loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.180: download - view: text, annotated - select for diffs
Thu Feb 9 22:11:54 2006 UTC (18 years, 8 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

Bug 4651.  Specify which roles can edit their own discussion posts.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.180 2006/02/09 22:11:54 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: use Apache::lonspeller(); 45: use Cwd; 46: 47: sub discussion_open { 48: my ($status,$symb)=@_; 49: if ($env{'request.role.adv'}) { return 1; } 50: if (defined($status) && 51: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 52: || $status eq 'OPEN')) { 53: return 0; 54: } 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: if (defined($close) && $close ne '' && $close < time) { 57: return 0; 58: } 59: return 1; 60: } 61: 62: sub discussion_visible { 63: my ($status)=@_; 64: if (not &discussion_open($status)) { 65: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 66: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 67: if (!$env{'request.role.adv'}) { return 0; } 68: } 69: } 70: return 1; 71: } 72: 73: sub list_discussion { 74: my ($mode,$status,$ressymb,$imsextras)=@_; 75: my $outputtarget=$env{'form.grade_target'}; 76: if (defined($env{'form.export'})) { 77: if($env{'form.export'}) { 78: $outputtarget = 'export'; 79: } 80: } 81: if (defined($imsextras)) { 82: if ($$imsextras{'caller'} eq 'imsexport') { 83: $outputtarget = 'export'; 84: } 85: } 86: if (not &discussion_visible($status)) { return ''; } 87: my @bgcols = ("#cccccc","#eeeeee"); 88: my $discussiononly=0; 89: if ($mode eq 'board') { $discussiononly=1; } 90: unless ($env{'request.course.id'}) { return ''; } 91: my $crs='/'.$env{'request.course.id'}; 92: my $cid=$env{'request.course.id'}; 93: if ($env{'request.course.sec'}) { 94: $crs.='_'.$env{'request.course.sec'}; 95: } 96: $crs=~s/\_/\//g; 97: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 98: unless ($ressymb) { return ''; } 99: $ressymb=&wrap_symb($ressymb); 100: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 101: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 102: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 103: 104: my %usernamesort = (); 105: my %namesort =(); 106: my %subjectsort = (); 107: 108: # Get discussion display settings for this discussion 109: my $lastkey = $ressymb.'_lastread'; 110: my $showkey = $ressymb.'_showonlyunread'; 111: my $markkey = $ressymb.'_showonlyunmark', 112: my $visitkey = $ressymb.'_visit'; 113: my $ondispkey = $ressymb.'_markondisp'; 114: my $userpickkey = $ressymb.'_userpick'; 115: my $toggkey = $ressymb.'_readtoggle'; 116: my $readkey = $ressymb.'_read'; 117: $ressymb=$encsymb; 118: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 119: my %discinfo = (); 120: my $showonlyunread = 0; 121: my $showunmark = 0; 122: my $markondisp = 0; 123: my $prevread = 0; 124: my $previous = 0; 125: my $visit = 0; 126: my $newpostsflag = 0; 127: my @posters = split/\&/,$dischash{$userpickkey}; 128: 129: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 130: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']); 131: my $sortposts = $env{'form.sortposts'}; 132: my $statusfilter = $env{'form.statusfilter'}; 133: my @sectionpick = (); 134: if ($env{'form.sectionpick'} =~ /,/) { 135: @sectionpick = split/,/,$env{'form.sectionpick'}; 136: } else { 137: $sectionpick[0] = $env{'form.sectionpick'}; 138: } 139: my @rolefilter = (); 140: if ($env{'form.rolefilter'} =~ /,/) { 141: @rolefilter = split/,/,$env{'form.rolefilter'}; 142: } else { 143: $rolefilter[0] = $env{'form.rolefilter'}; 144: } 145: my $totposters = $env{'form.totposters'}; 146: $previous = $env{'form.previous'}; 147: if ($previous > 0) { 148: $prevread = $previous; 149: } elsif (defined($dischash{$lastkey})) { 150: unless ($dischash{$lastkey} eq '') { 151: $prevread = $dischash{$lastkey}; 152: } 153: } 154: 155: # Get information about students and non-students in course for filtering display of posts 156: my %roleshash = (); 157: my %roleinfo = (); 158: if ($env{'form.rolefilter'}) { 159: %roleshash = &Apache::lonnet::dump('nohist_userroles', 160: $env{'course.'.$cid.'.domain'}, 161: $env{'course.'.$cid.'.num'}); 162: foreach (keys %roleshash) { 163: my ($role,$uname,$udom,$sec) = split/:/,$_; 164: if ($role =~ /^cr/) { 165: $role = 'cr'; 166: } 167: my ($end,$start) = split/:/,$roleshash{$_}; 168: my $now = time; 169: my $status = 'Active'; 170: if (($now < $start) || ($end > 0 && $now > $end)) { 171: $status = 'Expired'; 172: } 173: if ($uname && $udom) { 174: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status; 175: } 176: } 177: my ($classlist) = &Apache::loncoursedata::get_classlist( 178: $env{'course.'.$cid.'.domain'}, 179: $env{'course.'.$cid.'.num'}); 180: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 181: my $status_index = &Apache::loncoursedata::CL_STATUS(); 182: while (my ($student,$data) = each %$classlist) { 183: my ($section,$status) = ($data->[$sec_index], 184: $data->[$status_index]); 185: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status; 186: } 187: } 188: 189: # Get discussion display default settings for user 190: if ($env{'environment.discdisplay'} eq 'unread') { 191: $showonlyunread = 1; 192: } 193: if ($env{'environment.discmarkread'} eq 'ondisp') { 194: $markondisp = 1; 195: } 196: 197: # Override user's default if user specified display setting for this discussion 198: if (defined($dischash{$ondispkey})) { 199: unless ($dischash{$ondispkey} eq '') { 200: $markondisp = $dischash{$ondispkey}; 201: } 202: } 203: if ($markondisp) { 204: $discinfo{$lastkey} = time; 205: } 206: 207: if (defined($dischash{$showkey})) { 208: unless ($dischash{$showkey} eq '') { 209: $showonlyunread = $dischash{$showkey}; 210: } 211: } 212: 213: if (defined($dischash{$markkey})) { 214: unless ($dischash{$markkey} eq '') { 215: $showunmark = $dischash{$markkey}; 216: } 217: } 218: 219: if (defined($dischash{$visitkey})) { 220: unless ($dischash{$visitkey} eq '') { 221: $visit = $dischash{$visitkey}; 222: } 223: } 224: $visit ++; 225: 226: my $seeid=&Apache::lonnet::allowed('rin',$crs); 227: my @discussionitems=(); 228: my %shown = (); 229: my @posteridentity=(); 230: 231: my $current=0; 232: my $visible=0; 233: my @depth=(); 234: my @replies = (); 235: my %alldiscussion=(); 236: my %imsitems=(); 237: my %imsfiles=(); 238: my %notshown = (); 239: my %newitem = (); 240: my $maxdepth=0; 241: my %anonhash=(); 242: my $anoncnt=0; 243: my $target=''; 244: unless ($env{'browser.interface'} eq 'textual' || 245: $env{'environment.remote'} eq 'off' ) { 246: $target='target="LONcom"'; 247: } 248: 249: my $now = time; 250: $discinfo{$visitkey} = $visit; 251: 252: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 253: &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); 254: 255: my $discussion=''; 256: my $manifestfile; 257: my $manifestok=0; 258: my $tempexport; 259: my $imsresources; 260: my $copyresult; 261: 262: my $function = &Apache::loncommon::get_users_function(); 263: my $color = &Apache::loncommon::designparm($function.'.tabbg', 264: $env{'user.domain'}); 265: my %lt = &Apache::lonlocal::texthash( 266: 'cuse' => 'Current discussion settings', 267: 'allposts' => 'All posts', 268: 'unread' => 'New posts only', 269: 'unmark' => 'Unread only', 270: 'ondisp' => 'Once displayed', 271: 'onmark' => 'Once marked not NEW', 272: 'toggoff' => 'Off', 273: 'toggon' => 'On', 274: 'disa' => 'Posts to be displayed', 275: 'npce' => 'Posts cease to be marked "NEW"', 276: 'epcb' => 'Each post can be toggled read/unread', 277: 'chgt' => 'Change', 278: 'disp' => 'Display', 279: 'nolo' => 'Not new', 280: 'togg' => 'Toggle read/unread', 281: ); 282: 283: my $currdisp = $lt{'allposts'}; 284: my $currmark = $lt{'onmark'}; 285: my $currtogg = $lt{'toggoff'}; 286: my $dispchange = $lt{'unread'}; 287: my $markchange = $lt{'ondisp'}; 288: my $toggchange = $lt{'toggon'}; 289: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 290: my $displinkA = 'onlyunread'; 291: my $displinkB = 'onlyunmark'; 292: my $marklink = 'markondisp'; 293: my $togglink = 'toggon'; 294: 295: if ($markondisp) { 296: $currmark = $lt{'ondisp'}; 297: $markchange = $lt{'onmark'}; 298: $marklink = 'markonread'; 299: } 300: 301: if ($showonlyunread) { 302: $currdisp = $lt{'unread'}; 303: $dispchange = $lt{'allposts'}; 304: $displinkA = 'allposts'; 305: } 306: 307: if ($showunmark) { 308: $currdisp = $lt{'unmark'}; 309: $dispchange = $lt{'unmark'}; 310: $displinkA='allposts'; 311: $displinkB='onlyunread'; 312: $showonlyunread = 0; 313: } 314: 315: if ($dischash{$toggkey}) { 316: $currtogg = $lt{'toggon'}; 317: $toggchange = $lt{'toggoff'}; 318: $togglink = 'toggoff'; 319: } 320: 321: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 322: 323: if ($newpostsflag) { 324: $chglink .= '&previous='.$prevread; 325: } 326: 327: if ($visible) { 328: # Print the discusssion 329: if ($outputtarget eq 'tex') { 330: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 331: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 332: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 333: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 334: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 335: } elsif ($outputtarget eq 'export') { 336: # Create temporary directory if this is an export 337: my $now = time; 338: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 339: $tempexport = $$imsextras{'tempexport'}; 340: if (!-e $tempexport) { 341: mkdir($tempexport,0700); 342: } 343: $tempexport .= '/'.$$imsextras{'count'}; 344: if (!-e $tempexport) { 345: mkdir($tempexport,0700); 346: } 347: } else { 348: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 349: if (!-e $tempexport) { 350: mkdir($tempexport,0700); 351: } 352: $tempexport .= '/'.$now; 353: if (!-e $tempexport) { 354: mkdir($tempexport,0700); 355: } 356: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 357: } 358: if (!-e $tempexport) { 359: mkdir($tempexport,0700); 360: } 361: # open manifest file 362: my $manifest = '/imsmanifest.xml'; 363: my $manifestfilename = $tempexport.$manifest; 364: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 365: $manifestok=1; 366: print $manifestfile qq| 367: <?xml version="1.0" encoding="UTF-8"?> 368: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 369: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 370: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 371: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 372: <organizations default="$ressymb"> 373: <organization identifier="$ressymb"> 374: <title>Discussion for $ressymb</title>\n|; 375: } else { 376: $discussion .= 'An error occurred opening the manifest file.<br />'; 377: } 378: } else { 379: my $colspan=$maxdepth+1; 380: $discussion.= qq| 381: <script> 382: function studentdelete (symb,idx,newflag,previous) { 383: var symbparm = symb+':::'+idx 384: var prevparm = "" 385: if (newflag == 1) { 386: prevparm = "&previous="+previous 387: } 388: 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")) { 389: document.location.href = "/adm/feedback?hide="+symbparm+prevparm 390: } 391: } 392: </script> 393: |; 394: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">'; 395: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'. 396: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>'; 397: my $escsymb=&Apache::lonnet::escape($ressymb); 398: if ($visible>2) { 399: $discussion.='<td align="left">'. 400: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 401: if ($newpostsflag) { 402: $discussion .= '&previous='.$prevread; 403: } 404: $discussion .='">'.&mt('Threaded View').'</a>  '. 405: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 406: if ($newpostsflag) { 407: $discussion .= '&previous='.$prevread; 408: } 409: $discussion .='">'.&mt('Chronological View').'</a>   410: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb; 411: if ($newpostsflag) { 412: $discussion .= '&previous='.$prevread; 413: } 414: $discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp'; 415: } else { 416: $discussion .= '<td align="left">'; 417: } 418: $discussion .='<a href= "/adm/feedback?export='.$escsymb; 419: if ($newpostsflag) { 420: $discussion .= '&previous='.$prevread; 421: } 422: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 423: if ($newpostsflag) { 424: if (!$markondisp) { 425: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions">'. 426: &mt('Preferences on what is marked as NEW'). 427: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb.'">'.&mt('Mark NEW posts no longer new').'</a>'; 428: } else { 429: $discussion .= '<td> </td>'; 430: } 431: } else { 432: $discussion .= '<td> </td>'; 433: } 434: $discussion .= '</tr></table></td></tr>'; 435: 436: my $numhidden = keys %notshown; 437: if ($numhidden > 0) { 438: my $colspan = $maxdepth+1; 439: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 440: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 441: if ($newpostsflag) { 442: $discussion .= '&previous='.$prevread; 443: } 444: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 445: $numhidden.' '; 446: if ($showunmark) { 447: $discussion .= &mt('posts previously marked read'); 448: } else { 449: $discussion .= &mt('previously viewed posts'); 450: } 451: $discussion .= '<br/></td></tr>'; 452: } 453: } 454: 455: # Choose sort mechanism 456: my @showposts = (); 457: if ($sortposts eq 'descdate') { 458: @showposts = (sort { $b <=> $a } keys %alldiscussion); 459: } elsif ($sortposts eq 'thread') { 460: @showposts = (sort { $a <=> $b } keys %alldiscussion); 461: } elsif ($sortposts eq 'subject') { 462: foreach (sort keys %subjectsort) { 463: push @showposts, @{$subjectsort{$_}}; 464: } 465: } elsif ($sortposts eq 'username') { 466: foreach my $domain (sort keys %usernamesort) { 467: foreach (sort keys %{$usernamesort{$domain}}) { 468: push @showposts, @{$usernamesort{$domain}{$_}}; 469: } 470: } 471: } elsif ($sortposts eq 'lastfirst') { 472: foreach my $last (sort keys %namesort) { 473: foreach (sort keys %{$namesort{$last}}) { 474: push @showposts, @{$namesort{$last}{$_}}; 475: } 476: } 477: } else { 478: @showposts = (sort { $a <=> $b } keys %alldiscussion); 479: } 480: my $currdepth = 0; 481: my $firstidx = $alldiscussion{$showposts[0]}; 482: foreach (@showposts) { 483: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 484: $alldiscussion{$_} = $_; 485: } 486: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) { 487: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 488: $discussion.