loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.290.2.7.2.3: download - view: text, annotated - select for diffs
Fri Mar 9 15:09:39 2012 UTC (12 years, 3 months ago) by raeburn
Branches: loncapaMITrelate_1
Diff to branchpoint 1.290.2.7: preferred, unified

- Customization for MITrelate
  - Backport 1.338.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.290.2.7.2.3 2012/03/09 15:09:39 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: my $target=''; 285: unless ($env{'browser.interface'} eq 'textual' || 286: $env{'environment.remote'} eq 'off' ) { 287: $target='target="LONcom"'; 288: } 289: 290: my $now = time; 291: $discinfo{$visitkey} = $visit; 292: 293: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 294: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 295: 296: my $discussion=''; 297: my $manifestfile; 298: my $manifestok=0; 299: my $tempexport; 300: my $imsresources; 301: my $copyresult; 302: 303: my $function = &Apache::loncommon::get_users_function(); 304: my $color = &Apache::loncommon::designparm($function.'.tabbg', 305: $env{'user.domain'}); 306: my %lt = &Apache::lonlocal::texthash( 307: 'cuse' => 'Current discussion settings', 308: 'allposts' => 'All posts', 309: 'unread' => 'New posts only', 310: 'unmark' => 'Unread only', 311: 'ondisp' => 'Once displayed', 312: 'onmark' => 'Once marked not NEW', 313: 'toggoff' => 'Off', 314: 'toggon' => 'On', 315: 'disa' => 'Posts to be displayed', 316: 'npce' => 'Posts cease to be marked "NEW"', 317: 'epcb' => 'Each post can be toggled read/unread', 318: 'chgt' => 'Change', 319: 'disp' => 'Display', 320: 'nolo' => 'Not new', 321: 'togg' => 'Toggle read/unread', 322: 'aner' => 'An error occurred opening the manifest file.', 323: 'difo' => 'Discussion for', 324: 'aerr' => 'An error occurred opening the export file for posting', 325: 'aysu' => 'Are you sure you want to delete this post?', 326: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 327: 'bwco' => 'but will continue to be visible to your instructor', 328: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 329: 'discussions' => 'DISCUSSIONS' 330: ); 331: 332: my $currdisp = $lt{'allposts'}; 333: my $currmark = $lt{'onmark'}; 334: my $currtogg = $lt{'toggoff'}; 335: my $dispchange = $lt{'unread'}; 336: my $markchange = $lt{'ondisp'}; 337: my $toggchange = $lt{'toggon'}; 338: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 339: my $displinkA = 'onlyunread'; 340: my $displinkB = 'onlyunmark'; 341: my $marklink = 'markondisp'; 342: my $togglink = 'toggon'; 343: 344: if ($markondisp) { 345: $currmark = $lt{'ondisp'}; 346: $markchange = $lt{'onmark'}; 347: $marklink = 'markonread'; 348: } 349: 350: if ($showonlyunread) { 351: $currdisp = $lt{'unread'}; 352: $dispchange = $lt{'allposts'}; 353: $displinkA = 'allposts'; 354: } 355: 356: if ($showunmark) { 357: $currdisp = $lt{'unmark'}; 358: $dispchange = $lt{'unmark'}; 359: $displinkA='allposts'; 360: $displinkB='onlyunread'; 361: $showonlyunread = 0; 362: } 363: 364: if ($dischash{$toggkey}) { 365: $currtogg = $lt{'toggon'}; 366: $toggchange = $lt{'toggoff'}; 367: $togglink = 'toggoff'; 368: } 369: 370: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 371: 372: if ($newpostsflag) { 373: $chglink .= '&previous='.$prevread; 374: } 375: $chglink.=&group_args($group); 376: 377: if ($visible) { 378: # Print the discusssion 379: if ($outputtarget eq 'tex') { 380: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 381: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 382: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 383: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 384: } elsif ($outputtarget eq 'export') { 385: # Create temporary directory if this is an export 386: my $now = time; 387: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 388: $tempexport = $$imsextras{'tempexport'}; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: $tempexport .= '/'.$$imsextras{'count'}; 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: } else { 397: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 398: if (!-e $tempexport) { 399: mkdir($tempexport,0700); 400: } 401: $tempexport .= '/'.$now; 402: if (!-e $tempexport) { 403: mkdir($tempexport,0700); 404: } 405: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 406: } 407: if (!-e $tempexport) { 408: mkdir($tempexport,0700); 409: } 410: # open manifest file 411: my $manifest = '/imsmanifest.xml'; 412: my $manifestfilename = $tempexport.$manifest; 413: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 414: $manifestok=1; 415: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 416: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 417: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 418: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 419: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 420: <organizations default="$ressymb"> 421: <organization identifier="$ressymb"> 422: <title>$lt{'difo'} $ressymb</title>\n|; 423: } else { 424: $discussion .= $lt{'aner'}.'<br />'; 425: } 426: } else { 427: my $colspan=$maxdepth+1; 428: #JW 429: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 430: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 431: var symbparm = symb+':::'+idx 432: var prevparm = "" 433: if (newflag == 1) { 434: prevparm = "&previous="+previous 435: } 436: if (caller == 'studentdelete') { 437: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 438: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 439: } 440: } else { 441: if (caller == 'seeiddelete') { 442: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 443: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 444: } 445: } 446: } 447: } 448: |); 449: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 450: "\n".'<table class="LC_discussion">'; 451: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 452: $newpostsflag,$group, 453: $prevread,$markondisp); 454: my $escsymb=&escape($ressymb); 455: my $numhidden = keys(%notshown); 456: if ($numhidden > 0) { 457: my $colspan = $maxdepth+1; 458: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 459: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 460: if ($newpostsflag) { 461: $discussion .= '&previous='.$prevread; 462: } 463: $discussion .= &group_args($group); 464: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 465: $numhidden.' '; 466: if ($showunmark) { 467: $discussion .= &mt('posts previously marked read'); 468: } else { 469: $discussion .= &mt('previously viewed posts'); 470: } 471: $discussion .= '<br/></td></tr>'; 472: } 473: } 474: 475: # Choose sort mechanism 476: my @showposts = (); 477: if ($sortposts eq 'descdate') { 478: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 479: } elsif ($sortposts eq 'thread') { 480: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 481: } elsif ($sortposts eq 'subject') { 482: foreach my $key (sort(keys(%subjectsort))) { 483: push(@showposts, @{$subjectsort{$key}}); 484: } 485: } elsif ($sortposts eq 'username') { 486: foreach my $domain (sort(keys(%usernamesort))) { 487: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 488: push(@showposts, @{$usernamesort{$domain}{$key}}); 489: } 490: } 491: } elsif ($sortposts eq 'lastfirst') { 492: foreach my $last (sort(keys(%namesort))) { 493: foreach my $key (sort(keys(%{$namesort{$last}}))) { 494: push(@showposts, @{$namesort{$last}{$key}}); 495: } 496: } 497: } else { 498: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 499: } 500: my $currdepth = 0; 501: my $firstidx = $alldiscussion{$showposts[0]}; 502: foreach my $post (@showposts) { 503: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 504: $alldiscussion{$post} = $post; 505: } 506: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 507: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 508: $discussion.="\n<tr>"; 509: } 510: my $thisdepth=$depth[$alldiscussion{$post}]; 511: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 512: for (1..$thisdepth) { 513: $discussion.='<td>   </td>'; 514: } 515: } 516: my $colspan=$maxdepth-$thisdepth+1; 517: if ($outputtarget eq 'tex') { 518: #cleanup block 519: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 520: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 521: my $threadinsert=''; 522: if ($thisdepth > 0) { 523: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 524: } 525: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 526: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 527: 528: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 529: $discussion.=$discussionitems[$alldiscussion{$post}]; 530: } elsif ($outputtarget eq 'export') { 531: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 532: if ($manifestok) { 533: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 534: print $manifestfile ' </item>'."\n"; 535: } 536: $currdepth = $depth[$alldiscussion{$post}]; 537: print $manifestfile "\n". 538: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 539: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 540: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 541: $imsresources .= "\n". 542: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 543: '<file href="'.$postfilename.'">'."\n". 544: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 545: '</resource>'; 546: } 547: my $postingfile; 548: my $postingfilename = $tempexport.'/'.$postfilename; 549: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 550: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 551: $imsitems{$alldiscussion{$post}}{'title'}.' '. 552: $imsitems{$alldiscussion{$post}}{'sender'}. 553: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 554: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 555: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 556: close($postingfile); 557: } else { 558: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 559: } 560: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 561: } else { 562: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 563: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 564: '</td></tr>'; 565: } 566: } 567: } 568: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 569: my $colspan=$maxdepth+1; 570: $discussion .= <<END; 571: <tr bgcolor="#FFFFFF"> 572: <td colspan="$colspan" class="LC_disc_action_links_bar"> 573: <table class="LC_disc_action_table"> 574: <tr> 575: <td align="left"> 576: <table border="0" cellpadding="0" cellspacing="4"> 577: <tr> 578: <td> 579: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 580: <td> </td> 581: <td><font size="-1"> 582: END 583: if ($newpostsflag) { 584: $discussion .= 585: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 586: if ($dischash{$toggkey}) { 587: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 588: } 589: } else { 590: if ($dischash{$toggkey}) { 591: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 592: } else { 593: $discussion .= 594: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 595: } 596: } 597: $discussion .= <<END; 598: </font></td> 599: <td> </td> 600: <td align="left"> 601: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 602: </td> 603: </tr> 604: </table> 605: </td> 606: END 607: if ($sortposts) { 608: my %sort_types = (); 609: my %role_types = (); 610: my %status_types = (); 611: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 612: 613: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 614: if (defined($env{'form.totposters'})) { 615: $discussion .= &mt('Posts by').':'; 616: if ($totposters > 0) { 617: foreach my $poster (@posters) { 618: $discussion .= ' '.$poster.','; 619: } 620: $discussion =~ s/,$//; 621: } else { 622: $discussion .= &mt('None selected'); 623: } 624: } else { 625: my $filterchoice =''; 626: if (@sectionpick > 0) { 627: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 628: $filterchoice .= '    '; 629: } 630: if (@grouppick > 0) { 631: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 632: $filterchoice .= '    '; 633: } 634: if (@rolefilter > 0) { 635: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 636: foreach my $role (@rolefilter) { 637: $filterchoice .= ' '.$role_types{$role}.','; 638: } 639: $filterchoice =~ s/,$//; 640: $filterchoice .= '<br />'.(' ' x8); 641: } 642: if ($statusfilter) { 643: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 644: } 645: if ($filterchoice) { 646: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 647: } 648: $discussion .= '</font></td>'; 649: } 650: } 651: if ($dischash{$toggkey}) { 652: my $storebutton = &mt('Save read/unread changes'); 653: $discussion.='<td align="right">'. 654: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 655: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 656: ' onclick="this.form.submit();" />'."\n". 657: '</td>'; 658: } 659: $discussion .= (<<END); 660: </tr> 661: </table> 662: </td> 663: </tr> 664: END 665: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 666: $newpostsflag,$group, 667: $prevread,$markondisp); 668: $discussion .= " 669: </table> 670: <br /><br /></form>\n"; 671: } 672: if ($outputtarget eq 'export') { 673: if ($manifestok) { 674: while ($currdepth > 0) { 675: print $manifestfile " </item>\n"; 676: $currdepth --; 677: } 678: print $manifestfile qq| 679: </organization> 680: </organizations> 681: <resources> 682: $imsresources 683: </resources> 684: </manifest> 685: |; 686: close($manifestfile); 687: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 688: $discussion = $copyresult; 689: } else { 690: 691: #Create zip file in prtspool 692: 693: my $imszipfile = '/prtspool/'. 694: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 695: time.'_'.rand(1000000000).'.zip'; 696: my $cwd = &getcwd(); 697: my $imszip = '/home/httpd/'.$imszipfile; 698: chdir $tempexport; 699: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 700: close(OUTPUT); 701: chdir $cwd; 702: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 703: if ($copyresult) { 704: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 705: } 706: } 707: } else { 708: $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 />'; 709: } 710: return $discussion; 711: } 712: } 713: if ($discussiononly) { 714: my $now = time; 715: my $attachnum = 0; 716: my $currnewattach = []; 717: my $currdelold = []; 718: my $comment = ''; 719: my $subject = ''; 720: if ($env{'form.origpage'}) { 721: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 722: $subject = &unescape($env{'form.subject'}); 723: $comment = &unescape($env{'form.comment'}); 724: my @keepold = (); 725: &process_attachments($currnewattach,$currdelold,\@keepold); 726: if (@{$currnewattach} > 0) { 727: $attachnum += @{$currnewattach}; 728: } 729: } 730: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 731: if (($group ne '') && ($mode eq 'board')) { 732: if ((&check_group_priv($group,'pgd') eq 'ok') && 733: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 734: $discussion .= 735: &postingform_display($mode,$ressymb,$now,$subject, 736: $comment,$outputtarget,$attachnum, 737: $currnewattach,$currdelold, 738: $group,$crstype); 739: } 740: } else { 741: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 742: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 743: 744: $discussion.= 745: &postingform_display($mode,$ressymb,$now,$subject, 746: $comment,$outputtarget,$attachnum, 747: $currnewattach,$currdelold,'',$crstype); 748: } else { 749: $discussion.= '<span class="LC_feedback_link">'. 750: &mt('This discussion is closed.').'</span>'; 751: } 752: } 753: } 754: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 755: $discussion.= '<span class="LC_feedback_link">'. 756: &mt('This discussion is closed.').'</span>'; 757: } 758: } elsif ($outputtarget ne 'tex') { 759: $discussion.='<div class="LC_feedback_link">'; 760: if (&discussion_open($status) && 761: &Apache::lonnet::allowed('pch', 762: $env{'request.course.id'}. 763: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 764: $discussion.= &send_feedback_link($ressymb,$target); 765: if ($env{'request.role.adv'}) { 766: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 767: if (defined($close) && $close ne '' && $close < time) { 768: $discussion .= ' '.&mt('(Closed for [_1] roles)', 769: &Apache::lonnet::plaintext('st',$crstype)); 770: } 771: } 772: } else { 773: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 774: } 775: $discussion.= &send_message_link($ressymb).'</div>'; 776: } 777: return $discussion; 778: } 779: 780: sub discussion_link { 781: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds,$title) = @_; 782: my $link = '<a href="/adm/feedback?'.$cmd.'='.&escape($ressymb).':::'.$item; 783: if ($flag) { $link .= '&previous='.$prev; } 784: if ($adds) { $link .= $adds; } 785: $link .= '"'; 786: if ($title) { $link .= ' title="'.$title.'"'; } 787: $link .= '>'.$linktext.'</a>'; 788: return $link; 789: } 790: 791: sub send_feedback_link { 792: my ($ressymb,$target) = @_; 793: my $output = '<span class="LC_feedback_link">'. 794: ' <a href="/adm/feedback?replydisc='. 795: &escape($ressymb).':::" '.$target.'>'. 796: '<img alt="" class="LC_noBorder" src="'. 797: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 798: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 799: return $output; 800: } 801: 802: sub send_message_link { 803: my ($ressymb) = @_; 804: my $output = '<span class="LC_message_link">'. 