loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.172: download - view: text, annotated - select for diffs
Wed Nov 9 11:41:02 2005 UTC (18 years, 6 months ago) by www
Branches: MAIN
CVS tags: HEAD

Make nicknames work again in discussions

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.172 2005/11/09 11:41:02 www Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use HTML::LCParser(); 43: use Apache::lonspeller(); 44: use Cwd; 45: 46: sub discussion_open { 47: my ($status,$symb)=@_; 48: if ($env{'request.role.adv'}) { return 1; } 49: if (defined($status) && 50: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 51: || $status eq 'OPEN')) { 52: return 0; 53: } 54: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 55: if (defined($close) && $close ne '' && $close < time) { 56: return 0; 57: } 58: return 1; 59: } 60: 61: sub discussion_visible { 62: my ($status)=@_; 63: if (not &discussion_open($status)) { 64: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 65: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 66: if (!$env{'request.role.adv'}) { return 0; } 67: } 68: } 69: return 1; 70: } 71: 72: sub list_discussion { 73: my ($mode,$status,$ressymb,$imsextras)=@_; 74: my $outputtarget=$env{'form.grade_target'}; 75: if (defined($env{'form.export'})) { 76: if($env{'form.export'}) { 77: $outputtarget = 'export'; 78: } 79: } 80: if (defined($imsextras)) { 81: if ($$imsextras{'caller'} eq 'imsexport') { 82: $outputtarget = 'export'; 83: } 84: } 85: if (not &discussion_visible($status)) { return ''; } 86: my @bgcols = ("#cccccc","#eeeeee"); 87: my $discussiononly=0; 88: if ($mode eq 'board') { $discussiononly=1; } 89: unless ($env{'request.course.id'}) { return ''; } 90: my $crs='/'.$env{'request.course.id'}; 91: my $cid=$env{'request.course.id'}; 92: if ($env{'request.course.sec'}) { 93: $crs.='_'.$env{'request.course.sec'}; 94: } 95: $crs=~s/\_/\//g; 96: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 97: unless ($ressymb) { return ''; } 98: $ressymb=&wrap_symb($ressymb); 99: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 100: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 101: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 102: 103: my %usernamesort = (); 104: my %namesort =(); 105: my %subjectsort = (); 106: 107: # Get discussion display settings for this discussion 108: my $lastkey = $ressymb.'_lastread'; 109: my $showkey = $ressymb.'_showonlyunread'; 110: my $markkey = $ressymb.'_showonlyunmark', 111: my $visitkey = $ressymb.'_visit'; 112: my $ondispkey = $ressymb.'_markondisp'; 113: my $userpickkey = $ressymb.'_userpick'; 114: my $toggkey = $ressymb.'_readtoggle'; 115: my $readkey = $ressymb.'_read'; 116: $ressymb=$encsymb; 117: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 118: my %discinfo = (); 119: my $showonlyunread = 0; 120: my $showunmark = 0; 121: my $markondisp = 0; 122: my $prevread = 0; 123: my $previous = 0; 124: my $visit = 0; 125: my $newpostsflag = 0; 126: my @posters = split/\&/,$dischash{$userpickkey}; 127: 128: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 129: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']); 130: my $sortposts = $env{'form.sortposts'}; 131: my $statusfilter = $env{'form.statusfilter'}; 132: my @sectionpick = (); 133: if ($env{'form.sectionpick'} =~ /,/) { 134: @sectionpick = split/,/,$env{'form.sectionpick'}; 135: } else { 136: $sectionpick[0] = $env{'form.sectionpick'}; 137: } 138: my @rolefilter = (); 139: if ($env{'form.rolefilter'} =~ /,/) { 140: @rolefilter = split/,/,$env{'form.rolefilter'}; 141: } else { 142: $rolefilter[0] = $env{'form.rolefilter'}; 143: } 144: my $totposters = $env{'form.totposters'}; 145: $previous = $env{'form.previous'}; 146: if ($previous > 0) { 147: $prevread = $previous; 148: } elsif (defined($dischash{$lastkey})) { 149: unless ($dischash{$lastkey} eq '') { 150: $prevread = $dischash{$lastkey}; 151: } 152: } 153: 154: # Get information about students and non-students in course for filtering display of posts 155: my %roleshash = (); 156: my %roleinfo = (); 157: if ($env{'form.rolefilter'}) { 158: %roleshash = &Apache::lonnet::dump('nohist_userroles', 159: $env{'course.'.$cid.'.domain'}, 160: $env{'course.'.$cid.'.num'}); 161: foreach (keys %roleshash) { 162: my ($role,$uname,$udom,$sec) = split/:/,$_; 163: if ($role =~ /^cr/) { 164: $role = 'cr'; 165: } 166: my ($end,$start) = split/:/,$roleshash{$_}; 167: my $now = time; 168: my $status = 'Active'; 169: if (($now < $start) || ($end > 0 && $now > $end)) { 170: $status = 'Expired'; 171: } 172: if ($uname && $udom) { 173: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status; 174: } 175: } 176: my ($classlist) = &Apache::loncoursedata::get_classlist( 177: $env{'course.'.$cid.'.domain'}, 178: $env{'course.'.$cid.'.num'}); 179: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 180: my $status_index = &Apache::loncoursedata::CL_STATUS(); 181: while (my ($student,$data) = each %$classlist) { 182: my ($section,$status) = ($data->[$sec_index], 183: $data->[$status_index]); 184: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status; 185: } 186: } 187: 188: # Get discussion display default settings for user 189: if ($env{'environment.discdisplay'} eq 'unread') { 190: $showonlyunread = 1; 191: } 192: if ($env{'environment.discmarkread'} eq 'ondisp') { 193: $markondisp = 1; 194: } 195: 196: # Override user's default if user specified display setting for this discussion 197: if (defined($dischash{$ondispkey})) { 198: unless ($dischash{$ondispkey} eq '') { 199: $markondisp = $dischash{$ondispkey}; 200: } 201: } 202: if ($markondisp) { 203: $discinfo{$lastkey} = time; 204: } 205: 206: if (defined($dischash{$showkey})) { 207: unless ($dischash{$showkey} eq '') { 208: $showonlyunread = $dischash{$showkey}; 209: } 210: } 211: 212: if (defined($dischash{$markkey})) { 213: unless ($dischash{$markkey} eq '') { 214: $showunmark = $dischash{$markkey}; 215: } 216: } 217: 218: if (defined($dischash{$visitkey})) { 219: unless ($dischash{$visitkey} eq '') { 220: $visit = $dischash{$visitkey}; 221: } 222: } 223: $visit ++; 224: 225: my $seeid=&Apache::lonnet::allowed('rin',$crs); 226: my @discussionitems=(); 227: my %shown = (); 228: my @posteridentity=(); 229: 230: my $current=0; 231: my $visible=0; 232: my @depth=(); 233: my @replies = (); 234: my %alldiscussion=(); 235: my %imsitems=(); 236: my %imsfiles=(); 237: my %notshown = (); 238: my %newitem = (); 239: my $maxdepth=0; 240: 241: my $target=''; 242: unless ($env{'browser.interface'} eq 'textual' || 243: $env{'environment.remote'} eq 'off' ) { 244: $target='target="LONcom"'; 245: } 246: 247: my $now = time; 248: $discinfo{$visitkey} = $visit; 249: 250: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 251: &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); 252: 253: my $discussion=''; 254: my $manifestfile; 255: my $manifestok=0; 256: my $tempexport; 257: my $imsresources; 258: my $copyresult; 259: 260: my $function = &Apache::loncommon::get_users_function(); 261: my $color = &Apache::loncommon::designparm($function.'.tabbg', 262: $env{'user.domain'}); 263: my %lt = &Apache::lonlocal::texthash( 264: 'cuse' => 'Current discussion settings', 265: 'allposts' => 'All posts', 266: 'unread' => 'New posts only', 267: 'unmark' => 'Unread only', 268: 'ondisp' => 'Once displayed', 269: 'onmark' => 'Once marked not NEW', 270: 'toggoff' => 'Off', 271: 'toggon' => 'On', 272: 'disa' => 'Posts to be displayed', 273: 'npce' => 'Posts cease to be marked "NEW"', 274: 'epcb' => 'Each post can be toggled read/unread', 275: 'chgt' => 'Change', 276: 'disp' => 'Display', 277: 'nolo' => 'Not new', 278: 'togg' => 'Toggle read/unread', 279: ); 280: 281: my $currdisp = $lt{'allposts'}; 282: my $currmark = $lt{'onmark'}; 283: my $currtogg = $lt{'toggoff'}; 284: my $dispchange = $lt{'unread'}; 285: my $markchange = $lt{'ondisp'}; 286: my $toggchange = $lt{'toggon'}; 287: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 288: my $displinkA = 'onlyunread'; 289: my $displinkB = 'onlyunmark'; 290: my $marklink = 'markondisp'; 291: my $togglink = 'toggon'; 292: 293: if ($markondisp) { 294: $currmark = $lt{'ondisp'}; 295: $markchange = $lt{'onmark'}; 296: $marklink = 'markonread'; 297: } 298: 299: if ($showonlyunread) { 300: $currdisp = $lt{'unread'}; 301: $dispchange = $lt{'allposts'}; 302: $displinkA = 'allposts'; 303: } 304: 305: if ($showunmark) { 306: $currdisp = $lt{'unmark'}; 307: $dispchange = $lt{'unmark'}; 308: $displinkA='allposts'; 309: $displinkB='onlyunread'; 310: $showonlyunread = 0; 311: } 312: 313: if ($dischash{$toggkey}) { 314: $currtogg = $lt{'toggon'}; 315: $toggchange = $lt{'toggoff'}; 316: $togglink = 'toggoff'; 317: } 318: 319: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 320: 321: if ($newpostsflag) { 322: $chglink .= '&previous='.$prevread; 323: } 324: 325: if ($visible) { 326: # Print the discusssion 327: if ($outputtarget eq 'tex') { 328: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 329: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 330: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 331: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 332: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 333: } elsif ($outputtarget eq 'export') { 334: # Create temporary directory if this is an export 335: my $now = time; 336: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 337: $tempexport = $$imsextras{'tempexport'}; 338: if (!-e $tempexport) { 339: mkdir($tempexport,0700); 340: } 341: $tempexport .= '/'.$$imsextras{'count'}; 342: if (!-e $tempexport) { 343: mkdir($tempexport,0700); 344: } 345: } else { 346: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 347: if (!-e $tempexport) { 348: mkdir($tempexport,0700); 349: } 350: $tempexport .= '/'.$now; 351: if (!-e $tempexport) { 352: mkdir($tempexport,0700); 353: } 354: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 355: } 356: if (!-e $tempexport) { 357: mkdir($tempexport,0700); 358: } 359: # open manifest file 360: my $manifest = '/imsmanifest.xml'; 361: my $manifestfilename = $tempexport.$manifest; 362: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 363: $manifestok=1; 364: print $manifestfile qq| 365: <?xml version="1.0" encoding="UTF-8"?> 366: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 367: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 368: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 369: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 370: <organizations default="$ressymb"> 371: <organization identifier="$ressymb"> 372: <title>Discussion for $ressymb</title>\n|; 373: } else { 374: $discussion .= 'An error occurred opening the manifest file.<br />'; 375: } 376: } else { 377: my $colspan=$maxdepth+1; 378: $discussion.= qq| 379: <script> 380: function studentdelete (symb,idx,newflag,previous) { 381: var symbparm = symb+':::'+idx 382: var prevparm = "" 383: if (newflag == 1) { 384: prevparm = "&previous="+previous 385: } 386: 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")) { 387: document.location.href = "/adm/feedback?hide="+symbparm+prevparm 388: } 389: } 390: </script> 391: |; 392: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">'; 393: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'. 394: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>'; 395: if ($visible>2) { 396: $discussion.='<td align="left">'. 397: '<a href="/adm/feedback?cmd=threadedon&symb='.$ressymb; 398: if ($newpostsflag) { 399: $discussion .= '&previous='.$prevread; 400: } 401: $discussion .='">'.&mt('Threaded View').'</a>  '. 402: '<a href="/adm/feedback?cmd=threadedoff&symb='.$ressymb; 403: if ($newpostsflag) { 404: $discussion .= '&previous='.$prevread; 405: } 406: $discussion .='">'.&mt('Chronological View').'</a>   407: <a href= "/adm/feedback?cmd=sortfilter&symb='.$ressymb; 408: if ($newpostsflag) { 409: $discussion .= '&previous='.$prevread; 410: } 411: $discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp'; 412: } else { 413: $discussion .= '<td align="left">'; 414: } 415: $discussion .='<a href= "/adm/feedback?export='.$ressymb; 416: if ($newpostsflag) { 417: $discussion .= '&previous='.$prevread; 418: } 419: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 420: if ($newpostsflag) { 421: if (!$markondisp) { 422: $discussion .='<td align="right"><a href="/adm/feedback?markread=1&symb='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a>  '; 423: } else { 424: $discussion .= '<td> </td>'; 425: } 426: } else { 427: $discussion .= '<td> </td>'; 428: } 429: $discussion .= '</tr></table></td></tr>'; 430: 431: my $numhidden = keys %notshown; 432: if ($numhidden > 0) { 433: my $colspan = $maxdepth+1; 434: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 435: '<a href="/adm/feedback?allposts=1&symb='.$ressymb; 436: if ($newpostsflag) { 437: $discussion .= '&previous='.$prevread; 438: } 439: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 440: $numhidden.' '; 441: if ($showunmark) { 442: $discussion .= &mt('posts previously marked read'); 443: } else { 444: $discussion .= &mt('previously viewed posts'); 445: } 446: $discussion .= '<br/></td></tr>'; 447: } 448: } 449: 450: # Choose sort mechanism 451: my @showposts = (); 452: if ($sortposts eq 'descdate') { 453: @showposts = (sort { $b <=> $a } keys %alldiscussion); 454: } elsif ($sortposts eq 'thread') { 455: @showposts = (sort { $a <=> $b } keys %alldiscussion); 456: } elsif ($sortposts eq 'subject') { 457: foreach (sort keys %subjectsort) { 458: push @showposts, @{$subjectsort{$_}}; 459: } 460: } elsif ($sortposts eq 'username') { 461: foreach my $domain (sort keys %usernamesort) { 462: foreach (sort keys %{$usernamesort{$domain}}) { 463: push @showposts, @{$usernamesort{$domain}{$_}}; 464: } 465: } 466: } elsif ($sortposts eq 'lastfirst') { 467: foreach my $last (sort keys %namesort) { 468: foreach (sort keys %{$namesort{$last}}) { 469: push @showposts, @{$namesort{$last}{$_}}; 470: } 471: } 472: } else { 473: @showposts = (sort { $a <=> $b } keys %alldiscussion); 474: } 475: my $currdepth = 0; 476: my $firstidx = $alldiscussion{$showposts[0]}; 477: foreach (@showposts) { 478: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 479: $alldiscussion{$_} = $_; 480: } 481: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) { 482: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 483: $discussion.