loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.167: download - view: text, annotated - select for diffs
Mon Jun 6 20:40:01 2005 UTC (18 years, 11 months ago) by www
Branches: MAIN
CVS tags: version_2_0_1, version_2_0_0, version_1_99_3, version_1_99_2, version_1_99_1, version_1_99_0, HEAD

Bug #3945: there have been enough complaints from authors by now ...

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.167 2005/06/06 20:40:01 www Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use HTML::LCParser(); 43: use Apache::lonspeller(); 44: use Cwd; 45: 46: sub discussion_open { 47: my ($status,$symb)=@_; 48: if (defined($status) && 49: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 50: || $status eq 'OPEN')) { 51: return 0; 52: } 53: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 54: if (defined($close) && $close ne '' && $close < time) { 55: return 0; 56: } 57: return 1; 58: } 59: 60: sub discussion_visible { 61: my ($status)=@_; 62: if (not &discussion_open($status)) { 63: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 64: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 65: if (!$env{'request.role.adv'}) { return 0; } 66: } 67: } 68: return 1; 69: } 70: 71: sub list_discussion { 72: my ($mode,$status,$ressymb,$imsextras)=@_; 73: my $outputtarget=$env{'form.grade_target'}; 74: if (defined($env{'form.export'})) { 75: if($env{'form.export'}) { 76: $outputtarget = 'export'; 77: } 78: } 79: if (defined($imsextras)) { 80: if ($$imsextras{'caller'} eq 'imsexport') { 81: $outputtarget = 'export'; 82: } 83: } 84: if (not &discussion_visible($status)) { return ''; } 85: my @bgcols = ("#cccccc","#eeeeee"); 86: my $discussiononly=0; 87: if ($mode eq 'board') { $discussiononly=1; } 88: unless ($env{'request.course.id'}) { return ''; } 89: my $crs='/'.$env{'request.course.id'}; 90: my $cid=$env{'request.course.id'}; 91: if ($env{'request.course.sec'}) { 92: $crs.='_'.$env{'request.course.sec'}; 93: } 94: $crs=~s/\_/\//g; 95: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 96: unless ($ressymb) { return ''; } 97: $ressymb=&wrap_symb($ressymb); 98: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 99: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 100: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form)$/)); 101: 102: my %usernamesort = (); 103: my %namesort =(); 104: my %subjectsort = (); 105: 106: # Get discussion display settings for this discussion 107: my $lastkey = $ressymb.'_lastread'; 108: my $showkey = $ressymb.'_showonlyunread'; 109: my $markkey = $ressymb.'_showonlyunmark', 110: my $visitkey = $ressymb.'_visit'; 111: my $ondispkey = $ressymb.'_markondisp'; 112: my $userpickkey = $ressymb.'_userpick'; 113: my $toggkey = $ressymb.'_readtoggle'; 114: my $readkey = $ressymb.'_read'; 115: $ressymb=$encsymb; 116: my %dischash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 117: my %discinfo = (); 118: my $showonlyunread = 0; 119: my $showunmark = 0; 120: my $markondisp = 0; 121: my $prevread = 0; 122: my $previous = 0; 123: my $visit = 0; 124: my $newpostsflag = 0; 125: my @posters = split/\&/,$dischash{$userpickkey}; 126: 127: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 128: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','totposters']); 129: my $sortposts = $env{'form.sortposts'}; 130: my $statusfilter = $env{'form.statusfilter'}; 131: my @sectionpick = (); 132: if ($env{'form.sectionpick'} =~ /,/) { 133: @sectionpick = split/,/,$env{'form.sectionpick'}; 134: } else { 135: $sectionpick[0] = $env{'form.sectionpick'}; 136: } 137: my @rolefilter = (); 138: if ($env{'form.rolefilter'} =~ /,/) { 139: @rolefilter = split/,/,$env{'form.rolefilter'}; 140: } else { 141: $rolefilter[0] = $env{'form.rolefilter'}; 142: } 143: my $totposters = $env{'form.totposters'}; 144: $previous = $env{'form.previous'}; 145: if ($previous > 0) { 146: $prevread = $previous; 147: } elsif (defined($dischash{$lastkey})) { 148: unless ($dischash{$lastkey} eq '') { 149: $prevread = $dischash{$lastkey}; 150: } 151: } 152: 153: # Get information about students and non-students in course for filtering display of posts 154: my %roleshash = (); 155: my %roleinfo = (); 156: if ($env{'form.rolefilter'}) { 157: %roleshash = &Apache::lonnet::dump('nohist_userroles',$env{'course.'.$env{'request.course.id'}.'.domain'},$env{'course.'.$env{'request.course.id'}.'.num'}); 158: foreach (keys %roleshash) { 159: my ($role,$uname,$udom,$sec) = split/:/,$_; 160: if ($role =~ /^cr/) { 161: $role = 'cr'; 162: } 163: my ($end,$start) = split/:/,$roleshash{$_}; 164: my $now = time; 165: my $status = 'Active'; 166: if (($now < $start) || ($end > 0 && $now > $end)) { 167: $status = 'Expired'; 168: } 169: if ($uname && $udom) { 170: push @{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status; 171: } 172: } 173: my ($classlist) = &Apache::loncoursedata::get_classlist( 174: $env{'request.course.id'}, 175: $env{'course.'.$env{'request.course.id'}.'.domain'}, 176: $env{'course.'.$env{'request.course.id'}.'.num'}); 177: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 178: my $status_index = &Apache::loncoursedata::CL_STATUS(); 179: while (my ($student,$data) = each %$classlist) { 180: my ($section,$status) = ($data->[$sec_index], 181: $data->[$status_index]); 182: push @{$roleinfo{$student}}, 'st:'.$section.':'.$status; 183: } 184: } 185: 186: # Get discussion display default settings for user 187: if ($env{'environment.discdisplay'} eq 'unread') { 188: $showonlyunread = 1; 189: } 190: if ($env{'environment.discmarkread'} eq 'ondisp') { 191: $markondisp = 1; 192: } 193: 194: # Override user's default if user specified display setting for this discussion 195: if (defined($dischash{$ondispkey})) { 196: unless ($dischash{$ondispkey} eq '') { 197: $markondisp = $dischash{$ondispkey}; 198: } 199: } 200: if ($markondisp) { 201: $discinfo{$lastkey} = time; 202: } 203: 204: if (defined($dischash{$showkey})) { 205: unless ($dischash{$showkey} eq '') { 206: $showonlyunread = $dischash{$showkey}; 207: } 208: } 209: 210: if (defined($dischash{$markkey})) { 211: unless ($dischash{$markkey} eq '') { 212: $showunmark = $dischash{$markkey}; 213: } 214: } 215: 216: if (defined($dischash{$visitkey})) { 217: unless ($dischash{$visitkey} eq '') { 218: $visit = $dischash{$visitkey}; 219: } 220: } 221: $visit ++; 222: 223: my $seeid=&Apache::lonnet::allowed('rin',$crs); 224: my @discussionitems=(); 225: my %shown = (); 226: my @posteridentity=(); 227: 228: my $current=0; 229: my $visible=0; 230: my @depth=(); 231: my @replies = (); 232: my %alldiscussion=(); 233: my %imsitems=(); 234: my %imsfiles=(); 235: my %notshown = (); 236: my %newitem = (); 237: my $maxdepth=0; 238: 239: my $target=''; 240: unless ($env{'browser.interface'} eq 'textual' || 241: $env{'environment.remote'} eq 'off' ) { 242: $target='target="LONcom"'; 243: } 244: 245: my $now = time; 246: $discinfo{$visitkey} = $visit; 247: 248: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 249: &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); 250: 251: my $discussion=''; 252: my $manifestfile; 253: my $manifestok=0; 254: my $tempexport; 255: my $imsresources; 256: my $copyresult; 257: 258: my $function = &Apache::loncommon::get_users_function(); 259: my $color = &Apache::loncommon::designparm($function.'.tabbg', 260: $env{'user.domain'}); 261: my %lt = &Apache::lonlocal::texthash( 262: 'cuse' => 'Current discussion settings', 263: 'allposts' => 'All posts', 264: 'unread' => 'New posts only', 265: 'unmark' => 'Unread only', 266: 'ondisp' => 'Once displayed', 267: 'onmark' => 'Once marked not NEW', 268: 'toggoff' => 'Off', 269: 'toggon' => 'On', 270: 'disa' => 'Posts to be displayed', 271: 'npce' => 'Posts cease to be marked "NEW"', 272: 'epcb' => 'Each post can be toggled read/unread', 273: 'chgt' => 'Change', 274: 'disp' => 'Display', 275: 'nolo' => 'Not new', 276: 'togg' => 'Toggle read/unread', 277: ); 278: 279: my $currdisp = $lt{'allposts'}; 280: my $currmark = $lt{'onmark'}; 281: my $currtogg = $lt{'toggoff'}; 282: my $dispchange = $lt{'unread'}; 283: my $markchange = $lt{'ondisp'}; 284: my $toggchange = $lt{'toggon'}; 285: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 286: my $displinkA = 'onlyunread'; 287: my $displinkB = 'onlyunmark'; 288: my $marklink = 'markondisp'; 289: my $togglink = 'toggon'; 290: 291: if ($markondisp) { 292: $currmark = $lt{'ondisp'}; 293: $markchange = $lt{'onmark'}; 294: $marklink = 'markonread'; 295: } 296: 297: if ($showonlyunread) { 298: $currdisp = $lt{'unread'}; 299: $dispchange = $lt{'allposts'}; 300: $displinkA = 'allposts'; 301: } 302: 303: if ($showunmark) { 304: $currdisp = $lt{'unmark'}; 305: $dispchange = $lt{'unmark'}; 306: $displinkA='allposts'; 307: $displinkB='onlyunread'; 308: $showonlyunread = 0; 309: } 310: 311: if ($dischash{$toggkey}) { 312: $currtogg = $lt{'toggon'}; 313: $toggchange = $lt{'toggoff'}; 314: $togglink = 'toggoff'; 315: } 316: 317: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 318: 319: if ($newpostsflag) { 320: $chglink .= '&previous='.$prevread; 321: } 322: 323: if ($visible) { 324: # Print the discusssion 325: if ($outputtarget eq 'tex') { 326: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 327: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 328: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 329: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 330: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 331: } elsif ($outputtarget eq 'export') { 332: # Create temporary directory if this is an export 333: my $now = time; 334: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 335: $tempexport = $$imsextras{'tempexport'}; 336: if (!-e $tempexport) { 337: mkdir($tempexport,0700); 338: } 339: $tempexport .= '/'.$$imsextras{'count'}; 340: if (!-e $tempexport) { 341: mkdir($tempexport,0700); 342: } 343: } else { 344: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 345: if (!-e $tempexport) { 346: mkdir($tempexport,0700); 347: } 348: $tempexport .= '/'.$now; 349: if (!-e $tempexport) { 350: mkdir($tempexport,0700); 351: } 352: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 353: } 354: if (!-e $tempexport) { 355: mkdir($tempexport,0700); 356: } 357: # open manifest file 358: my $manifest = '/imsmanifest.xml'; 359: my $manifestfilename = $tempexport.$manifest; 360: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 361: $manifestok=1; 362: print $manifestfile qq| 363: <?xml version="1.0" encoding="UTF-8"?> 364: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 365: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 366: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 367: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 368: <organizations default="$ressymb"> 369: <organization identifier="$ressymb"> 370: <title>Discussion for $ressymb</title>\n|; 371: } else { 372: $discussion .= 'An error occurred opening the manifest file.<br />'; 373: } 374: } else { 375: my $colspan=$maxdepth+1; 376: $discussion.= qq| 377: <script> 378: function studentdelete (symb,idx,newflag,previous) { 379: var symbparm = symb+':::'+idx 380: var prevparm = "" 381: if (newflag == 1) { 382: prevparm = "&previous="+previous 383: } 384: 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")) { 385: document.location.href = "/adm/feedback?hide="+symbparm+prevparm 386: } 387: } 388: </script> 389: |; 390: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">'; 391: $discussion .='<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'. 392: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>'; 393: if ($visible>2) { 394: $discussion.='<td align="left">'. 395: '<a href="/adm/feedback?cmd=threadedon&symb='.$ressymb; 396: if ($newpostsflag) { 397: $discussion .= '&previous='.$prevread; 398: } 399: $discussion .='">'.&mt('Threaded View').'</a>  '. 400: '<a href="/adm/feedback?cmd=threadedoff&symb='.$ressymb; 401: if ($newpostsflag) { 402: $discussion .= '&previous='.$prevread; 403: } 404: $discussion .='">'.&mt('Chronological View').'</a>   405: <a href= "/adm/feedback?cmd=sortfilter&symb='.$ressymb; 406: if ($newpostsflag) { 407: $discussion .= '&previous='.$prevread; 408: } 409: $discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp'; 410: } else { 411: $discussion .= '<td align="left">'; 412: } 413: $discussion .='<a href= "/adm/feedback?export='.$ressymb; 414: if ($newpostsflag) { 415: $discussion .= '&previous='.$prevread; 416: } 417: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 418: if ($newpostsflag) { 419: if (!$markondisp) { 420: $discussion .='<td align="right"><a href="/adm/feedback?markread=1&symb='.$ressymb.'">'.&mt('Mark NEW posts no longer new').'</a>  '; 421: } else { 422: $discussion .= '<td> </td>'; 423: } 424: } else { 425: $discussion .= '<td> </td>'; 426: } 427: $discussion .= '</tr></table></td></tr>'; 428: 429: my $numhidden = keys %notshown; 430: if ($numhidden > 0) { 431: my $colspan = $maxdepth+1; 432: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 433: '<a href="/adm/feedback?allposts=1&symb='.$ressymb; 434: if ($newpostsflag) { 435: $discussion .= '&previous='.$prevread; 436: } 437: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 438: $numhidden.' '; 439: if ($showunmark) { 440: $discussion .= &mt('posts previously marked read'); 441: } else { 442: $discussion .= &mt('previously viewed posts'); 443: } 444: $discussion .= '<br/></td></tr>'; 445: } 446: } 447: 448: # Choose sort mechanism 449: my @showposts = (); 450: if ($sortposts eq 'descdate') { 451: @showposts = (sort { $b <=> $a } keys %alldiscussion); 452: } elsif ($sortposts eq 'thread') { 453: @showposts = (sort { $a <=> $b } keys %alldiscussion); 454: } elsif ($sortposts eq 'subject') { 455: foreach (sort keys %subjectsort) { 456: push @showposts, @{$subjectsort{$_}}; 457: } 458: } elsif ($sortposts eq 'username') { 459: foreach my $domain (sort keys %usernamesort) { 460: foreach (sort keys %{$usernamesort{$domain}}) { 461: push @showposts, @{$usernamesort{$domain}{$_}}; 462: } 463: } 464: } elsif ($sortposts eq 'lastfirst') { 465: foreach my $last (sort keys %namesort) { 466: foreach (sort keys %{$namesort{$last}}) { 467: push @showposts, @{$namesort{$last}{$_}}; 468: } 469: } 470: } else { 471: @showposts = (sort { $a <=> $b } keys %alldiscussion); 472: } 473: my $currdepth = 0; 474: my $firstidx = $alldiscussion{$showposts[0]}; 475: foreach (@showposts) { 476: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 477: $alldiscussion{$_} = $_; 478: } 479: unless ( ($notshown{$alldiscussion{$_}} eq '1') || ($shown{$alldiscussion{$_}} == 0) ) { 480: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 481: $discussion.