: $stddev=sqrt($sumsq/$num); 1003: } 1004: # Now we know the average likes $ave and the standard deviation $stddev 1005: # Get the boundaries for markup 1006: my $oneplus=$ave+$stddev; 1007: my $twoplus=$ave+2.*$stddev; 1008: my $oneminus=$ave-$stddev; 1009: my $twominus=$ave-2.*$stddev; 1010: # &Apache::lonnet::logthis(join(',',@theselikes)." Ave $ave StdDev $stddev $twominus $oneminus $oneplus $twoplus"); 1011: # 1012: # This is now the real loop. Go through all entries, pick up what we need 1013: # 1014: for (my $id=1;$id<=$contrib{'version'};$id++) { 1015: my $idx=$id; 1016: next if ($contrib{$idx.':deleted'}); 1017: next if ($contrib{$idx.':hidden'}); 1018: # If we get here, we are actually going to display the message - we don't know where and we don't know if we display 1019: # previous edits, but it counts as one entry 1020: my $posttime = $contrib{$idx.':timestamp'}; 1021: if ($prevread <= $posttime) { 1022: $$newpostsflag = 1; 1023: } 1024: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 1025: my $origindex='0.'; 1026: my $numoldver=0; 1027: if ($contrib{$idx.':replyto'}) { 1028: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1029: # this is a follow-up message 1030: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 1031: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 1032: $origindex=$index[$contrib{$idx.':replyto'}]; 1033: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 1034: } else { 1035: $original[$idx]=0; 1036: $$depth[$idx]=0; 1037: } 1038: } else { 1039: # this is an original message 1040: $original[$idx]=0; 1041: $$depth[$idx]=0; 1042: } 1043: if ($$replies[$$depth[$idx]]) { 1044: $$replies[$$depth[$idx]]++; 1045: } else { 1046: $$replies[$$depth[$idx]]=1; 1047: } 1048: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1049: $$visible++; 1050: if ($contrib{$idx.':history'}) { 1051: if ($contrib{$idx.':history'} =~ /:/) { 1052: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1053: $numoldver = @oldversions; 1054: } else { 1055: $numoldver = 1; 1056: } 1057: } 1058: $$current = $numoldver; 1059: my %messages = (); 1060: my %subjects = (); 1061: my %attachtxt = (); 1062: my %allattachments = (); 1063: my ($screenname,$plainname); 1064: my $sender = &mt('Anonymous'); 1065: # Anonymous users getting number within a discussion 1066: # Since idx is in static order, this should give the same sequence every time. 1067: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1068: unless ($$anonhash{$key}) { 1069: $anoncnt++; 1070: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1071: } 1072: my ($message,$subject,$vgrlink,$ctlink); 1073: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1074: 1075: 1076: # Set up for sorting by subject 1077: unless ($outputtarget eq 'export') { 1078: $message=$messages{$numoldver}; 1079: $message.=$attachtxt{$numoldver}; 1080: $subject=$subjects{$numoldver}; 1081: if ($message) { 1082: if ($hiddens{$idx}) { 1083: $message='<font color="#888888">'.$message.'</font>'; 1084: if ($studenthidden) { 1085: $message .='<br /><br />Deleted by poster (student).'; 1086: } 1087: } 1088: 1089: if ($subject eq '') { 1090: if (defined($$subjectsort{'__No subject'})) { 1091: push(@{$$subjectsort{'__No subject'}}, $idx); 1092: } else { 1093: @{$$subjectsort{'__No subject'}} = ("$idx"); 1094: } 1095: } else { 1096: if (defined($$subjectsort{$subject})) { 1097: push(@{$$subjectsort{$subject}}, $idx); 1098: } else { 1099: @{$$subjectsort{$subject}} = ("$idx"); 1100: } 1101: } 1102: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1103: $sender=&Apache::loncommon::aboutmewrapper( 1104: $plainname, 1105: $contrib{$idx.':sendername'}, 1106: $contrib{$idx.':senderdomain'}).' ('. 1107: $contrib{$idx.':sendername'}.':'. 1108: $contrib{$idx.':senderdomain'}.')'; 1109: $sender = '<b>'.$sender.'</b>'; 1110: if ($contrib{$idx.':anonymous'}) { 1111: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1112: $screenname; 1113: } 1114: if ($see_anonymous) { 1115: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1116: } 1117: # Set up for sorting by domain, then username 1118: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1119: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1120: } 1121: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1122: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1123: } else { 1124: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1125: } 1126: # Set up for sorting by last name, then first name 1127: my %names = &Apache::lonnet::get('environment', 1128: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1129: ,$contrib{$idx.':sendername'}); 1130: my $lastname = $names{'lastname'}; 1131: my $firstname = $names{'firstname'}; 1132: if ($lastname eq '') { 1133: $lastname = '_'; 1134: } 1135: if ($firstname eq '') { 1136: $firstname = '_'; 1137: } 1138: unless (defined($$namesort{$lastname})) { 1139: %{$$namesort{$lastname}} = (); 1140: } 1141: if (defined($$namesort{$lastname}{$firstname})) { 1142: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1143: } else { 1144: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1145: } 1146: if ($outputtarget ne 'tex') { 1147: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) { 1148: $sender.=' '.&discussion_link($symb,&mt('Like'),'like',$idx,$$newpostsflag,$prevread,&group_args($group)); 1149: } 1150: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) { 1151: $sender.=' '.&discussion_link($symb,&mt('Unlike'),'unlike',$idx,$$newpostsflag,$prevread,&group_args($group)); 1152: } 1153: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1154: if ($thislikes>0) { 1155: $sender.=' ('.&mt("[_1] likes",$thislikes).')'; 1156: } elsif ($thislikes<0) { 1157: $sender.=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; 1158: } 1159: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1160: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1161: $sender.=' '. 1162: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1163: unless ($seeid) { 1164: my $grpargs = &group_args($group); 1165: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1166: $sender .= '">'.&mt('Delete').'</a>'; 1167: } 1168: } 1169: } 1170: if ($seeid) { 1171: if ($hiddens{$idx}) { 1172: unless ($studenthidden) { 1173: $sender.=' '. 1174: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1175: } 1176: } else { 1177: $sender.=' '. 1178: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1179: } 1180: my $grpargs = &group_args($group); 1181: $sender.= 1182: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1183: $sender .= &mt('Delete').'</a>'; 1184: } 1185: } 1186: } else { 1187: if ($screenname) { 1188: $sender='<i>'.$screenname.'</i>'; 1189: } else { 1190: $sender='<i>'.$$anonhash{$key}.'</i>'; 1191: } 1192: $sender = '<b>'.$sender.'</b>'; 1193: # Set up for sorting by domain, then username for anonymous 1194: unless (defined($$usernamesort{'__anon'})) { 1195: %{$$usernamesort{'__anon'}} = (); 1196: } 1197: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1198: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1199: } else { 1200: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1201: } 1202: # Set up for sorting by last name, then first name for anonymous 1203: unless (defined($$namesort{'__anon'})) { 1204: %{$$namesort{'__anon'}} = (); 1205: } 1206: if (defined($$namesort{'__anon'}{'__anon'})) { 1207: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1208: } else { 1209: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1210: } 1211: } 1212: if ($outputtarget ne 'tex') { 1213: if (&discussion_open($status)) { 1214: if (($group ne '') && 1215: (&check_group_priv($group,'pgd') eq 'ok')) { 1216: $sender.=' '. 1217: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1218: } elsif (&Apache::lonnet::allowed('pch', 1219: $env{'request.course.id'}. 1220: ($env{'request.course.sec'}?'/'. 1221: $env{'request.course.sec'}:''))) { 1222: $sender.=' '. 1223: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread); 1224: } 1225: } 1226: if ($viewgrades) { 1227: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1228: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1229: } 1230: if ($$dischash{$readkey}=~/\.$idx\./) { 1231: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1232: } else { 1233: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1234: } 1235: } 1236: } 1237: #figure out at what position this needs to print 1238: } 1239: if ($outputtarget eq 'export' || $message) { 1240: my $thisindex=$idx; 1241: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1242: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1243: } 1244: $$alldiscussion{$thisindex}=$idx; 1245: $$shown{$idx} = 0; 1246: $index[$idx]=$thisindex; 1247: } 1248: if ($outputtarget eq 'export') { 1249: %{$$imsitems{$idx}} = (); 1250: $$imsitems{$idx}{'isvisible'}='true'; 1251: if ($hiddens{$idx}) { 1252: $$imsitems{$idx}{'isvisible'}='false'; 1253: } 1254: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1255: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1256: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1257: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1258: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1259: $contrib{$idx.':sendername'}.':'. 1260: $contrib{$idx.':senderdomain'}.')'; 1261: $$imsitems{$idx}{'isanonymous'}='false'; 1262: if ($contrib{$idx.':anonymous'}) { 1263: $$imsitems{$idx}{'isanonymous'}='true'; 1264: } 1265: $$imsitems{$idx}{'currversion'}=$numoldver; 1266: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1267: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1268: $$shown{$idx} = 1; 1269: } 1270: } else { 1271: if ($message) { 1272: my $spansize = 2; 1273: if ($showonlyunread && $prevread > $posttime) { 1274: $$notshown{$idx} = 1; 1275: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1276: $$notshown{$idx} = 1; 1277: } else { 1278: # apply filters 1279: my $uname = $contrib{$idx.':sendername'}; 1280: my $udom = $contrib{$idx.':senderdomain'}; 1281: my $poster = $uname.':'.$udom; 1282: if ($env{'form.totposters'} ne '') { 1283: if ($totposters == 0) { 1284: $$shown{$idx} = 0; 1285: } elsif ($totposters > 0) { 1286: if (grep/^$poster$/,@{$posters}) { 1287: $$shown{$idx} = 1; 1288: } 1289: } 1290: } elsif ($sortposts) { 1291: if ($skiptest) { 1292: $$shown{$idx} = 1; 1293: } else { 1294: foreach my $role (@{$$roleinfo{$poster}}) { 1295: if ($role =~ /^cc:/) { 1296: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1297: if ($role =~ /$cc_regexp/) { 1298: $$shown{$idx} = 1; 1299: last; 1300: } 1301: } elsif ($role =~ /^$rolematch$/) { 1302: $$shown{$idx} = 1; 1303: last; 1304: } 1305: } 1306: } 1307: if ($$shown{$idx} && !$skip_group_check) { 1308: my $showflag = 0; 1309: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1310: foreach my $grp (@{$grouppick}) { 1311: if (grep/^\Q$grp\E$/, 1312: keys(%{$$classgroups{$poster}{active}})) { 1313: $showflag = 1; 1314: last; 1315: } 1316: } 1317: } 1318: if ($showflag) { 1319: $$shown{$idx} = 1; 1320: } else { 1321: $$shown{$idx} = 0; 1322: } 1323: } 1324: } else { 1325: $$shown{$idx} = 1; 1326: } 1327: } 1328: unless ($$notshown{$idx} == 1) { 1329: if ($prevread > 0 && $prevread <= $posttime) { 1330: $$newitem{$idx} = 1; 1331: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>'; 1332: } else { 1333: $$newitem{$idx} = 0; 1334: } 1335: $$discussionitems[$idx] .= '<b>'.$subject.'</b>  '. 1336: $sender.' '.$vgrlink.' ('. 1337: &Apache::lonlocal::locallocaltime($posttime).')'; 1338: if ($$dischash{$toggkey}) { 1339: $$discussionitems[$idx].='  '.$ctlink; 1340: } 1341: # Figure out size based on likes 1342: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1343: my $likesize="100"; 1344: if ($thislikes>$twoplus) { 1345: $likesize="200"; 1346: } elsif ($thislikes>$oneplus) { 1347: $likesize="150"; 1348: } 1349: if ($thislikes<$twominus) { 1350: $likesize="50"; 1351: } elsif ($thislikes<$oneminus) { 1352: $likesize="75"; 1353: } 1354: $$discussionitems[$idx].= '<br /><blockquote>'. 1355: "<div style='font-size:$likesize%'>". 1356: $message. 1357: '</div></blockquote>'; 1358: if ($contrib{$idx.':history'}) { 1359: my @postversions = (); 1360: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1361: if ($seeid) { 1362: $$discussionitems[$idx] .= '  '. 1363: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group)); 1364: } 1365: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1366: if ($contrib{$idx.':history'} =~ m/:/) { 1367: @postversions = split(/:/,$contrib{$idx.':history'}); 1368: } else { 1369: @postversions = ("$contrib{$idx.':history'}"); 1370: } 1371: for (my $i=0; $i<@postversions; $i++) { 1372: my $version = $i+1; 1373: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1374: } 1375: } 1376: # end of unless ($$notshown ...) 1377: } 1378: # end of if ($message) ... 1379: } 1380: # end of the else-branch of target being export 1381: } 1382: # end of unless hidden or deleted 1383: } 1384: # end of the loop over all discussion entries 1385: } 1386: # end of "if there actually are any discussions 1387: } 1388: # end of subroutine "build_posting_display" 1389: } 1390: 1391: sub filter_regexp { 1392: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1393: my ($roleregexp,$secregexp,$statusregexp); 1394: my $skiptest = 1; 1395: if (@{$rolefilter} > 0) { 1396: my @okrolefilter = (); 1397: foreach my $role (@{$rolefilter}) { 1398: unless ($role eq '') { 1399: push(@okrolefilter, $role); 1400: } 1401: } 1402: if (@okrolefilter > 0) { 1403: if (grep/^all$/,@okrolefilter) { 1404: $roleregexp='[^:]+'; 1405: } else { 1406: if (@okrolefilter == 1) { 1407: $roleregexp=$okrolefilter[0]; 1408: } else { 1409: $roleregexp='('.join('|',@okrolefilter).')'; 1410: } 1411: $skiptest = 0; 1412: } 1413: } 1414: } 1415: if (@{$sectionpick} > 0) { 1416: my @oksectionpick = (); 1417: foreach my $sec (@{$sectionpick}) { 1418: unless ($sec eq '') { 1419: push(@oksectionpick, $sec); 1420: } 1421: } 1422: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1423: if (@oksectionpick == 1) { 1424: $secregexp = $oksectionpick[0]; 1425: } else { 1426: $secregexp .= '('.join('|',@oksectionpick).')'; 1427: } 1428: $skiptest = 0; 1429: } else { 1430: $secregexp .