805: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 806: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 807: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 808: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 809: return $output; 810: } 811: 812: sub action_links_bar { 813: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 814: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 815: '<table width="100%" class="LC_disc_action_table"><tr>'. 816: '<td class="LC_disc_action_left">'; 817: my $escsymb=&escape($ressymb); 818: if ($visible) { 819: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 820: if ($newpostsflag) { 821: $discussion .= '&previous='.$prevread; 822: } 823: $discussion .= &group_args($group); 824: $discussion .='">'.&mt('Threaded View').'</a>  '. 825: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 826: if ($newpostsflag) { 827: $discussion .= '&previous='.$prevread; 828: } 829: $discussion .= &group_args($group); 830: $discussion .='">'.&mt('Chronological View').'</a>   831: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 832: if ($newpostsflag) { 833: $discussion .= '&previous='.$prevread; 834: } 835: $discussion .= &group_args($group); 836: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 837: } 838: $discussion .='<a href="/adm/feedback?export='.$escsymb; 839: if ($newpostsflag) { 840: $discussion .= '&previous='.$prevread; 841: } 842: $discussion .= &group_args($group); 843: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 844: if ($newpostsflag) { 845: if (!$markondisp) { 846: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 847: $discussion .= &group_args($group); 848: $discussion .= '">'. 849: &mt('Preferences on what is marked as NEW'). 850: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 851: $discussion .= &group_args($group); 852: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 853: } else { 854: $discussion .= '<td> </td>'; 855: } 856: } else { 857: $discussion .= '<td> </td>'; 858: } 859: $discussion .= '</tr></table></td></tr>'; 860: return $discussion; 861: } 862: 863: sub postingform_display { 864: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 865: $currnewattach,$currdelold,$group,$crstype) = @_; 866: my $newattachmsg; 867: my %lt = &Apache::lonlocal::texthash( 868: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 869: 'title' => 'Title', 870: 'podi' => 'Post Discussion', 871: 'poan' => 'Post Anonymous Discussion', 872: 'newa' => 'New attachments', 873: ); 874: if ($crstype eq 'Community') { 875: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 876: } 877: my ($postingform,$textareaclass); 878: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 879: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 880: $textareaclass = 'class="LC_richDefaultOff"'; 881: if ($env{'request.course.id'}) { 882: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 883: undef($textareaclass); 884: } 885: } 886: } 887: $postingform .= (<<ENDDISCUSS); 888: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 889: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 890: <input type="hidden" name="sendit" value="true" /> 891: <input type="hidden" name="timestamp" value="$now" /> 892: <br /><a name="newpost"></a> 893: <font size="1">$lt{'note'}</font><br /> 894: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 895: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 896: ENDDISCUSS 897: if ($env{'form.origpage'}) { 898: $postingform .= '<input type="hidden" name="origpage" value="'. 899: $env{'form.origpage'}.'" />'."\n"; 900: foreach my $att (@{$currnewattach}) { 901: $postingform .= '<input type="hidden" name="currnewattach" '. 902: 'value="'.$att.'" />'."\n"; 903: } 904: } 905: if (exists($env{'form.ref'})) { 906: $postingform .= '<input type="hidden" name="ref" value="'. 907: $env{'form.ref'}.'" />'; 908: } 909: if ($group ne '') { 910: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 911: } 912: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 913: if (!$blockblog) { 914: $postingform .= &add_blog_checkbox($crstype); 915: } 916: $postingform .= "</form>\n"; 917: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 918: $now,$currnewattach, 919: $currdelold,'',$mode, 920: $blockblog); 921: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 922: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 923: if (@{$currnewattach} > 1) { 924: $newattachmsg .= '<ol>'; 925: foreach my $item (@{$currnewattach}) { 926: $item =~ m#.*/([^/]+)$#; 927: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 928: } 929: $newattachmsg .= '</ol>'."\n"; 930: } else { 931: $$currnewattach[0] =~ m#.*/([^/]+)$#; 932: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 933: } 934: } 935: $postingform .= $newattachmsg; 936: $postingform .= &generate_preview_button(); 937: return $postingform; 938: } 939: 940: sub build_posting_display { 941: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 942: my @original=(); 943: my @index=(); 944: my $skip_group_check = 0; 945: my $symb=&Apache::lonenc::check_decrypt($ressymb); 946: my $escsymb=&escape($ressymb); 947: # These are the discussion contributions 948: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 949: $env{'course.'.$env{'request.course.id'}.'.domain'}, 950: $env{'course.'.$env{'request.course.id'}.'.num'}); 951: # And these are the likes/unlikes 952: my %likes=&Apache::lonnet::dump('disclikes', 953: $env{'course.'.$env{'request.course.id'}.'.domain'}, 954: $env{'course.'.$env{'request.course.id'}.'.num'}, 955: '^'.$symb.':'); 956: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 957: # Array with likes to figure out averages, etc. 958: my @theselikes=(); 959: # Hashes containing likes and unlikes for this user. 960: my %userlikes=(); 961: my %userunlikes=(); 962: # Is the user allowed to see the real name behind anonymous postings? 963: my $see_anonymous = 964: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 965: 966: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 967: $skip_group_check = 1; 968: } 969: my (%deletions,%hiddens); 970: if ($contrib{'deleted'}) { 971: my $deleted = $contrib{'deleted'}; 972: $deleted =~ s/^\.//; 973: $deleted =~ s/\.$//; 974: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 975: } 976: if ($contrib{'hidden'}) { 977: my $hidden = $contrib{'hidden'}; 978: $hidden =~ s/^\.//; 979: $hidden =~ s/\.$//; 980: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 981: } 982: if ($contrib{'version'}) { 983: my $oldest = $contrib{'1:timestamp'}; 984: if ($prevread eq '0') { 985: $prevread = $oldest-1; 986: } 987: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 988: if ($sortposts) { 989: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 990: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 991: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 992: } 993: # We need to go through this twice, first to get the likes/dislikes, then to actually build the display 994: for (my $id=1;$id<=$contrib{'version'};$id++) { 995: my $idx=$id; 996: next if ($contrib{$idx.':deleted'}); 997: next if ($contrib{$idx.':hidden'}); 998: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx}) || (!$contrib{$idx.':message'})) { 999: if ($likes{$symb.':'.$idx.':likes'} ne '') { 1000: push(@theselikes,$likes{$symb.':'.$idx.':likes'}); 1001: if (ref($likes{$symb.':'.$idx.':likers'}) eq 'HASH') { 1002: if (exists($likes{$symb.':'.$idx.':likers'}{$thisuser})) { 1003: $userlikes{$idx} = 1; 1004: } 1005: } 1006: if (ref($likes{$symb.':'.$idx.':unlikers'}) eq 'HASH') { 1007: if (exists($likes{$symb.':'.$idx.':unlikers'}{$thisuser})) { 1008: $userunlikes{$idx} = 1; 1009: } 1010: } 1011: } 1012: } 1013: } 1014: # Figure out average likes and standard deviation if there are enough 1015: # discussions to warrant that 1016: my $ave=0; 1017: my $stddev=10000; 1018: if ($#theselikes>1) { 1019: my $sum=0; 1020: my $num=$#theselikes+1; 1021: foreach my $thislike (@theselikes) { 1022: $sum+=$thislike; 1023: } 1024: $ave=$sum/$num; 1025: my $sumsq=0; 1026: foreach my $thislike (@theselikes) { 1027: $sumsq+=($thislike-$ave)*($thislike-$ave); 1028: } 1029: $stddev=sqrt($sumsq/$num); 1030: } 1031: # Now we know the average likes $ave and the standard deviation $stddev 1032: # Get the boundaries for markup 1033: my $oneplus=$ave+$stddev; 1034: my $twoplus=$ave+2.*$stddev; 1035: my $oneminus=$ave-$stddev; 1036: my $twominus=$ave-2.*$stddev; 1037: # 1038: # This is now the real loop. Go through all entries, pick up what we need 1039: # 1040: for (my $id=1;$id<=$contrib{'version'};$id++) { 1041: my $idx=$id; 1042: next if ($contrib{$idx.':deleted'}); 1043: next if ($contrib{$idx.':hidden'}); 1044: my $posttime = $contrib{$idx.':timestamp'}; 1045: if ($prevread <= $posttime) { 1046: $$newpostsflag = 1; 1047: } 1048: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 1049: my $origindex='0.'; 1050: my $numoldver=0; 1051: if ($contrib{$idx.':replyto'}) { 1052: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1053: # this is a follow-up message 1054: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 1055: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 1056: $origindex=$index[$contrib{$idx.':replyto'}]; 1057: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 1058: } else { 1059: $original[$idx]=0; 1060: $$depth[$idx]=0; 1061: } 1062: } else { 1063: # this is an original message 1064: $original[$idx]=0; 1065: $$depth[$idx]=0; 1066: } 1067: if ($$replies[$$depth[$idx]]) { 1068: $$replies[$$depth[$idx]]++; 1069: } else { 1070: $$replies[$$depth[$idx]]=1; 1071: } 1072: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1073: $$visible++; 1074: if ($contrib{$idx.':history'}) { 1075: if ($contrib{$idx.':history'} =~ /:/) { 1076: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1077: $numoldver = @oldversions; 1078: } else { 1079: $numoldver = 1; 1080: } 1081: } 1082: $$current = $numoldver; 1083: my %messages = (); 1084: my %subjects = (); 1085: my %attachtxt = (); 1086: my %allattachments = (); 1087: my ($screenname,$plainname,$showaboutme); 1088: my $sender = &mt('Anonymous'); 1089: # Anonymous users getting number within a discussion 1090: # Since idx is in static order, this should give the same sequence every time. 1091: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1092: unless ($$anonhash{$key}) { 1093: $anoncnt++; 1094: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1095: } 1096: my ($message,$subject,$vgrlink,$ctlink); 1097: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,\$showaboutme,$numoldver); 1098: 1099: 1100: # Set up for sorting by subject 1101: unless ($outputtarget eq 'export') { 1102: $message=$messages{$numoldver}; 1103: $message.=$attachtxt{$numoldver}; 1104: $subject=$subjects{$numoldver}; 1105: if ($message) { 1106: if ($hiddens{$idx}) { 1107: $message='<font color="#888888">'.$message.'</font>'; 1108: if ($studenthidden) { 1109: $message .='<br /><br />Deleted by poster (student).'; 1110: } 1111: } 1112: 1113: if ($subject eq '') { 1114: if (defined($$subjectsort{'__No subject'})) { 1115: push(@{$$subjectsort{'__No subject'}}, $idx); 1116: } else { 1117: @{$$subjectsort{'__No subject'}} = ("$idx"); 1118: } 1119: } else { 1120: if (defined($$subjectsort{$subject})) { 1121: push(@{$$subjectsort{$subject}}, $idx); 1122: } else { 1123: @{$$subjectsort{$subject}} = ("$idx"); 1124: } 1125: } 1126: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1127: if ($showaboutme) { 1128: $sender = &Apache::loncommon::aboutmewrapper( 1129: $plainname, 1130: $contrib{$idx.':sendername'}, 1131: $contrib{$idx.':senderdomain'}); 1132: } else { 1133: $sender = $plainname; 1134: } 1135: if ($see_anonymous) { 1136: $sender .= ' ('.$contrib{$idx.':sendername'}.':'. 1137: $contrib{$idx.':senderdomain'}.')'; 1138: } 1139: $sender = '<b>'.$sender.'</b>'; 1140: if ($contrib{$idx.':anonymous'}) { 1141: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1142: $screenname; 1143: } 1144: if ($see_anonymous) { 1145: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1146: } 1147: # Set up for sorting by domain, then username 1148: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1149: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1150: } 1151: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1152: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1153: } else { 1154: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1155: } 1156: # Set up for sorting by last name, then first name 1157: my %names = &Apache::lonnet::get('environment', 1158: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1159: ,$contrib{$idx.':sendername'}); 1160: my $lastname = $names{'lastname'}; 1161: my $firstname = $names{'firstname'}; 1162: if ($lastname eq '') { 1163: $lastname = '_'; 1164: } 1165: if ($firstname eq '') { 1166: $firstname = '_'; 1167: } 1168: unless (defined($$namesort{$lastname})) { 1169: %{$$namesort{$lastname}} = (); 1170: } 1171: if (defined($$namesort{$lastname}{$firstname})) { 1172: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1173: } else { 1174: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1175: } 1176: if ($outputtarget ne 'tex') { 1177: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1178: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1179: $sender.=' <a href="/adm/feedback?editdisc='. 1180: $escsymb.':::'.$idx; 1181: if ($$newpostsflag) { 1182: $sender .= '&previous='.$prevread; 1183: } 1184: $sender .= &group_args($group); 1185: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1186: 1187: unless ($seeid) { 1188: my $grpargs = &group_args($group); 1189: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1190: $sender .= '">'.&mt('Delete').'</a>'; 1191: } 1192: } 1193: } 1194: if ($seeid) { 1195: if ($hiddens{$idx}) { 1196: unless ($studenthidden) { 1197: $sender.=' <a href="/adm/feedback?unhide='. 1198: $escsymb.':::'.$idx; 1199: if ($$newpostsflag) { 1200: $sender .= '&previous='.$prevread; 1201: } 1202: $sender .= '">'.&mt('Make Visible').'</a>'; 1203: } 1204: } else { 1205: $sender.=' <a href="/adm/feedback?hide='. 1206: $escsymb.':::'.$idx; 1207: if ($$newpostsflag) { 1208: $sender .= '&previous='.$prevread; 1209: } 1210: $sender .= &group_args($group); 1211: $sender .= '">'.&mt('Hide').'</a>'; 1212: } 1213: my $grpargs = &group_args($group); 1214: $sender.= 1215: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1216: $sender .= &mt('Delete').'</a>'; 1217: } 1218: } 1219: } else { 1220: if ($screenname) { 1221: $sender='<i>'.$screenname.'</i>'; 1222: } else { 1223: $sender='<i>'.$$anonhash{$key}.'</i>'; 1224: } 1225: $sender = '<b>'.$sender.'</b>'; 1226: # Set up for sorting by domain, then username for anonymous 1227: unless (defined($$usernamesort{'__anon'})) { 1228: %{$$usernamesort{'__anon'}} = (); 1229: } 1230: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1231: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1232: } else { 1233: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1234: } 1235: # Set up for sorting by last name, then first name for anonymous 1236: unless (defined($$namesort{'__anon'})) { 1237: %{$$namesort{'__anon'}} = (); 1238: } 1239: if (defined($$namesort{'__anon'}{'__anon'})) { 1240: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1241: } else { 1242: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1243: } 1244: } 1245: if ($outputtarget ne 'tex') { 1246: if (&discussion_open($status)) { 1247: if (($group ne '') && 1248: (&check_group_priv($group,'pgd') eq 'ok')) { 1249: $sender.=' <a href="/adm/feedback?replydisc='. 1250: $escsymb.':::'.$idx; 1251: if ($$newpostsflag) { 1252: $sender .= '&previous='.$prevread; 1253: } 1254: $sender .= &group_args($group); 1255: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1256: } elsif (&Apache::lonnet::allowed('pch', 1257: $env{'request.course.id'}. 1258: ($env{'request.course.sec'}?'/'. 1259: $env{'request.course.sec'}:''))) { 1260: $sender.=' <a href="/adm/feedback?replydisc='. 1261: $escsymb.':::'.$idx; 1262: if ($$newpostsflag) { 1263: $sender .= '&previous='.$prevread; 1264: } 1265: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1266: } 1267: } 1268: if ($viewgrades) { 1269: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1270: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1271: } 1272: if ($$dischash{$readkey}=~/\.$idx\./) { 1273: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1274: } else { 1275: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1276: } 1277: } 1278: } 1279: #figure out at what position this needs to print 1280: } 1281: if ($outputtarget eq 'export' || $message) { 1282: my $thisindex=$idx; 1283: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1284: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1285: } 1286: $$alldiscussion{$thisindex}=$idx; 1287: $$shown{$idx} = 0; 1288: $index[$idx]=$thisindex; 1289: } 1290: if ($outputtarget eq 'export') { 1291: %{$$imsitems{$idx}} = (); 1292: $$imsitems{$idx}{'isvisible'}='true'; 1293: if ($hiddens{$idx}) { 1294: $$imsitems{$idx}{'isvisible'}='false'; 1295: } 1296: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1297: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1298: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1299: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1300: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1301: $contrib{$idx.':sendername'}.':'. 