loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.324: download - view: text, annotated - select for diffs
Fri Jan 6 18:17:44 2012 UTC (12 years, 4 months ago) by www
Branches: MAIN
CVS tags: HEAD

Work on like/unlike

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.324 2012/01/06 18:17:44 www Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use 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=~/$LONCAPA::assess_re/)); 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: 285: my $now = time; 286: $discinfo{$visitkey} = $visit; 287: 288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 289: &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,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 290: 291: my $discussion=''; 292: my $manifestfile; 293: my $manifestok=0; 294: my $tempexport; 295: my $imsresources; 296: my $copyresult; 297: 298: my $function = &Apache::loncommon::get_users_function(); 299: my %lt = &Apache::lonlocal::texthash( 300: 'cuse' => 'My settings for this discussion', 301: 'allposts' => 'All posts', 302: 'unread' => 'New posts only', 303: 'unmark' => 'Unread only', 304: 'ondisp' => 'Once displayed', 305: 'onmark' => 'Once marked not NEW', 306: 'toggoff' => 'Off', 307: 'toggon' => 'On', 308: 'disa' => 'Posts to be displayed', 309: 'npce' => 'Posts cease to be marked "NEW"', 310: 'epcb' => 'Each post can be toggled read/unread', 311: 'chgt' => 'Change', 312: 'disp' => 'Display', 313: 'nolo' => 'Not new', 314: 'togg' => 'Toggle read/unread', 315: 'aner' => 'An error occurred opening the manifest file.', 316: 'difo' => 'Discussion for', 317: 'aerr' => 'An error occurred opening the export file for posting', 318: 'aysu' => 'Are you sure you want to delete this post?', 319: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 320: 'bwco' => 'but will continue to be visible to your instructor', 321: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 322: 'discussions' => 'DISCUSSIONS' 323: ); 324: 325: my $currdisp = $lt{'allposts'}; 326: my $currmark = $lt{'onmark'}; 327: my $currtogg = $lt{'toggoff'}; 328: my $dispchange = $lt{'unread'}; 329: my $markchange = $lt{'ondisp'}; 330: my $toggchange = $lt{'toggon'}; 331: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 332: my $displinkA = 'onlyunread'; 333: my $displinkB = 'onlyunmark'; 334: my $marklink = 'markondisp'; 335: my $togglink = 'toggon'; 336: 337: if ($markondisp) { 338: $currmark = $lt{'ondisp'}; 339: $markchange = $lt{'onmark'}; 340: $marklink = 'markonread'; 341: } 342: 343: if ($showonlyunread) { 344: $currdisp = $lt{'unread'}; 345: $dispchange = $lt{'allposts'}; 346: $displinkA = 'allposts'; 347: } 348: 349: if ($showunmark) { 350: $currdisp = $lt{'unmark'}; 351: $dispchange = $lt{'unmark'}; 352: $displinkA='allposts'; 353: $displinkB='onlyunread'; 354: $showonlyunread = 0; 355: } 356: 357: if ($dischash{$toggkey}) { 358: $currtogg = $lt{'toggon'}; 359: $toggchange = $lt{'toggoff'}; 360: $togglink = 'toggoff'; 361: } 362: 363: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 364: 365: if ($newpostsflag) { 366: $chglink .= '&previous='.$prevread; 367: } 368: $chglink.=&group_args($group); 369: 370: if ($visible) { 371: # Print the discusssion 372: if ($outputtarget eq 'tex') { 373: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 374: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 375: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 376: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 377: } elsif ($outputtarget eq 'export') { 378: # Create temporary directory if this is an export 379: my $now = time; 380: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 381: $tempexport = $$imsextras{'tempexport'}; 382: if (!-e $tempexport) { 383: mkdir($tempexport,0700); 384: } 385: $tempexport .= '/'.$$imsextras{'count'}; 386: if (!-e $tempexport) { 387: mkdir($tempexport,0700); 388: } 389: } else { 390: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 391: if (!-e $tempexport) { 392: mkdir($tempexport,0700); 393: } 394: $tempexport .= '/'.$now; 395: if (!-e $tempexport) { 396: mkdir($tempexport,0700); 397: } 398: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 399: } 400: if (!-e $tempexport) { 401: mkdir($tempexport,0700); 402: } 403: # open manifest file 404: my $manifest = '/imsmanifest.xml'; 405: my $manifestfilename = $tempexport.$manifest; 406: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 407: $manifestok=1; 408: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 409: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 410: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 411: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 412: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 413: <organizations default="$ressymb"> 414: <organization identifier="$ressymb"> 415: <title>$lt{'difo'} $ressymb</title>\n|; 416: } else { 417: $discussion .= $lt{'aner'}.'<br />'; 418: } 419: } else { 420: my $colspan=$maxdepth+1; 421: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 422: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 423: var symbparm = symb+':::'+idx 424: var prevparm = "" 425: if (newflag == 1) { 426: prevparm = "&previous="+previous 427: } 428: if (caller == 'studentdelete') { 429: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 430: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 431: } 432: } else { 433: if (caller == 'seeiddelete') { 434: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 435: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 436: } 437: } 438: } 439: } 440: |); 441: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 442: "\n".'<table width="100%" class="LC_discussion">'; 443: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 444: $newpostsflag,$group, 445: $prevread,$markondisp); 446: my $escsymb=&escape($ressymb); 447: my $numhidden = keys(%notshown); 448: if ($numhidden > 0) { 449: my $colspan = $maxdepth+1; 450: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 451: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 452: if ($newpostsflag) { 453: $discussion .= '&previous='.$prevread; 454: } 455: $discussion .= &group_args($group); 456: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 457: $numhidden.' '; 458: if ($showunmark) { 459: $discussion .= &mt('posts previously marked read'); 460: } else { 461: $discussion .= &mt('previously viewed posts'); 462: } 463: $discussion .= '<br/></td></tr>'; 464: } 465: } 466: 467: # Choose sort mechanism 468: my @showposts = (); 469: if ($sortposts eq 'descdate') { 470: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 471: } elsif ($sortposts eq 'thread') { 472: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 473: } elsif ($sortposts eq 'subject') { 474: foreach my $key (sort(keys(%subjectsort))) { 475: push(@showposts, @{$subjectsort{$key}}); 476: } 477: } elsif ($sortposts eq 'username') { 478: foreach my $domain (sort(keys(%usernamesort))) { 479: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 480: push(@showposts, @{$usernamesort{$domain}{$key}}); 481: } 482: } 483: } elsif ($sortposts eq 'lastfirst') { 484: foreach my $last (sort(keys(%namesort))) { 485: foreach my $key (sort(keys(%{$namesort{$last}}))) { 486: push(@showposts, @{$namesort{$last}{$key}}); 487: } 488: } 489: } else { 490: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 491: } 492: my $currdepth = 0; 493: my $firstidx = $alldiscussion{$showposts[0]}; 494: foreach my $post (@showposts) { 495: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 496: $alldiscussion{$post} = $post; 497: } 498: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 500: $discussion.="\n<tr>"; 501: } 502: my $thisdepth=$depth[$alldiscussion{$post}]; 503: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 504: for (1..$thisdepth) { 505: $discussion.='<td>    </td>'; 506: } 507: } 508: my $colspan=$maxdepth-$thisdepth+1; 509: if ($outputtarget eq 'tex') { 510: #cleanup block 511: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 512: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 513: my $threadinsert=''; 514: if ($thisdepth > 0) { 515: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 516: } 517: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 519: 520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 521: $discussion.=$discussionitems[$alldiscussion{$post}]; 522: } elsif ($outputtarget eq 'export') { 523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 524: if ($manifestok) { 525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 526: print $manifestfile ' </item>'."\n"; 527: } 528: $currdepth = $depth[$alldiscussion{$post}]; 529: print $manifestfile "\n". 530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 533: $imsresources .= "\n". 534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 535: '<file href="'.$postfilename.'">'."\n". 536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 537: '</resource>'; 538: } 539: my $postingfile; 540: my $postingfilename = $tempexport.'/'.$postfilename; 541: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 543: $imsitems{$alldiscussion{$post}}{'title'}.' '. 544: $imsitems{$alldiscussion{$post}}{'sender'}. 545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 548: close($postingfile); 549: } else { 550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 551: } 552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 553: } else { 554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 556: '</td></tr>'; 557: } 558: } 559: } 560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 561: my $colspan=$maxdepth+1; 562: $discussion .= <<END; 563: <tr> 564: <td colspan="$colspan"> 565: <table width="100%"> 566: <tr> 567: <td class="LC_disc_action_left"> 568: <font size="-1"><b>$lt{'cuse'}</b>:  569: END 570: if ($newpostsflag) { 571: $discussion .= 572: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 573: if ($dischash{$toggkey}) { 574: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 575: } 576: } else { 577: if ($dischash{$toggkey}) { 578: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 579: } else { 580: $discussion .= 581: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 582: } 583: } 584: $discussion .= <<END; 585:   <b><a href="$chglink">$lt{'chgt'}</a></b></font> 586: </td> 587: END 588: if ($sortposts) { 589: my %sort_types = (); 590: my %role_types = (); 591: my %status_types = (); 592: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 593: 594: $discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 595: if (defined($env{'form.totposters'})) { 596: $discussion .= &mt('Posts by').':'; 597: if ($totposters > 0) { 598: foreach my $poster (@posters) { 599: $discussion .= ' '.$poster.','; 600: } 601: $discussion =~ s/,$//; 602: } else { 603: $discussion .= &mt('None selected'); 604: } 605: } else { 606: my $filterchoice =''; 607: if (@sectionpick > 0) { 608: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 609: $filterchoice .= '    '; 610: } 611: if (@grouppick > 0) { 612: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 613: $filterchoice .= '    '; 614: } 615: if (@rolefilter > 0) { 616: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 617: foreach my $role (@rolefilter) { 618: $filterchoice .= ' '.$role_types{$role}.','; 619: } 620: $filterchoice =~ s/,$//; 621: $filterchoice .= '<br />'.(' ' x8); 622: } 623: if ($statusfilter) { 624: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 625: } 626: if ($filterchoice) { 627: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 628: } 629: } 630: $discussion .= '</font></td>'; 631: 632: } 633: if ($dischash{$toggkey}) { 634: my $storebutton = &mt('Save read/unread changes'); 635: $discussion.='<td align="right">'. 636: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 637: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 638: ' onclick="this.form.submit();" />'."\n". 639: '</td>'; 640: } 641: $discussion .= (<<END); 642: </tr> 643: </table> 644: </td> 645: </tr> 646: END 647: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 648: $newpostsflag,$group, 649: $prevread,$markondisp); 650: $discussion .= "</table></form>\n"; 651: } 652: if ($outputtarget eq 'export') { 653: if ($manifestok) { 654: while ($currdepth > 0) { 655: print $manifestfile " </item>\n"; 656: $currdepth --; 657: } 658: print $manifestfile qq| 659: </organization> 660: </organizations> 661: <resources> 662: $imsresources 663: </resources> 664: </manifest> 665: |; 666: close($manifestfile); 667: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 668: $discussion = $copyresult; 669: } else { 670: 671: #Create zip file in prtspool 672: 673: my $imszipfile = '/prtspool/'. 674: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 675: time.'_'.rand(1000000000).'.zip'; 676: my $cwd = &getcwd(); 677: my $imszip = '/home/httpd/'.$imszipfile; 678: chdir $tempexport; 679: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 680: close(OUTPUT); 681: chdir $cwd; 682: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 683: if ($copyresult) { 684: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 685: } 686: } 687: } else { 688: $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 />'; 689: } 690: return $discussion; 691: } 692: } 693: if ($discussiononly) { 694: my $now = time; 695: my $attachnum = 0; 696: my $currnewattach = []; 697: my $currdelold = []; 698: my $comment = ''; 699: my $subject = ''; 700: if ($env{'form.origpage'}) { 701: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 702: $subject = &unescape($env{'form.subject'}); 703: $comment = &unescape($env{'form.comment'}); 704: my @keepold = (); 705: &process_attachments($currnewattach,$currdelold,\@keepold); 706: if (@{$currnewattach} > 0) { 707: $attachnum += @{$currnewattach}; 708: } 709: } 710: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 711: if (($group ne '') && ($mode eq 'board')) { 712: if ((&check_group_priv($group,'pgd') eq 'ok') && 713: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 714: $discussion .= 715: &postingform_display($mode,$ressymb,$now,$subject, 716: $comment,$outputtarget,$attachnum, 717: $currnewattach,$currdelold, 718: $group,$crstype); 719: } 720: } else { 721: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 722: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 723: 724: $discussion.= 725: &postingform_display($mode,$ressymb,$now,$subject, 726: $comment,$outputtarget,$attachnum, 727: $currnewattach,$currdelold,'',$crstype); 728: } else { 729: $discussion.= '<span class="LC_feedback_link">'. 730: &mt('This discussion is closed.').'</span>'; 731: } 732: } 733: } 734: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 735: $discussion.= '<span class="LC_feedback_link">'. 736: &mt('This discussion is closed.').'</span>'; 737: } 738: } elsif ($outputtarget ne 'tex') { 739: $discussion.='<div class="LC_feedback_link">'; 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: $discussion.= &send_feedback_link($ressymb); 745: if ($env{'request.role.adv'}) { 746: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 747: if (defined($close) && $close ne '' && $close < time) { 748: $discussion .= ' '.&mt('(Closed for [_1] roles)', 749: &Apache::lonnet::plaintext('st',$crstype)); 750: } 751: } 752: } else { 753: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 754: } 755: $discussion.= &send_message_link($ressymb).'</div>'; 756: } 757: return $discussion; 758: } 759: 760: 761: sub discussion_link { 762: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds)=@_; 763: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item; 764: if ($flag) { $link .= '&previous='.$prev; } 765: if ($adds) { $link .= $adds; } 766: my $width=600; 767: my $height=600; 768: if (($cmd eq 'hide') || ($cmd eq 'unhide') || ($cmd eq 'like') || ($cmd eq 'unlike')) { 769: $width=300; 770: $height=200; 771: } 772: return &Apache::loncommon::modal_link($link,$linktext,$width,$height); 773: } 774: 775: 776: sub send_feedback_link { 777: my ($ressymb) = @_; 778: return '<span class="LC_feedback_link">'. 779: &discussion_link($ressymb, 780: '<img alt="" class="LC_noBorder" src="'. 781: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 782: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>', 783: 'replydisc'). 784: '</span>'; 785: } 786: 787: sub send_message_link { 788: my ($ressymb) = @_; 789: my $output = '<span class="LC_message_link">'. 790: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 791: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 792: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 793: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 794: return $output; 795: } 796: 797: sub action_links_bar { 798: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 799: my $discussion = '<tr><td colspan="'.$colspan.'">'. 800: '<table width="100%"><tr>'. 801: '<td class="LC_disc_action_left">'; 802: my $escsymb=&escape($ressymb); 803: if ($visible) { 804: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 805: if ($newpostsflag) { 806: $discussion .= '&previous='.$prevread; 807: } 808: $discussion .= &group_args($group); 809: $discussion .='">'.