loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.310: download - view: text, annotated - select for diffs
Mon Dec 12 00:13:43 2011 UTC (12 years, 10 months ago) by www
Branches: MAIN
CVS tags: HEAD

Fix XHTML and use big enough modal window

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.310 2011/12/12 00:13:43 www Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/$LONCAPA::assess_re/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: 285: my $now = time; 286: $discinfo{$visitkey} = $visit; 287: 288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 289: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 290: 291: my $discussion=''; 292: my $manifestfile; 293: my $manifestok=0; 294: my $tempexport; 295: my $imsresources; 296: my $copyresult; 297: 298: my $function = &Apache::loncommon::get_users_function(); 299: my $color = &Apache::loncommon::designparm($function.'.tabbg', 300: $env{'user.domain'}); 301: my %lt = &Apache::lonlocal::texthash( 302: 'cuse' => 'Current discussion settings', 303: 'allposts' => 'All posts', 304: 'unread' => 'New posts only', 305: 'unmark' => 'Unread only', 306: 'ondisp' => 'Once displayed', 307: 'onmark' => 'Once marked not NEW', 308: 'toggoff' => 'Off', 309: 'toggon' => 'On', 310: 'disa' => 'Posts to be displayed', 311: 'npce' => 'Posts cease to be marked "NEW"', 312: 'epcb' => 'Each post can be toggled read/unread', 313: 'chgt' => 'Change', 314: 'disp' => 'Display', 315: 'nolo' => 'Not new', 316: 'togg' => 'Toggle read/unread', 317: 'aner' => 'An error occurred opening the manifest file.', 318: 'difo' => 'Discussion for', 319: 'aerr' => 'An error occurred opening the export file for posting', 320: 'aysu' => 'Are you sure you want to delete this post?', 321: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 322: 'bwco' => 'but will continue to be visible to your instructor', 323: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 324: 'discussions' => 'DISCUSSIONS' 325: ); 326: 327: my $currdisp = $lt{'allposts'}; 328: my $currmark = $lt{'onmark'}; 329: my $currtogg = $lt{'toggoff'}; 330: my $dispchange = $lt{'unread'}; 331: my $markchange = $lt{'ondisp'}; 332: my $toggchange = $lt{'toggon'}; 333: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 334: my $displinkA = 'onlyunread'; 335: my $displinkB = 'onlyunmark'; 336: my $marklink = 'markondisp'; 337: my $togglink = 'toggon'; 338: 339: if ($markondisp) { 340: $currmark = $lt{'ondisp'}; 341: $markchange = $lt{'onmark'}; 342: $marklink = 'markonread'; 343: } 344: 345: if ($showonlyunread) { 346: $currdisp = $lt{'unread'}; 347: $dispchange = $lt{'allposts'}; 348: $displinkA = 'allposts'; 349: } 350: 351: if ($showunmark) { 352: $currdisp = $lt{'unmark'}; 353: $dispchange = $lt{'unmark'}; 354: $displinkA='allposts'; 355: $displinkB='onlyunread'; 356: $showonlyunread = 0; 357: } 358: 359: if ($dischash{$toggkey}) { 360: $currtogg = $lt{'toggon'}; 361: $toggchange = $lt{'toggoff'}; 362: $togglink = 'toggoff'; 363: } 364: 365: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 366: 367: if ($newpostsflag) { 368: $chglink .= '&previous='.$prevread; 369: } 370: $chglink.=&group_args($group); 371: 372: if ($visible) { 373: # Print the discusssion 374: if ($outputtarget eq 'tex') { 375: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 376: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 377: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 378: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 379: } elsif ($outputtarget eq 'export') { 380: # Create temporary directory if this is an export 381: my $now = time; 382: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 383: $tempexport = $$imsextras{'tempexport'}; 384: if (!-e $tempexport) { 385: mkdir($tempexport,0700); 386: } 387: $tempexport .= '/'.$$imsextras{'count'}; 388: if (!-e $tempexport) { 389: mkdir($tempexport,0700); 390: } 391: } else { 392: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: $tempexport .= '/'.$now; 397: if (!-e $tempexport) { 398: mkdir($tempexport,0700); 399: } 400: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 401: } 402: if (!-e $tempexport) { 403: mkdir($tempexport,0700); 404: } 405: # open manifest file 406: my $manifest = '/imsmanifest.xml'; 407: my $manifestfilename = $tempexport.$manifest; 408: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 409: $manifestok=1; 410: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 411: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 412: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 413: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 414: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 415: <organizations default="$ressymb"> 416: <organization identifier="$ressymb"> 417: <title>$lt{'difo'} $ressymb</title>\n|; 418: } else { 419: $discussion .= $lt{'aner'}.'<br />'; 420: } 421: } else { 422: my $colspan=$maxdepth+1; 423: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 424: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 425: var symbparm = symb+':::'+idx 426: var prevparm = "" 427: if (newflag == 1) { 428: prevparm = "&previous="+previous 429: } 430: if (caller == 'studentdelete') { 431: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 432: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 433: } 434: } else { 435: if (caller == 'seeiddelete') { 436: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 437: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 438: } 439: } 440: } 441: } 442: |); 443: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 444: "\n".'<table class="LC_discussion">'; 445: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 446: $newpostsflag,$group, 447: $prevread,$markondisp); 448: my $escsymb=&escape($ressymb); 449: my $numhidden = keys(%notshown); 450: if ($numhidden > 0) { 451: my $colspan = $maxdepth+1; 452: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 453: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 454: if ($newpostsflag) { 455: $discussion .= '&previous='.$prevread; 456: } 457: $discussion .= &group_args($group); 458: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 459: $numhidden.' '; 460: if ($showunmark) { 461: $discussion .= &mt('posts previously marked read'); 462: } else { 463: $discussion .= &mt('previously viewed posts'); 464: } 465: $discussion .= '<br/></td></tr>'; 466: } 467: } 468: 469: # Choose sort mechanism 470: my @showposts = (); 471: if ($sortposts eq 'descdate') { 472: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 473: } elsif ($sortposts eq 'thread') { 474: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 475: } elsif ($sortposts eq 'subject') { 476: foreach my $key (sort(keys(%subjectsort))) { 477: push(@showposts, @{$subjectsort{$key}}); 478: } 479: } elsif ($sortposts eq 'username') { 480: foreach my $domain (sort(keys(%usernamesort))) { 481: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 482: push(@showposts, @{$usernamesort{$domain}{$key}}); 483: } 484: } 485: } elsif ($sortposts eq 'lastfirst') { 486: foreach my $last (sort(keys(%namesort))) { 487: foreach my $key (sort(keys(%{$namesort{$last}}))) { 488: push(@showposts, @{$namesort{$last}{$key}}); 489: } 490: } 491: } else { 492: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 493: } 494: my $currdepth = 0; 495: my $firstidx = $alldiscussion{$showposts[0]}; 496: foreach my $post (@showposts) { 497: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 498: $alldiscussion{$post} = $post; 499: } 500: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 501: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 502: $discussion.="\n<tr>"; 503: } 504: my $thisdepth=$depth[$alldiscussion{$post}]; 505: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 506: for (1..$thisdepth) { 507: $discussion.='<td>   </td>'; 508: } 509: } 510: my $colspan=$maxdepth-$thisdepth+1; 511: if ($outputtarget eq 'tex') { 512: #cleanup block 513: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 514: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 515: my $threadinsert=''; 516: if ($thisdepth > 0) { 517: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 518: } 519: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 520: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 521: 522: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 523: $discussion.=$discussionitems[$alldiscussion{$post}]; 524: } elsif ($outputtarget eq 'export') { 525: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 526: if ($manifestok) { 527: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 528: print $manifestfile ' </item>'."\n"; 529: } 530: $currdepth = $depth[$alldiscussion{$post}]; 531: print $manifestfile "\n". 532: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 533: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 534: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 535: $imsresources .= "\n". 536: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 537: '<file href="'.$postfilename.'">'."\n". 538: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 539: '</resource>'; 540: } 541: my $postingfile; 542: my $postingfilename = $tempexport.'/'.$postfilename; 543: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 544: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 545: $imsitems{$alldiscussion{$post}}{'title'}.' '. 546: $imsitems{$alldiscussion{$post}}{'sender'}. 547: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 548: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 549: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 550: close($postingfile); 551: } else { 552: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 553: } 554: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 555: } else { 556: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 557: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 558: '</td></tr>'; 559: } 560: } 561: } 562: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 563: my $colspan=$maxdepth+1; 564: $discussion .= <<END; 565: <tr bgcolor="#FFFFFF"> 566: <td colspan="$colspan" class="LC_disc_action_links_bar"> 567: <table class="LC_disc_action_table"> 568: <tr> 569: <td align="left"> 570: <table border="0" cellpadding="0" cellspacing="4"> 571: <tr> 572: <td> 573: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 574: <td> </td> 575: <td><font size="-1"> 576: END 577: if ($newpostsflag) { 578: $discussion .= 579: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 580: if ($dischash{$toggkey}) { 581: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 582: } 583: } else { 584: if ($dischash{$toggkey}) { 585: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 586: } else { 587: $discussion .= 588: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 589: } 590: } 591: $discussion .= <<END; 592: </font></td> 593: <td> </td> 594: <td align="left"> 595: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 596: </td> 597: </tr> 598: </table> 599: </td> 600: END 601: if ($sortposts) { 602: my %sort_types = (); 603: my %role_types = (); 604: my %status_types = (); 605: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 606: 607: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 608: if (defined($env{'form.totposters'})) { 609: $discussion .= &mt('Posts by').':'; 610: if ($totposters > 0) { 611: foreach my $poster (@posters) { 612: $discussion .= ' '.$poster.','; 613: } 614: $discussion =~ s/,$//; 615: } else { 616: $discussion .= &mt('None selected'); 617: } 618: } else { 619: my $filterchoice =''; 620: if (@sectionpick > 0) { 621: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 622: $filterchoice .= '    '; 623: } 624: if (@grouppick > 0) { 625: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 626: $filterchoice .= '    '; 627: } 628: if (@rolefilter > 0) { 629: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 630: foreach my $role (@rolefilter) { 631: $filterchoice .= ' '.$role_types{$role}.','; 632: } 633: $filterchoice =~ s/,$//; 634: $filterchoice .= '<br />'.(' ' x8); 635: } 636: if ($statusfilter) { 637: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 638: } 639: if ($filterchoice) { 640: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 641: } 642: $discussion .= '</font></td>'; 643: } 644: } 645: if ($dischash{$toggkey}) { 646: my $storebutton = &mt('Save read/unread changes'); 647: $discussion.='<td align="right">'. 648: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 649: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 650: ' onclick="this.form.submit();" />'."\n". 651: '</td>'; 652: } 653: $discussion .= (<<END); 654: </tr> 655: </table> 656: </td> 657: </tr> 658: END 659: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 660: $newpostsflag,$group, 661: $prevread,$markondisp); 662: $discussion .= " 663: </table> 664: <br /><br /></form>\n"; 665: } 666: if ($outputtarget eq 'export') { 667: if ($manifestok) { 668: while ($currdepth > 0) { 669: print $manifestfile " </item>\n"; 670: $currdepth --; 671: } 672: print $manifestfile qq| 673: </organization> 674: </organizations> 675: <resources> 676: $imsresources 677: </resources> 678: </manifest> 679: |; 680: close($manifestfile); 681: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 682: $discussion = $copyresult; 683: } else { 684: 685: #Create zip file in prtspool 686: 687: my $imszipfile = '/prtspool/'. 688: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 689: time.'_'.rand(1000000000).'.zip'; 690: my $cwd = &getcwd(); 691: my $imszip = '/home/httpd/'.$imszipfile; 692: chdir $tempexport; 693: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 694: close(OUTPUT); 695: chdir $cwd; 696: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 697: if ($copyresult) { 698: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 699: } 700: } 701: } else { 702: $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 />'; 703: } 704: return $discussion; 705: } 706: } 707: if ($discussiononly) { 708: my $now = time; 709: my $attachnum = 0; 710: my $currnewattach = []; 711: my $currdelold = []; 712: my $comment = ''; 713: my $subject = ''; 714: if ($env{'form.origpage'}) { 715: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 716: $subject = &unescape($env{'form.subject'}); 717: $comment = &unescape($env{'form.comment'}); 718: my @keepold = (); 719: &process_attachments($currnewattach,$currdelold,\@keepold); 720: if (@{$currnewattach} > 0) { 721: $attachnum += @{$currnewattach}; 722: } 723: } 724: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 725: if (($group ne '') && ($mode eq 'board')) { 726: if ((&check_group_priv($group,'pgd') eq 'ok') && 727: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 728: $discussion .= 729: &postingform_display($mode,$ressymb,$now,$subject, 730: $comment,$outputtarget,$attachnum, 731: $currnewattach,$currdelold, 732: $group,$crstype); 733: } 734: } else { 735: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 736: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 737: 738: $discussion.= 739: &postingform_display($mode,$ressymb,$now,$subject, 740: $comment,$outputtarget,$attachnum, 741: $currnewattach,$currdelold,'',$crstype); 742: } else { 743: $discussion.= '<span class="LC_feedback_link">'. 744: &mt('This discussion is closed.').'</span>'; 745: } 746: } 747: } 748: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 749: $discussion.= '<span class="LC_feedback_link">'. 750: &mt('This discussion is closed.').'</span>'; 751: } 752: } elsif ($outputtarget ne 'tex') { 753: $discussion.='<div class="LC_feedback_link">'; 754: if (&discussion_open($status) && 755: &Apache::lonnet::allowed('pch', 756: $env{'request.course.id'}. 757: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 758: $discussion.= &send_feedback_link($ressymb); 759: if ($env{'request.role.adv'}) { 760: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 761: if (defined($close) && $close ne '' && $close < time) { 762: $discussion .= ' '.&mt('(Closed for [_1] roles)', 763: &Apache::lonnet::plaintext('st',$crstype)); 764: } 765: } 766: } else { 767: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 768: } 769: $discussion.