loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.246: download - view: text, annotated - select for diffs
Tue Mar 20 00:08:09 2007 UTC (17 years, 2 months ago) by albertel
Branches: MAIN
CVS tags: HEAD

- error checking course email addresses
   - both at the setting stage for proper form and that the user exists
   - at the sending stage for proper form

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.246 2007/03/20 00:08:09 albertel Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: use Apache::lonspeller(); 45: use Apache::longroup; 46: use Cwd; 47: use LONCAPA; 48: 49: sub discussion_open { 50: my ($status,$symb)=@_; 51: if ($env{'request.role.adv'}) { return 1; } 52: if (defined($status) && 53: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 54: || $status eq 'OPEN')) { 55: return 0; 56: } 57: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 58: if (defined($close) && $close ne '' && $close < time) { 59: return 0; 60: } 61: return 1; 62: } 63: 64: sub discussion_visible { 65: my ($status)=@_; 66: if (not &discussion_open($status)) { 67: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 68: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 69: if (!$env{'request.role.adv'}) { return 0; } 70: } 71: } 72: return 1; 73: } 74: 75: sub list_discussion { 76: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 77: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 78: unless ($ressymb) { return ''; } 79: $ressymb=&wrap_symb($ressymb); 80: my $outputtarget=$env{'form.grade_target'}; 81: if (defined($env{'form.export'})) { 82: if($env{'form.export'}) { 83: $outputtarget = 'export'; 84: } 85: } 86: if (defined($imsextras)) { 87: if ($$imsextras{'caller'} eq 'imsexport') { 88: $outputtarget = 'export'; 89: } 90: } 91: if (not &discussion_visible($status)) { 92: if ($mode ne 'board') { 93: &Apache::lonenc::check_encrypt(\$ressymb); 94: return &send_message_link($ressymb); 95: } 96: } 97: if ($group ne '' && $mode eq 'board') { 98: if (&check_group_priv($group,'vgb') ne 'ok') { 99: return ''; 100: } 101: } 102: 103: my ($blocked,$blocktext) = 104: &Apache::loncommon::blocking_status('boards'); 105: if ($blocked) { 106: &Apache::lonenc::check_encrypt(\$ressymb); 107: if ($mode ne 'board') { 108: $blocktext.='<br />'.&send_message_link($ressymb); 109: } 110: return $blocktext; 111: } 112: 113: my @bgcols = ("#cccccc","#eeeeee"); 114: my $discussiononly=0; 115: if ($mode eq 'board') { $discussiononly=1; } 116: unless ($env{'request.course.id'}) { return ''; } 117: my $crs='/'.$env{'request.course.id'}; 118: my $cid=$env{'request.course.id'}; 119: if ($env{'request.course.sec'}) { 120: $crs.='_'.$env{'request.course.sec'}; 121: } 122: $crs=~s/\_/\//g; 123: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 124: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 125: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 126: 127: my %usernamesort = (); 128: my %namesort =(); 129: my %subjectsort = (); 130: 131: # Get discussion display settings for this discussion 132: my $lastkey = $ressymb.'_lastread'; 133: my $showkey = $ressymb.'_showonlyunread'; 134: my $markkey = $ressymb.'_showonlyunmark', 135: my $visitkey = $ressymb.'_visit'; 136: my $ondispkey = $ressymb.'_markondisp'; 137: my $userpickkey = $ressymb.'_userpick'; 138: my $toggkey = $ressymb.'_readtoggle'; 139: my $readkey = $ressymb.'_read'; 140: $ressymb=$encsymb; 141: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 142: my %discinfo = (); 143: my $showonlyunread = 0; 144: my $showunmark = 0; 145: my $markondisp = 0; 146: my $prevread = 0; 147: my $previous = 0; 148: my $visit = 0; 149: my $newpostsflag = 0; 150: my @posters = split(/\&/,$dischash{$userpickkey}); 151: 152: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 153: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 154: my $sortposts = $env{'form.sortposts'}; 155: my $statusfilter = $env{'form.statusfilter'}; 156: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 157: my @grouppick = split(/,/,$env{'form.grouppick'}); 158: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 159: 160: my $totposters = $env{'form.totposters'}; 161: $previous = $env{'form.previous'}; 162: if ($previous > 0) { 163: $prevread = $previous; 164: } elsif (defined($dischash{$lastkey})) { 165: unless ($dischash{$lastkey} eq '') { 166: $prevread = $dischash{$lastkey}; 167: } 168: } 169: 170: my $cdom = $env{'course.'.$cid.'.domain'}; 171: my $cnum = $env{'course.'.$cid.'.num'}; 172: 173: # Get information about students and non-students in course for filtering display of posts 174: my %roleshash = (); 175: my %roleinfo = (); 176: my ($classgroups,$studentgroups); 177: if ($env{'form.rolefilter'}) { 178: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 179: foreach my $rolekey (keys(%roleshash)) { 180: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 181: if ($role =~ /^cr/) { 182: $role = 'cr'; 183: } 184: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 185: my $now = time; 186: my $status = 'Active'; 187: if (($now < $start) || ($end > 0 && $now > $end)) { 188: $status = 'Expired'; 189: } 190: if ($uname && $udom) { 191: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 192: } 193: } 194: my ($classlist,$keylist) = 195: &Apache::loncoursedata::get_classlist($cdom,$cnum); 196: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 197: my $status_index = &Apache::loncoursedata::CL_STATUS(); 198: while (my ($student,$data) = each %$classlist) { 199: my ($section,$status) = ($data->[$sec_index], 200: $data->[$status_index]); 201: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 202: } 203: ($classgroups,$studentgroups) = 204: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 205: $cdom,$cnum); 206: } 207: 208: # Get discussion display default settings for user 209: if ($env{'environment.discdisplay'} eq 'unread') { 210: $showonlyunread = 1; 211: } 212: if ($env{'environment.discmarkread'} eq 'ondisp') { 213: $markondisp = 1; 214: } 215: 216: # Override user's default if user specified display setting for this discussion 217: if (defined($dischash{$ondispkey})) { 218: unless ($dischash{$ondispkey} eq '') { 219: $markondisp = $dischash{$ondispkey}; 220: } 221: } 222: if ($markondisp) { 223: $discinfo{$lastkey} = time; 224: } 225: 226: if (defined($dischash{$showkey})) { 227: unless ($dischash{$showkey} eq '') { 228: $showonlyunread = $dischash{$showkey}; 229: } 230: } 231: 232: if (defined($dischash{$markkey})) { 233: unless ($dischash{$markkey} eq '') { 234: $showunmark = $dischash{$markkey}; 235: } 236: } 237: 238: if (defined($dischash{$visitkey})) { 239: unless ($dischash{$visitkey} eq '') { 240: $visit = $dischash{$visitkey}; 241: } 242: } 243: $visit ++; 244: 245: my $seeid; 246: if (($group ne '') && ($mode eq 'board') && 247: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 248: if (&check_group_priv($group,'dgp') eq 'ok') { 249: $seeid = 1; 250: } 251: } else { 252: $seeid=&Apache::lonnet::allowed('rin',$crs); 253: } 254: my @discussionitems=(); 255: my %shown = (); 256: my @posteridentity=(); 257: 258: my $current=0; 259: my $visible=0; 260: my @depth=(); 261: my @replies = (); 262: my %alldiscussion=(); 263: my %imsitems=(); 264: my %imsfiles=(); 265: my %notshown = (); 266: my %newitem = (); 267: my $maxdepth=0; 268: my %anonhash=(); 269: my $anoncnt=0; 270: my $target=''; 271: unless ($env{'browser.interface'} eq 'textual' || 272: $env{'environment.remote'} eq 'off' ) { 273: $target='target="LONcom"'; 274: } 275: 276: my $now = time; 277: $discinfo{$visitkey} = $visit; 278: 279: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 280: &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); 281: 282: my $discussion=''; 283: my $manifestfile; 284: my $manifestok=0; 285: my $tempexport; 286: my $imsresources; 287: my $copyresult; 288: 289: my $function = &Apache::loncommon::get_users_function(); 290: my $color = &Apache::loncommon::designparm($function.'.tabbg', 291: $env{'user.domain'}); 292: my %lt = &Apache::lonlocal::texthash( 293: 'cuse' => 'Current discussion settings', 294: 'allposts' => 'All posts', 295: 'unread' => 'New posts only', 296: 'unmark' => 'Unread only', 297: 'ondisp' => 'Once displayed', 298: 'onmark' => 'Once marked not NEW', 299: 'toggoff' => 'Off', 300: 'toggon' => 'On', 301: 'disa' => 'Posts to be displayed', 302: 'npce' => 'Posts cease to be marked "NEW"', 303: 'epcb' => 'Each post can be toggled read/unread', 304: 'chgt' => 'Change', 305: 'disp' => 'Display', 306: 'nolo' => 'Not new', 307: 'togg' => 'Toggle read/unread', 308: 'aner' => 'An error occurred opening the manifest file.', 309: 'difo' => 'Discussion for', 310: 'aerr' => 'An error occurred opening the export file for posting', 311: 'aysu' => 'Are you sure you want to delete this post?', 312: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 313: 'bwco' => 'but will continue to be visible to your instructor', 314: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 315: ); 316: 317: my $currdisp = $lt{'allposts'}; 318: my $currmark = $lt{'onmark'}; 319: my $currtogg = $lt{'toggoff'}; 320: my $dispchange = $lt{'unread'}; 321: my $markchange = $lt{'ondisp'}; 322: my $toggchange = $lt{'toggon'}; 323: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 324: my $displinkA = 'onlyunread'; 325: my $displinkB = 'onlyunmark'; 326: my $marklink = 'markondisp'; 327: my $togglink = 'toggon'; 328: 329: if ($markondisp) { 330: $currmark = $lt{'ondisp'}; 331: $markchange = $lt{'onmark'}; 332: $marklink = 'markonread'; 333: } 334: 335: if ($showonlyunread) { 336: $currdisp = $lt{'unread'}; 337: $dispchange = $lt{'allposts'}; 338: $displinkA = 'allposts'; 339: } 340: 341: if ($showunmark) { 342: $currdisp = $lt{'unmark'}; 343: $dispchange = $lt{'unmark'}; 344: $displinkA='allposts'; 345: $displinkB='onlyunread'; 346: $showonlyunread = 0; 347: } 348: 349: if ($dischash{$toggkey}) { 350: $currtogg = $lt{'toggon'}; 351: $toggchange = $lt{'toggoff'}; 352: $togglink = 'toggoff'; 353: } 354: 355: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 356: 357: if ($newpostsflag) { 358: $chglink .= '&previous='.$prevread; 359: } 360: $chglink.=&group_args($group); 361: 362: if ($visible) { 363: # Print the discusssion 364: if ($outputtarget eq 'tex') { 365: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 366: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 367: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 368: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 369: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 370: } elsif ($outputtarget eq 'export') { 371: # Create temporary directory if this is an export 372: my $now = time; 373: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 374: $tempexport = $$imsextras{'tempexport'}; 375: if (!-e $tempexport) { 376: mkdir($tempexport,0700); 377: } 378: $tempexport .= '/'.$$imsextras{'count'}; 379: if (!-e $tempexport) { 380: mkdir($tempexport,0700); 381: } 382: } else { 383: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 384: if (!-e $tempexport) { 385: mkdir($tempexport,0700); 386: } 387: $tempexport .= '/'.$now; 388: if (!-e $tempexport) { 389: mkdir($tempexport,0700); 390: } 391: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 392: } 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: # open manifest file 397: my $manifest = '/imsmanifest.xml'; 398: my $manifestfilename = $tempexport.$manifest; 399: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 400: $manifestok=1; 401: print $manifestfile qq| 402: <?xml version="1.0" encoding="UTF-8"?> 403: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 404: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 405: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 406: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 407: <organizations default="$ressymb"> 408: <organization identifier="$ressymb"> 409: <title>$lt{'difo'} $ressymb</title>\n|; 410: } else { 411: $discussion .= $lt{'aner'}.'<br />'; 412: } 413: } else { 414: my $colspan=$maxdepth+1; 415: $discussion.= qq| 416: <script> 417: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 418: var symbparm = symb+':::'+idx 419: var prevparm = "" 420: if (newflag == 1) { 421: prevparm = "&previous="+previous 422: } 423: if (caller == 'studentdelete') { 424: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 425: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 426: } 427: } else { 428: if (caller == 'seeiddelete') { 429: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 430: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 431: } 432: } 433: } 434: } 435: </script> 436: |; 437: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">'; 438: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 439: $newpostsflag,$group, 440: $prevread,$markondisp); 441: my $escsymb=&escape($ressymb); 442: my $numhidden = keys(%notshown); 443: if ($numhidden > 0) { 444: my $colspan = $maxdepth+1; 445: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 446: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 447: if ($newpostsflag) { 448: $discussion .= '&previous='.$prevread; 449: } 450: $discussion .= &group_args($group); 451: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 452: $numhidden.' '; 453: if ($showunmark) { 454: $discussion .= &mt('posts previously marked read'); 455: } else { 456: $discussion .= &mt('previously viewed posts'); 457: } 458: $discussion .= '<br/></td></tr>'; 459: } 460: } 461: 462: # Choose sort mechanism 463: my @showposts = (); 464: if ($sortposts eq 'descdate') { 465: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 466: } elsif ($sortposts eq 'thread') { 467: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 468: } elsif ($sortposts eq 'subject') { 469: foreach my $key (sort(keys(%subjectsort))) { 470: push(@showposts, @{$subjectsort{$key}}); 471: } 472: } elsif ($sortposts eq 'username') { 473: foreach my $domain (sort(keys(%usernamesort))) { 474: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 475: push(@showposts, @{$usernamesort{$domain}{$key}}); 476: } 477: } 478: } elsif ($sortposts eq 'lastfirst') { 479: foreach my $last (sort(keys(%namesort))) { 480: foreach my $key (sort(keys(%{$namesort{$last}}))) { 481: push(@showposts, @{$namesort{$last}{$key}}); 482: } 483: } 484: } else { 485: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 486: } 487: my $currdepth = 0; 488: my $firstidx = $alldiscussion{$showposts[0]}; 489: foreach my $post (@showposts) { 490: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 491: $alldiscussion{$post} = $post; 492: } 493: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 494: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 495: $discussion.="\n<tr>"; 496: } 497: my $thisdepth=$depth[$alldiscussion{$post}]; 498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 499: for (1..$thisdepth) { 500: $discussion.='<td>   </td>'; 501: } 502: } 503: my $colspan=$maxdepth-$thisdepth+1; 504: if ($outputtarget eq 'tex') { 505: #cleanup block 506: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 507: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 508: my $threadinsert=''; 509: if ($thisdepth > 0) { 510: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 511: } 512: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 513: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 514: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 515: 516: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 517: $discussion.=$discussionitems[$alldiscussion{$post}]; 518: } elsif ($outputtarget eq 'export') { 519: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 520: if ($manifestok) { 521: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 522: print $manifestfile ' </item>'."\n"; 523: } 524: $currdepth = $depth[$alldiscussion{$post}]; 525: print $manifestfile "\n". 