="\n<tr>"; 484: } 485: my $thisdepth=$depth[$alldiscussion{$_}]; 486: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 487: for (1..$thisdepth) { 488: $discussion.='<td>   </td>'; 489: } 490: } 491: my $colspan=$maxdepth-$thisdepth+1; 492: if ($outputtarget eq 'tex') { 493: #cleanup block 494: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 495: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 496: my $threadinsert=''; 497: if ($thisdepth > 0) { 498: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 499: } 500: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 501: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 502: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 503: 504: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}]; 505: $discussion.=$discussionitems[$alldiscussion{$_}]; 506: } elsif ($outputtarget eq 'export') { 507: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html'; 508: if ($manifestok) { 509: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) { 510: print $manifestfile ' </item>'."\n"; 511: } 512: $currdepth = $depth[$alldiscussion{$_}]; 513: print $manifestfile "\n". 514: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'. 515: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'. 516: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>'; 517: $imsresources .= "\n". 518: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n". 519: '<file href="'.$postfilename.'">'."\n". 520: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n". 521: '</resource>'; 522: } 523: my $postingfile; 524: my $postingfilename = $tempexport.'/'.$postfilename; 525: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 526: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 527: $imsitems{$alldiscussion{$_}}{'title'}.' '. 528: $imsitems{$alldiscussion{$_}}{'sender'}. 529: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'. 530: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'. 531: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n"; 532: close($postingfile); 533: } else { 534: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />'; 535: } 536: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport); 537: } else { 538: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}]. 539: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}]. 540: '</td></tr>'; 541: } 542: } 543: } 544: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 545: my $colspan=$maxdepth+1; 546: $discussion .= <<END; 547: <tr bgcolor="#FFFFFF"> 548: <td colspan="$colspan" valign="top"> 549: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2"> 550: <tr> 551: <td align="left"> 552: <table border="0" cellpadding="0" cellspacing="4"> 553: <tr> 554: <td> 555: <font size="-1"><b>$lt{'cuse'}</b>:</td> 556: <td> </td> 557: <td><font size="-1"> 558: END 559: if ($newpostsflag) { 560: $discussion .= 561: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 562: if ($dischash{$toggkey}) { 563: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 564: } 565: } else { 566: if ($dischash{$toggkey}) { 567: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 568: } else { 569: $discussion .= 570: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 571: } 572: } 573: $discussion .= <<END; 574: </font></td> 575: <td> </td> 576: <td align="left"> 577: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 578: </td> 579: </tr> 580: </table> 581: </td> 582: END 583: if ($sortposts) { 584: my %sort_types = (); 585: my %role_types = (); 586: my %status_types = (); 587: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 588: 589: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 590: if (defined($env{'form.totposters'})) { 591: $discussion .= &mt('Posts by').':'; 592: if ($totposters > 0) { 593: foreach my $poster (@posters) { 594: $poster =~ s/:/\@/; 595: $discussion .= ' '.$poster.','; 596: } 597: $discussion =~ s/,$//; 598: } else { 599: $discussion .= &mt('None selected'); 600: } 601: } else { 602: my $filterchoice =''; 603: if (@sectionpick > 0) { 604: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 605: $filterchoice .= '    '; 606: } 607: if (@rolefilter > 0) { 608: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 609: foreach (@rolefilter) { 610: $filterchoice .= ' '.$role_types{$_}.','; 611: } 612: $filterchoice =~ s/,$//; 613: $filterchoice .= '<br /> &nbsp    &nbsp '; 614: } 615: if ($statusfilter) { 616: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 617: } 618: if ($filterchoice) { 619: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 620: } 621: $discussion .= '</font></td>'; 622: } 623: } 624: if ($dischash{$toggkey}) { 625: my $storebutton = &mt('Store read/unread changes'); 626: $discussion.='<td align="right">'. 627: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n". 628: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 629: ' onClick="this.form.submit();">'."\n". 630: '</td>'; 631: } 632: $discussion .= (<<END); 633: </tr> 634: </table> 635: </td> 636: </tr> 637: </table> 638: <br /><br /></form> 639: END 640: } 641: if ($outputtarget eq 'export') { 642: if ($manifestok) { 643: while ($currdepth > 0) { 644: print $manifestfile " </item>\n"; 645: $currdepth --; 646: } 647: print $manifestfile qq| 648: </organization> 649: </organizations> 650: <resources> 651: $imsresources 652: </resources> 653: </manifest> 654: |; 655: close($manifestfile); 656: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 657: $discussion = $copyresult; 658: } else { 659: 660: #Create zip file in prtspool 661: 662: my $imszipfile = '/prtspool/'. 663: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 664: time.'_'.rand(1000000000).'.zip'; 665: my $cwd = &getcwd(); 666: my $imszip = '/home/httpd/'.$imszipfile; 667: chdir $tempexport; 668: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 669: close(OUTPUT); 670: chdir $cwd; 671: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />'; 672: if ($copyresult) { 673: $discussion .= 'The following errors occurred during export - <br />'.$copyresult; 674: } 675: } 676: } else { 677: $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 />'; 678: } 679: return $discussion; 680: } 681: } 682: if ($discussiononly) { 683: my $now = time; 684: my $attachnum = 0; 685: my $newattachmsg = ''; 686: my @currnewattach = (); 687: my @currdelold = (); 688: my $comment = ''; 689: my $subject = ''; 690: if ($env{'form.origpage'}) { 691: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 692: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 693: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 694: my @keepold = (); 695: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 696: if (@currnewattach > 0) { 697: $attachnum += @currnewattach; 698: } 699: } 700: if (&discussion_open($status)) { 701: $discussion.=(<<ENDDISCUSS); 702: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> 703: <input type="submit" name="discuss" value="Post Discussion" /> 704: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> 705: <input type="hidden" name="symb" value="$ressymb" /> 706: <input type="hidden" name="sendit" value="true" /> 707: <input type="hidden" name="timestamp" value="$now" /> 708: <br /><a name="newpost"></a> 709: <font size="1">Note: in anonymous discussion, your name is visible only 710: to course faculty</font><br /> 711: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 712: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 713: ENDDISCUSS 714: if ($env{'form.origpage'}) { 715: $discussion.='<input type="hidden" name="origpage" value="'.$env{'form.origpage'}.'" />'."\n"; 716: foreach (@currnewattach) { 717: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 718: } 719: } 720: $discussion.="</form>\n"; 721: if ($outputtarget ne 'tex') { 722: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode); 723: if (@currnewattach > 0) { 724: $newattachmsg .= '<b>New attachments</b><br />'; 725: if (@currnewattach > 1) { 726: $newattachmsg .= '<ol>'; 727: foreach my $item (@currnewattach) { 728: $item =~ m#.*/([^/]+)$#; 729: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 730: } 731: $newattachmsg .= '</ol>'."\n"; 732: } else { 733: $currnewattach[0] =~ m#.*/([^/]+)$#; 734: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 735: } 736: } 737: $discussion.=$newattachmsg; 738: $discussion.=&generate_preview_button(); 739: } 740: } 741: } else { 742: if (&discussion_open($status) && 743: &Apache::lonnet::allowed('pch', 744: $env{'request.course.id'}. 745: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 746: if ($outputtarget ne 'tex') { 747: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='. 748: $ressymb.':::" '.$target.'>'. 749: '<img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'. 750: &mt('Post Discussion').'</a></td></tr></table>'; 751: } 752: } 753: } 754: return $discussion; 755: } 756: 757: sub build_posting_display { 758: 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) = @_; 759: my @original=(); 760: my @index=(); 761: my $symb=&Apache::lonenc::check_decrypt($ressymb); 762: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 763: $env{'course.'.$env{'request.course.id'}.'.domain'}, 764: $env{'course.'.$env{'request.course.id'}.'.num'}); 765: 766: if ($contrib{'version'}) { 767: my $oldest = $contrib{'1:timestamp'}; 768: if ($prevread eq '0') { 769: $prevread = $oldest-1; 770: } 771: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 772: if ($sortposts) { 773: ($skiptest,$roleregexp,$secregexp,$statusregexp) = &filter_regexp($rolefilter,$sectionpick,$statusfilter); 774: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 775: } 776: for (my $id=1;$id<=$contrib{'version'};$id++) { 777: my $idx=$id; 778: my $posttime = $contrib{$idx.':timestamp'}; 779: if ($prevread <= $posttime) { 780: $$newpostsflag = 1; 781: } 782: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 783: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 784: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 785: my $origindex='0.'; 786: my $numoldver=0; 787: if ($contrib{$idx.':replyto'}) { 788: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 789: # this is a follow-up message 790: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 791: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 792: $origindex=$index[$contrib{$idx.':replyto'}]; 793: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 794: } else { 795: $original[$idx]=0; 796: $$depth[$idx]=0; 797: } 798: } else { 799: # this is an original message 800: $original[$idx]=0; 801: $$depth[$idx]=0; 802: } 803: if ($$replies[$$depth[$idx]]) { 804: $$replies[$$depth[$idx]]++; 805: } else { 806: $$replies[$$depth[$idx]]=1; 807: } 808: unless ((($hidden) && (!$seeid)) || ($deleted)) { 809: $$visible++; 810: if ($contrib{$idx.':history'}) { 811: if ($contrib{$idx.':history'} =~ /:/) { 812: my @oldversions = split/:/,$contrib{$idx.':history'}; 813: $numoldver = @oldversions; 814: } else { 815: $numoldver = 1; 816: } 817: } 818: $$current = $numoldver; 819: my %messages = (); 820: my %subjects = (); 821: my %attachtxt = (); 822: my %allattachments = (); 823: my ($screenname,$plainname); 824: my $sender = &mt('Anonymous'); 825: my ($message,$subject,$vgrlink,$ctlink); 826: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 827: 828: 829: # Set up for sorting by subject 830: unless ($outputtarget eq 'export') { 831: $message=$messages{$numoldver}; 832: $message.=$attachtxt{$numoldver}; 833: $subject=$subjects{$numoldver}; 834: if ($message) { 835: if ($hidden) { 836: $message='<font color="#888888">'.$message.'</font>'; 837: if ($studenthidden) { 838: $message .='<br /><br />Deleted by poster (student).'; 839: } 840: } 841: 842: if ($subject eq '') { 843: if (defined($$subjectsort{'__No subject'})) { 844: push @{$$subjectsort{'__No subject'}}, $idx; 845: } else { 846: @{$$subjectsort{'__No subject'}} = ("$idx"); 847: } 848: } else { 849: if (defined($$subjectsort{$subject})) { 850: push @{$$subjectsort{$subject}}, $idx; 851: } else { 852: @{$$subjectsort{$subject}} = ("$idx"); 853: } 854: } 855: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 856: $sender=&Apache::loncommon::aboutmewrapper( 857: $plainname, 858: $contrib{$idx.':sendername'}, 859: $contrib{$idx.':senderdomain'}).' ('. 860: $contrib{$idx.':sendername'}.' at '. 861: $contrib{$idx.':senderdomain'}.')'; 862: if ($contrib{$idx.':anonymous'}) { 863: $sender.=' <font color="red"><b>['.&mt('anonymous').']</b></font> '. 864: $screenname; 865: } 866: 867: # Set up for sorting by domain, then username 868: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 869: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 870: } 871: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 872: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx; 873: } else { 874: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 875: } 876: # Set up for sorting by last name, then first name 877: my %names = &Apache::lonnet::get('environment', 878: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 879: ,$contrib{$idx.':sendername'}); 880: my $lastname = $names{'lastname'}; 881: my $firstname = $names{'firstname'}; 882: if ($lastname eq '') { 883: $lastname = '_'; 884: } 885: if ($firstname eq '') { 886: $firstname = '_'; 887: } 888: unless (defined($$namesort{$lastname})) { 889: %{$$namesort{$lastname}} = (); 890: } 891: if (defined($$namesort{$lastname}{$firstname})) { 892: push @{$$namesort{$lastname}{$firstname}}, $idx; 893: } else { 894: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 895: } 896: if ($env{'course.'