= '[^:]*'; 1431: } 1432: } 1433: 1434: if (defined($statusfilter) && $statusfilter ne '') { 1435: if ($statusfilter eq 'all') { 1436: $statusregexp = '[^:]+'; 1437: } else { 1438: $statusregexp = $statusfilter; 1439: $skiptest = 0; 1440: } 1441: } 1442: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1443: } 1444: 1445: 1446: sub get_post_contents { 1447: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1448: my $discussion = ''; 1449: my $start=$numver; 1450: my $end=$numver + 1; 1451: %{$$imsfiles{$idx}}=(); 1452: if ($type eq 'allversions') { 1453: unless($seeid) { 1454: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1455: return $discussion; 1456: } 1457: } 1458: # $$screenname=&Apache::loncommon::screenname( 1459: # $$contrib{$idx.':sendername'}, 1460: # $$contrib{$idx.':senderdomain'}); 1461: $$plainname=&Apache::loncommon::nickname( 1462: $$contrib{$idx.':sendername'}, 1463: $$contrib{$idx.':senderdomain'}); 1464: $$screenname=$$contrib{$idx.':screenname'}; 1465: 1466: my $sender=&Apache::loncommon::aboutmewrapper( 1467: $$plainname, 1468: $$contrib{$idx.':sendername'}, 1469: $$contrib{$idx.':senderdomain'}).' ('. 1470: $$contrib{$idx.':sendername'}.':'. 1471: $$contrib{$idx.':senderdomain'}.')'; 1472: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1473: my @postversions = (); 1474: if ($type eq 'allversions' || $type eq 'export') { 1475: $start = 0; 1476: if ($$contrib{$idx.':history'}) { 1477: @postversions = split(/:/,$$contrib{$idx.':history'}); 1478: } 1479: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1480: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1481: push(@postversions,$$contrib{$idx.':timestamp'}); 1482: $end = @postversions; 1483: } else { 1484: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1485: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1486: } 1487: 1488: if ($$contrib{$idx.':anonymous'}) { 1489: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1490: } 1491: if ($type eq 'allversions') { 1492: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1493: } 1494: for (my $i=$start; $i<$end; $i++) { 1495: my ($timesent,$attachmsg); 1496: my %currattach = (); 1497: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1498: unless (&contains_block_html($messages->{$i})) { 1499: &newline_to_br(\$messages->{$i}); 1500: } 1501: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1502: $$subjects{$i}=~s/\n/\<br \/\>/g; 1503: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1504: if ($attachmenturls) { 1505: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1506: } 1507: if ($type eq 'export') { 1508: $$imsfiles{$idx}{$i} = ''; 1509: if ($attachmsg) { 1510: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1511: foreach my $key (sort(keys(%currattach))) { 1512: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1513: my $fname = $1.$3.'/'.$4; 1514: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1515: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1516: } 1517: } 1518: } 1519: } else { 1520: if ($attachmsg) { 1521: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1522: } else { 1523: $$attachtxt{$i} = ''; 1524: } 1525: } 1526: if ($type eq 'allversions') { 1527: $discussion.= <<"END"; 1528: <li><b>$$subjects{$i}</b>, $timesent<br /> 1529: $$messages{$i}<br /> 1530: $$attachtxt{$i}</li> 1531: END 1532: } 1533: } 1534: if ($type eq 'allversions') { 1535: $discussion.='</ul>'; 1536: return $discussion; 1537: } else { 1538: return; 1539: } 1540: } 1541: 1542: sub replicate_attachments { 1543: my ($attachrefs,$tempexport) = @_; 1544: my $response; 1545: foreach my $id (keys(%{$attachrefs})) { 1546: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1547: my $path = $tempexport; 1548: my $tail = $1.'/'.$2.$4; 1549: my @extras = split(/\//,$tail); 1550: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1551: if (!-e $destination) { 1552: my $i= 0; 1553: while ($i<@extras) { 1554: $path .= '/'.$extras[$i]; 1555: if (!-e $path) { 1556: mkdir($path,0700); 1557: } 1558: $i ++; 1559: } 1560: my ($content,$rtncode); 1561: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1562: if ($uploadreply eq 'ok') { 1563: my $attachcopy; 1564: if ($attachcopy = Apache::File->new('>'.$destination)) { 1565: print $attachcopy $content; 1566: close($attachcopy); 1567: } else { 1568: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1569: } 1570: } else { 1571: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1572: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1573: } 1574: } 1575: } 1576: } 1577: return $response; 1578: } 1579: 1580: sub mail_screen { 1581: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1582: if (exists($env{'form.origpage'})) { 1583: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1584: } 1585: 1586: my %lt = &Apache::lonlocal::texthash( 1587: 'myqu' => 'My question/comment/feedback:', 1588: 'title' => 'Title', 1589: 'reta' => 'Retained attachments', 1590: 'atta' => 'Attachment', 1591: ); 1592: my $restitle = &get_resource_title($caller_symb,$feedurl); 1593: my $quote=''; 1594: my $subject = ''; 1595: my $comment = ''; 1596: my $prevtag = ''; 1597: my $parentmsg = ''; 1598: my ($symb,$idx,$attachmenturls); 1599: my $numoldver = 0; 1600: my $attachmsg = ''; 1601: my $newattachmsg = ''; 1602: my @currnewattach = (); 1603: my @currdelold = (); 1604: my @keepold = (); 1605: my %attachments = (); 1606: my %currattach = (); 1607: my $attachnum = 0; 1608: my $anonchk = (<<END); 1609: function anonchk() { 1610: for (var i=0; i < document.mailform.discuss.length; i++) { 1611: if (document.mailform.discuss[i].checked) { 1612: document.attachment.discuss.value = 1613: document.mailform.discuss[i].value; 1614: } 1615: } 1616: if (document.mailform.blog.checked) { 1617: document.attachment.blog.value = 1; 1618: } 1619: return 1620: } 1621: END 1622: my $anonscript; 1623: if (exists($env{'form.origpage'})) { 1624: $anonscript = (<<END); 1625: function setposttype() { 1626: var disc = "$env{'form.discuss'}"; 1627: for (var i=0; i < document.mailform.discuss.length; i++) { 1628: if (disc == document.mailform.discuss[i].value) { 1629: document.mailform.discuss[i].checked = 1; 1630: } 1631: } 1632: var blog = "$env{'form.blog'}"; 1633: if (blog == 1) { 1634: document.mailform.blog.checked=1; 1635: } 1636: return 1637: } 1638: END 1639: } else { 1640: $anonscript = (<<END); 1641: function setposttype() { 1642: return 1643: } 1644: END 1645: } 1646: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1647: if ($env{'form.replydisc'}) { 1648: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1649: } else { 1650: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1651: } 1652: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1653: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1654: $env{'course.'.$env{'request.course.id'}.'.num'}); 1655: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1656: if ($contrib{$idx.':history'}) { 1657: if ($contrib{$idx.':history'} =~ /:/) { 1658: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1659: $numoldver = @oldversions; 1660: } else { 1661: $numoldver = 1; 1662: } 1663: } 1664: if ($env{'form.replydisc'}) { 1665: if ($contrib{$idx.':history'}) { 1666: if ($contrib{$idx.':history'} =~ /:/) { 1667: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1668: $numoldver = @oldversions; 1669: } else { 1670: $numoldver = 1; 1671: } 1672: } 1673: if ($idx > 0) { 1674: my %msgversions = (); 1675: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1676: $quote = $msgversions{$numoldver}; 1677: } 1678: if ($idx > 0) { 1679: my %subversions = (); 1680: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1681: $subject = &mt('Re: ').$subversions{$numoldver}; 1682: } 1683: $subject = &HTML::Entities::encode($subject,'<>&"'); 1684: } else { 1685: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1686: if ($idx > 0) { 1687: my %msgversions = (); 1688: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1689: $comment = $msgversions{$numoldver}; 1690: my %subversions = (); 1691: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1692: $subject = $subversions{$numoldver}; 1693: } 1694: if (defined($contrib{$idx.':replyto'})) { 1695: $parentmsg = $contrib{$idx.':replyto'}; 1696: } 1697: unless (exists($env{'form.origpage'})) { 1698: my $anonflag = 'nonanon'; 1699: if ($contrib{$idx.':anonymous'}) { 1700: $anonflag = 'anon'; 1701: } 1702: $anonscript = (<<END); 1703: function setposttype () { 1704: var currtype = "$anonflag"; 1705: for (var i=0; i<document.mailform.discuss.length; i++) { 1706: if (document.mailform.elements.discuss[i].value == currtype ) { 1707: document.mailform.elements.discuss[i].checked=1; 1708: } 1709: } 1710: return 1711: } 1712: END 1713: } 1714: } 1715: } 1716: if ($env{'form.previous'}) { 1717: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1718: } 1719: } 1720: 1721: if ($env{'form.origpage'}) { 1722: $subject = &unescape($env{'form.subject'}); 1723: $comment = &unescape($env{'form.comment'}); 1724: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1725: } 1726: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0)); 1727: my $send=&mt('Send'); 1728: my $alert = &mt('Please select a feedback type.'); 1729: my $js= <<END; 1730: <script type="text/javascript"> 1731: // 1765: </script> 1766: END 1767: 1768: my ($textareaheader,$textareaclass); 1769: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1770: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1771: $textareaclass = 'class="LC_richDefaultOff"'; 1772: if ($env{'request.course.id'}) { 1773: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1774: undef($textareaclass); 1775: } 1776: } 1777: } 1778: 1779: # Breadcrumbs 1780: my $brcrum = [{'href' => '', 1781: 'text' => 'Resource Feedback and Discussion'}]; 1782: 1783: my %onload = ('onload' => 'window.focus();setposttype();'); 1784: my %parms=('add_entries' => \%onload); 1785: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1786: my $start_page= 1787: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1788: 1789: if ($quote ne '') { 1790: $quote = &HTML::Entities::decode($quote); 1791: unless (&contains_block_html($quote)) { 1792: &newline_to_br(\$quote); 1793: } 1794: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1795: } 1796: my $header=''; 1797: unless ($env{'form.modal'}) { 1798: $header="<h2><tt>$restitle</tt></h2>"; 1799: } 1800: $r->print(<<END); 1801: $start_page 1802: $header 1803: <form action="/adm/feedback" method="post" name="mailform" 1804: enctype="multipart/form-data"> 1805: $prevtag 1806: <input type="hidden" name="postdata" value="$feedurl" /> 1807: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1808: END 1809: if ($env{'form.replydisc'}) { 1810: $r->print(<<END); 1811: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1812: END 1813: } elsif ($env{'form.editdisc'}) { 1814: $r->print(<<END); 1815: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1816: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1817: END 1818: } 1819: $r->print(<<END); 1820: $options 1821: $quote 1822: <p>$lt{'myqu'} 1823: $textareaheader 1824: </p> 1825: <p> 1826: $latexHelp 1827: </p> 1828: <p> 1829: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1830: <p> 1831: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1832: </textarea></p> 1833: END 1834: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1835: if ($env{'form.origpage'}) { 1836: foreach my $attach (@currnewattach) { 1837: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1838: } 1839: foreach my $oldatt (@currdelold) { 1840: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1841: } 1842: } 1843: if ($env{'form.editdisc'}) { 1844: if ($attachmenturls) { 1845: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1846: $attachnum = scalar(keys(%currattach)); 1847: foreach my $key (keys(%currattach)) { 1848: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1849: } 1850: } 1851: } 1852: } else { 1853: $r->print(<<END); 1854: <p> 1855: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1856: </p> 1857: END 1858: } 1859: if (exists($env{'form.group'})) { 1860: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1861: } 1862: if (exists($env{'form.ref'})) { 1863: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1864: } 1865: $r->print(<<END); 1866: <p> 1867: <input type="hidden" name="sendit" value="1" /> 1868: <input type="button" value="$send" onclick='gosubmit();' /> 1869: </p> 1870: </form> 1871: END 1872: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1873: my $now = time; 1874: my $ressymb = $symb; 1875: &Apache::lonenc::check_encrypt(\$ressymb); 1876: my $postidx = ''; 1877: if ($env{'form.editdisc'}) { 1878: $postidx = $idx; 1879: } 1880: if (@currnewattach > 0) { 1881: $attachnum += @currnewattach; 1882: } 1883: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1884: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1885: if ($attachnum > 0) { 1886: if (@currnewattach > 0) { 1887: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1888: if (@currnewattach > 1) { 1889: $newattachmsg .= '<ol>'; 1890: foreach my $item (@currnewattach) { 1891: $item =~ m#.*/([^/]+)$#; 1892: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1893: } 1894: $newattachmsg .= '</ol>'."\n"; 1895: } else { 1896: $currnewattach[0] =~ m#.*/([^/]+)$#; 1897: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1898: } 1899: } 1900: if ($attachmsg) { 1901: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1902: } 1903: if ($newattachmsg) { 1904: $r->print("$newattachmsg<br />"); 1905: } 1906: } 1907: } 1908: $r->print(&generate_preview_button(). 