="\n<tr>"; 482: } 483: my $thisdepth=$depth[$alldiscussion{$_}]; 484: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 485: for (1..$thisdepth) { 486: $discussion.='<td>   </td>'; 487: } 488: } 489: my $colspan=$maxdepth-$thisdepth+1; 490: if ($outputtarget eq 'tex') { 491: #cleanup block 492: $discussionitems[$alldiscussion{$_}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 493: $discussionitems[$alldiscussion{$_}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 494: my $threadinsert=''; 495: if ($thisdepth > 0) { 496: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 497: } 498: $discussionitems[$alldiscussion{$_}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 499: $discussionitems[$alldiscussion{$_}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 500: $discussionitems[$alldiscussion{$_}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 501: 502: $discussionitems[$alldiscussion{$_}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$_}]; 503: $discussion.=$discussionitems[$alldiscussion{$_}]; 504: } elsif ($outputtarget eq 'export') { 505: my $postfilename = $alldiscussion{$_}.'-'.$imsitems{$alldiscussion{$_}}{'timestamp'}.'.html'; 506: if ($manifestok) { 507: if (($depth[$alldiscussion{$_}] <= $currdepth) && ($alldiscussion{$_} != $firstidx)) { 508: print $manifestfile ' </item>'."\n"; 509: } 510: $currdepth = $depth[$alldiscussion{$_}]; 511: print $manifestfile "\n". 512: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$_}.'" isvisible="'. 513: $imsitems{$alldiscussion{$_}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$_}.'">'. 514: '<title>'.$imsitems{$alldiscussion{$_}}{'title'}.'</title>'; 515: $imsresources .= "\n". 516: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$_}.'" type="webcontent" href="'.$postfilename.'">'."\n". 517: '<file href="'.$postfilename.'">'."\n". 518: $imsfiles{$alldiscussion{$_}}{$imsitems{$alldiscussion{$_}}{'currversion'}}."\n". 519: '</resource>'; 520: } 521: my $postingfile; 522: my $postingfilename = $tempexport.'/'.$postfilename; 523: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 524: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 525: $imsitems{$alldiscussion{$_}}{'title'}.' '. 526: $imsitems{$alldiscussion{$_}}{'sender'}. 527: $imsitems{$alldiscussion{$_}}{'timestamp'}.'<br /><br />'. 528: $imsitems{$alldiscussion{$_}}{'message'}.'<br />'. 529: $imsitems{$alldiscussion{$_}}{'attach'}.'</body></html>'."\n"; 530: close($postingfile); 531: } else { 532: $discussion .= 'An error occurred opening the export file for posting '.$alldiscussion{$_}.'<br />'; 533: } 534: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$_}}{'allattachments'},$tempexport); 535: } else { 536: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$_}}]. 537: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$_}]. 538: '</td></tr>'; 539: } 540: } 541: } 542: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 543: my $colspan=$maxdepth+1; 544: $discussion .= <<END; 545: <tr bgcolor="#FFFFFF"> 546: <td colspan="$colspan" valign="top"> 547: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2"> 548: <tr> 549: <td align="left"> 550: <table border="0" cellpadding="0" cellspacing="4"> 551: <tr> 552: <td> 553: <font size="-1"><b>$lt{'cuse'}</b>:</td> 554: <td> </td> 555: <td><font size="-1"> 556: END 557: if ($newpostsflag) { 558: $discussion .= 559: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 560: if ($dischash{$toggkey}) { 561: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 562: } 563: } else { 564: if ($dischash{$toggkey}) { 565: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 566: } else { 567: $discussion .= 568: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 569: } 570: } 571: $discussion .= <<END; 572: </font></td> 573: <td> </td> 574: <td align="left"> 575: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 576: </td> 577: </tr> 578: </table> 579: </td> 580: END 581: if ($sortposts) { 582: my %sort_types = (); 583: my %role_types = (); 584: my %status_types = (); 585: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 586: 587: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 588: if (defined($env{'form.totposters'})) { 589: $discussion .= &mt('Posts by').':'; 590: if ($totposters > 0) { 591: foreach my $poster (@posters) { 592: $poster =~ s/:/\@/; 593: $discussion .= ' '.$poster.','; 594: } 595: $discussion =~ s/,$//; 596: } else { 597: $discussion .= &mt('None selected'); 598: } 599: } else { 600: my $filterchoice =''; 601: if (@sectionpick > 0) { 602: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 603: $filterchoice .= '    '; 604: } 605: if (@rolefilter > 0) { 606: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 607: foreach (@rolefilter) { 608: $filterchoice .= ' '.$role_types{$_}.','; 609: } 610: $filterchoice =~ s/,$//; 611: $filterchoice .= '<br /> &nbsp    &nbsp '; 612: } 613: if ($statusfilter) { 614: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 615: } 616: if ($filterchoice) { 617: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 618: } 619: $discussion .= '</font></td>'; 620: } 621: } 622: if ($dischash{$toggkey}) { 623: my $storebutton = &mt('Store read/unread changes'); 624: $discussion.='<td align="right">'. 625: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n". 626: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 627: ' onClick="this.form.submit();">'."\n". 628: '</td>'; 629: } 630: $discussion .= (<<END); 631: </tr> 632: </table> 633: </td> 634: </tr> 635: </table> 636: <br /><br /></form> 637: END 638: } 639: if ($outputtarget eq 'export') { 640: if ($manifestok) { 641: while ($currdepth > 0) { 642: print $manifestfile " </item>\n"; 643: $currdepth --; 644: } 645: print $manifestfile qq| 646: </organization> 647: </organizations> 648: <resources> 649: $imsresources 650: </resources> 651: </manifest> 652: |; 653: close($manifestfile); 654: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 655: $discussion = $copyresult; 656: } else { 657: 658: #Create zip file in prtspool 659: 660: my $imszipfile = '/prtspool/'. 661: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 662: time.'_'.rand(1000000000).'.zip'; 663: my $cwd = &getcwd(); 664: my $imszip = '/home/httpd/'.$imszipfile; 665: chdir $tempexport; 666: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 667: close(OUTPUT); 668: chdir $cwd; 669: $discussion .= 'Download the zip file from <a href="'.$imszipfile.'">Discussion Posting Archive</a><br />'; 670: if ($copyresult) { 671: $discussion .= 'The following errors occurred during export - <br />'.$copyresult; 672: } 673: } 674: } else { 675: $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 />'; 676: } 677: return $discussion; 678: } 679: } 680: if ($discussiononly) { 681: my $now = time; 682: my $attachnum = 0; 683: my $newattachmsg = ''; 684: my @currnewattach = (); 685: my @currdelold = (); 686: my $comment = ''; 687: my $subject = ''; 688: if ($env{'form.origpage'}) { 689: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 690: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 691: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 692: my @keepold = (); 693: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 694: if (@currnewattach > 0) { 695: $attachnum += @currnewattach; 696: } 697: } 698: if (&discussion_open($status)) { 699: $discussion.=(<<ENDDISCUSS); 700: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> 701: <input type="submit" name="discuss" value="Post Discussion" /> 702: <input type="submit" name="anondiscuss" value="Post Anonymous Discussion" /> 703: <input type="hidden" name="symb" value="$ressymb" /> 704: <input type="hidden" name="sendit" value="true" /> 705: <input type="hidden" name="timestamp" value="$now" /> 706: <br /><a name="newpost"></a> 707: <font size="1">Note: in anonymous discussion, your name is visible only 708: to course faculty</font><br /> 709: <b>Title:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 710: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 711: ENDDISCUSS 712: if ($env{'form.origpage'}) { 713: $discussion.='<input type="hidden" name="origpage" value="'.$env{'form.origpage'}.'" />'."\n"; 714: foreach (@currnewattach) { 715: $discussion.='<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 716: } 717: } 718: $discussion.="</form>\n"; 719: if ($outputtarget ne 'tex') { 720: $discussion.=&generate_attachments_button('',$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,'',$mode); 721: if (@currnewattach > 0) { 722: $newattachmsg .= '<b>New attachments</b><br />'; 723: if (@currnewattach > 1) { 724: $newattachmsg .= '<ol>'; 725: foreach my $item (@currnewattach) { 726: $item =~ m#.*/([^/]+)$#; 727: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 728: } 729: $newattachmsg .= '</ol>'."\n"; 730: } else { 731: $currnewattach[0] =~ m#.*/([^/]+)$#; 732: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 733: } 734: } 735: $discussion.=$newattachmsg; 736: $discussion.=&generate_preview_button(); 737: } 738: } 739: } else { 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: if ($outputtarget ne 'tex') { 745: $discussion.='<table bgcolor="#BBBBBB"><tr><td><a href="/adm/feedback?replydisc='. 746: $ressymb.':::" '.$target.'>'. 747: '<img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" border="0" />'. 748: &mt('Post Discussion').'</a></td></tr></table>'; 749: } 750: } 751: } 752: return $discussion; 753: } 754: 755: sub build_posting_display { 756: 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) = @_; 757: my @original=(); 758: my @index=(); 759: my $symb=&Apache::lonenc::check_decrypt($ressymb); 760: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 761: $env{'course.'.$env{'request.course.id'}.'.domain'}, 762: $env{'course.'.$env{'request.course.id'}.'.num'}); 763: 764: if ($contrib{'version'}) { 765: my $oldest = $contrib{'1:timestamp'}; 766: if ($prevread eq '0') { 767: $prevread = $oldest-1; 768: } 769: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 770: if ($sortposts) { 771: ($skiptest,$roleregexp,$secregexp,$statusregexp) = &filter_regexp($rolefilter,$sectionpick,$statusfilter); 772: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 773: } 774: for (my $id=1;$id<=$contrib{'version'};$id++) { 775: my $idx=$id; 776: my $posttime = $contrib{$idx.':timestamp'}; 777: if ($prevread <= $posttime) { 778: $$newpostsflag = 1; 779: } 780: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 781: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 782: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 783: my $origindex='0.'; 784: my $numoldver=0; 785: if ($contrib{$idx.':replyto'}) { 786: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 787: # this is a follow-up message 788: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 789: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 790: $origindex=$index[$contrib{$idx.':replyto'}]; 791: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 792: } else { 793: $original[$idx]=0; 794: $$depth[$idx]=0; 795: } 796: } else { 797: # this is an original message 798: $original[$idx]=0; 799: $$depth[$idx]=0; 800: } 801: if ($$replies[$$depth[$idx]]) { 802: $$replies[$$depth[$idx]]++; 803: } else { 804: $$replies[$$depth[$idx]]=1; 805: } 806: unless ((($hidden) && (!$seeid)) || ($deleted)) { 807: $$visible++; 808: if ($contrib{$idx.':history'}) { 809: if ($contrib{$idx.':history'} =~ /:/) { 810: my @oldversions = split/:/,$contrib{$idx.':history'}; 811: $numoldver = @oldversions; 812: } else { 813: $numoldver = 1; 814: } 815: } 816: $$current = $numoldver; 817: my %messages = (); 818: my %subjects = (); 819: my %attachtxt = (); 820: my %allattachments = (); 821: my ($screenname,$plainname); 822: my $sender = &mt('Anonymous'); 823: my ($message,$subject,$vgrlink,$ctlink); 824: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 825: 826: 827: # Set up for sorting by subject 828: unless ($outputtarget eq 'export') { 829: $message=$messages{$numoldver}; 830: $message.=$attachtxt{$numoldver}; 831: $subject=$subjects{$numoldver}; 832: if ($message) { 833: if ($hidden) { 834: $message='<font color="#888888">'.$message.'</font>'; 835: if ($studenthidden) { 836: $message .='<br /><br />Deleted by poster (student).'; 837: } 838: } 839: 840: if ($subject eq '') { 841: if (defined($$subjectsort{'__No subject'})) { 842: push @{$$subjectsort{'__No subject'}}, $idx; 843: } else { 844: @{$$subjectsort{'__No subject'}} = ("$idx"); 845: } 846: } else { 847: if (defined($$subjectsort{$subject})) { 848: push @{$$subjectsort{$subject}}, $idx; 849: } else { 850: @{$$subjectsort{$subject}} = ("$idx"); 851: } 852: } 853: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 854: $sender=&Apache::loncommon::aboutmewrapper( 855: $plainname, 856: $contrib{$idx.':sendername'}, 857: $contrib{$idx.':senderdomain'}).' ('. 858: $contrib{$idx.':sendername'}.' at '. 859: $contrib{$idx.':senderdomain'}.')'; 860: if ($contrib{$idx.':anonymous'}) { 861: $sender.=' <font color="red"><b>['.&mt('anonymous').']</b></font> '. 862: $screenname; 863: } 864: 865: # Set up for sorting by domain, then username 866: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 867: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 868: } 869: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 870: push @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx; 871: } else { 872: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 873: } 874: # Set up for sorting by last name, then first name 875: my %names = &Apache::lonnet::get('environment', 876: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 877: ,$contrib{$idx.':sendername'}); 878: my $lastname = $names{'lastname'}; 879: my $firstname = $names{'firstname'}; 880: if ($lastname eq '') { 881: $lastname = '_'; 882: } 883: if ($firstname eq '') { 884: $firstname = '_'; 885: } 886: unless (defined($$namesort{$lastname})) { 887: %{$$namesort{$lastname}} = (); 888: } 889: if (defined($$namesort{$lastname}{$firstname})) { 890: push @{$$namesort{$lastname}{$firstname}}, $idx; 891: } else { 892: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 893: } 894: if ($env{'course.'