.$env{'request.course.id'}.'.allow_discussion_post_editing'} =~ m/yes/i) { 897: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 898: $sender.=' <a href="/adm/feedback?editdisc='. 899: $ressymb.':::'.$idx; 900: if ($newpostsflag) { 901: $sender .= '&previous='.$prevread; 902: } 903: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 904: unless ($seeid) { 905: $sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')"; 906: $sender .= '">'.&mt('Delete').'</a>'; 907: } 908: } 909: } 910: if ($seeid) { 911: if ($hidden) { 912: unless ($studenthidden) { 913: $sender.=' <a href="/adm/feedback?unhide='. 914: $ressymb.':::'.$idx; 915: if ($newpostsflag) { 916: $sender .= '&previous='.$prevread; 917: } 918: $sender .= '">'.&mt('Make Visible').'</a>'; 919: } 920: } else { 921: $sender.=' <a href="/adm/feedback?hide='. 922: $ressymb.':::'.$idx; 923: if ($newpostsflag) { 924: $sender .= '&previous='.$prevread; 925: } 926: $sender .= '">'.&mt('Hide').'</a>'; 927: } 928: $sender.=' <a href="/adm/feedback?deldisc='. 929: $ressymb.':::'.$idx; 930: if ($newpostsflag) { 931: $sender .= '&previous='.$prevread; 932: } 933: $sender .= '">'.&mt('Delete').'</a>'; 934: } 935: } else { 936: if ($screenname) { 937: $sender='<i>'.$screenname.'</i>'; 938: } 939: # Set up for sorting by domain, then username for anonymous 940: unless (defined($$usernamesort{'__anon'})) { 941: %{$$usernamesort{'__anon'}} = (); 942: } 943: if (defined($$usernamesort{'__anon'}{'__anon'})) { 944: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx; 945: } else { 946: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 947: } 948: # Set up for sorting by last name, then first name for anonymous 949: unless (defined($$namesort{'__anon'})) { 950: %{$$namesort{'__anon'}} = (); 951: } 952: if (defined($$namesort{'__anon'}{'__anon'})) { 953: push @{$$namesort{'__anon'}{'__anon'}}, $idx; 954: } else { 955: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 956: } 957: } 958: if (&discussion_open($status) && 959: &Apache::lonnet::allowed('pch', 960: $env{'request.course.id'}. 961: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 962: $sender.=' <a href="/adm/feedback?replydisc='. 963: $ressymb.':::'.$idx; 964: if ($newpostsflag) { 965: $sender .= '&previous='.$prevread; 966: } 967: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 968: } 969: if ($viewgrades) { 970: $vgrlink=&Apache::loncommon::submlink('Submissions', 971: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 972: } 973: if ($$dischash{$readkey}=~/\.$idx\./) { 974: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 975: } else { 976: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 977: } 978: } 979: #figure out at what position this needs to print 980: } 981: if ($outputtarget eq 'export' || $message) { 982: my $thisindex=$idx; 983: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 984: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 985: } 986: $$alldiscussion{$thisindex}=$idx; 987: $$shown{$idx} = 0; 988: $index[$idx]=$thisindex; 989: } 990: if ($outputtarget eq 'export') { 991: %{$$imsitems{$idx}} = (); 992: $$imsitems{$idx}{'isvisible'}='true'; 993: if ($hidden) { 994: $$imsitems{$idx}{'isvisible'}='false'; 995: } 996: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 997: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 998: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 999: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1000: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1001: $contrib{$idx.':sendername'}.' at '. 1002: $contrib{$idx.':senderdomain'}.')'; 1003: $$imsitems{$idx}{'isanonymous'}='false'; 1004: if ($contrib{$idx.':anonymous'}) { 1005: $$imsitems{$idx}{'isanonymous'}='true'; 1006: } 1007: $$imsitems{$idx}{'currversion'}=$numoldver; 1008: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1009: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1010: $$shown{$idx} = 1; 1011: } 1012: } else { 1013: if ($message) { 1014: my $spansize = 2; 1015: if ($showonlyunread && $prevread > $posttime) { 1016: $$notshown{$idx} = 1; 1017: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1018: $$notshown{$idx} = 1; 1019: } else { 1020: # apply filters 1021: my $uname = $contrib{$idx.':sendername'}; 1022: my $udom = $contrib{$idx.':senderdomain'}; 1023: my $poster = $uname.':'.$udom; 1024: if (defined($env{'form.totposters'})) { 1025: if ($totposters == 0) { 1026: $$shown{$idx} = 0; 1027: } elsif ($totposters > 0) { 1028: if (grep/^$poster$/,@{$posters}) { 1029: $$shown{$idx} = 1; 1030: } 1031: } 1032: } elsif ($sortposts) { 1033: if ($skiptest) { 1034: $$shown{$idx} = 1; 1035: } else { 1036: foreach my $role (@{$$roleinfo{$poster}}) { 1037: if ($role =~ /^cc:/) { 1038: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1039: if ($role =~ /$cc_regexp/) { 1040: $$shown{$idx} = 1; 1041: last; 1042: } 1043: } elsif ($role =~ /^$rolematch$/) { 1044: $$shown{$idx} = 1; 1045: last; 1046: } 1047: } 1048: } 1049: } else { 1050: $$shown{$idx} = 1; 1051: } 1052: } 1053: unless ($$notshown{$idx} == 1) { 1054: if ($prevread > 0 && $prevread <= $posttime) { 1055: $$newitem{$idx} = 1; 1056: $$discussionitems[$idx] .= ' 1057: <p><table border="0" width="100%"> 1058: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>'; 1059: } else { 1060: $$newitem{$idx} = 0; 1061: $$discussionitems[$idx] .= ' 1062: <p><table border="0" width="100%"> 1063: <tr><td align="left"> </td>'; 1064: } 1065: $$discussionitems[$idx] .= '<td align ="left">  '. 1066: '<b>'.$subject.'</b>  '. 1067: $sender.'</b> '.$vgrlink.' ('. 1068: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1069: if ($$dischash{$toggkey}) { 1070: $$discussionitems[$idx].='<td align="right">  '. 1071: $ctlink.'</td>'; 1072: } 1073: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1074: $message.'</blockquote></p>'; 1075: if ($contrib{$idx.':history'}) { 1076: my @postversions = (); 1077: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1078: if ($seeid) { 1079: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$ressymb.':::'.$idx.'">'.&mt('Display all versions').'</a>'; 1080: } 1081: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1082: if ($contrib{$idx.':history'} =~ m/:/) { 1083: @postversions = split/:/,$contrib{$idx.':history'}; 1084: } else { 1085: @postversions = ("$contrib{$idx.':history'}"); 1086: } 1087: for (my $i=0; $i<@postversions; $i++) { 1088: my $version = $i+1; 1089: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1090: } 1091: } 1092: } 1093: } 1094: } 1095: } 1096: } 1097: } 1098: } 1099: 1100: sub filter_regexp { 1101: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1102: my ($roleregexp,$secregexp,$statusregexp); 1103: my $skiptest = 1; 1104: if (@{$rolefilter} > 0) { 1105: my @okrolefilter = (); 1106: foreach (@{$rolefilter}) { 1107: unless ($_ eq '') { 1108: push @okrolefilter, $_; 1109: } 1110: } 1111: if (@okrolefilter > 0) { 1112: if (grep/^all$/,@okrolefilter) { 1113: $roleregexp='[^:]+'; 1114: } else { 1115: if (@okrolefilter == 1) { 1116: $roleregexp=$okrolefilter[0]; 1117: } else { 1118: $roleregexp='('.join('|',@okrolefilter).')'; 1119: } 1120: $skiptest = 0; 1121: } 1122: } 1123: } 1124: if (@{$sectionpick} > 0) { 1125: my @oksectionpick = (); 1126: foreach (@{$sectionpick}) { 1127: unless ($_ eq '') { 1128: push @oksectionpick, $_; 1129: } 1130: } 1131: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1132: if (@oksectionpick == 1) { 1133: $secregexp = $oksectionpick[0]; 1134: } else { 1135: $secregexp .= '('.join('|',@oksectionpick).')'; 1136: } 1137: $skiptest = 0; 1138: } else { 1139: $secregexp .= '[^:]*'; 1140: } 1141: } 1142: if (defined($statusfilter) && $statusfilter ne '') { 1143: if ($statusfilter eq 'all') { 1144: $statusregexp = '[^:]+'; 1145: } else { 1146: $statusregexp = $statusfilter; 1147: $skiptest = 0; 1148: } 1149: } 1150: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1151: } 1152: 1153: 1154: sub get_post_contents { 1155: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1156: my $discussion = ''; 1157: my $start=$numver; 1158: my $end=$numver + 1; 1159: %{$$imsfiles{$idx}}=(); 1160: if ($type eq 'allversions') { 1161: unless($seeid) { 1162: $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role'); 1163: return $discussion; 1164: } 1165: } 1166: # $$screenname=&Apache::loncommon::screenname( 1167: # $$contrib{$idx.':sendername'}, 1168: # $$contrib{$idx.':senderdomain'}); 1169: $$plainname=&Apache::loncommon::nickname( 1170: $$contrib{$idx.':sendername'}, 1171: $$contrib{$idx.':senderdomain'}); 1172: $$screenname=$$contrib{$idx.':screenname'}; 1173: 1174: my $sender=&Apache::loncommon::aboutmewrapper( 1175: $$plainname, 1176: $$contrib{$idx.':sendername'}, 1177: $$contrib{$idx.':senderdomain'}).' ('. 1178: $$contrib{$idx.':sendername'}.' at '. 1179: $$contrib{$idx.':senderdomain'}.')'; 1180: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1181: my @postversions = (); 1182: if ($type eq 'allversions' || $type eq 'export') { 1183: $start = 0; 1184: if ($$contrib{$idx.':history'}) { 1185: if ($$contrib{$idx.':history'} =~ m/:/) { 1186: @postversions = split/:/,$$contrib{$idx.':history'}; 1187: } else { 1188: @postversions = ("$$contrib{$idx.':history'}"); 1189: } 1190: } 1191: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1192: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1193: push @postversions,$$contrib{$idx.':timestamp'}; 1194: $end = @postversions; 1195: } else { 1196: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1197: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1198: } 1199: 1200: if ($$contrib{$idx.':anonymous'}) { 1201: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1202: } 1203: if ($type eq 'allversions') { 1204: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1205: } 1206: for (my $i=$start; $i<$end; $i++) { 1207: my ($timesent,$attachmsg); 1208: my %currattach = (); 1209: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1210: &newline_to_br(\$messages->{$i}); 1211: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1212: $$subjects{$i}=~s/\n/\<br \/\>/g; 1213: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1214: if ($attachmenturls) { 1215: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1216: } 1217: if ($type eq 'export') { 1218: $$imsfiles{$idx}{$i} = ''; 1219: if ($attachmsg) { 1220: $$attachtxt{$i} = '<br />Attachments:<br />'; 1221: foreach (sort keys %currattach) { 1222: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1223: my $fname = $1.$3.'/'.$4; 1224: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1225: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1226: } 1227: } 1228: } 1229: } else { 1230: if ($attachmsg) { 1231: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />'; 1232: } else { 1233: $$attachtxt{$i} = ''; 1234: } 1235: } 1236: if ($type eq 'allversions') { 1237: $discussion.= <<"END"; 1238: <li><b>$$subjects{$i}</b>, $timesent<br /> 1239: $$messages{$i}<br /> 1240: $$attachtxt{$i}</li> 1241: END 1242: } 1243: } 1244: if ($type eq 'allversions') { 1245: $discussion.=('</ul></body></html>'); 1246: return $discussion; 1247: } else { 1248: return; 1249: } 1250: } 1251: 1252: sub replicate_attachments { 1253: my ($attachrefs,$tempexport) = @_; 1254: my $response; 1255: foreach my $id (keys %{$attachrefs}) { 1256: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1257: my $path = $tempexport; 1258: my $tail = $1.'/'.$2.$4; 1259: my @extras = split/\//,$tail; 1260: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1261: if (!-e $destination) { 1262: my $i= 0; 1263: while ($i<@extras) { 1264: $path .= '/'.$extras[$i]; 1265: if (!-e $path) { 1266: mkdir($path,0700); 1267: } 1268: $i ++; 1269: } 1270: my ($content,$rtncode); 1271: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1272: if ($uploadreply eq 'ok') { 1273: my $attachcopy; 1274: if ($attachcopy = Apache::File->new('>'.$destination)) { 1275: print $attachcopy $content; 1276: close($attachcopy); 1277: } else { 1278: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n"; 1279: } 1280: } else { 1281: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1282: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n"; 1283: } 1284: } 1285: } 1286: } 1287: return $response; 1288: } 1289: 1290: sub mail_screen { 1291: my ($r,$feedurl,$options) = @_; 1292: if (exists($env{'form.origpage'})) { 1293: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']); 1294: } 1295: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion', 1296: '','onLoad="window.focus();setposttype();"'); 1297: my $title=&Apache::lonnet::gettitle($feedurl); 1298: if (!$title) { $title = $feedurl; } 1299: my $quote=''; 1300: my $subject = ''; 1301: my $comment = ''; 1302: my $prevtag = ''; 1303: my $parentmsg = ''; 1304: my ($symb,$idx,$attachmenturls); 1305: my $numoldver = 0; 1306: my $attachmsg = ''; 1307: my $newattachmsg = ''; 1308: my @currnewattach = (); 1309: my @currdelold = (); 1310: my @keepold = (); 1311: my %attachments = (); 1312: my %currattach = (); 1313: my $attachnum = 0; 1314: my $anonchk = (<<END); 1315: function anonchk() { 1316: if (document.mailform.anondiscuss.checked == true) { 1317: document.attachment.anondiscuss.value = '1' 1318: } 1319: if (document.mailform.discuss.checked == true) { 1320: document.attachment.discuss.value = '1' 1321: } 1322: return 1323: } 1324: END 1325: my $anonscript; 1326: if (exists($env{'form.origpage'})) { 1327: $anonscript = (<<END); 1328: function setposttype() { 1329: var anondisc = $env{'form.anondiscuss'}; 1330: var disc = $env{'form.discuss'}; 1331: if (anondisc == 1) { 1332: document.mailform.anondiscuss.checked = true 1333: } 1334: if (disc == 1) { 1335: document.mailform.discuss.checked = true 1336: } 1337: return 1338: } 1339: END 1340: } else { 1341: $anonscript = (<<END); 1342: function setposttype() { 1343: return 1344: } 1345: END 1346: } 1347: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1348: if ($env{'form.replydisc'}) { 1349: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1350: } else { 1351: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1352: } 1353: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1354: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1355: $env{'course.'