loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.169: download - view: text, annotated - select for diffs
Tue Oct 4 18:27:32 2005 UTC (18 years, 8 months ago) by albertel
Branches: MAIN
CVS tags: HEAD

- remove course_id as an argument to loncoursedata::get_classlist

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.169 2005/10/04 18:27:32 albertel 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 HTML::LCParser(); 43: use Apache::lonspeller(); 44: use Cwd; 45: 46: sub discussion_open { 47: my ($status,$symb)=@_; 48: if (defined($status) && 49: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 50: || $status eq 'OPEN')) { 51: return 0; 52: } 53: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 54: if (defined($close) && $close ne '' && $close < time) { 55: return 0; 56: } 57: return 1; 58: } 59: 60: sub discussion_visible { 61: my ($status)=@_; 62: if (not &discussion_open($status)) { 63: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 64: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 65: if (!$env{'request.role.adv'}) { return 0; } 66: } 67: } 68: return 1; 69: } 70: 71: sub list_discussion { 72: my ($mode,$status,$ressymb,$imsextras)=@_; 73: my $outputtarget=$env{'form.grade_target'}; 74: if (defined($env{'form.export'})) { 75: if($env{'form.export'}) { 76: $outputtarget = 'export'; 77: } 78: } 79: if (defined($imsextras)) { 80: if ($$imsextras{'caller'} eq 'imsexport') { 81: $outputtarget = 'export'; 82: } 83: } 84: if (not &discussion_visible($status)) { return ''; } 85: my @bgcols = ("#cccccc","#eeeeee"); 86: my $discussiononly=0; 87: if ($mode eq 'board') { $discussiononly=1; } 88: unless ($env{'request.course.id'}) { return ''; } 89: my $crs='/'.$env{'request.course.id'}; 90: my $cid=$env{'request.course.id'}; 91: if ($env{'request.course.sec'}) { 92: $crs.='_'.$env{'request.course.sec'}; 93: } 94: $crs=~s/\_/\//g; 95: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 96: unless ($ressymb) { return ''; } 97: $ressymb=&wrap_symb($ressymb); 98: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 99: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 100: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 101: 102: my %usernamesort = (); 103: my %namesort =(); 104: my %subjectsort = (); 105: 106: # Get discussion display settings for this discussion 107: my $lastkey = $ressymb.'_lastread'; 108: my $showkey = $ressymb.'_showonlyunread'; 109: my $markkey = $ressymb.'_showonlyunmark', 110: my $visitkey = $ressymb.'_visit'; 111: my $ondispkey = $ressymb.'_markondisp'; 112: my $userpickkey = $ressymb.'_userpick'; 113: my $toggkey = $ressymb.'_readtoggle'; 114: my $readkey = $ressymb.'_read'; 115: $ressymb=$encsymb; 116: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 117: my %discinfo = (); 118: my $showonlyunread = 0; 119: my $showunmark = 0; 120: my $markondisp = 0; 121: my $prevread = 0; 122: my $previous = 0; 123: my $visit = 0; 124: my $newpostsflag = 0; 125: my @posters = split/\&/,$dischash{$userpickkey}; 126: 127: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 128: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']); 129: my $sortposts = $env{'form.sortposts'}; 130: my $statusfilter = $env{'form.statusfilter'}; 131: my @sectionpick = (); 132: if ($env{'form.sectionpick'} =~ /,/) { 133: @sectionpick = split/,/,$env{'form.sectionpick'}; 134: } else { 135: $sectionpick[0] = $env{'form.sectionpick'}; 136: } 137: my @rolefilter = (); 138: if ($env{'form.rolefilter'} =~ /,/) { 139: @rolefilter = split/,/,$env{'form.rolefilter'}; 140: } else { 141: $rolefilter[0] = $env{'form.rolefilter'}; 142: } 143: my $totposters = $env{'form.totposters'}; 144: $previous = $env{'form.previous'}; 145: if ($previous > 0) { 146: $prevread = $previous; 147: } elsif (defined($dischash{$lastkey})) { 148: unless ($dischash{$lastkey} eq '') { 149: $prevread = $dischash{$lastkey}; 150: } 151: } 152: 153: # Get information about students and non-students in course for filtering display of posts 154: my %roleshash = (); 155: my %roleinfo = (); 156: if ($env{'form.rolefilter'}) { 157: %roleshash = &Apache::lonnet::dump('nohist_userroles', 158: $env{'course.'.$cid.'.domain'}, 159: $env{'course.'.$cid.'.num'}); 160: foreach (keys %roleshash) { 161: my ($role,$uname,$udom,$sec) = split/:/,$_; 162: if ($role =~ /^cr/) { 163: $role = 'cr'; 164: } 165: my ($end,$start) = split/:/,$roleshash{$_}; 166: my $now = time; 167: my $status = 'Active'; 168: if (($now < $start) || ($end > 0 && $now > $end)) { 169: $status = 'Expired'; 170: } 171: if ($uname && $udom) { 172: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status; 173: } 174: } 175: my ($classlist) = &Apache::loncoursedata::get_classlist( 176: $env{'course.'.$cid.'.domain'}, 177: $env{'course.'.$cid.'.num'}); 178: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 179: my $status_index = &Apache::loncoursedata::CL_STATUS(); 180: while (my ($student,$data) = each %$classlist) { 181: my ($section,$status) = ($data->[$sec_index], 182: $data->[$status_index]); 183: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status; 184: } 185: } 186: 187: # Get discussion display default settings for user 188: if ($env{'environment.discdisplay'} eq 'unread') { 189: $showonlyunread = 1; 190: } 191: if ($env{'environment.discmarkread'} eq 'ondisp') { 192: $markondisp = 1; 193: } 194: 195: # Override user's default if user specified display setting for this discussion 196: if (defined($dischash{$ondispkey})) { 197: unless ($dischash{$ondispkey} eq '') { 198: $markondisp = $dischash{$ondispkey}; 199: } 200: } 201: if ($markondisp) { 202: $discinfo{$lastkey} = time; 203: } 204: 205: if (defined($dischash{$showkey})) { 206: unless ($dischash{$showkey} eq '') { 207: $showonlyunread = $dischash{$showkey}; 208: } 209: } 210: 211: if (defined($dischash{$markkey})) { 212: unless ($dischash{$markkey} eq '') { 213: $showunmark = $dischash{$markkey}; 214: } 215: } 216: 217: if (defined($dischash{$visitkey})) { 218: unless ($dischash{$visitkey} eq '') { 219: $visit = $dischash{$visitkey}; 220: } 221: } 222: $visit ++; 223: 224: my $seeid=&Apache::lonnet::allowed('rin',$crs); 225: my @discussionitems=(); 226: my %shown = (); 227: my @posteridentity=(); 228: 229: my $current=0; 230: my $visible=0; 231: my @depth=(); 232: my @replies = (); 233: my %alldiscussion=(); 234: my %imsitems=(); 235: my %imsfiles=(); 236: my %notshown = (); 237: my %newitem = (); 238: my $maxdepth=0; 239: 240: my $target=''; 241: unless ($env{'browser.interface'} eq 'textual' || 242: $env{'environment.remote'} eq 'off' ) { 243: $target='target="LONcom"'; 244: } 245: 246: my $now = time; 247: $discinfo{$visitkey} = $visit; 248: 249: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 250: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,$statusfilter,$toggkey,$outputtarget); 251: 252: my $discussion=''; 253: my $manifestfile; 254: my $manifestok=0; 255: my $tempexport; 256: my $imsresources; 257: my $copyresult; 258: 259: my $function = &Apache::loncommon::get_users_function(); 260: my $color = &Apache::loncommon::designparm($function.'.tabbg', 261: $env{'user.domain'}); 262: my %lt = &Apache::lonlocal::texthash( 263: 'cuse' => 'Current discussion settings', 264: 'allposts' => 'All posts', 265: 'unread' => 'New posts only', 266: 'unmark' => 'Unread only', 267: 'ondisp' => 'Once displayed', 268: 'onmark' => 'Once marked not NEW', 269: 'toggoff' => 'Off', 270: 'toggon' => 'On', 271: 'disa' => 'Posts to be displayed', 272: 'npce' => 'Posts cease to be marked "NEW"', 273: 'epcb' => 'Each post can be toggled read/unread', 274: 'chgt' => 'Change', 275: 'disp' => 'Display', 276: 'nolo' => 'Not new', 277: 'togg' => 'Toggle read/unread', 278: ); 279: 280: my $currdisp = $lt{'allposts'}; 281: my $currmark = $lt{'onmark'}; 282: my $currtogg = $lt{'toggoff'}; 283: my $dispchange = $lt{'unread'}; 284: my $markchange = $lt{'ondisp'}; 285: my $toggchange = $lt{'toggon'}; 286: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 287: my $displinkA = 'onlyunread'; 288: my $displinkB = 'onlyunmark'; 289: my $marklink = 'markondisp'; 290: my $togglink = 'toggon'; 291: 292: if ($markondisp) { 293: $currmark = $lt{'ondisp'}; 294: $markchange = $lt{'onmark'}; 295: $marklink = 'markonread'; 296: } 297: 298: if ($showonlyunread) { 299: $currdisp = $lt{'unread'}; 300: $dispchange = $lt{'allposts'}; 301: $displinkA = 'allposts'; 302: } 303: 304: if ($showunmark) { 305: $currdisp = $lt{'unmark'}; 306: $dispchange = $lt{'unmark'}; 307: $displinkA='allposts'; 308: $displinkB='onlyunread'; 309: $showonlyunread = 0; 310: } 311: 312: if ($dischash{$toggkey}) { 313: $currtogg = $lt{'toggon'}; 314: $toggchange = $lt{'toggoff'}; 315: $togglink = 'toggoff'; 316: } 317: 318: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 319: 320: if ($newpostsflag) { 321: $chglink .= '&previous='.$prevread; 322: } 323: 324: if ($visible) { 325: # Print the discusssion 326: if ($outputtarget eq 'tex') { 327: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 328: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 329: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 330: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 331: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 332: } elsif ($outputtarget eq 'export') { 333: # Create temporary directory if this is an export 334: my $now = time; 335: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 336: $tempexport = $$imsextras{'tempexport'}; 337: if (!-e $tempexport) { 338: mkdir($tempexport,0700); 339: } 340: $tempexport .= '/'.$$imsextras{'count'}; 341: if (!-e $tempexport) { 342: mkdir($tempexport,0700); 343: } 344: } else { 345: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 346: if (!-e $tempexport) { 347: mkdir($tempexport,0700); 348: } 349: $tempexport .= '/'.$now; 350: if (!-e $tempexport) { 351: mkdir($tempexport,0700); 352: } 353: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 354: } 355: if (!-e $tempexport) { 356: mkdir($tempexport,0700); 357: } 358: # open manifest file 359: my $manifest = '/imsmanifest.xml'; 360: my $manifestfilename = $tempexport.$manifest; 361: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 362: $manifestok=1; 363: print $manifestfile qq| 364: <?xml version="1.0" encoding="UTF-8"?> 365: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 366: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 367: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 368: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 369: <organizations default="$ressymb"> 370: <organization identifier="$ressymb"> 371: <title>Discussion for $ressymb</title>\n|; 372: } else { 373: $discussion .= 'An error occurred opening the manifest file.<br />'; 374: } 375: } else { 376: my $colspan=$maxdepth+1; 377: $discussion.= qq| 378: <script> 379: function studentdelete (symb,idx,newflag,previous) { 380: var symbparm = symb+':::'+idx 381: var prevparm = "" 382: if (newflag == 1) { 383: prevparm = "&previous="+previous 384: } 385: if (confirm("Are you sure you want to delete this post?\\nDeleted posts will no longer be visible to you and other students,\\nbut will continue to be visible to your instructor")) { 386: document.location.href = "/adm/feedback?hide="+symbparm+prevparm 387: } 388: } 389: </script> 390: |; 391: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">'; 392: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'. 393: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>'; 394: if ($visible>2) { 395: $discussion.='<td align="left">'. 396: '<a href="/adm/feedback?cmd=threadedon&symb='.$ressymb; 397: if ($newpostsflag) { 398: $discussion .= '&previous='.$prevread; 399: } 400: $discussion .='">'.&mt('Threaded View').'</a>  '. 401: '<a href="/adm/feedback?cmd=threadedoff&symb='.$ressymb; 402: if ($newpostsflag) { 403: $discussion .= '&previous='.$prevread; 404: } 405: $discussion .='">'.&mt('Chronological View').'</a>   406: <a href= "/adm/feedback?cmd=sortfilter&symb='.$ressymb; 407: if ($newpostsflag) { 408: $discussion .= '&previous='.$prevread; 409: } 410: $discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp'; 411: } else { 412: $discussion .= '<td align="left">'; 413: } 414: $discussion .='<a href= "/adm/feedback?export='.$ressymb; 415: if ($newpostsflag) { 416: $discussion .= '&previous='.$prevread; 417: } 418: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 419: if ($newpostsflag) { 420: if (!$markondisp) { 421: $discussion .='<td align="right"><a href="/adm/feedback?markread=1&symb='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a>  '; 422: } else { 423: $discussion .= '<td> </td>'; 424: } 425: } else { 426: $discussion .= '<td> </td>'; 427: } 428: $discussion .= '</tr></table></td></tr>'; 429: 430: my $numhidden = keys %notshown; 431: if ($numhidden > 0) { 432: my $colspan = $maxdepth+1; 433: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 434: '<a href="/adm/feedback?allposts=1&symb='.$ressymb; 435: if ($newpostsflag) { 436: $discussion .= '&previous='.$prevread; 437: } 438: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 439: $numhidden.' '; 440: if ($showunmark) { 441: $discussion .= &mt('posts previously marked read'); 442: } else { 443: $discussion .= &mt('previously viewed posts'); 444: } 445: $discussion .= '<br/></td></tr>'; 446: } 447: } 448: 449: # Choose sort mechanism 450: my @showposts = (); 451: if ($sortposts eq 'descdate') { 452: @showposts = (sort { $b <=> $a } keys %alldiscussion); 453: } elsif ($sortposts eq 'thread') { 454: @showposts = (sort { $a <=> $b } keys %alldiscussion); 455: } elsif ($sortposts eq 'subject') { 456: foreach (sort keys %subjectsort) { 457: push @showposts, @{$subjectsort{$_}}; 458: } 459: } elsif ($sortposts eq 'username') { 460: foreach my $domain (sort keys %usernamesort) { 461: foreach (sort keys %{$usernamesort{$domain}}) { 462: push @showposts, @{$usernamesort{$domain}{$_}}; 463: } 464: } 465: } elsif ($sortposts eq 'lastfirst') { 466: foreach my $last (sort keys %namesort) { 467: foreach (sort keys %{$namesort{$last}}) { 468: push @showposts, @{$namesort{$last}{$_}}; 469: } 470: } 471: } else { 472: @showposts = (sort { $a <=> $b } keys %alldiscussion); 473: } 474: my $currdepth = 0; 475: my $firstidx = $alldiscussion{$showposts[0]}; 476: foreach (@showposts) { 477: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 478: $alldiscussion{$_} = $_; 479: } 480: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) { 481: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 482: $discussion.