loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.295: download - view: text, annotated - select for diffs
Sat Jun 5 22:07:05 2010 UTC (14 years, 5 months ago) by www
Branches: MAIN
CVS tags: HEAD

Bug #6162: some unused phrases in printouts of discussions

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.295 2010/06/05 22:07:05 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=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 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: my $target=''; 285: 286: my $now = time; 287: $discinfo{$visitkey} = $visit; 288: 289: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 290: &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,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 291: 292: my $discussion=''; 293: my $manifestfile; 294: my $manifestok=0; 295: my $tempexport; 296: my $imsresources; 297: my $copyresult; 298: 299: my $function = &Apache::loncommon::get_users_function(); 300: my $color = &Apache::loncommon::designparm($function.'.tabbg', 301: $env{'user.domain'}); 302: my %lt = &Apache::lonlocal::texthash( 303: 'cuse' => 'Current discussion settings', 304: 'allposts' => 'All posts', 305: 'unread' => 'New posts only', 306: 'unmark' => 'Unread only', 307: 'ondisp' => 'Once displayed', 308: 'onmark' => 'Once marked not NEW', 309: 'toggoff' => 'Off', 310: 'toggon' => 'On', 311: 'disa' => 'Posts to be displayed', 312: 'npce' => 'Posts cease to be marked "NEW"', 313: 'epcb' => 'Each post can be toggled read/unread', 314: 'chgt' => 'Change', 315: 'disp' => 'Display', 316: 'nolo' => 'Not new', 317: 'togg' => 'Toggle read/unread', 318: 'aner' => 'An error occurred opening the manifest file.', 319: 'difo' => 'Discussion for', 320: 'aerr' => 'An error occurred opening the export file for posting', 321: 'aysu' => 'Are you sure you want to delete this post?', 322: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 323: 'bwco' => 'but will continue to be visible to your instructor', 324: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 325: 'discussions' => 'DISCUSSIONS' 326: ); 327: 328: my $currdisp = $lt{'allposts'}; 329: my $currmark = $lt{'onmark'}; 330: my $currtogg = $lt{'toggoff'}; 331: my $dispchange = $lt{'unread'}; 332: my $markchange = $lt{'ondisp'}; 333: my $toggchange = $lt{'toggon'}; 334: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 335: my $displinkA = 'onlyunread'; 336: my $displinkB = 'onlyunmark'; 337: my $marklink = 'markondisp'; 338: my $togglink = 'toggon'; 339: 340: if ($markondisp) { 341: $currmark = $lt{'ondisp'}; 342: $markchange = $lt{'onmark'}; 343: $marklink = 'markonread'; 344: } 345: 346: if ($showonlyunread) { 347: $currdisp = $lt{'unread'}; 348: $dispchange = $lt{'allposts'}; 349: $displinkA = 'allposts'; 350: } 351: 352: if ($showunmark) { 353: $currdisp = $lt{'unmark'}; 354: $dispchange = $lt{'unmark'}; 355: $displinkA='allposts'; 356: $displinkB='onlyunread'; 357: $showonlyunread = 0; 358: } 359: 360: if ($dischash{$toggkey}) { 361: $currtogg = $lt{'toggon'}; 362: $toggchange = $lt{'toggoff'}; 363: $togglink = 'toggoff'; 364: } 365: 366: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 367: 368: if ($newpostsflag) { 369: $chglink .= '&previous='.$prevread; 370: } 371: $chglink.=&group_args($group); 372: 373: if ($visible) { 374: # Print the discusssion 375: if ($outputtarget eq 'tex') { 376: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 377: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 378: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 379: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 380: } elsif ($outputtarget eq 'export') { 381: # Create temporary directory if this is an export 382: my $now = time; 383: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 384: $tempexport = $$imsextras{'tempexport'}; 385: if (!-e $tempexport) { 386: mkdir($tempexport,0700); 387: } 388: $tempexport .= '/'.$$imsextras{'count'}; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: } else { 393: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 394: if (!-e $tempexport) { 395: mkdir($tempexport,0700); 396: } 397: $tempexport .= '/'.$now; 398: if (!-e $tempexport) { 399: mkdir($tempexport,0700); 400: } 401: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 402: } 403: if (!-e $tempexport) { 404: mkdir($tempexport,0700); 405: } 406: # open manifest file 407: my $manifest = '/imsmanifest.xml'; 408: my $manifestfilename = $tempexport.$manifest; 409: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 410: $manifestok=1; 411: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 412: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 413: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 414: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 415: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 416: <organizations default="$ressymb"> 417: <organization identifier="$ressymb"> 418: <title>$lt{'difo'} $ressymb</title>\n|; 419: } else { 420: $discussion .= $lt{'aner'}.'<br />'; 421: } 422: } else { 423: my $colspan=$maxdepth+1; 424: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 425: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 426: var symbparm = symb+':::'+idx 427: var prevparm = "" 428: if (newflag == 1) { 429: prevparm = "&previous="+previous 430: } 431: if (caller == 'studentdelete') { 432: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 433: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 434: } 435: } else { 436: if (caller == 'seeiddelete') { 437: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 438: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 439: } 440: } 441: } 442: } 443: |); 444: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 445: "\n".'<table class="LC_discussion">'; 446: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 447: $newpostsflag,$group, 448: $prevread,$markondisp); 449: my $escsymb=&escape($ressymb); 450: my $numhidden = keys(%notshown); 451: if ($numhidden > 0) { 452: my $colspan = $maxdepth+1; 453: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 454: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 455: if ($newpostsflag) { 456: $discussion .= '&previous='.$prevread; 457: } 458: $discussion .= &group_args($group); 459: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 460: $numhidden.' '; 461: if ($showunmark) { 462: $discussion .= &mt('posts previously marked read'); 463: } else { 464: $discussion .= &mt('previously viewed posts'); 465: } 466: $discussion .= '<br/></td></tr>'; 467: } 468: } 469: 470: # Choose sort mechanism 471: my @showposts = (); 472: if ($sortposts eq 'descdate') { 473: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 474: } elsif ($sortposts eq 'thread') { 475: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 476: } elsif ($sortposts eq 'subject') { 477: foreach my $key (sort(keys(%subjectsort))) { 478: push(@showposts, @{$subjectsort{$key}}); 479: } 480: } elsif ($sortposts eq 'username') { 481: foreach my $domain (sort(keys(%usernamesort))) { 482: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 483: push(@showposts, @{$usernamesort{$domain}{$key}}); 484: } 485: } 486: } elsif ($sortposts eq 'lastfirst') { 487: foreach my $last (sort(keys(%namesort))) { 488: foreach my $key (sort(keys(%{$namesort{$last}}))) { 489: push(@showposts, @{$namesort{$last}{$key}}); 490: } 491: } 492: } else { 493: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 494: } 495: my $currdepth = 0; 496: my $firstidx = $alldiscussion{$showposts[0]}; 497: foreach my $post (@showposts) { 498: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 499: $alldiscussion{$post} = $post; 500: } 501: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 503: $discussion.="\n<tr>"; 504: } 505: my $thisdepth=$depth[$alldiscussion{$post}]; 506: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 507: for (1..$thisdepth) { 508: $discussion.='<td>   </td>'; 509: } 510: } 511: my $colspan=$maxdepth-$thisdepth+1; 512: if ($outputtarget eq 'tex') { 513: #cleanup block 514: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 515: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 516: my $threadinsert=''; 517: if ($thisdepth > 0) { 518: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 519: } 520: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 521: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 522: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 523: 524: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 525: $discussion.=$discussionitems[$alldiscussion{$post}]; 526: } elsif ($outputtarget eq 'export') { 527: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 528: if ($manifestok) { 529: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 530: print $manifestfile ' </item>'."\n"; 531: } 532: $currdepth = $depth[$alldiscussion{$post}]; 533: print $manifestfile "\n". 534: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 535: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 536: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 537: $imsresources .= "\n". 538: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 539: '<file href="'.$postfilename.'">'."\n". 540: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 541: '</resource>'; 542: } 543: my $postingfile; 544: my $postingfilename = $tempexport.'/'.$postfilename; 545: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 546: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 547: $imsitems{$alldiscussion{$post}}{'title'}.' '. 548: $imsitems{$alldiscussion{$post}}{'sender'}. 549: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 550: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 551: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 552: close($postingfile); 553: } else { 554: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 555: } 556: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 557: } else { 558: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 559: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 560: '</td></tr>'; 561: } 562: } 563: } 564: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 565: my $colspan=$maxdepth+1; 566: $discussion .= <<END; 567: <tr bgcolor="#FFFFFF"> 568: <td colspan="$colspan" class="LC_disc_action_links_bar"> 569: <table class="LC_disc_action_table"> 570: <tr> 571: <td align="left"> 572: <table border="0" cellpadding="0" cellspacing="4"> 573: <tr> 574: <td> 575: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 576: <td> </td> 577: <td><font size="-1"> 578: END 579: if ($newpostsflag) { 580: $discussion .= 581: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 582: if ($dischash{$toggkey}) { 583: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 584: } 585: } else { 586: if ($dischash{$toggkey}) { 587: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 588: } else { 589: $discussion .= 590: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 591: } 592: } 593: $discussion .= <<END; 594: </font></td> 595: <td> </td> 596: <td align="left"> 597: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 598: </td> 599: </tr> 600: </table> 601: </td> 602: END 603: if ($sortposts) { 604: my %sort_types = (); 605: my %role_types = (); 606: my %status_types = (); 607: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 608: 609: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 610: if (defined($env{'form.totposters'})) { 611: $discussion .= &mt('Posts by').':'; 612: if ($totposters > 0) { 613: foreach my $poster (@posters) { 614: $discussion .= ' '.$poster.','; 615: } 616: $discussion =~ s/,$//; 617: } else { 618: $discussion .= &mt('None selected'); 619: } 620: } else { 621: my $filterchoice =''; 622: if (@sectionpick > 0) { 623: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 624: $filterchoice .= '    '; 625: } 626: if (@grouppick > 0) { 627: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 628: $filterchoice .= '    '; 629: } 630: if (@rolefilter > 0) { 631: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 632: foreach my $role (@rolefilter) { 633: $filterchoice .= ' '.$role_types{$role}.','; 634: } 635: $filterchoice =~ s/,$//; 636: $filterchoice .= '<br />'.(' ' x8); 637: } 638: if ($statusfilter) { 639: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 640: } 641: if ($filterchoice) { 642: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 643: } 644: $discussion .= '</font></td>'; 645: } 646: } 647: if ($dischash{$toggkey}) { 648: my $storebutton = &mt('Save read/unread changes'); 649: $discussion.='<td align="right">'. 650: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 651: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 652: ' onclick="this.form.submit();" />'."\n". 653: '</td>'; 654: } 655: $discussion .= (<<END); 656: </tr> 657: </table> 658: </td> 659: </tr> 660: END 661: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 662: $newpostsflag,$group, 663: $prevread,$markondisp); 664: $discussion .= " 665: </table> 666: <br /><br /></form>\n"; 667: } 668: if ($outputtarget eq 'export') { 669: if ($manifestok) { 670: while ($currdepth > 0) { 671: print $manifestfile " </item>\n"; 672: $currdepth --; 673: } 674: print $manifestfile qq| 675: </organization> 676: </organizations> 677: <resources> 678: $imsresources 679: </resources> 680: </manifest> 681: |; 682: close($manifestfile); 683: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 684: $discussion = $copyresult; 685: } else { 686: 687: #Create zip file in prtspool 688: 689: my $imszipfile = '/prtspool/'. 690: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 691: time.'_'.rand(1000000000).'.zip'; 692: my $cwd = &getcwd(); 693: my $imszip = '/home/httpd/'.$imszipfile; 694: chdir $tempexport; 695: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 696: close(OUTPUT); 697: chdir $cwd; 698: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 699: if ($copyresult) { 700: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 701: } 702: } 703: } else { 704: $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 />'; 705: } 706: return $discussion; 707: } 708: } 709: if ($discussiononly) { 710: my $now = time; 711: my $attachnum = 0; 712: my $currnewattach = []; 713: my $currdelold = []; 714: my $comment = ''; 715: my $subject = ''; 716: if ($env{'form.origpage'}) { 717: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 718: $subject = &unescape($env{'form.subject'}); 719: $comment = &unescape($env{'form.comment'}); 720: my @keepold = (); 721: &process_attachments($currnewattach,$currdelold,\@keepold); 722: if (@{$currnewattach} > 0) { 723: $attachnum += @{$currnewattach}; 724: } 725: } 726: if (&discussion_open($status)) { 727: if (($group ne '') && ($mode eq 'board')) { 728: if (&check_group_priv($group,'pgd') eq 'ok') { 729: $discussion .= 730: &postingform_display($mode,$ressymb,$now,$subject, 731: $comment,$outputtarget,$attachnum, 732: $currnewattach,$currdelold, 733: $group,$crstype); 734: } 735: } else { 736: $discussion.= 737: &postingform_display($mode,$ressymb,$now,$subject, 738: $comment,$outputtarget,$attachnum, 739: $currnewattach,$currdelold,'',$crstype); 740: } 741: } 742: } else { 743: $discussion.='<div class="LC_feedback_link">'; 744: if (&discussion_open($status) && 745: &Apache::lonnet::allowed('pch', 746: $env{'request.course.id'}. 747: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 748: if ($outputtarget ne 'tex') { 749: $discussion.= &send_feedback_link($ressymb,$target); 750: } 751: } else { 752: if ($outputtarget ne 'tex') { 753: $discussion.= &mt('This discussion is closed.'); 754: } 755: } 756: if ($outputtarget ne 'tex') { 757: $discussion.= &send_message_link($ressymb); 758: } 759: $discussion.