loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.173: download - view: text, annotated - select for diffs
Thu Nov 10 11:31:04 2005 UTC (18 years, 6 months ago) by www
Branches: MAIN
CVS tags: HEAD

Bug #4413: Anonymous not talking to Anonymous (number participants)
Links to appropriate preferences
Deal with "+" in filenames (need to escape symb in links)

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.173 2005/11/10 11:31:04 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: my %anonhash=(); 241: my $anoncnt=0; 242: my $target=''; 243: unless ($env{'browser.interface'} eq 'textual' || 244: $env{'environment.remote'} eq 'off' ) { 245: $target='target="LONcom"'; 246: } 247: 248: my $now = time; 249: $discinfo{$visitkey} = $visit; 250: 251: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 252: &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,\%anonhash,$anoncnt); 253: 254: my $discussion=''; 255: my $manifestfile; 256: my $manifestok=0; 257: my $tempexport; 258: my $imsresources; 259: my $copyresult; 260: 261: my $function = &Apache::loncommon::get_users_function(); 262: my $color = &Apache::loncommon::designparm($function.'.tabbg', 263: $env{'user.domain'}); 264: my %lt = &Apache::lonlocal::texthash( 265: 'cuse' => 'Current discussion settings', 266: 'allposts' => 'All posts', 267: 'unread' => 'New posts only', 268: 'unmark' => 'Unread only', 269: 'ondisp' => 'Once displayed', 270: 'onmark' => 'Once marked not NEW', 271: 'toggoff' => 'Off', 272: 'toggon' => 'On', 273: 'disa' => 'Posts to be displayed', 274: 'npce' => 'Posts cease to be marked "NEW"', 275: 'epcb' => 'Each post can be toggled read/unread', 276: 'chgt' => 'Change', 277: 'disp' => 'Display', 278: 'nolo' => 'Not new', 279: 'togg' => 'Toggle read/unread', 280: ); 281: 282: my $currdisp = $lt{'allposts'}; 283: my $currmark = $lt{'onmark'}; 284: my $currtogg = $lt{'toggoff'}; 285: my $dispchange = $lt{'unread'}; 286: my $markchange = $lt{'ondisp'}; 287: my $toggchange = $lt{'toggon'}; 288: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 289: my $displinkA = 'onlyunread'; 290: my $displinkB = 'onlyunmark'; 291: my $marklink = 'markondisp'; 292: my $togglink = 'toggon'; 293: 294: if ($markondisp) { 295: $currmark = $lt{'ondisp'}; 296: $markchange = $lt{'onmark'}; 297: $marklink = 'markonread'; 298: } 299: 300: if ($showonlyunread) { 301: $currdisp = $lt{'unread'}; 302: $dispchange = $lt{'allposts'}; 303: $displinkA = 'allposts'; 304: } 305: 306: if ($showunmark) { 307: $currdisp = $lt{'unmark'}; 308: $dispchange = $lt{'unmark'}; 309: $displinkA='allposts'; 310: $displinkB='onlyunread'; 311: $showonlyunread = 0; 312: } 313: 314: if ($dischash{$toggkey}) { 315: $currtogg = $lt{'toggon'}; 316: $toggchange = $lt{'toggoff'}; 317: $togglink = 'toggoff'; 318: } 319: 320: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 321: 322: if ($newpostsflag) { 323: $chglink .= '&previous='.$prevread; 324: } 325: 326: if ($visible) { 327: # Print the discusssion 328: if ($outputtarget eq 'tex') { 329: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 330: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 331: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 332: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 333: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 334: } elsif ($outputtarget eq 'export') { 335: # Create temporary directory if this is an export 336: my $now = time; 337: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 338: $tempexport = $$imsextras{'tempexport'}; 339: if (!-e $tempexport) { 340: mkdir($tempexport,0700); 341: } 342: $tempexport .= '/'.$$imsextras{'count'}; 343: if (!-e $tempexport) { 344: mkdir($tempexport,0700); 345: } 346: } else { 347: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 348: if (!-e $tempexport) { 349: mkdir($tempexport,0700); 350: } 351: $tempexport .= '/'.$now; 352: if (!-e $tempexport) { 353: mkdir($tempexport,0700); 354: } 355: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 356: } 357: if (!-e $tempexport) { 358: mkdir($tempexport,0700); 359: } 360: # open manifest file 361: my $manifest = '/imsmanifest.xml'; 362: my $manifestfilename = $tempexport.$manifest; 363: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 364: $manifestok=1; 365: print $manifestfile qq| 366: <?xml version="1.0" encoding="UTF-8"?> 367: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 368: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 369: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 370: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 371: <organizations default="$ressymb"> 372: <organization identifier="$ressymb"> 373: <title>Discussion for $ressymb</title>\n|; 374: } else { 375: $discussion .= 'An error occurred opening the manifest file.<br />'; 376: } 377: } else { 378: my $colspan=$maxdepth+1; 379: $discussion.= qq| 380: <script> 381: function studentdelete (symb,idx,newflag,previous) { 382: var symbparm = symb+':::'+idx 383: var prevparm = "" 384: if (newflag == 1) { 385: prevparm = "&previous="+previous 386: } 387: 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")) { 388: document.location.href = "/adm/feedback?hide="+symbparm+prevparm 389: } 390: } 391: </script> 392: |; 393: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">'; 394: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'. 395: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>'; 396: my $escsymb=&Apache::lonnet::escape($ressymb); 397: if ($visible>2) { 398: $discussion.='<td align="left">'. 399: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 400: if ($newpostsflag) { 401: $discussion .= '&previous='.$prevread; 402: } 403: $discussion .='">'.&mt('Threaded View').'</a>  '. 404: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 405: if ($newpostsflag) { 406: $discussion .= '&previous='.$prevread; 407: } 408: $discussion .='">'.&mt('Chronological View').'</a>   409: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb; 410: if ($newpostsflag) { 411: $discussion .= '&previous='.$prevread; 412: } 413: $discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp'; 414: } else { 415: $discussion .= '<td align="left">'; 416: } 417: $discussion .='<a href= "/adm/feedback?export='.$escsymb; 418: if ($newpostsflag) { 419: $discussion .= '&previous='.$prevread; 420: } 421: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 422: if ($newpostsflag) { 423: if (!$markondisp) { 424: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions">'. 425: &mt('Preferences on what is marked as NEW'). 426: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb.'">'.&mt('Mark NEW posts no longer new').'</a>'; 427: } else { 428: $discussion .= '<td> </td>'; 429: } 430: } else { 431: $discussion .= '<td> </td>'; 432: } 433: $discussion .= '</tr></table></td></tr>'; 434: 435: my $numhidden = keys %notshown; 436: if ($numhidden > 0) { 437: my $colspan = $maxdepth+1; 438: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 439: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 440: if ($newpostsflag) { 441: $discussion .= '&previous='.$prevread; 442: } 443: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 444: $numhidden.' '; 445: if ($showunmark) { 446: $discussion .= &mt('posts previously marked read'); 447: } else { 448: $discussion .= &mt('previously viewed posts'); 449: } 450: $discussion .= '<br/></td></tr>'; 451: } 452: } 453: 454: # Choose sort mechanism 455: my @showposts = (); 456: if ($sortposts eq 'descdate') { 457: @showposts = (sort { $b <=> $a } keys %alldiscussion); 458: } elsif ($sortposts eq 'thread') { 459: @showposts = (sort { $a <=> $b } keys %alldiscussion); 460: } elsif ($sortposts eq 'subject') { 461: foreach (sort keys %subjectsort) { 462: push @showposts, @{$subjectsort{$_}}; 463: } 464: } elsif ($sortposts eq 'username') { 465: foreach my $domain (sort keys %usernamesort) { 466: foreach (sort keys %{$usernamesort{$domain}}) { 467: push @showposts, @{$usernamesort{$domain}{$_}}; 468: } 469: } 470: } elsif ($sortposts eq 'lastfirst') { 471: foreach my $last (sort keys %namesort) { 472: foreach (sort keys %{$namesort{$last}}) { 473: push @showposts, @{$namesort{$last}{$_}}; 474: } 475: } 476: } else { 477: @showposts = (sort { $a <=> $b } keys %alldiscussion); 478: } 479: my $currdepth = 0; 480: my $firstidx = $alldiscussion{$showposts[0]}; 481: foreach (@showposts) { 482: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 483: $alldiscussion{$_} = $_; 484: } 485: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) { 486: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 487: $discussion.="\n<tr>"; 488: } 489: my $thisdepth=$depth[$alldiscussion{$_}]; 490: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 491: for (1..$thisdepth) { 492: $discussion.='<td>   </td>'; 493: } 494: } 495: my $colspan=$maxdepth-$thisdepth+1; 496: if ($outputtarget eq 'tex') { 497: #cleanup block 498: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 499: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 500: my $threadinsert=''; 501: if ($thisdepth > 0) { 502: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 503: } 504: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 505: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 506: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 507: 508: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}]; 509: $discussion.=$discussionitems[$alldiscussion{$_}]; 510: } elsif ($outputtarget eq 'export') { 511: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html'; 512: if ($manifestok) { 513: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) { 514: print $manifestfile ' </item>'."\n"; 515: } 516: $currdepth = $depth[$alldiscussion{$_}]; 517: print $manifestfile "\n". 518: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'. 519: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'. 520: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>'; 521: $imsresources .= "\n". 522: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n". 523: '<file href="'.$postfilename.'">'."\n". 524: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n". 525: '</resource>'; 526: } 527: my $postingfile; 528: my $postingfilename = $tempexport.'/'.$postfilename; 529: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 530: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 531: $imsitems{$alldiscussion{$_}}{'title'}.' '. 532: $imsitems{$alldiscussion{$_}}{'sender'}. 533: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'. 534: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'. 535: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n"; 536: close($postingfile); 537: } else { 538: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />'; 539: } 540: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport); 541: } else { 542: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}]. 543: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}]. 544: '</td></tr>'; 545: } 546: } 547: } 548: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 549: my $colspan=$maxdepth+1; 550: $discussion .= <<END; 551: <tr bgcolor="#FFFFFF"> 552: <td colspan="$colspan" valign="top"> 553: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2"> 554: <tr> 555: <td align="left"> 556: <table border="0" cellpadding="0" cellspacing="4"> 557: <tr> 558: <td> 559: <font size="-1"><b>$lt{'cuse'}</b>:</td> 560: <td> </td> 561: <td><font size="-1"> 562: END 563: if ($newpostsflag) { 564: $discussion .= 565: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 566: if ($dischash{$toggkey}) { 567: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 568: } 569: } else { 570: if ($dischash{$toggkey}) { 571: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 572: } else { 573: $discussion .= 574: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 575: } 576: } 577: $discussion .= <<END; 578: </font></td> 579: <td> </td> 580: <td align="left"> 581: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 582: </td> 583: </tr> 584: </table> 585: </td> 586: END 587: if ($sortposts) { 588: my %sort_types = (); 589: my %role_types = (); 590: my %status_types = (); 591: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 592: 593: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 594: if (defined($env{'form.totposters'})) { 595: $discussion .= &mt('Posts by').':'; 596: if ($totposters > 0) { 597: foreach my $poster (@posters) { 598: $poster =~ s/:/\@/; 599: $discussion .= ' '.$poster.','; 600: } 601: $discussion =~ s/,$//; 602: } else { 603: $discussion .= &mt('None selected'); 604: } 605: } else { 606: my $filterchoice =''; 607: if (@sectionpick > 0) { 608: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 609: $filterchoice .= '    '; 610: } 611: if (@rolefilter > 0) { 612: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 613: foreach (@rolefilter) { 614: $filterchoice .= ' '.$role_types{$_}.','; 615: } 616: $filterchoice =~ s/,$//; 617: $filterchoice .= '<br /> &nbsp    &nbsp '; 618: } 619: if ($statusfilter) { 620: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 621: } 622: if ($filterchoice) { 623: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 624: } 625: $discussion .= '</font></td>'; 626: } 627: } 628: if ($dischash{$toggkey}) { 629: my $storebutton = &mt('Store read/unread changes'); 630: $discussion.