="\n<tr>"; 483: } 484: my $thisdepth=$depth[$alldiscussion{$_}]; 485: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 486: for (1..$thisdepth) { 487: $discussion.='<td>   </td>'; 488: } 489: } 490: my $colspan=$maxdepth-$thisdepth+1; 491: if ($outputtarget eq 'tex') { 492: #cleanup block 493: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 494: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 495: my $threadinsert=''; 496: if ($thisdepth > 0) { 497: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 498: } 499: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 500: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 501: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 502: 503: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}]; 504: $discussion.=$discussionitems[$alldiscussion{$_}]; 505: } elsif ($outputtarget eq 'export') { 506: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html'; 507: if ($manifestok) { 508: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) { 509: print $manifestfile ' </item>'."\n"; 510: } 511: $currdepth = $depth[$alldiscussion{$_}]; 512: print $manifestfile "\n". 513: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'. 514: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'. 515: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>'; 516: $imsresources .= "\n". 517: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n". 518: '<file href="'.$postfilename.'">'."\n". 519: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n". 520: '</resource>'; 521: } 522: my $postingfile; 523: my $postingfilename = $tempexport.'/'.$postfilename; 524: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 525: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 526: $imsitems{$alldiscussion{$_}}{'title'}.' '. 527: $imsitems{$alldiscussion{$_}}{'sender'}. 528: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'. 529: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'. 530: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n"; 531: close($postingfile); 532: } else { 533: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />'; 534: } 535: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport); 536: } else { 537: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}]. 538: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}]. 539: '</td></tr>'; 540: } 541: } 542: } 543: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 544: my $colspan=$maxdepth+1; 545: $discussion .= <<END; 546: <tr bgcolor="#FFFFFF"> 547: <td colspan="$colspan" valign="top"> 548: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2"> 549: <tr> 550: <td align="left"> 551: <table border="0" cellpadding="0" cellspacing="4"> 552: <tr> 553: <td> 554: <font size="-1"><b>$lt{'cuse'}</b>:</td> 555: <td> </td> 556: <td><font size="-1"> 557: END 558: if ($newpostsflag) { 559: $discussion .= 560: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 561: if ($dischash{$toggkey}) { 562: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 563: } 564: } else { 565: if ($dischash{$toggkey}) { 566: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 567: } else { 568: $discussion .= 569: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 570: } 571: } 572: $discussion .= <<END; 573: </font></td> 574: <td> </td> 575: <td align="left"> 576: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 577: </td> 578: </tr> 579: </table> 580: </td> 581: END 582: if ($sortposts) { 583: my %sort_types = (); 584: my %role_types = (); 585: my %status_types = (); 586: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 587: 588: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 589: if (defined($env{'form.totposters'})) { 590: $discussion .= &mt('Posts by').':'; 591: if ($totposters > 0) { 592: foreach my $poster (@posters) { 593: $poster =~ s/:/\@/; 594: $discussion .= ' '.$poster.','; 595: } 596: $discussion =~ s/,$//; 597: } else { 598: $discussion .= &mt('None selected'); 599: } 600: } else { 601: my $filterchoice =''; 602: if (@sectionpick > 0) { 603: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 604: $filterchoice .= '    '; 605: } 606: if (@rolefilter > 0) { 607: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 608: foreach (@rolefilter) { 609: $filterchoice .= ' '.$role_types{$_}.','; 610: } 611: $filterchoice =~ s/,$//; 612: $filterchoice .= '<br /> &nbsp    &nbsp '; 613: } 614: if ($statusfilter) { 615: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 616: } 617: if ($filterchoice) { 618: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 619: } 620: $discussion .= '</font></td>'; 621: } 622: } 623: if ($dischash{$toggkey}) { 624: my $storebutton = &mt('Store read/unread changes'); 625: $discussion.='<td align="right">'. 626: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n". 627: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 628: ' onClick="this.form.submit();">'."\n". 629: '</td>'; 630: } 631: $discussion .= (<<END); 632: </tr> 633: </table> 634: </td> 635: </tr> 636: </table> 637: <br /><br /></form> 638: END 639: } 640: if ($outputtarget eq 'export') { 641: if ($manifestok) { 642: while ($currdepth > 0) { 643: print $manifestfile " </item>\n"; 644: $currdepth --; 645: } 646: print $manifestfile qq| 647: </organization> 648: </organizations> 649: <resources> 650: $imsresources 651: </resources> 652: </manifest> 653: |; 654: close($manifestfile); 655: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 656: $discussion = $copyresult; 657: } else { 658: 659: #Create zip file in prtspool 660: 661: my $imszipfile = '/prtspool/'. 662: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 663: time.'_'.rand(1000000000).'.zip'; 664: my $cwd = &getcwd(); 665: my $imszip = '/home/httpd/'.$imszipfile; 666: chdir $tempexport; 667: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 668: close(OUTPUT); 669: chdir $cwd; 670: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />'; 671: if ($copyresult) { 672: $discussion .= 'The following errors occurred during export - <br />'.$copyresult; 673: } 674: } 675: } else { 676: $discussion .= '<br />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 />'; 677: } 678: return $discussion; 679: } 680: } 681: if ($discussiononly) { 682: my $now = time; 683: my $attachnum = 0; 684: my $newattachmsg = ''; 685: my @currnewattach = (); 686: my @currdelold = (); 687: my $comment = ''; 688: my $subject = ''; 689: if ($env{'form.origpage'}) { 690: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 691: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 692: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 693: my @keepold = (); 694: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 695: if (@currnewattach > 0) { 696: $attachnum += @currnewattach; 697: } 698: } 699: if (&discussion_open($status)) { 700: $discussion.=(<<ENDDISCUSS); 701: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> 702: <input type="submit" name="discuss" value="Post Discussion" /> 703: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> 704: <input type="hidden" name="symb" value="$ressymb" /> 705: <input type="hidden" name="sendit" value="true" /> 706: <input type="hidden" name="timestamp" value="$now" /> 707: <br /><a name="newpost"></a> 708: <font size="1">Note: in anonymous discussion, your name is visible only 709: to course faculty</font><br /> 710: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 711: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 712: ENDDISCUSS 713: if ($env{'form.origpage'}) { 714: $discussion.='<input type="hidden" name="origpage" value="'.$env{'form.origpage'}.'" />'."\n"; 715: foreach (@currnewattach) { 716: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 717: } 718: } 719: $discussion.="</form>\n"; 720: if ($outputtarget ne 'tex') { 721: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode); 722: if (@currnewattach > 0) { 723: $newattachmsg .= '<b>New attachments</b><br />'; 724: if (@currnewattach > 1) { 725: $newattachmsg .= '<ol>'; 726: foreach my $item (@currnewattach) { 727: $item =~ m#.*/([^/]+)$#; 728: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 729: } 730: $newattachmsg .= '</ol>'."\n"; 731: } else { 732: $currnewattach[0] =~ m#.*/([^/]+)$#; 733: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 734: } 735: } 736: $discussion.=$newattachmsg; 737: $discussion.=&generate_preview_button(); 738: } 739: } 740: } else { 741: if (&discussion_open($status) && 742: &Apache::lonnet::allowed('pch', 743: $env{'request.course.id'}. 744: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 745: if ($outputtarget ne 'tex') { 746: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='. 747: $ressymb.':::" '.$target.'>'. 748: '<img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'. 749: &mt('Post Discussion').'</a></td></tr></table>'; 750: } 751: } 752: } 753: return $discussion; 754: } 755: 756: sub build_posting_display { 757: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$statusfilter,$toggkey,$outputtarget) = @_; 758: my @original=(); 759: my @index=(); 760: my $symb=&Apache::lonenc::check_decrypt($ressymb); 761: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 762: $env{'course.'.$env{'request.course.id'}.'.domain'}, 763: $env{'course.'.$env{'request.course.id'}.'.num'}); 764: 765: if ($contrib{'version'}) { 766: my $oldest = $contrib{'1:timestamp'}; 767: if ($prevread eq '0') { 768: $prevread = $oldest-1; 769: } 770: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 771: if ($sortposts) { 772: ($skiptest,$roleregexp,$secregexp,$statusregexp) = &filter_regexp($rolefilter,$sectionpick,$statusfilter); 773: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 774: } 775: for (my $id=1;$id<=$contrib{'version'};$id++) { 776: my $idx=$id; 777: my $posttime = $contrib{$idx.':timestamp'}; 778: if ($prevread <= $posttime) { 779: $$newpostsflag = 1; 780: } 781: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 782: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 783: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 784: my $origindex='0.'; 785: my $numoldver=0; 786: if ($contrib{$idx.':replyto'}) { 787: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 788: # this is a follow-up message 789: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 790: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 791: $origindex=$index[$contrib{$idx.':replyto'}]; 792: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 793: } else { 794: $original[$idx]=0; 795: $$depth[$idx]=0; 796: } 797: } else { 798: # this is an original message 799: $original[$idx]=0; 800: $$depth[$idx]=0; 801: } 802: if ($$replies[$$depth[$idx]]) { 803: $$replies[$$depth[$idx]]++; 804: } else { 805: $$replies[$$depth[$idx]]=1; 806: } 807: unless ((($hidden) && (!$seeid)) || ($deleted)) { 808: $$visible++; 809: if ($contrib{$idx.':history'}) { 810: if ($contrib{$idx.':history'} =~ /:/) { 811: my @oldversions = split/:/,$contrib{$idx.':history'}; 812: $numoldver = @oldversions; 813: } else { 814: $numoldver = 1; 815: } 816: } 817: $$current = $numoldver; 818: my %messages = (); 819: my %subjects = (); 820: my %attachtxt = (); 821: my %allattachments = (); 822: my ($screenname,$plainname); 823: my $sender = &mt('Anonymous'); 824: my ($message,$subject,$vgrlink,$ctlink); 825: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 826: 827: 828: # Set up for sorting by subject 829: unless ($outputtarget eq 'export') { 830: $message=$messages{$numoldver}; 831: $message.=$attachtxt{$numoldver}; 832: $subject=$subjects{$numoldver}; 833: if ($message) { 834: if ($hidden) { 835: $message='<font color="#888888">'.$message.'</font>'; 836: if ($studenthidden) { 837: $message .='<br /><br />Deleted by poster (student).'; 838: } 839: } 840: 841: if ($subject eq '') { 842: if (defined($$subjectsort{'__No subject'})) { 843: push @{$$subjectsort{'__No subject'}}, $idx; 844: } else { 845: @{$$subjectsort{'__No subject'}} = ("$idx"); 846: } 847: } else { 848: if (defined($$subjectsort{$subject})) { 849: push @{$$subjectsort{$subject}}, $idx; 850: } else { 851: @{$$subjectsort{$subject}} = ("$idx"); 852: } 853: } 854: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 855: $sender=&Apache::loncommon::aboutmewrapper( 856: $plainname, 857: $contrib{$idx.':sendername'}, 858: $contrib{$idx.':senderdomain'}).' ('. 859: $contrib{$idx.':sendername'}.' at '. 860: $contrib{$idx.':senderdomain'}.')'; 861: if ($contrib{$idx.':anonymous'}) { 862: $sender.=' <font color="red"><b>['.&mt('anonymous').']</b></font> '. 863: $screenname; 864: } 865: 866: # Set up for sorting by domain, then username 867: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 868: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 869: } 870: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 871: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx; 872: } else { 873: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 874: } 875: # Set up for sorting by last name, then first name 876: my %names = &Apache::lonnet::get('environment', 877: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 878: ,$contrib{$idx.':sendername'}); 879: my $lastname = $names{'lastname'}; 880: my $firstname = $names{'firstname'}; 881: if ($lastname eq '') { 882: $lastname = '_'; 883: } 884: if ($firstname eq '') { 885: $firstname = '_'; 886: } 887: unless (defined($$namesort{$lastname})) { 888: %{$$namesort{$lastname}} = (); 889: } 890: if (defined($$namesort{$lastname}{$firstname})) { 891: push @{$$namesort{$lastname}{$firstname}}, $idx; 892: } else { 893: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 894: } 895: if ($env{'course.'