&mt('Threaded View').'</a>  '. 810: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 811: if ($newpostsflag) { 812: $discussion .= '&previous='.$prevread; 813: } 814: $discussion .= &group_args($group); 815: $discussion .='">'.&mt('Chronological View').'</a>  '; 816: 817: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes'; 818: if ($newpostsflag) { 819: $otherviewurl .= '&previous='.$prevread; 820: } 821: $otherviewurl .= &group_args($group); 822: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340); 823: $discussion .= '<br />'; 824: } 825: $discussion .='<a href="/adm/feedback?export='.$escsymb; 826: if ($newpostsflag) { 827: $discussion .= '&previous='.$prevread; 828: } 829: $discussion .= &group_args($group); 830: $discussion .= '">'.&mt('Export').'</a></td>'; 831: if ($newpostsflag) { 832: if (!$markondisp) { 833: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 834: $discussion .= &group_args($group); 835: $discussion .= '">'. 836: &mt('My general preferences on what is marked as NEW'). 837: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 838: $discussion .= &group_args($group); 839: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 840: } else { 841: $discussion .= '<td> </td>'; 842: } 843: } else { 844: $discussion .= '<td> </td>'; 845: } 846: $discussion .= '</tr></table></td></tr>'; 847: return $discussion; 848: } 849: 850: sub postingform_display { 851: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 852: $currnewattach,$currdelold,$group,$crstype) = @_; 853: my $newattachmsg; 854: my %lt = &Apache::lonlocal::texthash( 855: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 856: 'title' => 'Title', 857: 'podi' => 'Post Discussion', 858: 'poan' => 'Post Anonymous Discussion', 859: 'newa' => 'New attachments', 860: ); 861: if ($crstype eq 'Community') { 862: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 863: } 864: my ($postingform,$textareaclass); 865: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 866: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 867: $textareaclass = 'class="LC_richDefaultOff"'; 868: if ($env{'request.course.id'}) { 869: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 870: undef($textareaclass); 871: } 872: } 873: } 874: $postingform .= (<<ENDDISCUSS); 875: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 876: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 877: <input type="hidden" name="sendit" value="true" /> 878: <input type="hidden" name="timestamp" value="$now" /> 879: <br /><a name="newpost"></a> 880: <font size="1">$lt{'note'}</font><br /> 881: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 882: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 883: ENDDISCUSS 884: if ($env{'form.origpage'}) { 885: $postingform .= '<input type="hidden" name="origpage" value="'. 886: $env{'form.origpage'}.'" />'."\n"; 887: foreach my $att (@{$currnewattach}) { 888: $postingform .= '<input type="hidden" name="currnewattach" '. 889: 'value="'.$att.'" />'."\n"; 890: } 891: } 892: if (exists($env{'form.ref'})) { 893: $postingform .= '<input type="hidden" name="ref" value="'. 894: $env{'form.ref'}.'" />'; 895: } 896: if ($group ne '') { 897: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 898: } 899: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 900: if (!$blockblog) { 901: $postingform .= &add_blog_checkbox($crstype); 902: } 903: $postingform .= "</form>\n"; 904: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 905: $now,$currnewattach, 906: $currdelold,'',$mode, 907: $blockblog); 908: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 909: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 910: if (@{$currnewattach} > 1) { 911: $newattachmsg .= '<ol>'; 912: foreach my $item (@{$currnewattach}) { 913: $item =~ m#.*/([^/]+)$#; 914: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 915: } 916: $newattachmsg .= '</ol>'."\n"; 917: } else { 918: $$currnewattach[0] =~ m#.*/([^/]+)$#; 919: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 920: } 921: } 922: $postingform .= $newattachmsg; 923: $postingform .= &generate_preview_button(); 924: return $postingform; 925: } 926: 927: sub build_posting_display { 928: 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,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 929: my @original=(); 930: my @index=(); 931: my $skip_group_check = 0; 932: my $symb=&Apache::lonenc::check_decrypt($ressymb); 933: my $escsymb=&escape($ressymb); 934: # These are the discussion contributions 935: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 936: $env{'course.'.$env{'request.course.id'}.'.domain'}, 937: $env{'course.'.$env{'request.course.id'}.'.num'}); 938: # And these are the likes/unlikes 939: my %likes=&Apache::lonnet::dump('disclikes', 940: $env{'course.'.$env{'request.course.id'}.'.domain'}, 941: $env{'course.'.$env{'request.course.id'}.'.num'}, 942: '^'.$symb.':'); 943: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 944: # Array with likes to figure out averages, etc. 945: my @theselikes=(); 946: # Is the user allowed to see the real name behind anonymous postings? 947: my $see_anonymous = 948: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 949: 950: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 951: $skip_group_check = 1; 952: } 953: # Deletions and hiddens are just lists. Split them up into a hash for quicker lookup 954: my (%deletions,%hiddens); 955: if ($contrib{'deleted'}) { 956: my $deleted = $contrib{'deleted'}; 957: $deleted =~ s/^\.//; 958: $deleted =~ s/\.$//; 959: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 960: } 961: if ($contrib{'hidden'}) { 962: my $hidden = $contrib{'hidden'}; 963: $hidden =~ s/^\.//; 964: $hidden =~ s/\.$//; 965: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 966: } 967: # Versions if store/restore are used to actually store the messages. 968: if ($contrib{'version'}) { 969: my $oldest = $contrib{'1:timestamp'}; 970: if ($prevread eq '0') { 971: $prevread = $oldest-1; 972: } 973: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 974: if ($sortposts) { 975: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 976: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 977: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 978: } 979: for (my $id=1;$id<=$contrib{'version'};$id++) { 980: my $idx=$id; 981: next if ($contrib{$idx.':deleted'}); 982: next if ($contrib{$idx.':hidden'}); 983: # If we get here, we are actually going to display the message - we don't know where and we don't know if we display 984: # previous edits, but it counts as one entry 985: my $posttime = $contrib{$idx.':timestamp'}; 986: if ($prevread <= $posttime) { 987: $$newpostsflag = 1; 988: } 989: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 990: my $origindex='0.'; 991: my $numoldver=0; 992: if ($contrib{$idx.':replyto'}) { 993: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 994: # this is a follow-up message 995: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 996: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 997: $origindex=$index[$contrib{$idx.':replyto'}]; 998: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 999: } else { 1000: $original[$idx]=0; 1001: $$depth[$idx]=0; 1002: } 1003: } else { 1004: # this is an original message 1005: $original[$idx]=0; 1006: $$depth[$idx]=0; 1007: } 1008: if ($$replies[$$depth[$idx]]) { 1009: $$replies[$$depth[$idx]]++; 1010: } else { 1011: $$replies[$$depth[$idx]]=1; 1012: } 1013: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1014: $$visible++; 1015: if ($contrib{$idx.':history'}) { 1016: if ($contrib{$idx.':history'} =~ /:/) { 1017: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1018: $numoldver = @oldversions; 1019: } else { 1020: $numoldver = 1; 1021: } 1022: } 1023: $$current = $numoldver; 1024: my %messages = (); 1025: my %subjects = (); 1026: my %attachtxt = (); 1027: my %allattachments = (); 1028: my ($screenname,$plainname); 1029: my $sender = &mt('Anonymous'); 1030: # Anonymous users getting number within a discussion 1031: # Since idx is in static order, this should give the same sequence every time. 1032: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1033: unless ($$anonhash{$key}) { 1034: $anoncnt++; 1035: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1036: } 1037: my ($message,$subject,$vgrlink,$ctlink); 1038: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1039: 1040: 1041: # Set up for sorting by subject 1042: unless ($outputtarget eq 'export') { 1043: $message=$messages{$numoldver}; 1044: $message.=$attachtxt{$numoldver}; 1045: $subject=$subjects{$numoldver}; 1046: if ($message) { 1047: if ($hiddens{$idx}) { 1048: $message='<font color="#888888">'.$message.'</font>'; 1049: if ($studenthidden) { 1050: $message .='<br /><br />Deleted by poster (student).'; 1051: } 1052: } 1053: 1054: if ($subject eq '') { 1055: if (defined($$subjectsort{'__No subject'})) { 1056: push(@{$$subjectsort{'__No subject'}}, $idx); 1057: } else { 1058: @{$$subjectsort{'__No subject'}} = ("$idx"); 1059: } 1060: } else { 1061: if (defined($$subjectsort{$subject})) { 1062: push(@{$$subjectsort{$subject}}, $idx); 1063: } else { 1064: @{$$subjectsort{$subject}} = ("$idx"); 1065: } 1066: } 1067: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1068: $sender=&Apache::loncommon::aboutmewrapper( 1069: $plainname, 1070: $contrib{$idx.':sendername'}, 1071: $contrib{$idx.':senderdomain'}).' ('. 1072: $contrib{$idx.':sendername'}.':'. 1073: $contrib{$idx.':senderdomain'}.')'; 1074: $sender = '<b>'.$sender.'</b>'; 1075: if ($contrib{$idx.':anonymous'}) { 1076: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1077: $screenname; 1078: } 1079: if ($see_anonymous) { 1080: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1081: } 1082: # Set up for sorting by domain, then username 1083: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1084: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1085: } 1086: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1087: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1088: } else { 1089: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1090: } 1091: # Set up for sorting by last name, then first name 1092: my %names = &Apache::lonnet::get('environment', 1093: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1094: ,$contrib{$idx.':sendername'}); 1095: my $lastname = $names{'lastname'}; 1096: my $firstname = $names{'firstname'}; 1097: if ($lastname eq '') { 1098: $lastname = '_'; 1099: } 1100: if ($firstname eq '') { 1101: $firstname = '_'; 1102: } 1103: unless (defined($$namesort{$lastname})) { 1104: %{$$namesort{$lastname}} = (); 1105: } 1106: if (defined($$namesort{$lastname}{$firstname})) { 1107: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1108: } else { 1109: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1110: } 1111: if ($outputtarget ne 'tex') { 1112: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) { 1113: $sender.=' '.&discussion_link($symb,&mt('Like'),'like',$idx,$$newpostsflag,$prevread,&group_args($group)); 1114: } 1115: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) { 1116: $sender.=' '.&discussion_link($symb,&mt('Unlike'),'unlike',$idx,$$newpostsflag,$prevread,&group_args($group)); 1117: } 1118: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1119: push(@theselikes,$thislikes); 1120: if ($thislikes>0) { 1121: $sender.=' ('.&mt("[_1] likes",$thislikes).')'; 1122: } elsif ($thislikes<0) { 1123: $sender.=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; 1124: } 1125: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1126: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1127: $sender.=' '. 1128: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1129: unless ($seeid) { 1130: my $grpargs = &group_args($group); 1131: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1132: $sender .= '">'.&mt('Delete').'</a>'; 1133: } 1134: } 1135: } 1136: if ($seeid) { 1137: if ($hiddens{$idx}) { 1138: unless ($studenthidden) { 1139: $sender.=' '. 1140: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1141: } 1142: } else { 1143: $sender.=' '. 1144: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1145: } 1146: my $grpargs = &group_args($group); 1147: $sender.= 1148: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1149: $sender .= &mt('Delete').'</a>'; 1150: } 1151: } 1152: } else { 1153: if ($screenname) { 1154: $sender='<i>'.$screenname.'</i>'; 1155: } else { 1156: $sender='<i>'.$$anonhash{$key}.'</i>'; 1157: } 1158: $sender = '<b>'.$sender.'</b>'; 1159: # Set up for sorting by domain, then username for anonymous 1160: unless (defined($$usernamesort{'__anon'})) { 1161: %{$$usernamesort{'__anon'}} = (); 1162: } 1163: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1164: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1165: } else { 1166: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1167: } 1168: # Set up for sorting by last name, then first name for anonymous 1169: unless (defined($$namesort{'__anon'})) { 1170: %{$$namesort{'__anon'}} = (); 1171: } 1172: if (defined($$namesort{'__anon'}{'__anon'})) { 1173: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1174: } else { 1175: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1176: } 1177: } 1178: if ($outputtarget ne 'tex') { 1179: if (&discussion_open($status)) { 1180: if (($group ne '') && 1181: (&check_group_priv($group,'pgd') eq 'ok')) { 1182: $sender.=' '. 1183: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1184: } elsif (&Apache::lonnet::allowed('pch', 1185: $env{'request.course.id'}. 1186: ($env{'request.course.sec'}?'/'. 1187: $env{'request.course.sec'}:''))) { 1188: $sender.=' '. 1189: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread); 1190: } 1191: } 1192: if ($viewgrades) { 1193: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1194: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1195: } 1196: if ($$dischash{$readkey}=~/\.$idx\./) { 1197: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1198: } else { 1199: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1200: } 1201: } 1202: } 1203: #figure out at what position this needs to print 1204: } 1205: if ($outputtarget eq 'export' || $message) { 1206: my $thisindex=$idx; 1207: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1208: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1209: } 1210: $$alldiscussion{$thisindex}=$idx; 1211: $$shown{$idx} = 0; 1212: $index[$idx]=$thisindex; 1213: } 1214: if ($outputtarget eq 'export') { 1215: %{$$imsitems{$idx}} = (); 1216: $$imsitems{$idx}{'isvisible'}='true'; 1217: if ($hiddens{$idx}) { 1218: $$imsitems{$idx}{'isvisible'}='false'; 1219: } 1220: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1221: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1222: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1223: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1224: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1225: $contrib{$idx.':sendername'}.':'. 1226: $contrib{$idx.':senderdomain'}.')'; 1227: $$imsitems{$idx}{'isanonymous'}='false'; 1228: if ($contrib{$idx.':anonymous'}) { 1229: $$imsitems{$idx}{'isanonymous'}='true'; 1230: } 1231: $$imsitems{$idx}{'currversion'}=$numoldver; 1232: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1233: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1234: $$shown{$idx} = 1; 1235: } 1236: } else { 1237: if ($message) { 1238: my $spansize = 2; 1239: if ($showonlyunread && $prevread > $posttime) { 1240: $$notshown{$idx} = 1; 1241: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1242: $$notshown{$idx} = 1; 1243: } else { 1244: # apply filters 1245: my $uname = $contrib{$idx.':sendername'}; 1246: my $udom = $contrib{$idx.':senderdomain'}; 1247: my $poster = $uname.':'.$udom; 1248: if ($env{'form.totposters'} ne '') { 1249: if ($totposters == 0) { 1250: $$shown{$idx} = 0; 1251: } elsif ($totposters > 0) { 1252: if (grep/^$poster$/,@{$posters}) { 1253: $$shown{$idx} = 1; 1254: } 1255: } 1256: } elsif ($sortposts) { 1257: if ($skiptest) { 1258: $$shown{$idx} = 1; 1259: } else { 1260: foreach my $role (@{$$roleinfo{$poster}}) { 1261: if ($role =~ /^cc:/) { 1262: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1263: if ($role =~ /$cc_regexp/) { 1264: $$shown{$idx} = 1; 1265: last; 1266: } 1267: } elsif ($role =~ /^$rolematch$/) { 1268: $$shown{$idx} = 1; 1269: last; 1270: } 1271: } 1272: } 1273: if ($$shown{$idx} && !$skip_group_check) { 1274: my $showflag = 0; 1275: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1276: foreach my $grp (@{$grouppick}) { 1277: if (grep/^\Q$grp\E$/, 1278: keys(%{$$classgroups{$poster}{active}})) { 1279: $showflag = 1; 1280: last; 1281: } 1282: } 1283: } 1284: if ($showflag) { 1285: $$shown{$idx} = 1; 1286: } else { 1287: $$shown{$idx} = 0; 1288: } 1289: } 1290: } else { 1291: $$shown{$idx} = 1; 1292: } 1293: } 1294: unless ($$notshown{$idx} == 1) { 1295: if ($prevread > 0 && $prevread <= $posttime) { 1296: $$newitem{$idx} = 1; 1297: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>'; 1298: } else { 1299: $$newitem{$idx} = 0; 1300: } 1301: $$discussionitems[$idx] .