526: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 527: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 528: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>'; 529: $imsresources .= "\n". 530: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 531: '<file href="'.$postfilename.'">'."\n". 532: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n". 533: '</resource>'; 534: } 535: my $postingfile; 536: my $postingfilename = $tempexport.'/'.$postfilename; 537: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 538: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 539: $imsitems{$alldiscussion{$post}}{'title'}.' '. 540: $imsitems{$alldiscussion{$post}}{'sender'}. 541: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 542: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 543: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 544: close($postingfile); 545: } else { 546: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 547: } 548: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 549: } else { 550: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}]. 551: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 552: '</td></tr>'; 553: } 554: } 555: } 556: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 557: my $colspan=$maxdepth+1; 558: $discussion .= <<END; 559: <tr bgcolor="#FFFFFF"> 560: <td colspan="$colspan" valign="top"> 561: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2"> 562: <tr> 563: <td align="left"> 564: <table border="0" cellpadding="0" cellspacing="4"> 565: <tr> 566: <td> 567: <font size="-1"><b>$lt{'cuse'}</b>:</td> 568: <td> </td> 569: <td><font size="-1"> 570: END 571: if ($newpostsflag) { 572: $discussion .= 573: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 574: if ($dischash{$toggkey}) { 575: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 576: } 577: } else { 578: if ($dischash{$toggkey}) { 579: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 580: } else { 581: $discussion .= 582: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 583: } 584: } 585: $discussion .= <<END; 586: </font></td> 587: <td> </td> 588: <td align="left"> 589: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 590: </td> 591: </tr> 592: </table> 593: </td> 594: END 595: if ($sortposts) { 596: my %sort_types = (); 597: my %role_types = (); 598: my %status_types = (); 599: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 600: 601: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 602: if (defined($env{'form.totposters'})) { 603: $discussion .= &mt('Posts by').':'; 604: if ($totposters > 0) { 605: foreach my $poster (@posters) { 606: $discussion .= ' '.$poster.','; 607: } 608: $discussion =~ s/,$//; 609: } else { 610: $discussion .= &mt('None selected'); 611: } 612: } else { 613: my $filterchoice =''; 614: if (@sectionpick > 0) { 615: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 616: $filterchoice .= '    '; 617: } 618: if (@grouppick > 0) { 619: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 620: $filterchoice .= '    '; 621: } 622: if (@rolefilter > 0) { 623: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 624: foreach my $role (@rolefilter) { 625: $filterchoice .= ' '.$role_types{$role}.','; 626: } 627: $filterchoice =~ s/,$//; 628: $filterchoice .= '<br /> &nbsp    &nbsp '; 629: } 630: if ($statusfilter) { 631: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 632: } 633: if ($filterchoice) { 634: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 635: } 636: $discussion .= '</font></td>'; 637: } 638: } 639: if ($dischash{$toggkey}) { 640: my $storebutton = &mt('Store read/unread changes'); 641: $discussion.='<td align="right">'. 642: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n". 643: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 644: ' onClick="this.form.submit();">'."\n". 645: '</td>'; 646: } 647: $discussion .= (<<END); 648: </tr> 649: </table> 650: </td> 651: </tr> 652: END 653: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 654: $newpostsflag,$group, 655: $prevread,$markondisp); 656: $discussion .= " 657: </table> 658: <br /><br /></form>\n"; 659: } 660: if ($outputtarget eq 'export') { 661: if ($manifestok) { 662: while ($currdepth > 0) { 663: print $manifestfile " </item>\n"; 664: $currdepth --; 665: } 666: print $manifestfile qq| 667: </organization> 668: </organizations> 669: <resources> 670: $imsresources 671: </resources> 672: </manifest> 673: |; 674: close($manifestfile); 675: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 676: $discussion = $copyresult; 677: } else { 678: 679: #Create zip file in prtspool 680: 681: my $imszipfile = '/prtspool/'. 682: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 683: time.'_'.rand(1000000000).'.zip'; 684: my $cwd = &getcwd(); 685: my $imszip = '/home/httpd/'.$imszipfile; 686: chdir $tempexport; 687: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 688: close(OUTPUT); 689: chdir $cwd; 690: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 691: if ($copyresult) { 692: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 693: } 694: } 695: } else { 696: $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 />'; 697: } 698: return $discussion; 699: } 700: } 701: if ($discussiononly) { 702: my $now = time; 703: my $attachnum = 0; 704: my $currnewattach = []; 705: my $currdelold = []; 706: my $comment = ''; 707: my $subject = ''; 708: if ($env{'form.origpage'}) { 709: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 710: $subject = &unescape($env{'form.subject'}); 711: $comment = &unescape($env{'form.comment'}); 712: my @keepold = (); 713: &process_attachments($currnewattach,$currdelold,\@keepold); 714: if (@{$currnewattach} > 0) { 715: $attachnum += @{$currnewattach}; 716: } 717: } 718: if (&discussion_open($status)) { 719: if (($group ne '') && ($mode eq 'board')) { 720: if (&check_group_priv($group,'pgd') eq 'ok') { 721: $discussion .= 722: &postingform_display($mode,$ressymb,$now,$subject, 723: $comment,$outputtarget,$attachnum, 724: $currnewattach,$currdelold, 725: $group); 726: } 727: } else { 728: $discussion.= 729: &postingform_display($mode,$ressymb,$now,$subject, 730: $comment,$outputtarget,$attachnum, 731: $currnewattach,$currdelold); 732: } 733: } 734: } else { 735: $discussion.='<table class="LC_feedback_link"><tr><td>'; 736: if (&discussion_open($status) && 737: &Apache::lonnet::allowed('pch', 738: $env{'request.course.id'}. 739: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 740: if ($outputtarget ne 'tex') { 741: $discussion.= &send_feedback_link($ressymb,$target). 742: '<br />'; 743: } 744: } 745: if ($outputtarget ne 'tex') { 746: $discussion.= &send_message_link($ressymb); 747: } 748: $discussion.='</td></tr></table>'; 749: } 750: return $discussion; 751: } 752: 753: sub send_feedback_link { 754: my ($ressymb,$target) = @_; 755: my $output = '<span class="LC_feedback_link">'. 756: ' <a href="/adm/feedback?replydisc='. 757: &escape($ressymb).':::" '.$target.'>'. 758: '<img alt="" src="'. 759: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 760: '" border="0" />'.&mt('Post Discussion').'</a></span>'; 761: return $output; 762: } 763: 764: sub send_message_link { 765: my ($ressymb) = @_; 766: my $output = '<span class="LC_feedback_link">'. 767: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 768: &escape($ressymb).'"><img alt="" src="'. 769: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif'). 770: '" border="0" />'.&mt('Send Message').'</a></span>'; 771: return $output; 772: } 773: 774: sub action_links_bar { 775: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 776: my $discussion = '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'. 777: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>'; 778: my $escsymb=&escape($ressymb); 779: if ($visible>2) { 780: $discussion .= '<td align="left">'. 781: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 782: if ($newpostsflag) { 783: $discussion .= '&previous='.$prevread; 784: } 785: $discussion .= &group_args($group); 786: $discussion .='">'.&mt('Threaded View').'</a>  '. 787: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 788: if ($newpostsflag) { 789: $discussion .= '&previous='.$prevread; 790: } 791: $discussion .= &group_args($group); 792: $discussion .='">'.&mt('Chronological View').'</a>   793: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb; 794: if ($newpostsflag) { 795: $discussion .= '&previous='.$prevread; 796: } 797: $discussion .= &group_args($group); 798: $discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp'; 799: } else { 800: $discussion .= '<td align="left">'; 801: } 802: $discussion .='<a href= "/adm/feedback?export='.$escsymb; 803: if ($newpostsflag) { 804: $discussion .= '&previous='.$prevread; 805: } 806: $discussion .= &group_args($group); 807: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 808: if ($newpostsflag) { 809: if (!$markondisp) { 810: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions'; 811: $discussion .= &group_args($group); 812: $discussion .= '">'. 813: &mt('Preferences on what is marked as NEW'). 814: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 815: $discussion .= &group_args($group); 816: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>'; 817: } else { 818: $discussion .= '<td> </td>'; 819: } 820: } else { 821: $discussion .= '<td> </td>'; 822: } 823: $discussion .= '</tr></table></td></tr>'; 824: return $discussion; 825: } 826: 827: sub postingform_display { 828: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 829: $currnewattach,$currdelold,$group) = @_; 830: my $newattachmsg; 831: my %lt = &Apache::lonlocal::texthash( 832: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 833: 'title' => 'Title', 834: 'podi' => 'Post Discussion', 835: 'poan' => 'Post Anonymous Discussion', 836: 'newa' => 'New attachments', 837: ); 838: my $postingform = (<<ENDDISCUSS); 839: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 840: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 841: <input type="hidden" name="sendit" value="true" /> 842: <input type="hidden" name="timestamp" value="$now" /> 843: <br /><a name="newpost"></a> 844: <font size="1">$lt{'note'}</font><br /> 845: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 846: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 847: ENDDISCUSS 848: if ($env{'form.origpage'}) { 849: $postingform .= '<input type="hidden" name="origpage" value="'. 850: $env{'form.origpage'}.'" />'."\n"; 851: foreach my $att (@{$currnewattach}) { 852: $postingform .= '<input type="hidden" name="currnewattach" '. 853: 'value="'.$att.'" />'."\n"; 854: } 855: } 856: if (exists($env{'form.ref'})) { 857: $postingform .= '<input type="hidden" name="ref" value="'. 858: $env{'form.ref'}.'" />'; 859: } 860: if ($group ne '') { 861: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 862: } 863: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 864: if (!$blockblog) { 865: $postingform .= &add_blog_checkbox(); 866: } 867: $postingform .= "</form>\n"; 868: if ($outputtarget ne 'tex') { 869: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 870: $now,$currnewattach, 871: $currdelold,'',$mode, 872: $blockblog); 873: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 874: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 875: if (@{$currnewattach} > 1) { 876: $newattachmsg .= '<ol>'; 877: foreach my $item (@{$currnewattach}) { 878: $item =~ m#.*/([^/]+)$#; 879: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 880: } 881: $newattachmsg .= '</ol>'."\n"; 882: } else { 883: $$currnewattach[0] =~ m#.*/([^/]+)$#; 884: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 885: } 886: } 887: $postingform .= $newattachmsg; 888: $postingform .= &generate_preview_button(); 889: } 890: return $postingform; 891: } 892: 893: sub build_posting_display { 894: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 895: my @original=(); 896: my @index=(); 897: my $skip_group_check = 0; 898: my $symb=&Apache::lonenc::check_decrypt($ressymb); 899: my $escsymb=&escape($ressymb); 900: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 901: $env{'course.'.$env{'request.course.id'}.'.domain'}, 902: $env{'course.'.$env{'request.course.id'}.'.num'}); 903: 904: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 905: $skip_group_check = 1; 906: } 907: if ($contrib{'version'}) { 908: my $oldest = $contrib{'1:timestamp'}; 909: if ($prevread eq '0') { 910: $prevread = $oldest-1; 911: } 912: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 913: if ($sortposts) { 914: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 915: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 916: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 917: } 918: for (my $id=1;$id<=$contrib{'version'};$id++) { 919: my $idx=$id; 920: my $posttime = $contrib{$idx.':timestamp'}; 921: if ($prevread <= $posttime) { 922: $$newpostsflag = 1; 923: } 924: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 925: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 926: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 927: my $origindex='0.'; 928: my $numoldver=0; 929: if ($contrib{$idx.':replyto'}) { 930: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 931: # this is a follow-up message 932: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 933: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 934: $origindex=$index[$contrib{$idx.':replyto'}]; 935: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 936: } else { 937: $original[$idx]=0; 938: $$depth[$idx]=0; 939: } 940: } else { 941: # this is an original message 942: $original[$idx]=0; 943: $$depth[$idx]=0; 944: } 945: if ($$replies[$$depth[$idx]]) { 946: $$replies[$$depth[$idx]]++; 947: } else { 948: $$replies[$$depth[$idx]]=1; 949: } 950: unless ((($hidden) && (!$seeid)) || ($deleted)) { 951: $$visible++; 952: if ($contrib{$idx.':history'}) { 953: if ($contrib{$idx.':history'} =~ /:/) { 954: my @oldversions = split(/:/,$contrib{$idx.':history'}); 955: $numoldver = @oldversions; 956: } else { 957: $numoldver = 1; 958: } 959: } 960: $$current = $numoldver; 961: my %messages = (); 962: my %subjects = (); 963: my %attachtxt = (); 964: my %allattachments = (); 965: my ($screenname,$plainname); 966: my $sender = &mt('Anonymous'); 967: # Anonymous users getting number within a discussion 968: # Since idx is in static order, this should give the same sequence every time. 969: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 970: unless ($$anonhash{$key}) { 971: $anoncnt++; 972: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 973: } 974: my ($message,$subject,$vgrlink,$ctlink); 975: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 976: 977: 978: # Set up for sorting by subject 979: unless ($outputtarget eq 'export') { 980: $message=$messages{$numoldver}; 981: $message.=$attachtxt{$numoldver}; 982: $subject=$subjects{$numoldver}; 983: if ($message) { 984: if ($hidden) { 985: $message='<font color="#888888">'.$message.'</font>'; 986: if ($studenthidden) { 987: $message .='<br /><br />Deleted by poster (student).'; 988: } 989: } 990: 991: if ($subject eq '') { 992: if (defined($$subjectsort{'__No subject'})) { 993: push(@{$$subjectsort{'__No subject'}}, $idx); 994: } else { 995: @{$$subjectsort{'__No subject'}} = ("$idx"); 996: } 997: } else { 998: if (defined($$subjectsort{$subject})) { 999: push(@{$$subjectsort{$subject}}, $idx); 1000: } else { 1001: @{$$subjectsort{$subject}} = ("$idx"); 1002: } 1003: } 1004: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 1005: $sender=&Apache::loncommon::aboutmewrapper( 1006: $plainname, 1007: $contrib{$idx.':sendername'}, 1008: $contrib{$idx.':senderdomain'}).' ('. 1009: $contrib{$idx.':sendername'}.' at '. 