loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.250: download - view: text, annotated - select for diffs
Fri Aug 10 00:02:08 2007 UTC (17 years, 2 months ago) by albertel
Branches: MAIN
CVS tags: version_2_5_X, version_2_5_2, version_2_5_1, version_2_5_0, HEAD

- BUG#5364

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.250 2007/08/10 00:02:08 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 '<br />'.&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('Save 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="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 885: } 886: } 887: $postingform .= $newattachmsg; 888: $postingform .= &generate_preview_button(); 889: } 890: return $postingform; 891: } 892: 893: sub build_posting_display { 894: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 895: my @original=(); 896: my @index=(); 897: my $skip_group_check = 0; 898: my $symb=&Apache::lonenc::check_decrypt($ressymb); 899: my $escsymb=&escape($ressymb); 900: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 901: $env{'course.'.$env{'request.course.id'}.'.domain'}, 902: $env{'course.'.$env{'request.course.id'}.'.num'}); 903: 904: my $see_anonymous = 905: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 906: 907: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 908: $skip_group_check = 1; 909: } 910: if ($contrib{'version'}) { 911: my $oldest = $contrib{'1:timestamp'}; 912: if ($prevread eq '0') { 913: $prevread = $oldest-1; 914: } 915: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 916: if ($sortposts) { 917: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 918: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 919: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 920: } 921: for (my $id=1;$id<=$contrib{'version'};$id++) { 922: my $idx=$id; 923: my $posttime = $contrib{$idx.':timestamp'}; 924: if ($prevread <= $posttime) { 925: $$newpostsflag = 1; 926: } 927: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 928: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 929: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 930: my $origindex='0.'; 931: my $numoldver=0; 932: if ($contrib{$idx.':replyto'}) { 933: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 934: # this is a follow-up message 935: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 936: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 937: $origindex=$index[$contrib{$idx.':replyto'}]; 938: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 939: } else { 940: $original[$idx]=0; 941: $$depth[$idx]=0; 942: } 943: } else { 944: # this is an original message 945: $original[$idx]=0; 946: $$depth[$idx]=0; 947: } 948: if ($$replies[$$depth[$idx]]) { 949: $$replies[$$depth[$idx]]++; 950: } else { 951: $$replies[$$depth[$idx]]=1; 952: } 953: unless ((($hidden) && (!$seeid)) || ($deleted)) { 954: $$visible++; 955: if ($contrib{$idx.':history'}) { 956: if ($contrib{$idx.':history'} =~ /:/) { 957: my @oldversions = split(/:/,$contrib{$idx.':history'}); 958: $numoldver = @oldversions; 959: } else { 960: $numoldver = 1; 961: } 962: } 963: $$current = $numoldver; 964: my %messages = (); 965: my %subjects = (); 966: my %attachtxt = (); 967: my %allattachments = (); 968: my ($screenname,$plainname); 969: my $sender = &mt('Anonymous'); 970: # Anonymous users getting number within a discussion 971: # Since idx is in static order, this should give the same sequence every time. 972: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 973: unless ($$anonhash{$key}) { 974: $anoncnt++; 975: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 976: } 977: my ($message,$subject,$vgrlink,$ctlink); 978: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 979: 980: 981: # Set up for sorting by subject 982: unless ($outputtarget eq 'export') { 983: $message=$messages{$numoldver}; 984: $message.=$attachtxt{$numoldver}; 985: $subject=$subjects{$numoldver}; 986: if ($message) { 987: if ($hidden) { 988: $message='<font color="#888888">'.$message.'</font>'; 989: if ($studenthidden) { 990: $message .='<br /><br />Deleted by poster (student).'; 991: } 992: } 993: 994: if ($subject eq '') { 995: if (defined($$subjectsort{'__No subject'})) { 996: push(@{$$subjectsort{'__No subject'}}, $idx); 997: } else { 998: @{$$subjectsort{'__No subject'}} = ("$idx"); 999: } 1000: } else { 1001: if (defined($$subjectsort{$subject})) { 1002: push(@{$$subjectsort{$subject}}, $idx); 1003: } else { 1004: @{$$subjectsort{$subject}} = ("$idx"); 1005: } 1006: } 1007: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1008: $sender=&Apache::loncommon::aboutmewrapper( 1009: $plainname, 1010: $contrib{$idx.':sendername'}, 1011: $contrib{$idx.':senderdomain'}).' ('. 1012: $contrib{$idx.':sendername'}.' at '. 1013: $contrib{$idx.':senderdomain'}.')'; 1014: if ($contrib{$idx.':anonymous'}) { 1015: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1016: $screenname; 1017: } 1018: if ($see_anonymous) { 1019: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1020: } 1021: # Set up for sorting by domain, then username 1022: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1023: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1024: } 1025: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1026: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1027: } else { 1028: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1029: } 1030: # Set up for sorting by last name, then first name 1031: my %names = &Apache::lonnet::get('environment', 1032: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1033: ,$contrib{$idx.':sendername'}); 1034: my $lastname = $names{'lastname'}; 1035: my $firstname = $names{'firstname'}; 1036: if ($lastname eq '') { 1037: $lastname = '_'; 1038: } 1039: if ($firstname eq '') { 1040: $firstname = '_'; 1041: } 1042: unless (defined($$namesort{$lastname})) { 1043: %{$$namesort{$lastname}} = (); 1044: } 1045: if (defined($$namesort{$lastname}{$firstname})) { 1046: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1047: } else { 1048: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1049: } 1050: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1051: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1052: $sender.=' <a href="/adm/feedback?editdisc='. 1053: $escsymb.':::'.$idx; 1054: if ($$newpostsflag) { 1055: $sender .= '&previous='.$prevread; 1056: } 1057: $sender .= &group_args($group); 1058: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1059: 1060: unless ($seeid) { 1061: my $grpargs = &group_args($group); 1062: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1063: $sender .= '">'.&mt('Delete').'</a>'; 1064: } 1065: } 1066: } 1067: if ($seeid) { 1068: if ($hidden) { 1069: unless ($studenthidden) { 1070: $sender.=' <a href="/adm/feedback?unhide='. 1071: $escsymb.':::'.$idx; 1072: if ($$newpostsflag) { 1073: $sender .= '&previous='.$prevread; 1074: } 1075: $sender .= '">'.&mt('Make Visible').'</a>'; 1076: } 1077: } else { 1078: $sender.=' <a href="/adm/feedback?hide='. 1079: $escsymb.':::'.$idx; 1080: if ($$newpostsflag) { 1081: $sender .= '&previous='.$prevread; 1082: } 1083: $sender .= &group_args($group); 1084: $sender .= '">'.&mt('Hide').'</a>'; 1085: } 1086: my $grpargs = &group_args($group); 1087: $sender.= 1088: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1089: $sender .= &mt('Delete').'</a>'; 1090: } 1091: } else { 1092: if ($screenname) { 1093: $sender='<i>'.$screenname.'</i>'; 1094: } else { 1095: $sender='<i>'.$$anonhash{$key}.'</i>'; 1096: } 1097: # Set up for sorting by domain, then username for anonymous 1098: unless (defined($$usernamesort{'__anon'})) { 1099: %{$$usernamesort{'__anon'}} = (); 1100: } 1101: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1102: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1103: } else { 1104: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1105: } 1106: # Set up for sorting by last name, then first name for anonymous 1107: unless (defined($$namesort{'__anon'})) { 1108: %{$$namesort{'__anon'}} = (); 1109: } 1110: if (defined($$namesort{'__anon'}{'__anon'})) { 1111: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1112: } else { 1113: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1114: } 1115: } 1116: if (&discussion_open($status)) { 1117: if (($group ne '') && 1118: (&check_group_priv($group,'pgd') eq 'ok')) { 1119: $sender.=' <a href="/adm/feedback?replydisc='. 1120: $escsymb.':::'.$idx; 1121: if ($$newpostsflag) { 1122: $sender .= '&previous='.$prevread; 1123: } 1124: $sender .= &group_args($group); 1125: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1126: } elsif (&Apache::lonnet::allowed('pch', 1127: $env{'request.course.id'}. 1128: ($env{'request.course.sec'}?'/'. 1129: $env{'request.course.sec'}:''))) { 1130: $sender.=' <a href="/adm/feedback?replydisc='. 1131: $escsymb.':::'.$idx; 1132: if ($$newpostsflag) { 1133: $sender .= '&previous='.$prevread; 1134: } 1135: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1136: } 1137: } 1138: if ($viewgrades) { 1139: $vgrlink=&Apache::loncommon::submlink('Submissions', 1140: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1141: } 1142: if ($$dischash{$readkey}=~/\.$idx\./) { 1143: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1144: } else { 1145: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1146: } 1147: } 1148: #figure out at what position this needs to print 1149: } 1150: if ($outputtarget eq 'export' || $message) { 1151: my $thisindex=$idx; 1152: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1153: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1154: } 1155: $$alldiscussion{$thisindex}=$idx; 1156: $$shown{$idx} = 0; 1157: $index[$idx]=$thisindex; 1158: } 1159: if ($outputtarget eq 'export') { 1160: %{$$imsitems{$idx}} = (); 1161: $$imsitems{$idx}{'isvisible'}='true'; 1162: if ($hidden) { 1163: $$imsitems{$idx}{'isvisible'}='false'; 1164: } 1165: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1166: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1167: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1168: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1169: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1170: $contrib{$idx.':sendername'}.' at '. 1171: $contrib{$idx.':senderdomain'}.')'; 1172: $$imsitems{$idx}{'isanonymous'}='false'; 1173: if ($contrib{$idx.':anonymous'}) { 1174: $$imsitems{$idx}{'isanonymous'}='true'; 1175: } 1176: $$imsitems{$idx}{'currversion'}=$numoldver; 1177: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1178: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1179: $$shown{$idx} = 1; 1180: } 1181: } else { 1182: if ($message) { 1183: my $spansize = 2; 1184: if ($showonlyunread && $prevread > $posttime) { 1185: $$notshown{$idx} = 1; 1186: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1187: $$notshown{$idx} = 1; 1188: } else { 1189: # apply filters 1190: my $uname = $contrib{$idx.':sendername'}; 1191: my $udom = $contrib{$idx.':senderdomain'}; 1192: my $poster = $uname.':'.$udom; 1193: if ($env{'form.totposters'} ne '') { 1194: if ($totposters == 0) { 1195: $$shown{$idx} = 0; 1196: } elsif ($totposters > 0) { 1197: if (grep/^$poster$/,@{$posters}) { 1198: $$shown{$idx} = 1; 1199: } 1200: } 1201: } elsif ($sortposts) { 1202: if ($skiptest) { 1203: $$shown{$idx} = 1; 1204: } else { 1205: foreach my $role (@{$$roleinfo{$poster}}) { 1206: if ($role =~ /^cc:/) { 1207: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1208: if ($role =~ /$cc_regexp/) { 1209: $$shown{$idx} = 1; 1210: last; 1211: } 1212: } elsif ($role =~ /^$rolematch$/) { 1213: $$shown{$idx} = 1; 1214: last; 1215: } 1216: } 1217: } 1218: if ($$shown{$idx} && !$skip_group_check) { 1219: my $showflag = 0; 1220: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1221: foreach my $grp (@{$grouppick}) { 1222: if (grep/^\Q$grp\E$/, 1223: keys(%{$$classgroups{$poster}{active}})) { 1224: $showflag = 1; 1225: last; 1226: } 1227: } 1228: } 1229: if ($showflag) { 1230: $$shown{$idx} = 1; 1231: } else { 1232: $$shown{$idx} = 0; 1233: } 1234: } 1235: } else { 1236: $$shown{$idx} = 1; 1237: } 1238: } 1239: unless ($$notshown{$idx} == 1) { 1240: if ($prevread > 0 && $prevread <= $posttime) { 1241: $$newitem{$idx} = 1; 1242: $$discussionitems[$idx] .= ' 1243: <p><table border="0" width="100%"> 1244: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>'; 1245: } else { 1246: $$newitem{$idx} = 0; 1247: $$discussionitems[$idx] .= ' 1248: <p><table border="0" width="100%"> 1249: <tr><td align="left"> </td>'; 1250: } 1251: $$discussionitems[$idx] .