='</div>'; 760: } 761: return $discussion; 762: } 763: 764: sub send_feedback_link { 765: my ($ressymb,$target) = @_; 766: my $output = '<span class="LC_feedback_link">'. 767: ' <a href="/adm/feedback?replydisc='. 768: &escape($ressymb).':::" '.$target.'>'. 769: '<img alt="" class="LC_noBorder" src="'. 770: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 771: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 772: return $output; 773: } 774: 775: sub send_message_link { 776: my ($ressymb) = @_; 777: my $output = '<span class="LC_message_link">'. 778: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 779: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 780: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 781: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 782: return $output; 783: } 784: 785: sub action_links_bar { 786: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 787: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 788: '<table width="100%" class="LC_disc_action_table"><tr>'. 789: '<td class="LC_disc_action_left">'; 790: my $escsymb=&escape($ressymb); 791: if ($visible>2) { 792: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 793: if ($newpostsflag) { 794: $discussion .= '&previous='.$prevread; 795: } 796: $discussion .= &group_args($group); 797: $discussion .='">'.&mt('Threaded View').'</a>  '. 798: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 799: if ($newpostsflag) { 800: $discussion .= '&previous='.$prevread; 801: } 802: $discussion .= &group_args($group); 803: $discussion .='">'.&mt('Chronological View').'</a>   804: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 805: if ($newpostsflag) { 806: $discussion .= '&previous='.$prevread; 807: } 808: $discussion .= &group_args($group); 809: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 810: } 811: $discussion .='<a href="/adm/feedback?export='.$escsymb; 812: if ($newpostsflag) { 813: $discussion .= '&previous='.$prevread; 814: } 815: $discussion .= &group_args($group); 816: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 817: if ($newpostsflag) { 818: if (!$markondisp) { 819: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 820: $discussion .= &group_args($group); 821: $discussion .= '">'. 822: &mt('Preferences on what is marked as NEW'). 823: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 824: $discussion .= &group_args($group); 825: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 826: } else { 827: $discussion .= '<td> </td>'; 828: } 829: } else { 830: $discussion .= '<td> </td>'; 831: } 832: $discussion .= '</tr></table></td></tr>'; 833: return $discussion; 834: } 835: 836: sub postingform_display { 837: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 838: $currnewattach,$currdelold,$group,$crstype) = @_; 839: if ($outputtarget eq 'tex') { return ''; } 840: my $newattachmsg; 841: my %lt = &Apache::lonlocal::texthash( 842: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 843: 'title' => 'Title', 844: 'podi' => 'Post Discussion', 845: 'poan' => 'Post Anonymous Discussion', 846: 'newa' => 'New attachments', 847: ); 848: if ($crstype eq 'Community') { 849: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 850: } 851: my $postingform = (<<ENDDISCUSS); 852: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 853: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 854: <input type="hidden" name="sendit" value="true" /> 855: <input type="hidden" name="timestamp" value="$now" /> 856: <br /><a name="newpost"></a> 857: <font size="1">$lt{'note'}</font><br /> 858: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 859: <textarea name="comment" cols="80" rows="14" >$comment</textarea> 860: ENDDISCUSS 861: if ($env{'form.origpage'}) { 862: $postingform .= '<input type="hidden" name="origpage" value="'. 863: $env{'form.origpage'}.'" />'."\n"; 864: foreach my $att (@{$currnewattach}) { 865: $postingform .= '<input type="hidden" name="currnewattach" '. 866: 'value="'.$att.'" />'."\n"; 867: } 868: } 869: if (exists($env{'form.ref'})) { 870: $postingform .= '<input type="hidden" name="ref" value="'. 871: $env{'form.ref'}.'" />'; 872: } 873: if ($group ne '') { 874: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 875: } 876: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 877: if (!$blockblog) { 878: $postingform .= &add_blog_checkbox($crstype); 879: } 880: $postingform .= "</form>\n"; 881: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 882: $now,$currnewattach, 883: $currdelold,'',$mode, 884: $blockblog); 885: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 886: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 887: if (@{$currnewattach} > 1) { 888: $newattachmsg .= '<ol>'; 889: foreach my $item (@{$currnewattach}) { 890: $item =~ m#.*/([^/]+)$#; 891: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 892: } 893: $newattachmsg .= '</ol>'."\n"; 894: } else { 895: $$currnewattach[0] =~ m#.*/([^/]+)$#; 896: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 897: } 898: } 899: $postingform .= $newattachmsg; 900: $postingform .= &generate_preview_button(); 901: return $postingform; 902: } 903: 904: sub build_posting_display { 905: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 906: my @original=(); 907: my @index=(); 908: my $skip_group_check = 0; 909: my $symb=&Apache::lonenc::check_decrypt($ressymb); 910: my $escsymb=&escape($ressymb); 911: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 912: $env{'course.'.$env{'request.course.id'}.'.domain'}, 913: $env{'course.'.$env{'request.course.id'}.'.num'}); 914: 915: my $see_anonymous = 916: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 917: 918: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 919: $skip_group_check = 1; 920: } 921: if ($contrib{'version'}) { 922: my $oldest = $contrib{'1:timestamp'}; 923: if ($prevread eq '0') { 924: $prevread = $oldest-1; 925: } 926: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 927: if ($sortposts) { 928: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 929: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 930: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 931: } 932: for (my $id=1;$id<=$contrib{'version'};$id++) { 933: my $idx=$id; 934: my $posttime = $contrib{$idx.':timestamp'}; 935: if ($prevread <= $posttime) { 936: $$newpostsflag = 1; 937: } 938: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 939: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 940: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 941: my $origindex='0.'; 942: my $numoldver=0; 943: if ($contrib{$idx.':replyto'}) { 944: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 945: # this is a follow-up message 946: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 947: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 948: $origindex=$index[$contrib{$idx.':replyto'}]; 949: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 950: } else { 951: $original[$idx]=0; 952: $$depth[$idx]=0; 953: } 954: } else { 955: # this is an original message 956: $original[$idx]=0; 957: $$depth[$idx]=0; 958: } 959: if ($$replies[$$depth[$idx]]) { 960: $$replies[$$depth[$idx]]++; 961: } else { 962: $$replies[$$depth[$idx]]=1; 963: } 964: unless ((($hidden) && (!$seeid)) || ($deleted)) { 965: $$visible++; 966: if ($contrib{$idx.':history'}) { 967: if ($contrib{$idx.':history'} =~ /:/) { 968: my @oldversions = split(/:/,$contrib{$idx.':history'}); 969: $numoldver = @oldversions; 970: } else { 971: $numoldver = 1; 972: } 973: } 974: $$current = $numoldver; 975: my %messages = (); 976: my %subjects = (); 977: my %attachtxt = (); 978: my %allattachments = (); 979: my ($screenname,$plainname); 980: my $sender = &mt('Anonymous'); 981: # Anonymous users getting number within a discussion 982: # Since idx is in static order, this should give the same sequence every time. 983: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 984: unless ($$anonhash{$key}) { 985: $anoncnt++; 986: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 987: } 988: my ($message,$subject,$vgrlink,$ctlink); 989: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 990: 991: 992: # Set up for sorting by subject 993: unless ($outputtarget eq 'export') { 994: $message=$messages{$numoldver}; 995: $message.=$attachtxt{$numoldver}; 996: $subject=$subjects{$numoldver}; 997: if ($message) { 998: if ($hidden) { 999: $message='<font color="#888888">'.$message.'</font>'; 1000: if ($studenthidden) { 1001: $message .='<br /><br />Deleted by poster (student).'; 1002: } 1003: } 1004: 1005: if ($subject eq '') { 1006: if (defined($$subjectsort{'__No subject'})) { 1007: push(@{$$subjectsort{'__No subject'}}, $idx); 1008: } else { 1009: @{$$subjectsort{'__No subject'}} = ("$idx"); 1010: } 1011: } else { 1012: if (defined($$subjectsort{$subject})) { 1013: push(@{$$subjectsort{$subject}}, $idx); 1014: } else { 1015: @{$$subjectsort{$subject}} = ("$idx"); 1016: } 1017: } 1018: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1019: $sender=&Apache::loncommon::aboutmewrapper( 1020: $plainname, 1021: $contrib{$idx.':sendername'}, 1022: $contrib{$idx.':senderdomain'}).' ('. 1023: $contrib{$idx.':sendername'}.':'. 1024: $contrib{$idx.':senderdomain'}.')'; 1025: $sender = '<b>'.$sender.'</b>'; 1026: if ($contrib{$idx.':anonymous'}) { 1027: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1028: $screenname; 1029: } 1030: if ($see_anonymous) { 1031: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1032: } 1033: # Set up for sorting by domain, then username 1034: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1035: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1036: } 1037: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1038: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1039: } else { 1040: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1041: } 1042: # Set up for sorting by last name, then first name 1043: my %names = &Apache::lonnet::get('environment', 1044: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1045: ,$contrib{$idx.':sendername'}); 1046: my $lastname = $names{'lastname'}; 1047: my $firstname = $names{'firstname'}; 1048: if ($lastname eq '') { 1049: $lastname = '_'; 1050: } 1051: if ($firstname eq '') { 1052: $firstname = '_'; 1053: } 1054: unless (defined($$namesort{$lastname})) { 1055: %{$$namesort{$lastname}} = (); 1056: } 1057: if (defined($$namesort{$lastname}{$firstname})) { 1058: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1059: } else { 1060: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1061: } 1062: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1063: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1064: $sender.=' <a href="/adm/feedback?editdisc='. 1065: $escsymb.':::'.$idx; 1066: if ($$newpostsflag) { 1067: $sender .= '&previous='.$prevread; 1068: } 1069: $sender .= &group_args($group); 1070: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1071: 1072: unless ($seeid) { 1073: my $grpargs = &group_args($group); 1074: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1075: $sender .= '">'.&mt('Delete').'</a>'; 1076: } 1077: } 1078: } 1079: if ($seeid) { 1080: if ($hidden) { 1081: unless ($studenthidden) { 1082: $sender.=' <a href="/adm/feedback?unhide='. 1083: $escsymb.':::'.$idx; 1084: if ($$newpostsflag) { 1085: $sender .= '&previous='.$prevread; 1086: } 1087: $sender .= '">'.&mt('Make Visible').'</a>'; 1088: } 1089: } else { 1090: $sender.=' <a href="/adm/feedback?hide='. 1091: $escsymb.':::'.$idx; 1092: if ($$newpostsflag) { 1093: $sender .= '&previous='.$prevread; 1094: } 1095: $sender .= &group_args($group); 1096: $sender .= '">'.&mt('Hide').'</a>'; 1097: } 1098: my $grpargs = &group_args($group); 1099: $sender.= 1100: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1101: $sender .= &mt('Delete').'</a>'; 1102: } 1103: } else { 1104: if ($screenname) { 1105: $sender='<i>'.$screenname.'</i>'; 1106: } else { 1107: $sender='<i>'.$$anonhash{$key}.'</i>'; 1108: } 1109: $sender = '<b>'.$sender.'</b>'; 1110: # Set up for sorting by domain, then username for anonymous 1111: unless (defined($$usernamesort{'__anon'})) { 1112: %{$$usernamesort{'__anon'}} = (); 1113: } 1114: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1115: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1116: } else { 1117: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1118: } 1119: # Set up for sorting by last name, then first name for anonymous 1120: unless (defined($$namesort{'__anon'})) { 1121: %{$$namesort{'__anon'}} = (); 1122: } 1123: if (defined($$namesort{'__anon'}{'__anon'})) { 1124: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1125: } else { 1126: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1127: } 1128: } 1129: if (&discussion_open($status)) { 1130: if (($group ne '') && 1131: (&check_group_priv($group,'pgd') eq 'ok')) { 1132: $sender.=' <a href="/adm/feedback?replydisc='. 1133: $escsymb.':::'.$idx; 1134: if ($$newpostsflag) { 1135: $sender .= '&previous='.$prevread; 1136: } 1137: $sender .= &group_args($group); 1138: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1139: } elsif (&Apache::lonnet::allowed('pch', 1140: $env{'request.course.id'}. 1141: ($env{'request.course.sec'}?'/'. 1142: $env{'request.course.sec'}:''))) { 1143: $sender.=' <a href="/adm/feedback?replydisc='. 1144: $escsymb.':::'.$idx; 1145: if ($$newpostsflag) { 1146: $sender .= '&previous='.$prevread; 1147: } 1148: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1149: } 1150: } 1151: if ($viewgrades) { 1152: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1153: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1154: } 1155: if ($$dischash{$readkey}=~/\.$idx\./) { 1156: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1157: } else { 1158: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1159: } 1160: } 1161: #figure out at what position this needs to print 1162: } 1163: if ($outputtarget eq 'export' || $message) { 1164: my $thisindex=$idx; 1165: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1166: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1167: } 1168: $$alldiscussion{$thisindex}=$idx; 1169: $$shown{$idx} = 0; 1170: $index[$idx]=$thisindex; 1171: } 1172: if ($outputtarget eq 'export') { 1173: %{$$imsitems{$idx}} = (); 1174: $$imsitems{$idx}{'isvisible'}='true'; 1175: if ($hidden) { 1176: $$imsitems{$idx}{'isvisible'}='false'; 1177: } 1178: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1179: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1180: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1181: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1182: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1183: $contrib{$idx.':sendername'}.':'. 1184: $contrib{$idx.':senderdomain'}.')'; 1185: $$imsitems{$idx}{'isanonymous'}='false'; 1186: if ($contrib{$idx.':anonymous'}) { 1187: $$imsitems{$idx}{'isanonymous'}='true'; 1188: } 1189: $$imsitems{$idx}{'currversion'}=$numoldver; 1190: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1191: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1192: $$shown{$idx} = 1; 1193: } 1194: } else { 1195: if ($message) { 1196: my $spansize = 2; 1197: if ($showonlyunread && $prevread > $posttime) { 1198: $$notshown{$idx} = 1; 1199: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1200: $$notshown{$idx} = 1; 1201: } else { 1202: # apply filters 1203: my $uname = $contrib{$idx.':sendername'}; 1204: my $udom = $contrib{$idx.':senderdomain'}; 1205: my $poster = $uname.':'.$udom; 1206: if ($env{'form.totposters'} ne '') { 1207: if ($totposters == 0) { 1208: $$shown{$idx} = 0; 1209: } elsif ($totposters > 0) { 1210: if (grep/^$poster$/,@{$posters}) { 1211: $$shown{$idx} = 1; 1212: } 1213: } 1214: } elsif ($sortposts) { 1215: if ($skiptest) { 1216: $$shown{$idx} = 1; 1217: } else { 1218: foreach my $role (@{$$roleinfo{$poster}}) { 1219: if ($role =~ /^cc:/) { 1220: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1221: if ($role =~ /$cc_regexp/) { 1222: $$shown{$idx} = 1; 1223: last; 1224: } 1225: } elsif ($role =~ /^$rolematch$/) { 1226: $$shown{$idx} = 1; 1227: last; 1228: } 1229: } 1230: } 1231: if ($$shown{$idx} && !