1909: &Apache::loncommon::end_page()); 1910: 1911: } 1912: 1913: sub print_display_options { 1914: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1915: &Apache::loncommon::content_type($r,'text/html'); 1916: $r->send_http_header; 1917: 1918: my $function = &Apache::loncommon::get_users_function(); 1919: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1920: $env{'user.domain'}); 1921: 1922: my %lt = &Apache::lonlocal::texthash( 1923: 'pref' => 'Display Preference', 1924: 'curr' => 'Current setting ', 1925: 'actn' => 'Action', 1926: 'deff' => 'Default for all discussions', 1927: 'prca' => 'Preferences can be set for this discussion that determine ....', 1928: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1929: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1930: 'wipa' => 'Whether individual posts can be marked as read/unread', 1931: 'allposts' => 'All posts', 1932: 'unread' => 'New posts only', 1933: 'unmark' => 'Posts not marked read', 1934: 'ondisp' => 'Once displayed', 1935: 'onmark' => 'Once marked not NEW', 1936: 'toggon' => 'Shown', 1937: 'toggoff' => 'Not shown', 1938: 'disa' => 'Posts displayed?', 1939: 'npmr' => 'New posts cease to be identified as "NEW"?', 1940: 'dotm' => 'Option to mark each post as read/unread?', 1941: 'chgt' => 'Change to ', 1942: 'mkdf' => 'Set to ', 1943: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1944: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1945: ); 1946: 1947: my $dispchangeA = $lt{'unread'}; 1948: my $dispchangeB = $lt{'unmark'}; 1949: my $markchange = $lt{'ondisp'}; 1950: my $toggchange = $lt{'toggon'}; 1951: my $currdisp = $lt{'allposts'}; 1952: my $currmark = $lt{'onmark'}; 1953: my $discdisp = 'allposts'; 1954: my $discmark = 'onmark'; 1955: my $currtogg = $lt{'toggoff'}; 1956: my $disctogg = 'toggoff'; 1957: 1958: if ($dispchgA eq 'allposts') { 1959: $dispchangeA = $lt{'allposts'}; 1960: $currdisp = $lt{'unread'}; 1961: $discdisp = 'unread'; 1962: } 1963: 1964: if ($markchg eq 'markonread') { 1965: $markchange = $lt{'onmark'}; 1966: $currmark = $lt{'ondisp'}; 1967: $discmark = 'ondisp'; 1968: } 1969: 1970: if ($dispchgB eq 'onlyunread') { 1971: $dispchangeB = $lt{'unread'}; 1972: $currdisp = $lt{'unmark'}; 1973: $discdisp = 'unmark'; 1974: } 1975: if ($toggchg eq 'toggoff') { 1976: $toggchange = $lt{'toggoff'}; 1977: $currtogg = $lt{'toggon'}; 1978: $disctogg = 'toggon'; 1979: } 1980: 1981: my $js = <<END; 1982: <script type="text/javascript"> 1983: function discdispChk(caller) { 1984: var disctogg = '$toggchg' 1985: if (caller == 0) { 1986: if (document.modifydisp.discdisp[0].checked == true) { 1987: if (document.modifydisp.discdisp[1].checked == true) { 1988: document.modifydisp.discdisp[1].checked = false 1989: } 1990: } 1991: } 1992: if (caller == 1) { 1993: if (document.modifydisp.discdisp[1].checked == true) { 1994: if (document.modifydisp.discdisp[0].checked == true) { 1995: document.modifydisp.discdisp[0].checked = false 1996: } 1997: if (disctogg == 'toggon') { 1998: document.modifydisp.disctogg.checked = true 1999: } 2000: if (disctogg == 'toggoff') { 2001: document.modifydisp.disctogg.checked = false 2002: } 2003: } 2004: } 2005: if (caller == 2) { 2006: var dispchgB = '$dispchgB' 2007: if (disctogg == 'toggoff') { 2008: if (document.modifydisp.disctogg.checked == true) { 2009: if (dispchgB == 'onlyunmark') { 2010: document.modifydisp.discdisp[1].checked = false 2011: } 2012: } 2013: } 2014: } 2015: } 2016: 2017: function setDisp() { 2018: var prev = "$previous" 2019: var chktotal = 0 2020: if (document.modifydisp.discdisp[0].checked == true) { 2021: document.modifydisp.$dispchgA.value = "$symb" 2022: chktotal ++ 2023: } 2024: if (document.modifydisp.discdisp[1].checked == true) { 2025: document.modifydisp.$dispchgB.value = "$symb" 2026: chktotal ++ 2027: } 2028: if (document.modifydisp.discmark.checked == true) { 2029: document.modifydisp.$markchg.value = "$symb" 2030: chktotal ++ 2031: } 2032: if (document.modifydisp.disctogg.checked == true) { 2033: document.modifydisp.$toggchg.value = "$symb" 2034: chktotal ++ 2035: } 2036: if (chktotal > 0) { 2037: document.modifydisp.submit() 2038: } else { 2039: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2040: if (prev > 0) { 2041: location.href = "$feedurl?previous=$previous" 2042: } else { 2043: location.href = "$feedurl" 2044: } 2045: } 2046: } 2047: } 2048: </script> 2049: END 2050: 2051: 2052: my $start_page = 2053: &Apache::loncommon::start_page('Discussion display options',$js); 2054: my $end_page = 2055: &Apache::loncommon::end_page(); 2056: $r->print(<<END); 2057: $start_page 2058: <form name="modifydisp" method="post" action="/adm/feedback"> 2059: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2060: <br /> 2061: END 2062: $r->print(&Apache::loncommon::start_data_table()); 2063: $r->print(<<END); 2064: <tr> 2065: <th>$lt{'pref'}</td> 2066: <th>$lt{'curr'}</td> 2067: <th>$lt{'actn'}?</td> 2068: </tr> 2069: END 2070: $r->print(&Apache::loncommon::start_data_table_row()); 2071: $r->print(<<END); 2072: <td>$lt{'disa'}</td> 2073: <td>$lt{$discdisp}</td> 2074: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2075: <br /> 2076: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2077: </td> 2078: END 2079: $r->print(&Apache::loncommon::end_data_table_row()); 2080: $r->print(&Apache::loncommon::start_data_table_row()); 2081: $r->print(<<END); 2082: <td>$lt{'npmr'}</td> 2083: <td>$lt{$discmark}</td> 2084: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2085: END 2086: $r->print(&Apache::loncommon::end_data_table_row()); 2087: $r->print(&Apache::loncommon::start_data_table_row()); 2088: $r->print(<<END); 2089: <td>$lt{'dotm'}</td> 2090: <td>$lt{$disctogg}</td> 2091: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2092: END 2093: my $save = &mt('Save'); 2094: $r->print(&Apache::loncommon::end_data_table_row()); 2095: $r->print(&Apache::loncommon::end_data_table()); 2096: $r->print(<<END); 2097: <br /> 2098: <br /> 2099: <input type="hidden" name="symb" value="$symb" /> 2100: <input type="hidden" name="previous" value="$previous" /> 2101: <input type="hidden" name="$dispchgA" value="" /> 2102: <input type="hidden" name="$dispchgB" value="" /> 2103: <input type="hidden" name="$markchg" value="" /> 2104: <input type="hidden" name="$toggchg" value="" /> 2105: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2106: END 2107: if (exists($env{'form.group'})) { 2108: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2109: } 2110: if (exists($env{'form.ref'})) { 2111: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2112: } 2113: $r->print(" 2114: <br /> 2115: <br /> 2116: </form> 2117: $end_page 2118: "); 2119: return; 2120: } 2121: 2122: sub print_sortfilter_options { 2123: my ($r,$symb,$previous,$feedurl) = @_; 2124: 2125: &Apache::loncommon::content_type($r,'text/html'); 2126: $r->send_http_header; 2127: 2128: &Apache::lonenc::check_encrypt(\$symb); 2129: my @sections; 2130: my $section_sel = ''; 2131: my $numvisible = 5; 2132: my @groups; 2133: my $group_sel = ''; 2134: my $numgroupvis = 5; 2135: my %sectioncount = &Apache::loncommon::get_sections(); 2136: my @courseroles = qw(st ad ep ta in); 2137: my $crstype = &Apache::loncommon::course_type(); 2138: my $ccrole = 'cc'; 2139: if ($crstype eq 'Community') { 2140: $ccrole = 'co'; 2141: } 2142: push(@courseroles,$ccrole); 2143: 2144: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2145: @sections = ('all',$env{'request.course.sec'}); 2146: $numvisible = 2; 2147: } else { 2148: @sections = sort {$a cmp $b} keys(%sectioncount); 2149: if (scalar(@sections) < 4) { 2150: $numvisible = scalar(@sections) + 1; 2151: } 2152: unshift(@sections,'all'); # Put 'all' at the front of the list 2153: 2154: } 2155: foreach my $sec (@sections) { 2156: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2157: } 2158: 2159: if (&check_group_priv() eq 'ok') { 2160: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2161: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2162: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2163: @groups = sort {$a cmp $b} keys(%curr_groups); 2164: if (scalar(@groups) < 4) { 2165: $numgroupvis = scalar(@groups) + 1; 2166: } 2167: unshift(@groups,'all'); # Put 'all' at the front of the list 2168: } else { 2169: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2170: if (@coursegroups > 0) { 2171: @coursegroups = sort {$a cmp $b} @coursegroups; 2172: @groups = ('all',@coursegroups); 2173: if (scalar(@groups) < 4) { 2174: $numgroupvis = scalar(@groups) + 1; 2175: } 2176: } else { 2177: @groups = ('all'); 2178: $numgroupvis = 1; 2179: } 2180: } 2181: foreach my $group (@groups) { 2182: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2183: } 2184: 2185: my $function = &Apache::loncommon::get_users_function(); 2186: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2187: $env{'user.domain'}); 2188: my %lt = &Apache::lonlocal::texthash( 2189: 'diop' => 'Display Options', 2190: 'curr' => 'Current setting ', 2191: 'actn' => 'Action', 2192: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2193: 'soor' => 'Sort order', 2194: 'spur' => 'Specific user roles', 2195: 'sprs' => 'Specific role status', 2196: 'spse' => 'Specific sections', 2197: 'spgr' => 'Specific groups', 2198: 'psub' => 'Pick specific users (by name)', 2199: 'shal' => 'Show a list of current posters', 2200: 'stor' => 'Save changes', 2201: ); 2202: 2203: my %sort_types = (); 2204: my %role_types = (); 2205: my %status_types = (); 2206: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2207: 2208: my $js = <<END; 2209: <script type="text/javascript"> 2210: function verifyFilter() { 2211: var rolenum = 0 2212: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2213: if (document.modifyshown.rolefilter.options[i].selected == true) { 2214: rolenum ++ 2215: } 2216: } 2217: if (rolenum == 0) { 2218: document.modifyshown.rolefilter.options[0].selected = true 2219: } 2220: 2221: var secnum = 0 2222: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2223: if (document.modifyshown.sectionpick.options[i].selected == true) { 2224: secnum ++ 2225: } 2226: } 2227: if (secnum == 0) { 2228: document.modifyshown.sectionpick.options[0].selected = true 2229: } 2230: 2231: var grpnum = 0 2232: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2233: if (document.modifyshown.grouppick.options[i].selected == true) { 2234: grpnum ++ 2235: } 2236: } 2237: if (grpnum == 0) { 2238: document.modifyshown.grouppick.options[0].selected = true 2239: } 2240: 2241: document.modifyshown.submit(); 2242: } 2243: </script> 2244: END 2245: 2246: my $start_page= 2247: &Apache::loncommon::start_page('Discussion options',$js); 2248: my $end_page= 2249: &Apache::loncommon::end_page(); 2250: 2251: $r->print(<<END); 2252: $start_page 2253: <form name="modifyshown" method="post" action="/adm/feedback"> 2254: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2255: <br /> 2256: <table border="0"> 2257: <tr> 2258: <th>$lt{'soor'}</th> 2259: <th> </th> 2260: <th>$lt{'sprs'}</th> 2261: <th> </th> 2262: <th>$lt{'spur'}</th> 2263: <th> </th> 2264: <th>$lt{'spse'}</th> 2265: <th> </th> 2266: <th>$lt{'spgr'}</th> 2267: <th> </th> 2268: <th>$lt{'psub'}</th> 2269: </tr> 2270: <tr> 2271: <td align="center" valign="top"> 2272: <select name="sortposts"> 2273: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2274: <option value="descdate">$sort_types{'descdate'}</option> 2275: <option value="thread">$sort_types{'thread'}</option> 2276: <option value="subject">$sort_types{'subject'}</option> 2277: <option value="username">$sort_types{'username'}</option> 2278: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2279: </select> 2280: </td> 2281: <td> </td> 2282: <td align="center" valign="top"> 2283: <select name="statusfilter"> 2284: <option value="all" selected="selected">$status_types{'all'}</option> 2285: <option value="Active">$status_types{'Active'}</option> 2286: <option value="Expired">$status_types{'Expired'}</option> 2287: <option value="Future">$status_types{'Future'}</option> 2288: </select> 2289: </td> 2290: <td> </td> 2291: <td align="center" valign="top"> 2292: <select name="rolefilter" multiple="multiple" size="5"> 2293: <option value="all">$role_types{'all'}</option> 2294: <option value="st">$role_types{'st'}</option> 2295: <option value="$ccrole">$role_types{$ccrole}</option> 2296: <option value="in">$role_types{'in'}</option> 2297: <option value="ta">$role_types{'ta'}</option> 2298: <option value="ep">$role_types{'ep'}</option> 2299: <option value="ad">$role_types{'ad'}</option> 2300: <option value="cr">$role_types{'cr'}</option> 2301: </select> 2302: </td> 2303: <td> </td> 2304: <td align="center" valign="top"> 2305: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2306: $section_sel 2307: </select> 2308: </td> 2309: <td> </td> 2310: <td align="center" valign="top"> 2311: <select name="grouppick" multiple="multiple" size="$numvisible"> 2312: $group_sel 2313: </select> 2314: </td> 2315: <td> </td> 2316: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2317: </tr> 2318: </table> 2319: <br /> 2320: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" /> 2321: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2322: <input type="hidden" name="previous" value="$previous" /> 2323: <input type="hidden" name="applysort" value="$symb" /> 2324: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2325: END 2326: if (exists($env{'form.group'})) { 2327: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2328: } 2329: if (exists($env{'form.ref'})) { 2330: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2331: } 2332: $r->print(" 2333: <br /> 2334: <br /> 2335: </form> 2336: $end_page 2337: "); 2338: } 2339: 2340: sub print_showposters { 2341: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2342: 2343: &Apache::loncommon::content_type($r,'text/html'); 2344: $r->send_http_header; 2345: 2346: &Apache::lonenc::check_encrypt(\$symb); 2347: my $crs='/'.$env{'request.course.id'}; 2348: if ($env{'request.course.sec'}) { 2349: $crs.='_'.