= '<td align ="left">  '. 1252: '<b>'.$subject.'</b>  '. 1253: $sender.'</b> '.$vgrlink.' ('. 1254: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1255: if ($$dischash{$toggkey}) { 1256: $$discussionitems[$idx].='<td align="right">  '. 1257: $ctlink.'</td>'; 1258: } 1259: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1260: $message.'</blockquote></p>'; 1261: if ($contrib{$idx.':history'}) { 1262: my @postversions = (); 1263: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1264: if ($seeid) { 1265: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1266: $$discussionitems[$idx] .= &group_args($group); 1267: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1268: } 1269: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1270: if ($contrib{$idx.':history'} =~ m/:/) { 1271: @postversions = split(/:/,$contrib{$idx.':history'}); 1272: } else { 1273: @postversions = ("$contrib{$idx.':history'}"); 1274: } 1275: for (my $i=0; $i<@postversions; $i++) { 1276: my $version = $i+1; 1277: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1278: } 1279: } 1280: } 1281: } 1282: } 1283: } 1284: } 1285: } 1286: } 1287: 1288: sub filter_regexp { 1289: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1290: my ($roleregexp,$secregexp,$statusregexp); 1291: my $skiptest = 1; 1292: if (@{$rolefilter} > 0) { 1293: my @okrolefilter = (); 1294: foreach my $role (@{$rolefilter}) { 1295: unless ($role eq '') { 1296: push(@okrolefilter, $role); 1297: } 1298: } 1299: if (@okrolefilter > 0) { 1300: if (grep/^all$/,@okrolefilter) { 1301: $roleregexp='[^:]+'; 1302: } else { 1303: if (@okrolefilter == 1) { 1304: $roleregexp=$okrolefilter[0]; 1305: } else { 1306: $roleregexp='('.join('|',@okrolefilter).')'; 1307: } 1308: $skiptest = 0; 1309: } 1310: } 1311: } 1312: if (@{$sectionpick} > 0) { 1313: my @oksectionpick = (); 1314: foreach my $sec (@{$sectionpick}) { 1315: unless ($sec eq '') { 1316: push(@oksectionpick, $sec); 1317: } 1318: } 1319: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1320: if (@oksectionpick == 1) { 1321: $secregexp = $oksectionpick[0]; 1322: } else { 1323: $secregexp .= '('.join('|',@oksectionpick).')'; 1324: } 1325: $skiptest = 0; 1326: } else { 1327: $secregexp .= '[^:]*'; 1328: } 1329: } 1330: 1331: if (defined($statusfilter) && $statusfilter ne '') { 1332: if ($statusfilter eq 'all') { 1333: $statusregexp = '[^:]+'; 1334: } else { 1335: $statusregexp = $statusfilter; 1336: $skiptest = 0; 1337: } 1338: } 1339: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1340: } 1341: 1342: 1343: sub get_post_contents { 1344: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1345: my $discussion = ''; 1346: my $start=$numver; 1347: my $end=$numver + 1; 1348: %{$$imsfiles{$idx}}=(); 1349: if ($type eq 'allversions') { 1350: unless($seeid) { 1351: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1352: return $discussion; 1353: } 1354: } 1355: # $$screenname=&Apache::loncommon::screenname( 1356: # $$contrib{$idx.':sendername'}, 1357: # $$contrib{$idx.':senderdomain'}); 1358: $$plainname=&Apache::loncommon::nickname( 1359: $$contrib{$idx.':sendername'}, 1360: $$contrib{$idx.':senderdomain'}); 1361: $$screenname=$$contrib{$idx.':screenname'}; 1362: 1363: my $sender=&Apache::loncommon::aboutmewrapper( 1364: $$plainname, 1365: $$contrib{$idx.':sendername'}, 1366: $$contrib{$idx.':senderdomain'}).' ('. 1367: $$contrib{$idx.':sendername'}.' at '. 1368: $$contrib{$idx.':senderdomain'}.')'; 1369: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1370: my @postversions = (); 1371: if ($type eq 'allversions' || $type eq 'export') { 1372: $start = 0; 1373: if ($$contrib{$idx.':history'}) { 1374: @postversions = split(/:/,$$contrib{$idx.':history'}); 1375: } 1376: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1377: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1378: push(@postversions,$$contrib{$idx.':timestamp'}); 1379: $end = @postversions; 1380: } else { 1381: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1382: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1383: } 1384: 1385: if ($$contrib{$idx.':anonymous'}) { 1386: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1387: } 1388: if ($type eq 'allversions') { 1389: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1390: } 1391: for (my $i=$start; $i<$end; $i++) { 1392: my ($timesent,$attachmsg); 1393: my %currattach = (); 1394: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1395: &newline_to_br(\$messages->{$i}); 1396: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1397: $$subjects{$i}=~s/\n/\<br \/\>/g; 1398: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1399: if ($attachmenturls) { 1400: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1401: } 1402: if ($type eq 'export') { 1403: $$imsfiles{$idx}{$i} = ''; 1404: if ($attachmsg) { 1405: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1406: foreach my $key (sort(keys(%currattach))) { 1407: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1408: my $fname = $1.$3.'/'.$4; 1409: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1410: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1411: } 1412: } 1413: } 1414: } else { 1415: if ($attachmsg) { 1416: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1417: } else { 1418: $$attachtxt{$i} = ''; 1419: } 1420: } 1421: if ($type eq 'allversions') { 1422: $discussion.= <<"END"; 1423: <li><b>$$subjects{$i}</b>, $timesent<br /> 1424: $$messages{$i}<br /> 1425: $$attachtxt{$i}</li> 1426: END 1427: } 1428: } 1429: if ($type eq 'allversions') { 1430: $discussion.='</ul>'; 1431: return $discussion; 1432: } else { 1433: return; 1434: } 1435: } 1436: 1437: sub replicate_attachments { 1438: my ($attachrefs,$tempexport) = @_; 1439: my $response; 1440: foreach my $id (keys(%{$attachrefs})) { 1441: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1442: my $path = $tempexport; 1443: my $tail = $1.'/'.$2.$4; 1444: my @extras = split(/\//,$tail); 1445: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1446: if (!-e $destination) { 1447: my $i= 0; 1448: while ($i<@extras) { 1449: $path .= '/'.$extras[$i]; 1450: if (!-e $path) { 1451: mkdir($path,0700); 1452: } 1453: $i ++; 1454: } 1455: my ($content,$rtncode); 1456: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1457: if ($uploadreply eq 'ok') { 1458: my $attachcopy; 1459: if ($attachcopy = Apache::File->new('>'.$destination)) { 1460: print $attachcopy $content; 1461: close($attachcopy); 1462: } else { 1463: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1464: } 1465: } else { 1466: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1467: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1468: } 1469: } 1470: } 1471: } 1472: return $response; 1473: } 1474: 1475: sub mail_screen { 1476: my ($r,$feedurl,$options,$caller_symb) = @_; 1477: if (exists($env{'form.origpage'})) { 1478: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1479: } 1480: 1481: my %lt = &Apache::lonlocal::texthash( 1482: 'plch' => 'Please check at least one of the following feedback types:', 1483: 'myqu' => 'My question/comment/feedback:', 1484: 'title' => 'Title', 1485: 'reta' => 'Retained attachments', 1486: 'atta' => 'Attachment (128 KB max size)', 1487: ); 1488: my $restitle = &get_resource_title($caller_symb,$feedurl); 1489: my $quote=''; 1490: my $subject = ''; 1491: my $comment = ''; 1492: my $prevtag = ''; 1493: my $parentmsg = ''; 1494: my ($symb,$idx,$attachmenturls); 1495: my $numoldver = 0; 1496: my $attachmsg = ''; 1497: my $newattachmsg = ''; 1498: my @currnewattach = (); 1499: my @currdelold = (); 1500: my @keepold = (); 1501: my %attachments = (); 1502: my %currattach = (); 1503: my $attachnum = 0; 1504: my $anonchk = (<<END); 1505: function anonchk() { 1506: for (var i=0; i < document.mailform.discuss.length; i++) { 1507: if (document.mailform.discuss[i].checked) { 1508: document.attachment.discuss.value = 1509: document.mailform.discuss[i].value; 1510: } 1511: } 1512: if (document.mailform.blog.checked) { 1513: document.attachment.blog.value = 1; 1514: } 1515: return 1516: } 1517: END 1518: my $anonscript; 1519: if (exists($env{'form.origpage'})) { 1520: $anonscript = (<<END); 1521: function setposttype() { 1522: var disc = "$env{'form.discuss'}"; 1523: for (var i=0; i < document.mailform.discuss.length; i++) { 1524: if (disc == document.mailform.discuss[i].value) { 1525: document.mailform.discuss[i].checked = 1; 1526: } 1527: } 1528: var blog = "$env{'form.blog'}"; 1529: if (blog == 1) { 1530: document.mailform.blog.checked=1; 1531: } 1532: return 1533: } 1534: END 1535: } else { 1536: $anonscript = (<<END); 1537: function setposttype() { 1538: return 1539: } 1540: END 1541: } 1542: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1543: if ($env{'form.replydisc'}) { 1544: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1545: } else { 1546: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1547: } 1548: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1549: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1550: $env{'course.'.$env{'request.course.id'}.'.num'}); 1551: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1552: if ($contrib{$idx.':history'}) { 1553: if ($contrib{$idx.':history'} =~ /:/) { 1554: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1555: $numoldver = @oldversions; 1556: } else { 1557: $numoldver = 1; 1558: } 1559: } 1560: if ($env{'form.replydisc'}) { 1561: if ($contrib{$idx.':history'}) { 1562: if ($contrib{$idx.':history'} =~ /:/) { 1563: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1564: $numoldver = @oldversions; 1565: } else { 1566: $numoldver = 1; 1567: } 1568: } 1569: if ($idx > 0) { 1570: my %msgversions = (); 1571: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1572: $quote = $msgversions{$numoldver}; 1573: } 1574: if ($idx > 0) { 1575: my %subversions = (); 1576: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1577: $subject = &mt('Re: ').$subversions{$numoldver}; 1578: } 1579: $subject = &HTML::Entities::encode($subject,'<>&"'); 1580: } else { 1581: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1582: if ($idx > 0) { 1583: my %msgversions = (); 1584: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1585: $comment = $msgversions{$numoldver}; 1586: my %subversions = (); 1587: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1588: $subject = $subversions{$numoldver}; 1589: } 1590: if (defined($contrib{$idx.':replyto'})) { 1591: $parentmsg = $contrib{$idx.':replyto'}; 1592: } 1593: unless (exists($env{'form.origpage'})) { 1594: my $anonflag = 'nonanon'; 1595: if ($contrib{$idx.':anonymous'}) { 1596: $anonflag = 'anon'; 1597: } 1598: $anonscript = (<<END); 1599: function setposttype () { 1600: var currtype = "$anonflag"; 1601: for (var i=0; i<document.mailform.discuss.length; i++) { 1602: if (document.mailform.elements.discuss[i].value == currtype ) { 1603: document.mailform.elements.discuss[i].checked=1; 1604: } 1605: } 1606: return 1607: } 1608: END 1609: } 1610: } 1611: } 1612: if ($env{'form.previous'}) { 1613: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1614: } 1615: } 1616: 1617: if ($env{'form.origpage'}) { 1618: $subject = &unescape($env{'form.subject'}); 1619: $comment = &unescape($env{'form.comment'}); 1620: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1621: } 1622: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); 1623: my $send=&mt('Send'); 1624: my $alert = &mt('Please select a feedback type.'); 1625: my $js= <<END; 1626: <script type="text/javascript"> 1627: // 1661: </script> 1662: END 1663: 1664: my %onload = ('onload' => 'window.focus();setposttype();'); 1665: my $start_page= 1666: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1667: {'add_entries' => \%onload}); 1668: 1669: if ($quote ne '') { 1670: &newline_to_br(\$quote); 1671: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1672: } 1673: 1674: $r->print(<<END); 1675: $start_page 1676: <h2><tt>$restitle</tt></h2> 1677: <form action="/adm/feedback" method="post" name="mailform" 1678: enctype="multipart/form-data"> 1679: $prevtag 1680: <input type="hidden" name="postdata" value="$feedurl" /> 1681: END 1682: if ($env{'form.replydisc'}) { 1683: $r->print(<<END); 1684: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1685: END 1686: } elsif ($env{'form.editdisc'}) { 1687: $r->print(<<END); 1688: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1689: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1690: END 1691: } 1692: $r->print(<<END); 1693: $lt{'plch'} 1694: $options<hr /> 1695: $quote 1696: <p>$lt{'myqu'}</p> 1697: <p> 1698: $latexHelp 1699: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1700: <p> 1701: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1702: </textarea></p> 1703: <p> 1704: END 1705: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1706: if ($env{'form.origpage'}) { 1707: foreach my $attach (@currnewattach) { 1708: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1709: } 1710: foreach my $oldatt (@currdelold) { 1711: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1712: } 1713: } 1714: if ($env{'form.editdisc'}) { 1715: if ($attachmenturls) { 1716: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1717: $attachnum = scalar(keys(%currattach)); 1718: foreach my $key (keys(%currattach)) { 1719: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1720: } 1721: } 1722: } 1723: } else { 1724: $r->print(<<END); 1725: $lt{'atta'}: <input type="file" name="attachment" /> 1726: </p> 1727: END 1728: } 1729: if (exists($env{'form.group'})) { 1730: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1731: } 1732: if (exists($env{'form.ref'})) { 1733: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1734: } 1735: $r->print(<<END); 1736: <p> 1737: <input type="hidden" name="sendit" value="1" /> 1738: <input type="button" value="$send" onClick='gosubmit();' /> 1739: </p> 1740: </form> 1741: END 1742: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1743: my $now = time; 1744: my $ressymb = $symb; 1745: &Apache::lonenc::check_encrypt(\$ressymb); 1746: my $postidx = ''; 1747: if ($env{'form.editdisc'}) { 1748: $postidx = $idx; 1749: } 1750: if (@currnewattach > 0) { 1751: $attachnum += @currnewattach; 1752: } 1753: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1754: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1755: if ($attachnum > 0) { 1756: if (@currnewattach > 0) { 1757: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1758: if (@currnewattach > 1) { 1759: $newattachmsg .= '<ol>'; 1760: foreach my $item (@currnewattach) { 1761: $item =~ m#.*/([^/]+)$#; 1762: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1763: } 1764: $newattachmsg .= '</ol>'."\n"; 1765: } else { 1766: $currnewattach[0] =~ m#.*/([^/]+)$#; 1767: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1768: } 1769: } 1770: if ($attachmsg) { 1771: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1772: } 1773: if ($newattachmsg) { 1774: $r->print("$newattachmsg<br />"); 1775: } 1776: } 1777: } 1778: $r->print(&generate_preview_button(). 1779: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1780: &Apache::loncommon::end_page()); 1781: 1782: } 1783: 1784: sub print_display_options { 1785: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1786: &Apache::loncommon::content_type($r,'text/html'); 1787: $r->send_http_header; 1788: 1789: my $function = &Apache::loncommon::get_users_function(); 1790: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1791: $env{'user.domain'}); 1792: 1793: my %lt = &Apache::lonlocal::texthash( 1794: 'pref' => 'Display Preference', 1795: 'curr' => 'Current setting ', 1796: 'actn' => 'Action', 1797: 'deff' => 'Default for all discussions', 1798: 'prca' => 'Preferences can be set for this discussion that determine ....', 1799: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', 1800: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1801: 'wipa' => 'Whether individual posts can be marked as read/unread', 1802: 'allposts' => 'All posts', 1803: 'unread' => 'New posts only', 1804: 'unmark' => 'Posts not marked read', 1805: 'ondisp' => 'Once displayed', 1806: 'onmark' => 'Once marked not NEW ', 1807: 'toggon' => 'Shown', 1808: 'toggoff' => 'Not shown', 1809: 'disa' => 'Posts displayed?', 1810: 'npmr' => 'New posts cease to be identified as "NEW"?', 1811: 'dotm' => 'Option to mark each post as read/unread?', 1812: 'chgt' => 'Change to ', 1813: 'mkdf' => 'Set to ', 1814: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1815: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1816: ); 1817: 1818: my $dispchangeA = $lt{'unread'}; 1819: my $dispchangeB = $lt{'unmark'}; 1820: my $markchange = $lt{'ondisp'}; 1821: my $toggchange = $lt{'toggon'}; 1822: my $currdisp = $lt{'allposts'}; 1823: my $currmark = $lt{'onmark'}; 1824: my $discdisp = 'allposts'; 1825: my $discmark = 'onmark'; 1826: my $currtogg = $lt{'toggoff'}; 1827: my $disctogg = 'toggoff'; 1828: 1829: if ($dispchgA eq 'allposts') { 1830: $dispchangeA = $lt{'allposts'}; 1831: $currdisp = $lt{'unread'}; 1832: $discdisp = 'unread'; 1833: } 1834: 1835: if ($markchg eq 'markonread') { 1836: $markchange = $lt{'onmark'}; 1837: $currmark = $lt{'ondisp'}; 1838: $discmark = 'ondisp'; 1839: } 1840: 1841: if ($dispchgB eq 'onlyunread') { 1842: $dispchangeB = $lt{'unread'}; 1843: $currdisp = $lt{'unmark'}; 1844: $discdisp = 'unmark'; 1845: } 1846: if ($toggchg eq 'toggoff') { 1847: $toggchange = $lt{'toggoff'}; 1848: $currtogg = $lt{'toggon'}; 1849: $disctogg = 'toggon'; 1850: } 1851: 1852: my $js = <<END; 1853: <script type="text/javascript"> 1854: function discdispChk(caller) { 1855: var disctogg = '$toggchg' 1856: if (caller == 0) { 1857: if (document.modifydisp.discdisp[0].checked == true) { 1858: if (document.modifydisp.discdisp[1].checked == true) { 1859: document.modifydisp.discdisp[1].checked = false 1860: } 1861: } 1862: } 1863: if (caller == 1) { 1864: if (document.modifydisp.discdisp[1].checked == true) { 1865: if (document.modifydisp.discdisp[0].checked == true) { 1866: document.modifydisp.discdisp[0].checked = false 1867: } 1868: if (disctogg == 'toggon') { 1869: document.modifydisp.disctogg.checked = true 1870: } 1871: if (disctogg == 'toggoff') { 1872: document.modifydisp.disctogg.checked = false 1873: } 1874: } 1875: } 1876: if (caller == 2) { 1877: var dispchgB = '$dispchgB' 1878: if (disctogg == 'toggoff') { 1879: if (document.modifydisp.disctogg.checked == true) { 1880: if (dispchgB == 'onlyunmark') { 1881: document.modifydisp.discdisp[1].checked = false 1882: } 1883: } 1884: } 1885: } 1886: } 1887: 1888: function setDisp() { 1889: var prev = "$previous" 1890: var chktotal = 0 1891: if (document.modifydisp.discdisp[0].checked == true) { 1892: document.modifydisp.$dispchgA.value = "$symb" 1893: chktotal ++ 1894: } 1895: if (document.modifydisp.discdisp[1].checked == true) { 1896: document.modifydisp.$dispchgB.value = "$symb" 1897: chktotal ++ 1898: } 1899: if (document.modifydisp.discmark.checked == true) { 1900: document.modifydisp.$markchg.value = "$symb" 1901: chktotal ++ 1902: } 1903: if (document.modifydisp.disctogg.checked == true) { 1904: document.modifydisp.$toggchg.value = "$symb" 1905: chktotal ++ 1906: } 1907: if (chktotal > 0) { 1908: document.modifydisp.submit() 1909: } else { 1910: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1911: if (prev > 0) { 1912: location.href = "$feedurl?previous=$previous" 1913: } else { 1914: location.href = "$feedurl" 1915: } 1916: } 1917: } 1918: } 1919: </script> 1920: END 1921: 1922: 1923: my $start_page = 1924: &Apache::loncommon::start_page('Discussion display options',$js); 1925: my $end_page = 1926: &Apache::loncommon::end_page(); 1927: $r->print(<<END); 1928: $start_page 1929: <form name="modifydisp" method="POST" action="/adm/feedback"> 1930: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1931: <br /> 1932: END 1933: $r->print(&Apache::loncommon::start_data_table()); 1934: $r->print(<<END); 1935: <tr> 1936: <th>$lt{'pref'}</td> 1937: <th>$lt{'curr'}</td> 1938: <th>$lt{'actn'}?</td> 1939: </tr> 1940: END 1941: $r->print(&Apache::loncommon::start_data_table_row()); 1942: $r->print(<<END); 1943: <td>$lt{'disa'}</td> 1944: <td>$lt{$discdisp}</td> 1945: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1946: <br /> 1947: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1948: </td> 1949: END 1950: $r->print(&Apache::loncommon::end_data_table_row()); 1951: $r->print(&Apache::loncommon::start_data_table_row()); 1952: $r->print(<<END); 1953: <td>$lt{'npmr'}</td> 1954: <td>$lt{$discmark}</td> 1955: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1956: END 1957: $r->print(&Apache::loncommon::end_data_table_row()); 1958: $r->print(&Apache::loncommon::start_data_table_row()); 1959: $r->print(<<END); 1960: <td>$lt{'dotm'}</td> 1961: <td>$lt{$disctogg}</td> 1962: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1963: END 1964: $r->print(&Apache::loncommon::end_data_table_row()); 1965: $r->print(&Apache::loncommon::end_data_table()); 1966: $r->print(<<END); 1967: <br /> 1968: <br /> 1969: <input type="hidden" name="symb" value="$symb" /> 1970: <input type="hidden" name="previous" value="$previous" /> 1971: <input type="hidden" name="$dispchgA" value=""/> 1972: <input type="hidden" name="$dispchgB" value=""/> 1973: <input type="hidden" name="$markchg" value=""/> 1974: <input type="hidden" name="$toggchg" value="" /> 1975: <input type="button" name="sub" value="Save Changes" onClick="javascript:setDisp()" /> 1976: END 1977: if (exists($env{'form.group'})) { 1978: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1979: } 1980: if (exists($env{'form.ref'})) { 1981: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1982: } 1983: $r->print(" 1984: <br /> 1985: <br /> 1986: </form> 1987: $end_page 1988: "); 1989: return; 1990: } 1991: 1992: sub print_sortfilter_options { 1993: my ($r,$symb,$previous,$feedurl) = @_; 1994: 1995: &Apache::loncommon::content_type($r,'text/html'); 1996: $r->send_http_header; 1997: 1998: &Apache::lonenc::check_encrypt(\$symb); 1999: my @sections; 2000: my $section_sel = ''; 2001: my $numvisible = 5; 2002: my @groups; 2003: my $group_sel = ''; 2004: my $numgroupvis = 5; 2005: my %sectioncount = &Apache::loncommon::get_sections(); 2006: 2007: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2008: @sections = ('all',$env{'request.course.sec'}); 2009: $numvisible = 2; 2010: } else { 2011: @sections = sort {$a cmp $b} keys(%sectioncount); 2012: if (scalar(@sections) < 4) { 2013: $numvisible = scalar(@sections) + 1; 2014: } 2015: unshift(@sections,'all'); # Put 'all' at the front of the list 2016: 2017: } 2018: foreach my $sec (@sections) { 2019: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2020: } 2021: 2022: if (&check_group_priv() eq 'ok') { 2023: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2024: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2025: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2026: @groups = sort {$a cmp $b} keys(%curr_groups); 2027: if (scalar(@groups) < 4) { 2028: $numgroupvis = scalar(@groups) + 1; 2029: } 2030: unshift(@groups,'all'); # Put 'all' at the front of the list 2031: } else { 2032: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2033: if (@coursegroups > 0) { 2034: @coursegroups = sort {$a cmp $b} @coursegroups; 2035: @groups = ('all',@coursegroups); 2036: if (scalar(@groups) < 4) { 2037: $numgroupvis = scalar(@groups) + 1; 2038: } 2039: } else { 2040: @groups = ('all'); 2041: $numgroupvis = 1; 2042: } 2043: } 2044: foreach my $group (@groups) { 2045: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2046: } 2047: 2048: my $function = &Apache::loncommon::get_users_function(); 2049: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2050: $env{'user.domain'}); 2051: my %lt = &Apache::lonlocal::texthash( 2052: 'diop' => 'Display Options', 2053: 'curr' => 'Current setting ', 2054: 'actn' => 'Action', 2055: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2056: 'soor' => 'Sort order', 2057: 'spur' => 'Specific user roles', 2058: 'sprs' => 'Specific role status', 2059: 'spse' => 'Specific sections', 2060: 'spgr' => 'Specific groups', 2061: 'psub' => 'Pick specific users (by name)', 2062: 'shal' => 'Show a list of current posters', 2063: 'stor' => 'Save changes', 2064: ); 2065: 2066: my %sort_types = (); 2067: my %role_types = (); 2068: my %status_types = (); 2069: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 2070: 2071: my $js = <<END; 2072: <script type="text/javascript"> 2073: function verifyFilter() { 2074: var rolenum = 0 2075: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2076: if (document.modifyshown.rolefilter.options[i].selected == true) { 2077: rolenum ++ 2078: } 2079: } 2080: if (rolenum == 0) { 2081: document.modifyshown.rolefilter.options[0].selected = true 2082: } 2083: 2084: var secnum = 0 2085: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2086: if (document.modifyshown.sectionpick.options[i].selected == true) { 2087: secnum ++ 2088: } 2089: } 2090: if (secnum == 0) { 2091: document.modifyshown.sectionpick.options[0].selected = true 2092: } 2093: 2094: var grpnum = 0 2095: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2096: if (document.modifyshown.grouppick.options[i].selected == true) { 2097: grpnum ++ 2098: } 2099: } 2100: if (grpnum == 0) { 2101: document.modifyshown.grouppick.options[0].selected = true 2102: } 2103: 2104: document.modifyshown.submit(); 2105: } 2106: </script> 2107: END 2108: 2109: my $start_page= 2110: &Apache::loncommon::start_page('Discussion options',$js); 2111: my $end_page= 2112: &Apache::loncommon::end_page(); 2113: 2114: $r->print(<<END); 2115: $start_page 2116: <form name="modifyshown" method="POST" action="/adm/feedback"> 2117: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2118: <br /><br /> 2119: <table border="0"> 2120: <tr> 2121: <td><b>$lt{'soor'}</b></td> 2122: <td> </td> 2123: <td><b>$lt{'sprs'}</b></td> 2124: <td> </td> 2125: <td><b>$lt{'spur'}</b></td> 2126: <td> </td> 2127: <td><b>$lt{'spse'}</b></td> 2128: <td> </td> 2129: <td><b>$lt{'spgr'}</b></td> 2130: <td> </td> 2131: <td><b>$lt{'psub'}</b></td> 2132: </tr> 2133: <tr> 2134: <td align="center" valign="top"> 2135: <select name="sortposts"> 2136: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2137: <option value="descdate">$sort_types{'descdate'}</option> 2138: <option value="thread">$sort_types{'thread'}</option> 2139: <option value="subject">$sort_types{'subject'}</option> 2140: <option value="username">$sort_types{'username'}</option> 2141: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2142: </select> 2143: </td> 2144: <td> </td> 2145: <td align="center" valign="top"> 2146: <select name="statusfilter"> 2147: <option value="all" selected="selected">$status_types{'all'}</option> 2148: <option value="Active">$status_types{'Active'}</option> 2149: <option value="Expired">$status_types{'Expired'}</option> 2150: <option value="Future">$status_types{'Future'}</option> 2151: </select> 2152: </td> 2153: <td> </td> 2154: <td align="center" valign="top"> 2155: <select name="rolefilter" multiple="true" size="5"> 2156: <option value="all">$role_types{'all'}</option> 2157: <option value="st">$role_types{'st'}</option> 2158: <option value="cc">$role_types{'cc'}</option> 2159: <option value="in">$role_types{'in'}</option> 2160: <option value="ta">$role_types{'ta'}</option> 2161: <option value="ep">$role_types{'ep'}</option> 2162: <option value="cr">$role_types{'cr'}</option> 2163: </select> 2164: </td> 2165: <td> </td> 2166: <td align="center" valign="top"> 2167: <select name="sectionpick" multiple="true" size="$numvisible"> 2168: $section_sel 2169: </select> 2170: </td> 2171: <td> </td> 2172: <td align="center" valign="top"> 2173: <select name="grouppick" multiple="true" size="$numvisible"> 2174: $group_sel 2175: </select> 2176: </td> 2177: <td> </td> 2178: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2179: </tr> 2180: </table> 2181: <br /> 2182: <br /> 2183: <input type="hidden" name="previous" value="$previous" /> 2184: <input type="hidden" name="applysort" value="$symb" /> 2185: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" /> 2186: END 2187: if (exists($env{'form.group'})) { 2188: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2189: } 2190: if (exists($env{'form.ref'})) { 2191: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2192: } 2193: $r->print(" 2194: <br /> 2195: <br /> 2196: </form> 2197: $end_page 2198: "); 2199: } 2200: 2201: sub print_showposters { 2202: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2203: 2204: &Apache::loncommon::content_type($r,'text/html'); 2205: $r->send_http_header; 2206: 2207: &Apache::lonenc::check_encrypt(\$symb); 2208: my $crs='/'.$env{'request.course.id'}; 2209: if ($env{'request.course.sec'}) { 2210: $crs.='_'.$env{'request.course.sec'}; 2211: } 2212: $crs=~s/\_/\//g; 2213: my $seeid; 2214: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2215: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2216: my $group = $env{'form.group'}; 2217: my $ressymb = &wrap_symb($symb); 2218: if (($group ne '') && 2219: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2220: if (&check_group_priv($group,'dgp') eq 'ok') { 2221: $seeid = 1; 2222: } 2223: } else { 2224: $seeid=&Apache::lonnet::allowed('rin',$crs); 2225: } 2226: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2227: $cdom,$cnum); 2228: my %namesort = (); 2229: my %postcounts = (); 2230: 2231: my %lt = &Apache::lonlocal::texthash( 2232: sele => 'Select', 2233: full => 'Fullname', 2234: usdo => 'Username:domain', 2235: post => 'Posts', 2236: ); 2237: if ($contrib{'version'}) { 2238: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2239: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2240: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2241: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2242: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2243: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2244: my $lastname = $names{'lastname'}; 2245: my $firstname = $names{'firstname'}; 2246: if ($lastname eq '') { 2247: $lastname = '_'; 2248: } 2249: if ($firstname eq '') { 2250: $firstname = '_'; 2251: } 2252: unless (defined($namesort{$lastname})) { 2253: %{$namesort{$lastname}} = (); 2254: } 2255: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2256: $postcounts{$poster} ++; 2257: if (defined($namesort{$lastname}{$firstname})) { 2258: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2259: push(@{$namesort{$lastname}{$firstname}}, $poster); 2260: } 2261: } else { 2262: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2263: } 2264: } 2265: } 2266: } 2267: } 2268: 2269: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2270: my $table_start =&Apache::loncommon::start_data_table(); 2271: $r->print(<<END); 2272: $start_page 2273: <form name="pickpostersform" method="post"> 2274: <br /> 2275: $table_start 2276: <tr> 2277: <th>#</th> 2278: <th>$lt{'sele'}</th> 2279: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2280: <th>$lt{'post'}</th> 2281: </tr> 2282: END 2283: my $count = 0; 2284: foreach my $last (sort(keys(%namesort))) { 2285: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2286: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2287: my ($uname,$udom) = split(/:/,$user); 2288: if (!$uname || !$udom) { 2289: next; 2290: } else { 2291: $count ++; 2292: $r->print(&Apache::loncommon::start_data_table_row(). 2293: '<td align="right">'.$count.'</td> 2294: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2295: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2296: <td>'.$postcounts{$user}.'</td>'. 2297: &Apache::loncommon::end_data_table_row()); 2298: } 2299: } 2300: } 2301: } 2302: $r->print(&Apache::loncommon::end_data_table()); 2303: my $end_page = &Apache::loncommon::end_page(); 2304: $r->print(<<END); 2305: <br /> 2306: <input type="hidden" name="sortposts" value="$sortposts" /> 2307: <input type="hidden" name="userpick" value="$symb" /> 2308: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2309: </form> 2310: $end_page 2311: END 2312: } 2313: 2314: sub get_post_versions { 2315: my ($versions,$incoming,$htmldecode,$numver) = @_; 2316: if ($incoming =~ /^<version num="0">/) { 2317: my $p = HTML::LCParser->new(\$incoming); 2318: my $done = 0; 2319: 2320: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2321: my $num = $token->[1]{num}; 2322: my $text = $p->get_text("/version"); 2323: if (defined($numver)) { 2324: if ($num == $numver) { 2325: if ($htmldecode) { 2326: $text = &HTML::Entities::decode($text); 2327: } 2328: $$versions{$numver}=$text; 2329: $done = 1; 2330: } 2331: } else { 2332: if ($htmldecode) { 2333: $text = &HTML::Entities::decode($text); 2334: } 2335: $$versions{$num}=$text; 2336: } 2337: } 2338: } else { 2339: if (!defined($numver)) { 2340: $numver = 0; 2341: } 2342: if ($htmldecode) { 2343: $$versions{$numver} = $incoming; 2344: } else { 2345: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2346: } 2347: } 2348: return; 2349: } 2350: 2351: sub get_post_attachments { 2352: my ($attachments,$attachmenturls) = @_; 2353: my $num; 2354: if ($attachmenturls =~ m/^<attachment id="0">/) { 2355: my $p = HTML::LCParser->new(\$attachmenturls); 2356: while (my $token = $p->get_tag("attachment","filename","post")) { 2357: if ($token->[0] eq "attachment") { 2358: $num = $token->[1]{id}; 2359: %{$$attachments{$num}} =(); 2360: } elsif ($token->[0] eq "filename") { 2361: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2362: } elsif ($token->[0] eq "post") { 2363: my $id = $token->[1]{id}; 2364: $$attachments{$num}{$id} = $p->get_text("/post"); 2365: } 2366: } 2367: } else { 2368: %{$$attachments{'0'}} = (); 2369: $$attachments{'0'}{'filename'} = $attachmenturls; 2370: $$attachments{'0'}{'0'} = 'n'; 2371: } 2372: 2373: return; 2374: } 2375: 2376: sub fail_redirect { 2377: my ($r,$feedurl) = @_; 2378: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2379: my %lt = &Apache::lonlocal::texthash( 2380: 'sorr' => 'Sorry, no recipients ...', 2381: ); 2382: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2383: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2384: {'redirect' => [2,$feedurl], 2385: 'only_body' => 1,})); 2386: $r->print(<<ENDFAILREDIR); 2387: <img align="right" src="$logo" /> 2388: <b>$lt{'sorr'}</b> 2389: ENDFAILREDIR 2390: $r->print(&Apache::loncommon::end_page()); 2391: } 2392: 2393: sub redirect_back { 2394: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_; 2395: my $sorttag = ''; 2396: my $roletag = ''; 2397: my $statustag = ''; 2398: my $sectag = ''; 2399: my $grptag = ''; 2400: my $userpicktag = ''; 2401: my $qrystr = ''; 2402: my $prevtag = ''; 2403: 2404: &Apache::loncommon::content_type($r,'text/html'); 2405: $r->send_http_header; 2406: &dewrapper(\$feedurl); 2407: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2408: if ($previous > 0) { 2409: $qrystr = 'previous='.$previous; 2410: if ($feedurl =~ /\?register=1/) { 2411: $feedurl .= '&'.$qrystr; 2412: } else { 2413: $feedurl .= '?'.$qrystr; 2414: } 2415: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2416: } 2417: if (defined($sort)) { 2418: my $sortqry = 'sortposts='.$sort; 2419: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2420: $feedurl .= '&'.$sortqry; 2421: } else { 2422: $feedurl .= '?'.$sortqry; 2423: } 2424: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2425: if (defined($numpicks)) { 2426: my $userpickqry = 'totposters='.$numpicks; 2427: $feedurl .= '&'.$userpickqry; 2428: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2429: } else { 2430: if (ref($sectionpick) eq 'ARRAY') { 2431: $feedurl .= '&sectionpick='; 2432: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2433: foreach my $sec (@{$sectionpick}) { 2434: $feedurl .= $sec.','; 2435: $sectag .= $sec.','; 2436: } 2437: $feedurl =~ s/,$//; 2438: $sectag =~ s/,$//; 2439: $sectag .= '" />'; 2440: } else { 2441: $feedurl .= '&sectionpick='.$sectionpick; 2442: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2443: } 2444: if (ref($grouppick) eq 'ARRAY') { 2445: $feedurl .= '&grouppick='; 2446: $sectag .= '<input type="hidden" name="grouppick" value="'; 2447: foreach my $grp (@{$grouppick}) { 2448: $feedurl .= $grp.','; 2449: $grptag .= $grp.','; 2450: } 2451: $feedurl =~ s/,$//; 2452: $grptag =~ s/,$//; 2453: $grptag .= '" />'; 2454: } else { 2455: $feedurl .= '&grouppick='.$grouppick; 2456: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2457: } 2458: if (ref($rolefilter) eq 'ARRAY') { 2459: $feedurl .= '&rolefilter='; 2460: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2461: foreach my $role (@{$rolefilter}) { 2462: $feedurl .= $role.','; 2463: $roletag .= $role.','; 2464: } 2465: $feedurl =~ s/,$//; 2466: $roletag =~ s/,$//; 2467: $roletag .= '" />'; 2468: } else { 2469: $feedurl .= '&rolefilter='.$rolefilter; 2470: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2471: } 2472: $feedurl .= '&statusfilter='.$statusfilter; 2473: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2474: } 2475: } 2476: my $grouptag; 2477: if ($group ne '') { 2478: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg; 2479: if (exists($env{'form.ref'})) { 2480: $refarg = '&ref='.$env{'form.ref'}; 2481: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2482: } 2483: if ($feedurl =~ /\?/) { 2484: $feedurl .= '&group='.$group.$refarg; 2485: } else { 2486: $feedurl .= '?group='.$group.