= '<b>'.$subject.'</b>  '. 1302: $sender.' '.$vgrlink.' ('. 1303: &Apache::lonlocal::locallocaltime($posttime).')'; 1304: if ($$dischash{$toggkey}) { 1305: $$discussionitems[$idx].='  '.$ctlink; 1306: } 1307: $$discussionitems[$idx].= '<br /><blockquote>'. 1308: $message.'</blockquote>'; 1309: if ($contrib{$idx.':history'}) { 1310: my @postversions = (); 1311: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1312: if ($seeid) { 1313: $$discussionitems[$idx] .= '  '. 1314: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group)); 1315: } 1316: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1317: if ($contrib{$idx.':history'} =~ m/:/) { 1318: @postversions = split(/:/,$contrib{$idx.':history'}); 1319: } else { 1320: @postversions = ("$contrib{$idx.':history'}"); 1321: } 1322: for (my $i=0; $i<@postversions; $i++) { 1323: my $version = $i+1; 1324: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1325: } 1326: } 1327: # end of unless ($$notshown ...) 1328: } 1329: # end of if ($message) ... 1330: } 1331: # end of the else-branch of target being export 1332: } 1333: # end of unless hidden or deleted 1334: } 1335: # end of the loop over all discussion entries 1336: } 1337: # Figure out average likes and standard deviation if there are enough discussions to warrant that 1338: if ($#theselikes>1) { 1339: my $sum=0; 1340: my $num=$#theselikes+1; 1341: foreach my $thislike (@theselikes) { 1342: $sum.=$thislike; 1343: } 1344: my $ave=$sum/$num; 1345: my $sumsq=0; 1346: foreach my $thislike (@theselikes) { 1347: $sumsq+=($thislike-$ave)*($thislike-$ave); 1348: } 1349: my $stddev=sqrt($sumsq/$num); 1350: # &Apache::lonnet::logthis(join(',',@theselikes)." Ave $ave StdDev $stddev"); 1351: } 1352: # end of "if there actually are any discussion 1353: } 1354: # end of subroutine "build_posting_display" 1355: } 1356: 1357: sub filter_regexp { 1358: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1359: my ($roleregexp,$secregexp,$statusregexp); 1360: my $skiptest = 1; 1361: if (@{$rolefilter} > 0) { 1362: my @okrolefilter = (); 1363: foreach my $role (@{$rolefilter}) { 1364: unless ($role eq '') { 1365: push(@okrolefilter, $role); 1366: } 1367: } 1368: if (@okrolefilter > 0) { 1369: if (grep/^all$/,@okrolefilter) { 1370: $roleregexp='[^:]+'; 1371: } else { 1372: if (@okrolefilter == 1) { 1373: $roleregexp=$okrolefilter[0]; 1374: } else { 1375: $roleregexp='('.join('|',@okrolefilter).')'; 1376: } 1377: $skiptest = 0; 1378: } 1379: } 1380: } 1381: if (@{$sectionpick} > 0) { 1382: my @oksectionpick = (); 1383: foreach my $sec (@{$sectionpick}) { 1384: unless ($sec eq '') { 1385: push(@oksectionpick, $sec); 1386: } 1387: } 1388: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1389: if (@oksectionpick == 1) { 1390: $secregexp = $oksectionpick[0]; 1391: } else { 1392: $secregexp .= '('.join('|',@oksectionpick).')'; 1393: } 1394: $skiptest = 0; 1395: } else { 1396: $secregexp .= '[^:]*'; 1397: } 1398: } 1399: 1400: if (defined($statusfilter) && $statusfilter ne '') { 1401: if ($statusfilter eq 'all') { 1402: $statusregexp = '[^:]+'; 1403: } else { 1404: $statusregexp = $statusfilter; 1405: $skiptest = 0; 1406: } 1407: } 1408: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1409: } 1410: 1411: 1412: sub get_post_contents { 1413: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1414: my $discussion = ''; 1415: my $start=$numver; 1416: my $end=$numver + 1; 1417: %{$$imsfiles{$idx}}=(); 1418: if ($type eq 'allversions') { 1419: unless($seeid) { 1420: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1421: return $discussion; 1422: } 1423: } 1424: # $$screenname=&Apache::loncommon::screenname( 1425: # $$contrib{$idx.':sendername'}, 1426: # $$contrib{$idx.':senderdomain'}); 1427: $$plainname=&Apache::loncommon::nickname( 1428: $$contrib{$idx.':sendername'}, 1429: $$contrib{$idx.':senderdomain'}); 1430: $$screenname=$$contrib{$idx.':screenname'}; 1431: 1432: my $sender=&Apache::loncommon::aboutmewrapper( 1433: $$plainname, 1434: $$contrib{$idx.':sendername'}, 1435: $$contrib{$idx.':senderdomain'}).' ('. 1436: $$contrib{$idx.':sendername'}.':'. 1437: $$contrib{$idx.':senderdomain'}.')'; 1438: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1439: my @postversions = (); 1440: if ($type eq 'allversions' || $type eq 'export') { 1441: $start = 0; 1442: if ($$contrib{$idx.':history'}) { 1443: @postversions = split(/:/,$$contrib{$idx.':history'}); 1444: } 1445: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1446: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1447: push(@postversions,$$contrib{$idx.':timestamp'}); 1448: $end = @postversions; 1449: } else { 1450: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1451: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1452: } 1453: 1454: if ($$contrib{$idx.':anonymous'}) { 1455: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1456: } 1457: if ($type eq 'allversions') { 1458: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1459: } 1460: for (my $i=$start; $i<$end; $i++) { 1461: my ($timesent,$attachmsg); 1462: my %currattach = (); 1463: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1464: unless (&contains_block_html($messages->{$i})) { 1465: &newline_to_br(\$messages->{$i}); 1466: } 1467: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1468: $$subjects{$i}=~s/\n/\<br \/\>/g; 1469: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1470: if ($attachmenturls) { 1471: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1472: } 1473: if ($type eq 'export') { 1474: $$imsfiles{$idx}{$i} = ''; 1475: if ($attachmsg) { 1476: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1477: foreach my $key (sort(keys(%currattach))) { 1478: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1479: my $fname = $1.$3.'/'.$4; 1480: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1481: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1482: } 1483: } 1484: } 1485: } else { 1486: if ($attachmsg) { 1487: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1488: } else { 1489: $$attachtxt{$i} = ''; 1490: } 1491: } 1492: if ($type eq 'allversions') { 1493: $discussion.= <<"END"; 1494: <li><b>$$subjects{$i}</b>, $timesent<br /> 1495: $$messages{$i}<br /> 1496: $$attachtxt{$i}</li> 1497: END 1498: } 1499: } 1500: if ($type eq 'allversions') { 1501: $discussion.='</ul>'; 1502: return $discussion; 1503: } else { 1504: return; 1505: } 1506: } 1507: 1508: sub replicate_attachments { 1509: my ($attachrefs,$tempexport) = @_; 1510: my $response; 1511: foreach my $id (keys(%{$attachrefs})) { 1512: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1513: my $path = $tempexport; 1514: my $tail = $1.'/'.$2.$4; 1515: my @extras = split(/\//,$tail); 1516: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1517: if (!-e $destination) { 1518: my $i= 0; 1519: while ($i<@extras) { 1520: $path .= '/'.$extras[$i]; 1521: if (!-e $path) { 1522: mkdir($path,0700); 1523: } 1524: $i ++; 1525: } 1526: my ($content,$rtncode); 1527: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1528: if ($uploadreply eq 'ok') { 1529: my $attachcopy; 1530: if ($attachcopy = Apache::File->new('>'.$destination)) { 1531: print $attachcopy $content; 1532: close($attachcopy); 1533: } else { 1534: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1535: } 1536: } else { 1537: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1538: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1539: } 1540: } 1541: } 1542: } 1543: return $response; 1544: } 1545: 1546: sub mail_screen { 1547: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1548: if (exists($env{'form.origpage'})) { 1549: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1550: } 1551: 1552: my %lt = &Apache::lonlocal::texthash( 1553: 'myqu' => 'My question/comment/feedback:', 1554: 'title' => 'Title', 1555: 'reta' => 'Retained attachments', 1556: 'atta' => 'Attachment', 1557: ); 1558: my $restitle = &get_resource_title($caller_symb,$feedurl); 1559: my $quote=''; 1560: my $subject = ''; 1561: my $comment = ''; 1562: my $prevtag = ''; 1563: my $parentmsg = ''; 1564: my ($symb,$idx,$attachmenturls); 1565: my $numoldver = 0; 1566: my $attachmsg = ''; 1567: my $newattachmsg = ''; 1568: my @currnewattach = (); 1569: my @currdelold = (); 1570: my @keepold = (); 1571: my %attachments = (); 1572: my %currattach = (); 1573: my $attachnum = 0; 1574: my $anonchk = (<<END); 1575: function anonchk() { 1576: for (var i=0; i < document.mailform.discuss.length; i++) { 1577: if (document.mailform.discuss[i].checked) { 1578: document.attachment.discuss.value = 1579: document.mailform.discuss[i].value; 1580: } 1581: } 1582: if (document.mailform.blog.checked) { 1583: document.attachment.blog.value = 1; 1584: } 1585: return 1586: } 1587: END 1588: my $anonscript; 1589: if (exists($env{'form.origpage'})) { 1590: $anonscript = (<<END); 1591: function setposttype() { 1592: var disc = "$env{'form.discuss'}"; 1593: for (var i=0; i < document.mailform.discuss.length; i++) { 1594: if (disc == document.mailform.discuss[i].value) { 1595: document.mailform.discuss[i].checked = 1; 1596: } 1597: } 1598: var blog = "$env{'form.blog'}"; 1599: if (blog == 1) { 1600: document.mailform.blog.checked=1; 1601: } 1602: return 1603: } 1604: END 1605: } else { 1606: $anonscript = (<<END); 1607: function setposttype() { 1608: return 1609: } 1610: END 1611: } 1612: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1613: if ($env{'form.replydisc'}) { 1614: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1615: } else { 1616: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1617: } 1618: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1619: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1620: $env{'course.'.$env{'request.course.id'}.'.num'}); 1621: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1622: if ($contrib{$idx.':history'}) { 1623: if ($contrib{$idx.':history'} =~ /:/) { 1624: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1625: $numoldver = @oldversions; 1626: } else { 1627: $numoldver = 1; 1628: } 1629: } 1630: if ($env{'form.replydisc'}) { 1631: if ($contrib{$idx.':history'}) { 1632: if ($contrib{$idx.':history'} =~ /:/) { 1633: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1634: $numoldver = @oldversions; 1635: } else { 1636: $numoldver = 1; 1637: } 1638: } 1639: if ($idx > 0) { 1640: my %msgversions = (); 1641: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1642: $quote = $msgversions{$numoldver}; 1643: } 1644: if ($idx > 0) { 1645: my %subversions = (); 1646: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1647: $subject = &mt('Re: ').$subversions{$numoldver}; 1648: } 1649: $subject = &HTML::Entities::encode($subject,'<>&"'); 1650: } else { 1651: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1652: if ($idx > 0) { 1653: my %msgversions = (); 1654: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1655: $comment = $msgversions{$numoldver}; 1656: my %subversions = (); 1657: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1658: $subject = $subversions{$numoldver}; 1659: } 1660: if (defined($contrib{$idx.':replyto'})) { 1661: $parentmsg = $contrib{$idx.':replyto'}; 1662: } 1663: unless (exists($env{'form.origpage'})) { 1664: my $anonflag = 'nonanon'; 1665: if ($contrib{$idx.':anonymous'}) { 1666: $anonflag = 'anon'; 1667: } 1668: $anonscript = (<<END); 1669: function setposttype () { 1670: var currtype = "$anonflag"; 1671: for (var i=0; i<document.mailform.discuss.length; i++) { 1672: if (document.mailform.elements.discuss[i].value == currtype ) { 1673: document.mailform.elements.discuss[i].checked=1; 1674: } 1675: } 1676: return 1677: } 1678: END 1679: } 1680: } 1681: } 1682: if ($env{'form.previous'}) { 1683: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1684: } 1685: } 1686: 1687: if ($env{'form.origpage'}) { 1688: $subject = &unescape($env{'form.subject'}); 1689: $comment = &unescape($env{'form.comment'}); 1690: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1691: } 1692: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0)); 1693: my $send=&mt('Send'); 1694: my $alert = &mt('Please select a feedback type.'); 1695: my $js= <<END; 1696: <script type="text/javascript"> 1697: // 1731: </script> 1732: END 1733: 1734: my ($textareaheader,$textareaclass); 1735: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1736: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1737: $textareaclass = 'class="LC_richDefaultOff"'; 1738: if ($env{'request.course.id'}) { 1739: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1740: undef($textareaclass); 1741: } 1742: } 1743: } 1744: 1745: # Breadcrumbs 1746: my $brcrum = [{'href' => '', 1747: 'text' => 'Resource Feedback and Discussion'}]; 1748: 1749: my %onload = ('onload' => 'window.focus();setposttype();'); 1750: my %parms=('add_entries' => \%onload); 1751: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1752: my $start_page= 1753: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1754: 1755: if ($quote ne '') { 1756: $quote = &HTML::Entities::decode($quote); 1757: unless (&contains_block_html($quote)) { 1758: &newline_to_br(\$quote); 1759: } 1760: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1761: } 1762: my $header=''; 1763: unless ($env{'form.modal'}) { 1764: $header="<h2><tt>$restitle</tt></h2>"; 1765: } 1766: $r->print(<<END); 1767: $start_page 1768: $header 1769: <form action="/adm/feedback" method="post" name="mailform" 1770: enctype="multipart/form-data"> 1771: $prevtag 1772: <input type="hidden" name="postdata" value="$feedurl" /> 1773: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1774: END 1775: if ($env{'form.replydisc'}) { 1776: $r->print(<<END); 1777: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1778: END 1779: } elsif ($env{'form.editdisc'}) { 1780: $r->print(<<END); 1781: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1782: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1783: END 1784: } 1785: $r->print(<<END); 1786: $options 1787: $quote 1788: <p>$lt{'myqu'} 1789: $textareaheader 1790: </p> 1791: <p> 1792: $latexHelp 1793: </p> 1794: <p> 1795: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1796: <p> 1797: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1798: </textarea></p> 1799: END 1800: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1801: if ($env{'form.origpage'}) { 1802: foreach my $attach (@currnewattach) { 1803: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1804: } 1805: foreach my $oldatt (@currdelold) { 1806: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1807: } 1808: } 1809: if ($env{'form.editdisc'}) { 1810: if ($attachmenturls) { 1811: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1812: $attachnum = scalar(keys(%currattach)); 1813: foreach my $key (keys(%currattach)) { 1814: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1815: } 1816: } 1817: } 1818: } else { 1819: $r->print(<<END); 1820: <p> 1821: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1822: </p> 1823: END 1824: } 1825: if (exists($env{'form.group'})) { 1826: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1827: } 1828: if (exists($env{'form.ref'})) { 1829: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1830: } 1831: $r->print(<<END); 1832: <p> 1833: <input type="hidden" name="sendit" value="1" /> 1834: <input type="button" value="$send" onclick='gosubmit();' /> 1835: </p> 1836: </form> 1837: END 1838: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1839: my $now = time; 1840: my $ressymb = $symb; 1841: &Apache::lonenc::check_encrypt(\$ressymb); 1842: my $postidx = ''; 1843: if ($env{'form.editdisc'}) { 1844: $postidx = $idx; 1845: } 1846: if (@currnewattach > 0) { 1847: $attachnum += @currnewattach; 1848: } 1849: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1850: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1851: if ($attachnum > 0) { 1852: if (@currnewattach > 0) { 1853: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1854: if (@currnewattach > 1) { 1855: $newattachmsg .= '<ol>'; 1856: foreach my $item (@currnewattach) { 1857: $item =~ m#.*/([^/]+)$#; 1858: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1859: } 1860: $newattachmsg .= '</ol>'."\n"; 1861: } else { 1862: $currnewattach[0] =~ m#.*/([^/]+)$#; 1863: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1864: } 1865: } 1866: if ($attachmsg) { 1867: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1868: } 1869: if ($newattachmsg) { 1870: $r->print("$newattachmsg<br />"); 1871: } 1872: } 1873: } 1874: $r->print(&generate_preview_button(). 