$env{'request.course.sec'}; 2350: } 2351: $crs=~s/\_/\//g; 2352: my $seeid; 2353: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2354: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2355: my $group = $env{'form.group'}; 2356: my $ressymb = &wrap_symb($symb); 2357: if (($group ne '') && 2358: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2359: if (&check_group_priv($group,'dgp') eq 'ok') { 2360: $seeid = 1; 2361: } 2362: } else { 2363: $seeid=&Apache::lonnet::allowed('rin',$crs); 2364: } 2365: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2366: $cdom,$cnum); 2367: my %namesort = (); 2368: my %postcounts = (); 2369: 2370: my %lt = &Apache::lonlocal::texthash( 2371: sele => 'Select', 2372: full => 'Fullname', 2373: usdo => 'Username:domain', 2374: post => 'Posts', 2375: ); 2376: if ($contrib{'version'}) { 2377: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2378: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2379: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2380: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2381: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2382: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2383: my $lastname = $names{'lastname'}; 2384: my $firstname = $names{'firstname'}; 2385: if ($lastname eq '') { 2386: $lastname = '_'; 2387: } 2388: if ($firstname eq '') { 2389: $firstname = '_'; 2390: } 2391: unless (defined($namesort{$lastname})) { 2392: %{$namesort{$lastname}} = (); 2393: } 2394: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2395: $postcounts{$poster} ++; 2396: if (defined($namesort{$lastname}{$firstname})) { 2397: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2398: push(@{$namesort{$lastname}{$firstname}}, $poster); 2399: } 2400: } else { 2401: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2402: } 2403: } 2404: } 2405: } 2406: } 2407: 2408: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2409: my $table_start =&Apache::loncommon::start_data_table(); 2410: $r->print(<<END); 2411: $start_page 2412: <form name="pickpostersform" method="post"> 2413: <br /> 2414: $table_start 2415: <tr> 2416: <th>#</th> 2417: <th>$lt{'sele'}</th> 2418: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2419: <th>$lt{'post'}</th> 2420: </tr> 2421: END 2422: my $count = 0; 2423: foreach my $last (sort(keys(%namesort))) { 2424: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2425: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2426: my ($uname,$udom) = split(/:/,$user); 2427: if (!$uname || !$udom) { 2428: next; 2429: } else { 2430: $count ++; 2431: $r->print(&Apache::loncommon::start_data_table_row(). 2432: '<td align="right">'.$count.'</td> 2433: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2434: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2435: <td>'.$postcounts{$user}.'</td>'. 2436: &Apache::loncommon::end_data_table_row()); 2437: } 2438: } 2439: } 2440: } 2441: $r->print(&Apache::loncommon::end_data_table()); 2442: my $end_page = &Apache::loncommon::end_page(); 2443: $r->print(<<END); 2444: <br /> 2445: <input type="hidden" name="sortposts" value="$sortposts" /> 2446: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2447: <input type="hidden" name="userpick" value="$symb" /> 2448: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2449: </form> 2450: $end_page 2451: END 2452: } 2453: 2454: sub get_post_versions { 2455: my ($versions,$incoming,$htmldecode,$numver) = @_; 2456: if ($incoming =~ /^<version num="0">/) { 2457: my $p = HTML::LCParser->new(\$incoming); 2458: my $done = 0; 2459: 2460: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2461: my $num = $token->[1]{num}; 2462: my $text = $p->get_text("/version"); 2463: if (defined($numver)) { 2464: if ($num == $numver) { 2465: if ($htmldecode) { 2466: $text = &HTML::Entities::decode($text); 2467: } 2468: $$versions{$numver}=$text; 2469: $done = 1; 2470: } 2471: } else { 2472: if ($htmldecode) { 2473: $text = &HTML::Entities::decode($text); 2474: } 2475: $$versions{$num}=$text; 2476: } 2477: } 2478: } else { 2479: if (!defined($numver)) { 2480: $numver = 0; 2481: } 2482: if ($htmldecode) { 2483: $$versions{$numver} = $incoming; 2484: } else { 2485: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2486: } 2487: } 2488: return; 2489: } 2490: 2491: sub get_post_attachments { 2492: my ($attachments,$attachmenturls) = @_; 2493: my $num; 2494: if ($attachmenturls =~ m/^<attachment id="0">/) { 2495: my $p = HTML::LCParser->new(\$attachmenturls); 2496: while (my $token = $p->get_tag("attachment","filename","post")) { 2497: if ($token->[0] eq "attachment") { 2498: $num = $token->[1]{id}; 2499: %{$$attachments{$num}} =(); 2500: } elsif ($token->[0] eq "filename") { 2501: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2502: } elsif ($token->[0] eq "post") { 2503: my $id = $token->[1]{id}; 2504: $$attachments{$num}{$id} = $p->get_text("/post"); 2505: } 2506: } 2507: } else { 2508: %{$$attachments{'0'}} = (); 2509: $$attachments{'0'}{'filename'} = $attachmenturls; 2510: $$attachments{'0'}{'0'} = 'n'; 2511: } 2512: 2513: return; 2514: } 2515: 2516: sub fail_redirect { 2517: my ($r,$feedurl) = @_; 2518: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2519: my %lt = &Apache::lonlocal::texthash( 2520: 'sorr' => 'Sorry, no recipients ...', 2521: ); 2522: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2523: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2524: {'redirect' => [2,$feedurl], 2525: 'only_body' => 1,})); 2526: $r->print(<<ENDFAILREDIR); 2527: <img align="right" src="$logo" /> 2528: <b>$lt{'sorr'}</b> 2529: ENDFAILREDIR 2530: $r->print(&Apache::loncommon::end_page()); 2531: } 2532: 2533: sub redirect_back { 2534: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2535: my $sorttag = ''; 2536: my $roletag = ''; 2537: my $statustag = ''; 2538: my $sectag = ''; 2539: my $grptag = ''; 2540: my $userpicktag = ''; 2541: my $qrystr = ''; 2542: my $prevtag = ''; 2543: 2544: &Apache::loncommon::content_type($r,'text/html'); 2545: $r->send_http_header; 2546: &dewrapper(\$feedurl); 2547: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2548: if ($previous > 0) { 2549: $qrystr = 'previous='.$previous; 2550: if ($feedurl =~ /\?register=1/) { 2551: $feedurl .= '&'.$qrystr; 2552: } else { 2553: $feedurl .= '?'.$qrystr; 2554: } 2555: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2556: } 2557: if (defined($sort)) { 2558: my $sortqry = 'sortposts='.$sort; 2559: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2560: $feedurl .= '&'.$sortqry; 2561: } else { 2562: $feedurl .= '?'.$sortqry; 2563: } 2564: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2565: if (defined($numpicks)) { 2566: my $userpickqry = 'totposters='.$numpicks; 2567: $feedurl .= '&'.$userpickqry; 2568: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2569: } else { 2570: if (ref($sectionpick) eq 'ARRAY') { 2571: $feedurl .= '&sectionpick='; 2572: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2573: foreach my $sec (@{$sectionpick}) { 2574: $feedurl .= $sec.','; 2575: $sectag .= $sec.','; 2576: } 2577: $feedurl =~ s/,$//; 2578: $sectag =~ s/,$//; 2579: $sectag .= '" />'; 2580: } else { 2581: $feedurl .= '&sectionpick='.$sectionpick; 2582: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2583: } 2584: if (ref($grouppick) eq 'ARRAY') { 2585: $feedurl .= '&grouppick='; 2586: $sectag .= '<input type="hidden" name="grouppick" value="'; 2587: foreach my $grp (@{$grouppick}) { 2588: $feedurl .= $grp.','; 2589: $grptag .= $grp.','; 2590: } 2591: $feedurl =~ s/,$//; 2592: $grptag =~ s/,$//; 2593: $grptag .= '" />'; 2594: } else { 2595: $feedurl .= '&grouppick='.$grouppick; 2596: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2597: } 2598: if (ref($rolefilter) eq 'ARRAY') { 2599: $feedurl .= '&rolefilter='; 2600: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2601: foreach my $role (@{$rolefilter}) { 2602: $feedurl .= $role.','; 2603: $roletag .= $role.','; 2604: } 2605: $feedurl =~ s/,$//; 2606: $roletag =~ s/,$//; 2607: $roletag .= '" />'; 2608: } else { 2609: $feedurl .= '&rolefilter='.$rolefilter; 2610: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2611: } 2612: $feedurl .= '&statusfilter='.$statusfilter; 2613: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2614: } 2615: } 2616: my $grouptag; 2617: if ($group ne '') { 2618: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2619: my $refarg; 2620: if (exists($env{'form.ref'})) { 2621: $refarg = '&ref='.$env{'form.ref'}; 2622: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2623: } 2624: if ($feedurl =~ /\?/) { 2625: $feedurl .= '&group='.$group.$refarg; 2626: } else { 2627: $feedurl .= '?group='.$group.$refarg; 2628: } 2629: } 2630: &Apache::lonenc::check_encrypt(\$feedurl); 2631: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2632: my %parms=('only_body' => 1); 2633: if ($env{'form.modal'}) { 2634: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2635: } else { 2636: $parms{'redirect'}=[0,$feedurl]; 2637: } 2638: my $start_page= 2639: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2640: my $end_page = &Apache::loncommon::end_page(); 2641: $r->print(<<ENDREDIR); 2642: $start_page 2643: <img align="right" src="$logo" /> 2644: $typestyle 2645: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2646: $blog 2647: $toolarge 2648: <font color="red">$status</font> 2649: <form name="reldt" action="$feedurl" target="loncapaclient"> 2650: $prevtag 2651: $sorttag 2652: $statustag 2653: $roletag 2654: $sectag 2655: $grptag 2656: $userpicktag 2657: $grouptag 2658: </form> 2659: $end_page 2660: ENDREDIR 2661: } 2662: 2663: sub no_redirect_back { 2664: my ($r,$feedurl) = @_; 2665: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2666: 2667: my %onload; 2668: 2669: my %body_options = ('only_body' => 1, 2670: 'bgcolor' => '#FFFFFF', 2671: 'add_entries' => \%onload,); 2672: 2673: if ($feedurl !~ m{^/adm/feedback}) { 2674: $body_options{'rediect'} = [2,$feedurl]; 2675: } 2676: my $start_page= 2677: &Apache::loncommon::start_page('Feedback not sent',undef, 2678: \%body_options); 2679: 2680: my $end_page = &Apache::loncommon::end_page(); 2681: 2682: &Apache::lonenc::check_encrypt(\$feedurl); 2683: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2684: $r->print (<<ENDNOREDIRTWO); 2685: $start_page 2686: <img align="right" src="$logo" /> 2687: <b>$nofeed</b> 2688: <br /> 2689: $end_page 2690: ENDNOREDIRTWO 2691: } 2692: 2693: sub screen_header { 2694: my ($feedurl,$symb,$group) = @_; 2695: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2696: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2697: my $contribdisc = &mt('Contribution to course discussion of resource'); 2698: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2699: my $namevis = &mt('name only visible to course faculty'); 2700: my $crstype; 2701: if ($env{'request.course.id'}) { 2702: $crstype = &Apache::loncommon::course_type(); 2703: if ($crstype eq 'Community') { 2704: $crscontent = &mt('Question/Comment/Feedback about community content'); 2705: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2706: $contribdisc = &mt('Contribution to community discussion of resource'); 2707: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2708: $namevis = &mt('name only visible to community facilitators'); 2709: } 2710: } 2711: my $msgoptions=''; 2712: my $discussoptions=''; 2713: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2714: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2715: $msgoptions= 2716: '<p><label><input type="radio" name="discuss" value="author" /> '. 2717: &mt('Feedback to resource author').'</label></p>'; 2718: } 2719: my %optionhash=(); 2720: foreach my $type ('question','comment','policy') { 2721: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2722: } 2723: if (&feedback_available(1)) { 2724: $msgoptions.= 2725: '<p><label><input type="radio" name="discuss" value="question" /> '. 2726: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2727: } 2728: if (&feedback_available(0,1)) { 2729: $msgoptions.= 2730: '<p><label><input type="radio" name="discuss" value="course" /> '. 2731: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2732: '</label></p>'; 2733: } 2734: if (&feedback_available(0,0,1)) { 2735: $msgoptions.= 2736: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2737: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2738: '</label></p>'; 2739: } 2740: } 2741: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2742: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2743: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2744: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2745: my $realsymb = $symb; 2746: if ($symb=~/^bulletin___/) { 2747: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2748: $filename=~s|^adm/wrapper/||; 2749: $realsymb=&Apache::lonnet::symbread($filename); 2750: } 2751: if (!$blocked && &discussion_open(undef,$realsymb) && 2752: (&Apache::lonnet::allowed('pch', 2753: $env{'request.course.id'}. 2754: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2755: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2756: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2757: $contribdisc. 2758: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2759: $anoncontrib. 2760: ' <i>('.$namevis.')</i></label> '. 2761: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2762: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2763: if (!$blockblog) { 2764: $discussoptions.= &add_blog_checkbox($crstype); 2765: } 2766: } 2767: } 2768: if ($msgoptions) { 2769: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2770: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'. 2771: '<td>'.$msgoptions.'</td></tr>'; 2772: } 2773: if ($discussoptions) { 2774: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2775: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'. 2776: '<td>'.$discussoptions.'