$refarg; 2487: } 2488: } 2489: &Apache::lonenc::check_encrypt(\$feedurl); 2490: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2491: my %onload; 2492: if ($env{'environment.remote'} ne 'off') { 2493: $onload{'onload'} = 2494: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2495: } 2496: my $start_page= 2497: &Apache::loncommon::start_page('Feedback sent',undef, 2498: {'redirect' => [0,$feedurl], 2499: 'only_body' => 1, 2500: 'add_entries' => \%onload}); 2501: my $end_page = &Apache::loncommon::end_page(); 2502: $r->print(<<ENDREDIR); 2503: $start_page 2504: <img align="right" src="$logo" /> 2505: $typestyle 2506: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2507: $blog 2508: <font color="red">$status</font> 2509: <form name="reldt" action="$feedurl" target="loncapaclient"> 2510: $prevtag 2511: $sorttag 2512: $statustag 2513: $roletag 2514: $sectag 2515: $grptag 2516: $userpicktag 2517: $grouptag 2518: </form> 2519: $end_page 2520: ENDREDIR 2521: } 2522: 2523: sub no_redirect_back { 2524: my ($r,$feedurl) = @_; 2525: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2526: 2527: my %onload; 2528: if ($env{'environment.remote'} ne 'off') { 2529: $onload{'onload'} = 2530: "if (window.name!='loncapaclient') { self.window.close(); }"; 2531: } 2532: 2533: my %body_options = ('only_body' => 1, 2534: 'bgcolor' => '#FFFFFF', 2535: 'add_entries' => \%onload,); 2536: 2537: if ($feedurl !~ m{^/adm/feedback}) { 2538: $body_options{'rediect'} = [2,$feedurl]; 2539: } 2540: my $start_page= 2541: &Apache::loncommon::start_page('Feedback not sent',undef, 2542: \%body_options); 2543: 2544: my $end_page = &Apache::loncommon::end_page(); 2545: 2546: &Apache::lonenc::check_encrypt(\$feedurl); 2547: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2548: $r->print (<<ENDNOREDIRTWO); 2549: $start_page 2550: <img align="right" src="$logo" /> 2551: <b>$nofeed</b> 2552: <br /> 2553: $end_page 2554: ENDNOREDIRTWO 2555: } 2556: 2557: sub screen_header { 2558: my ($feedurl,$symb) = @_; 2559: my $msgoptions=''; 2560: my $discussoptions=''; 2561: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2562: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2563: $msgoptions= 2564: '<p><label><input type="radio" name="discuss" value="author" /> '. 2565: &mt('Feedback to resource author').'</label></p>'; 2566: } 2567: my %optionhash=(); 2568: foreach my $type ('question','comment','policy') { 2569: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2570: } 2571: if (&feedback_available(1)) { 2572: $msgoptions.= 2573: '<p><label><input type="radio" name="discuss" value="question" /> '. 2574: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2575: } 2576: if (&feedback_available(0,1)) { 2577: $msgoptions.= 2578: '<p><label><input type="radio" name="discuss" value="course" /> '. 2579: ($optionhash{'comment'}?$optionhash{'comment'}:&mt('Question/Comment/Feedback about course content')). 2580: '</label></p>'; 2581: } 2582: if (&feedback_available(0,0,1)) { 2583: $msgoptions.= 2584: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2585: ($optionhash{'policy'}?$optionhash{'policy'}:&mt('Question/Comment/Feedback about course policy')). 2586: '</label></p>'; 2587: } 2588: } 2589: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2590: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2591: if (!$blocked && &discussion_open(undef,$symb) && 2592: &Apache::lonnet::allowed('pch', 2593: $env{'request.course.id'}. 2594: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2595: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2596: &mt('Contribution to course discussion of resource'); 2597: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2598: &mt('Anonymous contribution to course discussion of resource'). 2599: ' <i>('.&mt('name only visible to course faculty').')</i></label> '. 2600: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2601: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2602: if (!$blockblog) { 2603: $discussoptions.= &add_blog_checkbox(); 2604: } 2605: } 2606: } 2607: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2608: if ($discussoptions) { 2609: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2610: return $msgoptions.$discussoptions; 2611: } 2612: 2613: sub resource_output { 2614: my ($feedurl) = @_; 2615: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2616: $usersaw=~s/\<body[^\>]*\>//gi; 2617: $usersaw=~s/\<\/body\>//gi; 2618: $usersaw=~s/\<html\>//gi; 2619: $usersaw=~s/\<\/html\>//gi; 2620: $usersaw=~s/\<head\>//gi; 2621: $usersaw=~s/\<\/head\>//gi; 2622: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2623: return $usersaw; 2624: } 2625: 2626: sub clear_out_html { 2627: my ($message,$override,$ignore_htmlarea)=@_; 2628: if (!$ignore_htmlarea 2629: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2630: # Always allow the <m>-tag 2631: my %html=(M=>1); 2632: # Check if more is allowed 2633: my $cid=$env{'request.course.id'}; 2634: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2635: ($override)) { 2636: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2637: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2638: # <SUP> 2639: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2640: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2641: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2642: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2643: } 2644: # Do the substitution of everything that is not explicitly allowed 2645: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2646: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2647: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2648: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2649: return $message; 2650: } 2651: 2652: sub assemble_email { 2653: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2654: my %lt = &Apache::lonlocal::texthash( 2655: 'prev' => 'Previous attempts of student (if applicable)', 2656: 'orig' => 'Original screen output (if applicable)', 2657: 'corr' => 'Correct Answer(s) (if applicable)', 2658: ); 2659: my $email=<<"ENDEMAIL"; 2660: $message 2661: ENDEMAIL 2662: my $citations=<<"ENDCITE"; 2663: <h2>$lt{'prev'}</h2> 2664: $prevattempts 2665: <br /><hr /> 2666: <h2>$lt{'orig'}</h2> 2667: $usersaw 2668: <h2>$lt{'corr'}</h2> 2669: $useranswer 2670: ENDCITE 2671: return ($email,$citations); 2672: } 2673: 2674: 2675: sub feedback_available { 2676: my ($question,$course,$policy)=@_; 2677: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2678: $course,$policy); 2679: return scalar(%to); 2680: } 2681: 2682: sub send_msg { 2683: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2684: my $status=''; 2685: my $sendsomething=0; 2686: my $restitle = &get_resource_title($symb,$feedurl); 2687: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2688: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2689: foreach my $key (keys(%to)) { 2690: if ($key) { 2691: my ($user,$domain) = split(/\:/,$key,2); 2692: if (!defined($user)) { 2693: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2694: } elsif (!defined($domain)) { 2695: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2696: } else { 2697: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2698: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2699: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2700: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2701: } else { 2702: $sendsomething++; 2703: } 2704: } 2705: } 2706: } 2707: 2708: 2709: my %record=&Apache::lonnet::restore('_feedback'); 2710: my ($temp)=keys(%record); 2711: unless ($temp=~/^error\:/) { 2712: my %newrecord=(); 2713: $newrecord{'resource'}=$feedurl; 2714: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2715: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2716: $status.='<br />'.&mt('Not registered').'<br />'; 2717: } 2718: } 2719: 2720: return ($status,$sendsomething); 2721: } 2722: 2723: sub adddiscuss { 2724: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2725: my $status=''; 2726: my $realsymb; 2727: if ($symb=~/^bulletin___/) { 2728: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2729: $filename=~s|^adm/wrapper/||; 2730: $realsymb=&Apache::lonnet::symbread($filename); 2731: } 2732: if (&discussion_open(undef,$realsymb) && 2733: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2734: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2735: 2736: my %contrib=('message' => $email, 2737: 'sendername' => $env{'user.name'}, 2738: 'senderdomain' => $env{'user.domain'}, 2739: 'screenname' => $env{'environment.screenname'}, 2740: 'plainname' => $env{'environment.firstname'}.' '. 2741: $env{'environment.middlename'}.' '. 2742: $env{'environment.lastname'}.' '. 2743: $env{'enrironment.generation'}, 2744: 'attachmenturl'=> $attachmenturl, 2745: 'subject' => $subject); 2746: if ($env{'form.replydisc'}) { 2747: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2748: } 2749: if ($anon) { 2750: $contrib{'anonymous'}='true'; 2751: } 2752: if (($symb) && ($email)) { 2753: my $now = time; 2754: if ($env{'form.editdisc'}) { 2755: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2756: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2757: $contrib{'timestamp'} = $now; 2758: $contrib{'history'} = ''; 2759: my $numoldver = 0; 2760: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2761: &Apache::lonenc::check_decrypt(\$oldsymb); 2762: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2763: # get timestamp for last post and history 2764: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2765: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2766: $env{'course.'.$env{'request.course.id'}.'.num'}); 2767: if (defined($oldcontrib{$oldidx.':replyto'})) { 2768: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2769: } 2770: if (defined($oldcontrib{$oldidx.':history'})) { 2771: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2772: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2773: $numoldver = @oldversions; 2774: } else { 2775: $numoldver = 1; 2776: } 2777: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2778: } 2779: my $numnewver = $numoldver + 1; 2780: if (defined($oldcontrib{$oldidx.':subject'})) { 2781: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2782: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2783: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2784: } else { 2785: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2786: } 2787: } 2788: if (defined($oldcontrib{$oldidx.':message'})) { 2789: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2790: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2791: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2792: } else { 2793: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2794: } 2795: } 2796: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2797: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2798: $oldsymb,$oldidx,\%contrib, 2799: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2800: $env{'course.'.$env{'request.course.id'}.'.num'}); 2801: $status='Editing class discussion'.($anon?' (anonymous)':''); 2802: } else { 2803: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2804: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2805: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2806: $env{'course.'.$env{'request.course.id'}.'.num'}); 2807: } 2808: my %storenewentry=($symb => $now); 2809: $status.='<br />'.&mt('Updating discussion time').': '. 2810: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2811: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2812: $env{'course.'.$env{'request.course.id'}.'.num'}); 2813: } 2814: my %record=&Apache::lonnet::restore('_discussion'); 2815: my ($temp)=keys(%record); 2816: unless ($temp=~/^error\:/) { 2817: my %newrecord=(); 2818: $newrecord{'resource'}=$symb; 2819: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2820: $status.='<br />'.&mt('Registering').': '. 2821: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2822: } 2823: } else { 2824: $status.='Failed.'; 2825: } 2826: return $status.'<br />'; 2827: } 2828: 2829: sub get_discussion_info { 2830: my ($idx,%contrib) = @_; 2831: my $changelast = 0; 2832: my $count = 0; 2833: my $hiddenflag = 0; 2834: my $deletedflag = 0; 2835: my ($hidden,$deleted,%info,$newlastdisc); 2836: my $version = $contrib{'version'}; 2837: if ($version) { 2838: for (my $id=$version; $id>0; $id--) { 2839: my $vkeys=$contrib{$id.':keys'}; 2840: my @keys=split(/:/,$vkeys); 2841: if (grep(/^hidden$/,@keys)) { 2842: if (!$hiddenflag) { 2843: $hidden = $contrib{$id.':hidden'}; 2844: $hiddenflag = 1; 2845: } 2846: } elsif (grep(/^deleted$/,@keys)) { 2847: if (!