= &send_message_link($ressymb).'</div>'; 770: } 771: return $discussion; 772: } 773: 774: 775: sub discussion_link { 776: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds)=@_; 777: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item; 778: if ($flag) { $link .= '&previous='.$prev; } 779: if ($adds) { $link .= $adds; } 780: return &Apache::loncommon::modal_link($link,$linktext,600,600); 781: } 782: 783: 784: sub send_feedback_link { 785: my ($ressymb) = @_; 786: return '<span class="LC_feedback_link">'. 787: &discussion_link($ressymb, 788: '<img alt="" class="LC_noBorder" src="'. 789: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 790: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>', 791: 'replydisc'). 792: '</span>'; 793: } 794: 795: sub send_message_link { 796: my ($ressymb) = @_; 797: my $output = '<span class="LC_message_link">'. 798: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 799: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 800: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 801: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 802: return $output; 803: } 804: 805: sub action_links_bar { 806: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 807: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 808: '<table width="100%" class="LC_disc_action_table"><tr>'. 809: '<td class="LC_disc_action_left">'; 810: my $escsymb=&escape($ressymb); 811: if ($visible) { 812: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 813: if ($newpostsflag) { 814: $discussion .= '&previous='.$prevread; 815: } 816: $discussion .= &group_args($group); 817: $discussion .='">'.&mt('Threaded View').'</a>  '. 818: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 819: if ($newpostsflag) { 820: $discussion .= '&previous='.$prevread; 821: } 822: $discussion .= &group_args($group); 823: $discussion .='">'.&mt('Chronological View').'</a>   824: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 825: if ($newpostsflag) { 826: $discussion .= '&previous='.$prevread; 827: } 828: $discussion .= &group_args($group); 829: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 830: } 831: $discussion .='<a href="/adm/feedback?export='.$escsymb; 832: if ($newpostsflag) { 833: $discussion .= '&previous='.$prevread; 834: } 835: $discussion .= &group_args($group); 836: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 837: if ($newpostsflag) { 838: if (!$markondisp) { 839: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 840: $discussion .= &group_args($group); 841: $discussion .= '">'. 842: &mt('Preferences on what is marked as NEW'). 843: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 844: $discussion .= &group_args($group); 845: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 846: } else { 847: $discussion .= '<td> </td>'; 848: } 849: } else { 850: $discussion .= '<td> </td>'; 851: } 852: $discussion .= '</tr></table></td></tr>'; 853: return $discussion; 854: } 855: 856: sub postingform_display { 857: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 858: $currnewattach,$currdelold,$group,$crstype) = @_; 859: my $newattachmsg; 860: my %lt = &Apache::lonlocal::texthash( 861: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 862: 'title' => 'Title', 863: 'podi' => 'Post Discussion', 864: 'poan' => 'Post Anonymous Discussion', 865: 'newa' => 'New attachments', 866: ); 867: if ($crstype eq 'Community') { 868: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 869: } 870: my ($postingform,$textareaclass); 871: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 872: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 873: $textareaclass = 'class="LC_richDefaultOff"'; 874: if ($env{'request.course.id'}) { 875: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 876: undef($textareaclass); 877: } 878: } 879: } 880: $postingform .= (<<ENDDISCUSS); 881: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 882: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 883: <input type="hidden" name="sendit" value="true" /> 884: <input type="hidden" name="timestamp" value="$now" /> 885: <br /><a name="newpost"></a> 886: <font size="1">$lt{'note'}</font><br /> 887: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 888: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 889: ENDDISCUSS 890: if ($env{'form.origpage'}) { 891: $postingform .= '<input type="hidden" name="origpage" value="'. 892: $env{'form.origpage'}.'" />'."\n"; 893: foreach my $att (@{$currnewattach}) { 894: $postingform .= '<input type="hidden" name="currnewattach" '. 895: 'value="'.$att.'" />'."\n"; 896: } 897: } 898: if (exists($env{'form.ref'})) { 899: $postingform .= '<input type="hidden" name="ref" value="'. 900: $env{'form.ref'}.'" />'; 901: } 902: if ($group ne '') { 903: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 904: } 905: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 906: if (!$blockblog) { 907: $postingform .= &add_blog_checkbox($crstype); 908: } 909: $postingform .= "</form>\n"; 910: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 911: $now,$currnewattach, 912: $currdelold,'',$mode, 913: $blockblog); 914: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 915: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 916: if (@{$currnewattach} > 1) { 917: $newattachmsg .= '<ol>'; 918: foreach my $item (@{$currnewattach}) { 919: $item =~ m#.*/([^/]+)$#; 920: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 921: } 922: $newattachmsg .= '</ol>'."\n"; 923: } else { 924: $$currnewattach[0] =~ m#.*/([^/]+)$#; 925: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 926: } 927: } 928: $postingform .= $newattachmsg; 929: $postingform .= &generate_preview_button(); 930: return $postingform; 931: } 932: 933: sub build_posting_display { 934: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 935: my @original=(); 936: my @index=(); 937: my $skip_group_check = 0; 938: my $symb=&Apache::lonenc::check_decrypt($ressymb); 939: my $escsymb=&escape($ressymb); 940: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 941: $env{'course.'.$env{'request.course.id'}.'.domain'}, 942: $env{'course.'.$env{'request.course.id'}.'.num'}); 943: 944: my $see_anonymous = 945: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 946: 947: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 948: $skip_group_check = 1; 949: } 950: my (%deletions,%hiddens); 951: if ($contrib{'deleted'}) { 952: my $deleted = $contrib{'deleted'}; 953: $deleted =~ s/^\.//; 954: $deleted =~ s/\.$//; 955: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 956: } 957: if ($contrib{'hidden'}) { 958: my $hidden = $contrib{'hidden'}; 959: $hidden =~ s/^\.//; 960: $hidden =~ s/\.$//; 961: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 962: } 963: if ($contrib{'version'}) { 964: my $oldest = $contrib{'1:timestamp'}; 965: if ($prevread eq '0') { 966: $prevread = $oldest-1; 967: } 968: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 969: if ($sortposts) { 970: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 971: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 972: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 973: } 974: for (my $id=1;$id<=$contrib{'version'};$id++) { 975: my $idx=$id; 976: next if ($contrib{$idx.':deleted'}); 977: next if ($contrib{$idx.':hidden'}); 978: my $posttime = $contrib{$idx.':timestamp'}; 979: if ($prevread <= $posttime) { 980: $$newpostsflag = 1; 981: } 982: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 983: my $origindex='0.'; 984: my $numoldver=0; 985: if ($contrib{$idx.':replyto'}) { 986: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 987: # this is a follow-up message 988: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 989: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 990: $origindex=$index[$contrib{$idx.':replyto'}]; 991: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 992: } else { 993: $original[$idx]=0; 994: $$depth[$idx]=0; 995: } 996: } else { 997: # this is an original message 998: $original[$idx]=0; 999: $$depth[$idx]=0; 1000: } 1001: if ($$replies[$$depth[$idx]]) { 1002: $$replies[$$depth[$idx]]++; 1003: } else { 1004: $$replies[$$depth[$idx]]=1; 1005: } 1006: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1007: $$visible++; 1008: if ($contrib{$idx.':history'}) { 1009: if ($contrib{$idx.':history'} =~ /:/) { 1010: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1011: $numoldver = @oldversions; 1012: } else { 1013: $numoldver = 1; 1014: } 1015: } 1016: $$current = $numoldver; 1017: my %messages = (); 1018: my %subjects = (); 1019: my %attachtxt = (); 1020: my %allattachments = (); 1021: my ($screenname,$plainname); 1022: my $sender = &mt('Anonymous'); 1023: # Anonymous users getting number within a discussion 1024: # Since idx is in static order, this should give the same sequence every time. 1025: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1026: unless ($$anonhash{$key}) { 1027: $anoncnt++; 1028: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1029: } 1030: my ($message,$subject,$vgrlink,$ctlink); 1031: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1032: 1033: 1034: # Set up for sorting by subject 1035: unless ($outputtarget eq 'export') { 1036: $message=$messages{$numoldver}; 1037: $message.=$attachtxt{$numoldver}; 1038: $subject=$subjects{$numoldver}; 1039: if ($message) { 1040: if ($hiddens{$idx}) { 1041: $message='<font color="#888888">'.$message.'</font>'; 1042: if ($studenthidden) { 1043: $message .='<br /><br />Deleted by poster (student).'; 1044: } 1045: } 1046: 1047: if ($subject eq '') { 1048: if (defined($$subjectsort{'__No subject'})) { 1049: push(@{$$subjectsort{'__No subject'}}, $idx); 1050: } else { 1051: @{$$subjectsort{'__No subject'}} = ("$idx"); 1052: } 1053: } else { 1054: if (defined($$subjectsort{$subject})) { 1055: push(@{$$subjectsort{$subject}}, $idx); 1056: } else { 1057: @{$$subjectsort{$subject}} = ("$idx"); 1058: } 1059: } 1060: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1061: $sender=&Apache::loncommon::aboutmewrapper( 1062: $plainname, 1063: $contrib{$idx.':sendername'}, 1064: $contrib{$idx.':senderdomain'}).' ('. 1065: $contrib{$idx.':sendername'}.':'. 1066: $contrib{$idx.':senderdomain'}.')'; 1067: $sender = '<b>'.$sender.'</b>'; 1068: if ($contrib{$idx.':anonymous'}) { 1069: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1070: $screenname; 1071: } 1072: if ($see_anonymous) { 1073: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1074: } 1075: # Set up for sorting by domain, then username 1076: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1077: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1078: } 1079: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1080: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1081: } else { 1082: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1083: } 1084: # Set up for sorting by last name, then first name 1085: my %names = &Apache::lonnet::get('environment', 1086: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1087: ,$contrib{$idx.':sendername'}); 1088: my $lastname = $names{'lastname'}; 1089: my $firstname = $names{'firstname'}; 1090: if ($lastname eq '') { 1091: $lastname = '_'; 1092: } 1093: if ($firstname eq '') { 1094: $firstname = '_'; 1095: } 1096: unless (defined($$namesort{$lastname})) { 1097: %{$$namesort{$lastname}} = (); 1098: } 1099: if (defined($$namesort{$lastname}{$firstname})) { 1100: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1101: } else { 1102: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1103: } 1104: if ($outputtarget ne 'tex') { 1105: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1106: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1107: $sender.=' '. 1108: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1109: unless ($seeid) { 1110: my $grpargs = &group_args($group); 1111: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1112: $sender .= '">'.&mt('Delete').'</a>'; 1113: } 1114: } 1115: } 1116: if ($seeid) { 1117: if ($hiddens{$idx}) { 1118: unless ($studenthidden) { 1119: $sender.=' '. 1120: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1121: } 1122: } else { 1123: $sender.=' '. 1124: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1125: } 1126: my $grpargs = &group_args($group); 1127: $sender.= 1128: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1129: $sender .= &mt('Delete').'</a>'; 1130: } 1131: } 1132: } else { 1133: if ($screenname) { 1134: $sender='<i>'.$screenname.'</i>'; 1135: } else { 1136: $sender='<i>'.$$anonhash{$key}.'</i>'; 1137: } 1138: $sender = '<b>'.$sender.'</b>'; 1139: # Set up for sorting by domain, then username for anonymous 1140: unless (defined($$usernamesort{'__anon'})) { 1141: %{$$usernamesort{'__anon'}} = (); 1142: } 1143: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1144: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1145: } else { 1146: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1147: } 1148: # Set up for sorting by last name, then first name for anonymous 1149: unless (defined($$namesort{'__anon'})) { 1150: %{$$namesort{'__anon'}} = (); 1151: } 1152: if (defined($$namesort{'__anon'}{'__anon'})) { 1153: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1154: } else { 1155: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1156: } 1157: } 1158: if ($outputtarget ne 'tex') { 1159: if (&discussion_open($status)) { 1160: if (($group ne '') && 1161: (&check_group_priv($group,'pgd') eq 'ok')) { 1162: $sender.=' '. 1163: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1164: } elsif (&Apache::lonnet::allowed('pch', 1165: $env{'request.course.id'}. 1166: ($env{'request.course.sec'}?'/'. 1167: $env{'request.course.sec'}:''))) { 1168: $sender.=' '. 1169: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread); 1170: } 1171: } 1172: if ($viewgrades) { 1173: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1174: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1175: } 1176: if ($$dischash{$readkey}=~/\.$idx\./) { 1177: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1178: } else { 1179: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1180: } 1181: } 1182: } 1183: #figure out at what position this needs to print 1184: } 1185: if ($outputtarget eq 'export' || $message) { 1186: my $thisindex=$idx; 1187: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1188: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1189: } 1190: $$alldiscussion{$thisindex}=$idx; 1191: $$shown{$idx} = 0; 1192: $index[$idx]=$thisindex; 1193: } 1194: if ($outputtarget eq 'export') { 1195: %{$$imsitems{$idx}} = (); 1196: $$imsitems{$idx}{'isvisible'}='true'; 1197: if ($hiddens{$idx}) { 1198: $$imsitems{$idx}{'isvisible'}='false'; 1199: } 1200: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1201: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1202: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1203: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1204: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1205: $contrib{$idx.':sendername'}.':'. 1206: $contrib{$idx.':senderdomain'}.')'; 1207: $$imsitems{$idx}{'isanonymous'}='false'; 1208: if ($contrib{$idx.':anonymous'}) { 1209: $$imsitems{$idx}{'isanonymous'}='true'; 1210: } 1211: $$imsitems{$idx}{'currversion'}=$numoldver; 1212: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1213: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1214: $$shown{$idx} = 1; 1215: } 1216: } else { 1217: if ($message) { 1218: my $spansize = 2; 1219: if ($showonlyunread && $prevread > $posttime) { 1220: $$notshown{$idx} = 1; 1221: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1222: $$notshown{$idx} = 1; 1223: } else { 1224: # apply filters 1225: my $uname = $contrib{$idx.':sendername'}; 1226: my $udom = $contrib{$idx.':senderdomain'}; 1227: my $poster = $uname.':'.