="\n<tr>"; 489: } 490: my $thisdepth=$depth[$alldiscussion{$_}]; 491: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 492: for (1..$thisdepth) { 493: $discussion.='<td>   </td>'; 494: } 495: } 496: my $colspan=$maxdepth-$thisdepth+1; 497: if ($outputtarget eq 'tex') { 498: #cleanup block 499: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 500: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 501: my $threadinsert=''; 502: if ($thisdepth > 0) { 503: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 504: } 505: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 506: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 507: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 508: 509: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}]; 510: $discussion.=$discussionitems[$alldiscussion{$_}]; 511: } elsif ($outputtarget eq 'export') { 512: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html'; 513: if ($manifestok) { 514: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) { 515: print $manifestfile ' </item>'."\n"; 516: } 517: $currdepth = $depth[$alldiscussion{$_}]; 518: print $manifestfile "\n". 519: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'. 520: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'. 521: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>'; 522: $imsresources .= "\n". 523: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n". 524: '<file href="'.$postfilename.'">'."\n". 525: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n". 526: '</resource>'; 527: } 528: my $postingfile; 529: my $postingfilename = $tempexport.'/'.$postfilename; 530: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 531: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 532: $imsitems{$alldiscussion{$_}}{'title'}.' '. 533: $imsitems{$alldiscussion{$_}}{'sender'}. 534: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'. 535: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'. 536: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n"; 537: close($postingfile); 538: } else { 539: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />'; 540: } 541: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport); 542: } else { 543: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}]. 544: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}]. 545: '</td></tr>'; 546: } 547: } 548: } 549: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 550: my $colspan=$maxdepth+1; 551: $discussion .= <<END; 552: <tr bgcolor="#FFFFFF"> 553: <td colspan="$colspan" valign="top"> 554: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2"> 555: <tr> 556: <td align="left"> 557: <table border="0" cellpadding="0" cellspacing="4"> 558: <tr> 559: <td> 560: <font size="-1"><b>$lt{'cuse'}</b>:</td> 561: <td> </td> 562: <td><font size="-1"> 563: END 564: if ($newpostsflag) { 565: $discussion .= 566: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 567: if ($dischash{$toggkey}) { 568: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 569: } 570: } else { 571: if ($dischash{$toggkey}) { 572: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 573: } else { 574: $discussion .= 575: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 576: } 577: } 578: $discussion .= <<END; 579: </font></td> 580: <td> </td> 581: <td align="left"> 582: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 583: </td> 584: </tr> 585: </table> 586: </td> 587: END 588: if ($sortposts) { 589: my %sort_types = (); 590: my %role_types = (); 591: my %status_types = (); 592: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 593: 594: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 595: if (defined($env{'form.totposters'})) { 596: $discussion .= &mt('Posts by').':'; 597: if ($totposters > 0) { 598: foreach my $poster (@posters) { 599: $poster =~ s/:/\@/; 600: $discussion .= ' '.$poster.','; 601: } 602: $discussion =~ s/,$//; 603: } else { 604: $discussion .= &mt('None selected'); 605: } 606: } else { 607: my $filterchoice =''; 608: if (@sectionpick > 0) { 609: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 610: $filterchoice .= '    '; 611: } 612: if (@rolefilter > 0) { 613: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 614: foreach (@rolefilter) { 615: $filterchoice .= ' '.$role_types{$_}.','; 616: } 617: $filterchoice =~ s/,$//; 618: $filterchoice .= '<br /> &nbsp    &nbsp '; 619: } 620: if ($statusfilter) { 621: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 622: } 623: if ($filterchoice) { 624: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 625: } 626: $discussion .= '</font></td>'; 627: } 628: } 629: if ($dischash{$toggkey}) { 630: my $storebutton = &mt('Store read/unread changes'); 631: $discussion.='<td align="right">'. 632: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n". 633: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 634: ' onClick="this.form.submit();">'."\n". 635: '</td>'; 636: } 637: $discussion .= (<<END); 638: </tr> 639: </table> 640: </td> 641: </tr> 642: </table> 643: <br /><br /></form> 644: END 645: } 646: if ($outputtarget eq 'export') { 647: if ($manifestok) { 648: while ($currdepth > 0) { 649: print $manifestfile " </item>\n"; 650: $currdepth --; 651: } 652: print $manifestfile qq| 653: </organization> 654: </organizations> 655: <resources> 656: $imsresources 657: </resources> 658: </manifest> 659: |; 660: close($manifestfile); 661: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 662: $discussion = $copyresult; 663: } else { 664: 665: #Create zip file in prtspool 666: 667: my $imszipfile = '/prtspool/'. 668: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 669: time.'_'.rand(1000000000).'.zip'; 670: my $cwd = &getcwd(); 671: my $imszip = '/home/httpd/'.$imszipfile; 672: chdir $tempexport; 673: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 674: close(OUTPUT); 675: chdir $cwd; 676: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />'; 677: if ($copyresult) { 678: $discussion .= 'The following errors occurred during export - <br />'.$copyresult; 679: } 680: } 681: } else { 682: $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 />'; 683: } 684: return $discussion; 685: } 686: } 687: if ($discussiononly) { 688: my $now = time; 689: my $attachnum = 0; 690: my $newattachmsg = ''; 691: my @currnewattach = (); 692: my @currdelold = (); 693: my $comment = ''; 694: my $subject = ''; 695: if ($env{'form.origpage'}) { 696: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 697: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 698: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 699: my @keepold = (); 700: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 701: if (@currnewattach > 0) { 702: $attachnum += @currnewattach; 703: } 704: } 705: if (&discussion_open($status)) { 706: $discussion.=(<<ENDDISCUSS); 707: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> 708: <input type="submit" name="discuss" value="Post Discussion" /> 709: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> 710: <input type="hidden" name="symb" value="$ressymb" /> 711: <input type="hidden" name="sendit" value="true" /> 712: <input type="hidden" name="timestamp" value="$now" /> 713: <br /><a name="newpost"></a> 714: <font size="1">Note: in anonymous discussion, your name is visible only 715: to course faculty</font><br /> 716: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 717: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 718: ENDDISCUSS 719: if ($env{'form.origpage'}) { 720: $discussion.='<input type="hidden" name="origpage" value="'.$env{'form.origpage'}.'" />'."\n"; 721: foreach (@currnewattach) { 722: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 723: } 724: } 725: $discussion.="</form>\n"; 726: if ($outputtarget ne 'tex') { 727: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode); 728: if (@currnewattach > 0) { 729: $newattachmsg .= '<b>New attachments</b><br />'; 730: if (@currnewattach > 1) { 731: $newattachmsg .= '<ol>'; 732: foreach my $item (@currnewattach) { 733: $item =~ m#.*/([^/]+)$#; 734: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 735: } 736: $newattachmsg .= '</ol>'."\n"; 737: } else { 738: $currnewattach[0] =~ m#.*/([^/]+)$#; 739: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 740: } 741: } 742: $discussion.=$newattachmsg; 743: $discussion.=&generate_preview_button(); 744: } 745: } 746: } else { 747: if (&discussion_open($status) && 748: &Apache::lonnet::allowed('pch', 749: $env{'request.course.id'}. 750: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 751: if ($outputtarget ne 'tex') { 752: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='. 753: &Apache::lonnet::escape($ressymb).':::" '.$target.'>'. 754: '<img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'. 755: &mt('Post Discussion').'</a></td></tr></table>'; 756: } 757: } 758: } 759: return $discussion; 760: } 761: 762: sub build_posting_display { 763: 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) = @_; 764: my @original=(); 765: my @index=(); 766: my $symb=&Apache::lonenc::check_decrypt($ressymb); 767: my $escsymb=&Apache::lonnet::escape($ressymb); 768: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 769: $env{'course.'.$env{'request.course.id'}.'.domain'}, 770: $env{'course.'.$env{'request.course.id'}.'.num'}); 771: 772: if ($contrib{'version'}) { 773: my $oldest = $contrib{'1:timestamp'}; 774: if ($prevread eq '0') { 775: $prevread = $oldest-1; 776: } 777: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 778: if ($sortposts) { 779: ($skiptest,$roleregexp,$secregexp,$statusregexp) = &filter_regexp($rolefilter,$sectionpick,$statusfilter); 780: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 781: } 782: for (my $id=1;$id<=$contrib{'version'};$id++) { 783: my $idx=$id; 784: my $posttime = $contrib{$idx.':timestamp'}; 785: if ($prevread <= $posttime) { 786: $$newpostsflag = 1; 787: } 788: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 789: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 790: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 791: my $origindex='0.'; 792: my $numoldver=0; 793: if ($contrib{$idx.':replyto'}) { 794: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 795: # this is a follow-up message 796: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 797: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 798: $origindex=$index[$contrib{$idx.':replyto'}]; 799: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 800: } else { 801: $original[$idx]=0; 802: $$depth[$idx]=0; 803: } 804: } else { 805: # this is an original message 806: $original[$idx]=0; 807: $$depth[$idx]=0; 808: } 809: if ($$replies[$$depth[$idx]]) { 810: $$replies[$$depth[$idx]]++; 811: } else { 812: $$replies[$$depth[$idx]]=1; 813: } 814: unless ((($hidden) && (!$seeid)) || ($deleted)) { 815: $$visible++; 816: if ($contrib{$idx.':history'}) { 817: if ($contrib{$idx.':history'} =~ /:/) { 818: my @oldversions = split/:/,$contrib{$idx.':history'}; 819: $numoldver = @oldversions; 820: } else { 821: $numoldver = 1; 822: } 823: } 824: $$current = $numoldver; 825: my %messages = (); 826: my %subjects = (); 827: my %attachtxt = (); 828: my %allattachments = (); 829: my ($screenname,$plainname); 830: my $sender = &mt('Anonymous'); 831: # Anonymous users getting number within a discussion 832: # Since idx is in static order, this should give the same sequence every time. 833: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 834: unless ($$anonhash{$key}) { 835: $anoncnt++; 836: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 837: } 838: my ($message,$subject,$vgrlink,$ctlink); 839: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 840: 841: 842: # Set up for sorting by subject 843: unless ($outputtarget eq 'export') { 844: $message=$messages{$numoldver}; 845: $message.=$attachtxt{$numoldver}; 846: $subject=$subjects{$numoldver}; 847: if ($message) { 848: if ($hidden) { 849: $message='<font color="#888888">'.$message.'</font>'; 850: if ($studenthidden) { 851: $message .='<br /><br />Deleted by poster (student).'; 852: } 853: } 854: 855: if ($subject eq '') { 856: if (defined($$subjectsort{'__No subject'})) { 857: push @{$$subjectsort{'__No subject'}}, $idx; 858: } else { 859: @{$$subjectsort{'__No subject'}} = ("$idx"); 860: } 861: } else { 862: if (defined($$subjectsort{$subject})) { 863: push @{$$subjectsort{$subject}}, $idx; 864: } else { 865: @{$$subjectsort{$subject}} = ("$idx"); 866: } 867: } 868: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 869: $sender=&Apache::loncommon::aboutmewrapper( 870: $plainname, 871: $contrib{$idx.':sendername'}, 872: $contrib{$idx.':senderdomain'}).' ('. 873: $contrib{$idx.':sendername'}.' at '. 874: $contrib{$idx.':senderdomain'}.')'; 875: if ($contrib{$idx.':anonymous'}) { 876: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 877: $screenname; 878: } 879: 880: # Set up for sorting by domain, then username 881: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 882: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 883: } 884: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 885: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx; 886: } else { 887: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 888: } 889: # Set up for sorting by last name, then first name 890: my %names = &Apache::lonnet::get('environment', 891: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 892: ,$contrib{$idx.':sendername'}); 893: my $lastname = $names{'lastname'}; 894: my $firstname = $names{'firstname'}; 895: if ($lastname eq '') { 896: $lastname = '_'; 897: } 898: if ($firstname eq '') { 899: $firstname = '_'; 900: } 901: unless (defined($$namesort{$lastname})) { 902: %{$$namesort{$lastname}} = (); 903: } 904: if (defined($$namesort{$lastname}{$firstname})) { 905: push @{$$namesort{$lastname}{$firstname}}, $idx; 906: } else { 907: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 908: } 909: if (&editing_allowed()) { 910: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 911: $sender.