.$env{'request.course.id'}.'.num'}); 1356: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1357: if ($contrib{$idx.':history'}) { 1358: if ($contrib{$idx.':history'} =~ /:/) { 1359: my @oldversions = split/:/,$contrib{$idx.':history'}; 1360: $numoldver = @oldversions; 1361: } else { 1362: $numoldver = 1; 1363: } 1364: } 1365: if ($env{'form.replydisc'}) { 1366: if ($contrib{$idx.':history'}) { 1367: if ($contrib{$idx.':history'} =~ /:/) { 1368: my @oldversions = split/:/,$contrib{$idx.':history'}; 1369: $numoldver = @oldversions; 1370: } else { 1371: $numoldver = 1; 1372: } 1373: } 1374: my $message; 1375: if ($idx > 0) { 1376: my %msgversions = (); 1377: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1378: $message = $msgversions{$numoldver}; 1379: } 1380: &newline_to_br(\$message); 1381: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>'; 1382: if ($idx > 0) { 1383: my %subversions = (); 1384: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1385: $subject = 'Re: '.$subversions{$numoldver}; 1386: } 1387: $subject = &HTML::Entities::encode($subject,'<>&"'); 1388: } else { 1389: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1390: if ($idx > 0) { 1391: my %msgversions = (); 1392: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1393: $comment = $msgversions{$numoldver}; 1394: my %subversions = (); 1395: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1396: $subject = $subversions{$numoldver}; 1397: } 1398: if (defined($contrib{$idx.':replyto'})) { 1399: $parentmsg = $contrib{$idx.':replyto'}; 1400: } 1401: unless (exists($env{'form.origpage'})) { 1402: my $anonflag = 0; 1403: if ($contrib{$idx.':anonymous'}) { 1404: $anonflag = 1; 1405: } 1406: $anonscript = (<<END); 1407: function setposttype () { 1408: var currtype = $anonflag 1409: if (currtype == 1) { 1410: document.mailform.elements.discuss.checked = false 1411: document.mailform.elements.anondiscuss.checked = true 1412: } 1413: if (currtype == 0) { 1414: document.mailform.elements.anondiscuss.checked = false 1415: document.mailform.elements.discuss.checked = true 1416: } 1417: return 1418: } 1419: END 1420: } 1421: } 1422: } 1423: if ($env{'form.previous'}) { 1424: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1425: } 1426: } 1427: 1428: if ($env{'form.origpage'}) { 1429: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 1430: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 1431: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1432: } 1433: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); 1434: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders(); 1435: my $send=&mt('Send'); 1436: my $html=&Apache::lonxml::xmlbegin(); 1437: $r->print(<<END); 1438: $html 1439: <head> 1440: <title>The LearningOnline Network with CAPA</title> 1441: <meta http-equiv="pragma" content="no-cache"></meta> 1442: $htmlheader 1443: <script type="text/javascript"> 1444: // 1490: </script> 1491: </head> 1492: $bodytag 1493: <h2><tt>$title</tt></h2> 1494: <form action="/adm/feedback" method="post" name="mailform" 1495: enctype="multipart/form-data"> 1496: $prevtag 1497: <input type="hidden" name="postdata" value="$feedurl" /> 1498: END 1499: if ($env{'form.replydisc'}) { 1500: $r->print(<<END); 1501: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1502: END 1503: } elsif ($env{'form.editdisc'}) { 1504: $r->print(<<END); 1505: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1506: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1507: END 1508: } 1509: $r->print(<<END); 1510: Please check at least one of the following feedback types: 1511: $options<hr /> 1512: $quote 1513: <p>My question/comment/feedback:</p> 1514: <p> 1515: $latexHelp 1516: Title: <input type="text" name="subject" size="30" value="$subject" /></p> 1517: <p> 1518: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1519: </textarea></p> 1520: <p> 1521: END 1522: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1523: if ($env{'form.origpage'}) { 1524: foreach (@currnewattach) { 1525: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 1526: } 1527: foreach (@currdelold) { 1528: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 1529: } 1530: } 1531: if ($env{'form.editdisc'}) { 1532: if ($attachmenturls) { 1533: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1534: $attachnum = scalar(keys %currattach); 1535: foreach (keys %currattach) { 1536: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n"); 1537: } 1538: } 1539: } 1540: } else { 1541: $r->print(<<END); 1542: Attachment (128 KB max size): <input type="file" name="attachment" /> 1543: </p> 1544: END 1545: } 1546: $r->print(<<END); 1547: <p> 1548: <input type="hidden" name="sendit" value="1" /> 1549: <input type="button" value="$send" onClick='gosubmit();' /> 1550: </p> 1551: </form> 1552: END 1553: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1554: my $now = time; 1555: my $ressymb = $symb; 1556: my $postidx = ''; 1557: if ($env{'form.editdisc'}) { 1558: $postidx = $idx; 1559: } 1560: if (@currnewattach > 0) { 1561: $attachnum += @currnewattach; 1562: } 1563: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver)); 1564: if ($attachnum > 0) { 1565: if (@currnewattach > 0) { 1566: $newattachmsg .= '<b>New attachments</b><br />'; 1567: if (@currnewattach > 1) { 1568: $newattachmsg .= '<ol>'; 1569: foreach my $item (@currnewattach) { 1570: $item =~ m#.*/([^/]+)$#; 1571: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1572: } 1573: $newattachmsg .= '</ol>'."\n"; 1574: } else { 1575: $currnewattach[0] =~ m#.*/([^/]+)$#; 1576: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1577: } 1578: } 1579: if ($attachmsg) { 1580: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n"); 1581: } 1582: if ($newattachmsg) { 1583: $r->print("$newattachmsg<br />"); 1584: } 1585: } 1586: } 1587: $r->print(&generate_preview_button(). 1588: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1589: '</body></html>'); 1590: } 1591: 1592: sub print_display_options { 1593: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1594: &Apache::loncommon::content_type($r,'text/html'); 1595: $r->send_http_header; 1596: 1597: my $function = &Apache::loncommon::get_users_function(); 1598: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1599: $env{'user.domain'}); 1600: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1601: '',''); 1602: 1603: my %lt = &Apache::lonlocal::texthash( 1604: 'dido' => 'Discussion display options', 1605: 'pref' => 'Display Preference', 1606: 'curr' => 'Current setting ', 1607: 'actn' => 'Action', 1608: 'deff' => 'Default for all discussions', 1609: 'prca' => 'Preferences can be set for this discussion that determine ....', 1610: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', 1611: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1612: 'wipa' => 'Whether individual posts can be marked as read/unread', 1613: 'allposts' => 'All posts', 1614: 'unread' => 'New posts only', 1615: 'unmark' => 'Posts not marked read', 1616: 'ondisp' => 'Once displayed', 1617: 'onmark' => 'Once marked not NEW ', 1618: 'toggon' => 'Shown', 1619: 'toggoff' => 'Not shown', 1620: 'disa' => 'Posts displayed?', 1621: 'npmr' => 'New posts cease to be identified as "NEW"?', 1622: 'dotm' => 'Option to mark each post as read/unread?', 1623: 'chgt' => 'Change to ', 1624: 'mkdf' => 'Set to ', 1625: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1626: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1627: ); 1628: 1629: my $dispchangeA = $lt{'unread'}; 1630: my $dispchangeB = $lt{'unmark'}; 1631: my $markchange = $lt{'ondisp'}; 1632: my $toggchange = $lt{'toggon'}; 1633: my $currdisp = $lt{'allposts'}; 1634: my $currmark = $lt{'onmark'}; 1635: my $discdisp = 'allposts'; 1636: my $discmark = 'onmark'; 1637: my $currtogg = $lt{'toggoff'}; 1638: my $disctogg = 'toggoff'; 1639: 1640: if ($dispchgA eq 'allposts') { 1641: $dispchangeA = $lt{'allposts'}; 1642: $currdisp = $lt{'unread'}; 1643: $discdisp = 'unread'; 1644: } 1645: 1646: if ($markchg eq 'markonread') { 1647: $markchange = $lt{'onmark'}; 1648: $currmark = $lt{'ondisp'}; 1649: $discmark = 'ondisp'; 1650: } 1651: 1652: if ($dispchgB eq 'onlyunread') { 1653: $dispchangeB = $lt{'unread'}; 1654: $currdisp = $lt{'unmark'}; 1655: $discdisp = 'unmark'; 1656: } 1657: if ($toggchg eq 'toggoff') { 1658: $toggchange = $lt{'toggoff'}; 1659: $currtogg = $lt{'toggon'}; 1660: $disctogg = 'toggon'; 1661: } 1662: my $html=&Apache::lonxml::xmlbegin(); 1663: $r->print(<<END); 1664: $html 1665: <head> 1666: <title>$lt{'dido'}</title> 1667: <meta http-equiv="pragma" content="no-cache" /> 1668: <script> 1669: function discdispChk(caller) { 1670: var disctogg = '$toggchg' 1671: if (caller == 0) { 1672: if (document.modifydisp.discdisp[0].checked == true) { 1673: if (document.modifydisp.discdisp[1].checked == true) { 1674: document.modifydisp.discdisp[1].checked = false 1675: } 1676: } 1677: } 1678: if (caller == 1) { 1679: if (document.modifydisp.discdisp[1].checked == true) { 1680: if (document.modifydisp.discdisp[0].checked == true) { 1681: document.modifydisp.discdisp[0].checked = false 1682: } 1683: if (disctogg == 'toggon') { 1684: document.modifydisp.disctogg.checked = true 1685: } 1686: if (disctogg == 'toggoff') { 1687: document.modifydisp.disctogg.checked = false 1688: } 1689: } 1690: } 1691: if (caller == 2) { 1692: var dispchgB = '$dispchgB' 1693: if (disctogg == 'toggoff') { 1694: if (document.modifydisp.disctogg.checked == true) { 1695: if (dispchgB == 'onlyunmark') { 1696: document.modifydisp.discdisp[1].checked = false 1697: } 1698: } 1699: } 1700: } 1701: } 1702: 1703: function setDisp() { 1704: var prev = "$previous" 1705: var chktotal = 0 1706: if (document.modifydisp.discdisp[0].checked == true) { 1707: document.modifydisp.$dispchgA.value = "$symb" 1708: chktotal ++ 1709: } 1710: if (document.modifydisp.discdisp[1].checked == true) { 1711: document.modifydisp.$dispchgB.value = "$symb" 1712: chktotal ++ 1713: } 1714: if (document.modifydisp.discmark.checked == true) { 1715: document.modifydisp.$markchg.value = "$symb" 1716: chktotal ++ 1717: } 1718: if (document.modifydisp.disctogg.checked == true) { 1719: document.modifydisp.$toggchg.value = "$symb" 1720: chktotal ++ 1721: } 1722: if (chktotal > 0) { 1723: document.modifydisp.submit() 1724: } else { 1725: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1726: if (prev > 0) { 1727: location.href = "$feedurl?previous=$previous" 1728: } else { 1729: location.href = "$feedurl" 1730: } 1731: } 1732: } 1733: } 1734: </script> 1735: </head> 1736: $bodytag 1737: <form name="modifydisp" method="post" action="/adm/feedback"> 1738: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1739: <br /> 1740: <table border="0" cellpadding="0" cellspacing="0"> 1741: <tr> 1742: <td width="100%" bgcolor="#000000"> 1743: <table width="100%" border="0" cellpadding="1" cellspacing="0"> 1744: <tr> 1745: <td width="100%" bgcolor="#000000"> 1746: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF"> 1747: <tr bgcolor="$tabcolor"> 1748: <td><b>$lt{'pref'}</b></td> 1749: <td><b>$lt{'curr'}</b></td> 1750: <td><b>$lt{'actn'}?</b></td> 1751: </tr> 1752: <tr bgcolor="#dddddd"> 1753: <td>$lt{'disa'}</td> 1754: <td>$lt{$discdisp}</td> 1755: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1756: <br /> 1757: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1758: </td> 1759: </tr><tr bgcolor="#eeeeee"> 1760: <td>$lt{'npmr'}</td> 1761: <td>$lt{$discmark}</td> 1762: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1763: </tr><tr bgcolor="#dddddd"> 1764: <td>$lt{'dotm'}</td> 1765: <td>$lt{$disctogg}</td> 1766: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1767: </tr> 1768: </table> 1769: </td> 1770: </tr> 1771: </table> 1772: </td> 1773: </tr> 1774: </table> 1775: <br /> 1776: <br /> 1777: <input type="hidden" name="symb" value="$symb" /> 1778: <input type="hidden" name="previous" value="$previous" /> 1779: <input type="hidden" name="$dispchgA" value=""/> 1780: <input type="hidden" name="$dispchgB" value=""/> 1781: <input type="hidden" name="$markchg" value=""/> 1782: <input type="hidden" name="$toggchg" value="" /> 1783: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" /> 1784: <br /> 1785: <br /> 1786: </form> 1787: </body> 1788: </html> 1789: END 1790: return; 1791: } 1792: 1793: sub print_sortfilter_options { 1794: my ($r,$symb,$previous,$feedurl) = @_; 1795: 1796: &Apache::loncommon::content_type($r,'text/html'); 1797: $r->send_http_header; 1798: 1799: &Apache::lonenc::check_encrypt(\$symb); 1800: my @sections = (); 1801: my $section_sel = ''; 1802: my $numsections = 0; 1803: my $numvisible = 5; 1804: my %sectioncount = (); 1805: 1806: $numsections = &Apache::loncommon::get_sections($env{'course.'.$env{'request.course.id'}.'.domain'},$env{'course.'.$env{'request.course.id'}.'.num'},\%sectioncount); 1807: 1808: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 1809: @sections = ('all',$env{'request.course.sec'}); 1810: $numvisible = 2; 1811: } else { 1812: @sections = sort {$a cmp $b} keys(%sectioncount); 1813: unshift(@sections,'all'); # Put 'all' at the front of the list 1814: if ($numsections < 4) { 1815: $numvisible = $numsections + 1; 1816: } 1817: } 1818: foreach (@sections) { 1819: $section_sel .