loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.297: download - view: text, annotated - select for diffs
Sat Aug 7 19:23:50 2010 UTC (13 years, 10 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

- Eliminate routines no longer needed following switch from FCKEditor 2 to CKEdi
tor 3
- Eliminate checking for environment.wysiwygeditor (no longer used).
- Access to "Richtext" editor available via link on each textarea for which it is
  to be made available.
- When editing an HTML document provide "Edit Math" button to allow
  insertion of TeX within the textarea. Button is hidden if Richtext editor in use.
- Additional tags permitted by clear_out_html() - <pre> and <chem>.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.297 2010/08/07 19:23:50 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: my $target=''; 285: 286: my $now = time; 287: $discinfo{$visitkey} = $visit; 288: 289: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 290: &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,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 291: 292: my $discussion=''; 293: my $manifestfile; 294: my $manifestok=0; 295: my $tempexport; 296: my $imsresources; 297: my $copyresult; 298: 299: my $function = &Apache::loncommon::get_users_function(); 300: my $color = &Apache::loncommon::designparm($function.'.tabbg', 301: $env{'user.domain'}); 302: my %lt = &Apache::lonlocal::texthash( 303: 'cuse' => 'Current discussion settings', 304: 'allposts' => 'All posts', 305: 'unread' => 'New posts only', 306: 'unmark' => 'Unread only', 307: 'ondisp' => 'Once displayed', 308: 'onmark' => 'Once marked not NEW', 309: 'toggoff' => 'Off', 310: 'toggon' => 'On', 311: 'disa' => 'Posts to be displayed', 312: 'npce' => 'Posts cease to be marked "NEW"', 313: 'epcb' => 'Each post can be toggled read/unread', 314: 'chgt' => 'Change', 315: 'disp' => 'Display', 316: 'nolo' => 'Not new', 317: 'togg' => 'Toggle read/unread', 318: 'aner' => 'An error occurred opening the manifest file.', 319: 'difo' => 'Discussion for', 320: 'aerr' => 'An error occurred opening the export file for posting', 321: 'aysu' => 'Are you sure you want to delete this post?', 322: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 323: 'bwco' => 'but will continue to be visible to your instructor', 324: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 325: 'discussions' => 'DISCUSSIONS' 326: ); 327: 328: my $currdisp = $lt{'allposts'}; 329: my $currmark = $lt{'onmark'}; 330: my $currtogg = $lt{'toggoff'}; 331: my $dispchange = $lt{'unread'}; 332: my $markchange = $lt{'ondisp'}; 333: my $toggchange = $lt{'toggon'}; 334: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 335: my $displinkA = 'onlyunread'; 336: my $displinkB = 'onlyunmark'; 337: my $marklink = 'markondisp'; 338: my $togglink = 'toggon'; 339: 340: if ($markondisp) { 341: $currmark = $lt{'ondisp'}; 342: $markchange = $lt{'onmark'}; 343: $marklink = 'markonread'; 344: } 345: 346: if ($showonlyunread) { 347: $currdisp = $lt{'unread'}; 348: $dispchange = $lt{'allposts'}; 349: $displinkA = 'allposts'; 350: } 351: 352: if ($showunmark) { 353: $currdisp = $lt{'unmark'}; 354: $dispchange = $lt{'unmark'}; 355: $displinkA='allposts'; 356: $displinkB='onlyunread'; 357: $showonlyunread = 0; 358: } 359: 360: if ($dischash{$toggkey}) { 361: $currtogg = $lt{'toggon'}; 362: $toggchange = $lt{'toggoff'}; 363: $togglink = 'toggoff'; 364: } 365: 366: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 367: 368: if ($newpostsflag) { 369: $chglink .= '&previous='.$prevread; 370: } 371: $chglink.=&group_args($group); 372: 373: if ($visible) { 374: # Print the discusssion 375: if ($outputtarget eq 'tex') { 376: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 377: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 378: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 379: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 380: } elsif ($outputtarget eq 'export') { 381: # Create temporary directory if this is an export 382: my $now = time; 383: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 384: $tempexport = $$imsextras{'tempexport'}; 385: if (!-e $tempexport) { 386: mkdir($tempexport,0700); 387: } 388: $tempexport .= '/'.$$imsextras{'count'}; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: } else { 393: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 394: if (!-e $tempexport) { 395: mkdir($tempexport,0700); 396: } 397: $tempexport .= '/'.$now; 398: if (!-e $tempexport) { 399: mkdir($tempexport,0700); 400: } 401: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 402: } 403: if (!-e $tempexport) { 404: mkdir($tempexport,0700); 405: } 406: # open manifest file 407: my $manifest = '/imsmanifest.xml'; 408: my $manifestfilename = $tempexport.$manifest; 409: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 410: $manifestok=1; 411: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 412: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 413: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 414: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 415: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 416: <organizations default="$ressymb"> 417: <organization identifier="$ressymb"> 418: <title>$lt{'difo'} $ressymb</title>\n|; 419: } else { 420: $discussion .= $lt{'aner'}.'<br />'; 421: } 422: } else { 423: my $colspan=$maxdepth+1; 424: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 425: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 426: var symbparm = symb+':::'+idx 427: var prevparm = "" 428: if (newflag == 1) { 429: prevparm = "&previous="+previous 430: } 431: if (caller == 'studentdelete') { 432: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 433: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 434: } 435: } else { 436: if (caller == 'seeiddelete') { 437: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 438: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 439: } 440: } 441: } 442: } 443: |); 444: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 445: "\n".'<table class="LC_discussion">'; 446: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 447: $newpostsflag,$group, 448: $prevread,$markondisp); 449: my $escsymb=&escape($ressymb); 450: my $numhidden = keys(%notshown); 451: if ($numhidden > 0) { 452: my $colspan = $maxdepth+1; 453: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 454: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 455: if ($newpostsflag) { 456: $discussion .= '&previous='.$prevread; 457: } 458: $discussion .= &group_args($group); 459: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 460: $numhidden.' '; 461: if ($showunmark) { 462: $discussion .= &mt('posts previously marked read'); 463: } else { 464: $discussion .= &mt('previously viewed posts'); 465: } 466: $discussion .= '<br/></td></tr>'; 467: } 468: } 469: 470: # Choose sort mechanism 471: my @showposts = (); 472: if ($sortposts eq 'descdate') { 473: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 474: } elsif ($sortposts eq 'thread') { 475: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 476: } elsif ($sortposts eq 'subject') { 477: foreach my $key (sort(keys(%subjectsort))) { 478: push(@showposts, @{$subjectsort{$key}}); 479: } 480: } elsif ($sortposts eq 'username') { 481: foreach my $domain (sort(keys(%usernamesort))) { 482: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 483: push(@showposts, @{$usernamesort{$domain}{$key}}); 484: } 485: } 486: } elsif ($sortposts eq 'lastfirst') { 487: foreach my $last (sort(keys(%namesort))) { 488: foreach my $key (sort(keys(%{$namesort{$last}}))) { 489: push(@showposts, @{$namesort{$last}{$key}}); 490: } 491: } 492: } else { 493: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 494: } 495: my $currdepth = 0; 496: my $firstidx = $alldiscussion{$showposts[0]}; 497: foreach my $post (@showposts) { 498: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 499: $alldiscussion{$post} = $post; 500: } 501: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 503: $discussion.="\n<tr>"; 504: } 505: my $thisdepth=$depth[$alldiscussion{$post}]; 506: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 507: for (1..$thisdepth) { 508: $discussion.='<td>   </td>'; 509: } 510: } 511: my $colspan=$maxdepth-$thisdepth+1; 512: if ($outputtarget eq 'tex') { 513: #cleanup block 514: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 515: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 516: my $threadinsert=''; 517: if ($thisdepth > 0) { 518: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 519: } 520: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 521: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 522: 523: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 524: $discussion.=$discussionitems[$alldiscussion{$post}]; 525: } elsif ($outputtarget eq 'export') { 526: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 527: if ($manifestok) { 528: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 529: print $manifestfile ' </item>'."\n"; 530: } 531: $currdepth = $depth[$alldiscussion{$post}]; 532: print $manifestfile "\n". 533: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 534: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 535: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 536: $imsresources .= "\n". 537: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 538: '<file href="'.$postfilename.'">'."\n". 539: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 540: '</resource>'; 541: } 542: my $postingfile; 543: my $postingfilename = $tempexport.'/'.$postfilename; 544: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 545: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 546: $imsitems{$alldiscussion{$post}}{'title'}.' '. 547: $imsitems{$alldiscussion{$post}}{'sender'}. 548: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 549: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 550: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 551: close($postingfile); 552: } else { 553: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 554: } 555: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 556: } else { 557: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 558: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 559: '</td></tr>'; 560: } 561: } 562: } 563: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 564: my $colspan=$maxdepth+1; 565: $discussion .= <<END; 566: <tr bgcolor="#FFFFFF"> 567: <td colspan="$colspan" class="LC_disc_action_links_bar"> 568: <table class="LC_disc_action_table"> 569: <tr> 570: <td align="left"> 571: <table border="0" cellpadding="0" cellspacing="4"> 572: <tr> 573: <td> 574: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 575: <td> </td> 576: <td><font size="-1"> 577: END 578: if ($newpostsflag) { 579: $discussion .= 580: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 581: if ($dischash{$toggkey}) { 582: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 583: } 584: } else { 585: if ($dischash{$toggkey}) { 586: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 587: } else { 588: $discussion .= 589: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 590: } 591: } 592: $discussion .= <<END; 593: </font></td> 594: <td> </td> 595: <td align="left"> 596: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 597: </td> 598: </tr> 599: </table> 600: </td> 601: END 602: if ($sortposts) { 603: my %sort_types = (); 604: my %role_types = (); 605: my %status_types = (); 606: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 607: 608: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 609: if (defined($env{'form.totposters'})) { 610: $discussion .= &mt('Posts by').':'; 611: if ($totposters > 0) { 612: foreach my $poster (@posters) { 613: $discussion .= ' '.$poster.','; 614: } 615: $discussion =~ s/,$//; 616: } else { 617: $discussion .= &mt('None selected'); 618: } 619: } else { 620: my $filterchoice =''; 621: if (@sectionpick > 0) { 622: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 623: $filterchoice .= '    '; 624: } 625: if (@grouppick > 0) { 626: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 627: $filterchoice .= '    '; 628: } 629: if (@rolefilter > 0) { 630: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 631: foreach my $role (@rolefilter) { 632: $filterchoice .= ' '.$role_types{$role}.','; 633: } 634: $filterchoice =~ s/,$//; 635: $filterchoice .= '<br />'.(' ' x8); 636: } 637: if ($statusfilter) { 638: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 639: } 640: if ($filterchoice) { 641: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 642: } 643: $discussion .= '</font></td>'; 644: } 645: } 646: if ($dischash{$toggkey}) { 647: my $storebutton = &mt('Save read/unread changes'); 648: $discussion.='<td align="right">'. 649: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 650: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 651: ' onclick="this.form.submit();" />'."\n". 652: '</td>'; 653: } 654: $discussion .= (<<END); 655: </tr> 656: </table> 657: </td> 658: </tr> 659: END 660: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 661: $newpostsflag,$group, 662: $prevread,$markondisp); 663: $discussion .= " 664: </table> 665: <br /><br /></form>\n"; 666: } 667: if ($outputtarget eq 'export') { 668: if ($manifestok) { 669: while ($currdepth > 0) { 670: print $manifestfile " </item>\n"; 671: $currdepth --; 672: } 673: print $manifestfile qq| 674: </organization> 675: </organizations> 676: <resources> 677: $imsresources 678: </resources> 679: </manifest> 680: |; 681: close($manifestfile); 682: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 683: $discussion = $copyresult; 684: } else { 685: 686: #Create zip file in prtspool 687: 688: my $imszipfile = '/prtspool/'. 689: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 690: time.'_'.rand(1000000000).'.zip'; 691: my $cwd = &getcwd(); 692: my $imszip = '/home/httpd/'.$imszipfile; 693: chdir $tempexport; 694: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 695: close(OUTPUT); 696: chdir $cwd; 697: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 698: if ($copyresult) { 699: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 700: } 701: } 702: } else { 703: $discussion .= '<br />'.&mt('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 />'; 704: } 705: return $discussion; 706: } 707: } 708: if ($discussiononly) { 709: my $now = time; 710: my $attachnum = 0; 711: my $currnewattach = []; 712: my $currdelold = []; 713: my $comment = ''; 714: my $subject = ''; 715: if ($env{'form.origpage'}) { 716: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 717: $subject = &unescape($env{'form.subject'}); 718: $comment = &unescape($env{'form.comment'}); 719: my @keepold = (); 720: &process_attachments($currnewattach,$currdelold,\@keepold); 721: if (@{$currnewattach} > 0) { 722: $attachnum += @{$currnewattach}; 723: } 724: } 725: if (&discussion_open($status)) { 726: if (($group ne '') && ($mode eq 'board')) { 727: if (&check_group_priv($group,'pgd') eq 'ok') { 728: $discussion .= 729: &postingform_display($mode,$ressymb,$now,$subject, 730: $comment,$outputtarget,$attachnum, 731: $currnewattach,$currdelold, 732: $group,$crstype); 733: } 734: } else { 735: $discussion.= 736: &postingform_display($mode,$ressymb,$now,$subject, 737: $comment,$outputtarget,$attachnum, 738: $currnewattach,$currdelold,'',$crstype); 739: } 740: } 741: } else { 742: $discussion.='<div class="LC_feedback_link">'; 743: if (&discussion_open($status) && 744: &Apache::lonnet::allowed('pch', 745: $env{'request.course.id'}. 746: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 747: if ($outputtarget ne 'tex') { 748: $discussion.= &send_feedback_link($ressymb,$target); 749: } 750: } else { 751: if ($outputtarget ne 'tex') { 752: $discussion.