=' <a href="/adm/feedback?editdisc='. 912: $escsymb.':::'.$idx; 913: if ($$newpostsflag) { 914: $sender .= '&previous='.$prevread; 915: } 916: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 917: unless ($seeid) { 918: $sender.=" <a href=\"javascript:studentdelete('$escsymb','$idx','$$newpostsflag','$prevread')"; 919: $sender .= '">'.&mt('Delete').'</a>'; 920: } 921: } 922: } 923: if ($seeid) { 924: if ($hidden) { 925: unless ($studenthidden) { 926: $sender.=' <a href="/adm/feedback?unhide='. 927: $escsymb.':::'.$idx; 928: if ($$newpostsflag) { 929: $sender .= '&previous='.$prevread; 930: } 931: $sender .= '">'.&mt('Make Visible').'</a>'; 932: } 933: } else { 934: $sender.=' <a href="/adm/feedback?hide='. 935: $escsymb.':::'.$idx; 936: if ($$newpostsflag) { 937: $sender .= '&previous='.$prevread; 938: } 939: $sender .= '">'.&mt('Hide').'</a>'; 940: } 941: $sender.=' <a href="/adm/feedback?deldisc='. 942: $escsymb.':::'.$idx; 943: if ($$newpostsflag) { 944: $sender .= '&previous='.$prevread; 945: } 946: $sender .= '">'.&mt('Delete').'</a>'; 947: } 948: } else { 949: if ($screenname) { 950: $sender='<i>'.$screenname.'</i>'; 951: } else { 952: $sender='<i>'.$$anonhash{$key}.'</i>'; 953: } 954: # Set up for sorting by domain, then username for anonymous 955: unless (defined($$usernamesort{'__anon'})) { 956: %{$$usernamesort{'__anon'}} = (); 957: } 958: if (defined($$usernamesort{'__anon'}{'__anon'})) { 959: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx; 960: } else { 961: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 962: } 963: # Set up for sorting by last name, then first name for anonymous 964: unless (defined($$namesort{'__anon'})) { 965: %{$$namesort{'__anon'}} = (); 966: } 967: if (defined($$namesort{'__anon'}{'__anon'})) { 968: push @{$$namesort{'__anon'}{'__anon'}}, $idx; 969: } else { 970: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 971: } 972: } 973: if (&discussion_open($status) && 974: &Apache::lonnet::allowed('pch', 975: $env{'request.course.id'}. 976: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 977: $sender.=' <a href="/adm/feedback?replydisc='. 978: $escsymb.':::'.$idx; 979: if ($$newpostsflag) { 980: $sender .= '&previous='.$prevread; 981: } 982: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 983: } 984: if ($viewgrades) { 985: $vgrlink=&Apache::loncommon::submlink('Submissions', 986: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 987: } 988: if ($$dischash{$readkey}=~/\.$idx\./) { 989: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 990: } else { 991: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 992: } 993: } 994: #figure out at what position this needs to print 995: } 996: if ($outputtarget eq 'export' || $message) { 997: my $thisindex=$idx; 998: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 999: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1000: } 1001: $$alldiscussion{$thisindex}=$idx; 1002: $$shown{$idx} = 0; 1003: $index[$idx]=$thisindex; 1004: } 1005: if ($outputtarget eq 'export') { 1006: %{$$imsitems{$idx}} = (); 1007: $$imsitems{$idx}{'isvisible'}='true'; 1008: if ($hidden) { 1009: $$imsitems{$idx}{'isvisible'}='false'; 1010: } 1011: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1012: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1013: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1014: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1015: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1016: $contrib{$idx.':sendername'}.' at '. 1017: $contrib{$idx.':senderdomain'}.')'; 1018: $$imsitems{$idx}{'isanonymous'}='false'; 1019: if ($contrib{$idx.':anonymous'}) { 1020: $$imsitems{$idx}{'isanonymous'}='true'; 1021: } 1022: $$imsitems{$idx}{'currversion'}=$numoldver; 1023: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1024: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1025: $$shown{$idx} = 1; 1026: } 1027: } else { 1028: if ($message) { 1029: my $spansize = 2; 1030: if ($showonlyunread && $prevread > $posttime) { 1031: $$notshown{$idx} = 1; 1032: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1033: $$notshown{$idx} = 1; 1034: } else { 1035: # apply filters 1036: my $uname = $contrib{$idx.':sendername'}; 1037: my $udom = $contrib{$idx.':senderdomain'}; 1038: my $poster = $uname.':'.$udom; 1039: if (defined($env{'form.totposters'})) { 1040: if ($totposters == 0) { 1041: $$shown{$idx} = 0; 1042: } elsif ($totposters > 0) { 1043: if (grep/^$poster$/,@{$posters}) { 1044: $$shown{$idx} = 1; 1045: } 1046: } 1047: } elsif ($sortposts) { 1048: if ($skiptest) { 1049: $$shown{$idx} = 1; 1050: } else { 1051: foreach my $role (@{$$roleinfo{$poster}}) { 1052: if ($role =~ /^cc:/) { 1053: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1054: if ($role =~ /$cc_regexp/) { 1055: $$shown{$idx} = 1; 1056: last; 1057: } 1058: } elsif ($role =~ /^$rolematch$/) { 1059: $$shown{$idx} = 1; 1060: last; 1061: } 1062: } 1063: } 1064: } else { 1065: $$shown{$idx} = 1; 1066: } 1067: } 1068: unless ($$notshown{$idx} == 1) { 1069: if ($prevread > 0 && $prevread <= $posttime) { 1070: $$newitem{$idx} = 1; 1071: $$discussionitems[$idx] .= ' 1072: <p><table border="0" width="100%"> 1073: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>'; 1074: } else { 1075: $$newitem{$idx} = 0; 1076: $$discussionitems[$idx] .= ' 1077: <p><table border="0" width="100%"> 1078: <tr><td align="left"> </td>'; 1079: } 1080: $$discussionitems[$idx] .= '<td align ="left">  '. 1081: '<b>'.$subject.'</b>  '. 1082: $sender.'</b> '.$vgrlink.' ('. 1083: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1084: if ($$dischash{$toggkey}) { 1085: $$discussionitems[$idx].='<td align="right">  '. 1086: $ctlink.'</td>'; 1087: } 1088: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1089: $message.'</blockquote></p>'; 1090: if ($contrib{$idx.':history'}) { 1091: my @postversions = (); 1092: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1093: if ($seeid) { 1094: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx.'">'.&mt('Display all versions').'</a>'; 1095: } 1096: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1097: if ($contrib{$idx.':history'} =~ m/:/) { 1098: @postversions = split/:/,$contrib{$idx.':history'}; 1099: } else { 1100: @postversions = ("$contrib{$idx.':history'}"); 1101: } 1102: for (my $i=0; $i<@postversions; $i++) { 1103: my $version = $i+1; 1104: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1105: } 1106: } 1107: } 1108: } 1109: } 1110: } 1111: } 1112: } 1113: } 1114: 1115: sub filter_regexp { 1116: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1117: my ($roleregexp,$secregexp,$statusregexp); 1118: my $skiptest = 1; 1119: if (@{$rolefilter} > 0) { 1120: my @okrolefilter = (); 1121: foreach (@{$rolefilter}) { 1122: unless ($_ eq '') { 1123: push @okrolefilter, $_; 1124: } 1125: } 1126: if (@okrolefilter > 0) { 1127: if (grep/^all$/,@okrolefilter) { 1128: $roleregexp='[^:]+'; 1129: } else { 1130: if (@okrolefilter == 1) { 1131: $roleregexp=$okrolefilter[0]; 1132: } else { 1133: $roleregexp='('.join('|',@okrolefilter).')'; 1134: } 1135: $skiptest = 0; 1136: } 1137: } 1138: } 1139: if (@{$sectionpick} > 0) { 1140: my @oksectionpick = (); 1141: foreach (@{$sectionpick}) { 1142: unless ($_ eq '') { 1143: push @oksectionpick, $_; 1144: } 1145: } 1146: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1147: if (@oksectionpick == 1) { 1148: $secregexp = $oksectionpick[0]; 1149: } else { 1150: $secregexp .= '('.join('|',@oksectionpick).')'; 1151: } 1152: $skiptest = 0; 1153: } else { 1154: $secregexp .= '[^:]*'; 1155: } 1156: } 1157: if (defined($statusfilter) && $statusfilter ne '') { 1158: if ($statusfilter eq 'all') { 1159: $statusregexp = '[^:]+'; 1160: } else { 1161: $statusregexp = $statusfilter; 1162: $skiptest = 0; 1163: } 1164: } 1165: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1166: } 1167: 1168: 1169: sub get_post_contents { 1170: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1171: my $discussion = ''; 1172: my $start=$numver; 1173: my $end=$numver + 1; 1174: %{$$imsfiles{$idx}}=(); 1175: if ($type eq 'allversions') { 1176: unless($seeid) { 1177: $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role'); 1178: return $discussion; 1179: } 1180: } 1181: # $$screenname=&Apache::loncommon::screenname( 1182: # $$contrib{$idx.':sendername'}, 1183: # $$contrib{$idx.':senderdomain'}); 1184: $$plainname=&Apache::loncommon::nickname( 1185: $$contrib{$idx.':sendername'}, 1186: $$contrib{$idx.':senderdomain'}); 1187: $$screenname=$$contrib{$idx.':screenname'}; 1188: 1189: my $sender=&Apache::loncommon::aboutmewrapper( 1190: $$plainname, 1191: $$contrib{$idx.':sendername'}, 1192: $$contrib{$idx.':senderdomain'}).' ('. 1193: $$contrib{$idx.':sendername'}.' at '. 1194: $$contrib{$idx.':senderdomain'}.')'; 1195: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1196: my @postversions = (); 1197: if ($type eq 'allversions' || $type eq 'export') { 1198: $start = 0; 1199: if ($$contrib{$idx.':history'}) { 1200: @postversions = split(/:/,$$contrib{$idx.':history'}); 1201: } 1202: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1203: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1204: push @postversions,$$contrib{$idx.':timestamp'}; 1205: $end = @postversions; 1206: } else { 1207: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1208: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1209: } 1210: 1211: if ($$contrib{$idx.':anonymous'}) { 1212: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1213: } 1214: if ($type eq 'allversions') { 1215: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1216: } 1217: for (my $i=$start; $i<$end; $i++) { 1218: my ($timesent,$attachmsg); 1219: my %currattach = (); 1220: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1221: &newline_to_br(\$messages->{$i}); 1222: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1223: $$subjects{$i}=~s/\n/\<br \/\>/g; 1224: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1225: if ($attachmenturls) { 1226: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1227: } 1228: if ($type eq 'export') { 1229: $$imsfiles{$idx}{$i} = ''; 1230: if ($attachmsg) { 1231: $$attachtxt{$i} = '<br />Attachments:<br />'; 1232: foreach (sort keys %currattach) { 1233: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1234: my $fname = $1.$3.'/'.$4; 1235: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1236: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1237: } 1238: } 1239: } 1240: } else { 1241: if ($attachmsg) { 1242: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />'; 1243: } else { 1244: $$attachtxt{$i} = ''; 1245: } 1246: } 1247: if ($type eq 'allversions') { 1248: $discussion.= <<"END"; 1249: <li><b>$$subjects{$i}</b>, $timesent<br /> 1250: $$messages{$i}<br /> 1251: $$attachtxt{$i}</li> 1252: END 1253: } 1254: } 1255: if ($type eq 'allversions') { 1256: $discussion.=('</ul></body></html>'); 1257: return $discussion; 1258: } else { 1259: return; 1260: } 1261: } 1262: 1263: sub replicate_attachments { 1264: my ($attachrefs,$tempexport) = @_; 1265: my $response; 1266: foreach my $id (keys %{$attachrefs}) { 1267: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1268: my $path = $tempexport; 1269: my $tail = $1.'/'.$2.$4; 1270: my @extras = split/\//,$tail; 1271: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1272: if (!-e $destination) { 1273: my $i= 0; 1274: while ($i<@extras) { 1275: $path .= '/'.$extras[$i]; 1276: if (!-e $path) { 1277: mkdir($path,0700); 1278: } 1279: $i ++; 1280: } 1281: my ($content,$rtncode); 1282: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1283: if ($uploadreply eq 'ok') { 1284: my $attachcopy; 1285: if ($attachcopy = Apache::File->new('>'.$destination)) { 1286: print $attachcopy $content; 1287: close($attachcopy); 1288: } else { 1289: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n"; 1290: } 1291: } else { 1292: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1293: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n"; 1294: } 1295: } 1296: } 1297: } 1298: return $response; 1299: } 1300: 1301: sub mail_screen { 1302: my ($r,$feedurl,$options) = @_; 1303: if (exists($env{'form.origpage'})) { 1304: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog']); 1305: } 1306: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion', 1307: '','onLoad="window.focus();setposttype();"'); 1308: my $title=&Apache::lonnet::gettitle($feedurl); 1309: if (!$title) { $title = $feedurl; } 1310: my $quote=''; 1311: my $subject = ''; 1312: my $comment = ''; 1313: my $prevtag = ''; 1314: my $parentmsg = ''; 1315: my ($symb,$idx,$attachmenturls); 1316: my $numoldver = 0; 1317: my $attachmsg = ''; 1318: my $newattachmsg = ''; 1319: my @currnewattach = (); 1320: my @currdelold = (); 1321: my @keepold = (); 1322: my %attachments = (); 1323: my %currattach = (); 1324: my $attachnum = 0; 1325: my $anonchk = (<<END); 1326: function anonchk() { 1327: if (document.mailform.anondiscuss.checked == true) { 1328: document.attachment.anondiscuss.value = '1' 1329: } 1330: if (document.mailform.discuss.checked == true) { 1331: document.attachment.discuss.value = '1' 1332: } 1333: return 1334: } 1335: END 1336: my $anonscript; 1337: if (exists($env{'form.origpage'})) { 1338: $anonscript = (<<END); 1339: function setposttype() { 1340: var anondisc = $env{'form.anondiscuss'}; 1341: var disc = $env{'form.discuss'}; 1342: if (anondisc == 1) { 1343: document.mailform.anondiscuss.checked = true 1344: } 1345: if (disc == 1) { 1346: document.mailform.discuss.checked = true 1347: } 1348: return 1349: } 1350: END 1351: } else { 1352: $anonscript = (<<END); 1353: function setposttype() { 1354: return 1355: } 1356: END 1357: } 1358: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1359: if ($env{'form.replydisc'}) { 1360: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1361: } else { 1362: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1363: } 1364: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1365: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1366: $env{'course.'.$env{'request.course.id'}.'