='<td align="right">'. 631: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n". 632: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 633: ' onClick="this.form.submit();">'."\n". 634: '</td>'; 635: } 636: $discussion .= (<<END); 637: </tr> 638: </table> 639: </td> 640: </tr> 641: </table> 642: <br /><br /></form> 643: END 644: } 645: if ($outputtarget eq 'export') { 646: if ($manifestok) { 647: while ($currdepth > 0) { 648: print $manifestfile " </item>\n"; 649: $currdepth --; 650: } 651: print $manifestfile qq| 652: </organization> 653: </organizations> 654: <resources> 655: $imsresources 656: </resources> 657: </manifest> 658: |; 659: close($manifestfile); 660: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 661: $discussion = $copyresult; 662: } else { 663: 664: #Create zip file in prtspool 665: 666: my $imszipfile = '/prtspool/'. 667: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 668: time.'_'.rand(1000000000).'.zip'; 669: my $cwd = &getcwd(); 670: my $imszip = '/home/httpd/'.$imszipfile; 671: chdir $tempexport; 672: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 673: close(OUTPUT); 674: chdir $cwd; 675: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />'; 676: if ($copyresult) { 677: $discussion .= 'The following errors occurred during export - <br />'.$copyresult; 678: } 679: } 680: } else { 681: $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 />'; 682: } 683: return $discussion; 684: } 685: } 686: if ($discussiononly) { 687: my $now = time; 688: my $attachnum = 0; 689: my $newattachmsg = ''; 690: my @currnewattach = (); 691: my @currdelold = (); 692: my $comment = ''; 693: my $subject = ''; 694: if ($env{'form.origpage'}) { 695: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 696: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 697: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 698: my @keepold = (); 699: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 700: if (@currnewattach > 0) { 701: $attachnum += @currnewattach; 702: } 703: } 704: if (&discussion_open($status)) { 705: $discussion.=(<<ENDDISCUSS); 706: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> 707: <input type="submit" name="discuss" value="Post Discussion" /> 708: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> 709: <input type="hidden" name="symb" value="$ressymb" /> 710: <input type="hidden" name="sendit" value="true" /> 711: <input type="hidden" name="timestamp" value="$now" /> 712: <br /><a name="newpost"></a> 713: <font size="1">Note: in anonymous discussion, your name is visible only 714: to course faculty</font><br /> 715: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 716: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 717: ENDDISCUSS 718: if ($env{'form.origpage'}) { 719: $discussion.='<input type="hidden" name="origpage" value="'.$env{'form.origpage'}.'" />'."\n"; 720: foreach (@currnewattach) { 721: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 722: } 723: } 724: $discussion.="</form>\n"; 725: if ($outputtarget ne 'tex') { 726: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode); 727: if (@currnewattach > 0) { 728: $newattachmsg .= '<b>New attachments</b><br />'; 729: if (@currnewattach > 1) { 730: $newattachmsg .= '<ol>'; 731: foreach my $item (@currnewattach) { 732: $item =~ m#.*/([^/]+)$#; 733: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 734: } 735: $newattachmsg .= '</ol>'."\n"; 736: } else { 737: $currnewattach[0] =~ m#.*/([^/]+)$#; 738: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 739: } 740: } 741: $discussion.=$newattachmsg; 742: $discussion.=&generate_preview_button(); 743: } 744: } 745: } else { 746: if (&discussion_open($status) && 747: &Apache::lonnet::allowed('pch', 748: $env{'request.course.id'}. 749: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 750: if ($outputtarget ne 'tex') { 751: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='. 752: &Apache::lonnet::escape($ressymb).':::" '.$target.'>'. 753: '<img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'. 754: &mt('Post Discussion').'</a></td></tr></table>'; 755: } 756: } 757: } 758: return $discussion; 759: } 760: 761: sub build_posting_display { 762: 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,$anonhash,$anoncnt) = @_; 763: my @original=(); 764: my @index=(); 765: my $symb=&Apache::lonenc::check_decrypt($ressymb); 766: my $escsymb=&Apache::lonnet::escape($ressymb); 767: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 768: $env{'course.'.$env{'request.course.id'}.'.domain'}, 769: $env{'course.'.$env{'request.course.id'}.'.num'}); 770: 771: if ($contrib{'version'}) { 772: my $oldest = $contrib{'1:timestamp'}; 773: if ($prevread eq '0') { 774: $prevread = $oldest-1; 775: } 776: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 777: if ($sortposts) { 778: ($skiptest,$roleregexp,$secregexp,$statusregexp) = &filter_regexp($rolefilter,$sectionpick,$statusfilter); 779: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 780: } 781: for (my $id=1;$id<=$contrib{'version'};$id++) { 782: my $idx=$id; 783: my $posttime = $contrib{$idx.':timestamp'}; 784: if ($prevread <= $posttime) { 785: $$newpostsflag = 1; 786: } 787: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 788: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 789: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 790: my $origindex='0.'; 791: my $numoldver=0; 792: if ($contrib{$idx.':replyto'}) { 793: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 794: # this is a follow-up message 795: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 796: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 797: $origindex=$index[$contrib{$idx.':replyto'}]; 798: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 799: } else { 800: $original[$idx]=0; 801: $$depth[$idx]=0; 802: } 803: } else { 804: # this is an original message 805: $original[$idx]=0; 806: $$depth[$idx]=0; 807: } 808: if ($$replies[$$depth[$idx]]) { 809: $$replies[$$depth[$idx]]++; 810: } else { 811: $$replies[$$depth[$idx]]=1; 812: } 813: unless ((($hidden) && (!$seeid)) || ($deleted)) { 814: $$visible++; 815: if ($contrib{$idx.':history'}) { 816: if ($contrib{$idx.':history'} =~ /:/) { 817: my @oldversions = split/:/,$contrib{$idx.':history'}; 818: $numoldver = @oldversions; 819: } else { 820: $numoldver = 1; 821: } 822: } 823: $$current = $numoldver; 824: my %messages = (); 825: my %subjects = (); 826: my %attachtxt = (); 827: my %allattachments = (); 828: my ($screenname,$plainname); 829: my $sender = &mt('Anonymous'); 830: # Anonymous users getting number within a discussion 831: # Since idx is in static order, this should give the same sequence every time. 832: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 833: unless ($$anonhash{$key}) { 834: $anoncnt++; 835: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 836: } 837: my ($message,$subject,$vgrlink,$ctlink); 838: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 839: 840: 841: # Set up for sorting by subject 842: unless ($outputtarget eq 'export') { 843: $message=$messages{$numoldver}; 844: $message.=$attachtxt{$numoldver}; 845: $subject=$subjects{$numoldver}; 846: if ($message) { 847: if ($hidden) { 848: $message='<font color="#888888">'.$message.'</font>'; 849: if ($studenthidden) { 850: $message .='<br /><br />Deleted by poster (student).'; 851: } 852: } 853: 854: if ($subject eq '') { 855: if (defined($$subjectsort{'__No subject'})) { 856: push @{$$subjectsort{'__No subject'}}, $idx; 857: } else { 858: @{$$subjectsort{'__No subject'}} = ("$idx"); 859: } 860: } else { 861: if (defined($$subjectsort{$subject})) { 862: push @{$$subjectsort{$subject}}, $idx; 863: } else { 864: @{$$subjectsort{$subject}} = ("$idx"); 865: } 866: } 867: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 868: $sender=&Apache::loncommon::aboutmewrapper( 869: $plainname, 870: $contrib{$idx.':sendername'}, 871: $contrib{$idx.':senderdomain'}).' ('. 872: $contrib{$idx.':sendername'}.' at '. 873: $contrib{$idx.':senderdomain'}.')'; 874: if ($contrib{$idx.':anonymous'}) { 875: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 876: $screenname; 877: } 878: 879: # Set up for sorting by domain, then username 880: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 881: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 882: } 883: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 884: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx; 885: } else { 886: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 887: } 888: # Set up for sorting by last name, then first name 889: my %names = &Apache::lonnet::get('environment', 890: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 891: ,$contrib{$idx.':sendername'}); 892: my $lastname = $names{'lastname'}; 893: my $firstname = $names{'firstname'}; 894: if ($lastname eq '') { 895: $lastname = '_'; 896: } 897: if ($firstname eq '') { 898: $firstname = '_'; 899: } 900: unless (defined($$namesort{$lastname})) { 901: %{$$namesort{$lastname}} = (); 902: } 903: if (defined($$namesort{$lastname}{$firstname})) { 904: push @{$$namesort{$lastname}{$firstname}}, $idx; 905: } else { 906: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 907: } 908: if ($env{'course.'.$env{'request.course.id'}.'.allow_discussion_post_editing'} =~ m/yes/i) { 909: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 910: $sender.=' <a href="/adm/feedback?editdisc='. 911: $escsymb.':::'.$idx; 912: if ($newpostsflag) { 913: $sender .= '&previous='.$prevread; 914: } 915: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 916: unless ($seeid) { 917: $sender.=" <a href=\"javascript:studentdelete('$escsymb','$idx','$newpostsflag','$prevread')"; 918: $sender .= '">'.&mt('Delete').'</a>'; 919: } 920: } 921: } 922: if ($seeid) { 923: if ($hidden) { 924: unless ($studenthidden) { 925: $sender.=' <a href="/adm/feedback?unhide='. 926: $escsymb.':::'.$idx; 927: if ($newpostsflag) { 928: $sender .= '&previous='.$prevread; 929: } 930: $sender .= '">'.&mt('Make Visible').'</a>'; 931: } 932: } else { 933: $sender.=' <a href="/adm/feedback?hide='. 934: $escsymb.':::'.$idx; 935: if ($newpostsflag) { 936: $sender .= '&previous='.$prevread; 937: } 938: $sender .= '">'.&mt('Hide').'</a>'; 939: } 940: $sender.=' <a href="/adm/feedback?deldisc='. 941: $escsymb.':::'.$idx; 942: if ($newpostsflag) { 943: $sender .= '&previous='.$prevread; 944: } 945: $sender .= '">'.&mt('Delete').'</a>'; 946: } 947: } else { 948: if ($screenname) { 949: $sender='<i>'.$screenname.'</i>'; 950: } else { 951: $sender='<i>'.$$anonhash{$key}.'</i>'; 952: } 953: # Set up for sorting by domain, then username for anonymous 954: unless (defined($$usernamesort{'__anon'})) { 955: %{$$usernamesort{'__anon'}} = (); 956: } 957: if (defined($$usernamesort{'__anon'}{'__anon'})) { 958: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx; 959: } else { 960: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 961: } 962: # Set up for sorting by last name, then first name for anonymous 963: unless (defined($$namesort{'__anon'})) { 964: %{$$namesort{'__anon'}} = (); 965: } 966: if (defined($$namesort{'__anon'}{'__anon'})) { 967: push @{$$namesort{'__anon'}{'__anon'}}, $idx; 968: } else { 969: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 970: } 971: } 972: if (&discussion_open($status) && 973: &Apache::lonnet::allowed('pch', 974: $env{'request.course.id'}. 975: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 976: $sender.=' <a href="/adm/feedback?replydisc='. 977: $escsymb.':::'.$idx; 978: if ($newpostsflag) { 979: $sender .= '&previous='.$prevread; 980: } 981: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 982: } 983: if ($viewgrades) { 984: $vgrlink=&Apache::loncommon::submlink('Submissions', 985: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 986: } 987: if ($$dischash{$readkey}=~/\.$idx\./) { 988: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 989: } else { 990: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 991: } 992: } 993: #figure out at what position this needs to print 994: } 995: if ($outputtarget eq 'export' || $message) { 996: my $thisindex=$idx; 997: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 998: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 999: } 1000: $$alldiscussion{$thisindex}=$idx; 1001: $$shown{$idx} = 0; 1002: $index[$idx]=$thisindex; 1003: } 1004: if ($outputtarget eq 'export') { 1005: %{$$imsitems{$idx}} = (); 1006: $$imsitems{$idx}{'isvisible'}='true'; 1007: if ($hidden) { 1008: $$imsitems{$idx}{'isvisible'}='false'; 1009: } 1010: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1011: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1012: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1013: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1014: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1015: $contrib{$idx.':sendername'}.' at '. 