$skip_group_check) { 1232: my $showflag = 0; 1233: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1234: foreach my $grp (@{$grouppick}) { 1235: if (grep/^\Q$grp\E$/, 1236: keys(%{$$classgroups{$poster}{active}})) { 1237: $showflag = 1; 1238: last; 1239: } 1240: } 1241: } 1242: if ($showflag) { 1243: $$shown{$idx} = 1; 1244: } else { 1245: $$shown{$idx} = 0; 1246: } 1247: } 1248: } else { 1249: $$shown{$idx} = 1; 1250: } 1251: } 1252: unless ($$notshown{$idx} == 1) { 1253: if ($prevread > 0 && $prevread <= $posttime) { 1254: $$newitem{$idx} = 1; 1255: $$discussionitems[$idx] .= ' 1256: <table border="0" width="100%"> 1257: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>'; 1258: } else { 1259: $$newitem{$idx} = 0; 1260: $$discussionitems[$idx] .= ' 1261: <table border="0" width="100%"> 1262: <tr><td align="left"> </td>'; 1263: } 1264: $$discussionitems[$idx] .= '<td align="left">  '. 1265: '<b>'.$subject.'</b>  '. 1266: $sender.' '.$vgrlink.' ('. 1267: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1268: if ($$dischash{$toggkey}) { 1269: $$discussionitems[$idx].='<td align="right">  '. 1270: $ctlink.'</td>'; 1271: } 1272: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1273: $message.'</blockquote>'; 1274: if ($contrib{$idx.':history'}) { 1275: my @postversions = (); 1276: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1277: if ($seeid) { 1278: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1279: $$discussionitems[$idx] .= &group_args($group); 1280: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1281: } 1282: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1283: if ($contrib{$idx.':history'} =~ m/:/) { 1284: @postversions = split(/:/,$contrib{$idx.':history'}); 1285: } else { 1286: @postversions = ("$contrib{$idx.':history'}"); 1287: } 1288: for (my $i=0; $i<@postversions; $i++) { 1289: my $version = $i+1; 1290: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1291: } 1292: } 1293: } 1294: } 1295: } 1296: } 1297: } 1298: } 1299: } 1300: 1301: sub filter_regexp { 1302: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1303: my ($roleregexp,$secregexp,$statusregexp); 1304: my $skiptest = 1; 1305: if (@{$rolefilter} > 0) { 1306: my @okrolefilter = (); 1307: foreach my $role (@{$rolefilter}) { 1308: unless ($role eq '') { 1309: push(@okrolefilter, $role); 1310: } 1311: } 1312: if (@okrolefilter > 0) { 1313: if (grep/^all$/,@okrolefilter) { 1314: $roleregexp='[^:]+'; 1315: } else { 1316: if (@okrolefilter == 1) { 1317: $roleregexp=$okrolefilter[0]; 1318: } else { 1319: $roleregexp='('.join('|',@okrolefilter).')'; 1320: } 1321: $skiptest = 0; 1322: } 1323: } 1324: } 1325: if (@{$sectionpick} > 0) { 1326: my @oksectionpick = (); 1327: foreach my $sec (@{$sectionpick}) { 1328: unless ($sec eq '') { 1329: push(@oksectionpick, $sec); 1330: } 1331: } 1332: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1333: if (@oksectionpick == 1) { 1334: $secregexp = $oksectionpick[0]; 1335: } else { 1336: $secregexp .= '('.join('|',@oksectionpick).')'; 1337: } 1338: $skiptest = 0; 1339: } else { 1340: $secregexp .= '[^:]*'; 1341: } 1342: } 1343: 1344: if (defined($statusfilter) && $statusfilter ne '') { 1345: if ($statusfilter eq 'all') { 1346: $statusregexp = '[^:]+'; 1347: } else { 1348: $statusregexp = $statusfilter; 1349: $skiptest = 0; 1350: } 1351: } 1352: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1353: } 1354: 1355: 1356: sub get_post_contents { 1357: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1358: my $discussion = ''; 1359: my $start=$numver; 1360: my $end=$numver + 1; 1361: %{$$imsfiles{$idx}}=(); 1362: if ($type eq 'allversions') { 1363: unless($seeid) { 1364: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1365: return $discussion; 1366: } 1367: } 1368: # $$screenname=&Apache::loncommon::screenname( 1369: # $$contrib{$idx.':sendername'}, 1370: # $$contrib{$idx.':senderdomain'}); 1371: $$plainname=&Apache::loncommon::nickname( 1372: $$contrib{$idx.':sendername'}, 1373: $$contrib{$idx.':senderdomain'}); 1374: $$screenname=$$contrib{$idx.':screenname'}; 1375: 1376: my $sender=&Apache::loncommon::aboutmewrapper( 1377: $$plainname, 1378: $$contrib{$idx.':sendername'}, 1379: $$contrib{$idx.':senderdomain'}).' ('. 1380: $$contrib{$idx.':sendername'}.':'. 1381: $$contrib{$idx.':senderdomain'}.')'; 1382: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1383: my @postversions = (); 1384: if ($type eq 'allversions' || $type eq 'export') { 1385: $start = 0; 1386: if ($$contrib{$idx.':history'}) { 1387: @postversions = split(/:/,$$contrib{$idx.':history'}); 1388: } 1389: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1390: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1391: push(@postversions,$$contrib{$idx.':timestamp'}); 1392: $end = @postversions; 1393: } else { 1394: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1395: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1396: } 1397: 1398: if ($$contrib{$idx.':anonymous'}) { 1399: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1400: } 1401: if ($type eq 'allversions') { 1402: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1403: } 1404: for (my $i=$start; $i<$end; $i++) { 1405: my ($timesent,$attachmsg); 1406: my %currattach = (); 1407: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1408: unless (&contains_block_html($messages->{$i})) { 1409: &newline_to_br(\$messages->{$i}); 1410: } 1411: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1412: $$subjects{$i}=~s/\n/\<br \/\>/g; 1413: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1414: if ($attachmenturls) { 1415: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1416: } 1417: if ($type eq 'export') { 1418: $$imsfiles{$idx}{$i} = ''; 1419: if ($attachmsg) { 1420: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1421: foreach my $key (sort(keys(%currattach))) { 1422: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1423: my $fname = $1.$3.'/'.$4; 1424: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1425: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1426: } 1427: } 1428: } 1429: } else { 1430: if ($attachmsg) { 1431: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1432: } else { 1433: $$attachtxt{$i} = ''; 1434: } 1435: } 1436: if ($type eq 'allversions') { 1437: $discussion.= <<"END"; 1438: <li><b>$$subjects{$i}</b>, $timesent<br /> 1439: $$messages{$i}<br /> 1440: $$attachtxt{$i}</li> 1441: END 1442: } 1443: } 1444: if ($type eq 'allversions') { 1445: $discussion.='</ul>'; 1446: return $discussion; 1447: } else { 1448: return; 1449: } 1450: } 1451: 1452: sub replicate_attachments { 1453: my ($attachrefs,$tempexport) = @_; 1454: my $response; 1455: foreach my $id (keys(%{$attachrefs})) { 1456: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1457: my $path = $tempexport; 1458: my $tail = $1.'/'.$2.$4; 1459: my @extras = split(/\//,$tail); 1460: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1461: if (!-e $destination) { 1462: my $i= 0; 1463: while ($i<@extras) { 1464: $path .= '/'.$extras[$i]; 1465: if (!-e $path) { 1466: mkdir($path,0700); 1467: } 1468: $i ++; 1469: } 1470: my ($content,$rtncode); 1471: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1472: if ($uploadreply eq 'ok') { 1473: my $attachcopy; 1474: if ($attachcopy = Apache::File->new('>'.$destination)) { 1475: print $attachcopy $content; 1476: close($attachcopy); 1477: } else { 1478: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1479: } 1480: } else { 1481: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1482: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1483: } 1484: } 1485: } 1486: } 1487: return $response; 1488: } 1489: 1490: sub mail_screen { 1491: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1492: if (exists($env{'form.origpage'})) { 1493: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1494: } 1495: 1496: my %lt = &Apache::lonlocal::texthash( 1497: 'myqu' => 'My question/comment/feedback:', 1498: 'title' => 'Title', 1499: 'reta' => 'Retained attachments', 1500: 'atta' => 'Attachment', 1501: ); 1502: my $restitle = &get_resource_title($caller_symb,$feedurl); 1503: my $quote=''; 1504: my $subject = ''; 1505: my $comment = ''; 1506: my $prevtag = ''; 1507: my $parentmsg = ''; 1508: my ($symb,$idx,$attachmenturls); 1509: my $numoldver = 0; 1510: my $attachmsg = ''; 1511: my $newattachmsg = ''; 1512: my @currnewattach = (); 1513: my @currdelold = (); 1514: my @keepold = (); 1515: my %attachments = (); 1516: my %currattach = (); 1517: my $attachnum = 0; 1518: my $anonchk = (<<END); 1519: function anonchk() { 1520: for (var i=0; i < document.mailform.discuss.length; i++) { 1521: if (document.mailform.discuss[i].checked) { 1522: document.attachment.discuss.value = 1523: document.mailform.discuss[i].value; 1524: } 1525: } 1526: if (document.mailform.blog.checked) { 1527: document.attachment.blog.value = 1; 1528: } 1529: return 1530: } 1531: END 1532: my $anonscript; 1533: if (exists($env{'form.origpage'})) { 1534: $anonscript = (<<END); 1535: function setposttype() { 1536: var disc = "$env{'form.discuss'}"; 1537: for (var i=0; i < document.mailform.discuss.length; i++) { 1538: if (disc == document.mailform.discuss[i].value) { 1539: document.mailform.discuss[i].checked = 1; 1540: } 1541: } 1542: var blog = "$env{'form.blog'}"; 1543: if (blog == 1) { 1544: document.mailform.blog.checked=1; 1545: } 1546: return 1547: } 1548: END 1549: } else { 1550: $anonscript = (<<END); 1551: function setposttype() { 1552: return 1553: } 1554: END 1555: } 1556: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1557: if ($env{'form.replydisc'}) { 1558: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1559: } else { 1560: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1561: } 1562: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1563: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1564: $env{'course.'.$env{'request.course.id'}.'.num'}); 1565: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1566: if ($contrib{$idx.':history'}) { 1567: if ($contrib{$idx.':history'} =~ /:/) { 1568: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1569: $numoldver = @oldversions; 1570: } else { 1571: $numoldver = 1; 1572: } 1573: } 1574: if ($env{'form.replydisc'}) { 1575: if ($contrib{$idx.':history'}) { 1576: if ($contrib{$idx.':history'} =~ /:/) { 1577: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1578: $numoldver = @oldversions; 1579: } else { 1580: $numoldver = 1; 1581: } 1582: } 1583: if ($idx > 0) { 1584: my %msgversions = (); 1585: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1586: $quote = $msgversions{$numoldver}; 1587: } 1588: if ($idx > 0) { 1589: my %subversions = (); 1590: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1591: $subject = &mt('Re: ').$subversions{$numoldver}; 1592: } 1593: $subject = &HTML::Entities::encode($subject,'<>&"'); 1594: } else { 1595: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1596: if ($idx > 0) { 1597: my %msgversions = (); 1598: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1599: $comment = $msgversions{$numoldver}; 1600: my %subversions = (); 1601: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1602: $subject = $subversions{$numoldver}; 1603: } 1604: if (defined($contrib{$idx.':replyto'})) { 1605: $parentmsg = $contrib{$idx.':replyto'}; 1606: } 1607: unless (exists($env{'form.origpage'})) { 1608: my $anonflag = 'nonanon'; 1609: if ($contrib{$idx.':anonymous'}) { 1610: $anonflag = 'anon'; 1611: } 1612: $anonscript = (<<END); 1613: function setposttype () { 1614: var currtype = "$anonflag"; 1615: for (var i=0; i<document.mailform.discuss.length; i++) { 1616: if (document.mailform.elements.discuss[i].value == currtype ) { 1617: document.mailform.elements.discuss[i].checked=1; 1618: } 1619: } 1620: return 1621: } 1622: END 1623: } 1624: } 1625: } 1626: if ($env{'form.previous'}) { 1627: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1628: } 1629: } 1630: 1631: if ($env{'form.origpage'}) { 1632: $subject = &unescape($env{'form.subject'}); 1633: $comment = &unescape($env{'form.comment'}); 1634: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1635: } 1636: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1637: my $send=&mt('Send'); 1638: my $alert = &mt('Please select a feedback type.'); 1639: my $js= <<END; 1640: <script type="text/javascript"> 1641: // 1675: </script> 1676: END 1677: 1678: # Breadcrumbs 1679: my $brcrum = [{'href' => '', 1680: 'text' => 'Resource Feedback and Discussion'}]; 1681: 1682: my %onload = ('onload' => 'window.focus();setposttype();'); 1683: my $start_page= 1684: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1685: {'add_entries' => \%onload, 1686: 'bread_crumbs' => $brcrum,}); 1687: 1688: if ($quote ne '') { 1689: $quote = &HTML::Entities::decode($quote); 1690: unless (&contains_block_html($quote)) { 1691: &newline_to_br(\$quote); 1692: } 1693: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1694: } 1695: 1696: $r->print(<<END); 1697: $start_page 1698: <h2><tt>$restitle</tt></h2> 1699: <form action="/adm/feedback" method="post" name="mailform" 1700: enctype="multipart/form-data"> 1701: $prevtag 1702: <input type="hidden" name="postdata" value="$feedurl" /> 1703: END 1704: if ($env{'form.replydisc'}) { 1705: $r->print(<<END); 1706: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1707: END 1708: } elsif ($env{'form.editdisc'}) { 1709: $r->print(<<END); 1710: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1711: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1712: END 1713: } 1714: $r->print(<<END); 1715: $options<hr /> 1716: $quote 1717: <p>$lt{'myqu'}</p> 1718: <p> 1719: $latexHelp 1720: </p> 1721: <p> 1722: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1723: <p> 1724: <textarea name="comment" id="comment" cols="60" rows="10">$comment 1725: </textarea></p> 1726: END 1727: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1728: if ($env{'form.origpage'}) { 1729: foreach my $attach (@currnewattach) { 1730: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1731: } 1732: foreach my $oldatt (@currdelold) { 1733: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1734: } 1735: } 1736: if ($env{'form.editdisc'}) { 1737: if ($attachmenturls) { 1738: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1739: $attachnum = scalar(keys(%currattach)); 1740: foreach my $key (keys(%currattach)) { 1741: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1742: } 1743: } 1744: } 1745: } else { 1746: $r->print(<<END); 1747: <p> 1748: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1749: </p> 1750: END 1751: } 1752: if (exists($env{'form.group'})) { 1753: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1754: } 1755: if (exists($env{'form.ref'})) { 1756: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1757: } 1758: $r->print(<<END); 1759: <p> 1760: <input type="hidden" name="sendit" value="1" /> 1761: <input type="button" value="$send" onclick='gosubmit();' /> 1762: </p> 1763: </form> 1764: END 1765: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1766: my $now = time; 1767: my $ressymb = $symb; 1768: &Apache::lonenc::check_encrypt(\$ressymb); 1769: my $postidx = ''; 1770: if ($env{'form.editdisc'}) { 1771: $postidx = $idx; 1772: } 1773: if (@currnewattach > 0) { 1774: $attachnum += @currnewattach; 1775: } 1776: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1777: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1778: if ($attachnum > 0) { 1779: if (@currnewattach > 0) { 1780: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1781: if (@currnewattach > 1) { 1782: $newattachmsg .