1010: $contrib{$idx.':senderdomain'}.')'; 1011: if ($contrib{$idx.':anonymous'}) { 1012: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1013: $screenname; 1014: } 1015: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1016: # Set up for sorting by domain, then username 1017: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1018: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1019: } 1020: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1021: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1022: } else { 1023: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1024: } 1025: # Set up for sorting by last name, then first name 1026: my %names = &Apache::lonnet::get('environment', 1027: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1028: ,$contrib{$idx.':sendername'}); 1029: my $lastname = $names{'lastname'}; 1030: my $firstname = $names{'firstname'}; 1031: if ($lastname eq '') { 1032: $lastname = '_'; 1033: } 1034: if ($firstname eq '') { 1035: $firstname = '_'; 1036: } 1037: unless (defined($$namesort{$lastname})) { 1038: %{$$namesort{$lastname}} = (); 1039: } 1040: if (defined($$namesort{$lastname}{$firstname})) { 1041: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1042: } else { 1043: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1044: } 1045: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1046: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1047: $sender.=' <a href="/adm/feedback?editdisc='. 1048: $escsymb.':::'.$idx; 1049: if ($$newpostsflag) { 1050: $sender .= '&previous='.$prevread; 1051: } 1052: $sender .= &group_args($group); 1053: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1054: 1055: unless ($seeid) { 1056: my $grpargs = &group_args($group); 1057: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1058: $sender .= '">'.&mt('Delete').'</a>'; 1059: } 1060: } 1061: } 1062: if ($seeid) { 1063: if ($hidden) { 1064: unless ($studenthidden) { 1065: $sender.=' <a href="/adm/feedback?unhide='. 1066: $escsymb.':::'.$idx; 1067: if ($$newpostsflag) { 1068: $sender .= '&previous='.$prevread; 1069: } 1070: $sender .= '">'.&mt('Make Visible').'</a>'; 1071: } 1072: } else { 1073: $sender.=' <a href="/adm/feedback?hide='. 1074: $escsymb.':::'.$idx; 1075: if ($$newpostsflag) { 1076: $sender .= '&previous='.$prevread; 1077: } 1078: $sender .= &group_args($group); 1079: $sender .= '">'.&mt('Hide').'</a>'; 1080: } 1081: my $grpargs = &group_args($group); 1082: $sender.= 1083: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1084: $sender .= &mt('Delete').'</a>'; 1085: } 1086: } else { 1087: if ($screenname) { 1088: $sender='<i>'.$screenname.'</i>'; 1089: } else { 1090: $sender='<i>'.$$anonhash{$key}.'</i>'; 1091: } 1092: # Set up for sorting by domain, then username for anonymous 1093: unless (defined($$usernamesort{'__anon'})) { 1094: %{$$usernamesort{'__anon'}} = (); 1095: } 1096: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1097: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1098: } else { 1099: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1100: } 1101: # Set up for sorting by last name, then first name for anonymous 1102: unless (defined($$namesort{'__anon'})) { 1103: %{$$namesort{'__anon'}} = (); 1104: } 1105: if (defined($$namesort{'__anon'}{'__anon'})) { 1106: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1107: } else { 1108: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1109: } 1110: } 1111: if (&discussion_open($status)) { 1112: if (($group ne '') && 1113: (&check_group_priv($group,'pgd') eq 'ok')) { 1114: $sender.=' <a href="/adm/feedback?replydisc='. 1115: $escsymb.':::'.$idx; 1116: if ($$newpostsflag) { 1117: $sender .= '&previous='.$prevread; 1118: } 1119: $sender .= &group_args($group); 1120: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1121: } elsif (&Apache::lonnet::allowed('pch', 1122: $env{'request.course.id'}. 1123: ($env{'request.course.sec'}?'/'. 1124: $env{'request.course.sec'}:''))) { 1125: $sender.=' <a href="/adm/feedback?replydisc='. 1126: $escsymb.':::'.$idx; 1127: if ($$newpostsflag) { 1128: $sender .= '&previous='.$prevread; 1129: } 1130: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1131: } 1132: } 1133: if ($viewgrades) { 1134: $vgrlink=&Apache::loncommon::submlink('Submissions', 1135: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1136: } 1137: if ($$dischash{$readkey}=~/\.$idx\./) { 1138: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1139: } else { 1140: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1141: } 1142: } 1143: #figure out at what position this needs to print 1144: } 1145: if ($outputtarget eq 'export' || $message) { 1146: my $thisindex=$idx; 1147: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1148: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1149: } 1150: $$alldiscussion{$thisindex}=$idx; 1151: $$shown{$idx} = 0; 1152: $index[$idx]=$thisindex; 1153: } 1154: if ($outputtarget eq 'export') { 1155: %{$$imsitems{$idx}} = (); 1156: $$imsitems{$idx}{'isvisible'}='true'; 1157: if ($hidden) { 1158: $$imsitems{$idx}{'isvisible'}='false'; 1159: } 1160: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1161: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1162: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1163: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1164: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1165: $contrib{$idx.':sendername'}.' at '. 1166: $contrib{$idx.':senderdomain'}.')'; 1167: $$imsitems{$idx}{'isanonymous'}='false'; 1168: if ($contrib{$idx.':anonymous'}) { 1169: $$imsitems{$idx}{'isanonymous'}='true'; 1170: } 1171: $$imsitems{$idx}{'currversion'}=$numoldver; 1172: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1173: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1174: $$shown{$idx} = 1; 1175: } 1176: } else { 1177: if ($message) { 1178: my $spansize = 2; 1179: if ($showonlyunread && $prevread > $posttime) { 1180: $$notshown{$idx} = 1; 1181: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1182: $$notshown{$idx} = 1; 1183: } else { 1184: # apply filters 1185: my $uname = $contrib{$idx.':sendername'}; 1186: my $udom = $contrib{$idx.':senderdomain'}; 1187: my $poster = $uname.':'.$udom; 1188: if ($env{'form.totposters'} ne '') { 1189: if ($totposters == 0) { 1190: $$shown{$idx} = 0; 1191: } elsif ($totposters > 0) { 1192: if (grep/^$poster$/,@{$posters}) { 1193: $$shown{$idx} = 1; 1194: } 1195: } 1196: } elsif ($sortposts) { 1197: if ($skiptest) { 1198: $$shown{$idx} = 1; 1199: } else { 1200: foreach my $role (@{$$roleinfo{$poster}}) { 1201: if ($role =~ /^cc:/) { 1202: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1203: if ($role =~ /$cc_regexp/) { 1204: $$shown{$idx} = 1; 1205: last; 1206: } 1207: } elsif ($role =~ /^$rolematch$/) { 1208: $$shown{$idx} = 1; 1209: last; 1210: } 1211: } 1212: } 1213: if ($$shown{$idx} && !$skip_group_check) { 1214: my $showflag = 0; 1215: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1216: foreach my $grp (@{$grouppick}) { 1217: if (grep/^\Q$grp\E$/, 1218: keys(%{$$classgroups{$poster}{active}})) { 1219: $showflag = 1; 1220: last; 1221: } 1222: } 1223: } 1224: if ($showflag) { 1225: $$shown{$idx} = 1; 1226: } else { 1227: $$shown{$idx} = 0; 1228: } 1229: } 1230: } else { 1231: $$shown{$idx} = 1; 1232: } 1233: } 1234: unless ($$notshown{$idx} == 1) { 1235: if ($prevread > 0 && $prevread <= $posttime) { 1236: $$newitem{$idx} = 1; 1237: $$discussionitems[$idx] .= ' 1238: <p><table border="0" width="100%"> 1239: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>'; 1240: } else { 1241: $$newitem{$idx} = 0; 1242: $$discussionitems[$idx] .= ' 1243: <p><table border="0" width="100%"> 1244: <tr><td align="left"> </td>'; 1245: } 1246: $$discussionitems[$idx] .= '<td align ="left">  '. 1247: '<b>'.$subject.'</b>  '. 1248: $sender.'</b> '.$vgrlink.' ('. 1249: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1250: if ($$dischash{$toggkey}) { 1251: $$discussionitems[$idx].='<td align="right">  '. 1252: $ctlink.'</td>'; 1253: } 1254: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1255: $message.'</blockquote></p>'; 1256: if ($contrib{$idx.':history'}) { 1257: my @postversions = (); 1258: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1259: if ($seeid) { 1260: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1261: $$discussionitems[$idx] .= &group_args($group); 1262: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1263: } 1264: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1265: if ($contrib{$idx.':history'} =~ m/:/) { 1266: @postversions = split(/:/,$contrib{$idx.':history'}); 1267: } else { 1268: @postversions = ("$contrib{$idx.':history'}"); 1269: } 1270: for (my $i=0; $i<@postversions; $i++) { 1271: my $version = $i+1; 1272: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1273: } 1274: } 1275: } 1276: } 1277: } 1278: } 1279: } 1280: } 1281: } 1282: 1283: sub filter_regexp { 1284: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1285: my ($roleregexp,$secregexp,$statusregexp); 1286: my $skiptest = 1; 1287: if (@{$rolefilter} > 0) { 1288: my @okrolefilter = (); 1289: foreach my $role (@{$rolefilter}) { 1290: unless ($role eq '') { 1291: push(@okrolefilter, $role); 1292: } 1293: } 1294: if (@okrolefilter > 0) { 1295: if (grep/^all$/,@okrolefilter) { 1296: $roleregexp='[^:]+'; 1297: } else { 1298: if (@okrolefilter == 1) { 1299: $roleregexp=$okrolefilter[0]; 1300: } else { 1301: $roleregexp='('.join('|',@okrolefilter).')'; 1302: } 1303: $skiptest = 0; 1304: } 1305: } 1306: } 1307: if (@{$sectionpick} > 0) { 1308: my @oksectionpick = (); 1309: foreach my $sec (@{$sectionpick}) { 1310: unless ($sec eq '') { 1311: push(@oksectionpick, $sec); 1312: } 1313: } 1314: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1315: if (@oksectionpick == 1) { 1316: $secregexp = $oksectionpick[0]; 1317: } else { 1318: $secregexp .= '('.join('|',@oksectionpick).')'; 1319: } 1320: $skiptest = 0; 1321: } else { 1322: $secregexp .= '[^:]*'; 1323: } 1324: } 1325: 1326: if (defined($statusfilter) && $statusfilter ne '') { 1327: if ($statusfilter eq 'all') { 1328: $statusregexp = '[^:]+'; 1329: } else { 1330: $statusregexp = $statusfilter; 1331: $skiptest = 0; 1332: } 1333: } 1334: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1335: } 1336: 1337: 1338: sub get_post_contents { 1339: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1340: my $discussion = ''; 1341: my $start=$numver; 1342: my $end=$numver + 1; 1343: %{$$imsfiles{$idx}}=(); 1344: if ($type eq 'allversions') { 1345: unless($seeid) { 1346: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1347: return $discussion; 1348: } 1349: } 1350: # $$screenname=&Apache::loncommon::screenname( 1351: # $$contrib{$idx.':sendername'}, 1352: # $$contrib{$idx.':senderdomain'}); 1353: $$plainname=&Apache::loncommon::nickname( 1354: $$contrib{$idx.':sendername'}, 1355: $$contrib{$idx.':senderdomain'}); 1356: $$screenname=$$contrib{$idx.':screenname'}; 1357: 1358: my $sender=&Apache::loncommon::aboutmewrapper( 1359: $$plainname, 1360: $$contrib{$idx.':sendername'}, 1361: $$contrib{$idx.':senderdomain'}).' ('. 1362: $$contrib{$idx.':sendername'}.' at '. 1363: $$contrib{$idx.':senderdomain'}.')'; 1364: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1365: my @postversions = (); 1366: if ($type eq 'allversions' || $type eq 'export') { 1367: $start = 0; 1368: if ($$contrib{$idx.':history'}) { 1369: @postversions = split(/:/,$$contrib{$idx.':history'}); 1370: } 1371: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1372: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1373: push(@postversions,$$contrib{$idx.':timestamp'}); 1374: $end = @postversions; 1375: } else { 1376: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1377: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1378: } 1379: 1380: if ($$contrib{$idx.':anonymous'}) { 1381: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1382: } 1383: if ($type eq 'allversions') { 1384: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1385: } 1386: for (my $i=$start; $i<$end; $i++) { 1387: my ($timesent,$attachmsg); 1388: my %currattach = (); 1389: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1390: &newline_to_br(\$messages->{$i}); 1391: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1392: $$subjects{$i}=~s/\n/\<br \/\>/g; 1393: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1394: if ($attachmenturls) { 1395: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1396: } 1397: if ($type eq 'export') { 1398: $$imsfiles{$idx}{$i} = ''; 1399: if ($attachmsg) { 1400: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1401: foreach my $key (sort(keys(%currattach))) { 1402: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1403: my $fname = $1.$3.'/'.$4; 1404: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1405: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1406: } 1407: } 1408: } 1409: } else { 1410: if ($attachmsg) { 1411: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1412: } else { 1413: $$attachtxt{$i} = ''; 1414: } 1415: } 1416: if ($type eq 'allversions') { 1417: $discussion.= <<"END"; 1418: <li><b>$$subjects{$i}</b>, $timesent<br /> 1419: $$messages{$i}<br /> 1420: $$attachtxt{$i}</li> 1421: END 1422: } 1423: } 1424: if ($type eq 'allversions') { 1425: $discussion.='</ul>'; 1426: return $discussion; 1427: } else { 1428: return; 1429: } 1430: } 1431: 1432: sub replicate_attachments { 1433: my ($attachrefs,$tempexport) = @_; 1434: my $response; 1435: foreach my $id (keys(%{$attachrefs})) { 1436: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1437: my $path = $tempexport; 1438: my $tail = $1.'/'.$2.$4; 1439: my @extras = split(/\//,$tail); 1440: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1441: if (!-e $destination) { 1442: my $i= 0; 1443: while ($i<@extras) { 1444: $path .= '/'.$extras[$i]; 1445: if (!-e $path) { 1446: mkdir($path,0700); 1447: } 1448: $i ++; 1449: } 1450: my ($content,$rtncode); 1451: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1452: if ($uploadreply eq 'ok') { 1453: my $attachcopy; 1454: if ($attachcopy = Apache::File->new('>'.$destination)) { 1455: print $attachcopy $content; 1456: close($attachcopy); 1457: } else { 1458: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1459: } 1460: } else { 1461: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1462: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1463: } 1464: } 1465: } 1466: } 1467: return $response; 1468: } 1469: 1470: sub mail_screen { 1471: my ($r,$feedurl,$options,$caller_symb) = @_; 1472: if (exists($env{'form.origpage'})) { 1473: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1474: } 1475: 1476: my %lt = &Apache::lonlocal::texthash( 1477: 'plch' => 'Please check at least one of the following feedback types:', 1478: 'myqu' => 'My question/comment/feedback:', 1479: 'title' => 'Title', 1480: 'reta' => 'Retained attachments', 1481: 'atta' => 'Attachment (128 KB max size)', 1482: ); 1483: my $restitle = &get_resource_title($caller_symb,$feedurl); 1484: my $quote=''; 1485: my $subject = ''; 1486: my $comment = ''; 1487: my $prevtag = ''; 1488: my $parentmsg = ''; 1489: my ($symb,$idx,$attachmenturls); 1490: my $numoldver = 0; 1491: my $attachmsg = ''; 1492: my $newattachmsg = ''; 1493: my @currnewattach = (); 1494: my @currdelold = (); 1495: my @keepold = (); 1496: my %attachments = (); 1497: my %currattach = (); 1498: my $attachnum = 0; 1499: my $anonchk = (<<END); 1500: function anonchk() { 1501: for (var i=0; i < document.mailform.discuss.length; i++) { 1502: if (document.mailform.discuss[i].checked) { 1503: document.attachment.discuss.value = 1504: document.mailform.discuss[i].value; 1505: } 1506: } 1507: if (document.mailform.blog.checked) { 1508: document.attachment.blog.value = 1; 1509: } 1510: return 1511: } 1512: END 1513: my $anonscript; 1514: if (exists($env{'form.origpage'})) { 1515: $anonscript = (<<END); 1516: function setposttype() { 1517: var disc = "$env{'form.discuss'}"; 1518: for (var i=0; i < document.mailform.discuss.length; i++) { 1519: if (disc == document.mailform.discuss[i].value) { 1520: document.mailform.discuss[i].checked = 1; 1521: } 1522: } 1523: var blog = "$env{'form.blog'}"; 1524: if (blog == 1) { 1525: document.mailform.blog.checked=1; 1526: } 1527: return 1528: } 1529: END 1530: } else { 1531: $anonscript = (<<END); 1532: function setposttype() { 1533: return 1534: } 1535: END 1536: } 1537: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1538: if ($env{'form.replydisc'}) { 1539: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1540: } else { 1541: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1542: } 1543: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1544: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1545: $env{'course.'