1016: $contrib{$idx.':senderdomain'}.')'; 1017: $$imsitems{$idx}{'isanonymous'}='false'; 1018: if ($contrib{$idx.':anonymous'}) { 1019: $$imsitems{$idx}{'isanonymous'}='true'; 1020: } 1021: $$imsitems{$idx}{'currversion'}=$numoldver; 1022: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1023: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1024: $$shown{$idx} = 1; 1025: } 1026: } else { 1027: if ($message) { 1028: my $spansize = 2; 1029: if ($showonlyunread && $prevread > $posttime) { 1030: $$notshown{$idx} = 1; 1031: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1032: $$notshown{$idx} = 1; 1033: } else { 1034: # apply filters 1035: my $uname = $contrib{$idx.':sendername'}; 1036: my $udom = $contrib{$idx.':senderdomain'}; 1037: my $poster = $uname.':'.$udom; 1038: if (defined($env{'form.totposters'})) { 1039: if ($totposters == 0) { 1040: $$shown{$idx} = 0; 1041: } elsif ($totposters > 0) { 1042: if (grep/^$poster$/,@{$posters}) { 1043: $$shown{$idx} = 1; 1044: } 1045: } 1046: } elsif ($sortposts) { 1047: if ($skiptest) { 1048: $$shown{$idx} = 1; 1049: } else { 1050: foreach my $role (@{$$roleinfo{$poster}}) { 1051: if ($role =~ /^cc:/) { 1052: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1053: if ($role =~ /$cc_regexp/) { 1054: $$shown{$idx} = 1; 1055: last; 1056: } 1057: } elsif ($role =~ /^$rolematch$/) { 1058: $$shown{$idx} = 1; 1059: last; 1060: } 1061: } 1062: } 1063: } else { 1064: $$shown{$idx} = 1; 1065: } 1066: } 1067: unless ($$notshown{$idx} == 1) { 1068: if ($prevread > 0 && $prevread <= $posttime) { 1069: $$newitem{$idx} = 1; 1070: $$discussionitems[$idx] .= ' 1071: <p><table border="0" width="100%"> 1072: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>'; 1073: } else { 1074: $$newitem{$idx} = 0; 1075: $$discussionitems[$idx] .= ' 1076: <p><table border="0" width="100%"> 1077: <tr><td align="left"> </td>'; 1078: } 1079: $$discussionitems[$idx] .= '<td align ="left">  '. 1080: '<b>'.$subject.'</b>  '. 1081: $sender.'</b> '.$vgrlink.' ('. 1082: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1083: if ($$dischash{$toggkey}) { 1084: $$discussionitems[$idx].='<td align="right">  '. 1085: $ctlink.'</td>'; 1086: } 1087: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1088: $message.'</blockquote></p>'; 1089: if ($contrib{$idx.':history'}) { 1090: my @postversions = (); 1091: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1092: if ($seeid) { 1093: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx.'">'.&mt('Display all versions').'</a>'; 1094: } 1095: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1096: if ($contrib{$idx.':history'} =~ m/:/) { 1097: @postversions = split/:/,$contrib{$idx.':history'}; 1098: } else { 1099: @postversions = ("$contrib{$idx.':history'}"); 1100: } 1101: for (my $i=0; $i<@postversions; $i++) { 1102: my $version = $i+1; 1103: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1104: } 1105: } 1106: } 1107: } 1108: } 1109: } 1110: } 1111: } 1112: } 1113: 1114: sub filter_regexp { 1115: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1116: my ($roleregexp,$secregexp,$statusregexp); 1117: my $skiptest = 1; 1118: if (@{$rolefilter} > 0) { 1119: my @okrolefilter = (); 1120: foreach (@{$rolefilter}) { 1121: unless ($_ eq '') { 1122: push @okrolefilter, $_; 1123: } 1124: } 1125: if (@okrolefilter > 0) { 1126: if (grep/^all$/,@okrolefilter) { 1127: $roleregexp='[^:]+'; 1128: } else { 1129: if (@okrolefilter == 1) { 1130: $roleregexp=$okrolefilter[0]; 1131: } else { 1132: $roleregexp='('.join('|',@okrolefilter).')'; 1133: } 1134: $skiptest = 0; 1135: } 1136: } 1137: } 1138: if (@{$sectionpick} > 0) { 1139: my @oksectionpick = (); 1140: foreach (@{$sectionpick}) { 1141: unless ($_ eq '') { 1142: push @oksectionpick, $_; 1143: } 1144: } 1145: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1146: if (@oksectionpick == 1) { 1147: $secregexp = $oksectionpick[0]; 1148: } else { 1149: $secregexp .= '('.join('|',@oksectionpick).')'; 1150: } 1151: $skiptest = 0; 1152: } else { 1153: $secregexp .= '[^:]*'; 1154: } 1155: } 1156: if (defined($statusfilter) && $statusfilter ne '') { 1157: if ($statusfilter eq 'all') { 1158: $statusregexp = '[^:]+'; 1159: } else { 1160: $statusregexp = $statusfilter; 1161: $skiptest = 0; 1162: } 1163: } 1164: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1165: } 1166: 1167: 1168: sub get_post_contents { 1169: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1170: my $discussion = ''; 1171: my $start=$numver; 1172: my $end=$numver + 1; 1173: %{$$imsfiles{$idx}}=(); 1174: if ($type eq 'allversions') { 1175: unless($seeid) { 1176: $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role'); 1177: return $discussion; 1178: } 1179: } 1180: # $$screenname=&Apache::loncommon::screenname( 1181: # $$contrib{$idx.':sendername'}, 1182: # $$contrib{$idx.':senderdomain'}); 1183: $$plainname=&Apache::loncommon::nickname( 1184: $$contrib{$idx.':sendername'}, 1185: $$contrib{$idx.':senderdomain'}); 1186: $$screenname=$$contrib{$idx.':screenname'}; 1187: 1188: my $sender=&Apache::loncommon::aboutmewrapper( 1189: $$plainname, 1190: $$contrib{$idx.':sendername'}, 1191: $$contrib{$idx.':senderdomain'}).' ('. 1192: $$contrib{$idx.':sendername'}.' at '. 1193: $$contrib{$idx.':senderdomain'}.')'; 1194: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1195: my @postversions = (); 1196: if ($type eq 'allversions' || $type eq 'export') { 1197: $start = 0; 1198: if ($$contrib{$idx.':history'}) { 1199: if ($$contrib{$idx.':history'} =~ m/:/) { 1200: @postversions = split/:/,$$contrib{$idx.':history'}; 1201: } else { 1202: @postversions = ("$$contrib{$idx.':history'}"); 1203: } 1204: } 1205: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1206: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1207: push @postversions,$$contrib{$idx.':timestamp'}; 1208: $end = @postversions; 1209: } else { 1210: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1211: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1212: } 1213: 1214: if ($$contrib{$idx.':anonymous'}) { 1215: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1216: } 1217: if ($type eq 'allversions') { 1218: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1219: } 1220: for (my $i=$start; $i<$end; $i++) { 1221: my ($timesent,$attachmsg); 1222: my %currattach = (); 1223: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1224: &newline_to_br(\$messages->{$i}); 1225: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1226: $$subjects{$i}=~s/\n/\<br \/\>/g; 1227: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1228: if ($attachmenturls) { 1229: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1230: } 1231: if ($type eq 'export') { 1232: $$imsfiles{$idx}{$i} = ''; 1233: if ($attachmsg) { 1234: $$attachtxt{$i} = '<br />Attachments:<br />'; 1235: foreach (sort keys %currattach) { 1236: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1237: my $fname = $1.$3.'/'.$4; 1238: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1239: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1240: } 1241: } 1242: } 1243: } else { 1244: if ($attachmsg) { 1245: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />'; 1246: } else { 1247: $$attachtxt{$i} = ''; 1248: } 1249: } 1250: if ($type eq 'allversions') { 1251: $discussion.= <<"END"; 1252: <li><b>$$subjects{$i}</b>, $timesent<br /> 1253: $$messages{$i}<br /> 1254: $$attachtxt{$i}</li> 1255: END 1256: } 1257: } 1258: if ($type eq 'allversions') { 1259: $discussion.=('</ul></body></html>'); 1260: return $discussion; 1261: } else { 1262: return; 1263: } 1264: } 1265: 1266: sub replicate_attachments { 1267: my ($attachrefs,$tempexport) = @_; 1268: my $response; 1269: foreach my $id (keys %{$attachrefs}) { 1270: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1271: my $path = $tempexport; 1272: my $tail = $1.'/'.$2.$4; 1273: my @extras = split/\//,$tail; 1274: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1275: if (!-e $destination) { 1276: my $i= 0; 1277: while ($i<@extras) { 1278: $path .= '/'.$extras[$i]; 1279: if (!-e $path) { 1280: mkdir($path,0700); 1281: } 1282: $i ++; 1283: } 1284: my ($content,$rtncode); 1285: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1286: if ($uploadreply eq 'ok') { 1287: my $attachcopy; 1288: if ($attachcopy = Apache::File->new('>'.$destination)) { 1289: print $attachcopy $content; 1290: close($attachcopy); 1291: } else { 1292: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n"; 1293: } 1294: } else { 1295: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1296: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n"; 1297: } 1298: } 1299: } 1300: } 1301: return $response; 1302: } 1303: 1304: sub mail_screen { 1305: my ($r,$feedurl,$options) = @_; 1306: if (exists($env{'form.origpage'})) { 1307: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']); 1308: } 1309: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion', 1310: '','onLoad="window.focus();setposttype();"'); 1311: my $title=&Apache::lonnet::gettitle($feedurl); 1312: if (!$title) { $title = $feedurl; } 1313: my $quote=''; 1314: my $subject = ''; 1315: my $comment = ''; 1316: my $prevtag = ''; 1317: my $parentmsg = ''; 1318: my ($symb,$idx,$attachmenturls); 1319: my $numoldver = 0; 1320: my $attachmsg = ''; 1321: my $newattachmsg = ''; 1322: my @currnewattach = (); 1323: my @currdelold = (); 1324: my @keepold = (); 1325: my %attachments = (); 1326: my %currattach = (); 1327: my $attachnum = 0; 1328: my $anonchk = (<<END); 1329: function anonchk() { 1330: if (document.mailform.anondiscuss.checked == true) { 1331: document.attachment.anondiscuss.value = '1' 1332: } 1333: if (document.mailform.discuss.checked == true) { 1334: document.attachment.discuss.value = '1' 1335: } 1336: return 1337: } 1338: END 1339: my $anonscript; 1340: if (exists($env{'form.origpage'})) { 1341: $anonscript = (<<END); 1342: function setposttype() { 1343: var anondisc = $env{'form.anondiscuss'}; 1344: var disc = $env{'form.discuss'}; 1345: if (anondisc == 1) { 1346: document.mailform.anondiscuss.checked = true 1347: } 1348: if (disc == 1) { 1349: document.mailform.discuss.checked = true 1350: } 1351: return 1352: } 1353: END 1354: } else { 1355: $anonscript = (<<END); 1356: function setposttype() { 1357: return 1358: } 1359: END 1360: } 1361: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1362: if ($env{'form.replydisc'}) { 1363: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1364: } else { 1365: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1366: } 1367: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1368: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1369: $env{'course.'.$env{'request.course.id'}.'.num'}); 1370: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1371: if ($contrib{$idx.':history'}) { 1372: if ($contrib{$idx.':history'} =~ /:/) { 1373: my @oldversions = split/:/,$contrib{$idx.':history'}; 1374: $numoldver = @oldversions; 1375: } else { 1376: $numoldver = 1; 1377: } 1378: } 1379: if ($env{'form.replydisc'}) { 1380: if ($contrib{$idx.':history'}) { 1381: if ($contrib{$idx.':history'} =~ /:/) { 1382: my @oldversions = split/:/,$contrib{$idx.':history'}; 1383: $numoldver = @oldversions; 1384: } else { 1385: $numoldver = 1; 1386: } 1387: } 1388: my $message; 1389: if ($idx > 0) { 1390: my %msgversions = (); 1391: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1392: $message = $msgversions{$numoldver}; 1393: } 1394: &newline_to_br(\$message); 1395: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>'; 1396: if ($idx > 0) { 1397: my %subversions = (); 1398: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1399: $subject = 'Re: '.