</td></tr>'; 2777: } 2778: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table(); 2779: } 2780: 2781: sub resource_output { 2782: my ($feedurl) = @_; 2783: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2784: $usersaw=~s/\<body[^\>]*\>//gi; 2785: $usersaw=~s/\<\/body\>//gi; 2786: $usersaw=~s/\<html\>//gi; 2787: $usersaw=~s/\<\/html\>//gi; 2788: $usersaw=~s/\<head\>//gi; 2789: $usersaw=~s/\<\/head\>//gi; 2790: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2791: return $usersaw; 2792: } 2793: 2794: sub clear_out_html { 2795: my ($message,$override)=@_; 2796: # Always allow the <m>-tag 2797: my %html=(M=>1); 2798: # Check if more is allowed 2799: my $cid=$env{'request.course.id'}; 2800: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2801: ($override)) { 2802: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2803: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2804: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2805: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2806: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2807: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2808: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2809: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2810: } 2811: # Do the substitution of everything that is not explicitly allowed 2812: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2813: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2814: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2815: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2816: return $message; 2817: } 2818: 2819: sub assemble_email { 2820: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2821: my %lt = &Apache::lonlocal::texthash( 2822: 'prev' => 'Previous attempts of student (if applicable)', 2823: 'orig' => 'Original screen output (if applicable)', 2824: 'corr' => 'Correct Answer(s) (if applicable)', 2825: ); 2826: if (&Apache::loncommon::course_type() eq 'Community') { 2827: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2828: } 2829: my $email=<<"ENDEMAIL"; 2830: $message 2831: ENDEMAIL 2832: my $citations=<<"ENDCITE"; 2833: <h2>$lt{'prev'}</h2> 2834: $prevattempts 2835: <br /><hr /> 2836: <h2>$lt{'orig'}</h2> 2837: $usersaw 2838: <h2>$lt{'corr'}</h2> 2839: $useranswer 2840: ENDCITE 2841: return ($email,$citations); 2842: } 2843: 2844: 2845: sub feedback_available { 2846: my ($question,$course,$policy)=@_; 2847: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2848: $course,$policy); 2849: return scalar(%to); 2850: } 2851: 2852: sub send_msg { 2853: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2854: my $status=''; 2855: my $sendsomething=0; 2856: my $restitle = &get_resource_title($symb,$feedurl); 2857: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2858: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2859: foreach my $key (keys(%to)) { 2860: if ($key) { 2861: my ($user,$domain) = split(/\:/,$key,2); 2862: if (!defined($user)) { 2863: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2864: } elsif (!defined($domain)) { 2865: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2866: } else { 2867: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2868: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2869: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2870: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2871: } else { 2872: $sendsomething++; 2873: } 2874: } 2875: } 2876: } 2877: 2878: # Records of number of feedback messages are kept under the "symb" called "_feedback" 2879: # There are two entries within the framework of a course: 2880: # - the URLs for which feedback was provided 2881: # - the total number of contributions 2882: if ($sendsomething) { 2883: my %record=&getfeedbackrecords(); 2884: my ($temp)=keys(%record); 2885: unless ($temp=~/^error\:/) { 2886: my %newrecord=(); 2887: $newrecord{'resource'}=$feedurl; 2888: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2889: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2890: $status.='<br />'.&mt('Not registered').'<br />'; 2891: } 2892: } 2893: } 2894: return ($status,$sendsomething); 2895: } 2896: 2897: # Routine to get the complete feedback records 2898: 2899: sub getfeedbackrecords { 2900: my ($uname,$udom,$course)=@_; 2901: unless ($uname) { $uname=$env{'user.name'}; } 2902: unless ($udom) { $udom=$env{'user.domain'}; } 2903: unless ($course) { $course=$env{'request.course.id'}; } 2904: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname); 2905: return %record; 2906: } 2907: 2908: # Routine to get feedback statistics 2909: 2910: sub getfeedbackstats { 2911: my %record=&getfeedbackrecords(@_); 2912: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 2913: } 2914: 2915: # Store feedback credit 2916: 2917: sub storefeedbackpoints { 2918: my ($points,$uname,$udom,$course)=@_; 2919: unless ($points) { $points=0; } 2920: unless ($uname) { $uname=$env{'user.name'}; } 2921: unless ($udom) { $udom=$env{'user.domain'}; } 2922: unless ($course) { $course=$env{'request.course.id'}; } 2923: my %record=('grader_user' => $env{'user.name'}, 2924: 'grader_domain' => $env{'user.domain'}, 2925: 'points' => $points); 2926: return &Apache::lonnet::cstore(\%record,'_feedback'); 2927: } 2928: 2929: # Store feedback "likes" 2930: 2931: sub storefeedbacklikes { 2932: my ($likes,$uname,$udom,$course)=@_; 2933: unless ($likes) { $likes=0; } 2934: if ($likes>0) { $likes=1; } 2935: if ($likes<0) { $likes=-1; } 2936: unless ($uname) { $uname=$env{'user.name'}; } 2937: unless ($udom) { $udom=$env{'user.domain'}; } 2938: unless ($course) { $course=$env{'request.course.id'}; } 2939: my %record=&getfeedbackrecords($uname,$udom,$course); 2940: my $totallikes=$record{'totallikes'}; 2941: $totallikes+=$likes; 2942: my %newrecord=('likes_user' => $env{'user.name'}, 2943: 'likes_domain' => $env{'user.domain'}, 2944: 'likes' => $likes, 2945: 'totallikes' => $totallikes); 2946: return &Apache::lonnet::cstore(\%newrecord,'_feedback'); 2947: } 2948: 2949: 2950: sub adddiscuss { 2951: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2952: my $status=''; 2953: my $realsymb; 2954: if ($symb=~/^bulletin___/) { 2955: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2956: $filename=~s|^adm/wrapper/||; 2957: $realsymb=&Apache::lonnet::symbread($filename); 2958: } 2959: my ($cnum,$cdom); 2960: if ($env{'request.course.id'}) { 2961: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2962: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2963: } 2964: if (&discussion_open(undef,$realsymb) && 2965: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2966: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2967: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2968: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2969: 2970: my %contrib=('message' => $email, 2971: 'sendername' => $env{'user.name'}, 2972: 'senderdomain' => $env{'user.domain'}, 2973: 'screenname' => $env{'environment.screenname'}, 2974: 'plainname' => $env{'environment.firstname'}.' '. 2975: $env{'environment.middlename'}.' '. 2976: $env{'environment.lastname'}.' '. 2977: $env{'enrironment.generation'}, 2978: 'attachmenturl'=> $attachmenturl, 2979: 'subject' => $subject); 2980: if ($env{'form.replydisc'}) { 2981: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2982: } 2983: if ($anon) { 2984: $contrib{'anonymous'}='true'; 2985: } 2986: if (($symb) && ($email)) { 2987: my $now = time; 2988: if ($env{'form.editdisc'}) { 2989: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2990: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2991: $contrib{'timestamp'} = $now; 2992: $contrib{'history'} = ''; 2993: my $numoldver = 0; 2994: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2995: &Apache::lonenc::check_decrypt(\$oldsymb); 2996: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2997: # get timestamp for last post and history 2998: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2999: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3000: $env{'course.'.$env{'request.course.id'}.'.num'}); 3001: if (defined($oldcontrib{$oldidx.':replyto'})) { 3002: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 3003: } 3004: if (defined($oldcontrib{$oldidx.':history'})) { 3005: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 3006: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 3007: $numoldver = @oldversions; 3008: } else { 3009: $numoldver = 1; 3010: } 3011: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 3012: } 3013: my $numnewver = $numoldver + 1; 3014: if (defined($oldcontrib{$oldidx.':subject'})) { 3015: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 3016: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3017: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 3018: } else { 3019: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3020: } 3021: } 3022: if (defined($oldcontrib{$oldidx.':message'})) { 3023: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 3024: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3025: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 3026: } else { 3027: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3028: } 3029: } 3030: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 3031: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 3032: $oldsymb,$oldidx,\%contrib, 3033: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3034: $env{'course.'.$env{'request.course.id'}.'.num'}); 3035: $status='Editing class discussion'.($anon?' (anonymous)':''); 3036: } else { 3037: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 3038: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 3039: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3040: $env{'course.'.$env{'request.course.id'}.'.num'}); 3041: } 3042: my %storenewentry=($symb => $now); 3043: $status.='<br />'.&mt('Updating discussion time').': '. 3044: &Apache::lonnet::put('discussiontimes',\%storenewentry, 3045: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3046: $env{'course.'.$env{'request.course.id'}.'.num'}); 3047: } 3048: my %record=&getdiscussionrecords(); 3049: my ($temp)=keys(%record); 3050: unless ($temp=~/^error\:/) { 3051: my %newrecord=(); 3052: $newrecord{'resource'}=$symb; 3053: $newrecord{'subnumber'}=$record{'subnumber'}+1; 3054: $status.='<br />'.&mt('Registering').': '. 3055: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3056: } 3057: } else { 3058: $status.='Failed.'; 3059: } 3060: return $status.'<br />'; 3061: } 3062: 3063: 3064: # Routine to get the complete discussion records 3065: 3066: sub getdiscussionrecords { 3067: my ($uname,$udom,$course)=@_; 3068: unless ($uname) { $uname=$env{'user.name'}; } 3069: unless ($udom) { $udom=$env{'user.domain'}; } 3070: unless ($course) { $course=$env{'request.course.id'}; } 3071: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname); 3072: return %record; 3073: } 3074: 3075: # Routine to get discussion statistics 3076: 3077: sub getdiscussionstats { 3078: my %record=&getdiscussionrecords(@_); 3079: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 3080: } 3081: 3082: 3083: # Store discussion credit 3084: 3085: sub storediscussionpoints { 3086: my ($points,$uname,$udom,$course)=@_; 3087: unless ($points) { $points=0; } 3088: unless ($uname) { $uname=$env{'user.name'}; } 3089: unless ($udom) { $udom=$env{'user.domain'}; } 3090: unless ($course) { $course=$env{'request.course.id'}; } 3091: my %record=('grader_user' => $env{'user.name'}, 3092: 'grader_domain' => $env{'user.domain'}, 3093: 'points' => $points); 3094: return &Apache::lonnet::cstore(\%record,'_discussion'); 3095: } 3096: 3097: # Store discussion "likes" 3098: 3099: sub storediscussionlikes { 3100: my ($likes,$uname,$udom,$course)=@_; 3101: unless ($likes) { $likes=0; } 3102: if ($likes>0) { $likes=1; } 3103: if ($likes<0) { $likes=-1; } 3104: unless ($uname) { $uname=$env{'user.name'}; } 3105: unless ($udom) { $udom=$env{'user.domain'}; } 3106: unless ($course) { $course=$env{'request.course.id'}; } 3107: my %record=&getdiscussionrecords($uname,$udom,$course); 3108: my $totallikes=$record{'totallikes'}; 3109: $totallikes+=$likes; 3110: my %newrecord=('likes_user' => $env{'user.name'}, 3111: 'likes_domain' => $env{'user.domain'}, 3112: 'likes' => $likes, 3113: 'totallikes' => $totallikes); 3114: return &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3115: } 3116: 3117: sub get_discussion_info { 3118: my ($idx,%contrib) = @_; 3119: my $changelast = 0; 3120: my $count = 0; 3121: my $hiddenflag = 0; 3122: my $deletedflag = 0; 3123: my ($hidden,$deleted,%info,$newlastdisc); 3124: my $version = $contrib{'version'}; 3125: if ($version) { 3126: for (my $id=$version; $id>0; $id--) { 3127: my $vkeys=$contrib{$id.':keys'}; 3128: my @keys=split(/:/,$vkeys); 3129: if (grep(/^hidden$/,@keys)) { 3130: if (!$hiddenflag) { 3131: $hidden = $contrib{$id.':hidden'}; 3132: $hiddenflag = 1; 3133: } 3134: } elsif (grep(/^deleted$/,@keys)) { 3135: if (!$deletedflag) { 3136: $deleted = $contrib{$id.':deleted'}; 3137: $deletedflag = 1; 3138: } 3139: } else { 3140: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 3141: $count++; 3142: $info{$count}{'id'} = $id; 3143: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 3144: } 3145: } 3146: } 3147: if ($info{'1'}{'id'} == $idx) { 3148: $changelast = 1; 3149: if ($count > 1) { 3150: $newlastdisc = $info{'2'}{'timestamp'}; 3151: } else { 3152: $newlastdisc = 0; 3153: } 3154: } 3155: } 3156: return ($changelast,$newlastdisc); 3157: } 3158: 3159: # ----------------------------------------------------------- Preview function 3160: 3161: sub show_preview { 3162: my ($r) = @_; 3163: &Apache::loncommon::content_type($r,'text/html'); 3164: $r->send_http_header; 3165: my $start_page= 3166: &Apache::loncommon::start_page('Preview',undef, 3167: {'only_body' => 1,}); 3168: 3169: my $message=&clear_out_html($env{'form.comment'}); 3170: &newline_to_br(\$message); 3171: $message=&Apache::lonspeller::markeduptext($message); 3172: $message=&Apache::lontexconvert::msgtexconverted($message); 3173: my $subject=&clear_out_html($env{'form.subject'}); 3174: $subject=~s/\n/\<br \/\>/g; 3175: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3176: 3177: my $end_page = &Apache::loncommon::end_page(); 3178: 3179: $r->print($start_page 3180: .'<h1>'.&mt('Preview').'</h1>' 3181: .&Apache::lonhtmlcommon::start_pick_box() 3182: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3183: .$subject 3184: .&Apache::lonhtmlcommon::row_closure() 3185: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3186: .$message 3187: .&Apache::lonhtmlcommon::row_closure(1) 3188: .&Apache::lonhtmlcommon::end_pick_box() 3189: .$end_page 3190: ); 3191: } 3192: 3193: sub contains_block_html { 3194: my ($message)=@_; 3195: return ($message =~ m{ 3196: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3197: \s* 3198: (\w+\=['"]\w+['"])* 3199: \s* 3200: ( 3201: \s*/>| 3202: >.*</\1\s*> 3203: )}xs 3204: ); 3205: } 3206: 3207: sub tidy_html { 3208: my ($message)=@_; 3209: # my $tidy = HTML::Tidy::libXML->new(); 3210: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3211: # $xhtml =~ m/<body>(.*)<\/body>/is; 3212: # my $clean = $1; 3213: # # remove any empty block-level tags 3214: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3215: # $message=$clean; 3216: return $message; 3217: } 3218: 3219: sub newline_to_br { 3220: my ($message)=@_; 3221: my $newmessage; 3222: my $parser=HTML::LCParser->new($message); 3223: while (my $token=$parser->get_token()) { 3224: if ($token->[0] eq 'T') { 3225: my $text=$token->[1]; 3226: $text=~s/\n/\<br \/\>/g; 3227: $newmessage.