= '<ol>'; 1783: foreach my $item (@currnewattach) { 1784: $item =~ m#.*/([^/]+)$#; 1785: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1786: } 1787: $newattachmsg .= '</ol>'."\n"; 1788: } else { 1789: $currnewattach[0] =~ m#.*/([^/]+)$#; 1790: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1791: } 1792: } 1793: if ($attachmsg) { 1794: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1795: } 1796: if ($newattachmsg) { 1797: $r->print("$newattachmsg<br />"); 1798: } 1799: } 1800: } 1801: $r->print(&generate_preview_button(). 1802: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1803: &Apache::loncommon::end_page()); 1804: 1805: } 1806: 1807: sub print_display_options { 1808: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1809: &Apache::loncommon::content_type($r,'text/html'); 1810: $r->send_http_header; 1811: 1812: my $function = &Apache::loncommon::get_users_function(); 1813: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1814: $env{'user.domain'}); 1815: 1816: my %lt = &Apache::lonlocal::texthash( 1817: 'pref' => 'Display Preference', 1818: 'curr' => 'Current setting ', 1819: 'actn' => 'Action', 1820: 'deff' => 'Default for all discussions', 1821: 'prca' => 'Preferences can be set for this discussion that determine ....', 1822: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1823: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1824: 'wipa' => 'Whether individual posts can be marked as read/unread', 1825: 'allposts' => 'All posts', 1826: 'unread' => 'New posts only', 1827: 'unmark' => 'Posts not marked read', 1828: 'ondisp' => 'Once displayed', 1829: 'onmark' => 'Once marked not NEW', 1830: 'toggon' => 'Shown', 1831: 'toggoff' => 'Not shown', 1832: 'disa' => 'Posts displayed?', 1833: 'npmr' => 'New posts cease to be identified as "NEW"?', 1834: 'dotm' => 'Option to mark each post as read/unread?', 1835: 'chgt' => 'Change to ', 1836: 'mkdf' => 'Set to ', 1837: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1838: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1839: ); 1840: 1841: my $dispchangeA = $lt{'unread'}; 1842: my $dispchangeB = $lt{'unmark'}; 1843: my $markchange = $lt{'ondisp'}; 1844: my $toggchange = $lt{'toggon'}; 1845: my $currdisp = $lt{'allposts'}; 1846: my $currmark = $lt{'onmark'}; 1847: my $discdisp = 'allposts'; 1848: my $discmark = 'onmark'; 1849: my $currtogg = $lt{'toggoff'}; 1850: my $disctogg = 'toggoff'; 1851: 1852: if ($dispchgA eq 'allposts') { 1853: $dispchangeA = $lt{'allposts'}; 1854: $currdisp = $lt{'unread'}; 1855: $discdisp = 'unread'; 1856: } 1857: 1858: if ($markchg eq 'markonread') { 1859: $markchange = $lt{'onmark'}; 1860: $currmark = $lt{'ondisp'}; 1861: $discmark = 'ondisp'; 1862: } 1863: 1864: if ($dispchgB eq 'onlyunread') { 1865: $dispchangeB = $lt{'unread'}; 1866: $currdisp = $lt{'unmark'}; 1867: $discdisp = 'unmark'; 1868: } 1869: if ($toggchg eq 'toggoff') { 1870: $toggchange = $lt{'toggoff'}; 1871: $currtogg = $lt{'toggon'}; 1872: $disctogg = 'toggon'; 1873: } 1874: 1875: my $js = <<END; 1876: <script type="text/javascript"> 1877: function discdispChk(caller) { 1878: var disctogg = '$toggchg' 1879: if (caller == 0) { 1880: if (document.modifydisp.discdisp[0].checked == true) { 1881: if (document.modifydisp.discdisp[1].checked == true) { 1882: document.modifydisp.discdisp[1].checked = false 1883: } 1884: } 1885: } 1886: if (caller == 1) { 1887: if (document.modifydisp.discdisp[1].checked == true) { 1888: if (document.modifydisp.discdisp[0].checked == true) { 1889: document.modifydisp.discdisp[0].checked = false 1890: } 1891: if (disctogg == 'toggon') { 1892: document.modifydisp.disctogg.checked = true 1893: } 1894: if (disctogg == 'toggoff') { 1895: document.modifydisp.disctogg.checked = false 1896: } 1897: } 1898: } 1899: if (caller == 2) { 1900: var dispchgB = '$dispchgB' 1901: if (disctogg == 'toggoff') { 1902: if (document.modifydisp.disctogg.checked == true) { 1903: if (dispchgB == 'onlyunmark') { 1904: document.modifydisp.discdisp[1].checked = false 1905: } 1906: } 1907: } 1908: } 1909: } 1910: 1911: function setDisp() { 1912: var prev = "$previous" 1913: var chktotal = 0 1914: if (document.modifydisp.discdisp[0].checked == true) { 1915: document.modifydisp.$dispchgA.value = "$symb" 1916: chktotal ++ 1917: } 1918: if (document.modifydisp.discdisp[1].checked == true) { 1919: document.modifydisp.$dispchgB.value = "$symb" 1920: chktotal ++ 1921: } 1922: if (document.modifydisp.discmark.checked == true) { 1923: document.modifydisp.$markchg.value = "$symb" 1924: chktotal ++ 1925: } 1926: if (document.modifydisp.disctogg.checked == true) { 1927: document.modifydisp.$toggchg.value = "$symb" 1928: chktotal ++ 1929: } 1930: if (chktotal > 0) { 1931: document.modifydisp.submit() 1932: } else { 1933: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1934: if (prev > 0) { 1935: location.href = "$feedurl?previous=$previous" 1936: } else { 1937: location.href = "$feedurl" 1938: } 1939: } 1940: } 1941: } 1942: </script> 1943: END 1944: 1945: 1946: my $start_page = 1947: &Apache::loncommon::start_page('Discussion display options',$js); 1948: my $end_page = 1949: &Apache::loncommon::end_page(); 1950: $r->print(<<END); 1951: $start_page 1952: <form name="modifydisp" method="post" action="/adm/feedback"> 1953: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1954: <br /> 1955: END 1956: $r->print(&Apache::loncommon::start_data_table()); 1957: $r->print(<<END); 1958: <tr> 1959: <th>$lt{'pref'}</td> 1960: <th>$lt{'curr'}</td> 1961: <th>$lt{'actn'}?</td> 1962: </tr> 1963: END 1964: $r->print(&Apache::loncommon::start_data_table_row()); 1965: $r->print(<<END); 1966: <td>$lt{'disa'}</td> 1967: <td>$lt{$discdisp}</td> 1968: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1969: <br /> 1970: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1971: </td> 1972: END 1973: $r->print(&Apache::loncommon::end_data_table_row()); 1974: $r->print(&Apache::loncommon::start_data_table_row()); 1975: $r->print(<<END); 1976: <td>$lt{'npmr'}</td> 1977: <td>$lt{$discmark}</td> 1978: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1979: END 1980: $r->print(&Apache::loncommon::end_data_table_row()); 1981: $r->print(&Apache::loncommon::start_data_table_row()); 1982: $r->print(<<END); 1983: <td>$lt{'dotm'}</td> 1984: <td>$lt{$disctogg}</td> 1985: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1986: END 1987: my $save = &mt('Save'); 1988: $r->print(&Apache::loncommon::end_data_table_row()); 1989: $r->print(&Apache::loncommon::end_data_table()); 1990: $r->print(<<END); 1991: <br /> 1992: <br /> 1993: <input type="hidden" name="symb" value="$symb" /> 1994: <input type="hidden" name="previous" value="$previous" /> 1995: <input type="hidden" name="$dispchgA" value="" /> 1996: <input type="hidden" name="$dispchgB" value="" /> 1997: <input type="hidden" name="$markchg" value="" /> 1998: <input type="hidden" name="$toggchg" value="" /> 1999: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2000: END 2001: if (exists($env{'form.group'})) { 2002: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2003: } 2004: if (exists($env{'form.ref'})) { 2005: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2006: } 2007: $r->print(" 2008: <br /> 2009: <br /> 2010: </form> 2011: $end_page 2012: "); 2013: return; 2014: } 2015: 2016: sub print_sortfilter_options { 2017: my ($r,$symb,$previous,$feedurl) = @_; 2018: 2019: &Apache::loncommon::content_type($r,'text/html'); 2020: $r->send_http_header; 2021: 2022: &Apache::lonenc::check_encrypt(\$symb); 2023: my @sections; 2024: my $section_sel = ''; 2025: my $numvisible = 5; 2026: my @groups; 2027: my $group_sel = ''; 2028: my $numgroupvis = 5; 2029: my %sectioncount = &Apache::loncommon::get_sections(); 2030: my @courseroles = qw(st ad ep ta in); 2031: my $crstype = &Apache::loncommon::course_type(); 2032: my $ccrole = 'cc'; 2033: if ($crstype eq 'Community') { 2034: $ccrole = 'co'; 2035: } 2036: push(@courseroles,$ccrole); 2037: 2038: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2039: @sections = ('all',$env{'request.course.sec'}); 2040: $numvisible = 2; 2041: } else { 2042: @sections = sort {$a cmp $b} keys(%sectioncount); 2043: if (scalar(@sections) < 4) { 2044: $numvisible = scalar(@sections) + 1; 2045: } 2046: unshift(@sections,'all'); # Put 'all' at the front of the list 2047: 2048: } 2049: foreach my $sec (@sections) { 2050: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2051: } 2052: 2053: if (&check_group_priv() eq 'ok') { 2054: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2055: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2056: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2057: @groups = sort {$a cmp $b} keys(%curr_groups); 2058: if (scalar(@groups) < 4) { 2059: $numgroupvis = scalar(@groups) + 1; 2060: } 2061: unshift(@groups,'all'); # Put 'all' at the front of the list 2062: } else { 2063: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2064: if (@coursegroups > 0) { 2065: @coursegroups = sort {$a cmp $b} @coursegroups; 2066: @groups = ('all',@coursegroups); 2067: if (scalar(@groups) < 4) { 2068: $numgroupvis = scalar(@groups) + 1; 2069: } 2070: } else { 2071: @groups = ('all'); 2072: $numgroupvis = 1; 2073: } 2074: } 2075: foreach my $group (@groups) { 2076: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2077: } 2078: 2079: my $function = &Apache::loncommon::get_users_function(); 2080: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2081: $env{'user.domain'}); 2082: my %lt = &Apache::lonlocal::texthash( 2083: 'diop' => 'Display Options', 2084: 'curr' => 'Current setting ', 2085: 'actn' => 'Action', 2086: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2087: 'soor' => 'Sort order', 2088: 'spur' => 'Specific user roles', 2089: 'sprs' => 'Specific role status', 2090: 'spse' => 'Specific sections', 2091: 'spgr' => 'Specific groups', 2092: 'psub' => 'Pick specific users (by name)', 2093: 'shal' => 'Show a list of current posters', 2094: 'stor' => 'Save changes', 2095: ); 2096: 2097: my %sort_types = (); 2098: my %role_types = (); 2099: my %status_types = (); 2100: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2101: 2102: my $js = <<END; 2103: <script type="text/javascript"> 2104: function verifyFilter() { 2105: var rolenum = 0 2106: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2107: if (document.modifyshown.rolefilter.options[i].selected == true) { 2108: rolenum ++ 2109: } 2110: } 2111: if (rolenum == 0) { 2112: document.modifyshown.rolefilter.options[0].selected = true 2113: } 2114: 2115: var secnum = 0 2116: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2117: if (document.modifyshown.sectionpick.options[i].selected == true) { 2118: secnum ++ 2119: } 2120: } 2121: if (secnum == 0) { 2122: document.modifyshown.sectionpick.options[0].selected = true 2123: } 2124: 2125: var grpnum = 0 2126: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2127: if (document.modifyshown.grouppick.options[i].selected == true) { 2128: grpnum ++ 2129: } 2130: } 2131: if (grpnum == 0) { 2132: document.modifyshown.grouppick.options[0].selected = true 2133: } 2134: 2135: document.modifyshown.submit(); 2136: } 2137: </script> 2138: END 2139: 2140: my $start_page= 2141: &Apache::loncommon::start_page('Discussion options',$js); 2142: my $end_page= 2143: &Apache::loncommon::end_page(); 2144: 2145: $r->print(<<END); 2146: $start_page 2147: <form name="modifyshown" method="post" action="/adm/feedback"> 2148: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2149: <br /><br /> 2150: <table border="0"> 2151: <tr> 2152: <th>$lt{'soor'}</th> 2153: <th> </th> 2154: <th>$lt{'sprs'}</th> 2155: <th> </th> 2156: <th>$lt{'spur'}</th> 2157: <th> </th> 2158: <th>$lt{'spse'}</th> 2159: <th> </th> 2160: <th>$lt{'spgr'}</th> 2161: <th> </th> 2162: <th>$lt{'psub'}</th> 2163: </tr> 2164: <tr> 2165: <td align="center" valign="top"> 2166: <select name="sortposts"> 2167: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2168: <option value="descdate">$sort_types{'descdate'}</option> 2169: <option value="thread">$sort_types{'thread'}</option> 2170: <option value="subject">$sort_types{'subject'}</option> 2171: <option value="username">$sort_types{'username'}</option> 2172: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2173: </select> 2174: </td> 2175: <td> </td> 2176: <td align="center" valign="top"> 2177: <select name="statusfilter"> 2178: <option value="all" selected="selected">$status_types{'all'}</option> 2179: <option value="Active">$status_types{'Active'}</option> 2180: <option value="Expired">$status_types{'Expired'}</option> 2181: <option value="Future">$status_types{'Future'}</option> 2182: </select> 2183: </td> 2184: <td> </td> 2185: <td align="center" valign="top"> 2186: <select name="rolefilter" multiple="multiple" size="5"> 2187: <option value="all">$role_types{'all'}</option> 2188: <option value="st">$role_types{'st'}</option> 2189: <option value="$ccrole">$role_types{$ccrole}</option> 2190: <option value="in">$role_types{'in'}</option> 2191: <option value="ta">$role_types{'ta'}</option> 2192: <option value="ep">$role_types{'ep'}</option> 2193: <option value="ad">$role_types{'ad'}</option> 2194: <option value="cr">$role_types{'cr'}</option> 2195: </select> 2196: </td> 2197: <td> </td> 2198: <td align="center" valign="top"> 2199: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2200: $section_sel 2201: </select> 2202: </td> 2203: <td> </td> 2204: <td align="center" valign="top"> 2205: <select name="grouppick" multiple="multiple" size="$numvisible"> 2206: $group_sel 2207: </select> 2208: </td> 2209: <td> </td> 2210: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2211: </tr> 2212: </table> 2213: <br /> 2214: <br /> 2215: <input type="hidden" name="previous" value="$previous" /> 2216: <input type="hidden" name="applysort" value="$symb" /> 2217: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2218: END 2219: if (exists($env{'form.group'})) { 2220: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2221: } 2222: if (exists($env{'form.ref'})) { 2223: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2224: } 2225: $r->print(" 2226: <br /> 2227: <br /> 2228: </form> 2229: $end_page 2230: "); 2231: } 2232: 2233: sub print_showposters { 2234: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2235: 2236: &Apache::loncommon::content_type($r,'text/html'); 2237: $r->send_http_header; 2238: 2239: &Apache::lonenc::check_encrypt(\$symb); 2240: my $crs='/'.$env{'request.course.id'}; 2241: if ($env{'request.course.sec'}) { 2242: $crs.='_'.