$subversions{$numoldver}; 1400: } 1401: $subject = &HTML::Entities::encode($subject,'<>&"'); 1402: } else { 1403: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1404: if ($idx > 0) { 1405: my %msgversions = (); 1406: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1407: $comment = $msgversions{$numoldver}; 1408: my %subversions = (); 1409: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1410: $subject = $subversions{$numoldver}; 1411: } 1412: if (defined($contrib{$idx.':replyto'})) { 1413: $parentmsg = $contrib{$idx.':replyto'}; 1414: } 1415: unless (exists($env{'form.origpage'})) { 1416: my $anonflag = 0; 1417: if ($contrib{$idx.':anonymous'}) { 1418: $anonflag = 1; 1419: } 1420: $anonscript = (<<END); 1421: function setposttype () { 1422: var currtype = $anonflag 1423: if (currtype == 1) { 1424: document.mailform.elements.discuss.checked = false 1425: document.mailform.elements.anondiscuss.checked = true 1426: } 1427: if (currtype == 0) { 1428: document.mailform.elements.anondiscuss.checked = false 1429: document.mailform.elements.discuss.checked = true 1430: } 1431: return 1432: } 1433: END 1434: } 1435: } 1436: } 1437: if ($env{'form.previous'}) { 1438: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1439: } 1440: } 1441: 1442: if ($env{'form.origpage'}) { 1443: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 1444: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 1445: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1446: } 1447: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); 1448: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders(); 1449: my $send=&mt('Send'); 1450: my $html=&Apache::lonxml::xmlbegin(); 1451: $r->print(<<END); 1452: $html 1453: <head> 1454: <title>The LearningOnline Network with CAPA</title> 1455: <meta http-equiv="pragma" content="no-cache"></meta> 1456: $htmlheader 1457: <script type="text/javascript"> 1458: // 1504: </script> 1505: </head> 1506: $bodytag 1507: <h2><tt>$title</tt></h2> 1508: <form action="/adm/feedback" method="post" name="mailform" 1509: enctype="multipart/form-data"> 1510: $prevtag 1511: <input type="hidden" name="postdata" value="$feedurl" /> 1512: END 1513: if ($env{'form.replydisc'}) { 1514: $r->print(<<END); 1515: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1516: END 1517: } elsif ($env{'form.editdisc'}) { 1518: $r->print(<<END); 1519: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1520: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1521: END 1522: } 1523: $r->print(<<END); 1524: Please check at least one of the following feedback types: 1525: $options<hr /> 1526: $quote 1527: <p>My question/comment/feedback:</p> 1528: <p> 1529: $latexHelp 1530: Title: <input type="text" name="subject" size="30" value="$subject" /></p> 1531: <p> 1532: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1533: </textarea></p> 1534: <p> 1535: END 1536: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1537: if ($env{'form.origpage'}) { 1538: foreach (@currnewattach) { 1539: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 1540: } 1541: foreach (@currdelold) { 1542: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 1543: } 1544: } 1545: if ($env{'form.editdisc'}) { 1546: if ($attachmenturls) { 1547: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1548: $attachnum = scalar(keys %currattach); 1549: foreach (keys %currattach) { 1550: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n"); 1551: } 1552: } 1553: } 1554: } else { 1555: $r->print(<<END); 1556: Attachment (128 KB max size): <input type="file" name="attachment" /> 1557: </p> 1558: END 1559: } 1560: $r->print(<<END); 1561: <p> 1562: <input type="hidden" name="sendit" value="1" /> 1563: <input type="button" value="$send" onClick='gosubmit();' /> 1564: </p> 1565: </form> 1566: END 1567: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1568: my $now = time; 1569: my $ressymb = $symb; 1570: my $postidx = ''; 1571: if ($env{'form.editdisc'}) { 1572: $postidx = $idx; 1573: } 1574: if (@currnewattach > 0) { 1575: $attachnum += @currnewattach; 1576: } 1577: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver)); 1578: if ($attachnum > 0) { 1579: if (@currnewattach > 0) { 1580: $newattachmsg .= '<b>New attachments</b><br />'; 1581: if (@currnewattach > 1) { 1582: $newattachmsg .= '<ol>'; 1583: foreach my $item (@currnewattach) { 1584: $item =~ m#.*/([^/]+)$#; 1585: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1586: } 1587: $newattachmsg .= '</ol>'."\n"; 1588: } else { 1589: $currnewattach[0] =~ m#.*/([^/]+)$#; 1590: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1591: } 1592: } 1593: if ($attachmsg) { 1594: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n"); 1595: } 1596: if ($newattachmsg) { 1597: $r->print("$newattachmsg<br />"); 1598: } 1599: } 1600: } 1601: $r->print(&generate_preview_button(). 1602: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1603: '</body></html>'); 1604: } 1605: 1606: sub print_display_options { 1607: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1608: &Apache::loncommon::content_type($r,'text/html'); 1609: $r->send_http_header; 1610: 1611: my $function = &Apache::loncommon::get_users_function(); 1612: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1613: $env{'user.domain'}); 1614: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1615: '',''); 1616: 1617: my %lt = &Apache::lonlocal::texthash( 1618: 'dido' => 'Discussion display options', 1619: 'pref' => 'Display Preference', 1620: 'curr' => 'Current setting ', 1621: 'actn' => 'Action', 1622: 'deff' => 'Default for all discussions', 1623: 'prca' => 'Preferences can be set for this discussion that determine ....', 1624: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', 1625: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1626: 'wipa' => 'Whether individual posts can be marked as read/unread', 1627: 'allposts' => 'All posts', 1628: 'unread' => 'New posts only', 1629: 'unmark' => 'Posts not marked read', 1630: 'ondisp' => 'Once displayed', 1631: 'onmark' => 'Once marked not NEW ', 1632: 'toggon' => 'Shown', 1633: 'toggoff' => 'Not shown', 1634: 'disa' => 'Posts displayed?', 1635: 'npmr' => 'New posts cease to be identified as "NEW"?', 1636: 'dotm' => 'Option to mark each post as read/unread?', 1637: 'chgt' => 'Change to ', 1638: 'mkdf' => 'Set to ', 1639: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1640: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1641: ); 1642: 1643: my $dispchangeA = $lt{'unread'}; 1644: my $dispchangeB = $lt{'unmark'}; 1645: my $markchange = $lt{'ondisp'}; 1646: my $toggchange = $lt{'toggon'}; 1647: my $currdisp = $lt{'allposts'}; 1648: my $currmark = $lt{'onmark'}; 1649: my $discdisp = 'allposts'; 1650: my $discmark = 'onmark'; 1651: my $currtogg = $lt{'toggoff'}; 1652: my $disctogg = 'toggoff'; 1653: 1654: if ($dispchgA eq 'allposts') { 1655: $dispchangeA = $lt{'allposts'}; 1656: $currdisp = $lt{'unread'}; 1657: $discdisp = 'unread'; 1658: } 1659: 1660: if ($markchg eq 'markonread') { 1661: $markchange = $lt{'onmark'}; 1662: $currmark = $lt{'ondisp'}; 1663: $discmark = 'ondisp'; 1664: } 1665: 1666: if ($dispchgB eq 'onlyunread') { 1667: $dispchangeB = $lt{'unread'}; 1668: $currdisp = $lt{'unmark'}; 1669: $discdisp = 'unmark'; 1670: } 1671: if ($toggchg eq 'toggoff') { 1672: $toggchange = $lt{'toggoff'}; 1673: $currtogg = $lt{'toggon'}; 1674: $disctogg = 'toggon'; 1675: } 1676: my $html=&Apache::lonxml::xmlbegin(); 1677: $r->print(<<END); 1678: $html 1679: <head> 1680: <title>$lt{'dido'}</title> 1681: <meta http-equiv="pragma" content="no-cache" /> 1682: <script> 1683: function discdispChk(caller) { 1684: var disctogg = '$toggchg' 1685: if (caller == 0) { 1686: if (document.modifydisp.discdisp[0].checked == true) { 1687: if (document.modifydisp.discdisp[1].checked == true) { 1688: document.modifydisp.discdisp[1].checked = false 1689: } 1690: } 1691: } 1692: if (caller == 1) { 1693: if (document.modifydisp.discdisp[1].checked == true) { 1694: if (document.modifydisp.discdisp[0].checked == true) { 1695: document.modifydisp.discdisp[0].checked = false 1696: } 1697: if (disctogg == 'toggon') { 1698: document.modifydisp.disctogg.checked = true 1699: } 1700: if (disctogg == 'toggoff') { 1701: document.modifydisp.disctogg.checked = false 1702: } 1703: } 1704: } 1705: if (caller == 2) { 1706: var dispchgB = '$dispchgB' 1707: if (disctogg == 'toggoff') { 1708: if (document.modifydisp.disctogg.checked == true) { 1709: if (dispchgB == 'onlyunmark') { 1710: document.modifydisp.discdisp[1].checked = false 1711: } 1712: } 1713: } 1714: } 1715: } 1716: 1717: function setDisp() { 1718: var prev = "$previous" 1719: var chktotal = 0 1720: if (document.modifydisp.discdisp[0].checked == true) { 1721: document.modifydisp.$dispchgA.value = "$symb" 1722: chktotal ++ 1723: } 1724: if (document.modifydisp.discdisp[1].checked == true) { 1725: document.modifydisp.$dispchgB.value = "$symb" 1726: chktotal ++ 1727: } 1728: if (document.modifydisp.discmark.checked == true) { 1729: document.modifydisp.$markchg.value = "$symb" 1730: chktotal ++ 1731: } 1732: if (document.modifydisp.disctogg.checked == true) { 1733: document.modifydisp.$toggchg.value = "$symb" 1734: chktotal ++ 1735: } 1736: if (chktotal > 0) { 1737: document.modifydisp.submit() 1738: } else { 1739: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1740: if (prev > 0) { 1741: location.href = "$feedurl?previous=$previous" 1742: } else { 1743: location.href = "$feedurl" 1744: } 1745: } 1746: } 1747: } 1748: </script> 1749: </head> 1750: $bodytag 1751: <form name="modifydisp" method="post" action="/adm/feedback"> 1752: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1753: <br /> 1754: <table border="0" cellpadding="0" cellspacing="0"> 1755: <tr> 1756: <td width="100%" bgcolor="#000000"> 1757: <table width="100%" border="0" cellpadding="1" cellspacing="0"> 1758: <tr> 1759: <td width="100%" bgcolor="#000000"> 1760: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF"> 1761: <tr bgcolor="$tabcolor"> 1762: <td><b>$lt{'pref'}</b></td> 1763: <td><b>$lt{'curr'}</b></td> 1764: <td><b>$lt{'actn'}?</b></td> 1765: </tr> 1766: <tr bgcolor="#dddddd"> 1767: <td>$lt{'disa'}</td> 1768: <td>$lt{$discdisp}</td> 1769: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1770: <br /> 1771: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1772: </td> 1773: </tr><tr bgcolor="#eeeeee"> 1774: <td>$lt{'npmr'}</td> 1775: <td>$lt{$discmark}</td> 1776: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1777: </tr><tr bgcolor="#dddddd"> 1778: <td>$lt{'dotm'}</td> 1779: <td>$lt{$disctogg}</td> 1780: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1781: </tr> 1782: </table> 1783: </td> 1784: </tr> 1785: </table> 1786: </td> 1787: </tr> 1788: </table> 1789: <br /> 1790: <br /> 1791: <input type="hidden" name="symb" value="$symb" /> 1792: <input type="hidden" name="previous" value="$previous" /> 1793: <input type="hidden" name="$dispchgA" value=""/> 1794: <input type="hidden" name="$dispchgB" value=""/> 1795: <input type="hidden" name="$markchg" value=""/> 1796: <input type="hidden" name="$toggchg" value="" /> 1797: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" /> 1798: <br /> 1799: <br /> 1800: </form> 1801: </body> 1802: </html> 1803: END 1804: return; 1805: } 1806: 1807: sub print_sortfilter_options { 1808: my ($r,$symb,$previous,$feedurl) = @_; 1809: 1810: &Apache::loncommon::content_type($r,'text/html'); 1811: $r->send_http_header; 1812: 1813: &Apache::lonenc::check_encrypt(\$symb); 1814: my @sections = (); 1815: my $section_sel = ''; 1816: my $numsections = 0; 1817: my $numvisible = 5; 1818: my %sectioncount = (); 1819: 1820: $numsections = &Apache::loncommon::get_sections($env{'course.'.$env{'request.course.id'}.'.domain'},$env{'course.'.$env{'request.course.id'}.'.num'},\%sectioncount); 1821: 1822: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 1823: @sections = ('all',$env{'request.course.sec'}); 1824: $numvisible = 2; 1825: } else { 1826: @sections = sort {$a cmp $b} keys(%sectioncount); 1827: unshift(@sections,'all'); # Put 'all' at the front of the list 1828: if ($numsections < 4) { 1829: $numvisible = $numsections + 1; 1830: } 1831: } 1832: foreach (@sections) { 1833: $section_sel .= " <option value=\"$_\" />$_\n"; 1834: } 1835: 1836: my $function = &Apache::loncommon::get_users_function(); 1837: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1838: $env{'user.domain'}); 1839: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1840: '',''); 1841: my %lt = &Apache::lonlocal::texthash( 1842: 'diso' => 'Discussion sorting and filtering options', 1843: 'diop' => 'Display Options', 1844: 'curr' => 'Current setting ', 1845: 'actn' => 'Action', 1846: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 1847: 'soor' => 'Sort order', 1848: 'spur' => 'Specific user roles', 1849: 'sprs' => 'Specific role status', 1850: 'spse' => 'Specific sections', 1851: 'psub' => 'Pick specific users (by name)', 1852: 'shal' => 'Show a list of current posters' 1853: ); 1854: 1855: my %sort_types = (); 1856: my %role_types = (); 1857: my %status_types = (); 1858: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 1859: my $html=&Apache::lonxml::xmlbegin(); 1860: $r->print(<<END); 1861: $html 1862: <head> 1863: <title>$lt{'diso'}</title> 1864: <meta http-equiv="pragma" content="no-cache" /> 1865: <script type="text/javascript"> 1866: function verifyFilter() { 1867: var rolenum = 0 1868: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 1869: if (document.modifyshown.rolefilter.options[i].selected == true) { 1870: rolenum ++ 1871: } 1872: } 1873: if (rolenum == 0) { 1874: document.modifyshown.rolefilter.options[0].selected = true 1875: } 1876: 1877: var secnum = 0 1878: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 1879: if (document.modifyshown.sectionpick.options[i].selected == true) { 1880: secnum ++ 1881: } 1882: } 1883: if (secnum == 0) { 1884: document.modifyshown.sectionpick.options[0].selected = true 1885: } 1886: document.modifyshown.submit(); 1887: } 1888: </script> 1889: </head> 1890: $bodytag 1891: <form name="modifyshown" method="post" action="/adm/feedback"> 1892: <b>$lt{'diso'}</b><br/> $lt{'prca'} 1893: <br /><br /> 1894: <table border="0"> 1895: <tr> 1896: <td><b>$lt{'soor'}</b></td> 1897: <td> </td> 1898: <td><b>$lt{'sprs'}</b></td> 1899: <td> </td> 1900: <td><b>$lt{'spur'}</b></td> 1901: <td> </td> 1902: <td><b>$lt{'spse'}</b></td> 1903: <td> </td> 1904: <td><b>$lt{'psub'}</b></td> 1905: </tr> 1906: <tr> 1907: <td align="center"> 1908: <select name="sortposts"> 1909: <option value="ascdate" selected="selected" />$sort_types{'ascdate'} 1910: <option value="descdate" />$sort_types{'descdate'} 1911: <option value="thread" />$sort_types{'thread'} 1912: <option value="subject" />$sort_types{'subject'} 1913: <option value="username" />$sort_types{'username'} 1914: <option value="lastfirst" />$sort_types{'lastfirst'} 1915: </select> 1916: </td> 1917: <td> </td> 1918: <td align="center"> 1919: <select name="statusfilter"> 1920: <option value="all" selected="selected" />$status_types{'all'} 1921: <option value="Active" />$status_types{'Active'} 1922: <option value="Expired" />$status_types{'Expired'} 1923: </select> 1924: </td> 1925: <td> </td> 1926: <td align="center"> 1927: <select name="rolefilter" multiple="true" size="5"> 1928: <option value="all" />$role_types{'all'} 1929: <option value="st" />$role_types{'st'} 1930: <option value="cc" />$role_types{'cc'} 1931: <option value="in" />$role_types{'in'} 1932: <option value="ta" />$role_types{'ta'} 1933: <option value="ep" />$role_types{'ep'} 1934: <option value="ad" />$role_types{'ad'} 1935: <option value="cr" />$role_types{'cr'} 1936: </select> 1937: </td> 1938: <td> </td> 1939: <td align="center"> 1940: <select name="sectionpick" multiple="true" size="$numvisible"> 1941: $section_sel 1942: </select> 1943: </td> 1944: <td> </td> 1945: <td><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 1946: </tr> 1947: </table> 1948: <br /> 1949: <br /> 1950: <input type="hidden" name="previous" value="$previous" /> 1951: <input type="hidden" name="applysort" value="$symb" /> 1952: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" /> 1953: <br /> 1954: <br /> 1955: </form> 1956: </body> 1957: </html> 1958: END 1959: } 1960: 1961: sub print_showposters { 1962: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 1963: 1964: &Apache::loncommon::content_type($r,'text/html'); 1965: $r->send_http_header; 1966: 1967: &Apache::lonenc::check_encrypt(\$symb); 1968: my $crs='/'.