$udom; 1228: if ($env{'form.totposters'} ne '') { 1229: if ($totposters == 0) { 1230: $$shown{$idx} = 0; 1231: } elsif ($totposters > 0) { 1232: if (grep/^$poster$/,@{$posters}) { 1233: $$shown{$idx} = 1; 1234: } 1235: } 1236: } elsif ($sortposts) { 1237: if ($skiptest) { 1238: $$shown{$idx} = 1; 1239: } else { 1240: foreach my $role (@{$$roleinfo{$poster}}) { 1241: if ($role =~ /^cc:/) { 1242: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1243: if ($role =~ /$cc_regexp/) { 1244: $$shown{$idx} = 1; 1245: last; 1246: } 1247: } elsif ($role =~ /^$rolematch$/) { 1248: $$shown{$idx} = 1; 1249: last; 1250: } 1251: } 1252: } 1253: if ($$shown{$idx} && !$skip_group_check) { 1254: my $showflag = 0; 1255: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1256: foreach my $grp (@{$grouppick}) { 1257: if (grep/^\Q$grp\E$/, 1258: keys(%{$$classgroups{$poster}{active}})) { 1259: $showflag = 1; 1260: last; 1261: } 1262: } 1263: } 1264: if ($showflag) { 1265: $$shown{$idx} = 1; 1266: } else { 1267: $$shown{$idx} = 0; 1268: } 1269: } 1270: } else { 1271: $$shown{$idx} = 1; 1272: } 1273: } 1274: unless ($$notshown{$idx} == 1) { 1275: if ($prevread > 0 && $prevread <= $posttime) { 1276: $$newitem{$idx} = 1; 1277: $$discussionitems[$idx] .= ' 1278: <table border="0" width="100%"> 1279: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>'; 1280: } else { 1281: $$newitem{$idx} = 0; 1282: $$discussionitems[$idx] .= ' 1283: <table border="0" width="100%"> 1284: <tr><td align="left"> </td>'; 1285: } 1286: $$discussionitems[$idx] .= '<td align="left">  '. 1287: '<b>'.$subject.'</b>  '. 1288: $sender.' '.$vgrlink.' ('. 1289: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1290: if ($$dischash{$toggkey}) { 1291: $$discussionitems[$idx].='<td align="right">  '. 1292: $ctlink.'</td>'; 1293: } 1294: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1295: $message.'</blockquote>'; 1296: if ($contrib{$idx.':history'}) { 1297: my @postversions = (); 1298: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1299: if ($seeid) { 1300: $$discussionitems[$idx] .= '  '. 1301: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group)); 1302: } 1303: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1304: if ($contrib{$idx.':history'} =~ m/:/) { 1305: @postversions = split(/:/,$contrib{$idx.':history'}); 1306: } else { 1307: @postversions = ("$contrib{$idx.':history'}"); 1308: } 1309: for (my $i=0; $i<@postversions; $i++) { 1310: my $version = $i+1; 1311: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1312: } 1313: } 1314: } 1315: } 1316: } 1317: } 1318: } 1319: } 1320: } 1321: 1322: sub filter_regexp { 1323: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1324: my ($roleregexp,$secregexp,$statusregexp); 1325: my $skiptest = 1; 1326: if (@{$rolefilter} > 0) { 1327: my @okrolefilter = (); 1328: foreach my $role (@{$rolefilter}) { 1329: unless ($role eq '') { 1330: push(@okrolefilter, $role); 1331: } 1332: } 1333: if (@okrolefilter > 0) { 1334: if (grep/^all$/,@okrolefilter) { 1335: $roleregexp='[^:]+'; 1336: } else { 1337: if (@okrolefilter == 1) { 1338: $roleregexp=$okrolefilter[0]; 1339: } else { 1340: $roleregexp='('.join('|',@okrolefilter).')'; 1341: } 1342: $skiptest = 0; 1343: } 1344: } 1345: } 1346: if (@{$sectionpick} > 0) { 1347: my @oksectionpick = (); 1348: foreach my $sec (@{$sectionpick}) { 1349: unless ($sec eq '') { 1350: push(@oksectionpick, $sec); 1351: } 1352: } 1353: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1354: if (@oksectionpick == 1) { 1355: $secregexp = $oksectionpick[0]; 1356: } else { 1357: $secregexp .= '('.join('|',@oksectionpick).')'; 1358: } 1359: $skiptest = 0; 1360: } else { 1361: $secregexp .= '[^:]*'; 1362: } 1363: } 1364: 1365: if (defined($statusfilter) && $statusfilter ne '') { 1366: if ($statusfilter eq 'all') { 1367: $statusregexp = '[^:]+'; 1368: } else { 1369: $statusregexp = $statusfilter; 1370: $skiptest = 0; 1371: } 1372: } 1373: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1374: } 1375: 1376: 1377: sub get_post_contents { 1378: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1379: my $discussion = ''; 1380: my $start=$numver; 1381: my $end=$numver + 1; 1382: %{$$imsfiles{$idx}}=(); 1383: if ($type eq 'allversions') { 1384: unless($seeid) { 1385: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1386: return $discussion; 1387: } 1388: } 1389: # $$screenname=&Apache::loncommon::screenname( 1390: # $$contrib{$idx.':sendername'}, 1391: # $$contrib{$idx.':senderdomain'}); 1392: $$plainname=&Apache::loncommon::nickname( 1393: $$contrib{$idx.':sendername'}, 1394: $$contrib{$idx.':senderdomain'}); 1395: $$screenname=$$contrib{$idx.':screenname'}; 1396: 1397: my $sender=&Apache::loncommon::aboutmewrapper( 1398: $$plainname, 1399: $$contrib{$idx.':sendername'}, 1400: $$contrib{$idx.':senderdomain'}).' ('. 1401: $$contrib{$idx.':sendername'}.':'. 1402: $$contrib{$idx.':senderdomain'}.')'; 1403: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1404: my @postversions = (); 1405: if ($type eq 'allversions' || $type eq 'export') { 1406: $start = 0; 1407: if ($$contrib{$idx.':history'}) { 1408: @postversions = split(/:/,$$contrib{$idx.':history'}); 1409: } 1410: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1411: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1412: push(@postversions,$$contrib{$idx.':timestamp'}); 1413: $end = @postversions; 1414: } else { 1415: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1416: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1417: } 1418: 1419: if ($$contrib{$idx.':anonymous'}) { 1420: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1421: } 1422: if ($type eq 'allversions') { 1423: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1424: } 1425: for (my $i=$start; $i<$end; $i++) { 1426: my ($timesent,$attachmsg); 1427: my %currattach = (); 1428: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1429: unless (&contains_block_html($messages->{$i})) { 1430: &newline_to_br(\$messages->{$i}); 1431: } 1432: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1433: $$subjects{$i}=~s/\n/\<br \/\>/g; 1434: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1435: if ($attachmenturls) { 1436: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1437: } 1438: if ($type eq 'export') { 1439: $$imsfiles{$idx}{$i} = ''; 1440: if ($attachmsg) { 1441: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1442: foreach my $key (sort(keys(%currattach))) { 1443: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1444: my $fname = $1.$3.'/'.$4; 1445: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1446: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1447: } 1448: } 1449: } 1450: } else { 1451: if ($attachmsg) { 1452: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1453: } else { 1454: $$attachtxt{$i} = ''; 1455: } 1456: } 1457: if ($type eq 'allversions') { 1458: $discussion.= <<"END"; 1459: <li><b>$$subjects{$i}</b>, $timesent<br /> 1460: $$messages{$i}<br /> 1461: $$attachtxt{$i}</li> 1462: END 1463: } 1464: } 1465: if ($type eq 'allversions') { 1466: $discussion.='</ul>'; 1467: return $discussion; 1468: } else { 1469: return; 1470: } 1471: } 1472: 1473: sub replicate_attachments { 1474: my ($attachrefs,$tempexport) = @_; 1475: my $response; 1476: foreach my $id (keys(%{$attachrefs})) { 1477: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1478: my $path = $tempexport; 1479: my $tail = $1.'/'.$2.$4; 1480: my @extras = split(/\//,$tail); 1481: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1482: if (!-e $destination) { 1483: my $i= 0; 1484: while ($i<@extras) { 1485: $path .= '/'.$extras[$i]; 1486: if (!-e $path) { 1487: mkdir($path,0700); 1488: } 1489: $i ++; 1490: } 1491: my ($content,$rtncode); 1492: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1493: if ($uploadreply eq 'ok') { 1494: my $attachcopy; 1495: if ($attachcopy = Apache::File->new('>'.$destination)) { 1496: print $attachcopy $content; 1497: close($attachcopy); 1498: } else { 1499: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1500: } 1501: } else { 1502: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1503: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1504: } 1505: } 1506: } 1507: } 1508: return $response; 1509: } 1510: 1511: sub mail_screen { 1512: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1513: if (exists($env{'form.origpage'})) { 1514: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1515: } 1516: 1517: my %lt = &Apache::lonlocal::texthash( 1518: 'myqu' => 'My question/comment/feedback:', 1519: 'title' => 'Title', 1520: 'reta' => 'Retained attachments', 1521: 'atta' => 'Attachment', 1522: ); 1523: my $restitle = &get_resource_title($caller_symb,$feedurl); 1524: my $quote=''; 1525: my $subject = ''; 1526: my $comment = ''; 1527: my $prevtag = ''; 1528: my $parentmsg = ''; 1529: my ($symb,$idx,$attachmenturls); 1530: my $numoldver = 0; 1531: my $attachmsg = ''; 1532: my $newattachmsg = ''; 1533: my @currnewattach = (); 1534: my @currdelold = (); 1535: my @keepold = (); 1536: my %attachments = (); 1537: my %currattach = (); 1538: my $attachnum = 0; 1539: my $anonchk = (<<END); 1540: function anonchk() { 1541: for (var i=0; i < document.mailform.discuss.length; i++) { 1542: if (document.mailform.discuss[i].checked) { 1543: document.attachment.discuss.value = 1544: document.mailform.discuss[i].value; 1545: } 1546: } 1547: if (document.mailform.blog.checked) { 1548: document.attachment.blog.value = 1; 1549: } 1550: return 1551: } 1552: END 1553: my $anonscript; 1554: if (exists($env{'form.origpage'})) { 1555: $anonscript = (<<END); 1556: function setposttype() { 1557: var disc = "$env{'form.discuss'}"; 1558: for (var i=0; i < document.mailform.discuss.length; i++) { 1559: if (disc == document.mailform.discuss[i].value) { 1560: document.mailform.discuss[i].checked = 1; 1561: } 1562: } 1563: var blog = "$env{'form.blog'}"; 1564: if (blog == 1) { 1565: document.mailform.blog.checked=1; 1566: } 1567: return 1568: } 1569: END 1570: } else { 1571: $anonscript = (<<END); 1572: function setposttype() { 1573: return 1574: } 1575: END 1576: } 1577: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1578: if ($env{'form.replydisc'}) { 1579: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1580: } else { 1581: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1582: } 1583: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1584: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1585: $env{'course.'.$env{'request.course.id'}.'.num'}); 1586: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1587: if ($contrib{$idx.':history'}) { 1588: if ($contrib{$idx.':history'} =~ /:/) { 1589: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1590: $numoldver = @oldversions; 1591: } else { 1592: $numoldver = 1; 1593: } 1594: } 1595: if ($env{'form.replydisc'}) { 1596: if ($contrib{$idx.':history'}) { 1597: if ($contrib{$idx.':history'} =~ /:/) { 1598: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1599: $numoldver = @oldversions; 1600: } else { 1601: $numoldver = 1; 1602: } 1603: } 1604: if ($idx > 0) { 1605: my %msgversions = (); 1606: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1607: $quote = $msgversions{$numoldver}; 1608: } 1609: if ($idx > 0) { 1610: my %subversions = (); 1611: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1612: $subject = &mt('Re: ').$subversions{$numoldver}; 1613: } 1614: $subject = &HTML::Entities::encode($subject,'<>&"'); 1615: } else { 1616: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1617: if ($idx > 0) { 1618: my %msgversions = (); 1619: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1620: $comment = $msgversions{$numoldver}; 1621: my %subversions = (); 1622: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1623: $subject = $subversions{$numoldver}; 1624: } 1625: if (defined($contrib{$idx.':replyto'})) { 1626: $parentmsg = $contrib{$idx.':replyto'}; 1627: } 1628: unless (exists($env{'form.origpage'})) { 1629: my $anonflag = 'nonanon'; 1630: if ($contrib{$idx.':anonymous'}) { 1631: $anonflag = 'anon'; 1632: } 1633: $anonscript = (<<END); 1634: function setposttype () { 1635: var currtype = "$anonflag"; 1636: for (var i=0; i<document.mailform.discuss.length; i++) { 1637: if (document.mailform.elements.discuss[i].value == currtype ) { 1638: document.mailform.elements.discuss[i].checked=1; 1639: } 1640: } 1641: return 1642: } 1643: END 1644: } 1645: } 1646: } 1647: if ($env{'form.previous'}) { 1648: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1649: } 1650: } 1651: 1652: if ($env{'form.origpage'}) { 1653: $subject = &unescape($env{'form.subject'}); 1654: $comment = &unescape($env{'form.comment'}); 1655: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1656: } 1657: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1658: my $send=&mt('Send'); 1659: my $alert = &mt('Please select a feedback type.'); 1660: my $js= <<END; 1661: <script type="text/javascript"> 1662: // 1696: </script> 1697: END 1698: 1699: my ($textareaheader,$textareaclass); 1700: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1701: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1702: $textareaclass = 'class="LC_richDefaultOff"'; 1703: if ($env{'request.course.id'}) { 1704: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1705: undef($textareaclass); 1706: } 1707: } 1708: } 1709: 1710: # Breadcrumbs 1711: my $brcrum = [{'href' => '', 1712: 'text' => 'Resource Feedback and Discussion'}]; 1713: 1714: my %onload = ('onload' => 'window.focus();setposttype();'); 1715: my %parms=('add_entries' => \%onload); 1716: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1717: my $start_page= 1718: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1719: 1720: if ($quote ne '') { 1721: $quote = &HTML::Entities::decode($quote); 1722: unless (&contains_block_html($quote)) { 1723: &newline_to_br(\$quote); 1724: } 1725: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1726: } 1727: my $header=''; 1728: unless ($env{'form.modal'}) { 1729: $header="<h2><tt>$restitle</tt></h2>"; 1730: } 1731: $r->print(<<END); 1732: $start_page 1733: $header 1734: <form action="/adm/feedback" method="post" name="mailform" 1735: enctype="multipart/form-data"> 1736: $prevtag 1737: <input type="hidden" name="postdata" value="$feedurl" /> 1738: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1739: END 1740: if ($env{'form.replydisc'}) { 1741: $r->print(<<END); 1742: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1743: END 1744: } elsif ($env{'form.editdisc'}) { 1745: $r->print(<<END); 1746: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1747: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1748: END 1749: } 1750: $r->print(<<END); 1751: $options 1752: $quote 1753: <p>$lt{'myqu'} 1754: $textareaheader 1755: </p> 1756: <p> 1757: $latexHelp 1758: </p> 1759: <p> 1760: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1761: <p> 1762: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1763: </textarea></p> 1764: END 1765: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1766: if ($env{'form.origpage'}) { 1767: foreach my $attach (@currnewattach) { 1768: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1769: } 1770: foreach my $oldatt (@currdelold) { 1771: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1772: } 1773: } 1774: if ($env{'form.editdisc'}) { 1775: if ($attachmenturls) { 1776: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1777: $attachnum = scalar(keys(%currattach)); 1778: foreach my $key (keys(%currattach)) { 1779: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1780: } 1781: } 1782: } 1783: } else { 1784: $r->print(<<END); 1785: <p> 1786: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1787: </p> 1788: END 1789: } 1790: if (exists($env{'form.group'})) { 1791: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1792: } 1793: if (exists($env{'form.ref'})) { 1794: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1795: } 1796: $r->print(<<END); 1797: <p> 1798: <input type="hidden" name="sendit" value="1" /> 1799: <input type="button" value="$send" onclick='gosubmit();' /> 1800: </p> 1801: </form> 1802: END 1803: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1804: my $now = time; 1805: my $ressymb = $symb; 1806: &Apache::lonenc::check_encrypt(\$ressymb); 1807: my $postidx = ''; 1808: if ($env{'form.editdisc'}) { 1809: $postidx = $idx; 1810: } 1811: if (@currnewattach > 0) { 1812: $attachnum += @currnewattach; 1813: } 1814: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1815: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1816: if ($attachnum > 0) { 1817: if (@currnewattach > 0) { 1818: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1819: if (@currnewattach > 1) { 1820: $newattachmsg .