.$env{'request.course.id'}.'.num'}); 1546: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1547: if ($contrib{$idx.':history'}) { 1548: if ($contrib{$idx.':history'} =~ /:/) { 1549: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1550: $numoldver = @oldversions; 1551: } else { 1552: $numoldver = 1; 1553: } 1554: } 1555: if ($env{'form.replydisc'}) { 1556: if ($contrib{$idx.':history'}) { 1557: if ($contrib{$idx.':history'} =~ /:/) { 1558: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1559: $numoldver = @oldversions; 1560: } else { 1561: $numoldver = 1; 1562: } 1563: } 1564: if ($idx > 0) { 1565: my %msgversions = (); 1566: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1567: $quote = $msgversions{$numoldver}; 1568: } 1569: if ($idx > 0) { 1570: my %subversions = (); 1571: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1572: $subject = &mt('Re: ').$subversions{$numoldver}; 1573: } 1574: $subject = &HTML::Entities::encode($subject,'<>&"'); 1575: } else { 1576: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1577: if ($idx > 0) { 1578: my %msgversions = (); 1579: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1580: $comment = $msgversions{$numoldver}; 1581: my %subversions = (); 1582: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1583: $subject = $subversions{$numoldver}; 1584: } 1585: if (defined($contrib{$idx.':replyto'})) { 1586: $parentmsg = $contrib{$idx.':replyto'}; 1587: } 1588: unless (exists($env{'form.origpage'})) { 1589: my $anonflag = 'nonanon'; 1590: if ($contrib{$idx.':anonymous'}) { 1591: $anonflag = 'anon'; 1592: } 1593: $anonscript = (<<END); 1594: function setposttype () { 1595: var currtype = "$anonflag"; 1596: for (var i=0; i<document.mailform.discuss.length; i++) { 1597: if (document.mailform.elements.discuss[i].value == currtype ) { 1598: document.mailform.elements.discuss[i].checked=1; 1599: } 1600: } 1601: return 1602: } 1603: END 1604: } 1605: } 1606: } 1607: if ($env{'form.previous'}) { 1608: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1609: } 1610: } 1611: 1612: if ($env{'form.origpage'}) { 1613: $subject = &unescape($env{'form.subject'}); 1614: $comment = &unescape($env{'form.comment'}); 1615: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1616: } 1617: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); 1618: my $send=&mt('Send'); 1619: my $alert = &mt('Please select a feedback type.'); 1620: my $js= <<END; 1621: <script type="text/javascript"> 1622: // 1656: </script> 1657: END 1658: 1659: my %onload = ('onload' => 'window.focus();setposttype();'); 1660: my $start_page= 1661: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1662: {'add_entries' => \%onload}); 1663: 1664: if ($quote ne '') { 1665: &newline_to_br(\$quote); 1666: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1667: } 1668: 1669: $r->print(<<END); 1670: $start_page 1671: <h2><tt>$restitle</tt></h2> 1672: <form action="/adm/feedback" method="post" name="mailform" 1673: enctype="multipart/form-data"> 1674: $prevtag 1675: <input type="hidden" name="postdata" value="$feedurl" /> 1676: END 1677: if ($env{'form.replydisc'}) { 1678: $r->print(<<END); 1679: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1680: END 1681: } elsif ($env{'form.editdisc'}) { 1682: $r->print(<<END); 1683: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1684: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1685: END 1686: } 1687: $r->print(<<END); 1688: $lt{'plch'} 1689: $options<hr /> 1690: $quote 1691: <p>$lt{'myqu'}</p> 1692: <p> 1693: $latexHelp 1694: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1695: <p> 1696: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1697: </textarea></p> 1698: <p> 1699: END 1700: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1701: if ($env{'form.origpage'}) { 1702: foreach my $attach (@currnewattach) { 1703: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1704: } 1705: foreach my $oldatt (@currdelold) { 1706: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1707: } 1708: } 1709: if ($env{'form.editdisc'}) { 1710: if ($attachmenturls) { 1711: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1712: $attachnum = scalar(keys(%currattach)); 1713: foreach my $key (keys(%currattach)) { 1714: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1715: } 1716: } 1717: } 1718: } else { 1719: $r->print(<<END); 1720: $lt{'atta'}: <input type="file" name="attachment" /> 1721: </p> 1722: END 1723: } 1724: if (exists($env{'form.group'})) { 1725: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1726: } 1727: if (exists($env{'form.ref'})) { 1728: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1729: } 1730: $r->print(<<END); 1731: <p> 1732: <input type="hidden" name="sendit" value="1" /> 1733: <input type="button" value="$send" onClick='gosubmit();' /> 1734: </p> 1735: </form> 1736: END 1737: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1738: my $now = time; 1739: my $ressymb = $symb; 1740: &Apache::lonenc::check_encrypt(\$ressymb); 1741: my $postidx = ''; 1742: if ($env{'form.editdisc'}) { 1743: $postidx = $idx; 1744: } 1745: if (@currnewattach > 0) { 1746: $attachnum += @currnewattach; 1747: } 1748: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1749: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1750: if ($attachnum > 0) { 1751: if (@currnewattach > 0) { 1752: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1753: if (@currnewattach > 1) { 1754: $newattachmsg .= '<ol>'; 1755: foreach my $item (@currnewattach) { 1756: $item =~ m#.*/([^/]+)$#; 1757: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1758: } 1759: $newattachmsg .= '</ol>'."\n"; 1760: } else { 1761: $currnewattach[0] =~ m#.*/([^/]+)$#; 1762: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1763: } 1764: } 1765: if ($attachmsg) { 1766: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1767: } 1768: if ($newattachmsg) { 1769: $r->print("$newattachmsg<br />"); 1770: } 1771: } 1772: } 1773: $r->print(&generate_preview_button(). 1774: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1775: &Apache::loncommon::end_page()); 1776: 1777: } 1778: 1779: sub print_display_options { 1780: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1781: &Apache::loncommon::content_type($r,'text/html'); 1782: $r->send_http_header; 1783: 1784: my $function = &Apache::loncommon::get_users_function(); 1785: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1786: $env{'user.domain'}); 1787: 1788: my %lt = &Apache::lonlocal::texthash( 1789: 'pref' => 'Display Preference', 1790: 'curr' => 'Current setting ', 1791: 'actn' => 'Action', 1792: 'deff' => 'Default for all discussions', 1793: 'prca' => 'Preferences can be set for this discussion that determine ....', 1794: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', 1795: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1796: 'wipa' => 'Whether individual posts can be marked as read/unread', 1797: 'allposts' => 'All posts', 1798: 'unread' => 'New posts only', 1799: 'unmark' => 'Posts not marked read', 1800: 'ondisp' => 'Once displayed', 1801: 'onmark' => 'Once marked not NEW ', 1802: 'toggon' => 'Shown', 1803: 'toggoff' => 'Not shown', 1804: 'disa' => 'Posts displayed?', 1805: 'npmr' => 'New posts cease to be identified as "NEW"?', 1806: 'dotm' => 'Option to mark each post as read/unread?', 1807: 'chgt' => 'Change to ', 1808: 'mkdf' => 'Set to ', 1809: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1810: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1811: ); 1812: 1813: my $dispchangeA = $lt{'unread'}; 1814: my $dispchangeB = $lt{'unmark'}; 1815: my $markchange = $lt{'ondisp'}; 1816: my $toggchange = $lt{'toggon'}; 1817: my $currdisp = $lt{'allposts'}; 1818: my $currmark = $lt{'onmark'}; 1819: my $discdisp = 'allposts'; 1820: my $discmark = 'onmark'; 1821: my $currtogg = $lt{'toggoff'}; 1822: my $disctogg = 'toggoff'; 1823: 1824: if ($dispchgA eq 'allposts') { 1825: $dispchangeA = $lt{'allposts'}; 1826: $currdisp = $lt{'unread'}; 1827: $discdisp = 'unread'; 1828: } 1829: 1830: if ($markchg eq 'markonread') { 1831: $markchange = $lt{'onmark'}; 1832: $currmark = $lt{'ondisp'}; 1833: $discmark = 'ondisp'; 1834: } 1835: 1836: if ($dispchgB eq 'onlyunread') { 1837: $dispchangeB = $lt{'unread'}; 1838: $currdisp = $lt{'unmark'}; 1839: $discdisp = 'unmark'; 1840: } 1841: if ($toggchg eq 'toggoff') { 1842: $toggchange = $lt{'toggoff'}; 1843: $currtogg = $lt{'toggon'}; 1844: $disctogg = 'toggon'; 1845: } 1846: 1847: my $js = <<END; 1848: <script type="text/javascript"> 1849: function discdispChk(caller) { 1850: var disctogg = '$toggchg' 1851: if (caller == 0) { 1852: if (document.modifydisp.discdisp[0].checked == true) { 1853: if (document.modifydisp.discdisp[1].checked == true) { 1854: document.modifydisp.discdisp[1].checked = false 1855: } 1856: } 1857: } 1858: if (caller == 1) { 1859: if (document.modifydisp.discdisp[1].checked == true) { 1860: if (document.modifydisp.discdisp[0].checked == true) { 1861: document.modifydisp.discdisp[0].checked = false 1862: } 1863: if (disctogg == 'toggon') { 1864: document.modifydisp.disctogg.checked = true 1865: } 1866: if (disctogg == 'toggoff') { 1867: document.modifydisp.disctogg.checked = false 1868: } 1869: } 1870: } 1871: if (caller == 2) { 1872: var dispchgB = '$dispchgB' 1873: if (disctogg == 'toggoff') { 1874: if (document.modifydisp.disctogg.checked == true) { 1875: if (dispchgB == 'onlyunmark') { 1876: document.modifydisp.discdisp[1].checked = false 1877: } 1878: } 1879: } 1880: } 1881: } 1882: 1883: function setDisp() { 1884: var prev = "$previous" 1885: var chktotal = 0 1886: if (document.modifydisp.discdisp[0].checked == true) { 1887: document.modifydisp.$dispchgA.value = "$symb" 1888: chktotal ++ 1889: } 1890: if (document.modifydisp.discdisp[1].checked == true) { 1891: document.modifydisp.$dispchgB.value = "$symb" 1892: chktotal ++ 1893: } 1894: if (document.modifydisp.discmark.checked == true) { 1895: document.modifydisp.$markchg.value = "$symb" 1896: chktotal ++ 1897: } 1898: if (document.modifydisp.disctogg.checked == true) { 1899: document.modifydisp.$toggchg.value = "$symb" 1900: chktotal ++ 1901: } 1902: if (chktotal > 0) { 1903: document.modifydisp.submit() 1904: } else { 1905: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1906: if (prev > 0) { 1907: location.href = "$feedurl?previous=$previous" 1908: } else { 1909: location.href = "$feedurl" 1910: } 1911: } 1912: } 1913: } 1914: </script> 1915: END 1916: 1917: 1918: my $start_page = 1919: &Apache::loncommon::start_page('Discussion display options',$js); 1920: my $end_page = 1921: &Apache::loncommon::end_page(); 1922: $r->print(<<END); 1923: $start_page 1924: <form name="modifydisp" method="POST" action="/adm/feedback"> 1925: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1926: <br /> 1927: END 1928: $r->print(&Apache::loncommon::start_data_table()); 1929: $r->print(<<END); 1930: <tr> 1931: <th>$lt{'pref'}</td> 1932: <th>$lt{'curr'}</td> 1933: <th>$lt{'actn'}?</td> 1934: </tr> 1935: END 1936: $r->print(&Apache::loncommon::start_data_table_row()); 1937: $r->print(<<END); 1938: <td>$lt{'disa'}</td> 1939: <td>$lt{$discdisp}</td> 1940: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1941: <br /> 1942: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1943: </td> 1944: END 1945: $r->print(&Apache::loncommon::end_data_table_row()); 1946: $r->print(&Apache::loncommon::start_data_table_row()); 1947: $r->print(<<END); 1948: <td>$lt{'npmr'}</td> 1949: <td>$lt{$discmark}</td> 1950: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1951: END 1952: $r->print(&Apache::loncommon::end_data_table_row()); 1953: $r->print(&Apache::loncommon::start_data_table_row()); 1954: $r->print(<<END); 1955: <td>$lt{'dotm'}</td> 1956: <td>$lt{$disctogg}</td> 1957: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1958: END 1959: $r->print(&Apache::loncommon::end_data_table_row()); 1960: $r->print(&Apache::loncommon::end_data_table()); 1961: $r->print(<<END); 1962: <br /> 1963: <br /> 1964: <input type="hidden" name="symb" value="$symb" /> 1965: <input type="hidden" name="previous" value="$previous" /> 1966: <input type="hidden" name="$dispchgA" value=""/> 1967: <input type="hidden" name="$dispchgB" value=""/> 1968: <input type="hidden" name="$markchg" value=""/> 1969: <input type="hidden" name="$toggchg" value="" /> 1970: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" /> 1971: END 1972: if (exists($env{'form.group'})) { 1973: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1974: } 1975: if (exists($env{'form.ref'})) { 1976: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1977: } 1978: $r->print(" 1979: <br /> 1980: <br /> 1981: </form> 1982: $end_page 1983: "); 1984: return; 1985: } 1986: 1987: sub print_sortfilter_options { 1988: my ($r,$symb,$previous,$feedurl) = @_; 1989: 1990: &Apache::loncommon::content_type($r,'text/html'); 1991: $r->send_http_header; 1992: 1993: &Apache::lonenc::check_encrypt(\$symb); 1994: my @sections; 1995: my $section_sel = ''; 1996: my $numvisible = 5; 1997: my @groups; 1998: my $group_sel = ''; 1999: my $numgroupvis = 5; 2000: my %sectioncount = &Apache::loncommon::get_sections(); 2001: 2002: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2003: @sections = ('all',$env{'request.course.sec'}); 2004: $numvisible = 2; 2005: } else { 2006: @sections = sort {$a cmp $b} keys(%sectioncount); 2007: if (scalar(@sections) < 4) { 2008: $numvisible = scalar(@sections) + 1; 2009: } 2010: unshift(@sections,'all'); # Put 'all' at the front of the list 2011: 2012: } 2013: foreach my $sec (@sections) { 2014: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2015: } 2016: 2017: if (&check_group_priv() eq 'ok') { 2018: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2019: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2020: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2021: @groups = sort {$a cmp $b} keys(%curr_groups); 2022: if (scalar(@groups) < 4) { 2023: $numgroupvis = scalar(@groups) + 1; 2024: } 2025: unshift(@groups,'all'); # Put 'all' at the front of the list 2026: } else { 2027: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2028: if (@coursegroups > 0) { 2029: @coursegroups = sort {$a cmp $b} @coursegroups; 2030: @groups = ('all',@coursegroups); 2031: if (scalar(@groups) < 4) { 2032: $numgroupvis = scalar(@groups) + 1; 2033: } 2034: } else { 2035: @groups = ('all'); 2036: $numgroupvis = 1; 2037: } 2038: } 2039: foreach my $group (@groups) { 2040: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2041: } 2042: 2043: my $function = &Apache::loncommon::get_users_function(); 2044: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2045: $env{'user.domain'}); 2046: my %lt = &Apache::lonlocal::texthash( 2047: 'diop' => 'Display Options', 2048: 'curr' => 'Current setting ', 2049: 'actn' => 'Action', 2050: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2051: 'soor' => 'Sort order', 2052: 'spur' => 'Specific user roles', 2053: 'sprs' => 'Specific role status', 2054: 'spse' => 'Specific sections', 2055: 'spgr' => 'Specific groups', 2056: 