.$env{'request.course.id'}.'.allow_discussion_post_editing'} =~ m/yes/i) { 895: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 896: $sender.=' <a href="/adm/feedback?editdisc='. 897: $ressymb.':::'.$idx; 898: if ($newpostsflag) { 899: $sender .= '&previous='.$prevread; 900: } 901: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 902: unless ($seeid) { 903: $sender.=" <a href=\"javascript:studentdelete('$ressymb','$idx','$newpostsflag','$prevread')"; 904: $sender .= '">'.&mt('Delete').'</a>'; 905: } 906: } 907: } 908: if ($seeid) { 909: if ($hidden) { 910: unless ($studenthidden) { 911: $sender.=' <a href="/adm/feedback?unhide='. 912: $ressymb.':::'.$idx; 913: if ($newpostsflag) { 914: $sender .= '&previous='.$prevread; 915: } 916: $sender .= '">'.&mt('Make Visible').'</a>'; 917: } 918: } else { 919: $sender.=' <a href="/adm/feedback?hide='. 920: $ressymb.':::'.$idx; 921: if ($newpostsflag) { 922: $sender .= '&previous='.$prevread; 923: } 924: $sender .= '">'.&mt('Hide').'</a>'; 925: } 926: $sender.=' <a href="/adm/feedback?deldisc='. 927: $ressymb.':::'.$idx; 928: if ($newpostsflag) { 929: $sender .= '&previous='.$prevread; 930: } 931: $sender .= '">'.&mt('Delete').'</a>'; 932: } 933: } else { 934: if ($screenname) { 935: $sender='<i>'.$screenname.'</i>'; 936: } 937: # Set up for sorting by domain, then username for anonymous 938: unless (defined($$usernamesort{'__anon'})) { 939: %{$$usernamesort{'__anon'}} = (); 940: } 941: if (defined($$usernamesort{'__anon'}{'__anon'})) { 942: push @{$$usernamesort{'__anon'}{'__anon'}}, $idx; 943: } else { 944: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 945: } 946: # Set up for sorting by last name, then first name for anonymous 947: unless (defined($$namesort{'__anon'})) { 948: %{$$namesort{'__anon'}} = (); 949: } 950: if (defined($$namesort{'__anon'}{'__anon'})) { 951: push @{$$namesort{'__anon'}{'__anon'}}, $idx; 952: } else { 953: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 954: } 955: } 956: if (&discussion_open($status) && 957: &Apache::lonnet::allowed('pch', 958: $env{'request.course.id'}. 959: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 960: $sender.=' <a href="/adm/feedback?replydisc='. 961: $ressymb.':::'.$idx; 962: if ($newpostsflag) { 963: $sender .= '&previous='.$prevread; 964: } 965: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 966: } 967: if ($viewgrades) { 968: $vgrlink=&Apache::loncommon::submlink('Submissions', 969: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 970: } 971: if ($$dischash{$readkey}=~/\.$idx\./) { 972: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 973: } else { 974: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 975: } 976: } 977: #figure out at what position this needs to print 978: } 979: if ($outputtarget eq 'export' || $message) { 980: my $thisindex=$idx; 981: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 982: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 983: } 984: $$alldiscussion{$thisindex}=$idx; 985: $$shown{$idx} = 0; 986: $index[$idx]=$thisindex; 987: } 988: if ($outputtarget eq 'export') { 989: %{$$imsitems{$idx}} = (); 990: $$imsitems{$idx}{'isvisible'}='true'; 991: if ($hidden) { 992: $$imsitems{$idx}{'isvisible'}='false'; 993: } 994: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 995: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 996: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 997: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 998: $$imsitems{$idx}{'sender'}=$plainname.' ('. 999: $contrib{$idx.':sendername'}.' at '. 1000: $contrib{$idx.':senderdomain'}.')'; 1001: $$imsitems{$idx}{'isanonymous'}='false'; 1002: if ($contrib{$idx.':anonymous'}) { 1003: $$imsitems{$idx}{'isanonymous'}='true'; 1004: } 1005: $$imsitems{$idx}{'currversion'}=$numoldver; 1006: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1007: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1008: $$shown{$idx} = 1; 1009: } 1010: } else { 1011: if ($message) { 1012: my $spansize = 2; 1013: if ($showonlyunread && $prevread > $posttime) { 1014: $$notshown{$idx} = 1; 1015: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1016: $$notshown{$idx} = 1; 1017: } else { 1018: # apply filters 1019: my $uname = $contrib{$idx.':sendername'}; 1020: my $udom = $contrib{$idx.':senderdomain'}; 1021: my $poster = $uname.':'.$udom; 1022: if (defined($env{'form.totposters'})) { 1023: if ($totposters == 0) { 1024: $$shown{$idx} = 0; 1025: } elsif ($totposters > 0) { 1026: if (grep/^$poster$/,@{$posters}) { 1027: $$shown{$idx} = 1; 1028: } 1029: } 1030: } elsif ($sortposts) { 1031: if ($skiptest) { 1032: $$shown{$idx} = 1; 1033: } else { 1034: foreach my $role (@{$$roleinfo{$poster}}) { 1035: if ($role =~ /^cc:/) { 1036: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1037: if ($role =~ /$cc_regexp/) { 1038: $$shown{$idx} = 1; 1039: last; 1040: } 1041: } elsif ($role =~ /^$rolematch$/) { 1042: $$shown{$idx} = 1; 1043: last; 1044: } 1045: } 1046: } 1047: } else { 1048: $$shown{$idx} = 1; 1049: } 1050: } 1051: unless ($$notshown{$idx} == 1) { 1052: if ($prevread > 0 && $prevread <= $posttime) { 1053: $$newitem{$idx} = 1; 1054: $$discussionitems[$idx] .= ' 1055: <p><table border="0" width="100%"> 1056: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>'; 1057: } else { 1058: $$newitem{$idx} = 0; 1059: $$discussionitems[$idx] .= ' 1060: <p><table border="0" width="100%"> 1061: <tr><td align="left"> </td>'; 1062: } 1063: $$discussionitems[$idx] .= '<td align ="left">  '. 1064: '<b>'.$subject.'</b>  '. 1065: $sender.'</b> '.$vgrlink.' ('. 1066: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1067: if ($$dischash{$toggkey}) { 1068: $$discussionitems[$idx].='<td align="right">  '. 1069: $ctlink.'</td>'; 1070: } 1071: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1072: $message.'</blockquote></p>'; 1073: if ($contrib{$idx.':history'}) { 1074: my @postversions = (); 1075: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1076: if ($seeid) { 1077: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$ressymb.':::'.$idx.'">'.&mt('Display all versions').'</a>'; 1078: } 1079: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1080: if ($contrib{$idx.':history'} =~ m/:/) { 1081: @postversions = split/:/,$contrib{$idx.':history'}; 1082: } else { 1083: @postversions = ("$contrib{$idx.':history'}"); 1084: } 1085: for (my $i=0; $i<@postversions; $i++) { 1086: my $version = $i+1; 1087: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1088: } 1089: } 1090: } 1091: } 1092: } 1093: } 1094: } 1095: } 1096: } 1097: 1098: sub filter_regexp { 1099: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1100: my ($roleregexp,$secregexp,$statusregexp); 1101: my $skiptest = 1; 1102: if (@{$rolefilter} > 0) { 1103: my @okrolefilter = (); 1104: foreach (@{$rolefilter}) { 1105: unless ($_ eq '') { 1106: push @okrolefilter, $_; 1107: } 1108: } 1109: if (@okrolefilter > 0) { 1110: if (grep/^all$/,@okrolefilter) { 1111: $roleregexp='[^:]+'; 1112: } else { 1113: if (@okrolefilter == 1) { 1114: $roleregexp=$okrolefilter[0]; 1115: } else { 1116: $roleregexp='('.join('|',@okrolefilter).')'; 1117: } 1118: $skiptest = 0; 1119: } 1120: } 1121: } 1122: if (@{$sectionpick} > 0) { 1123: my @oksectionpick = (); 1124: foreach (@{$sectionpick}) { 1125: unless ($_ eq '') { 1126: push @oksectionpick, $_; 1127: } 1128: } 1129: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1130: if (@oksectionpick == 1) { 1131: $secregexp = $oksectionpick[0]; 1132: } else { 1133: $secregexp .= '('.join('|',@oksectionpick).')'; 1134: } 1135: $skiptest = 0; 1136: } else { 1137: $secregexp .= '[^:]*'; 1138: } 1139: } 1140: if (defined($statusfilter) && $statusfilter ne '') { 1141: if ($statusfilter eq 'all') { 1142: $statusregexp = '[^:]+'; 1143: } else { 1144: $statusregexp = $statusfilter; 1145: $skiptest = 0; 1146: } 1147: } 1148: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1149: } 1150: 1151: 1152: sub get_post_contents { 1153: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1154: my $discussion = ''; 1155: my $start=$numver; 1156: my $end=$numver + 1; 1157: %{$$imsfiles{$idx}}=(); 1158: if ($type eq 'allversions') { 1159: unless($seeid) { 1160: $discussion=&mt('You do not have privileges to view all versions of posts.').&mt('Please select a different role'); 1161: return $discussion; 1162: } 1163: } 1164: # $$screenname=&Apache::loncommon::screenname( 1165: # $$contrib{$idx.':sendername'}, 1166: # $$contrib{$idx.':senderdomain'}); 1167: # $$plainname=&Apache::loncommon::nickname( 1168: # $$contrib{$idx.':sendername'}, 1169: # $$contrib{$idx.':senderdomain'}); 1170: ($$screenname,$$plainname)=($$contrib{$idx.':screenname'}, 1171: $$contrib{$idx.':plainname'}); 1172: my $sender=&Apache::loncommon::aboutmewrapper( 1173: $$plainname, 1174: $$contrib{$idx.':sendername'}, 1175: $$contrib{$idx.':senderdomain'}).' ('. 1176: $$contrib{$idx.':sendername'}.' at '. 1177: $$contrib{$idx.':senderdomain'}.')'; 1178: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1179: my @postversions = (); 1180: if ($type eq 'allversions' || $type eq 'export') { 1181: $start = 0; 1182: if ($$contrib{$idx.':history'}) { 1183: if ($$contrib{$idx.':history'} =~ m/:/) { 1184: @postversions = split/:/,$$contrib{$idx.':history'}; 1185: } else { 1186: @postversions = ("$$contrib{$idx.':history'}"); 1187: } 1188: } 1189: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1190: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1191: push @postversions,$$contrib{$idx.':timestamp'}; 1192: $end = @postversions; 1193: } else { 1194: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1195: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1196: } 1197: 1198: if ($$contrib{$idx.':anonymous'}) { 1199: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1200: } 1201: if ($type eq 'allversions') { 1202: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1203: } 1204: for (my $i=$start; $i<$end; $i++) { 1205: my ($timesent,$attachmsg); 1206: my %currattach = (); 1207: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1208: &newline_to_br(\$messages->{$i}); 1209: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1210: $$subjects{$i}=~s/\n/\<br \/\>/g; 1211: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1212: if ($attachmenturls) { 1213: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1214: } 1215: if ($type eq 'export') { 1216: $$imsfiles{$idx}{$i} = ''; 1217: if ($attachmsg) { 1218: $$attachtxt{$i} = '<br />Attachments:<br />'; 1219: foreach (sort keys %currattach) { 1220: if ($$allattachments{$_}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1221: my $fname = $1.$3.'/'.$4; 1222: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1223: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1224: } 1225: } 1226: } 1227: } else { 1228: if ($attachmsg) { 1229: $$attachtxt{$i} = '<br />Attachments:'.$attachmsg.'<br />'; 1230: } else { 1231: $$attachtxt{$i} = ''; 1232: } 1233: } 1234: if ($type eq 'allversions') { 1235: $discussion.= <<"END"; 1236: <li><b>$$subjects{$i}</b>, $timesent<br /> 1237: $$messages{$i}<br /> 1238: $$attachtxt{$i}</li> 1239: END 1240: } 1241: } 1242: if ($type eq 'allversions') { 1243: $discussion.=('</ul></body></html>'); 1244: return $discussion; 1245: } else { 1246: return; 1247: } 1248: } 1249: 1250: sub replicate_attachments { 1251: my ($attachrefs,$tempexport) = @_; 1252: my $response; 1253: foreach my $id (keys %{$attachrefs}) { 1254: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1255: my $path = $tempexport; 1256: my $tail = $1.'/'.$2.$4; 1257: my @extras = split/\//,$tail; 1258: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1259: if (!-e $destination) { 1260: my $i= 0; 1261: while ($i<@extras) { 1262: $path .= '/'.$extras[$i]; 1263: if (!-e $path) { 1264: mkdir($path,0700); 1265: } 1266: $i ++; 1267: } 1268: my ($content,$rtncode); 1269: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1270: if ($uploadreply eq 'ok') { 1271: my $attachcopy; 1272: if ($attachcopy = Apache::File->new('>'.$destination)) { 1273: print $attachcopy $content; 1274: close($attachcopy); 1275: } else { 1276: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$!.'<br />'."\n"; 1277: } 1278: } else { 1279: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1280: $response .= 'Error copying file attachment - '.$5.' to IMS package: '.$rtncode.'<br />'."\n"; 1281: } 1282: } 1283: } 1284: } 1285: return $response; 1286: } 1287: 1288: sub mail_screen { 1289: my ($r,$feedurl,$options) = @_; 1290: if (exists($env{'form.origpage'})) { 1291: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss']); 1292: } 1293: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion', 1294: '','onLoad="window.focus();setposttype();"'); 1295: my $title=&Apache::lonnet::gettitle($feedurl); 1296: if (!