1875: &Apache::loncommon::end_page()); 1876: 1877: } 1878: 1879: sub print_display_options { 1880: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1881: &Apache::loncommon::content_type($r,'text/html'); 1882: $r->send_http_header; 1883: 1884: my $function = &Apache::loncommon::get_users_function(); 1885: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1886: $env{'user.domain'}); 1887: 1888: my %lt = &Apache::lonlocal::texthash( 1889: 'pref' => 'Display Preference', 1890: 'curr' => 'Current setting ', 1891: 'actn' => 'Action', 1892: 'deff' => 'Default for all discussions', 1893: 'prca' => 'Preferences can be set for this discussion that determine ....', 1894: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1895: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1896: 'wipa' => 'Whether individual posts can be marked as read/unread', 1897: 'allposts' => 'All posts', 1898: 'unread' => 'New posts only', 1899: 'unmark' => 'Posts not marked read', 1900: 'ondisp' => 'Once displayed', 1901: 'onmark' => 'Once marked not NEW', 1902: 'toggon' => 'Shown', 1903: 'toggoff' => 'Not shown', 1904: 'disa' => 'Posts displayed?', 1905: 'npmr' => 'New posts cease to be identified as "NEW"?', 1906: 'dotm' => 'Option to mark each post as read/unread?', 1907: 'chgt' => 'Change to ', 1908: 'mkdf' => 'Set to ', 1909: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1910: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1911: ); 1912: 1913: my $dispchangeA = $lt{'unread'}; 1914: my $dispchangeB = $lt{'unmark'}; 1915: my $markchange = $lt{'ondisp'}; 1916: my $toggchange = $lt{'toggon'}; 1917: my $currdisp = $lt{'allposts'}; 1918: my $currmark = $lt{'onmark'}; 1919: my $discdisp = 'allposts'; 1920: my $discmark = 'onmark'; 1921: my $currtogg = $lt{'toggoff'}; 1922: my $disctogg = 'toggoff'; 1923: 1924: if ($dispchgA eq 'allposts') { 1925: $dispchangeA = $lt{'allposts'}; 1926: $currdisp = $lt{'unread'}; 1927: $discdisp = 'unread'; 1928: } 1929: 1930: if ($markchg eq 'markonread') { 1931: $markchange = $lt{'onmark'}; 1932: $currmark = $lt{'ondisp'}; 1933: $discmark = 'ondisp'; 1934: } 1935: 1936: if ($dispchgB eq 'onlyunread') { 1937: $dispchangeB = $lt{'unread'}; 1938: $currdisp = $lt{'unmark'}; 1939: $discdisp = 'unmark'; 1940: } 1941: if ($toggchg eq 'toggoff') { 1942: $toggchange = $lt{'toggoff'}; 1943: $currtogg = $lt{'toggon'}; 1944: $disctogg = 'toggon'; 1945: } 1946: 1947: my $js = <<END; 1948: <script type="text/javascript"> 1949: function discdispChk(caller) { 1950: var disctogg = '$toggchg' 1951: if (caller == 0) { 1952: if (document.modifydisp.discdisp[0].checked == true) { 1953: if (document.modifydisp.discdisp[1].checked == true) { 1954: document.modifydisp.discdisp[1].checked = false 1955: } 1956: } 1957: } 1958: if (caller == 1) { 1959: if (document.modifydisp.discdisp[1].checked == true) { 1960: if (document.modifydisp.discdisp[0].checked == true) { 1961: document.modifydisp.discdisp[0].checked = false 1962: } 1963: if (disctogg == 'toggon') { 1964: document.modifydisp.disctogg.checked = true 1965: } 1966: if (disctogg == 'toggoff') { 1967: document.modifydisp.disctogg.checked = false 1968: } 1969: } 1970: } 1971: if (caller == 2) { 1972: var dispchgB = '$dispchgB' 1973: if (disctogg == 'toggoff') { 1974: if (document.modifydisp.disctogg.checked == true) { 1975: if (dispchgB == 'onlyunmark') { 1976: document.modifydisp.discdisp[1].checked = false 1977: } 1978: } 1979: } 1980: } 1981: } 1982: 1983: function setDisp() { 1984: var prev = "$previous" 1985: var chktotal = 0 1986: if (document.modifydisp.discdisp[0].checked == true) { 1987: document.modifydisp.$dispchgA.value = "$symb" 1988: chktotal ++ 1989: } 1990: if (document.modifydisp.discdisp[1].checked == true) { 1991: document.modifydisp.$dispchgB.value = "$symb" 1992: chktotal ++ 1993: } 1994: if (document.modifydisp.discmark.checked == true) { 1995: document.modifydisp.$markchg.value = "$symb" 1996: chktotal ++ 1997: } 1998: if (document.modifydisp.disctogg.checked == true) { 1999: document.modifydisp.$toggchg.value = "$symb" 2000: chktotal ++ 2001: } 2002: if (chktotal > 0) { 2003: document.modifydisp.submit() 2004: } else { 2005: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2006: if (prev > 0) { 2007: location.href = "$feedurl?previous=$previous" 2008: } else { 2009: location.href = "$feedurl" 2010: } 2011: } 2012: } 2013: } 2014: </script> 2015: END 2016: 2017: 2018: my $start_page = 2019: &Apache::loncommon::start_page('Discussion display options',$js); 2020: my $end_page = 2021: &Apache::loncommon::end_page(); 2022: $r->print(<<END); 2023: $start_page 2024: <form name="modifydisp" method="post" action="/adm/feedback"> 2025: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2026: <br /> 2027: END 2028: $r->print(&Apache::loncommon::start_data_table()); 2029: $r->print(<<END); 2030: <tr> 2031: <th>$lt{'pref'}</td> 2032: <th>$lt{'curr'}</td> 2033: <th>$lt{'actn'}?</td> 2034: </tr> 2035: END 2036: $r->print(&Apache::loncommon::start_data_table_row()); 2037: $r->print(<<END); 2038: <td>$lt{'disa'}</td> 2039: <td>$lt{$discdisp}</td> 2040: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2041: <br /> 2042: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2043: </td> 2044: END 2045: $r->print(&Apache::loncommon::end_data_table_row()); 2046: $r->print(&Apache::loncommon::start_data_table_row()); 2047: $r->print(<<END); 2048: <td>$lt{'npmr'}</td> 2049: <td>$lt{$discmark}</td> 2050: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2051: END 2052: $r->print(&Apache::loncommon::end_data_table_row()); 2053: $r->print(&Apache::loncommon::start_data_table_row()); 2054: $r->print(<<END); 2055: <td>$lt{'dotm'}</td> 2056: <td>$lt{$disctogg}</td> 2057: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2058: END 2059: my $save = &mt('Save'); 2060: $r->print(&Apache::loncommon::end_data_table_row()); 2061: $r->print(&Apache::loncommon::end_data_table()); 2062: $r->print(<<END); 2063: <br /> 2064: <br /> 2065: <input type="hidden" name="symb" value="$symb" /> 2066: <input type="hidden" name="previous" value="$previous" /> 2067: <input type="hidden" name="$dispchgA" value="" /> 2068: <input type="hidden" name="$dispchgB" value="" /> 2069: <input type="hidden" name="$markchg" value="" /> 2070: <input type="hidden" name="$toggchg" value="" /> 2071: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2072: END 2073: if (exists($env{'form.group'})) { 2074: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2075: } 2076: if (exists($env{'form.ref'})) { 2077: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2078: } 2079: $r->print(" 2080: <br /> 2081: <br /> 2082: </form> 2083: $end_page 2084: "); 2085: return; 2086: } 2087: 2088: sub print_sortfilter_options { 2089: my ($r,$symb,$previous,$feedurl) = @_; 2090: 2091: &Apache::loncommon::content_type($r,'text/html'); 2092: $r->send_http_header; 2093: 2094: &Apache::lonenc::check_encrypt(\$symb); 2095: my @sections; 2096: my $section_sel = ''; 2097: my $numvisible = 5; 2098: my @groups; 2099: my $group_sel = ''; 2100: my $numgroupvis = 5; 2101: my %sectioncount = &Apache::loncommon::get_sections(); 2102: my @courseroles = qw(st ad ep ta in); 2103: my $crstype = &Apache::loncommon::course_type(); 2104: my $ccrole = 'cc'; 2105: if ($crstype eq 'Community') { 2106: $ccrole = 'co'; 2107: } 2108: push(@courseroles,$ccrole); 2109: 2110: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2111: @sections = ('all',$env{'request.course.sec'}); 2112: $numvisible = 2; 2113: } else { 2114: @sections = sort {$a cmp $b} keys(%sectioncount); 2115: if (scalar(@sections) < 4) { 2116: $numvisible = scalar(@sections) + 1; 2117: } 2118: unshift(@sections,'all'); # Put 'all' at the front of the list 2119: 2120: } 2121: foreach my $sec (@sections) { 2122: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2123: } 2124: 2125: if (&check_group_priv() eq 'ok') { 2126: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2127: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2128: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2129: @groups = sort {$a cmp $b} keys(%curr_groups); 2130: if (scalar(@groups) < 4) { 2131: $numgroupvis = scalar(@groups) + 1; 2132: } 2133: unshift(@groups,'all'); # Put 'all' at the front of the list 2134: } else { 2135: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2136: if (@coursegroups > 0) { 2137: @coursegroups = sort {$a cmp $b} @coursegroups; 2138: @groups = ('all',@coursegroups); 2139: if (scalar(@groups) < 4) { 2140: $numgroupvis = scalar(@groups) + 1; 2141: } 2142: } else { 2143: @groups = ('all'); 2144: $numgroupvis = 1; 2145: } 2146: } 2147: foreach my $group (@groups) { 2148: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2149: } 2150: 2151: my $function = &Apache::loncommon::get_users_function(); 2152: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2153: $env{'user.domain'}); 2154: my %lt = &Apache::lonlocal::texthash( 2155: 'diop' => 'Display Options', 2156: 'curr' => 'Current setting ', 2157: 'actn' => 'Action', 2158: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2159: 'soor' => 'Sort order', 2160: 'spur' => 'Specific user roles', 2161: 'sprs' => 'Specific role status', 2162: 'spse' => 'Specific sections', 2163: 'spgr' => 'Specific groups', 2164: 'psub' => 'Pick specific users (by name)', 2165: 'shal' => 'Show a list of current posters', 2166: 'stor' => 'Save changes', 2167: ); 2168: 2169: my %sort_types = (); 2170: my %role_types = (); 2171: my %status_types = (); 2172: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2173: 2174: my $js = <<END; 2175: <script type="text/javascript"> 2176: function verifyFilter() { 2177: var rolenum = 0 2178: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2179: if (document.modifyshown.rolefilter.options[i].selected == true) { 2180: rolenum ++ 2181: } 2182: } 2183: if (rolenum == 0) { 2184: document.modifyshown.rolefilter.options[0].selected = true 2185: } 2186: 2187: var secnum = 0 2188: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2189: if (document.modifyshown.sectionpick.options[i].selected == true) { 2190: secnum ++ 2191: } 2192: } 2193: if (secnum == 0) { 2194: document.modifyshown.sectionpick.options[0].selected = true 2195: } 2196: 2197: var grpnum = 0 2198: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2199: if (document.modifyshown.grouppick.options[i].selected == true) { 2200: grpnum ++ 2201: } 2202: } 2203: if (grpnum == 0) { 2204: document.modifyshown.grouppick.options[0].selected = true 2205: } 2206: 2207: document.modifyshown.submit(); 2208: } 2209: </script> 2210: END 2211: 2212: my $start_page= 2213: &Apache::loncommon::start_page('Discussion options',$js); 2214: my $end_page= 2215: &Apache::loncommon::end_page(); 2216: 2217: $r->print(<<END); 2218: $start_page 2219: <form name="modifyshown" method="post" action="/adm/feedback"> 2220: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2221: <br /> 2222: <table border="0"> 2223: <tr> 2224: <th>$lt{'soor'}</th> 2225: <th> </th> 2226: <th>$lt{'sprs'}</th> 2227: <th> </th> 2228: <th>$lt{'spur'}</th> 2229: <th> </th> 2230: <th>$lt{'spse'}</th> 2231: <th> </th> 2232: <th>$lt{'spgr'}</th> 2233: <th> </th> 2234: <th>$lt{'psub'}</th> 2235: </tr> 2236: <tr> 2237: <td align="center" valign="top"> 2238: <select name="sortposts"> 2239: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2240: <option value="descdate">$sort_types{'descdate'}</option> 2241: <option value="thread">$sort_types{'thread'}</option> 2242: <option value="subject">$sort_types{'subject'}</option> 2243: <option value="username">$sort_types{'username'}</option> 2244: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2245: </select> 2246: </td> 2247: <td> </td> 2248: <td align="center" valign="top"> 2249: <select name="statusfilter"> 2250: <option value="all" selected="selected">$status_types{'all'}</option> 2251: <option value="Active">$status_types{'Active'}</option> 2252: <option value="Expired">$status_types{'Expired'}</option> 2253: <option value="Future">$status_types{'Future'}</option> 2254: </select> 2255: </td> 2256: <td> </td> 2257: <td align="center" valign="top"> 2258: <select name="rolefilter" multiple="multiple" size="5"> 2259: <option value="all">$role_types{'all'}</option> 2260: <option value="st">$role_types{'st'}</option> 2261: <option value="$ccrole">$role_types{$ccrole}</option> 2262: <option value="in">$role_types{'in'}</option> 2263: <option value="ta">$role_types{'ta'}</option> 2264: <option value="ep">$role_types{'ep'}</option> 2265: <option value="ad">$role_types{'ad'}</option> 2266: <option value="cr">$role_types{'cr'}</option> 2267: </select> 2268: </td> 2269: <td> </td> 2270: <td align="center" valign="top"> 2271: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2272: $section_sel 2273: </select> 2274: </td> 2275: <td> </td> 2276: <td align="center" valign="top"> 2277: <select name="grouppick" multiple="multiple" size="$numvisible"> 2278: $group_sel 2279: </select> 2280: </td> 2281: <td> </td> 2282: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2283: </tr> 2284: </table> 2285: <br /> 2286: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" /> 2287: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2288: <input type="hidden" name="previous" value="$previous" /> 2289: <input type="hidden" name="applysort" value="$symb" /> 2290: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2291: END 2292: if (exists($env{'form.group'})) { 2293: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2294: } 2295: if (exists($env{'form.ref'})) { 2296: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2297: } 2298: $r->print(" 2299: <br /> 2300: <br /> 2301: </form> 2302: $end_page 2303: "); 2304: } 2305: 2306: sub print_showposters { 2307: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2308: 2309: &Apache::loncommon::content_type($r,'text/html'); 2310: $r->send_http_header; 2311: 2312: &Apache::lonenc::check_encrypt(\$symb); 2313: my $crs='/'.$env{'request.course.id'}; 2314: if ($env{'request.course.sec'}) { 2315: $crs.='_'.$env{'request.course.sec'}; 2316: } 2317: $crs=~s/\_/\//g; 2318: my $seeid; 2319: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2320: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2321: my $group = $env{'form.group'}; 2322: my $ressymb = &wrap_symb($symb); 2323: if (($group ne '') && 2324: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2325: if (&check_group_priv($group,'dgp') eq 'ok') { 2326: $seeid = 1; 2327: } 2328: } else { 2329: $seeid=&Apache::lonnet::allowed('rin',$crs); 2330: } 2331: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2332: $cdom,$cnum); 2333: my %namesort = (); 2334: my %postcounts = (); 2335: 2336: my %lt = &Apache::lonlocal::texthash( 2337: sele => 'Select', 2338: full => 'Fullname', 2339: usdo => 'Username:domain', 2340: post => 'Posts', 2341: ); 2342: if ($contrib{'version'}) { 2343: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2344: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2345: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2346: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2347: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2348: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2349: my $lastname = $names{'lastname'}; 2350: my $firstname = $names{'firstname'}; 2351: if ($lastname eq '') { 2352: $lastname = '_'; 2353: } 2354: if ($firstname eq '') { 2355: $firstname = '_'; 2356: } 2357: unless (defined($namesort{$lastname})) { 2358: %{$namesort{$lastname}} = (); 2359: } 2360: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2361: $postcounts{$poster} ++; 2362: if (defined($namesort{$lastname}{$firstname})) { 2363: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2364: push(@{$namesort{$lastname}{$firstname}}, $poster); 2365: } 2366: } else { 2367: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2368: } 2369: } 2370: } 2371: } 2372: } 2373: 2374: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2375: my $table_start =&Apache::loncommon::start_data_table(); 2376: $r->print(<<END); 2377: $start_page 2378: <form name="pickpostersform" method="post"> 2379: <br /> 2380: $table_start 2381: <tr> 2382: <th>#</th> 2383: <th>$lt{'sele'}</th> 2384: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2385: <th>$lt{'post'}</th> 2386: </tr> 2387: END 2388: my $count = 0; 2389: foreach my $last (sort(keys(%namesort))) { 2390: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2391: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2392: my ($uname,$udom) = split(/:/,$user); 2393: if (!$uname || !$udom) { 2394: next; 2395: } else { 2396: $count ++; 2397: $r->print(&Apache::loncommon::start_data_table_row(). 2398: '<td align="right">'.$count.'</td> 2399: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2400: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2401: <td>'.$postcounts{$user}.'</td>'. 