'psub' => 'Pick specific users (by name)', 2057: 'shal' => 'Show a list of current posters', 2058: 'stor' => 'Store changes', 2059: ); 2060: 2061: my %sort_types = (); 2062: my %role_types = (); 2063: my %status_types = (); 2064: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 2065: 2066: my $js = <<END; 2067: <script type="text/javascript"> 2068: function verifyFilter() { 2069: var rolenum = 0 2070: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2071: if (document.modifyshown.rolefilter.options[i].selected == true) { 2072: rolenum ++ 2073: } 2074: } 2075: if (rolenum == 0) { 2076: document.modifyshown.rolefilter.options[0].selected = true 2077: } 2078: 2079: var secnum = 0 2080: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2081: if (document.modifyshown.sectionpick.options[i].selected == true) { 2082: secnum ++ 2083: } 2084: } 2085: if (secnum == 0) { 2086: document.modifyshown.sectionpick.options[0].selected = true 2087: } 2088: 2089: var grpnum = 0 2090: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2091: if (document.modifyshown.grouppick.options[i].selected == true) { 2092: grpnum ++ 2093: } 2094: } 2095: if (grpnum == 0) { 2096: document.modifyshown.grouppick.options[0].selected = true 2097: } 2098: 2099: document.modifyshown.submit(); 2100: } 2101: </script> 2102: END 2103: 2104: my $start_page= 2105: &Apache::loncommon::start_page('Discussion options',$js); 2106: my $end_page= 2107: &Apache::loncommon::end_page(); 2108: 2109: $r->print(<<END); 2110: $start_page 2111: <form name="modifyshown" method="POST" action="/adm/feedback"> 2112: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2113: <br /><br /> 2114: <table border="0"> 2115: <tr> 2116: <td><b>$lt{'soor'}</b></td> 2117: <td> </td> 2118: <td><b>$lt{'sprs'}</b></td> 2119: <td> </td> 2120: <td><b>$lt{'spur'}</b></td> 2121: <td> </td> 2122: <td><b>$lt{'spse'}</b></td> 2123: <td> </td> 2124: <td><b>$lt{'spgr'}</b></td> 2125: <td> </td> 2126: <td><b>$lt{'psub'}</b></td> 2127: </tr> 2128: <tr> 2129: <td align="center" valign="top"> 2130: <select name="sortposts"> 2131: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2132: <option value="descdate">$sort_types{'descdate'}</option> 2133: <option value="thread">$sort_types{'thread'}</option> 2134: <option value="subject">$sort_types{'subject'}</option> 2135: <option value="username">$sort_types{'username'}</option> 2136: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2137: </select> 2138: </td> 2139: <td> </td> 2140: <td align="center" valign="top"> 2141: <select name="statusfilter"> 2142: <option value="all" selected="selected">$status_types{'all'}</option> 2143: <option value="Active">$status_types{'Active'}</option> 2144: <option value="Expired">$status_types{'Expired'}</option> 2145: <option value="Future">$status_types{'Future'}</option> 2146: </select> 2147: </td> 2148: <td> </td> 2149: <td align="center" valign="top"> 2150: <select name="rolefilter" multiple="true" size="5"> 2151: <option value="all">$role_types{'all'}</option> 2152: <option value="st">$role_types{'st'}</option> 2153: <option value="cc">$role_types{'cc'}</option> 2154: <option value="in">$role_types{'in'}</option> 2155: <option value="ta">$role_types{'ta'}</option> 2156: <option value="ep">$role_types{'ep'}</option> 2157: <option value="cr">$role_types{'cr'}</option> 2158: </select> 2159: </td> 2160: <td> </td> 2161: <td align="center" valign="top"> 2162: <select name="sectionpick" multiple="true" size="$numvisible"> 2163: $section_sel 2164: </select> 2165: </td> 2166: <td> </td> 2167: <td align="center" valign="top"> 2168: <select name="grouppick" multiple="true" size="$numvisible"> 2169: $group_sel 2170: </select> 2171: </td> 2172: <td> </td> 2173: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2174: </tr> 2175: </table> 2176: <br /> 2177: <br /> 2178: <input type="hidden" name="previous" value="$previous" /> 2179: <input type="hidden" name="applysort" value="$symb" /> 2180: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" /> 2181: END 2182: if (exists($env{'form.group'})) { 2183: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2184: } 2185: if (exists($env{'form.ref'})) { 2186: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2187: } 2188: $r->print(" 2189: <br /> 2190: <br /> 2191: </form> 2192: $end_page 2193: "); 2194: } 2195: 2196: sub print_showposters { 2197: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2198: 2199: &Apache::loncommon::content_type($r,'text/html'); 2200: $r->send_http_header; 2201: 2202: &Apache::lonenc::check_encrypt(\$symb); 2203: my $crs='/'.$env{'request.course.id'}; 2204: if ($env{'request.course.sec'}) { 2205: $crs.='_'.$env{'request.course.sec'}; 2206: } 2207: $crs=~s/\_/\//g; 2208: my $seeid; 2209: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2210: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2211: my $group = $env{'form.group'}; 2212: my $ressymb = &wrap_symb($symb); 2213: if (($group ne '') && 2214: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2215: if (&check_group_priv($group,'dgp') eq 'ok') { 2216: $seeid = 1; 2217: } 2218: } else { 2219: $seeid=&Apache::lonnet::allowed('rin',$crs); 2220: } 2221: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2222: $cdom,$cnum); 2223: my %namesort = (); 2224: my %postcounts = (); 2225: 2226: my %lt = &Apache::lonlocal::texthash( 2227: sele => 'Select', 2228: full => 'Fullname', 2229: usdo => 'Username:domain', 2230: post => 'Posts', 2231: ); 2232: if ($contrib{'version'}) { 2233: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2234: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2235: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2236: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2237: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2238: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2239: my $lastname = $names{'lastname'}; 2240: my $firstname = $names{'firstname'}; 2241: if ($lastname eq '') { 2242: $lastname = '_'; 2243: } 2244: if ($firstname eq '') { 2245: $firstname = '_'; 2246: } 2247: unless (defined($namesort{$lastname})) { 2248: %{$namesort{$lastname}} = (); 2249: } 2250: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2251: $postcounts{$poster} ++; 2252: if (defined($namesort{$lastname}{$firstname})) { 2253: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2254: push(@{$namesort{$lastname}{$firstname}}, $poster); 2255: } 2256: } else { 2257: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2258: } 2259: } 2260: } 2261: } 2262: } 2263: 2264: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2265: my $table_start =&Apache::loncommon::start_data_table(); 2266: $r->print(<<END); 2267: $start_page 2268: <form name="pickpostersform" method="post"> 2269: <br /> 2270: $table_start 2271: <tr> 2272: <th>#</th> 2273: <th>$lt{'sele'}</th> 2274: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2275: <th>$lt{'post'}</th> 2276: </tr> 2277: END 2278: my $count = 0; 2279: foreach my $last (sort(keys(%namesort))) { 2280: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2281: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2282: my ($uname,$udom) = split(/:/,$user); 2283: if (!$uname || !$udom) { 2284: next; 2285: } else { 2286: $count ++; 2287: $r->print(&Apache::loncommon::start_data_table_row(). 2288: '<td align="right">'.$count.'</td> 2289: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2290: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2291: <td>'.$postcounts{$user}.'</td>'. 2292: &Apache::loncommon::end_data_table_row()); 2293: } 2294: } 2295: } 2296: } 2297: $r->print(&Apache::loncommon::end_data_table()); 2298: my $end_page = &Apache::loncommon::end_page(); 2299: $r->print(<<END); 2300: <br /> 2301: <input type="hidden" name="sortposts" value="$sortposts" /> 2302: <input type="hidden" name="userpick" value="$symb" /> 2303: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2304: </form> 2305: $end_page 2306: END 2307: } 2308: 2309: sub get_post_versions { 2310: my ($versions,$incoming,$htmldecode,$numver) = @_; 2311: if ($incoming =~ /^<version num="0">/) { 2312: my $p = HTML::LCParser->new(\$incoming); 2313: my $done = 0; 2314: 2315: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2316: my $num = $token->[1]{num}; 2317: my $text = $p->get_text("/version"); 2318: if (defined($numver)) { 2319: if ($num == $numver) { 2320: if ($htmldecode) { 2321: $text = &HTML::Entities::decode($text); 2322: } 2323: $$versions{$numver}=$text; 2324: $done = 1; 2325: } 2326: } else { 2327: if ($htmldecode) { 2328: $text = &HTML::Entities::decode($text); 2329: } 2330: $$versions{$num}=$text; 2331: } 2332: } 2333: } else { 2334: if (!defined($numver)) { 2335: $numver = 0; 2336: } 2337: if ($htmldecode) { 2338: $$versions{$numver} = $incoming; 2339: } else { 2340: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2341: } 2342: } 2343: return; 2344: } 2345: 2346: sub get_post_attachments { 2347: my ($attachments,$attachmenturls) = @_; 2348: my $num; 2349: if ($attachmenturls =~ m/^<attachment id="0">/) { 2350: my $p = HTML::LCParser->new(\$attachmenturls); 2351: while (my $token = $p->get_tag("attachment","filename","post")) { 2352: if ($token->[0] eq "attachment") { 2353: $num = $token->[1]{id}; 2354: %{$$attachments{$num}} =(); 2355: } elsif ($token->[0] eq "filename") { 2356: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2357: } elsif ($token->[0] eq "post") { 2358: my $id = $token->[1]{id}; 2359: $$attachments{$num}{$id} = $p->get_text("/post"); 2360: } 2361: } 2362: } else { 2363: %{$$attachments{'0'}} = (); 2364: $$attachments{'0'}{'filename'} = $attachmenturls; 2365: $$attachments{'0'}{'0'} = 'n'; 2366: } 2367: 2368: return; 2369: } 2370: 2371: sub fail_redirect { 2372: my ($r,$feedurl) = @_; 2373: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2374: my %lt = &Apache::lonlocal::texthash( 2375: 'sorr' => 'Sorry, no recipients ...', 2376: ); 2377: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2378: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2379: {'redirect' => [2,$feedurl], 2380: 'only_body' => 1,})); 2381: $r->print(<<ENDFAILREDIR); 2382: <img align="right" src="$logo" /> 2383: <b>$lt{'sorr'}</b> 2384: ENDFAILREDIR 2385: $r->print(&Apache::loncommon::end_page()); 2386: } 2387: 2388: sub redirect_back { 2389: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_; 2390: my $sorttag = ''; 2391: my $roletag = ''; 2392: my $statustag = ''; 2393: my $sectag = ''; 2394: my $grptag = ''; 2395: my $userpicktag = ''; 2396: my $qrystr = ''; 2397: my $prevtag = ''; 2398: 2399: &Apache::loncommon::content_type($r,'text/html'); 2400: $r->send_http_header; 2401: &dewrapper(\$feedurl); 2402: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2403: if ($previous > 0) { 2404: $qrystr = 'previous='.$previous; 2405: if ($feedurl =~ /\?register=1/) { 2406: $feedurl .= '&'.$qrystr; 2407: } else { 2408: $feedurl .= '?'.$qrystr; 2409: } 2410: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2411: } 2412: if (defined($sort)) { 2413: my $sortqry = 'sortposts='.$sort; 2414: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2415: $feedurl .= '&'.$sortqry; 2416: } else { 2417: $feedurl .= '?'.$sortqry; 2418: } 2419: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2420: if (defined($numpicks)) { 2421: my $userpickqry = 'totposters='.$numpicks; 2422: $feedurl .= '&'.$userpickqry; 2423: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2424: } else { 2425: if (ref($sectionpick) eq 'ARRAY') { 2426: $feedurl .= '&sectionpick='; 2427: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2428: foreach my $sec (@{$sectionpick}) { 2429: $feedurl .= $sec.','; 2430: $sectag .= $sec.','; 2431: } 2432: $feedurl =~ s/,$//; 2433: $sectag =~ s/,$//; 2434: $sectag .= '" />'; 2435: } else { 2436: $feedurl .= '&sectionpick='.$sectionpick; 2437: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2438: } 2439: if (ref($grouppick) eq 'ARRAY') { 2440: $feedurl .= '&grouppick='; 2441: $sectag .= '<input type="hidden" name="grouppick" value="'; 2442: foreach my $grp (@{$grouppick}) { 2443: $feedurl .= $grp.','; 2444: $grptag .= $grp.','; 2445: } 2446: $feedurl =~ s/,$//; 2447: $grptag =~ s/,$//; 2448: $grptag .= '" />'; 2449: } else { 2450: $feedurl .= '&grouppick='.$grouppick; 2451: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2452: } 2453: if (ref($rolefilter) eq 'ARRAY') { 2454: $feedurl .= '&rolefilter='; 2455: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2456: foreach my $role (@{$rolefilter}) { 2457: $feedurl .= $role.','; 2458: $roletag .= $role.','; 2459: } 2460: $feedurl =~ s/,$//; 2461: $roletag =~ s/,$//; 2462: $roletag .= '" />'; 2463: } else { 2464: $feedurl .= '&rolefilter='.$rolefilter; 2465: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2466: } 2467: $feedurl .= '&statusfilter='.$statusfilter; 2468: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2469: } 2470: } 2471: my $grouptag; 2472: if ($group ne '') { 2473: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg; 2474: if (exists($env{'form.ref'})) { 2475: $refarg = '&ref='.$env{'form.ref'}; 2476: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2477: } 2478: if ($feedurl =~ /\?/) { 2479: $feedurl .= '&group='.$group.$refarg; 2480: } else { 2481: $feedurl .= '?group='.$group.$refarg; 2482: } 2483: } 2484: &Apache::lonenc::check_encrypt(\$feedurl); 2485: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2486: my %onload; 2487: if ($env{'environment.remote'} ne 'off') { 2488: $onload{'onload'} = 2489: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2490: } 2491: my $start_page= 2492: &Apache::loncommon::start_page('Feedback sent',undef, 2493: {'redirect' => [0,$feedurl], 2494: 'only_body' => 1, 2495: 'add_entries' => \%onload}); 2496: my $end_page = &Apache::loncommon::end_page(); 2497: $r->print(<<ENDREDIR); 2498: $start_page 2499: <img align="right" src="$logo" /> 2500: $typestyle 2501: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2502: $blog 2503: <font color="red">$status</font> 2504: <form name="reldt" action="$feedurl" target="loncapaclient"> 2505: $prevtag 2506: $sorttag 2507: $statustag 2508: $roletag 2509: $sectag 2510: $grptag 2511: $userpicktag 2512: $grouptag 2513: </form> 2514: $end_page 2515: ENDREDIR 2516: } 2517: 2518: sub no_redirect_back { 2519: my ($r,$feedurl) = @_; 2520: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2521: 2522: my %onload; 2523: if ($env{'environment.remote'} ne 'off') { 2524: $onload{'onload'} = 2525: "if (window.name!='loncapaclient') { self.window.close(); }"; 2526: } 2527: 2528: my %body_options = ('only_body' => 1, 2529: 'bgcolor' => '#FFFFFF', 2530: 'add_entries' => \%onload,); 2531: 2532: if ($feedurl !~ m{^/adm/feedback}) { 2533: $body_options{'rediect'} = [2,$feedurl]; 2534: } 2535: my $start_page= 2536: &Apache::loncommon::start_page('Feedback not sent',undef, 2537: \%body_options); 2538: 2539: my $end_page = &Apache::loncommon::end_page(); 2540: 2541: &Apache::lonenc::check_encrypt(\$feedurl); 2542: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2543: $r->print (<<ENDNOREDIRTWO); 2544: $start_page 2545: <img align="right" src="$logo" /> 2546: <b>$nofeed</b> 2547: <br /> 2548: $end_page 2549: ENDNOREDIRTWO 2550: } 2551: 2552: sub screen_header { 2553: my ($feedurl,$symb) = @_; 2554: my $msgoptions=''; 2555: my $discussoptions=''; 2556: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2557: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2558: $msgoptions= 2559: '<p><label><input type="radio" name="discuss" value="author" /> '. 2560: &mt('Feedback to resource author').'</label></p>'; 2561: } 2562: my %optionhash=(); 2563: foreach my $type ('question','comment','policy') { 2564: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2565: } 2566: if (&feedback_available(1)) { 2567: $msgoptions.= 2568: '<p><label><input type="radio" name="discuss" value="question" /> '. 