= '<ol>'; 1821: foreach my $item (@currnewattach) { 1822: $item =~ m#.*/([^/]+)$#; 1823: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1824: } 1825: $newattachmsg .= '</ol>'."\n"; 1826: } else { 1827: $currnewattach[0] =~ m#.*/([^/]+)$#; 1828: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1829: } 1830: } 1831: if ($attachmsg) { 1832: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1833: } 1834: if ($newattachmsg) { 1835: $r->print("$newattachmsg<br />"); 1836: } 1837: } 1838: } 1839: $r->print(&generate_preview_button(). 1840: &Apache::loncommon::end_page()); 1841: 1842: } 1843: 1844: sub print_display_options { 1845: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1846: &Apache::loncommon::content_type($r,'text/html'); 1847: $r->send_http_header; 1848: 1849: my $function = &Apache::loncommon::get_users_function(); 1850: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1851: $env{'user.domain'}); 1852: 1853: my %lt = &Apache::lonlocal::texthash( 1854: 'pref' => 'Display Preference', 1855: 'curr' => 'Current setting ', 1856: 'actn' => 'Action', 1857: 'deff' => 'Default for all discussions', 1858: 'prca' => 'Preferences can be set for this discussion that determine ....', 1859: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1860: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1861: 'wipa' => 'Whether individual posts can be marked as read/unread', 1862: 'allposts' => 'All posts', 1863: 'unread' => 'New posts only', 1864: 'unmark' => 'Posts not marked read', 1865: 'ondisp' => 'Once displayed', 1866: 'onmark' => 'Once marked not NEW', 1867: 'toggon' => 'Shown', 1868: 'toggoff' => 'Not shown', 1869: 'disa' => 'Posts displayed?', 1870: 'npmr' => 'New posts cease to be identified as "NEW"?', 1871: 'dotm' => 'Option to mark each post as read/unread?', 1872: 'chgt' => 'Change to ', 1873: 'mkdf' => 'Set to ', 1874: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1875: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1876: ); 1877: 1878: my $dispchangeA = $lt{'unread'}; 1879: my $dispchangeB = $lt{'unmark'}; 1880: my $markchange = $lt{'ondisp'}; 1881: my $toggchange = $lt{'toggon'}; 1882: my $currdisp = $lt{'allposts'}; 1883: my $currmark = $lt{'onmark'}; 1884: my $discdisp = 'allposts'; 1885: my $discmark = 'onmark'; 1886: my $currtogg = $lt{'toggoff'}; 1887: my $disctogg = 'toggoff'; 1888: 1889: if ($dispchgA eq 'allposts') { 1890: $dispchangeA = $lt{'allposts'}; 1891: $currdisp = $lt{'unread'}; 1892: $discdisp = 'unread'; 1893: } 1894: 1895: if ($markchg eq 'markonread') { 1896: $markchange = $lt{'onmark'}; 1897: $currmark = $lt{'ondisp'}; 1898: $discmark = 'ondisp'; 1899: } 1900: 1901: if ($dispchgB eq 'onlyunread') { 1902: $dispchangeB = $lt{'unread'}; 1903: $currdisp = $lt{'unmark'}; 1904: $discdisp = 'unmark'; 1905: } 1906: if ($toggchg eq 'toggoff') { 1907: $toggchange = $lt{'toggoff'}; 1908: $currtogg = $lt{'toggon'}; 1909: $disctogg = 'toggon'; 1910: } 1911: 1912: my $js = <<END; 1913: <script type="text/javascript"> 1914: function discdispChk(caller) { 1915: var disctogg = '$toggchg' 1916: if (caller == 0) { 1917: if (document.modifydisp.discdisp[0].checked == true) { 1918: if (document.modifydisp.discdisp[1].checked == true) { 1919: document.modifydisp.discdisp[1].checked = false 1920: } 1921: } 1922: } 1923: if (caller == 1) { 1924: if (document.modifydisp.discdisp[1].checked == true) { 1925: if (document.modifydisp.discdisp[0].checked == true) { 1926: document.modifydisp.discdisp[0].checked = false 1927: } 1928: if (disctogg == 'toggon') { 1929: document.modifydisp.disctogg.checked = true 1930: } 1931: if (disctogg == 'toggoff') { 1932: document.modifydisp.disctogg.checked = false 1933: } 1934: } 1935: } 1936: if (caller == 2) { 1937: var dispchgB = '$dispchgB' 1938: if (disctogg == 'toggoff') { 1939: if (document.modifydisp.disctogg.checked == true) { 1940: if (dispchgB == 'onlyunmark') { 1941: document.modifydisp.discdisp[1].checked = false 1942: } 1943: } 1944: } 1945: } 1946: } 1947: 1948: function setDisp() { 1949: var prev = "$previous" 1950: var chktotal = 0 1951: if (document.modifydisp.discdisp[0].checked == true) { 1952: document.modifydisp.$dispchgA.value = "$symb" 1953: chktotal ++ 1954: } 1955: if (document.modifydisp.discdisp[1].checked == true) { 1956: document.modifydisp.$dispchgB.value = "$symb" 1957: chktotal ++ 1958: } 1959: if (document.modifydisp.discmark.checked == true) { 1960: document.modifydisp.$markchg.value = "$symb" 1961: chktotal ++ 1962: } 1963: if (document.modifydisp.disctogg.checked == true) { 1964: document.modifydisp.$toggchg.value = "$symb" 1965: chktotal ++ 1966: } 1967: if (chktotal > 0) { 1968: document.modifydisp.submit() 1969: } else { 1970: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1971: if (prev > 0) { 1972: location.href = "$feedurl?previous=$previous" 1973: } else { 1974: location.href = "$feedurl" 1975: } 1976: } 1977: } 1978: } 1979: </script> 1980: END 1981: 1982: 1983: my $start_page = 1984: &Apache::loncommon::start_page('Discussion display options',$js); 1985: my $end_page = 1986: &Apache::loncommon::end_page(); 1987: $r->print(<<END); 1988: $start_page 1989: <form name="modifydisp" method="post" action="/adm/feedback"> 1990: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1991: <br /> 1992: END 1993: $r->print(&Apache::loncommon::start_data_table()); 1994: $r->print(<<END); 1995: <tr> 1996: <th>$lt{'pref'}</td> 1997: <th>$lt{'curr'}</td> 1998: <th>$lt{'actn'}?</td> 1999: </tr> 2000: END 2001: $r->print(&Apache::loncommon::start_data_table_row()); 2002: $r->print(<<END); 2003: <td>$lt{'disa'}</td> 2004: <td>$lt{$discdisp}</td> 2005: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2006: <br /> 2007: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2008: </td> 2009: END 2010: $r->print(&Apache::loncommon::end_data_table_row()); 2011: $r->print(&Apache::loncommon::start_data_table_row()); 2012: $r->print(<<END); 2013: <td>$lt{'npmr'}</td> 2014: <td>$lt{$discmark}</td> 2015: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2016: END 2017: $r->print(&Apache::loncommon::end_data_table_row()); 2018: $r->print(&Apache::loncommon::start_data_table_row()); 2019: $r->print(<<END); 2020: <td>$lt{'dotm'}</td> 2021: <td>$lt{$disctogg}</td> 2022: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2023: END 2024: my $save = &mt('Save'); 2025: $r->print(&Apache::loncommon::end_data_table_row()); 2026: $r->print(&Apache::loncommon::end_data_table()); 2027: $r->print(<<END); 2028: <br /> 2029: <br /> 2030: <input type="hidden" name="symb" value="$symb" /> 2031: <input type="hidden" name="previous" value="$previous" /> 2032: <input type="hidden" name="$dispchgA" value="" /> 2033: <input type="hidden" name="$dispchgB" value="" /> 2034: <input type="hidden" name="$markchg" value="" /> 2035: <input type="hidden" name="$toggchg" value="" /> 2036: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2037: END 2038: if (exists($env{'form.group'})) { 2039: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2040: } 2041: if (exists($env{'form.ref'})) { 2042: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2043: } 2044: $r->print(" 2045: <br /> 2046: <br /> 2047: </form> 2048: $end_page 2049: "); 2050: return; 2051: } 2052: 2053: sub print_sortfilter_options { 2054: my ($r,$symb,$previous,$feedurl) = @_; 2055: 2056: &Apache::loncommon::content_type($r,'text/html'); 2057: $r->send_http_header; 2058: 2059: &Apache::lonenc::check_encrypt(\$symb); 2060: my @sections; 2061: my $section_sel = ''; 2062: my $numvisible = 5; 2063: my @groups; 2064: my $group_sel = ''; 2065: my $numgroupvis = 5; 2066: my %sectioncount = &Apache::loncommon::get_sections(); 2067: my @courseroles = qw(st ad ep ta in); 2068: my $crstype = &Apache::loncommon::course_type(); 2069: my $ccrole = 'cc'; 2070: if ($crstype eq 'Community') { 2071: $ccrole = 'co'; 2072: } 2073: push(@courseroles,$ccrole); 2074: 2075: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2076: @sections = ('all',$env{'request.course.sec'}); 2077: $numvisible = 2; 2078: } else { 2079: @sections = sort {$a cmp $b} keys(%sectioncount); 2080: if (scalar(@sections) < 4) { 2081: $numvisible = scalar(@sections) + 1; 2082: } 2083: unshift(@sections,'all'); # Put 'all' at the front of the list 2084: 2085: } 2086: foreach my $sec (@sections) { 2087: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2088: } 2089: 2090: if (&check_group_priv() eq 'ok') { 2091: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2092: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2093: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2094: @groups = sort {$a cmp $b} keys(%curr_groups); 2095: if (scalar(@groups) < 4) { 2096: $numgroupvis = scalar(@groups) + 1; 2097: } 2098: unshift(@groups,'all'); # Put 'all' at the front of the list 2099: } else { 2100: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2101: if (@coursegroups > 0) { 2102: @coursegroups = sort {$a cmp $b} @coursegroups; 2103: @groups = ('all',@coursegroups); 2104: if (scalar(@groups) < 4) { 2105: $numgroupvis = scalar(@groups) + 1; 2106: } 2107: } else { 2108: @groups = ('all'); 2109: $numgroupvis = 1; 2110: } 2111: } 2112: foreach my $group (@groups) { 2113: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2114: } 2115: 2116: my $function = &Apache::loncommon::get_users_function(); 2117: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2118: $env{'user.domain'}); 2119: my %lt = &Apache::lonlocal::texthash( 2120: 'diop' => 'Display Options', 2121: 'curr' => 'Current setting ', 2122: 'actn' => 'Action', 2123: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2124: 'soor' => 'Sort order', 2125: 'spur' => 'Specific user roles', 2126: 'sprs' => 'Specific role status', 2127: 'spse' => 'Specific sections', 2128: 'spgr' => 'Specific groups', 2129: 'psub' => 'Pick specific users (by name)', 2130: 'shal' => 'Show a list of current posters', 2131: 'stor' => 'Save changes', 2132: ); 2133: 2134: my %sort_types = (); 2135: my %role_types = (); 2136: my %status_types = (); 2137: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2138: 2139: my $js = <<END; 2140: <script type="text/javascript"> 2141: function verifyFilter() { 2142: var rolenum = 0 2143: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2144: if (document.modifyshown.rolefilter.options[i].selected == true) { 2145: rolenum ++ 2146: } 2147: } 2148: if (rolenum == 0) { 2149: document.modifyshown.rolefilter.options[0].selected = true 2150: } 2151: 2152: var secnum = 0 2153: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2154: if (document.modifyshown.sectionpick.options[i].selected == true) { 2155: secnum ++ 2156: } 2157: } 2158: if (secnum == 0) { 2159: document.modifyshown.sectionpick.options[0].selected = true 2160: } 2161: 2162: var grpnum = 0 2163: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2164: if (document.modifyshown.grouppick.options[i].selected == true) { 2165: grpnum ++ 2166: } 2167: } 2168: if (grpnum == 0) { 2169: document.modifyshown.grouppick.options[0].selected = true 2170: } 2171: 2172: document.modifyshown.submit(); 2173: } 2174: </script> 2175: END 2176: 2177: my $start_page= 2178: &Apache::loncommon::start_page('Discussion options',$js); 2179: my $end_page= 2180: &Apache::loncommon::end_page(); 2181: 2182: $r->print(<<END); 2183: $start_page 2184: <form name="modifyshown" method="post" action="/adm/feedback"> 2185: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2186: <br /><br /> 2187: <table border="0"> 2188: <tr> 2189: <th>$lt{'soor'}</th> 2190: <th> </th> 2191: <th>$lt{'sprs'}</th> 2192: <th> </th> 2193: <th>$lt{'spur'}</th> 2194: <th> </th> 2195: <th>$lt{'spse'}</th> 2196: <th> </th> 2197: <th>$lt{'spgr'}</th> 2198: <th> </th> 2199: <th>$lt{'psub'}</th> 2200: </tr> 2201: <tr> 2202: <td align="center" valign="top"> 2203: <select name="sortposts"> 2204: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2205: <option value="descdate">$sort_types{'descdate'}</option> 2206: <option value="thread">$sort_types{'thread'}</option> 2207: <option value="subject">$sort_types{'subject'}</option> 2208: <option value="username">$sort_types{'username'}</option> 2209: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2210: </select> 2211: </td> 2212: <td> </td> 2213: <td align="center" valign="top"> 2214: <select name="statusfilter"> 2215: <option value="all" selected="selected">$status_types{'all'}</option> 2216: <option value="Active">$status_types{'Active'}</option> 2217: <option value="Expired">$status_types{'Expired'}</option> 2218: <option value="Future">$status_types{'Future'}</option> 2219: </select> 2220: </td> 2221: <td> </td> 2222: <td align="center" valign="top"> 2223: <select name="rolefilter" multiple="multiple" size="5"> 2224: <option value="all">$role_types{'all'}</option> 2225: <option value="st">$role_types{'st'}</option> 2226: <option value="$ccrole">$role_types{$ccrole}</option> 2227: <option value="in">$role_types{'in'}</option> 2228: <option value="ta">$role_types{'ta'}</option> 2229: <option value="ep">$role_types{'ep'}</option> 2230: <option value="ad">$role_types{'ad'}</option> 2231: <option value="cr">$role_types{'cr'}</option> 2232: </select> 2233: </td> 2234: <td> </td> 2235: <td align="center" valign="top"> 2236: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2237: $section_sel 2238: </select> 2239: </td> 2240: <td> </td> 2241: <td align="center" valign="top"> 2242: <select name="grouppick" multiple="multiple" size="$numvisible"> 2243: $group_sel 2244: </select> 2245: </td> 2246: <td> </td> 2247: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2248: </tr> 2249: </table> 2250: <br /> 2251: <br /> 2252: <input type="hidden" name="previous" value="$previous" /> 2253: <input type="hidden" name="applysort" value="$symb" /> 2254: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2255: END 2256: if (exists($env{'form.group'})) { 2257: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2258: } 2259: if (exists($env{'form.ref'})) { 2260: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2261: } 2262: $r->print(" 2263: <br /> 2264: <br /> 2265: </form> 2266: $end_page 2267: "); 2268: } 2269: 2270: sub print_showposters { 2271: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2272: 2273: &Apache::loncommon::content_type($r,'text/html'); 2274: $r->send_http_header; 2275: 2276: &Apache::lonenc::check_encrypt(\$symb); 2277: my $crs='/'.$env{'request.course.id'}; 2278: if ($env{'request.course.sec'}) { 2279: $crs.='_'.