$env{'request.course.sec'}; 2243: } 2244: $crs=~s/\_/\//g; 2245: my $seeid; 2246: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2247: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2248: my $group = $env{'form.group'}; 2249: my $ressymb = &wrap_symb($symb); 2250: if (($group ne '') && 2251: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2252: if (&check_group_priv($group,'dgp') eq 'ok') { 2253: $seeid = 1; 2254: } 2255: } else { 2256: $seeid=&Apache::lonnet::allowed('rin',$crs); 2257: } 2258: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2259: $cdom,$cnum); 2260: my %namesort = (); 2261: my %postcounts = (); 2262: 2263: my %lt = &Apache::lonlocal::texthash( 2264: sele => 'Select', 2265: full => 'Fullname', 2266: usdo => 'Username:domain', 2267: post => 'Posts', 2268: ); 2269: if ($contrib{'version'}) { 2270: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2271: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2272: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2273: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2274: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2275: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2276: my $lastname = $names{'lastname'}; 2277: my $firstname = $names{'firstname'}; 2278: if ($lastname eq '') { 2279: $lastname = '_'; 2280: } 2281: if ($firstname eq '') { 2282: $firstname = '_'; 2283: } 2284: unless (defined($namesort{$lastname})) { 2285: %{$namesort{$lastname}} = (); 2286: } 2287: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2288: $postcounts{$poster} ++; 2289: if (defined($namesort{$lastname}{$firstname})) { 2290: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2291: push(@{$namesort{$lastname}{$firstname}}, $poster); 2292: } 2293: } else { 2294: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2295: } 2296: } 2297: } 2298: } 2299: } 2300: 2301: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2302: my $table_start =&Apache::loncommon::start_data_table(); 2303: $r->print(<<END); 2304: $start_page 2305: <form name="pickpostersform" method="post"> 2306: <br /> 2307: $table_start 2308: <tr> 2309: <th>#</th> 2310: <th>$lt{'sele'}</th> 2311: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2312: <th>$lt{'post'}</th> 2313: </tr> 2314: END 2315: my $count = 0; 2316: foreach my $last (sort(keys(%namesort))) { 2317: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2318: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2319: my ($uname,$udom) = split(/:/,$user); 2320: if (!$uname || !$udom) { 2321: next; 2322: } else { 2323: $count ++; 2324: $r->print(&Apache::loncommon::start_data_table_row(). 2325: '<td align="right">'.$count.'</td> 2326: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2327: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2328: <td>'.$postcounts{$user}.'</td>'. 2329: &Apache::loncommon::end_data_table_row()); 2330: } 2331: } 2332: } 2333: } 2334: $r->print(&Apache::loncommon::end_data_table()); 2335: my $end_page = &Apache::loncommon::end_page(); 2336: $r->print(<<END); 2337: <br /> 2338: <input type="hidden" name="sortposts" value="$sortposts" /> 2339: <input type="hidden" name="userpick" value="$symb" /> 2340: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2341: </form> 2342: $end_page 2343: END 2344: } 2345: 2346: sub get_post_versions { 2347: my ($versions,$incoming,$htmldecode,$numver) = @_; 2348: if ($incoming =~ /^<version num="0">/) { 2349: my $p = HTML::LCParser->new(\$incoming); 2350: my $done = 0; 2351: 2352: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2353: my $num = $token->[1]{num}; 2354: my $text = $p->get_text("/version"); 2355: if (defined($numver)) { 2356: if ($num == $numver) { 2357: if ($htmldecode) { 2358: $text = &HTML::Entities::decode($text); 2359: } 2360: $$versions{$numver}=$text; 2361: $done = 1; 2362: } 2363: } else { 2364: if ($htmldecode) { 2365: $text = &HTML::Entities::decode($text); 2366: } 2367: $$versions{$num}=$text; 2368: } 2369: } 2370: } else { 2371: if (!defined($numver)) { 2372: $numver = 0; 2373: } 2374: if ($htmldecode) { 2375: $$versions{$numver} = $incoming; 2376: } else { 2377: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2378: } 2379: } 2380: return; 2381: } 2382: 2383: sub get_post_attachments { 2384: my ($attachments,$attachmenturls) = @_; 2385: my $num; 2386: if ($attachmenturls =~ m/^<attachment id="0">/) { 2387: my $p = HTML::LCParser->new(\$attachmenturls); 2388: while (my $token = $p->get_tag("attachment","filename","post")) { 2389: if ($token->[0] eq "attachment") { 2390: $num = $token->[1]{id}; 2391: %{$$attachments{$num}} =(); 2392: } elsif ($token->[0] eq "filename") { 2393: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2394: } elsif ($token->[0] eq "post") { 2395: my $id = $token->[1]{id}; 2396: $$attachments{$num}{$id} = $p->get_text("/post"); 2397: } 2398: } 2399: } else { 2400: %{$$attachments{'0'}} = (); 2401: $$attachments{'0'}{'filename'} = $attachmenturls; 2402: $$attachments{'0'}{'0'} = 'n'; 2403: } 2404: 2405: return; 2406: } 2407: 2408: sub fail_redirect { 2409: my ($r,$feedurl) = @_; 2410: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2411: my %lt = &Apache::lonlocal::texthash( 2412: 'sorr' => 'Sorry, no recipients ...', 2413: ); 2414: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2415: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2416: {'redirect' => [2,$feedurl], 2417: 'only_body' => 1,})); 2418: $r->print(<<ENDFAILREDIR); 2419: <img align="right" src="$logo" /> 2420: <b>$lt{'sorr'}</b> 2421: ENDFAILREDIR 2422: $r->print(&Apache::loncommon::end_page()); 2423: } 2424: 2425: sub redirect_back { 2426: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2427: my $sorttag = ''; 2428: my $roletag = ''; 2429: my $statustag = ''; 2430: my $sectag = ''; 2431: my $grptag = ''; 2432: my $userpicktag = ''; 2433: my $qrystr = ''; 2434: my $prevtag = ''; 2435: 2436: &Apache::loncommon::content_type($r,'text/html'); 2437: $r->send_http_header; 2438: &dewrapper(\$feedurl); 2439: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2440: if ($previous > 0) { 2441: $qrystr = 'previous='.$previous; 2442: if ($feedurl =~ /\?register=1/) { 2443: $feedurl .= '&'.$qrystr; 2444: } else { 2445: $feedurl .= '?'.$qrystr; 2446: } 2447: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2448: } 2449: if (defined($sort)) { 2450: my $sortqry = 'sortposts='.$sort; 2451: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2452: $feedurl .= '&'.$sortqry; 2453: } else { 2454: $feedurl .= '?'.$sortqry; 2455: } 2456: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2457: if (defined($numpicks)) { 2458: my $userpickqry = 'totposters='.$numpicks; 2459: $feedurl .= '&'.$userpickqry; 2460: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2461: } else { 2462: if (ref($sectionpick) eq 'ARRAY') { 2463: $feedurl .= '&sectionpick='; 2464: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2465: foreach my $sec (@{$sectionpick}) { 2466: $feedurl .= $sec.','; 2467: $sectag .= $sec.','; 2468: } 2469: $feedurl =~ s/,$//; 2470: $sectag =~ s/,$//; 2471: $sectag .= '" />'; 2472: } else { 2473: $feedurl .= '&sectionpick='.$sectionpick; 2474: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2475: } 2476: if (ref($grouppick) eq 'ARRAY') { 2477: $feedurl .= '&grouppick='; 2478: $sectag .= '<input type="hidden" name="grouppick" value="'; 2479: foreach my $grp (@{$grouppick}) { 2480: $feedurl .= $grp.','; 2481: $grptag .= $grp.','; 2482: } 2483: $feedurl =~ s/,$//; 2484: $grptag =~ s/,$//; 2485: $grptag .= '" />'; 2486: } else { 2487: $feedurl .= '&grouppick='.$grouppick; 2488: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2489: } 2490: if (ref($rolefilter) eq 'ARRAY') { 2491: $feedurl .= '&rolefilter='; 2492: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2493: foreach my $role (@{$rolefilter}) { 2494: $feedurl .= $role.','; 2495: $roletag .= $role.','; 2496: } 2497: $feedurl =~ s/,$//; 2498: $roletag =~ s/,$//; 2499: $roletag .= '" />'; 2500: } else { 2501: $feedurl .= '&rolefilter='.$rolefilter; 2502: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2503: } 2504: $feedurl .= '&statusfilter='.$statusfilter; 2505: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2506: } 2507: } 2508: my $grouptag; 2509: if ($group ne '') { 2510: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2511: my $refarg; 2512: if (exists($env{'form.ref'})) { 2513: $refarg = '&ref='.$env{'form.ref'}; 2514: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2515: } 2516: if ($feedurl =~ /\?/) { 2517: $feedurl .= '&group='.$group.$refarg; 2518: } else { 2519: $feedurl .= '?group='.$group.$refarg; 2520: } 2521: } 2522: &Apache::lonenc::check_encrypt(\$feedurl); 2523: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2524: my %onload; 2525: my $start_page= 2526: &Apache::loncommon::start_page('Feedback sent',undef, 2527: {'redirect' => [0,$feedurl], 2528: 'only_body' => 1, 2529: 'add_entries' => \%onload}); 2530: my $end_page = &Apache::loncommon::end_page(); 2531: $r->print(<<ENDREDIR); 2532: $start_page 2533: <img align="right" src="$logo" /> 2534: $typestyle 2535: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2536: $blog 2537: $toolarge 2538: <font color="red">$status</font> 2539: <form name="reldt" action="$feedurl" target="loncapaclient"> 2540: $prevtag 2541: $sorttag 2542: $statustag 2543: $roletag 2544: $sectag 2545: $grptag 2546: $userpicktag 2547: $grouptag 2548: </form> 2549: $end_page 2550: ENDREDIR 2551: } 2552: 2553: sub no_redirect_back { 2554: my ($r,$feedurl) = @_; 2555: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2556: 2557: my %onload; 2558: 2559: my %body_options = ('only_body' => 1, 2560: 'bgcolor' => '#FFFFFF', 2561: 'add_entries' => \%onload,); 2562: 2563: if ($feedurl !~ m{^/adm/feedback}) { 2564: $body_options{'rediect'} = [2,$feedurl]; 2565: } 2566: my $start_page= 2567: &Apache::loncommon::start_page('Feedback not sent',undef, 2568: \%body_options); 2569: 2570: my $end_page = &Apache::loncommon::end_page(); 2571: 2572: &Apache::lonenc::check_encrypt(\$feedurl); 2573: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2574: $r->print (<<ENDNOREDIRTWO); 2575: $start_page 2576: <img align="right" src="$logo" /> 2577: <b>$nofeed</b> 2578: <br /> 2579: $end_page 2580: ENDNOREDIRTWO 2581: } 2582: 2583: sub screen_header { 2584: my ($feedurl,$symb) = @_; 2585: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2586: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2587: my $contribdisc = &mt('Contribution to course discussion of resource'); 2588: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2589: my $namevis = &mt('name only visible to course faculty'); 2590: my $crstype; 2591: if ($env{'request.course.id'}) { 2592: $crstype = &Apache::loncommon::course_type(); 2593: if ($crstype eq 'Community') { 2594: $crscontent = &mt('Question/Comment/Feedback about community content'); 2595: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2596: $contribdisc = &mt('Contribution to community discussion of resource'); 2597: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2598: $namevis = &mt('name only visible to community facilitators'); 2599: } 2600: } 2601: my $msgoptions=''; 2602: my $discussoptions=''; 2603: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2604: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2605: $msgoptions= 2606: '<p><label><input type="radio" name="discuss" value="author" /> '. 2607: &mt('Feedback to resource author').'</label></p>'; 2608: } 2609: my %optionhash=(); 2610: foreach my $type ('question','comment','policy') { 2611: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2612: } 2613: if (&feedback_available(1)) { 2614: $msgoptions.= 2615: '<p><label><input type="radio" name="discuss" value="question" /> '. 2616: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2617: } 2618: if (&feedback_available(0,1)) { 2619: $msgoptions.= 2620: '<p><label><input type="radio" name="discuss" value="course" /> '. 2621: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2622: '</label></p>'; 2623: } 2624: if (&feedback_available(0,0,1)) { 2625: $msgoptions.= 2626: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2627: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2628: '</label></p>'; 2629: } 2630: } 2631: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2632: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2633: if (!$blocked && &discussion_open(undef,$symb) && 2634: &Apache::lonnet::allowed('pch', 2635: $env{'request.course.id'}. 2636: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2637: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2638: $contribdisc. 2639: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2640: $anoncontrib. 2641: ' <i>('.$namevis.')</i></label> '. 2642: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2643: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2644: if (!$blockblog) { 2645: $discussoptions.= &add_blog_checkbox($crstype); 2646: } 2647: } 2648: } 2649: if ($msgoptions) { 2650: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2651: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2652: .$msgoptions; 2653: } 2654: if ($discussoptions) { 2655: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2656: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2657: .$discussoptions; 2658: } 2659: return $msgoptions.$discussoptions; 2660: } 2661: 2662: sub resource_output { 2663: my ($feedurl) = @_; 2664: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2665: $usersaw=~s/\<body[^\>]*\>//gi; 2666: $usersaw=~s/\<\/body\>//gi; 2667: $usersaw=~s/\<html\>//gi; 2668: $usersaw=~s/\<\/html\>//gi; 2669: $usersaw=~s/\<head\>//gi; 2670: $usersaw=~s/\<\/head\>//gi; 2671: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2672: return $usersaw; 2673: } 2674: 2675: sub clear_out_html { 2676: my ($message,$override,$ignore_htmlarea)=@_; 2677: if (!$ignore_htmlarea 2678: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2679: # Always allow the <m>-tag 2680: my %html=(M=>1); 2681: # Check if more is allowed 2682: my $cid=$env{'request.course.id'}; 2683: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2684: ($override)) { 2685: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2686: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2687: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2688: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2689: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2690: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2691: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2692: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2693: } 2694: # Do the substitution of everything that is not explicitly allowed 2695: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2696: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2697: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2698: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2699: return $message; 2700: } 2701: 2702: sub assemble_email { 2703: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2704: my %lt = &Apache::lonlocal::texthash( 2705: 'prev' => 'Previous attempts of student (if applicable)', 2706: 'orig' => 'Original screen output (if applicable)', 2707: 'corr' => 'Correct Answer(s) (if applicable)', 2708: ); 2709: if (&Apache::loncommon::course_type() eq 'Community') { 2710: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2711: } 2712: my $email=<<"ENDEMAIL"; 2713: $message 2714: ENDEMAIL 2715: my $citations=<<"ENDCITE"; 2716: <h2>$lt{'prev'}</h2> 2717: $prevattempts 2718: <br /><hr /> 2719: <h2>$lt{'orig'}</h2> 2720: $usersaw 2721: <h2>$lt{'corr'}</h2> 2722: $useranswer 2723: ENDCITE 2724: return ($email,$citations); 2725: } 2726: 2727: 2728: sub feedback_available { 2729: my ($question,$course,$policy)=@_; 2730: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2731: $course,$policy); 2732: return scalar(%to); 2733: } 2734: 2735: sub send_msg { 2736: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2737: my $status=''; 2738: my $sendsomething=0; 2739: my $restitle = &get_resource_title($symb,$feedurl); 2740: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2741: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2742: foreach my $key (keys(%to)) { 2743: if ($key) { 2744: my ($user,$domain) = split(/\:/,$key,2); 2745: if (!defined($user)) { 2746: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2747: } elsif (!defined($domain)) { 2748: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2749: } else { 2750: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2751: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2752: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2753: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2754: } else { 2755: $sendsomething++; 2756: } 2757: } 2758: } 2759: } 2760: 2761: 2762: my %record=&Apache::lonnet::restore('_feedback'); 2763: my ($temp)=keys(%record); 2764: unless ($temp=~/^error\:/) { 2765: my %newrecord=(); 2766: $newrecord{'resource'}=$feedurl; 2767: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2768: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2769: $status.