$deletedflag) { 2848: $deleted = $contrib{$id.':deleted'}; 2849: $deletedflag = 1; 2850: } 2851: } else { 2852: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2853: $count++; 2854: $info{$count}{'id'} = $id; 2855: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2856: } 2857: } 2858: } 2859: if ($info{'1'}{'id'} == $idx) { 2860: $changelast = 1; 2861: if ($count > 1) { 2862: $newlastdisc = $info{'2'}{'timestamp'}; 2863: } else { 2864: $newlastdisc = 0; 2865: } 2866: } 2867: } 2868: return ($changelast,$newlastdisc); 2869: } 2870: 2871: # ----------------------------------------------------------- Preview function 2872: 2873: sub show_preview { 2874: my ($r) = @_; 2875: &Apache::loncommon::content_type($r,'text/html'); 2876: $r->send_http_header; 2877: my $start_page= 2878: &Apache::loncommon::start_page('Preview',undef, 2879: {'only_body' => 1,}); 2880: 2881: my $message=&clear_out_html($env{'form.comment'}); 2882: &newline_to_br(\$message); 2883: $message=&Apache::lonspeller::markeduptext($message); 2884: $message=&Apache::lontexconvert::msgtexconverted($message); 2885: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2886: $subject=~s/\n/\<br \/\>/g; 2887: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2888: 2889: my $end_page = &Apache::loncommon::end_page(); 2890: 2891: $r->print($start_page.'<table border="2"><tr><td>'. 2892: '<b>'.&mt('Subject').':</b> '.$subject.'<br /><br />'. 2893: $message.'</td></tr></table>'.$end_page); 2894: } 2895: 2896: 2897: sub newline_to_br { 2898: my ($message)=@_; 2899: my $newmessage; 2900: my $parser=HTML::LCParser->new($message); 2901: while (my $token=$parser->get_token()) { 2902: if ($token->[0] eq 'T') { 2903: my $text=$token->[1]; 2904: $text=~s/\n/\<br \/\>/g; 2905: $newmessage.=$text; 2906: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2907: $newmessage.=$token->[1]; 2908: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2909: $newmessage.=$token->[2]; 2910: } elsif ($token->[0] eq 'S') { 2911: $newmessage.=$token->[4]; 2912: } 2913: 2914: } 2915: $$message=$newmessage; 2916: } 2917: 2918: sub generate_preview_button { 2919: my ($formname,$fieldname)=@_; 2920: unless ($formname) { $formname='mailform'; } 2921: unless ($fieldname) { $fieldname='comment'; } 2922: my $pre=&mt("Show Preview and Check Spelling"); 2923: return(<<ENDPREVIEW); 2924: <br /> 2925: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2926: <input type="hidden" name="subject"> 2927: <input type="hidden" name="comment" /> 2928: <input type="button" value="$pre" 2929: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 2930: </form> 2931: ENDPREVIEW 2932: } 2933: 2934: sub modify_attachments { 2935: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_; 2936: 2937: my %lt = &Apache::lonlocal::texthash( 2938: 'subj' => 'Subject', 2939: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 2940: 'chth' => 'Check the checkboxes for any you wish to remove.', 2941: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 2942: 'adda' => 'Add a new attachment to this post.', 2943: 'stch' => 'Save Changes', 2944: ); 2945: my $js = <<END; 2946: <script type="text/javascript"> 2947: function setAction () { 2948: document.modattachments.action = document.modattachments.origpage.value; 2949: document.modattachments.submit(); 2950: } 2951: </script> 2952: END 2953: 2954: my $start_page = 2955: &Apache::loncommon::start_page('Discussion Post Attachments',$js); 2956: 2957: my $orig_subject = &unescape($env{'form.subject'}); 2958: my $subject=&clear_out_html($orig_subject,undef,1); 2959: $subject=~s/\n/\<br \/\>/g; 2960: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2961: my $timestamp=$env{'form.timestamp'}; 2962: my $numoldver=$env{'form.numoldver'}; 2963: 2964: my $msg = ''; 2965: my %attachments = (); 2966: my %currattach = (); 2967: if ($idx) { 2968: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2969: } 2970: &Apache::lonenc::check_encrypt(\$symb); 2971: 2972: my $end_page = 2973: &Apache::loncommon::end_page(); 2974: 2975: $r->print(<<END); 2976: $start_page 2977: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2978: <table border="2"> 2979: <tr> 2980: <td> 2981: <b>Subject:</b> $subject</b><br /><br /> 2982: END 2983: if ($idx) { 2984: if ($attachmenturls) { 2985: my @currold = keys(%currattach); 2986: if (@currold > 0) { 2987: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 2988: foreach my $id (@currold) { 2989: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 2990: $attachurl =~ m#/([^/]+)$#; 2991: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 2992: } 2993: $r->print("<br />"); 2994: } 2995: } 2996: } 2997: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 2998: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 2999: foreach my $attach (@{$currnewattach}) { 3000: $attach =~ m#/([^/]+)$#; 3001: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3002: } 3003: $r->print("<br />"); 3004: } 3005: $r->print(<<END); 3006: $lt{'adda'} <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 3007: </td> 3008: </tr> 3009: </table> 3010: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3011: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3012: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3013: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3014: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3015: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3016: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3017: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3018: END 3019: foreach my $item (@{$currnewattach}) { 3020: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3021: } 3022: foreach my $item (@{$currdelold}) { 3023: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3024: } 3025: $r->print(<<END); 3026: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/> 3027: </form> 3028: $end_page 3029: END 3030: return; 3031: } 3032: 3033: sub process_attachments { 3034: my ($currnewattach,$currdelold,$keepold) = @_; 3035: 3036: @{$currnewattach}= 3037: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3038: @{$currdelold}= 3039: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3040: if (exists($env{'form.delnewattach'})) { 3041: my @currdelnew = 3042: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3043: my @currnew = (); 3044: foreach my $newone (@{$currnewattach}) { 3045: my $delflag = 0; 3046: foreach my $item (@currdelnew) { 3047: if ($newone eq $item) { 3048: $delflag = 1; 3049: last; 3050: } 3051: } 3052: unless ($delflag) { 3053: push(@currnew, $newone); 3054: } 3055: } 3056: @{$currnewattach} = @currnew; 3057: } 3058: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3059: } 3060: 3061: sub generate_attachments_button { 3062: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3063: $numoldver,$mode,$blockblog) = @_; 3064: my $origpage = $ENV{'REQUEST_URI'}; 3065: my $att=$attachnum.' '.&mt("attachments"); 3066: my %lt = &Apache::lonlocal::texthash( 3067: 'clic' => 'Click to add/remove attachments', 3068: ); 3069: my $response = (<<END); 3070: <br /> 3071: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3072: $lt{'clic'}: <input type="button" value="$att" 3073: 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); 3074: END 3075: if (!$blockblog) { 3076: $response .= 'setblogvalue();'; 3077: } 3078: unless ($mode eq 'board') { 3079: $response .= 'javascript:anonchk();'; 3080: } 3081: $response .= (<<ENDATTACH); 3082: this.form.submit();" /> 3083: <input type="hidden" name="origpage" value="$origpage" /> 3084: <input type="hidden" name="idx" value="$idx" /> 3085: <input type="hidden" name="timestamp" value="$now" /> 3086: <input type="hidden" name="subject" /> 3087: <input type="hidden" name="comment" /> 3088: <input type="hidden" name="blog" value = "0" /> 3089: <input type="hidden" name="discuss" value = "0" /> 3090: <input type="hidden" name="numoldver" value="$numoldver" /> 3091: ENDATTACH 3092: if (defined($deloldattach)) { 3093: if (@{$deloldattach} > 0) { 3094: foreach my $delatt (@{$deloldattach}) { 3095: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3096: } 3097: } 3098: } 3099: if (defined($currnewattach)) { 3100: if (@{$currnewattach} > 0) { 3101: foreach my $attach (@{$currnewattach}) { 3102: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3103: } 3104: } 3105: } 3106: $response .= '</form>'; 3107: return $response; 3108: } 3109: 3110: sub extract_attachments { 3111: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3112: %{$attachments}=(); 3113: &get_post_attachments($attachments,$attachmenturls); 3114: foreach my $id (sort(keys(%{$attachments}))) { 3115: if (exists($$attachments{$id}{$numoldver})) { 3116: if (defined($currdelold)) { 3117: if (@{$currdelold} > 0) { 3118: unless (grep/^$id$/,@{$currdelold}) { 3119: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3120: } 3121: } else { 3122: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3123: } 3124: } else { 3125: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3126: } 3127: } 3128: } 3129: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3130: if (@attached == 1) { 3131: my $id = $attached[0]; 3132: my $attachurl; 3133: if ($attachmenturls =~ m/^<attachment id="0">/) { 3134: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3135: } else { 3136: $attachurl = $$attachments{$id}{'filename'}; 3137: } 3138: $attachurl=~m|/([^/]+)$|; 3139: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3140: $1.'</tt></a><br />'; 3141: &Apache::lonnet::allowuploaded('/adm/feedback', 3142: $attachurl); 3143: } elsif (@attached > 1) { 3144: $$message.='<ol>'; 3145: foreach my $attach (@attached) { 3146: my $id = $attach; 3147: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3148: my ($fname) 3149: =($attachurl=~m|/([^/]+)$|); 3150: $$message .= '<li><a href="'.$attachurl. 3151: '"><tt>'. 3152: $fname.'</tt></a></li>'; 3153: &Apache::lonnet::allowuploaded('/adm/feedback', 3154: $attachurl); 3155: } 3156: $$message .= '</ol>'; 3157: } 3158: } 3159: 3160: sub construct_attachmenturl { 3161: my ($currnewattach,$keepold,$symb,$idx)=@_; 3162: my $oldattachmenturl; 3163: my $newattachmenturl; 3164: my $startnum = 0; 3165: my $currver = 0; 3166: if (($env{'form.editdisc'}) && ($idx)) { 3167: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3168: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3169: $env{'course.'.$env{'request.course.id'}.'.num'}); 3170: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3171: if ($contrib{$idx.':history'}) { 3172: if ($contrib{$idx.':history'} =~ /:/) { 3173: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3174: $currver = 1 + scalar(@oldversions); 3175: } else { 3176: $currver = 2; 3177: } 3178: } else { 3179: $currver = 1; 3180: } 3181: if ($oldattachmenturl) { 3182: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3183: my %attachments = (); 3184: my $prevver = $currver-1; 3185: &get_post_attachments(\%attachments,$oldattachmenturl); 3186: my $numattach = scalar(keys(%attachments)); 3187: $startnum += $numattach; 3188: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3189: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3190: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3191: unless ($item eq 'filename') { 3192: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3193: } 3194: } 3195: if (grep/^$num$/,@{$keepold}) { 3196: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3197: } 3198: $newattachmenturl .= '</attachment>'; 3199: } 3200: } else { 3201: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3202: unless (grep/^0$/,@{$keepold}) { 3203: $newattachmenturl .= '<post id="1">n</post>'; 3204: } 3205: $newattachmenturl .= '</attachment>'; 3206: $startnum ++; 3207: } 3208: } 3209: } 3210: for (my $i=0; $i<@{$currnewattach}; $i++) { 3211: my $attachnum = $startnum + $i; 3212: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3213: } 3214: return $newattachmenturl; 3215: } 3216: 3217: sub add_blog_checkbox { 3218: my ($checkstatus); 3219: if ($env{'form.blog'}) { 3220: $checkstatus = 'checked="checked"'; 3221: } 3222: my $output = ' 3223: <script type="text/javascript"> 3224: function setblogvalue() { 3225: if (document.mailform.blog.checked) { 3226: document.attachment.blog.value = 1; 3227: } else { 3228: document.attachment.blog.value = 0; 3229: } 3230: } 3231: </script><br /> 3232: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '. 3233: &mt('Add to my public course blog').'</label><br />'."