= &mt('This discussion is closed.'); 753: } 754: } 755: if ($outputtarget ne 'tex') { 756: $discussion.= &send_message_link($ressymb); 757: } 758: $discussion.='</div>'; 759: } 760: return $discussion; 761: } 762: 763: sub send_feedback_link { 764: my ($ressymb,$target) = @_; 765: my $output = '<span class="LC_feedback_link">'. 766: ' <a href="/adm/feedback?replydisc='. 767: &escape($ressymb).':::" '.$target.'>'. 768: '<img alt="" class="LC_noBorder" src="'. 769: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 770: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 771: return $output; 772: } 773: 774: sub send_message_link { 775: my ($ressymb) = @_; 776: my $output = '<span class="LC_message_link">'. 777: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 778: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 779: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 780: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 781: return $output; 782: } 783: 784: sub action_links_bar { 785: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 786: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 787: '<table width="100%" class="LC_disc_action_table"><tr>'. 788: '<td class="LC_disc_action_left">'; 789: my $escsymb=&escape($ressymb); 790: if ($visible>2) { 791: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 792: if ($newpostsflag) { 793: $discussion .= '&previous='.$prevread; 794: } 795: $discussion .= &group_args($group); 796: $discussion .='">'.&mt('Threaded View').'</a>  '. 797: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 798: if ($newpostsflag) { 799: $discussion .= '&previous='.$prevread; 800: } 801: $discussion .= &group_args($group); 802: $discussion .='">'.&mt('Chronological View').'</a>   803: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 804: if ($newpostsflag) { 805: $discussion .= '&previous='.$prevread; 806: } 807: $discussion .= &group_args($group); 808: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 809: } 810: $discussion .='<a href="/adm/feedback?export='.$escsymb; 811: if ($newpostsflag) { 812: $discussion .= '&previous='.$prevread; 813: } 814: $discussion .= &group_args($group); 815: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 816: if ($newpostsflag) { 817: if (!$markondisp) { 818: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 819: $discussion .= &group_args($group); 820: $discussion .= '">'. 821: &mt('Preferences on what is marked as NEW'). 822: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 823: $discussion .= &group_args($group); 824: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 825: } else { 826: $discussion .= '<td> </td>'; 827: } 828: } else { 829: $discussion .= '<td> </td>'; 830: } 831: $discussion .= '</tr></table></td></tr>'; 832: return $discussion; 833: } 834: 835: sub postingform_display { 836: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 837: $currnewattach,$currdelold,$group,$crstype) = @_; 838: if ($outputtarget eq 'tex') { return ''; } 839: my $newattachmsg; 840: my %lt = &Apache::lonlocal::texthash( 841: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 842: 'title' => 'Title', 843: 'podi' => 'Post Discussion', 844: 'poan' => 'Post Anonymous Discussion', 845: 'newa' => 'New attachments', 846: ); 847: if ($crstype eq 'Community') { 848: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 849: } 850: my ($postingform,$textareaclass); 851: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 852: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 853: $textareaclass = 'class="LC_richDefaultOff"'; 854: } 855: $postingform .= (<<ENDDISCUSS); 856: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 857: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 858: <input type="hidden" name="sendit" value="true" /> 859: <input type="hidden" name="timestamp" value="$now" /> 860: <br /><a name="newpost"></a> 861: <font size="1">$lt{'note'}</font><br /> 862: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 863: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 864: ENDDISCUSS 865: if ($env{'form.origpage'}) { 866: $postingform .= '<input type="hidden" name="origpage" value="'. 867: $env{'form.origpage'}.'" />'."\n"; 868: foreach my $att (@{$currnewattach}) { 869: $postingform .= '<input type="hidden" name="currnewattach" '. 870: 'value="'.$att.'" />'."\n"; 871: } 872: } 873: if (exists($env{'form.ref'})) { 874: $postingform .= '<input type="hidden" name="ref" value="'. 875: $env{'form.ref'}.'" />'; 876: } 877: if ($group ne '') { 878: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 879: } 880: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 881: if (!$blockblog) { 882: $postingform .= &add_blog_checkbox($crstype); 883: } 884: $postingform .= "</form>\n"; 885: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 886: $now,$currnewattach, 887: $currdelold,'',$mode, 888: $blockblog); 889: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 890: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 891: if (@{$currnewattach} > 1) { 892: $newattachmsg .= '<ol>'; 893: foreach my $item (@{$currnewattach}) { 894: $item =~ m#.*/([^/]+)$#; 895: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 896: } 897: $newattachmsg .= '</ol>'."\n"; 898: } else { 899: $$currnewattach[0] =~ m#.*/([^/]+)$#; 900: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 901: } 902: } 903: $postingform .= $newattachmsg; 904: $postingform .= &generate_preview_button(); 905: return $postingform; 906: } 907: 908: sub build_posting_display { 909: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 910: my @original=(); 911: my @index=(); 912: my $skip_group_check = 0; 913: my $symb=&Apache::lonenc::check_decrypt($ressymb); 914: my $escsymb=&escape($ressymb); 915: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 916: $env{'course.'.$env{'request.course.id'}.'.domain'}, 917: $env{'course.'.$env{'request.course.id'}.'.num'}); 918: 919: my $see_anonymous = 920: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 921: 922: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 923: $skip_group_check = 1; 924: } 925: if ($contrib{'version'}) { 926: my $oldest = $contrib{'1:timestamp'}; 927: if ($prevread eq '0') { 928: $prevread = $oldest-1; 929: } 930: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 931: if ($sortposts) { 932: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 933: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 934: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 935: } 936: for (my $id=1;$id<=$contrib{'version'};$id++) { 937: my $idx=$id; 938: my $posttime = $contrib{$idx.':timestamp'}; 939: if ($prevread <= $posttime) { 940: $$newpostsflag = 1; 941: } 942: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 943: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 944: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 945: my $origindex='0.'; 946: my $numoldver=0; 947: if ($contrib{$idx.':replyto'}) { 948: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 949: # this is a follow-up message 950: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 951: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 952: $origindex=$index[$contrib{$idx.':replyto'}]; 953: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 954: } else { 955: $original[$idx]=0; 956: $$depth[$idx]=0; 957: } 958: } else { 959: # this is an original message 960: $original[$idx]=0; 961: $$depth[$idx]=0; 962: } 963: if ($$replies[$$depth[$idx]]) { 964: $$replies[$$depth[$idx]]++; 965: } else { 966: $$replies[$$depth[$idx]]=1; 967: } 968: unless ((($hidden) && (!$seeid)) || ($deleted)) { 969: $$visible++; 970: if ($contrib{$idx.':history'}) { 971: if ($contrib{$idx.':history'} =~ /:/) { 972: my @oldversions = split(/:/,$contrib{$idx.':history'}); 973: $numoldver = @oldversions; 974: } else { 975: $numoldver = 1; 976: } 977: } 978: $$current = $numoldver; 979: my %messages = (); 980: my %subjects = (); 981: my %attachtxt = (); 982: my %allattachments = (); 983: my ($screenname,$plainname); 984: my $sender = &mt('Anonymous'); 985: # Anonymous users getting number within a discussion 986: # Since idx is in static order, this should give the same sequence every time. 987: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 988: unless ($$anonhash{$key}) { 989: $anoncnt++; 990: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 991: } 992: my ($message,$subject,$vgrlink,$ctlink); 993: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 994: 995: 996: # Set up for sorting by subject 997: unless ($outputtarget eq 'export') { 998: $message=$messages{$numoldver}; 999: $message.=$attachtxt{$numoldver}; 1000: $subject=$subjects{$numoldver}; 1001: if ($message) { 1002: if ($hidden) { 1003: $message='<font color="#888888">'.$message.'</font>'; 1004: if ($studenthidden) { 1005: $message .='<br /><br />Deleted by poster (student).'; 1006: } 1007: } 1008: 1009: if ($subject eq '') { 1010: if (defined($$subjectsort{'__No subject'})) { 1011: push(@{$$subjectsort{'__No subject'}}, $idx); 1012: } else { 1013: @{$$subjectsort{'__No subject'}} = ("$idx"); 1014: } 1015: } else { 1016: if (defined($$subjectsort{$subject})) { 1017: push(@{$$subjectsort{$subject}}, $idx); 1018: } else { 1019: @{$$subjectsort{$subject}} = ("$idx"); 1020: } 1021: } 1022: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1023: $sender=&Apache::loncommon::aboutmewrapper( 1024: $plainname, 1025: $contrib{$idx.':sendername'}, 1026: $contrib{$idx.':senderdomain'}).' ('. 1027: $contrib{$idx.':sendername'}.':'. 1028: $contrib{$idx.':senderdomain'}.')'; 1029: $sender = '<b>'.$sender.'</b>'; 1030: if ($contrib{$idx.':anonymous'}) { 1031: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1032: $screenname; 1033: } 1034: if ($see_anonymous) { 1035: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1036: } 1037: # Set up for sorting by domain, then username 1038: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1039: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1040: } 1041: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1042: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1043: } else { 1044: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1045: } 1046: # Set up for sorting by last name, then first name 1047: my %names = &Apache::lonnet::get('environment', 1048: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1049: ,$contrib{$idx.':sendername'}); 1050: my $lastname = $names{'lastname'}; 1051: my $firstname = $names{'firstname'}; 1052: if ($lastname eq '') { 1053: $lastname = '_'; 1054: } 1055: if ($firstname eq '') { 1056: $firstname = '_'; 1057: } 1058: unless (defined($$namesort{$lastname})) { 1059: %{$$namesort{$lastname}} = (); 1060: } 1061: if (defined($$namesort{$lastname}{$firstname})) { 1062: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1063: } else { 1064: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1065: } 1066: if ((&editing_allowed($escsymb.':::'.$idx,$group)) && ($outputtarget ne 'tex')) { 1067: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1068: $sender.=' <a href="/adm/feedback?editdisc='. 1069: $escsymb.':::'.$idx; 1070: if ($$newpostsflag) { 1071: $sender .= '&previous='.$prevread; 1072: } 1073: $sender .= &group_args($group); 1074: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1075: 1076: unless ($seeid) { 1077: my $grpargs = &group_args($group); 1078: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1079: $sender .= '">'.&mt('Delete').'</a>'; 1080: } 1081: } 1082: } 1083: if (($seeid) && ($outputtarget ne 'tex')) { 1084: if ($hidden) { 1085: unless ($studenthidden) { 1086: $sender.=' <a href="/adm/feedback?unhide='. 1087: $escsymb.':::'.$idx; 1088: if ($$newpostsflag) { 1089: $sender .= '&previous='.$prevread; 1090: } 1091: $sender .= '">'.&mt('Make Visible').'</a>'; 1092: } 1093: } else { 1094: $sender.=' <a href="/adm/feedback?hide='. 1095: $escsymb.':::'.$idx; 1096: if ($$newpostsflag) { 1097: $sender .= '&previous='.$prevread; 1098: } 1099: $sender .= &group_args($group); 1100: $sender .= '">'.&mt('Hide').'</a>'; 1101: } 1102: my $grpargs = &group_args($group); 1103: $sender.= 1104: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1105: $sender .= &mt('Delete').'</a>'; 1106: } 1107: } else { 1108: if ($screenname) { 1109: $sender='<i>'.$screenname.'</i>'; 1110: } else { 1111: $sender='<i>'.$$anonhash{$key}.'</i>'; 1112: } 1113: $sender = '<b>'.$sender.'</b>'; 1114: # Set up for sorting by domain, then username for anonymous 1115: unless (defined($$usernamesort{'__anon'})) { 1116: %{$$usernamesort{'__anon'}} = (); 1117: } 1118: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1119: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1120: } else { 1121: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1122: } 1123: # Set up for sorting by last name, then first name for anonymous 1124: unless (defined($$namesort{'__anon'})) { 1125: %{$$namesort{'__anon'}} = (); 1126: } 1127: if (defined($$namesort{'__anon'}{'__anon'})) { 1128: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1129: } else { 1130: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1131: } 1132: } 1133: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 1134: if (($group ne '') && 1135: (&check_group_priv($group,'pgd') eq 'ok')) { 1136: $sender.=' <a href="/adm/feedback?replydisc='. 1137: $escsymb.':::'.$idx; 1138: if ($$newpostsflag) { 1139: $sender .= '&previous='.$prevread; 1140: } 1141: $sender .= &group_args($group); 1142: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1143: } elsif (&Apache::lonnet::allowed('pch', 1144: $env{'request.course.id'}. 1145: ($env{'request.course.sec'}?'/'. 1146: $env{'request.course.sec'}:''))) { 1147: $sender.=' <a href="/adm/feedback?replydisc='. 1148: $escsymb.':::'.$idx; 1149: if ($$newpostsflag) { 1150: $sender .= '&previous='.$prevread; 1151: } 1152: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1153: } 1154: } 1155: if (($viewgrades) && ($outputtarget ne 'tex')) { 1156: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1157: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1158: } 1159: if (($$dischash{$readkey}=~/\.$idx\./) && ($outputtarget ne 'tex')) { 1160: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1161: } else { 1162: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1163: } 1164: } 1165: #figure out at what position this needs to print 1166: } 1167: if ($outputtarget eq 'export' || $message) { 1168: my $thisindex=$idx; 1169: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1170: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1171: } 1172: $$alldiscussion{$thisindex}=$idx; 1173: $$shown{$idx} = 0; 1174: $index[$idx]=$thisindex; 1175: } 1176: if ($outputtarget eq 'export') { 1177: %{$$imsitems{$idx}} = (); 1178: $$imsitems{$idx}{'isvisible'}='true'; 1179: if ($hidden) { 1180: $$imsitems{$idx}{'isvisible'}='false'; 1181: } 1182: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1183: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1184: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1185: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1186: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1187: $contrib{$idx.':sendername'}.':'. 1188: $contrib{$idx.':senderdomain'}.')'; 1189: $$imsitems{$idx}{'isanonymous'}='false'; 1190: if ($contrib{$idx.':anonymous'}) { 1191: $$imsitems{$idx}{'isanonymous'}='true'; 1192: } 1193: $$imsitems{$idx}{'currversion'}=$numoldver; 1194: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1195: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1196: $$shown{$idx} = 1; 1197: } 1198: } else { 1199: if ($message) { 1200: my $spansize = 2; 1201: if ($showonlyunread && $prevread > $posttime) { 1202: $$notshown{$idx} = 1; 1203: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1204: $$notshown{$idx} = 1; 1205: } else { 1206: # apply filters 1207: my $uname = $contrib{$idx.':sendername'}; 1208: my $udom = $contrib{$idx.':senderdomain'}; 1209: my $poster = $uname.':'.