$title) { $title = $feedurl; } 1297: my $quote=''; 1298: my $subject = ''; 1299: my $comment = ''; 1300: my $prevtag = ''; 1301: my $parentmsg = ''; 1302: my ($symb,$idx,$attachmenturls); 1303: my $numoldver = 0; 1304: my $attachmsg = ''; 1305: my $newattachmsg = ''; 1306: my @currnewattach = (); 1307: my @currdelold = (); 1308: my @keepold = (); 1309: my %attachments = (); 1310: my %currattach = (); 1311: my $attachnum = 0; 1312: my $anonchk = (<<END); 1313: function anonchk() { 1314: if (document.mailform.anondiscuss.checked == true) { 1315: document.attachment.anondiscuss.value = '1' 1316: } 1317: if (document.mailform.discuss.checked == true) { 1318: document.attachment.discuss.value = '1' 1319: } 1320: return 1321: } 1322: END 1323: my $anonscript; 1324: if (exists($env{'form.origpage'})) { 1325: $anonscript = (<<END); 1326: function setposttype() { 1327: var anondisc = $env{'form.anondiscuss'}; 1328: var disc = $env{'form.discuss'}; 1329: if (anondisc == 1) { 1330: document.mailform.anondiscuss.checked = true 1331: } 1332: if (disc == 1) { 1333: document.mailform.discuss.checked = true 1334: } 1335: return 1336: } 1337: END 1338: } else { 1339: $anonscript = (<<END); 1340: function setposttype() { 1341: return 1342: } 1343: END 1344: } 1345: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1346: if ($env{'form.replydisc'}) { 1347: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1348: } else { 1349: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1350: } 1351: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1352: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1353: $env{'course.'.$env{'request.course.id'}.'.num'}); 1354: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1355: if ($contrib{$idx.':history'}) { 1356: if ($contrib{$idx.':history'} =~ /:/) { 1357: my @oldversions = split/:/,$contrib{$idx.':history'}; 1358: $numoldver = @oldversions; 1359: } else { 1360: $numoldver = 1; 1361: } 1362: } 1363: if ($env{'form.replydisc'}) { 1364: if ($contrib{$idx.':history'}) { 1365: if ($contrib{$idx.':history'} =~ /:/) { 1366: my @oldversions = split/:/,$contrib{$idx.':history'}; 1367: $numoldver = @oldversions; 1368: } else { 1369: $numoldver = 1; 1370: } 1371: } 1372: my $message; 1373: if ($idx > 0) { 1374: my %msgversions = (); 1375: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1376: $message = $msgversions{$numoldver}; 1377: } 1378: &newline_to_br(\$message); 1379: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($message).'</blockquote>'; 1380: if ($idx > 0) { 1381: my %subversions = (); 1382: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1383: $subject = 'Re: '.$subversions{$numoldver}; 1384: } 1385: $subject = &HTML::Entities::encode($subject,'<>&"'); 1386: } else { 1387: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1388: if ($idx > 0) { 1389: my %msgversions = (); 1390: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1391: $comment = $msgversions{$numoldver}; 1392: my %subversions = (); 1393: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1394: $subject = $subversions{$numoldver}; 1395: } 1396: if (defined($contrib{$idx.':replyto'})) { 1397: $parentmsg = $contrib{$idx.':replyto'}; 1398: } 1399: unless (exists($env{'form.origpage'})) { 1400: my $anonflag = 0; 1401: if ($contrib{$idx.':anonymous'}) { 1402: $anonflag = 1; 1403: } 1404: $anonscript = (<<END); 1405: function setposttype () { 1406: var currtype = $anonflag 1407: if (currtype == 1) { 1408: document.mailform.elements.discuss.checked = false 1409: document.mailform.elements.anondiscuss.checked = true 1410: } 1411: if (currtype == 0) { 1412: document.mailform.elements.anondiscuss.checked = false 1413: document.mailform.elements.discuss.checked = true 1414: } 1415: return 1416: } 1417: END 1418: } 1419: } 1420: } 1421: if ($env{'form.previous'}) { 1422: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1423: } 1424: } 1425: 1426: if ($env{'form.origpage'}) { 1427: $subject = &Apache::lonnet::unescape($env{'form.subject'}); 1428: $comment = &Apache::lonnet::unescape($env{'form.comment'}); 1429: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1430: } 1431: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); 1432: my $htmlheader=&Apache::lonhtmlcommon::htmlareaheaders(); 1433: my $send=&mt('Send'); 1434: my $html=&Apache::lonxml::xmlbegin(); 1435: $r->print(<<END); 1436: $html 1437: <head> 1438: <title>The LearningOnline Network with CAPA</title> 1439: <meta http-equiv="pragma" content="no-cache"></meta> 1440: $htmlheader 1441: <script type="text/javascript"> 1442: // 1488: </script> 1489: </head> 1490: $bodytag 1491: <h2><tt>$title</tt></h2> 1492: <form action="/adm/feedback" method="post" name="mailform" 1493: enctype="multipart/form-data"> 1494: $prevtag 1495: <input type="hidden" name="postdata" value="$feedurl" /> 1496: END 1497: if ($env{'form.replydisc'}) { 1498: $r->print(<<END); 1499: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1500: END 1501: } elsif ($env{'form.editdisc'}) { 1502: $r->print(<<END); 1503: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1504: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1505: END 1506: } 1507: $r->print(<<END); 1508: Please check at least one of the following feedback types: 1509: $options<hr /> 1510: $quote 1511: <p>My question/comment/feedback:</p> 1512: <p> 1513: $latexHelp 1514: Title: <input type="text" name="subject" size="30" value="$subject" /></p> 1515: <p> 1516: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1517: </textarea></p> 1518: <p> 1519: END 1520: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1521: if ($env{'form.origpage'}) { 1522: foreach (@currnewattach) { 1523: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 1524: } 1525: foreach (@currdelold) { 1526: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 1527: } 1528: } 1529: if ($env{'form.editdisc'}) { 1530: if ($attachmenturls) { 1531: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1532: $attachnum = scalar(keys %currattach); 1533: foreach (keys %currattach) { 1534: $r->print('<input type="hidden" name="keepold" value="'.$_.'" />'."\n"); 1535: } 1536: } 1537: } 1538: } else { 1539: $r->print(<<END); 1540: Attachment (128 KB max size): <input type="file" name="attachment" /> 1541: </p> 1542: END 1543: } 1544: $r->print(<<END); 1545: <p> 1546: <input type="hidden" name="sendit" value="1" /> 1547: <input type="button" value="$send" onClick='gosubmit();' /> 1548: </p> 1549: </form> 1550: END 1551: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1552: my $now = time; 1553: my $ressymb = $symb; 1554: my $postidx = ''; 1555: if ($env{'form.editdisc'}) { 1556: $postidx = $idx; 1557: } 1558: if (@currnewattach > 0) { 1559: $attachnum += @currnewattach; 1560: } 1561: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver)); 1562: if ($attachnum > 0) { 1563: if (@currnewattach > 0) { 1564: $newattachmsg .= '<b>New attachments</b><br />'; 1565: if (@currnewattach > 1) { 1566: $newattachmsg .= '<ol>'; 1567: foreach my $item (@currnewattach) { 1568: $item =~ m#.*/([^/]+)$#; 1569: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1570: } 1571: $newattachmsg .= '</ol>'."\n"; 1572: } else { 1573: $currnewattach[0] =~ m#.*/([^/]+)$#; 1574: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1575: } 1576: } 1577: if ($attachmsg) { 1578: $r->print("<b>Retained attachments</b>:$attachmsg<br />\n"); 1579: } 1580: if ($newattachmsg) { 1581: $r->print("$newattachmsg<br />"); 1582: } 1583: } 1584: } 1585: $r->print(&generate_preview_button(). 1586: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1587: '</body></html>'); 1588: } 1589: 1590: sub print_display_options { 1591: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1592: &Apache::loncommon::content_type($r,'text/html'); 1593: $r->send_http_header; 1594: 1595: my $function = &Apache::loncommon::get_users_function(); 1596: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1597: $env{'user.domain'}); 1598: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1599: '',''); 1600: 1601: my %lt = &Apache::lonlocal::texthash( 1602: 'dido' => 'Discussion display options', 1603: 'pref' => 'Display Preference', 1604: 'curr' => 'Current setting ', 1605: 'actn' => 'Action', 1606: 'deff' => 'Default for all discussions', 1607: 'prca' => 'Preferences can be set for this discussion that determine ....', 1608: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', 1609: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1610: 'wipa' => 'Whether individual posts can be marked as read/unread', 1611: 'allposts' => 'All posts', 1612: 'unread' => 'New posts only', 1613: 'unmark' => 'Posts not marked read', 1614: 'ondisp' => 'Once displayed', 1615: 'onmark' => 'Once marked not NEW ', 1616: 'toggon' => 'Shown', 1617: 'toggoff' => 'Not shown', 1618: 'disa' => 'Posts displayed?', 1619: 'npmr' => 'New posts cease to be identified as "NEW"?', 1620: 'dotm' => 'Option to mark each post as read/unread?', 1621: 'chgt' => 'Change to ', 1622: 'mkdf' => 'Set to ', 1623: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1624: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1625: ); 1626: 1627: my $dispchangeA = $lt{'unread'}; 1628: my $dispchangeB = $lt{'unmark'}; 1629: my $markchange = $lt{'ondisp'}; 1630: my $toggchange = $lt{'toggon'}; 1631: my $currdisp = $lt{'allposts'}; 1632: my $currmark = $lt{'onmark'}; 1633: my $discdisp = 'allposts'; 1634: my $discmark = 'onmark'; 1635: my $currtogg = $lt{'toggoff'}; 1636: my $disctogg = 'toggoff'; 1637: 1638: if ($dispchgA eq 'allposts') { 1639: $dispchangeA = $lt{'allposts'}; 1640: $currdisp = $lt{'unread'}; 1641: $discdisp = 'unread'; 1642: } 1643: 1644: if ($markchg eq 'markonread') { 1645: $markchange = $lt{'onmark'}; 1646: $currmark = $lt{'ondisp'}; 1647: $discmark = 'ondisp'; 1648: } 1649: 1650: if ($dispchgB eq 'onlyunread') { 1651: $dispchangeB = $lt{'unread'}; 1652: $currdisp = $lt{'unmark'}; 1653: $discdisp = 'unmark'; 1654: } 1655: if ($toggchg eq 'toggoff') { 1656: $toggchange = $lt{'toggoff'}; 1657: $currtogg = $lt{'toggon'}; 1658: $disctogg = 'toggon'; 1659: } 1660: my $html=&Apache::lonxml::xmlbegin(); 1661: $r->print(<<END); 1662: $html 1663: <head> 1664: <title>$lt{'dido'}</title> 1665: <meta http-equiv="pragma" content="no-cache" /> 1666: <script> 1667: function discdispChk(caller) { 1668: var disctogg = '$toggchg' 1669: if (caller == 0) { 1670: if (document.modifydisp.discdisp[0].checked == true) { 1671: if (document.modifydisp.discdisp[1].checked == true) { 1672: document.modifydisp.discdisp[1].checked = false 1673: } 1674: } 1675: } 1676: if (caller == 1) { 1677: if (document.modifydisp.discdisp[1].checked == true) { 1678: if (document.modifydisp.discdisp[0].checked == true) { 1679: document.modifydisp.discdisp[0].checked = false 1680: } 1681: if (disctogg == 'toggon') { 1682: document.modifydisp.disctogg.checked = true 1683: } 1684: if (disctogg == 'toggoff') { 1685: document.modifydisp.disctogg.checked = false 1686: } 1687: } 1688: } 1689: if (caller == 2) { 1690: var dispchgB = '$dispchgB' 1691: if (disctogg == 'toggoff') { 1692: if (document.modifydisp.disctogg.checked == true) { 1693: if (dispchgB == 'onlyunmark') { 1694: document.modifydisp.discdisp[1].checked = false 1695: } 1696: } 1697: } 1698: } 1699: } 1700: 1701: function setDisp() { 1702: var prev = "$previous" 1703: var chktotal = 0 1704: if (document.modifydisp.discdisp[0].checked == true) { 1705: document.modifydisp.$dispchgA.value = "$symb" 1706: chktotal ++ 1707: } 1708: if (document.modifydisp.discdisp[1].checked == true) { 1709: document.modifydisp.$dispchgB.value = "$symb" 1710: chktotal ++ 1711: } 1712: if (document.modifydisp.discmark.checked == true) { 1713: document.modifydisp.$markchg.value = "$symb" 1714: chktotal ++ 1715: } 1716: if (document.modifydisp.disctogg.checked == true) { 1717: document.modifydisp.$toggchg.value = "$symb" 1718: chktotal ++ 1719: } 1720: if (chktotal > 0) { 1721: document.modifydisp.submit() 1722: } else { 1723: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1724: if (prev > 0) { 1725: location.href = "$feedurl?previous=$previous" 1726: } else { 1727: location.href = "$feedurl" 1728: } 1729: } 1730: } 1731: } 1732: </script> 1733: </head> 1734: $bodytag 1735: <form name="modifydisp" method="post" action="/adm/feedback"> 1736: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1737: <br /> 1738: <table border="0" cellpadding="0" cellspacing="0"> 1739: <tr> 1740: <td width="100%" bgcolor="#000000"> 1741: <table width="100%" border="0" cellpadding="1" cellspacing="0"> 1742: <tr> 1743: <td width="100%" bgcolor="#000000"> 1744: <table border="0" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF"> 1745: <tr bgcolor="$tabcolor"> 1746: <td><b>$lt{'pref'}</b></td> 1747: <td><b>$lt{'curr'}</b></td> 1748: <td><b>$lt{'actn'}?</b></td> 1749: </tr> 1750: <tr bgcolor="#dddddd"> 1751: <td>$lt{'disa'}</td> 1752: <td>$lt{$discdisp}</td> 1753: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1754: <br /> 1755: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1756: </td> 1757: </tr><tr bgcolor="#eeeeee"> 1758: <td>$lt{'npmr'}</td> 1759: <td>$lt{$discmark}</td> 1760: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1761: </tr><tr bgcolor="#dddddd"> 1762: <td>$lt{'dotm'}</td> 1763: <td>$lt{$disctogg}</td> 1764: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1765: </tr> 1766: </table> 1767: </td> 1768: </tr> 1769: </table> 1770: </td> 1771: </tr> 1772: </table> 1773: <br /> 1774: <br /> 1775: <input type="hidden" name="symb" value="$symb" /> 1776: <input type="hidden" name="previous" value="$previous" /> 1777: <input type="hidden" name="$dispchgA" value=""/> 1778: <input type="hidden" name="$dispchgB" value=""/> 1779: <input type="hidden" name="$markchg" value=""/> 1780: <input type="hidden" name="$toggchg" value="" /> 1781: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" /> 1782: <br /> 1783: <br /> 1784: </form> 1785: </body> 1786: </html> 1787: END 1788: return; 1789: } 1790: 1791: sub print_sortfilter_options { 1792: my ($r,$symb,$previous,$feedurl) = @_; 1793: 1794: &Apache::loncommon::content_type($r,'text/html'); 1795: $r->send_http_header; 1796: 1797: &Apache::lonenc::check_encrypt(\$symb); 1798: my @sections = (); 1799: my $section_sel = ''; 1800: my $numsections = 0; 1801: my $numvisible = 5; 1802: my %sectioncount = (); 1803: 1804: $numsections = &Apache::loncommon::get_sections($env{'course.'.$env{'request.course.id'}.'.domain'},$env{'course.'.$env{'request.course.id'}.'.num'},\%sectioncount); 1805: 1806: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 1807: @sections = ('all',$env{'request.course.sec'}); 1808: $numvisible = 2; 1809: } else { 1810: @sections = sort {$a cmp $b} keys(%sectioncount); 1811: unshift(@sections,'all'); # Put 'all' at the front of the list 1812: if ($numsections < 4) { 1813: $numvisible = $numsections + 1; 1814: } 1815: } 1816: foreach (@sections) { 1817: $section_sel .