$env{'request.course.id'}; 1969: if ($env{'request.course.sec'}) { 1970: $crs.='_'.$env{'request.course.sec'}; 1971: } 1972: $crs=~s/\_/\//g; 1973: my $seeid=&Apache::lonnet::allowed('rin',$crs); 1974: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1975: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1976: $env{'course.'.$env{'request.course.id'}.'.num'}); 1977: my %namesort = (); 1978: my %postcounts = (); 1979: my %lt=&Apache::lonlocal::texthash( 1980: 'diso' => 'Discussion filtering options', 1981: ); 1982: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1983: '',''); 1984: if ($contrib{'version'}) { 1985: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 1986: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 1987: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 1988: unless ((($hidden) && (!$seeid)) || ($deleted)) { 1989: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 1990: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1991: my $lastname = $names{'lastname'}; 1992: my $firstname = $names{'firstname'}; 1993: if ($lastname eq '') { 1994: $lastname = '_'; 1995: } 1996: if ($firstname eq '') { 1997: $firstname = '_'; 1998: } 1999: unless (defined($namesort{$lastname})) { 2000: %{$namesort{$lastname}} = (); 2001: } 2002: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2003: $postcounts{$poster} ++; 2004: if (defined($namesort{$lastname}{$firstname})) { 2005: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2006: push @{$namesort{$lastname}{$firstname}}, $poster; 2007: } 2008: } else { 2009: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2010: } 2011: } 2012: } 2013: } 2014: } 2015: my $html=&Apache::lonxml::xmlbegin(); 2016: $r->print(<<END); 2017: $html 2018: <head> 2019: <title>$lt{'diso'}</title> 2020: <meta http-equiv="pragma" content="no-cache" /> 2021: </head> 2022: $bodytag 2023: <form name="pickpostersform" method="post"> 2024: <table border="0"> 2025: <tr> 2026: <td bgcolor="#777777"> 2027: <table border="0" cellpadding="3"> 2028: <tr bgcolor="#e6ffff"> 2029: <td><b>No.</b></td> 2030: <td><b>Select</b></td> 2031: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td> 2032: <td><b>Posts</td> 2033: </tr> 2034: END 2035: my $count = 0; 2036: foreach my $last (sort keys %namesort) { 2037: foreach my $first (sort keys %{$namesort{$last}}) { 2038: foreach (sort @{$namesort{$last}{$first}}) { 2039: my ($uname,$udom) = split/:/,$_; 2040: if (!$uname || !$udom) { 2041: next; 2042: } else { 2043: $count ++; 2044: $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>'); 2045: } 2046: } 2047: } 2048: } 2049: $r->print(<<END); 2050: </table> 2051: </td> 2052: </tr> 2053: </table> 2054: <br /> 2055: <input type="hidden" name="sortposts" value="$sortposts" /> 2056: <input type="hidden" name="userpick" value="$symb" /> 2057: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2058: </form> 2059: </body> 2060: </html> 2061: END 2062: } 2063: 2064: sub get_post_versions { 2065: my ($versions,$incoming,$htmldecode,$numver) = @_; 2066: if ($incoming =~ /^<version num="0">/) { 2067: my $p = HTML::LCParser->new(\$incoming); 2068: my $done = 0; 2069: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2070: my $num = $token->[1]{num}; 2071: my $text = $p->get_text("/version"); 2072: if (defined($numver)) { 2073: if ($num == $numver) { 2074: if ($htmldecode) { 2075: $text = &HTML::Entities::decode($text); 2076: } 2077: $$versions{$numver}=$text; 2078: $done = 1; 2079: } 2080: } else { 2081: if ($htmldecode) { 2082: $text = &HTML::Entities::decode($text); 2083: } 2084: $$versions{$num}=$text; 2085: } 2086: } 2087: } else { 2088: if (!defined($numver)) { 2089: $numver = 0; 2090: } 2091: if ($htmldecode) { 2092: $$versions{$numver} = $incoming; 2093: } else { 2094: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2095: } 2096: } 2097: return; 2098: } 2099: 2100: sub get_post_attachments { 2101: my ($attachments,$attachmenturls) = @_; 2102: my $num; 2103: if ($attachmenturls =~ m/^<attachment id="0">/) { 2104: my $p = HTML::LCParser->new(\$attachmenturls); 2105: while (my $token = $p->get_tag("attachment","filename","post")) { 2106: if ($token->[0] eq "attachment") { 2107: $num = $token->[1]{id}; 2108: %{$$attachments{$num}} =(); 2109: } elsif ($token->[0] eq "filename") { 2110: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2111: } elsif ($token->[0] eq "post") { 2112: my $id = $token->[1]{id}; 2113: $$attachments{$num}{$id} = $p->get_text("/post"); 2114: } 2115: } 2116: } else { 2117: %{$$attachments{'0'}} = (); 2118: $$attachments{'0'}{'filename'} = $attachmenturls; 2119: $$attachments{'0'}{'0'} = 'n'; 2120: } 2121: 2122: return; 2123: } 2124: 2125: sub fail_redirect { 2126: my ($r,$feedurl) = @_; 2127: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2128: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2129: my $html=&Apache::lonxml::xmlbegin(); 2130: $r->print (<<ENDFAILREDIR); 2131: $html 2132: <head> 2133: <title>Feedback not sent</title> 2134: <meta http-equiv="pragma" content="no-cache" /> 2135: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2136: </head> 2137: <body bgcolor="#FFFFFF"> 2138: <img align="right" src="$logo" /> 2139: <b>Sorry, no recipients ...</b> 2140: <br /><a href="$feedurl">Continue</a> 2141: </body> 2142: </html> 2143: ENDFAILREDIR 2144: } 2145: 2146: sub redirect_back { 2147: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$numpicks) = @_; 2148: my $sorttag = ''; 2149: my $roletag = ''; 2150: my $statustag = ''; 2151: my $sectag = ''; 2152: my $userpicktag = ''; 2153: my $qrystr = ''; 2154: my $prevtag = ''; 2155: 2156: &Apache::loncommon::content_type($r,'text/html'); 2157: $r->send_http_header; 2158: 2159: &dewrapper(\$feedurl); 2160: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2161: if ($previous > 0) { 2162: $qrystr = 'previous='.$previous; 2163: if ($feedurl =~ /\?register=1/) { 2164: $feedurl .= '&'.$qrystr; 2165: } else { 2166: $feedurl .= '?'.$qrystr; 2167: } 2168: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2169: } 2170: if (defined($sort)) { 2171: my $sortqry = 'sortposts='.$sort; 2172: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2173: $feedurl .= '&'.$sortqry; 2174: } else { 2175: $feedurl .= '?'.$sortqry; 2176: } 2177: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2178: if (defined($numpicks)) { 2179: my $userpickqry = 'totposters='.$numpicks; 2180: $feedurl .= '&'.$userpickqry; 2181: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2182: } else { 2183: if (ref($sectionpick) eq 'ARRAY') { 2184: $feedurl .= '&sectionpick='; 2185: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2186: foreach (@{$sectionpick}) { 2187: $feedurl .= $_.','; 2188: $sectag .= $_.','; 2189: } 2190: $feedurl =~ s/,$//; 2191: $sectag =~ s/,$//; 2192: $sectag .= '" />'; 2193: } else { 2194: $feedurl .= '&sectionpick='.$sectionpick; 2195: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2196: } 2197: if (ref($rolefilter) eq 'ARRAY') { 2198: $feedurl .= '&rolefilter='; 2199: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2200: foreach (@{$rolefilter}) { 2201: $feedurl .= $_.','; 2202: $roletag .= $_.','; 2203: } 2204: $feedurl =~ s/,$//; 2205: $roletag =~ s/,$//; 2206: $roletag .= '" />'; 2207: } else { 2208: $feedurl .= '&rolefilter='.$rolefilter; 2209: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2210: } 2211: $feedurl .= '&statusfilter='.$statusfilter; 2212: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2213: } 2214: } 2215: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2216: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2217: my $html=&Apache::lonxml::xmlbegin(); 2218: $r->print (<<ENDREDIR); 2219: $html 2220: <head> 2221: <title>Feedback sent</title> 2222: <meta http-equiv="pragma" content="no-cache" /> 2223: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2224: </head> 2225: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 2226: <img align="right" src="$logo" /> 2227: $typestyle 2228: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2229: <font color="red">$status</font> 2230: <form name="reldt" action="$feedurl" target="loncapaclient"> 2231: $prevtag 2232: $sorttag 2233: $statustag 2234: $roletag 2235: $sectag 2236: $userpicktag 2237: </form> 2238: <br /><a href="$feedurl">Continue</a> 2239: </body> 2240: </html> 2241: ENDREDIR 2242: } 2243: 2244: sub no_redirect_back { 2245: my ($r,$feedurl) = @_; 2246: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2247: my $continue=&mt('Continue'); 2248: my $html=&Apache::lonxml::xmlbegin(); 2249: $r->print (<<ENDNOREDIR); 2250: $html 2251: <head> 2252: <title>Feedback not sent</title> 2253: <meta http-equiv="pragma" content="no-cache" /> 2254: ENDNOREDIR 2255: 2256: if ($feedurl!~/^\/adm\/feedback/) { 2257: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='. 2258: &Apache::lonenc::check_encrypt($feedurl).'">'); 2259: } 2260: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2261: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2262: $r->print (<<ENDNOREDIRTWO); 2263: </head> 2264: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'> 2265: <img align="right" src="$logo" /> 2266: <b>$nofeed</b> 2267: <br /><a href="$feedurl">$continue</a> 2268: </body> 2269: </html> 2270: ENDNOREDIRTWO 2271: } 2272: 2273: sub screen_header { 2274: my ($feedurl,$symb) = @_; 2275: my $msgoptions=''; 2276: my $discussoptions=''; 2277: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2278: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2279: $msgoptions= 2280: '<p><label><input type="checkbox" name="author" /> '. 2281: &mt('Feedback to resource author').'</label></p>'; 2282: } 2283: if (&feedback_available(1)) { 2284: $msgoptions.= 2285: '<p><label><input type="checkbox" name="question" /> '. 2286: &mt('Question about resource content').'</label></p>'; 2287: } 2288: if (&feedback_available(0,1)) { 2289: $msgoptions.= 2290: '<p><label><input type="checkbox" name="course" /> '. 2291: &mt('Question/Comment/Feedback about course content'). 2292: '</label></p>'; 2293: } 2294: if (&feedback_available(0,0,1)) { 2295: $msgoptions.= 2296: '<p><label><input type="checkbox" name="policy" /> '. 2297: &mt('Question/Comment/Feedback about course policy'). 2298: '</label></p>'; 2299: } 2300: } 2301: if ($env{'request.course.id'}) { 2302: if (&discussion_open(undef,$symb) && 2303: &Apache::lonnet::allowed('pch', 2304: $env{'request.course.id'}. 2305: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2306: $discussoptions='<label><input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '. 2307: ($env{'form.replydisc'}?' checked="1"':'').' /> '. 2308: &mt('Contribution to course discussion of resource'); 2309: $discussoptions.='</label><br /><label><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '. 2310: &mt('Anonymous contribution to course discussion of resource'). 2311: ' <i>('.&mt('name only visible to course faculty').')</i></label> '. 2312: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2313: } 2314: } 2315: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2316: if ($discussoptions) { 2317: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2318: return $msgoptions.