$udom; 1210: if ($env{'form.totposters'} ne '') { 1211: if ($totposters == 0) { 1212: $$shown{$idx} = 0; 1213: } elsif ($totposters > 0) { 1214: if (grep/^$poster$/,@{$posters}) { 1215: $$shown{$idx} = 1; 1216: } 1217: } 1218: } elsif ($sortposts) { 1219: if ($skiptest) { 1220: $$shown{$idx} = 1; 1221: } else { 1222: foreach my $role (@{$$roleinfo{$poster}}) { 1223: if ($role =~ /^cc:/) { 1224: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1225: if ($role =~ /$cc_regexp/) { 1226: $$shown{$idx} = 1; 1227: last; 1228: } 1229: } elsif ($role =~ /^$rolematch$/) { 1230: $$shown{$idx} = 1; 1231: last; 1232: } 1233: } 1234: } 1235: if ($$shown{$idx} && !$skip_group_check) { 1236: my $showflag = 0; 1237: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1238: foreach my $grp (@{$grouppick}) { 1239: if (grep/^\Q$grp\E$/, 1240: keys(%{$$classgroups{$poster}{active}})) { 1241: $showflag = 1; 1242: last; 1243: } 1244: } 1245: } 1246: if ($showflag) { 1247: $$shown{$idx} = 1; 1248: } else { 1249: $$shown{$idx} = 0; 1250: } 1251: } 1252: } else { 1253: $$shown{$idx} = 1; 1254: } 1255: } 1256: unless ($$notshown{$idx} == 1) { 1257: if ($prevread > 0 && $prevread <= $posttime) { 1258: $$newitem{$idx} = 1; 1259: $$discussionitems[$idx] .= ' 1260: <table border="0" width="100%"> 1261: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>'; 1262: } else { 1263: $$newitem{$idx} = 0; 1264: $$discussionitems[$idx] .= ' 1265: <table border="0" width="100%"> 1266: <tr><td align="left"> </td>'; 1267: } 1268: $$discussionitems[$idx] .= '<td align="left">  '. 1269: '<b>'.$subject.'</b>  '. 1270: $sender.' '.$vgrlink.' ('. 1271: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1272: if ($$dischash{$toggkey}) { 1273: $$discussionitems[$idx].='<td align="right">  '. 1274: $ctlink.'</td>'; 1275: } 1276: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1277: $message.'</blockquote>'; 1278: if ($contrib{$idx.':history'}) { 1279: my @postversions = (); 1280: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1281: if ($seeid) { 1282: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1283: $$discussionitems[$idx] .= &group_args($group); 1284: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1285: } 1286: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1287: if ($contrib{$idx.':history'} =~ m/:/) { 1288: @postversions = split(/:/,$contrib{$idx.':history'}); 1289: } else { 1290: @postversions = ("$contrib{$idx.':history'}"); 1291: } 1292: for (my $i=0; $i<@postversions; $i++) { 1293: my $version = $i+1; 1294: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1295: } 1296: } 1297: } 1298: } 1299: } 1300: } 1301: } 1302: } 1303: } 1304: 1305: sub filter_regexp { 1306: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1307: my ($roleregexp,$secregexp,$statusregexp); 1308: my $skiptest = 1; 1309: if (@{$rolefilter} > 0) { 1310: my @okrolefilter = (); 1311: foreach my $role (@{$rolefilter}) { 1312: unless ($role eq '') { 1313: push(@okrolefilter, $role); 1314: } 1315: } 1316: if (@okrolefilter > 0) { 1317: if (grep/^all$/,@okrolefilter) { 1318: $roleregexp='[^:]+'; 1319: } else { 1320: if (@okrolefilter == 1) { 1321: $roleregexp=$okrolefilter[0]; 1322: } else { 1323: $roleregexp='('.join('|',@okrolefilter).')'; 1324: } 1325: $skiptest = 0; 1326: } 1327: } 1328: } 1329: if (@{$sectionpick} > 0) { 1330: my @oksectionpick = (); 1331: foreach my $sec (@{$sectionpick}) { 1332: unless ($sec eq '') { 1333: push(@oksectionpick, $sec); 1334: } 1335: } 1336: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1337: if (@oksectionpick == 1) { 1338: $secregexp = $oksectionpick[0]; 1339: } else { 1340: $secregexp .= '('.join('|',@oksectionpick).')'; 1341: } 1342: $skiptest = 0; 1343: } else { 1344: $secregexp .= '[^:]*'; 1345: } 1346: } 1347: 1348: if (defined($statusfilter) && $statusfilter ne '') { 1349: if ($statusfilter eq 'all') { 1350: $statusregexp = '[^:]+'; 1351: } else { 1352: $statusregexp = $statusfilter; 1353: $skiptest = 0; 1354: } 1355: } 1356: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1357: } 1358: 1359: 1360: sub get_post_contents { 1361: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1362: my $discussion = ''; 1363: my $start=$numver; 1364: my $end=$numver + 1; 1365: %{$$imsfiles{$idx}}=(); 1366: if ($type eq 'allversions') { 1367: unless($seeid) { 1368: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1369: return $discussion; 1370: } 1371: } 1372: # $$screenname=&Apache::loncommon::screenname( 1373: # $$contrib{$idx.':sendername'}, 1374: # $$contrib{$idx.':senderdomain'}); 1375: $$plainname=&Apache::loncommon::nickname( 1376: $$contrib{$idx.':sendername'}, 1377: $$contrib{$idx.':senderdomain'}); 1378: $$screenname=$$contrib{$idx.':screenname'}; 1379: 1380: my $sender=&Apache::loncommon::aboutmewrapper( 1381: $$plainname, 1382: $$contrib{$idx.':sendername'}, 1383: $$contrib{$idx.':senderdomain'}).' ('. 1384: $$contrib{$idx.':sendername'}.':'. 1385: $$contrib{$idx.':senderdomain'}.')'; 1386: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1387: my @postversions = (); 1388: if ($type eq 'allversions' || $type eq 'export') { 1389: $start = 0; 1390: if ($$contrib{$idx.':history'}) { 1391: @postversions = split(/:/,$$contrib{$idx.':history'}); 1392: } 1393: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1394: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1395: push(@postversions,$$contrib{$idx.':timestamp'}); 1396: $end = @postversions; 1397: } else { 1398: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1399: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1400: } 1401: 1402: if ($$contrib{$idx.':anonymous'}) { 1403: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1404: } 1405: if ($type eq 'allversions') { 1406: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1407: } 1408: for (my $i=$start; $i<$end; $i++) { 1409: my ($timesent,$attachmsg); 1410: my %currattach = (); 1411: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1412: unless (&contains_block_html($messages->{$i})) { 1413: &newline_to_br(\$messages->{$i}); 1414: } 1415: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1416: $$subjects{$i}=~s/\n/\<br \/\>/g; 1417: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1418: if ($attachmenturls) { 1419: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1420: } 1421: if ($type eq 'export') { 1422: $$imsfiles{$idx}{$i} = ''; 1423: if ($attachmsg) { 1424: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1425: foreach my $key (sort(keys(%currattach))) { 1426: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1427: my $fname = $1.$3.'/'.$4; 1428: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1429: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1430: } 1431: } 1432: } 1433: } else { 1434: if ($attachmsg) { 1435: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1436: } else { 1437: $$attachtxt{$i} = ''; 1438: } 1439: } 1440: if ($type eq 'allversions') { 1441: $discussion.= <<"END"; 1442: <li><b>$$subjects{$i}</b>, $timesent<br /> 1443: $$messages{$i}<br /> 1444: $$attachtxt{$i}</li> 1445: END 1446: } 1447: } 1448: if ($type eq 'allversions') { 1449: $discussion.='</ul>'; 1450: return $discussion; 1451: } else { 1452: return; 1453: } 1454: } 1455: 1456: sub replicate_attachments { 1457: my ($attachrefs,$tempexport) = @_; 1458: my $response; 1459: foreach my $id (keys(%{$attachrefs})) { 1460: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1461: my $path = $tempexport; 1462: my $tail = $1.'/'.$2.$4; 1463: my @extras = split(/\//,$tail); 1464: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1465: if (!-e $destination) { 1466: my $i= 0; 1467: while ($i<@extras) { 1468: $path .= '/'.$extras[$i]; 1469: if (!-e $path) { 1470: mkdir($path,0700); 1471: } 1472: $i ++; 1473: } 1474: my ($content,$rtncode); 1475: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1476: if ($uploadreply eq 'ok') { 1477: my $attachcopy; 1478: if ($attachcopy = Apache::File->new('>'.$destination)) { 1479: print $attachcopy $content; 1480: close($attachcopy); 1481: } else { 1482: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1483: } 1484: } else { 1485: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1486: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1487: } 1488: } 1489: } 1490: } 1491: return $response; 1492: } 1493: 1494: sub mail_screen { 1495: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1496: if (exists($env{'form.origpage'})) { 1497: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1498: } 1499: 1500: my %lt = &Apache::lonlocal::texthash( 1501: 'myqu' => 'My question/comment/feedback:', 1502: 'title' => 'Title', 1503: 'reta' => 'Retained attachments', 1504: 'atta' => 'Attachment', 1505: ); 1506: my $restitle = &get_resource_title($caller_symb,$feedurl); 1507: my $quote=''; 1508: my $subject = ''; 1509: my $comment = ''; 1510: my $prevtag = ''; 1511: my $parentmsg = ''; 1512: my ($symb,$idx,$attachmenturls); 1513: my $numoldver = 0; 1514: my $attachmsg = ''; 1515: my $newattachmsg = ''; 1516: my @currnewattach = (); 1517: my @currdelold = (); 1518: my @keepold = (); 1519: my %attachments = (); 1520: my %currattach = (); 1521: my $attachnum = 0; 1522: my $anonchk = (<<END); 1523: function anonchk() { 1524: for (var i=0; i < document.mailform.discuss.length; i++) { 1525: if (document.mailform.discuss[i].checked) { 1526: document.attachment.discuss.value = 1527: document.mailform.discuss[i].value; 1528: } 1529: } 1530: if (document.mailform.blog.checked) { 1531: document.attachment.blog.value = 1; 1532: } 1533: return 1534: } 1535: END 1536: my $anonscript; 1537: if (exists($env{'form.origpage'})) { 1538: $anonscript = (<<END); 1539: function setposttype() { 1540: var disc = "$env{'form.discuss'}"; 1541: for (var i=0; i < document.mailform.discuss.length; i++) { 1542: if (disc == document.mailform.discuss[i].value) { 1543: document.mailform.discuss[i].checked = 1; 1544: } 1545: } 1546: var blog = "$env{'form.blog'}"; 1547: if (blog == 1) { 1548: document.mailform.blog.checked=1; 1549: } 1550: return 1551: } 1552: END 1553: } else { 1554: $anonscript = (<<END); 1555: function setposttype() { 1556: return 1557: } 1558: END 1559: } 1560: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1561: if ($env{'form.replydisc'}) { 1562: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1563: } else { 1564: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1565: } 1566: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1567: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1568: $env{'course.'.$env{'request.course.id'}.'.num'}); 1569: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1570: if ($contrib{$idx.':history'}) { 1571: if ($contrib{$idx.':history'} =~ /:/) { 1572: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1573: $numoldver = @oldversions; 1574: } else { 1575: $numoldver = 1; 1576: } 1577: } 1578: if ($env{'form.replydisc'}) { 1579: if ($contrib{$idx.':history'}) { 1580: if ($contrib{$idx.':history'} =~ /:/) { 1581: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1582: $numoldver = @oldversions; 1583: } else { 1584: $numoldver = 1; 1585: } 1586: } 1587: if ($idx > 0) { 1588: my %msgversions = (); 1589: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1590: $quote = $msgversions{$numoldver}; 1591: } 1592: if ($idx > 0) { 1593: my %subversions = (); 1594: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1595: $subject = &mt('Re: ').$subversions{$numoldver}; 1596: } 1597: $subject = &HTML::Entities::encode($subject,'<>&"'); 1598: } else { 1599: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1600: if ($idx > 0) { 1601: my %msgversions = (); 1602: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1603: $comment = $msgversions{$numoldver}; 1604: my %subversions = (); 1605: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1606: $subject = $subversions{$numoldver}; 1607: } 1608: if (defined($contrib{$idx.':replyto'})) { 1609: $parentmsg = $contrib{$idx.':replyto'}; 1610: } 1611: unless (exists($env{'form.origpage'})) { 1612: my $anonflag = 'nonanon'; 1613: if ($contrib{$idx.':anonymous'}) { 1614: $anonflag = 'anon'; 1615: } 1616: $anonscript = (<<END); 1617: function setposttype () { 1618: var currtype = "$anonflag"; 1619: for (var i=0; i<document.mailform.discuss.length; i++) { 1620: if (document.mailform.elements.discuss[i].value == currtype ) { 1621: document.mailform.elements.discuss[i].checked=1; 1622: } 1623: } 1624: return 1625: } 1626: END 1627: } 1628: } 1629: } 1630: if ($env{'form.previous'}) { 1631: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1632: } 1633: } 1634: 1635: if ($env{'form.origpage'}) { 1636: $subject = &unescape($env{'form.subject'}); 1637: $comment = &unescape($env{'form.comment'}); 1638: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1639: } 1640: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1641: my $send=&mt('Send'); 1642: my $alert = &mt('Please select a feedback type.'); 1643: my $js= <<END; 1644: <script type="text/javascript"> 1645: // 1679: </script> 1680: END 1681: 1682: my ($textareaheader,$textareaclass); 1683: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1684: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1685: $textareaclass = 'class="LC_richDefaultOff"'; 1686: } 1687: 1688: # Breadcrumbs 1689: my $brcrum = [{'href' => '', 1690: 'text' => 'Resource Feedback and Discussion'}]; 1691: 1692: my %onload = ('onload' => 'window.focus();setposttype();'); 1693: my $start_page= 1694: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1695: {'add_entries' => \%onload, 1696: 'bread_crumbs' => $brcrum,}); 1697: 1698: if ($quote ne '') { 1699: $quote = &HTML::Entities::decode($quote); 1700: unless (&contains_block_html($quote)) { 1701: &newline_to_br(\$quote); 1702: } 1703: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1704: } 1705: 1706: $r->print(<<END); 1707: $start_page 1708: <h2><tt>$restitle</tt></h2> 1709: <form action="/adm/feedback" method="post" name="mailform" 1710: enctype="multipart/form-data"> 1711: $prevtag 1712: <input type="hidden" name="postdata" value="$feedurl" /> 1713: END 1714: if ($env{'form.replydisc'}) { 1715: $r->print(<<END); 1716: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1717: END 1718: } elsif ($env{'form.editdisc'}) { 1719: $r->print(<<END); 1720: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1721: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1722: END 1723: } 1724: $r->print(<<END); 1725: $options<hr /> 1726: $quote 1727: <p>$lt{'myqu'} 1728: $textareaheader 1729: </p> 1730: <p> 1731: $latexHelp 1732: </p> 1733: <p> 1734: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1735: <p> 1736: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1737: </textarea></p> 1738: END 1739: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1740: if ($env{'form.origpage'}) { 1741: foreach my $attach (@currnewattach) { 1742: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1743: } 1744: foreach my $oldatt (@currdelold) { 1745: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1746: } 1747: } 1748: if ($env{'form.editdisc'}) { 1749: if ($attachmenturls) { 1750: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1751: $attachnum = scalar(keys(%currattach)); 1752: foreach my $key (keys(%currattach)) { 1753: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1754: } 1755: } 1756: } 1757: } else { 1758: $r->print(<<END); 1759: <p> 1760: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1761: </p> 1762: END 1763: } 1764: if (exists($env{'form.group'})) { 1765: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1766: } 1767: if (exists($env{'form.ref'})) { 1768: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1769: } 1770: $r->print(<<END); 1771: <p> 1772: <input type="hidden" name="sendit" value="1" /> 1773: <input type="button" value="$send" onclick='gosubmit();' /> 1774: </p> 1775: </form> 1776: END 1777: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1778: my $now = time; 1779: my $ressymb = $symb; 1780: &Apache::lonenc::check_encrypt(\$ressymb); 1781: my $postidx = ''; 1782: if ($env{'form.editdisc'}) { 1783: $postidx = $idx; 1784: } 1785: if (@currnewattach > 0) { 1786: $attachnum += @currnewattach; 1787: } 1788: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1789: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1790: if ($attachnum > 0) { 1791: if (@currnewattach > 0) { 1792: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1793: if (@currnewattach > 1) { 1794: $newattachmsg .