='<br />'.&mt('Not registered').'<br />'; 2770: } 2771: } 2772: 2773: return ($status,$sendsomething); 2774: } 2775: 2776: sub adddiscuss { 2777: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2778: my $status=''; 2779: my $realsymb; 2780: if ($symb=~/^bulletin___/) { 2781: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2782: $filename=~s|^adm/wrapper/||; 2783: $realsymb=&Apache::lonnet::symbread($filename); 2784: } 2785: if (&discussion_open(undef,$realsymb) && 2786: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2787: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2788: 2789: my %contrib=('message' => $email, 2790: 'sendername' => $env{'user.name'}, 2791: 'senderdomain' => $env{'user.domain'}, 2792: 'screenname' => $env{'environment.screenname'}, 2793: 'plainname' => $env{'environment.firstname'}.' '. 2794: $env{'environment.middlename'}.' '. 2795: $env{'environment.lastname'}.' '. 2796: $env{'enrironment.generation'}, 2797: 'attachmenturl'=> $attachmenturl, 2798: 'subject' => $subject); 2799: if ($env{'form.replydisc'}) { 2800: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2801: } 2802: if ($anon) { 2803: $contrib{'anonymous'}='true'; 2804: } 2805: if (($symb) && ($email)) { 2806: my $now = time; 2807: if ($env{'form.editdisc'}) { 2808: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2809: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2810: $contrib{'timestamp'} = $now; 2811: $contrib{'history'} = ''; 2812: my $numoldver = 0; 2813: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2814: &Apache::lonenc::check_decrypt(\$oldsymb); 2815: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2816: # get timestamp for last post and history 2817: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2818: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2819: $env{'course.'.$env{'request.course.id'}.'.num'}); 2820: if (defined($oldcontrib{$oldidx.':replyto'})) { 2821: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2822: } 2823: if (defined($oldcontrib{$oldidx.':history'})) { 2824: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2825: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2826: $numoldver = @oldversions; 2827: } else { 2828: $numoldver = 1; 2829: } 2830: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2831: } 2832: my $numnewver = $numoldver + 1; 2833: if (defined($oldcontrib{$oldidx.':subject'})) { 2834: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2835: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2836: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2837: } else { 2838: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2839: } 2840: } 2841: if (defined($oldcontrib{$oldidx.':message'})) { 2842: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2843: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2844: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2845: } else { 2846: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2847: } 2848: } 2849: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2850: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2851: $oldsymb,$oldidx,\%contrib, 2852: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2853: $env{'course.'.$env{'request.course.id'}.'.num'}); 2854: $status='Editing class discussion'.($anon?' (anonymous)':''); 2855: } else { 2856: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2857: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2858: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2859: $env{'course.'.$env{'request.course.id'}.'.num'}); 2860: } 2861: my %storenewentry=($symb => $now); 2862: $status.='<br />'.&mt('Updating discussion time').': '. 2863: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2864: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2865: $env{'course.'.$env{'request.course.id'}.'.num'}); 2866: } 2867: my %record=&Apache::lonnet::restore('_discussion'); 2868: my ($temp)=keys(%record); 2869: unless ($temp=~/^error\:/) { 2870: my %newrecord=(); 2871: $newrecord{'resource'}=$symb; 2872: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2873: $status.='<br />'.&mt('Registering').': '. 2874: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2875: } 2876: } else { 2877: $status.='Failed.'; 2878: } 2879: return $status.'<br />'; 2880: } 2881: 2882: sub get_discussion_info { 2883: my ($idx,%contrib) = @_; 2884: my $changelast = 0; 2885: my $count = 0; 2886: my $hiddenflag = 0; 2887: my $deletedflag = 0; 2888: my ($hidden,$deleted,%info,$newlastdisc); 2889: my $version = $contrib{'version'}; 2890: if ($version) { 2891: for (my $id=$version; $id>0; $id--) { 2892: my $vkeys=$contrib{$id.':keys'}; 2893: my @keys=split(/:/,$vkeys); 2894: if (grep(/^hidden$/,@keys)) { 2895: if (!$hiddenflag) { 2896: $hidden = $contrib{$id.':hidden'}; 2897: $hiddenflag = 1; 2898: } 2899: } elsif (grep(/^deleted$/,@keys)) { 2900: if (!$deletedflag) { 2901: $deleted = $contrib{$id.':deleted'}; 2902: $deletedflag = 1; 2903: } 2904: } else { 2905: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2906: $count++; 2907: $info{$count}{'id'} = $id; 2908: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2909: } 2910: } 2911: } 2912: if ($info{'1'}{'id'} == $idx) { 2913: $changelast = 1; 2914: if ($count > 1) { 2915: $newlastdisc = $info{'2'}{'timestamp'}; 2916: } else { 2917: $newlastdisc = 0; 2918: } 2919: } 2920: } 2921: return ($changelast,$newlastdisc); 2922: } 2923: 2924: # ----------------------------------------------------------- Preview function 2925: 2926: sub show_preview { 2927: my ($r) = @_; 2928: &Apache::loncommon::content_type($r,'text/html'); 2929: $r->send_http_header; 2930: my $start_page= 2931: &Apache::loncommon::start_page('Preview',undef, 2932: {'only_body' => 1,}); 2933: 2934: my $message=&clear_out_html($env{'form.comment'}); 2935: &newline_to_br(\$message); 2936: $message=&Apache::lonspeller::markeduptext($message); 2937: $message=&Apache::lontexconvert::msgtexconverted($message); 2938: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2939: $subject=~s/\n/\<br \/\>/g; 2940: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2941: 2942: my $end_page = &Apache::loncommon::end_page(); 2943: 2944: $r->print($start_page 2945: .'<h1>'.&mt('Preview').'</h1>' 2946: .&Apache::lonhtmlcommon::start_pick_box() 2947: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2948: .$subject 2949: .&Apache::lonhtmlcommon::row_closure() 2950: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2951: .$message 2952: .&Apache::lonhtmlcommon::row_closure(1) 2953: .&Apache::lonhtmlcommon::end_pick_box() 2954: .$end_page 2955: ); 2956: } 2957: 2958: sub contains_block_html { 2959: my ($message)=@_; 2960: return ($message =~ m{ 2961: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 2962: \s* 2963: (\w+\=['"]\w+['"])* 2964: \s* 2965: ( 2966: \s*/>| 2967: >.*</\1\s*> 2968: )}xs 2969: ); 2970: } 2971: 2972: sub tidy_html { 2973: my ($message)=@_; 2974: # my $tidy = HTML::Tidy::libXML->new(); 2975: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 2976: # $xhtml =~ m/<body>(.*)<\/body>/is; 2977: # my $clean = $1; 2978: # # remove any empty block-level tags 2979: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 2980: # $message=$clean; 2981: return $message; 2982: } 2983: 2984: sub newline_to_br { 2985: my ($message)=@_; 2986: my $newmessage; 2987: my $parser=HTML::LCParser->new($message); 2988: while (my $token=$parser->get_token()) { 2989: if ($token->[0] eq 'T') { 2990: my $text=$token->[1]; 2991: $text=~s/\n/\<br \/\>/g; 2992: $newmessage.=$text; 2993: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2994: $newmessage.=$token->[1]; 2995: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2996: $newmessage.=$token->[2]; 2997: } elsif ($token->[0] eq 'S') { 2998: $newmessage.=$token->[4]; 2999: } 3000: 3001: } 3002: $$message=$newmessage; 3003: } 3004: 3005: sub generate_preview_button { 3006: my ($formname,$fieldname)=@_; 3007: unless ($formname) { $formname='mailform'; } 3008: unless ($fieldname) { $fieldname='comment'; } 3009: my $pre=&mt("Show Preview and Check Spelling"); 3010: return(<<ENDPREVIEW); 3011: <br /> 3012: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3013: <input type="hidden" name="subject" /> 3014: <input type="hidden" name="comment" /> 3015: <input type="button" value="$pre" 3016: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3017: </form> 3018: ENDPREVIEW 3019: } 3020: 3021: sub modify_attachments { 3022: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3023: $attachmaxtext,$toolarge)=@_; 3024: 3025: my %lt = &Apache::lonlocal::texthash( 3026: 'subj' => 'Subject', 3027: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3028: 'chth' => 'Check the checkboxes for any you wish to remove.', 3029: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3030: 'adda' => 'Add a new attachment to this post.', 3031: 'stch' => 'Save Changes', 3032: ); 3033: my $js = <<END; 3034: <script type="text/javascript"> 3035: function setAction () { 3036: document.modattachments.action = document.modattachments.origpage.value; 3037: document.modattachments.submit(); 3038: } 3039: </script> 3040: END 3041: 3042: # Breadcrumbs 3043: my $brcrum = [{'href' => '', 3044: 'text' => 'Discussion Post Attachments'}]; 3045: my $start_page = 3046: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3047: {'bread_crumbs' => $brcrum,}); 3048: 3049: my $orig_subject = &unescape($env{'form.subject'}); 3050: my $subject=&clear_out_html($orig_subject,undef,1); 3051: $subject=~s/\n/\<br \/\>/g; 3052: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3053: my $timestamp=$env{'form.timestamp'}; 3054: my $numoldver=$env{'form.numoldver'}; 3055: 3056: my $msg = ''; 3057: my %attachments = (); 3058: my %currattach = (); 3059: if ($idx) { 3060: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3061: } 3062: &Apache::lonenc::check_encrypt(\$symb); 3063: 3064: my $end_page = 3065: &Apache::loncommon::end_page(); 3066: 3067: $r->print(<<END); 3068: $start_page 3069: $toolarge 3070: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3071: <br /> 3072: <table class="LC_data_table"> 3073: <tr> 3074: <td colspan="2"> 3075: <b>Subject:</b> <b>$subject</b><br /><br /> 3076: END 3077: if ($idx) { 3078: if ($attachmenturls) { 3079: my @currold = keys(%currattach); 3080: if (@currold > 0) { 3081: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3082: foreach my $id (@currold) { 3083: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3084: $attachurl =~ m#/([^/]+)$#; 3085: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3086: } 3087: $r->print("<br />"); 3088: } 3089: } 3090: } 3091: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3092: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3093: foreach my $attach (@{$currnewattach}) { 3094: $attach =~ m#/([^/]+)$#; 3095: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3096: } 3097: $r->print("<br />"); 3098: } 3099: $r->print(<<END); 3100: </td></tr> 3101: <tr> 3102: <td> 3103: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3104: </td> 3105: </tr> 3106: <tr> 3107: <td colspan="2">$attachmaxtext</td> 3108: </tr> 3109: </table> 3110: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3111: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3112: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3113: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3114: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3115: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3116: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3117: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3118: END 3119: foreach my $item (@{$currnewattach}) { 3120: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3121: } 3122: foreach my $item (@{$currdelold}) { 3123: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3124: } 3125: $r->print(<<END); 3126: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3127: </form> 3128: $end_page 3129: END 3130: return; 3131: } 3132: 3133: sub process_attachments { 3134: my ($currnewattach,$currdelold,$keepold) = @_; 3135: 3136: @{$currnewattach}= 3137: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3138: @{$currdelold}= 3139: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3140: if (exists($env{'form.delnewattach'})) { 3141: my @currdelnew = 3142: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3143: my @currnew = (); 3144: foreach my $newone (@{$currnewattach}) { 3145: my $delflag = 0; 3146: foreach my $item (@currdelnew) { 3147: if ($newone eq $item) { 3148: $delflag = 1; 3149: last; 3150: } 3151: } 3152: unless ($delflag) { 3153: push(@currnew, $newone); 3154: } 3155: } 3156: @{$currnewattach} = @currnew; 3157: } 3158: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3159: } 3160: 3161: sub generate_attachments_button { 3162: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3163: $numoldver,$mode,$blockblog) = @_; 3164: my $origpage = $ENV{'REQUEST_URI'}; 3165: my $att=$attachnum.' '.&mt("attachments"); 3166: my %lt = &Apache::lonlocal::texthash( 3167: 'clic' => 'Click to add/remove attachments', 3168: ); 3169: my $response = (<<END); 3170: <br /> 3171: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3172: $lt{'clic'}: <input type="button" value="$att" 3173: 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); 3174: END 3175: if (!$blockblog) { 3176: $response .= 'setblogvalue();'; 3177: } 3178: unless ($mode eq 'board') { 3179: $response .= 'javascript:anonchk();'; 3180: } 3181: $response .= (<<ENDATTACH); 3182: this.form.submit();" /> 3183: <input type="hidden" name="origpage" value="$origpage" /> 3184: <input type="hidden" name="idx" value="$idx" /> 3185: <input type="hidden" name="timestamp" value="$now" /> 3186: <input type="hidden" name="subject" /> 3187: <input type="hidden" name="comment" /> 3188: <input type="hidden" name="blog" value="0" /> 3189: <input type="hidden" name="discuss" value="0" /> 3190: <input type="hidden" name="numoldver" value="$numoldver" /> 3191: ENDATTACH 3192: if (defined($deloldattach)) { 3193: if (@{$deloldattach} > 0) { 3194: foreach my $delatt (@{$deloldattach}) { 3195: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3196: } 3197: } 3198: } 3199: if (defined($currnewattach)) { 3200: if (@{$currnewattach} > 0) { 3201: foreach my $attach (@{$currnewattach}) { 3202: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3203: } 3204: } 3205: } 3206: $response .= '</form>'; 3207: return $response; 3208: } 3209: 3210: sub extract_attachments { 3211: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3212: %{$attachments}=(); 3213: &get_post_attachments($attachments,$attachmenturls); 3214: foreach my $id (sort(keys(%{$attachments}))) { 3215: if (exists($$attachments{$id}{$numoldver})) { 3216: if (defined($currdelold)) { 3217: if (@{$currdelold} > 0) { 3218: unless (grep/^$id$/,@{$currdelold}) { 3219: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3220: } 3221: } else { 3222: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3223: } 3224: } else { 3225: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3226: } 3227: } 3228: } 3229: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3230: if (@attached == 1) { 3231: my $id = $attached[0]; 3232: my $attachurl; 3233: if ($attachmenturls =~ m/^<attachment id="0">/) { 3234: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3235: } else { 3236: $attachurl = $$attachments{$id}{'filename'}; 3237: } 3238: $attachurl=~m|/([^/]+)$|; 3239: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3240: $1.'