= " <option value=\"$_\" />$_\n"; 1818: } 1819: 1820: my $function = &Apache::loncommon::get_users_function(); 1821: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1822: $env{'user.domain'}); 1823: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1824: '',''); 1825: my %lt = &Apache::lonlocal::texthash( 1826: 'diso' => 'Discussion sorting and filtering options', 1827: 'diop' => 'Display Options', 1828: 'curr' => 'Current setting ', 1829: 'actn' => 'Action', 1830: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 1831: 'soor' => 'Sort order', 1832: 'spur' => 'Specific user roles', 1833: 'sprs' => 'Specific role status', 1834: 'spse' => 'Specific sections', 1835: 'psub' => 'Pick specific users (by name)', 1836: 'shal' => 'Show a list of current posters' 1837: ); 1838: 1839: my %sort_types = (); 1840: my %role_types = (); 1841: my %status_types = (); 1842: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 1843: my $html=&Apache::lonxml::xmlbegin(); 1844: $r->print(<<END); 1845: $html 1846: <head> 1847: <title>$lt{'diso'}</title> 1848: <meta http-equiv="pragma" content="no-cache" /> 1849: <script type="text/javascript"> 1850: function verifyFilter() { 1851: var rolenum = 0 1852: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 1853: if (document.modifyshown.rolefilter.options[i].selected == true) { 1854: rolenum ++ 1855: } 1856: } 1857: if (rolenum == 0) { 1858: document.modifyshown.rolefilter.options[0].selected = true 1859: } 1860: 1861: var secnum = 0 1862: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 1863: if (document.modifyshown.sectionpick.options[i].selected == true) { 1864: secnum ++ 1865: } 1866: } 1867: if (secnum == 0) { 1868: document.modifyshown.sectionpick.options[0].selected = true 1869: } 1870: document.modifyshown.submit(); 1871: } 1872: </script> 1873: </head> 1874: $bodytag 1875: <form name="modifyshown" method="post" action="/adm/feedback"> 1876: <b>$lt{'diso'}</b><br/> $lt{'prca'} 1877: <br /><br /> 1878: <table border="0"> 1879: <tr> 1880: <td><b>$lt{'soor'}</b></td> 1881: <td> </td> 1882: <td><b>$lt{'sprs'}</b></td> 1883: <td> </td> 1884: <td><b>$lt{'spur'}</b></td> 1885: <td> </td> 1886: <td><b>$lt{'spse'}</b></td> 1887: <td> </td> 1888: <td><b>$lt{'psub'}</b></td> 1889: </tr> 1890: <tr> 1891: <td align="center"> 1892: <select name="sortposts"> 1893: <option value="ascdate" selected="selected" />$sort_types{'ascdate'} 1894: <option value="descdate" />$sort_types{'descdate'} 1895: <option value="thread" />$sort_types{'thread'} 1896: <option value="subject" />$sort_types{'subject'} 1897: <option value="username" />$sort_types{'username'} 1898: <option value="lastfirst" />$sort_types{'lastfirst'} 1899: </select> 1900: </td> 1901: <td> </td> 1902: <td align="center"> 1903: <select name="statusfilter"> 1904: <option value="all" selected="selected" />$status_types{'all'} 1905: <option value="Active" />$status_types{'Active'} 1906: <option value="Expired" />$status_types{'Expired'} 1907: </select> 1908: </td> 1909: <td> </td> 1910: <td align="center"> 1911: <select name="rolefilter" multiple="true" size="5"> 1912: <option value="all" />$role_types{'all'} 1913: <option value="st" />$role_types{'st'} 1914: <option value="cc" />$role_types{'cc'} 1915: <option value="in" />$role_types{'in'} 1916: <option value="ta" />$role_types{'ta'} 1917: <option value="ep" />$role_types{'ep'} 1918: <option value="ad" />$role_types{'ad'} 1919: <option value="cr" />$role_types{'cr'} 1920: </select> 1921: </td> 1922: <td> </td> 1923: <td align="center"> 1924: <select name="sectionpick" multiple="true" size="$numvisible"> 1925: $section_sel 1926: </select> 1927: </td> 1928: <td> </td> 1929: <td><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 1930: </tr> 1931: </table> 1932: <br /> 1933: <br /> 1934: <input type="hidden" name="previous" value="$previous" /> 1935: <input type="hidden" name="applysort" value="$symb" /> 1936: <input type="button" name="sub" value="Store Changes" onClick="verifyFilter()" /> 1937: <br /> 1938: <br /> 1939: </form> 1940: </body> 1941: </html> 1942: END 1943: } 1944: 1945: sub print_showposters { 1946: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 1947: 1948: &Apache::loncommon::content_type($r,'text/html'); 1949: $r->send_http_header; 1950: 1951: &Apache::lonenc::check_encrypt(\$symb); 1952: my $crs='/'.$env{'request.course.id'}; 1953: if ($env{'request.course.sec'}) { 1954: $crs.='_'.$env{'request.course.sec'}; 1955: } 1956: $crs=~s/\_/\//g; 1957: my $seeid=&Apache::lonnet::allowed('rin',$crs); 1958: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1959: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1960: $env{'course.'.$env{'request.course.id'}.'.num'}); 1961: my %namesort = (); 1962: my %postcounts = (); 1963: my %lt=&Apache::lonlocal::texthash( 1964: 'diso' => 'Discussion filtering options', 1965: ); 1966: my $bodytag=&Apache::loncommon::bodytag('Discussion options', 1967: '',''); 1968: if ($contrib{'version'}) { 1969: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 1970: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 1971: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 1972: unless ((($hidden) && (!$seeid)) || ($deleted)) { 1973: if ((!$contrib{$idx.':anonymous'}) || ($seeid)) { 1974: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1975: my $lastname = $names{'lastname'}; 1976: my $firstname = $names{'firstname'}; 1977: if ($lastname eq '') { 1978: $lastname = '_'; 1979: } 1980: if ($firstname eq '') { 1981: $firstname = '_'; 1982: } 1983: unless (defined($namesort{$lastname})) { 1984: %{$namesort{$lastname}} = (); 1985: } 1986: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 1987: $postcounts{$poster} ++; 1988: if (defined($namesort{$lastname}{$firstname})) { 1989: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 1990: push @{$namesort{$lastname}{$firstname}}, $poster; 1991: } 1992: } else { 1993: @{$namesort{$lastname}{$firstname}} = ("$poster"); 1994: } 1995: } 1996: } 1997: } 1998: } 1999: my $html=&Apache::lonxml::xmlbegin(); 2000: $r->print(<<END); 2001: $html 2002: <head> 2003: <title>$lt{'diso'}</title> 2004: <meta http-equiv="pragma" content="no-cache" /> 2005: </head> 2006: $bodytag 2007: <form name="pickpostersform" method="post"> 2008: <table border="0"> 2009: <tr> 2010: <td bgcolor="#777777"> 2011: <table border="0" cellpadding="3"> 2012: <tr bgcolor="#e6ffff"> 2013: <td><b>No.</b></td> 2014: <td><b>Select</b></td> 2015: <td><b>Fullname</b><font color="#999999">(Username/domain)</font></td> 2016: <td><b>Posts</td> 2017: </tr> 2018: END 2019: my $count = 0; 2020: foreach my $last (sort keys %namesort) { 2021: foreach my $first (sort keys %{$namesort{$last}}) { 2022: foreach (sort @{$namesort{$last}{$first}}) { 2023: my ($uname,$udom) = split/:/,$_; 2024: if (!$uname || !$udom) { 2025: next; 2026: } else { 2027: $count ++; 2028: $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>'); 2029: } 2030: } 2031: } 2032: } 2033: $r->print(<<END); 2034: </table> 2035: </td> 2036: </tr> 2037: </table> 2038: <br /> 2039: <input type="hidden" name="sortposts" value="$sortposts" /> 2040: <input type="hidden" name="userpick" value="$symb" /> 2041: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2042: </form> 2043: </body> 2044: </html> 2045: END 2046: } 2047: 2048: sub get_post_versions { 2049: my ($versions,$incoming,$htmldecode,$numver) = @_; 2050: if ($incoming =~ /^<version num="0">/) { 2051: my $p = HTML::LCParser->new(\$incoming); 2052: my $done = 0; 2053: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2054: my $num = $token->[1]{num}; 2055: my $text = $p->get_text("/version"); 2056: if (defined($numver)) { 2057: if ($num == $numver) { 2058: if ($htmldecode) { 2059: $text = &HTML::Entities::decode($text); 2060: } 2061: $$versions{$numver}=$text; 2062: $done = 1; 2063: } 2064: } else { 2065: if ($htmldecode) { 2066: $text = &HTML::Entities::decode($text); 2067: } 2068: $$versions{$num}=$text; 2069: } 2070: } 2071: } else { 2072: if (!defined($numver)) { 2073: $numver = 0; 2074: } 2075: if ($htmldecode) { 2076: $$versions{$numver} = $incoming; 2077: } else { 2078: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2079: } 2080: } 2081: return; 2082: } 2083: 2084: sub get_post_attachments { 2085: my ($attachments,$attachmenturls) = @_; 2086: my $num; 2087: if ($attachmenturls =~ m/^<attachment id="0">/) { 2088: my $p = HTML::LCParser->new(\$attachmenturls); 2089: while (my $token = $p->get_tag("attachment","filename","post")) { 2090: if ($token->[0] eq "attachment") { 2091: $num = $token->[1]{id}; 2092: %{$$attachments{$num}} =(); 2093: } elsif ($token->[0] eq "filename") { 2094: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2095: } elsif ($token->[0] eq "post") { 2096: my $id = $token->[1]{id}; 2097: $$attachments{$num}{$id} = $p->get_text("/post"); 2098: } 2099: } 2100: } else { 2101: %{$$attachments{'0'}} = (); 2102: $$attachments{'0'}{'filename'} = $attachmenturls; 2103: $$attachments{'0'}{'0'} = 'n'; 2104: } 2105: 2106: return; 2107: } 2108: 2109: sub fail_redirect { 2110: my ($r,$feedurl) = @_; 2111: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2112: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2113: my $html=&Apache::lonxml::xmlbegin(); 2114: $r->print (<<ENDFAILREDIR); 2115: $html 2116: <head> 2117: <title>Feedback not sent</title> 2118: <meta http-equiv="pragma" content="no-cache" /> 2119: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2120: </head> 2121: <body bgcolor="#FFFFFF"> 2122: <img align="right" src="$logo" /> 2123: <b>Sorry, no recipients ...</b> 2124: <br /><a href="$feedurl">Continue</a> 2125: </body> 2126: </html> 2127: ENDFAILREDIR 2128: } 2129: 2130: sub redirect_back { 2131: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$numpicks) = @_; 2132: my $sorttag = ''; 2133: my $roletag = ''; 2134: my $statustag = ''; 2135: my $sectag = ''; 2136: my $userpicktag = ''; 2137: my $qrystr = ''; 2138: my $prevtag = ''; 2139: 2140: &Apache::loncommon::content_type($r,'text/html'); 2141: $r->send_http_header; 2142: 2143: &dewrapper(\$feedurl); 2144: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2145: if ($previous > 0) { 2146: $qrystr = 'previous='.$previous; 2147: if ($feedurl =~ /\?register=1/) { 2148: $feedurl .= '&'.$qrystr; 2149: } else { 2150: $feedurl .= '?'.$qrystr; 2151: } 2152: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2153: } 2154: if (defined($sort)) { 2155: my $sortqry = 'sortposts='.$sort; 2156: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2157: $feedurl .= '&'.$sortqry; 2158: } else { 2159: $feedurl .= '?'.$sortqry; 2160: } 2161: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2162: if (defined($numpicks)) { 2163: my $userpickqry = 'totposters='.$numpicks; 2164: $feedurl .= '&'.$userpickqry; 2165: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2166: } else { 2167: if (ref($sectionpick) eq 'ARRAY') { 2168: $feedurl .= '&sectionpick='; 2169: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2170: foreach (@{$sectionpick}) { 2171: $feedurl .= $_.','; 2172: $sectag .= $_.','; 2173: } 2174: $feedurl =~ s/,$//; 2175: $sectag =~ s/,$//; 2176: $sectag .= '" />'; 2177: } else { 2178: $feedurl .= '&sectionpick='.$sectionpick; 2179: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2180: } 2181: if (ref($rolefilter) eq 'ARRAY') { 2182: $feedurl .= '&rolefilter='; 2183: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2184: foreach (@{$rolefilter}) { 2185: $feedurl .= $_.','; 2186: $roletag .= $_.','; 2187: } 2188: $feedurl =~ s/,$//; 2189: $roletag =~ s/,$//; 2190: $roletag .= '" />'; 2191: } else { 2192: $feedurl .= '&rolefilter='.$rolefilter; 2193: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2194: } 2195: $feedurl .= '&statusfilter='.$statusfilter; 2196: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2197: } 2198: } 2199: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2200: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2201: my $html=&Apache::lonxml::xmlbegin(); 2202: $r->print (<<ENDREDIR); 2203: $html 2204: <head> 2205: <title>Feedback sent</title> 2206: <meta http-equiv="pragma" content="no-cache" /> 2207: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 2208: </head> 2209: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 2210: <img align="right" src="$logo" /> 2211: $typestyle 2212: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2213: <font color="red">$status</font> 2214: <form name="reldt" action="$feedurl" target="loncapaclient"> 2215: $prevtag 2216: $sorttag 2217: $statustag 2218: $roletag 2219: $sectag 2220: $userpicktag 2221: </form> 2222: <br /><a href="$feedurl">Continue</a> 2223: </body> 2224: </html> 2225: ENDREDIR 2226: } 2227: 2228: sub no_redirect_back { 2229: my ($r,$feedurl) = @_; 2230: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2231: my $continue=&mt('Continue'); 2232: my $html=&Apache::lonxml::xmlbegin(); 2233: $r->print (<<ENDNOREDIR); 2234: $html 2235: <head> 2236: <title>Feedback not sent</title> 2237: <meta http-equiv="pragma" content="no-cache" /> 2238: ENDNOREDIR 2239: 2240: if ($feedurl!~/^\/adm\/feedback/) { 2241: $r->print('<meta HTTP-EQUIV="Refresh" CONTENT="2; url='. 2242: &Apache::lonenc::check_encrypt($feedurl).'">'); 2243: } 2244: $feedurl=&Apache::lonenc::check_encrypt($feedurl); 2245: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2246: $r->print (<<ENDNOREDIRTWO); 2247: </head> 2248: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { self.close(); }'> 2249: <img align="right" src="$logo" /> 2250: <b>$nofeed</b> 2251: <br /><a href="$feedurl">$continue</a> 2252: </body> 2253: </html> 2254: ENDNOREDIRTWO 2255: } 2256: 2257: sub screen_header { 2258: my ($feedurl,$symb) = @_; 2259: my $msgoptions=''; 2260: my $discussoptions=''; 2261: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2262: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2263: $msgoptions= 2264: '<p><label><input type="checkbox" name="author" /> '. 2265: &mt('Feedback to resource author').'</label></p>'; 2266: } 2267: if (&feedback_available(1)) { 2268: $msgoptions.