= " <option value=\"$_\" />$_\n"; 1820: } 1821: 1822: my $function = &Apache::loncommon::get_users_function(); 1823: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1824: $env{'user.domain'}); 1825: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1826: '',''); 1827: my %lt = &Apache::lonlocal::texthash( 1828: 'diso' => 'Discussion sorting and filtering options', 1829: 'diop' => 'Display Options', 1830: 'curr' => 'Current setting ', 1831: 'actn' => 'Action', 1832: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 1833: 'soor' => 'Sort order', 1834: 'spur' => 'Specific user roles', 1835: 'sprs' => 'Specific role status', 1836: 'spse' => 'Specific sections', 1837: 'psub' => 'Pick specific users (by name)', 1838: 'shal' => 'Show a list of current posters' 1839: ); 1840: 1841: my %sort_types = (); 1842: my %role_types = (); 1843: my %status_types = (); 1844: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 1845: my $html=&Apache::lonxml::xmlbegin(); 1846: $r->print(<<END); 1847: $html 1848: <head> 1849: <title>$lt{'diso'}</title> 1850: <meta http-equiv="pragma" content="no-cache" /> 1851: <script type="text/javascript"> 1852: function verifyFilter() { 1853: var rolenum = 0 1854: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 1855: if (document.modifyshown.rolefilter.options[i].selected == true) { 1856: rolenum ++ 1857: } 1858: } 1859: if (rolenum == 0) { 1860: document.modifyshown.rolefilter.options[0].selected = true 1861: } 1862: 1863: var secnum = 0 1864: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 1865: if (document.modifyshown.sectionpick.options[i].selected == true) { 1866: secnum ++ 1867: } 1868: } 1869: if (secnum == 0) { 1870: document.modifyshown.sectionpick.options[0].selected = true 1871: } 1872: document.modifyshown.submit(); 1873: } 1874: </script> 1875: </head> 1876: $bodytag 1877: <form name="modifyshown" method="post" action="/adm/feedback"> 1878: <b>$lt{'diso'}</b><br/> $lt{'prca'} 1879: <br /><br /> 1880: <table border="0"> 1881: <tr> 1882: <td><b>$lt{'soor'}</b></td> 1883: <td> </td> 1884: <td><b>$lt{'sprs'}</b></td> 1885: <td> </td> 1886: <td><b>$lt{'spur'}</b></td> 1887: <td> </td> 1888: <td><b>$lt{'spse'}</b></td> 1889: <td> </td> 1890: <td><b>$lt{'psub'}</b></td> 1891: </tr> 1892: <tr> 1893: <td align="center"> 1894: <select name="sortposts"> 1895: <option value="ascdate" selected="selected" />$sort_types{'ascdate'} 1896: <option value="descdate" />$sort_types{'descdate'} 1897: <option value="thread" />$sort_types{'thread'} 1898: <option value="subject" />$sort_types{'subject'} 1899: <option value="username" />$sort_types{'username'} 1900: <option value="lastfirst" />$sort_types{'lastfirst'} 1901: </select> 1902: </td> 1903: <td> </td> 1904: <td align="center"> 1905: <select name="statusfilter"> 1906: <option value="all" selected="selected" />$status_types{'all'} 1907: <option value="Active" />$status_types{'Active'} 1908: <option value="Expired" />$status_types{'Expired'} 1909: </select> 1910: </td> 1911: <td> </td> 1912: <td align="center"> 1913: <select name="rolefilter" multiple="true" size="5"> 1914: <option value="all" />$role_types{'all'} 1915: <option value="st" />$role_types{'st'} 1916: <option value="cc" />$role_types{'cc'} 1917: <option value="in" />$role_types{'in'} 1918: <option value="ta" />$role_types{'ta'} 1919: <option value="ep" />$role_types{'ep'} 1920: <option value="ad" />$role_types{'ad'} 1921: <option value="cr" />$role_types{'cr'} 1922: </select> 1923: </td> 1924: <td> </td> 1925: <td align="center"> 1926: <select name="sectionpick" multiple="true" size="$numvisible"> 1927: $section_sel 1928: </select> 1929: </td> 1930: <td> </td> 1931: <td><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 1932: </tr> 1933: </table> 1934: <br /> 1935: <br /> 1936: <input type="hidden" name="previous" value="$previous" /> 1937: <input type="hidden" name="applysort" value="$symb" /> 1938: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" /> 1939: <br /> 1940: <br /> 1941: </form> 1942: </body> 1943: </html> 1944: END 1945: } 1946: 1947: sub print_showposters { 1948: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 1949: 1950: &Apache::loncommon::content_type($r,'text/html'); 1951: $r->send_http_header; 1952: 1953: &Apache::lonenc::check_encrypt(\$symb); 1954: my $crs='/'.$env{'request.course.id'}; 1955: if ($env{'request.course.sec'}) { 1956: $crs.='_'.$env{'request.course.sec'}; 1957: } 1958: $crs=~s/\_/\//g; 1959: my $seeid=&Apache::lonnet::allowed('rin',$crs); 1960: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1961: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1962: $env{'course.'.$env{'request.course.id'}.'.num'}); 1963: my %namesort = (); 1964: my %postcounts = (); 1965: my %lt=&Apache::lonlocal::texthash( 1966: 'diso' => 'Discussion filtering options', 1967: ); 1968: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1969: '',''); 1970: if ($contrib{'version'}) { 1971: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 1972: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 1973: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 1974: unless ((($hidden) && (!$seeid)) || ($deleted)) { 1975: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 1976: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1977: my $lastname = $names{'lastname'}; 1978: my $firstname = $names{'firstname'}; 1979: if ($lastname eq '') { 1980: $lastname = '_'; 1981: } 1982: if ($firstname eq '') { 1983: $firstname = '_'; 1984: } 1985: unless (defined($namesort{$lastname})) { 1986: %{$namesort{$lastname}} = (); 1987: } 1988: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 1989: $postcounts{$poster} ++; 1990: if (defined($namesort{$lastname}{$firstname})) { 1991: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 1992: push @{$namesort{$lastname}{$firstname}}, $poster; 1993: } 1994: } else { 1995: @{$namesort{$lastname}{$firstname}} = ("$poster"); 1996: } 1997: } 1998: } 1999: } 2000: } 2001: my $html=&Apache::lonxml::xmlbegin(); 2002: $r->print(<<END); 2003: $html 2004: <head> 2005: <title>$lt{'diso'}</title> 2006: <meta http-equiv="pragma" content="no-cache" /> 2007: </head> 2008: $bodytag 2009: <form name="pickpostersform" method="post"> 2010: <table border="0"> 2011: <tr> 2012: <td bgcolor="#777777"> 2013: <table border="0" cellpadding="3"> 2014: <tr bgcolor="#e6ffff"> 2015: <td><b>No.</b></td> 2016: <td><b>Select</b></td> 2017: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td> 2018: <td><b>Posts</td> 2019: </tr> 2020: END 2021: my $count = 0; 2022: foreach my $last (sort keys %namesort) { 2023: foreach my $first (sort keys %{$namesort{$last}}) { 2024: foreach (sort @{$namesort{$last}{$first}}) { 2025: my ($uname,$udom) = split/:/,$_; 2026: if (!$uname || !$udom) { 2027: next; 2028: } else { 2029: $count ++; 2030: $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>'); 2031: } 2032: } 2033: } 2034: } 2035: $r->print(<<END); 2036: </table> 2037: </td> 2038: </tr> 2039: </table> 2040: <br /> 2041: <input type="hidden" name="sortposts" value="$sortposts" /> 2042: <input type="hidden" name="userpick" value="$symb" /> 2043: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2044: </form> 2045: </body> 2046: </html> 2047: END 2048: } 2049: 2050: sub get_post_versions { 2051: my ($versions,$incoming,$htmldecode,$numver) = @_; 2052: if ($incoming =~ /^<version num="0">/) { 2053: my $p = HTML::LCParser->new(\$incoming); 2054: my $done = 0; 2055: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2056: my $num = $token->[1]{num}; 2057: my $text = $p->get_text("/version"); 2058: if (defined($numver)) { 2059: if ($num == $numver) { 2060: if ($htmldecode) { 2061: $text = &HTML::Entities::decode($text); 2062: } 2063: $$versions{$numver}=$text; 2064: $done = 1; 2065: } 2066: } else { 2067: if ($htmldecode) { 2068: $text = &HTML::Entities::decode($text); 2069: } 2070: $$versions{$num}=$text; 2071: } 2072: } 2073: } else { 2074: if (!defined($numver)) { 2075: $numver = 0; 2076: } 2077: if ($htmldecode) { 2078: $$versions{$numver} = $incoming; 2079: } else { 2080: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2081: } 2082: } 2083: return; 2084: } 2085: 2086: sub get_post_attachments { 2087: my ($attachments,$attachmenturls) = @_; 2088: my $num; 2089: if ($attachmenturls =~ m/^<attachment id="0">/) { 2090: my $p = HTML::LCParser->new(\$attachmenturls); 2091: while (my $token = $p->get_tag("attachment","filename","post")) { 2092: if ($token->[0] eq "attachment") { 2093: $num = $token->[1]{id}; 2094: %{$$attachments{$num}} =(); 2095: } elsif ($token->[0] eq "filename") { 2096: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2097: } elsif ($token->[0] eq "post") { 2098: my $id = $token->[1]{id}; 2099: $$attachments{$num}{$id} = $p->get_text("/post"); 2100: } 2101: } 2102: } else { 2103: %{$$attachments{'0'}} = (); 2104: $$attachments{'0'}{'filename'} = $attachmenturls; 2105: $$attachments{'0'}{'0'} = 'n'; 2106: } 2107: 2108: return; 2109: } 2110: 2111: sub fail_redirect { 2112: my ($r,$feedurl) = @_; 2113: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2114: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2115: my $html=&Apache::lonxml::xmlbegin(); 2116: $r->print (<<ENDFAILREDIR); 2117: $html 2118: <head> 2119: <title>Feedback not sent</title> 2120: <meta http-equiv="pragma" content="no-cache" /> 2121: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2122: </head> 2123: <body bgcolor="#FFFFFF"> 2124: <img align="right" src="$logo" /> 2125: <b>Sorry, no recipients ...</b> 2126: <br /><a href="$feedurl">Continue</a> 2127: </body> 2128: </html> 2129: ENDFAILREDIR 2130: } 2131: 2132: sub redirect_back { 2133: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$numpicks) = @_; 2134: my $sorttag = ''; 2135: my $roletag = ''; 2136: my $statustag = ''; 2137: my $sectag = ''; 2138: my $userpicktag = ''; 2139: my $qrystr = ''; 2140: my $prevtag = ''; 2141: 2142: &Apache::loncommon::content_type($r,'text/html'); 2143: $r->send_http_header; 2144: 2145: &dewrapper(\$feedurl); 2146: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2147: if ($previous > 0) { 2148: $qrystr = 'previous='.$previous; 2149: if ($feedurl =~ /\?register=1/) { 2150: $feedurl .= '&'.$qrystr; 2151: } else { 2152: $feedurl .= '?'.$qrystr; 2153: } 2154: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2155: } 2156: if (defined($sort)) { 2157: my $sortqry = 'sortposts='.$sort; 2158: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2159: $feedurl .= '&'.$sortqry; 2160: } else { 2161: $feedurl .= '?'.$sortqry; 2162: } 2163: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2164: if (defined($numpicks)) { 2165: my $userpickqry = 'totposters='.$numpicks; 2166: $feedurl .= '&'.$userpickqry; 2167: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2168: } else { 2169: if (ref($sectionpick) eq 'ARRAY') { 2170: $feedurl .= '&sectionpick='; 2171: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2172: foreach (@{$sectionpick}) { 2173: $feedurl .= $_.','; 2174: $sectag .= $_.','; 2175: } 2176: $feedurl =~ s/,$//; 2177: $sectag =~ s/,$//; 2178: $sectag .= '" />'; 2179: } else { 2180: $feedurl .= '&sectionpick='.$sectionpick; 2181: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2182: } 2183: if (ref($rolefilter) eq 'ARRAY') { 2184: $feedurl .= '&rolefilter='; 2185: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2186: foreach (@{$rolefilter}) { 2187: $feedurl .= $_.','; 2188: $roletag .= $_.','; 2189: } 2190: $feedurl =~ s/,$//; 2191: $roletag =~ s/,$//; 2192: $roletag .= '" />'; 2193: } else { 2194: $feedurl .= '&rolefilter='.$rolefilter; 2195: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2196: } 2197: $feedurl .= '&statusfilter='.$statusfilter; 2198: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2199: } 2200: } 2201: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2202: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2203: my $html=&Apache::lonxml::xmlbegin(); 2204: $r->print (<<ENDREDIR); 2205: $html 2206: <head> 2207: <title>Feedback sent</title> 2208: <meta http-equiv="pragma" content="no-cache" /> 2209: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2210: </head> 2211: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 2212: <img align="right" src="$logo" /> 2213: $typestyle 2214: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2215: <font color="red">$status</font> 2216: <form name="reldt" action="$feedurl" target="loncapaclient"> 2217: $prevtag 2218: $sorttag 2219: $statustag 2220: $roletag 2221: $sectag 2222: $userpicktag 2223: </form> 2224: <br /><a href="$feedurl">Continue</a> 2225: </body> 2226: </html> 2227: ENDREDIR 2228: } 2229: 2230: sub no_redirect_back { 2231: my ($r,$feedurl) = @_; 2232: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2233: my $continue=&mt('Continue'); 2234: my $html=&Apache::lonxml::xmlbegin(); 2235: $r->print (<<ENDNOREDIR); 2236: $html 2237: <head> 2238: <title>Feedback not sent</title> 2239: <meta http-equiv="pragma" content="no-cache" /> 2240: ENDNOREDIR 2241: 2242: if ($feedurl!~/^\/adm\/feedback/) { 2243: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='. 2244: &Apache::lonenc::check_encrypt($feedurl).'">'); 2245: } 2246: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2247: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2248: $r->print (<<ENDNOREDIRTWO); 2249: </head> 2250: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'> 2251: <img align="right" src="$logo" /> 2252: <b>$nofeed</b> 2253: <br /><a href="$feedurl">$continue</a> 2254: </body> 2255: </html> 2256: ENDNOREDIRTWO 2257: } 2258: 2259: sub screen_header { 2260: my ($feedurl,$symb) = @_; 2261: my $msgoptions=''; 2262: my $discussoptions=''; 2263: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2264: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2265: $msgoptions= 2266: '<p><label><input type="checkbox" name="author" /> '. 2267: &mt('Feedback to resource author').'</label></p>'; 2268: } 2269: if (&feedback_available(1)) { 2270: $msgoptions.= 2271: '<p><label><input type="checkbox" name="question" /> '. 2272: &mt('Question about resource content').'