= '<ol>'; 1795: foreach my $item (@currnewattach) { 1796: $item =~ m#.*/([^/]+)$#; 1797: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1798: } 1799: $newattachmsg .= '</ol>'."\n"; 1800: } else { 1801: $currnewattach[0] =~ m#.*/([^/]+)$#; 1802: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1803: } 1804: } 1805: if ($attachmsg) { 1806: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1807: } 1808: if ($newattachmsg) { 1809: $r->print("$newattachmsg<br />"); 1810: } 1811: } 1812: } 1813: $r->print(&generate_preview_button(). 1814: &Apache::loncommon::end_page()); 1815: 1816: } 1817: 1818: sub print_display_options { 1819: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1820: &Apache::loncommon::content_type($r,'text/html'); 1821: $r->send_http_header; 1822: 1823: my $function = &Apache::loncommon::get_users_function(); 1824: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1825: $env{'user.domain'}); 1826: 1827: my %lt = &Apache::lonlocal::texthash( 1828: 'pref' => 'Display Preference', 1829: 'curr' => 'Current setting ', 1830: 'actn' => 'Action', 1831: 'deff' => 'Default for all discussions', 1832: 'prca' => 'Preferences can be set for this discussion that determine ....', 1833: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1834: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1835: 'wipa' => 'Whether individual posts can be marked as read/unread', 1836: 'allposts' => 'All posts', 1837: 'unread' => 'New posts only', 1838: 'unmark' => 'Posts not marked read', 1839: 'ondisp' => 'Once displayed', 1840: 'onmark' => 'Once marked not NEW', 1841: 'toggon' => 'Shown', 1842: 'toggoff' => 'Not shown', 1843: 'disa' => 'Posts displayed?', 1844: 'npmr' => 'New posts cease to be identified as "NEW"?', 1845: 'dotm' => 'Option to mark each post as read/unread?', 1846: 'chgt' => 'Change to ', 1847: 'mkdf' => 'Set to ', 1848: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1849: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1850: ); 1851: 1852: my $dispchangeA = $lt{'unread'}; 1853: my $dispchangeB = $lt{'unmark'}; 1854: my $markchange = $lt{'ondisp'}; 1855: my $toggchange = $lt{'toggon'}; 1856: my $currdisp = $lt{'allposts'}; 1857: my $currmark = $lt{'onmark'}; 1858: my $discdisp = 'allposts'; 1859: my $discmark = 'onmark'; 1860: my $currtogg = $lt{'toggoff'}; 1861: my $disctogg = 'toggoff'; 1862: 1863: if ($dispchgA eq 'allposts') { 1864: $dispchangeA = $lt{'allposts'}; 1865: $currdisp = $lt{'unread'}; 1866: $discdisp = 'unread'; 1867: } 1868: 1869: if ($markchg eq 'markonread') { 1870: $markchange = $lt{'onmark'}; 1871: $currmark = $lt{'ondisp'}; 1872: $discmark = 'ondisp'; 1873: } 1874: 1875: if ($dispchgB eq 'onlyunread') { 1876: $dispchangeB = $lt{'unread'}; 1877: $currdisp = $lt{'unmark'}; 1878: $discdisp = 'unmark'; 1879: } 1880: if ($toggchg eq 'toggoff') { 1881: $toggchange = $lt{'toggoff'}; 1882: $currtogg = $lt{'toggon'}; 1883: $disctogg = 'toggon'; 1884: } 1885: 1886: my $js = <<END; 1887: <script type="text/javascript"> 1888: function discdispChk(caller) { 1889: var disctogg = '$toggchg' 1890: if (caller == 0) { 1891: if (document.modifydisp.discdisp[0].checked == true) { 1892: if (document.modifydisp.discdisp[1].checked == true) { 1893: document.modifydisp.discdisp[1].checked = false 1894: } 1895: } 1896: } 1897: if (caller == 1) { 1898: if (document.modifydisp.discdisp[1].checked == true) { 1899: if (document.modifydisp.discdisp[0].checked == true) { 1900: document.modifydisp.discdisp[0].checked = false 1901: } 1902: if (disctogg == 'toggon') { 1903: document.modifydisp.disctogg.checked = true 1904: } 1905: if (disctogg == 'toggoff') { 1906: document.modifydisp.disctogg.checked = false 1907: } 1908: } 1909: } 1910: if (caller == 2) { 1911: var dispchgB = '$dispchgB' 1912: if (disctogg == 'toggoff') { 1913: if (document.modifydisp.disctogg.checked == true) { 1914: if (dispchgB == 'onlyunmark') { 1915: document.modifydisp.discdisp[1].checked = false 1916: } 1917: } 1918: } 1919: } 1920: } 1921: 1922: function setDisp() { 1923: var prev = "$previous" 1924: var chktotal = 0 1925: if (document.modifydisp.discdisp[0].checked == true) { 1926: document.modifydisp.$dispchgA.value = "$symb" 1927: chktotal ++ 1928: } 1929: if (document.modifydisp.discdisp[1].checked == true) { 1930: document.modifydisp.$dispchgB.value = "$symb" 1931: chktotal ++ 1932: } 1933: if (document.modifydisp.discmark.checked == true) { 1934: document.modifydisp.$markchg.value = "$symb" 1935: chktotal ++ 1936: } 1937: if (document.modifydisp.disctogg.checked == true) { 1938: document.modifydisp.$toggchg.value = "$symb" 1939: chktotal ++ 1940: } 1941: if (chktotal > 0) { 1942: document.modifydisp.submit() 1943: } else { 1944: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1945: if (prev > 0) { 1946: location.href = "$feedurl?previous=$previous" 1947: } else { 1948: location.href = "$feedurl" 1949: } 1950: } 1951: } 1952: } 1953: </script> 1954: END 1955: 1956: 1957: my $start_page = 1958: &Apache::loncommon::start_page('Discussion display options',$js); 1959: my $end_page = 1960: &Apache::loncommon::end_page(); 1961: $r->print(<<END); 1962: $start_page 1963: <form name="modifydisp" method="post" action="/adm/feedback"> 1964: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1965: <br /> 1966: END 1967: $r->print(&Apache::loncommon::start_data_table()); 1968: $r->print(<<END); 1969: <tr> 1970: <th>$lt{'pref'}</td> 1971: <th>$lt{'curr'}</td> 1972: <th>$lt{'actn'}?</td> 1973: </tr> 1974: END 1975: $r->print(&Apache::loncommon::start_data_table_row()); 1976: $r->print(<<END); 1977: <td>$lt{'disa'}</td> 1978: <td>$lt{$discdisp}</td> 1979: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1980: <br /> 1981: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1982: </td> 1983: END 1984: $r->print(&Apache::loncommon::end_data_table_row()); 1985: $r->print(&Apache::loncommon::start_data_table_row()); 1986: $r->print(<<END); 1987: <td>$lt{'npmr'}</td> 1988: <td>$lt{$discmark}</td> 1989: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1990: END 1991: $r->print(&Apache::loncommon::end_data_table_row()); 1992: $r->print(&Apache::loncommon::start_data_table_row()); 1993: $r->print(<<END); 1994: <td>$lt{'dotm'}</td> 1995: <td>$lt{$disctogg}</td> 1996: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1997: END 1998: my $save = &mt('Save'); 1999: $r->print(&Apache::loncommon::end_data_table_row()); 2000: $r->print(&Apache::loncommon::end_data_table()); 2001: $r->print(<<END); 2002: <br /> 2003: <br /> 2004: <input type="hidden" name="symb" value="$symb" /> 2005: <input type="hidden" name="previous" value="$previous" /> 2006: <input type="hidden" name="$dispchgA" value="" /> 2007: <input type="hidden" name="$dispchgB" value="" /> 2008: <input type="hidden" name="$markchg" value="" /> 2009: <input type="hidden" name="$toggchg" value="" /> 2010: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2011: END 2012: if (exists($env{'form.group'})) { 2013: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2014: } 2015: if (exists($env{'form.ref'})) { 2016: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2017: } 2018: $r->print(" 2019: <br /> 2020: <br /> 2021: </form> 2022: $end_page 2023: "); 2024: return; 2025: } 2026: 2027: sub print_sortfilter_options { 2028: my ($r,$symb,$previous,$feedurl) = @_; 2029: 2030: &Apache::loncommon::content_type($r,'text/html'); 2031: $r->send_http_header; 2032: 2033: &Apache::lonenc::check_encrypt(\$symb); 2034: my @sections; 2035: my $section_sel = ''; 2036: my $numvisible = 5; 2037: my @groups; 2038: my $group_sel = ''; 2039: my $numgroupvis = 5; 2040: my %sectioncount = &Apache::loncommon::get_sections(); 2041: my @courseroles = qw(st ad ep ta in); 2042: my $crstype = &Apache::loncommon::course_type(); 2043: my $ccrole = 'cc'; 2044: if ($crstype eq 'Community') { 2045: $ccrole = 'co'; 2046: } 2047: push(@courseroles,$ccrole); 2048: 2049: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2050: @sections = ('all',$env{'request.course.sec'}); 2051: $numvisible = 2; 2052: } else { 2053: @sections = sort {$a cmp $b} keys(%sectioncount); 2054: if (scalar(@sections) < 4) { 2055: $numvisible = scalar(@sections) + 1; 2056: } 2057: unshift(@sections,'all'); # Put 'all' at the front of the list 2058: 2059: } 2060: foreach my $sec (@sections) { 2061: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2062: } 2063: 2064: if (&check_group_priv() eq 'ok') { 2065: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2066: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2067: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2068: @groups = sort {$a cmp $b} keys(%curr_groups); 2069: if (scalar(@groups) < 4) { 2070: $numgroupvis = scalar(@groups) + 1; 2071: } 2072: unshift(@groups,'all'); # Put 'all' at the front of the list 2073: } else { 2074: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2075: if (@coursegroups > 0) { 2076: @coursegroups = sort {$a cmp $b} @coursegroups; 2077: @groups = ('all',@coursegroups); 2078: if (scalar(@groups) < 4) { 2079: $numgroupvis = scalar(@groups) + 1; 2080: } 2081: } else { 2082: @groups = ('all'); 2083: $numgroupvis = 1; 2084: } 2085: } 2086: foreach my $group (@groups) { 2087: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2088: } 2089: 2090: my $function = &Apache::loncommon::get_users_function(); 2091: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2092: $env{'user.domain'}); 2093: my %lt = &Apache::lonlocal::texthash( 2094: 'diop' => 'Display Options', 2095: 'curr' => 'Current setting ', 2096: 'actn' => 'Action', 2097: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2098: 'soor' => 'Sort order', 2099: 'spur' => 'Specific user roles', 2100: 'sprs' => 'Specific role status', 2101: 'spse' => 'Specific sections', 2102: 'spgr' => 'Specific groups', 2103: 'psub' => 'Pick specific users (by name)', 2104: 'shal' => 'Show a list of current posters', 2105: 'stor' => 'Save changes', 2106: ); 2107: 2108: my %sort_types = (); 2109: my %role_types = (); 2110: my %status_types = (); 2111: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2112: 2113: my $js = <<END; 2114: <script type="text/javascript"> 2115: function verifyFilter() { 2116: var rolenum = 0 2117: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2118: if (document.modifyshown.rolefilter.options[i].selected == true) { 2119: rolenum ++ 2120: } 2121: } 2122: if (rolenum == 0) { 2123: document.modifyshown.rolefilter.options[0].selected = true 2124: } 2125: 2126: var secnum = 0 2127: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2128: if (document.modifyshown.sectionpick.options[i].selected == true) { 2129: secnum ++ 2130: } 2131: } 2132: if (secnum == 0) { 2133: document.modifyshown.sectionpick.options[0].selected = true 2134: } 2135: 2136: var grpnum = 0 2137: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2138: if (document.modifyshown.grouppick.options[i].selected == true) { 2139: grpnum ++ 2140: } 2141: } 2142: if (grpnum == 0) { 2143: document.modifyshown.grouppick.options[0].selected = true 2144: } 2145: 2146: document.modifyshown.submit(); 2147: } 2148: </script> 2149: END 2150: 2151: my $start_page= 2152: &Apache::loncommon::start_page('Discussion options',$js); 2153: my $end_page= 2154: &Apache::loncommon::end_page(); 2155: 2156: $r->print(<<END); 2157: $start_page 2158: <form name="modifyshown" method="post" action="/adm/feedback"> 2159: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2160: <br /><br /> 2161: <table border="0"> 2162: <tr> 2163: <th>$lt{'soor'}</th> 2164: <th> </th> 2165: <th>$lt{'sprs'}</th> 2166: <th> </th> 2167: <th>$lt{'spur'}</th> 2168: <th> </th> 2169: <th>$lt{'spse'}</th> 2170: <th> </th> 2171: <th>$lt{'spgr'}</th> 2172: <th> </th> 2173: <th>$lt{'psub'}</th> 2174: </tr> 2175: <tr> 2176: <td align="center" valign="top"> 2177: <select name="sortposts"> 2178: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2179: <option value="descdate">$sort_types{'descdate'}</option> 2180: <option value="thread">$sort_types{'thread'}</option> 2181: <option value="subject">$sort_types{'subject'}</option> 2182: <option value="username">$sort_types{'username'}</option> 2183: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2184: </select> 2185: </td> 2186: <td> </td> 2187: <td align="center" valign="top"> 2188: <select name="statusfilter"> 2189: <option value="all" selected="selected">$status_types{'all'}</option> 2190: <option value="Active">$status_types{'Active'}</option> 2191: <option value="Expired">$status_types{'Expired'}</option> 2192: <option value="Future">$status_types{'Future'}</option> 2193: </select> 2194: </td> 2195: <td> </td> 2196: <td align="center" valign="top"> 2197: <select name="rolefilter" multiple="multiple" size="5"> 2198: <option value="all">$role_types{'all'}</option> 2199: <option value="st">$role_types{'st'}</option> 2200: <option value="$ccrole">$role_types{$ccrole}</option> 2201: <option value="in">$role_types{'in'}</option> 2202: <option value="ta">$role_types{'ta'}</option> 2203: <option value="ep">$role_types{'ep'}</option> 2204: <option value="ad">$role_types{'ad'}</option> 2205: <option value="cr">$role_types{'cr'}</option> 2206: </select> 2207: </td> 2208: <td> </td> 2209: <td align="center" valign="top"> 2210: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2211: $section_sel 2212: </select> 2213: </td> 2214: <td> </td> 2215: <td align="center" valign="top"> 2216: <select name="grouppick" multiple="multiple" size="$numvisible"> 2217: $group_sel 2218: </select> 2219: </td> 2220: <td> </td> 2221: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2222: </tr> 2223: </table> 2224: <br /> 2225: <br /> 2226: <input type="hidden" name="previous" value="$previous" /> 2227: <input type="hidden" name="applysort" value="$symb" /> 2228: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2229: END 2230: if (exists($env{'form.group'})) { 2231: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2232: } 2233: if (exists($env{'form.ref'})) { 2234: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2235: } 2236: $r->print(" 2237: <br /> 2238: <br /> 2239: </form> 2240: $end_page 2241: "); 2242: } 2243: 2244: sub print_showposters { 2245: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2246: 2247: &Apache::loncommon::content_type($r,'text/html'); 2248: $r->send_http_header; 2249: 2250: &Apache::lonenc::check_encrypt(\$symb); 2251: my $crs='/'.$env{'request.course.id'}; 2252: if ($env{'request.course.sec'}) { 2253: $crs.='_'.