=$text; 3228: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3229: $newmessage.=$token->[1]; 3230: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3231: $newmessage.=$token->[2]; 3232: } elsif ($token->[0] eq 'S') { 3233: $newmessage.=$token->[4]; 3234: } 3235: 3236: } 3237: $$message=$newmessage; 3238: } 3239: 3240: sub generate_preview_button { 3241: my ($formname,$fieldname)=@_; 3242: unless ($formname) { $formname='mailform'; } 3243: unless ($fieldname) { $fieldname='comment'; } 3244: my $pre=&mt("Show Preview and Check Spelling"); 3245: return(<<ENDPREVIEW); 3246: <br /> 3247: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3248: <input type="hidden" name="subject" /> 3249: <input type="hidden" name="comment" /> 3250: <input type="button" value="$pre" 3251: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3252: </form> 3253: ENDPREVIEW 3254: } 3255: 3256: sub modify_attachments { 3257: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3258: $attachmaxtext,$toolarge)=@_; 3259: 3260: my %lt = &Apache::lonlocal::texthash( 3261: 'subj' => 'Subject', 3262: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3263: 'chth' => 'Check the checkboxes for any you wish to remove.', 3264: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3265: 'adda' => 'Add a new attachment to this post.', 3266: 'stch' => 'Save Changes', 3267: ); 3268: my $js = <<END; 3269: <script type="text/javascript"> 3270: function setAction () { 3271: document.modattachments.action = document.modattachments.origpage.value; 3272: document.modattachments.submit(); 3273: } 3274: </script> 3275: END 3276: 3277: # Breadcrumbs 3278: my $brcrum = [{'href' => '', 3279: 'text' => 'Discussion Post Attachments'}]; 3280: my %parms=(); 3281: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3282: 3283: my $start_page = 3284: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3285: 3286: my $orig_subject = &unescape($env{'form.subject'}); 3287: my $subject=&clear_out_html($orig_subject); 3288: $subject=~s/\n/\<br \/\>/g; 3289: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3290: my $timestamp=$env{'form.timestamp'}; 3291: my $numoldver=$env{'form.numoldver'}; 3292: 3293: my $msg = ''; 3294: my %attachments = (); 3295: my %currattach = (); 3296: if ($idx) { 3297: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3298: } 3299: &Apache::lonenc::check_encrypt(\$symb); 3300: 3301: my $end_page = 3302: &Apache::loncommon::end_page(); 3303: 3304: $r->print(<<END); 3305: $start_page 3306: $toolarge 3307: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3308: <br /> 3309: <table class="LC_data_table"> 3310: <tr> 3311: <td colspan="2"> 3312: <b>Subject:</b> <b>$subject</b><br /><br /> 3313: END 3314: if ($idx) { 3315: if ($attachmenturls) { 3316: my @currold = keys(%currattach); 3317: if (@currold > 0) { 3318: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3319: foreach my $id (@currold) { 3320: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3321: $attachurl =~ m#/([^/]+)$#; 3322: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3323: } 3324: $r->print("<br />"); 3325: } 3326: } 3327: } 3328: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3329: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3330: foreach my $attach (@{$currnewattach}) { 3331: $attach =~ m#/([^/]+)$#; 3332: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3333: } 3334: $r->print("<br />"); 3335: } 3336: $r->print(<<END); 3337: </td></tr> 3338: <tr> 3339: <td> 3340: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3341: </td> 3342: </tr> 3343: <tr> 3344: <td colspan="2">$attachmaxtext</td> 3345: </tr> 3346: </table> 3347: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3348: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3349: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3350: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3351: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3352: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3353: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3354: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3355: END 3356: foreach my $item (@{$currnewattach}) { 3357: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3358: } 3359: foreach my $item (@{$currdelold}) { 3360: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3361: } 3362: $r->print(<<END); 3363: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3364: </form> 3365: $end_page 3366: END 3367: return; 3368: } 3369: 3370: sub process_attachments { 3371: my ($currnewattach,$currdelold,$keepold) = @_; 3372: 3373: @{$currnewattach}= 3374: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3375: @{$currdelold}= 3376: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3377: if (exists($env{'form.delnewattach'})) { 3378: my @currdelnew = 3379: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3380: my @currnew = (); 3381: foreach my $newone (@{$currnewattach}) { 3382: my $delflag = 0; 3383: foreach my $item (@currdelnew) { 3384: if ($newone eq $item) { 3385: $delflag = 1; 3386: last; 3387: } 3388: } 3389: unless ($delflag) { 3390: push(@currnew, $newone); 3391: } 3392: } 3393: @{$currnewattach} = @currnew; 3394: } 3395: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3396: } 3397: 3398: sub generate_attachments_button { 3399: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3400: $numoldver,$mode,$blockblog) = @_; 3401: my $origpage = $ENV{'REQUEST_URI'}; 3402: my $att=$attachnum.' '.&mt("attachments"); 3403: my %lt = &Apache::lonlocal::texthash( 3404: 'clic' => 'Click to add/remove attachments', 3405: ); 3406: my $response = (<<END); 3407: <br /> 3408: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3409: $lt{'clic'}: <input type="button" value="$att" 3410: onclick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=escape(document.mailform.comment.value);this.form.subject.value=escape(document.mailform.subject.value); 3411: END 3412: if (!$blockblog) { 3413: $response .= 'setblogvalue();'; 3414: } 3415: unless ($mode eq 'board') { 3416: $response .= 'javascript:anonchk();'; 3417: } 3418: $response .= (<<ENDATTACH); 3419: this.form.submit();" /> 3420: <input type="hidden" name="origpage" value="$origpage" /> 3421: <input type="hidden" name="idx" value="$idx" /> 3422: <input type="hidden" name="timestamp" value="$now" /> 3423: <input type="hidden" name="subject" /> 3424: <input type="hidden" name="comment" /> 3425: <input type="hidden" name="blog" value="0" /> 3426: <input type="hidden" name="discuss" value="0" /> 3427: <input type="hidden" name="numoldver" value="$numoldver" /> 3428: ENDATTACH 3429: if (defined($deloldattach)) { 3430: if (@{$deloldattach} > 0) { 3431: foreach my $delatt (@{$deloldattach}) { 3432: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3433: } 3434: } 3435: } 3436: if (defined($currnewattach)) { 3437: if (@{$currnewattach} > 0) { 3438: foreach my $attach (@{$currnewattach}) { 3439: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3440: } 3441: } 3442: } 3443: $response .= '</form>'; 3444: return $response; 3445: } 3446: 3447: sub extract_attachments { 3448: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3449: %{$attachments}=(); 3450: &get_post_attachments($attachments,$attachmenturls); 3451: foreach my $id (sort(keys(%{$attachments}))) { 3452: if (exists($$attachments{$id}{$numoldver})) { 3453: if (defined($currdelold)) { 3454: if (@{$currdelold} > 0) { 3455: unless (grep/^$id$/,@{$currdelold}) { 3456: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3457: } 3458: } else { 3459: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3460: } 3461: } else { 3462: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3463: } 3464: } 3465: } 3466: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3467: if (@attached == 1) { 3468: my $id = $attached[0]; 3469: my $attachurl; 3470: if ($attachmenturls =~ m/^<attachment id="0">/) { 3471: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3472: } else { 3473: $attachurl = $$attachments{$id}{'filename'}; 3474: } 3475: $attachurl=~m|/([^/]+)$|; 3476: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3477: $1.'</tt></a><br />'; 3478: &Apache::lonnet::allowuploaded('/adm/feedback', 3479: $attachurl); 3480: } elsif (@attached > 1) { 3481: $$message.='<ol>'; 3482: foreach my $attach (@attached) { 3483: my $id = $attach; 3484: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3485: my ($fname) 3486: =($attachurl=~m|/([^/]+)$|); 3487: $$message .= '<li><a href="'.$attachurl. 3488: '"><tt>'. 3489: $fname.'</tt></a></li>'; 3490: &Apache::lonnet::allowuploaded('/adm/feedback', 3491: $attachurl); 3492: } 3493: $$message .= '</ol>'; 3494: } 3495: } 3496: 3497: sub construct_attachmenturl { 3498: my ($currnewattach,$keepold,$symb,$idx)=@_; 3499: my $oldattachmenturl; 3500: my $newattachmenturl; 3501: my $startnum = 0; 3502: my $currver = 0; 3503: if (($env{'form.editdisc'}) && ($idx)) { 3504: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3505: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3506: $env{'course.'.$env{'request.course.id'}.'.num'}); 3507: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3508: if ($contrib{$idx.':history'}) { 3509: if ($contrib{$idx.':history'} =~ /:/) { 3510: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3511: $currver = 1 + scalar(@oldversions); 3512: } else { 3513: $currver = 2; 3514: } 3515: } else { 3516: $currver = 1; 3517: } 3518: if ($oldattachmenturl) { 3519: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3520: my %attachments = (); 3521: my $prevver = $currver-1; 3522: &get_post_attachments(\%attachments,$oldattachmenturl); 3523: my $numattach = scalar(keys(%attachments)); 3524: $startnum += $numattach; 3525: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3526: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3527: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3528: unless ($item eq 'filename') { 3529: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3530: } 3531: } 3532: if (grep/^$num$/,@{$keepold}) { 3533: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3534: } 3535: $newattachmenturl .= '</attachment>'; 3536: } 3537: } else { 3538: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3539: unless (grep/^0$/,@{$keepold}) { 3540: $newattachmenturl .= '<post id="1">n</post>'; 3541: } 3542: $newattachmenturl .= '</attachment>'; 3543: $startnum ++; 3544: } 3545: } 3546: } 3547: for (my $i=0; $i<@{$currnewattach}; $i++) { 3548: my $attachnum = $startnum + $i; 3549: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3550: } 3551: return $newattachmenturl; 3552: } 3553: 3554: sub add_blog_checkbox { 3555: my ($crstype) = @_; 3556: my $checkstatus; 3557: if ($env{'form.blog'}) { 3558: $checkstatus = 'checked="checked"'; 3559: } 3560: my $output = ' 3561: <script type="text/javascript"> 3562: function setblogvalue() { 3563: if (document.mailform.blog.checked) { 3564: document.attachment.blog.value = 1; 3565: } else { 3566: document.attachment.blog.value = 0; 3567: } 3568: } 3569: </script><br /> 3570: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3571: if ($crstype eq 'Community') { 3572: $output .= &mt('Add to my public community blog'); 3573: } else { 3574: $output .= &mt('Add to my public course blog'); 3575: } 3576: $output .= '</label><br />'."\n"; 3577: return $output; 3578: } 3579: 3580: sub has_discussion { 3581: my $resourcesref = shift; 3582: my $navmap = Apache::lonnavmaps::navmap->new(); 3583: if (defined($navmap)) { 3584: my @allres=$navmap->retrieveResources(); 3585: foreach my $resource (@allres) { 3586: if ($resource->hasDiscussion()) { 3587: my $ressymb = $resource->wrap_symb(); 3588: if (ref($resourcesref) eq 'ARRAY') { 3589: push(@{$resourcesref}, $ressymb); 3590: } 3591: } 3592: } 3593: } else { 3594: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3595: } 3596: return; 3597: } 3598: 3599: sub sort_filter_names { 3600: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3601: if (ref($sort_types) eq 'HASH') { 3602: %{$sort_types} = ( 3603: ascdate => 'Date order - oldest first', 3604: descdate => 'Date order - newest first', 3605: thread => 'Threaded', 3606: subject => 'By subject', 3607: username => 'By domain and username', 3608: lastfirst => 'By last name, first name' 3609: ); 3610: } 3611: my @courseroles = qw(st in ta ep ad); 3612: if ($crstype eq 'Community') { 3613: push(@courseroles,'co'); 3614: } else { 3615: push(@courseroles,'cc'); 3616: } 3617: if (ref($role_types) eq 'HASH') { 3618: foreach my $role (@courseroles) { 3619: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3620: } 3621: $role_types->{'all'} = 'All roles'; 3622: $role_types->{'cr'} = 'Custom role'; 3623: } 3624: if (ref($status_types) eq 'HASH') { 3625: %{$status_types} = ( 3626: all => 'Roles of any status', 3627: Active => 'Only active roles', 3628: Expired => 'Only past roles', 3629: Future => 'Only future roles', 3630: ); 3631: } 3632: } 3633: 3634: sub handler { 3635: my $r = shift; 3636: if ($r->header_only) { 3637: &Apache::loncommon::content_type($r,'text/html'); 3638: $r->send_http_header; 3639: return OK; 3640: } 3641: 3642: # --------------------------- Get query string for limited number of parameters 3643: 3644: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3645: ['like','unlike','modal','hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); 3646: my $group = $env{'form.group'}; 3647: my %attachmax = ( 3648: text => &mt('(128 KB max size)'), 3649: num => 131072, 3650: ); 3651: if ($env{'form.editdisc'}) { 3652: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3653: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3654: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3655: my $feedurl=&Apache::lonnet::clutter($url); 3656: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3657: undef,undef,undef,$group); 3658: return OK; 3659: } 3660: } 3661: if ($env{'form.discsymb'}) { 3662: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3663: my $readkey = $symb.'_read'; 3664: my $chgcount = 0; 3665: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3666: foreach my $key (keys(%env)) { 3667: if ($key =~ m/^form\.postunread_(\d+)/) { 3668: if ($readinghash{$readkey} =~ /\.