$discussoptions; 2319: } 2320: 2321: sub resource_output { 2322: my ($feedurl) = @_; 2323: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2324: $usersaw=~s/\<body[^\>]*\>//gi; 2325: $usersaw=~s/\<\/body\>//gi; 2326: $usersaw=~s/\<html\>//gi; 2327: $usersaw=~s/\<\/html\>//gi; 2328: $usersaw=~s/\<head\>//gi; 2329: $usersaw=~s/\<\/head\>//gi; 2330: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2331: return $usersaw; 2332: } 2333: 2334: sub clear_out_html { 2335: my ($message,$override)=@_; 2336: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2337: # Always allow the <m>-tag 2338: my %html=(M=>1); 2339: # Check if more is allowed 2340: my $cid=$env{'request.course.id'}; 2341: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2342: ($override)) { 2343: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2344: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2345: # <SUP> 2346: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2347: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2348: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2349: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2350: } 2351: # Do the substitution of everything that is not explicitly allowed 2352: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2353: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2354: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2355: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2356: return $message; 2357: } 2358: 2359: sub assemble_email { 2360: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_; 2361: my $email=<<"ENDEMAIL"; 2362: $message 2363: ENDEMAIL 2364: my $citations=<<"ENDCITE"; 2365: <h2>Previous attempts of student (if applicable)</h2> 2366: $prevattempts 2367: <br /><hr /> 2368: <h2>Original screen output (if applicable)</h2> 2369: $usersaw 2370: <h2>Correct Answer(s) (if applicable)</h2> 2371: $useranswer 2372: ENDCITE 2373: return ($email,$citations); 2374: } 2375: 2376: sub secapply { 2377: my $rec=shift; 2378: my $defaultflag=shift; 2379: $rec=~s/\s+//g; 2380: $rec=~s/\@/\:/g; 2381: my ($adr,$sections)=($rec=~/^([^$]+)\(([^$]+)\)/); 2382: if ($sections) { 2383: foreach (split(/\;/,$sections)) { 2384: if (($_ eq $env{'request.course.sec'}) || 2385: ($defaultflag && ($_ eq '*'))) { 2386: return $adr; 2387: } 2388: } 2389: } else { 2390: return $rec; 2391: } 2392: return ''; 2393: } 2394: 2395: =pod 2396: 2397: =over 4 2398: 2399: =item * 2400: 2401: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag); 2402: 2403: Arguments 2404: $feedurl - /res/ url of resource (only need if $author is true) 2405: $author,$question,$course,$policy - all true/false parameters 2406: if true will attempt to find the addresses of user that should receive 2407: this type of feedback (author - feedback to author of resource $feedurl, 2408: $question 'Resource Content Questions', $course 'Course Content Question', 2409: $policy 'Course Policy') 2410: (Additionally it also checks $env for whether the corresponding form.<name> 2411: element exists, for ease of use in a html response context) 2412: 2413: $defaultflag - (internal should be left blank) if true gather addresses 2414: that aren't for a section even if I have a section 2415: (used for reccursion internally, first we look for 2416: addresses for our specific section then we recurse 2417: and look for non section addresses) 2418: 2419: Returns 2420: $typestyle - string of html text, describing what addresses were found 2421: %to - a hash, which keys are addresses of users to send messages to 2422: the keys will look like name:domain 2423: 2424: =cut 2425: 2426: sub decide_receiver { 2427: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_; 2428: my $typestyle=''; 2429: my %to=(); 2430: if ($env{'form.author'}||$author) { 2431: $typestyle.='Submitting as Author Feedback<br />'; 2432: $feedurl=~/^\/res\/(\w+)\/(\w+)\//; 2433: $to{$2.':'.$1}=1; 2434: } 2435: if ($env{'form.question'}||$question) { 2436: $typestyle.='Submitting as Question<br />'; 2437: foreach (split(/\,/, 2438: $env{'course.'.$env{'request.course.id'}.'.question.email'}) 2439: ) { 2440: my $rec=&secapply($_,$defaultflag); 2441: if ($rec) { $to{$rec}=1; } 2442: } 2443: } 2444: if ($env{'form.course'}||$course) { 2445: $typestyle.='Submitting as Comment<br />'; 2446: foreach (split(/\,/, 2447: $env{'course.'.$env{'request.course.id'}.'.comment.email'}) 2448: ) { 2449: my $rec=&secapply($_,$defaultflag); 2450: if ($rec) { $to{$rec}=1; } 2451: } 2452: } 2453: if ($env{'form.policy'}||$policy) { 2454: $typestyle.='Submitting as Policy Feedback<br />'; 2455: foreach (split(/\,/, 2456: $env{'course.'.$env{'request.course.id'}.'.policy.email'}) 2457: ) { 2458: my $rec=&secapply($_,$defaultflag); 2459: if ($rec) { $to{$rec}=1; } 2460: } 2461: } 2462: if ((scalar(%to) eq '0') && (!$defaultflag)) { 2463: ($typestyle,%to)= 2464: &decide_receiver($feedurl,$author,$question,$course,$policy,1); 2465: } 2466: return ($typestyle,%to); 2467: } 2468: 2469: sub feedback_available { 2470: my ($question,$course,$policy)=@_; 2471: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy); 2472: return scalar(%to); 2473: } 2474: 2475: sub send_msg { 2476: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_; 2477: my $status=''; 2478: my $sendsomething=0; 2479: foreach (keys %to) { 2480: if ($_) { 2481: my $declutter=&Apache::lonnet::declutter($feedurl); 2482: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_), 2483: 'Feedback ['.$declutter.']',$email,$citations,$feedurl, 2484: $attachmenturl)=~/ok/) { 2485: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />'; 2486: } else { 2487: $sendsomething++; 2488: } 2489: } 2490: } 2491: 2492: my %record=&Apache::lonnet::restore('_feedback'); 2493: my ($temp)=keys %record; 2494: unless ($temp=~/^error\:/) { 2495: my %newrecord=(); 2496: $newrecord{'resource'}=$feedurl; 2497: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2498: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2499: $status.='<br />'.&mt('Not registered').'<br />'; 2500: } 2501: } 2502: 2503: return ($status,$sendsomething); 2504: } 2505: 2506: sub adddiscuss { 2507: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2508: my $status=''; 2509: my $realsymb; 2510: if ($symb=~/^bulletin___/) { 2511: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2512: $filename=~s|^adm/wrapper/||; 2513: $realsymb=&Apache::lonnet::symbread($filename); 2514: } 2515: if (&discussion_open(undef,$realsymb) && 2516: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2517: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2518: 2519: my %contrib=('message' => $email, 2520: 'sendername' => $env{'user.name'}, 2521: 'senderdomain' => $env{'user.domain'}, 2522: 'screenname' => $env{'environment.screenname'}, 2523: 'plainname' => $env{'environment.firstname'}.' '. 2524: $env{'environment.middlename'}.' '. 2525: $env{'environment.lastname'}.' '. 2526: $env{'enrironment.generation'}, 2527: 'attachmenturl'=> $attachmenturl, 2528: 'subject' => $subject); 2529: if ($env{'form.replydisc'}) { 2530: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2531: } 2532: if ($anon) { 2533: $contrib{'anonymous'}='true'; 2534: } 2535: if (($symb) && ($email)) { 2536: if ($env{'form.editdisc'}) { 2537: my %newcontrib = (); 2538: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2539: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2540: $contrib{'timestamp'} = time; 2541: $contrib{'history'} = ''; 2542: my $numoldver = 0; 2543: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2544: &Apache::lonenc::check_decrypt(\$oldsymb); 2545: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2546: # get timestamp for last post and history 2547: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2548: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2549: $env{'course.'.$env{'request.course.id'}.'.num'}); 2550: if (defined($oldcontrib{$oldidx.':replyto'})) { 2551: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2552: } 2553: if (defined($oldcontrib{$oldidx.':history'})) { 2554: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2555: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'}; 2556: $numoldver = @oldversions; 2557: } else { 2558: $numoldver = 1; 2559: } 2560: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2561: } 2562: my $numnewver = $numoldver + 1; 2563: if (defined($oldcontrib{$oldidx.':subject'})) { 2564: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2565: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2566: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2567: } else { 2568: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2569: } 2570: } 2571: if (defined($oldcontrib{$oldidx.':message'})) { 2572: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2573: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2574: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2575: } else { 2576: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2577: } 2578: } 2579: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2580: foreach (keys %contrib) { 2581: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_; 2582: $newcontrib{$key} = $contrib{$_}; 2583: } 2584: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2585: \%newcontrib, 2586: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2587: $env{'course.'.$env{'request.course.id'}.'.num'}); 2588: $status='Editing class discussion'.($anon?' (anonymous)':''); 2589: } else { 2590: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2591: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2592: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2593: $env{'course.'.$env{'request.course.id'}.'.num'}); 2594: } 2595: my %storenewentry=($symb => time); 2596: $status.='<br />'.&mt('Updating discussion time').': '. 2597: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2598: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2599: $env{'course.'.$env{'request.course.id'}.'.num'}); 2600: } 2601: my %record=&Apache::lonnet::restore('_discussion'); 2602: my ($temp)=keys %record; 2603: unless ($temp=~/^error\:/) { 2604: my %newrecord=(); 2605: $newrecord{'resource'}=$symb; 2606: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2607: $status.='<br />'.&mt('Registering').': '. 2608: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2609: } 2610: } else { 2611: $status.='Failed.'; 2612: } 2613: return $status.'<br />'; 2614: } 2615: 2616: # ----------------------------------------------------------- Preview function 2617: 2618: sub show_preview { 2619: my $r=shift; 2620: &Apache::loncommon::content_type($r,'text/html'); 2621: $r->send_http_header; 2622: my $message=&clear_out_html($env{'form.comment'}); 2623: &newline_to_br(\$message); 2624: $message=&Apache::lonspeller::markeduptext($message); 2625: $message=&Apache::lontexconvert::msgtexconverted($message); 2626: my $subject=&clear_out_html($env{'form.subject'}); 2627: $subject=~s/\n/\<br \/\>/g; 2628: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2629: my $html=&Apache::lonxml::xmlbegin(); 2630: $r->print($html.'<head>'. 2631: '</head><body><table border="2"><tr><td>'. 2632: '<b>Subject:</b> '.$subject.'<br /><br />'. 2633: $message.'</td></tr></table></body></html>'); 2634: } 2635: 2636: 2637: sub newline_to_br { 2638: my ($message)=@_; 2639: my $newmessage; 2640: my $parser=HTML::LCParser->new($message); 2641: while (my $token=$parser->get_token()) { 2642: if ($token->[0] eq 'T') { 2643: my $text=$token->[1]; 2644: $text=~s/\n/\<br \/\>/g; 2645: $newmessage.=$text; 2646: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2647: $newmessage.=$token->[1]; 2648: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2649: $newmessage.=$token->[2]; 2650: } elsif ($token->[0] eq 'S') { 2651: $newmessage.=$token->[4]; 2652: } 2653: 2654: } 2655: $$message=$newmessage; 2656: } 2657: 2658: sub generate_preview_button { 2659: my ($formname,$fieldname)=@_; 2660: unless ($formname) { $formname='mailform'; } 2661: unless ($fieldname) { $fieldname='comment'; } 2662: my $pre=&mt("Show Preview and Check Spelling"); 2663: return(<<ENDPREVIEW); 2664: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2665: <input type="hidden" name="subject"> 2666: <input type="hidden" name="comment" /> 2667: <input type="button" value="$pre" 2668: 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();" /> 2669: </form> 2670: ENDPREVIEW 2671: } 2672: 2673: sub modify_attachments { 2674: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_; 2675: my $orig_subject = &Apache::lonnet::unescape($env{'form.subject'}); 2676: my $subject=&clear_out_html($orig_subject); 2677: $subject=~s/\n/\<br \/\>/g; 2678: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2679: my $timestamp=$env{'form.timestamp'}; 2680: my $numoldver=$env{'form.numoldver'}; 2681: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments', 2682: '',''); 2683: my $msg = ''; 2684: my %attachments = (); 2685: my %currattach = (); 2686: if ($idx) { 2687: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2688: } 2689: &Apache::lonenc::check_encrypt(\$symb); 2690: my $html=&Apache::lonxml::xmlbegin(); 2691: $r->print(<<END); 2692: $html 2693: <head> 2694: <title>Managing Attachments</title> 2695: <script> 2696: function setAction () { 2697: document.modattachments.action = document.modattachments.origpage.value; 2698: document.modattachments.submit(); 2699: } 2700: </script> 2701: </head> 2702: $bodytag 2703: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2704: <table border="2"> 2705: <tr> 2706: <td> 2707: <b>Subject:</b> $subject</b><br /><br /> 2708: END 2709: if ($idx) { 2710: if ($attachmenturls) { 2711: my @currold = keys %currattach; 2712: if (@currold > 0) { 2713: $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"); 2714: foreach my $id (@currold) { 2715: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 2716: $attachurl =~ m#/([^/]+)$#; 2717: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 2718: } 2719: $r->print("<br />"); 2720: } 2721: } 2722: } 2723: if (@{$currnewattach} > 0) { 2724: $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"); 2725: foreach (@{$currnewattach}) { 2726: $_ =~ m#/([^/]+)$#; 2727: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'</label><br />'."