\n"; 3234: return $output; 3235: } 3236: 3237: sub has_discussion { 3238: my $resourcesref = shift; 3239: my $navmap = Apache::lonnavmaps::navmap->new(); 3240: my @allres=$navmap->retrieveResources(); 3241: foreach my $resource (@allres) { 3242: if ($resource->hasDiscussion()) { 3243: my $ressymb = $resource->wrap_symb(); 3244: push(@{$resourcesref}, $ressymb); 3245: } 3246: } 3247: return; 3248: } 3249: 3250: sub sort_filter_names { 3251: my ($sort_types,$role_types,$status_types) = @_; 3252: %{$sort_types} = ( 3253: ascdate => 'Date order - oldest first', 3254: descdate => 'Date order - newest first', 3255: thread => 'Threaded', 3256: subject => 'By subject', 3257: username => 'By domain and username', 3258: lastfirst => 'By last name, first name' 3259: ); 3260: %{$role_types} = ( 3261: all => 'All roles', 3262: st => 'Students', 3263: cc => 'Course Coordinators', 3264: in => 'Instructors', 3265: ta => 'TAs', 3266: ep => 'Exam proctors', 3267: ad => 'Administrators', 3268: cr => 'Custom roles' 3269: ); 3270: %{$status_types} = ( 3271: all => 'Roles of any status', 3272: Active => 'Only active roles', 3273: Expired => 'Only past roles', 3274: Future => 'Only future roles', 3275: ); 3276: } 3277: 3278: sub handler { 3279: my $r = shift; 3280: if ($r->header_only) { 3281: &Apache::loncommon::content_type($r,'text/html'); 3282: $r->send_http_header; 3283: return OK; 3284: } 3285: 3286: # --------------------------- Get query string for limited number of parameters 3287: 3288: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3289: ['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']); 3290: my $group = $env{'form.group'}; 3291: if ($env{'form.editdisc'}) { 3292: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3293: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3294: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3295: my $feedurl=&Apache::lonnet::clutter($url); 3296: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3297: undef,undef,undef,$group); 3298: return OK; 3299: } 3300: } 3301: if ($env{'form.discsymb'}) { 3302: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3303: my $readkey = $symb.'_read'; 3304: my $chgcount = 0; 3305: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3306: foreach my $key (keys(%env)) { 3307: if ($key =~ m/^form\.postunread_(\d+)/) { 3308: if ($readinghash{$readkey} =~ /\.$1\./) { 3309: $readinghash{$readkey} =~ s/\.$1\.//; 3310: $chgcount ++; 3311: } 3312: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3313: unless ($readinghash{$readkey} =~ /\.$1\./) { 3314: $readinghash{$readkey} .= '.'.$1.'.'; 3315: $chgcount ++; 3316: } 3317: } 3318: } 3319: if ($chgcount > 0) { 3320: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3321: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3322: } 3323: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3324: '0','0','','',$env{'form.previous'},'','','', 3325: undef,undef,undef,$group); 3326: return OK; 3327: } 3328: if ($env{'form.allversions'}) { 3329: &Apache::loncommon::content_type($r,'text/html'); 3330: &Apache::loncommon::no_cache($r); 3331: $r->send_http_header; 3332: 3333: $r->print(&Apache::loncommon::start_page('Discussion Post Versions')); 3334: 3335: my $crs='/'.$env{'request.course.id'}; 3336: if ($env{'request.course.sec'}) { 3337: $crs.='_'.$env{'request.course.sec'}; 3338: } 3339: $crs=~s|_|/|g; 3340: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3341: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3342: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3343: ($symb)=&get_feedurl_and_clean_symb($symb); 3344: my $ressymb = &wrap_symb($symb); 3345: my $group = $env{'form.group'}; 3346: my $seeid; 3347: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3348: if (&check_group_priv($group,'dgp') eq 'ok') { 3349: $seeid = 1; 3350: } 3351: } else { 3352: $seeid = &Apache::lonnet::allowed('rin',$crs); 3353: } 3354: if ($idx > 0) { 3355: my %messages = (); 3356: my %subjects = (); 3357: my %attachmsgs = (); 3358: my %allattachments = (); 3359: my %imsfiles = (); 3360: my ($screenname,$plainname); 3361: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3362: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3363: $env{'course.'.$env{'request.course.id'}.'.num'}); 3364: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3365: } 3366: $r->print(&Apache::loncommon::end_page()); 3367: return OK; 3368: } 3369: if ($env{'form.posterlist'}) { 3370: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3371: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3372: $env{'form.sortposts'}); 3373: return OK; 3374: } 3375: if ($env{'form.userpick'}) { 3376: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3377: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3378: my $numpicks = @posters; 3379: my %discinfo; 3380: $discinfo{$symb.'_userpick'} = join('&',@posters); 3381: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3382: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3383: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3384: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3385: '',$numpicks,$group); 3386: return OK; 3387: } 3388: if ($env{'form.applysort'}) { 3389: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3390: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3391: '',$env{'form.previous'},$env{'form.sortposts'}, 3392: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3393: $env{'form.sectionpick'},$env{'form.grouppick'}, 3394: undef,$group); 3395: return OK; 3396: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3397: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3398: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3399: return OK; 3400: } elsif ($env{'form.navtime'}) { 3401: my %discinfo = (); 3402: my @resources = (); 3403: if (defined($env{'form.navmaps'})) { 3404: if ($env{'form.navmaps'} =~ /:/) { 3405: @resources = split(/:/,$env{'form.navmaps'}); 3406: } else { 3407: @resources = ("$env{'form.navmaps'}"); 3408: } 3409: } else { 3410: &has_discussion(\@resources); 3411: } 3412: my $numitems = @resources; 3413: my $feedurl = '/adm/navmaps'; 3414: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3415: my %lt = &Apache::lonlocal::texthash( 3416: 'mnpa' => 'Marked "New" posts as read in a total of', 3417: 'robb' => 'resources/bulletin boards.', 3418: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.' 3419: ); 3420: foreach my $res (@resources) { 3421: my $ressymb=$res; 3422: &Apache::lonenc::check_decrypt(\$ressymb); 3423: my $lastkey = $ressymb.'_lastread'; 3424: $discinfo{$lastkey} = $env{'form.navtime'}; 3425: } 3426: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3427: if ($numitems > 0) { 3428: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3429: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3430: } else { 3431: $textline = "<b>$lt{'twnp'}</b>"; 3432: } 3433: &Apache::loncommon::content_type($r,'text/html'); 3434: $r->send_http_header; 3435: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3436: my %onload; 3437: if ($env{'environment.remote'} ne 'off') { 3438: $onload{'onload'} = 3439: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3440: } 3441: 3442: my $start_page= 3443: &Apache::loncommon::start_page('New posts marked as read',undef, 3444: {'redirect' => [2,$feedurl], 3445: 'only_body' => 1, 3446: 'add_entries' => \%onload}); 3447: my $end_page = &Apache::loncommon::end_page(); 3448: $r->print (<<ENDREDIR); 3449: $start_page 3450: <img align="right" src="$logo" /> 3451: $textline 3452: <form name="reldt" action="$feedurl" target="loncapaclient"> 3453: </form> 3454: <br /> 3455: $end_page 3456: ENDREDIR 3457: return OK; 3458: } elsif ($env{'form.modifydisp'}) { 3459: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3460: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3461: split(/_/,$env{'form.changes'}); 3462: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3463: $dispchgB,$markchg,$toggchg,$feedurl); 3464: return OK; 3465: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3466: $env{'form.allposts'} || $env{'form.onlyunread'} || 3467: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3468: $env{'form.toggon'} || $env{'form.markread'}) { 3469: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3470: my %discinfo; 3471: # ------------------------ Modify setting for read/unread toggle for each post 3472: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3473: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3474: # --------- Modify setting for identification of 'NEW' posts in this discussion 3475: if ($env{'form.markondisp'}) { 3476: $discinfo{$symb.'_lastread'} = time; 3477: $discinfo{$symb.'_markondisp'} = 1; 3478: } 3479: if ($env{'form.markonread'}) { 3480: if ( $env{'form.previous'} > 0 ) { 3481: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3482: } 3483: $discinfo{$symb.'_markondisp'} = 0; 3484: } 3485: # --------------------------------- Modify display setting for this discussion 3486: if ($env{'form.allposts'}) { 3487: $discinfo{$symb.'_showonlyunread'} = 0; 3488: $discinfo{$symb.'_showonlyunmark'} = 0; 3489: } 3490: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3491: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3492: # ----------------------------------------------------- Mark new posts not NEW 3493: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3494: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3495: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3496: my $previous=$env{'form.previous'}; 3497: if ($env{'form.markondisp'}) { $previous=undef; } 3498: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3499: '0','0','','',$previous,'','','','','','',$group); 3500: return OK; 3501: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3502: # ----------------------------------------------------------------- Hide/unhide 3503: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3504: my ($symb,$idx)=split(/\:\:\:/,$entry); 3505: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3506: 3507: my $crs='/'.$env{'request.course.id'}; 3508: if ($env{'request.course.sec'}) { 3509: $crs.='_'.$env{'request.course.sec'}; 3510: } 3511: $crs=~s/\_/\//g; 3512: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3513: 3514: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3515: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3516: undef,undef,$group,); 3517: return OK; 3518: } 3519: 3520: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3521: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3522: $env{'course.'.$env{'request.course.id'}.'.num'}); 3523: 3524: my $currenthidden=$contrib{'hidden'}; 3525: my $currentstudenthidden=$contrib{'studenthidden'}; 3526: 3527: if ($env{'form.hide'}) { 3528: $currenthidden.='.'.$idx.'.'; 3529: unless ($seeid) { 3530: $currentstudenthidden.='.'.$idx.'.'; 3531: } 3532: } else { 3533: $currenthidden=~s/\.$idx\.//g; 3534: } 3535: my %newhash=('hidden' => $currenthidden); 3536: if ( ($env{'form.hide'}) && (!$seeid) ) { 3537: $newhash{'studenthidden'} = $currentstudenthidden; 3538: } 3539: if ($env{'form.hide'}) { 3540: my $changelast = 0; 3541: my $newlast; 3542: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3543: if ($changelast) { 3544: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3545: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3546: $env{'course.'.$env{'request.course.id'}.'.num'}); 3547: } 3548: } 3549: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3550: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3551: $env{'course.'.$env{'request.course.id'}.'.num'}); 3552: 3553: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3554: '0','0','','',$env{'form.previous'},undef,undef,undef, 3555: undef,undef,undef,$group); 3556: return OK; 3557: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3558: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3559: if ($env{'form.cmd'} eq 'threadedon') { 3560: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3561: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on'); 3562: } else { 3563: &Apache::lonnet::del('environment',['threadeddiscussion']); 3564: &Apache::lonnet::delenv('environment\.threadeddiscussion'); 3565: } 3566: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3567: '0','0','','',$env{'form.previous'},undef,undef,undef, 3568: undef,undef,undef,$group); 3569: return OK; 3570: } elsif ($env{'form.deldisc'}) { 3571: # --------------------------------------------------------------- Hide for good 3572: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3573: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3574: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3575: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3576: $env{'course.'