.$env{'request.course.id'}.'.allow_discussion_post_editing'} =~ m/yes/i) { 896: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 897: $sender.=' <a href="/adm/feedback?editdisc='. 898: $ressymb.':::'.$idx; 899: if ($newpostsflag) { 900: $sender .= '&previous='.$prevread; 901: } 902: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 903: unless ($seeid) { 904: $sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')"; 905: $sender .= '">'.&mt('Delete').'</a>'; 906: } 907: } 908: } 909: if ($seeid) { 910: if ($hidden) { 911: unless ($studenthidden) { 912: $sender.=' <a href="/adm/feedback?unhide='. 913: $ressymb.':::'.$idx; 914: if ($newpostsflag) { 915: $sender .= '&previous='.$prevread; 916: } 917: $sender .= '">'.&mt('Make Visible').'</a>'; 918: } 919: } else { 920: $sender.=' <a href="/adm/feedback?hide='. 921: $ressymb.':::'.$idx; 922: if ($newpostsflag) { 923: $sender .= '&previous='.$prevread; 924: } 925: $sender .= '">'.&mt('Hide').'</a>'; 926: } 927: $sender.=' <a href="/adm/feedback?deldisc='. 928: $ressymb.':::'.$idx; 929: if ($newpostsflag) { 930: $sender .= '&previous='.$prevread; 931: } 932: $sender .= '">'.&mt('Delete').'</a>'; 933: } 934: } else { 935: if ($screenname) { 936: $sender='<i>'.$screenname.'</i>'; 937: } 938: # Set up for sorting by domain, then username for anonymous 939: unless (defined($$usernamesort{'__anon'})) { 940: %{$$usernamesort{'__anon'}} = (); 941: } 942: if (defined($$usernamesort{'__anon'}{'__anon'})) { 943: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx; 944: } else { 945: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 946: } 947: # Set up for sorting by last name, then first name for anonymous 948: unless (defined($$namesort{'__anon'})) { 949: %{$$namesort{'__anon'}} = (); 950: } 951: if (defined($$namesort{'__anon'}{'__anon'})) { 952: push @{$$namesort{'__anon'}{'__anon'}}, $idx; 953: } else { 954: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 955: } 956: } 957: if (&discussion_open($status) && 958: &Apache::lonnet::allowed('pch', 959: $env{'request.course.id'}. 960: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 961: $sender.=' <a href="/adm/feedback?replydisc='. 962: $ressymb.':::'.$idx; 963: if ($newpostsflag) { 964: $sender .= '&previous='.$prevread; 965: } 966: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 967: } 968: if ($viewgrades) { 969: $vgrlink=&Apache::loncommon::submlink('Submissions', 970: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 971: } 972: if ($$dischash{$readkey}=~/\.$idx\./) { 973: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 974: } else { 975: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 976: } 977: } 978: #figure out at what position this needs to print 979: } 980: if ($outputtarget eq 'export' || $message) { 981: my $thisindex=$idx; 982: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 983: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 984: } 985: $$alldiscussion{$thisindex}=$idx; 986: $$shown{$idx} = 0; 987: $index[$idx]=$thisindex; 988: } 989: if ($outputtarget eq 'export') { 990: %{$$imsitems{$idx}} = (); 991: $$imsitems{$idx}{'isvisible'}='true'; 992: if ($hidden) { 993: $$imsitems{$idx}{'isvisible'}='false'; 994: } 995: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 996: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 997: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 998: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 999: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1000: $contrib{$idx.':sendername'}.' at '. 1001: $contrib{$idx.':senderdomain'}.')'; 1002: $$imsitems{$idx}{'isanonymous'}='false'; 1003: if ($contrib{$idx.':anonymous'}) { 1004: $$imsitems{$idx}{'isanonymous'}='true'; 1005: } 1006: $$imsitems{$idx}{'currversion'}=$numoldver; 1007: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1008: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1009: $$shown{$idx} = 1; 1010: } 1011: } else { 1012: if ($message) { 1013: my $spansize = 2; 1014: if ($showonlyunread && $prevread > $posttime) { 1015: $$notshown{$idx} = 1; 1016: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1017: $$notshown{$idx} = 1; 1018: } else { 1019: # apply filters 1020: my $uname = $contrib{$idx.':sendername'}; 1021: my $udom = $contrib{$idx.':senderdomain'}; 1022: my $poster = $uname.':'.$udom; 1023: if (defined($env{'form.totposters'})) { 1024: if ($totposters == 0) { 1025: $$shown{$idx} = 0; 1026: } elsif ($totposters > 0) { 1027: if (grep/^$poster$/,@{$posters}) { 1028: $$shown{$idx} = 1; 1029: } 1030: } 1031: } elsif ($sortposts) { 1032: if ($skiptest) { 1033: $$shown{$idx} = 1; 1034: } else { 1035: foreach my $role (@{$$roleinfo{$poster}}) { 1036: if ($role =~ /^cc:/) { 1037: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1038: if ($role =~ /$cc_regexp/) { 1039: $$shown{$idx} = 1; 1040: last; 1041: } 1042: } elsif ($role =~ /^$rolematch$/) { 1043: $$shown{$idx} = 1; 1044: last; 1045: } 1046: } 1047: } 1048: } else { 1049: $$shown{$idx} = 1; 1050: } 1051: } 1052: unless ($$notshown{$idx} == 1) { 1053: if ($prevread > 0 && $prevread <= $posttime) { 1054: $$newitem{$idx} = 1; 1055: $$discussionitems[$idx] .= ' 1056: <p><table border="0" width="100%"> 1057: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>'; 1058: } else { 1059: $$newitem{$idx} = 0; 1060: $$discussionitems[$idx] .= ' 1061: <p><table border="0" width="100%"> 1062: <tr><td align="left"> </td>'; 1063: } 1064: $$discussionitems[$idx] .= '<td align ="left">  '. 1065: '<b>'.$subject.'</b>  '. 1066: $sender.'</b> '.$vgrlink.' ('. 1067: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1068: if ($$dischash{$toggkey}) { 1069: $$discussionitems[$idx].='<td align="right">  '. 1070: $ctlink.'</td>'; 1071: } 1072: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1073: $message.'</blockquote></p>'; 1074: if ($contrib{$idx.':history'}) { 1075: my @postversions = (); 1076: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1077: if ($seeid) { 1078: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$ressymb.':::'.$idx.'">'.&mt('Display all versions').'</a>'; 1079: } 1080: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1081: if ($contrib{$idx.':history'} =~ m/:/) { 1082: @postversions = split/:/,$contrib{$idx.':history'}; 1083: } else { 1084: @postversions = ("$contrib{$idx.':history'}"); 1085: } 1086: for (my $i=0; $i<@postversions; $i++) { 1087: my $version = $i+1; 1088: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1089: } 1090: } 1091: } 1092: } 1093: } 1094: } 1095: } 1096: } 1097: } 1098: 1099: sub filter_regexp { 1100: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1101: my ($roleregexp,$secregexp,$statusregexp); 1102: my $skiptest = 1; 1103: if (@{$rolefilter} > 0) { 1104: my @okrolefilter = (); 1105: foreach (@{$rolefilter}) { 1106: unless ($_ eq '') { 1107: push @okrolefilter, $_; 1108: } 1109: } 1110: if (@okrolefilter > 0) { 1111: if (grep/^all$/,@okrolefilter) { 1112: $roleregexp='[^:]+'; 1113: } else { 1114: if (@okrolefilter == 1) { 1115: $roleregexp=$okrolefilter[0]; 1116: } else { 1117: $roleregexp='('.join('|',@okrolefilter).')'; 1118: } 1119: $skiptest = 0; 1120: } 1121: } 1122: } 1123: if (@{$sectionpick} > 0) { 1124: my @oksectionpick = (); 1125: foreach (@{$sectionpick}) { 1126: unless ($_ eq '') { 1127: push @oksectionpick, $_; 1128: } 1129: } 1130: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1131: if (@oksectionpick == 1) { 1132: $secregexp = $oksectionpick[0]; 1133: } else { 1134: $secregexp .= '('.join('|',@oksectionpick).')'; 1135: } 1136: $skiptest = 0; 1137: } else { 1138: $secregexp .= '[^:]*'; 1139: } 1140: } 1141: if (defined($statusfilter) && $statusfilter ne '') { 1142: if ($statusfilter eq 'all') { 1143: $statusregexp = '[^:]+'; 1144: } else { 1145: $statusregexp = $statusfilter; 1146: $skiptest = 0; 1147: } 1148: } 1149: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1150: } 1151: 1152: 1153: sub get_post_contents { 1154: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1155: my $discussion = ''; 1156: my $start=$numver; 1157: my $end=$numver + 1; 1158: %{$$imsfiles{$idx}}=(); 1159: if ($type eq 'allversions') { 1160: unless($seeid) { 1161: $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role'); 1162: return $discussion; 1163: } 1164: } 1165: # $$screenname=&Apache::loncommon::screenname( 1166: # $$contrib{$idx.':sendername'}, 1167: # $$contrib{$idx.':senderdomain'}); 1168: # $$plainname=&Apache::loncommon::nickname( 1169: # $$contrib{$idx.':sendername'}, 1170: # $$contrib{$idx.':senderdomain'}); 1171: ($$screenname,$$plainname)=($$contrib{$idx.':screenname'}, 1172: $$contrib{$idx.':plainname'}); 1173: my $sender=&Apache::loncommon::aboutmewrapper( 1174: $$plainname, 1175: $$contrib{$idx.':sendername'}, 1176: $$contrib{$idx.':senderdomain'}).' ('. 1177: $$contrib{$idx.':sendername'}.' at '. 1178: $$contrib{$idx.':senderdomain'}.')'; 1179: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1180: my @postversions = (); 1181: if ($type eq 'allversions' || $type eq 'export') { 1182: $start = 0; 1183: if ($$contrib{$idx.':history'}) { 1184: if ($$contrib{$idx.':history'} =~ m/:/) { 1185: @postversions = split/:/,$$contrib{$idx.':history'}; 1186: } else { 1187: @postversions = ("$$contrib{$idx.':history'}"); 1188: } 1189: } 1190: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1191: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1192: push @postversions,$$contrib{$idx.':timestamp'}; 1193: $end = @postversions; 1194: } else { 1195: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1196: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1197: } 1198: 1199: if ($$contrib{$idx.':anonymous'}) { 1200: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1201: } 1202: if ($type eq 'allversions') { 1203: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1204: } 1205: for (my $i=$start; $i<$end; $i++) { 1206: my ($timesent,$attachmsg); 1207: my %currattach = (); 1208: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1209: &newline_to_br(\$messages->{$i}); 1210: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1211: $$subjects{$i}=~s/\n/\<br \/\>/g; 1212: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1213: if ($attachmenturls) { 1214: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1215: } 1216: if ($type eq 'export') { 1217: $$imsfiles{$idx}{$i} = ''; 1218: if ($attachmsg) { 1219: $$attachtxt{$i} = '<br />Attachments:<br />'; 1220: foreach (sort keys %currattach) { 1221: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1222: my $fname = $1.$3.'/'.$4; 1223: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1224: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1225: } 1226: } 1227: } 1228: } else { 1229: if ($attachmsg) { 1230: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />'; 1231: } else { 1232: $$attachtxt{$i} = ''; 1233: } 1234: } 1235: if ($type eq 'allversions') { 1236: $discussion.= <<"END"; 1237: <li><b>$$subjects{$i}</b>, $timesent<br /> 1238: $$messages{$i}<br /> 1239: $$attachtxt{$i}</li> 1240: END 1241: } 1242: } 1243: if ($type eq 'allversions') { 1244: $discussion.=('</ul></body></html>'); 1245: return $discussion; 1246: } else { 1247: return; 1248: } 1249: } 1250: 1251: sub replicate_attachments { 1252: my ($attachrefs,$tempexport) = @_; 1253: my $response; 1254: foreach my $id (keys %{$attachrefs}) { 1255: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1256: my $path = $tempexport; 1257: my $tail = $1.'/'.$2.$4; 1258: my @extras = split/\//,$tail; 1259: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1260: if (!-e $destination) { 1261: my $i= 0; 1262: while ($i<@extras) { 1263: $path .= '/'.$extras[$i]; 1264: if (!-e $path) { 1265: mkdir($path,0700); 1266: } 1267: $i ++; 1268: } 1269: my ($content,$rtncode); 1270: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1271: if ($uploadreply eq 'ok') { 1272: my $attachcopy; 1273: if ($attachcopy = Apache::File->new('>'.$destination)) { 1274: print $attachcopy $content; 1275: close($attachcopy); 1276: } else { 1277: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n"; 1278: } 1279: } else { 1280: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1281: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n"; 1282: } 1283: } 1284: } 1285: } 1286: return $response; 1287: } 1288: 1289: sub mail_screen { 1290: my ($r,$feedurl,$options) = @_; 1291: if (exists($env{'form.origpage'})) { 1292: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']); 1293: } 1294: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion', 1295: '','onLoad="window.focus();setposttype();"'); 1296: my $title=&Apache::lonnet::gettitle($feedurl); 1297: if (!$title) { $title = $feedurl; } 1298: my $quote=''; 1299: my $subject = ''; 1300: my $comment = ''; 1301: my $prevtag = ''; 1302: my $parentmsg = ''; 1303: my ($symb,$idx,$attachmenturls); 1304: my $numoldver = 0; 1305: my $attachmsg = ''; 1306: my $newattachmsg = ''; 1307: my @currnewattach = (); 1308: my @currdelold = (); 1309: my @keepold = (); 1310: my %attachments = (); 1311: my %currattach = (); 1312: my $attachnum = 0; 1313: my $anonchk = (<<END); 1314: function anonchk() { 1315: if (document.mailform.anondiscuss.checked == true) { 1316: document.attachment.anondiscuss.value = '1' 1317: } 1318: if (document.mailform.discuss.checked == true) { 1319: document.attachment.discuss.value = '1' 1320: } 1321: return 1322: } 1323: END 1324: my $anonscript; 1325: if (exists($env{'form.origpage'})) { 1326: $anonscript = (<<END); 1327: function setposttype() { 1328: var anondisc = $env{'form.anondiscuss'}; 1329: var disc = $env{'form.discuss'}; 1330: if (anondisc == 1) { 1331: document.mailform.anondiscuss.checked = true 1332: } 1333: if (disc == 1) { 1334: document.mailform.discuss.checked = true 1335: } 1336: return 1337: } 1338: END 1339: } else { 1340: $anonscript = (<<END); 1341: function setposttype() { 1342: return 1343: } 1344: END 1345: } 1346: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1347: if ($env{'form.replydisc'}) { 1348: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1349: } else { 1350: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1351: } 1352: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1353: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1354: $env{'course.'