2569: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2570: } 2571: if (&feedback_available(0,1)) { 2572: $msgoptions.= 2573: '<p><label><input type="radio" name="discuss" value="course" /> '. 2574: ($optionhash{'comment'}?$optionhash{'comment'}:&mt('Question/Comment/Feedback about course content')). 2575: '</label></p>'; 2576: } 2577: if (&feedback_available(0,0,1)) { 2578: $msgoptions.= 2579: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2580: ($optionhash{'policy'}?$optionhash{'policy'}:&mt('Question/Comment/Feedback about course policy')). 2581: '</label></p>'; 2582: } 2583: } 2584: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2585: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2586: if (!$blocked && &discussion_open(undef,$symb) && 2587: &Apache::lonnet::allowed('pch', 2588: $env{'request.course.id'}. 2589: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2590: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2591: &mt('Contribution to course discussion of resource'); 2592: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2593: &mt('Anonymous contribution to course discussion of resource'). 2594: ' <i>('.&mt('name only visible to course faculty').')</i></label> '. 2595: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2596: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2597: if (!$blockblog) { 2598: $discussoptions.= &add_blog_checkbox(); 2599: } 2600: } 2601: } 2602: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2603: if ($discussoptions) { 2604: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2605: return $msgoptions.$discussoptions; 2606: } 2607: 2608: sub resource_output { 2609: my ($feedurl) = @_; 2610: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2611: $usersaw=~s/\<body[^\>]*\>//gi; 2612: $usersaw=~s/\<\/body\>//gi; 2613: $usersaw=~s/\<html\>//gi; 2614: $usersaw=~s/\<\/html\>//gi; 2615: $usersaw=~s/\<head\>//gi; 2616: $usersaw=~s/\<\/head\>//gi; 2617: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2618: return $usersaw; 2619: } 2620: 2621: sub clear_out_html { 2622: my ($message,$override,$ignore_htmlarea)=@_; 2623: if (!$ignore_htmlarea 2624: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2625: # Always allow the <m>-tag 2626: my %html=(M=>1); 2627: # Check if more is allowed 2628: my $cid=$env{'request.course.id'}; 2629: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2630: ($override)) { 2631: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2632: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2633: # <SUP> 2634: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2635: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2636: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2637: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2638: } 2639: # Do the substitution of everything that is not explicitly allowed 2640: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2641: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2642: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2643: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2644: return $message; 2645: } 2646: 2647: sub assemble_email { 2648: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2649: my %lt = &Apache::lonlocal::texthash( 2650: 'prev' => 'Previous attempts of student (if applicable)', 2651: 'orig' => 'Original screen output (if applicable)', 2652: 'corr' => 'Correct Answer(s) (if applicable)', 2653: ); 2654: my $email=<<"ENDEMAIL"; 2655: $message 2656: ENDEMAIL 2657: my $citations=<<"ENDCITE"; 2658: <h2>$lt{'prev'}</h2> 2659: $prevattempts 2660: <br /><hr /> 2661: <h2>$lt{'orig'}</h2> 2662: $usersaw 2663: <h2>$lt{'corr'}</h2> 2664: $useranswer 2665: ENDCITE 2666: return ($email,$citations); 2667: } 2668: 2669: 2670: sub feedback_available { 2671: my ($question,$course,$policy)=@_; 2672: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2673: $course,$policy); 2674: return scalar(%to); 2675: } 2676: 2677: sub send_msg { 2678: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2679: my $status=''; 2680: my $sendsomething=0; 2681: my $restitle = &get_resource_title($symb,$feedurl); 2682: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2683: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2684: foreach my $key (keys(%to)) { 2685: if ($key) { 2686: my ($user,$domain) = split(/\:/,$key,2); 2687: if (!defined($user)) { 2688: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2689: } elsif (!defined($domain)) { 2690: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2691: } else { 2692: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2693: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2694: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2695: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2696: } else { 2697: $sendsomething++; 2698: } 2699: } 2700: } 2701: } 2702: 2703: 2704: my %record=&Apache::lonnet::restore('_feedback'); 2705: my ($temp)=keys(%record); 2706: unless ($temp=~/^error\:/) { 2707: my %newrecord=(); 2708: $newrecord{'resource'}=$feedurl; 2709: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2710: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2711: $status.='<br />'.&mt('Not registered').'<br />'; 2712: } 2713: } 2714: 2715: return ($status,$sendsomething); 2716: } 2717: 2718: sub adddiscuss { 2719: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2720: my $status=''; 2721: my $realsymb; 2722: if ($symb=~/^bulletin___/) { 2723: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2724: $filename=~s|^adm/wrapper/||; 2725: $realsymb=&Apache::lonnet::symbread($filename); 2726: } 2727: if (&discussion_open(undef,$realsymb) && 2728: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2729: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2730: 2731: my %contrib=('message' => $email, 2732: 'sendername' => $env{'user.name'}, 2733: 'senderdomain' => $env{'user.domain'}, 2734: 'screenname' => $env{'environment.screenname'}, 2735: 'plainname' => $env{'environment.firstname'}.' '. 2736: $env{'environment.middlename'}.' '. 2737: $env{'environment.lastname'}.' '. 2738: $env{'enrironment.generation'}, 2739: 'attachmenturl'=> $attachmenturl, 2740: 'subject' => $subject); 2741: if ($env{'form.replydisc'}) { 2742: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2743: } 2744: if ($anon) { 2745: $contrib{'anonymous'}='true'; 2746: } 2747: if (($symb) && ($email)) { 2748: my $now = time; 2749: if ($env{'form.editdisc'}) { 2750: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2751: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2752: $contrib{'timestamp'} = $now; 2753: $contrib{'history'} = ''; 2754: my $numoldver = 0; 2755: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2756: &Apache::lonenc::check_decrypt(\$oldsymb); 2757: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2758: # get timestamp for last post and history 2759: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2760: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2761: $env{'course.'.$env{'request.course.id'}.'.num'}); 2762: if (defined($oldcontrib{$oldidx.':replyto'})) { 2763: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2764: } 2765: if (defined($oldcontrib{$oldidx.':history'})) { 2766: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2767: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2768: $numoldver = @oldversions; 2769: } else { 2770: $numoldver = 1; 2771: } 2772: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2773: } 2774: my $numnewver = $numoldver + 1; 2775: if (defined($oldcontrib{$oldidx.':subject'})) { 2776: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2777: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2778: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2779: } else { 2780: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2781: } 2782: } 2783: if (defined($oldcontrib{$oldidx.':message'})) { 2784: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2785: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2786: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2787: } else { 2788: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2789: } 2790: } 2791: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2792: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2793: $oldsymb,$oldidx,\%contrib, 2794: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2795: $env{'course.'.$env{'request.course.id'}.'.num'}); 2796: $status='Editing class discussion'.($anon?' (anonymous)':''); 2797: } else { 2798: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2799: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2800: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2801: $env{'course.'.$env{'request.course.id'}.'.num'}); 2802: } 2803: my %storenewentry=($symb => $now); 2804: $status.='<br />'.&mt('Updating discussion time').': '. 2805: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2806: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2807: $env{'course.'.$env{'request.course.id'}.'.num'}); 2808: } 2809: my %record=&Apache::lonnet::restore('_discussion'); 2810: my ($temp)=keys(%record); 2811: unless ($temp=~/^error\:/) { 2812: my %newrecord=(); 2813: $newrecord{'resource'}=$symb; 2814: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2815: $status.='<br />'.&mt('Registering').': '. 2816: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2817: } 2818: } else { 2819: $status.='Failed.'; 2820: } 2821: return $status.'<br />'; 2822: } 2823: 2824: sub get_discussion_info { 2825: my ($idx,%contrib) = @_; 2826: my $changelast = 0; 2827: my $count = 0; 2828: my $hiddenflag = 0; 2829: my $deletedflag = 0; 2830: my ($hidden,$deleted,%info,$newlastdisc); 2831: my $version = $contrib{'version'}; 2832: if ($version) { 2833: for (my $id=$version; $id>0; $id--) { 2834: my $vkeys=$contrib{$id.':keys'}; 2835: my @keys=split(/:/,$vkeys); 2836: if (grep(/^hidden$/,@keys)) { 2837: if (!$hiddenflag) { 2838: $hidden = $contrib{$id.':hidden'}; 2839: $hiddenflag = 1; 2840: } 2841: } elsif (grep(/^deleted$/,@keys)) { 2842: if (!$deletedflag) { 2843: $deleted = $contrib{$id.':deleted'}; 2844: $deletedflag = 1; 2845: } 2846: } else { 2847: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2848: $count++; 2849: $info{$count}{'id'} = $id; 2850: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2851: } 2852: } 2853: } 2854: if ($info{'1'}{'id'} == $idx) { 2855: $changelast = 1; 2856: if ($count > 1) { 2857: $newlastdisc = $info{'2'}{'timestamp'}; 2858: } else { 2859: $newlastdisc = 0; 2860: } 2861: } 2862: } 2863: return ($changelast,$newlastdisc); 2864: } 2865: 2866: # ----------------------------------------------------------- Preview function 2867: 2868: sub show_preview { 2869: my ($r) = @_; 2870: &Apache::loncommon::content_type($r,'text/html'); 2871: $r->send_http_header; 2872: my $start_page= 2873: &Apache::loncommon::start_page('Preview',undef, 2874: {'only_body' => 1,}); 2875: 2876: my $message=&clear_out_html($env{'form.comment'}); 2877: &newline_to_br(\$message); 2878: $message=&Apache::lonspeller::markeduptext($message); 2879: $message=&Apache::lontexconvert::msgtexconverted($message); 2880: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2881: $subject=~s/\n/\<br \/\>/g; 2882: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2883: 2884: my $end_page = &Apache::loncommon::end_page(); 2885: 2886: $r->print($start_page.'<table border="2"><tr><td>'. 2887: '<b>'.&mt('Subject').':</b> '.$subject.'<br /><br />'. 2888: $message.'</td></tr></table>'.$end_page); 2889: } 2890: 2891: 2892: sub newline_to_br { 2893: my ($message)=@_; 2894: my $newmessage; 2895: my $parser=HTML::LCParser->new($message); 2896: while (my $token=$parser->get_token()) { 2897: if ($token->[0] eq 'T') { 2898: my $text=$token->[1]; 2899: $text=~s/\n/\<br \/\>/g; 2900: $newmessage.=$text; 2901: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2902: $newmessage.=$token->[1]; 2903: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2904: $newmessage.=$token->[2]; 2905: } elsif ($token->[0] eq 'S') { 2906: $newmessage.=$token->[4]; 2907: } 2908: 2909: } 2910: $$message=$newmessage; 2911: } 2912: 2913: sub generate_preview_button { 2914: my ($formname,$fieldname)=@_; 2915: unless ($formname) { $formname='mailform'; } 2916: unless ($fieldname) { $fieldname='comment'; } 2917: my $pre=&mt("Show Preview and Check Spelling"); 2918: return(<<ENDPREVIEW); 2919: <br /> 2920: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2921: <input type="hidden" name="subject"> 2922: <input type="hidden" name="comment" /> 2923: <input type="button" value="$pre" 2924: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 2925: </form> 2926: ENDPREVIEW 2927: } 2928: 2929: sub modify_attachments { 2930: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_; 2931: 2932: my %lt = &Apache::lonlocal::texthash( 2933: 'subj' => 'Subject', 2934: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 2935: 'chth' => 'Check the checkboxes for any you wish to remove.', 2936: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 2937: 'adda' => 'Add a new attachment to this post.', 2938: 'stch' => 'Store Changes', 2939: ); 2940: my $js = <<END; 2941: <script type="text/javascript"> 2942: function setAction () { 2943: document.modattachments.action = document.modattachments.origpage.value; 2944: document.modattachments.submit(); 2945: } 2946: </script> 2947: END 2948: 2949: my $start_page = 2950: &Apache::loncommon::start_page('Discussion Post Attachments',$js); 2951: 2952: my $orig_subject = &unescape($env{'form.subject'}); 2953: my $subject=&clear_out_html($orig_subject,undef,1); 2954: $subject=~s/\n/\<br \/\>/g; 2955: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2956: my $timestamp=$env{'form.timestamp'}; 2957: my $numoldver=$env{'form.numoldver'}; 2958: 2959: my $msg = ''; 2960: my %attachments = (); 2961: my %currattach = (); 2962: if ($idx) { 2963: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2964: } 2965: &Apache::lonenc::check_encrypt(\$symb); 2966: 2967: my $end_page = 2968: &Apache::loncommon::end_page(); 2969: 2970: $r->print(<<END); 2971: $start_page 2972: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2973: <table border="2"> 2974: <tr> 2975: <td> 2976: <b>Subject:</b> $subject</b><br /><br /> 2977: END 2978: if ($idx) { 2979: if ($attachmenturls) { 2980: my @currold = keys(%currattach); 2981: if (@currold > 0) { 2982: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 2983: foreach my $id (@currold) { 2984: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 2985: $attachurl =~ m#/([^/]+)$#; 2986: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 2987: } 2988: $r->print("<br />"); 2989: } 2990: } 2991: } 2992: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 2993: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 2994: foreach my $attach (@{$currnewattach}) { 2995: $attach =~ m#/([^/]+)$#; 2996: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 2997: } 2998: $r->print("<br />"); 2999: } 3000: $r->print(<<END); 3001: $lt{'adda'} <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 3002: </td> 3003: </tr> 3004: </table> 3005: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3006: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3007: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3008: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3009: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3010: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3011: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3012: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3013: END 3014: foreach my $item (@{$currnewattach}) { 3015: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3016: } 3017: foreach my $item (@{$currdelold}) { 3018: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3019: } 3020: $r->print(<<END); 3021: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/> 3022: </form> 3023: $end_page 3024: END 3025: return; 3026: } 3027: 3028: sub process_attachments { 3029: my ($currnewattach,$currdelold,$keepold) = @_; 3030: 3031: @{$currnewattach}= 3032: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3033: @{$currdelold}= 3034: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3035: if (exists($env{'form.delnewattach'})) { 3036: my @currdelnew = 3037: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3038: my @currnew = (); 3039: foreach my $newone (@{$currnewattach}) { 3040: my $delflag = 0; 3041: foreach my $item (@currdelnew) { 3042: if ($newone eq $item) { 3043: $delflag = 1; 3044: last; 3045: } 3046: } 3047: unless ($delflag) { 3048: push(@currnew, $newone); 3049: } 3050: } 3051: @{$currnewattach} = @currnew; 3052: } 3053: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3054: } 3055: 3056: sub generate_attachments_button { 3057: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3058: $numoldver,$mode,$blockblog) = @_; 3059: my $origpage = $ENV{'REQUEST_URI'}; 3060: my $att=$attachnum.' '.