</tt></a><br />'; 3241: &Apache::lonnet::allowuploaded('/adm/feedback', 3242: $attachurl); 3243: } elsif (@attached > 1) { 3244: $$message.='<ol>'; 3245: foreach my $attach (@attached) { 3246: my $id = $attach; 3247: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3248: my ($fname) 3249: =($attachurl=~m|/([^/]+)$|); 3250: $$message .= '<li><a href="'.$attachurl. 3251: '"><tt>'. 3252: $fname.'</tt></a></li>'; 3253: &Apache::lonnet::allowuploaded('/adm/feedback', 3254: $attachurl); 3255: } 3256: $$message .= '</ol>'; 3257: } 3258: } 3259: 3260: sub construct_attachmenturl { 3261: my ($currnewattach,$keepold,$symb,$idx)=@_; 3262: my $oldattachmenturl; 3263: my $newattachmenturl; 3264: my $startnum = 0; 3265: my $currver = 0; 3266: if (($env{'form.editdisc'}) && ($idx)) { 3267: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3268: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3269: $env{'course.'.$env{'request.course.id'}.'.num'}); 3270: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3271: if ($contrib{$idx.':history'}) { 3272: if ($contrib{$idx.':history'} =~ /:/) { 3273: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3274: $currver = 1 + scalar(@oldversions); 3275: } else { 3276: $currver = 2; 3277: } 3278: } else { 3279: $currver = 1; 3280: } 3281: if ($oldattachmenturl) { 3282: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3283: my %attachments = (); 3284: my $prevver = $currver-1; 3285: &get_post_attachments(\%attachments,$oldattachmenturl); 3286: my $numattach = scalar(keys(%attachments)); 3287: $startnum += $numattach; 3288: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3289: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3290: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3291: unless ($item eq 'filename') { 3292: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3293: } 3294: } 3295: if (grep/^$num$/,@{$keepold}) { 3296: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3297: } 3298: $newattachmenturl .= '</attachment>'; 3299: } 3300: } else { 3301: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3302: unless (grep/^0$/,@{$keepold}) { 3303: $newattachmenturl .= '<post id="1">n</post>'; 3304: } 3305: $newattachmenturl .= '</attachment>'; 3306: $startnum ++; 3307: } 3308: } 3309: } 3310: for (my $i=0; $i<@{$currnewattach}; $i++) { 3311: my $attachnum = $startnum + $i; 3312: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3313: } 3314: return $newattachmenturl; 3315: } 3316: 3317: sub add_blog_checkbox { 3318: my ($crstype) = @_; 3319: my $checkstatus; 3320: if ($env{'form.blog'}) { 3321: $checkstatus = 'checked="checked"'; 3322: } 3323: my $output = ' 3324: <script type="text/javascript"> 3325: function setblogvalue() { 3326: if (document.mailform.blog.checked) { 3327: document.attachment.blog.value = 1; 3328: } else { 3329: document.attachment.blog.value = 0; 3330: } 3331: } 3332: </script><br /> 3333: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3334: if ($crstype eq 'Community') { 3335: $output .= &mt('Add to my public community blog'); 3336: } else { 3337: $output .= &mt('Add to my public course blog'); 3338: } 3339: $output .= '</label><br />'."\n"; 3340: return $output; 3341: } 3342: 3343: sub has_discussion { 3344: my $resourcesref = shift; 3345: my $navmap = Apache::lonnavmaps::navmap->new(); 3346: if (defined($navmap)) { 3347: my @allres=$navmap->retrieveResources(); 3348: foreach my $resource (@allres) { 3349: if ($resource->hasDiscussion()) { 3350: my $ressymb = $resource->wrap_symb(); 3351: if (ref($resourcesref) eq 'ARRAY') { 3352: push(@{$resourcesref}, $ressymb); 3353: } 3354: } 3355: } 3356: } else { 3357: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3358: } 3359: return; 3360: } 3361: 3362: sub sort_filter_names { 3363: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3364: if (ref($sort_types) eq 'HASH') { 3365: %{$sort_types} = ( 3366: ascdate => 'Date order - oldest first', 3367: descdate => 'Date order - newest first', 3368: thread => 'Threaded', 3369: subject => 'By subject', 3370: username => 'By domain and username', 3371: lastfirst => 'By last name, first name' 3372: ); 3373: } 3374: my @courseroles = qw(st in ta ep ad); 3375: if ($crstype eq 'Community') { 3376: push(@courseroles,'co'); 3377: } else { 3378: push(@courseroles,'cc'); 3379: } 3380: if (ref($role_types) eq 'HASH') { 3381: foreach my $role (@courseroles) { 3382: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3383: } 3384: $role_types->{'all'} = 'All roles'; 3385: $role_types->{'cr'} = 'Custom role'; 3386: } 3387: if (ref($status_types) eq 'HASH') { 3388: %{$status_types} = ( 3389: all => 'Roles of any status', 3390: Active => 'Only active roles', 3391: Expired => 'Only past roles', 3392: Future => 'Only future roles', 3393: ); 3394: } 3395: } 3396: 3397: sub handler { 3398: my $r = shift; 3399: if ($r->header_only) { 3400: &Apache::loncommon::content_type($r,'text/html'); 3401: $r->send_http_header; 3402: return OK; 3403: } 3404: 3405: # --------------------------- Get query string for limited number of parameters 3406: 3407: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3408: ['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']); 3409: my $group = $env{'form.group'}; 3410: my %attachmax = ( 3411: text => &mt('(128 KB max size)'), 3412: num => 131072, 3413: ); 3414: if ($env{'form.editdisc'}) { 3415: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3416: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3417: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3418: my $feedurl=&Apache::lonnet::clutter($url); 3419: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3420: undef,undef,undef,$group); 3421: return OK; 3422: } 3423: } 3424: if ($env{'form.discsymb'}) { 3425: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3426: my $readkey = $symb.'_read'; 3427: my $chgcount = 0; 3428: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3429: foreach my $key (keys(%env)) { 3430: if ($key =~ m/^form\.postunread_(\d+)/) { 3431: if ($readinghash{$readkey} =~ /\.$1\./) { 3432: $readinghash{$readkey} =~ s/\.$1\.//; 3433: $chgcount ++; 3434: } 3435: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3436: unless ($readinghash{$readkey} =~ /\.$1\./) { 3437: $readinghash{$readkey} .= '.'.$1.'.'; 3438: $chgcount ++; 3439: } 3440: } 3441: } 3442: if ($chgcount > 0) { 3443: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3444: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3445: } 3446: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3447: '0','0','','',$env{'form.previous'},'','','', 3448: undef,undef,undef,$group); 3449: return OK; 3450: } 3451: if ($env{'form.allversions'}) { 3452: &Apache::loncommon::content_type($r,'text/html'); 3453: &Apache::loncommon::no_cache($r); 3454: $r->send_http_header; 3455: 3456: # Breadcrumbs 3457: my $brcrum = [{'href' => '', 3458: 'text' => 'Discussion Post Versions'}]; 3459: 3460: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3461: {'bread_crumbs' => $brcrum,}) 3462: ); 3463: 3464: my $crs='/'.$env{'request.course.id'}; 3465: if ($env{'request.course.sec'}) { 3466: $crs.='_'.$env{'request.course.sec'}; 3467: } 3468: $crs=~s|_|/|g; 3469: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3470: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3471: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3472: ($symb)=&get_feedurl_and_clean_symb($symb); 3473: my $ressymb = &wrap_symb($symb); 3474: my $group = $env{'form.group'}; 3475: my $seeid; 3476: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3477: if (&check_group_priv($group,'dgp') eq 'ok') { 3478: $seeid = 1; 3479: } 3480: } else { 3481: $seeid = &Apache::lonnet::allowed('rin',$crs); 3482: } 3483: if ($idx > 0) { 3484: my %messages = (); 3485: my %subjects = (); 3486: my %attachmsgs = (); 3487: my %allattachments = (); 3488: my %imsfiles = (); 3489: my ($screenname,$plainname); 3490: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3491: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3492: $env{'course.'.$env{'request.course.id'}.'.num'}); 3493: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3494: } 3495: $r->print(&Apache::loncommon::end_page()); 3496: return OK; 3497: } 3498: if ($env{'form.posterlist'}) { 3499: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3500: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3501: $env{'form.sortposts'}); 3502: return OK; 3503: } 3504: if ($env{'form.userpick'}) { 3505: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3506: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3507: my $numpicks = @posters; 3508: my %discinfo; 3509: $discinfo{$symb.'_userpick'} = join('&',@posters); 3510: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3511: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3512: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3513: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3514: '',$numpicks,$group); 3515: return OK; 3516: } 3517: if ($env{'form.applysort'}) { 3518: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3519: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3520: '',$env{'form.previous'},$env{'form.sortposts'}, 3521: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3522: $env{'form.sectionpick'},$env{'form.grouppick'}, 3523: undef,$group); 3524: return OK; 3525: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3526: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3527: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3528: return OK; 3529: } elsif ($env{'form.navtime'}) { 3530: my %discinfo = (); 3531: my @resources = (); 3532: if (defined($env{'form.navmaps'})) { 3533: if ($env{'form.navmaps'} =~ /:/) { 3534: @resources = split(/:/,$env{'form.navmaps'}); 3535: } else { 3536: @resources = ("$env{'form.navmaps'}"); 3537: } 3538: } else { 3539: &has_discussion(\@resources); 3540: } 3541: my $numitems = @resources; 3542: my $feedurl = '/adm/navmaps'; 3543: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3544: my %lt = &Apache::lonlocal::texthash( 3545: 'mnpa' => 'Marked "New" posts as read in a total of', 3546: 'robb' => 'resources/bulletin boards.', 3547: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3548: ); 3549: foreach my $res (@resources) { 3550: my $ressymb=$res; 3551: &Apache::lonenc::check_decrypt(\$ressymb); 3552: my $lastkey = $ressymb.'_lastread'; 3553: $discinfo{$lastkey} = $env{'form.navtime'}; 3554: } 3555: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3556: if ($numitems > 0) { 3557: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3558: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3559: } else { 3560: $textline = "<b>$lt{'twnp'}</b>"; 3561: } 3562: &Apache::loncommon::content_type($r,'text/html'); 3563: $r->send_http_header; 3564: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3565: my %onload; 3566: 3567: my $start_page= 3568: &Apache::loncommon::start_page('New posts marked as read',undef, 3569: {'redirect' => [2,$feedurl], 3570: 'only_body' => 1, 3571: 'add_entries' => \%onload}); 3572: my $end_page = &Apache::loncommon::end_page(); 3573: $r->print (<<ENDREDIR); 3574: $start_page 3575: <img align="right" src="$logo" /> 3576: $textline 3577: <form name="reldt" action="$feedurl" target="loncapaclient"> 3578: </form> 3579: <br /> 3580: $end_page 3581: ENDREDIR 3582: return OK; 3583: } elsif ($env{'form.modifydisp'}) { 3584: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3585: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3586: split(/_/,$env{'form.changes'}); 3587: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3588: $dispchgB,$markchg,$toggchg,$feedurl); 3589: return OK; 3590: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3591: $env{'form.allposts'} || $env{'form.onlyunread'} || 3592: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3593: $env{'form.toggon'} || $env{'form.markread'}) { 3594: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3595: my %discinfo; 3596: # ------------------------ Modify setting for read/unread toggle for each post 3597: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3598: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3599: # --------- Modify setting for identification of 'NEW' posts in this discussion 3600: if ($env{'form.markondisp'}) { 3601: $discinfo{$symb.'_lastread'} = time; 3602: $discinfo{$symb.'_markondisp'} = 1; 3603: } 3604: if ($env{'form.markonread'}) { 3605: if ( $env{'form.previous'} > 0 ) { 3606: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3607: } 3608: $discinfo{$symb.'_markondisp'} = 0; 3609: } 3610: # --------------------------------- Modify display setting for this discussion 3611: if ($env{'form.allposts'}) { 3612: $discinfo{$symb.'_showonlyunread'} = 0; 3613: $discinfo{$symb.'_showonlyunmark'} = 0; 3614: } 3615: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3616: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3617: # ----------------------------------------------------- Mark new posts not NEW 3618: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3619: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3620: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3621: my $previous=$env{'form.previous'}; 3622: if ($env{'form.markondisp'}) { $previous=undef; } 3623: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3624: '0','0','','',$previous,'','','','','','',$group); 3625: return OK; 3626: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3627: # ----------------------------------------------------------------- Hide/unhide 3628: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3629: my ($symb,$idx)=split(/\:\:\:/,$entry); 3630: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3631: 3632: my $crs='/'.$env{'request.course.id'}; 3633: if ($env{'request.course.sec'}) { 3634: $crs.='_'.$env{'request.course.sec'}; 3635: } 3636: $crs=~s/\_/\//g; 3637: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3638: 3639: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3640: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3641: undef,undef,$group,); 3642: return OK; 3643: } 3644: 3645: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3646: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3647: $env{'course.'.$env{'request.course.id'}.'.num'}); 3648: 3649: my $currenthidden=$contrib{'hidden'}; 3650: my $currentstudenthidden=$contrib{'studenthidden'}; 3651: 3652: if ($env{'form.hide'}) { 3653: $currenthidden.='.'.$idx.'.'; 3654: unless ($seeid) { 3655: $currentstudenthidden.='.'.$idx.'.'; 3656: } 3657: } else { 3658: $currenthidden=~s/\.$idx\.//g; 3659: } 3660: my %newhash=('hidden' => $currenthidden); 3661: if ( ($env{'form.hide'}) && (!$seeid) ) { 3662: $newhash{'studenthidden'} = $currentstudenthidden; 3663: } 3664: if ($env{'form.hide'}) { 3665: my $changelast = 0; 3666: my $newlast; 3667: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3668: if ($changelast) { 3669: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3670: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3671: $env{'course.'.$env{'request.course.id'}.'.num'}); 3672: } 3673: } 3674: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3675: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3676: $env{'course.'.$env{'request.course.id'}.'