</label></p>'; 2273: } 2274: if (&feedback_available(0,1)) { 2275: $msgoptions.= 2276: '<p><label><input type="checkbox" name="course" /> '. 2277: &mt('Question/Comment/Feedback about course content'). 2278: '</label></p>'; 2279: } 2280: if (&feedback_available(0,0,1)) { 2281: $msgoptions.= 2282: '<p><label><input type="checkbox" name="policy" /> '. 2283: &mt('Question/Comment/Feedback about course policy'). 2284: '</label></p>'; 2285: } 2286: } 2287: if ($env{'request.course.id'}) { 2288: if (&discussion_open(undef,$symb) && 2289: &Apache::lonnet::allowed('pch', 2290: $env{'request.course.id'}. 2291: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2292: $discussoptions='<label><input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '. 2293: ($env{'form.replydisc'}?' checked="1"':'').' /> '. 2294: &mt('Contribution to course discussion of resource'); 2295: $discussoptions.='</label><br /><label><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '. 2296: &mt('Anonymous contribution to course discussion of resource'). 2297: ' <i>('.&mt('name only visible to course faculty').')</i></label>'; 2298: } 2299: } 2300: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2301: if ($discussoptions) { 2302: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2303: return $msgoptions.$discussoptions; 2304: } 2305: 2306: sub resource_output { 2307: my ($feedurl) = @_; 2308: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2309: $usersaw=~s/\<body[^\>]*\>//gi; 2310: $usersaw=~s/\<\/body\>//gi; 2311: $usersaw=~s/\<html\>//gi; 2312: $usersaw=~s/\<\/html\>//gi; 2313: $usersaw=~s/\<head\>//gi; 2314: $usersaw=~s/\<\/head\>//gi; 2315: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2316: return $usersaw; 2317: } 2318: 2319: sub clear_out_html { 2320: my ($message,$override)=@_; 2321: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2322: # Always allow the <m>-tag 2323: my %html=(M=>1); 2324: # Check if more is allowed 2325: my $cid=$env{'request.course.id'}; 2326: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2327: ($override)) { 2328: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2329: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2330: # <SUP> 2331: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2332: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2333: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2334: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2335: } 2336: # Do the substitution of everything that is not explicitly allowed 2337: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2338: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2339: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2340: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2341: return $message; 2342: } 2343: 2344: sub assemble_email { 2345: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_; 2346: my $email=<<"ENDEMAIL"; 2347: $message 2348: ENDEMAIL 2349: my $citations=<<"ENDCITE"; 2350: <h2>Previous attempts of student (if applicable)</h2> 2351: $prevattempts 2352: <br /><hr /> 2353: <h2>Original screen output (if applicable)</h2> 2354: $usersaw 2355: <h2>Correct Answer(s) (if applicable)</h2> 2356: $useranswer 2357: ENDCITE 2358: return ($email,$citations); 2359: } 2360: 2361: sub secapply { 2362: my $rec=shift; 2363: my $defaultflag=shift; 2364: $rec=~s/\s+//g; 2365: $rec=~s/\@/\:/g; 2366: my ($adr,$sections)=($rec=~/^([^$]+)\(([^$]+)\)/); 2367: if ($sections) { 2368: foreach (split(/\;/,$sections)) { 2369: if (($_ eq $env{'request.course.sec'}) || 2370: ($defaultflag && ($_ eq '*'))) { 2371: return $adr; 2372: } 2373: } 2374: } else { 2375: return $rec; 2376: } 2377: return ''; 2378: } 2379: 2380: =pod 2381: 2382: =over 4 2383: 2384: =item * 2385: 2386: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag); 2387: 2388: Arguments 2389: $feedurl - /res/ url of resource (only need if $author is true) 2390: $author,$question,$course,$policy - all true/false parameters 2391: if true will attempt to find the addresses of user that should receive 2392: this type of feedback (author - feedback to author of resource $feedurl, 2393: $question 'Resource Content Questions', $course 'Course Content Question', 2394: $policy 'Course Policy') 2395: (Additionally it also checks $env for whether the corresponding form.<name> 2396: element exists, for ease of use in a html response context) 2397: 2398: $defaultflag - (internal should be left blank) if true gather addresses 2399: that aren't for a section even if I have a section 2400: (used for reccursion internally, first we look for 2401: addresses for our specific section then we recurse 2402: and look for non section addresses) 2403: 2404: Returns 2405: $typestyle - string of html text, describing what addresses were found 2406: %to - a hash, which keys are addresses of users to send messages to 2407: the keys will look like name:domain 2408: 2409: =cut 2410: 2411: sub decide_receiver { 2412: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_; 2413: my $typestyle=''; 2414: my %to=(); 2415: if ($env{'form.author'}||$author) { 2416: $typestyle.='Submitting as Author Feedback<br />'; 2417: $feedurl=~/^\/res\/(\w+)\/(\w+)\//; 2418: $to{$2.':'.$1}=1; 2419: } 2420: if ($env{'form.question'}||$question) { 2421: $typestyle.='Submitting as Question<br />'; 2422: foreach (split(/\,/, 2423: $env{'course.'.$env{'request.course.id'}.'.question.email'}) 2424: ) { 2425: my $rec=&secapply($_,$defaultflag); 2426: if ($rec) { $to{$rec}=1; } 2427: } 2428: } 2429: if ($env{'form.course'}||$course) { 2430: $typestyle.='Submitting as Comment<br />'; 2431: foreach (split(/\,/, 2432: $env{'course.'.$env{'request.course.id'}.'.comment.email'}) 2433: ) { 2434: my $rec=&secapply($_,$defaultflag); 2435: if ($rec) { $to{$rec}=1; } 2436: } 2437: } 2438: if ($env{'form.policy'}||$policy) { 2439: $typestyle.='Submitting as Policy Feedback<br />'; 2440: foreach (split(/\,/, 2441: $env{'course.'.$env{'request.course.id'}.'.policy.email'}) 2442: ) { 2443: my $rec=&secapply($_,$defaultflag); 2444: if ($rec) { $to{$rec}=1; } 2445: } 2446: } 2447: if ((scalar(%to) eq '0') && (!$defaultflag)) { 2448: ($typestyle,%to)= 2449: &decide_receiver($feedurl,$author,$question,$course,$policy,1); 2450: } 2451: return ($typestyle,%to); 2452: } 2453: 2454: sub feedback_available { 2455: my ($question,$course,$policy)=@_; 2456: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy); 2457: return scalar(%to); 2458: } 2459: 2460: sub send_msg { 2461: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_; 2462: my $status=''; 2463: my $sendsomething=0; 2464: foreach (keys %to) { 2465: if ($_) { 2466: my $declutter=&Apache::lonnet::declutter($feedurl); 2467: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_), 2468: 'Feedback ['.$declutter.']',$email,$citations,$feedurl, 2469: $attachmenturl)=~/ok/) { 2470: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />'; 2471: } else { 2472: $sendsomething++; 2473: } 2474: } 2475: } 2476: 2477: my %record=&Apache::lonnet::restore('_feedback'); 2478: my ($temp)=keys %record; 2479: unless ($temp=~/^error\:/) { 2480: my %newrecord=(); 2481: $newrecord{'resource'}=$feedurl; 2482: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2483: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2484: $status.='<br />'.&mt('Not registered').'<br />'; 2485: } 2486: } 2487: 2488: return ($status,$sendsomething); 2489: } 2490: 2491: sub adddiscuss { 2492: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2493: my $status=''; 2494: my $realsymb; 2495: if ($symb=~/^bulletin___/) { 2496: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2497: $filename=~s|^adm/wrapper/||; 2498: $realsymb=&Apache::lonnet::symbread($filename); 2499: } 2500: if (&discussion_open(undef,$realsymb) && 2501: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2502: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2503: 2504: my %contrib=('message' => $email, 2505: 'sendername' => $env{'user.name'}, 2506: 'senderdomain' => $env{'user.domain'}, 2507: 'screenname' => $env{'environment.screenname'}, 2508: 'plainname' => $env{'environment.firstname'}.' '. 2509: $env{'environment.middlename'}.' '. 2510: $env{'environment.lastname'}.' '. 2511: $env{'enrironment.generation'}, 2512: 'attachmenturl'=> $attachmenturl, 2513: 'subject' => $subject); 2514: if ($env{'form.replydisc'}) { 2515: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2516: } 2517: if ($anon) { 2518: $contrib{'anonymous'}='true'; 2519: } 2520: if (($symb) && ($email)) { 2521: if ($env{'form.editdisc'}) { 2522: my %newcontrib = (); 2523: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2524: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2525: $contrib{'timestamp'} = time; 2526: $contrib{'history'} = ''; 2527: my $numoldver = 0; 2528: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2529: &Apache::lonenc::check_decrypt(\$oldsymb); 2530: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2531: # get timestamp for last post and history 2532: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2533: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2534: $env{'course.'.$env{'request.course.id'}.'.num'}); 2535: if (defined($oldcontrib{$oldidx.':replyto'})) { 2536: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2537: } 2538: if (defined($oldcontrib{$oldidx.':history'})) { 2539: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2540: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'}; 2541: $numoldver = @oldversions; 2542: } else { 2543: $numoldver = 1; 2544: } 2545: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2546: } 2547: my $numnewver = $numoldver + 1; 2548: if (defined($oldcontrib{$oldidx.':subject'})) { 2549: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2550: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2551: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2552: } else { 2553: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2554: } 2555: } 2556: if (defined($oldcontrib{$oldidx.':message'})) { 2557: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2558: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2559: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2560: } else { 2561: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2562: } 2563: } 2564: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2565: foreach (keys %contrib) { 2566: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_; 2567: $newcontrib{$key} = $contrib{$_}; 2568: } 2569: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2570: \%newcontrib, 2571: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2572: $env{'course.'.$env{'request.course.id'}.'.num'}); 2573: $status='Editing class discussion'.($anon?' (anonymous)':''); 2574: } else { 2575: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2576: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2577: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2578: $env{'course.'.$env{'request.course.id'}.'.num'}); 2579: } 2580: my %storenewentry=($symb => time); 2581: $status.='<br />'.&mt('Updating discussion time').': '. 2582: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2583: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2584: $env{'course.'.$env{'request.course.id'}.'.num'}); 2585: } 2586: my %record=&Apache::lonnet::restore('_discussion'); 2587: my ($temp)=keys %record; 2588: unless ($temp=~/^error\:/) { 2589: my %newrecord=(); 2590: $newrecord{'resource'}=$symb; 2591: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2592: $status.='<br />'.&mt('Registering').': '. 2593: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2594: } 2595: } else { 2596: $status.='Failed.'; 2597: } 2598: return $status.'<br />'; 2599: } 2600: 2601: # ----------------------------------------------------------- Preview function 2602: 2603: sub show_preview { 2604: my $r=shift; 2605: &Apache::loncommon::content_type($r,'text/html'); 2606: $r->send_http_header; 2607: my $message=&clear_out_html($env{'form.comment'}); 2608: &newline_to_br(\$message); 2609: $message=&Apache::lonspeller::markeduptext($message); 2610: $message=&Apache::lontexconvert::msgtexconverted($message); 2611: my $subject=&clear_out_html($env{'form.subject'}); 2612: $subject=~s/\n/\<br \/\>/g; 2613: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2614: my $html=&Apache::lonxml::xmlbegin(); 2615: $r->print($html.'<head>'. 2616: '</head><body><table border="2"><tr><td>'. 2617: '<b>Subject:</b> '.$subject.'<br /><br />'. 2618: $message.'</td></tr></table></body></html>'); 2619: } 2620: 2621: 2622: sub newline_to_br { 2623: my ($message)=@_; 2624: my $newmessage; 2625: my $parser=HTML::LCParser->new($message); 2626: while (my $token=$parser->get_token()) { 2627: if ($token->[0] eq 'T') { 2628: my $text=$token->[1]; 2629: $text=~s/\n/\<br \/\>/g; 2630: $newmessage.=$text; 2631: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2632: $newmessage.=$token->[1]; 2633: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2634: $newmessage.=$token->[2]; 2635: } elsif ($token->[0] eq 'S') { 2636: $newmessage.