2402: &Apache::loncommon::end_data_table_row()); 2403: } 2404: } 2405: } 2406: } 2407: $r->print(&Apache::loncommon::end_data_table()); 2408: my $end_page = &Apache::loncommon::end_page(); 2409: $r->print(<<END); 2410: <br /> 2411: <input type="hidden" name="sortposts" value="$sortposts" /> 2412: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2413: <input type="hidden" name="userpick" value="$symb" /> 2414: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2415: </form> 2416: $end_page 2417: END 2418: } 2419: 2420: sub get_post_versions { 2421: my ($versions,$incoming,$htmldecode,$numver) = @_; 2422: if ($incoming =~ /^<version num="0">/) { 2423: my $p = HTML::LCParser->new(\$incoming); 2424: my $done = 0; 2425: 2426: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2427: my $num = $token->[1]{num}; 2428: my $text = $p->get_text("/version"); 2429: if (defined($numver)) { 2430: if ($num == $numver) { 2431: if ($htmldecode) { 2432: $text = &HTML::Entities::decode($text); 2433: } 2434: $$versions{$numver}=$text; 2435: $done = 1; 2436: } 2437: } else { 2438: if ($htmldecode) { 2439: $text = &HTML::Entities::decode($text); 2440: } 2441: $$versions{$num}=$text; 2442: } 2443: } 2444: } else { 2445: if (!defined($numver)) { 2446: $numver = 0; 2447: } 2448: if ($htmldecode) { 2449: $$versions{$numver} = $incoming; 2450: } else { 2451: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2452: } 2453: } 2454: return; 2455: } 2456: 2457: sub get_post_attachments { 2458: my ($attachments,$attachmenturls) = @_; 2459: my $num; 2460: if ($attachmenturls =~ m/^<attachment id="0">/) { 2461: my $p = HTML::LCParser->new(\$attachmenturls); 2462: while (my $token = $p->get_tag("attachment","filename","post")) { 2463: if ($token->[0] eq "attachment") { 2464: $num = $token->[1]{id}; 2465: %{$$attachments{$num}} =(); 2466: } elsif ($token->[0] eq "filename") { 2467: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2468: } elsif ($token->[0] eq "post") { 2469: my $id = $token->[1]{id}; 2470: $$attachments{$num}{$id} = $p->get_text("/post"); 2471: } 2472: } 2473: } else { 2474: %{$$attachments{'0'}} = (); 2475: $$attachments{'0'}{'filename'} = $attachmenturls; 2476: $$attachments{'0'}{'0'} = 'n'; 2477: } 2478: 2479: return; 2480: } 2481: 2482: sub fail_redirect { 2483: my ($r,$feedurl) = @_; 2484: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2485: my %lt = &Apache::lonlocal::texthash( 2486: 'sorr' => 'Sorry, no recipients ...', 2487: ); 2488: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2489: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2490: {'redirect' => [2,$feedurl], 2491: 'only_body' => 1,})); 2492: $r->print(<<ENDFAILREDIR); 2493: <img align="right" src="$logo" /> 2494: <b>$lt{'sorr'}</b> 2495: ENDFAILREDIR 2496: $r->print(&Apache::loncommon::end_page()); 2497: } 2498: 2499: sub redirect_back { 2500: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2501: my $sorttag = ''; 2502: my $roletag = ''; 2503: my $statustag = ''; 2504: my $sectag = ''; 2505: my $grptag = ''; 2506: my $userpicktag = ''; 2507: my $qrystr = ''; 2508: my $prevtag = ''; 2509: 2510: &Apache::loncommon::content_type($r,'text/html'); 2511: $r->send_http_header; 2512: &dewrapper(\$feedurl); 2513: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2514: if ($previous > 0) { 2515: $qrystr = 'previous='.$previous; 2516: if ($feedurl =~ /\?register=1/) { 2517: $feedurl .= '&'.$qrystr; 2518: } else { 2519: $feedurl .= '?'.$qrystr; 2520: } 2521: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2522: } 2523: if (defined($sort)) { 2524: my $sortqry = 'sortposts='.$sort; 2525: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2526: $feedurl .= '&'.$sortqry; 2527: } else { 2528: $feedurl .= '?'.$sortqry; 2529: } 2530: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2531: if (defined($numpicks)) { 2532: my $userpickqry = 'totposters='.$numpicks; 2533: $feedurl .= '&'.$userpickqry; 2534: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2535: } else { 2536: if (ref($sectionpick) eq 'ARRAY') { 2537: $feedurl .= '&sectionpick='; 2538: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2539: foreach my $sec (@{$sectionpick}) { 2540: $feedurl .= $sec.','; 2541: $sectag .= $sec.','; 2542: } 2543: $feedurl =~ s/,$//; 2544: $sectag =~ s/,$//; 2545: $sectag .= '" />'; 2546: } else { 2547: $feedurl .= '&sectionpick='.$sectionpick; 2548: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2549: } 2550: if (ref($grouppick) eq 'ARRAY') { 2551: $feedurl .= '&grouppick='; 2552: $sectag .= '<input type="hidden" name="grouppick" value="'; 2553: foreach my $grp (@{$grouppick}) { 2554: $feedurl .= $grp.','; 2555: $grptag .= $grp.','; 2556: } 2557: $feedurl =~ s/,$//; 2558: $grptag =~ s/,$//; 2559: $grptag .= '" />'; 2560: } else { 2561: $feedurl .= '&grouppick='.$grouppick; 2562: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2563: } 2564: if (ref($rolefilter) eq 'ARRAY') { 2565: $feedurl .= '&rolefilter='; 2566: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2567: foreach my $role (@{$rolefilter}) { 2568: $feedurl .= $role.','; 2569: $roletag .= $role.','; 2570: } 2571: $feedurl =~ s/,$//; 2572: $roletag =~ s/,$//; 2573: $roletag .= '" />'; 2574: } else { 2575: $feedurl .= '&rolefilter='.$rolefilter; 2576: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2577: } 2578: $feedurl .= '&statusfilter='.$statusfilter; 2579: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2580: } 2581: } 2582: my $grouptag; 2583: if ($group ne '') { 2584: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2585: my $refarg; 2586: if (exists($env{'form.ref'})) { 2587: $refarg = '&ref='.$env{'form.ref'}; 2588: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2589: } 2590: if ($feedurl =~ /\?/) { 2591: $feedurl .= '&group='.$group.$refarg; 2592: } else { 2593: $feedurl .= '?group='.$group.$refarg; 2594: } 2595: } 2596: &Apache::lonenc::check_encrypt(\$feedurl); 2597: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2598: my %parms=('only_body' => 1); 2599: if ($env{'form.modal'}) { 2600: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2601: } else { 2602: $parms{'redirect'}=[0,$feedurl]; 2603: } 2604: my $start_page= 2605: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2606: my $end_page = &Apache::loncommon::end_page(); 2607: $r->print(<<ENDREDIR); 2608: $start_page 2609: <img align="right" src="$logo" /> 2610: $typestyle 2611: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2612: $blog 2613: $toolarge 2614: <font color="red">$status</font> 2615: <form name="reldt" action="$feedurl" target="loncapaclient"> 2616: $prevtag 2617: $sorttag 2618: $statustag 2619: $roletag 2620: $sectag 2621: $grptag 2622: $userpicktag 2623: $grouptag 2624: </form> 2625: $end_page 2626: ENDREDIR 2627: } 2628: 2629: sub no_redirect_back { 2630: my ($r,$feedurl) = @_; 2631: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2632: 2633: my %onload; 2634: 2635: my %body_options = ('only_body' => 1, 2636: 'bgcolor' => '#FFFFFF', 2637: 'add_entries' => \%onload,); 2638: 2639: if ($feedurl !~ m{^/adm/feedback}) { 2640: $body_options{'rediect'} = [2,$feedurl]; 2641: } 2642: my $start_page= 2643: &Apache::loncommon::start_page('Feedback not sent',undef, 2644: \%body_options); 2645: 2646: my $end_page = &Apache::loncommon::end_page(); 2647: 2648: &Apache::lonenc::check_encrypt(\$feedurl); 2649: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2650: $r->print (<<ENDNOREDIRTWO); 2651: $start_page 2652: <img align="right" src="$logo" /> 2653: <b>$nofeed</b> 2654: <br /> 2655: $end_page 2656: ENDNOREDIRTWO 2657: } 2658: 2659: sub screen_header { 2660: my ($feedurl,$symb,$group) = @_; 2661: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2662: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2663: my $contribdisc = &mt('Contribution to course discussion of resource'); 2664: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2665: my $namevis = &mt('name only visible to course faculty'); 2666: my $crstype; 2667: if ($env{'request.course.id'}) { 2668: $crstype = &Apache::loncommon::course_type(); 2669: if ($crstype eq 'Community') { 2670: $crscontent = &mt('Question/Comment/Feedback about community content'); 2671: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2672: $contribdisc = &mt('Contribution to community discussion of resource'); 2673: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2674: $namevis = &mt('name only visible to community facilitators'); 2675: } 2676: } 2677: my $msgoptions=''; 2678: my $discussoptions=''; 2679: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2680: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2681: $msgoptions= 2682: '<p><label><input type="radio" name="discuss" value="author" /> '. 2683: &mt('Feedback to resource author').'</label></p>'; 2684: } 2685: my %optionhash=(); 2686: foreach my $type ('question','comment','policy') { 2687: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2688: } 2689: if (&feedback_available(1)) { 2690: $msgoptions.= 2691: '<p><label><input type="radio" name="discuss" value="question" /> '. 2692: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2693: } 2694: if (&feedback_available(0,1)) { 2695: $msgoptions.= 2696: '<p><label><input type="radio" name="discuss" value="course" /> '. 2697: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2698: '</label></p>'; 2699: } 2700: if (&feedback_available(0,0,1)) { 2701: $msgoptions.= 2702: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2703: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2704: '</label></p>'; 2705: } 2706: } 2707: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2708: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2709: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2710: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2711: my $realsymb = $symb; 2712: if ($symb=~/^bulletin___/) { 2713: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2714: $filename=~s|^adm/wrapper/||; 2715: $realsymb=&Apache::lonnet::symbread($filename); 2716: } 2717: if (!$blocked && &discussion_open(undef,$realsymb) && 2718: (&Apache::lonnet::allowed('pch', 2719: $env{'request.course.id'}. 2720: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2721: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2722: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2723: $contribdisc. 2724: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2725: $anoncontrib. 2726: ' <i>('.$namevis.')</i></label> '. 2727: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2728: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2729: if (!$blockblog) { 2730: $discussoptions.= &add_blog_checkbox($crstype); 2731: } 2732: } 2733: } 2734: if ($msgoptions) { 2735: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2736: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'. 2737: '<td>'.$msgoptions.'</td></tr>'; 2738: } 2739: if ($discussoptions) { 2740: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2741: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'. 2742: '<td>'.$discussoptions.'</td></tr>'; 2743: } 2744: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table(); 2745: } 2746: 2747: sub resource_output { 2748: my ($feedurl) = @_; 2749: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2750: $usersaw=~s/\<body[^\>]*\>//gi; 2751: $usersaw=~s/\<\/body\>//gi; 2752: $usersaw=~s/\<html\>//gi; 2753: $usersaw=~s/\<\/html\>//gi; 2754: $usersaw=~s/\<head\>//gi; 2755: $usersaw=~s/\<\/head\>//gi; 2756: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2757: return $usersaw; 2758: } 2759: 2760: sub clear_out_html { 2761: my ($message,$override)=@_; 2762: # Always allow the <m>-tag 2763: my %html=(M=>1); 2764: # Check if more is allowed 2765: my $cid=$env{'request.course.id'}; 2766: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2767: ($override)) { 2768: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2769: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2770: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2771: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2772: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2773: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2774: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2775: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2776: } 2777: # Do the substitution of everything that is not explicitly allowed 2778: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2779: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2780: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2781: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2782: return $message; 2783: } 2784: 2785: sub assemble_email { 2786: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2787: my %lt = &Apache::lonlocal::texthash( 2788: 'prev' => 'Previous attempts of student (if applicable)', 2789: 'orig' => 'Original screen output (if applicable)', 2790: 'corr' => 'Correct Answer(s) (if applicable)', 2791: ); 2792: if (&Apache::loncommon::course_type() eq 'Community') { 2793: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2794: } 2795: my $email=<<"ENDEMAIL"; 2796: $message 2797: ENDEMAIL 2798: my $citations=<<"ENDCITE"; 2799: <h2>$lt{'prev'}</h2> 2800: $prevattempts 2801: <br /><hr /> 2802: <h2>$lt{'orig'}</h2> 2803: $usersaw 2804: <h2>$lt{'corr'}</h2> 2805: $useranswer 2806: ENDCITE 2807: return ($email,$citations); 2808: } 2809: 2810: 2811: sub feedback_available { 2812: my ($question,$course,$policy)=@_; 2813: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2814: $course,$policy); 2815: return scalar(%to); 2816: } 2817: 2818: sub send_msg { 2819: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2820: my $status=''; 2821: my $sendsomething=0; 2822: my $restitle = &get_resource_title($symb,$feedurl); 2823: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2824: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2825: foreach my $key (keys(%to)) { 2826: if ($key) { 2827: my ($user,$domain) = split(/\:/,$key,2); 2828: if (!defined($user)) { 2829: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2830: } elsif (!defined($domain)) { 2831: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2832: } else { 2833: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2834: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2835: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2836: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2837: } else { 2838: $sendsomething++; 2839: } 2840: } 2841: } 2842: } 2843: 2844: # Records of number of feedback messages are kept under the "symb" called "_feedback" 2845: # There are two entries within the framework of a course: 2846: # - the URLs for which feedback was provided 2847: # - the total number of contributions 2848: if ($sendsomething) { 2849: my %record=&getfeedbackrecords(); 2850: my ($temp)=keys(%record); 2851: unless ($temp=~/^error\:/) { 2852: my %newrecord=(); 2853: $newrecord{'resource'}=$feedurl; 2854: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2855: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2856: $status.='<br />'.&mt('Not registered').'<br />'; 2857: } 2858: } 2859: } 2860: return ($status,$sendsomething); 2861: } 2862: 2863: # Routine to get the complete feedback records 2864: 2865: sub getfeedbackrecords { 2866: my ($uname,$udom,$course)=@_; 2867: unless ($uname) { $uname=$env{'user.name'}; } 2868: unless ($udom) { $udom=$env{'user.domain'}; } 2869: unless ($course) { $course=$env{'request.course.id'}; } 2870: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname); 2871: return %record; 2872: } 2873: 2874: # Routine to get feedback statistics 2875: 2876: sub getfeedbackstats { 2877: my %record=&getfeedbackrecords(@_); 2878: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 2879: } 2880: 2881: # Store feedback credit 2882: 2883: sub storefeedbackpoints { 2884: my ($points,$uname,$udom,$course)=@_; 2885: unless ($points) { $points=0; } 2886: unless ($uname) { $uname=$env{'user.name'}; } 2887: unless ($udom) { $udom=$env{'user.domain'}; } 2888: unless ($course) { $course=$env{'request.course.id'}; } 2889: my %record=('grader_user' => $env{'user.name'}, 2890: 'grader_domain' => $env{'user.domain'}, 2891: 'points' => $points); 2892: return &Apache::lonnet::cstore(\%record,'_feedback'); 2893: } 2894: 2895: # Store feedback "likes" 2896: 2897: sub storefeedbacklikes { 2898: my ($likes,$uname,$udom,$course)=@_; 2899: unless ($likes) { $likes=0; } 2900: if ($likes>0) { $likes=1; } 2901: if ($likes<0) { $likes=-1; } 2902: unless ($uname) { $uname=$env{'user.name'}; } 2903: unless ($udom) { $udom=$env{'user.domain'}; } 2904: unless ($course) { $course=$env{'request.course.id'}; } 2905: my %record=&getfeedbackrecords($uname,$udom,$course); 2906: my $totallikes=$record{'totallikes'}; 2907: $totallikes+=$likes; 2908: my %newrecord=('likes_user' => $env{'user.name'}, 2909: 'likes_domain' => $env{'user.domain'}, 2910: 'likes' => $likes, 2911: 'totallikes' => $totallikes); 2912: return &Apache::lonnet::cstore(\%newrecord,'_feedback'); 2913: } 2914: 2915: 2916: sub adddiscuss { 2917: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2918: my $status=''; 2919: my $realsymb; 2920: if ($symb=~/^bulletin___/) { 2921: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2922: $filename=~s|^adm/wrapper/||; 2923: $realsymb=&Apache::lonnet::symbread($filename); 2924: } 2925: my ($cnum,$cdom); 2926: if ($env{'request.course.id'}) { 2927: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2928: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2929: } 2930: if (&discussion_open(undef,$realsymb) && 2931: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2932: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2933: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2934: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2935: 2936: my %contrib=('message' => $email, 2937: 'sendername' => $env{'user.name'}, 2938: 'senderdomain' => $env{'user.domain'}, 2939: 'screenname' => $env{'environment.screenname'}, 2940: 'plainname' => $env{'environment.firstname'}.' '. 