= 2269: '<p><label><input type="checkbox" name="question" /> '. 2270: &mt('Question about resource content').'</label></p>'; 2271: } 2272: if (&feedback_available(0,1)) { 2273: $msgoptions.= 2274: '<p><label><input type="checkbox" name="course" /> '. 2275: &mt('Question/Comment/Feedback about course content'). 2276: '</label></p>'; 2277: } 2278: if (&feedback_available(0,0,1)) { 2279: $msgoptions.= 2280: '<p><label><input type="checkbox" name="policy" /> '. 2281: &mt('Question/Comment/Feedback about course policy'). 2282: '</label></p>'; 2283: } 2284: } 2285: if ($env{'request.course.id'}) { 2286: if (&discussion_open(undef,$symb) && 2287: &Apache::lonnet::allowed('pch', 2288: $env{'request.course.id'}. 2289: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2290: $discussoptions='<label><input type="checkbox" name="discuss" onClick="this.form.anondiscuss.checked=false;" '. 2291: ($env{'form.replydisc'}?' checked="1"':'').' /> '. 2292: &mt('Contribution to course discussion of resource'); 2293: $discussoptions.='</label><br /><label><input type="checkbox" name="anondiscuss" onClick="this.form.discuss.checked=false;" /> '. 2294: &mt('Anonymous contribution to course discussion of resource'). 2295: ' <i>('.&mt('name only visible to course faculty').')</i></label>'; 2296: } 2297: } 2298: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2299: if ($discussoptions) { 2300: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2301: return $msgoptions.$discussoptions; 2302: } 2303: 2304: sub resource_output { 2305: my ($feedurl) = @_; 2306: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2307: $usersaw=~s/\<body[^\>]*\>//gi; 2308: $usersaw=~s/\<\/body\>//gi; 2309: $usersaw=~s/\<html\>//gi; 2310: $usersaw=~s/\<\/html\>//gi; 2311: $usersaw=~s/\<head\>//gi; 2312: $usersaw=~s/\<\/head\>//gi; 2313: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2314: return $usersaw; 2315: } 2316: 2317: sub clear_out_html { 2318: my ($message,$override)=@_; 2319: unless (&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2320: # Always allow the <m>-tag 2321: my %html=(M=>1); 2322: # Check if more is allowed 2323: my $cid=$env{'request.course.id'}; 2324: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2325: ($override)) { 2326: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2327: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2328: # <SUP> 2329: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2330: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2331: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2332: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2333: } 2334: # Do the substitution of everything that is not explicitly allowed 2335: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2336: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2337: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2338: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2339: return $message; 2340: } 2341: 2342: sub assemble_email { 2343: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_; 2344: my $email=<<"ENDEMAIL"; 2345: $message 2346: ENDEMAIL 2347: my $citations=<<"ENDCITE"; 2348: <h2>Previous attempts of student (if applicable)</h2> 2349: $prevattempts 2350: <br /><hr /> 2351: <h2>Original screen output (if applicable)</h2> 2352: $usersaw 2353: <h2>Correct Answer(s) (if applicable)</h2> 2354: $useranswer 2355: ENDCITE 2356: return ($email,$citations); 2357: } 2358: 2359: sub secapply { 2360: my $rec=shift; 2361: my $defaultflag=shift; 2362: $rec=~s/\s+//g; 2363: $rec=~s/\@/\:/g; 2364: my ($adr,$sections)=($rec=~/^([^$]+)\(([^$]+)\)/); 2365: if ($sections) { 2366: foreach (split(/\;/,$sections)) { 2367: if (($_ eq $env{'request.course.sec'}) || 2368: ($defaultflag && ($_ eq '*'))) { 2369: return $adr; 2370: } 2371: } 2372: } else { 2373: return $rec; 2374: } 2375: return ''; 2376: } 2377: 2378: =pod 2379: 2380: =over 4 2381: 2382: =item * 2383: 2384: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag); 2385: 2386: Arguments 2387: $feedurl - /res/ url of resource (only need if $author is true) 2388: $author,$question,$course,$policy - all true/false parameters 2389: if true will attempt to find the addresses of user that should receive 2390: this type of feedback (author - feedback to author of resource $feedurl, 2391: $question 'Resource Content Questions', $course 'Course Content Question', 2392: $policy 'Course Policy') 2393: (Additionally it also checks $env for whether the corresponding form.<name> 2394: element exists, for ease of use in a html response context) 2395: 2396: $defaultflag - (internal should be left blank) if true gather addresses 2397: that aren't for a section even if I have a section 2398: (used for reccursion internally, first we look for 2399: addresses for our specific section then we recurse 2400: and look for non section addresses) 2401: 2402: Returns 2403: $typestyle - string of html text, describing what addresses were found 2404: %to - a hash, which keys are addresses of users to send messages to 2405: the keys will look like name:domain 2406: 2407: =cut 2408: 2409: sub decide_receiver { 2410: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_; 2411: my $typestyle=''; 2412: my %to=(); 2413: if ($env{'form.author'}||$author) { 2414: $typestyle.='Submitting as Author Feedback<br />'; 2415: $feedurl=~/^\/res\/(\w+)\/(\w+)\//; 2416: $to{$2.':'.$1}=1; 2417: } 2418: if ($env{'form.question'}||$question) { 2419: $typestyle.='Submitting as Question<br />'; 2420: foreach (split(/\,/, 2421: $env{'course.'.$env{'request.course.id'}.'.question.email'}) 2422: ) { 2423: my $rec=&secapply($_,$defaultflag); 2424: if ($rec) { $to{$rec}=1; } 2425: } 2426: } 2427: if ($env{'form.course'}||$course) { 2428: $typestyle.='Submitting as Comment<br />'; 2429: foreach (split(/\,/, 2430: $env{'course.'.$env{'request.course.id'}.'.comment.email'}) 2431: ) { 2432: my $rec=&secapply($_,$defaultflag); 2433: if ($rec) { $to{$rec}=1; } 2434: } 2435: } 2436: if ($env{'form.policy'}||$policy) { 2437: $typestyle.='Submitting as Policy Feedback<br />'; 2438: foreach (split(/\,/, 2439: $env{'course.'.$env{'request.course.id'}.'.policy.email'}) 2440: ) { 2441: my $rec=&secapply($_,$defaultflag); 2442: if ($rec) { $to{$rec}=1; } 2443: } 2444: } 2445: if ((scalar(%to) eq '0') && (!$defaultflag)) { 2446: ($typestyle,%to)= 2447: &decide_receiver($feedurl,$author,$question,$course,$policy,1); 2448: } 2449: return ($typestyle,%to); 2450: } 2451: 2452: sub feedback_available { 2453: my ($question,$course,$policy)=@_; 2454: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy); 2455: return scalar(%to); 2456: } 2457: 2458: sub send_msg { 2459: my ($feedurl,$email,$citations,$attachmenturl,%to)=@_; 2460: my $status=''; 2461: my $sendsomething=0; 2462: foreach (keys %to) { 2463: if ($_) { 2464: my $declutter=&Apache::lonnet::declutter($feedurl); 2465: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$_), 2466: 'Feedback ['.$declutter.']',$email,$citations,$feedurl, 2467: $attachmenturl)=~/ok/) { 2468: $status.='<br />'.&mt('Error sending message to').' '.$_.'<br />'; 2469: } else { 2470: $sendsomething++; 2471: } 2472: } 2473: } 2474: 2475: my %record=&Apache::lonnet::restore('_feedback'); 2476: my ($temp)=keys %record; 2477: unless ($temp=~/^error\:/) { 2478: my %newrecord=(); 2479: $newrecord{'resource'}=$feedurl; 2480: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2481: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2482: $status.='<br />'.&mt('Not registered').'<br />'; 2483: } 2484: } 2485: 2486: return ($status,$sendsomething); 2487: } 2488: 2489: sub adddiscuss { 2490: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2491: my $status=''; 2492: my $realsymb; 2493: if ($symb=~/^bulletin___/) { 2494: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2495: $filename=~s|^adm/wrapper/||; 2496: $realsymb=&Apache::lonnet::symbread($filename); 2497: } 2498: if (&discussion_open(undef,$realsymb) && 2499: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2500: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2501: 2502: my %contrib=('message' => $email, 2503: 'sendername' => $env{'user.name'}, 2504: 'senderdomain' => $env{'user.domain'}, 2505: 'screenname' => $env{'environment.screenname'}, 2506: 'plainname' => $env{'environment.firstname'}.' '. 2507: $env{'environment.middlename'}.' '. 2508: $env{'environment.lastname'}.' '. 2509: $env{'enrironment.generation'}, 2510: 'attachmenturl'=> $attachmenturl, 2511: 'subject' => $subject); 2512: if ($env{'form.replydisc'}) { 2513: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2514: } 2515: if ($anon) { 2516: $contrib{'anonymous'}='true'; 2517: } 2518: if (($symb) && ($email)) { 2519: if ($env{'form.editdisc'}) { 2520: my %newcontrib = (); 2521: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2522: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2523: $contrib{'timestamp'} = time; 2524: $contrib{'history'} = ''; 2525: my $numoldver = 0; 2526: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2527: &Apache::lonenc::check_decrypt(\$oldsymb); 2528: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2529: # get timestamp for last post and history 2530: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2531: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2532: $env{'course.'.$env{'request.course.id'}.'.num'}); 2533: if (defined($oldcontrib{$oldidx.':replyto'})) { 2534: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2535: } 2536: if (defined($oldcontrib{$oldidx.':history'})) { 2537: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2538: my @oldversions = split/:/,$oldcontrib{$oldidx.':history'}; 2539: $numoldver = @oldversions; 2540: } else { 2541: $numoldver = 1; 2542: } 2543: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2544: } 2545: my $numnewver = $numoldver + 1; 2546: if (defined($oldcontrib{$oldidx.':subject'})) { 2547: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2548: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2549: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2550: } else { 2551: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2552: } 2553: } 2554: if (defined($oldcontrib{$oldidx.':message'})) { 2555: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2556: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2557: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2558: } else { 2559: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2560: } 2561: } 2562: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2563: foreach (keys %contrib) { 2564: my $key = $oldidx.':'.&Apache::lonnet::escape($oldsymb).':'.$_; 2565: $newcontrib{$key} = $contrib{$_}; 2566: } 2567: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2568: \%newcontrib, 2569: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2570: $env{'course.'.$env{'request.course.id'}.'.num'}); 2571: $status='Editing class discussion'.($anon?' (anonymous)':''); 2572: } else { 2573: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2574: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2575: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2576: $env{'course.'.$env{'request.course.id'}.'.num'}); 2577: } 2578: my %storenewentry=($symb => time); 2579: $status.='<br />'.&mt('Updating discussion time').': '. 2580: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2581: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2582: $env{'course.'.$env{'request.course.id'}.'.num'}); 2583: } 2584: my %record=&Apache::lonnet::restore('_discussion'); 2585: my ($temp)=keys %record; 2586: unless ($temp=~/^error\:/) { 2587: my %newrecord=(); 2588: $newrecord{'resource'}=$symb; 2589: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2590: $status.='<br />'.&mt('Registering').': '. 2591: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2592: } 2593: } else { 2594: $status.='Failed.'; 2595: } 2596: return $status.'<br />'; 2597: } 2598: 2599: # ----------------------------------------------------------- Preview function 2600: 2601: sub show_preview { 2602: my $r=shift; 2603: &Apache::loncommon::content_type($r,'text/html'); 2604: $r->send_http_header; 2605: my $message=&clear_out_html($env{'form.comment'}); 2606: &newline_to_br(\$message); 2607: $message=&Apache::lonspeller::markeduptext($message); 2608: $message=&Apache::lontexconvert::msgtexconverted($message); 2609: my $subject=&clear_out_html($env{'form.subject'}); 2610: $subject=~s/\n/\<br \/\>/g; 2611: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2612: my $html=&Apache::lonxml::xmlbegin(); 2613: $r->print($html.'<head>'. 2614: '</head><body><table border="2"><tr><td>'. 2615: '<b>Subject:</b> '.$subject.'<br /><br />'. 2616: $message.'</td></tr></table></body></html>'); 2617: } 2618: 2619: 2620: sub newline_to_br { 2621: my ($message)=@_; 2622: my $newmessage; 2623: my $parser=HTML::LCParser->new($message); 2624: while (my $token=$parser->get_token()) { 2625: if ($token->[0] eq 'T') { 2626: my $text=$token->[1]; 2627: $text=~s/\n/\<br \/\>/g; 2628: $newmessage.=$text; 2629: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2630: $newmessage.=$token->[1]; 2631: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2632: $newmessage.=$token->[2]; 2633: } elsif ($token->[0] eq 'S') { 2634: $newmessage.