.$env{'request.course.id'}.'.num'}); 3577: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3578: if ($changelast) { 3579: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3580: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3581: } 3582: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3583: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3584: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3585: $env{'course.'.$env{'request.course.id'}.'.num'}); 3586: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3587: '0','0','','',$env{'form.previous'},undef,undef,undef, 3588: undef,undef,undef,$group); 3589: return OK; 3590: } elsif ($env{'form.preview'}) { 3591: # -------------------------------------------------------- User wants a preview 3592: &show_preview($r); 3593: return OK; 3594: } elsif ($env{'form.attach'}) { 3595: # -------------------------------------------------------- Work on attachments 3596: &Apache::loncommon::content_type($r,'text/html'); 3597: $r->send_http_header; 3598: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3599: my (@currnewattach,@currdelold,@keepold); 3600: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3601: if (exists($env{'form.addnewattach.filename'})) { 3602: unless (length($env{'form.addnewattach'})>131072) { 3603: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3604: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3605: push(@currnewattach, $newattachment); 3606: } 3607: } 3608: my $attachmenturls; 3609: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3610: my $idx = $env{'form.idx'}; 3611: if ($idx) { 3612: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3613: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3614: $env{'course.'.$env{'request.course.id'}.'.num'}); 3615: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3616: } 3617: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3618: $attachmenturls); 3619: return OK; 3620: } elsif ($env{'form.export'}) { 3621: &Apache::loncommon::content_type($r,'text/html'); 3622: $r->send_http_header; 3623: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3624: my $mode='board'; 3625: my $status='OPEN'; 3626: my $previous=$env{'form.previous'}; 3627: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3628: $mode='problem'; 3629: $status=$Apache::inputtags::status[-1]; 3630: } 3631: my $discussion = &list_discussion($mode,$status,$symb); 3632: my $start_page = 3633: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3634: my $end_page = 3635: &Apache::loncommon::end_page(); 3636: $r->print($start_page.$discussion.$end_page); 3637: return OK; 3638: } else { 3639: # ------------------------------------------------------------- Normal feedback 3640: my $feedurl=$env{'form.postdata'}; 3641: $feedurl=~s/^http\:\/\///; 3642: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3643: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3644: $feedurl=~s/\?.+$//; 3645: 3646: my $symb; 3647: if ($env{'form.replydisc'}) { 3648: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3649: } elsif ($env{'form.editdisc'}) { 3650: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3651: } elsif ($env{'form.origpage'}) { 3652: $symb=""; 3653: } else { 3654: $symb=&Apache::lonnet::symbread($feedurl); 3655: } 3656: unless ($symb) { 3657: $symb=$env{'form.symb'}; 3658: } 3659: if (defined($symb)) { 3660: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3661: } else { 3662: # backward compatibility (bulletin boards used to be 'wrapped') 3663: &Apache::lonenc::check_decrypt(\$feedurl); 3664: &dewrapper(\$feedurl); 3665: } 3666: my $goahead=1; 3667: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3668: unless ($symb) { $goahead=0; } 3669: } 3670: if (!$goahead) { 3671: # Ambiguous Problem Resource 3672: $r->internal_redirect('/adm/ambiguous'); 3673: return OK; 3674: } 3675: # Go ahead with feedback, no ambiguous reference 3676: unless ( 3677: ( 3678: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3679: ) 3680: || 3681: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3682: || 3683: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3684: ) { 3685: &Apache::loncommon::content_type($r,'text/html'); 3686: $r->send_http_header; 3687: # Unable to give feedback 3688: &Apache::lonenc::check_encrypt(\$feedurl); 3689: &no_redirect_back($r,$feedurl); 3690: return OK; 3691: } 3692: # --------------------------------------------------- Print login screen header 3693: unless ($env{'form.sendit'}) { 3694: &Apache::lonenc::check_encrypt(\$feedurl); 3695: &Apache::loncommon::content_type($r,'text/html'); 3696: $r->send_http_header; 3697: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3698: my ($blocked,$blocktext) = 3699: &Apache::loncommon::blocking_status('boards'); 3700: if ($blocked) { 3701: $r->print(&blocked_reply_or_edit($blocktext)); 3702: return OK; 3703: } 3704: } 3705: my $options=&screen_header($feedurl,$symb); 3706: if ($options) { 3707: &mail_screen($r,$feedurl,$options,$symb); 3708: } else { 3709: &fail_redirect($r,$feedurl); 3710: } 3711: return OK; 3712: } 3713: 3714: # Get previous user input 3715: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3716: $symb,$env{'user.name'},$env{'user.domain'}, 3717: $env{'request.course.id'}); 3718: 3719: # Get output from resource 3720: &Apache::lonenc::check_encrypt(\$feedurl); 3721: my $usersaw=&resource_output($feedurl); 3722: 3723: # Get resource answer (need to allow student to view grades for this to work) 3724: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 3725: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3726: my $useranswer= 3727: &Apache::loncommon::get_student_answers( 3728: $usersymb,$env{'user.name'},$env{'user.domain'}, 3729: $env{'request.course.id'}); 3730: &Apache::lonnet::delenv('allowed.vgr'); 3731: # Get attachments, if any, and not too large 3732: my $attachmenturl=''; 3733: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3734: ($env{'form.replydisc'})) { 3735: my ($symb,$idx); 3736: if ($env{'form.replydisc'}) { 3737: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3738: } elsif ($env{'form.editdisc'}) { 3739: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3740: } elsif ($env{'form.origpage'}) { 3741: $symb = $env{'form.symb'}; 3742: } 3743: &Apache::lonenc::check_decrypt(\$symb); 3744: my @currnewattach = (); 3745: my @deloldattach = (); 3746: my @keepold = (); 3747: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3748: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3749: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3750: } elsif ($env{'form.attachment.filename'}) { 3751: unless (length($env{'form.attachment'})>131072) { 3752: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback'); 3753: } 3754: } 3755: # Filter HTML out of message (could be nasty) 3756: my $message=&clear_out_html($env{'form.comment'}); 3757: 3758: # Assemble email 3759: my ($email,$citations)=&assemble_email($message,$prevattempts, 3760: $usersaw,$useranswer); 3761: 3762: # Who gets this? 3763: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3764: 3765: # Actually send mail 3766: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3767: undef,1), 3768: $feedurl,$email,$citations, 3769: $attachmenturl,$usersymb,%to); 3770: 3771: # Discussion? Store that. 3772: my $numpost=0; 3773: if ( ($env{'form.discuss'} ne '' 3774: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3775: || $env{'form.anondiscuss'} ne '') { 3776: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3777: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3778: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3779: $subject); 3780: $numpost++; 3781: } 3782: 3783: # Add to blog? 3784: 3785: my $blog=''; 3786: if ($env{'form.blog'}) { 3787: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3788: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3789: $env{'user.domain'}, 3790: 'CourseBlog_'.$env{'request.course.id'}, 3791: $subject,$message,$feedurl,'public'); 3792: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3793: } 3794: 3795: # Receipt screen and redirect back to where came from 3796: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group); 3797: } 3798: return OK; 3799: } 3800: 3801: sub blocked_reply_or_edit { 3802: my ($blocktext) = @_; 3803: return 3804: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3805: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3806: &mt('Back to previous page'). 3807: &Apache::loncommon::end_page(); 3808: } 3809: 3810: sub wrap_symb { 3811: my ($ressymb)=@_; 3812: if ($ressymb =~ /bulletin___\d+___/) { 3813: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3814: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3815: } 3816: } 3817: return $ressymb; 3818: } 3819: sub dewrapper { 3820: my ($feedurl)=@_; 3821: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3822: $$feedurl=~s|^/adm/wrapper||; 3823: } 3824: } 3825: 3826: sub get_feedurl { 3827: my ($symb)=@_; 3828: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3829: my $feedurl = &Apache::lonnet::clutter($url); 3830: &dewrapper(\$feedurl); 3831: return $feedurl; 3832: } 3833: 3834: sub get_feedurl_and_clean_symb { 3835: my ($symb)=@_; 3836: &Apache::lonenc::check_decrypt(\$symb); 3837: # backward compatibility (bulletin boards used to be 'wrapped') 3838: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3839: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3840: } 3841: my $feedurl = &get_feedurl($symb); 3842: return ($symb,$feedurl); 3843: } 3844: 3845: sub editing_allowed { 3846: my ($postid,$group) = @_; 3847: $postid = &unescape($postid); 3848: my $can_edit = 0; 3849: if ($group ne '') { 3850: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3851: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3852: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3853: if (&check_group_priv($group,'egp') eq 'ok') { 3854: $can_edit = 1; 3855: } 3856: return $can_edit; 3857: } 3858: } 3859: my $cid = $env{'request.course.id'}; 3860: my $role = (split(/\./,$env{'request.role'}))[0]; 3861: my $section = $env{'request.course.sec'}; 3862: my $allow_editing_config = 3863: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 3864: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 3865: $can_edit = 1; 3866: } else { 3867: foreach my $editor (split(/,/,$allow_editing_config)) { 3868: my ($editor_role,$editor_sec) = split(/:/,$editor); 3869: if ($editor_role eq $role 3870: && defined($editor_sec) 3871: && defined($section) 3872: && $editor_sec eq $section) { 3873: $can_edit = 1; 3874: last; 3875: } 3876: if ($editor_role eq $role 3877: && !defined($editor_sec)) { 3878: $can_edit = 1; 3879: } 3880: } 3881: } 3882: return $can_edit; 3883: } 3884: 3885: sub check_group_priv { 3886: my ($group,$grp_priv) = @_; 3887: foreach my $priv ('mdg','vcg') { 3888: my $checkcourse = $env{'request.course.id'}. 3889: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 3890: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 3891: return 'ok'; 3892: } 3893: } 3894: if ($grp_priv && $group ne '') { 3895: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 3896: return 'ok'; 3897: } 3898: } 3899: return ''; 3900: } 3901: 3902: sub group_args { 3903: my ($group) = @_; 3904: if ($group eq '') { return ''; } 3905: my $extra_args = '&group='.$group; 3906: if (exists($env{'form.ref'})) { 3907: $extra_args .= '&ref='.$env{'form.ref'}; 3908: } 3909: return $extra_args; 3910: } 3911: 3912: sub get_resource_title { 3913: my ($symb,$feedurl) = @_; 3914: my ($restitle,$plainurl); 3915: if (defined($symb)) { 3916: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 3917: $restitle = &Apache::lonnet::gettitle($plain_symb); 3918: } 3919: if (defined($feedurl)) { 3920: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 3921: } 3922: if (!defined($restitle)) { 3923: if (defined($feedurl)) { 3924: $restitle = &Apache::lonnet::gettitle($plainurl); 3925: } 3926: } 3927: if ($plainurl ne $feedurl) { 3928: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 3929: if ($plain_filename eq $restitle) { 3930: $restitle = &mt('Untitled resource'); 3931: } 3932: } 3933: if ($restitle eq '') { 3934: $restitle = &mt('Untitled resource'); 3935: } 3936: return $restitle; 3937: } 3938: 3939: 1; 3940: __END__