$env{'request.course.sec'}; 2280: } 2281: $crs=~s/\_/\//g; 2282: my $seeid; 2283: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2284: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2285: my $group = $env{'form.group'}; 2286: my $ressymb = &wrap_symb($symb); 2287: if (($group ne '') && 2288: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2289: if (&check_group_priv($group,'dgp') eq 'ok') { 2290: $seeid = 1; 2291: } 2292: } else { 2293: $seeid=&Apache::lonnet::allowed('rin',$crs); 2294: } 2295: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2296: $cdom,$cnum); 2297: my %namesort = (); 2298: my %postcounts = (); 2299: 2300: my %lt = &Apache::lonlocal::texthash( 2301: sele => 'Select', 2302: full => 'Fullname', 2303: usdo => 'Username:domain', 2304: post => 'Posts', 2305: ); 2306: if ($contrib{'version'}) { 2307: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2308: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2309: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2310: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2311: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2312: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2313: my $lastname = $names{'lastname'}; 2314: my $firstname = $names{'firstname'}; 2315: if ($lastname eq '') { 2316: $lastname = '_'; 2317: } 2318: if ($firstname eq '') { 2319: $firstname = '_'; 2320: } 2321: unless (defined($namesort{$lastname})) { 2322: %{$namesort{$lastname}} = (); 2323: } 2324: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2325: $postcounts{$poster} ++; 2326: if (defined($namesort{$lastname}{$firstname})) { 2327: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2328: push(@{$namesort{$lastname}{$firstname}}, $poster); 2329: } 2330: } else { 2331: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2332: } 2333: } 2334: } 2335: } 2336: } 2337: 2338: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2339: my $table_start =&Apache::loncommon::start_data_table(); 2340: $r->print(<<END); 2341: $start_page 2342: <form name="pickpostersform" method="post"> 2343: <br /> 2344: $table_start 2345: <tr> 2346: <th>#</th> 2347: <th>$lt{'sele'}</th> 2348: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2349: <th>$lt{'post'}</th> 2350: </tr> 2351: END 2352: my $count = 0; 2353: foreach my $last (sort(keys(%namesort))) { 2354: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2355: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2356: my ($uname,$udom) = split(/:/,$user); 2357: if (!$uname || !$udom) { 2358: next; 2359: } else { 2360: $count ++; 2361: $r->print(&Apache::loncommon::start_data_table_row(). 2362: '<td align="right">'.$count.'</td> 2363: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2364: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2365: <td>'.$postcounts{$user}.'</td>'. 2366: &Apache::loncommon::end_data_table_row()); 2367: } 2368: } 2369: } 2370: } 2371: $r->print(&Apache::loncommon::end_data_table()); 2372: my $end_page = &Apache::loncommon::end_page(); 2373: $r->print(<<END); 2374: <br /> 2375: <input type="hidden" name="sortposts" value="$sortposts" /> 2376: <input type="hidden" name="userpick" value="$symb" /> 2377: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2378: </form> 2379: $end_page 2380: END 2381: } 2382: 2383: sub get_post_versions { 2384: my ($versions,$incoming,$htmldecode,$numver) = @_; 2385: if ($incoming =~ /^<version num="0">/) { 2386: my $p = HTML::LCParser->new(\$incoming); 2387: my $done = 0; 2388: 2389: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2390: my $num = $token->[1]{num}; 2391: my $text = $p->get_text("/version"); 2392: if (defined($numver)) { 2393: if ($num == $numver) { 2394: if ($htmldecode) { 2395: $text = &HTML::Entities::decode($text); 2396: } 2397: $$versions{$numver}=$text; 2398: $done = 1; 2399: } 2400: } else { 2401: if ($htmldecode) { 2402: $text = &HTML::Entities::decode($text); 2403: } 2404: $$versions{$num}=$text; 2405: } 2406: } 2407: } else { 2408: if (!defined($numver)) { 2409: $numver = 0; 2410: } 2411: if ($htmldecode) { 2412: $$versions{$numver} = $incoming; 2413: } else { 2414: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2415: } 2416: } 2417: return; 2418: } 2419: 2420: sub get_post_attachments { 2421: my ($attachments,$attachmenturls) = @_; 2422: my $num; 2423: if ($attachmenturls =~ m/^<attachment id="0">/) { 2424: my $p = HTML::LCParser->new(\$attachmenturls); 2425: while (my $token = $p->get_tag("attachment","filename","post")) { 2426: if ($token->[0] eq "attachment") { 2427: $num = $token->[1]{id}; 2428: %{$$attachments{$num}} =(); 2429: } elsif ($token->[0] eq "filename") { 2430: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2431: } elsif ($token->[0] eq "post") { 2432: my $id = $token->[1]{id}; 2433: $$attachments{$num}{$id} = $p->get_text("/post"); 2434: } 2435: } 2436: } else { 2437: %{$$attachments{'0'}} = (); 2438: $$attachments{'0'}{'filename'} = $attachmenturls; 2439: $$attachments{'0'}{'0'} = 'n'; 2440: } 2441: 2442: return; 2443: } 2444: 2445: sub fail_redirect { 2446: my ($r,$feedurl) = @_; 2447: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2448: my %lt = &Apache::lonlocal::texthash( 2449: 'sorr' => 'Sorry, no recipients ...', 2450: ); 2451: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2452: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2453: {'redirect' => [2,$feedurl], 2454: 'only_body' => 1,})); 2455: $r->print(<<ENDFAILREDIR); 2456: <img align="right" src="$logo" /> 2457: <b>$lt{'sorr'}</b> 2458: ENDFAILREDIR 2459: $r->print(&Apache::loncommon::end_page()); 2460: } 2461: 2462: sub redirect_back { 2463: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2464: my $sorttag = ''; 2465: my $roletag = ''; 2466: my $statustag = ''; 2467: my $sectag = ''; 2468: my $grptag = ''; 2469: my $userpicktag = ''; 2470: my $qrystr = ''; 2471: my $prevtag = ''; 2472: 2473: &Apache::loncommon::content_type($r,'text/html'); 2474: $r->send_http_header; 2475: &dewrapper(\$feedurl); 2476: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2477: if ($previous > 0) { 2478: $qrystr = 'previous='.$previous; 2479: if ($feedurl =~ /\?register=1/) { 2480: $feedurl .= '&'.$qrystr; 2481: } else { 2482: $feedurl .= '?'.$qrystr; 2483: } 2484: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2485: } 2486: if (defined($sort)) { 2487: my $sortqry = 'sortposts='.$sort; 2488: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2489: $feedurl .= '&'.$sortqry; 2490: } else { 2491: $feedurl .= '?'.$sortqry; 2492: } 2493: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2494: if (defined($numpicks)) { 2495: my $userpickqry = 'totposters='.$numpicks; 2496: $feedurl .= '&'.$userpickqry; 2497: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2498: } else { 2499: if (ref($sectionpick) eq 'ARRAY') { 2500: $feedurl .= '&sectionpick='; 2501: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2502: foreach my $sec (@{$sectionpick}) { 2503: $feedurl .= $sec.','; 2504: $sectag .= $sec.','; 2505: } 2506: $feedurl =~ s/,$//; 2507: $sectag =~ s/,$//; 2508: $sectag .= '" />'; 2509: } else { 2510: $feedurl .= '&sectionpick='.$sectionpick; 2511: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2512: } 2513: if (ref($grouppick) eq 'ARRAY') { 2514: $feedurl .= '&grouppick='; 2515: $sectag .= '<input type="hidden" name="grouppick" value="'; 2516: foreach my $grp (@{$grouppick}) { 2517: $feedurl .= $grp.','; 2518: $grptag .= $grp.','; 2519: } 2520: $feedurl =~ s/,$//; 2521: $grptag =~ s/,$//; 2522: $grptag .= '" />'; 2523: } else { 2524: $feedurl .= '&grouppick='.$grouppick; 2525: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2526: } 2527: if (ref($rolefilter) eq 'ARRAY') { 2528: $feedurl .= '&rolefilter='; 2529: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2530: foreach my $role (@{$rolefilter}) { 2531: $feedurl .= $role.','; 2532: $roletag .= $role.','; 2533: } 2534: $feedurl =~ s/,$//; 2535: $roletag =~ s/,$//; 2536: $roletag .= '" />'; 2537: } else { 2538: $feedurl .= '&rolefilter='.$rolefilter; 2539: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2540: } 2541: $feedurl .= '&statusfilter='.$statusfilter; 2542: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2543: } 2544: } 2545: my $grouptag; 2546: if ($group ne '') { 2547: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2548: my $refarg; 2549: if (exists($env{'form.ref'})) { 2550: $refarg = '&ref='.$env{'form.ref'}; 2551: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2552: } 2553: if ($feedurl =~ /\?/) { 2554: $feedurl .= '&group='.$group.$refarg; 2555: } else { 2556: $feedurl .= '?group='.$group.$refarg; 2557: } 2558: } 2559: &Apache::lonenc::check_encrypt(\$feedurl); 2560: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2561: my %parms=('only_body' => 1); 2562: if ($env{'form.modal'}) { 2563: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2564: } else { 2565: $parms{'redirect'}=[0,$feedurl]; 2566: } 2567: my $start_page= 2568: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2569: my $end_page = &Apache::loncommon::end_page(); 2570: $r->print(<<ENDREDIR); 2571: $start_page 2572: <img align="right" src="$logo" /> 2573: $typestyle 2574: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2575: $blog 2576: $toolarge 2577: <font color="red">$status</font> 2578: <form name="reldt" action="$feedurl" target="loncapaclient"> 2579: $prevtag 2580: $sorttag 2581: $statustag 2582: $roletag 2583: $sectag 2584: $grptag 2585: $userpicktag 2586: $grouptag 2587: </form> 2588: $end_page 2589: ENDREDIR 2590: } 2591: 2592: sub no_redirect_back { 2593: my ($r,$feedurl) = @_; 2594: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2595: 2596: my %onload; 2597: 2598: my %body_options = ('only_body' => 1, 2599: 'bgcolor' => '#FFFFFF', 2600: 'add_entries' => \%onload,); 2601: 2602: if ($feedurl !~ m{^/adm/feedback}) { 2603: $body_options{'rediect'} = [2,$feedurl]; 2604: } 2605: my $start_page= 2606: &Apache::loncommon::start_page('Feedback not sent',undef, 2607: \%body_options); 2608: 2609: my $end_page = &Apache::loncommon::end_page(); 2610: 2611: &Apache::lonenc::check_encrypt(\$feedurl); 2612: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2613: $r->print (<<ENDNOREDIRTWO); 2614: $start_page 2615: <img align="right" src="$logo" /> 2616: <b>$nofeed</b> 2617: <br /> 2618: $end_page 2619: ENDNOREDIRTWO 2620: } 2621: 2622: sub screen_header { 2623: my ($feedurl,$symb,$group) = @_; 2624: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2625: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2626: my $contribdisc = &mt('Contribution to course discussion of resource'); 2627: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2628: my $namevis = &mt('name only visible to course faculty'); 2629: my $crstype; 2630: if ($env{'request.course.id'}) { 2631: $crstype = &Apache::loncommon::course_type(); 2632: if ($crstype eq 'Community') { 2633: $crscontent = &mt('Question/Comment/Feedback about community content'); 2634: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2635: $contribdisc = &mt('Contribution to community discussion of resource'); 2636: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2637: $namevis = &mt('name only visible to community facilitators'); 2638: } 2639: } 2640: my $msgoptions=''; 2641: my $discussoptions=''; 2642: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2643: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2644: $msgoptions= 2645: '<p><label><input type="radio" name="discuss" value="author" /> '. 2646: &mt('Feedback to resource author').'</label></p>'; 2647: } 2648: my %optionhash=(); 2649: foreach my $type ('question','comment','policy') { 2650: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2651: } 2652: if (&feedback_available(1)) { 2653: $msgoptions.= 2654: '<p><label><input type="radio" name="discuss" value="question" /> '. 2655: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2656: } 2657: if (&feedback_available(0,1)) { 2658: $msgoptions.= 2659: '<p><label><input type="radio" name="discuss" value="course" /> '. 2660: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2661: '</label></p>'; 2662: } 2663: if (&feedback_available(0,0,1)) { 2664: $msgoptions.= 2665: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2666: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2667: '</label></p>'; 2668: } 2669: } 2670: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2671: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2672: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2673: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2674: my $realsymb = $symb; 2675: if ($symb=~/^bulletin___/) { 2676: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2677: $filename=~s|^adm/wrapper/||; 2678: $realsymb=&Apache::lonnet::symbread($filename); 2679: } 2680: if (!$blocked && &discussion_open(undef,$realsymb) && 2681: (&Apache::lonnet::allowed('pch', 2682: $env{'request.course.id'}. 2683: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2684: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2685: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2686: $contribdisc. 2687: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2688: $anoncontrib. 2689: ' <i>('.$namevis.')</i></label> '. 2690: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2691: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2692: if (!$blockblog) { 2693: $discussoptions.= &add_blog_checkbox($crstype); 2694: } 2695: } 2696: } 2697: if ($msgoptions) { 2698: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2699: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'. 2700: '<td>'.$msgoptions.'</td></tr>'; 2701: } 2702: if ($discussoptions) { 2703: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2704: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'. 2705: '<td>'.$discussoptions.'</td></tr>'; 2706: } 2707: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table(); 2708: } 2709: 2710: sub resource_output { 2711: my ($feedurl) = @_; 2712: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2713: $usersaw=~s/\<body[^\>]*\>//gi; 2714: $usersaw=~s/\<\/body\>//gi; 2715: $usersaw=~s/\<html\>//gi; 2716: $usersaw=~s/\<\/html\>//gi; 2717: $usersaw=~s/\<head\>//gi; 2718: $usersaw=~s/\<\/head\>//gi; 2719: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2720: return $usersaw; 2721: } 2722: 2723: sub clear_out_html { 2724: my ($message,$override)=@_; 2725: # Always allow the <m>-tag 2726: my %html=(M=>1); 2727: # Check if more is allowed 2728: my $cid=$env{'request.course.id'}; 2729: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2730: ($override)) { 2731: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2732: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2733: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2734: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2735: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2736: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2737: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2738: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2739: } 2740: # Do the substitution of everything that is not explicitly allowed 2741: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2742: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2743: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2744: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2745: return $message; 2746: } 2747: 2748: sub assemble_email { 2749: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2750: my %lt = &Apache::lonlocal::texthash( 2751: 'prev' => 'Previous attempts of student (if applicable)', 2752: 'orig' => 'Original screen output (if applicable)', 2753: 'corr' => 'Correct Answer(s) (if applicable)', 2754: ); 2755: if (&Apache::loncommon::course_type() eq 'Community') { 2756: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2757: } 2758: my $email=<<"ENDEMAIL"; 2759: $message 2760: ENDEMAIL 2761: my $citations=<<"ENDCITE"; 2762: <h2>$lt{'prev'}</h2> 2763: $prevattempts 2764: <br /><hr /> 2765: <h2>$lt{'orig'}</h2> 2766: $usersaw 2767: <h2>$lt{'corr'}</h2> 2768: $useranswer 2769: ENDCITE 2770: return ($email,$citations); 2771: } 2772: 2773: 2774: sub feedback_available { 2775: my ($question,$course,$policy)=@_; 2776: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2777: $course,$policy); 2778: return scalar(%to); 2779: } 2780: 2781: sub send_msg { 2782: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2783: my $status=''; 2784: my $sendsomething=0; 2785: my $restitle = &get_resource_title($symb,$feedurl); 2786: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2787: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2788: foreach my $key (keys(%to)) { 2789: if ($key) { 2790: my ($user,$domain) = split(/\:/,$key,2); 2791: if (!defined($user)) { 2792: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2793: } elsif (!defined($domain)) { 2794: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2795: } else { 2796: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2797: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2798: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2799: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2800: } else { 2801: $sendsomething++; 2802: } 2803: } 2804: } 2805: } 2806: 2807: 2808: my %record=&Apache::lonnet::restore('_feedback'); 2809: my ($temp)=keys(%record); 2810: unless ($temp=~/^error\:/) { 2811: my %newrecord=(); 2812: $newrecord{'resource'}=$feedurl; 2813: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2814: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2815: $status.