1302: $contrib{$idx.':senderdomain'}.')'; 1303: $$imsitems{$idx}{'isanonymous'}='false'; 1304: if ($contrib{$idx.':anonymous'}) { 1305: $$imsitems{$idx}{'isanonymous'}='true'; 1306: } 1307: $$imsitems{$idx}{'currversion'}=$numoldver; 1308: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1309: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1310: $$shown{$idx} = 1; 1311: } 1312: } else { 1313: if ($message) { 1314: my $spansize = 2; 1315: if ($showonlyunread && $prevread > $posttime) { 1316: $$notshown{$idx} = 1; 1317: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1318: $$notshown{$idx} = 1; 1319: } else { 1320: # apply filters 1321: my $uname = $contrib{$idx.':sendername'}; 1322: my $udom = $contrib{$idx.':senderdomain'}; 1323: my $poster = $uname.':'.$udom; 1324: if ($env{'form.totposters'} ne '') { 1325: if ($totposters == 0) { 1326: $$shown{$idx} = 0; 1327: } elsif ($totposters > 0) { 1328: if (grep/^$poster$/,@{$posters}) { 1329: $$shown{$idx} = 1; 1330: } 1331: } 1332: } elsif ($sortposts) { 1333: if ($skiptest) { 1334: $$shown{$idx} = 1; 1335: } else { 1336: foreach my $role (@{$$roleinfo{$poster}}) { 1337: if ($role =~ /^cc:/) { 1338: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1339: if ($role =~ /$cc_regexp/) { 1340: $$shown{$idx} = 1; 1341: last; 1342: } 1343: } elsif ($role =~ /^$rolematch$/) { 1344: $$shown{$idx} = 1; 1345: last; 1346: } 1347: } 1348: } 1349: if ($$shown{$idx} && !$skip_group_check) { 1350: my $showflag = 0; 1351: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1352: foreach my $grp (@{$grouppick}) { 1353: if (grep/^\Q$grp\E$/, 1354: keys(%{$$classgroups{$poster}{active}})) { 1355: $showflag = 1; 1356: last; 1357: } 1358: } 1359: } 1360: if ($showflag) { 1361: $$shown{$idx} = 1; 1362: } else { 1363: $$shown{$idx} = 0; 1364: } 1365: } 1366: } else { 1367: $$shown{$idx} = 1; 1368: } 1369: } 1370: unless ($$notshown{$idx} == 1) { 1371: if ($prevread > 0 && $prevread <= $posttime) { 1372: $$newitem{$idx} = 1; 1373: $$discussionitems[$idx] .= ' 1374: <table border="0" width="100%"> 1375: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>'; 1376: } else { 1377: $$newitem{$idx} = 0; 1378: $$discussionitems[$idx] .= ' 1379: <table border="0" width="100%"> 1380: <tr><td align="left"> </td>'; 1381: } 1382: $$discussionitems[$idx] .= '<td align="left">  '. 1383: '<b>'.$subject.'</b>  '. 1384: $sender.' '.$vgrlink.' ('. 1385: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1386: if ($$dischash{$toggkey}) { 1387: $$discussionitems[$idx].='<td align="right">  '. 1388: $ctlink.'</td>'; 1389: } 1390: # Figure out size based on likes 1391: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1392: my $likesize="100"; 1393: if ($thislikes>$twoplus) { 1394: $likesize="200"; 1395: } elsif ($thislikes>$oneplus) { 1396: $likesize="150"; 1397: } 1398: if ($thislikes<$twominus) { 1399: $likesize="50"; 1400: } elsif ($thislikes<$oneminus) { 1401: $likesize="75"; 1402: } 1403: # Actually glue in the message itself 1404: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1405: "<div style='font-size:$likesize%'>". 1406: $message. 1407: '</div></blockquote>'; 1408: # Put in the like and unlike buttons 1409: if ($userlikes{$idx}) { 1410: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsup_gray.png" alt="'.&mt('You like this posting').'" />'; 1411: } else { 1412: $$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting")); 1413: } 1414: if ($userunlikes{$idx}) { 1415: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsdown_gray.png" alt="'.&mt('You unlike this posting').'" />'; 1416: } else { 1417: $$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />','unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting")); 1418: } 1419: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1420: if ($thislikes>0) { 1421: $$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')'; 1422: } elsif ($thislikes<0) { 1423: $$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; 1424: } 1425: if ($contrib{$idx.':history'}) { 1426: my @postversions = (); 1427: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1428: if ($seeid) { 1429: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1430: $$discussionitems[$idx] .= &group_args($group); 1431: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1432: } 1433: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1434: if ($contrib{$idx.':history'} =~ m/:/) { 1435: @postversions = split(/:/,$contrib{$idx.':history'}); 1436: } else { 1437: @postversions = ("$contrib{$idx.':history'}"); 1438: } 1439: for (my $i=0; $i<@postversions; $i++) { 1440: my $version = $i+1; 1441: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1442: } 1443: } 1444: } 1445: } 1446: } 1447: } 1448: } 1449: } 1450: } 1451: 1452: sub filter_regexp { 1453: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1454: my ($roleregexp,$secregexp,$statusregexp); 1455: my $skiptest = 1; 1456: if (@{$rolefilter} > 0) { 1457: my @okrolefilter = (); 1458: foreach my $role (@{$rolefilter}) { 1459: unless ($role eq '') { 1460: push(@okrolefilter, $role); 1461: } 1462: } 1463: if (@okrolefilter > 0) { 1464: if (grep/^all$/,@okrolefilter) { 1465: $roleregexp='[^:]+'; 1466: } else { 1467: if (@okrolefilter == 1) { 1468: $roleregexp=$okrolefilter[0]; 1469: } else { 1470: $roleregexp='('.join('|',@okrolefilter).')'; 1471: } 1472: $skiptest = 0; 1473: } 1474: } 1475: } 1476: if (@{$sectionpick} > 0) { 1477: my @oksectionpick = (); 1478: foreach my $sec (@{$sectionpick}) { 1479: unless ($sec eq '') { 1480: push(@oksectionpick, $sec); 1481: } 1482: } 1483: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1484: if (@oksectionpick == 1) { 1485: $secregexp = $oksectionpick[0]; 1486: } else { 1487: $secregexp .= '('.join('|',@oksectionpick).')'; 1488: } 1489: $skiptest = 0; 1490: } else { 1491: $secregexp .= '[^:]*'; 1492: } 1493: } 1494: 1495: if (defined($statusfilter) && $statusfilter ne '') { 1496: if ($statusfilter eq 'all') { 1497: $statusregexp = '[^:]+'; 1498: } else { 1499: $statusregexp = $statusfilter; 1500: $skiptest = 0; 1501: } 1502: } 1503: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1504: } 1505: 1506: 1507: sub get_post_contents { 1508: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$showaboutme,$numver) = @_; 1509: my $discussion = ''; 1510: my $start=$numver; 1511: my $end=$numver + 1; 1512: %{$$imsfiles{$idx}}=(); 1513: if ($type eq 'allversions') { 1514: unless($seeid) { 1515: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1516: return $discussion; 1517: } 1518: } 1519: # $$screenname=&Apache::loncommon::screenname( 1520: # $$contrib{$idx.':sendername'}, 1521: # $$contrib{$idx.':senderdomain'}); 1522: $$plainname=&Apache::loncommon::nickname( 1523: $$contrib{$idx.':sendername'}, 1524: $$contrib{$idx.':senderdomain'}); 1525: $$screenname=$$contrib{$idx.':screenname'}; 1526: $$showaboutme = &Apache::lonnet::usertools_access($$contrib{$idx.':sendername'}, 1527: $$contrib{$idx.':senderdomain'}, 1528: 'aboutme'); 1529: my $sender = $$plainname; 1530: if ($$showaboutme) { 1531: $sender = &Apache::loncommon::aboutmewrapper( 1532: $$plainname, 1533: $$contrib{$idx.':sendername'}, 1534: $$contrib{$idx.':senderdomain'}); 1535: } 1536: if ($seeid) { 1537: $sender .= ' ('.$$contrib{$idx.':sendername'}.':'. 1538: $$contrib{$idx.':senderdomain'}.')'; 1539: } 1540: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1541: my @postversions = (); 1542: if ($type eq 'allversions' || $type eq 'export') { 1543: $start = 0; 1544: if ($$contrib{$idx.':history'}) { 1545: @postversions = split(/:/,$$contrib{$idx.':history'}); 1546: } 1547: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1548: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1549: push(@postversions,$$contrib{$idx.':timestamp'}); 1550: $end = @postversions; 1551: } else { 1552: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1553: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1554: } 1555: 1556: if ($$contrib{$idx.':anonymous'}) { 1557: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1558: } 1559: if ($type eq 'allversions') { 1560: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1561: } 1562: for (my $i=$start; $i<$end; $i++) { 1563: my ($timesent,$attachmsg); 1564: my %currattach = (); 1565: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1566: unless (&contains_block_html($messages->{$i})) { 1567: &newline_to_br(\$messages->{$i}); 1568: } 1569: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1570: $$subjects{$i}=~s/\n/\<br \/\>/g; 1571: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1572: if ($attachmenturls) { 1573: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1574: } 1575: if ($type eq 'export') { 1576: $$imsfiles{$idx}{$i} = ''; 1577: if ($attachmsg) { 1578: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1579: foreach my $key (sort(keys(%currattach))) { 1580: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1581: my $fname = $1.$3.'/'.$4; 1582: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1583: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1584: } 1585: } 1586: } 1587: } else { 1588: if ($attachmsg) { 1589: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1590: } else { 1591: $$attachtxt{$i} = ''; 1592: } 1593: } 1594: if ($type eq 'allversions') { 1595: $discussion.= <<"END"; 1596: <li><b>$$subjects{$i}</b>, $timesent<br /> 1597: $$messages{$i}<br /> 1598: $$attachtxt{$i}</li> 1599: END 1600: } 1601: } 1602: if ($type eq 'allversions') { 1603: $discussion.='</ul>'; 1604: return $discussion; 1605: } else { 1606: return; 1607: } 1608: } 1609: 1610: sub replicate_attachments { 1611: my ($attachrefs,$tempexport) = @_; 1612: my $response; 1613: foreach my $id (keys(%{$attachrefs})) { 1614: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1615: my $path = $tempexport; 1616: my $tail = $1.'/'.$2.$4; 1617: my @extras = split(/\//,$tail); 1618: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1619: if (!-e $destination) { 1620: my $i= 0; 1621: while ($i<@extras) { 1622: $path .= '/'.$extras[$i]; 1623: if (!-e $path) { 1624: mkdir($path,0700); 1625: } 1626: $i ++; 1627: } 1628: my ($content,$rtncode); 1629: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1630: if ($uploadreply eq 'ok') { 1631: my $attachcopy; 1632: if ($attachcopy = Apache::File->new('>'.$destination)) { 1633: print $attachcopy $content; 1634: close($attachcopy); 1635: } else { 1636: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1637: } 1638: } else { 1639: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1640: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1641: } 1642: } 1643: } 1644: } 1645: return $response; 1646: } 1647: 1648: sub mail_screen { 1649: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1650: if (exists($env{'form.origpage'})) { 1651: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1652: } 1653: 1654: my %lt = &Apache::lonlocal::texthash( 1655: 'myqu' => 'My question/comment/feedback:', 1656: 'title' => 'Title', 1657: 'reta' => 'Retained attachments', 1658: 'atta' => 'Attachment', 1659: ); 1660: my $restitle = &get_resource_title($caller_symb,$feedurl); 1661: my $quote=''; 1662: my $subject = ''; 1663: my $comment = ''; 1664: my $prevtag = ''; 1665: my $parentmsg = ''; 1666: my ($symb,$idx,$attachmenturls); 1667: my $numoldver = 0; 1668: my $attachmsg = ''; 1669: my $newattachmsg = ''; 1670: my @currnewattach = (); 1671: my @currdelold = (); 1672: my @keepold = (); 1673: my %attachments = (); 1674: my %currattach = (); 1675: my $attachnum = 0; 1676: my $anonchk = (<<END); 1677: function anonchk() { 1678: for (var i=0; i < document.mailform.discuss.length; i++) { 1679: if (document.mailform.discuss[i].checked) { 1680: document.attachment.discuss.value = 1681: document.mailform.discuss[i].value; 1682: } 1683: } 1684: if (document.mailform.blog.checked) { 1685: document.attachment.blog.value = 1; 1686: } 1687: return 1688: } 1689: END 1690: my $anonscript; 1691: if (exists($env{'form.origpage'})) { 1692: $anonscript = (<<END); 1693: function setposttype() { 1694: var disc = "$env{'form.discuss'}"; 1695: for (var i=0; i < document.mailform.discuss.length; i++) { 1696: if (disc == document.mailform.discuss[i].value) { 1697: document.mailform.discuss[i].checked = 1; 1698: } 1699: } 1700: var blog = "$env{'form.blog'}"; 1701: if (blog == 1) { 1702: document.mailform.blog.checked=1; 1703: } 1704: return 1705: } 1706: END 1707: } else { 1708: $anonscript = (<<END); 1709: function setposttype() { 1710: return 1711: } 1712: END 1713: } 1714: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1715: if ($env{'form.replydisc'}) { 1716: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1717: } else { 1718: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1719: } 1720: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1721: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1722: $env{'course.'.$env{'request.course.id'}.'.num'}); 1723: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1724: if ($contrib{$idx.':history'}) { 1725: if ($contrib{$idx.':history'} =~ /:/) { 1726: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1727: $numoldver = @oldversions; 1728: } else { 1729: $numoldver = 1; 1730: } 1731: } 1732: if ($env{'form.replydisc'}) { 1733: if ($contrib{$idx.':history'}) { 1734: if ($contrib{$idx.':history'} =~ /:/) { 1735: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1736: $numoldver = @oldversions; 1737: } else { 1738: $numoldver = 1; 1739: } 1740: } 1741: if ($idx > 0) { 1742: my %msgversions = (); 1743: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1744: $quote = $msgversions{$numoldver}; 1745: } 1746: if ($idx > 0) { 1747: my %subversions = (); 1748: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1749: $subject = &mt('Re: ').$subversions{$numoldver}; 1750: } 1751: $subject = &HTML::Entities::encode($subject,'<>&"'); 1752: } else { 1753: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1754: if ($idx > 0) { 1755: my %msgversions = (); 1756: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1757: $comment = $msgversions{$numoldver}; 1758: my %subversions = (); 1759: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1760: $subject = $subversions{$numoldver}; 1761: } 1762: if (defined($contrib{$idx.':replyto'})) { 1763: $parentmsg = $contrib{$idx.':replyto'}; 1764: } 1765: unless (exists($env{'form.origpage'})) { 1766: my $anonflag = 'nonanon'; 1767: if ($contrib{$idx.':anonymous'}) { 1768: $anonflag = 'anon'; 1769: } 1770: $anonscript = (<<END); 1771: function setposttype () { 1772: var currtype = "$anonflag"; 1773: for (var i=0; i<document.mailform.discuss.length; i++) { 1774: if (document.mailform.elements.discuss[i].value == currtype ) { 1775: document.mailform.elements.discuss[i].checked=1; 1776: } 1777: } 1778: return 1779: } 1780: END 1781: } 1782: } 1783: } 1784: if ($env{'form.previous'}) { 1785: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1786: } 1787: } 1788: 1789: if ($env{'form.origpage'}) { 1790: $subject = &unescape($env{'form.subject'}); 1791: $comment = &unescape($env{'form.comment'}); 1792: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1793: } 1794: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1795: my $send=&mt('Send'); 1796: my $alert = &mt('Please select a feedback type.'); 1797: my $js= <<END; 1798: <script type="text/javascript"> 1799: // 1833: </script> 1834: END 1835: 1836: my ($textareaheader,$textareaclass); 1837: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1838: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1839: $textareaclass = 'class="LC_richDefaultOff"'; 1840: if ($env{'request.course.id'}) { 1841: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1842: undef($textareaclass); 1843: } 1844: } 1845: } 1846: 1847: # Breadcrumbs 1848: my $brcrum = [{'href' => '', 1849: 'text' => 'Resource Feedback and Discussion'}]; 1850: 1851: my %onload = ('onload' => 'window.focus();setposttype();'); 1852: my $start_page= 1853: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1854: {'add_entries' => \%onload, 1855: 'bread_crumbs' => $brcrum,}); 1856: 1857: if ($quote ne '') { 1858: $quote = &HTML::Entities::decode($quote); 1859: unless (&contains_block_html($quote)) { 1860: &newline_to_br(\$quote); 1861: } 1862: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1863: } 1864: 1865: $r->print(<<END); 1866: $start_page 1867: <h2><tt>$restitle</tt></h2> 1868: <form action="/adm/feedback" method="post" name="mailform" 1869: enctype="multipart/form-data"> 1870: $prevtag 1871: <input type="hidden" name="postdata" value="$feedurl" /> 1872: END 1873: if ($env{'form.replydisc'}) { 1874: $r->print(<<END); 1875: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1876: END 1877: } elsif ($env{'form.editdisc'}) { 1878: $r->print(<<END); 1879: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1880: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1881: END 1882: } 1883: $r->print(<<END); 1884: $options<hr /> 1885: $quote 1886: <p>$lt{'myqu'} 1887: $textareaheader 1888: </p> 1889: <p> 1890: $latexHelp 1891: </p> 1892: <p> 1893: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1894: <p> 1895: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1896: </textarea></p> 1897: END 1898: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1899: if ($env{'form.origpage'}) { 1900: foreach my $attach (@currnewattach) { 1901: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1902: } 1903: foreach my $oldatt (@currdelold) { 1904: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1905: } 1906: } 1907: if ($env{'form.editdisc'}) { 1908: if ($attachmenturls) { 1909: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1910: $attachnum = scalar(keys(%currattach)); 1911: foreach my $key (keys(%currattach)) { 1912: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1913: } 1914: } 1915: } 1916: } else { 1917: $r->print(<<END); 1918: <p> 1919: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1920: </p> 1921: END 1922: } 1923: if (exists($env{'form.group'})) { 1924: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1925: } 1926: if (exists($env{'form.ref'})) { 1927: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1928: } 1929: $r->print(<<END); 1930: <p> 1931: <input type="hidden" name="sendit" value="1" /> 1932: <input type="button" value="$send" onclick='gosubmit();' /> 1933: </p> 1934: </form> 1935: END 1936: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1937: my $now = time; 1938: my $ressymb = $symb; 1939: &Apache::lonenc::check_encrypt(\$ressymb); 1940: my $postidx = ''; 1941: if ($env{'form.editdisc'}) { 1942: $postidx = $idx; 1943: } 1944: if (@currnewattach > 0) { 1945: $attachnum += @currnewattach; 1946: } 1947: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1948: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1949: if ($attachnum > 0) { 1950: if (@currnewattach > 0) { 1951: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1952: if (@currnewattach > 1) { 1953: $newattachmsg .