\n"); 2728: } 2729: $r->print("<br />"); 2730: } 2731: $r->print(<<END); 2732: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 2733: </td> 2734: </tr> 2735: </table> 2736: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 2737: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 2738: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 2739: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 2740: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 2741: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 2742: <input type="hidden" name="anondiscuss" value="$env{'form.anondiscuss'}" /> 2743: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 2744: END 2745: foreach (@{$currnewattach}) { 2746: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 2747: } 2748: foreach (@{$currdelold}) { 2749: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 2750: } 2751: $r->print(<<END); 2752: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/> 2753: </form> 2754: </body> 2755: </html> 2756: END 2757: return; 2758: } 2759: 2760: sub process_attachments { 2761: my ($currnewattach,$currdelold,$keepold) = @_; 2762: 2763: @{$currnewattach}= 2764: &Apache::loncommon::get_env_multiple('form.currnewattach'); 2765: @{$currdelold}= 2766: &Apache::loncommon::get_env_multiple('form.deloldattach'); 2767: if (exists($env{'form.delnewattach'})) { 2768: my @currdelnew = 2769: &Apache::loncommon::get_env_multiple('form.delnewattach'); 2770: my @currnew = (); 2771: foreach my $newone (@{$currnewattach}) { 2772: my $delflag = 0; 2773: foreach (@currdelnew) { 2774: if ($newone eq $_) { 2775: $delflag = 1; 2776: last; 2777: } 2778: } 2779: unless ($delflag) { 2780: push @currnew, $newone; 2781: } 2782: } 2783: @{$currnewattach} = @currnew; 2784: } 2785: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 2786: } 2787: 2788: sub generate_attachments_button { 2789: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_; 2790: my $origpage = $ENV{'REQUEST_URI'}; 2791: my $att=$attachnum.' '.&mt("attachments"); 2792: my $response = (<<END); 2793: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 2794: Click to add/remove attachments: <input type="button" value="$att" 2795: 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); 2796: END 2797: unless ($mode eq 'board') { 2798: $response .= 'javascript:anonchk();'; 2799: } 2800: $response .= (<<ENDATTACH); 2801: this.form.submit();" /> 2802: <input type="hidden" name="origpage" value="$origpage" /> 2803: <input type="hidden" name="idx" value="$idx" /> 2804: <input type="hidden" name="timestamp" value="$now" /> 2805: <input type="hidden" name="subject" /> 2806: <input type="hidden" name="comment" /> 2807: <input type="hidden" name="anondiscuss" value = "0" /> 2808: <input type="hidden" name="discuss" value = "0" /> 2809: <input type="hidden" name="numoldver" value="$numoldver" /> 2810: ENDATTACH 2811: if (defined($deloldattach)) { 2812: if (@{$deloldattach} > 0) { 2813: foreach (@{$deloldattach}) { 2814: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"; 2815: } 2816: } 2817: } 2818: if (defined($currnewattach)) { 2819: if (@{$currnewattach} > 0) { 2820: foreach (@{$currnewattach}) { 2821: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 2822: } 2823: } 2824: } 2825: $response .= '</form>'; 2826: return $response; 2827: } 2828: 2829: sub extract_attachments { 2830: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 2831: %{$attachments}=(); 2832: &get_post_attachments($attachments,$attachmenturls); 2833: foreach my $id (sort keys %{$attachments}) { 2834: if (exists($$attachments{$id}{$numoldver})) { 2835: if (defined($currdelold)) { 2836: if (@{$currdelold} > 0) { 2837: unless (grep/^$id$/,@{$currdelold}) { 2838: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2839: } 2840: } else { 2841: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2842: } 2843: } else { 2844: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2845: } 2846: } 2847: } 2848: my @attached = (sort { $a <=> $b } keys %{$currattach}); 2849: if (@attached == 1) { 2850: my $id = $attached[0]; 2851: my $attachurl; 2852: if ($attachmenturls =~ m/^<attachment id="0">/) { 2853: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2854: } else { 2855: $attachurl = $$attachments{$id}{'filename'}; 2856: } 2857: $attachurl=~m|/([^/]+)$|; 2858: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 2859: $1.'</tt></a><br />'; 2860: &Apache::lonnet::allowuploaded('/adm/feedback', 2861: $attachurl); 2862: } elsif (@attached > 1) { 2863: $$message.='<ol>'; 2864: foreach (@attached) { 2865: my $id = $_; 2866: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2867: my ($fname) 2868: =($attachurl=~m|/([^/]+)$|); 2869: $$message .= '<li><a href="'.$attachurl. 2870: '"><tt>'. 2871: $fname.'</tt></a></li>'; 2872: &Apache::lonnet::allowuploaded('/adm/feedback', 2873: $attachurl); 2874: } 2875: $$message .= '</ol>'; 2876: } 2877: } 2878: 2879: sub construct_attachmenturl { 2880: my ($currnewattach,$keepold,$symb,$idx)=@_; 2881: my $oldattachmenturl; 2882: my $newattachmenturl; 2883: my $startnum = 0; 2884: my $currver = 0; 2885: if (($env{'form.editdisc'}) && ($idx)) { 2886: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2887: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2888: $env{'course.'.$env{'request.course.id'}.'.num'}); 2889: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 2890: if ($contrib{$idx.':history'}) { 2891: if ($contrib{$idx.':history'} =~ /:/) { 2892: my @oldversions = split/:/,$contrib{$idx.':history'}; 2893: $currver = 1 + scalar(@oldversions); 2894: } else { 2895: $currver = 2; 2896: } 2897: } else { 2898: $currver = 1; 2899: } 2900: if ($oldattachmenturl) { 2901: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 2902: my %attachments = (); 2903: my $prevver = $currver-1; 2904: &get_post_attachments(\%attachments,$oldattachmenturl); 2905: my $numattach = scalar(keys %attachments); 2906: $startnum += $numattach; 2907: foreach my $num (sort {$a <=> $b} keys %attachments) { 2908: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 2909: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) { 2910: unless ($_ eq 'filename') { 2911: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>'; 2912: } 2913: } 2914: if (grep/^$num$/,@{$keepold}) { 2915: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 2916: } 2917: $newattachmenturl .= '</attachment>'; 2918: } 2919: } else { 2920: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 2921: unless (grep/^0$/,@{$keepold}) { 2922: $newattachmenturl .= '<post id="1">n</post>'; 2923: } 2924: $newattachmenturl .= '</attachment>'; 2925: $startnum ++; 2926: } 2927: } 2928: } 2929: for (my $i=0; $i<@{$currnewattach}; $i++) { 2930: my $attachnum = $startnum + $i; 2931: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 2932: } 2933: return $newattachmenturl; 2934: } 2935: 2936: sub has_discussion { 2937: my $resourcesref = shift; 2938: my $navmap = Apache::lonnavmaps::navmap->new(); 2939: my @allres=$navmap->retrieveResources(); 2940: foreach my $resource (@allres) { 2941: if ($resource->hasDiscussion()) { 2942: my $ressymb = $resource->wrap_symb(); 2943: push @{$resourcesref}, $ressymb; 2944: } 2945: } 2946: return; 2947: } 2948: 2949: sub sort_filter_names { 2950: my ($sort_types,$role_types,$status_types) = @_; 2951: %{$sort_types} = ( 2952: ascdate => 'Date order - oldest first', 2953: descdate => 'Date order - newest first', 2954: thread => 'Threaded', 2955: subject => 'By subject', 2956: username => 'By domain and username', 2957: lastfirst => 'By last name, first name' 2958: ); 2959: %{$role_types} = ( 2960: all => 'All roles', 2961: st => 'Students', 2962: cc => 'Course Coordinators', 2963: in => 'Instructors', 2964: ta => 'TAs', 2965: ep => 'Exam proctors', 2966: ad => 'Administrators', 2967: cr => 'Custom roles' 2968: ); 2969: %{$status_types} = ( 2970: all => 'Roles of any status', 2971: Active => 'Only active roles', 2972: Expired => 'Only inactive roles' 2973: ); 2974: } 2975: 2976: sub handler { 2977: my $r = shift; 2978: if ($r->header_only) { 2979: &Apache::loncommon::content_type($r,'text/html'); 2980: $r->send_http_header; 2981: return OK; 2982: } 2983: 2984: # --------------------------- Get query string for limited number of parameters 2985: 2986: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 2987: ['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']); 2988: 2989: if ($env{'form.discsymb'}) { 2990: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 2991: my $readkey = $symb.'_read'; 2992: my $chgcount = 0; 2993: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 2994: foreach my $key (keys %env) { 2995: if ($key =~ m/^form\.postunread_(\d+)/) { 2996: if ($readinghash{$readkey} =~ /\.$1\./) { 2997: $readinghash{$readkey} =~ s/\.$1\.//; 2998: $chgcount ++; 2999: } 3000: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3001: unless ($readinghash{$readkey} =~ /\.$1\./) { 3002: $readinghash{$readkey} .= '.'.$1.'.'; 3003: $chgcount ++; 3004: } 3005: } 3006: } 3007: if ($chgcount > 0) { 3008: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3009: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3010: } 3011: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3012: '0','0','',$env{'form.previous'},'','','',); 3013: return OK; 3014: } 3015: if ($env{'form.allversions'}) { 3016: &Apache::loncommon::content_type($r,'text/html'); 3017: $r->send_http_header; 3018: my $html=&Apache::lonxml::xmlbegin(); 3019: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions'); 3020: $r->print(<<END); 3021: $html 3022: <head> 3023: <title>Post Versions</title> 3024: <meta http-equiv="pragma" content="no-cache" /> 3025: </head> 3026: $bodytag 3027: END 3028: my $crs='/'.$env{'request.course.id'}; 3029: if ($env{'request.course.sec'}) { 3030: $crs.='_'.$env{'request.course.sec'}; 3031: } 3032: $crs=~s|_|/|g; 3033: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3034: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3035: ($symb)=&get_feedurl_and_clean_symb($symb); 3036: if ($idx > 0) { 3037: my %messages = (); 3038: my %subjects = (); 3039: my %attachmsgs = (); 3040: my %allattachments = (); 3041: my %imsfiles = (); 3042: my ($screenname,$plainname); 3043: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3044: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3045: $env{'course.'.$env{'request.course.id'}.'.num'}); 3046: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3047: } 3048: return OK; 3049: } 3050: if ($env{'form.posterlist'}) { 3051: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3052: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3053: $env{'form.sortposts'}); 3054: return OK; 3055: } 3056: if ($env{'form.userpick'}) { 3057: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3058: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3059: my $numpicks = @posters; 3060: my %discinfo; 3061: $discinfo{$symb.'_userpick'} = join('&',@posters); 3062: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3063: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3064: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0', 3065: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3066: $numpicks); 3067: return OK; 3068: } 3069: if ($env{'form.applysort'}) { 3070: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3071: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0', 3072: '',$env{'form.previous'},$env{'form.sortposts'}, 3073: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3074: $env{'form.sectionpick'}); 3075: return OK; 3076: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3077: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3078: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3079: return OK; 3080: } elsif ($env{'form.navtime'}) { 3081: my %discinfo = (); 3082: my @resources = (); 3083: if (defined($env{'form.navmaps'})) { 3084: if ($env{'form.navmaps'} =~ /:/) { 3085: @resources = split/:/,$env{'form.navmaps'}; 3086: } else { 3087: @resources = ("$env{'form.navmaps'}"); 3088: } 3089: } else { 3090: &has_discussion(\@resources); 3091: } 3092: my $numitems = @resources; 3093: my $feedurl = '/adm/navmaps'; 3094: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3095: my %lt = &Apache::lonlocal::texthash( 3096: 'mnpa' => 'Marked "New" posts as read in a total of', 3097: 'robb' => 'resources/bulletin boards.', 3098: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.' 3099: ); 3100: foreach (@resources) { 3101: my $ressymb=$_; 3102: &Apache::lonenc::check_decrypt(\$ressymb); 3103: my $lastkey = $ressymb.'