='<br />'.&mt('Not registered').'<br />'; 2816: } 2817: } 2818: 2819: return ($status,$sendsomething); 2820: } 2821: 2822: sub adddiscuss { 2823: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2824: my $status=''; 2825: my $realsymb; 2826: if ($symb=~/^bulletin___/) { 2827: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2828: $filename=~s|^adm/wrapper/||; 2829: $realsymb=&Apache::lonnet::symbread($filename); 2830: } 2831: my ($cnum,$cdom); 2832: if ($env{'request.course.id'}) { 2833: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2834: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2835: } 2836: if (&discussion_open(undef,$realsymb) && 2837: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2838: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2839: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2840: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2841: 2842: my %contrib=('message' => $email, 2843: 'sendername' => $env{'user.name'}, 2844: 'senderdomain' => $env{'user.domain'}, 2845: 'screenname' => $env{'environment.screenname'}, 2846: 'plainname' => $env{'environment.firstname'}.' '. 2847: $env{'environment.middlename'}.' '. 2848: $env{'environment.lastname'}.' '. 2849: $env{'enrironment.generation'}, 2850: 'attachmenturl'=> $attachmenturl, 2851: 'subject' => $subject); 2852: if ($env{'form.replydisc'}) { 2853: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2854: } 2855: if ($anon) { 2856: $contrib{'anonymous'}='true'; 2857: } 2858: if (($symb) && ($email)) { 2859: my $now = time; 2860: if ($env{'form.editdisc'}) { 2861: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2862: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2863: $contrib{'timestamp'} = $now; 2864: $contrib{'history'} = ''; 2865: my $numoldver = 0; 2866: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2867: &Apache::lonenc::check_decrypt(\$oldsymb); 2868: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2869: # get timestamp for last post and history 2870: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2871: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2872: $env{'course.'.$env{'request.course.id'}.'.num'}); 2873: if (defined($oldcontrib{$oldidx.':replyto'})) { 2874: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2875: } 2876: if (defined($oldcontrib{$oldidx.':history'})) { 2877: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2878: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2879: $numoldver = @oldversions; 2880: } else { 2881: $numoldver = 1; 2882: } 2883: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2884: } 2885: my $numnewver = $numoldver + 1; 2886: if (defined($oldcontrib{$oldidx.':subject'})) { 2887: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2888: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2889: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2890: } else { 2891: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2892: } 2893: } 2894: if (defined($oldcontrib{$oldidx.':message'})) { 2895: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2896: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2897: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2898: } else { 2899: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2900: } 2901: } 2902: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2903: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2904: $oldsymb,$oldidx,\%contrib, 2905: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2906: $env{'course.'.$env{'request.course.id'}.'.num'}); 2907: $status='Editing class discussion'.($anon?' (anonymous)':''); 2908: } else { 2909: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2910: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2911: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2912: $env{'course.'.$env{'request.course.id'}.'.num'}); 2913: } 2914: my %storenewentry=($symb => $now); 2915: $status.='<br />'.&mt('Updating discussion time').': '. 2916: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2917: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2918: $env{'course.'.$env{'request.course.id'}.'.num'}); 2919: } 2920: my %record=&Apache::lonnet::restore('_discussion'); 2921: my ($temp)=keys(%record); 2922: unless ($temp=~/^error\:/) { 2923: my %newrecord=(); 2924: $newrecord{'resource'}=$symb; 2925: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2926: $status.='<br />'.&mt('Registering').': '. 2927: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2928: } 2929: } else { 2930: $status.='Failed.'; 2931: } 2932: return $status.'<br />'; 2933: } 2934: 2935: sub get_discussion_info { 2936: my ($idx,%contrib) = @_; 2937: my $changelast = 0; 2938: my $count = 0; 2939: my $hiddenflag = 0; 2940: my $deletedflag = 0; 2941: my ($hidden,$deleted,%info,$newlastdisc); 2942: my $version = $contrib{'version'}; 2943: if ($version) { 2944: for (my $id=$version; $id>0; $id--) { 2945: my $vkeys=$contrib{$id.':keys'}; 2946: my @keys=split(/:/,$vkeys); 2947: if (grep(/^hidden$/,@keys)) { 2948: if (!$hiddenflag) { 2949: $hidden = $contrib{$id.':hidden'}; 2950: $hiddenflag = 1; 2951: } 2952: } elsif (grep(/^deleted$/,@keys)) { 2953: if (!$deletedflag) { 2954: $deleted = $contrib{$id.':deleted'}; 2955: $deletedflag = 1; 2956: } 2957: } else { 2958: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2959: $count++; 2960: $info{$count}{'id'} = $id; 2961: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2962: } 2963: } 2964: } 2965: if ($info{'1'}{'id'} == $idx) { 2966: $changelast = 1; 2967: if ($count > 1) { 2968: $newlastdisc = $info{'2'}{'timestamp'}; 2969: } else { 2970: $newlastdisc = 0; 2971: } 2972: } 2973: } 2974: return ($changelast,$newlastdisc); 2975: } 2976: 2977: # ----------------------------------------------------------- Preview function 2978: 2979: sub show_preview { 2980: my ($r) = @_; 2981: &Apache::loncommon::content_type($r,'text/html'); 2982: $r->send_http_header; 2983: my $start_page= 2984: &Apache::loncommon::start_page('Preview',undef, 2985: {'only_body' => 1,}); 2986: 2987: my $message=&clear_out_html($env{'form.comment'}); 2988: &newline_to_br(\$message); 2989: $message=&Apache::lonspeller::markeduptext($message); 2990: $message=&Apache::lontexconvert::msgtexconverted($message); 2991: my $subject=&clear_out_html($env{'form.subject'}); 2992: $subject=~s/\n/\<br \/\>/g; 2993: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2994: 2995: my $end_page = &Apache::loncommon::end_page(); 2996: 2997: $r->print($start_page 2998: .'<h1>'.&mt('Preview').'</h1>' 2999: .&Apache::lonhtmlcommon::start_pick_box() 3000: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3001: .$subject 3002: .&Apache::lonhtmlcommon::row_closure() 3003: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3004: .$message 3005: .&Apache::lonhtmlcommon::row_closure(1) 3006: .&Apache::lonhtmlcommon::end_pick_box() 3007: .$end_page 3008: ); 3009: } 3010: 3011: sub contains_block_html { 3012: my ($message)=@_; 3013: return ($message =~ m{ 3014: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3015: \s* 3016: (\w+\=['"]\w+['"])* 3017: \s* 3018: ( 3019: \s*/>| 3020: >.*</\1\s*> 3021: )}xs 3022: ); 3023: } 3024: 3025: sub tidy_html { 3026: my ($message)=@_; 3027: # my $tidy = HTML::Tidy::libXML->new(); 3028: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3029: # $xhtml =~ m/<body>(.*)<\/body>/is; 3030: # my $clean = $1; 3031: # # remove any empty block-level tags 3032: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3033: # $message=$clean; 3034: return $message; 3035: } 3036: 3037: sub newline_to_br { 3038: my ($message)=@_; 3039: my $newmessage; 3040: my $parser=HTML::LCParser->new($message); 3041: while (my $token=$parser->get_token()) { 3042: if ($token->[0] eq 'T') { 3043: my $text=$token->[1]; 3044: $text=~s/\n/\<br \/\>/g; 3045: $newmessage.=$text; 3046: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3047: $newmessage.=$token->[1]; 3048: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3049: $newmessage.=$token->[2]; 3050: } elsif ($token->[0] eq 'S') { 3051: $newmessage.=$token->[4]; 3052: } 3053: 3054: } 3055: $$message=$newmessage; 3056: } 3057: 3058: sub generate_preview_button { 3059: my ($formname,$fieldname)=@_; 3060: unless ($formname) { $formname='mailform'; } 3061: unless ($fieldname) { $fieldname='comment'; } 3062: my $pre=&mt("Show Preview and Check Spelling"); 3063: return(<<ENDPREVIEW); 3064: <br /> 3065: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3066: <input type="hidden" name="subject" /> 3067: <input type="hidden" name="comment" /> 3068: <input type="button" value="$pre" 3069: 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();" /> 3070: </form> 3071: ENDPREVIEW 3072: } 3073: 3074: sub modify_attachments { 3075: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3076: $attachmaxtext,$toolarge)=@_; 3077: 3078: my %lt = &Apache::lonlocal::texthash( 3079: 'subj' => 'Subject', 3080: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3081: 'chth' => 'Check the checkboxes for any you wish to remove.', 3082: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3083: 'adda' => 'Add a new attachment to this post.', 3084: 'stch' => 'Save Changes', 3085: ); 3086: my $js = <<END; 3087: <script type="text/javascript"> 3088: function setAction () { 3089: document.modattachments.action = document.modattachments.origpage.value; 3090: document.modattachments.submit(); 3091: } 3092: </script> 3093: END 3094: 3095: # Breadcrumbs 3096: my $brcrum = [{'href' => '', 3097: 'text' => 'Discussion Post Attachments'}]; 3098: my %parms=(); 3099: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3100: 3101: my $start_page = 3102: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3103: 3104: my $orig_subject = &unescape($env{'form.subject'}); 3105: my $subject=&clear_out_html($orig_subject); 3106: $subject=~s/\n/\<br \/\>/g; 3107: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3108: my $timestamp=$env{'form.timestamp'}; 3109: my $numoldver=$env{'form.numoldver'}; 3110: 3111: my $msg = ''; 3112: my %attachments = (); 3113: my %currattach = (); 3114: if ($idx) { 3115: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3116: } 3117: &Apache::lonenc::check_encrypt(\$symb); 3118: 3119: my $end_page = 3120: &Apache::loncommon::end_page(); 3121: 3122: $r->print(<<END); 3123: $start_page 3124: $toolarge 3125: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3126: <br /> 3127: <table class="LC_data_table"> 3128: <tr> 3129: <td colspan="2"> 3130: <b>Subject:</b> <b>$subject</b><br /><br /> 3131: END 3132: if ($idx) { 3133: if ($attachmenturls) { 3134: my @currold = keys(%currattach); 3135: if (@currold > 0) { 3136: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3137: foreach my $id (@currold) { 3138: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3139: $attachurl =~ m#/([^/]+)$#; 3140: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3141: } 3142: $r->print("<br />"); 3143: } 3144: } 3145: } 3146: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3147: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3148: foreach my $attach (@{$currnewattach}) { 3149: $attach =~ m#/([^/]+)$#; 3150: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3151: } 3152: $r->print("<br />"); 3153: } 3154: $r->print(<<END); 3155: </td></tr> 3156: <tr> 3157: <td> 3158: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3159: </td> 3160: </tr> 3161: <tr> 3162: <td colspan="2">$attachmaxtext</td> 3163: </tr> 3164: </table> 3165: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3166: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3167: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3168: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3169: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3170: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3171: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3172: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3173: END 3174: foreach my $item (@{$currnewattach}) { 3175: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3176: } 3177: foreach my $item (@{$currdelold}) { 3178: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3179: } 3180: $r->print(<<END); 3181: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3182: </form> 3183: $end_page 3184: END 3185: return; 3186: } 3187: 3188: sub process_attachments { 3189: my ($currnewattach,$currdelold,$keepold) = @_; 3190: 3191: @{$currnewattach}= 3192: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3193: @{$currdelold}= 3194: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3195: if (exists($env{'form.delnewattach'})) { 3196: my @currdelnew = 3197: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3198: my @currnew = (); 3199: foreach my $newone (@{$currnewattach}) { 3200: my $delflag = 0; 3201: foreach my $item (@currdelnew) { 3202: if ($newone eq $item) { 3203: $delflag = 1; 3204: last; 3205: } 3206: } 3207: unless ($delflag) { 3208: push(@currnew, $newone); 3209: } 3210: } 3211: @{$currnewattach} = @currnew; 3212: } 3213: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3214: } 3215: 3216: sub generate_attachments_button { 3217: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3218: $numoldver,$mode,$blockblog) = @_; 3219: my $origpage = $ENV{'REQUEST_URI'}; 3220: my $att=$attachnum.' '.&mt("attachments"); 3221: my %lt = &Apache::lonlocal::texthash( 3222: 'clic' => 'Click to add/remove attachments', 3223: ); 3224: my $response = (<<END); 3225: <br /> 3226: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3227: $lt{'clic'}: <input type="button" value="$att" 3228: 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); 3229: END 3230: if (!$blockblog) { 3231: $response .= 'setblogvalue();'; 3232: } 3233: unless ($mode eq 'board') { 3234: $response .= 'javascript:anonchk();'; 3235: } 3236: $response .= (<<ENDATTACH); 3237: this.form.submit();" /> 3238: <input type="hidden" name="origpage" value="$origpage" /> 3239: <input type="hidden" name="idx" value="$idx" /> 3240: <input type="hidden" name="timestamp" value="$now" /> 3241: <input type="hidden" name="subject" /> 3242: <input type="hidden" name="comment" /> 3243: <input type="hidden" name="blog" value="0" /> 3244: <input type="hidden" name="discuss" value="0" /> 3245: <input type="hidden" name="numoldver" value="$numoldver" /> 3246: ENDATTACH 3247: if (defined($deloldattach)) { 3248: if (@{$deloldattach} > 0) { 3249: foreach my $delatt (@{$deloldattach}) { 3250: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3251: } 3252: } 3253: } 3254: if (defined($currnewattach)) { 3255: if (@{$currnewattach} > 0) { 3256: foreach my $attach (@{$currnewattach}) { 3257: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3258: } 3259: } 3260: } 3261: $response .= '</form>'; 3262: return $response; 3263: } 3264: 3265: sub extract_attachments { 3266: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3267: %{$attachments}=(); 3268: &get_post_attachments($attachments,$attachmenturls); 3269: foreach my $id (sort(keys(%{$attachments}))) { 3270: if (exists($$attachments{$id}{$numoldver})) { 3271: if (defined($currdelold)) { 3272: if (@{$currdelold} > 0) { 3273: unless (grep/^$id$/,@{$currdelold}) { 3274: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3275: } 3276: } else { 3277: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3278: } 3279: } else { 3280: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3281: } 3282: } 3283: } 3284: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3285: if (@attached == 1) { 3286: my $id = $attached[0]; 3287: my $attachurl; 3288: if ($attachmenturls =~ m/^<attachment id="0">/) { 3289: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3290: } else { 3291: $attachurl = $$attachments{$id}{'filename'}; 3292: } 3293: $attachurl=~m|/([^/]+)$|; 3294: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3295: $1.'