=$token->[4]; 2637: } 2638: 2639: } 2640: $$message=$newmessage; 2641: } 2642: 2643: sub generate_preview_button { 2644: my ($formname,$fieldname)=@_; 2645: unless ($formname) { $formname='mailform'; } 2646: unless ($fieldname) { $fieldname='comment'; } 2647: my $pre=&mt("Show Preview and Check Spelling"); 2648: return(<<ENDPREVIEW); 2649: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2650: <input type="hidden" name="subject"> 2651: <input type="hidden" name="comment" /> 2652: <input type="button" value="$pre" 2653: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 2654: </form> 2655: ENDPREVIEW 2656: } 2657: 2658: sub modify_attachments { 2659: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_; 2660: my $orig_subject = &Apache::lonnet::unescape($env{'form.subject'}); 2661: my $subject=&clear_out_html($orig_subject); 2662: $subject=~s/\n/\<br \/\>/g; 2663: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2664: my $timestamp=$env{'form.timestamp'}; 2665: my $numoldver=$env{'form.numoldver'}; 2666: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments', 2667: '',''); 2668: my $msg = ''; 2669: my %attachments = (); 2670: my %currattach = (); 2671: if ($idx) { 2672: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2673: } 2674: &Apache::lonenc::check_encrypt(\$symb); 2675: my $html=&Apache::lonxml::xmlbegin(); 2676: $r->print(<<END); 2677: $html 2678: <head> 2679: <title>Managing Attachments</title> 2680: <script> 2681: function setAction () { 2682: document.modattachments.action = document.modattachments.origpage.value; 2683: document.modattachments.submit(); 2684: } 2685: </script> 2686: </head> 2687: $bodytag 2688: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2689: <table border="2"> 2690: <tr> 2691: <td> 2692: <b>Subject:</b> $subject</b><br /><br /> 2693: END 2694: if ($idx) { 2695: if ($attachmenturls) { 2696: my @currold = keys %currattach; 2697: if (@currold > 0) { 2698: $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"); 2699: foreach my $id (@currold) { 2700: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 2701: $attachurl =~ m#/([^/]+)$#; 2702: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 2703: } 2704: $r->print("<br />"); 2705: } 2706: } 2707: } 2708: if (@{$currnewattach} > 0) { 2709: $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"); 2710: foreach (@{$currnewattach}) { 2711: $_ =~ m#/([^/]+)$#; 2712: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'</label><br />'."\n"); 2713: } 2714: $r->print("<br />"); 2715: } 2716: $r->print(<<END); 2717: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 2718: </td> 2719: </tr> 2720: </table> 2721: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 2722: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 2723: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 2724: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 2725: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 2726: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 2727: <input type="hidden" name="anondiscuss" value="$env{'form.anondiscuss'}" /> 2728: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 2729: END 2730: foreach (@{$currnewattach}) { 2731: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 2732: } 2733: foreach (@{$currdelold}) { 2734: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 2735: } 2736: $r->print(<<END); 2737: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/> 2738: </form> 2739: </body> 2740: </html> 2741: END 2742: return; 2743: } 2744: 2745: sub process_attachments { 2746: my ($currnewattach,$currdelold,$keepold) = @_; 2747: 2748: @{$currnewattach}= 2749: &Apache::loncommon::get_env_multiple('form.currnewattach'); 2750: @{$currdelold}= 2751: &Apache::loncommon::get_env_multiple('form.deloldattach'); 2752: if (exists($env{'form.delnewattach'})) { 2753: my @currdelnew = 2754: &Apache::loncommon::get_env_multiple('form.delnewattach'); 2755: my @currnew = (); 2756: foreach my $newone (@{$currnewattach}) { 2757: my $delflag = 0; 2758: foreach (@currdelnew) { 2759: if ($newone eq $_) { 2760: $delflag = 1; 2761: last; 2762: } 2763: } 2764: unless ($delflag) { 2765: push @currnew, $newone; 2766: } 2767: } 2768: @{$currnewattach} = @currnew; 2769: } 2770: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 2771: } 2772: 2773: sub generate_attachments_button { 2774: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_; 2775: my $origpage = $ENV{'REQUEST_URI'}; 2776: my $att=$attachnum.' '.&mt("attachments"); 2777: my $response = (<<END); 2778: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 2779: Click to add/remove attachments: <input type="button" value="$att" 2780: 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); 2781: END 2782: unless ($mode eq 'board') { 2783: $response .= 'javascript:anonchk();'; 2784: } 2785: $response .= (<<ENDATTACH); 2786: this.form.submit();" /> 2787: <input type="hidden" name="origpage" value="$origpage" /> 2788: <input type="hidden" name="idx" value="$idx" /> 2789: <input type="hidden" name="timestamp" value="$now" /> 2790: <input type="hidden" name="subject" /> 2791: <input type="hidden" name="comment" /> 2792: <input type="hidden" name="anondiscuss" value = "0" /> 2793: <input type="hidden" name="discuss" value = "0" /> 2794: <input type="hidden" name="numoldver" value="$numoldver" /> 2795: ENDATTACH 2796: if (defined($deloldattach)) { 2797: if (@{$deloldattach} > 0) { 2798: foreach (@{$deloldattach}) { 2799: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"; 2800: } 2801: } 2802: } 2803: if (defined($currnewattach)) { 2804: if (@{$currnewattach} > 0) { 2805: foreach (@{$currnewattach}) { 2806: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 2807: } 2808: } 2809: } 2810: $response .= '</form>'; 2811: return $response; 2812: } 2813: 2814: sub extract_attachments { 2815: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 2816: %{$attachments}=(); 2817: &get_post_attachments($attachments,$attachmenturls); 2818: foreach my $id (sort keys %{$attachments}) { 2819: if (exists($$attachments{$id}{$numoldver})) { 2820: if (defined($currdelold)) { 2821: if (@{$currdelold} > 0) { 2822: unless (grep/^$id$/,@{$currdelold}) { 2823: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2824: } 2825: } else { 2826: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2827: } 2828: } else { 2829: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2830: } 2831: } 2832: } 2833: my @attached = (sort { $a <=> $b } keys %{$currattach}); 2834: if (@attached == 1) { 2835: my $id = $attached[0]; 2836: my $attachurl; 2837: if ($attachmenturls =~ m/^<attachment id="0">/) { 2838: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2839: } else { 2840: $attachurl = $$attachments{$id}{'filename'}; 2841: } 2842: $attachurl=~m|/([^/]+)$|; 2843: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 2844: $1.'</tt></a><br />'; 2845: &Apache::lonnet::allowuploaded('/adm/feedback', 2846: $attachurl); 2847: } elsif (@attached > 1) { 2848: $$message.='<ol>'; 2849: foreach (@attached) { 2850: my $id = $_; 2851: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2852: my ($fname) 2853: =($attachurl=~m|/([^/]+)$|); 2854: $$message .= '<li><a href="'.$attachurl. 2855: '"><tt>'. 2856: $fname.'</tt></a></li>'; 2857: &Apache::lonnet::allowuploaded('/adm/feedback', 2858: $attachurl); 2859: } 2860: $$message .= '</ol>'; 2861: } 2862: } 2863: 2864: sub construct_attachmenturl { 2865: my ($currnewattach,$keepold,$symb,$idx)=@_; 2866: my $oldattachmenturl; 2867: my $newattachmenturl; 2868: my $startnum = 0; 2869: my $currver = 0; 2870: if (($env{'form.editdisc'}) && ($idx)) { 2871: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2872: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2873: $env{'course.'.$env{'request.course.id'}.'.num'}); 2874: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 2875: if ($contrib{$idx.':history'}) { 2876: if ($contrib{$idx.':history'} =~ /:/) { 2877: my @oldversions = split/:/,$contrib{$idx.':history'}; 2878: $currver = 1 + scalar(@oldversions); 2879: } else { 2880: $currver = 2; 2881: } 2882: } else { 2883: $currver = 1; 2884: } 2885: if ($oldattachmenturl) { 2886: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 2887: my %attachments = (); 2888: my $prevver = $currver-1; 2889: &get_post_attachments(\%attachments,$oldattachmenturl); 2890: my $numattach = scalar(keys %attachments); 2891: $startnum += $numattach; 2892: foreach my $num (sort {$a <=> $b} keys %attachments) { 2893: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 2894: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) { 2895: unless ($_ eq 'filename') { 2896: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>'; 2897: } 2898: } 2899: if (grep/^$num$/,@{$keepold}) { 2900: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 2901: } 2902: $newattachmenturl .= '</attachment>'; 2903: } 2904: } else { 2905: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 2906: unless (grep/^0$/,@{$keepold}) { 2907: $newattachmenturl .= '<post id="1">n</post>'; 2908: } 2909: $newattachmenturl .= '</attachment>'; 2910: $startnum ++; 2911: } 2912: } 2913: } 2914: for (my $i=0; $i<@{$currnewattach}; $i++) { 2915: my $attachnum = $startnum + $i; 2916: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 2917: } 2918: return $newattachmenturl; 2919: } 2920: 2921: sub has_discussion { 2922: my $resourcesref = shift; 2923: my $navmap = Apache::lonnavmaps::navmap->new(); 2924: my @allres=$navmap->retrieveResources(); 2925: foreach my $resource (@allres) { 2926: if ($resource->hasDiscussion()) { 2927: my $ressymb = $resource->wrap_symb(); 2928: push @{$resourcesref}, $ressymb; 2929: } 2930: } 2931: return; 2932: } 2933: 2934: sub sort_filter_names { 2935: my ($sort_types,$role_types,$status_types) = @_; 2936: %{$sort_types} = ( 2937: ascdate => 'Date order - oldest first', 2938: descdate => 'Date order - newest first', 2939: thread => 'Threaded', 2940: subject => 'By subject', 2941: username => 'By domain and username', 2942: lastfirst => 'By last name, first name' 2943: ); 2944: %{$role_types} = ( 2945: all => 'All roles', 2946: st => 'Students', 2947: cc => 'Course Coordinators', 2948: in => 'Instructors', 2949: ta => 'TAs', 2950: ep => 'Exam proctors', 2951: ad => 'Administrators', 2952: cr => 'Custom roles' 2953: ); 2954: %{$status_types} = ( 2955: all => 'Roles of any status', 2956: Active => 'Only active roles', 2957: Expired => 'Only inactive roles' 2958: ); 2959: } 2960: 2961: sub handler { 2962: my $r = shift; 2963: if ($r->header_only) { 2964: &Apache::loncommon::content_type($r,'text/html'); 2965: $r->send_http_header; 2966: return OK; 2967: } 2968: 2969: # --------------------------- Get query string for limited number of parameters 2970: 2971: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 2972: ['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']); 2973: 2974: if ($env{'form.discsymb'}) { 2975: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 2976: my $readkey = $symb.'_read'; 2977: my $chgcount = 0; 2978: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 2979: foreach my $key (keys %env) { 2980: if ($key =~ m/^form\.postunread_(\d+)/) { 2981: if ($readinghash{$readkey} =~ /\.$1\./) { 2982: $readinghash{$readkey} =~ s/\.$1\.//; 2983: $chgcount ++; 2984: } 2985: } elsif ($key =~ m/^form\.postread_(\d+)/) { 2986: unless ($readinghash{$readkey} =~ /\.$1\./) { 2987: $readinghash{$readkey} .= '.'.$1.'.'; 2988: $chgcount ++; 2989: } 2990: } 2991: } 2992: if ($chgcount > 0) { 2993: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 2994: \%readinghash,$env{'user.domain'},$env{'user.name'}); 2995: } 2996: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 2997: '0','0','',$env{'form.previous'},'','','',); 2998: return OK; 2999: } 3000: if ($env{'form.allversions'}) { 3001: &Apache::loncommon::content_type($r,'text/html'); 3002: $r->send_http_header; 3003: my $html=&Apache::lonxml::xmlbegin(); 3004: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions'); 3005: $r->print(<<END); 3006: $html 3007: <head> 3008: <title>Post Versions</title> 3009: <meta http-equiv="pragma" content="no-cache" /> 3010: </head> 3011: $bodytag 3012: END 3013: my $crs='/'.$env{'request.course.id'}; 3014: if ($env{'request.course.sec'}) { 3015: $crs.='_'.$env{'request.course.sec'}; 3016: } 3017: $crs=~s|_|/|g; 3018: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3019: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3020: ($symb)=&get_feedurl_and_clean_symb($symb); 3021: if ($idx > 0) { 3022: my %messages = (); 3023: my %subjects = (); 3024: my %attachmsgs = (); 3025: my %allattachments = (); 3026: my %imsfiles = (); 3027: my ($screenname,$plainname); 3028: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3029: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3030: $env{'course.'.$env{'request.course.id'}.'.num'}); 3031: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3032: } 3033: return OK; 3034: } 3035: if ($env{'form.posterlist'}) { 3036: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3037: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3038: $env{'form.sortposts'}); 3039: return OK; 3040: } 3041: if ($env{'form.userpick'}) { 3042: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3043: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3044: my $numpicks = @posters; 3045: my %discinfo; 3046: $discinfo{$symb.'_userpick'} = join('&',@posters); 3047: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3048: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3049: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0', 3050: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3051: $numpicks); 3052: return OK; 3053: } 3054: if ($env{'form.applysort'}) { 3055: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3056: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0', 3057: '',$env{'form.previous'},$env{'form.sortposts'}, 3058: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3059: $env{'form.sectionpick'}); 3060: return OK; 3061: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3062: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3063: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3064: return OK; 3065: } elsif ($env{'form.navtime'}) { 3066: my %discinfo = (); 3067: my @resources = (); 3068: if (defined($env{'form.navmaps'})) { 3069: if ($env{'form.navmaps'} =~ /:/) { 3070: @resources = split/:/,$env{'form.navmaps'}; 3071: } else { 3072: @resources = ("$env{'form.navmaps'}"); 3073: } 3074: } else { 3075: &has_discussion(\@resources); 3076: } 3077: my $numitems = @resources; 3078: my $feedurl = '/adm/navmaps'; 3079: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3080: my %lt = &Apache::lonlocal::texthash( 3081: 'mnpa' => 'Marked "New" posts as read in a total of', 3082: 'robb' => 'resources/bulletin boards.', 3083: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.' 