&mt("attachments"); 3061: my %lt = &Apache::lonlocal::texthash( 3062: 'clic' => 'Click to add/remove attachments', 3063: ); 3064: my $response = (<<END); 3065: <br /> 3066: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3067: $lt{'clic'}: <input type="button" value="$att" 3068: 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); 3069: END 3070: if (!$blockblog) { 3071: $response .= 'setblogvalue();'; 3072: } 3073: unless ($mode eq 'board') { 3074: $response .= 'javascript:anonchk();'; 3075: } 3076: $response .= (<<ENDATTACH); 3077: this.form.submit();" /> 3078: <input type="hidden" name="origpage" value="$origpage" /> 3079: <input type="hidden" name="idx" value="$idx" /> 3080: <input type="hidden" name="timestamp" value="$now" /> 3081: <input type="hidden" name="subject" /> 3082: <input type="hidden" name="comment" /> 3083: <input type="hidden" name="blog" value = "0" /> 3084: <input type="hidden" name="discuss" value = "0" /> 3085: <input type="hidden" name="numoldver" value="$numoldver" /> 3086: ENDATTACH 3087: if (defined($deloldattach)) { 3088: if (@{$deloldattach} > 0) { 3089: foreach my $delatt (@{$deloldattach}) { 3090: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3091: } 3092: } 3093: } 3094: if (defined($currnewattach)) { 3095: if (@{$currnewattach} > 0) { 3096: foreach my $attach (@{$currnewattach}) { 3097: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3098: } 3099: } 3100: } 3101: $response .= '</form>'; 3102: return $response; 3103: } 3104: 3105: sub extract_attachments { 3106: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3107: %{$attachments}=(); 3108: &get_post_attachments($attachments,$attachmenturls); 3109: foreach my $id (sort(keys(%{$attachments}))) { 3110: if (exists($$attachments{$id}{$numoldver})) { 3111: if (defined($currdelold)) { 3112: if (@{$currdelold} > 0) { 3113: unless (grep/^$id$/,@{$currdelold}) { 3114: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3115: } 3116: } else { 3117: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3118: } 3119: } else { 3120: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3121: } 3122: } 3123: } 3124: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3125: if (@attached == 1) { 3126: my $id = $attached[0]; 3127: my $attachurl; 3128: if ($attachmenturls =~ m/^<attachment id="0">/) { 3129: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3130: } else { 3131: $attachurl = $$attachments{$id}{'filename'}; 3132: } 3133: $attachurl=~m|/([^/]+)$|; 3134: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3135: $1.'</tt></a><br />'; 3136: &Apache::lonnet::allowuploaded('/adm/feedback', 3137: $attachurl); 3138: } elsif (@attached > 1) { 3139: $$message.='<ol>'; 3140: foreach my $attach (@attached) { 3141: my $id = $attach; 3142: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3143: my ($fname) 3144: =($attachurl=~m|/([^/]+)$|); 3145: $$message .= '<li><a href="'.$attachurl. 3146: '"><tt>'. 3147: $fname.'</tt></a></li>'; 3148: &Apache::lonnet::allowuploaded('/adm/feedback', 3149: $attachurl); 3150: } 3151: $$message .= '</ol>'; 3152: } 3153: } 3154: 3155: sub construct_attachmenturl { 3156: my ($currnewattach,$keepold,$symb,$idx)=@_; 3157: my $oldattachmenturl; 3158: my $newattachmenturl; 3159: my $startnum = 0; 3160: my $currver = 0; 3161: if (($env{'form.editdisc'}) && ($idx)) { 3162: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3163: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3164: $env{'course.'.$env{'request.course.id'}.'.num'}); 3165: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3166: if ($contrib{$idx.':history'}) { 3167: if ($contrib{$idx.':history'} =~ /:/) { 3168: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3169: $currver = 1 + scalar(@oldversions); 3170: } else { 3171: $currver = 2; 3172: } 3173: } else { 3174: $currver = 1; 3175: } 3176: if ($oldattachmenturl) { 3177: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3178: my %attachments = (); 3179: my $prevver = $currver-1; 3180: &get_post_attachments(\%attachments,$oldattachmenturl); 3181: my $numattach = scalar(keys(%attachments)); 3182: $startnum += $numattach; 3183: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3184: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3185: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3186: unless ($item eq 'filename') { 3187: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3188: } 3189: } 3190: if (grep/^$num$/,@{$keepold}) { 3191: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3192: } 3193: $newattachmenturl .= '</attachment>'; 3194: } 3195: } else { 3196: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3197: unless (grep/^0$/,@{$keepold}) { 3198: $newattachmenturl .= '<post id="1">n</post>'; 3199: } 3200: $newattachmenturl .= '</attachment>'; 3201: $startnum ++; 3202: } 3203: } 3204: } 3205: for (my $i=0; $i<@{$currnewattach}; $i++) { 3206: my $attachnum = $startnum + $i; 3207: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3208: } 3209: return $newattachmenturl; 3210: } 3211: 3212: sub add_blog_checkbox { 3213: my ($checkstatus); 3214: if ($env{'form.blog'}) { 3215: $checkstatus = 'checked="checked"'; 3216: } 3217: my $output = ' 3218: <script type="text/javascript"> 3219: function setblogvalue() { 3220: if (document.mailform.blog.checked) { 3221: document.attachment.blog.value = 1; 3222: } else { 3223: document.attachment.blog.value = 0; 3224: } 3225: } 3226: </script><br /> 3227: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '. 3228: &mt('Add to my public course blog').'</label><br />'."\n"; 3229: return $output; 3230: } 3231: 3232: sub has_discussion { 3233: my $resourcesref = shift; 3234: my $navmap = Apache::lonnavmaps::navmap->new(); 3235: my @allres=$navmap->retrieveResources(); 3236: foreach my $resource (@allres) { 3237: if ($resource->hasDiscussion()) { 3238: my $ressymb = $resource->wrap_symb(); 3239: push(@{$resourcesref}, $ressymb); 3240: } 3241: } 3242: return; 3243: } 3244: 3245: sub sort_filter_names { 3246: my ($sort_types,$role_types,$status_types) = @_; 3247: %{$sort_types} = ( 3248: ascdate => 'Date order - oldest first', 3249: descdate => 'Date order - newest first', 3250: thread => 'Threaded', 3251: subject => 'By subject', 3252: username => 'By domain and username', 3253: lastfirst => 'By last name, first name' 3254: ); 3255: %{$role_types} = ( 3256: all => 'All roles', 3257: st => 'Students', 3258: cc => 'Course Coordinators', 3259: in => 'Instructors', 3260: ta => 'TAs', 3261: ep => 'Exam proctors', 3262: ad => 'Administrators', 3263: cr => 'Custom roles' 3264: ); 3265: %{$status_types} = ( 3266: all => 'Roles of any status', 3267: Active => 'Only active roles', 3268: Expired => 'Only past roles', 3269: Future => 'Only future roles', 3270: ); 3271: } 3272: 3273: sub handler { 3274: my $r = shift; 3275: if ($r->header_only) { 3276: &Apache::loncommon::content_type($r,'text/html'); 3277: $r->send_http_header; 3278: return OK; 3279: } 3280: 3281: # --------------------------- Get query string for limited number of parameters 3282: 3283: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3284: ['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']); 3285: my $group = $env{'form.group'}; 3286: if ($env{'form.editdisc'}) { 3287: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3288: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3289: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3290: my $feedurl=&Apache::lonnet::clutter($url); 3291: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3292: undef,undef,undef,$group); 3293: return OK; 3294: } 3295: } 3296: if ($env{'form.discsymb'}) { 3297: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3298: my $readkey = $symb.'_read'; 3299: my $chgcount = 0; 3300: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3301: foreach my $key (keys(%env)) { 3302: if ($key =~ m/^form\.postunread_(\d+)/) { 3303: if ($readinghash{$readkey} =~ /\.$1\./) { 3304: $readinghash{$readkey} =~ s/\.$1\.//; 3305: $chgcount ++; 3306: } 3307: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3308: unless ($readinghash{$readkey} =~ /\.$1\./) { 3309: $readinghash{$readkey} .= '.'.$1.'.'; 3310: $chgcount ++; 3311: } 3312: } 3313: } 3314: if ($chgcount > 0) { 3315: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3316: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3317: } 3318: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3319: '0','0','','',$env{'form.previous'},'','','', 3320: undef,undef,undef,$group); 3321: return OK; 3322: } 3323: if ($env{'form.allversions'}) { 3324: &Apache::loncommon::content_type($r,'text/html'); 3325: &Apache::loncommon::no_cache($r); 3326: $r->send_http_header; 3327: 3328: $r->print(&Apache::loncommon::start_page('Discussion Post Versions')); 3329: 3330: my $crs='/'.$env{'request.course.id'}; 3331: if ($env{'request.course.sec'}) { 3332: $crs.='_'.$env{'request.course.sec'}; 3333: } 3334: $crs=~s|_|/|g; 3335: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3336: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3337: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3338: ($symb)=&get_feedurl_and_clean_symb($symb); 3339: my $ressymb = &wrap_symb($symb); 3340: my $group = $env{'form.group'}; 3341: my $seeid; 3342: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3343: if (&check_group_priv($group,'dgp') eq 'ok') { 3344: $seeid = 1; 3345: } 3346: } else { 3347: $seeid = &Apache::lonnet::allowed('rin',$crs); 3348: } 3349: if ($idx > 0) { 3350: my %messages = (); 3351: my %subjects = (); 3352: my %attachmsgs = (); 3353: my %allattachments = (); 3354: my %imsfiles = (); 3355: my ($screenname,$plainname); 3356: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3357: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3358: $env{'course.'.$env{'request.course.id'}.'.num'}); 3359: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3360: } 3361: $r->print(&Apache::loncommon::end_page()); 3362: return OK; 3363: } 3364: if ($env{'form.posterlist'}) { 3365: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3366: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3367: $env{'form.sortposts'}); 3368: return OK; 3369: } 3370: if ($env{'form.userpick'}) { 3371: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3372: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3373: my $numpicks = @posters; 3374: my %discinfo; 3375: $discinfo{$symb.'_userpick'} = join('&',@posters); 3376: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3377: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3378: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3379: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3380: '',$numpicks,$group); 3381: return OK; 3382: } 3383: if ($env{'form.applysort'}) { 3384: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3385: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3386: '',$env{'form.previous'},$env{'form.sortposts'}, 3387: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3388: $env{'form.sectionpick'},$env{'form.grouppick'}, 3389: undef,$group); 3390: return OK; 3391: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3392: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3393: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3394: return OK; 3395: } elsif ($env{'form.navtime'}) { 3396: my %discinfo = (); 3397: my @resources = (); 3398: if (defined($env{'form.navmaps'})) { 3399: if ($env{'form.navmaps'} =~ /:/) { 3400: @resources = split(/:/,$env{'form.navmaps'}); 3401: } else { 3402: @resources = ("$env{'form.navmaps'}"); 3403: } 3404: } else { 3405: &has_discussion(\@resources); 3406: } 3407: my $numitems = @resources; 3408: my $feedurl = '/adm/navmaps'; 3409: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3410: my %lt = &Apache::lonlocal::texthash( 3411: 'mnpa' => 'Marked "New" posts as read in a total of', 3412: 'robb' => 'resources/bulletin boards.', 3413: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.' 3414: ); 3415: foreach my $res (@resources) { 3416: my $ressymb=$res; 3417: &Apache::lonenc::check_decrypt(\$ressymb); 3418: my $lastkey = $ressymb.'_lastread'; 3419: $discinfo{$lastkey} = $env{'form.navtime'}; 3420: } 3421: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3422: if ($numitems > 0) { 3423: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3424: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3425: } else { 3426: $textline = "<b>$lt{'twnp'}</b>"; 3427: } 3428: &Apache::loncommon::content_type($r,'text/html'); 3429: $r->send_http_header; 3430: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3431: my %onload; 3432: if ($env{'environment.remote'} ne 'off') { 3433: $onload{'onload'} = 3434: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3435: } 3436: 3437: my $start_page= 3438: &Apache::loncommon::start_page('New posts marked as read',undef, 3439: {'redirect' => [2,$feedurl], 3440: 'only_body' => 1, 3441: 'add_entries' => \%onload}); 3442: my $end_page = &Apache::loncommon::end_page(); 3443: $r->print (<<ENDREDIR); 3444: $start_page 3445: <img align="right" src="$logo" /> 3446: $textline 3447: <form name="reldt" action="$feedurl" target="loncapaclient"> 3448: </form> 3449: <br /> 3450: $end_page 3451: ENDREDIR 3452: return OK; 3453: } elsif ($env{'form.modifydisp'}) { 3454: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3455: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3456: split(/_/,$env{'form.changes'}); 3457: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3458: $dispchgB,$markchg,$toggchg,$feedurl); 3459: return OK; 3460: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3461: $env{'form.allposts'} || $env{'form.onlyunread'} || 3462: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3463: $env{'form.toggon'} || $env{'form.markread'}) { 3464: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3465: my %discinfo; 3466: # ------------------------ Modify setting for read/unread toggle for each post 3467: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3468: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3469: # --------- Modify setting for identification of 'NEW' posts in this discussion 3470: if ($env{'form.markondisp'}) { 3471: $discinfo{$symb.'_lastread'} = time; 3472: $discinfo{$symb.'_markondisp'} = 1; 3473: } 3474: if ($env{'form.markonread'}) { 3475: if ( $env{'form.previous'} > 0 ) { 3476: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3477: } 3478: $discinfo{$symb.'_markondisp'} = 0; 3479: } 3480: # --------------------------------- Modify display setting for this discussion 3481: if ($env{'form.allposts'}) { 3482: $discinfo{$symb.'_showonlyunread'} = 0; 3483: $discinfo{$symb.'