.num'}); 1367: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1368: if ($contrib{$idx.':history'}) { 1369: if ($contrib{$idx.':history'} =~ /:/) { 1370: my @oldversions = split/:/,$contrib{$idx.':history'}; 1371: $numoldver = @oldversions; 1372: } else { 1373: $numoldver = 1; 1374: } 1375: } 1376: if ($env{'form.replydisc'}) { 1377: if ($contrib{$idx.':history'}) { 1378: if ($contrib{$idx.':history'} =~ /:/) { 1379: my @oldversions = split/:/,$contrib{$idx.':history'}; 1380: $numoldver = @oldversions; 1381: } else { 1382: $numoldver = 1; 1383: } 1384: } 1385: my $message; 1386: if ($idx > 0) { 1387: my %msgversions = (); 1388: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1389: $message = $msgversions{$numoldver}; 1390: } 1391: &newline_to_br(\$message); 1392: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>'; 1393: if ($idx > 0) { 1394: my %subversions = (); 1395: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1396: $subject = 'Re: '.$subversions{$numoldver}; 1397: } 1398: $subject = &HTML::Entities::encode($subject,'<>&"'); 1399: } else { 1400: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1401: if ($idx > 0) { 1402: my %msgversions = (); 1403: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1404: $comment = $msgversions{$numoldver}; 1405: my %subversions = (); 1406: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1407: $subject = $subversions{$numoldver}; 1408: } 1409: if (defined($contrib{$idx.':replyto'})) { 1410: $parentmsg = $contrib{$idx.':replyto'}; 1411: } 1412: unless (exists($env{'form.origpage'})) { 1413: my $anonflag = 0; 1414: if ($contrib{$idx.':anonymous'}) { 1415: $anonflag = 1; 1416: } 1417: $anonscript = (<<END); 1418: function setposttype () { 1419: var currtype = $anonflag 1420: if (currtype == 1) { 1421: document.mailform.elements.discuss.checked = false 1422: document.mailform.elements.anondiscuss.checked = true 1423: } 1424: if (currtype == 0) { 1425: document.mailform.elements.anondiscuss.checked = false 1426: document.mailform.elements.discuss.checked = true 1427: } 1428: return 1429: } 1430: END 1431: } 1432: } 1433: } 1434: if ($env{'form.previous'}) { 1435: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1436: } 1437: } 1438: 1439: if ($env{'form.origpage'}) { 1440: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 1441: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 1442: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1443: } 1444: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); 1445: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders(); 1446: my $send=&mt('Send'); 1447: my $html=&Apache::lonxml::xmlbegin(); 1448: $r->print(<<END); 1449: $html 1450: <head> 1451: <title>The LearningOnline Network with CAPA</title> 1452: <meta http-equiv="pragma" content="no-cache"></meta> 1453: $htmlheader 1454: <script type="text/javascript"> 1455: // 1506: </script> 1507: </head> 1508: $bodytag 1509: <h2><tt>$title</tt></h2> 1510: <form action="/adm/feedback" method="post" name="mailform" 1511: enctype="multipart/form-data"> 1512: $prevtag 1513: <input type="hidden" name="postdata" value="$feedurl" /> 1514: END 1515: if ($env{'form.replydisc'}) { 1516: $r->print(<<END); 1517: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1518: END 1519: } elsif ($env{'form.editdisc'}) { 1520: $r->print(<<END); 1521: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1522: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1523: END 1524: } 1525: $r->print(<<END); 1526: Please check at least one of the following feedback types: 1527: $options<hr /> 1528: $quote 1529: <p>My question/comment/feedback:</p> 1530: <p> 1531: $latexHelp 1532: Title: <input type="text" name="subject" size="30" value="$subject" /></p> 1533: <p> 1534: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1535: </textarea></p> 1536: <p> 1537: END 1538: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1539: if ($env{'form.origpage'}) { 1540: foreach (@currnewattach) { 1541: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 1542: } 1543: foreach (@currdelold) { 1544: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 1545: } 1546: } 1547: if ($env{'form.editdisc'}) { 1548: if ($attachmenturls) { 1549: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1550: $attachnum = scalar(keys %currattach); 1551: foreach (keys %currattach) { 1552: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n"); 1553: } 1554: } 1555: } 1556: } else { 1557: $r->print(<<END); 1558: Attachment (128 KB max size): <input type="file" name="attachment" /> 1559: </p> 1560: END 1561: } 1562: $r->print(<<END); 1563: <p> 1564: <input type="hidden" name="sendit" value="1" /> 1565: <input type="button" value="$send" onClick='gosubmit();' /> 1566: </p> 1567: </form> 1568: END 1569: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1570: my $now = time; 1571: my $ressymb = $symb; 1572: my $postidx = ''; 1573: if ($env{'form.editdisc'}) { 1574: $postidx = $idx; 1575: } 1576: if (@currnewattach > 0) { 1577: $attachnum += @currnewattach; 1578: } 1579: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver)); 1580: if ($attachnum > 0) { 1581: if (@currnewattach > 0) { 1582: $newattachmsg .= '<b>New attachments</b><br />'; 1583: if (@currnewattach > 1) { 1584: $newattachmsg .= '<ol>'; 1585: foreach my $item (@currnewattach) { 1586: $item =~ m#.*/([^/]+)$#; 1587: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1588: } 1589: $newattachmsg .= '</ol>'."\n"; 1590: } else { 1591: $currnewattach[0] =~ m#.*/([^/]+)$#; 1592: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1593: } 1594: } 1595: if ($attachmsg) { 1596: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n"); 1597: } 1598: if ($newattachmsg) { 1599: $r->print("$newattachmsg<br />"); 1600: } 1601: } 1602: } 1603: $r->print(&generate_preview_button(). 1604: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1605: '</body></html>'); 1606: } 1607: 1608: sub print_display_options { 1609: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1610: &Apache::loncommon::content_type($r,'text/html'); 1611: $r->send_http_header; 1612: 1613: my $function = &Apache::loncommon::get_users_function(); 1614: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1615: $env{'user.domain'}); 1616: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1617: '',''); 1618: 1619: my %lt = &Apache::lonlocal::texthash( 1620: 'dido' => 'Discussion display options', 1621: 'pref' => 'Display Preference', 1622: 'curr' => 'Current setting ', 1623: 'actn' => 'Action', 1624: 'deff' => 'Default for all discussions', 1625: 'prca' => 'Preferences can be set for this discussion that determine ....', 1626: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', 1627: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1628: 'wipa' => 'Whether individual posts can be marked as read/unread', 1629: 'allposts' => 'All posts', 1630: 'unread' => 'New posts only', 1631: 'unmark' => 'Posts not marked read', 1632: 'ondisp' => 'Once displayed', 1633: 'onmark' => 'Once marked not NEW ', 1634: 'toggon' => 'Shown', 1635: 'toggoff' => 'Not shown', 1636: 'disa' => 'Posts displayed?', 1637: 'npmr' => 'New posts cease to be identified as "NEW"?', 1638: 'dotm' => 'Option to mark each post as read/unread?', 1639: 'chgt' => 'Change to ', 1640: 'mkdf' => 'Set to ', 1641: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1642: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1643: ); 1644: 1645: my $dispchangeA = $lt{'unread'}; 1646: my $dispchangeB = $lt{'unmark'}; 1647: my $markchange = $lt{'ondisp'}; 1648: my $toggchange = $lt{'toggon'}; 1649: my $currdisp = $lt{'allposts'}; 1650: my $currmark = $lt{'onmark'}; 1651: my $discdisp = 'allposts'; 1652: my $discmark = 'onmark'; 1653: my $currtogg = $lt{'toggoff'}; 1654: my $disctogg = 'toggoff'; 1655: 1656: if ($dispchgA eq 'allposts') { 1657: $dispchangeA = $lt{'allposts'}; 1658: $currdisp = $lt{'unread'}; 1659: $discdisp = 'unread'; 1660: } 1661: 1662: if ($markchg eq 'markonread') { 1663: $markchange = $lt{'onmark'}; 1664: $currmark = $lt{'ondisp'}; 1665: $discmark = 'ondisp'; 1666: } 1667: 1668: if ($dispchgB eq 'onlyunread') { 1669: $dispchangeB = $lt{'unread'}; 1670: $currdisp = $lt{'unmark'}; 1671: $discdisp = 'unmark'; 1672: } 1673: if ($toggchg eq 'toggoff') { 1674: $toggchange = $lt{'toggoff'}; 1675: $currtogg = $lt{'toggon'}; 1676: $disctogg = 'toggon'; 1677: } 1678: my $html=&Apache::lonxml::xmlbegin(); 1679: $r->print(<<END); 1680: $html 1681: <head> 1682: <title>$lt{'dido'}</title> 1683: <meta http-equiv="pragma" content="no-cache" /> 1684: <script> 1685: function discdispChk(caller) { 1686: var disctogg = '$toggchg' 1687: if (caller == 0) { 1688: if (document.modifydisp.discdisp[0].checked == true) { 1689: if (document.modifydisp.discdisp[1].checked == true) { 1690: document.modifydisp.discdisp[1].checked = false 1691: } 1692: } 1693: } 1694: if (caller == 1) { 1695: if (document.modifydisp.discdisp[1].checked == true) { 1696: if (document.modifydisp.discdisp[0].checked == true) { 1697: document.modifydisp.discdisp[0].checked = false 1698: } 1699: if (disctogg == 'toggon') { 1700: document.modifydisp.disctogg.checked = true 1701: } 1702: if (disctogg == 'toggoff') { 1703: document.modifydisp.disctogg.checked = false 1704: } 1705: } 1706: } 1707: if (caller == 2) { 1708: var dispchgB = '$dispchgB' 1709: if (disctogg == 'toggoff') { 1710: if (document.modifydisp.disctogg.checked == true) { 1711: if (dispchgB == 'onlyunmark') { 1712: document.modifydisp.discdisp[1].checked = false 1713: } 1714: } 1715: } 1716: } 1717: } 1718: 1719: function setDisp() { 1720: var prev = "$previous" 1721: var chktotal = 0 1722: if (document.modifydisp.discdisp[0].checked == true) { 1723: document.modifydisp.$dispchgA.value = "$symb" 1724: chktotal ++ 1725: } 1726: if (document.modifydisp.discdisp[1].checked == true) { 1727: document.modifydisp.$dispchgB.value = "$symb" 1728: chktotal ++ 1729: } 1730: if (document.modifydisp.discmark.checked == true) { 1731: document.modifydisp.$markchg.value = "$symb" 1732: chktotal ++ 1733: } 1734: if (document.modifydisp.disctogg.checked == true) { 1735: document.modifydisp.$toggchg.value = "$symb" 1736: chktotal ++ 1737: } 1738: if (chktotal > 0) { 1739: document.modifydisp.submit() 1740: } else { 1741: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1742: if (prev > 0) { 1743: location.href = "$feedurl?previous=$previous" 1744: } else { 1745: location.href = "$feedurl" 1746: } 1747: } 1748: } 1749: } 1750: </script> 1751: </head> 1752: $bodytag 1753: <form name="modifydisp" method="post" action="/adm/feedback"> 1754: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1755: <br /> 1756: <table border="0" cellpadding="0" cellspacing="0"> 1757: <tr> 1758: <td width="100%" bgcolor="#000000"> 1759: <table width="100%" border="0" cellpadding="1" cellspacing="0"> 1760: <tr> 1761: <td width="100%" bgcolor="#000000"> 1762: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF"> 1763: <tr bgcolor="$tabcolor"> 1764: <td><b>$lt{'pref'}</b></td> 1765: <td><b>$lt{'curr'}</b></td> 1766: <td><b>$lt{'actn'}?</b></td> 1767: </tr> 1768: <tr bgcolor="#dddddd"> 1769: <td>$lt{'disa'}</td> 1770: <td>$lt{$discdisp}</td> 1771: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1772: <br /> 1773: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1774: </td> 1775: </tr><tr bgcolor="#eeeeee"> 1776: <td>$lt{'npmr'}</td> 1777: <td>$lt{$discmark}</td> 1778: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1779: </tr><tr bgcolor="#dddddd"> 1780: <td>$lt{'dotm'}</td> 1781: <td>$lt{$disctogg}</td> 1782: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1783: </tr> 1784: </table> 1785: </td> 1786: </tr> 1787: </table> 1788: </td> 1789: </tr> 1790: </table> 1791: <br /> 1792: <br /> 1793: <input type="hidden" name="symb" value="$symb" /> 1794: <input type="hidden" name="previous" value="$previous" /> 1795: <input type="hidden" name="$dispchgA" value=""/> 1796: <input type="hidden" name="$dispchgB" value=""/> 1797: <input type="hidden" name="$markchg" value=""/> 1798: <input type="hidden" name="$toggchg" value="" /> 1799: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" /> 1800: <br /> 1801: <br /> 1802: </form> 1803: </body> 1804: </html> 1805: END 1806: return; 1807: } 1808: 1809: sub print_sortfilter_options { 1810: my ($r,$symb,$previous,$feedurl) = @_; 1811: 1812: &Apache::loncommon::content_type($r,'text/html'); 1813: $r->send_http_header; 1814: 1815: &Apache::lonenc::check_encrypt(\$symb); 1816: my @sections = (); 1817: my $section_sel = ''; 1818: my $numsections = 0; 1819: my $numvisible = 5; 1820: my %sectioncount = (); 1821: 1822: $numsections = &Apache::loncommon::get_sections($env{'course.'.$env{'request.course.id'}.'.domain'},$env{'course.'.$env{'request.course.id'}.'.num'},\%sectioncount); 1823: 1824: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 1825: @sections = ('all',$env{'request.course.sec'}); 1826: $numvisible = 2; 1827: } else { 1828: @sections = sort {$a cmp $b} keys(%sectioncount); 1829: unshift(@sections,'all'); # Put 'all' at the front of the list 1830: if ($numsections < 4) { 1831: $numvisible = $numsections + 1; 1832: } 1833: } 1834: foreach (@sections) { 1835: $section_sel .