$1\./) { 3669: $readinghash{$readkey} =~ s/\.$1\.//; 3670: $chgcount ++; 3671: } 3672: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3673: unless ($readinghash{$readkey} =~ /\.$1\./) { 3674: $readinghash{$readkey} .= '.'.$1.'.'; 3675: $chgcount ++; 3676: } 3677: } 3678: } 3679: if ($chgcount > 0) { 3680: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3681: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3682: } 3683: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3684: '0','0','','',$env{'form.previous'},'','','', 3685: undef,undef,undef,$group); 3686: return OK; 3687: } 3688: if ($env{'form.allversions'}) { 3689: &Apache::loncommon::content_type($r,'text/html'); 3690: &Apache::loncommon::no_cache($r); 3691: $r->send_http_header; 3692: 3693: # Breadcrumbs 3694: my $brcrum = [{'href' => '', 3695: 'text' => 'Discussion Post Versions'}]; 3696: 3697: my %parms=(); 3698: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3699: 3700: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3701: 3702: my $crs='/'.$env{'request.course.id'}; 3703: if ($env{'request.course.sec'}) { 3704: $crs.='_'.$env{'request.course.sec'}; 3705: } 3706: $crs=~s|_|/|g; 3707: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3708: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3709: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3710: ($symb)=&get_feedurl_and_clean_symb($symb); 3711: my $ressymb = &wrap_symb($symb); 3712: my $group = $env{'form.group'}; 3713: my $seeid; 3714: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3715: if (&check_group_priv($group,'dgp') eq 'ok') { 3716: $seeid = 1; 3717: } 3718: } else { 3719: $seeid = &Apache::lonnet::allowed('rin',$crs); 3720: } 3721: if ($idx > 0) { 3722: my %messages = (); 3723: my %subjects = (); 3724: my %attachmsgs = (); 3725: my %allattachments = (); 3726: my %imsfiles = (); 3727: my ($screenname,$plainname); 3728: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3729: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3730: $env{'course.'.$env{'request.course.id'}.'.num'}); 3731: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3732: } 3733: $r->print(&Apache::loncommon::end_page()); 3734: return OK; 3735: } 3736: if ($env{'form.posterlist'}) { 3737: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3738: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3739: $env{'form.sortposts'}); 3740: return OK; 3741: } 3742: if ($env{'form.userpick'}) { 3743: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3744: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3745: my $numpicks = @posters; 3746: my %discinfo; 3747: $discinfo{$symb.'_userpick'} = join('&',@posters); 3748: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3749: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3750: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3751: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3752: '',$numpicks,$group); 3753: return OK; 3754: } 3755: if ($env{'form.applysort'}) { 3756: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3757: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3758: '',$env{'form.previous'},$env{'form.sortposts'}, 3759: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3760: $env{'form.sectionpick'},$env{'form.grouppick'}, 3761: undef,$group); 3762: return OK; 3763: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3764: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3765: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3766: return OK; 3767: } elsif ($env{'form.navtime'}) { 3768: my %discinfo = (); 3769: my @resources = (); 3770: if (defined($env{'form.navmaps'})) { 3771: if ($env{'form.navmaps'} =~ /:/) { 3772: @resources = split(/:/,$env{'form.navmaps'}); 3773: } else { 3774: @resources = ("$env{'form.navmaps'}"); 3775: } 3776: } else { 3777: &has_discussion(\@resources); 3778: } 3779: my $numitems = @resources; 3780: my $feedurl = '/adm/navmaps'; 3781: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3782: my %lt = &Apache::lonlocal::texthash( 3783: 'mnpa' => 'Marked "New" posts as read in a total of', 3784: 'robb' => 'resources/bulletin boards.', 3785: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3786: ); 3787: foreach my $res (@resources) { 3788: my $ressymb=$res; 3789: &Apache::lonenc::check_decrypt(\$ressymb); 3790: my $lastkey = $ressymb.'_lastread'; 3791: $discinfo{$lastkey} = $env{'form.navtime'}; 3792: } 3793: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3794: if ($numitems > 0) { 3795: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3796: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3797: } else { 3798: $textline = "<b>$lt{'twnp'}</b>"; 3799: } 3800: &Apache::loncommon::content_type($r,'text/html'); 3801: $r->send_http_header; 3802: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3803: my %onload; 3804: 3805: my $start_page= 3806: &Apache::loncommon::start_page('New posts marked as read',undef, 3807: {'redirect' => [2,$feedurl], 3808: 'only_body' => 1, 3809: 'add_entries' => \%onload}); 3810: my $end_page = &Apache::loncommon::end_page(); 3811: $r->print (<<ENDREDIR); 3812: $start_page 3813: <img align="right" src="$logo" /> 3814: $textline 3815: <form name="reldt" action="$feedurl" target="loncapaclient"> 3816: </form> 3817: <br /> 3818: $end_page 3819: ENDREDIR 3820: return OK; 3821: } elsif ($env{'form.modifydisp'}) { 3822: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3823: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3824: split(/_/,$env{'form.changes'}); 3825: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3826: $dispchgB,$markchg,$toggchg,$feedurl); 3827: return OK; 3828: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3829: $env{'form.allposts'} || $env{'form.onlyunread'} || 3830: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3831: $env{'form.toggon'} || $env{'form.markread'}) { 3832: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3833: my %discinfo; 3834: # ------------------------ Modify setting for read/unread toggle for each post 3835: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3836: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3837: # --------- Modify setting for identification of 'NEW' posts in this discussion 3838: if ($env{'form.markondisp'}) { 3839: $discinfo{$symb.'_lastread'} = time; 3840: $discinfo{$symb.'_markondisp'} = 1; 3841: } 3842: if ($env{'form.markonread'}) { 3843: if ( $env{'form.previous'} > 0 ) { 3844: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3845: } 3846: $discinfo{$symb.'_markondisp'} = 0; 3847: } 3848: # --------------------------------- Modify display setting for this discussion 3849: if ($env{'form.allposts'}) { 3850: $discinfo{$symb.'_showonlyunread'} = 0; 3851: $discinfo{$symb.'_showonlyunmark'} = 0; 3852: } 3853: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3854: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3855: # ----------------------------------------------------- Mark new posts not NEW 3856: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3857: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3858: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3859: my $previous=$env{'form.previous'}; 3860: if ($env{'form.markondisp'}) { $previous=undef; } 3861: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3862: '0','0','','',$previous,'','','','','','',$group); 3863: return OK; 3864: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3865: # ----------------------------------------------------------------- Hide/unhide 3866: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3867: my ($symb,$idx)=split(/\:\:\:/,$entry); 3868: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3869: 3870: my $crs='/'.$env{'request.course.id'}; 3871: if ($env{'request.course.sec'}) { 3872: $crs.='_'.$env{'request.course.sec'}; 3873: } 3874: $crs=~s/\_/\//g; 3875: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3876: 3877: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3878: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3879: undef,undef,$group,); 3880: return OK; 3881: } 3882: 3883: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3884: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3885: $env{'course.'.$env{'request.course.id'}.'.num'}); 3886: 3887: my $currenthidden=$contrib{'hidden'}; 3888: my $currentstudenthidden=$contrib{'studenthidden'}; 3889: 3890: if ($env{'form.hide'}) { 3891: $currenthidden.='.'.$idx.'.'; 3892: unless ($seeid) { 3893: $currentstudenthidden.='.'.$idx.'.'; 3894: } 3895: } else { 3896: $currenthidden=~s/\.$idx\.//g; 3897: } 3898: my %newhash=('hidden' => $currenthidden); 3899: if ( ($env{'form.hide'}) && (!$seeid) ) { 3900: $newhash{'studenthidden'} = $currentstudenthidden; 3901: } 3902: if ($env{'form.hide'}) { 3903: my $changelast = 0; 3904: my $newlast; 3905: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3906: if ($changelast) { 3907: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3908: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3909: $env{'course.'.$env{'request.course.id'}.'.num'}); 3910: } 3911: } 3912: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3913: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3914: $env{'course.'.$env{'request.course.id'}.'.num'}); 3915: 3916: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3917: '0','0','','',$env{'form.previous'},undef,undef,undef, 3918: undef,undef,undef,$group); 3919: return OK; 3920: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { 3921: # ----------------------------------------------------------------- Like/unlike 3922: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; 3923: my ($symb,$idx)=split(/\:\:\:/,$entry); 3924: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3925: # 3926: # Likes and unlikes are in db-file "disclikes" of the course 3927: # The prefix is the $symb to identify the resource discussion, 3928: # and the $idx to identify the entry 3929: # 3930: my $prefix=$symb.':'.$idx.':'; 3931: my %contrib=&Apache::lonnet::dump('disclikes', 3932: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3933: $env{'course.'.$env{'request.course.id'}.'.num'}, 3934: '^'.$prefix); 3935: # Get all who like or unlike this 3936: my $currentlikers=$contrib{$prefix.'likers'}; 3937: my $currentunlikers=$contrib{$prefix.'unlikers'}; 3938: # Get the current "likes" count 3939: my $likes=$contrib{$prefix.'likes'}; 3940: # Find out if they already voted 3941: # Users cannot like a post twice, or unlike it twice. They can change their mind, though 3942: my $alreadyflag=0; 3943: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 3944: if ($env{'form.like'}) { 3945: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 3946: $alreadyflag=1; 3947: } else { 3948: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 3949: $currentunlikers=~s/\,\Q$thisuser\E\,//g; 3950: } else { 3951: $currentlikers.=','.$thisuser.','; 3952: } 3953: $likes++; 3954: } 3955: } else { 3956: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 3957: $alreadyflag=1; 3958: } else { 3959: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 3960: $currentlikers=~s/\,\Q$thisuser\E\,//g; 3961: } else { 3962: $currentunlikers.=','.$thisuser.','; 3963: } 3964: $likes--; 3965: } 3966: } 3967: my $result; 3968: # $alreadyflag would be 1 if they tried to double-like or double-unlike 3969: unless ($alreadyflag) { 3970: my %newhash=($prefix.'likes' => $likes, 3971: $prefix.'likers' => $currentlikers, 3972: $prefix.'unlikers' => $currentunlikers); 3973: # Store data in db-file "disclikes" 3974: if (&Apache::lonnet::put('disclikes', 3975: \%newhash, 3976: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3977: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 3978: # Also store with the person who posted the liked/unliked entry 3979: if ($env{'form.like'}) { 3980: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 3981: $result=&mt("Registered 'Like'"); 3982: } else { 3983: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 3984: $result=&mt("Registered 'Unlike'"); 3985: } 3986: } else { 3987: # Oops, something went wrong 3988: $result=&mt("Failed to register vote"); 3989: } 3990: } 3991: &redirect_back($r,$feedurl,$result.'<br />', 3992: '0','0','','',$env{'form.previous'},undef,undef,undef, 3993: undef,undef,undef,$group); 3994: return OK; 3995: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3996: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3997: if ($env{'form.cmd'} eq 'threadedon') { 3998: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3999: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 4000: } else { 4001: &Apache::lonnet::del('environment',['threadeddiscussion']); 4002: &Apache::lonnet::delenv('environment.threadeddiscussion'); 4003: } 4004: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 4005: '0','0','','',$env{'form.previous'},undef,undef,undef, 4006: undef,undef,undef,$group); 4007: return OK; 4008: } elsif ($env{'form.deldisc'}) { 4009: # --------------------------------------------------------------- Hide for good 4010: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 4011: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 4012: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4013: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4014: $env{'course.'.$env{'request.course.id'}.'.num'}); 4015: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 4016: if ($changelast) { 4017: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 4018: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 4019: } 4020: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 4021: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 4022: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4023: $env{'course.'.$env{'request.course.id'}.'.num'}); 4024: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 4025: '0','0','','',$env{'form.previous'},undef,undef,undef, 4026: undef,undef,undef,$group); 4027: return OK; 4028: } elsif ($env{'form.preview'}) { 4029: # -------------------------------------------------------- User wants a preview 4030: &show_preview($r); 4031: return OK; 4032: } elsif ($env{'form.attach'}) { 4033: # -------------------------------------------------------- Work on attachments 4034: &Apache::loncommon::content_type($r,'text/html'); 4035: $r->send_http_header; 4036: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 4037: my (@currnewattach,@currdelold,@keepold,$toolarge); 4038: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 4039: if (exists($env{'form.addnewattach.filename'})) { 4040: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 4041: my $subdir = 'feedback/'.