_lastread'; 3104: $discinfo{$lastkey} = $env{'form.navtime'}; 3105: } 3106: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3107: if ($numitems > 0) { 3108: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3109: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3110: } else { 3111: $textline = "<b>$lt{'twnp'}</b>"; 3112: } 3113: &Apache::loncommon::content_type($r,'text/html'); 3114: $r->send_http_header; 3115: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3116: my $html=&Apache::lonxml::xmlbegin(); 3117: $r->print (<<ENDREDIR); 3118: $html 3119: <head> 3120: <title>New posts marked as read</title> 3121: <meta http-equiv="pragma" content="no-cache" /> 3122: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 3123: </head> 3124: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 3125: <img align="right" src="$logo" /> 3126: $textline 3127: <form name="reldt" action="$feedurl" target="loncapaclient"> 3128: </form> 3129: <br /><a href="$feedurl">Continue</a> 3130: </body> 3131: </html> 3132: ENDREDIR 3133: return OK; 3134: } elsif ($env{'form.modifydisp'}) { 3135: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3136: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3137: split(/_/,$env{'form.changes'}); 3138: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3139: $dispchgB,$markchg,$toggchg,$feedurl); 3140: return OK; 3141: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3142: $env{'form.allposts'} || $env{'form.onlyunread'} || 3143: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3144: $env{'form.toggon'} || $env{'form.markread'}) { 3145: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3146: my %discinfo; 3147: # ------------------------ Modify setting for read/unread toggle for each post 3148: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3149: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3150: # --------- Modify setting for identification of 'NEW' posts in this discussion 3151: if ($env{'form.markondisp'}) { 3152: $discinfo{$symb.'_lastread'} = time; 3153: $discinfo{$symb.'_markondisp'} = 1; 3154: } 3155: if ($env{'form.markonread'}) { 3156: if ( $env{'form.previous'} > 0 ) { 3157: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3158: } 3159: $discinfo{$symb.'_markondisp'} = 0; 3160: } 3161: # --------------------------------- Modify display setting for this discussion 3162: if ($env{'form.allposts'}) { 3163: $discinfo{$symb.'_showonlyunread'} = 0; 3164: $discinfo{$symb.'_showonlyunmark'} = 0; 3165: } 3166: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3167: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3168: # ----------------------------------------------------- Mark new posts not NEW 3169: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3170: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3171: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3172: my $previous=$env{'form.previous'}; 3173: if ($env{'form.markondisp'}) { $previous=undef; } 3174: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3175: '0','0','',$previous); 3176: return OK; 3177: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3178: # ----------------------------------------------------------------- Hide/unhide 3179: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3180: my ($symb,$idx)=split(/\:\:\:/,$entry); 3181: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3182: 3183: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3184: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3185: $env{'course.'.$env{'request.course.id'}.'.num'}); 3186: 3187: my $currenthidden=$contrib{'hidden'}; 3188: my $currentstudenthidden=$contrib{'studenthidden'}; 3189: 3190: my $crs='/'.$env{'request.course.id'}; 3191: if ($env{'request.course.sec'}) { 3192: $crs.='_'.$env{'request.course.sec'}; 3193: } 3194: $crs=~s/\_/\//g; 3195: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3196: 3197: if ($env{'form.hide'}) { 3198: $currenthidden.='.'.$idx.'.'; 3199: unless ($seeid) { 3200: $currentstudenthidden.='.'.$idx.'.'; 3201: } 3202: } else { 3203: $currenthidden=~s/\.$idx\.//g; 3204: } 3205: my %newhash=('hidden' => $currenthidden); 3206: if ( ($env{'form.hide'}) && (!$seeid) ) { 3207: $newhash{'studenthidden'} = $currentstudenthidden; 3208: } 3209: 3210: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3211: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3212: $env{'course.'.$env{'request.course.id'}.'.num'}); 3213: 3214: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3215: '0','0','',$env{'form.previous'}); 3216: return OK; 3217: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3218: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3219: if ($env{'form.cmd'} eq 'threadedon') { 3220: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3221: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on'); 3222: } else { 3223: &Apache::lonnet::del('environment',['threadeddiscussion']); 3224: &Apache::lonnet::delenv('environment\.threadeddiscussion'); 3225: } 3226: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3227: '0','0','',$env{'form.previous'}); 3228: return OK; 3229: } elsif ($env{'form.deldisc'}) { 3230: # --------------------------------------------------------------- Hide for good 3231: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3232: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3233: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3234: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3235: $env{'course.'.$env{'request.course.id'}.'.num'}); 3236: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3237: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3238: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3239: $env{'course.'.$env{'request.course.id'}.'.num'}); 3240: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3241: '0','0','',$env{'form.previous'}); 3242: return OK; 3243: } elsif ($env{'form.preview'}) { 3244: # -------------------------------------------------------- User wants a preview 3245: &show_preview($r); 3246: return OK; 3247: } elsif ($env{'form.attach'}) { 3248: # -------------------------------------------------------- Work on attachments 3249: &Apache::loncommon::content_type($r,'text/html'); 3250: $r->send_http_header; 3251: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']); 3252: my (@currnewattach,@currdelold,@keepold); 3253: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3254: if (exists($env{'form.addnewattach.filename'})) { 3255: unless (length($env{'form.addnewattach'})>131072) { 3256: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3257: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3258: push @currnewattach, $newattachment; 3259: } 3260: } 3261: my $attachmenturls; 3262: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3263: my $idx = $env{'form.idx'}; 3264: if ($idx) { 3265: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3266: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3267: $env{'course.'.$env{'request.course.id'}.'.num'}); 3268: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3269: } 3270: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3271: $attachmenturls); 3272: return OK; 3273: } elsif ($env{'form.export'}) { 3274: &Apache::loncommon::content_type($r,'text/html'); 3275: $r->send_http_header; 3276: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3277: my $mode='board'; 3278: my $status='OPEN'; 3279: my $previous=$env{'form.previous'}; 3280: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3281: $mode='problem'; 3282: $status=$Apache::inputtags::status[-1]; 3283: } 3284: my $discussion = &list_discussion($mode,$status,$symb); 3285: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion'); 3286: $r->print($bodytag.$discussion); 3287: return OK; 3288: } else { 3289: # ------------------------------------------------------------- Normal feedback 3290: my $feedurl=$env{'form.postdata'}; 3291: $feedurl=~s/^http\:\/\///; 3292: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3293: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3294: $feedurl=~s/\?.+$//; 3295: 3296: my $symb; 3297: if ($env{'form.replydisc'}) { 3298: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3299: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3300: $feedurl=&Apache::lonnet::clutter($url); 3301: } elsif ($env{'form.editdisc'}) { 3302: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3303: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3304: $feedurl=&Apache::lonnet::clutter($url); 3305: } elsif ($env{'form.origpage'}) { 3306: $symb=""; 3307: } else { 3308: $symb=&Apache::lonnet::symbread($feedurl); 3309: } 3310: unless ($symb) { 3311: $symb=$env{'form.symb'}; 3312: if ($symb) { 3313: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3314: $feedurl=&Apache::lonnet::clutter($url); 3315: } 3316: } 3317: &Apache::lonenc::check_decrypt(\$symb); 3318: my $goahead=1; 3319: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3320: unless ($symb) { $goahead=0; } 3321: } 3322: # backward compatibility (bulletin boards used to be 'wrapped') 3323: &dewrapper(\$feedurl); 3324: if (!$goahead) { 3325: # Ambiguous Problem Resource 3326: $r->internal_redirect('/adm/ambiguous'); 3327: return OK; 3328: } 3329: # Go ahead with feedback, no ambiguous reference 3330: unless ( 3331: ( 3332: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3333: ) 3334: || 3335: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3336: || 3337: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3338: ) { 3339: &Apache::loncommon::content_type($r,'text/html'); 3340: $r->send_http_header; 3341: # Unable to give feedback 3342: &no_redirect_back($r,$feedurl); 3343: } 3344: # --------------------------------------------------- Print login screen header 3345: unless ($env{'form.sendit'}) { 3346: &Apache::loncommon::content_type($r,'text/html'); 3347: $r->send_http_header; 3348: my $options=&screen_header($feedurl,$symb); 3349: if ($options) { 3350: &mail_screen($r,$feedurl,$options); 3351: } else { 3352: &fail_redirect($r,$feedurl); 3353: } 3354: return OK; 3355: } 3356: 3357: # Get previous user input 3358: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3359: $symb,$env{'user.name'},$env{'user.domain'}, 3360: $env{'request.course.id'}); 3361: 3362: # Get output from resource 3363: my $usersaw=&resource_output($feedurl); 3364: 3365: # Get resource answer (need to allow student to view grades for this to work) 3366: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 3367: my $useranswer=&Apache::loncommon::get_student_answers( 3368: $symb,$env{'user.name'},$env{'user.domain'}, 3369: $env{'request.course.id'}); 3370: &Apache::lonnet::delenv('allowed.vgr'); 3371: # Get attachments, if any, and not too large 3372: my $attachmenturl=''; 3373: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3374: ($env{'form.replydisc'})) { 3375: my ($symb,$idx); 3376: if ($env{'form.replydisc'}) { 3377: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3378: } elsif ($env{'form.editdisc'}) { 3379: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3380: } elsif ($env{'form.origpage'}) { 3381: $symb = $env{'form.symb'}; 3382: } 3383: &Apache::lonenc::check_decrypt(\$symb); 3384: my @currnewattach = (); 3385: my @deloldattach = (); 3386: my @keepold = (); 3387: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3388: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3389: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3390: } elsif ($env{'form.attachment.filename'}) { 3391: unless (length($env{'form.attachment'})>131072) { 3392: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback'); 3393: } 3394: } 3395: # Filter HTML out of message (could be nasty) 3396: my $message=&clear_out_html($env{'form.comment'}); 3397: 3398: # Assemble email 3399: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts, 3400: $usersaw,$useranswer); 3401: 3402: # Who gets this? 3403: my ($typestyle,%to) = &decide_receiver($feedurl); 3404: 3405: # Actually send mail 3406: my ($status,$numsent)=&send_msg($feedurl,$email,$citations, 3407: $attachmenturl,%to); 3408: 3409: # Discussion? Store that. 3410: 3411: my $numpost=0; 3412: if ($env{'form.discuss'} || $env{'form.anondiscuss'}) { 3413: my $subject = &clear_out_html($env{'form.subject'}); 3414: my $anonmode=(defined($env{'form.anondiscuss'})); 3415: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3416: $subject); 3417: $numpost++; 3418: } 3419: 3420: # Receipt screen and redirect back to where came from 3421: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$env{'form.previous'}); 3422: } 3423: return OK; 3424: } 3425: 3426: sub wrap_symb { 3427: my ($ressymb)=@_; 3428: if ($ressymb =~ /bulletin___\d+___/) { 3429: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3430: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3431: } 3432: } 3433: return $ressymb; 3434: } 3435: sub dewrapper { 3436: my ($feedurl)=@_; 3437: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3438: $$feedurl=~s|^/adm/wrapper||; 3439: } 3440: } 3441: 3442: sub get_feedurl { 3443: my ($symb)=@_; 3444: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3445: my $feedurl = &Apache::lonnet::clutter($url); 3446: &dewrapper(\$feedurl); 3447: return $feedurl; 3448: } 3449: 3450: sub get_feedurl_and_clean_symb { 3451: my ($symb)=@_; 3452: &Apache::lonenc::check_decrypt(\$symb); 3453: # backward compatibility (bulletin boards used to be 'wrapped') 3454: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3455: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3456: } 3457: my $feedurl = &get_feedurl($symb); 3458: return ($symb,$feedurl); 3459: } 3460: 1; 3461: __END__