.num'}); 3677: 3678: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3679: '0','0','','',$env{'form.previous'},undef,undef,undef, 3680: undef,undef,undef,$group); 3681: return OK; 3682: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3683: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3684: if ($env{'form.cmd'} eq 'threadedon') { 3685: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3686: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3687: } else { 3688: &Apache::lonnet::del('environment',['threadeddiscussion']); 3689: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3690: } 3691: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3692: '0','0','','',$env{'form.previous'},undef,undef,undef, 3693: undef,undef,undef,$group); 3694: return OK; 3695: } elsif ($env{'form.deldisc'}) { 3696: # --------------------------------------------------------------- Hide for good 3697: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3698: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3699: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3700: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3701: $env{'course.'.$env{'request.course.id'}.'.num'}); 3702: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3703: if ($changelast) { 3704: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3705: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3706: } 3707: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3708: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3709: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3710: $env{'course.'.$env{'request.course.id'}.'.num'}); 3711: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3712: '0','0','','',$env{'form.previous'},undef,undef,undef, 3713: undef,undef,undef,$group); 3714: return OK; 3715: } elsif ($env{'form.preview'}) { 3716: # -------------------------------------------------------- User wants a preview 3717: &show_preview($r); 3718: return OK; 3719: } elsif ($env{'form.attach'}) { 3720: # -------------------------------------------------------- Work on attachments 3721: &Apache::loncommon::content_type($r,'text/html'); 3722: $r->send_http_header; 3723: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3724: my (@currnewattach,@currdelold,@keepold,$toolarge); 3725: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3726: if (exists($env{'form.addnewattach.filename'})) { 3727: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3728: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3729: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3730: push(@currnewattach, $newattachment); 3731: } else { 3732: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3733: } 3734: } 3735: my $attachmenturls; 3736: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3737: my $idx = $env{'form.idx'}; 3738: if ($idx) { 3739: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3740: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3741: $env{'course.'.$env{'request.course.id'}.'.num'}); 3742: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3743: } 3744: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3745: $attachmenturls,$attachmax{'text'},$toolarge); 3746: return OK; 3747: } elsif ($env{'form.export'}) { 3748: &Apache::loncommon::content_type($r,'text/html'); 3749: $r->send_http_header; 3750: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3751: my $mode='board'; 3752: my $status='OPEN'; 3753: my $previous=$env{'form.previous'}; 3754: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3755: $mode='problem'; 3756: $status=$Apache::inputtags::status[-1]; 3757: } 3758: my $discussion = &list_discussion($mode,$status,$symb); 3759: my $start_page = 3760: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3761: my $end_page = 3762: &Apache::loncommon::end_page(); 3763: $r->print($start_page.$discussion.$end_page); 3764: return OK; 3765: } else { 3766: # ------------------------------------------------------------- Normal feedback 3767: my $feedurl=$env{'form.postdata'}; 3768: $feedurl=~s/^https?\:\/\///; 3769: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3770: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3771: $feedurl=~s/\?.+$//; 3772: 3773: my $symb; 3774: if ($env{'form.replydisc'}) { 3775: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3776: } elsif ($env{'form.editdisc'}) { 3777: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3778: } elsif ($env{'form.origpage'}) { 3779: $symb=""; 3780: } else { 3781: $symb=&Apache::lonnet::symbread($feedurl); 3782: } 3783: unless ($symb) { 3784: $symb=$env{'form.symb'}; 3785: } 3786: if (defined($symb)) { 3787: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3788: } else { 3789: # backward compatibility (bulletin boards used to be 'wrapped') 3790: &Apache::lonenc::check_decrypt(\$feedurl); 3791: &dewrapper(\$feedurl); 3792: } 3793: my $goahead=1; 3794: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3795: unless ($symb) { $goahead=0; } 3796: } 3797: if (!$goahead) { 3798: # Ambiguous Problem Resource 3799: $r->internal_redirect('/adm/ambiguous'); 3800: return OK; 3801: } 3802: # Go ahead with feedback, no ambiguous reference 3803: unless ( 3804: ( 3805: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3806: ) 3807: || 3808: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3809: || 3810: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3811: ) { 3812: &Apache::loncommon::content_type($r,'text/html'); 3813: $r->send_http_header; 3814: # Unable to give feedback 3815: &Apache::lonenc::check_encrypt(\$feedurl); 3816: &no_redirect_back($r,$feedurl); 3817: return OK; 3818: } 3819: # --------------------------------------------------- Print login screen header 3820: unless ($env{'form.sendit'}) { 3821: &Apache::lonenc::check_encrypt(\$feedurl); 3822: &Apache::loncommon::content_type($r,'text/html'); 3823: $r->send_http_header; 3824: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3825: my ($blocked,$blocktext) = 3826: &Apache::loncommon::blocking_status('boards'); 3827: if ($blocked) { 3828: $r->print(&blocked_reply_or_edit($blocktext)); 3829: return OK; 3830: } 3831: } 3832: my $options=&screen_header($feedurl,$symb); 3833: if ($options) { 3834: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3835: } else { 3836: &fail_redirect($r,$feedurl); 3837: } 3838: return OK; 3839: } 3840: 3841: # Get previous user input 3842: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3843: $symb,$env{'user.name'},$env{'user.domain'}, 3844: $env{'request.course.id'}); 3845: 3846: # Get output from resource 3847: &Apache::lonenc::check_encrypt(\$feedurl); 3848: my $usersaw=&resource_output($feedurl); 3849: 3850: # Get resource answer (need to allow student to view grades for this to work) 3851: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3852: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3853: my $useranswer= 3854: &Apache::loncommon::get_student_answers( 3855: $usersymb,$env{'user.name'},$env{'user.domain'}, 3856: $env{'request.course.id'}); 3857: &Apache::lonnet::delenv('allowed.vgr'); 3858: # Get attachments, if any, and not too large 3859: my $attachmenturl=''; 3860: my $toolarge=''; 3861: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3862: ($env{'form.replydisc'})) { 3863: my ($symb,$idx); 3864: if ($env{'form.replydisc'}) { 3865: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3866: } elsif ($env{'form.editdisc'}) { 3867: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3868: } elsif ($env{'form.origpage'}) { 3869: $symb = $env{'form.symb'}; 3870: } 3871: &Apache::lonenc::check_decrypt(\$symb); 3872: my @currnewattach = (); 3873: my @deloldattach = (); 3874: my @keepold = (); 3875: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3876: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3877: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3878: } elsif ($env{'form.attachment.filename'}) { 3879: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3880: my $now = time; 3881: my $subdir = 'feedback/'.$now; 3882: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3883: } else { 3884: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3885: } 3886: } 3887: # Filter HTML out of message (could be nasty) 3888: my $message=&clear_out_html($env{'form.comment'}); 3889: 3890: # Assemble email 3891: my ($email,$citations)=&assemble_email($message,$prevattempts, 3892: $usersaw,$useranswer); 3893: 3894: # Who gets this? 3895: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3896: 3897: # Actually send mail 3898: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3899: undef,1), 3900: $feedurl,$email,$citations, 3901: $attachmenturl,$usersymb,%to); 3902: 3903: # Discussion? Store that. 3904: my $numpost=0; 3905: if ( ($env{'form.discuss'} ne '' 3906: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3907: || $env{'form.anondiscuss'} ne '') { 3908: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3909: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3910: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3911: $subject); 3912: $numpost++; 3913: } 3914: 3915: # Add to blog? 3916: 3917: my $blog=''; 3918: if ($env{'form.blog'}) { 3919: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3920: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3921: $env{'user.domain'}, 3922: 'CourseBlog_'.$env{'request.course.id'}, 3923: $subject,$message,$feedurl,'public'); 3924: if (&Apache::loncommon::course_type() eq 'Community') { 3925: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3926: } else { 3927: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3928: } 3929: } 3930: 3931: # Receipt screen and redirect back to where came from 3932: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3933: } 3934: return OK; 3935: } 3936: 3937: sub blocked_reply_or_edit { 3938: my ($blocktext) = @_; 3939: return 3940: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3941: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3942: &mt('Back to previous page'). 3943: &Apache::loncommon::end_page(); 3944: } 3945: 3946: sub wrap_symb { 3947: my ($ressymb)=@_; 3948: if ($ressymb =~ /bulletin___\d+___/) { 3949: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3950: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3951: } 3952: } 3953: return $ressymb; 3954: } 3955: sub dewrapper { 3956: my ($feedurl)=@_; 3957: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3958: $$feedurl=~s|^/adm/wrapper||; 3959: } 3960: } 3961: 3962: sub get_feedurl { 3963: my ($symb)=@_; 3964: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3965: my $feedurl = &Apache::lonnet::clutter($url); 3966: &dewrapper(\$feedurl); 3967: return $feedurl; 3968: } 3969: 3970: sub get_feedurl_and_clean_symb { 3971: my ($symb)=@_; 3972: &Apache::lonenc::check_decrypt(\$symb); 3973: # backward compatibility (bulletin boards used to be 'wrapped') 3974: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3975: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3976: } 3977: my $feedurl = &get_feedurl($symb); 3978: return ($symb,$feedurl); 3979: } 3980: 3981: sub editing_allowed { 3982: my ($postid,$group) = @_; 3983: $postid = &unescape($postid); 3984: my $can_edit = 0; 3985: if ($group ne '') { 3986: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3987: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3988: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3989: if (&check_group_priv($group,'egp') eq 'ok') { 3990: $can_edit = 1; 3991: } 3992: return $can_edit; 3993: } 3994: } 3995: my $cid = $env{'request.course.id'}; 3996: my $role = (split(/\./,$env{'request.role'}))[0]; 3997: my $section = $env{'request.course.sec'}; 3998: my $allow_editing_config = 3999: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4000: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4001: $can_edit = 1; 4002: } else { 4003: foreach my $editor (split(/,/,$allow_editing_config)) { 4004: my ($editor_role,$editor_sec) = split(/:/,$editor); 4005: if ($editor_role eq $role 4006: && defined($editor_sec) 4007: && defined($section) 4008: && $editor_sec eq $section) { 4009: $can_edit = 1; 4010: last; 4011: } 4012: if ($editor_role eq $role 4013: && !defined($editor_sec)) { 4014: $can_edit = 1; 4015: } 4016: } 4017: } 4018: return $can_edit; 4019: } 4020: 4021: sub check_group_priv { 4022: my ($group,$grp_priv) = @_; 4023: foreach my $priv ('mdg','vcg') { 4024: my $checkcourse = $env{'request.course.id'}. 4025: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4026: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4027: return 'ok'; 4028: } 4029: } 4030: if ($grp_priv && $group ne '') { 4031: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4032: return 'ok'; 4033: } 4034: } 4035: return ''; 4036: } 4037: 4038: sub group_args { 4039: my ($group) = @_; 4040: if ($group eq '') { return ''; } 4041: my $extra_args = '&group='.$group; 4042: if (exists($env{'form.ref'})) { 4043: $extra_args .= '&ref='.$env{'form.ref'}; 4044: } 4045: return $extra_args; 4046: } 4047: 4048: sub get_resource_title { 4049: my ($symb,$feedurl) = @_; 4050: my ($restitle,$plainurl); 4051: if (defined($symb)) { 4052: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4053: $restitle = &Apache::lonnet::gettitle($plain_symb); 4054: } 4055: if (defined($feedurl)) { 4056: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4057: } 4058: if (!defined($restitle)) { 4059: if (defined($feedurl)) { 4060: $restitle = &Apache::lonnet::gettitle($plainurl); 4061: } 4062: } 4063: if ($plainurl ne $feedurl) { 4064: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4065: if ($plain_filename eq $restitle) { 4066: $restitle = &mt('Untitled resource'); 4067: } 4068: } 4069: if ($restitle eq '') { 4070: $restitle = &mt('Untitled resource'); 4071: } 4072: return $restitle; 4073: } 4074: 4075: 1; 4076: __END__ 4077: 4078: 4079: =pod 4080: 4081: =head1 NAME 4082: 4083: Apache::lonfeedback.pm 4084: 4085: =head1 SYNOPSIS 4086: 4087: Handles feedback from students to instructors and system administrators. 4088: 4089: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4090: 4091: Used by lonmsg.pm. 4092: 4093: This is part of the LearningOnline Network with CAPA project 4094: described at http://www.lon-capa.org. 4095: 4096: =head1 OVERVIEW 4097: 4098: None 4099: 4100: =head1 SUBROUTINES 4101: 4102: =over 4103: 4104: =item discussion_open() 4105: 4106: =item discussion_visible() 4107: 4108: =item list_discussion() 4109: 4110: =item send_feedback_link() 4111: 4112: =item send_message_link() 4113: 4114: =item action_links_bar() 4115: 4116: =item postingform_display() 4117: 4118: =item build_posting_display 4119: 4120: =item filter_regexp() 4121: 4122: =item get_post_contents() 4123: 4124: =item replicate_attachments() 4125: 4126: =item mail_screen() 4127: 4128: =item print_display_options() 4129: 4130: =item print_sortfilter_options() 4131: 4132: =item print_showposters() 4133: 4134: =item get_post_versions() 4135: 4136: =item get_post_attachments() 4137: 4138: =item fail_redirect() 4139: 4140: =item redirect_back() 4141: 4142: =item no_redirect_back() 4143: 4144: =item screen_header() 4145: 4146: =item resource_output() 4147: 4148: =item clear_out_html() 4149: 4150: =item assemble_email() 4151: 4152: =item feedback_available() 4153: 4154: =item send_msg() 4155: 4156: =item adddiscuss() 4157: 4158: =item get_discussion_info() 4159: 4160: =item show_preview() 4161: 4162: =item newline_to_br() 4163: 4164: =item tidy_html() 4165: 4166: =item generate_preview_button() 4167: 4168: =item modify_attachments() 4169: 4170: =item process_attachments() 4171: 4172: =item generate_attachments_button() 4173: 4174: =item extract_attachments() 4175: 4176: =item construct_attachmenturl() 4177: 4178: =item add_blog_checkbox() 4179: 4180: =item has_discussion() 4181: 4182: =item sort_filter_names() 4183: 4184: =item handler() 4185: 4186: =item blocked_reply_or_edit() 4187: 4188: =item wrap_symb() 4189: 4190: =item dewrapper() 4191: 4192: =item get_feedurl() 4193: 4194: =item get_feedurl_and_clean_symb() 4195: 4196: =item editing_allowed() 4197: 4198: =item check_group_priv() 4199: 4200: =item group_args() 4201: 4202: =item get_resource_title() 4203: 4204: =back 4205: 4206: =cut