=$token->[4]; 2635: } 2636: 2637: } 2638: $$message=$newmessage; 2639: } 2640: 2641: sub generate_preview_button { 2642: my $pre=&mt("Show Preview and Check Spelling"); 2643: return(<<ENDPREVIEW); 2644: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2645: <input type="hidden" name="subject"> 2646: <input type="hidden" name="comment" /> 2647: <input type="button" value="$pre" 2648: onClick="if (typeof(document.mailform.onsubmit)=='function') {document.mailform.onsubmit();};this.form.comment.value=document.mailform.comment.value;this.form.subject.value=document.mailform.subject.value;this.form.submit();" /> 2649: </form> 2650: ENDPREVIEW 2651: } 2652: 2653: sub modify_attachments { 2654: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_; 2655: my $orig_subject = &Apache::lonnet::unescape($env{'form.subject'}); 2656: my $subject=&clear_out_html($orig_subject); 2657: $subject=~s/\n/\<br \/\>/g; 2658: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2659: my $timestamp=$env{'form.timestamp'}; 2660: my $numoldver=$env{'form.numoldver'}; 2661: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Attachments', 2662: '',''); 2663: my $msg = ''; 2664: my %attachments = (); 2665: my %currattach = (); 2666: if ($idx) { 2667: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2668: } 2669: &Apache::lonenc::check_encrypt(\$symb); 2670: my $html=&Apache::lonxml::xmlbegin(); 2671: $r->print(<<END); 2672: $html 2673: <head> 2674: <title>Managing Attachments</title> 2675: <script> 2676: function setAction () { 2677: document.modattachments.action = document.modattachments.origpage.value; 2678: document.modattachments.submit(); 2679: } 2680: </script> 2681: </head> 2682: $bodytag 2683: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2684: <table border="2"> 2685: <tr> 2686: <td> 2687: <b>Subject:</b> $subject</b><br /><br /> 2688: END 2689: if ($idx) { 2690: if ($attachmenturls) { 2691: my @currold = keys %currattach; 2692: if (@currold > 0) { 2693: $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"); 2694: foreach my $id (@currold) { 2695: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 2696: $attachurl =~ m#/([^/]+)$#; 2697: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 2698: } 2699: $r->print("<br />"); 2700: } 2701: } 2702: } 2703: if (@{$currnewattach} > 0) { 2704: $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"); 2705: foreach (@{$currnewattach}) { 2706: $_ =~ m#/([^/]+)$#; 2707: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$_.'" /> '.$1.'</label><br />'."\n"); 2708: } 2709: $r->print("<br />"); 2710: } 2711: $r->print(<<END); 2712: Add a new attachment to this post. <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 2713: </td> 2714: </tr> 2715: </table> 2716: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 2717: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 2718: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 2719: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 2720: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 2721: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 2722: <input type="hidden" name="anondiscuss" value="$env{'form.anondiscuss'}" /> 2723: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 2724: END 2725: foreach (@{$currnewattach}) { 2726: $r->print('<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"); 2727: } 2728: foreach (@{$currdelold}) { 2729: $r->print('<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"); 2730: } 2731: $r->print(<<END); 2732: <input type="button" name="rtntoedit" value="Store Changes" onClick="setAction()"/> 2733: </form> 2734: </body> 2735: </html> 2736: END 2737: return; 2738: } 2739: 2740: sub process_attachments { 2741: my ($currnewattach,$currdelold,$keepold) = @_; 2742: 2743: @{$currnewattach}= 2744: &Apache::loncommon::get_env_multiple('form.currnewattach'); 2745: @{$currdelold}= 2746: &Apache::loncommon::get_env_multiple('form.deloldattach'); 2747: if (exists($env{'form.delnewattach'})) { 2748: my @currdelnew = 2749: &Apache::loncommon::get_env_multiple('form.delnewattach'); 2750: my @currnew = (); 2751: foreach my $newone (@{$currnewattach}) { 2752: my $delflag = 0; 2753: foreach (@currdelnew) { 2754: if ($newone eq $_) { 2755: $delflag = 1; 2756: last; 2757: } 2758: } 2759: unless ($delflag) { 2760: push @currnew, $newone; 2761: } 2762: } 2763: @{$currnewattach} = @currnew; 2764: } 2765: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 2766: } 2767: 2768: sub generate_attachments_button { 2769: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach,$numoldver,$mode) = @_; 2770: my $origpage = $ENV{'REQUEST_URI'}; 2771: my $att=$attachnum.' '.&mt("attachments"); 2772: my $response = (<<END); 2773: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 2774: Click to add/remove attachments: <input type="button" value="$att" 2775: 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); 2776: END 2777: unless ($mode eq 'board') { 2778: $response .= 'javascript:anonchk();'; 2779: } 2780: $response .= (<<ENDATTACH); 2781: this.form.submit();" /> 2782: <input type="hidden" name="origpage" value="$origpage" /> 2783: <input type="hidden" name="idx" value="$idx" /> 2784: <input type="hidden" name="timestamp" value="$now" /> 2785: <input type="hidden" name="subject" /> 2786: <input type="hidden" name="comment" /> 2787: <input type="hidden" name="anondiscuss" value = "0" /> 2788: <input type="hidden" name="discuss" value = "0" /> 2789: <input type="hidden" name="numoldver" value="$numoldver" /> 2790: ENDATTACH 2791: if (defined($deloldattach)) { 2792: if (@{$deloldattach} > 0) { 2793: foreach (@{$deloldattach}) { 2794: $response .= '<input type="hidden" name="deloldattach" value="'.$_.'" />'."\n"; 2795: } 2796: } 2797: } 2798: if (defined($currnewattach)) { 2799: if (@{$currnewattach} > 0) { 2800: foreach (@{$currnewattach}) { 2801: $response .= '<input type="hidden" name="currnewattach" value="'.$_.'" />'."\n"; 2802: } 2803: } 2804: } 2805: $response .= '</form>'; 2806: return $response; 2807: } 2808: 2809: sub extract_attachments { 2810: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 2811: %{$attachments}=(); 2812: &get_post_attachments($attachments,$attachmenturls); 2813: foreach my $id (sort keys %{$attachments}) { 2814: if (exists($$attachments{$id}{$numoldver})) { 2815: if (defined($currdelold)) { 2816: if (@{$currdelold} > 0) { 2817: unless (grep/^$id$/,@{$currdelold}) { 2818: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2819: } 2820: } else { 2821: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2822: } 2823: } else { 2824: $$currattach{$id} = $$attachments{$id}{$numoldver}; 2825: } 2826: } 2827: } 2828: my @attached = (sort { $a <=> $b } keys %{$currattach}); 2829: if (@attached == 1) { 2830: my $id = $attached[0]; 2831: my $attachurl; 2832: if ($attachmenturls =~ m/^<attachment id="0">/) { 2833: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2834: } else { 2835: $attachurl = $$attachments{$id}{'filename'}; 2836: } 2837: $attachurl=~m|/([^/]+)$|; 2838: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 2839: $1.'</tt></a><br />'; 2840: &Apache::lonnet::allowuploaded('/adm/feedback', 2841: $attachurl); 2842: } elsif (@attached > 1) { 2843: $$message.='<ol>'; 2844: foreach (@attached) { 2845: my $id = $_; 2846: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 2847: my ($fname) 2848: =($attachurl=~m|/([^/]+)$|); 2849: $$message .= '<li><a href="'.$attachurl. 2850: '"><tt>'. 2851: $fname.'</tt></a></li>'; 2852: &Apache::lonnet::allowuploaded('/adm/feedback', 2853: $attachurl); 2854: } 2855: $$message .= '</ol>'; 2856: } 2857: } 2858: 2859: sub construct_attachmenturl { 2860: my ($currnewattach,$keepold,$symb,$idx)=@_; 2861: my $oldattachmenturl; 2862: my $newattachmenturl; 2863: my $startnum = 0; 2864: my $currver = 0; 2865: if (($env{'form.editdisc'}) && ($idx)) { 2866: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2867: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2868: $env{'course.'.$env{'request.course.id'}.'.num'}); 2869: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 2870: if ($contrib{$idx.':history'}) { 2871: if ($contrib{$idx.':history'} =~ /:/) { 2872: my @oldversions = split/:/,$contrib{$idx.':history'}; 2873: $currver = 1 + scalar(@oldversions); 2874: } else { 2875: $currver = 2; 2876: } 2877: } else { 2878: $currver = 1; 2879: } 2880: if ($oldattachmenturl) { 2881: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 2882: my %attachments = (); 2883: my $prevver = $currver-1; 2884: &get_post_attachments(\%attachments,$oldattachmenturl); 2885: my $numattach = scalar(keys %attachments); 2886: $startnum += $numattach; 2887: foreach my $num (sort {$a <=> $b} keys %attachments) { 2888: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 2889: foreach $_ (sort {$a <=> $b} keys %{$attachments{$num}}) { 2890: unless ($_ eq 'filename') { 2891: $newattachmenturl .= '<post id="'.$_.'">'.$attachments{$num}{$_}.'</post>'; 2892: } 2893: } 2894: if (grep/^$num$/,@{$keepold}) { 2895: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 2896: } 2897: $newattachmenturl .= '</attachment>'; 2898: } 2899: } else { 2900: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 2901: unless (grep/^0$/,@{$keepold}) { 2902: $newattachmenturl .= '<post id="1">n</post>'; 2903: } 2904: $newattachmenturl .= '</attachment>'; 2905: $startnum ++; 2906: } 2907: } 2908: } 2909: for (my $i=0; $i<@{$currnewattach}; $i++) { 2910: my $attachnum = $startnum + $i; 2911: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 2912: } 2913: return $newattachmenturl; 2914: } 2915: 2916: sub has_discussion { 2917: my $resourcesref = shift; 2918: my $navmap = Apache::lonnavmaps::navmap->new(); 2919: my @allres=$navmap->retrieveResources(); 2920: foreach my $resource (@allres) { 2921: if ($resource->hasDiscussion()) { 2922: my $ressymb = $resource->wrap_symb(); 2923: push @{$resourcesref}, $ressymb; 2924: } 2925: } 2926: return; 2927: } 2928: 2929: sub sort_filter_names { 2930: my ($sort_types,$role_types,$status_types) = @_; 2931: %{$sort_types} = ( 2932: ascdate => 'Date order - oldest first', 2933: descdate => 'Date order - newest first', 2934: thread => 'Threaded', 2935: subject => 'By subject', 2936: username => 'By domain and username', 2937: lastfirst => 'By last name, first name' 2938: ); 2939: %{$role_types} = ( 2940: all => 'All roles', 2941: st => 'Students', 2942: cc => 'Course Coordinators', 2943: in => 'Instructors', 2944: ta => 'TAs', 2945: ep => 'Exam proctors', 2946: ad => 'Administrators', 2947: cr => 'Custom roles' 2948: ); 2949: %{$status_types} = ( 2950: all => 'Roles of any status', 2951: Active => 'Only active roles', 2952: Expired => 'Only inactive roles' 2953: ); 2954: } 2955: 2956: sub handler { 2957: my $r = shift; 2958: if ($r->header_only) { 2959: &Apache::loncommon::content_type($r,'text/html'); 2960: $r->send_http_header; 2961: return OK; 2962: } 2963: 2964: # --------------------------- Get query string for limited number of parameters 2965: 2966: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 2967: ['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']); 2968: 2969: if ($env{'form.discsymb'}) { 2970: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 2971: my $readkey = $symb.'_read'; 2972: my $chgcount = 0; 2973: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 2974: foreach my $key (keys %env) { 2975: if ($key =~ m/^form\.postunread_(\d+)/) { 2976: if ($readinghash{$readkey} =~ /\.$1\./) { 2977: $readinghash{$readkey} =~ s/\.$1\.//; 2978: $chgcount ++; 2979: } 2980: } elsif ($key =~ m/^form\.postread_(\d+)/) { 2981: unless ($readinghash{$readkey} =~ /\.$1\./) { 2982: $readinghash{$readkey} .= '.'.$1.'.'; 2983: $chgcount ++; 2984: } 2985: } 2986: } 2987: if ($chgcount > 0) { 2988: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 2989: \%readinghash,$env{'user.domain'},$env{'user.name'}); 2990: } 2991: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 2992: '0','0','',$env{'form.previous'},'','','',); 2993: return OK; 2994: } 2995: if ($env{'form.allversions'}) { 2996: &Apache::loncommon::content_type($r,'text/html'); 2997: $r->send_http_header; 2998: my $html=&Apache::lonxml::xmlbegin(); 2999: my $bodytag=&Apache::loncommon::bodytag('Discussion Post Versions'); 3000: $r->print(<<END); 3001: $html 3002: <head> 3003: <title>Post Versions</title> 3004: <meta http-equiv="pragma" content="no-cache" /> 3005: </head> 3006: $bodytag 3007: END 3008: my $crs='/'.$env{'request.course.id'}; 3009: if ($env{'request.course.sec'}) { 3010: $crs.='_'.$env{'request.course.sec'}; 3011: } 3012: $crs=~s|_|/|g; 3013: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3014: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3015: ($symb)=&get_feedurl_and_clean_symb($symb); 3016: if ($idx > 0) { 3017: my %messages = (); 3018: my %subjects = (); 3019: my %attachmsgs = (); 3020: my %allattachments = (); 3021: my %imsfiles = (); 3022: my ($screenname,$plainname); 3023: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3024: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3025: $env{'course.'.$env{'request.course.id'}.'.num'}); 3026: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3027: } 3028: return OK; 3029: } 3030: if ($env{'form.posterlist'}) { 3031: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3032: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3033: $env{'form.sortposts'}); 3034: return OK; 3035: } 3036: if ($env{'form.userpick'}) { 3037: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3038: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3039: my $numpicks = @posters; 3040: my %discinfo; 3041: $discinfo{$symb.'_userpick'} = join('&',@posters); 3042: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3043: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3044: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0', 3045: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3046: $numpicks); 3047: return OK; 3048: } 3049: if ($env{'form.applysort'}) { 3050: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3051: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0', 3052: '',$env{'form.previous'},$env{'form.sortposts'}, 3053: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3054: $env{'form.sectionpick'}); 3055: return OK; 3056: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3057: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3058: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3059: return OK; 3060: } elsif ($env{'form.navtime'}) { 3061: my %discinfo = (); 3062: my @resources = (); 3063: if (defined($env{'form.navmaps'})) { 3064: if ($env{'form.navmaps'} =~ /:/) { 3065: @resources = split/:/,$env{'form.navmaps'}; 3066: } else { 3067: @resources = ("$env{'form.navmaps'}"); 3068: } 3069: } else { 3070: &has_discussion(\@resources); 3071: } 3072: my $numitems = @resources; 3073: my $feedurl = '/adm/navmaps'; 3074: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3075: my %lt = &Apache::lonlocal::texthash( 3076: 'mnpa' => 'Marked "New" posts as read in a total of', 3077: 'robb' => 'resources/bulletin boards.', 3078: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.' 