= " <option value=\"$_\" />$_\n"; 1836: } 1837: 1838: my $function = &Apache::loncommon::get_users_function(); 1839: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1840: $env{'user.domain'}); 1841: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1842: '',''); 1843: my %lt = &Apache::lonlocal::texthash( 1844: 'diso' => 'Discussion sorting and filtering options', 1845: 'diop' => 'Display Options', 1846: 'curr' => 'Current setting ', 1847: 'actn' => 'Action', 1848: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 1849: 'soor' => 'Sort order', 1850: 'spur' => 'Specific user roles', 1851: 'sprs' => 'Specific role status', 1852: 'spse' => 'Specific sections', 1853: 'psub' => 'Pick specific users (by name)', 1854: 'shal' => 'Show a list of current posters' 1855: ); 1856: 1857: my %sort_types = (); 1858: my %role_types = (); 1859: my %status_types = (); 1860: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 1861: my $html=&Apache::lonxml::xmlbegin(); 1862: $r->print(<<END); 1863: $html 1864: <head> 1865: <title>$lt{'diso'}</title> 1866: <meta http-equiv="pragma" content="no-cache" /> 1867: <script type="text/javascript"> 1868: function verifyFilter() { 1869: var rolenum = 0 1870: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 1871: if (document.modifyshown.rolefilter.options[i].selected == true) { 1872: rolenum ++ 1873: } 1874: } 1875: if (rolenum == 0) { 1876: document.modifyshown.rolefilter.options[0].selected = true 1877: } 1878: 1879: var secnum = 0 1880: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 1881: if (document.modifyshown.sectionpick.options[i].selected == true) { 1882: secnum ++ 1883: } 1884: } 1885: if (secnum == 0) { 1886: document.modifyshown.sectionpick.options[0].selected = true 1887: } 1888: document.modifyshown.submit(); 1889: } 1890: </script> 1891: </head> 1892: $bodytag 1893: <form name="modifyshown" method="post" action="/adm/feedback"> 1894: <b>$lt{'diso'}</b><br/> $lt{'prca'} 1895: <br /><br /> 1896: <table border="0"> 1897: <tr> 1898: <td><b>$lt{'soor'}</b></td> 1899: <td> </td> 1900: <td><b>$lt{'sprs'}</b></td> 1901: <td> </td> 1902: <td><b>$lt{'spur'}</b></td> 1903: <td> </td> 1904: <td><b>$lt{'spse'}</b></td> 1905: <td> </td> 1906: <td><b>$lt{'psub'}</b></td> 1907: </tr> 1908: <tr> 1909: <td align="center"> 1910: <select name="sortposts"> 1911: <option value="ascdate" selected="selected" />$sort_types{'ascdate'} 1912: <option value="descdate" />$sort_types{'descdate'} 1913: <option value="thread" />$sort_types{'thread'} 1914: <option value="subject" />$sort_types{'subject'} 1915: <option value="username" />$sort_types{'username'} 1916: <option value="lastfirst" />$sort_types{'lastfirst'} 1917: </select> 1918: </td> 1919: <td> </td> 1920: <td align="center"> 1921: <select name="statusfilter"> 1922: <option value="all" selected="selected" />$status_types{'all'} 1923: <option value="Active" />$status_types{'Active'} 1924: <option value="Expired" />$status_types{'Expired'} 1925: </select> 1926: </td> 1927: <td> </td> 1928: <td align="center"> 1929: <select name="rolefilter" multiple="true" size="5"> 1930: <option value="all" />$role_types{'all'} 1931: <option value="st" />$role_types{'st'} 1932: <option value="cc" />$role_types{'cc'} 1933: <option value="in" />$role_types{'in'} 1934: <option value="ta" />$role_types{'ta'} 1935: <option value="ep" />$role_types{'ep'} 1936: <option value="ad" />$role_types{'ad'} 1937: <option value="cr" />$role_types{'cr'} 1938: </select> 1939: </td> 1940: <td> </td> 1941: <td align="center"> 1942: <select name="sectionpick" multiple="true" size="$numvisible"> 1943: $section_sel 1944: </select> 1945: </td> 1946: <td> </td> 1947: <td><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 1948: </tr> 1949: </table> 1950: <br /> 1951: <br /> 1952: <input type="hidden" name="previous" value="$previous" /> 1953: <input type="hidden" name="applysort" value="$symb" /> 1954: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" /> 1955: <br /> 1956: <br /> 1957: </form> 1958: </body> 1959: </html> 1960: END 1961: } 1962: 1963: sub print_showposters { 1964: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 1965: 1966: &Apache::loncommon::content_type($r,'text/html'); 1967: $r->send_http_header; 1968: 1969: &Apache::lonenc::check_encrypt(\$symb); 1970: my $crs='/'.$env{'request.course.id'}; 1971: if ($env{'request.course.sec'}) { 1972: $crs.='_'.$env{'request.course.sec'}; 1973: } 1974: $crs=~s/\_/\//g; 1975: my $seeid=&Apache::lonnet::allowed('rin',$crs); 1976: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1977: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1978: $env{'course.'.$env{'request.course.id'}.'.num'}); 1979: my %namesort = (); 1980: my %postcounts = (); 1981: my %lt=&Apache::lonlocal::texthash( 1982: 'diso' => 'Discussion filtering options', 1983: ); 1984: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1985: '',''); 1986: if ($contrib{'version'}) { 1987: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 1988: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 1989: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 1990: unless ((($hidden) && (!$seeid)) || ($deleted)) { 1991: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 1992: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1993: my $lastname = $names{'lastname'}; 1994: my $firstname = $names{'firstname'}; 1995: if ($lastname eq '') { 1996: $lastname = '_'; 1997: } 1998: if ($firstname eq '') { 1999: $firstname = '_'; 2000: } 2001: unless (defined($namesort{$lastname})) { 2002: %{$namesort{$lastname}} = (); 2003: } 2004: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2005: $postcounts{$poster} ++; 2006: if (defined($namesort{$lastname}{$firstname})) { 2007: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2008: push @{$namesort{$lastname}{$firstname}}, $poster; 2009: } 2010: } else { 2011: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2012: } 2013: } 2014: } 2015: } 2016: } 2017: my $html=&Apache::lonxml::xmlbegin(); 2018: $r->print(<<END); 2019: $html 2020: <head> 2021: <title>$lt{'diso'}</title> 2022: <meta http-equiv="pragma" content="no-cache" /> 2023: </head> 2024: $bodytag 2025: <form name="pickpostersform" method="post"> 2026: <table border="0"> 2027: <tr> 2028: <td bgcolor="#777777"> 2029: <table border="0" cellpadding="3"> 2030: <tr bgcolor="#e6ffff"> 2031: <td><b>No.</b></td> 2032: <td><b>Select</b></td> 2033: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td> 2034: <td><b>Posts</td> 2035: </tr> 2036: END 2037: my $count = 0; 2038: foreach my $last (sort keys %namesort) { 2039: foreach my $first (sort keys %{$namesort{$last}}) { 2040: foreach (sort @{$namesort{$last}{$first}}) { 2041: my ($uname,$udom) = split/:/,$_; 2042: if (!$uname || !$udom) { 2043: next; 2044: } else { 2045: $count ++; 2046: $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>'); 2047: } 2048: } 2049: } 2050: } 2051: $r->print(<<END); 2052: </table> 2053: </td> 2054: </tr> 2055: </table> 2056: <br /> 2057: <input type="hidden" name="sortposts" value="$sortposts" /> 2058: <input type="hidden" name="userpick" value="$symb" /> 2059: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2060: </form> 2061: </body> 2062: </html> 2063: END 2064: } 2065: 2066: sub get_post_versions { 2067: my ($versions,$incoming,$htmldecode,$numver) = @_; 2068: if ($incoming =~ /^<version num="0">/) { 2069: my $p = HTML::LCParser->new(\$incoming); 2070: my $done = 0; 2071: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2072: my $num = $token->[1]{num}; 2073: my $text = $p->get_text("/version"); 2074: if (defined($numver)) { 2075: if ($num == $numver) { 2076: if ($htmldecode) { 2077: $text = &HTML::Entities::decode($text); 2078: } 2079: $$versions{$numver}=$text; 2080: $done = 1; 2081: } 2082: } else { 2083: if ($htmldecode) { 2084: $text = &HTML::Entities::decode($text); 2085: } 2086: $$versions{$num}=$text; 2087: } 2088: } 2089: } else { 2090: if (!defined($numver)) { 2091: $numver = 0; 2092: } 2093: if ($htmldecode) { 2094: $$versions{$numver} = $incoming; 2095: } else { 2096: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2097: } 2098: } 2099: return; 2100: } 2101: 2102: sub get_post_attachments { 2103: my ($attachments,$attachmenturls) = @_; 2104: my $num; 2105: if ($attachmenturls =~ m/^<attachment id="0">/) { 2106: my $p = HTML::LCParser->new(\$attachmenturls); 2107: while (my $token = $p->get_tag("attachment","filename","post")) { 2108: if ($token->[0] eq "attachment") { 2109: $num = $token->[1]{id}; 2110: %{$$attachments{$num}} =(); 2111: } elsif ($token->[0] eq "filename") { 2112: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2113: } elsif ($token->[0] eq "post") { 2114: my $id = $token->[1]{id}; 2115: $$attachments{$num}{$id} = $p->get_text("/post"); 2116: } 2117: } 2118: } else { 2119: %{$$attachments{'0'}} = (); 2120: $$attachments{'0'}{'filename'} = $attachmenturls; 2121: $$attachments{'0'}{'0'} = 'n'; 2122: } 2123: 2124: return; 2125: } 2126: 2127: sub fail_redirect { 2128: my ($r,$feedurl) = @_; 2129: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2130: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2131: my $html=&Apache::lonxml::xmlbegin(); 2132: $r->print (<<ENDFAILREDIR); 2133: $html 2134: <head> 2135: <title>Feedback not sent</title> 2136: <meta http-equiv="pragma" content="no-cache" /> 2137: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2138: </head> 2139: <body bgcolor="#FFFFFF"> 2140: <img align="right" src="$logo" /> 2141: <b>Sorry, no recipients ...</b> 2142: <br /><a href="$feedurl">Continue</a> 2143: </body> 2144: </html> 2145: ENDFAILREDIR 2146: } 2147: 2148: sub redirect_back { 2149: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$numpicks) = @_; 2150: my $sorttag = ''; 2151: my $roletag = ''; 2152: my $statustag = ''; 2153: my $sectag = ''; 2154: my $userpicktag = ''; 2155: my $qrystr = ''; 2156: my $prevtag = ''; 2157: 2158: &Apache::loncommon::content_type($r,'text/html'); 2159: $r->send_http_header; 2160: 2161: &dewrapper(\$feedurl); 2162: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2163: if ($previous > 0) { 2164: $qrystr = 'previous='.$previous; 2165: if ($feedurl =~ /\?register=1/) { 2166: $feedurl .= '&'.$qrystr; 2167: } else { 2168: $feedurl .= '?'.$qrystr; 2169: } 2170: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2171: } 2172: if (defined($sort)) { 2173: my $sortqry = 'sortposts='.$sort; 2174: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2175: $feedurl .= '&'.$sortqry; 2176: } else { 2177: $feedurl .= '?'.$sortqry; 2178: } 2179: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2180: if (defined($numpicks)) { 2181: my $userpickqry = 'totposters='.$numpicks; 2182: $feedurl .= '&'.$userpickqry; 2183: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2184: } else { 2185: if (ref($sectionpick) eq 'ARRAY') { 2186: $feedurl .= '&sectionpick='; 2187: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2188: foreach (@{$sectionpick}) { 2189: $feedurl .= $_.','; 2190: $sectag .= $_.','; 2191: } 2192: $feedurl =~ s/,$//; 2193: $sectag =~ s/,$//; 2194: $sectag .= '" />'; 2195: } else { 2196: $feedurl .= '&sectionpick='.$sectionpick; 2197: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2198: } 2199: if (ref($rolefilter) eq 'ARRAY') { 2200: $feedurl .= '&rolefilter='; 2201: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2202: foreach (@{$rolefilter}) { 2203: $feedurl .= $_.','; 2204: $roletag .= $_.','; 2205: } 2206: $feedurl =~ s/,$//; 2207: $roletag =~ s/,$//; 2208: $roletag .= '" />'; 2209: } else { 2210: $feedurl .= '&rolefilter='.$rolefilter; 2211: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2212: } 2213: $feedurl .= '&statusfilter='.$statusfilter; 2214: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2215: } 2216: } 2217: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2218: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2219: my $html=&Apache::lonxml::xmlbegin(); 2220: $r->print (<<ENDREDIR); 2221: $html 2222: <head> 2223: <title>Feedback sent</title> 2224: <meta http-equiv="pragma" content="no-cache" /> 2225: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2226: </head> 2227: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 2228: <img align="right" src="$logo" /> 2229: $typestyle 2230: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2231: $blog 2232: <font color="red">$status</font> 2233: <form name="reldt" action="$feedurl" target="loncapaclient"> 2234: $prevtag 2235: $sorttag 2236: $statustag 2237: $roletag 2238: $sectag 2239: $userpicktag 2240: </form> 2241: <br /><a href="$feedurl">Continue</a> 2242: </body> 2243: </html> 2244: ENDREDIR 2245: } 2246: 2247: sub no_redirect_back { 2248: my ($r,$feedurl) = @_; 2249: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2250: my $continue=&mt('Continue'); 2251: my $html=&Apache::lonxml::xmlbegin(); 2252: $r->print (<<ENDNOREDIR); 2253: $html 2254: <head> 2255: <title>Feedback not sent</title> 2256: <meta http-equiv="pragma" content="no-cache" /> 2257: ENDNOREDIR 2258: 2259: if ($feedurl!~/^\/adm\/feedback/) { 2260: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='. 2261: &Apache::lonenc::check_encrypt($feedurl).'">'); 2262: } 2263: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2264: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2265: $r->print (<<ENDNOREDIRTWO); 2266: </head> 2267: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'> 2268: <img align="right" src="$logo" /> 2269: <b>$nofeed</b> 2270: <br /><a href="$feedurl">$continue</a> 2271: </body> 2272: </html> 2273: ENDNOREDIRTWO 2274: } 2275: 2276: sub screen_header { 2277: my ($feedurl,$symb) = @_; 2278: my $msgoptions=''; 2279: my $discussoptions=''; 2280: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2281: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2282: $msgoptions= 2283: '<p><label><input type="checkbox" name="author" /> '. 2284: &mt('Feedback to resource author').'</label></p>'; 2285: } 2286: if (&feedback_available(1)) { 2287: $msgoptions.= 2288: '<p><label><input type="checkbox" name="question" /> '. 2289: &mt('Question about resource content').'</label></p>'; 2290: } 2291: if (&feedback_available(0,1)) { 2292: $msgoptions.= 2293: '<p><label><input type="checkbox" name="course" /> '. 2294: &mt('Question/Comment/Feedback about course content'). 2295: '</label></p>'; 2296: } 2297: if (&feedback_available(0,0,1)) { 2298: $msgoptions.= 2299: '<p><label><input type="checkbox" name="policy" /> '. 2300: &mt('Question/Comment/Feedback about course policy'). 2301: '</label></p>'; 2302: } 2303: } 2304: if ($env{'request.course.id'}) { 2305: if (&discussion_open(undef,$symb) && 2306: &Apache::lonnet::allowed('pch', 2307: $env{'request.course.id'}. 2308: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2309: $discussoptions='<label><input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '. 2310: ($env{'form.replydisc'}?' checked="1"':'').' /> '. 2311: &mt('Contribution to course discussion of resource'); 2312: $discussoptions.='</label><br /><label><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '. 2313: &mt('Anonymous contribution to course discussion of resource'). 2314: ' <i>('.&mt('name only visible to course faculty').')</i></label> '. 2315: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2316: } 2317: #$discussoptions.