.$env{'request.course.id'}.'.num'}); 1355: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1356: if ($contrib{$idx.':history'}) { 1357: if ($contrib{$idx.':history'} =~ /:/) { 1358: my @oldversions = split/:/,$contrib{$idx.':history'}; 1359: $numoldver = @oldversions; 1360: } else { 1361: $numoldver = 1; 1362: } 1363: } 1364: if ($env{'form.replydisc'}) { 1365: if ($contrib{$idx.':history'}) { 1366: if ($contrib{$idx.':history'} =~ /:/) { 1367: my @oldversions = split/:/,$contrib{$idx.':history'}; 1368: $numoldver = @oldversions; 1369: } else { 1370: $numoldver = 1; 1371: } 1372: } 1373: my $message; 1374: if ($idx > 0) { 1375: my %msgversions = (); 1376: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1377: $message = $msgversions{$numoldver}; 1378: } 1379: &newline_to_br(\$message); 1380: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>'; 1381: if ($idx > 0) { 1382: my %subversions = (); 1383: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1384: $subject = 'Re: '.$subversions{$numoldver}; 1385: } 1386: $subject = &HTML::Entities::encode($subject,'<>&"'); 1387: } else { 1388: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1389: if ($idx > 0) { 1390: my %msgversions = (); 1391: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1392: $comment = $msgversions{$numoldver}; 1393: my %subversions = (); 1394: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1395: $subject = $subversions{$numoldver}; 1396: } 1397: if (defined($contrib{$idx.':replyto'})) { 1398: $parentmsg = $contrib{$idx.':replyto'}; 1399: } 1400: unless (exists($env{'form.origpage'})) { 1401: my $anonflag = 0; 1402: if ($contrib{$idx.':anonymous'}) { 1403: $anonflag = 1; 1404: } 1405: $anonscript = (<<END); 1406: function setposttype () { 1407: var currtype = $anonflag 1408: if (currtype == 1) { 1409: document.mailform.elements.discuss.checked = false 1410: document.mailform.elements.anondiscuss.checked = true 1411: } 1412: if (currtype == 0) { 1413: document.mailform.elements.anondiscuss.checked = false 1414: document.mailform.elements.discuss.checked = true 1415: } 1416: return 1417: } 1418: END 1419: } 1420: } 1421: } 1422: if ($env{'form.previous'}) { 1423: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1424: } 1425: } 1426: 1427: if ($env{'form.origpage'}) { 1428: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 1429: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 1430: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1431: } 1432: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); 1433: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders(); 1434: my $send=&mt('Send'); 1435: my $html=&Apache::lonxml::xmlbegin(); 1436: $r->print(<<END); 1437: $html 1438: <head> 1439: <title>The LearningOnline Network with CAPA</title> 1440: <meta http-equiv="pragma" content="no-cache"></meta> 1441: $htmlheader 1442: <script type="text/javascript"> 1443: // 1489: </script> 1490: </head> 1491: $bodytag 1492: <h2><tt>$title</tt></h2> 1493: <form action="/adm/feedback" method="post" name="mailform" 1494: enctype="multipart/form-data"> 1495: $prevtag 1496: <input type="hidden" name="postdata" value="$feedurl" /> 1497: END 1498: if ($env{'form.replydisc'}) { 1499: $r->print(<<END); 1500: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1501: END 1502: } elsif ($env{'form.editdisc'}) { 1503: $r->print(<<END); 1504: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1505: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1506: END 1507: } 1508: $r->print(<<END); 1509: Please check at least one of the following feedback types: 1510: $options<hr /> 1511: $quote 1512: <p>My question/comment/feedback:</p> 1513: <p> 1514: $latexHelp 1515: Title: <input type="text" name="subject" size="30" value="$subject" /></p> 1516: <p> 1517: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1518: </textarea></p> 1519: <p> 1520: END 1521: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1522: if ($env{'form.origpage'}) { 1523: foreach (@currnewattach) { 1524: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 1525: } 1526: foreach (@currdelold) { 1527: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 1528: } 1529: } 1530: if ($env{'form.editdisc'}) { 1531: if ($attachmenturls) { 1532: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1533: $attachnum = scalar(keys %currattach); 1534: foreach (keys %currattach) { 1535: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n"); 1536: } 1537: } 1538: } 1539: } else { 1540: $r->print(<<END); 1541: Attachment (128 KB max size): <input type="file" name="attachment" /> 1542: </p> 1543: END 1544: } 1545: $r->print(<<END); 1546: <p> 1547: <input type="hidden" name="sendit" value="1" /> 1548: <input type="button" value="$send" onClick='gosubmit();' /> 1549: </p> 1550: </form> 1551: END 1552: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1553: my $now = time; 1554: my $ressymb = $symb; 1555: my $postidx = ''; 1556: if ($env{'form.editdisc'}) { 1557: $postidx = $idx; 1558: } 1559: if (@currnewattach > 0) { 1560: $attachnum += @currnewattach; 1561: } 1562: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver)); 1563: if ($attachnum > 0) { 1564: if (@currnewattach > 0) { 1565: $newattachmsg .= '<b>New attachments</b><br />'; 1566: if (@currnewattach > 1) { 1567: $newattachmsg .= '<ol>'; 1568: foreach my $item (@currnewattach) { 1569: $item =~ m#.*/([^/]+)$#; 1570: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1571: } 1572: $newattachmsg .= '</ol>'."\n"; 1573: } else { 1574: $currnewattach[0] =~ m#.*/([^/]+)$#; 1575: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1576: } 1577: } 1578: if ($attachmsg) { 1579: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n"); 1580: } 1581: if ($newattachmsg) { 1582: $r->print("$newattachmsg<br />"); 1583: } 1584: } 1585: } 1586: $r->print(&generate_preview_button(). 1587: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1588: '</body></html>'); 1589: } 1590: 1591: sub print_display_options { 1592: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1593: &Apache::loncommon::content_type($r,'text/html'); 1594: $r->send_http_header; 1595: 1596: my $function = &Apache::loncommon::get_users_function(); 1597: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1598: $env{'user.domain'}); 1599: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1600: '',''); 1601: 1602: my %lt = &Apache::lonlocal::texthash( 1603: 'dido' => 'Discussion display options', 1604: 'pref' => 'Display Preference', 1605: 'curr' => 'Current setting ', 1606: 'actn' => 'Action', 1607: 'deff' => 'Default for all discussions', 1608: 'prca' => 'Preferences can be set for this discussion that determine ....', 1609: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', 1610: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1611: 'wipa' => 'Whether individual posts can be marked as read/unread', 1612: 'allposts' => 'All posts', 1613: 'unread' => 'New posts only', 1614: 'unmark' => 'Posts not marked read', 1615: 'ondisp' => 'Once displayed', 1616: 'onmark' => 'Once marked not NEW ', 1617: 'toggon' => 'Shown', 1618: 'toggoff' => 'Not shown', 1619: 'disa' => 'Posts displayed?', 1620: 'npmr' => 'New posts cease to be identified as "NEW"?', 1621: 'dotm' => 'Option to mark each post as read/unread?', 1622: 'chgt' => 'Change to ', 1623: 'mkdf' => 'Set to ', 1624: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1625: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1626: ); 1627: 1628: my $dispchangeA = $lt{'unread'}; 1629: my $dispchangeB = $lt{'unmark'}; 1630: my $markchange = $lt{'ondisp'}; 1631: my $toggchange = $lt{'toggon'}; 1632: my $currdisp = $lt{'allposts'}; 1633: my $currmark = $lt{'onmark'}; 1634: my $discdisp = 'allposts'; 1635: my $discmark = 'onmark'; 1636: my $currtogg = $lt{'toggoff'}; 1637: my $disctogg = 'toggoff'; 1638: 1639: if ($dispchgA eq 'allposts') { 1640: $dispchangeA = $lt{'allposts'}; 1641: $currdisp = $lt{'unread'}; 1642: $discdisp = 'unread'; 1643: } 1644: 1645: if ($markchg eq 'markonread') { 1646: $markchange = $lt{'onmark'}; 1647: $currmark = $lt{'ondisp'}; 1648: $discmark = 'ondisp'; 1649: } 1650: 1651: if ($dispchgB eq 'onlyunread') { 1652: $dispchangeB = $lt{'unread'}; 1653: $currdisp = $lt{'unmark'}; 1654: $discdisp = 'unmark'; 1655: } 1656: if ($toggchg eq 'toggoff') { 1657: $toggchange = $lt{'toggoff'}; 1658: $currtogg = $lt{'toggon'}; 1659: $disctogg = 'toggon'; 1660: } 1661: my $html=&Apache::lonxml::xmlbegin(); 1662: $r->print(<<END); 1663: $html 1664: <head> 1665: <title>$lt{'dido'}</title> 1666: <meta http-equiv="pragma" content="no-cache" /> 1667: <script> 1668: function discdispChk(caller) { 1669: var disctogg = '$toggchg' 1670: if (caller == 0) { 1671: if (document.modifydisp.discdisp[0].checked == true) { 1672: if (document.modifydisp.discdisp[1].checked == true) { 1673: document.modifydisp.discdisp[1].checked = false 1674: } 1675: } 1676: } 1677: if (caller == 1) { 1678: if (document.modifydisp.discdisp[1].checked == true) { 1679: if (document.modifydisp.discdisp[0].checked == true) { 1680: document.modifydisp.discdisp[0].checked = false 1681: } 1682: if (disctogg == 'toggon') { 1683: document.modifydisp.disctogg.checked = true 1684: } 1685: if (disctogg == 'toggoff') { 1686: document.modifydisp.disctogg.checked = false 1687: } 1688: } 1689: } 1690: if (caller == 2) { 1691: var dispchgB = '$dispchgB' 1692: if (disctogg == 'toggoff') { 1693: if (document.modifydisp.disctogg.checked == true) { 1694: if (dispchgB == 'onlyunmark') { 1695: document.modifydisp.discdisp[1].checked = false 1696: } 1697: } 1698: } 1699: } 1700: } 1701: 1702: function setDisp() { 1703: var prev = "$previous" 1704: var chktotal = 0 1705: if (document.modifydisp.discdisp[0].checked == true) { 1706: document.modifydisp.$dispchgA.value = "$symb" 1707: chktotal ++ 1708: } 1709: if (document.modifydisp.discdisp[1].checked == true) { 1710: document.modifydisp.$dispchgB.value = "$symb" 1711: chktotal ++ 1712: } 1713: if (document.modifydisp.discmark.checked == true) { 1714: document.modifydisp.$markchg.value = "$symb" 1715: chktotal ++ 1716: } 1717: if (document.modifydisp.disctogg.checked == true) { 1718: document.modifydisp.$toggchg.value = "$symb" 1719: chktotal ++ 1720: } 1721: if (chktotal > 0) { 1722: document.modifydisp.submit() 1723: } else { 1724: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1725: if (prev > 0) { 1726: location.href = "$feedurl?previous=$previous" 1727: } else { 1728: location.href = "$feedurl" 1729: } 1730: } 1731: } 1732: } 1733: </script> 1734: </head> 1735: $bodytag 1736: <form name="modifydisp" method="post" action="/adm/feedback"> 1737: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1738: <br /> 1739: <table border="0" cellpadding="0" cellspacing="0"> 1740: <tr> 1741: <td width="100%" bgcolor="#000000"> 1742: <table width="100%" border="0" cellpadding="1" cellspacing="0"> 1743: <tr> 1744: <td width="100%" bgcolor="#000000"> 1745: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF"> 1746: <tr bgcolor="$tabcolor"> 1747: <td><b>$lt{'pref'}</b></td> 1748: <td><b>$lt{'curr'}</b></td> 1749: <td><b>$lt{'actn'}?</b></td> 1750: </tr> 1751: <tr bgcolor="#dddddd"> 1752: <td>$lt{'disa'}</td> 1753: <td>$lt{$discdisp}</td> 1754: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1755: <br /> 1756: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1757: </td> 1758: </tr><tr bgcolor="#eeeeee"> 1759: <td>$lt{'npmr'}</td> 1760: <td>$lt{$discmark}</td> 1761: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1762: </tr><tr bgcolor="#dddddd"> 1763: <td>$lt{'dotm'}</td> 1764: <td>$lt{$disctogg}</td> 1765: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1766: </tr> 1767: </table> 1768: </td> 1769: </tr> 1770: </table> 1771: </td> 1772: </tr> 1773: </table> 1774: <br /> 1775: <br /> 1776: <input type="hidden" name="symb" value="$symb" /> 1777: <input type="hidden" name="previous" value="$previous" /> 1778: <input type="hidden" name="$dispchgA" value=""/> 1779: <input type="hidden" name="$dispchgB" value=""/> 1780: <input type="hidden" name="$markchg" value=""/> 1781: <input type="hidden" name="$toggchg" value="" /> 1782: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" /> 1783: <br /> 1784: <br /> 1785: </form> 1786: </body> 1787: </html> 1788: END 1789: return; 1790: } 1791: 1792: sub print_sortfilter_options { 1793: my ($r,$symb,$previous,$feedurl) = @_; 1794: 1795: &Apache::loncommon::content_type($r,'text/html'); 1796: $r->send_http_header; 1797: 1798: &Apache::lonenc::check_encrypt(\$symb); 1799: my @sections = (); 1800: my $section_sel = ''; 1801: my $numsections = 0; 1802: my $numvisible = 5; 1803: my %sectioncount = (); 1804: 1805: $numsections = &Apache::loncommon::get_sections($env{'course.'.$env{'request.course.id'}.'.domain'},$env{'course.'.$env{'request.course.id'}.'.num'},\%sectioncount); 1806: 1807: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 1808: @sections = ('all',$env{'request.course.sec'}); 1809: $numvisible = 2; 1810: } else { 1811: @sections = sort {$a cmp $b} keys(%sectioncount); 1812: unshift(@sections,'all'); # Put 'all' at the front of the list 1813: if ($numsections < 4) { 1814: $numvisible = $numsections + 1; 1815: } 1816: } 1817: foreach (@sections) { 1818: $section_sel .