_showonlyunmark'} = 0; 3484: } 3485: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3486: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3487: # ----------------------------------------------------- Mark new posts not NEW 3488: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3489: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3490: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3491: my $previous=$env{'form.previous'}; 3492: if ($env{'form.markondisp'}) { $previous=undef; } 3493: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3494: '0','0','','',$previous,'','','','','','',$group); 3495: return OK; 3496: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3497: # ----------------------------------------------------------------- Hide/unhide 3498: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3499: my ($symb,$idx)=split(/\:\:\:/,$entry); 3500: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3501: 3502: my $crs='/'.$env{'request.course.id'}; 3503: if ($env{'request.course.sec'}) { 3504: $crs.='_'.$env{'request.course.sec'}; 3505: } 3506: $crs=~s/\_/\//g; 3507: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3508: 3509: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3510: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3511: undef,undef,$group,); 3512: return OK; 3513: } 3514: 3515: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3516: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3517: $env{'course.'.$env{'request.course.id'}.'.num'}); 3518: 3519: my $currenthidden=$contrib{'hidden'}; 3520: my $currentstudenthidden=$contrib{'studenthidden'}; 3521: 3522: if ($env{'form.hide'}) { 3523: $currenthidden.='.'.$idx.'.'; 3524: unless ($seeid) { 3525: $currentstudenthidden.='.'.$idx.'.'; 3526: } 3527: } else { 3528: $currenthidden=~s/\.$idx\.//g; 3529: } 3530: my %newhash=('hidden' => $currenthidden); 3531: if ( ($env{'form.hide'}) && (!$seeid) ) { 3532: $newhash{'studenthidden'} = $currentstudenthidden; 3533: } 3534: if ($env{'form.hide'}) { 3535: my $changelast = 0; 3536: my $newlast; 3537: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3538: if ($changelast) { 3539: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3540: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3541: $env{'course.'.$env{'request.course.id'}.'.num'}); 3542: } 3543: } 3544: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3545: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3546: $env{'course.'.$env{'request.course.id'}.'.num'}); 3547: 3548: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3549: '0','0','','',$env{'form.previous'},undef,undef,undef, 3550: undef,undef,undef,$group); 3551: return OK; 3552: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3553: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3554: if ($env{'form.cmd'} eq 'threadedon') { 3555: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3556: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on'); 3557: } else { 3558: &Apache::lonnet::del('environment',['threadeddiscussion']); 3559: &Apache::lonnet::delenv('environment\.threadeddiscussion'); 3560: } 3561: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3562: '0','0','','',$env{'form.previous'},undef,undef,undef, 3563: undef,undef,undef,$group); 3564: return OK; 3565: } elsif ($env{'form.deldisc'}) { 3566: # --------------------------------------------------------------- Hide for good 3567: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3568: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3569: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3570: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3571: $env{'course.'.$env{'request.course.id'}.'.num'}); 3572: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3573: if ($changelast) { 3574: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3575: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3576: } 3577: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3578: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3579: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3580: $env{'course.'.$env{'request.course.id'}.'.num'}); 3581: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3582: '0','0','','',$env{'form.previous'},undef,undef,undef, 3583: undef,undef,undef,$group); 3584: return OK; 3585: } elsif ($env{'form.preview'}) { 3586: # -------------------------------------------------------- User wants a preview 3587: &show_preview($r); 3588: return OK; 3589: } elsif ($env{'form.attach'}) { 3590: # -------------------------------------------------------- Work on attachments 3591: &Apache::loncommon::content_type($r,'text/html'); 3592: $r->send_http_header; 3593: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3594: my (@currnewattach,@currdelold,@keepold); 3595: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3596: if (exists($env{'form.addnewattach.filename'})) { 3597: unless (length($env{'form.addnewattach'})>131072) { 3598: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3599: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3600: push(@currnewattach, $newattachment); 3601: } 3602: } 3603: my $attachmenturls; 3604: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3605: my $idx = $env{'form.idx'}; 3606: if ($idx) { 3607: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3608: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3609: $env{'course.'.$env{'request.course.id'}.'.num'}); 3610: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3611: } 3612: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3613: $attachmenturls); 3614: return OK; 3615: } elsif ($env{'form.export'}) { 3616: &Apache::loncommon::content_type($r,'text/html'); 3617: $r->send_http_header; 3618: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3619: my $mode='board'; 3620: my $status='OPEN'; 3621: my $previous=$env{'form.previous'}; 3622: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3623: $mode='problem'; 3624: $status=$Apache::inputtags::status[-1]; 3625: } 3626: my $discussion = &list_discussion($mode,$status,$symb); 3627: my $start_page = 3628: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3629: my $end_page = 3630: &Apache::loncommon::end_page(); 3631: $r->print($start_page.$discussion.$end_page); 3632: return OK; 3633: } else { 3634: # ------------------------------------------------------------- Normal feedback 3635: my $feedurl=$env{'form.postdata'}; 3636: $feedurl=~s/^http\:\/\///; 3637: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3638: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3639: $feedurl=~s/\?.+$//; 3640: 3641: my $symb; 3642: if ($env{'form.replydisc'}) { 3643: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3644: } elsif ($env{'form.editdisc'}) { 3645: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3646: } elsif ($env{'form.origpage'}) { 3647: $symb=""; 3648: } else { 3649: $symb=&Apache::lonnet::symbread($feedurl); 3650: } 3651: unless ($symb) { 3652: $symb=$env{'form.symb'}; 3653: } 3654: if (defined($symb)) { 3655: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3656: } else { 3657: # backward compatibility (bulletin boards used to be 'wrapped') 3658: &Apache::lonenc::check_decrypt(\$feedurl); 3659: &dewrapper(\$feedurl); 3660: } 3661: my $goahead=1; 3662: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3663: unless ($symb) { $goahead=0; } 3664: } 3665: if (!$goahead) { 3666: # Ambiguous Problem Resource 3667: $r->internal_redirect('/adm/ambiguous'); 3668: return OK; 3669: } 3670: # Go ahead with feedback, no ambiguous reference 3671: unless ( 3672: ( 3673: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3674: ) 3675: || 3676: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3677: || 3678: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3679: ) { 3680: &Apache::loncommon::content_type($r,'text/html'); 3681: $r->send_http_header; 3682: # Unable to give feedback 3683: &Apache::lonenc::check_encrypt(\$feedurl); 3684: &no_redirect_back($r,$feedurl); 3685: return OK; 3686: } 3687: # --------------------------------------------------- Print login screen header 3688: unless ($env{'form.sendit'}) { 3689: &Apache::lonenc::check_encrypt(\$feedurl); 3690: &Apache::loncommon::content_type($r,'text/html'); 3691: $r->send_http_header; 3692: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3693: my ($blocked,$blocktext) = 3694: &Apache::loncommon::blocking_status('boards'); 3695: if ($blocked) { 3696: $r->print(&blocked_reply_or_edit($blocktext)); 3697: return OK; 3698: } 3699: } 3700: my $options=&screen_header($feedurl,$symb); 3701: if ($options) { 3702: &mail_screen($r,$feedurl,$options,$symb); 3703: } else { 3704: &fail_redirect($r,$feedurl); 3705: } 3706: return OK; 3707: } 3708: 3709: # Get previous user input 3710: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3711: $symb,$env{'user.name'},$env{'user.domain'}, 3712: $env{'request.course.id'}); 3713: 3714: # Get output from resource 3715: &Apache::lonenc::check_encrypt(\$feedurl); 3716: my $usersaw=&resource_output($feedurl); 3717: 3718: # Get resource answer (need to allow student to view grades for this to work) 3719: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 3720: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3721: my $useranswer= 3722: &Apache::loncommon::get_student_answers( 3723: $usersymb,$env{'user.name'},$env{'user.domain'}, 3724: $env{'request.course.id'}); 3725: &Apache::lonnet::delenv('allowed.vgr'); 3726: # Get attachments, if any, and not too large 3727: my $attachmenturl=''; 3728: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3729: ($env{'form.replydisc'})) { 3730: my ($symb,$idx); 3731: if ($env{'form.replydisc'}) { 3732: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3733: } elsif ($env{'form.editdisc'}) { 3734: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3735: } elsif ($env{'form.origpage'}) { 3736: $symb = $env{'form.symb'}; 3737: } 3738: &Apache::lonenc::check_decrypt(\$symb); 3739: my @currnewattach = (); 3740: my @deloldattach = (); 3741: my @keepold = (); 3742: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3743: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3744: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3745: } elsif ($env{'form.attachment.filename'}) { 3746: unless (length($env{'form.attachment'})>131072) { 3747: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback'); 3748: } 3749: } 3750: # Filter HTML out of message (could be nasty) 3751: my $message=&clear_out_html($env{'form.comment'}); 3752: 3753: # Assemble email 3754: my ($email,$citations)=&assemble_email($message,$prevattempts, 3755: $usersaw,$useranswer); 3756: 3757: # Who gets this? 3758: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3759: 3760: # Actually send mail 3761: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3762: undef,1), 3763: $feedurl,$email,$citations, 3764: $attachmenturl,$usersymb,%to); 3765: 3766: # Discussion? Store that. 3767: my $numpost=0; 3768: if ( ($env{'form.discuss'} ne '' 3769: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3770: || $env{'form.anondiscuss'} ne '') { 3771: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3772: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3773: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3774: $subject); 3775: $numpost++; 3776: } 3777: 3778: # Add to blog? 3779: 3780: my $blog=''; 3781: if ($env{'form.blog'}) { 3782: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3783: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3784: $env{'user.domain'}, 3785: 'CourseBlog_'.$env{'request.course.id'}, 3786: $subject,$message,$feedurl,'public'); 3787: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3788: } 3789: 3790: # Receipt screen and redirect back to where came from 3791: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group); 3792: } 3793: return OK; 3794: } 3795: 3796: sub blocked_reply_or_edit { 3797: my ($blocktext) = @_; 3798: return 3799: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3800: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3801: &mt('Back to previous page'). 3802: &Apache::loncommon::end_page(); 3803: } 3804: 3805: sub wrap_symb { 3806: my ($ressymb)=@_; 3807: if ($ressymb =~ /bulletin___\d+___/) { 3808: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3809: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3810: } 3811: } 3812: return $ressymb; 3813: } 3814: sub dewrapper { 3815: my ($feedurl)=@_; 3816: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3817: $$feedurl=~s|^/adm/wrapper||; 3818: } 3819: } 3820: 3821: sub get_feedurl { 3822: my ($symb)=@_; 3823: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3824: my $feedurl = &Apache::lonnet::clutter($url); 3825: &dewrapper(\$feedurl); 3826: return $feedurl; 3827: } 3828: 3829: sub get_feedurl_and_clean_symb { 3830: my ($symb)=@_; 3831: &Apache::lonenc::check_decrypt(\$symb); 3832: # backward compatibility (bulletin boards used to be 'wrapped') 3833: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3834: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3835: } 3836: my $feedurl = &get_feedurl($symb); 3837: return ($symb,$feedurl); 3838: } 3839: 3840: sub editing_allowed { 3841: my ($postid,$group) = @_; 3842: $postid = &unescape($postid); 3843: my $can_edit = 0; 3844: if ($group ne '') { 3845: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3846: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3847: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3848: if (&check_group_priv($group,'egp') eq 'ok') { 3849: $can_edit = 1; 3850: } 3851: return $can_edit; 3852: } 3853: } 3854: my $cid = $env{'request.course.id'}; 3855: my $role = (split(/\./,$env{'request.role'}))[0]; 3856: my $section = $env{'request.course.sec'}; 3857: my $allow_editing_config = 3858: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 3859: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 3860: $can_edit = 1; 3861: } else { 3862: foreach my $editor (split(/,/,$allow_editing_config)) { 3863: my ($editor_role,$editor_sec) = split(/:/,$editor); 3864: if ($editor_role eq $role 3865: && defined($editor_sec) 3866: && defined($section) 3867: && $editor_sec eq $section) { 3868: $can_edit = 1; 3869: last; 3870: } 3871: if ($editor_role eq $role 3872: && !defined($editor_sec)) { 3873: $can_edit = 1; 3874: } 3875: } 3876: } 3877: return $can_edit; 3878: } 3879: 3880: sub check_group_priv { 3881: my ($group,$grp_priv) = @_; 3882: foreach my $priv ('mdg','vcg') { 3883: my $checkcourse = $env{'request.course.id'}. 3884: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 3885: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 3886: return 'ok'; 3887: } 3888: } 3889: if ($grp_priv && $group ne '') { 3890: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 3891: return 'ok'; 3892: } 3893: } 3894: return ''; 3895: } 3896: 3897: sub group_args { 3898: my ($group) = @_; 3899: if ($group eq '') { return ''; } 3900: my $extra_args = '&group='.$group; 3901: if (exists($env{'form.ref'})) { 3902: $extra_args .= '&ref='.$env{'form.ref'}; 3903: } 3904: return $extra_args; 3905: } 3906: 3907: sub get_resource_title { 3908: my ($symb,$feedurl) = @_; 3909: my ($restitle,$plainurl); 3910: if (defined($symb)) { 3911: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 3912: $restitle = &Apache::lonnet::gettitle($plain_symb); 3913: } 3914: if (defined($feedurl)) { 3915: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 3916: } 3917: if (!defined($restitle)) { 3918: if (defined($feedurl)) { 3919: $restitle = &Apache::lonnet::gettitle($plainurl); 3920: } 3921: } 3922: if ($plainurl ne $feedurl) { 3923: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 3924: if ($plain_filename eq $restitle) { 3925: $restitle = &mt('Untitled resource'); 3926: } 3927: } 3928: if ($restitle eq '') { 3929: $restitle = &mt('Untitled resource'); 3930: } 3931: return $restitle; 3932: } 3933: 3934: 1; 3935: __END__