='<br /><label><input type="checkbox" name="blog" /> '. 2318: # &mt('Add to my public course blog').'</label>'; 2319: } 2320: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2321: if ($discussoptions) { 2322: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2323: return $msgoptions.$discussoptions; 2324: } 2325: 2326: sub resource_output { 2327: my ($feedurl) = @_; 2328: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2329: $usersaw=~s/\<body[^\>]*\>//gi; 2330: $usersaw=~s/\<\/body\>//gi; 2331: $usersaw=~s/\<html\>//gi; 2332: $usersaw=~s/\<\/html\>//gi; 2333: $usersaw=~s/\<head\>//gi; 2334: $usersaw=~s/\<\/head\>//gi; 2335: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2336: return $usersaw; 2337: } 2338: 2339: sub clear_out_html { 2340: my ($message,$override)=@_; 2341: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2342: # Always allow the <m>-tag 2343: my %html=(M=>1); 2344: # Check if more is allowed 2345: my $cid=$env{'request.course.id'}; 2346: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2347: ($override)) { 2348: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2349: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2350: # <SUP> 2351: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2352: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2353: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2354: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2355: } 2356: # Do the substitution of everything that is not explicitly allowed 2357: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2358: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2359: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2360: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2361: return $message; 2362: } 2363: 2364: sub assemble_email { 2365: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_; 2366: my $email=<<"ENDEMAIL"; 2367: $message 2368: ENDEMAIL 2369: my $citations=<<"ENDCITE"; 2370: <h2>Previous attempts of student (if applicable)</h2> 2371: $prevattempts 2372: <br /><hr /> 2373: <h2>Original screen output (if applicable)</h2> 2374: $usersaw 2375: <h2>Correct Answer(s) (if applicable)</h2> 2376: $useranswer 2377: ENDCITE 2378: return ($email,$citations); 2379: } 2380: 2381: sub secapply { 2382: my $rec=shift; 2383: my $defaultflag=shift; 2384: $rec=~s/\s+//g; 2385: $rec=~s/\@/\:/g; 2386: my ($adr,$sections)=($rec=~/^([^$]+)\(([^$]+)\)/); 2387: if ($sections) { 2388: foreach (split(/\;/,$sections)) { 2389: if (($_ eq $env{'request.course.sec'}) || 2390: ($defaultflag && ($_ eq '*'))) { 2391: return $adr; 2392: } 2393: } 2394: } else { 2395: return $rec; 2396: } 2397: return ''; 2398: } 2399: 2400: =pod 2401: 2402: =over 4 2403: 2404: =item * 2405: 2406: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag); 2407: 2408: Arguments 2409: $feedurl - /res/ url of resource (only need if $author is true) 2410: $author,$question,$course,$policy - all true/false parameters 2411: if true will attempt to find the addresses of user that should receive 2412: this type of feedback (author - feedback to author of resource $feedurl, 2413: $question 'Resource Content Questions', $course 'Course Content Question', 2414: $policy 'Course Policy') 2415: (Additionally it also checks $env for whether the corresponding form.<name> 2416: element exists, for ease of use in a html response context) 2417: 2418: $defaultflag - (internal should be left blank) if true gather addresses 2419: that aren't for a section even if I have a section 2420: (used for reccursion internally, first we look for 2421: addresses for our specific section then we recurse 2422: and look for non section addresses) 2423: 2424: Returns 2425: $typestyle - string of html text, describing what addresses were found 2426: %to - a hash, which keys are addresses of users to send messages to 2427: the keys will look like name:domain 2428: 2429: =cut 2430: 2431: sub decide_receiver { 2432: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_; 2433: my $typestyle=''; 2434: my %to=(); 2435: if ($env{'form.author'}||$author) { 2436: $typestyle.='Submitting as Author Feedback<br />'; 2437: $feedurl=~/^\/res\/(\w+)\/(\w+)\//; 2438: $to{$2.':'.$1}=1; 2439: } 2440: if ($env{'form.question'}||$question) { 2441: $typestyle.='Submitting as Question<br />'; 2442: foreach (split(/\,/, 2443: $env{'course.'.$env{'request.course.id'}.'.question.email'}) 2444: ) { 2445: my $rec=&secapply($_,$defaultflag); 2446: if ($rec) { $to{$rec}=1; } 2447: } 2448: } 2449: if ($env{'form.course'}||$course) { 2450: $typestyle.='Submitting as Comment<br />'; 2451: foreach (split(/\,/, 2452: $env{'course.'.$env{'request.course.id'}.'.comment.email'}) 2453: ) { 2454: my $rec=&secapply($_,$defaultflag); 2455: if ($rec) { $to{$rec}=1; } 2456: } 2457: } 2458: if ($env{'form.policy'}||$policy) { 2459: $typestyle.='Submitting as Policy Feedback<br />'; 2460: foreach (split(/\,/, 2461: $env{'course.'.$env{'request.course.id'}.'.policy.email'}) 2462: ) { 2463: my $rec=&secapply($_,$defaultflag); 2464: if ($rec) { $to{$rec}=1; } 2465: } 2466: } 2467: if ((scalar(%to) eq '0') && (!$defaultflag)) { 2468: ($typestyle,%to)= 2469: &decide_receiver($feedurl,$author,$question,$course,$policy,1); 2470: } 2471: return ($typestyle,%to); 2472: } 2473: 2474: sub feedback_available { 2475: my ($question,$course,$policy)=@_; 2476: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy); 2477: return scalar(%to); 2478: } 2479: 2480: sub send_msg { 2481: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_; 2482: my $status=''; 2483: my $sendsomething=0; 2484: foreach (keys %to) { 2485: if ($_) { 2486: my $declutter=&Apache::lonnet::declutter($feedurl); 2487: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_), 2488: 'Feedback ['.$declutter.']',$email,$citations,$feedurl, 2489: $attachmenturl)=~/ok/) { 2490: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />'; 2491: } else { 2492: $sendsomething++; 2493: } 2494: } 2495: } 2496: 2497: my %record=&Apache::lonnet::restore('_feedback'); 2498: my ($temp)=keys %record; 2499: unless ($temp=~/^error\:/) { 2500: my %newrecord=(); 2501: $newrecord{'resource'}=$feedurl; 2502: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2503: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2504: $status.='<br />'.&mt('Not registered').'<br />'; 2505: } 2506: } 2507: 2508: return ($status,$sendsomething); 2509: } 2510: 2511: sub adddiscuss { 2512: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2513: my $status=''; 2514: my $realsymb; 2515: if ($symb=~/^bulletin___/) { 2516: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2517: $filename=~s|^adm/wrapper/||; 2518: $realsymb=&Apache::lonnet::symbread($filename); 2519: } 2520: if (&discussion_open(undef,$realsymb) && 2521: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2522: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2523: 2524: my %contrib=('message' => $email, 2525: 'sendername' => $env{'user.name'}, 2526: 'senderdomain' => $env{'user.domain'}, 2527: 'screenname' => $env{'environment.screenname'}, 2528: 'plainname' => $env{'environment.firstname'}.' '. 2529: $env{'environment.middlename'}.' '. 2530: $env{'environment.lastname'}.' '. 2531: $env{'enrironment.generation'}, 2532: 'attachmenturl'=> $attachmenturl, 2533: 'subject' => $subject); 2534: if ($env{'form.replydisc'}) { 2535: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2536: } 2537: if ($anon) { 2538: $contrib{'anonymous'}='true'; 2539: } 2540: if (($symb) && ($email)) { 2541: if ($env{'form.editdisc'}) { 2542: my %newcontrib = (); 2543: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2544: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2545: $contrib{'timestamp'} = time; 2546: $contrib{'history'} = ''; 2547: my $numoldver = 0; 2548: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2549: &Apache::lonenc::check_decrypt(\$oldsymb); 2550: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2551: # get timestamp for last post and history 2552: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2553: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2554: $env{'course.'.$env{'request.course.id'}.'.num'}); 2555: if (defined($oldcontrib{$oldidx.':replyto'})) { 2556: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2557: } 2558: if (defined($oldcontrib{$oldidx.':history'})) { 2559: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2560: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'}; 2561: $numoldver = @oldversions; 2562: } else { 2563: $numoldver = 1; 2564: } 2565: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2566: } 2567: my $numnewver = $numoldver + 1; 2568: if (defined($oldcontrib{$oldidx.':subject'})) { 2569: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2570: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2571: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2572: } else { 2573: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2574: } 2575: } 2576: if (defined($oldcontrib{$oldidx.':message'})) { 2577: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2578: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2579: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2580: } else { 2581: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2582: } 2583: } 2584: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2585: foreach (keys %contrib) { 2586: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_; 2587: $newcontrib{$key} = $contrib{$_}; 2588: } 2589: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2590: \%newcontrib, 2591: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2592: $env{'course.'.$env{'request.course.id'}.'.num'}); 2593: $status='Editing class discussion'.($anon?' (anonymous)':''); 2594: } else { 2595: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2596: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2597: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2598: $env{'course.'.$env{'request.course.id'}.'.num'}); 2599: } 2600: my %storenewentry=($symb => time); 2601: $status.='<br />'.&mt('Updating discussion time').': '. 2602: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2603: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2604: $env{'course.'.$env{'request.course.id'}.'.num'}); 2605: } 2606: my %record=&Apache::lonnet::restore('_discussion'); 2607: my ($temp)=keys %record; 2608: unless ($temp=~/^error\:/) { 2609: my %newrecord=(); 2610: $newrecord{'resource'}=$symb; 2611: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2612: $status.='<br />'.&mt('Registering').': '. 2613: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2614: } 2615: } else { 2616: $status.='Failed.'; 2617: } 2618: return $status.'<br />'; 2619: } 2620: 2621: # ----------------------------------------------------------- Preview function 2622: 2623: sub show_preview { 2624: my $r=shift; 2625: &Apache::loncommon::content_type($r,'text/html'); 2626: $r->send_http_header; 2627: my $message=&clear_out_html($env{'form.comment'}); 2628: &newline_to_br(\$message); 2629: $message=&Apache::lonspeller::markeduptext($message); 2630: $message=&Apache::lontexconvert::msgtexconverted($message); 2631: my $subject=&clear_out_html($env{'form.subject'}); 2632: $subject=~s/\n/\<br \/\>/g; 2633: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2634: my $html=&Apache::lonxml::xmlbegin(); 2635: $r->print($html.'<head>'. 2636: '</head><body><table border="2"><tr><td>'. 2637: '<b>Subject:</b> '.$subject.'<br /><br />'. 2638: $message.'</td></tr></table></body></html>'); 2639: } 2640: 2641: 2642: sub newline_to_br { 2643: my ($message)=@_; 2644: my $newmessage; 2645: my $parser=HTML::LCParser->new($message); 2646: while (my $token=$parser->get_token()) { 2647: if ($token->[0] eq 'T') { 2648: my $text=$token->[1]; 2649: $text=~s/\n/\<br \/\>/g; 2650: $newmessage.=$text; 2651: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2652: $newmessage.=$token->[1]; 2653: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2654: $newmessage.=$token->[2]; 2655: } elsif ($token->[0] eq 'S') { 2656: $newmessage.=$token->[4]; 2657: } 2658: 2659: } 2660: $$message=$newmessage; 2661: } 2662: 2663: sub generate_preview_button { 2664: my ($formname,$fieldname)=@_; 2665: unless ($formname) { $formname='mailform'; } 2666: unless ($fieldname) { $fieldname='comment'; } 2667: my $pre=&mt("Show Preview and Check Spelling"); 2668: return(<<ENDPREVIEW); 2669: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2670: <input type="hidden" name="subject"> 2671: <input type="hidden" name="comment" /> 2672: <input type="button" value="$pre" 2673: 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();" /> 2674: </form> 2675: ENDPREVIEW 2676: } 2677: 2678: sub modify_attachments { 2679: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_; 2680: my $orig_subject = &Apache::lonnet::unescape($env{'form.subject'}); 2681: my $subject=&clear_out_html($orig_subject); 2682: $subject=~s/\n/\<br \/\>/g; 2683: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2684: my $timestamp=$env{'form.timestamp'}; 2685: my $numoldver=$env{'form.numoldver'}; 2686: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments', 2687: '',''); 2688: my $msg = ''; 2689: my %attachments = (); 2690: my %currattach = (); 2691: if ($idx) { 2692: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2693: } 2694: &Apache::lonenc::check_encrypt(\$symb); 2695: my $html=&Apache::lonxml::xmlbegin(); 2696: $r->print(<<END); 2697: $html 2698: <head> 2699: <title>Managing Attachments</title> 2700: <script> 2701: function setAction () { 2702: document.modattachments.action = document.modattachments.origpage.value; 2703: document.modattachments.submit(); 2704: } 2705: </script> 2706: </head> 2707: $bodytag 2708: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2709: <table border="2"> 2710: <tr> 2711: <td> 2712: <b>Subject:</b> $subject</b><br /><br /> 2713: END 2714: if ($idx) { 2715: if ($attachmenturls) { 2716: my @currold = keys %currattach; 2717: if (@currold > 0) { 2718: $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"); 2719: foreach my $id (@currold) { 2720: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 2721: $attachurl =~ m#/([^/]+)$#; 2722: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 2723: } 2724: $r->print("<br />"); 2725: } 2726: } 2727: } 2728: if (@{$currnewattach} > 0) { 2729: $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"); 2730: foreach (@{$currnewattach}) { 2731: $_ =~ m#/([^/]+)$#; 2732: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'</label><br />'."