= '<ol>'; 1954: foreach my $item (@currnewattach) { 1955: $item =~ m#.*/([^/]+)$#; 1956: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1957: } 1958: $newattachmsg .= '</ol>'."\n"; 1959: } else { 1960: $currnewattach[0] =~ m#.*/([^/]+)$#; 1961: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1962: } 1963: } 1964: if ($attachmsg) { 1965: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1966: } 1967: if ($newattachmsg) { 1968: $r->print("$newattachmsg<br />"); 1969: } 1970: } 1971: } 1972: $r->print(&generate_preview_button(). 1973: &Apache::loncommon::end_page()); 1974: 1975: } 1976: 1977: sub print_display_options { 1978: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1979: &Apache::loncommon::content_type($r,'text/html'); 1980: $r->send_http_header; 1981: 1982: my $function = &Apache::loncommon::get_users_function(); 1983: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1984: $env{'user.domain'}); 1985: 1986: my %lt = &Apache::lonlocal::texthash( 1987: 'pref' => 'Display Preference', 1988: 'curr' => 'Current setting ', 1989: 'actn' => 'Action', 1990: 'deff' => 'Default for all discussions', 1991: 'prca' => 'Preferences can be set for this discussion that determine ....', 1992: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1993: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1994: 'wipa' => 'Whether individual posts can be marked as read/unread', 1995: 'allposts' => 'All posts', 1996: 'unread' => 'New posts only', 1997: 'unmark' => 'Posts not marked read', 1998: 'ondisp' => 'Once displayed', 1999: 'onmark' => 'Once marked not NEW', 2000: 'toggon' => 'Shown', 2001: 'toggoff' => 'Not shown', 2002: 'disa' => 'Posts displayed?', 2003: 'npmr' => 'New posts cease to be identified as "NEW"?', 2004: 'dotm' => 'Option to mark each post as read/unread?', 2005: 'chgt' => 'Change to ', 2006: 'mkdf' => 'Set to ', 2007: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 2008: 'ywbr' => 'You will be returned to the previous page if you click OK.' 2009: ); 2010: 2011: my $dispchangeA = $lt{'unread'}; 2012: my $dispchangeB = $lt{'unmark'}; 2013: my $markchange = $lt{'ondisp'}; 2014: my $toggchange = $lt{'toggon'}; 2015: my $currdisp = $lt{'allposts'}; 2016: my $currmark = $lt{'onmark'}; 2017: my $discdisp = 'allposts'; 2018: my $discmark = 'onmark'; 2019: my $currtogg = $lt{'toggoff'}; 2020: my $disctogg = 'toggoff'; 2021: 2022: if ($dispchgA eq 'allposts') { 2023: $dispchangeA = $lt{'allposts'}; 2024: $currdisp = $lt{'unread'}; 2025: $discdisp = 'unread'; 2026: } 2027: 2028: if ($markchg eq 'markonread') { 2029: $markchange = $lt{'onmark'}; 2030: $currmark = $lt{'ondisp'}; 2031: $discmark = 'ondisp'; 2032: } 2033: 2034: if ($dispchgB eq 'onlyunread') { 2035: $dispchangeB = $lt{'unread'}; 2036: $currdisp = $lt{'unmark'}; 2037: $discdisp = 'unmark'; 2038: } 2039: if ($toggchg eq 'toggoff') { 2040: $toggchange = $lt{'toggoff'}; 2041: $currtogg = $lt{'toggon'}; 2042: $disctogg = 'toggon'; 2043: } 2044: 2045: my $js = <<END; 2046: <script type="text/javascript"> 2047: function discdispChk(caller) { 2048: var disctogg = '$toggchg' 2049: if (caller == 0) { 2050: if (document.modifydisp.discdisp[0].checked == true) { 2051: if (document.modifydisp.discdisp[1].checked == true) { 2052: document.modifydisp.discdisp[1].checked = false 2053: } 2054: } 2055: } 2056: if (caller == 1) { 2057: if (document.modifydisp.discdisp[1].checked == true) { 2058: if (document.modifydisp.discdisp[0].checked == true) { 2059: document.modifydisp.discdisp[0].checked = false 2060: } 2061: if (disctogg == 'toggon') { 2062: document.modifydisp.disctogg.checked = true 2063: } 2064: if (disctogg == 'toggoff') { 2065: document.modifydisp.disctogg.checked = false 2066: } 2067: } 2068: } 2069: if (caller == 2) { 2070: var dispchgB = '$dispchgB' 2071: if (disctogg == 'toggoff') { 2072: if (document.modifydisp.disctogg.checked == true) { 2073: if (dispchgB == 'onlyunmark') { 2074: document.modifydisp.discdisp[1].checked = false 2075: } 2076: } 2077: } 2078: } 2079: } 2080: 2081: function setDisp() { 2082: var prev = "$previous" 2083: var chktotal = 0 2084: if (document.modifydisp.discdisp[0].checked == true) { 2085: document.modifydisp.$dispchgA.value = "$symb" 2086: chktotal ++ 2087: } 2088: if (document.modifydisp.discdisp[1].checked == true) { 2089: document.modifydisp.$dispchgB.value = "$symb" 2090: chktotal ++ 2091: } 2092: if (document.modifydisp.discmark.checked == true) { 2093: document.modifydisp.$markchg.value = "$symb" 2094: chktotal ++ 2095: } 2096: if (document.modifydisp.disctogg.checked == true) { 2097: document.modifydisp.$toggchg.value = "$symb" 2098: chktotal ++ 2099: } 2100: if (chktotal > 0) { 2101: document.modifydisp.submit() 2102: } else { 2103: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2104: if (prev > 0) { 2105: location.href = "$feedurl?previous=$previous" 2106: } else { 2107: location.href = "$feedurl" 2108: } 2109: } 2110: } 2111: } 2112: </script> 2113: END 2114: 2115: 2116: my $start_page = 2117: &Apache::loncommon::start_page('Discussion display options',$js); 2118: my $end_page = 2119: &Apache::loncommon::end_page(); 2120: $r->print(<<END); 2121: $start_page 2122: <form name="modifydisp" method="post" action="/adm/feedback"> 2123: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2124: <br /> 2125: END 2126: $r->print(&Apache::loncommon::start_data_table()); 2127: $r->print(<<END); 2128: <tr> 2129: <th>$lt{'pref'}</td> 2130: <th>$lt{'curr'}</td> 2131: <th>$lt{'actn'}?</td> 2132: </tr> 2133: END 2134: $r->print(&Apache::loncommon::start_data_table_row()); 2135: $r->print(<<END); 2136: <td>$lt{'disa'}</td> 2137: <td>$lt{$discdisp}</td> 2138: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2139: <br /> 2140: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2141: </td> 2142: END 2143: $r->print(&Apache::loncommon::end_data_table_row()); 2144: $r->print(&Apache::loncommon::start_data_table_row()); 2145: $r->print(<<END); 2146: <td>$lt{'npmr'}</td> 2147: <td>$lt{$discmark}</td> 2148: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2149: END 2150: $r->print(&Apache::loncommon::end_data_table_row()); 2151: $r->print(&Apache::loncommon::start_data_table_row()); 2152: $r->print(<<END); 2153: <td>$lt{'dotm'}</td> 2154: <td>$lt{$disctogg}</td> 2155: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2156: END 2157: my $save = &mt('Save'); 2158: $r->print(&Apache::loncommon::end_data_table_row()); 2159: $r->print(&Apache::loncommon::end_data_table()); 2160: $r->print(<<END); 2161: <br /> 2162: <br /> 2163: <input type="hidden" name="symb" value="$symb" /> 2164: <input type="hidden" name="previous" value="$previous" /> 2165: <input type="hidden" name="$dispchgA" value="" /> 2166: <input type="hidden" name="$dispchgB" value="" /> 2167: <input type="hidden" name="$markchg" value="" /> 2168: <input type="hidden" name="$toggchg" value="" /> 2169: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2170: END 2171: if (exists($env{'form.group'})) { 2172: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2173: } 2174: if (exists($env{'form.ref'})) { 2175: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2176: } 2177: $r->print(" 2178: <br /> 2179: <br /> 2180: </form> 2181: $end_page 2182: "); 2183: return; 2184: } 2185: 2186: sub print_sortfilter_options { 2187: my ($r,$symb,$previous,$feedurl) = @_; 2188: 2189: &Apache::loncommon::content_type($r,'text/html'); 2190: $r->send_http_header; 2191: 2192: &Apache::lonenc::check_encrypt(\$symb); 2193: my @sections; 2194: my $section_sel = ''; 2195: my $numvisible = 5; 2196: my @groups; 2197: my $group_sel = ''; 2198: my $numgroupvis = 5; 2199: my %sectioncount = &Apache::loncommon::get_sections(); 2200: my @courseroles = qw(st ad ep ta in); 2201: my $crstype = &Apache::loncommon::course_type(); 2202: my $ccrole = 'cc'; 2203: if ($crstype eq 'Community') { 2204: $ccrole = 'co'; 2205: } 2206: push(@courseroles,$ccrole); 2207: 2208: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2209: @sections = ('all',$env{'request.course.sec'}); 2210: $numvisible = 2; 2211: } else { 2212: @sections = sort {$a cmp $b} keys(%sectioncount); 2213: if (scalar(@sections) < 4) { 2214: $numvisible = scalar(@sections) + 1; 2215: } 2216: unshift(@sections,'all'); # Put 'all' at the front of the list 2217: 2218: } 2219: foreach my $sec (@sections) { 2220: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2221: } 2222: 2223: if (&check_group_priv() eq 'ok') { 2224: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2225: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2226: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2227: @groups = sort {$a cmp $b} keys(%curr_groups); 2228: if (scalar(@groups) < 4) { 2229: $numgroupvis = scalar(@groups) + 1; 2230: } 2231: unshift(@groups,'all'); # Put 'all' at the front of the list 2232: } else { 2233: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2234: if (@coursegroups > 0) { 2235: @coursegroups = sort {$a cmp $b} @coursegroups; 2236: @groups = ('all',@coursegroups); 2237: if (scalar(@groups) < 4) { 2238: $numgroupvis = scalar(@groups) + 1; 2239: } 2240: } else { 2241: @groups = ('all'); 2242: $numgroupvis = 1; 2243: } 2244: } 2245: foreach my $group (@groups) { 2246: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2247: } 2248: 2249: my $function = &Apache::loncommon::get_users_function(); 2250: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2251: $env{'user.domain'}); 2252: my %lt = &Apache::lonlocal::texthash( 2253: 'diop' => 'Display Options', 2254: 'curr' => 'Current setting ', 2255: 'actn' => 'Action', 2256: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2257: 'soor' => 'Sort order', 2258: 'spur' => 'Specific user roles', 2259: 'sprs' => 'Specific role status', 2260: 'spse' => 'Specific sections', 2261: 'spgr' => 'Specific groups', 2262: 'psub' => 'Pick specific users (by name)', 2263: 'shal' => 'Show a list of current posters', 2264: 'stor' => 'Save changes', 2265: ); 2266: 2267: my %sort_types = (); 2268: my %role_types = (); 2269: my %status_types = (); 2270: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2271: 2272: my $js = <<END; 2273: <script type="text/javascript"> 2274: function verifyFilter() { 2275: var rolenum = 0 2276: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2277: if (document.modifyshown.rolefilter.options[i].selected == true) { 2278: rolenum ++ 2279: } 2280: } 2281: if (rolenum == 0) { 2282: document.modifyshown.rolefilter.options[0].selected = true 2283: } 2284: 2285: var secnum = 0 2286: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2287: if (document.modifyshown.sectionpick.options[i].selected == true) { 2288: secnum ++ 2289: } 2290: } 2291: if (secnum == 0) { 2292: document.modifyshown.sectionpick.options[0].selected = true 2293: } 2294: 2295: var grpnum = 0 2296: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2297: if (document.modifyshown.grouppick.options[i].selected == true) { 2298: grpnum ++ 2299: } 2300: } 2301: if (grpnum == 0) { 2302: document.modifyshown.grouppick.options[0].selected = true 2303: } 2304: 2305: document.modifyshown.submit(); 2306: } 2307: </script> 2308: END 2309: 2310: my $start_page= 2311: &Apache::loncommon::start_page('Discussion options',$js); 2312: my $end_page= 2313: &Apache::loncommon::end_page(); 2314: 2315: $r->print(<<END); 2316: $start_page 2317: <form name="modifyshown" method="post" action="/adm/feedback"> 2318: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2319: <br /><br /> 2320: <table border="0"> 2321: <tr> 2322: <th>$lt{'soor'}</th> 2323: <th> </th> 2324: <th>$lt{'sprs'}</th> 2325: <th> </th> 2326: <th>$lt{'spur'}</th> 2327: <th> </th> 2328: <th>$lt{'spse'}</th> 2329: <th> </th> 2330: <th>$lt{'spgr'}</th> 2331: <th> </th> 2332: <th>$lt{'psub'}</th> 2333: </tr> 2334: <tr> 2335: <td align="center" valign="top"> 2336: <select name="sortposts"> 2337: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2338: <option value="descdate">$sort_types{'descdate'}</option> 2339: <option value="thread">$sort_types{'thread'}</option> 2340: <option value="subject">$sort_types{'subject'}</option> 2341: <option value="username">$sort_types{'username'}</option> 2342: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2343: </select> 2344: </td> 2345: <td> </td> 2346: <td align="center" valign="top"> 2347: <select name="statusfilter"> 2348: <option value="all" selected="selected">$status_types{'all'}</option> 2349: <option value="Active">$status_types{'Active'}</option> 2350: <option value="Expired">$status_types{'Expired'}</option> 2351: <option value="Future">$status_types{'Future'}</option> 2352: </select> 2353: </td> 2354: <td> </td> 2355: <td align="center" valign="top"> 2356: <select name="rolefilter" multiple="multiple" size="5"> 2357: <option value="all">$role_types{'all'}</option> 2358: <option value="st">$role_types{'st'}</option> 2359: <option value="$ccrole">$role_types{$ccrole}</option> 2360: <option value="in">$role_types{'in'}</option> 2361: <option value="ta">$role_types{'ta'}</option> 2362: <option value="ep">$role_types{'ep'}</option> 2363: <option value="ad">$role_types{'ad'}</option> 2364: <option value="cr">$role_types{'cr'}</option> 2365: </select> 2366: </td> 2367: <td> </td> 2368: <td align="center" valign="top"> 2369: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2370: $section_sel 2371: </select> 2372: </td> 2373: <td> </td> 2374: <td align="center" valign="top"> 2375: <select name="grouppick" multiple="multiple" size="$numvisible"> 2376: $group_sel 2377: </select> 2378: </td> 2379: <td> </td> 2380: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2381: </tr> 2382: </table> 2383: <br /> 2384: <br /> 2385: <input type="hidden" name="previous" value="$previous" /> 2386: <input type="hidden" name="applysort" value="$symb" /> 2387: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2388: END 2389: if (exists($env{'form.group'})) { 2390: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2391: } 2392: if (exists($env{'form.ref'})) { 2393: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2394: } 2395: $r->print(" 2396: <br /> 2397: <br /> 2398: </form> 2399: $end_page 2400: "); 2401: } 2402: 2403: sub print_showposters { 2404: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2405: 2406: &Apache::loncommon::content_type($r,'text/html'); 2407: $r->send_http_header; 2408: 2409: &Apache::lonenc::check_encrypt(\$symb); 2410: my $crs='/'.$env{'request.course.id'}; 2411: if ($env{'request.course.sec'}) { 2412: $crs.='_'.$env{'request.course.sec'}; 2413: } 2414: $crs=~s/\_/\//g; 2415: my $seeid; 2416: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2417: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2418: my $group = $env{'form.group'}; 2419: my $ressymb = &wrap_symb($symb); 2420: if (($group ne '') && 2421: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2422: if (&check_group_priv($group,'dgp') eq 'ok') { 2423: $seeid = 1; 2424: } 2425: } else { 2426: $seeid=&Apache::lonnet::allowed('rin',$crs); 2427: } 2428: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2429: $cdom,$cnum); 2430: my %namesort = (); 2431: my %postcounts = (); 2432: 2433: my %lt = &Apache::lonlocal::texthash( 2434: sele => 'Select', 2435: full => 'Fullname', 2436: usdo => 'Username:domain', 2437: post => 'Posts', 2438: ); 2439: if ($contrib{'version'}) { 2440: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2441: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2442: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2443: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2444: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2445: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2446: my $lastname = $names{'lastname'}; 2447: my $firstname = $names{'firstname'}; 2448: if ($lastname eq '') { 2449: $lastname = '_'; 2450: } 2451: if ($firstname eq '') { 2452: $firstname = '_'; 2453: } 2454: unless (defined($namesort{$lastname})) { 2455: %{$namesort{$lastname}} = (); 2456: } 2457: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2458: $postcounts{$poster} ++; 2459: if (defined($namesort{$lastname}{$firstname})) { 2460: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2461: push(@{$namesort{$lastname}{$firstname}}, $poster); 2462: } 2463: } else { 2464: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2465: } 2466: } 2467: } 2468: } 2469: } 2470: 2471: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2472: my $table_start =&Apache::loncommon::start_data_table(); 2473: $r->print(<<END); 2474: $start_page 2475: <form name="pickpostersform" method="post"> 2476: <br /> 2477: $table_start 2478: <tr> 2479: <th>#</th> 2480: <th>$lt{'sele'}</th> 2481: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2482: <th>$lt{'post'}</th> 2483: </tr> 2484: END 2485: my $count = 0; 2486: foreach my $last (sort(keys(%namesort))) { 2487: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2488: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2489: my ($uname,$udom) = split(/:/,$user); 2490: if (!