$env{'request.course.sec'}; 2254: } 2255: $crs=~s/\_/\//g; 2256: my $seeid; 2257: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2258: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2259: my $group = $env{'form.group'}; 2260: my $ressymb = &wrap_symb($symb); 2261: if (($group ne '') && 2262: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2263: if (&check_group_priv($group,'dgp') eq 'ok') { 2264: $seeid = 1; 2265: } 2266: } else { 2267: $seeid=&Apache::lonnet::allowed('rin',$crs); 2268: } 2269: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2270: $cdom,$cnum); 2271: my %namesort = (); 2272: my %postcounts = (); 2273: 2274: my %lt = &Apache::lonlocal::texthash( 2275: sele => 'Select', 2276: full => 'Fullname', 2277: usdo => 'Username:domain', 2278: post => 'Posts', 2279: ); 2280: if ($contrib{'version'}) { 2281: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2282: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2283: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2284: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2285: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2286: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2287: my $lastname = $names{'lastname'}; 2288: my $firstname = $names{'firstname'}; 2289: if ($lastname eq '') { 2290: $lastname = '_'; 2291: } 2292: if ($firstname eq '') { 2293: $firstname = '_'; 2294: } 2295: unless (defined($namesort{$lastname})) { 2296: %{$namesort{$lastname}} = (); 2297: } 2298: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2299: $postcounts{$poster} ++; 2300: if (defined($namesort{$lastname}{$firstname})) { 2301: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2302: push(@{$namesort{$lastname}{$firstname}}, $poster); 2303: } 2304: } else { 2305: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2306: } 2307: } 2308: } 2309: } 2310: } 2311: 2312: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2313: my $table_start =&Apache::loncommon::start_data_table(); 2314: $r->print(<<END); 2315: $start_page 2316: <form name="pickpostersform" method="post"> 2317: <br /> 2318: $table_start 2319: <tr> 2320: <th>#</th> 2321: <th>$lt{'sele'}</th> 2322: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2323: <th>$lt{'post'}</th> 2324: </tr> 2325: END 2326: my $count = 0; 2327: foreach my $last (sort(keys(%namesort))) { 2328: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2329: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2330: my ($uname,$udom) = split(/:/,$user); 2331: if (!$uname || !$udom) { 2332: next; 2333: } else { 2334: $count ++; 2335: $r->print(&Apache::loncommon::start_data_table_row(). 2336: '<td align="right">'.$count.'</td> 2337: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2338: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2339: <td>'.$postcounts{$user}.'</td>'. 2340: &Apache::loncommon::end_data_table_row()); 2341: } 2342: } 2343: } 2344: } 2345: $r->print(&Apache::loncommon::end_data_table()); 2346: my $end_page = &Apache::loncommon::end_page(); 2347: $r->print(<<END); 2348: <br /> 2349: <input type="hidden" name="sortposts" value="$sortposts" /> 2350: <input type="hidden" name="userpick" value="$symb" /> 2351: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2352: </form> 2353: $end_page 2354: END 2355: } 2356: 2357: sub get_post_versions { 2358: my ($versions,$incoming,$htmldecode,$numver) = @_; 2359: if ($incoming =~ /^<version num="0">/) { 2360: my $p = HTML::LCParser->new(\$incoming); 2361: my $done = 0; 2362: 2363: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2364: my $num = $token->[1]{num}; 2365: my $text = $p->get_text("/version"); 2366: if (defined($numver)) { 2367: if ($num == $numver) { 2368: if ($htmldecode) { 2369: $text = &HTML::Entities::decode($text); 2370: } 2371: $$versions{$numver}=$text; 2372: $done = 1; 2373: } 2374: } else { 2375: if ($htmldecode) { 2376: $text = &HTML::Entities::decode($text); 2377: } 2378: $$versions{$num}=$text; 2379: } 2380: } 2381: } else { 2382: if (!defined($numver)) { 2383: $numver = 0; 2384: } 2385: if ($htmldecode) { 2386: $$versions{$numver} = $incoming; 2387: } else { 2388: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2389: } 2390: } 2391: return; 2392: } 2393: 2394: sub get_post_attachments { 2395: my ($attachments,$attachmenturls) = @_; 2396: my $num; 2397: if ($attachmenturls =~ m/^<attachment id="0">/) { 2398: my $p = HTML::LCParser->new(\$attachmenturls); 2399: while (my $token = $p->get_tag("attachment","filename","post")) { 2400: if ($token->[0] eq "attachment") { 2401: $num = $token->[1]{id}; 2402: %{$$attachments{$num}} =(); 2403: } elsif ($token->[0] eq "filename") { 2404: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2405: } elsif ($token->[0] eq "post") { 2406: my $id = $token->[1]{id}; 2407: $$attachments{$num}{$id} = $p->get_text("/post"); 2408: } 2409: } 2410: } else { 2411: %{$$attachments{'0'}} = (); 2412: $$attachments{'0'}{'filename'} = $attachmenturls; 2413: $$attachments{'0'}{'0'} = 'n'; 2414: } 2415: 2416: return; 2417: } 2418: 2419: sub fail_redirect { 2420: my ($r,$feedurl) = @_; 2421: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2422: my %lt = &Apache::lonlocal::texthash( 2423: 'sorr' => 'Sorry, no recipients ...', 2424: ); 2425: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2426: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2427: {'redirect' => [2,$feedurl], 2428: 'only_body' => 1,})); 2429: $r->print(<<ENDFAILREDIR); 2430: <img align="right" src="$logo" /> 2431: <b>$lt{'sorr'}</b> 2432: ENDFAILREDIR 2433: $r->print(&Apache::loncommon::end_page()); 2434: } 2435: 2436: sub redirect_back { 2437: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2438: my $sorttag = ''; 2439: my $roletag = ''; 2440: my $statustag = ''; 2441: my $sectag = ''; 2442: my $grptag = ''; 2443: my $userpicktag = ''; 2444: my $qrystr = ''; 2445: my $prevtag = ''; 2446: 2447: &Apache::loncommon::content_type($r,'text/html'); 2448: $r->send_http_header; 2449: &dewrapper(\$feedurl); 2450: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2451: if ($previous > 0) { 2452: $qrystr = 'previous='.$previous; 2453: if ($feedurl =~ /\?register=1/) { 2454: $feedurl .= '&'.$qrystr; 2455: } else { 2456: $feedurl .= '?'.$qrystr; 2457: } 2458: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2459: } 2460: if (defined($sort)) { 2461: my $sortqry = 'sortposts='.$sort; 2462: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2463: $feedurl .= '&'.$sortqry; 2464: } else { 2465: $feedurl .= '?'.$sortqry; 2466: } 2467: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2468: if (defined($numpicks)) { 2469: my $userpickqry = 'totposters='.$numpicks; 2470: $feedurl .= '&'.$userpickqry; 2471: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2472: } else { 2473: if (ref($sectionpick) eq 'ARRAY') { 2474: $feedurl .= '&sectionpick='; 2475: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2476: foreach my $sec (@{$sectionpick}) { 2477: $feedurl .= $sec.','; 2478: $sectag .= $sec.','; 2479: } 2480: $feedurl =~ s/,$//; 2481: $sectag =~ s/,$//; 2482: $sectag .= '" />'; 2483: } else { 2484: $feedurl .= '&sectionpick='.$sectionpick; 2485: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2486: } 2487: if (ref($grouppick) eq 'ARRAY') { 2488: $feedurl .= '&grouppick='; 2489: $sectag .= '<input type="hidden" name="grouppick" value="'; 2490: foreach my $grp (@{$grouppick}) { 2491: $feedurl .= $grp.','; 2492: $grptag .= $grp.','; 2493: } 2494: $feedurl =~ s/,$//; 2495: $grptag =~ s/,$//; 2496: $grptag .= '" />'; 2497: } else { 2498: $feedurl .= '&grouppick='.$grouppick; 2499: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2500: } 2501: if (ref($rolefilter) eq 'ARRAY') { 2502: $feedurl .= '&rolefilter='; 2503: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2504: foreach my $role (@{$rolefilter}) { 2505: $feedurl .= $role.','; 2506: $roletag .= $role.','; 2507: } 2508: $feedurl =~ s/,$//; 2509: $roletag =~ s/,$//; 2510: $roletag .= '" />'; 2511: } else { 2512: $feedurl .= '&rolefilter='.$rolefilter; 2513: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2514: } 2515: $feedurl .= '&statusfilter='.$statusfilter; 2516: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2517: } 2518: } 2519: my $grouptag; 2520: if ($group ne '') { 2521: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2522: my $refarg; 2523: if (exists($env{'form.ref'})) { 2524: $refarg = '&ref='.$env{'form.ref'}; 2525: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2526: } 2527: if ($feedurl =~ /\?/) { 2528: $feedurl .= '&group='.$group.$refarg; 2529: } else { 2530: $feedurl .= '?group='.$group.$refarg; 2531: } 2532: } 2533: &Apache::lonenc::check_encrypt(\$feedurl); 2534: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2535: my %onload; 2536: my $start_page= 2537: &Apache::loncommon::start_page('Feedback sent',undef, 2538: {'redirect' => [0,$feedurl], 2539: 'only_body' => 1, 2540: 'add_entries' => \%onload}); 2541: my $end_page = &Apache::loncommon::end_page(); 2542: $r->print(<<ENDREDIR); 2543: $start_page 2544: <img align="right" src="$logo" /> 2545: $typestyle 2546: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2547: $blog 2548: $toolarge 2549: <font color="red">$status</font> 2550: <form name="reldt" action="$feedurl" target="loncapaclient"> 2551: $prevtag 2552: $sorttag 2553: $statustag 2554: $roletag 2555: $sectag 2556: $grptag 2557: $userpicktag 2558: $grouptag 2559: </form> 2560: $end_page 2561: ENDREDIR 2562: } 2563: 2564: sub no_redirect_back { 2565: my ($r,$feedurl) = @_; 2566: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2567: 2568: my %onload; 2569: 2570: my %body_options = ('only_body' => 1, 2571: 'bgcolor' => '#FFFFFF', 2572: 'add_entries' => \%onload,); 2573: 2574: if ($feedurl !~ m{^/adm/feedback}) { 2575: $body_options{'rediect'} = [2,$feedurl]; 2576: } 2577: my $start_page= 2578: &Apache::loncommon::start_page('Feedback not sent',undef, 2579: \%body_options); 2580: 2581: my $end_page = &Apache::loncommon::end_page(); 2582: 2583: &Apache::lonenc::check_encrypt(\$feedurl); 2584: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2585: $r->print (<<ENDNOREDIRTWO); 2586: $start_page 2587: <img align="right" src="$logo" /> 2588: <b>$nofeed</b> 2589: <br /> 2590: $end_page 2591: ENDNOREDIRTWO 2592: } 2593: 2594: sub screen_header { 2595: my ($feedurl,$symb) = @_; 2596: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2597: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2598: my $contribdisc = &mt('Contribution to course discussion of resource'); 2599: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2600: my $namevis = &mt('name only visible to course faculty'); 2601: my $crstype; 2602: if ($env{'request.course.id'}) { 2603: $crstype = &Apache::loncommon::course_type(); 2604: if ($crstype eq 'Community') { 2605: $crscontent = &mt('Question/Comment/Feedback about community content'); 2606: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2607: $contribdisc = &mt('Contribution to community discussion of resource'); 2608: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2609: $namevis = &mt('name only visible to community facilitators'); 2610: } 2611: } 2612: my $msgoptions=''; 2613: my $discussoptions=''; 2614: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2615: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2616: $msgoptions= 2617: '<p><label><input type="radio" name="discuss" value="author" /> '. 2618: &mt('Feedback to resource author').'</label></p>'; 2619: } 2620: my %optionhash=(); 2621: foreach my $type ('question','comment','policy') { 2622: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2623: } 2624: if (&feedback_available(1)) { 2625: $msgoptions.= 2626: '<p><label><input type="radio" name="discuss" value="question" /> '. 2627: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2628: } 2629: if (&feedback_available(0,1)) { 2630: $msgoptions.= 2631: '<p><label><input type="radio" name="discuss" value="course" /> '. 2632: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2633: '</label></p>'; 2634: } 2635: if (&feedback_available(0,0,1)) { 2636: $msgoptions.= 2637: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2638: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2639: '</label></p>'; 2640: } 2641: } 2642: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2643: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2644: if (!$blocked && &discussion_open(undef,$symb) && 2645: &Apache::lonnet::allowed('pch', 2646: $env{'request.course.id'}. 2647: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2648: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2649: $contribdisc. 2650: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2651: $anoncontrib. 2652: ' <i>('.$namevis.')</i></label> '. 2653: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2654: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2655: if (!$blockblog) { 2656: $discussoptions.= &add_blog_checkbox($crstype); 2657: } 2658: } 2659: } 2660: if ($msgoptions) { 2661: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2662: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2663: .$msgoptions; 2664: } 2665: if ($discussoptions) { 2666: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2667: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2668: .$discussoptions; 2669: } 2670: return $msgoptions.$discussoptions; 2671: } 2672: 2673: sub resource_output { 2674: my ($feedurl) = @_; 2675: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2676: $usersaw=~s/\<body[^\>]*\>//gi; 2677: $usersaw=~s/\<\/body\>//gi; 2678: $usersaw=~s/\<html\>//gi; 2679: $usersaw=~s/\<\/html\>//gi; 2680: $usersaw=~s/\<head\>//gi; 2681: $usersaw=~s/\<\/head\>//gi; 2682: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2683: return $usersaw; 2684: } 2685: 2686: sub clear_out_html { 2687: my ($message,$override)=@_; 2688: # Always allow the <m>-tag 2689: my %html=(M=>1); 2690: # Check if more is allowed 2691: my $cid=$env{'request.course.id'}; 2692: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2693: ($override)) { 2694: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2695: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2696: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2697: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2698: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2699: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2700: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2701: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2702: } 2703: # Do the substitution of everything that is not explicitly allowed 2704: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2705: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2706: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2707: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2708: return $message; 2709: } 2710: 2711: sub assemble_email { 2712: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2713: my %lt = &Apache::lonlocal::texthash( 2714: 'prev' => 'Previous attempts of student (if applicable)', 2715: 'orig' => 'Original screen output (if applicable)', 2716: 'corr' => 'Correct Answer(s) (if applicable)', 2717: ); 2718: if (&Apache::loncommon::course_type() eq 'Community') { 2719: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2720: } 2721: my $email=<<"ENDEMAIL"; 2722: $message 2723: ENDEMAIL 2724: my $citations=<<"ENDCITE"; 2725: <h2>$lt{'prev'}</h2> 2726: $prevattempts 2727: <br /><hr /> 2728: <h2>$lt{'orig'}</h2> 2729: $usersaw 2730: <h2>$lt{'corr'}</h2> 2731: $useranswer 2732: ENDCITE 2733: return ($email,$citations); 2734: } 2735: 2736: 2737: sub feedback_available { 2738: my ($question,$course,$policy)=@_; 2739: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2740: $course,$policy); 2741: return scalar(%to); 2742: } 2743: 2744: sub send_msg { 2745: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2746: my $status=''; 2747: my $sendsomething=0; 2748: my $restitle = &get_resource_title($symb,$feedurl); 2749: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2750: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2751: foreach my $key (keys(%to)) { 2752: if ($key) { 2753: my ($user,$domain) = split(/\:/,$key,2); 2754: if (!defined($user)) { 2755: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2756: } elsif (!defined($domain)) { 2757: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2758: } else { 2759: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2760: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2761: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2762: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2763: } else { 2764: $sendsomething++; 2765: } 2766: } 2767: } 2768: } 2769: 2770: 2771: my %record=&Apache::lonnet::restore('_feedback'); 2772: my ($temp)=keys(%record); 2773: unless ($temp=~/^error\:/) { 2774: my %newrecord=(); 2775: $newrecord{'resource'}=$feedurl; 2776: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2777: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2778: $status.