\n"); 2733: } 2734: $r->print("<br />"); 2735: } 2736: $r->print(<<END); 2737: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 2738: </td> 2739: </tr> 2740: </table> 2741: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 2742: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 2743: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 2744: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 2745: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 2746: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 2747: <input type="hidden" name="anondiscuss" value="$env{'form.anondiscuss'}" /> 2748: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 2749: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 2750: END 2751: foreach (@{$currnewattach}) { 2752: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 2753: } 2754: foreach (@{$currdelold}) { 2755: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 2756: } 2757: $r->print(<<END); 2758: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/> 2759: </form> 2760: </body> 2761: </html> 2762: END 2763: return; 2764: } 2765: 2766: sub process_attachments { 2767: my ($currnewattach,$currdelold,$keepold) = @_; 2768: 2769: @{$currnewattach}= 2770: &Apache::loncommon::get_env_multiple('form.currnewattach'); 2771: @{$currdelold}= 2772: &Apache::loncommon::get_env_multiple('form.deloldattach'); 2773: if (exists($env{'form.delnewattach'})) { 2774: my @currdelnew = 2775: &Apache::loncommon::get_env_multiple('form.delnewattach'); 2776: my @currnew = (); 2777: foreach my $newone (@{$currnewattach}) { 2778: my $delflag = 0; 2779: foreach (@currdelnew) { 2780: if ($newone eq $_) { 2781: $delflag = 1; 2782: last; 2783: } 2784: } 2785: unless ($delflag) { 2786: push @currnew, $newone; 2787: } 2788: } 2789: @{$currnewattach} = @currnew; 2790: } 2791: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 2792: } 2793: 2794: sub generate_attachments_button { 2795: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_; 2796: my $origpage = $ENV{'REQUEST_URI'}; 2797: my $att=$attachnum.' '.&mt("attachments"); 2798: my $response = (<<END); 2799: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 2800: Click to add/remove attachments: <input type="button" value="$att" 2801: 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); 2802: END 2803: unless ($mode eq 'board') { 2804: $response .= 'javascript:anonchk();'; 2805: } 2806: $response .= (<<ENDATTACH); 2807: this.form.submit();" /> 2808: <input type="hidden" name="origpage" value="$origpage" /> 2809: <input type="hidden" name="idx" value="$idx" /> 2810: <input type="hidden" name="timestamp" value="$now" /> 2811: <input type="hidden" name="subject" /> 2812: <input type="hidden" name="comment" /> 2813: <input type="hidden" name="blog" value = "0" /> 2814: <input type="hidden" name="anondiscuss" value = "0" /> 2815: <input type="hidden" name="discuss" value = "0" /> 2816: <input type="hidden" name="numoldver" value="$numoldver" /> 2817: ENDATTACH 2818: if (defined($deloldattach)) { 2819: if (@{$deloldattach} > 0) { 2820: foreach (@{$deloldattach}) { 2821: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"; 2822: } 2823: } 2824: } 2825: if (defined($currnewattach)) { 2826: if (@{$currnewattach} > 0) { 2827: foreach (@{$currnewattach}) { 2828: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 2829: } 2830: } 2831: } 2832: $response .= '</form>'; 2833: return $response; 2834: } 2835: 2836: sub extract_attachments { 2837: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 2838: %{$attachments}=(); 2839: &get_post_attachments($attachments,$attachmenturls); 2840: foreach my $id (sort keys %{$attachments}) { 2841: if (exists($$attachments{$id}{$numoldver})) { 2842: if (defined($currdelold)) { 2843: if (@{$currdelold} > 0) { 2844: unless (grep/^$id$/,@{$currdelold}) { 2845: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2846: } 2847: } else { 2848: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2849: } 2850: } else { 2851: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2852: } 2853: } 2854: } 2855: my @attached = (sort { $a <=> $b } keys %{$currattach}); 2856: if (@attached == 1) { 2857: my $id = $attached[0]; 2858: my $attachurl; 2859: if ($attachmenturls =~ m/^<attachment id="0">/) { 2860: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2861: } else { 2862: $attachurl = $$attachments{$id}{'filename'}; 2863: } 2864: $attachurl=~m|/([^/]+)$|; 2865: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 2866: $1.'</tt></a><br />'; 2867: &Apache::lonnet::allowuploaded('/adm/feedback', 2868: $attachurl); 2869: } elsif (@attached > 1) { 2870: $$message.='<ol>'; 2871: foreach (@attached) { 2872: my $id = $_; 2873: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2874: my ($fname) 2875: =($attachurl=~m|/([^/]+)$|); 2876: $$message .= '<li><a href="'.$attachurl. 2877: '"><tt>'. 2878: $fname.'</tt></a></li>'; 2879: &Apache::lonnet::allowuploaded('/adm/feedback', 2880: $attachurl); 2881: } 2882: $$message .= '</ol>'; 2883: } 2884: } 2885: 2886: sub construct_attachmenturl { 2887: my ($currnewattach,$keepold,$symb,$idx)=@_; 2888: my $oldattachmenturl; 2889: my $newattachmenturl; 2890: my $startnum = 0; 2891: my $currver = 0; 2892: if (($env{'form.editdisc'}) && ($idx)) { 2893: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2894: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2895: $env{'course.'.$env{'request.course.id'}.'.num'}); 2896: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 2897: if ($contrib{$idx.':history'}) { 2898: if ($contrib{$idx.':history'} =~ /:/) { 2899: my @oldversions = split/:/,$contrib{$idx.':history'}; 2900: $currver = 1 + scalar(@oldversions); 2901: } else { 2902: $currver = 2; 2903: } 2904: } else { 2905: $currver = 1; 2906: } 2907: if ($oldattachmenturl) { 2908: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 2909: my %attachments = (); 2910: my $prevver = $currver-1; 2911: &get_post_attachments(\%attachments,$oldattachmenturl); 2912: my $numattach = scalar(keys %attachments); 2913: $startnum += $numattach; 2914: foreach my $num (sort {$a <=> $b} keys %attachments) { 2915: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 2916: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) { 2917: unless ($_ eq 'filename') { 2918: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>'; 2919: } 2920: } 2921: if (grep/^$num$/,@{$keepold}) { 2922: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 2923: } 2924: $newattachmenturl .= '</attachment>'; 2925: } 2926: } else { 2927: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 2928: unless (grep/^0$/,@{$keepold}) { 2929: $newattachmenturl .= '<post id="1">n</post>'; 2930: } 2931: $newattachmenturl .= '</attachment>'; 2932: $startnum ++; 2933: } 2934: } 2935: } 2936: for (my $i=0; $i<@{$currnewattach}; $i++) { 2937: my $attachnum = $startnum + $i; 2938: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 2939: } 2940: return $newattachmenturl; 2941: } 2942: 2943: sub has_discussion { 2944: my $resourcesref = shift; 2945: my $navmap = Apache::lonnavmaps::navmap->new(); 2946: my @allres=$navmap->retrieveResources(); 2947: foreach my $resource (@allres) { 2948: if ($resource->hasDiscussion()) { 2949: my $ressymb = $resource->wrap_symb(); 2950: push @{$resourcesref}, $ressymb; 2951: } 2952: } 2953: return; 2954: } 2955: 2956: sub sort_filter_names { 2957: my ($sort_types,$role_types,$status_types) = @_; 2958: %{$sort_types} = ( 2959: ascdate => 'Date order - oldest first', 2960: descdate => 'Date order - newest first', 2961: thread => 'Threaded', 2962: subject => 'By subject', 2963: username => 'By domain and username', 2964: lastfirst => 'By last name, first name' 2965: ); 2966: %{$role_types} = ( 2967: all => 'All roles', 2968: st => 'Students', 2969: cc => 'Course Coordinators', 2970: in => 'Instructors', 2971: ta => 'TAs', 2972: ep => 'Exam proctors', 2973: ad => 'Administrators', 2974: cr => 'Custom roles' 2975: ); 2976: %{$status_types} = ( 2977: all => 'Roles of any status', 2978: Active => 'Only active roles', 2979: Expired => 'Only inactive roles' 2980: ); 2981: } 2982: 2983: sub handler { 2984: my $r = shift; 2985: if ($r->header_only) { 2986: &Apache::loncommon::content_type($r,'text/html'); 2987: $r->send_http_header; 2988: return OK; 2989: } 2990: 2991: # --------------------------- Get query string for limited number of parameters 2992: 2993: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 2994: ['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']); 2995: if ($env{'form.editdisc'}) { 2996: if (!(&editing_allowed())) { 2997: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 2998: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 2999: my $feedurl=&Apache::lonnet::clutter($url); 3000: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','',); 3001: return OK; 3002: } 3003: } 3004: if ($env{'form.discsymb'}) { 3005: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3006: my $readkey = $symb.'_read'; 3007: my $chgcount = 0; 3008: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3009: foreach my $key (keys %env) { 3010: if ($key =~ m/^form\.postunread_(\d+)/) { 3011: if ($readinghash{$readkey} =~ /\.$1\./) { 3012: $readinghash{$readkey} =~ s/\.$1\.//; 3013: $chgcount ++; 3014: } 3015: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3016: unless ($readinghash{$readkey} =~ /\.$1\./) { 3017: $readinghash{$readkey} .= '.'.$1.'.'; 3018: $chgcount ++; 3019: } 3020: } 3021: } 3022: if ($chgcount > 0) { 3023: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3024: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3025: } 3026: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3027: '0','0','','',$env{'form.previous'},'','','',); 3028: return OK; 3029: } 3030: if ($env{'form.allversions'}) { 3031: &Apache::loncommon::content_type($r,'text/html'); 3032: $r->send_http_header; 3033: my $html=&Apache::lonxml::xmlbegin(); 3034: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions'); 3035: $r->print(<<END); 3036: $html 3037: <head> 3038: <title>Post Versions</title> 3039: <meta http-equiv="pragma" content="no-cache" /> 3040: </head> 3041: $bodytag 3042: END 3043: my $crs='/'.$env{'request.course.id'}; 3044: if ($env{'request.course.sec'}) { 3045: $crs.='_'.$env{'request.course.sec'}; 3046: } 3047: $crs=~s|_|/|g; 3048: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3049: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3050: ($symb)=&get_feedurl_and_clean_symb($symb); 3051: if ($idx > 0) { 3052: my %messages = (); 3053: my %subjects = (); 3054: my %attachmsgs = (); 3055: my %allattachments = (); 3056: my %imsfiles = (); 3057: my ($screenname,$plainname); 3058: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3059: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3060: $env{'course.'.$env{'request.course.id'}.'.num'}); 3061: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3062: } 3063: return OK; 3064: } 3065: if ($env{'form.posterlist'}) { 3066: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3067: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3068: $env{'form.sortposts'}); 3069: return OK; 3070: } 3071: if ($env{'form.userpick'}) { 3072: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3073: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3074: my $numpicks = @posters; 3075: my %discinfo; 3076: $discinfo{$symb.'_userpick'} = join('&',@posters); 3077: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3078: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3079: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3080: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3081: $numpicks); 3082: return OK; 3083: } 3084: if ($env{'form.applysort'}) { 3085: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3086: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3087: '',$env{'form.previous'},$env{'form.sortposts'}, 3088: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3089: $env{'form.sectionpick'}); 3090: return OK; 3091: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3092: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3093: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3094: return OK; 3095: } elsif ($env{'form.navtime'}) { 3096: my %discinfo = (); 3097: my @resources = (); 3098: if (defined($env{'form.navmaps'})) { 3099: if ($env{'form.navmaps'} =~ /:/) { 3100: @resources = split/:/,$env{'form.navmaps'}; 3101: } else { 3102: @resources = ("$env{'form.navmaps'}"); 3103: } 3104: } else { 3105: &has_discussion(\@resources); 3106: } 3107: my $numitems = @resources; 3108: my $feedurl = '/adm/navmaps'; 3109: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3110: my %lt = &Apache::lonlocal::texthash( 3111: 'mnpa' => 'Marked "New" posts as read in a total of', 3112: 'robb' => 'resources/bulletin boards.', 3113: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.' 3114: ); 3115: foreach (@resources) { 3116: my $ressymb=$_; 3117: &Apache::lonenc::check_decrypt(\$ressymb); 3118: my $lastkey = $ressymb.'