$uname || !$udom) { 2491: next; 2492: } else { 2493: $count ++; 2494: $r->print(&Apache::loncommon::start_data_table_row(). 2495: '<td align="right">'.$count.'</td> 2496: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2497: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2498: <td>'.$postcounts{$user}.'</td>'. 2499: &Apache::loncommon::end_data_table_row()); 2500: } 2501: } 2502: } 2503: } 2504: $r->print(&Apache::loncommon::end_data_table()); 2505: my $end_page = &Apache::loncommon::end_page(); 2506: $r->print(<<END); 2507: <br /> 2508: <input type="hidden" name="sortposts" value="$sortposts" /> 2509: <input type="hidden" name="userpick" value="$symb" /> 2510: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2511: </form> 2512: $end_page 2513: END 2514: } 2515: 2516: sub get_post_versions { 2517: my ($versions,$incoming,$htmldecode,$numver) = @_; 2518: if ($incoming =~ /^<version num="0">/) { 2519: my $p = HTML::LCParser->new(\$incoming); 2520: my $done = 0; 2521: 2522: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2523: my $num = $token->[1]{num}; 2524: my $text = $p->get_text("/version"); 2525: if (defined($numver)) { 2526: if ($num == $numver) { 2527: if ($htmldecode) { 2528: $text = &HTML::Entities::decode($text); 2529: } 2530: $$versions{$numver}=$text; 2531: $done = 1; 2532: } 2533: } else { 2534: if ($htmldecode) { 2535: $text = &HTML::Entities::decode($text); 2536: } 2537: $$versions{$num}=$text; 2538: } 2539: } 2540: } else { 2541: if (!defined($numver)) { 2542: $numver = 0; 2543: } 2544: if ($htmldecode) { 2545: $$versions{$numver} = $incoming; 2546: } else { 2547: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2548: } 2549: } 2550: return; 2551: } 2552: 2553: sub get_post_attachments { 2554: my ($attachments,$attachmenturls) = @_; 2555: my $num; 2556: if ($attachmenturls =~ m/^<attachment id="0">/) { 2557: my $p = HTML::LCParser->new(\$attachmenturls); 2558: while (my $token = $p->get_tag("attachment","filename","post")) { 2559: if ($token->[0] eq "attachment") { 2560: $num = $token->[1]{id}; 2561: %{$$attachments{$num}} =(); 2562: } elsif ($token->[0] eq "filename") { 2563: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2564: } elsif ($token->[0] eq "post") { 2565: my $id = $token->[1]{id}; 2566: $$attachments{$num}{$id} = $p->get_text("/post"); 2567: } 2568: } 2569: } else { 2570: %{$$attachments{'0'}} = (); 2571: $$attachments{'0'}{'filename'} = $attachmenturls; 2572: $$attachments{'0'}{'0'} = 'n'; 2573: } 2574: 2575: return; 2576: } 2577: 2578: sub fail_redirect { 2579: my ($r,$feedurl) = @_; 2580: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2581: my %lt = &Apache::lonlocal::texthash( 2582: 'sorr' => 'Sorry, no recipients ...', 2583: ); 2584: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2585: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2586: {'redirect' => [2,$feedurl], 2587: 'only_body' => 1,})); 2588: $r->print(<<ENDFAILREDIR); 2589: <img align="right" src="$logo" /> 2590: <b>$lt{'sorr'}</b> 2591: ENDFAILREDIR 2592: $r->print(&Apache::loncommon::end_page()); 2593: } 2594: 2595: sub redirect_back { 2596: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2597: my $sorttag = ''; 2598: my $roletag = ''; 2599: my $statustag = ''; 2600: my $sectag = ''; 2601: my $grptag = ''; 2602: my $userpicktag = ''; 2603: my $qrystr = ''; 2604: my $prevtag = ''; 2605: 2606: &Apache::loncommon::content_type($r,'text/html'); 2607: $r->send_http_header; 2608: &dewrapper(\$feedurl); 2609: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2610: if ($previous > 0) { 2611: $qrystr = 'previous='.$previous; 2612: if ($feedurl =~ /\?register=1/) { 2613: $feedurl .= '&'.$qrystr; 2614: } else { 2615: $feedurl .= '?'.$qrystr; 2616: } 2617: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2618: } 2619: if (defined($sort)) { 2620: my $sortqry = 'sortposts='.$sort; 2621: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2622: $feedurl .= '&'.$sortqry; 2623: } else { 2624: $feedurl .= '?'.$sortqry; 2625: } 2626: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2627: if (defined($numpicks)) { 2628: my $userpickqry = 'totposters='.$numpicks; 2629: $feedurl .= '&'.$userpickqry; 2630: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2631: } else { 2632: if (ref($sectionpick) eq 'ARRAY') { 2633: $feedurl .= '&sectionpick='; 2634: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2635: foreach my $sec (@{$sectionpick}) { 2636: $feedurl .= $sec.','; 2637: $sectag .= $sec.','; 2638: } 2639: $feedurl =~ s/,$//; 2640: $sectag =~ s/,$//; 2641: $sectag .= '" />'; 2642: } else { 2643: $feedurl .= '&sectionpick='.$sectionpick; 2644: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2645: } 2646: if (ref($grouppick) eq 'ARRAY') { 2647: $feedurl .= '&grouppick='; 2648: $sectag .= '<input type="hidden" name="grouppick" value="'; 2649: foreach my $grp (@{$grouppick}) { 2650: $feedurl .= $grp.','; 2651: $grptag .= $grp.','; 2652: } 2653: $feedurl =~ s/,$//; 2654: $grptag =~ s/,$//; 2655: $grptag .= '" />'; 2656: } else { 2657: $feedurl .= '&grouppick='.$grouppick; 2658: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2659: } 2660: if (ref($rolefilter) eq 'ARRAY') { 2661: $feedurl .= '&rolefilter='; 2662: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2663: foreach my $role (@{$rolefilter}) { 2664: $feedurl .= $role.','; 2665: $roletag .= $role.','; 2666: } 2667: $feedurl =~ s/,$//; 2668: $roletag =~ s/,$//; 2669: $roletag .= '" />'; 2670: } else { 2671: $feedurl .= '&rolefilter='.$rolefilter; 2672: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2673: } 2674: $feedurl .= '&statusfilter='.$statusfilter; 2675: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2676: } 2677: } 2678: my $grouptag; 2679: if ($group ne '') { 2680: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2681: my $refarg; 2682: if (exists($env{'form.ref'})) { 2683: $refarg = '&ref='.$env{'form.ref'}; 2684: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2685: } 2686: if ($feedurl =~ /\?/) { 2687: $feedurl .= '&group='.$group.$refarg; 2688: } else { 2689: $feedurl .= '?group='.$group.$refarg; 2690: } 2691: } 2692: &Apache::lonenc::check_encrypt(\$feedurl); 2693: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2694: my %onload; 2695: if ($env{'environment.remote'} ne 'off') { 2696: $onload{'onload'} = 2697: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2698: } 2699: my $start_page= 2700: &Apache::loncommon::start_page('Feedback sent',undef, 2701: {'redirect' => [0,$feedurl], 2702: 'only_body' => 1, 2703: 'add_entries' => \%onload}); 2704: my $end_page = &Apache::loncommon::end_page(); 2705: $r->print(<<ENDREDIR); 2706: $start_page 2707: <img align="right" src="$logo" /> 2708: $typestyle 2709: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2710: $blog 2711: $toolarge 2712: <font color="red">$status</font> 2713: <form name="reldt" action="$feedurl" target="loncapaclient"> 2714: $prevtag 2715: $sorttag 2716: $statustag 2717: $roletag 2718: $sectag 2719: $grptag 2720: $userpicktag 2721: $grouptag 2722: </form> 2723: $end_page 2724: ENDREDIR 2725: } 2726: 2727: sub no_redirect_back { 2728: my ($r,$feedurl) = @_; 2729: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2730: 2731: my %onload; 2732: if ($env{'environment.remote'} ne 'off') { 2733: $onload{'onload'} = 2734: "if (window.name!='loncapaclient') { self.window.close(); }"; 2735: } 2736: 2737: my %body_options = ('only_body' => 1, 2738: 'bgcolor' => '#FFFFFF', 2739: 'add_entries' => \%onload,); 2740: 2741: if ($feedurl !~ m{^/adm/feedback}) { 2742: $body_options{'rediect'} = [2,$feedurl]; 2743: } 2744: my $start_page= 2745: &Apache::loncommon::start_page('Feedback not sent',undef, 2746: \%body_options); 2747: 2748: my $end_page = &Apache::loncommon::end_page(); 2749: 2750: &Apache::lonenc::check_encrypt(\$feedurl); 2751: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2752: $r->print (<<ENDNOREDIRTWO); 2753: $start_page 2754: <img align="right" src="$logo" /> 2755: <b>$nofeed</b> 2756: <br /> 2757: $end_page 2758: ENDNOREDIRTWO 2759: } 2760: 2761: sub screen_header { 2762: my ($feedurl,$symb,$group) = @_; 2763: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2764: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2765: my $contribdisc = &mt('Contribution to course discussion of resource'); 2766: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2767: my $namevis = &mt('name only visible to course faculty'); 2768: my $crstype; 2769: if ($env{'request.course.id'}) { 2770: $crstype = &Apache::loncommon::course_type(); 2771: if ($crstype eq 'Community') { 2772: $crscontent = &mt('Question/Comment/Feedback about community content'); 2773: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2774: $contribdisc = &mt('Contribution to community discussion of resource'); 2775: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2776: $namevis = &mt('name only visible to community facilitators'); 2777: } 2778: } 2779: my $msgoptions=''; 2780: my $discussoptions=''; 2781: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2782: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2783: $msgoptions= 2784: '<p><label><input type="radio" name="discuss" value="author" /> '. 2785: &mt('Feedback to resource author').'</label></p>'; 2786: } 2787: my %optionhash=(); 2788: foreach my $type ('question','comment','policy') { 2789: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2790: } 2791: if (&feedback_available(1)) { 2792: $msgoptions.= 2793: '<p><label><input type="radio" name="discuss" value="question" /> '. 2794: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2795: } 2796: if (&feedback_available(0,1)) { 2797: $msgoptions.= 2798: '<p><label><input type="radio" name="discuss" value="course" /> '. 2799: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2800: '</label></p>'; 2801: } 2802: if (&feedback_available(0,0,1)) { 2803: $msgoptions.= 2804: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2805: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2806: '</label></p>'; 2807: } 2808: } 2809: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2810: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2811: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2812: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2813: my $realsymb = $symb; 2814: if ($symb=~/^bulletin___/) { 2815: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2816: $filename=~s|^adm/wrapper/||; 2817: $realsymb=&Apache::lonnet::symbread($filename); 2818: } 2819: if (!$blocked && &discussion_open(undef,$realsymb) && 2820: (&Apache::lonnet::allowed('pch', 2821: $env{'request.course.id'}. 2822: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2823: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2824: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2825: $contribdisc. 2826: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2827: $anoncontrib. 2828: ' <i>('.$namevis.')</i></label> '. 2829: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2830: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2831: if (!$blockblog) { 2832: $discussoptions.= &add_blog_checkbox($crstype); 2833: } 2834: } 2835: } 2836: if ($msgoptions) { 2837: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2838: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2839: .$msgoptions; 2840: } 2841: if ($discussoptions) { 2842: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2843: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2844: .$discussoptions; 2845: } 2846: return $msgoptions.$discussoptions; 2847: } 2848: 2849: sub resource_output { 2850: my ($feedurl) = @_; 2851: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2852: $usersaw=~s/\<body[^\>]*\>//gi; 2853: $usersaw=~s/\<\/body\>//gi; 2854: $usersaw=~s/\<html\>//gi; 2855: $usersaw=~s/\<\/html\>//gi; 2856: $usersaw=~s/\<head\>//gi; 2857: $usersaw=~s/\<\/head\>//gi; 2858: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2859: return $usersaw; 2860: } 2861: 2862: sub clear_out_html { 2863: my ($message,$override)=@_; 2864: # Always allow the <m>-tag 2865: my %html=(M=>1); 2866: # Check if more is allowed 2867: my $cid=$env{'request.course.id'}; 2868: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2869: ($override)) { 2870: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2871: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2872: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2873: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2874: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2875: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2876: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2877: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2878: } 2879: # Do the substitution of everything that is not explicitly allowed 2880: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2881: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2882: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2883: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2884: return $message; 2885: } 2886: 2887: sub assemble_email { 2888: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2889: my %lt = &Apache::lonlocal::texthash( 2890: 'prev' => 'Previous attempts of student (if applicable)', 2891: 'orig' => 'Original screen output (if applicable)', 2892: 'corr' => 'Correct Answer(s) (if applicable)', 2893: ); 2894: if (&Apache::loncommon::course_type() eq 'Community') { 2895: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2896: } 2897: my $email=<<"ENDEMAIL"; 2898: $message 2899: ENDEMAIL 2900: my $citations=<<"ENDCITE"; 2901: <h2>$lt{'prev'}</h2> 2902: $prevattempts 2903: <br /><hr /> 2904: <h2>$lt{'orig'}</h2> 2905: $usersaw 2906: <h2>$lt{'corr'}</h2> 2907: $useranswer 2908: ENDCITE 2909: return ($email,$citations); 2910: } 2911: 2912: 2913: sub feedback_available { 2914: my ($question,$course,$policy)=@_; 2915: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2916: $course,$policy); 2917: return scalar(%to); 2918: } 2919: 2920: sub send_msg { 2921: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2922: my $status=''; 2923: my $sendsomething=0; 2924: my $restitle = &get_resource_title($symb,$feedurl); 2925: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2926: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2927: foreach my $key (keys(%to)) { 2928: if ($key) { 2929: my ($user,$domain) = split(/\:/,$key,2); 2930: if (!defined($user)) { 2931: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2932: } elsif (!defined($domain)) { 2933: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2934: } else { 2935: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2936: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2937: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2938: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2939: } else { 2940: $sendsomething++; 2941: } 2942: } 2943: } 2944: } 2945: 2946: 2947: my %record=&Apache::lonnet::restore('_feedback'); 2948: my ($temp)=keys(%record); 2949: unless ($temp=~/^error\:/) { 2950: my %newrecord=(); 2951: $newrecord{'resource'}=$feedurl; 2952: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2953: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2954: $status.='<br />'.&mt('Not registered').'<br />'; 2955: } 2956: } 2957: 2958: return ($status,$sendsomething); 2959: } 2960: 2961: # Store feedback "likes" 2962: 2963: sub storefeedbacklikes { 2964: my ($likes,$uname,$udom,$course)=@_; 2965: unless ($likes) { $likes=0; } 2966: if ($likes>0) { $likes=1; } 2967: if ($likes<0) { $likes=-1; } 2968: unless ($uname) { $uname=$env{'user.name'}; } 2969: unless ($udom) { $udom=$env{'user.domain'}; } 2970: unless ($course) { $course=$env{'request.course.id'}; } 2971: my %record=&getfeedbackrecords($uname,$udom,$course); 2972: my $totallikes=$record{'totallikes'}; 2973: $totallikes+=$likes; 2974: my %newrecord=('likes_user' => $env{'user.name'}, 2975: 'likes_domain' => $env{'user.domain'}, 2976: 'likes' => $likes, 2977: 'totallikes' => $totallikes); 2978: return &Apache::lonnet::cstore(\%newrecord,'_feedback',$course,$udom,$uname); 2979: } 2980: 2981: sub adddiscuss { 2982: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2983: my $status=''; 2984: my $realsymb; 2985: if ($symb=~/^bulletin___/) { 2986: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2987: $filename=~s|^adm/wrapper/||; 2988: $realsymb=&Apache::lonnet::symbread($filename); 2989: } 2990: my ($cnum,$cdom); 2991: if ($env{'request.course.id'}) { 2992: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2993: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2994: } 2995: if (&discussion_open(undef,$realsymb) && 2996: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2997: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2998: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2999: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 3000: 3001: my %contrib=('message' => $email, 3002: 'sendername' => $env{'user.name'}, 3003: 'senderdomain' => $env{'user.domain'}, 3004: 'screenname' => $env{'environment.screenname'}, 3005: 'plainname' => $env{'environment.firstname'}.' '. 