3079: ); 3080: foreach (@resources) { 3081: my $ressymb=$_; 3082: &Apache::lonenc::check_decrypt(\$ressymb); 3083: my $lastkey = $ressymb.'_lastread'; 3084: $discinfo{$lastkey} = $env{'form.navtime'}; 3085: } 3086: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3087: if ($numitems > 0) { 3088: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3089: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3090: } else { 3091: $textline = "<b>$lt{'twnp'}</b>"; 3092: } 3093: &Apache::loncommon::content_type($r,'text/html'); 3094: $r->send_http_header; 3095: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3096: my $html=&Apache::lonxml::xmlbegin(); 3097: $r->print (<<ENDREDIR); 3098: $html 3099: <head> 3100: <title>New posts marked as read</title> 3101: <meta http-equiv="pragma" content="no-cache" /> 3102: <meta HTTP-EQUIV="Refresh" CONTENT="2; url=$feedurl" /> 3103: </head> 3104: <body bgcolor="#FFFFFF" onLoad='if (window.name!="loncapaclient") { this.document.reldt.submit(); self.close(); }'> 3105: <img align="right" src="$logo" /> 3106: $textline 3107: <form name="reldt" action="$feedurl" target="loncapaclient"> 3108: </form> 3109: <br /><a href="$feedurl">Continue</a> 3110: </body> 3111: </html> 3112: ENDREDIR 3113: return OK; 3114: } elsif ($env{'form.modifydisp'}) { 3115: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3116: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3117: split(/_/,$env{'form.changes'}); 3118: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3119: $dispchgB,$markchg,$toggchg,$feedurl); 3120: return OK; 3121: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3122: $env{'form.allposts'} || $env{'form.onlyunread'} || 3123: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3124: $env{'form.toggon'} || $env{'form.markread'}) { 3125: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3126: my %discinfo; 3127: # ------------------------ Modify setting for read/unread toggle for each post 3128: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3129: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3130: # --------- Modify setting for identification of 'NEW' posts in this discussion 3131: if ($env{'form.markondisp'}) { 3132: $discinfo{$symb.'_lastread'} = time; 3133: $discinfo{$symb.'_markondisp'} = 1; 3134: } 3135: if ($env{'form.markonread'}) { 3136: if ( $env{'form.previous'} > 0 ) { 3137: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3138: } 3139: $discinfo{$symb.'_markondisp'} = 0; 3140: } 3141: # --------------------------------- Modify display setting for this discussion 3142: if ($env{'form.allposts'}) { 3143: $discinfo{$symb.'_showonlyunread'} = 0; 3144: $discinfo{$symb.'_showonlyunmark'} = 0; 3145: } 3146: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3147: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3148: # ----------------------------------------------------- Mark new posts not NEW 3149: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3150: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3151: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3152: my $previous=$env{'form.previous'}; 3153: if ($env{'form.markondisp'}) { $previous=undef; } 3154: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3155: '0','0','',$previous); 3156: return OK; 3157: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3158: # ----------------------------------------------------------------- Hide/unhide 3159: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3160: my ($symb,$idx)=split(/\:\:\:/,$entry); 3161: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3162: 3163: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3164: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3165: $env{'course.'.$env{'request.course.id'}.'.num'}); 3166: 3167: my $currenthidden=$contrib{'hidden'}; 3168: my $currentstudenthidden=$contrib{'studenthidden'}; 3169: 3170: my $crs='/'.$env{'request.course.id'}; 3171: if ($env{'request.course.sec'}) { 3172: $crs.='_'.$env{'request.course.sec'}; 3173: } 3174: $crs=~s/\_/\//g; 3175: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3176: 3177: if ($env{'form.hide'}) { 3178: $currenthidden.='.'.$idx.'.'; 3179: unless ($seeid) { 3180: $currentstudenthidden.='.'.$idx.'.'; 3181: } 3182: } else { 3183: $currenthidden=~s/\.$idx\.//g; 3184: } 3185: my %newhash=('hidden' => $currenthidden); 3186: if ( ($env{'form.hide'}) && (!$seeid) ) { 3187: $newhash{'studenthidden'} = $currentstudenthidden; 3188: } 3189: 3190: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3191: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3192: $env{'course.'.$env{'request.course.id'}.'.num'}); 3193: 3194: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3195: '0','0','',$env{'form.previous'}); 3196: return OK; 3197: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3198: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3199: if ($env{'form.cmd'} eq 'threadedon') { 3200: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3201: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on'); 3202: } else { 3203: &Apache::lonnet::del('environment',['threadeddiscussion']); 3204: &Apache::lonnet::delenv('environment\.threadeddiscussion'); 3205: } 3206: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3207: '0','0','',$env{'form.previous'}); 3208: return OK; 3209: } elsif ($env{'form.deldisc'}) { 3210: # --------------------------------------------------------------- Hide for good 3211: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3212: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3213: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3214: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3215: $env{'course.'.$env{'request.course.id'}.'.num'}); 3216: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3217: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3218: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3219: $env{'course.'.$env{'request.course.id'}.'.num'}); 3220: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3221: '0','0','',$env{'form.previous'}); 3222: return OK; 3223: } elsif ($env{'form.preview'}) { 3224: # -------------------------------------------------------- User wants a preview 3225: &show_preview($r); 3226: return OK; 3227: } elsif ($env{'form.attach'}) { 3228: # -------------------------------------------------------- Work on attachments 3229: &Apache::loncommon::content_type($r,'text/html'); 3230: $r->send_http_header; 3231: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','anondiscuss','discuss']); 3232: my (@currnewattach,@currdelold,@keepold); 3233: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3234: if (exists($env{'form.addnewattach.filename'})) { 3235: unless (length($env{'form.addnewattach'})>131072) { 3236: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3237: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3238: push @currnewattach, $newattachment; 3239: } 3240: } 3241: my $attachmenturls; 3242: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3243: my $idx = $env{'form.idx'}; 3244: if ($idx) { 3245: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3246: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3247: $env{'course.'.$env{'request.course.id'}.'.num'}); 3248: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3249: } 3250: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3251: $attachmenturls); 3252: return OK; 3253: } elsif ($env{'form.export'}) { 3254: &Apache::loncommon::content_type($r,'text/html'); 3255: $r->send_http_header; 3256: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3257: my $mode='board'; 3258: my $status='OPEN'; 3259: my $previous=$env{'form.previous'}; 3260: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library)$/) { 3261: $mode='problem'; 3262: $status=$Apache::inputtags::status[-1]; 3263: } 3264: my $discussion = &list_discussion($mode,$status,$symb); 3265: my $bodytag=&Apache::loncommon::bodytag('Resource Feedback and Discussion'); 3266: $r->print($bodytag.$discussion); 3267: return OK; 3268: } else { 3269: # ------------------------------------------------------------- Normal feedback 3270: my $feedurl=$env{'form.postdata'}; 3271: $feedurl=~s/^http\:\/\///; 3272: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3273: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3274: $feedurl=~s/\?.+$//; 3275: 3276: my $symb; 3277: if ($env{'form.replydisc'}) { 3278: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3279: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3280: $feedurl=&Apache::lonnet::clutter($url); 3281: } elsif ($env{'form.editdisc'}) { 3282: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3283: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3284: $feedurl=&Apache::lonnet::clutter($url); 3285: } elsif ($env{'form.origpage'}) { 3286: $symb=""; 3287: } else { 3288: $symb=&Apache::lonnet::symbread($feedurl); 3289: } 3290: unless ($symb) { 3291: $symb=$env{'form.symb'}; 3292: if ($symb) { 3293: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3294: $feedurl=&Apache::lonnet::clutter($url); 3295: } 3296: } 3297: &Apache::lonenc::check_decrypt(\$symb); 3298: my $goahead=1; 3299: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form)$/) { 3300: unless ($symb) { $goahead=0; } 3301: } 3302: # backward compatibility (bulletin boards used to be 'wrapped') 3303: &dewrapper(\$feedurl); 3304: if (!$goahead) { 3305: # Ambiguous Problem Resource 3306: $r->internal_redirect('/adm/ambiguous'); 3307: return OK; 3308: } 3309: # Go ahead with feedback, no ambiguous reference 3310: unless ( 3311: ( 3312: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3313: ) 3314: || 3315: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3316: || 3317: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3318: ) { 3319: &Apache::loncommon::content_type($r,'text/html'); 3320: $r->send_http_header; 3321: # Unable to give feedback 3322: &no_redirect_back($r,$feedurl); 3323: } 3324: # --------------------------------------------------- Print login screen header 3325: unless ($env{'form.sendit'}) { 3326: &Apache::loncommon::content_type($r,'text/html'); 3327: $r->send_http_header; 3328: my $options=&screen_header($feedurl,$symb); 3329: if ($options) { 3330: &mail_screen($r,$feedurl,$options); 3331: } else { 3332: &fail_redirect($r,$feedurl); 3333: } 3334: return OK; 3335: } 3336: 3337: # Get previous user input 3338: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3339: $symb,$env{'user.name'},$env{'user.domain'}, 3340: $env{'request.course.id'}); 3341: 3342: # Get output from resource 3343: my $usersaw=&resource_output($feedurl); 3344: 3345: # Get resource answer (need to allow student to view grades for this to work) 3346: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 3347: my $useranswer=&Apache::loncommon::get_student_answers( 3348: $symb,$env{'user.name'},$env{'user.domain'}, 3349: $env{'request.course.id'}); 3350: &Apache::lonnet::delenv('allowed.vgr'); 3351: # Get attachments, if any, and not too large 3352: my $attachmenturl=''; 3353: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3354: ($env{'form.replydisc'})) { 3355: my ($symb,$idx); 3356: if ($env{'form.replydisc'}) { 3357: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3358: } elsif ($env{'form.editdisc'}) { 3359: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3360: } elsif ($env{'form.origpage'}) { 3361: $symb = $env{'form.symb'}; 3362: } 3363: &Apache::lonenc::check_decrypt(\$symb); 3364: my @currnewattach = (); 3365: my @deloldattach = (); 3366: my @keepold = (); 3367: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3368: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3369: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3370: } elsif ($env{'form.attachment.filename'}) { 3371: unless (length($env{'form.attachment'})>131072) { 3372: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback'); 3373: } 3374: } 3375: # Filter HTML out of message (could be nasty) 3376: my $message=&clear_out_html($env{'form.comment'}); 3377: 3378: # Assemble email 3379: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts, 3380: $usersaw,$useranswer); 3381: 3382: # Who gets this? 3383: my ($typestyle,%to) = &decide_receiver($feedurl); 3384: 3385: # Actually send mail 3386: my ($status,$numsent)=&send_msg($feedurl,$email,$citations, 3387: $attachmenturl,%to); 3388: 3389: # Discussion? Store that. 3390: 3391: my $numpost=0; 3392: if ($env{'form.discuss'} || $env{'form.anondiscuss'}) { 3393: my $subject = &clear_out_html($env{'form.subject'}); 3394: my $anonmode=(defined($env{'form.anondiscuss'})); 3395: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3396: $subject); 3397: $numpost++; 3398: } 3399: 3400: # Receipt screen and redirect back to where came from 3401: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$status,$env{'form.previous'}); 3402: } 3403: return OK; 3404: } 3405: 3406: sub wrap_symb { 3407: my ($ressymb)=@_; 3408: if ($ressymb =~ /bulletin___\d+___/) { 3409: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3410: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3411: } 3412: } 3413: return $ressymb; 3414: } 3415: sub dewrapper { 3416: my ($feedurl)=@_; 3417: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3418: $$feedurl=~s|^/adm/wrapper||; 3419: } 3420: } 3421: 3422: sub get_feedurl { 3423: my ($symb)=@_; 3424: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3425: my $feedurl = &Apache::lonnet::clutter($url); 3426: &dewrapper(\$feedurl); 3427: return $feedurl; 3428: } 3429: 3430: sub get_feedurl_and_clean_symb { 3431: my ($symb)=@_; 3432: &Apache::lonenc::check_decrypt(\$symb); 3433: # backward compatibility (bulletin boards used to be 'wrapped') 3434: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3435: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3436: } 3437: my $feedurl = &get_feedurl($symb); 3438: return ($symb,$feedurl); 3439: } 3440: 1; 3441: __END__