_lastread'; 3119: $discinfo{$lastkey} = $env{'form.navtime'}; 3120: } 3121: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3122: if ($numitems > 0) { 3123: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3124: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3125: } else { 3126: $textline = "<b>$lt{'twnp'}</b>"; 3127: } 3128: &Apache::loncommon::content_type($r,'text/html'); 3129: $r->send_http_header; 3130: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3131: my $html=&Apache::lonxml::xmlbegin(); 3132: $r->print (<<ENDREDIR); 3133: $html 3134: <head> 3135: <title>New posts marked as read</title> 3136: <meta http-equiv="pragma" content="no-cache" /> 3137: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 3138: </head> 3139: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 3140: <img align="right" src="$logo" /> 3141: $textline 3142: <form name="reldt" action="$feedurl" target="loncapaclient"> 3143: </form> 3144: <br /><a href="$feedurl">Continue</a> 3145: </body> 3146: </html> 3147: ENDREDIR 3148: return OK; 3149: } elsif ($env{'form.modifydisp'}) { 3150: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3151: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3152: split(/_/,$env{'form.changes'}); 3153: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3154: $dispchgB,$markchg,$toggchg,$feedurl); 3155: return OK; 3156: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3157: $env{'form.allposts'} || $env{'form.onlyunread'} || 3158: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3159: $env{'form.toggon'} || $env{'form.markread'}) { 3160: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3161: my %discinfo; 3162: # ------------------------ Modify setting for read/unread toggle for each post 3163: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3164: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3165: # --------- Modify setting for identification of 'NEW' posts in this discussion 3166: if ($env{'form.markondisp'}) { 3167: $discinfo{$symb.'_lastread'} = time; 3168: $discinfo{$symb.'_markondisp'} = 1; 3169: } 3170: if ($env{'form.markonread'}) { 3171: if ( $env{'form.previous'} > 0 ) { 3172: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3173: } 3174: $discinfo{$symb.'_markondisp'} = 0; 3175: } 3176: # --------------------------------- Modify display setting for this discussion 3177: if ($env{'form.allposts'}) { 3178: $discinfo{$symb.'_showonlyunread'} = 0; 3179: $discinfo{$symb.'_showonlyunmark'} = 0; 3180: } 3181: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3182: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3183: # ----------------------------------------------------- Mark new posts not NEW 3184: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3185: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3186: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3187: my $previous=$env{'form.previous'}; 3188: if ($env{'form.markondisp'}) { $previous=undef; } 3189: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3190: '0','0','','',$previous); 3191: return OK; 3192: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3193: # ----------------------------------------------------------------- Hide/unhide 3194: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3195: my ($symb,$idx)=split(/\:\:\:/,$entry); 3196: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3197: 3198: my $crs='/'.$env{'request.course.id'}; 3199: if ($env{'request.course.sec'}) { 3200: $crs.='_'.$env{'request.course.sec'}; 3201: } 3202: $crs=~s/\_/\//g; 3203: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3204: 3205: if ($env{'form.hide'} && !$seeid && !(&editing_allowed())) { 3206: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','',); 3207: return OK; 3208: } 3209: 3210: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3211: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3212: $env{'course.'.$env{'request.course.id'}.'.num'}); 3213: 3214: my $currenthidden=$contrib{'hidden'}; 3215: my $currentstudenthidden=$contrib{'studenthidden'}; 3216: 3217: if ($env{'form.hide'}) { 3218: $currenthidden.='.'.$idx.'.'; 3219: unless ($seeid) { 3220: $currentstudenthidden.='.'.$idx.'.'; 3221: } 3222: } else { 3223: $currenthidden=~s/\.$idx\.//g; 3224: } 3225: my %newhash=('hidden' => $currenthidden); 3226: if ( ($env{'form.hide'}) && (!$seeid) ) { 3227: $newhash{'studenthidden'} = $currentstudenthidden; 3228: } 3229: 3230: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3231: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3232: $env{'course.'.$env{'request.course.id'}.'.num'}); 3233: 3234: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3235: '0','0','','',$env{'form.previous'}); 3236: return OK; 3237: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3238: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3239: if ($env{'form.cmd'} eq 'threadedon') { 3240: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3241: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on'); 3242: } else { 3243: &Apache::lonnet::del('environment',['threadeddiscussion']); 3244: &Apache::lonnet::delenv('environment\.threadeddiscussion'); 3245: } 3246: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3247: '0','0','','',$env{'form.previous'}); 3248: return OK; 3249: } elsif ($env{'form.deldisc'}) { 3250: # --------------------------------------------------------------- Hide for good 3251: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3252: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3253: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3254: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3255: $env{'course.'.$env{'request.course.id'}.'.num'}); 3256: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3257: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3258: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3259: $env{'course.'.$env{'request.course.id'}.'.num'}); 3260: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3261: '0','0','','',$env{'form.previous'}); 3262: return OK; 3263: } elsif ($env{'form.preview'}) { 3264: # -------------------------------------------------------- User wants a preview 3265: &show_preview($r); 3266: return OK; 3267: } elsif ($env{'form.attach'}) { 3268: # -------------------------------------------------------- Work on attachments 3269: &Apache::loncommon::content_type($r,'text/html'); 3270: $r->send_http_header; 3271: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss','blog']); 3272: my (@currnewattach,@currdelold,@keepold); 3273: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3274: if (exists($env{'form.addnewattach.filename'})) { 3275: unless (length($env{'form.addnewattach'})>131072) { 3276: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3277: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3278: push @currnewattach, $newattachment; 3279: } 3280: } 3281: my $attachmenturls; 3282: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3283: my $idx = $env{'form.idx'}; 3284: if ($idx) { 3285: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3286: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3287: $env{'course.'.$env{'request.course.id'}.'.num'}); 3288: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3289: } 3290: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3291: $attachmenturls); 3292: return OK; 3293: } elsif ($env{'form.export'}) { 3294: &Apache::loncommon::content_type($r,'text/html'); 3295: $r->send_http_header; 3296: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3297: my $mode='board'; 3298: my $status='OPEN'; 3299: my $previous=$env{'form.previous'}; 3300: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3301: $mode='problem'; 3302: $status=$Apache::inputtags::status[-1]; 3303: } 3304: my $discussion = &list_discussion($mode,$status,$symb); 3305: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion'); 3306: $r->print($bodytag.$discussion); 3307: return OK; 3308: } else { 3309: # ------------------------------------------------------------- Normal feedback 3310: my $feedurl=$env{'form.postdata'}; 3311: $feedurl=~s/^http\:\/\///; 3312: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3313: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3314: $feedurl=~s/\?.+$//; 3315: 3316: my $symb; 3317: if ($env{'form.replydisc'}) { 3318: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3319: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3320: $feedurl=&Apache::lonnet::clutter($url); 3321: } elsif ($env{'form.editdisc'}) { 3322: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3323: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3324: $feedurl=&Apache::lonnet::clutter($url); 3325: } elsif ($env{'form.origpage'}) { 3326: $symb=""; 3327: } else { 3328: $symb=&Apache::lonnet::symbread($feedurl); 3329: } 3330: unless ($symb) { 3331: $symb=$env{'form.symb'}; 3332: if ($symb) { 3333: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3334: $feedurl=&Apache::lonnet::clutter($url); 3335: } 3336: } 3337: &Apache::lonenc::check_decrypt(\$symb); 3338: my $goahead=1; 3339: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3340: unless ($symb) { $goahead=0; } 3341: } 3342: # backward compatibility (bulletin boards used to be 'wrapped') 3343: &dewrapper(\$feedurl); 3344: if (!$goahead) { 3345: # Ambiguous Problem Resource 3346: $r->internal_redirect('/adm/ambiguous'); 3347: return OK; 3348: } 3349: # Go ahead with feedback, no ambiguous reference 3350: unless ( 3351: ( 3352: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3353: ) 3354: || 3355: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3356: || 3357: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3358: ) { 3359: &Apache::loncommon::content_type($r,'text/html'); 3360: $r->send_http_header; 3361: # Unable to give feedback 3362: &no_redirect_back($r,$feedurl); 3363: return OK; 3364: } 3365: # --------------------------------------------------- Print login screen header 3366: unless ($env{'form.sendit'}) { 3367: &Apache::loncommon::content_type($r,'text/html'); 3368: $r->send_http_header; 3369: my $options=&screen_header($feedurl,$symb); 3370: if ($options) { 3371: &mail_screen($r,$feedurl,$options); 3372: } else { 3373: &fail_redirect($r,$feedurl); 3374: } 3375: return OK; 3376: } 3377: 3378: # Get previous user input 3379: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3380: $symb,$env{'user.name'},$env{'user.domain'}, 3381: $env{'request.course.id'}); 3382: 3383: # Get output from resource 3384: my $usersaw=&resource_output($feedurl); 3385: 3386: # Get resource answer (need to allow student to view grades for this to work) 3387: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 3388: my $useranswer=&Apache::loncommon::get_student_answers( 3389: $symb,$env{'user.name'},$env{'user.domain'}, 3390: $env{'request.course.id'}); 3391: &Apache::lonnet::delenv('allowed.vgr'); 3392: # Get attachments, if any, and not too large 3393: my $attachmenturl=''; 3394: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3395: ($env{'form.replydisc'})) { 3396: my ($symb,$idx); 3397: if ($env{'form.replydisc'}) { 3398: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3399: } elsif ($env{'form.editdisc'}) { 3400: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3401: } elsif ($env{'form.origpage'}) { 3402: $symb = $env{'form.symb'}; 3403: } 3404: &Apache::lonenc::check_decrypt(\$symb); 3405: my @currnewattach = (); 3406: my @deloldattach = (); 3407: my @keepold = (); 3408: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3409: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3410: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3411: } elsif ($env{'form.attachment.filename'}) { 3412: unless (length($env{'form.attachment'})>131072) { 3413: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback'); 3414: } 3415: } 3416: # Filter HTML out of message (could be nasty) 3417: my $message=&clear_out_html($env{'form.comment'}); 3418: 3419: # Assemble email 3420: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts, 3421: $usersaw,$useranswer); 3422: 3423: # Who gets this? 3424: my ($typestyle,%to) = &decide_receiver($feedurl); 3425: 3426: # Actually send mail 3427: my ($status,$numsent)=&send_msg($feedurl,$email,$citations, 3428: $attachmenturl,%to); 3429: 3430: # Discussion? Store that. 3431: 3432: my $numpost=0; 3433: if ($env{'form.discuss'} || $env{'form.anondiscuss'}) { 3434: my $subject = &clear_out_html($env{'form.subject'}); 3435: my $anonmode=(defined($env{'form.anondiscuss'})); 3436: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3437: $subject); 3438: $numpost++; 3439: } 3440: 3441: # Add to blog? 3442: 3443: my $blog=''; 3444: if ($env{'form.blog'}) { 3445: my $subject = &clear_out_html($env{'form.subject'}); 3446: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3447: $env{'user.domain'}, 3448: 'CourseBlog_'.$env{'request.course.id'}, 3449: $subject,$message,$feedurl,'public'); 3450: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3451: } 3452: 3453: # Receipt screen and redirect back to where came from 3454: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'}); 3455: } 3456: return OK; 3457: } 3458: 3459: sub wrap_symb { 3460: my ($ressymb)=@_; 3461: if ($ressymb =~ /bulletin___\d+___/) { 3462: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3463: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3464: } 3465: } 3466: return $ressymb; 3467: } 3468: sub dewrapper { 3469: my ($feedurl)=@_; 3470: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3471: $$feedurl=~s|^/adm/wrapper||; 3472: } 3473: } 3474: 3475: sub get_feedurl { 3476: my ($symb)=@_; 3477: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3478: my $feedurl = &Apache::lonnet::clutter($url); 3479: &dewrapper(\$feedurl); 3480: return $feedurl; 3481: } 3482: 3483: sub get_feedurl_and_clean_symb { 3484: my ($symb)=@_; 3485: &Apache::lonenc::check_decrypt(\$symb); 3486: # backward compatibility (bulletin boards used to be 'wrapped') 3487: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3488: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3489: } 3490: my $feedurl = &get_feedurl($symb); 3491: return ($symb,$feedurl); 3492: } 3493: 3494: sub editing_allowed { 3495: my $can_edit = 0; 3496: my $cid = $env{'request.course.id'}; 3497: my $role = (split(/\./,$env{'request.role'}))[0]; 3498: my $section = $env{'request.course.sec'}; 3499: my $allow_editing_config = $env{'course.'.$env{'request.course.id'}. 3500: '.allow_discussion_post_editing'}; 3501: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 3502: $can_edit = 1; 3503: } else { 3504: my @editor_roles = split(/,/,$allow_editing_config); 3505: if (@editor_roles > 0) { 3506: foreach my $editor (@editor_roles) { 3507: my ($editor_role,$editor_sec) = split(/:/,$editor); 3508: if ($editor_role eq $role) { 3509: if (defined($editor_sec)) { 3510: if (defined($section)) { 3511: if ($editor_sec eq $section) { 3512: $can_edit = 1; 3513: last; 3514: } 3515: } 3516: } else { 3517: $can_edit = 1; 3518: last; 3519: } 3520: } 3521: } 3522: } 3523: } 3524: return $can_edit; 3525: } 3526: 3527: 1; 3528: __END__