3006: $env{'environment.middlename'}.' '. 3007: $env{'environment.lastname'}.' '. 3008: $env{'enrironment.generation'}, 3009: 'attachmenturl'=> $attachmenturl, 3010: 'subject' => $subject); 3011: if ($env{'form.replydisc'}) { 3012: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 3013: } 3014: if ($anon) { 3015: $contrib{'anonymous'}='true'; 3016: } 3017: if (($symb) && ($email)) { 3018: my $now = time; 3019: if ($env{'form.editdisc'}) { 3020: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 3021: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 3022: $contrib{'timestamp'} = $now; 3023: $contrib{'history'} = ''; 3024: my $numoldver = 0; 3025: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 3026: &Apache::lonenc::check_decrypt(\$oldsymb); 3027: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3028: # get timestamp for last post and history 3029: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 3030: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3031: $env{'course.'.$env{'request.course.id'}.'.num'}); 3032: if (defined($oldcontrib{$oldidx.':replyto'})) { 3033: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 3034: } 3035: if (defined($oldcontrib{$oldidx.':history'})) { 3036: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 3037: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 3038: $numoldver = @oldversions; 3039: } else { 3040: $numoldver = 1; 3041: } 3042: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 3043: } 3044: my $numnewver = $numoldver + 1; 3045: if (defined($oldcontrib{$oldidx.':subject'})) { 3046: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 3047: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3048: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 3049: } else { 3050: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3051: } 3052: } 3053: if (defined($oldcontrib{$oldidx.':message'})) { 3054: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 3055: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3056: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 3057: } else { 3058: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3059: } 3060: } 3061: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 3062: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 3063: $oldsymb,$oldidx,\%contrib, 3064: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3065: $env{'course.'.$env{'request.course.id'}.'.num'}); 3066: $status='Editing class discussion'.($anon?' (anonymous)':''); 3067: } else { 3068: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 3069: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 3070: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3071: $env{'course.'.$env{'request.course.id'}.'.num'}); 3072: } 3073: my %storenewentry=($symb => $now); 3074: $status.='<br />'.&mt('Updating discussion time').': '. 3075: &Apache::lonnet::put('discussiontimes',\%storenewentry, 3076: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3077: $env{'course.'.$env{'request.course.id'}.'.num'}); 3078: } 3079: my %record=&getdiscussionrecords(); 3080: my ($temp)=keys(%record); 3081: unless ($temp=~/^error\:/) { 3082: my %newrecord=(); 3083: $newrecord{'resource'}=$symb; 3084: $newrecord{'subnumber'}=$record{'subnumber'}+1; 3085: $status.='<br />'.&mt('Registering').': '. 3086: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3087: } 3088: } else { 3089: $status.='Failed.'; 3090: } 3091: return $status.'<br />'; 3092: } 3093: 3094: # Routine to get the complete discussion records 3095: 3096: sub getdiscussionrecords { 3097: my ($uname,$udom,$course)=@_; 3098: unless ($uname) { $uname=$env{'user.name'}; } 3099: unless ($udom) { $udom=$env{'user.domain'}; } 3100: unless ($course) { $course=$env{'request.course.id'}; } 3101: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname); 3102: return %record; 3103: } 3104: 3105: # Store discussion "likes" 3106: 3107: sub storediscussionlikes { 3108: my ($likes,$uname,$udom,$course)=@_; 3109: unless ($likes) { $likes=0; } 3110: if ($likes>0) { $likes=1; } 3111: if ($likes<0) { $likes=-1; } 3112: unless ($uname) { $uname=$env{'user.name'}; } 3113: unless ($udom) { $udom=$env{'user.domain'}; } 3114: unless ($course) { $course=$env{'request.course.id'}; } 3115: my %record=&getdiscussionrecords($uname,$udom,$course); 3116: my $totallikes=$record{'totallikes'}; 3117: my $totalvotes=$record{'totalvotes'}; 3118: $totallikes+=$likes; 3119: $totalvotes++; 3120: my %newrecord=('likes_user' => $env{'user.name'}, 3121: 'likes_domain' => $env{'user.domain'}, 3122: 'likes' => $likes, 3123: 'totallikes' => $totallikes, 3124: 'totalvotes' => $totalvotes); 3125: my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname); 3126: return $status; 3127: } 3128: 3129: sub get_discussion_info { 3130: my ($idx,%contrib) = @_; 3131: my $changelast = 0; 3132: my $count = 0; 3133: my $hiddenflag = 0; 3134: my $deletedflag = 0; 3135: my ($hidden,$deleted,%info,$newlastdisc); 3136: my $version = $contrib{'version'}; 3137: if ($version) { 3138: for (my $id=$version; $id>0; $id--) { 3139: my $vkeys=$contrib{$id.':keys'}; 3140: my @keys=split(/:/,$vkeys); 3141: if (grep(/^hidden$/,@keys)) { 3142: if (!$hiddenflag) { 3143: $hidden = $contrib{$id.':hidden'}; 3144: $hiddenflag = 1; 3145: } 3146: } elsif (grep(/^deleted$/,@keys)) { 3147: if (!$deletedflag) { 3148: $deleted = $contrib{$id.':deleted'}; 3149: $deletedflag = 1; 3150: } 3151: } else { 3152: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 3153: $count++; 3154: $info{$count}{'id'} = $id; 3155: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 3156: } 3157: } 3158: } 3159: if ($info{'1'}{'id'} == $idx) { 3160: $changelast = 1; 3161: if ($count > 1) { 3162: $newlastdisc = $info{'2'}{'timestamp'}; 3163: } else { 3164: $newlastdisc = 0; 3165: } 3166: } 3167: } 3168: return ($changelast,$newlastdisc); 3169: } 3170: 3171: # ----------------------------------------------------------- Preview function 3172: 3173: sub show_preview { 3174: my ($r) = @_; 3175: &Apache::loncommon::content_type($r,'text/html'); 3176: $r->send_http_header; 3177: my $start_page= 3178: &Apache::loncommon::start_page('Preview',undef, 3179: {'only_body' => 1,}); 3180: 3181: my $message=&clear_out_html($env{'form.comment'}); 3182: &newline_to_br(\$message); 3183: $message=&Apache::lonspeller::markeduptext($message); 3184: $message=&Apache::lontexconvert::msgtexconverted($message); 3185: my $subject=&clear_out_html($env{'form.subject'}); 3186: $subject=~s/\n/\<br \/\>/g; 3187: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3188: 3189: my $end_page = &Apache::loncommon::end_page(); 3190: 3191: $r->print($start_page 3192: .'<h1>'.&mt('Preview').'</h1>' 3193: .&Apache::lonhtmlcommon::start_pick_box() 3194: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3195: .$subject 3196: .&Apache::lonhtmlcommon::row_closure() 3197: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3198: .$message 3199: .&Apache::lonhtmlcommon::row_closure(1) 3200: .&Apache::lonhtmlcommon::end_pick_box() 3201: .$end_page 3202: ); 3203: } 3204: 3205: sub contains_block_html { 3206: my ($message)=@_; 3207: return ($message =~ m{ 3208: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3209: \s* 3210: (\w+\=['"]\w+['"])* 3211: \s* 3212: ( 3213: \s*/>| 3214: >.*</\1\s*> 3215: )}xs 3216: ); 3217: } 3218: 3219: sub tidy_html { 3220: my ($message)=@_; 3221: # my $tidy = HTML::Tidy::libXML->new(); 3222: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3223: # $xhtml =~ m/<body>(.*)<\/body>/is; 3224: # my $clean = $1; 3225: # # remove any empty block-level tags 3226: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3227: # $message=$clean; 3228: return $message; 3229: } 3230: 3231: sub newline_to_br { 3232: my ($message)=@_; 3233: my $newmessage; 3234: my $parser=HTML::LCParser->new($message); 3235: while (my $token=$parser->get_token()) { 3236: if ($token->[0] eq 'T') { 3237: my $text=$token->[1]; 3238: $text=~s/\n/\<br \/\>/g; 3239: $newmessage.=$text; 3240: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3241: $newmessage.=$token->[1]; 3242: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3243: $newmessage.=$token->[2]; 3244: } elsif ($token->[0] eq 'S') { 3245: $newmessage.=$token->[4]; 3246: } 3247: 3248: } 3249: $$message=$newmessage; 3250: } 3251: 3252: sub generate_preview_button { 3253: my ($formname,$fieldname)=@_; 3254: unless ($formname) { $formname='mailform'; } 3255: unless ($fieldname) { $fieldname='comment'; } 3256: my $pre=&mt("Show Preview and Check Spelling"); 3257: return(<<ENDPREVIEW); 3258: <br /> 3259: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3260: <input type="hidden" name="subject" /> 3261: <input type="hidden" name="comment" /> 3262: <input type="button" value="$pre" 3263: 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();" /> 3264: </form> 3265: ENDPREVIEW 3266: } 3267: 3268: sub modify_attachments { 3269: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3270: $attachmaxtext,$toolarge)=@_; 3271: 3272: my %lt = &Apache::lonlocal::texthash( 3273: 'subj' => 'Subject', 3274: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3275: 'chth' => 'Check the checkboxes for any you wish to remove.', 3276: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3277: 'adda' => 'Add a new attachment to this post.', 3278: 'stch' => 'Save Changes', 3279: ); 3280: my $js = <<END; 3281: <script type="text/javascript"> 3282: function setAction () { 3283: document.modattachments.action = document.modattachments.origpage.value; 3284: document.modattachments.submit(); 3285: } 3286: </script> 3287: END 3288: 3289: # Breadcrumbs 3290: my $brcrum = [{'href' => '', 3291: 'text' => 'Discussion Post Attachments'}]; 3292: my $start_page = 3293: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3294: {'bread_crumbs' => $brcrum,}); 3295: 3296: my $orig_subject = &unescape($env{'form.subject'}); 3297: my $subject=&clear_out_html($orig_subject); 3298: $subject=~s/\n/\<br \/\>/g; 3299: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3300: my $timestamp=$env{'form.timestamp'}; 3301: my $numoldver=$env{'form.numoldver'}; 3302: 3303: my $msg = ''; 3304: my %attachments = (); 3305: my %currattach = (); 3306: if ($idx) { 3307: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3308: } 3309: &Apache::lonenc::check_encrypt(\$symb); 3310: 3311: my $end_page = 3312: &Apache::loncommon::end_page(); 3313: 3314: $r->print(<<END); 3315: $start_page 3316: $toolarge 3317: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3318: <br /> 3319: <table class="LC_data_table"> 3320: <tr> 3321: <td colspan="2"> 3322: <b>Subject:</b> <b>$subject</b><br /><br /> 3323: END 3324: if ($idx) { 3325: if ($attachmenturls) { 3326: my @currold = keys(%currattach); 3327: if (@currold > 0) { 3328: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3329: foreach my $id (@currold) { 3330: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3331: $attachurl =~ m#/([^/]+)$#; 3332: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3333: } 3334: $r->print("<br />"); 3335: } 3336: } 3337: } 3338: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3339: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3340: foreach my $attach (@{$currnewattach}) { 3341: $attach =~ m#/([^/]+)$#; 3342: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3343: } 3344: $r->print("<br />"); 3345: } 3346: $r->print(<<END); 3347: </td></tr> 3348: <tr> 3349: <td> 3350: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3351: </td> 3352: </tr> 3353: <tr> 3354: <td colspan="2">$attachmaxtext</td> 3355: </tr> 3356: </table> 3357: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3358: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3359: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3360: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3361: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3362: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3363: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3364: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3365: END 3366: foreach my $item (@{$currnewattach}) { 3367: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3368: } 3369: foreach my $item (@{$currdelold}) { 3370: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3371: } 3372: $r->print(<<END); 3373: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3374: </form> 3375: $end_page 3376: END 3377: return; 3378: } 3379: 3380: sub process_attachments { 3381: my ($currnewattach,$currdelold,$keepold) = @_; 3382: 3383: @{$currnewattach}= 3384: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3385: @{$currdelold}= 3386: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3387: if (exists($env{'form.delnewattach'})) { 3388: my @currdelnew = 3389: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3390: my @currnew = (); 3391: foreach my $newone (@{$currnewattach}) { 3392: my $delflag = 0; 3393: foreach my $item (@currdelnew) { 3394: if ($newone eq $item) { 3395: $delflag = 1; 3396: last; 3397: } 3398: } 3399: unless ($delflag) { 3400: push(@currnew, $newone); 3401: } 3402: } 3403: @{$currnewattach} = @currnew; 3404: } 3405: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3406: } 3407: 3408: sub generate_attachments_button { 3409: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3410: $numoldver,$mode,$blockblog) = @_; 3411: my $origpage = $ENV{'REQUEST_URI'}; 3412: my $att=$attachnum.' '.&mt("attachments"); 3413: my %lt = &Apache::lonlocal::texthash( 3414: 'clic' => 'Click to add/remove attachments', 3415: ); 3416: my $response = (<<END); 3417: <br /> 3418: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3419: $lt{'clic'}: <input type="button" value="$att" 3420: 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); 3421: END 3422: if (!$blockblog) { 3423: $response .= 'setblogvalue();'; 3424: } 3425: unless ($mode eq 'board') { 3426: $response .= 'javascript:anonchk();'; 3427: } 3428: $response .= (<<ENDATTACH); 3429: this.form.submit();" /> 3430: <input type="hidden" name="origpage" value="$origpage" /> 3431: <input type="hidden" name="idx" value="$idx" /> 3432: <input type="hidden" name="timestamp" value="$now" /> 3433: <input type="hidden" name="subject" /> 3434: <input type="hidden" name="comment" /> 3435: <input type="hidden" name="blog" value="0" /> 3436: <input type="hidden" name="discuss" value="0" /> 3437: <input type="hidden" name="numoldver" value="$numoldver" /> 3438: ENDATTACH 3439: if (defined($deloldattach)) { 3440: if (@{$deloldattach} > 0) { 3441: foreach my $delatt (@{$deloldattach}) { 3442: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3443: } 3444: } 3445: } 3446: if (defined($currnewattach)) { 3447: if (@{$currnewattach} > 0) { 3448: foreach my $attach (@{$currnewattach}) { 3449: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3450: } 3451: } 3452: } 3453: $response .= '</form>'; 3454: return $response; 3455: } 3456: 3457: sub extract_attachments { 3458: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3459: %{$attachments}=(); 3460: &get_post_attachments($attachments,$attachmenturls); 3461: foreach my $id (sort(keys(%{$attachments}))) { 3462: if (exists($$attachments{$id}{$numoldver})) { 3463: if (defined($currdelold)) { 3464: if (@{$currdelold} > 0) { 3465: unless (grep/^$id$/,@{$currdelold}) { 3466: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3467: } 3468: } else { 3469: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3470: } 3471: } else { 3472: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3473: } 3474: } 3475: } 3476: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3477: if (@attached == 1) { 3478: my $id = $attached[0]; 3479: my $attachurl; 3480: if ($attachmenturls =~ m/^<attachment id="0">/) { 3481: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3482: } else { 3483: $attachurl = $$attachments{$id}{'filename'}; 3484: } 3485: $attachurl=~m|/([^/]+)$|; 3486: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3487: $1.'</tt></a><br />'; 3488: &Apache::lonnet::allowuploaded('/adm/feedback', 3489: $attachurl); 3490: } elsif (@attached > 1) { 3491: $$message.='<ol>'; 3492: foreach my $attach (@attached) { 3493: my $id = $attach; 3494: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3495: my ($fname) 3496: =($attachurl=~m|/([^/]+)$|); 3497: $$message .= '<li><a href="'.$attachurl. 3498: '"><tt>'. 3499: $fname.'</tt></a></li>'; 3500: &Apache::lonnet::allowuploaded('/adm/feedback', 3501: $attachurl); 3502: } 3503: $$message .