2941: $env{'environment.middlename'}.' '. 2942: $env{'environment.lastname'}.' '. 2943: $env{'enrironment.generation'}, 2944: 'attachmenturl'=> $attachmenturl, 2945: 'subject' => $subject); 2946: if ($env{'form.replydisc'}) { 2947: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2948: } 2949: if ($anon) { 2950: $contrib{'anonymous'}='true'; 2951: } 2952: if (($symb) && ($email)) { 2953: my $now = time; 2954: if ($env{'form.editdisc'}) { 2955: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2956: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2957: $contrib{'timestamp'} = $now; 2958: $contrib{'history'} = ''; 2959: my $numoldver = 0; 2960: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2961: &Apache::lonenc::check_decrypt(\$oldsymb); 2962: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2963: # get timestamp for last post and history 2964: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2965: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2966: $env{'course.'.$env{'request.course.id'}.'.num'}); 2967: if (defined($oldcontrib{$oldidx.':replyto'})) { 2968: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2969: } 2970: if (defined($oldcontrib{$oldidx.':history'})) { 2971: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2972: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2973: $numoldver = @oldversions; 2974: } else { 2975: $numoldver = 1; 2976: } 2977: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2978: } 2979: my $numnewver = $numoldver + 1; 2980: if (defined($oldcontrib{$oldidx.':subject'})) { 2981: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2982: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2983: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2984: } else { 2985: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2986: } 2987: } 2988: if (defined($oldcontrib{$oldidx.':message'})) { 2989: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2990: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2991: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2992: } else { 2993: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2994: } 2995: } 2996: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2997: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2998: $oldsymb,$oldidx,\%contrib, 2999: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3000: $env{'course.'.$env{'request.course.id'}.'.num'}); 3001: $status='Editing class discussion'.($anon?' (anonymous)':''); 3002: } else { 3003: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 3004: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 3005: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3006: $env{'course.'.$env{'request.course.id'}.'.num'}); 3007: } 3008: my %storenewentry=($symb => $now); 3009: $status.='<br />'.&mt('Updating discussion time').': '. 3010: &Apache::lonnet::put('discussiontimes',\%storenewentry, 3011: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3012: $env{'course.'.$env{'request.course.id'}.'.num'}); 3013: } 3014: my %record=&getdiscussionrecords(); 3015: my ($temp)=keys(%record); 3016: unless ($temp=~/^error\:/) { 3017: my %newrecord=(); 3018: $newrecord{'resource'}=$symb; 3019: $newrecord{'subnumber'}=$record{'subnumber'}+1; 3020: $status.='<br />'.&mt('Registering').': '. 3021: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3022: } 3023: } else { 3024: $status.='Failed.'; 3025: } 3026: return $status.'<br />'; 3027: } 3028: 3029: 3030: # Routine to get the complete discussion records 3031: 3032: sub getdiscussionrecords { 3033: my ($uname,$udom,$course)=@_; 3034: unless ($uname) { $uname=$env{'user.name'}; } 3035: unless ($udom) { $udom=$env{'user.domain'}; } 3036: unless ($course) { $course=$env{'request.course.id'}; } 3037: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname); 3038: return %record; 3039: } 3040: 3041: # Routine to get discussion statistics 3042: 3043: sub getdiscussionstats { 3044: my %record=&getdiscussionrecords(@_); 3045: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 3046: } 3047: 3048: 3049: # Store discussion credit 3050: 3051: sub storediscussionpoints { 3052: my ($points,$uname,$udom,$course)=@_; 3053: unless ($points) { $points=0; } 3054: unless ($uname) { $uname=$env{'user.name'}; } 3055: unless ($udom) { $udom=$env{'user.domain'}; } 3056: unless ($course) { $course=$env{'request.course.id'}; } 3057: my %record=('grader_user' => $env{'user.name'}, 3058: 'grader_domain' => $env{'user.domain'}, 3059: 'points' => $points); 3060: return &Apache::lonnet::cstore(\%record,'_discussion'); 3061: } 3062: 3063: # Store discussion "likes" 3064: 3065: sub storediscussionlikes { 3066: my ($likes,$uname,$udom,$course)=@_; 3067: unless ($likes) { $likes=0; } 3068: if ($likes>0) { $likes=1; } 3069: if ($likes<0) { $likes=-1; } 3070: unless ($uname) { $uname=$env{'user.name'}; } 3071: unless ($udom) { $udom=$env{'user.domain'}; } 3072: unless ($course) { $course=$env{'request.course.id'}; } 3073: my %record=&getdiscussionrecords($uname,$udom,$course); 3074: my $totallikes=$record{'totallikes'}; 3075: $totallikes+=$likes; 3076: my %newrecord=('likes_user' => $env{'user.name'}, 3077: 'likes_domain' => $env{'user.domain'}, 3078: 'likes' => $likes, 3079: 'totallikes' => $totallikes); 3080: return &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3081: } 3082: 3083: sub get_discussion_info { 3084: my ($idx,%contrib) = @_; 3085: my $changelast = 0; 3086: my $count = 0; 3087: my $hiddenflag = 0; 3088: my $deletedflag = 0; 3089: my ($hidden,$deleted,%info,$newlastdisc); 3090: my $version = $contrib{'version'}; 3091: if ($version) { 3092: for (my $id=$version; $id>0; $id--) { 3093: my $vkeys=$contrib{$id.':keys'}; 3094: my @keys=split(/:/,$vkeys); 3095: if (grep(/^hidden$/,@keys)) { 3096: if (!$hiddenflag) { 3097: $hidden = $contrib{$id.':hidden'}; 3098: $hiddenflag = 1; 3099: } 3100: } elsif (grep(/^deleted$/,@keys)) { 3101: if (!$deletedflag) { 3102: $deleted = $contrib{$id.':deleted'}; 3103: $deletedflag = 1; 3104: } 3105: } else { 3106: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 3107: $count++; 3108: $info{$count}{'id'} = $id; 3109: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 3110: } 3111: } 3112: } 3113: if ($info{'1'}{'id'} == $idx) { 3114: $changelast = 1; 3115: if ($count > 1) { 3116: $newlastdisc = $info{'2'}{'timestamp'}; 3117: } else { 3118: $newlastdisc = 0; 3119: } 3120: } 3121: } 3122: return ($changelast,$newlastdisc); 3123: } 3124: 3125: # ----------------------------------------------------------- Preview function 3126: 3127: sub show_preview { 3128: my ($r) = @_; 3129: &Apache::loncommon::content_type($r,'text/html'); 3130: $r->send_http_header; 3131: my $start_page= 3132: &Apache::loncommon::start_page('Preview',undef, 3133: {'only_body' => 1,}); 3134: 3135: my $message=&clear_out_html($env{'form.comment'}); 3136: &newline_to_br(\$message); 3137: $message=&Apache::lonspeller::markeduptext($message); 3138: $message=&Apache::lontexconvert::msgtexconverted($message); 3139: my $subject=&clear_out_html($env{'form.subject'}); 3140: $subject=~s/\n/\<br \/\>/g; 3141: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3142: 3143: my $end_page = &Apache::loncommon::end_page(); 3144: 3145: $r->print($start_page 3146: .'<h1>'.&mt('Preview').'</h1>' 3147: .&Apache::lonhtmlcommon::start_pick_box() 3148: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3149: .$subject 3150: .&Apache::lonhtmlcommon::row_closure() 3151: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3152: .$message 3153: .&Apache::lonhtmlcommon::row_closure(1) 3154: .&Apache::lonhtmlcommon::end_pick_box() 3155: .$end_page 3156: ); 3157: } 3158: 3159: sub contains_block_html { 3160: my ($message)=@_; 3161: return ($message =~ m{ 3162: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3163: \s* 3164: (\w+\=['"]\w+['"])* 3165: \s* 3166: ( 3167: \s*/>| 3168: >.*</\1\s*> 3169: )}xs 3170: ); 3171: } 3172: 3173: sub tidy_html { 3174: my ($message)=@_; 3175: # my $tidy = HTML::Tidy::libXML->new(); 3176: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3177: # $xhtml =~ m/<body>(.*)<\/body>/is; 3178: # my $clean = $1; 3179: # # remove any empty block-level tags 3180: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3181: # $message=$clean; 3182: return $message; 3183: } 3184: 3185: sub newline_to_br { 3186: my ($message)=@_; 3187: my $newmessage; 3188: my $parser=HTML::LCParser->new($message); 3189: while (my $token=$parser->get_token()) { 3190: if ($token->[0] eq 'T') { 3191: my $text=$token->[1]; 3192: $text=~s/\n/\<br \/\>/g; 3193: $newmessage.=$text; 3194: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3195: $newmessage.=$token->[1]; 3196: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3197: $newmessage.=$token->[2]; 3198: } elsif ($token->[0] eq 'S') { 3199: $newmessage.=$token->[4]; 3200: } 3201: 3202: } 3203: $$message=$newmessage; 3204: } 3205: 3206: sub generate_preview_button { 3207: my ($formname,$fieldname)=@_; 3208: unless ($formname) { $formname='mailform'; } 3209: unless ($fieldname) { $fieldname='comment'; } 3210: my $pre=&mt("Show Preview and Check Spelling"); 3211: return(<<ENDPREVIEW); 3212: <br /> 3213: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3214: <input type="hidden" name="subject" /> 3215: <input type="hidden" name="comment" /> 3216: <input type="button" value="$pre" 3217: 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();" /> 3218: </form> 3219: ENDPREVIEW 3220: } 3221: 3222: sub modify_attachments { 3223: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3224: $attachmaxtext,$toolarge)=@_; 3225: 3226: my %lt = &Apache::lonlocal::texthash( 3227: 'subj' => 'Subject', 3228: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3229: 'chth' => 'Check the checkboxes for any you wish to remove.', 3230: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3231: 'adda' => 'Add a new attachment to this post.', 3232: 'stch' => 'Save Changes', 3233: ); 3234: my $js = <<END; 3235: <script type="text/javascript"> 3236: function setAction () { 3237: document.modattachments.action = document.modattachments.origpage.value; 3238: document.modattachments.submit(); 3239: } 3240: </script> 3241: END 3242: 3243: # Breadcrumbs 3244: my $brcrum = [{'href' => '', 3245: 'text' => 'Discussion Post Attachments'}]; 3246: my %parms=(); 3247: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3248: 3249: my $start_page = 3250: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3251: 3252: my $orig_subject = &unescape($env{'form.subject'}); 3253: my $subject=&clear_out_html($orig_subject); 3254: $subject=~s/\n/\<br \/\>/g; 3255: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3256: my $timestamp=$env{'form.timestamp'}; 3257: my $numoldver=$env{'form.numoldver'}; 3258: 3259: my $msg = ''; 3260: my %attachments = (); 3261: my %currattach = (); 3262: if ($idx) { 3263: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3264: } 3265: &Apache::lonenc::check_encrypt(\$symb); 3266: 3267: my $end_page = 3268: &Apache::loncommon::end_page(); 3269: 3270: $r->print(<<END); 3271: $start_page 3272: $toolarge 3273: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3274: <br /> 3275: <table class="LC_data_table"> 3276: <tr> 3277: <td colspan="2"> 3278: <b>Subject:</b> <b>$subject</b><br /><br /> 3279: END 3280: if ($idx) { 3281: if ($attachmenturls) { 3282: my @currold = keys(%currattach); 3283: if (@currold > 0) { 3284: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3285: foreach my $id (@currold) { 3286: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3287: $attachurl =~ m#/([^/]+)$#; 3288: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3289: } 3290: $r->print("<br />"); 3291: } 3292: } 3293: } 3294: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3295: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3296: foreach my $attach (@{$currnewattach}) { 3297: $attach =~ m#/([^/]+)$#; 3298: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3299: } 3300: $r->print("<br />"); 3301: } 3302: $r->print(<<END); 3303: </td></tr> 3304: <tr> 3305: <td> 3306: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3307: </td> 3308: </tr> 3309: <tr> 3310: <td colspan="2">$attachmaxtext</td> 3311: </tr> 3312: </table> 3313: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3314: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3315: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3316: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3317: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3318: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3319: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3320: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3321: END 3322: foreach my $item (@{$currnewattach}) { 3323: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3324: } 3325: foreach my $item (@{$currdelold}) { 3326: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3327: } 3328: $r->print(<<END); 3329: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3330: </form> 3331: $end_page 3332: END 3333: return; 3334: } 3335: 3336: sub process_attachments { 3337: my ($currnewattach,$currdelold,$keepold) = @_; 3338: 3339: @{$currnewattach}= 3340: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3341: @{$currdelold}= 3342: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3343: if (exists($env{'form.delnewattach'})) { 3344: my @currdelnew = 3345: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3346: my @currnew = (); 3347: foreach my $newone (@{$currnewattach}) { 3348: my $delflag = 0; 3349: foreach my $item (@currdelnew) { 3350: if ($newone eq $item) { 3351: $delflag = 1; 3352: last; 3353: } 3354: } 3355: unless ($delflag) { 3356: push(@currnew, $newone); 3357: } 3358: } 3359: @{$currnewattach} = @currnew; 3360: } 3361: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3362: } 3363: 3364: sub generate_attachments_button { 3365: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3366: $numoldver,$mode,$blockblog) = @_; 3367: my $origpage = $ENV{'REQUEST_URI'}; 3368: my $att=$attachnum.' '.&mt("attachments"); 3369: my %lt = &Apache::lonlocal::texthash( 3370: 'clic' => 'Click to add/remove attachments', 3371: ); 3372: my $response = (<<END); 3373: <br /> 3374: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3375: $lt{'clic'}: <input type="button" value="$att" 3376: 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); 3377: END 3378: if (!$blockblog) { 3379: $response .= 'setblogvalue();'; 3380: } 3381: unless ($mode eq 'board') { 3382: $response .= 'javascript:anonchk();'; 3383: } 3384: $response .= (<<ENDATTACH); 3385: this.form.submit();" /> 3386: <input type="hidden" name="origpage" value="$origpage" /> 3387: <input type="hidden" name="idx" value="$idx" /> 3388: <input type="hidden" name="timestamp" value="$now" /> 3389: <input type="hidden" name="subject" /> 3390: <input type="hidden" name="comment" /> 3391: <input type="hidden" name="blog" value="0" /> 3392: <input type="hidden" name="discuss" value="0" /> 3393: <input type="hidden" name="numoldver" value="$numoldver" /> 3394: ENDATTACH 3395: if (defined($deloldattach)) { 3396: if (@{$deloldattach} > 0) { 3397: foreach my $delatt (@{$deloldattach}) { 3398: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3399: } 3400: } 3401: } 3402: if (defined($currnewattach)) { 3403: if (@{$currnewattach} > 0) { 3404: foreach my $attach (@{$currnewattach}) { 3405: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3406: } 3407: } 3408: } 3409: $response .= '</form>'; 3410: return $response; 3411: } 3412: 3413: sub extract_attachments { 3414: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3415: %{$attachments}=(); 3416: &get_post_attachments($attachments,$attachmenturls); 3417: foreach my $id (sort(keys(%{$attachments}))) { 3418: if (exists($$attachments{$id}{$numoldver})) { 3419: if (defined($currdelold)) { 3420: if (@{$currdelold} > 0) { 3421: unless (grep/^$id$/,@{$currdelold}) { 3422: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3423: } 3424: } else { 3425: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3426: } 3427: } else { 3428: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3429: } 3430: } 3431: } 3432: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3433: if (@attached == 1) { 3434: my $id = $attached[0]; 3435: my $attachurl; 3436: if ($attachmenturls =~ m/^<attachment id="0">/) { 3437: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3438: } else { 3439: $attachurl = $$attachments{$id}{'filename'}; 3440: } 3441: $attachurl=~m|/([^/]+)$|; 3442: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3443: $1.'</tt></a><br />'; 3444: &Apache::lonnet::allowuploaded('/adm/feedback', 3445: $attachurl); 3446: } elsif (@attached > 1) { 3447: $$message.='<ol>'; 3448: foreach my $attach (@attached) { 3449: my $id = $attach; 3450: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3451: my ($fname) 3452: =($attachurl=~m|/([^/]+)$|); 3453: $$message .