='<br />'.&mt('Not registered').'<br />'; 2779: } 2780: } 2781: 2782: return ($status,$sendsomething); 2783: } 2784: 2785: sub adddiscuss { 2786: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2787: my $status=''; 2788: my $realsymb; 2789: if ($symb=~/^bulletin___/) { 2790: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2791: $filename=~s|^adm/wrapper/||; 2792: $realsymb=&Apache::lonnet::symbread($filename); 2793: } 2794: if (&discussion_open(undef,$realsymb) && 2795: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2796: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2797: 2798: my %contrib=('message' => $email, 2799: 'sendername' => $env{'user.name'}, 2800: 'senderdomain' => $env{'user.domain'}, 2801: 'screenname' => $env{'environment.screenname'}, 2802: 'plainname' => $env{'environment.firstname'}.' '. 2803: $env{'environment.middlename'}.' '. 2804: $env{'environment.lastname'}.' '. 2805: $env{'enrironment.generation'}, 2806: 'attachmenturl'=> $attachmenturl, 2807: 'subject' => $subject); 2808: if ($env{'form.replydisc'}) { 2809: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2810: } 2811: if ($anon) { 2812: $contrib{'anonymous'}='true'; 2813: } 2814: if (($symb) && ($email)) { 2815: my $now = time; 2816: if ($env{'form.editdisc'}) { 2817: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2818: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2819: $contrib{'timestamp'} = $now; 2820: $contrib{'history'} = ''; 2821: my $numoldver = 0; 2822: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2823: &Apache::lonenc::check_decrypt(\$oldsymb); 2824: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2825: # get timestamp for last post and history 2826: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2827: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2828: $env{'course.'.$env{'request.course.id'}.'.num'}); 2829: if (defined($oldcontrib{$oldidx.':replyto'})) { 2830: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2831: } 2832: if (defined($oldcontrib{$oldidx.':history'})) { 2833: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2834: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2835: $numoldver = @oldversions; 2836: } else { 2837: $numoldver = 1; 2838: } 2839: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2840: } 2841: my $numnewver = $numoldver + 1; 2842: if (defined($oldcontrib{$oldidx.':subject'})) { 2843: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2844: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2845: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2846: } else { 2847: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2848: } 2849: } 2850: if (defined($oldcontrib{$oldidx.':message'})) { 2851: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2852: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2853: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2854: } else { 2855: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2856: } 2857: } 2858: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2859: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2860: $oldsymb,$oldidx,\%contrib, 2861: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2862: $env{'course.'.$env{'request.course.id'}.'.num'}); 2863: $status='Editing class discussion'.($anon?' (anonymous)':''); 2864: } else { 2865: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2866: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2867: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2868: $env{'course.'.$env{'request.course.id'}.'.num'}); 2869: } 2870: my %storenewentry=($symb => $now); 2871: $status.='<br />'.&mt('Updating discussion time').': '. 2872: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2873: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2874: $env{'course.'.$env{'request.course.id'}.'.num'}); 2875: } 2876: my %record=&Apache::lonnet::restore('_discussion'); 2877: my ($temp)=keys(%record); 2878: unless ($temp=~/^error\:/) { 2879: my %newrecord=(); 2880: $newrecord{'resource'}=$symb; 2881: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2882: $status.='<br />'.&mt('Registering').': '. 2883: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2884: } 2885: } else { 2886: $status.='Failed.'; 2887: } 2888: return $status.'<br />'; 2889: } 2890: 2891: sub get_discussion_info { 2892: my ($idx,%contrib) = @_; 2893: my $changelast = 0; 2894: my $count = 0; 2895: my $hiddenflag = 0; 2896: my $deletedflag = 0; 2897: my ($hidden,$deleted,%info,$newlastdisc); 2898: my $version = $contrib{'version'}; 2899: if ($version) { 2900: for (my $id=$version; $id>0; $id--) { 2901: my $vkeys=$contrib{$id.':keys'}; 2902: my @keys=split(/:/,$vkeys); 2903: if (grep(/^hidden$/,@keys)) { 2904: if (!$hiddenflag) { 2905: $hidden = $contrib{$id.':hidden'}; 2906: $hiddenflag = 1; 2907: } 2908: } elsif (grep(/^deleted$/,@keys)) { 2909: if (!$deletedflag) { 2910: $deleted = $contrib{$id.':deleted'}; 2911: $deletedflag = 1; 2912: } 2913: } else { 2914: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2915: $count++; 2916: $info{$count}{'id'} = $id; 2917: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2918: } 2919: } 2920: } 2921: if ($info{'1'}{'id'} == $idx) { 2922: $changelast = 1; 2923: if ($count > 1) { 2924: $newlastdisc = $info{'2'}{'timestamp'}; 2925: } else { 2926: $newlastdisc = 0; 2927: } 2928: } 2929: } 2930: return ($changelast,$newlastdisc); 2931: } 2932: 2933: # ----------------------------------------------------------- Preview function 2934: 2935: sub show_preview { 2936: my ($r) = @_; 2937: &Apache::loncommon::content_type($r,'text/html'); 2938: $r->send_http_header; 2939: my $start_page= 2940: &Apache::loncommon::start_page('Preview',undef, 2941: {'only_body' => 1,}); 2942: 2943: my $message=&clear_out_html($env{'form.comment'}); 2944: &newline_to_br(\$message); 2945: $message=&Apache::lonspeller::markeduptext($message); 2946: $message=&Apache::lontexconvert::msgtexconverted($message); 2947: my $subject=&clear_out_html($env{'form.subject'}); 2948: $subject=~s/\n/\<br \/\>/g; 2949: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2950: 2951: my $end_page = &Apache::loncommon::end_page(); 2952: 2953: $r->print($start_page 2954: .'<h1>'.&mt('Preview').'</h1>' 2955: .&Apache::lonhtmlcommon::start_pick_box() 2956: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2957: .$subject 2958: .&Apache::lonhtmlcommon::row_closure() 2959: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2960: .$message 2961: .&Apache::lonhtmlcommon::row_closure(1) 2962: .&Apache::lonhtmlcommon::end_pick_box() 2963: .$end_page 2964: ); 2965: } 2966: 2967: sub contains_block_html { 2968: my ($message)=@_; 2969: return ($message =~ m{ 2970: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 2971: \s* 2972: (\w+\=['"]\w+['"])* 2973: \s* 2974: ( 2975: \s*/>| 2976: >.*</\1\s*> 2977: )}xs 2978: ); 2979: } 2980: 2981: sub tidy_html { 2982: my ($message)=@_; 2983: # my $tidy = HTML::Tidy::libXML->new(); 2984: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 2985: # $xhtml =~ m/<body>(.*)<\/body>/is; 2986: # my $clean = $1; 2987: # # remove any empty block-level tags 2988: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 2989: # $message=$clean; 2990: return $message; 2991: } 2992: 2993: sub newline_to_br { 2994: my ($message)=@_; 2995: my $newmessage; 2996: my $parser=HTML::LCParser->new($message); 2997: while (my $token=$parser->get_token()) { 2998: if ($token->[0] eq 'T') { 2999: my $text=$token->[1]; 3000: $text=~s/\n/\<br \/\>/g; 3001: $newmessage.=$text; 3002: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3003: $newmessage.=$token->[1]; 3004: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3005: $newmessage.=$token->[2]; 3006: } elsif ($token->[0] eq 'S') { 3007: $newmessage.=$token->[4]; 3008: } 3009: 3010: } 3011: $$message=$newmessage; 3012: } 3013: 3014: sub generate_preview_button { 3015: my ($formname,$fieldname)=@_; 3016: unless ($formname) { $formname='mailform'; } 3017: unless ($fieldname) { $fieldname='comment'; } 3018: my $pre=&mt("Show Preview and Check Spelling"); 3019: return(<<ENDPREVIEW); 3020: <br /> 3021: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3022: <input type="hidden" name="subject" /> 3023: <input type="hidden" name="comment" /> 3024: <input type="button" value="$pre" 3025: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3026: </form> 3027: ENDPREVIEW 3028: } 3029: 3030: sub modify_attachments { 3031: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3032: $attachmaxtext,$toolarge)=@_; 3033: 3034: my %lt = &Apache::lonlocal::texthash( 3035: 'subj' => 'Subject', 3036: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3037: 'chth' => 'Check the checkboxes for any you wish to remove.', 3038: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3039: 'adda' => 'Add a new attachment to this post.', 3040: 'stch' => 'Save Changes', 3041: ); 3042: my $js = <<END; 3043: <script type="text/javascript"> 3044: function setAction () { 3045: document.modattachments.action = document.modattachments.origpage.value; 3046: document.modattachments.submit(); 3047: } 3048: </script> 3049: END 3050: 3051: # Breadcrumbs 3052: my $brcrum = [{'href' => '', 3053: 'text' => 'Discussion Post Attachments'}]; 3054: my $start_page = 3055: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3056: {'bread_crumbs' => $brcrum,}); 3057: 3058: my $orig_subject = &unescape($env{'form.subject'}); 3059: my $subject=&clear_out_html($orig_subject); 3060: $subject=~s/\n/\<br \/\>/g; 3061: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3062: my $timestamp=$env{'form.timestamp'}; 3063: my $numoldver=$env{'form.numoldver'}; 3064: 3065: my $msg = ''; 3066: my %attachments = (); 3067: my %currattach = (); 3068: if ($idx) { 3069: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3070: } 3071: &Apache::lonenc::check_encrypt(\$symb); 3072: 3073: my $end_page = 3074: &Apache::loncommon::end_page(); 3075: 3076: $r->print(<<END); 3077: $start_page 3078: $toolarge 3079: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3080: <br /> 3081: <table class="LC_data_table"> 3082: <tr> 3083: <td colspan="2"> 3084: <b>Subject:</b> <b>$subject</b><br /><br /> 3085: END 3086: if ($idx) { 3087: if ($attachmenturls) { 3088: my @currold = keys(%currattach); 3089: if (@currold > 0) { 3090: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3091: foreach my $id (@currold) { 3092: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3093: $attachurl =~ m#/([^/]+)$#; 3094: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3095: } 3096: $r->print("<br />"); 3097: } 3098: } 3099: } 3100: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3101: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3102: foreach my $attach (@{$currnewattach}) { 3103: $attach =~ m#/([^/]+)$#; 3104: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3105: } 3106: $r->print("<br />"); 3107: } 3108: $r->print(<<END); 3109: </td></tr> 3110: <tr> 3111: <td> 3112: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3113: </td> 3114: </tr> 3115: <tr> 3116: <td colspan="2">$attachmaxtext</td> 3117: </tr> 3118: </table> 3119: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3120: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3121: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3122: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3123: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3124: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3125: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3126: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3127: END 3128: foreach my $item (@{$currnewattach}) { 3129: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3130: } 3131: foreach my $item (@{$currdelold}) { 3132: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3133: } 3134: $r->print(<<END); 3135: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3136: </form> 3137: $end_page 3138: END 3139: return; 3140: } 3141: 3142: sub process_attachments { 3143: my ($currnewattach,$currdelold,$keepold) = @_; 3144: 3145: @{$currnewattach}= 3146: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3147: @{$currdelold}= 3148: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3149: if (exists($env{'form.delnewattach'})) { 3150: my @currdelnew = 3151: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3152: my @currnew = (); 3153: foreach my $newone (@{$currnewattach}) { 3154: my $delflag = 0; 3155: foreach my $item (@currdelnew) { 3156: if ($newone eq $item) { 3157: $delflag = 1; 3158: last; 3159: } 3160: } 3161: unless ($delflag) { 3162: push(@currnew, $newone); 3163: } 3164: } 3165: @{$currnewattach} = @currnew; 3166: } 3167: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3168: } 3169: 3170: sub generate_attachments_button { 3171: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3172: $numoldver,$mode,$blockblog) = @_; 3173: my $origpage = $ENV{'REQUEST_URI'}; 3174: my $att=$attachnum.' '.&mt("attachments"); 3175: my %lt = &Apache::lonlocal::texthash( 3176: 'clic' => 'Click to add/remove attachments', 3177: ); 3178: my $response = (<<END); 3179: <br /> 3180: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3181: $lt{'clic'}: <input type="button" value="$att" 3182: 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); 3183: END 3184: if (!$blockblog) { 3185: $response .= 'setblogvalue();'; 3186: } 3187: unless ($mode eq 'board') { 3188: $response .= 'javascript:anonchk();'; 3189: } 3190: $response .= (<<ENDATTACH); 3191: this.form.submit();" /> 3192: <input type="hidden" name="origpage" value="$origpage" /> 3193: <input type="hidden" name="idx" value="$idx" /> 3194: <input type="hidden" name="timestamp" value="$now" /> 3195: <input type="hidden" name="subject" /> 3196: <input type="hidden" name="comment" /> 3197: <input type="hidden" name="blog" value="0" /> 3198: <input type="hidden" name="discuss" value="0" /> 3199: <input type="hidden" name="numoldver" value="$numoldver" /> 3200: ENDATTACH 3201: if (defined($deloldattach)) { 3202: if (@{$deloldattach} > 0) { 3203: foreach my $delatt (@{$deloldattach}) { 3204: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3205: } 3206: } 3207: } 3208: if (defined($currnewattach)) { 3209: if (@{$currnewattach} > 0) { 3210: foreach my $attach (@{$currnewattach}) { 3211: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3212: } 3213: } 3214: } 3215: $response .= '</form>'; 3216: return $response; 3217: } 3218: 3219: sub extract_attachments { 3220: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3221: %{$attachments}=(); 3222: &get_post_attachments($attachments,$attachmenturls); 3223: foreach my $id (sort(keys(%{$attachments}))) { 3224: if (exists($$attachments{$id}{$numoldver})) { 3225: if (defined($currdelold)) { 3226: if (@{$currdelold} > 0) { 3227: unless (grep/^$id$/,@{$currdelold}) { 3228: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3229: } 3230: } else { 3231: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3232: } 3233: } else { 3234: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3235: } 3236: } 3237: } 3238: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3239: if (@attached == 1) { 3240: my $id = $attached[0]; 3241: my $attachurl; 3242: if ($attachmenturls =~ m/^<attachment id="0">/) { 3243: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3244: } else { 3245: $attachurl = $$attachments{$id}{'filename'}; 3246: } 3247: $attachurl=~m|/([^/]+)$|; 3248: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3249: $1.'