</tt></a><br />'; 3296: &Apache::lonnet::allowuploaded('/adm/feedback', 3297: $attachurl); 3298: } elsif (@attached > 1) { 3299: $$message.='<ol>'; 3300: foreach my $attach (@attached) { 3301: my $id = $attach; 3302: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3303: my ($fname) 3304: =($attachurl=~m|/([^/]+)$|); 3305: $$message .= '<li><a href="'.$attachurl. 3306: '"><tt>'. 3307: $fname.'</tt></a></li>'; 3308: &Apache::lonnet::allowuploaded('/adm/feedback', 3309: $attachurl); 3310: } 3311: $$message .= '</ol>'; 3312: } 3313: } 3314: 3315: sub construct_attachmenturl { 3316: my ($currnewattach,$keepold,$symb,$idx)=@_; 3317: my $oldattachmenturl; 3318: my $newattachmenturl; 3319: my $startnum = 0; 3320: my $currver = 0; 3321: if (($env{'form.editdisc'}) && ($idx)) { 3322: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3323: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3324: $env{'course.'.$env{'request.course.id'}.'.num'}); 3325: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3326: if ($contrib{$idx.':history'}) { 3327: if ($contrib{$idx.':history'} =~ /:/) { 3328: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3329: $currver = 1 + scalar(@oldversions); 3330: } else { 3331: $currver = 2; 3332: } 3333: } else { 3334: $currver = 1; 3335: } 3336: if ($oldattachmenturl) { 3337: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3338: my %attachments = (); 3339: my $prevver = $currver-1; 3340: &get_post_attachments(\%attachments,$oldattachmenturl); 3341: my $numattach = scalar(keys(%attachments)); 3342: $startnum += $numattach; 3343: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3344: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3345: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3346: unless ($item eq 'filename') { 3347: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3348: } 3349: } 3350: if (grep/^$num$/,@{$keepold}) { 3351: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3352: } 3353: $newattachmenturl .= '</attachment>'; 3354: } 3355: } else { 3356: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3357: unless (grep/^0$/,@{$keepold}) { 3358: $newattachmenturl .= '<post id="1">n</post>'; 3359: } 3360: $newattachmenturl .= '</attachment>'; 3361: $startnum ++; 3362: } 3363: } 3364: } 3365: for (my $i=0; $i<@{$currnewattach}; $i++) { 3366: my $attachnum = $startnum + $i; 3367: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3368: } 3369: return $newattachmenturl; 3370: } 3371: 3372: sub add_blog_checkbox { 3373: my ($crstype) = @_; 3374: my $checkstatus; 3375: if ($env{'form.blog'}) { 3376: $checkstatus = 'checked="checked"'; 3377: } 3378: my $output = ' 3379: <script type="text/javascript"> 3380: function setblogvalue() { 3381: if (document.mailform.blog.checked) { 3382: document.attachment.blog.value = 1; 3383: } else { 3384: document.attachment.blog.value = 0; 3385: } 3386: } 3387: </script><br /> 3388: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3389: if ($crstype eq 'Community') { 3390: $output .= &mt('Add to my public community blog'); 3391: } else { 3392: $output .= &mt('Add to my public course blog'); 3393: } 3394: $output .= '</label><br />'."\n"; 3395: return $output; 3396: } 3397: 3398: sub has_discussion { 3399: my $resourcesref = shift; 3400: my $navmap = Apache::lonnavmaps::navmap->new(); 3401: if (defined($navmap)) { 3402: my @allres=$navmap->retrieveResources(); 3403: foreach my $resource (@allres) { 3404: if ($resource->hasDiscussion()) { 3405: my $ressymb = $resource->wrap_symb(); 3406: if (ref($resourcesref) eq 'ARRAY') { 3407: push(@{$resourcesref}, $ressymb); 3408: } 3409: } 3410: } 3411: } else { 3412: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3413: } 3414: return; 3415: } 3416: 3417: sub sort_filter_names { 3418: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3419: if (ref($sort_types) eq 'HASH') { 3420: %{$sort_types} = ( 3421: ascdate => 'Date order - oldest first', 3422: descdate => 'Date order - newest first', 3423: thread => 'Threaded', 3424: subject => 'By subject', 3425: username => 'By domain and username', 3426: lastfirst => 'By last name, first name' 3427: ); 3428: } 3429: my @courseroles = qw(st in ta ep ad); 3430: if ($crstype eq 'Community') { 3431: push(@courseroles,'co'); 3432: } else { 3433: push(@courseroles,'cc'); 3434: } 3435: if (ref($role_types) eq 'HASH') { 3436: foreach my $role (@courseroles) { 3437: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3438: } 3439: $role_types->{'all'} = 'All roles'; 3440: $role_types->{'cr'} = 'Custom role'; 3441: } 3442: if (ref($status_types) eq 'HASH') { 3443: %{$status_types} = ( 3444: all => 'Roles of any status', 3445: Active => 'Only active roles', 3446: Expired => 'Only past roles', 3447: Future => 'Only future roles', 3448: ); 3449: } 3450: } 3451: 3452: sub handler { 3453: my $r = shift; 3454: if ($r->header_only) { 3455: &Apache::loncommon::content_type($r,'text/html'); 3456: $r->send_http_header; 3457: return OK; 3458: } 3459: 3460: # --------------------------- Get query string for limited number of parameters 3461: 3462: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3463: ['modal','hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); 3464: my $group = $env{'form.group'}; 3465: my %attachmax = ( 3466: text => &mt('(128 KB max size)'), 3467: num => 131072, 3468: ); 3469: if ($env{'form.editdisc'}) { 3470: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3471: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3472: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3473: my $feedurl=&Apache::lonnet::clutter($url); 3474: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3475: undef,undef,undef,$group); 3476: return OK; 3477: } 3478: } 3479: if ($env{'form.discsymb'}) { 3480: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3481: my $readkey = $symb.'_read'; 3482: my $chgcount = 0; 3483: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3484: foreach my $key (keys(%env)) { 3485: if ($key =~ m/^form\.postunread_(\d+)/) { 3486: if ($readinghash{$readkey} =~ /\.$1\./) { 3487: $readinghash{$readkey} =~ s/\.$1\.//; 3488: $chgcount ++; 3489: } 3490: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3491: unless ($readinghash{$readkey} =~ /\.$1\./) { 3492: $readinghash{$readkey} .= '.'.$1.'.'; 3493: $chgcount ++; 3494: } 3495: } 3496: } 3497: if ($chgcount > 0) { 3498: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3499: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3500: } 3501: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3502: '0','0','','',$env{'form.previous'},'','','', 3503: undef,undef,undef,$group); 3504: return OK; 3505: } 3506: if ($env{'form.allversions'}) { 3507: &Apache::loncommon::content_type($r,'text/html'); 3508: &Apache::loncommon::no_cache($r); 3509: $r->send_http_header; 3510: 3511: # Breadcrumbs 3512: my $brcrum = [{'href' => '', 3513: 'text' => 'Discussion Post Versions'}]; 3514: 3515: my %parms=(); 3516: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3517: 3518: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3519: 3520: my $crs='/'.$env{'request.course.id'}; 3521: if ($env{'request.course.sec'}) { 3522: $crs.='_'.$env{'request.course.sec'}; 3523: } 3524: $crs=~s|_|/|g; 3525: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3526: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3527: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3528: ($symb)=&get_feedurl_and_clean_symb($symb); 3529: my $ressymb = &wrap_symb($symb); 3530: my $group = $env{'form.group'}; 3531: my $seeid; 3532: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3533: if (&check_group_priv($group,'dgp') eq 'ok') { 3534: $seeid = 1; 3535: } 3536: } else { 3537: $seeid = &Apache::lonnet::allowed('rin',$crs); 3538: } 3539: if ($idx > 0) { 3540: my %messages = (); 3541: my %subjects = (); 3542: my %attachmsgs = (); 3543: my %allattachments = (); 3544: my %imsfiles = (); 3545: my ($screenname,$plainname); 3546: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3547: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3548: $env{'course.'.$env{'request.course.id'}.'.num'}); 3549: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3550: } 3551: $r->print(&Apache::loncommon::end_page()); 3552: return OK; 3553: } 3554: if ($env{'form.posterlist'}) { 3555: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3556: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3557: $env{'form.sortposts'}); 3558: return OK; 3559: } 3560: if ($env{'form.userpick'}) { 3561: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3562: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3563: my $numpicks = @posters; 3564: my %discinfo; 3565: $discinfo{$symb.'_userpick'} = join('&',@posters); 3566: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3567: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3568: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3569: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3570: '',$numpicks,$group); 3571: return OK; 3572: } 3573: if ($env{'form.applysort'}) { 3574: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3575: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3576: '',$env{'form.previous'},$env{'form.sortposts'}, 3577: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3578: $env{'form.sectionpick'},$env{'form.grouppick'}, 3579: undef,$group); 3580: return OK; 3581: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3582: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3583: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3584: return OK; 3585: } elsif ($env{'form.navtime'}) { 3586: my %discinfo = (); 3587: my @resources = (); 3588: if (defined($env{'form.navmaps'})) { 3589: if ($env{'form.navmaps'} =~ /:/) { 3590: @resources = split(/:/,$env{'form.navmaps'}); 3591: } else { 3592: @resources = ("$env{'form.navmaps'}"); 3593: } 3594: } else { 3595: &has_discussion(\@resources); 3596: } 3597: my $numitems = @resources; 3598: my $feedurl = '/adm/navmaps'; 3599: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3600: my %lt = &Apache::lonlocal::texthash( 3601: 'mnpa' => 'Marked "New" posts as read in a total of', 3602: 'robb' => 'resources/bulletin boards.', 3603: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3604: ); 3605: foreach my $res (@resources) { 3606: my $ressymb=$res; 3607: &Apache::lonenc::check_decrypt(\$ressymb); 3608: my $lastkey = $ressymb.'_lastread'; 3609: $discinfo{$lastkey} = $env{'form.navtime'}; 3610: } 3611: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3612: if ($numitems > 0) { 3613: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3614: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3615: } else { 3616: $textline = "<b>$lt{'twnp'}</b>"; 3617: } 3618: &Apache::loncommon::content_type($r,'text/html'); 3619: $r->send_http_header; 3620: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3621: my %onload; 3622: 3623: my $start_page= 3624: &Apache::loncommon::start_page('New posts marked as read',undef, 3625: {'redirect' => [2,$feedurl], 3626: 'only_body' => 1, 3627: 'add_entries' => \%onload}); 3628: my $end_page = &Apache::loncommon::end_page(); 3629: $r->print (<<ENDREDIR); 3630: $start_page 3631: <img align="right" src="$logo" /> 3632: $textline 3633: <form name="reldt" action="$feedurl" target="loncapaclient"> 3634: </form> 3635: <br /> 3636: $end_page 3637: ENDREDIR 3638: return OK; 3639: } elsif ($env{'form.modifydisp'}) { 3640: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3641: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3642: split(/_/,$env{'form.changes'}); 3643: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3644: $dispchgB,$markchg,$toggchg,$feedurl); 3645: return OK; 3646: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3647: $env{'form.allposts'} || $env{'form.onlyunread'} || 3648: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3649: $env{'form.toggon'} || $env{'form.markread'}) { 3650: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3651: my %discinfo; 3652: # ------------------------ Modify setting for read/unread toggle for each post 3653: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3654: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3655: # --------- Modify setting for identification of 'NEW' posts in this discussion 3656: if ($env{'form.markondisp'}) { 3657: $discinfo{$symb.'_lastread'} = time; 3658: $discinfo{$symb.'_markondisp'} = 1; 3659: } 3660: if ($env{'form.markonread'}) { 3661: if ( $env{'form.previous'} > 0 ) { 3662: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3663: } 3664: $discinfo{$symb.'_markondisp'} = 0; 3665: } 3666: # --------------------------------- Modify display setting for this discussion 3667: if ($env{'form.allposts'}) { 3668: $discinfo{$symb.'_showonlyunread'} = 0; 3669: $discinfo{$symb.'_showonlyunmark'} = 0; 3670: } 3671: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3672: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3673: # ----------------------------------------------------- Mark new posts not NEW 3674: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3675: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3676: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3677: my $previous=$env{'form.previous'}; 3678: if ($env{'form.markondisp'}) { $previous=undef; } 3679: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3680: '0','0','','',$previous,'','','','','','',$group); 3681: return OK; 3682: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3683: # ----------------------------------------------------------------- Hide/unhide 3684: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3685: my ($symb,$idx)=split(/\:\:\:/,$entry); 3686: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3687: 3688: my $crs='/'.$env{'request.course.id'}; 3689: if ($env{'request.course.sec'}) { 3690: $crs.='_'.$env{'request.course.sec'}; 3691: } 3692: $crs=~s/\_/\//g; 3693: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3694: 3695: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3696: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3697: undef,undef,$group,); 3698: return OK; 3699: } 3700: 3701: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3702: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3703: $env{'course.'.$env{'request.course.id'}.'.num'}); 3704: 3705: my $currenthidden=$contrib{'hidden'}; 3706: my $currentstudenthidden=$contrib{'studenthidden'}; 3707: 3708: if ($env{'form.hide'}) { 3709: $currenthidden.='.'.$idx.'.'; 3710: unless ($seeid) { 3711: $currentstudenthidden.='.'.$idx.'.'; 3712: } 3713: } else { 3714: $currenthidden=~s/\.$idx\.//g; 3715: } 3716: my %newhash=('hidden' => $currenthidden); 3717: if ( ($env{'form.hide'}) && (!$seeid) ) { 3718: $newhash{'studenthidden'} = $currentstudenthidden; 3719: } 3720: if ($env{'form.hide'}) { 3721: my $changelast = 0; 3722: my $newlast; 3723: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3724: if ($changelast) { 3725: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3726: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3727: $env{'course.'.$env{'request.course.id'}.'.num'}); 3728: } 3729: } 3730: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3731: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3732: $env{'course.'.$env{'request.course.id'}.'