= '<li><a href="'.$attachurl. 3454: '"><tt>'. 3455: $fname.'</tt></a></li>'; 3456: &Apache::lonnet::allowuploaded('/adm/feedback', 3457: $attachurl); 3458: } 3459: $$message .= '</ol>'; 3460: } 3461: } 3462: 3463: sub construct_attachmenturl { 3464: my ($currnewattach,$keepold,$symb,$idx)=@_; 3465: my $oldattachmenturl; 3466: my $newattachmenturl; 3467: my $startnum = 0; 3468: my $currver = 0; 3469: if (($env{'form.editdisc'}) && ($idx)) { 3470: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3471: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3472: $env{'course.'.$env{'request.course.id'}.'.num'}); 3473: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3474: if ($contrib{$idx.':history'}) { 3475: if ($contrib{$idx.':history'} =~ /:/) { 3476: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3477: $currver = 1 + scalar(@oldversions); 3478: } else { 3479: $currver = 2; 3480: } 3481: } else { 3482: $currver = 1; 3483: } 3484: if ($oldattachmenturl) { 3485: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3486: my %attachments = (); 3487: my $prevver = $currver-1; 3488: &get_post_attachments(\%attachments,$oldattachmenturl); 3489: my $numattach = scalar(keys(%attachments)); 3490: $startnum += $numattach; 3491: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3492: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3493: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3494: unless ($item eq 'filename') { 3495: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3496: } 3497: } 3498: if (grep/^$num$/,@{$keepold}) { 3499: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3500: } 3501: $newattachmenturl .= '</attachment>'; 3502: } 3503: } else { 3504: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3505: unless (grep/^0$/,@{$keepold}) { 3506: $newattachmenturl .= '<post id="1">n</post>'; 3507: } 3508: $newattachmenturl .= '</attachment>'; 3509: $startnum ++; 3510: } 3511: } 3512: } 3513: for (my $i=0; $i<@{$currnewattach}; $i++) { 3514: my $attachnum = $startnum + $i; 3515: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3516: } 3517: return $newattachmenturl; 3518: } 3519: 3520: sub add_blog_checkbox { 3521: my ($crstype) = @_; 3522: my $checkstatus; 3523: if ($env{'form.blog'}) { 3524: $checkstatus = 'checked="checked"'; 3525: } 3526: my $output = ' 3527: <script type="text/javascript"> 3528: function setblogvalue() { 3529: if (document.mailform.blog.checked) { 3530: document.attachment.blog.value = 1; 3531: } else { 3532: document.attachment.blog.value = 0; 3533: } 3534: } 3535: </script><br /> 3536: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3537: if ($crstype eq 'Community') { 3538: $output .= &mt('Add to my public community blog'); 3539: } else { 3540: $output .= &mt('Add to my public course blog'); 3541: } 3542: $output .= '</label><br />'."\n"; 3543: return $output; 3544: } 3545: 3546: sub has_discussion { 3547: my $resourcesref = shift; 3548: my $navmap = Apache::lonnavmaps::navmap->new(); 3549: if (defined($navmap)) { 3550: my @allres=$navmap->retrieveResources(); 3551: foreach my $resource (@allres) { 3552: if ($resource->hasDiscussion()) { 3553: my $ressymb = $resource->wrap_symb(); 3554: if (ref($resourcesref) eq 'ARRAY') { 3555: push(@{$resourcesref}, $ressymb); 3556: } 3557: } 3558: } 3559: } else { 3560: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3561: } 3562: return; 3563: } 3564: 3565: sub sort_filter_names { 3566: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3567: if (ref($sort_types) eq 'HASH') { 3568: %{$sort_types} = ( 3569: ascdate => 'Date order - oldest first', 3570: descdate => 'Date order - newest first', 3571: thread => 'Threaded', 3572: subject => 'By subject', 3573: username => 'By domain and username', 3574: lastfirst => 'By last name, first name' 3575: ); 3576: } 3577: my @courseroles = qw(st in ta ep ad); 3578: if ($crstype eq 'Community') { 3579: push(@courseroles,'co'); 3580: } else { 3581: push(@courseroles,'cc'); 3582: } 3583: if (ref($role_types) eq 'HASH') { 3584: foreach my $role (@courseroles) { 3585: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3586: } 3587: $role_types->{'all'} = 'All roles'; 3588: $role_types->{'cr'} = 'Custom role'; 3589: } 3590: if (ref($status_types) eq 'HASH') { 3591: %{$status_types} = ( 3592: all => 'Roles of any status', 3593: Active => 'Only active roles', 3594: Expired => 'Only past roles', 3595: Future => 'Only future roles', 3596: ); 3597: } 3598: } 3599: 3600: sub handler { 3601: my $r = shift; 3602: if ($r->header_only) { 3603: &Apache::loncommon::content_type($r,'text/html'); 3604: $r->send_http_header; 3605: return OK; 3606: } 3607: 3608: # --------------------------- Get query string for limited number of parameters 3609: 3610: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3611: ['like','unlike','modal','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']); 3612: my $group = $env{'form.group'}; 3613: my %attachmax = ( 3614: text => &mt('(128 KB max size)'), 3615: num => 131072, 3616: ); 3617: if ($env{'form.editdisc'}) { 3618: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3619: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3620: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3621: my $feedurl=&Apache::lonnet::clutter($url); 3622: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3623: undef,undef,undef,$group); 3624: return OK; 3625: } 3626: } 3627: if ($env{'form.discsymb'}) { 3628: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3629: my $readkey = $symb.'_read'; 3630: my $chgcount = 0; 3631: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3632: foreach my $key (keys(%env)) { 3633: if ($key =~ m/^form\.postunread_(\d+)/) { 3634: if ($readinghash{$readkey} =~ /\.$1\./) { 3635: $readinghash{$readkey} =~ s/\.$1\.//; 3636: $chgcount ++; 3637: } 3638: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3639: unless ($readinghash{$readkey} =~ /\.$1\./) { 3640: $readinghash{$readkey} .= '.'.$1.'.'; 3641: $chgcount ++; 3642: } 3643: } 3644: } 3645: if ($chgcount > 0) { 3646: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3647: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3648: } 3649: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3650: '0','0','','',$env{'form.previous'},'','','', 3651: undef,undef,undef,$group); 3652: return OK; 3653: } 3654: if ($env{'form.allversions'}) { 3655: &Apache::loncommon::content_type($r,'text/html'); 3656: &Apache::loncommon::no_cache($r); 3657: $r->send_http_header; 3658: 3659: # Breadcrumbs 3660: my $brcrum = [{'href' => '', 3661: 'text' => 'Discussion Post Versions'}]; 3662: 3663: my %parms=(); 3664: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3665: 3666: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3667: 3668: my $crs='/'.$env{'request.course.id'}; 3669: if ($env{'request.course.sec'}) { 3670: $crs.='_'.$env{'request.course.sec'}; 3671: } 3672: $crs=~s|_|/|g; 3673: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3674: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3675: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3676: ($symb)=&get_feedurl_and_clean_symb($symb); 3677: my $ressymb = &wrap_symb($symb); 3678: my $group = $env{'form.group'}; 3679: my $seeid; 3680: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3681: if (&check_group_priv($group,'dgp') eq 'ok') { 3682: $seeid = 1; 3683: } 3684: } else { 3685: $seeid = &Apache::lonnet::allowed('rin',$crs); 3686: } 3687: if ($idx > 0) { 3688: my %messages = (); 3689: my %subjects = (); 3690: my %attachmsgs = (); 3691: my %allattachments = (); 3692: my %imsfiles = (); 3693: my ($screenname,$plainname); 3694: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3695: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3696: $env{'course.'.$env{'request.course.id'}.'.num'}); 3697: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3698: } 3699: $r->print(&Apache::loncommon::end_page()); 3700: return OK; 3701: } 3702: if ($env{'form.posterlist'}) { 3703: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3704: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3705: $env{'form.sortposts'}); 3706: return OK; 3707: } 3708: if ($env{'form.userpick'}) { 3709: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3710: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3711: my $numpicks = @posters; 3712: my %discinfo; 3713: $discinfo{$symb.'_userpick'} = join('&',@posters); 3714: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3715: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3716: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3717: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3718: '',$numpicks,$group); 3719: return OK; 3720: } 3721: if ($env{'form.applysort'}) { 3722: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3723: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3724: '',$env{'form.previous'},$env{'form.sortposts'}, 3725: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3726: $env{'form.sectionpick'},$env{'form.grouppick'}, 3727: undef,$group); 3728: return OK; 3729: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3730: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3731: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3732: return OK; 3733: } elsif ($env{'form.navtime'}) { 3734: my %discinfo = (); 3735: my @resources = (); 3736: if (defined($env{'form.navmaps'})) { 3737: if ($env{'form.navmaps'} =~ /:/) { 3738: @resources = split(/:/,$env{'form.navmaps'}); 3739: } else { 3740: @resources = ("$env{'form.navmaps'}"); 3741: } 3742: } else { 3743: &has_discussion(\@resources); 3744: } 3745: my $numitems = @resources; 3746: my $feedurl = '/adm/navmaps'; 3747: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3748: my %lt = &Apache::lonlocal::texthash( 3749: 'mnpa' => 'Marked "New" posts as read in a total of', 3750: 'robb' => 'resources/bulletin boards.', 3751: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3752: ); 3753: foreach my $res (@resources) { 3754: my $ressymb=$res; 3755: &Apache::lonenc::check_decrypt(\$ressymb); 3756: my $lastkey = $ressymb.'_lastread'; 3757: $discinfo{$lastkey} = $env{'form.navtime'}; 3758: } 3759: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3760: if ($numitems > 0) { 3761: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3762: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3763: } else { 3764: $textline = "<b>$lt{'twnp'}</b>"; 3765: } 3766: &Apache::loncommon::content_type($r,'text/html'); 3767: $r->send_http_header; 3768: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3769: my %onload; 3770: 3771: my $start_page= 3772: &Apache::loncommon::start_page('New posts marked as read',undef, 3773: {'redirect' => [2,$feedurl], 3774: 'only_body' => 1, 3775: 'add_entries' => \%onload}); 3776: my $end_page = &Apache::loncommon::end_page(); 3777: $r->print (<<ENDREDIR); 3778: $start_page 3779: <img align="right" src="$logo" /> 3780: $textline 3781: <form name="reldt" action="$feedurl" target="loncapaclient"> 3782: </form> 3783: <br /> 3784: $end_page 3785: ENDREDIR 3786: return OK; 3787: } elsif ($env{'form.modifydisp'}) { 3788: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3789: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3790: split(/_/,$env{'form.changes'}); 3791: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3792: $dispchgB,$markchg,$toggchg,$feedurl); 3793: return OK; 3794: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3795: $env{'form.allposts'} || $env{'form.onlyunread'} || 3796: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3797: $env{'form.toggon'} || $env{'form.markread'}) { 3798: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3799: my %discinfo; 3800: # ------------------------ Modify setting for read/unread toggle for each post 3801: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3802: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3803: # --------- Modify setting for identification of 'NEW' posts in this discussion 3804: if ($env{'form.markondisp'}) { 3805: $discinfo{$symb.'_lastread'} = time; 3806: $discinfo{$symb.'_markondisp'} = 1; 3807: } 3808: if ($env{'form.markonread'}) { 3809: if ( $env{'form.previous'} > 0 ) { 3810: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3811: } 3812: $discinfo{$symb.'_markondisp'} = 0; 3813: } 3814: # --------------------------------- Modify display setting for this discussion 3815: if ($env{'form.allposts'}) { 3816: $discinfo{$symb.'_showonlyunread'} = 0; 3817: $discinfo{$symb.'_showonlyunmark'} = 0; 3818: } 3819: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3820: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3821: # ----------------------------------------------------- Mark new posts not NEW 3822: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3823: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3824: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3825: my $previous=$env{'form.previous'}; 3826: if ($env{'form.markondisp'}) { $previous=undef; } 3827: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3828: '0','0','','',$previous,'','','','','','',$group); 3829: return OK; 3830: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3831: # ----------------------------------------------------------------- Hide/unhide 3832: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3833: my ($symb,$idx)=split(/\:\:\:/,$entry); 3834: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3835: 3836: my $crs='/'.$env{'request.course.id'}; 3837: if ($env{'request.course.sec'}) { 3838: $crs.='_'.$env{'request.course.sec'}; 3839: } 3840: $crs=~s/\_/\//g; 3841: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3842: 3843: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3844: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3845: undef,undef,$group,); 3846: return OK; 3847: } 3848: 3849: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3850: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3851: $env{'course.'.$env{'request.course.id'}.'.num'}); 3852: 3853: my $currenthidden=$contrib{'hidden'}; 3854: my $currentstudenthidden=$contrib{'studenthidden'}; 3855: 3856: if ($env{'form.hide'}) { 3857: $currenthidden.='.'.$idx.'.'; 3858: unless ($seeid) { 3859: $currentstudenthidden.='.'.$idx.'.'; 3860: } 3861: } else { 3862: $currenthidden=~s/\.$idx\.//g; 3863: } 3864: my %newhash=('hidden' => $currenthidden); 3865: if ( ($env{'form.hide'}) && (!$seeid) ) { 3866: $newhash{'studenthidden'} = $currentstudenthidden; 3867: } 3868: if ($env{'form.hide'}) { 3869: my $changelast = 0; 3870: my $newlast; 3871: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3872: if ($changelast) { 3873: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3874: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3875: $env{'course.'.$env{'request.course.id'}.'.num'}); 3876: } 3877: } 3878: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3879: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3880: $env{'course.'.$env{'request.course.id'}.'.num'}); 3881: 3882: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3883: '0','0','','',$env{'form.previous'},undef,undef,undef, 3884: undef,undef,undef,$group); 3885: return OK; 3886: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { 3887: # ----------------------------------------------------------------- Like/unlike 3888: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; 3889: my ($symb,$idx)=split(/\:\:\:/,$entry); 3890: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3891: # 3892: # Likes and unlikes are in db-file "disclikes" of the course 3893: # The prefix is the $symb to identify the resource discussion, 3894: # and the $idx to identify the entry 3895: # 3896: my $prefix=$symb.':'.$idx.':'; 3897: my %contrib=&Apache::lonnet::dump('disclikes', 3898: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3899: $env{'course.'.$env{'request.course.id'}.'.num'}, 3900: '^'.$prefix); 3901: # Get all who like or unlike this 3902: my $currentlikers=$contrib{$prefix.'likers'}; 3903: my $currentunlikers=$contrib{$prefix.'unlikers'}; 3904: # Get the current "likes" count 3905: my $likes=$contrib{$prefix.'likes'}; 3906: # Find out if they already voted 3907: # Users cannot like a post twice, or unlike it twice. They can change their mind, though 3908: my $alreadyflag=0; 3909: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 3910: if ($env{'form.like'}) { 3911: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 3912: $alreadyflag=1; 3913: } else { 3914: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 3915: $currentunlikers=~s/\,\Q$thisuser\E\,//g; 3916: } else { 3917: $currentlikers.=','.$thisuser.','; 3918: } 3919: $likes++; 3920: } 3921: } else { 3922: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 3923: $alreadyflag=1; 3924: } else { 3925: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 3926: $currentlikers=~s/\,\Q$thisuser\E\,//g; 3927: } else { 3928: $currentunlikers.=','.