= '</ol>'; 3504: } 3505: } 3506: 3507: sub construct_attachmenturl { 3508: my ($currnewattach,$keepold,$symb,$idx)=@_; 3509: my $oldattachmenturl; 3510: my $newattachmenturl; 3511: my $startnum = 0; 3512: my $currver = 0; 3513: if (($env{'form.editdisc'}) && ($idx)) { 3514: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3515: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3516: $env{'course.'.$env{'request.course.id'}.'.num'}); 3517: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3518: if ($contrib{$idx.':history'}) { 3519: if ($contrib{$idx.':history'} =~ /:/) { 3520: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3521: $currver = 1 + scalar(@oldversions); 3522: } else { 3523: $currver = 2; 3524: } 3525: } else { 3526: $currver = 1; 3527: } 3528: if ($oldattachmenturl) { 3529: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3530: my %attachments = (); 3531: my $prevver = $currver-1; 3532: &get_post_attachments(\%attachments,$oldattachmenturl); 3533: my $numattach = scalar(keys(%attachments)); 3534: $startnum += $numattach; 3535: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3536: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3537: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3538: unless ($item eq 'filename') { 3539: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3540: } 3541: } 3542: if (grep/^$num$/,@{$keepold}) { 3543: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3544: } 3545: $newattachmenturl .= '</attachment>'; 3546: } 3547: } else { 3548: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3549: unless (grep/^0$/,@{$keepold}) { 3550: $newattachmenturl .= '<post id="1">n</post>'; 3551: } 3552: $newattachmenturl .= '</attachment>'; 3553: $startnum ++; 3554: } 3555: } 3556: } 3557: for (my $i=0; $i<@{$currnewattach}; $i++) { 3558: my $attachnum = $startnum + $i; 3559: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3560: } 3561: return $newattachmenturl; 3562: } 3563: 3564: sub add_blog_checkbox { 3565: my ($crstype) = @_; 3566: my $checkstatus; 3567: if ($env{'form.blog'}) { 3568: $checkstatus = 'checked="checked"'; 3569: } 3570: my $output = ' 3571: <script type="text/javascript"> 3572: function setblogvalue() { 3573: if (document.mailform.blog.checked) { 3574: document.attachment.blog.value = 1; 3575: } else { 3576: document.attachment.blog.value = 0; 3577: } 3578: } 3579: </script><br /> 3580: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3581: if ($crstype eq 'Community') { 3582: $output .= &mt('Add to my public community blog'); 3583: } else { 3584: $output .= &mt('Add to my public course blog'); 3585: } 3586: $output .= '</label><br />'."\n"; 3587: return $output; 3588: } 3589: 3590: sub has_discussion { 3591: my $resourcesref = shift; 3592: my $navmap = Apache::lonnavmaps::navmap->new(); 3593: if (defined($navmap)) { 3594: my @allres=$navmap->retrieveResources(); 3595: foreach my $resource (@allres) { 3596: if ($resource->hasDiscussion()) { 3597: my $ressymb = $resource->wrap_symb(); 3598: if (ref($resourcesref) eq 'ARRAY') { 3599: push(@{$resourcesref}, $ressymb); 3600: } 3601: } 3602: } 3603: } else { 3604: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3605: } 3606: return; 3607: } 3608: 3609: sub sort_filter_names { 3610: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3611: if (ref($sort_types) eq 'HASH') { 3612: %{$sort_types} = ( 3613: ascdate => 'Date order - oldest first', 3614: descdate => 'Date order - newest first', 3615: thread => 'Threaded', 3616: subject => 'By subject', 3617: username => 'By domain and username', 3618: lastfirst => 'By last name, first name' 3619: ); 3620: } 3621: my @courseroles = qw(st in ta ep ad); 3622: if ($crstype eq 'Community') { 3623: push(@courseroles,'co'); 3624: } else { 3625: push(@courseroles,'cc'); 3626: } 3627: if (ref($role_types) eq 'HASH') { 3628: foreach my $role (@courseroles) { 3629: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3630: } 3631: $role_types->{'all'} = 'All roles'; 3632: $role_types->{'cr'} = 'Custom role'; 3633: } 3634: if (ref($status_types) eq 'HASH') { 3635: %{$status_types} = ( 3636: all => 'Roles of any status', 3637: Active => 'Only active roles', 3638: Expired => 'Only past roles', 3639: Future => 'Only future roles', 3640: ); 3641: } 3642: } 3643: 3644: sub handler { 3645: my $r = shift; 3646: if ($r->header_only) { 3647: &Apache::loncommon::content_type($r,'text/html'); 3648: $r->send_http_header; 3649: return OK; 3650: } 3651: 3652: # --------------------------- Get query string for limited number of parameters 3653: 3654: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3655: ['like','unlike','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']); 3656: my $group = $env{'form.group'}; 3657: my %attachmax = ( 3658: text => &mt('(128 KB max size)'), 3659: num => 131072, 3660: ); 3661: if ($env{'form.editdisc'}) { 3662: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3663: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3664: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3665: my $feedurl=&Apache::lonnet::clutter($url); 3666: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3667: undef,undef,undef,$group); 3668: return OK; 3669: } 3670: } 3671: if ($env{'form.discsymb'}) { 3672: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3673: my $readkey = $symb.'_read'; 3674: my $chgcount = 0; 3675: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3676: foreach my $key (keys(%env)) { 3677: if ($key =~ m/^form\.postunread_(\d+)/) { 3678: if ($readinghash{$readkey} =~ /\.$1\./) { 3679: $readinghash{$readkey} =~ s/\.$1\.//; 3680: $chgcount ++; 3681: } 3682: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3683: unless ($readinghash{$readkey} =~ /\.$1\./) { 3684: $readinghash{$readkey} .= '.'.$1.'.'; 3685: $chgcount ++; 3686: } 3687: } 3688: } 3689: if ($chgcount > 0) { 3690: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3691: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3692: } 3693: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3694: '0','0','','',$env{'form.previous'},'','','', 3695: undef,undef,undef,$group); 3696: return OK; 3697: } 3698: if ($env{'form.allversions'}) { 3699: &Apache::loncommon::content_type($r,'text/html'); 3700: &Apache::loncommon::no_cache($r); 3701: $r->send_http_header; 3702: 3703: # Breadcrumbs 3704: my $brcrum = [{'href' => '', 3705: 'text' => 'Discussion Post Versions'}]; 3706: 3707: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3708: {'bread_crumbs' => $brcrum,}) 3709: ); 3710: 3711: my $crs='/'.$env{'request.course.id'}; 3712: if ($env{'request.course.sec'}) { 3713: $crs.='_'.$env{'request.course.sec'}; 3714: } 3715: $crs=~s|_|/|g; 3716: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3717: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3718: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3719: ($symb)=&get_feedurl_and_clean_symb($symb); 3720: my $ressymb = &wrap_symb($symb); 3721: my $group = $env{'form.group'}; 3722: my $seeid; 3723: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3724: if (&check_group_priv($group,'dgp') eq 'ok') { 3725: $seeid = 1; 3726: } 3727: } else { 3728: $seeid = &Apache::lonnet::allowed('rin',$crs); 3729: } 3730: if ($idx > 0) { 3731: my %messages = (); 3732: my %subjects = (); 3733: my %attachmsgs = (); 3734: my %allattachments = (); 3735: my %imsfiles = (); 3736: my ($screenname,$plainname,$showaboutme); 3737: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3738: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3739: $env{'course.'.$env{'request.course.id'}.'.num'}); 3740: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname,\$showaboutme)); 3741: } 3742: $r->print(&Apache::loncommon::end_page()); 3743: return OK; 3744: } 3745: if ($env{'form.posterlist'}) { 3746: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3747: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3748: $env{'form.sortposts'}); 3749: return OK; 3750: } 3751: if ($env{'form.userpick'}) { 3752: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3753: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3754: my $numpicks = @posters; 3755: my %discinfo; 3756: $discinfo{$symb.'_userpick'} = join('&',@posters); 3757: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3758: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3759: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3760: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3761: '',$numpicks,$group); 3762: return OK; 3763: } 3764: if ($env{'form.applysort'}) { 3765: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3766: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3767: '',$env{'form.previous'},$env{'form.sortposts'}, 3768: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3769: $env{'form.sectionpick'},$env{'form.grouppick'}, 3770: undef,$group); 3771: return OK; 3772: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3773: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3774: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3775: return OK; 3776: } elsif ($env{'form.navtime'}) { 3777: my %discinfo = (); 3778: my @resources = (); 3779: if (defined($env{'form.navmaps'})) { 3780: if ($env{'form.navmaps'} =~ /:/) { 3781: @resources = split(/:/,$env{'form.navmaps'}); 3782: } else { 3783: @resources = ("$env{'form.navmaps'}"); 3784: } 3785: } else { 3786: &has_discussion(\@resources); 3787: } 3788: my $numitems = @resources; 3789: my $feedurl = '/adm/navmaps'; 3790: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3791: my %lt = &Apache::lonlocal::texthash( 3792: 'mnpa' => 'Marked "New" posts as read in a total of', 3793: 'robb' => 'resources/bulletin boards.', 3794: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3795: ); 3796: foreach my $res (@resources) { 3797: my $ressymb=$res; 3798: &Apache::lonenc::check_decrypt(\$ressymb); 3799: my $lastkey = $ressymb.'_lastread'; 3800: $discinfo{$lastkey} = $env{'form.navtime'}; 3801: } 3802: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3803: if ($numitems > 0) { 3804: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3805: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3806: } else { 3807: $textline = "<b>$lt{'twnp'}</b>"; 3808: } 3809: &Apache::loncommon::content_type($r,'text/html'); 3810: $r->send_http_header; 3811: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3812: my %onload; 3813: if ($env{'environment.remote'} ne 'off') { 3814: $onload{'onload'} = 3815: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3816: } 3817: 3818: my $start_page= 3819: &Apache::loncommon::start_page('New posts marked as read',undef, 3820: {'redirect' => [2,$feedurl], 3821: 'only_body' => 1, 3822: 'add_entries' => \%onload}); 3823: my $end_page = &Apache::loncommon::end_page(); 3824: $r->print (<<ENDREDIR); 3825: $start_page 3826: <img align="right" src="$logo" /> 3827: $textline 3828: <form name="reldt" action="$feedurl" target="loncapaclient"> 3829: </form> 3830: <br /> 3831: $end_page 3832: ENDREDIR 3833: return OK; 3834: } elsif ($env{'form.modifydisp'}) { 3835: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3836: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3837: split(/_/,$env{'form.changes'}); 3838: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3839: $dispchgB,$markchg,$toggchg,$feedurl); 3840: return OK; 3841: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3842: $env{'form.allposts'} || $env{'form.onlyunread'} || 3843: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3844: $env{'form.toggon'} || $env{'form.markread'}) { 3845: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3846: my %discinfo; 3847: # ------------------------ Modify setting for read/unread toggle for each post 3848: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3849: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3850: # --------- Modify setting for identification of 'NEW' posts in this discussion 3851: if ($env{'form.markondisp'}) { 3852: $discinfo{$symb.'_lastread'} = time; 3853: $discinfo{$symb.'_markondisp'} = 1; 3854: } 3855: if ($env{'form.markonread'}) { 3856: if ( $env{'form.previous'} > 0 ) { 3857: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3858: } 3859: $discinfo{$symb.'_markondisp'} = 0; 3860: } 3861: # --------------------------------- Modify display setting for this discussion 3862: if ($env{'form.allposts'}) { 3863: $discinfo{$symb.'_showonlyunread'} = 0; 3864: $discinfo{$symb.'_showonlyunmark'} = 0; 3865: } 3866: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3867: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3868: # ----------------------------------------------------- Mark new posts not NEW 3869: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3870: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3871: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3872: my $previous=$env{'form.previous'}; 3873: if ($env{'form.markondisp'}) { $previous=undef; } 3874: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3875: '0','0','','',$previous,'','','','','','',$group); 3876: return OK; 3877: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3878: # ----------------------------------------------------------------- Hide/unhide 3879: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3880: my ($symb,$idx)=split(/\:\:\:/,$entry); 3881: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3882: 3883: my $crs='/'.$env{'request.course.id'}; 3884: if ($env{'request.course.sec'}) { 3885: $crs.='_'.$env{'request.course.sec'}; 3886: } 3887: $crs=~s/\_/\//g; 3888: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3889: 3890: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3891: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3892: undef,undef,$group,); 3893: return OK; 3894: } 3895: 3896: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3897: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3898: $env{'course.'.$env{'request.course.id'}.'.num'}); 3899: 3900: my $currenthidden=$contrib{'hidden'}; 3901: my $currentstudenthidden=$contrib{'studenthidden'}; 3902: 3903: if ($env{'form.hide'}) { 3904: $currenthidden.='.'.$idx.'.'; 3905: unless ($seeid) { 3906: $currentstudenthidden.='.'.$idx.'.'; 3907: } 3908: } else { 3909: $currenthidden=~s/\.$idx\.//g; 3910: } 3911: my %newhash=('hidden' => $currenthidden); 3912: if ( ($env{'form.hide'}) && (!$seeid) ) { 3913: $newhash{'studenthidden'} = $currentstudenthidden; 3914: } 3915: if ($env{'form.hide'}) { 3916: my $changelast = 0; 3917: my $newlast; 3918: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3919: if ($changelast) { 3920: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3921: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3922: $env{'course.'.$env{'request.course.id'}.'.num'}); 3923: } 3924: } 3925: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3926: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3927: $env{'course.'.$env{'request.course.id'}.'.num'}); 3928: 3929: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3930: '0','0','','',$env{'form.previous'},undef,undef,undef, 3931: undef,undef,undef,$group); 3932: return OK; 3933: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { 3934: # ----------------------------------------------------------------- Like/unlike 3935: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; 3936: my ($symb,$idx)=split(/\:\:\:/,$entry); 3937: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3938: 3939: # 3940: # Likes and unlikes are in db-file "disclikes" of the course 3941: # The prefix is the $symb to identify the resource discussion, 3942: # and the $idx to identify the entry 3943: # 3944: my $prefix=$symb.':'.$idx.':'; 3945: my %contrib=&Apache::lonnet::dump('disclikes', 3946: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3947: $env{'course.'.$env{'request.course.id'}.'.num'}, 3948: '^'.$prefix); 3949: # Get current like or unlike status for the $idx for this user. 3950: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 3951: my ($userlikes,$userunlikes); 3952: if (ref($contrib{$prefix.'likers'}) eq 'HASH') { 3953: if (exists($contrib{$prefix.'likers'}{$thisuser})) { 3954: $userlikes = 1; 3955: } 3956: } 3957: if (ref($contrib{$prefix.'unlikers'}) eq 'HASH') { 3958: if (exists($contrib{$prefix.'unlikers'}{$thisuser})) { 3959: $userunlikes = 1; 3960: } 3961: } 3962: 3963: # Get the current "likes" count 3964: my $likes=$contrib{$prefix.'likes'}; 3965: # Find out if they already voted 3966: # Users cannot like a post twice, or unlike it twice. 3967: # They can change their mind, though. 