= " <option value=\"$_\" />$_\n"; 1819: } 1820: 1821: my $function = &Apache::loncommon::get_users_function(); 1822: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1823: $env{'user.domain'}); 1824: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1825: '',''); 1826: my %lt = &Apache::lonlocal::texthash( 1827: 'diso' => 'Discussion sorting and filtering options', 1828: 'diop' => 'Display Options', 1829: 'curr' => 'Current setting ', 1830: 'actn' => 'Action', 1831: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 1832: 'soor' => 'Sort order', 1833: 'spur' => 'Specific user roles', 1834: 'sprs' => 'Specific role status', 1835: 'spse' => 'Specific sections', 1836: 'psub' => 'Pick specific users (by name)', 1837: 'shal' => 'Show a list of current posters' 1838: ); 1839: 1840: my %sort_types = (); 1841: my %role_types = (); 1842: my %status_types = (); 1843: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 1844: my $html=&Apache::lonxml::xmlbegin(); 1845: $r->print(<<END); 1846: $html 1847: <head> 1848: <title>$lt{'diso'}</title> 1849: <meta http-equiv="pragma" content="no-cache" /> 1850: <script type="text/javascript"> 1851: function verifyFilter() { 1852: var rolenum = 0 1853: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 1854: if (document.modifyshown.rolefilter.options[i].selected == true) { 1855: rolenum ++ 1856: } 1857: } 1858: if (rolenum == 0) { 1859: document.modifyshown.rolefilter.options[0].selected = true 1860: } 1861: 1862: var secnum = 0 1863: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 1864: if (document.modifyshown.sectionpick.options[i].selected == true) { 1865: secnum ++ 1866: } 1867: } 1868: if (secnum == 0) { 1869: document.modifyshown.sectionpick.options[0].selected = true 1870: } 1871: document.modifyshown.submit(); 1872: } 1873: </script> 1874: </head> 1875: $bodytag 1876: <form name="modifyshown" method="post" action="/adm/feedback"> 1877: <b>$lt{'diso'}</b><br/> $lt{'prca'} 1878: <br /><br /> 1879: <table border="0"> 1880: <tr> 1881: <td><b>$lt{'soor'}</b></td> 1882: <td> </td> 1883: <td><b>$lt{'sprs'}</b></td> 1884: <td> </td> 1885: <td><b>$lt{'spur'}</b></td> 1886: <td> </td> 1887: <td><b>$lt{'spse'}</b></td> 1888: <td> </td> 1889: <td><b>$lt{'psub'}</b></td> 1890: </tr> 1891: <tr> 1892: <td align="center"> 1893: <select name="sortposts"> 1894: <option value="ascdate" selected="selected" />$sort_types{'ascdate'} 1895: <option value="descdate" />$sort_types{'descdate'} 1896: <option value="thread" />$sort_types{'thread'} 1897: <option value="subject" />$sort_types{'subject'} 1898: <option value="username" />$sort_types{'username'} 1899: <option value="lastfirst" />$sort_types{'lastfirst'} 1900: </select> 1901: </td> 1902: <td> </td> 1903: <td align="center"> 1904: <select name="statusfilter"> 1905: <option value="all" selected="selected" />$status_types{'all'} 1906: <option value="Active" />$status_types{'Active'} 1907: <option value="Expired" />$status_types{'Expired'} 1908: </select> 1909: </td> 1910: <td> </td> 1911: <td align="center"> 1912: <select name="rolefilter" multiple="true" size="5"> 1913: <option value="all" />$role_types{'all'} 1914: <option value="st" />$role_types{'st'} 1915: <option value="cc" />$role_types{'cc'} 1916: <option value="in" />$role_types{'in'} 1917: <option value="ta" />$role_types{'ta'} 1918: <option value="ep" />$role_types{'ep'} 1919: <option value="ad" />$role_types{'ad'} 1920: <option value="cr" />$role_types{'cr'} 1921: </select> 1922: </td> 1923: <td> </td> 1924: <td align="center"> 1925: <select name="sectionpick" multiple="true" size="$numvisible"> 1926: $section_sel 1927: </select> 1928: </td> 1929: <td> </td> 1930: <td><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 1931: </tr> 1932: </table> 1933: <br /> 1934: <br /> 1935: <input type="hidden" name="previous" value="$previous" /> 1936: <input type="hidden" name="applysort" value="$symb" /> 1937: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" /> 1938: <br /> 1939: <br /> 1940: </form> 1941: </body> 1942: </html> 1943: END 1944: } 1945: 1946: sub print_showposters { 1947: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 1948: 1949: &Apache::loncommon::content_type($r,'text/html'); 1950: $r->send_http_header; 1951: 1952: &Apache::lonenc::check_encrypt(\$symb); 1953: my $crs='/'.$env{'request.course.id'}; 1954: if ($env{'request.course.sec'}) { 1955: $crs.='_'.$env{'request.course.sec'}; 1956: } 1957: $crs=~s/\_/\//g; 1958: my $seeid=&Apache::lonnet::allowed('rin',$crs); 1959: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1960: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1961: $env{'course.'.$env{'request.course.id'}.'.num'}); 1962: my %namesort = (); 1963: my %postcounts = (); 1964: my %lt=&Apache::lonlocal::texthash( 1965: 'diso' => 'Discussion filtering options', 1966: ); 1967: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1968: '',''); 1969: if ($contrib{'version'}) { 1970: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 1971: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 1972: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 1973: unless ((($hidden) && (!$seeid)) || ($deleted)) { 1974: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 1975: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1976: my $lastname = $names{'lastname'}; 1977: my $firstname = $names{'firstname'}; 1978: if ($lastname eq '') { 1979: $lastname = '_'; 1980: } 1981: if ($firstname eq '') { 1982: $firstname = '_'; 1983: } 1984: unless (defined($namesort{$lastname})) { 1985: %{$namesort{$lastname}} = (); 1986: } 1987: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 1988: $postcounts{$poster} ++; 1989: if (defined($namesort{$lastname}{$firstname})) { 1990: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 1991: push @{$namesort{$lastname}{$firstname}}, $poster; 1992: } 1993: } else { 1994: @{$namesort{$lastname}{$firstname}} = ("$poster"); 1995: } 1996: } 1997: } 1998: } 1999: } 2000: my $html=&Apache::lonxml::xmlbegin(); 2001: $r->print(<<END); 2002: $html 2003: <head> 2004: <title>$lt{'diso'}</title> 2005: <meta http-equiv="pragma" content="no-cache" /> 2006: </head> 2007: $bodytag 2008: <form name="pickpostersform" method="post"> 2009: <table border="0"> 2010: <tr> 2011: <td bgcolor="#777777"> 2012: <table border="0" cellpadding="3"> 2013: <tr bgcolor="#e6ffff"> 2014: <td><b>No.</b></td> 2015: <td><b>Select</b></td> 2016: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td> 2017: <td><b>Posts</td> 2018: </tr> 2019: END 2020: my $count = 0; 2021: foreach my $last (sort keys %namesort) { 2022: foreach my $first (sort keys %{$namesort{$last}}) { 2023: foreach (sort @{$namesort{$last}{$first}}) { 2024: my ($uname,$udom) = split/:/,$_; 2025: if (!$uname || !$udom) { 2026: next; 2027: } else { 2028: $count ++; 2029: $r->print('<tr bgcolor="#ffffe6"><td align="right">'.$count.'</td><td align="center"><label><input name="stuinfo" type="checkbox" value="'.$_.'" /></td><td>'.$last.', '.$first.' ('.$uname.','.$udom.')</label></td><td>'.$postcounts{$_}.'</td></tr>'); 2030: } 2031: } 2032: } 2033: } 2034: $r->print(<<END); 2035: </table> 2036: </td> 2037: </tr> 2038: </table> 2039: <br /> 2040: <input type="hidden" name="sortposts" value="$sortposts" /> 2041: <input type="hidden" name="userpick" value="$symb" /> 2042: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2043: </form> 2044: </body> 2045: </html> 2046: END 2047: } 2048: 2049: sub get_post_versions { 2050: my ($versions,$incoming,$htmldecode,$numver) = @_; 2051: if ($incoming =~ /^<version num="0">/) { 2052: my $p = HTML::LCParser->new(\$incoming); 2053: my $done = 0; 2054: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2055: my $num = $token->[1]{num}; 2056: my $text = $p->get_text("/version"); 2057: if (defined($numver)) { 2058: if ($num == $numver) { 2059: if ($htmldecode) { 2060: $text = &HTML::Entities::decode($text); 2061: } 2062: $$versions{$numver}=$text; 2063: $done = 1; 2064: } 2065: } else { 2066: if ($htmldecode) { 2067: $text = &HTML::Entities::decode($text); 2068: } 2069: $$versions{$num}=$text; 2070: } 2071: } 2072: } else { 2073: if (!defined($numver)) { 2074: $numver = 0; 2075: } 2076: if ($htmldecode) { 2077: $$versions{$numver} = $incoming; 2078: } else { 2079: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2080: } 2081: } 2082: return; 2083: } 2084: 2085: sub get_post_attachments { 2086: my ($attachments,$attachmenturls) = @_; 2087: my $num; 2088: if ($attachmenturls =~ m/^<attachment id="0">/) { 2089: my $p = HTML::LCParser->new(\$attachmenturls); 2090: while (my $token = $p->get_tag("attachment","filename","post")) { 2091: if ($token->[0] eq "attachment") { 2092: $num = $token->[1]{id}; 2093: %{$$attachments{$num}} =(); 2094: } elsif ($token->[0] eq "filename") { 2095: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2096: } elsif ($token->[0] eq "post") { 2097: my $id = $token->[1]{id}; 2098: $$attachments{$num}{$id} = $p->get_text("/post"); 2099: } 2100: } 2101: } else { 2102: %{$$attachments{'0'}} = (); 2103: $$attachments{'0'}{'filename'} = $attachmenturls; 2104: $$attachments{'0'}{'0'} = 'n'; 2105: } 2106: 2107: return; 2108: } 2109: 2110: sub fail_redirect { 2111: my ($r,$feedurl) = @_; 2112: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2113: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2114: my $html=&Apache::lonxml::xmlbegin(); 2115: $r->print (<<ENDFAILREDIR); 2116: $html 2117: <head> 2118: <title>Feedback not sent</title> 2119: <meta http-equiv="pragma" content="no-cache" /> 2120: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2121: </head> 2122: <body bgcolor="#FFFFFF"> 2123: <img align="right" src="$logo" /> 2124: <b>Sorry, no recipients ...</b> 2125: <br /><a href="$feedurl">Continue</a> 2126: </body> 2127: </html> 2128: ENDFAILREDIR 2129: } 2130: 2131: sub redirect_back { 2132: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$numpicks) = @_; 2133: my $sorttag = ''; 2134: my $roletag = ''; 2135: my $statustag = ''; 2136: my $sectag = ''; 2137: my $userpicktag = ''; 2138: my $qrystr = ''; 2139: my $prevtag = ''; 2140: 2141: &Apache::loncommon::content_type($r,'text/html'); 2142: $r->send_http_header; 2143: 2144: &dewrapper(\$feedurl); 2145: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2146: if ($previous > 0) { 2147: $qrystr = 'previous='.$previous; 2148: if ($feedurl =~ /\?register=1/) { 2149: $feedurl .= '&'.$qrystr; 2150: } else { 2151: $feedurl .= '?'.$qrystr; 2152: } 2153: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2154: } 2155: if (defined($sort)) { 2156: my $sortqry = 'sortposts='.$sort; 2157: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2158: $feedurl .= '&'.$sortqry; 2159: } else { 2160: $feedurl .= '?'.$sortqry; 2161: } 2162: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2163: if (defined($numpicks)) { 2164: my $userpickqry = 'totposters='.$numpicks; 2165: $feedurl .= '&'.$userpickqry; 2166: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2167: } else { 2168: if (ref($sectionpick) eq 'ARRAY') { 2169: $feedurl .= '&sectionpick='; 2170: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2171: foreach (@{$sectionpick}) { 2172: $feedurl .= $_.','; 2173: $sectag .= $_.','; 2174: } 2175: $feedurl =~ s/,$//; 2176: $sectag =~ s/,$//; 2177: $sectag .= '" />'; 2178: } else { 2179: $feedurl .= '&sectionpick='.$sectionpick; 2180: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2181: } 2182: if (ref($rolefilter) eq 'ARRAY') { 2183: $feedurl .= '&rolefilter='; 2184: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2185: foreach (@{$rolefilter}) { 2186: $feedurl .= $_.','; 2187: $roletag .= $_.','; 2188: } 2189: $feedurl =~ s/,$//; 2190: $roletag =~ s/,$//; 2191: $roletag .= '" />'; 2192: } else { 2193: $feedurl .= '&rolefilter='.$rolefilter; 2194: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2195: } 2196: $feedurl .= '&statusfilter='.$statusfilter; 2197: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2198: } 2199: } 2200: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2201: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2202: my $html=&Apache::lonxml::xmlbegin(); 2203: $r->print (<<ENDREDIR); 2204: $html 2205: <head> 2206: <title>Feedback sent</title> 2207: <meta http-equiv="pragma" content="no-cache" /> 2208: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2209: </head> 2210: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 2211: <img align="right" src="$logo" /> 2212: $typestyle 2213: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2214: <font color="red">$status</font> 2215: <form name="reldt" action="$feedurl" target="loncapaclient"> 2216: $prevtag 2217: $sorttag 2218: $statustag 2219: $roletag 2220: $sectag 2221: $userpicktag 2222: </form> 2223: <br /><a href="$feedurl">Continue</a> 2224: </body> 2225: </html> 2226: ENDREDIR 2227: } 2228: 2229: sub no_redirect_back { 2230: my ($r,$feedurl) = @_; 2231: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2232: my $continue=&mt('Continue'); 2233: my $html=&Apache::lonxml::xmlbegin(); 2234: $r->print (<<ENDNOREDIR); 2235: $html 2236: <head> 2237: <title>Feedback not sent</title> 2238: <meta http-equiv="pragma" content="no-cache" /> 2239: ENDNOREDIR 2240: 2241: if ($feedurl!~/^\/adm\/feedback/) { 2242: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='. 2243: &Apache::lonenc::check_encrypt($feedurl).'">'); 2244: } 2245: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2246: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2247: $r->print (<<ENDNOREDIRTWO); 2248: </head> 2249: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'> 2250: <img align="right" src="$logo" /> 2251: <b>$nofeed</b> 2252: <br /><a href="$feedurl">$continue</a> 2253: </body> 2254: </html> 2255: ENDNOREDIRTWO 2256: } 2257: 2258: sub screen_header { 2259: my ($feedurl,$symb) = @_; 2260: my $msgoptions=''; 2261: my $discussoptions=''; 2262: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2263: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2264: $msgoptions= 2265: '<p><label><input type="checkbox" name="author" /> '. 2266: &mt('Feedback to resource author').'</label></p>'; 2267: } 2268: if (&feedback_available(1)) { 2269: $msgoptions.= 2270: '<p><label><input type="checkbox" name="question" /> '. 