$thisuser.','; 3929: } 3930: $likes--; 3931: } 3932: } 3933: my $result; 3934: # $alreadyflag would be 1 if they tried to double-like or double-unlike 3935: unless ($alreadyflag) { 3936: my %newhash=($prefix.'likes' => $likes, 3937: $prefix.'likers' => $currentlikers, 3938: $prefix.'unlikers' => $currentunlikers); 3939: # Store data in db-file "disclikes" 3940: if (&Apache::lonnet::put('disclikes', 3941: \%newhash, 3942: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3943: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 3944: # Also store with the person who posted the liked/unliked entry 3945: if ($env{'form.like'}) { 3946: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 3947: $result=&mt("Registered 'Like'"); 3948: } else { 3949: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 3950: $result=&mt("Registered 'Unlike'"); 3951: } 3952: } else { 3953: # Oops, something went wrong 3954: $result=&mt("Failed to register vote"); 3955: } 3956: } 3957: &redirect_back($r,$feedurl,$result.'<br />', 3958: '0','0','','',$env{'form.previous'},undef,undef,undef, 3959: undef,undef,undef,$group); 3960: return OK; 3961: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3962: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3963: if ($env{'form.cmd'} eq 'threadedon') { 3964: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3965: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3966: } else { 3967: &Apache::lonnet::del('environment',['threadeddiscussion']); 3968: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3969: } 3970: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3971: '0','0','','',$env{'form.previous'},undef,undef,undef, 3972: undef,undef,undef,$group); 3973: return OK; 3974: } elsif ($env{'form.deldisc'}) { 3975: # --------------------------------------------------------------- Hide for good 3976: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3977: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3978: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3979: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3980: $env{'course.'.$env{'request.course.id'}.'.num'}); 3981: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3982: if ($changelast) { 3983: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3984: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3985: } 3986: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3987: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3988: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3989: $env{'course.'.$env{'request.course.id'}.'.num'}); 3990: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3991: '0','0','','',$env{'form.previous'},undef,undef,undef, 3992: undef,undef,undef,$group); 3993: return OK; 3994: } elsif ($env{'form.preview'}) { 3995: # -------------------------------------------------------- User wants a preview 3996: &show_preview($r); 3997: return OK; 3998: } elsif ($env{'form.attach'}) { 3999: # -------------------------------------------------------- Work on attachments 4000: &Apache::loncommon::content_type($r,'text/html'); 4001: $r->send_http_header; 4002: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 4003: my (@currnewattach,@currdelold,@keepold,$toolarge); 4004: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 4005: if (exists($env{'form.addnewattach.filename'})) { 4006: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 4007: my $subdir = 'feedback/'.$env{'form.timestamp'}; 4008: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 4009: push(@currnewattach, $newattachment); 4010: } else { 4011: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4012: } 4013: } 4014: my $attachmenturls; 4015: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 4016: my $idx = $env{'form.idx'}; 4017: if ($idx) { 4018: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4019: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4020: $env{'course.'.$env{'request.course.id'}.'.num'}); 4021: $attachmenturls = $contrib{$idx.':attachmenturl'}; 4022: } 4023: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 4024: $attachmenturls,$attachmax{'text'},$toolarge); 4025: return OK; 4026: } elsif ($env{'form.export'}) { 4027: &Apache::loncommon::content_type($r,'text/html'); 4028: $r->send_http_header; 4029: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 4030: my $mode='board'; 4031: my $status='OPEN'; 4032: my $previous=$env{'form.previous'}; 4033: if ($feedurl =~ /$LONCAPA::assess_re/) { 4034: $mode='problem'; 4035: $status=$Apache::inputtags::status[-1]; 4036: } 4037: my $discussion = &list_discussion($mode,$status,$symb); 4038: my $start_page = 4039: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 4040: my $end_page = 4041: &Apache::loncommon::end_page(); 4042: $r->print($start_page.$discussion.$end_page); 4043: return OK; 4044: } else { 4045: # ------------------------------------------------------------- Normal feedback 4046: my $feedurl=$env{'form.postdata'}; 4047: $feedurl=~s/^https?\:\/\///; 4048: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 4049: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 4050: $feedurl=~s/\?.+$//; 4051: 4052: my $symb; 4053: if ($env{'form.replydisc'}) { 4054: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 4055: } elsif ($env{'form.editdisc'}) { 4056: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 4057: } elsif ($env{'form.origpage'}) { 4058: $symb=""; 4059: } else { 4060: $symb=&Apache::lonnet::symbread($feedurl); 4061: } 4062: unless ($symb) { 4063: $symb=$env{'form.symb'}; 4064: } 4065: if (defined($symb)) { 4066: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 4067: } else { 4068: # backward compatibility (bulletin boards used to be 'wrapped') 4069: &Apache::lonenc::check_decrypt(\$feedurl); 4070: &dewrapper(\$feedurl); 4071: } 4072: my $goahead=1; 4073: if ($feedurl=~/$LONCAPA::assess_re/) { 4074: unless ($symb) { $goahead=0; } 4075: } 4076: if (!$goahead) { 4077: # Ambiguous Problem Resource 4078: $r->internal_redirect('/adm/ambiguous'); 4079: return OK; 4080: } 4081: # Go ahead with feedback, no ambiguous reference 4082: unless ( 4083: ( 4084: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 4085: ) 4086: || 4087: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 4088: || 4089: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 4090: ) { 4091: &Apache::loncommon::content_type($r,'text/html'); 4092: $r->send_http_header; 4093: # Unable to give feedback 4094: &Apache::lonenc::check_encrypt(\$feedurl); 4095: &no_redirect_back($r,$feedurl); 4096: return OK; 4097: } 4098: # --------------------------------------------------- Print login screen header 4099: unless ($env{'form.sendit'}) { 4100: &Apache::lonenc::check_encrypt(\$feedurl); 4101: &Apache::loncommon::content_type($r,'text/html'); 4102: $r->send_http_header; 4103: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 4104: my ($blocked,$blocktext) = 4105: &Apache::loncommon::blocking_status('boards'); 4106: if ($blocked) { 4107: $r->print(&blocked_reply_or_edit($blocktext)); 4108: return OK; 4109: } 4110: } 4111: my $options=&screen_header($feedurl,$symb,$group); 4112: if ($options) { 4113: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 4114: } else { 4115: &fail_redirect($r,$feedurl); 4116: } 4117: return OK; 4118: } 4119: 4120: # Get previous user input 4121: my $prevattempts=&Apache::loncommon::get_previous_attempt( 4122: $symb,$env{'user.name'},$env{'user.domain'}, 4123: $env{'request.course.id'}); 4124: 4125: # Get output from resource 4126: &Apache::lonenc::check_encrypt(\$feedurl); 4127: my $usersaw=&resource_output($feedurl); 4128: 4129: # Get resource answer (need to allow student to view grades for this to work) 4130: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 4131: my $usersymb = &Apache::lonenc::check_encrypt($symb); 4132: my $useranswer= 4133: &Apache::loncommon::get_student_answers( 4134: $usersymb,$env{'user.name'},$env{'user.domain'}, 4135: $env{'request.course.id'}); 4136: &Apache::lonnet::delenv('allowed.vgr'); 4137: # Get attachments, if any, and not too large 4138: my $attachmenturl=''; 4139: my $toolarge=''; 4140: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 4141: ($env{'form.replydisc'})) { 4142: my ($symb,$idx); 4143: if ($env{'form.replydisc'}) { 4144: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 4145: } elsif ($env{'form.editdisc'}) { 4146: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 4147: } elsif ($env{'form.origpage'}) { 4148: $symb = $env{'form.symb'}; 4149: } 4150: &Apache::lonenc::check_decrypt(\$symb); 4151: my @currnewattach = (); 4152: my @deloldattach = (); 4153: my @keepold = (); 4154: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 4155: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 4156: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 4157: } elsif ($env{'form.attachment.filename'}) { 4158: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 4159: my $now = time; 4160: my $subdir = 'feedback/'.$now; 4161: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 4162: } else { 4163: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4164: } 4165: } 4166: # Filter HTML out of message (could be nasty) 4167: my $override; 4168: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 4169: $override = 1; 4170: } 4171: my $message=&clear_out_html($env{'form.comment'},$override); 4172: 4173: # Assemble email 4174: my ($email,$citations)=&assemble_email($message,$prevattempts, 4175: $usersaw,$useranswer); 4176: 4177: # Who gets this? 4178: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 4179: 4180: # Actually send mail 4181: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 4182: $feedurl,$email,$citations, 4183: $attachmenturl,$usersymb,%to); 4184: 4185: # Discussion? Store that. 4186: my $numpost=0; 4187: if ( ($env{'form.discuss'} ne '' 4188: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4189: || $env{'form.anondiscuss'} ne '') { 4190: my $subject = &clear_out_html($env{'form.subject'}); 4191: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4192: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4193: $subject,$group); 4194: $numpost++; 4195: } 4196: 4197: # Add to blog? 4198: 4199: my $blog=''; 4200: if ($env{'form.blog'}) { 4201: my $subject = &clear_out_html($env{'form.subject'}); 4202: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4203: $env{'user.domain'}, 4204: 'CourseBlog_'.$env{'request.course.id'}, 4205: $subject,$message,$feedurl,'public'); 4206: if (&Apache::loncommon::course_type() eq 'Community') { 4207: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4208: } else { 4209: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4210: } 4211: } 4212: 4213: # Receipt screen and redirect back to where came from 4214: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4215: } 4216: return OK; 4217: } 4218: 4219: sub blocked_reply_or_edit { 4220: my ($blocktext) = @_; 4221: return 4222: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4223: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4224: &mt('Back to previous page'). 4225: &Apache::loncommon::end_page(); 4226: } 4227: 4228: sub wrap_symb { 4229: my ($ressymb)=@_; 4230: if ($ressymb =~ /bulletin___\d+___/) { 4231: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4232: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4233: } 4234: } 4235: return $ressymb; 4236: } 4237: sub dewrapper { 4238: my ($feedurl)=@_; 4239: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4240: $$feedurl=~s|^/adm/wrapper||; 4241: } 4242: } 4243: 4244: sub get_feedurl { 4245: my ($symb)=@_; 4246: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4247: my $feedurl = &Apache::lonnet::clutter($url); 4248: &dewrapper(\$feedurl); 4249: return $feedurl; 4250: } 4251: 4252: sub get_feedurl_and_clean_symb { 4253: my ($symb)=@_; 4254: &Apache::lonenc::check_decrypt(\$symb); 4255: # backward compatibility (bulletin boards used to be 'wrapped') 4256: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4257: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4258: } 4259: my $feedurl = &get_feedurl($symb); 4260: return ($symb,$feedurl); 4261: } 4262: 4263: sub editing_allowed { 4264: my ($postid,$group) = @_; 4265: $postid = &unescape($postid); 4266: my $can_edit = 0; 4267: if ($group ne '') { 4268: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4269: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4270: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4271: if (&check_group_priv($group,'egp') eq 'ok') { 4272: $can_edit = 1; 4273: } 4274: return $can_edit; 4275: } 4276: } 4277: my $cid = $env{'request.course.id'}; 4278: my $role = (split(/\./,$env{'request.role'}))[0]; 4279: my $section = $env{'request.course.sec'}; 4280: my $allow_editing_config = 4281: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4282: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4283: $can_edit = 1; 4284: } else { 4285: foreach my $editor (split(/,/,$allow_editing_config)) { 4286: my ($editor_role,$editor_sec) = split(/:/,$editor); 4287: if ($editor_role eq $role 4288: && defined($editor_sec) 4289: && defined($section) 4290: && $editor_sec eq $section) { 4291: $can_edit = 1; 4292: last; 4293: } 4294: if ($editor_role eq $role 4295: && !defined($editor_sec)) { 4296: $can_edit = 1; 4297: } 4298: } 4299: } 4300: return $can_edit; 4301: } 4302: 4303: sub check_group_priv { 4304: my ($group,$grp_priv) = @_; 4305: foreach my $priv ('mdg','vcg') { 4306: my $checkcourse = $env{'request.course.id'}. 4307: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4308: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4309: return 'ok'; 4310: } 4311: } 4312: if ($grp_priv && $group ne '') { 4313: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4314: return 'ok'; 4315: } 4316: } 4317: return ''; 4318: } 4319: 4320: sub group_args { 4321: my ($group) = @_; 4322: if ($group eq '') { return ''; } 4323: my $extra_args = '&group='.$group; 4324: if (exists($env{'form.ref'})) { 4325: $extra_args .= '&ref='.$env{'form.ref'}; 4326: } 4327: return $extra_args; 4328: } 4329: 4330: sub get_resource_title { 4331: my ($symb,$feedurl) = @_; 4332: my ($restitle,$plainurl); 4333: if (defined($symb)) { 4334: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4335: $restitle = &Apache::lonnet::gettitle($plain_symb); 4336: } 4337: if (defined($feedurl)) { 4338: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4339: } 4340: if (!defined($restitle)) { 4341: if (defined($feedurl)) { 4342: $restitle = &Apache::lonnet::gettitle($plainurl); 4343: } 4344: } 4345: if ($plainurl ne $feedurl) { 4346: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4347: if ($plain_filename eq $restitle) { 4348: $restitle = &mt('Untitled resource'); 4349: } 4350: } 4351: if ($restitle eq '') { 4352: $restitle = &mt('Untitled resource'); 4353: } 4354: return $restitle; 4355: } 4356: 4357: 1; 4358: __END__ 4359: 4360: 4361: =pod 4362: 4363: =head1 NAME 4364: 4365: Apache::lonfeedback.pm 4366: 4367: =head1 SYNOPSIS 4368: 4369: Handles feedback from students to instructors and system administrators. 4370: 4371: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4372: 4373: Used by lonmsg.pm. 4374: 4375: This is part of the LearningOnline Network with CAPA project 4376: described at http://www.lon-capa.org. 4377: 4378: =head1 OVERVIEW 4379: 4380: None 4381: 4382: =head1 SUBROUTINES 4383: 4384: =over 4385: 4386: =item discussion_open() 4387: 4388: =item discussion_visible() 4389: 4390: =item list_discussion() 4391: 4392: =item send_feedback_link() 4393: 4394: =item send_message_link() 4395: 4396: =item action_links_bar() 4397: 4398: =item postingform_display() 4399: 4400: =item build_posting_display 4401: 4402: =item filter_regexp() 4403: 4404: =item get_post_contents() 4405: 4406: =item replicate_attachments() 4407: 4408: =item mail_screen() 4409: 4410: =item print_display_options() 4411: 4412: =item print_sortfilter_options() 4413: 4414: =item print_showposters() 4415: 4416: =item get_post_versions() 4417: 4418: =item get_post_attachments() 4419: 4420: =item fail_redirect() 4421: 4422: =item redirect_back() 4423: 4424: =item no_redirect_back() 4425: 4426: =item screen_header() 4427: 4428: =item resource_output() 4429: 4430: =item clear_out_html() 4431: 4432: =item assemble_email() 4433: 4434: =item feedback_available() 4435: 4436: =item send_msg() 4437: 4438: =item adddiscuss() 4439: 4440: =item get_discussion_info() 4441: 4442: =item show_preview() 4443: 4444: =item newline_to_br() 4445: 4446: =item tidy_html() 4447: 4448: =item generate_preview_button() 4449: 4450: =item modify_attachments() 4451: 4452: =item process_attachments() 4453: 4454: =item generate_attachments_button() 4455: 4456: =item extract_attachments() 4457: 4458: =item construct_attachmenturl() 4459: 4460: =item add_blog_checkbox() 4461: 4462: =item has_discussion() 4463: 4464: =item sort_filter_names() 4465: 4466: =item handler() 4467: 4468: =item blocked_reply_or_edit() 4469: 4470: =item wrap_symb() 4471: 4472: =item dewrapper() 4473: 4474: =item get_feedurl() 4475: 4476: =item get_feedurl_and_clean_symb() 4477: 4478: =item editing_allowed() 4479: 4480: =item check_group_priv() 4481: 4482: =item group_args() 4483: 4484: =item get_resource_title() 4485: 4486: =back 4487: 4488: =cut