3968: my $alreadyflag=0; 3969: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 3970: if ($env{'form.like'}) { 3971: if ($userlikes) { 3972: $alreadyflag=1; 3973: } elsif ($userunlikes) { 3974: delete($contrib{$prefix.'unlikers'}{$thisuser}); 3975: $likes++; 3976: } else { 3977: if (ref($contrib{$prefix.'likers'}) eq 'HASH') { 3978: $contrib{$prefix.'likers'}{$thisuser} = 1; 3979: } else { 3980: $contrib{$prefix.'likers'} = {$thisuser => 1}; 3981: } 3982: $likes++; 3983: } 3984: } else { 3985: if ($userunlikes) { 3986: $alreadyflag=1; 3987: } elsif ($userlikes) { 3988: delete($contrib{$prefix.'likers'}{$thisuser}); 3989: $likes--; 3990: } else { 3991: if (ref($contrib{$prefix.'unlikers'}) eq 'HASH') { 3992: $contrib{$prefix.'unlikers'}{$thisuser} = 1; 3993: } else { 3994: $contrib{$prefix.'unlikers'} = {$thisuser => 1}; 3995: } 3996: $likes--; 3997: } 3998: } 3999: my $result; 4000: # $alreadyflag would be 1 if they tried to double-like or double-unlike 4001: unless ($alreadyflag) { 4002: my %newhash=($prefix.'likes' => $likes, 4003: $prefix.'likers' => $contrib{$prefix.'likers'}, 4004: $prefix.'unlikers' => $contrib{$prefix.'unlikers'}); 4005: # Store data in db-file "disclikes" 4006: if (&Apache::lonnet::put('disclikes', 4007: \%newhash, 4008: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4009: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 4010: # Also store with the person who posted the liked/unliked entry 4011: if ($env{'form.like'}) { 4012: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 4013: $result=&mt("Registered 'Like'"); 4014: } else { 4015: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 4016: $result=&mt("Registered 'Unlike'"); 4017: } 4018: } else { 4019: # Oops, something went wrong 4020: $result=&mt("Failed to register vote"); 4021: } 4022: } 4023: &redirect_back($r,$feedurl,$result.'<br />', 4024: '0','0','','',$env{'form.previous'},undef,undef,undef, 4025: undef,undef,undef,$group); 4026: return OK; 4027: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 4028: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 4029: if ($env{'form.cmd'} eq 'threadedon') { 4030: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 4031: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 4032: } else { 4033: &Apache::lonnet::del('environment',['threadeddiscussion']); 4034: &Apache::lonnet::delenv('environment.threadeddiscussion'); 4035: } 4036: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 4037: '0','0','','',$env{'form.previous'},undef,undef,undef, 4038: undef,undef,undef,$group); 4039: return OK; 4040: } elsif ($env{'form.deldisc'}) { 4041: # --------------------------------------------------------------- Hide for good 4042: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 4043: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 4044: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4045: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4046: $env{'course.'.$env{'request.course.id'}.'.num'}); 4047: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 4048: if ($changelast) { 4049: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 4050: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 4051: } 4052: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 4053: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 4054: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4055: $env{'course.'.$env{'request.course.id'}.'.num'}); 4056: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 4057: '0','0','','',$env{'form.previous'},undef,undef,undef, 4058: undef,undef,undef,$group); 4059: return OK; 4060: } elsif ($env{'form.preview'}) { 4061: # -------------------------------------------------------- User wants a preview 4062: &show_preview($r); 4063: return OK; 4064: } elsif ($env{'form.attach'}) { 4065: # -------------------------------------------------------- Work on attachments 4066: &Apache::loncommon::content_type($r,'text/html'); 4067: $r->send_http_header; 4068: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 4069: my (@currnewattach,@currdelold,@keepold,$toolarge); 4070: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 4071: if (exists($env{'form.addnewattach.filename'})) { 4072: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 4073: my $subdir = 'feedback/'.$env{'form.timestamp'}; 4074: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 4075: push(@currnewattach, $newattachment); 4076: } else { 4077: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4078: } 4079: } 4080: my $attachmenturls; 4081: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 4082: my $idx = $env{'form.idx'}; 4083: if ($idx) { 4084: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4085: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4086: $env{'course.'.$env{'request.course.id'}.'.num'}); 4087: $attachmenturls = $contrib{$idx.':attachmenturl'}; 4088: } 4089: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 4090: $attachmenturls,$attachmax{'text'},$toolarge); 4091: return OK; 4092: } elsif ($env{'form.export'}) { 4093: &Apache::loncommon::content_type($r,'text/html'); 4094: $r->send_http_header; 4095: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 4096: my $mode='board'; 4097: my $status='OPEN'; 4098: my $previous=$env{'form.previous'}; 4099: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 4100: $mode='problem'; 4101: $status=$Apache::inputtags::status[-1]; 4102: } 4103: my $discussion = &list_discussion($mode,$status,$symb); 4104: my $start_page = 4105: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 4106: my $end_page = 4107: &Apache::loncommon::end_page(); 4108: $r->print($start_page.$discussion.$end_page); 4109: return OK; 4110: } else { 4111: # ------------------------------------------------------------- Normal feedback 4112: my $feedurl=$env{'form.postdata'}; 4113: $feedurl=~s/^https?\:\/\///; 4114: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 4115: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 4116: $feedurl=~s/\?.+$//; 4117: 4118: my $symb; 4119: if ($env{'form.replydisc'}) { 4120: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 4121: } elsif ($env{'form.editdisc'}) { 4122: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 4123: } elsif ($env{'form.origpage'}) { 4124: $symb=""; 4125: } else { 4126: $symb=&Apache::lonnet::symbread($feedurl); 4127: } 4128: unless ($symb) { 4129: $symb=$env{'form.symb'}; 4130: } 4131: if (defined($symb)) { 4132: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 4133: } else { 4134: # backward compatibility (bulletin boards used to be 'wrapped') 4135: &Apache::lonenc::check_decrypt(\$feedurl); 4136: &dewrapper(\$feedurl); 4137: } 4138: my $goahead=1; 4139: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 4140: unless ($symb) { $goahead=0; } 4141: } 4142: if (!$goahead) { 4143: # Ambiguous Problem Resource 4144: $r->internal_redirect('/adm/ambiguous'); 4145: return OK; 4146: } 4147: # Go ahead with feedback, no ambiguous reference 4148: unless ( 4149: ( 4150: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 4151: ) 4152: || 4153: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 4154: || 4155: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 4156: ) { 4157: &Apache::loncommon::content_type($r,'text/html'); 4158: $r->send_http_header; 4159: # Unable to give feedback 4160: &Apache::lonenc::check_encrypt(\$feedurl); 4161: &no_redirect_back($r,$feedurl); 4162: return OK; 4163: } 4164: # --------------------------------------------------- Print login screen header 4165: unless ($env{'form.sendit'}) { 4166: &Apache::lonenc::check_encrypt(\$feedurl); 4167: &Apache::loncommon::content_type($r,'text/html'); 4168: $r->send_http_header; 4169: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 4170: my ($blocked,$blocktext) = 4171: &Apache::loncommon::blocking_status('boards'); 4172: if ($blocked) { 4173: $r->print(&blocked_reply_or_edit($blocktext)); 4174: return OK; 4175: } 4176: } 4177: my $options=&screen_header($feedurl,$symb,$group); 4178: if ($options) { 4179: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 4180: } else { 4181: &fail_redirect($r,$feedurl); 4182: } 4183: return OK; 4184: } 4185: 4186: # Get previous user input 4187: my $prevattempts=&Apache::loncommon::get_previous_attempt( 4188: $symb,$env{'user.name'},$env{'user.domain'}, 4189: $env{'request.course.id'}); 4190: 4191: # Get output from resource 4192: &Apache::lonenc::check_encrypt(\$feedurl); 4193: my $usersaw=&resource_output($feedurl); 4194: 4195: # Get resource answer (need to allow student to view grades for this to work) 4196: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 4197: my $usersymb = &Apache::lonenc::check_encrypt($symb); 4198: my $useranswer= 4199: &Apache::loncommon::get_student_answers( 4200: $usersymb,$env{'user.name'},$env{'user.domain'}, 4201: $env{'request.course.id'}); 4202: &Apache::lonnet::delenv('allowed.vgr'); 4203: # Get attachments, if any, and not too large 4204: my $attachmenturl=''; 4205: my $toolarge=''; 4206: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 4207: ($env{'form.replydisc'})) { 4208: my ($symb,$idx); 4209: if ($env{'form.replydisc'}) { 4210: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 4211: } elsif ($env{'form.editdisc'}) { 4212: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 4213: } elsif ($env{'form.origpage'}) { 4214: $symb = $env{'form.symb'}; 4215: } 4216: &Apache::lonenc::check_decrypt(\$symb); 4217: my @currnewattach = (); 4218: my @deloldattach = (); 4219: my @keepold = (); 4220: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 4221: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 4222: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 4223: } elsif ($env{'form.attachment.filename'}) { 4224: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 4225: my $now = time; 4226: my $subdir = 'feedback/'.$now; 4227: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 4228: } else { 4229: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4230: } 4231: } 4232: # Filter HTML out of message (could be nasty) 4233: my $override; 4234: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 4235: $override = 1; 4236: } 4237: my $message=&clear_out_html($env{'form.comment'},$override); 4238: 4239: 4240: # Assemble email 4241: my ($email,$citations)=&assemble_email($message,$prevattempts, 4242: $usersaw,$useranswer); 4243: 4244: # Who gets this? 4245: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 4246: 4247: # Actually send mail 4248: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 4249: $feedurl,$email,$citations, 4250: $attachmenturl,$usersymb,%to); 4251: 4252: # Discussion? Store that. 4253: my $numpost=0; 4254: if ( ($env{'form.discuss'} ne '' 4255: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4256: || $env{'form.anondiscuss'} ne '') { 4257: my $subject = &clear_out_html($env{'form.subject'}); 4258: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4259: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4260: $subject,$group); 4261: $numpost++; 4262: } 4263: 4264: # Add to blog? 4265: 4266: my $blog=''; 4267: if ($env{'form.blog'}) { 4268: my $subject = &clear_out_html($env{'form.subject'}); 4269: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4270: $env{'user.domain'}, 4271: 'CourseBlog_'.$env{'request.course.id'}, 4272: $subject,$message,$feedurl,'public'); 4273: if (&Apache::loncommon::course_type() eq 'Community') { 4274: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4275: } else { 4276: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4277: } 4278: } 4279: 4280: # Receipt screen and redirect back to where came from 4281: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4282: } 4283: return OK; 4284: } 4285: 4286: sub blocked_reply_or_edit { 4287: my ($blocktext) = @_; 4288: return 4289: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4290: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4291: &mt('Back to previous page'). 4292: &Apache::loncommon::end_page(); 4293: } 4294: 4295: sub wrap_symb { 4296: my ($ressymb)=@_; 4297: if ($ressymb =~ /bulletin___\d+___/) { 4298: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4299: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4300: } 4301: } 4302: return $ressymb; 4303: } 4304: sub dewrapper { 4305: my ($feedurl)=@_; 4306: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4307: $$feedurl=~s|^/adm/wrapper||; 4308: } 4309: } 4310: 4311: sub get_feedurl { 4312: my ($symb)=@_; 4313: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4314: my $feedurl = &Apache::lonnet::clutter($url); 4315: &dewrapper(\$feedurl); 4316: return $feedurl; 4317: } 4318: 4319: sub get_feedurl_and_clean_symb { 4320: my ($symb)=@_; 4321: &Apache::lonenc::check_decrypt(\$symb); 4322: # backward compatibility (bulletin boards used to be 'wrapped') 4323: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4324: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4325: } 4326: my $feedurl = &get_feedurl($symb); 4327: return ($symb,$feedurl); 4328: } 4329: 4330: sub editing_allowed { 4331: my ($postid,$group) = @_; 4332: $postid = &unescape($postid); 4333: my $can_edit = 0; 4334: if ($group ne '') { 4335: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4336: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4337: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4338: if (&check_group_priv($group,'egp') eq 'ok') { 4339: $can_edit = 1; 4340: } 4341: return $can_edit; 4342: } 4343: } 4344: my $cid = $env{'request.course.id'}; 4345: my $role = (split(/\./,$env{'request.role'}))[0]; 4346: my $section = $env{'request.course.sec'}; 4347: my $allow_editing_config = 4348: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4349: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4350: $can_edit = 1; 4351: } else { 4352: foreach my $editor (split(/,/,$allow_editing_config)) { 4353: my ($editor_role,$editor_sec) = split(/:/,$editor); 4354: if ($editor_role eq $role 4355: && defined($editor_sec) 4356: && defined($section) 4357: && $editor_sec eq $section) { 4358: $can_edit = 1; 4359: last; 4360: } 4361: if ($editor_role eq $role 4362: && !defined($editor_sec)) { 4363: $can_edit = 1; 4364: } 4365: } 4366: } 4367: return $can_edit; 4368: } 4369: 4370: sub check_group_priv { 4371: my ($group,$grp_priv) = @_; 4372: foreach my $priv ('mdg','vcg') { 4373: my $checkcourse = $env{'request.course.id'}. 4374: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4375: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4376: return 'ok'; 4377: } 4378: } 4379: if ($grp_priv && $group ne '') { 4380: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4381: return 'ok'; 4382: } 4383: } 4384: return ''; 4385: } 4386: 4387: sub group_args { 4388: my ($group) = @_; 4389: if ($group eq '') { return ''; } 4390: my $extra_args = '&group='.$group; 4391: if (exists($env{'form.ref'})) { 4392: $extra_args .= '&ref='.$env{'form.ref'}; 4393: } 4394: return $extra_args; 4395: } 4396: 4397: sub get_resource_title { 4398: my ($symb,$feedurl) = @_; 4399: my ($restitle,$plainurl); 4400: if (defined($symb)) { 4401: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4402: $restitle = &Apache::lonnet::gettitle($plain_symb); 4403: } 4404: if (defined($feedurl)) { 4405: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4406: } 4407: if (!defined($restitle)) { 4408: if (defined($feedurl)) { 4409: $restitle = &Apache::lonnet::gettitle($plainurl); 4410: } 4411: } 4412: if ($plainurl ne $feedurl) { 4413: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4414: if ($plain_filename eq $restitle) { 4415: $restitle = &mt('Untitled resource'); 4416: } 4417: } 4418: if ($restitle eq '') { 4419: $restitle = &mt('Untitled resource'); 4420: } 4421: return $restitle; 4422: } 4423: 4424: 1; 4425: __END__ 4426: 4427: 4428: =pod 4429: 4430: =head1 NAME 4431: 4432: Apache::lonfeedback.pm 4433: 4434: =head1 SYNOPSIS 4435: 4436: Handles feedback from students to instructors and system administrators. 4437: 4438: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4439: 4440: Used by lonmsg.pm. 4441: 4442: This is part of the LearningOnline Network with CAPA project 4443: described at http://www.lon-capa.org. 4444: 4445: =head1 OVERVIEW 4446: 4447: None 4448: 4449: =head1 SUBROUTINES 4450: 4451: =over 4452: 4453: =item discussion_open() 4454: 4455: =item discussion_visible() 4456: 4457: =item list_discussion() 4458: 4459: =item send_feedback_link() 4460: 4461: =item send_message_link() 4462: 4463: =item action_links_bar() 4464: 4465: =item postingform_display() 4466: 4467: =item build_posting_display 4468: 4469: =item filter_regexp() 4470: 4471: =item get_post_contents() 4472: 4473: =item replicate_attachments() 4474: 4475: =item mail_screen() 4476: 4477: =item print_display_options() 4478: 4479: =item print_sortfilter_options() 4480: 4481: =item print_showposters() 4482: 4483: =item get_post_versions() 4484: 4485: =item get_post_attachments() 4486: 4487: =item fail_redirect() 4488: 4489: =item redirect_back() 4490: 4491: =item no_redirect_back() 4492: 4493: =item screen_header() 4494: 4495: =item resource_output() 4496: 4497: =item clear_out_html() 4498: 4499: =item assemble_email() 4500: 4501: =item feedback_available() 4502: 4503: =item send_msg() 4504: 4505: =item adddiscuss() 4506: 4507: =item get_discussion_info() 4508: 4509: =item show_preview() 4510: 4511: =item newline_to_br() 4512: 4513: =item tidy_html() 4514: 4515: =item generate_preview_button() 4516: 4517: =item modify_attachments() 4518: 4519: =item process_attachments() 4520: 4521: =item generate_attachments_button() 4522: 4523: =item extract_attachments() 4524: 4525: =item construct_attachmenturl() 4526: 4527: =item add_blog_checkbox() 4528: 4529: =item has_discussion() 4530: 4531: =item sort_filter_names() 4532: 4533: =item handler() 4534: 4535: =item blocked_reply_or_edit() 4536: 4537: =item wrap_symb() 4538: 4539: =item dewrapper() 4540: 4541: =item get_feedurl() 4542: 4543: =item get_feedurl_and_clean_symb() 4544: 4545: =item editing_allowed() 4546: 4547: =item check_group_priv() 4548: 4549: =item group_args() 4550: 4551: =item get_resource_title() 4552: 4553: =back 4554: 4555: =cut