</tt></a><br />'; 3250: &Apache::lonnet::allowuploaded('/adm/feedback', 3251: $attachurl); 3252: } elsif (@attached > 1) { 3253: $$message.='<ol>'; 3254: foreach my $attach (@attached) { 3255: my $id = $attach; 3256: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3257: my ($fname) 3258: =($attachurl=~m|/([^/]+)$|); 3259: $$message .= '<li><a href="'.$attachurl. 3260: '"><tt>'. 3261: $fname.'</tt></a></li>'; 3262: &Apache::lonnet::allowuploaded('/adm/feedback', 3263: $attachurl); 3264: } 3265: $$message .= '</ol>'; 3266: } 3267: } 3268: 3269: sub construct_attachmenturl { 3270: my ($currnewattach,$keepold,$symb,$idx)=@_; 3271: my $oldattachmenturl; 3272: my $newattachmenturl; 3273: my $startnum = 0; 3274: my $currver = 0; 3275: if (($env{'form.editdisc'}) && ($idx)) { 3276: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3277: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3278: $env{'course.'.$env{'request.course.id'}.'.num'}); 3279: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3280: if ($contrib{$idx.':history'}) { 3281: if ($contrib{$idx.':history'} =~ /:/) { 3282: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3283: $currver = 1 + scalar(@oldversions); 3284: } else { 3285: $currver = 2; 3286: } 3287: } else { 3288: $currver = 1; 3289: } 3290: if ($oldattachmenturl) { 3291: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3292: my %attachments = (); 3293: my $prevver = $currver-1; 3294: &get_post_attachments(\%attachments,$oldattachmenturl); 3295: my $numattach = scalar(keys(%attachments)); 3296: $startnum += $numattach; 3297: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3298: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3299: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3300: unless ($item eq 'filename') { 3301: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3302: } 3303: } 3304: if (grep/^$num$/,@{$keepold}) { 3305: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3306: } 3307: $newattachmenturl .= '</attachment>'; 3308: } 3309: } else { 3310: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3311: unless (grep/^0$/,@{$keepold}) { 3312: $newattachmenturl .= '<post id="1">n</post>'; 3313: } 3314: $newattachmenturl .= '</attachment>'; 3315: $startnum ++; 3316: } 3317: } 3318: } 3319: for (my $i=0; $i<@{$currnewattach}; $i++) { 3320: my $attachnum = $startnum + $i; 3321: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3322: } 3323: return $newattachmenturl; 3324: } 3325: 3326: sub add_blog_checkbox { 3327: my ($crstype) = @_; 3328: my $checkstatus; 3329: if ($env{'form.blog'}) { 3330: $checkstatus = 'checked="checked"'; 3331: } 3332: my $output = ' 3333: <script type="text/javascript"> 3334: function setblogvalue() { 3335: if (document.mailform.blog.checked) { 3336: document.attachment.blog.value = 1; 3337: } else { 3338: document.attachment.blog.value = 0; 3339: } 3340: } 3341: </script><br /> 3342: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3343: if ($crstype eq 'Community') { 3344: $output .= &mt('Add to my public community blog'); 3345: } else { 3346: $output .= &mt('Add to my public course blog'); 3347: } 3348: $output .= '</label><br />'."\n"; 3349: return $output; 3350: } 3351: 3352: sub has_discussion { 3353: my $resourcesref = shift; 3354: my $navmap = Apache::lonnavmaps::navmap->new(); 3355: if (defined($navmap)) { 3356: my @allres=$navmap->retrieveResources(); 3357: foreach my $resource (@allres) { 3358: if ($resource->hasDiscussion()) { 3359: my $ressymb = $resource->wrap_symb(); 3360: if (ref($resourcesref) eq 'ARRAY') { 3361: push(@{$resourcesref}, $ressymb); 3362: } 3363: } 3364: } 3365: } else { 3366: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3367: } 3368: return; 3369: } 3370: 3371: sub sort_filter_names { 3372: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3373: if (ref($sort_types) eq 'HASH') { 3374: %{$sort_types} = ( 3375: ascdate => 'Date order - oldest first', 3376: descdate => 'Date order - newest first', 3377: thread => 'Threaded', 3378: subject => 'By subject', 3379: username => 'By domain and username', 3380: lastfirst => 'By last name, first name' 3381: ); 3382: } 3383: my @courseroles = qw(st in ta ep ad); 3384: if ($crstype eq 'Community') { 3385: push(@courseroles,'co'); 3386: } else { 3387: push(@courseroles,'cc'); 3388: } 3389: if (ref($role_types) eq 'HASH') { 3390: foreach my $role (@courseroles) { 3391: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3392: } 3393: $role_types->{'all'} = 'All roles'; 3394: $role_types->{'cr'} = 'Custom role'; 3395: } 3396: if (ref($status_types) eq 'HASH') { 3397: %{$status_types} = ( 3398: all => 'Roles of any status', 3399: Active => 'Only active roles', 3400: Expired => 'Only past roles', 3401: Future => 'Only future roles', 3402: ); 3403: } 3404: } 3405: 3406: sub handler { 3407: my $r = shift; 3408: if ($r->header_only) { 3409: &Apache::loncommon::content_type($r,'text/html'); 3410: $r->send_http_header; 3411: return OK; 3412: } 3413: 3414: # --------------------------- Get query string for limited number of parameters 3415: 3416: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3417: ['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','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); 3418: my $group = $env{'form.group'}; 3419: my %attachmax = ( 3420: text => &mt('(128 KB max size)'), 3421: num => 131072, 3422: ); 3423: if ($env{'form.editdisc'}) { 3424: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3425: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3426: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3427: my $feedurl=&Apache::lonnet::clutter($url); 3428: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3429: undef,undef,undef,$group); 3430: return OK; 3431: } 3432: } 3433: if ($env{'form.discsymb'}) { 3434: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3435: my $readkey = $symb.'_read'; 3436: my $chgcount = 0; 3437: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3438: foreach my $key (keys(%env)) { 3439: if ($key =~ m/^form\.postunread_(\d+)/) { 3440: if ($readinghash{$readkey} =~ /\.$1\./) { 3441: $readinghash{$readkey} =~ s/\.$1\.//; 3442: $chgcount ++; 3443: } 3444: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3445: unless ($readinghash{$readkey} =~ /\.$1\./) { 3446: $readinghash{$readkey} .= '.'.$1.'.'; 3447: $chgcount ++; 3448: } 3449: } 3450: } 3451: if ($chgcount > 0) { 3452: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3453: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3454: } 3455: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3456: '0','0','','',$env{'form.previous'},'','','', 3457: undef,undef,undef,$group); 3458: return OK; 3459: } 3460: if ($env{'form.allversions'}) { 3461: &Apache::loncommon::content_type($r,'text/html'); 3462: &Apache::loncommon::no_cache($r); 3463: $r->send_http_header; 3464: 3465: # Breadcrumbs 3466: my $brcrum = [{'href' => '', 3467: 'text' => 'Discussion Post Versions'}]; 3468: 3469: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3470: {'bread_crumbs' => $brcrum,}) 3471: ); 3472: 3473: my $crs='/'.$env{'request.course.id'}; 3474: if ($env{'request.course.sec'}) { 3475: $crs.='_'.$env{'request.course.sec'}; 3476: } 3477: $crs=~s|_|/|g; 3478: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3479: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3480: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3481: ($symb)=&get_feedurl_and_clean_symb($symb); 3482: my $ressymb = &wrap_symb($symb); 3483: my $group = $env{'form.group'}; 3484: my $seeid; 3485: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3486: if (&check_group_priv($group,'dgp') eq 'ok') { 3487: $seeid = 1; 3488: } 3489: } else { 3490: $seeid = &Apache::lonnet::allowed('rin',$crs); 3491: } 3492: if ($idx > 0) { 3493: my %messages = (); 3494: my %subjects = (); 3495: my %attachmsgs = (); 3496: my %allattachments = (); 3497: my %imsfiles = (); 3498: my ($screenname,$plainname); 3499: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3500: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3501: $env{'course.'.$env{'request.course.id'}.'.num'}); 3502: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3503: } 3504: $r->print(&Apache::loncommon::end_page()); 3505: return OK; 3506: } 3507: if ($env{'form.posterlist'}) { 3508: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3509: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3510: $env{'form.sortposts'}); 3511: return OK; 3512: } 3513: if ($env{'form.userpick'}) { 3514: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3515: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3516: my $numpicks = @posters; 3517: my %discinfo; 3518: $discinfo{$symb.'_userpick'} = join('&',@posters); 3519: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3520: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3521: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3522: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3523: '',$numpicks,$group); 3524: return OK; 3525: } 3526: if ($env{'form.applysort'}) { 3527: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3528: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3529: '',$env{'form.previous'},$env{'form.sortposts'}, 3530: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3531: $env{'form.sectionpick'},$env{'form.grouppick'}, 3532: undef,$group); 3533: return OK; 3534: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3535: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3536: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3537: return OK; 3538: } elsif ($env{'form.navtime'}) { 3539: my %discinfo = (); 3540: my @resources = (); 3541: if (defined($env{'form.navmaps'})) { 3542: if ($env{'form.navmaps'} =~ /:/) { 3543: @resources = split(/:/,$env{'form.navmaps'}); 3544: } else { 3545: @resources = ("$env{'form.navmaps'}"); 3546: } 3547: } else { 3548: &has_discussion(\@resources); 3549: } 3550: my $numitems = @resources; 3551: my $feedurl = '/adm/navmaps'; 3552: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3553: my %lt = &Apache::lonlocal::texthash( 3554: 'mnpa' => 'Marked "New" posts as read in a total of', 3555: 'robb' => 'resources/bulletin boards.', 3556: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3557: ); 3558: foreach my $res (@resources) { 3559: my $ressymb=$res; 3560: &Apache::lonenc::check_decrypt(\$ressymb); 3561: my $lastkey = $ressymb.'_lastread'; 3562: $discinfo{$lastkey} = $env{'form.navtime'}; 3563: } 3564: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3565: if ($numitems > 0) { 3566: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3567: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3568: } else { 3569: $textline = "<b>$lt{'twnp'}</b>"; 3570: } 3571: &Apache::loncommon::content_type($r,'text/html'); 3572: $r->send_http_header; 3573: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3574: my %onload; 3575: 3576: my $start_page= 3577: &Apache::loncommon::start_page('New posts marked as read',undef, 3578: {'redirect' => [2,$feedurl], 3579: 'only_body' => 1, 3580: 'add_entries' => \%onload}); 3581: my $end_page = &Apache::loncommon::end_page(); 3582: $r->print (<<ENDREDIR); 3583: $start_page 3584: <img align="right" src="$logo" /> 3585: $textline 3586: <form name="reldt" action="$feedurl" target="loncapaclient"> 3587: </form> 3588: <br /> 3589: $end_page 3590: ENDREDIR 3591: return OK; 3592: } elsif ($env{'form.modifydisp'}) { 3593: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3594: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3595: split(/_/,$env{'form.changes'}); 3596: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3597: $dispchgB,$markchg,$toggchg,$feedurl); 3598: return OK; 3599: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3600: $env{'form.allposts'} || $env{'form.onlyunread'} || 3601: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3602: $env{'form.toggon'} || $env{'form.markread'}) { 3603: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3604: my %discinfo; 3605: # ------------------------ Modify setting for read/unread toggle for each post 3606: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3607: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3608: # --------- Modify setting for identification of 'NEW' posts in this discussion 3609: if ($env{'form.markondisp'}) { 3610: $discinfo{$symb.'_lastread'} = time; 3611: $discinfo{$symb.'_markondisp'} = 1; 3612: } 3613: if ($env{'form.markonread'}) { 3614: if ( $env{'form.previous'} > 0 ) { 3615: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3616: } 3617: $discinfo{$symb.'_markondisp'} = 0; 3618: } 3619: # --------------------------------- Modify display setting for this discussion 3620: if ($env{'form.allposts'}) { 3621: $discinfo{$symb.'_showonlyunread'} = 0; 3622: $discinfo{$symb.'_showonlyunmark'} = 0; 3623: } 3624: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3625: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3626: # ----------------------------------------------------- Mark new posts not NEW 3627: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3628: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3629: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3630: my $previous=$env{'form.previous'}; 3631: if ($env{'form.markondisp'}) { $previous=undef; } 3632: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3633: '0','0','','',$previous,'','','','','','',$group); 3634: return OK; 3635: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3636: # ----------------------------------------------------------------- Hide/unhide 3637: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3638: my ($symb,$idx)=split(/\:\:\:/,$entry); 3639: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3640: 3641: my $crs='/'.$env{'request.course.id'}; 3642: if ($env{'request.course.sec'}) { 3643: $crs.='_'.$env{'request.course.sec'}; 3644: } 3645: $crs=~s/\_/\//g; 3646: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3647: 3648: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3649: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3650: undef,undef,$group,); 3651: return OK; 3652: } 3653: 3654: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3655: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3656: $env{'course.'.$env{'request.course.id'}.'.num'}); 3657: 3658: my $currenthidden=$contrib{'hidden'}; 3659: my $currentstudenthidden=$contrib{'studenthidden'}; 3660: 3661: if ($env{'form.hide'}) { 3662: $currenthidden.='.'.$idx.'.'; 3663: unless ($seeid) { 3664: $currentstudenthidden.='.'.$idx.'.'; 3665: } 3666: } else { 3667: $currenthidden=~s/\.$idx\.//g; 3668: } 3669: my %newhash=('hidden' => $currenthidden); 3670: if ( ($env{'form.hide'}) && (!$seeid) ) { 3671: $newhash{'studenthidden'} = $currentstudenthidden; 3672: } 3673: if ($env{'form.hide'}) { 3674: my $changelast = 0; 3675: my $newlast; 3676: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3677: if ($changelast) { 3678: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3679: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3680: $env{'course.'.$env{'request.course.id'}.'.num'}); 3681: } 3682: } 3683: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3684: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3685: $env{'course.'.$env{'request.course.id'}.'