$env{'form.timestamp'}; 4042: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 4043: push(@currnewattach, $newattachment); 4044: } else { 4045: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4046: } 4047: } 4048: my $attachmenturls; 4049: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 4050: my $idx = $env{'form.idx'}; 4051: if ($idx) { 4052: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4053: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4054: $env{'course.'.$env{'request.course.id'}.'.num'}); 4055: $attachmenturls = $contrib{$idx.':attachmenturl'}; 4056: } 4057: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 4058: $attachmenturls,$attachmax{'text'},$toolarge); 4059: return OK; 4060: } elsif ($env{'form.export'}) { 4061: &Apache::loncommon::content_type($r,'text/html'); 4062: $r->send_http_header; 4063: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 4064: my $mode='board'; 4065: my $status='OPEN'; 4066: my $previous=$env{'form.previous'}; 4067: if ($feedurl =~ /$LONCAPA::assess_re/) { 4068: $mode='problem'; 4069: $status=$Apache::inputtags::status[-1]; 4070: } 4071: my $discussion = &list_discussion($mode,$status,$symb); 4072: my $start_page = 4073: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 4074: my $end_page = 4075: &Apache::loncommon::end_page(); 4076: $r->print($start_page.$discussion.$end_page); 4077: return OK; 4078: } else { 4079: # ------------------------------------------------------------- Normal feedback 4080: my $feedurl=$env{'form.postdata'}; 4081: $feedurl=~s/^https?\:\/\///; 4082: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 4083: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 4084: $feedurl=~s/\?.+$//; 4085: 4086: my $symb; 4087: if ($env{'form.replydisc'}) { 4088: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 4089: } elsif ($env{'form.editdisc'}) { 4090: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 4091: } elsif ($env{'form.origpage'}) { 4092: $symb=""; 4093: } else { 4094: $symb=&Apache::lonnet::symbread($feedurl); 4095: } 4096: unless ($symb) { 4097: $symb=$env{'form.symb'}; 4098: } 4099: if (defined($symb)) { 4100: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 4101: } else { 4102: # backward compatibility (bulletin boards used to be 'wrapped') 4103: &Apache::lonenc::check_decrypt(\$feedurl); 4104: &dewrapper(\$feedurl); 4105: } 4106: my $goahead=1; 4107: if ($feedurl=~/$LONCAPA::assess_re/) { 4108: unless ($symb) { $goahead=0; } 4109: } 4110: if (!$goahead) { 4111: # Ambiguous Problem Resource 4112: $r->internal_redirect('/adm/ambiguous'); 4113: return OK; 4114: } 4115: # Go ahead with feedback, no ambiguous reference 4116: unless ( 4117: ( 4118: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 4119: ) 4120: || 4121: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 4122: || 4123: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 4124: ) { 4125: &Apache::loncommon::content_type($r,'text/html'); 4126: $r->send_http_header; 4127: # Unable to give feedback 4128: &Apache::lonenc::check_encrypt(\$feedurl); 4129: &no_redirect_back($r,$feedurl); 4130: return OK; 4131: } 4132: # --------------------------------------------------- Print login screen header 4133: unless ($env{'form.sendit'}) { 4134: &Apache::lonenc::check_encrypt(\$feedurl); 4135: &Apache::loncommon::content_type($r,'text/html'); 4136: $r->send_http_header; 4137: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 4138: my ($blocked,$blocktext) = 4139: &Apache::loncommon::blocking_status('boards'); 4140: if ($blocked) { 4141: $r->print(&blocked_reply_or_edit($blocktext)); 4142: return OK; 4143: } 4144: } 4145: my $options=&screen_header($feedurl,$symb,$group); 4146: if ($options) { 4147: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 4148: } else { 4149: &fail_redirect($r,$feedurl); 4150: } 4151: return OK; 4152: } 4153: 4154: # Get previous user input 4155: my $prevattempts=&Apache::loncommon::get_previous_attempt( 4156: $symb,$env{'user.name'},$env{'user.domain'}, 4157: $env{'request.course.id'}); 4158: 4159: # Get output from resource 4160: &Apache::lonenc::check_encrypt(\$feedurl); 4161: my $usersaw=&resource_output($feedurl); 4162: 4163: # Get resource answer (need to allow student to view grades for this to work) 4164: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 4165: my $usersymb = &Apache::lonenc::check_encrypt($symb); 4166: my $useranswer= 4167: &Apache::loncommon::get_student_answers( 4168: $usersymb,$env{'user.name'},$env{'user.domain'}, 4169: $env{'request.course.id'}); 4170: &Apache::lonnet::delenv('allowed.vgr'); 4171: # Get attachments, if any, and not too large 4172: my $attachmenturl=''; 4173: my $toolarge=''; 4174: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 4175: ($env{'form.replydisc'})) { 4176: my ($symb,$idx); 4177: if ($env{'form.replydisc'}) { 4178: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 4179: } elsif ($env{'form.editdisc'}) { 4180: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 4181: } elsif ($env{'form.origpage'}) { 4182: $symb = $env{'form.symb'}; 4183: } 4184: &Apache::lonenc::check_decrypt(\$symb); 4185: my @currnewattach = (); 4186: my @deloldattach = (); 4187: my @keepold = (); 4188: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 4189: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 4190: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 4191: } elsif ($env{'form.attachment.filename'}) { 4192: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 4193: my $now = time; 4194: my $subdir = 'feedback/'.$now; 4195: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 4196: } else { 4197: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4198: } 4199: } 4200: # Filter HTML out of message (could be nasty) 4201: my $override; 4202: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 4203: $override = 1; 4204: } 4205: my $message=&clear_out_html($env{'form.comment'},$override); 4206: 4207: # Assemble email 4208: my ($email,$citations)=&assemble_email($message,$prevattempts, 4209: $usersaw,$useranswer); 4210: 4211: # Who gets this? 4212: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 4213: 4214: # Actually send mail 4215: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 4216: $feedurl,$email,$citations, 4217: $attachmenturl,$usersymb,%to); 4218: 4219: # Discussion? Store that. 4220: my $numpost=0; 4221: if ( ($env{'form.discuss'} ne '' 4222: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4223: || $env{'form.anondiscuss'} ne '') { 4224: my $subject = &clear_out_html($env{'form.subject'}); 4225: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4226: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4227: $subject,$group); 4228: $numpost++; 4229: } 4230: 4231: # Add to blog? 4232: 4233: my $blog=''; 4234: if ($env{'form.blog'}) { 4235: my $subject = &clear_out_html($env{'form.subject'}); 4236: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4237: $env{'user.domain'}, 4238: 'CourseBlog_'.$env{'request.course.id'}, 4239: $subject,$message,$feedurl,'public'); 4240: if (&Apache::loncommon::course_type() eq 'Community') { 4241: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4242: } else { 4243: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4244: } 4245: } 4246: 4247: # Receipt screen and redirect back to where came from 4248: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4249: } 4250: return OK; 4251: } 4252: 4253: sub blocked_reply_or_edit { 4254: my ($blocktext) = @_; 4255: return 4256: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4257: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4258: &mt('Back to previous page'). 4259: &Apache::loncommon::end_page(); 4260: } 4261: 4262: sub wrap_symb { 4263: my ($ressymb)=@_; 4264: if ($ressymb =~ /bulletin___\d+___/) { 4265: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4266: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4267: } 4268: } 4269: return $ressymb; 4270: } 4271: sub dewrapper { 4272: my ($feedurl)=@_; 4273: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4274: $$feedurl=~s|^/adm/wrapper||; 4275: } 4276: } 4277: 4278: sub get_feedurl { 4279: my ($symb)=@_; 4280: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4281: my $feedurl = &Apache::lonnet::clutter($url); 4282: &dewrapper(\$feedurl); 4283: return $feedurl; 4284: } 4285: 4286: sub get_feedurl_and_clean_symb { 4287: my ($symb)=@_; 4288: &Apache::lonenc::check_decrypt(\$symb); 4289: # backward compatibility (bulletin boards used to be 'wrapped') 4290: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4291: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4292: } 4293: my $feedurl = &get_feedurl($symb); 4294: return ($symb,$feedurl); 4295: } 4296: 4297: sub editing_allowed { 4298: my ($postid,$group) = @_; 4299: $postid = &unescape($postid); 4300: my $can_edit = 0; 4301: if ($group ne '') { 4302: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4303: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4304: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4305: if (&check_group_priv($group,'egp') eq 'ok') { 4306: $can_edit = 1; 4307: } 4308: return $can_edit; 4309: } 4310: } 4311: my $cid = $env{'request.course.id'}; 4312: my $role = (split(/\./,$env{'request.role'}))[0]; 4313: my $section = $env{'request.course.sec'}; 4314: my $allow_editing_config = 4315: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4316: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4317: $can_edit = 1; 4318: } else { 4319: foreach my $editor (split(/,/,$allow_editing_config)) { 4320: my ($editor_role,$editor_sec) = split(/:/,$editor); 4321: if ($editor_role eq $role 4322: && defined($editor_sec) 4323: && defined($section) 4324: && $editor_sec eq $section) { 4325: $can_edit = 1; 4326: last; 4327: } 4328: if ($editor_role eq $role 4329: && !defined($editor_sec)) { 4330: $can_edit = 1; 4331: } 4332: } 4333: } 4334: return $can_edit; 4335: } 4336: 4337: sub check_group_priv { 4338: my ($group,$grp_priv) = @_; 4339: foreach my $priv ('mdg','vcg') { 4340: my $checkcourse = $env{'request.course.id'}. 4341: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4342: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4343: return 'ok'; 4344: } 4345: } 4346: if ($grp_priv && $group ne '') { 4347: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4348: return 'ok'; 4349: } 4350: } 4351: return ''; 4352: } 4353: 4354: sub group_args { 4355: my ($group) = @_; 4356: if ($group eq '') { return ''; } 4357: my $extra_args = '&group='.$group; 4358: if (exists($env{'form.ref'})) { 4359: $extra_args .= '&ref='.$env{'form.ref'}; 4360: } 4361: return $extra_args; 4362: } 4363: 4364: sub get_resource_title { 4365: my ($symb,$feedurl) = @_; 4366: my ($restitle,$plainurl); 4367: if (defined($symb)) { 4368: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4369: $restitle = &Apache::lonnet::gettitle($plain_symb); 4370: } 4371: if (defined($feedurl)) { 4372: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4373: } 4374: if (!defined($restitle)) { 4375: if (defined($feedurl)) { 4376: $restitle = &Apache::lonnet::gettitle($plainurl); 4377: } 4378: } 4379: if ($plainurl ne $feedurl) { 4380: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4381: if ($plain_filename eq $restitle) { 4382: $restitle = &mt('Untitled resource'); 4383: } 4384: } 4385: if ($restitle eq '') { 4386: $restitle = &mt('Untitled resource'); 4387: } 4388: return $restitle; 4389: } 4390: 4391: 1; 4392: __END__ 4393: 4394: 4395: =pod 4396: 4397: =head1 NAME 4398: 4399: Apache::lonfeedback.pm 4400: 4401: =head1 SYNOPSIS 4402: 4403: Handles feedback from students to instructors and system administrators. 4404: 4405: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4406: 4407: Used by lonmsg.pm. 4408: 4409: This is part of the LearningOnline Network with CAPA project 4410: described at http://www.lon-capa.org. 4411: 4412: =head1 OVERVIEW 4413: 4414: None 4415: 4416: =head1 SUBROUTINES 4417: 4418: =over 4419: 4420: =item discussion_open() 4421: 4422: =item discussion_visible() 4423: 4424: =item list_discussion() 4425: 4426: =item send_feedback_link() 4427: 4428: =item send_message_link() 4429: 4430: =item action_links_bar() 4431: 4432: =item postingform_display() 4433: 4434: =item build_posting_display 4435: 4436: =item filter_regexp() 4437: 4438: =item get_post_contents() 4439: 4440: =item replicate_attachments() 4441: 4442: =item mail_screen() 4443: 4444: =item print_display_options() 4445: 4446: =item print_sortfilter_options() 4447: 4448: =item print_showposters() 4449: 4450: =item get_post_versions() 4451: 4452: =item get_post_attachments() 4453: 4454: =item fail_redirect() 4455: 4456: =item redirect_back() 4457: 4458: =item no_redirect_back() 4459: 4460: =item screen_header() 4461: 4462: =item resource_output() 4463: 4464: =item clear_out_html() 4465: 4466: =item assemble_email() 4467: 4468: =item feedback_available() 4469: 4470: =item send_msg() 4471: 4472: =item adddiscuss() 4473: 4474: =item get_discussion_info() 4475: 4476: =item show_preview() 4477: 4478: =item newline_to_br() 4479: 4480: =item tidy_html() 4481: 4482: =item generate_preview_button() 4483: 4484: =item modify_attachments() 4485: 4486: =item process_attachments() 4487: 4488: =item generate_attachments_button() 4489: 4490: =item extract_attachments() 4491: 4492: =item construct_attachmenturl() 4493: 4494: =item add_blog_checkbox() 4495: 4496: =item has_discussion() 4497: 4498: =item sort_filter_names() 4499: 4500: =item handler() 4501: 4502: =item blocked_reply_or_edit() 4503: 4504: =item wrap_symb() 4505: 4506: =item dewrapper() 4507: 4508: =item get_feedurl() 4509: 4510: =item get_feedurl_and_clean_symb() 4511: 4512: =item editing_allowed() 4513: 4514: =item check_group_priv() 4515: 4516: =item group_args() 4517: 4518: =item get_resource_title() 4519: 4520: =back 4521: 4522: =cut