2271: &mt('Question about resource content').'</label></p>'; 2272: } 2273: if (&feedback_available(0,1)) { 2274: $msgoptions.= 2275: '<p><label><input type="checkbox" name="course" /> '. 2276: &mt('Question/Comment/Feedback about course content'). 2277: '</label></p>'; 2278: } 2279: if (&feedback_available(0,0,1)) { 2280: $msgoptions.= 2281: '<p><label><input type="checkbox" name="policy" /> '. 2282: &mt('Question/Comment/Feedback about course policy'). 2283: '</label></p>'; 2284: } 2285: } 2286: if ($env{'request.course.id'}) { 2287: if (&discussion_open(undef,$symb) && 2288: &Apache::lonnet::allowed('pch', 2289: $env{'request.course.id'}. 2290: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2291: $discussoptions='<label><input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '. 2292: ($env{'form.replydisc'}?' checked="1"':'').' /> '. 2293: &mt('Contribution to course discussion of resource'); 2294: $discussoptions.='</label><br /><label><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '. 2295: &mt('Anonymous contribution to course discussion of resource'). 2296: ' <i>('.&mt('name only visible to course faculty').')</i></label>'; 2297: } 2298: } 2299: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2300: if ($discussoptions) { 2301: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2302: return $msgoptions.$discussoptions; 2303: } 2304: 2305: sub resource_output { 2306: my ($feedurl) = @_; 2307: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2308: $usersaw=~s/\<body[^\>]*\>//gi; 2309: $usersaw=~s/\<\/body\>//gi; 2310: $usersaw=~s/\<html\>//gi; 2311: $usersaw=~s/\<\/html\>//gi; 2312: $usersaw=~s/\<head\>//gi; 2313: $usersaw=~s/\<\/head\>//gi; 2314: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2315: return $usersaw; 2316: } 2317: 2318: sub clear_out_html { 2319: my ($message,$override)=@_; 2320: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2321: # Always allow the <m>-tag 2322: my %html=(M=>1); 2323: # Check if more is allowed 2324: my $cid=$env{'request.course.id'}; 2325: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2326: ($override)) { 2327: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2328: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2329: # <SUP> 2330: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2331: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2332: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2333: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2334: } 2335: # Do the substitution of everything that is not explicitly allowed 2336: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2337: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2338: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2339: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2340: return $message; 2341: } 2342: 2343: sub assemble_email { 2344: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_; 2345: my $email=<<"ENDEMAIL"; 2346: $message 2347: ENDEMAIL 2348: my $citations=<<"ENDCITE"; 2349: <h2>Previous attempts of student (if applicable)</h2> 2350: $prevattempts 2351: <br /><hr /> 2352: <h2>Original screen output (if applicable)</h2> 2353: $usersaw 2354: <h2>Correct Answer(s) (if applicable)</h2> 2355: $useranswer 2356: ENDCITE 2357: return ($email,$citations); 2358: } 2359: 2360: sub secapply { 2361: my $rec=shift; 2362: my $defaultflag=shift; 2363: $rec=~s/\s+//g; 2364: $rec=~s/\@/\:/g; 2365: my ($adr,$sections)=($rec=~/^([^$]+)\(([^$]+)\)/); 2366: if ($sections) { 2367: foreach (split(/\;/,$sections)) { 2368: if (($_ eq $env{'request.course.sec'}) || 2369: ($defaultflag && ($_ eq '*'))) { 2370: return $adr; 2371: } 2372: } 2373: } else { 2374: return $rec; 2375: } 2376: return ''; 2377: } 2378: 2379: =pod 2380: 2381: =over 4 2382: 2383: =item * 2384: 2385: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag); 2386: 2387: Arguments 2388: $feedurl - /res/ url of resource (only need if $author is true) 2389: $author,$question,$course,$policy - all true/false parameters 2390: if true will attempt to find the addresses of user that should receive 2391: this type of feedback (author - feedback to author of resource $feedurl, 2392: $question 'Resource Content Questions', $course 'Course Content Question', 2393: $policy 'Course Policy') 2394: (Additionally it also checks $env for whether the corresponding form.<name> 2395: element exists, for ease of use in a html response context) 2396: 2397: $defaultflag - (internal should be left blank) if true gather addresses 2398: that aren't for a section even if I have a section 2399: (used for reccursion internally, first we look for 2400: addresses for our specific section then we recurse 2401: and look for non section addresses) 2402: 2403: Returns 2404: $typestyle - string of html text, describing what addresses were found 2405: %to - a hash, which keys are addresses of users to send messages to 2406: the keys will look like name:domain 2407: 2408: =cut 2409: 2410: sub decide_receiver { 2411: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_; 2412: my $typestyle=''; 2413: my %to=(); 2414: if ($env{'form.author'}||$author) { 2415: $typestyle.='Submitting as Author Feedback<br />'; 2416: $feedurl=~/^\/res\/(\w+)\/(\w+)\//; 2417: $to{$2.':'.$1}=1; 2418: } 2419: if ($env{'form.question'}||$question) { 2420: $typestyle.='Submitting as Question<br />'; 2421: foreach (split(/\,/, 2422: $env{'course.'.$env{'request.course.id'}.'.question.email'}) 2423: ) { 2424: my $rec=&secapply($_,$defaultflag); 2425: if ($rec) { $to{$rec}=1; } 2426: } 2427: } 2428: if ($env{'form.course'}||$course) { 2429: $typestyle.='Submitting as Comment<br />'; 2430: foreach (split(/\,/, 2431: $env{'course.'.$env{'request.course.id'}.'.comment.email'}) 2432: ) { 2433: my $rec=&secapply($_,$defaultflag); 2434: if ($rec) { $to{$rec}=1; } 2435: } 2436: } 2437: if ($env{'form.policy'}||$policy) { 2438: $typestyle.='Submitting as Policy Feedback<br />'; 2439: foreach (split(/\,/, 2440: $env{'course.'.$env{'request.course.id'}.'.policy.email'}) 2441: ) { 2442: my $rec=&secapply($_,$defaultflag); 2443: if ($rec) { $to{$rec}=1; } 2444: } 2445: } 2446: if ((scalar(%to) eq '0') && (!$defaultflag)) { 2447: ($typestyle,%to)= 2448: &decide_receiver($feedurl,$author,$question,$course,$policy,1); 2449: } 2450: return ($typestyle,%to); 2451: } 2452: 2453: sub feedback_available { 2454: my ($question,$course,$policy)=@_; 2455: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy); 2456: return scalar(%to); 2457: } 2458: 2459: sub send_msg { 2460: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_; 2461: my $status=''; 2462: my $sendsomething=0; 2463: foreach (keys %to) { 2464: if ($_) { 2465: my $declutter=&Apache::lonnet::declutter($feedurl); 2466: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_), 2467: 'Feedback ['.$declutter.']',$email,$citations,$feedurl, 2468: $attachmenturl)=~/ok/) { 2469: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />'; 2470: } else { 2471: $sendsomething++; 2472: } 2473: } 2474: } 2475: 2476: my %record=&Apache::lonnet::restore('_feedback'); 2477: my ($temp)=keys %record; 2478: unless ($temp=~/^error\:/) { 2479: my %newrecord=(); 2480: $newrecord{'resource'}=$feedurl; 2481: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2482: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2483: $status.='<br />'.&mt('Not registered').'<br />'; 2484: } 2485: } 2486: 2487: return ($status,$sendsomething); 2488: } 2489: 2490: sub adddiscuss { 2491: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2492: my $status=''; 2493: my $realsymb; 2494: if ($symb=~/^bulletin___/) { 2495: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2496: $filename=~s|^adm/wrapper/||; 2497: $realsymb=&Apache::lonnet::symbread($filename); 2498: } 2499: if (&discussion_open(undef,$realsymb) && 2500: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2501: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2502: 2503: my %contrib=('message' => $email, 2504: 'sendername' => $env{'user.name'}, 2505: 'senderdomain' => $env{'user.domain'}, 2506: 'screenname' => $env{'environment.screenname'}, 2507: 'plainname' => $env{'environment.firstname'}.' '. 2508: $env{'environment.middlename'}.' '. 2509: $env{'environment.lastname'}.' '. 2510: $env{'enrironment.generation'}, 2511: 'attachmenturl'=> $attachmenturl, 2512: 'subject' => $subject); 2513: if ($env{'form.replydisc'}) { 2514: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2515: } 2516: if ($anon) { 2517: $contrib{'anonymous'}='true'; 2518: } 2519: if (($symb) && ($email)) { 2520: if ($env{'form.editdisc'}) { 2521: my %newcontrib = (); 2522: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2523: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2524: $contrib{'timestamp'} = time; 2525: $contrib{'history'} = ''; 2526: my $numoldver = 0; 2527: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2528: &Apache::lonenc::check_decrypt(\$oldsymb); 2529: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2530: # get timestamp for last post and history 2531: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2532: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2533: $env{'course.'.$env{'request.course.id'}.'.num'}); 2534: if (defined($oldcontrib{$oldidx.':replyto'})) { 2535: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2536: } 2537: if (defined($oldcontrib{$oldidx.':history'})) { 2538: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2539: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'}; 2540: $numoldver = @oldversions; 2541: } else { 2542: $numoldver = 1; 2543: } 2544: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2545: } 2546: my $numnewver = $numoldver + 1; 2547: if (defined($oldcontrib{$oldidx.':subject'})) { 2548: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2549: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2550: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2551: } else { 2552: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2553: } 2554: } 2555: if (defined($oldcontrib{$oldidx.':message'})) { 2556: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2557: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2558: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2559: } else { 2560: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2561: } 2562: } 2563: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2564: foreach (keys %contrib) { 2565: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_; 2566: $newcontrib{$key} = $contrib{$_}; 2567: } 2568: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2569: \%newcontrib, 2570: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2571: $env{'course.'.$env{'request.course.id'}.'.num'}); 2572: $status='Editing class discussion'.($anon?' (anonymous)':''); 2573: } else { 2574: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2575: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2576: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2577: $env{'course.'.$env{'request.course.id'}.'.num'}); 2578: } 2579: my %storenewentry=($symb => time); 2580: $status.='<br />'.&mt('Updating discussion time').': '. 2581: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2582: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2583: $env{'course.'.$env{'request.course.id'}.'.num'}); 2584: } 2585: my %record=&Apache::lonnet::restore('_discussion'); 2586: my ($temp)=keys %record; 2587: unless ($temp=~/^error\:/) { 2588: my %newrecord=(); 2589: $newrecord{'resource'}=$symb; 2590: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2591: $status.='<br />'.&mt('Registering').': '. 2592: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2593: } 2594: } else { 2595: $status.='Failed.'; 2596: } 2597: return $status.'<br />'; 2598: } 2599: 2600: # ----------------------------------------------------------- Preview function 2601: 2602: sub show_preview { 2603: my $r=shift; 2604: &Apache::loncommon::content_type($r,'text/html'); 2605: $r->send_http_header; 2606: my $message=&clear_out_html($env{'form.comment'}); 2607: &newline_to_br(\$message); 2608: $message=&Apache::lonspeller::markeduptext($message); 2609: $message=&Apache::lontexconvert::msgtexconverted($message); 2610: my $subject=&clear_out_html($env{'form.subject'}); 2611: $subject=~s/\n/\<br \/\>/g; 2612: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2613: my $html=&Apache::lonxml::xmlbegin(); 2614: $r->print($html.'<head>'. 2615: '</head><body><table border="2"><tr><td>'. 2616: '<b>Subject:</b> '.$subject.'<br /><br />'. 2617: $message.'</td></tr></table></body></html>'); 2618: } 2619: 2620: 2621: sub newline_to_br { 2622: my ($message)=@_; 2623: my $newmessage; 2624: my $parser=HTML::LCParser->new($message); 2625: while (my $token=$parser->get_token()) { 2626: if ($token->[0] eq 'T') { 2627: my $text=$token->[1]; 2628: $text=~s/\n/\<br \/\>/g; 2629: $newmessage.=$text; 2630: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2631: $newmessage.=$token->[1]; 2632: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2633: $newmessage.=$token->[2]; 2634: } elsif ($token->[0] eq 'S') { 2635: $newmessage.