3084: ); 3085: foreach (@resources) { 3086: my $ressymb=$_; 3087: &Apache::lonenc::check_decrypt(\$ressymb); 3088: my $lastkey = $ressymb.'_lastread'; 3089: $discinfo{$lastkey} = $env{'form.navtime'}; 3090: } 3091: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3092: if ($numitems > 0) { 3093: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3094: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3095: } else { 3096: $textline = "<b>$lt{'twnp'}</b>"; 3097: } 3098: &Apache::loncommon::content_type($r,'text/html'); 3099: $r->send_http_header; 3100: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3101: my $html=&Apache::lonxml::xmlbegin(); 3102: $r->print (<<ENDREDIR); 3103: $html 3104: <head> 3105: <title>New posts marked as read</title> 3106: <meta http-equiv="pragma" content="no-cache" /> 3107: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 3108: </head> 3109: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 3110: <img align="right" src="$logo" /> 3111: $textline 3112: <form name="reldt" action="$feedurl" target="loncapaclient"> 3113: </form> 3114: <br /><a href="$feedurl">Continue</a> 3115: </body> 3116: </html> 3117: ENDREDIR 3118: return OK; 3119: } elsif ($env{'form.modifydisp'}) { 3120: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3121: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3122: split(/_/,$env{'form.changes'}); 3123: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3124: $dispchgB,$markchg,$toggchg,$feedurl); 3125: return OK; 3126: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3127: $env{'form.allposts'} || $env{'form.onlyunread'} || 3128: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3129: $env{'form.toggon'} || $env{'form.markread'}) { 3130: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3131: my %discinfo; 3132: # ------------------------ Modify setting for read/unread toggle for each post 3133: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3134: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3135: # --------- Modify setting for identification of 'NEW' posts in this discussion 3136: if ($env{'form.markondisp'}) { 3137: $discinfo{$symb.'_lastread'} = time; 3138: $discinfo{$symb.'_markondisp'} = 1; 3139: } 3140: if ($env{'form.markonread'}) { 3141: if ( $env{'form.previous'} > 0 ) { 3142: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3143: } 3144: $discinfo{$symb.'_markondisp'} = 0; 3145: } 3146: # --------------------------------- Modify display setting for this discussion 3147: if ($env{'form.allposts'}) { 3148: $discinfo{$symb.'_showonlyunread'} = 0; 3149: $discinfo{$symb.'_showonlyunmark'} = 0; 3150: } 3151: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3152: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3153: # ----------------------------------------------------- Mark new posts not NEW 3154: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3155: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3156: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3157: my $previous=$env{'form.previous'}; 3158: if ($env{'form.markondisp'}) { $previous=undef; } 3159: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3160: '0','0','',$previous); 3161: return OK; 3162: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3163: # ----------------------------------------------------------------- Hide/unhide 3164: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3165: my ($symb,$idx)=split(/\:\:\:/,$entry); 3166: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3167: 3168: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3169: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3170: $env{'course.'.$env{'request.course.id'}.'.num'}); 3171: 3172: my $currenthidden=$contrib{'hidden'}; 3173: my $currentstudenthidden=$contrib{'studenthidden'}; 3174: 3175: my $crs='/'.$env{'request.course.id'}; 3176: if ($env{'request.course.sec'}) { 3177: $crs.='_'.$env{'request.course.sec'}; 3178: } 3179: $crs=~s/\_/\//g; 3180: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3181: 3182: if ($env{'form.hide'}) { 3183: $currenthidden.='.'.$idx.'.'; 3184: unless ($seeid) { 3185: $currentstudenthidden.='.'.$idx.'.'; 3186: } 3187: } else { 3188: $currenthidden=~s/\.$idx\.//g; 3189: } 3190: my %newhash=('hidden' => $currenthidden); 3191: if ( ($env{'form.hide'}) && (!$seeid) ) { 3192: $newhash{'studenthidden'} = $currentstudenthidden; 3193: } 3194: 3195: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3196: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3197: $env{'course.'.$env{'request.course.id'}.'.num'}); 3198: 3199: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3200: '0','0','',$env{'form.previous'}); 3201: return OK; 3202: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3203: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3204: if ($env{'form.cmd'} eq 'threadedon') { 3205: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3206: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on'); 3207: } else { 3208: &Apache::lonnet::del('environment',['threadeddiscussion']); 3209: &Apache::lonnet::delenv('environment\.threadeddiscussion'); 3210: } 3211: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3212: '0','0','',$env{'form.previous'}); 3213: return OK; 3214: } elsif ($env{'form.deldisc'}) { 3215: # --------------------------------------------------------------- Hide for good 3216: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3217: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3218: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3219: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3220: $env{'course.'.$env{'request.course.id'}.'.num'}); 3221: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3222: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3223: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3224: $env{'course.'.$env{'request.course.id'}.'.num'}); 3225: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3226: '0','0','',$env{'form.previous'}); 3227: return OK; 3228: } elsif ($env{'form.preview'}) { 3229: # -------------------------------------------------------- User wants a preview 3230: &show_preview($r); 3231: return OK; 3232: } elsif ($env{'form.attach'}) { 3233: # -------------------------------------------------------- Work on attachments 3234: &Apache::loncommon::content_type($r,'text/html'); 3235: $r->send_http_header; 3236: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']); 3237: my (@currnewattach,@currdelold,@keepold); 3238: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3239: if (exists($env{'form.addnewattach.filename'})) { 3240: unless (length($env{'form.addnewattach'})>131072) { 3241: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3242: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3243: push @currnewattach, $newattachment; 3244: } 3245: } 3246: my $attachmenturls; 3247: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3248: my $idx = $env{'form.idx'}; 3249: if ($idx) { 3250: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3251: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3252: $env{'course.'.$env{'request.course.id'}.'.num'}); 3253: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3254: } 3255: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3256: $attachmenturls); 3257: return OK; 3258: } elsif ($env{'form.export'}) { 3259: &Apache::loncommon::content_type($r,'text/html'); 3260: $r->send_http_header; 3261: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3262: my $mode='board'; 3263: my $status='OPEN'; 3264: my $previous=$env{'form.previous'}; 3265: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3266: $mode='problem'; 3267: $status=$Apache::inputtags::status[-1]; 3268: } 3269: my $discussion = &list_discussion($mode,$status,$symb); 3270: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion'); 3271: $r->print($bodytag.$discussion); 3272: return OK; 3273: } else { 3274: # ------------------------------------------------------------- Normal feedback 3275: my $feedurl=$env{'form.postdata'}; 3276: $feedurl=~s/^http\:\/\///; 3277: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3278: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3279: $feedurl=~s/\?.+$//; 3280: 3281: my $symb; 3282: if ($env{'form.replydisc'}) { 3283: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3284: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3285: $feedurl=&Apache::lonnet::clutter($url); 3286: } elsif ($env{'form.editdisc'}) { 3287: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3288: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3289: $feedurl=&Apache::lonnet::clutter($url); 3290: } elsif ($env{'form.origpage'}) { 3291: $symb=""; 3292: } else { 3293: $symb=&Apache::lonnet::symbread($feedurl); 3294: } 3295: unless ($symb) { 3296: $symb=$env{'form.symb'}; 3297: if ($symb) { 3298: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3299: $feedurl=&Apache::lonnet::clutter($url); 3300: } 3301: } 3302: &Apache::lonenc::check_decrypt(\$symb); 3303: my $goahead=1; 3304: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3305: unless ($symb) { $goahead=0; } 3306: } 3307: # backward compatibility (bulletin boards used to be 'wrapped') 3308: &dewrapper(\$feedurl); 3309: if (!$goahead) { 3310: # Ambiguous Problem Resource 3311: $r->internal_redirect('/adm/ambiguous'); 3312: return OK; 3313: } 3314: # Go ahead with feedback, no ambiguous reference 3315: unless ( 3316: ( 3317: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3318: ) 3319: || 3320: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3321: || 3322: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3323: ) { 3324: &Apache::loncommon::content_type($r,'text/html'); 3325: $r->send_http_header; 3326: # Unable to give feedback 3327: &no_redirect_back($r,$feedurl); 3328: } 3329: # --------------------------------------------------- Print login screen header 3330: unless ($env{'form.sendit'}) { 3331: &Apache::loncommon::content_type($r,'text/html'); 3332: $r->send_http_header; 3333: my $options=&screen_header($feedurl,$symb); 3334: if ($options) { 3335: &mail_screen($r,$feedurl,$options); 3336: } else { 3337: &fail_redirect($r,$feedurl); 3338: } 3339: return OK; 3340: } 3341: 3342: # Get previous user input 3343: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3344: $symb,$env{'user.name'},$env{'user.domain'}, 3345: $env{'request.course.id'}); 3346: 3347: # Get output from resource 3348: my $usersaw=&resource_output($feedurl); 3349: 3350: # Get resource answer (need to allow student to view grades for this to work) 3351: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 3352: my $useranswer=&Apache::loncommon::get_student_answers( 3353: $symb,$env{'user.name'},$env{'user.domain'}, 3354: $env{'request.course.id'}); 3355: &Apache::lonnet::delenv('allowed.vgr'); 3356: # Get attachments, if any, and not too large 3357: my $attachmenturl=''; 3358: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3359: ($env{'form.replydisc'})) { 3360: my ($symb,$idx); 3361: if ($env{'form.replydisc'}) { 3362: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3363: } elsif ($env{'form.editdisc'}) { 3364: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3365: } elsif ($env{'form.origpage'}) { 3366: $symb = $env{'form.symb'}; 3367: } 3368: &Apache::lonenc::check_decrypt(\$symb); 3369: my @currnewattach = (); 3370: my @deloldattach = (); 3371: my @keepold = (); 3372: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3373: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3374: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3375: } elsif ($env{'form.attachment.filename'}) { 3376: unless (length($env{'form.attachment'})>131072) { 3377: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback'); 3378: } 3379: } 3380: # Filter HTML out of message (could be nasty) 3381: my $message=&clear_out_html($env{'form.comment'}); 3382: 3383: # Assemble email 3384: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts, 3385: $usersaw,$useranswer); 3386: 3387: # Who gets this? 3388: my ($typestyle,%to) = &decide_receiver($feedurl); 3389: 3390: # Actually send mail 3391: my ($status,$numsent)=&send_msg($feedurl,$email,$citations, 3392: $attachmenturl,%to); 3393: 3394: # Discussion? Store that. 3395: 3396: my $numpost=0; 3397: if ($env{'form.discuss'} || $env{'form.anondiscuss'}) { 3398: my $subject = &clear_out_html($env{'form.subject'}); 3399: my $anonmode=(defined($env{'form.anondiscuss'})); 3400: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3401: $subject); 3402: $numpost++; 3403: } 3404: 3405: # Receipt screen and redirect back to where came from 3406: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$env{'form.previous'}); 3407: } 3408: return OK; 3409: } 3410: 3411: sub wrap_symb { 3412: my ($ressymb)=@_; 3413: if ($ressymb =~ /bulletin___\d+___/) { 3414: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3415: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3416: } 3417: } 3418: return $ressymb; 3419: } 3420: sub dewrapper { 3421: my ($feedurl)=@_; 3422: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3423: $$feedurl=~s|^/adm/wrapper||; 3424: } 3425: } 3426: 3427: sub get_feedurl { 3428: my ($symb)=@_; 3429: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3430: my $feedurl = &Apache::lonnet::clutter($url); 3431: &dewrapper(\$feedurl); 3432: return $feedurl; 3433: } 3434: 3435: sub get_feedurl_and_clean_symb { 3436: my ($symb)=@_; 3437: &Apache::lonenc::check_decrypt(\$symb); 3438: # backward compatibility (bulletin boards used to be 'wrapped') 3439: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3440: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3441: } 3442: my $feedurl = &get_feedurl($symb); 3443: return ($symb,$feedurl); 3444: } 3445: 1; 3446: __END__