.num'}); 3686: 3687: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3688: '0','0','','',$env{'form.previous'},undef,undef,undef, 3689: undef,undef,undef,$group); 3690: return OK; 3691: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3692: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3693: if ($env{'form.cmd'} eq 'threadedon') { 3694: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3695: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3696: } else { 3697: &Apache::lonnet::del('environment',['threadeddiscussion']); 3698: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3699: } 3700: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3701: '0','0','','',$env{'form.previous'},undef,undef,undef, 3702: undef,undef,undef,$group); 3703: return OK; 3704: } elsif ($env{'form.deldisc'}) { 3705: # --------------------------------------------------------------- Hide for good 3706: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3707: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3708: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3709: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3710: $env{'course.'.$env{'request.course.id'}.'.num'}); 3711: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3712: if ($changelast) { 3713: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3714: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3715: } 3716: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3717: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3718: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3719: $env{'course.'.$env{'request.course.id'}.'.num'}); 3720: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3721: '0','0','','',$env{'form.previous'},undef,undef,undef, 3722: undef,undef,undef,$group); 3723: return OK; 3724: } elsif ($env{'form.preview'}) { 3725: # -------------------------------------------------------- User wants a preview 3726: &show_preview($r); 3727: return OK; 3728: } elsif ($env{'form.attach'}) { 3729: # -------------------------------------------------------- Work on attachments 3730: &Apache::loncommon::content_type($r,'text/html'); 3731: $r->send_http_header; 3732: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3733: my (@currnewattach,@currdelold,@keepold,$toolarge); 3734: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3735: if (exists($env{'form.addnewattach.filename'})) { 3736: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3737: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3738: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3739: push(@currnewattach, $newattachment); 3740: } else { 3741: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3742: } 3743: } 3744: my $attachmenturls; 3745: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3746: my $idx = $env{'form.idx'}; 3747: if ($idx) { 3748: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3749: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3750: $env{'course.'.$env{'request.course.id'}.'.num'}); 3751: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3752: } 3753: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3754: $attachmenturls,$attachmax{'text'},$toolarge); 3755: return OK; 3756: } elsif ($env{'form.export'}) { 3757: &Apache::loncommon::content_type($r,'text/html'); 3758: $r->send_http_header; 3759: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3760: my $mode='board'; 3761: my $status='OPEN'; 3762: my $previous=$env{'form.previous'}; 3763: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3764: $mode='problem'; 3765: $status=$Apache::inputtags::status[-1]; 3766: } 3767: my $discussion = &list_discussion($mode,$status,$symb); 3768: my $start_page = 3769: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3770: my $end_page = 3771: &Apache::loncommon::end_page(); 3772: $r->print($start_page.$discussion.$end_page); 3773: return OK; 3774: } else { 3775: # ------------------------------------------------------------- Normal feedback 3776: my $feedurl=$env{'form.postdata'}; 3777: $feedurl=~s/^https?\:\/\///; 3778: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3779: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3780: $feedurl=~s/\?.+$//; 3781: 3782: my $symb; 3783: if ($env{'form.replydisc'}) { 3784: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3785: } elsif ($env{'form.editdisc'}) { 3786: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3787: } elsif ($env{'form.origpage'}) { 3788: $symb=""; 3789: } else { 3790: $symb=&Apache::lonnet::symbread($feedurl); 3791: } 3792: unless ($symb) { 3793: $symb=$env{'form.symb'}; 3794: } 3795: if (defined($symb)) { 3796: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3797: } else { 3798: # backward compatibility (bulletin boards used to be 'wrapped') 3799: &Apache::lonenc::check_decrypt(\$feedurl); 3800: &dewrapper(\$feedurl); 3801: } 3802: my $goahead=1; 3803: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3804: unless ($symb) { $goahead=0; } 3805: } 3806: if (!$goahead) { 3807: # Ambiguous Problem Resource 3808: $r->internal_redirect('/adm/ambiguous'); 3809: return OK; 3810: } 3811: # Go ahead with feedback, no ambiguous reference 3812: unless ( 3813: ( 3814: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3815: ) 3816: || 3817: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3818: || 3819: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3820: ) { 3821: &Apache::loncommon::content_type($r,'text/html'); 3822: $r->send_http_header; 3823: # Unable to give feedback 3824: &Apache::lonenc::check_encrypt(\$feedurl); 3825: &no_redirect_back($r,$feedurl); 3826: return OK; 3827: } 3828: # --------------------------------------------------- Print login screen header 3829: unless ($env{'form.sendit'}) { 3830: &Apache::lonenc::check_encrypt(\$feedurl); 3831: &Apache::loncommon::content_type($r,'text/html'); 3832: $r->send_http_header; 3833: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3834: my ($blocked,$blocktext) = 3835: &Apache::loncommon::blocking_status('boards'); 3836: if ($blocked) { 3837: $r->print(&blocked_reply_or_edit($blocktext)); 3838: return OK; 3839: } 3840: } 3841: my $options=&screen_header($feedurl,$symb); 3842: if ($options) { 3843: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3844: } else { 3845: &fail_redirect($r,$feedurl); 3846: } 3847: return OK; 3848: } 3849: 3850: # Get previous user input 3851: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3852: $symb,$env{'user.name'},$env{'user.domain'}, 3853: $env{'request.course.id'}); 3854: 3855: # Get output from resource 3856: &Apache::lonenc::check_encrypt(\$feedurl); 3857: my $usersaw=&resource_output($feedurl); 3858: 3859: # Get resource answer (need to allow student to view grades for this to work) 3860: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3861: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3862: my $useranswer= 3863: &Apache::loncommon::get_student_answers( 3864: $usersymb,$env{'user.name'},$env{'user.domain'}, 3865: $env{'request.course.id'}); 3866: &Apache::lonnet::delenv('allowed.vgr'); 3867: # Get attachments, if any, and not too large 3868: my $attachmenturl=''; 3869: my $toolarge=''; 3870: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3871: ($env{'form.replydisc'})) { 3872: my ($symb,$idx); 3873: if ($env{'form.replydisc'}) { 3874: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3875: } elsif ($env{'form.editdisc'}) { 3876: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3877: } elsif ($env{'form.origpage'}) { 3878: $symb = $env{'form.symb'}; 3879: } 3880: &Apache::lonenc::check_decrypt(\$symb); 3881: my @currnewattach = (); 3882: my @deloldattach = (); 3883: my @keepold = (); 3884: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3885: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3886: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3887: } elsif ($env{'form.attachment.filename'}) { 3888: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3889: my $now = time; 3890: my $subdir = 'feedback/'.$now; 3891: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3892: } else { 3893: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3894: } 3895: } 3896: # Filter HTML out of message (could be nasty) 3897: my $message=&clear_out_html($env{'form.comment'}); 3898: 3899: # Assemble email 3900: my ($email,$citations)=&assemble_email($message,$prevattempts, 3901: $usersaw,$useranswer); 3902: 3903: # Who gets this? 3904: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3905: 3906: # Actually send mail 3907: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 3908: $feedurl,$email,$citations, 3909: $attachmenturl,$usersymb,%to); 3910: 3911: # Discussion? Store that. 3912: my $numpost=0; 3913: if ( ($env{'form.discuss'} ne '' 3914: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3915: || $env{'form.anondiscuss'} ne '') { 3916: my $subject = &clear_out_html($env{'form.subject'}); 3917: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3918: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3919: $subject); 3920: $numpost++; 3921: } 3922: 3923: # Add to blog? 3924: 3925: my $blog=''; 3926: if ($env{'form.blog'}) { 3927: my $subject = &clear_out_html($env{'form.subject'}); 3928: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3929: $env{'user.domain'}, 3930: 'CourseBlog_'.$env{'request.course.id'}, 3931: $subject,$message,$feedurl,'public'); 3932: if (&Apache::loncommon::course_type() eq 'Community') { 3933: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3934: } else { 3935: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3936: } 3937: } 3938: 3939: # Receipt screen and redirect back to where came from 3940: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3941: } 3942: return OK; 3943: } 3944: 3945: sub blocked_reply_or_edit { 3946: my ($blocktext) = @_; 3947: return 3948: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3949: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3950: &mt('Back to previous page'). 3951: &Apache::loncommon::end_page(); 3952: } 3953: 3954: sub wrap_symb { 3955: my ($ressymb)=@_; 3956: if ($ressymb =~ /bulletin___\d+___/) { 3957: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3958: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3959: } 3960: } 3961: return $ressymb; 3962: } 3963: sub dewrapper { 3964: my ($feedurl)=@_; 3965: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3966: $$feedurl=~s|^/adm/wrapper||; 3967: } 3968: } 3969: 3970: sub get_feedurl { 3971: my ($symb)=@_; 3972: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3973: my $feedurl = &Apache::lonnet::clutter($url); 3974: &dewrapper(\$feedurl); 3975: return $feedurl; 3976: } 3977: 3978: sub get_feedurl_and_clean_symb { 3979: my ($symb)=@_; 3980: &Apache::lonenc::check_decrypt(\$symb); 3981: # backward compatibility (bulletin boards used to be 'wrapped') 3982: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3983: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3984: } 3985: my $feedurl = &get_feedurl($symb); 3986: return ($symb,$feedurl); 3987: } 3988: 3989: sub editing_allowed { 3990: my ($postid,$group) = @_; 3991: $postid = &unescape($postid); 3992: my $can_edit = 0; 3993: if ($group ne '') { 3994: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3995: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3996: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3997: if (&check_group_priv($group,'egp') eq 'ok') { 3998: $can_edit = 1; 3999: } 4000: return $can_edit; 4001: } 4002: } 4003: my $cid = $env{'request.course.id'}; 4004: my $role = (split(/\./,$env{'request.role'}))[0]; 4005: my $section = $env{'request.course.sec'}; 4006: my $allow_editing_config = 4007: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4008: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4009: $can_edit = 1; 4010: } else { 4011: foreach my $editor (split(/,/,$allow_editing_config)) { 4012: my ($editor_role,$editor_sec) = split(/:/,$editor); 4013: if ($editor_role eq $role 4014: && defined($editor_sec) 4015: && defined($section) 4016: && $editor_sec eq $section) { 4017: $can_edit = 1; 4018: last; 4019: } 4020: if ($editor_role eq $role 4021: && !defined($editor_sec)) { 4022: $can_edit = 1; 4023: } 4024: } 4025: } 4026: return $can_edit; 4027: } 4028: 4029: sub check_group_priv { 4030: my ($group,$grp_priv) = @_; 4031: foreach my $priv ('mdg','vcg') { 4032: my $checkcourse = $env{'request.course.id'}. 4033: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4034: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4035: return 'ok'; 4036: } 4037: } 4038: if ($grp_priv && $group ne '') { 4039: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4040: return 'ok'; 4041: } 4042: } 4043: return ''; 4044: } 4045: 4046: sub group_args { 4047: my ($group) = @_; 4048: if ($group eq '') { return ''; } 4049: my $extra_args = '&group='.$group; 4050: if (exists($env{'form.ref'})) { 4051: $extra_args .= '&ref='.$env{'form.ref'}; 4052: } 4053: return $extra_args; 4054: } 4055: 4056: sub get_resource_title { 4057: my ($symb,$feedurl) = @_; 4058: my ($restitle,$plainurl); 4059: if (defined($symb)) { 4060: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4061: $restitle = &Apache::lonnet::gettitle($plain_symb); 4062: } 4063: if (defined($feedurl)) { 4064: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4065: } 4066: if (!defined($restitle)) { 4067: if (defined($feedurl)) { 4068: $restitle = &Apache::lonnet::gettitle($plainurl); 4069: } 4070: } 4071: if ($plainurl ne $feedurl) { 4072: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4073: if ($plain_filename eq $restitle) { 4074: $restitle = &mt('Untitled resource'); 4075: } 4076: } 4077: if ($restitle eq '') { 4078: $restitle = &mt('Untitled resource'); 4079: } 4080: return $restitle; 4081: } 4082: 4083: 1; 4084: __END__ 4085: 4086: 4087: =pod 4088: 4089: =head1 NAME 4090: 4091: Apache::lonfeedback.pm 4092: 4093: =head1 SYNOPSIS 4094: 4095: Handles feedback from students to instructors and system administrators. 4096: 4097: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4098: 4099: Used by lonmsg.pm. 4100: 4101: This is part of the LearningOnline Network with CAPA project 4102: described at http://www.lon-capa.org. 4103: 4104: =head1 OVERVIEW 4105: 4106: None 4107: 4108: =head1 SUBROUTINES 4109: 4110: =over 4111: 4112: =item discussion_open() 4113: 4114: =item discussion_visible() 4115: 4116: =item list_discussion() 4117: 4118: =item send_feedback_link() 4119: 4120: =item send_message_link() 4121: 4122: =item action_links_bar() 4123: 4124: =item postingform_display() 4125: 4126: =item build_posting_display 4127: 4128: =item filter_regexp() 4129: 4130: =item get_post_contents() 4131: 4132: =item replicate_attachments() 4133: 4134: =item mail_screen() 4135: 4136: =item print_display_options() 4137: 4138: =item print_sortfilter_options() 4139: 4140: =item print_showposters() 4141: 4142: =item get_post_versions() 4143: 4144: =item get_post_attachments() 4145: 4146: =item fail_redirect() 4147: 4148: =item redirect_back() 4149: 4150: =item no_redirect_back() 4151: 4152: =item screen_header() 4153: 4154: =item resource_output() 4155: 4156: =item clear_out_html() 4157: 4158: =item assemble_email() 4159: 4160: =item feedback_available() 4161: 4162: =item send_msg() 4163: 4164: =item adddiscuss() 4165: 4166: =item get_discussion_info() 4167: 4168: =item show_preview() 4169: 4170: =item newline_to_br() 4171: 4172: =item tidy_html() 4173: 4174: =item generate_preview_button() 4175: 4176: =item modify_attachments() 4177: 4178: =item process_attachments() 4179: 4180: =item generate_attachments_button() 4181: 4182: =item extract_attachments() 4183: 4184: =item construct_attachmenturl() 4185: 4186: =item add_blog_checkbox() 4187: 4188: =item has_discussion() 4189: 4190: =item sort_filter_names() 4191: 4192: =item handler() 4193: 4194: =item blocked_reply_or_edit() 4195: 4196: =item wrap_symb() 4197: 4198: =item dewrapper() 4199: 4200: =item get_feedurl() 4201: 4202: =item get_feedurl_and_clean_symb() 4203: 4204: =item editing_allowed() 4205: 4206: =item check_group_priv() 4207: 4208: =item group_args() 4209: 4210: =item get_resource_title() 4211: 4212: =back 4213: 4214: =cut