=$token->[4]; 2636: } 2637: 2638: } 2639: $$message=$newmessage; 2640: } 2641: 2642: sub generate_preview_button { 2643: my $pre=&mt("Show Preview and Check Spelling"); 2644: return(<<ENDPREVIEW); 2645: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2646: <input type="hidden" name="subject"> 2647: <input type="hidden" name="comment" /> 2648: <input type="button" value="$pre" 2649: onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" /> 2650: </form> 2651: ENDPREVIEW 2652: } 2653: 2654: sub modify_attachments { 2655: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_; 2656: my $orig_subject = &Apache::lonnet::unescape($env{'form.subject'}); 2657: my $subject=&clear_out_html($orig_subject); 2658: $subject=~s/\n/\<br \/\>/g; 2659: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2660: my $timestamp=$env{'form.timestamp'}; 2661: my $numoldver=$env{'form.numoldver'}; 2662: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments', 2663: '',''); 2664: my $msg = ''; 2665: my %attachments = (); 2666: my %currattach = (); 2667: if ($idx) { 2668: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2669: } 2670: &Apache::lonenc::check_encrypt(\$symb); 2671: my $html=&Apache::lonxml::xmlbegin(); 2672: $r->print(<<END); 2673: $html 2674: <head> 2675: <title>Managing Attachments</title> 2676: <script> 2677: function setAction () { 2678: document.modattachments.action = document.modattachments.origpage.value; 2679: document.modattachments.submit(); 2680: } 2681: </script> 2682: </head> 2683: $bodytag 2684: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2685: <table border="2"> 2686: <tr> 2687: <td> 2688: <b>Subject:</b> $subject</b><br /><br /> 2689: END 2690: if ($idx) { 2691: if ($attachmenturls) { 2692: my @currold = keys %currattach; 2693: if (@currold > 0) { 2694: $r->print("The following attachments were part of the most recent saved version of this posting.<br />Check the checkboxes for any you wish to remove<br />\n"); 2695: foreach my $id (@currold) { 2696: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 2697: $attachurl =~ m#/([^/]+)$#; 2698: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 2699: } 2700: $r->print("<br />"); 2701: } 2702: } 2703: } 2704: if (@{$currnewattach} > 0) { 2705: $r->print("The following attachments have been uploaded for inclusion with this posting.<br />Check the checkboxes for any you wish to remove<br />\n"); 2706: foreach (@{$currnewattach}) { 2707: $_ =~ m#/([^/]+)$#; 2708: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'</label><br />'."\n"); 2709: } 2710: $r->print("<br />"); 2711: } 2712: $r->print(<<END); 2713: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 2714: </td> 2715: </tr> 2716: </table> 2717: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 2718: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 2719: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 2720: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 2721: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 2722: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 2723: <input type="hidden" name="anondiscuss" value="$env{'form.anondiscuss'}" /> 2724: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 2725: END 2726: foreach (@{$currnewattach}) { 2727: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 2728: } 2729: foreach (@{$currdelold}) { 2730: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 2731: } 2732: $r->print(<<END); 2733: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/> 2734: </form> 2735: </body> 2736: </html> 2737: END 2738: return; 2739: } 2740: 2741: sub process_attachments { 2742: my ($currnewattach,$currdelold,$keepold) = @_; 2743: 2744: @{$currnewattach}= 2745: &Apache::loncommon::get_env_multiple('form.currnewattach'); 2746: @{$currdelold}= 2747: &Apache::loncommon::get_env_multiple('form.deloldattach'); 2748: if (exists($env{'form.delnewattach'})) { 2749: my @currdelnew = 2750: &Apache::loncommon::get_env_multiple('form.delnewattach'); 2751: my @currnew = (); 2752: foreach my $newone (@{$currnewattach}) { 2753: my $delflag = 0; 2754: foreach (@currdelnew) { 2755: if ($newone eq $_) { 2756: $delflag = 1; 2757: last; 2758: } 2759: } 2760: unless ($delflag) { 2761: push @currnew, $newone; 2762: } 2763: } 2764: @{$currnewattach} = @currnew; 2765: } 2766: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 2767: } 2768: 2769: sub generate_attachments_button { 2770: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_; 2771: my $origpage = $ENV{'REQUEST_URI'}; 2772: my $att=$attachnum.' '.&mt("attachments"); 2773: my $response = (<<END); 2774: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 2775: Click to add/remove attachments: <input type="button" value="$att" 2776: 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); 2777: END 2778: unless ($mode eq 'board') { 2779: $response .= 'javascript:anonchk();'; 2780: } 2781: $response .= (<<ENDATTACH); 2782: this.form.submit();" /> 2783: <input type="hidden" name="origpage" value="$origpage" /> 2784: <input type="hidden" name="idx" value="$idx" /> 2785: <input type="hidden" name="timestamp" value="$now" /> 2786: <input type="hidden" name="subject" /> 2787: <input type="hidden" name="comment" /> 2788: <input type="hidden" name="anondiscuss" value = "0" /> 2789: <input type="hidden" name="discuss" value = "0" /> 2790: <input type="hidden" name="numoldver" value="$numoldver" /> 2791: ENDATTACH 2792: if (defined($deloldattach)) { 2793: if (@{$deloldattach} > 0) { 2794: foreach (@{$deloldattach}) { 2795: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"; 2796: } 2797: } 2798: } 2799: if (defined($currnewattach)) { 2800: if (@{$currnewattach} > 0) { 2801: foreach (@{$currnewattach}) { 2802: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 2803: } 2804: } 2805: } 2806: $response .= '</form>'; 2807: return $response; 2808: } 2809: 2810: sub extract_attachments { 2811: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 2812: %{$attachments}=(); 2813: &get_post_attachments($attachments,$attachmenturls); 2814: foreach my $id (sort keys %{$attachments}) { 2815: if (exists($$attachments{$id}{$numoldver})) { 2816: if (defined($currdelold)) { 2817: if (@{$currdelold} > 0) { 2818: unless (grep/^$id$/,@{$currdelold}) { 2819: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2820: } 2821: } else { 2822: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2823: } 2824: } else { 2825: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2826: } 2827: } 2828: } 2829: my @attached = (sort { $a <=> $b } keys %{$currattach}); 2830: if (@attached == 1) { 2831: my $id = $attached[0]; 2832: my $attachurl; 2833: if ($attachmenturls =~ m/^<attachment id="0">/) { 2834: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2835: } else { 2836: $attachurl = $$attachments{$id}{'filename'}; 2837: } 2838: $attachurl=~m|/([^/]+)$|; 2839: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 2840: $1.'</tt></a><br />'; 2841: &Apache::lonnet::allowuploaded('/adm/feedback', 2842: $attachurl); 2843: } elsif (@attached > 1) { 2844: $$message.='<ol>'; 2845: foreach (@attached) { 2846: my $id = $_; 2847: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2848: my ($fname) 2849: =($attachurl=~m|/([^/]+)$|); 2850: $$message .= '<li><a href="'.$attachurl. 2851: '"><tt>'. 2852: $fname.'</tt></a></li>'; 2853: &Apache::lonnet::allowuploaded('/adm/feedback', 2854: $attachurl); 2855: } 2856: $$message .= '</ol>'; 2857: } 2858: } 2859: 2860: sub construct_attachmenturl { 2861: my ($currnewattach,$keepold,$symb,$idx)=@_; 2862: my $oldattachmenturl; 2863: my $newattachmenturl; 2864: my $startnum = 0; 2865: my $currver = 0; 2866: if (($env{'form.editdisc'}) && ($idx)) { 2867: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2868: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2869: $env{'course.'.$env{'request.course.id'}.'.num'}); 2870: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 2871: if ($contrib{$idx.':history'}) { 2872: if ($contrib{$idx.':history'} =~ /:/) { 2873: my @oldversions = split/:/,$contrib{$idx.':history'}; 2874: $currver = 1 + scalar(@oldversions); 2875: } else { 2876: $currver = 2; 2877: } 2878: } else { 2879: $currver = 1; 2880: } 2881: if ($oldattachmenturl) { 2882: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 2883: my %attachments = (); 2884: my $prevver = $currver-1; 2885: &get_post_attachments(\%attachments,$oldattachmenturl); 2886: my $numattach = scalar(keys %attachments); 2887: $startnum += $numattach; 2888: foreach my $num (sort {$a <=> $b} keys %attachments) { 2889: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 2890: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) { 2891: unless ($_ eq 'filename') { 2892: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>'; 2893: } 2894: } 2895: if (grep/^$num$/,@{$keepold}) { 2896: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 2897: } 2898: $newattachmenturl .= '</attachment>'; 2899: } 2900: } else { 2901: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 2902: unless (grep/^0$/,@{$keepold}) { 2903: $newattachmenturl .= '<post id="1">n</post>'; 2904: } 2905: $newattachmenturl .= '</attachment>'; 2906: $startnum ++; 2907: } 2908: } 2909: } 2910: for (my $i=0; $i<@{$currnewattach}; $i++) { 2911: my $attachnum = $startnum + $i; 2912: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 2913: } 2914: return $newattachmenturl; 2915: } 2916: 2917: sub has_discussion { 2918: my $resourcesref = shift; 2919: my $navmap = Apache::lonnavmaps::navmap->new(); 2920: my @allres=$navmap->retrieveResources(); 2921: foreach my $resource (@allres) { 2922: if ($resource->hasDiscussion()) { 2923: my $ressymb = $resource->wrap_symb(); 2924: push @{$resourcesref}, $ressymb; 2925: } 2926: } 2927: return; 2928: } 2929: 2930: sub sort_filter_names { 2931: my ($sort_types,$role_types,$status_types) = @_; 2932: %{$sort_types} = ( 2933: ascdate => 'Date order - oldest first', 2934: descdate => 'Date order - newest first', 2935: thread => 'Threaded', 2936: subject => 'By subject', 2937: username => 'By domain and username', 2938: lastfirst => 'By last name, first name' 2939: ); 2940: %{$role_types} = ( 2941: all => 'All roles', 2942: st => 'Students', 2943: cc => 'Course Coordinators', 2944: in => 'Instructors', 2945: ta => 'TAs', 2946: ep => 'Exam proctors', 2947: ad => 'Administrators', 2948: cr => 'Custom roles' 2949: ); 2950: %{$status_types} = ( 2951: all => 'Roles of any status', 2952: Active => 'Only active roles', 2953: Expired => 'Only inactive roles' 2954: ); 2955: } 2956: 2957: sub handler { 2958: my $r = shift; 2959: if ($r->header_only) { 2960: &Apache::loncommon::content_type($r,'text/html'); 2961: $r->send_http_header; 2962: return OK; 2963: } 2964: 2965: # --------------------------- Get query string for limited number of parameters 2966: 2967: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 2968: ['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','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export']); 2969: 2970: if ($env{'form.discsymb'}) { 2971: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 2972: my $readkey = $symb.'_read'; 2973: my $chgcount = 0; 2974: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 2975: foreach my $key (keys %env) { 2976: if ($key =~ m/^form\.postunread_(\d+)/) { 2977: if ($readinghash{$readkey} =~ /\.$1\./) { 2978: $readinghash{$readkey} =~ s/\.$1\.//; 2979: $chgcount ++; 2980: } 2981: } elsif ($key =~ m/^form\.postread_(\d+)/) { 2982: unless ($readinghash{$readkey} =~ /\.$1\./) { 2983: $readinghash{$readkey} .= '.'.$1.'.'; 2984: $chgcount ++; 2985: } 2986: } 2987: } 2988: if ($chgcount > 0) { 2989: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 2990: \%readinghash,$env{'user.domain'},$env{'user.name'}); 2991: } 2992: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 2993: '0','0','',$env{'form.previous'},'','','',); 2994: return OK; 2995: } 2996: if ($env{'form.allversions'}) { 2997: &Apache::loncommon::content_type($r,'text/html'); 2998: $r->send_http_header; 2999: my $html=&Apache::lonxml::xmlbegin(); 3000: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions'); 3001: $r->print(<<END); 3002: $html 3003: <head> 3004: <title>Post Versions</title> 3005: <meta http-equiv="pragma" content="no-cache" /> 3006: </head> 3007: $bodytag 3008: END 3009: my $crs='/'.$env{'request.course.id'}; 3010: if ($env{'request.course.sec'}) { 3011: $crs.='_'.$env{'request.course.sec'}; 3012: } 3013: $crs=~s|_|/|g; 3014: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3015: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3016: ($symb)=&get_feedurl_and_clean_symb($symb); 3017: if ($idx > 0) { 3018: my %messages = (); 3019: my %subjects = (); 3020: my %attachmsgs = (); 3021: my %allattachments = (); 3022: my %imsfiles = (); 3023: my ($screenname,$plainname); 3024: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3025: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3026: $env{'course.'.$env{'request.course.id'}.'.num'}); 3027: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3028: } 3029: return OK; 3030: } 3031: if ($env{'form.posterlist'}) { 3032: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3033: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3034: $env{'form.sortposts'}); 3035: return OK; 3036: } 3037: if ($env{'form.userpick'}) { 3038: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3039: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3040: my $numpicks = @posters; 3041: my %discinfo; 3042: $discinfo{$symb.'_userpick'} = join('&',@posters); 3043: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3044: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3045: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0', 3046: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3047: $numpicks); 3048: return OK; 3049: } 3050: if ($env{'form.applysort'}) { 3051: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3052: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0', 3053: '',$env{'form.previous'},$env{'form.sortposts'}, 3054: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3055: $env{'form.sectionpick'}); 3056: return OK; 3057: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3058: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3059: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3060: return OK; 3061: } elsif ($env{'form.navtime'}) { 3062: my %discinfo = (); 3063: my @resources = (); 3064: if (defined($env{'form.navmaps'})) { 3065: if ($env{'form.navmaps'} =~ /:/) { 3066: @resources = split/:/,$env{'form.navmaps'}; 3067: } else { 3068: @resources = ("$env{'form.navmaps'}"); 3069: } 3070: } else { 3071: &has_discussion(\@resources); 3072: } 3073: my $numitems = @resources; 3074: my $feedurl = '/adm/navmaps'; 3075: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3076: my %lt = &Apache::lonlocal::texthash( 3077: 'mnpa' => 'Marked "New" posts as read in a total of', 3078: 'robb' => 'resources/bulletin boards.', 3079: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.' 