.num'}); 3733: 3734: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3735: '0','0','','',$env{'form.previous'},undef,undef,undef, 3736: undef,undef,undef,$group); 3737: return OK; 3738: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3739: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3740: if ($env{'form.cmd'} eq 'threadedon') { 3741: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3742: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3743: } else { 3744: &Apache::lonnet::del('environment',['threadeddiscussion']); 3745: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3746: } 3747: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3748: '0','0','','',$env{'form.previous'},undef,undef,undef, 3749: undef,undef,undef,$group); 3750: return OK; 3751: } elsif ($env{'form.deldisc'}) { 3752: # --------------------------------------------------------------- Hide for good 3753: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3754: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3755: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3756: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3757: $env{'course.'.$env{'request.course.id'}.'.num'}); 3758: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3759: if ($changelast) { 3760: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3761: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3762: } 3763: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3764: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3765: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3766: $env{'course.'.$env{'request.course.id'}.'.num'}); 3767: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3768: '0','0','','',$env{'form.previous'},undef,undef,undef, 3769: undef,undef,undef,$group); 3770: return OK; 3771: } elsif ($env{'form.preview'}) { 3772: # -------------------------------------------------------- User wants a preview 3773: &show_preview($r); 3774: return OK; 3775: } elsif ($env{'form.attach'}) { 3776: # -------------------------------------------------------- Work on attachments 3777: &Apache::loncommon::content_type($r,'text/html'); 3778: $r->send_http_header; 3779: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3780: my (@currnewattach,@currdelold,@keepold,$toolarge); 3781: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3782: if (exists($env{'form.addnewattach.filename'})) { 3783: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3784: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3785: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3786: push(@currnewattach, $newattachment); 3787: } else { 3788: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3789: } 3790: } 3791: my $attachmenturls; 3792: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3793: my $idx = $env{'form.idx'}; 3794: if ($idx) { 3795: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3796: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3797: $env{'course.'.$env{'request.course.id'}.'.num'}); 3798: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3799: } 3800: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3801: $attachmenturls,$attachmax{'text'},$toolarge); 3802: return OK; 3803: } elsif ($env{'form.export'}) { 3804: &Apache::loncommon::content_type($r,'text/html'); 3805: $r->send_http_header; 3806: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3807: my $mode='board'; 3808: my $status='OPEN'; 3809: my $previous=$env{'form.previous'}; 3810: if ($feedurl =~ /$LONCAPA::assess_re/) { 3811: $mode='problem'; 3812: $status=$Apache::inputtags::status[-1]; 3813: } 3814: my $discussion = &list_discussion($mode,$status,$symb); 3815: my $start_page = 3816: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3817: my $end_page = 3818: &Apache::loncommon::end_page(); 3819: $r->print($start_page.$discussion.$end_page); 3820: return OK; 3821: } else { 3822: # ------------------------------------------------------------- Normal feedback 3823: my $feedurl=$env{'form.postdata'}; 3824: $feedurl=~s/^https?\:\/\///; 3825: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3826: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3827: $feedurl=~s/\?.+$//; 3828: 3829: my $symb; 3830: if ($env{'form.replydisc'}) { 3831: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3832: } elsif ($env{'form.editdisc'}) { 3833: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3834: } elsif ($env{'form.origpage'}) { 3835: $symb=""; 3836: } else { 3837: $symb=&Apache::lonnet::symbread($feedurl); 3838: } 3839: unless ($symb) { 3840: $symb=$env{'form.symb'}; 3841: } 3842: if (defined($symb)) { 3843: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3844: } else { 3845: # backward compatibility (bulletin boards used to be 'wrapped') 3846: &Apache::lonenc::check_decrypt(\$feedurl); 3847: &dewrapper(\$feedurl); 3848: } 3849: my $goahead=1; 3850: if ($feedurl=~/$LONCAPA::assess_re/) { 3851: unless ($symb) { $goahead=0; } 3852: } 3853: if (!$goahead) { 3854: # Ambiguous Problem Resource 3855: $r->internal_redirect('/adm/ambiguous'); 3856: return OK; 3857: } 3858: # Go ahead with feedback, no ambiguous reference 3859: unless ( 3860: ( 3861: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3862: ) 3863: || 3864: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3865: || 3866: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3867: ) { 3868: &Apache::loncommon::content_type($r,'text/html'); 3869: $r->send_http_header; 3870: # Unable to give feedback 3871: &Apache::lonenc::check_encrypt(\$feedurl); 3872: &no_redirect_back($r,$feedurl); 3873: return OK; 3874: } 3875: # --------------------------------------------------- Print login screen header 3876: unless ($env{'form.sendit'}) { 3877: &Apache::lonenc::check_encrypt(\$feedurl); 3878: &Apache::loncommon::content_type($r,'text/html'); 3879: $r->send_http_header; 3880: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3881: my ($blocked,$blocktext) = 3882: &Apache::loncommon::blocking_status('boards'); 3883: if ($blocked) { 3884: $r->print(&blocked_reply_or_edit($blocktext)); 3885: return OK; 3886: } 3887: } 3888: my $options=&screen_header($feedurl,$symb,$group); 3889: if ($options) { 3890: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3891: } else { 3892: &fail_redirect($r,$feedurl); 3893: } 3894: return OK; 3895: } 3896: 3897: # Get previous user input 3898: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3899: $symb,$env{'user.name'},$env{'user.domain'}, 3900: $env{'request.course.id'}); 3901: 3902: # Get output from resource 3903: &Apache::lonenc::check_encrypt(\$feedurl); 3904: my $usersaw=&resource_output($feedurl); 3905: 3906: # Get resource answer (need to allow student to view grades for this to work) 3907: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3908: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3909: my $useranswer= 3910: &Apache::loncommon::get_student_answers( 3911: $usersymb,$env{'user.name'},$env{'user.domain'}, 3912: $env{'request.course.id'}); 3913: &Apache::lonnet::delenv('allowed.vgr'); 3914: # Get attachments, if any, and not too large 3915: my $attachmenturl=''; 3916: my $toolarge=''; 3917: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3918: ($env{'form.replydisc'})) { 3919: my ($symb,$idx); 3920: if ($env{'form.replydisc'}) { 3921: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3922: } elsif ($env{'form.editdisc'}) { 3923: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3924: } elsif ($env{'form.origpage'}) { 3925: $symb = $env{'form.symb'}; 3926: } 3927: &Apache::lonenc::check_decrypt(\$symb); 3928: my @currnewattach = (); 3929: my @deloldattach = (); 3930: my @keepold = (); 3931: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3932: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3933: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3934: } elsif ($env{'form.attachment.filename'}) { 3935: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3936: my $now = time; 3937: my $subdir = 'feedback/'.$now; 3938: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3939: } else { 3940: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3941: } 3942: } 3943: # Filter HTML out of message (could be nasty) 3944: my $override; 3945: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 3946: $override = 1; 3947: } 3948: my $message=&clear_out_html($env{'form.comment'},$override); 3949: 3950: # Assemble email 3951: my ($email,$citations)=&assemble_email($message,$prevattempts, 3952: $usersaw,$useranswer); 3953: 3954: # Who gets this? 3955: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3956: 3957: # Actually send mail 3958: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 3959: $feedurl,$email,$citations, 3960: $attachmenturl,$usersymb,%to); 3961: 3962: # Discussion? Store that. 3963: my $numpost=0; 3964: if ( ($env{'form.discuss'} ne '' 3965: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3966: || $env{'form.anondiscuss'} ne '') { 3967: my $subject = &clear_out_html($env{'form.subject'}); 3968: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3969: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3970: $subject,$group); 3971: $numpost++; 3972: } 3973: 3974: # Add to blog? 3975: 3976: my $blog=''; 3977: if ($env{'form.blog'}) { 3978: my $subject = &clear_out_html($env{'form.subject'}); 3979: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3980: $env{'user.domain'}, 3981: 'CourseBlog_'.$env{'request.course.id'}, 3982: $subject,$message,$feedurl,'public'); 3983: if (&Apache::loncommon::course_type() eq 'Community') { 3984: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3985: } else { 3986: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3987: } 3988: } 3989: 3990: # Receipt screen and redirect back to where came from 3991: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3992: } 3993: return OK; 3994: } 3995: 3996: sub blocked_reply_or_edit { 3997: my ($blocktext) = @_; 3998: return 3999: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4000: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4001: &mt('Back to previous page'). 4002: &Apache::loncommon::end_page(); 4003: } 4004: 4005: sub wrap_symb { 4006: my ($ressymb)=@_; 4007: if ($ressymb =~ /bulletin___\d+___/) { 4008: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4009: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4010: } 4011: } 4012: return $ressymb; 4013: } 4014: sub dewrapper { 4015: my ($feedurl)=@_; 4016: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4017: $$feedurl=~s|^/adm/wrapper||; 4018: } 4019: } 4020: 4021: sub get_feedurl { 4022: my ($symb)=@_; 4023: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4024: my $feedurl = &Apache::lonnet::clutter($url); 4025: &dewrapper(\$feedurl); 4026: return $feedurl; 4027: } 4028: 4029: sub get_feedurl_and_clean_symb { 4030: my ($symb)=@_; 4031: &Apache::lonenc::check_decrypt(\$symb); 4032: # backward compatibility (bulletin boards used to be 'wrapped') 4033: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4034: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4035: } 4036: my $feedurl = &get_feedurl($symb); 4037: return ($symb,$feedurl); 4038: } 4039: 4040: sub editing_allowed { 4041: my ($postid,$group) = @_; 4042: $postid = &unescape($postid); 4043: my $can_edit = 0; 4044: if ($group ne '') { 4045: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4046: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4047: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4048: if (&check_group_priv($group,'egp') eq 'ok') { 4049: $can_edit = 1; 4050: } 4051: return $can_edit; 4052: } 4053: } 4054: my $cid = $env{'request.course.id'}; 4055: my $role = (split(/\./,$env{'request.role'}))[0]; 4056: my $section = $env{'request.course.sec'}; 4057: my $allow_editing_config = 4058: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4059: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4060: $can_edit = 1; 4061: } else { 4062: foreach my $editor (split(/,/,$allow_editing_config)) { 4063: my ($editor_role,$editor_sec) = split(/:/,$editor); 4064: if ($editor_role eq $role 4065: && defined($editor_sec) 4066: && defined($section) 4067: && $editor_sec eq $section) { 4068: $can_edit = 1; 4069: last; 4070: } 4071: if ($editor_role eq $role 4072: && !defined($editor_sec)) { 4073: $can_edit = 1; 4074: } 4075: } 4076: } 4077: return $can_edit; 4078: } 4079: 4080: sub check_group_priv { 4081: my ($group,$grp_priv) = @_; 4082: foreach my $priv ('mdg','vcg') { 4083: my $checkcourse = $env{'request.course.id'}. 4084: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4085: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4086: return 'ok'; 4087: } 4088: } 4089: if ($grp_priv && $group ne '') { 4090: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4091: return 'ok'; 4092: } 4093: } 4094: return ''; 4095: } 4096: 4097: sub group_args { 4098: my ($group) = @_; 4099: if ($group eq '') { return ''; } 4100: my $extra_args = '&group='.$group; 4101: if (exists($env{'form.ref'})) { 4102: $extra_args .= '&ref='.$env{'form.ref'}; 4103: } 4104: return $extra_args; 4105: } 4106: 4107: sub get_resource_title { 4108: my ($symb,$feedurl) = @_; 4109: my ($restitle,$plainurl); 4110: if (defined($symb)) { 4111: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4112: $restitle = &Apache::lonnet::gettitle($plain_symb); 4113: } 4114: if (defined($feedurl)) { 4115: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4116: } 4117: if (!defined($restitle)) { 4118: if (defined($feedurl)) { 4119: $restitle = &Apache::lonnet::gettitle($plainurl); 4120: } 4121: } 4122: if ($plainurl ne $feedurl) { 4123: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4124: if ($plain_filename eq $restitle) { 4125: $restitle = &mt('Untitled resource'); 4126: } 4127: } 4128: if ($restitle eq '') { 4129: $restitle = &mt('Untitled resource'); 4130: } 4131: return $restitle; 4132: } 4133: 4134: 1; 4135: __END__ 4136: 4137: 4138: =pod 4139: 4140: =head1 NAME 4141: 4142: Apache::lonfeedback.pm 4143: 4144: =head1 SYNOPSIS 4145: 4146: Handles feedback from students to instructors and system administrators. 4147: 4148: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4149: 4150: Used by lonmsg.pm. 4151: 4152: This is part of the LearningOnline Network with CAPA project 4153: described at http://www.lon-capa.org. 4154: 4155: =head1 OVERVIEW 4156: 4157: None 4158: 4159: =head1 SUBROUTINES 4160: 4161: =over 4162: 4163: =item discussion_open() 4164: 4165: =item discussion_visible() 4166: 4167: =item list_discussion() 4168: 4169: =item send_feedback_link() 4170: 4171: =item send_message_link() 4172: 4173: =item action_links_bar() 4174: 4175: =item postingform_display() 4176: 4177: =item build_posting_display 4178: 4179: =item filter_regexp() 4180: 4181: =item get_post_contents() 4182: 4183: =item replicate_attachments() 4184: 4185: =item mail_screen() 4186: 4187: =item print_display_options() 4188: 4189: =item print_sortfilter_options() 4190: 4191: =item print_showposters() 4192: 4193: =item get_post_versions() 4194: 4195: =item get_post_attachments() 4196: 4197: =item fail_redirect() 4198: 4199: =item redirect_back() 4200: 4201: =item no_redirect_back() 4202: 4203: =item screen_header() 4204: 4205: =item resource_output() 4206: 4207: =item clear_out_html() 4208: 4209: =item assemble_email() 4210: 4211: =item feedback_available() 4212: 4213: =item send_msg() 4214: 4215: =item adddiscuss() 4216: 4217: =item get_discussion_info() 4218: 4219: =item show_preview() 4220: 4221: =item newline_to_br() 4222: 4223: =item tidy_html() 4224: 4225: =item generate_preview_button() 4226: 4227: =item modify_attachments() 4228: 4229: =item process_attachments() 4230: 4231: =item generate_attachments_button() 4232: 4233: =item extract_attachments() 4234: 4235: =item construct_attachmenturl() 4236: 4237: =item add_blog_checkbox() 4238: 4239: =item has_discussion() 4240: 4241: =item sort_filter_names() 4242: 4243: =item handler() 4244: 4245: =item blocked_reply_or_edit() 4246: 4247: =item wrap_symb() 4248: 4249: =item dewrapper() 4250: 4251: =item get_feedurl() 4252: 4253: =item get_feedurl_and_clean_symb() 4254: 4255: =item editing_allowed() 4256: 4257: =item check_group_priv() 4258: 4259: =item group_args() 4260: 4261: =item get_resource_title() 4262: 4263: =back 4264: 4265: =cut