3080: ); 3081: foreach (@resources) { 3082: my $ressymb=$_; 3083: &Apache::lonenc::check_decrypt(\$ressymb); 3084: my $lastkey = $ressymb.'_lastread'; 3085: $discinfo{$lastkey} = $env{'form.navtime'}; 3086: } 3087: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3088: if ($numitems > 0) { 3089: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3090: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3091: } else { 3092: $textline = "<b>$lt{'twnp'}</b>"; 3093: } 3094: &Apache::loncommon::content_type($r,'text/html'); 3095: $r->send_http_header; 3096: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3097: my $html=&Apache::lonxml::xmlbegin(); 3098: $r->print (<<ENDREDIR); 3099: $html 3100: <head> 3101: <title>New posts marked as read</title> 3102: <meta http-equiv="pragma" content="no-cache" /> 3103: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 3104: </head> 3105: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 3106: <img align="right" src="$logo" /> 3107: $textline 3108: <form name="reldt" action="$feedurl" target="loncapaclient"> 3109: </form> 3110: <br /><a href="$feedurl">Continue</a> 3111: </body> 3112: </html> 3113: ENDREDIR 3114: return OK; 3115: } elsif ($env{'form.modifydisp'}) { 3116: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3117: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3118: split(/_/,$env{'form.changes'}); 3119: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3120: $dispchgB,$markchg,$toggchg,$feedurl); 3121: return OK; 3122: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3123: $env{'form.allposts'} || $env{'form.onlyunread'} || 3124: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3125: $env{'form.toggon'} || $env{'form.markread'}) { 3126: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3127: my %discinfo; 3128: # ------------------------ Modify setting for read/unread toggle for each post 3129: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3130: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3131: # --------- Modify setting for identification of 'NEW' posts in this discussion 3132: if ($env{'form.markondisp'}) { 3133: $discinfo{$symb.'_lastread'} = time; 3134: $discinfo{$symb.'_markondisp'} = 1; 3135: } 3136: if ($env{'form.markonread'}) { 3137: if ( $env{'form.previous'} > 0 ) { 3138: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3139: } 3140: $discinfo{$symb.'_markondisp'} = 0; 3141: } 3142: # --------------------------------- Modify display setting for this discussion 3143: if ($env{'form.allposts'}) { 3144: $discinfo{$symb.'_showonlyunread'} = 0; 3145: $discinfo{$symb.'_showonlyunmark'} = 0; 3146: } 3147: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3148: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3149: # ----------------------------------------------------- Mark new posts not NEW 3150: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3151: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3152: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3153: my $previous=$env{'form.previous'}; 3154: if ($env{'form.markondisp'}) { $previous=undef; } 3155: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3156: '0','0','',$previous); 3157: return OK; 3158: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3159: # ----------------------------------------------------------------- Hide/unhide 3160: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3161: my ($symb,$idx)=split(/\:\:\:/,$entry); 3162: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3163: 3164: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3165: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3166: $env{'course.'.$env{'request.course.id'}.'.num'}); 3167: 3168: my $currenthidden=$contrib{'hidden'}; 3169: my $currentstudenthidden=$contrib{'studenthidden'}; 3170: 3171: my $crs='/'.$env{'request.course.id'}; 3172: if ($env{'request.course.sec'}) { 3173: $crs.='_'.$env{'request.course.sec'}; 3174: } 3175: $crs=~s/\_/\//g; 3176: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3177: 3178: if ($env{'form.hide'}) { 3179: $currenthidden.='.'.$idx.'.'; 3180: unless ($seeid) { 3181: $currentstudenthidden.='.'.$idx.'.'; 3182: } 3183: } else { 3184: $currenthidden=~s/\.$idx\.//g; 3185: } 3186: my %newhash=('hidden' => $currenthidden); 3187: if ( ($env{'form.hide'}) && (!$seeid) ) { 3188: $newhash{'studenthidden'} = $currentstudenthidden; 3189: } 3190: 3191: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3192: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3193: $env{'course.'.$env{'request.course.id'}.'.num'}); 3194: 3195: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3196: '0','0','',$env{'form.previous'}); 3197: return OK; 3198: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3199: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3200: if ($env{'form.cmd'} eq 'threadedon') { 3201: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3202: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on'); 3203: } else { 3204: &Apache::lonnet::del('environment',['threadeddiscussion']); 3205: &Apache::lonnet::delenv('environment\.threadeddiscussion'); 3206: } 3207: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3208: '0','0','',$env{'form.previous'}); 3209: return OK; 3210: } elsif ($env{'form.deldisc'}) { 3211: # --------------------------------------------------------------- Hide for good 3212: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3213: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3214: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3215: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3216: $env{'course.'.$env{'request.course.id'}.'.num'}); 3217: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3218: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3219: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3220: $env{'course.'.$env{'request.course.id'}.'.num'}); 3221: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3222: '0','0','',$env{'form.previous'}); 3223: return OK; 3224: } elsif ($env{'form.preview'}) { 3225: # -------------------------------------------------------- User wants a preview 3226: &show_preview($r); 3227: return OK; 3228: } elsif ($env{'form.attach'}) { 3229: # -------------------------------------------------------- Work on attachments 3230: &Apache::loncommon::content_type($r,'text/html'); 3231: $r->send_http_header; 3232: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']); 3233: my (@currnewattach,@currdelold,@keepold); 3234: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3235: if (exists($env{'form.addnewattach.filename'})) { 3236: unless (length($env{'form.addnewattach'})>131072) { 3237: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3238: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3239: push @currnewattach, $newattachment; 3240: } 3241: } 3242: my $attachmenturls; 3243: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3244: my $idx = $env{'form.idx'}; 3245: if ($idx) { 3246: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3247: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3248: $env{'course.'.$env{'request.course.id'}.'.num'}); 3249: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3250: } 3251: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3252: $attachmenturls); 3253: return OK; 3254: } elsif ($env{'form.export'}) { 3255: &Apache::loncommon::content_type($r,'text/html'); 3256: $r->send_http_header; 3257: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3258: my $mode='board'; 3259: my $status='OPEN'; 3260: my $previous=$env{'form.previous'}; 3261: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3262: $mode='problem'; 3263: $status=$Apache::inputtags::status[-1]; 3264: } 3265: my $discussion = &list_discussion($mode,$status,$symb); 3266: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion'); 3267: $r->print($bodytag.$discussion); 3268: return OK; 3269: } else { 3270: # ------------------------------------------------------------- Normal feedback 3271: my $feedurl=$env{'form.postdata'}; 3272: $feedurl=~s/^http\:\/\///; 3273: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3274: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3275: $feedurl=~s/\?.+$//; 3276: 3277: my $symb; 3278: if ($env{'form.replydisc'}) { 3279: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3280: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3281: $feedurl=&Apache::lonnet::clutter($url); 3282: } elsif ($env{'form.editdisc'}) { 3283: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3284: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3285: $feedurl=&Apache::lonnet::clutter($url); 3286: } elsif ($env{'form.origpage'}) { 3287: $symb=""; 3288: } else { 3289: $symb=&Apache::lonnet::symbread($feedurl); 3290: } 3291: unless ($symb) { 3292: $symb=$env{'form.symb'}; 3293: if ($symb) { 3294: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3295: $feedurl=&Apache::lonnet::clutter($url); 3296: } 3297: } 3298: &Apache::lonenc::check_decrypt(\$symb); 3299: my $goahead=1; 3300: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3301: unless ($symb) { $goahead=0; } 3302: } 3303: # backward compatibility (bulletin boards used to be 'wrapped') 3304: &dewrapper(\$feedurl); 3305: if (!$goahead) { 3306: # Ambiguous Problem Resource 3307: $r->internal_redirect('/adm/ambiguous'); 3308: return OK; 3309: } 3310: # Go ahead with feedback, no ambiguous reference 3311: unless ( 3312: ( 3313: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3314: ) 3315: || 3316: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3317: || 3318: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3319: ) { 3320: &Apache::loncommon::content_type($r,'text/html'); 3321: $r->send_http_header; 3322: # Unable to give feedback 3323: &no_redirect_back($r,$feedurl); 3324: } 3325: # --------------------------------------------------- Print login screen header 3326: unless ($env{'form.sendit'}) { 3327: &Apache::loncommon::content_type($r,'text/html'); 3328: $r->send_http_header; 3329: my $options=&screen_header($feedurl,$symb); 3330: if ($options) { 3331: &mail_screen($r,$feedurl,$options); 3332: } else { 3333: &fail_redirect($r,$feedurl); 3334: } 3335: return OK; 3336: } 3337: 3338: # Get previous user input 3339: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3340: $symb,$env{'user.name'},$env{'user.domain'}, 3341: $env{'request.course.id'}); 3342: 3343: # Get output from resource 3344: my $usersaw=&resource_output($feedurl); 3345: 3346: # Get resource answer (need to allow student to view grades for this to work) 3347: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 3348: my $useranswer=&Apache::loncommon::get_student_answers( 3349: $symb,$env{'user.name'},$env{'user.domain'}, 3350: $env{'request.course.id'}); 3351: &Apache::lonnet::delenv('allowed.vgr'); 3352: # Get attachments, if any, and not too large 3353: my $attachmenturl=''; 3354: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3355: ($env{'form.replydisc'})) { 3356: my ($symb,$idx); 3357: if ($env{'form.replydisc'}) { 3358: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3359: } elsif ($env{'form.editdisc'}) { 3360: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3361: } elsif ($env{'form.origpage'}) { 3362: $symb = $env{'form.symb'}; 3363: } 3364: &Apache::lonenc::check_decrypt(\$symb); 3365: my @currnewattach = (); 3366: my @deloldattach = (); 3367: my @keepold = (); 3368: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3369: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3370: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3371: } elsif ($env{'form.attachment.filename'}) { 3372: unless (length($env{'form.attachment'})>131072) { 3373: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback'); 3374: } 3375: } 3376: # Filter HTML out of message (could be nasty) 3377: my $message=&clear_out_html($env{'form.comment'}); 3378: 3379: # Assemble email 3380: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts, 3381: $usersaw,$useranswer); 3382: 3383: # Who gets this? 3384: my ($typestyle,%to) = &decide_receiver($feedurl); 3385: 3386: # Actually send mail 3387: my ($status,$numsent)=&send_msg($feedurl,$email,$citations, 3388: $attachmenturl,%to); 3389: 3390: # Discussion? Store that. 3391: 3392: my $numpost=0; 3393: if ($env{'form.discuss'} || $env{'form.anondiscuss'}) { 3394: my $subject = &clear_out_html($env{'form.subject'}); 3395: my $anonmode=(defined($env{'form.anondiscuss'})); 3396: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3397: $subject); 3398: $numpost++; 3399: } 3400: 3401: # Receipt screen and redirect back to where came from 3402: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$env{'form.previous'}); 3403: } 3404: return OK; 3405: } 3406: 3407: sub wrap_symb { 3408: my ($ressymb)=@_; 3409: if ($ressymb =~ /bulletin___\d+___/) { 3410: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3411: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3412: } 3413: } 3414: return $ressymb; 3415: } 3416: sub dewrapper { 3417: my ($feedurl)=@_; 3418: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3419: $$feedurl=~s|^/adm/wrapper||; 3420: } 3421: } 3422: 3423: sub get_feedurl { 3424: my ($symb)=@_; 3425: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3426: my $feedurl = &Apache::lonnet::clutter($url); 3427: &dewrapper(\$feedurl); 3428: return $feedurl; 3429: } 3430: 3431: sub get_feedurl_and_clean_symb { 3432: my ($symb)=@_; 3433: &Apache::lonenc::check_decrypt(\$symb); 3434: # backward compatibility (bulletin boards used to be 'wrapped') 3435: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3436: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3437: } 3438: my $feedurl = &get_feedurl($symb); 3439: return ($symb,$feedurl); 3440: } 3441: 1; 3442: __END__