loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.293: download - view: text, annotated - select for diffs
Mon May 17 14:22:37 2010 UTC (14 years ago) by wenzelju
Branches: MAIN
CVS tags: HEAD

Consistent icon for feedback.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.293 2010/05/17 14:22:37 wenzelju Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: if ($env{'request.role.adv'}) { return 1; } 53: if (defined($status) && 54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 55: || $status eq 'OPEN')) { 56: return 0; 57: } 58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 59: if (defined($close) && $close ne '' && $close < time) { 60: return 0; 61: } 62: return 1; 63: } 64: 65: sub discussion_visible { 66: my ($status)=@_; 67: if (not &discussion_open($status)) { 68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 70: if (!$env{'request.role.adv'}) { return 0; } 71: } 72: } 73: return 1; 74: } 75: 76: sub list_discussion { 77: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 78: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 79: unless ($ressymb) { return ''; } 80: $ressymb=&wrap_symb($ressymb); 81: my $outputtarget=$env{'form.grade_target'}; 82: if (defined($env{'form.export'})) { 83: if($env{'form.export'}) { 84: $outputtarget = 'export'; 85: } 86: } 87: if (defined($imsextras)) { 88: if ($$imsextras{'caller'} eq 'imsexport') { 89: $outputtarget = 'export'; 90: } 91: } 92: if (not &discussion_visible($status)) { 93: if ($mode ne 'board') { 94: &Apache::lonenc::check_encrypt(\$ressymb); 95: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 96: } 97: } 98: if ($group ne '' && $mode eq 'board') { 99: if (&check_group_priv($group,'vgb') ne 'ok') { 100: return ''; 101: } 102: } 103: 104: my ($blocked,$blocktext) = 105: &Apache::loncommon::blocking_status('boards'); 106: if ($blocked) { 107: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 108: &Apache::lonenc::check_encrypt(\$ressymb); 109: if ($mode ne 'board') { 110: $blocktext.=&send_message_link($ressymb).'</div>'; 111: }else{ 112: $blocktext.="</div>"; 113: } 114: return $blocktext; 115: } 116: 117: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 118: my $discussiononly=0; 119: if ($mode eq 'board') { $discussiononly=1; } 120: unless ($env{'request.course.id'}) { return ''; } 121: my $crs='/'.$env{'request.course.id'}; 122: my $cid=$env{'request.course.id'}; 123: if ($env{'request.course.sec'}) { 124: $crs.='_'.$env{'request.course.sec'}; 125: } 126: $crs=~s/\_/\//g; 127: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 128: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 129: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 130: 131: my %usernamesort = (); 132: my %namesort =(); 133: my %subjectsort = (); 134: 135: # Get discussion display settings for this discussion 136: my $lastkey = $ressymb.'_lastread'; 137: my $showkey = $ressymb.'_showonlyunread'; 138: my $markkey = $ressymb.'_showonlyunmark', 139: my $visitkey = $ressymb.'_visit'; 140: my $ondispkey = $ressymb.'_markondisp'; 141: my $userpickkey = $ressymb.'_userpick'; 142: my $toggkey = $ressymb.'_readtoggle'; 143: my $readkey = $ressymb.'_read'; 144: $ressymb=$encsymb; 145: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 146: my %discinfo = (); 147: my $showonlyunread = 0; 148: my $showunmark = 0; 149: my $markondisp = 0; 150: my $prevread = 0; 151: my $previous = 0; 152: my $visit = 0; 153: my $newpostsflag = 0; 154: my @posters = split(/\&/,$dischash{$userpickkey}); 155: 156: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 158: my $sortposts = $env{'form.sortposts'}; 159: my $statusfilter = $env{'form.statusfilter'}; 160: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 161: my @grouppick = split(/,/,$env{'form.grouppick'}); 162: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 163: 164: my $totposters = $env{'form.totposters'}; 165: $previous = $env{'form.previous'}; 166: if ($previous > 0) { 167: $prevread = $previous; 168: } elsif (defined($dischash{$lastkey})) { 169: unless ($dischash{$lastkey} eq '') { 170: $prevread = $dischash{$lastkey}; 171: } 172: } 173: 174: my $cdom = $env{'course.'.$cid.'.domain'}; 175: my $cnum = $env{'course.'.$cid.'.num'}; 176: my $crstype = &Apache::loncommon::course_type(); 177: 178: # Get information about students and non-students in course for filtering display of posts 179: my %roleshash = (); 180: my %roleinfo = (); 181: my ($classgroups,$studentgroups); 182: if ($env{'form.rolefilter'}) { 183: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 184: foreach my $rolekey (keys(%roleshash)) { 185: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 186: if ($role =~ /^cr/) { 187: $role = 'cr'; 188: } 189: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 190: my $now = time; 191: my $status = 'Active'; 192: if (($now < $start) || ($end > 0 && $now > $end)) { 193: $status = 'Expired'; 194: } 195: if ($uname && $udom) { 196: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 197: } 198: } 199: my ($classlist,$keylist) = 200: &Apache::loncoursedata::get_classlist($cdom,$cnum); 201: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 202: my $status_index = &Apache::loncoursedata::CL_STATUS(); 203: while (my ($student,$data) = each %$classlist) { 204: my ($section,$status) = ($data->[$sec_index], 205: $data->[$status_index]); 206: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 207: } 208: ($classgroups,$studentgroups) = 209: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 210: $cdom,$cnum); 211: } 212: 213: # Get discussion display default settings for user 214: if ($env{'environment.discdisplay'} eq 'unread') { 215: $showonlyunread = 1; 216: } 217: if ($env{'environment.discmarkread'} eq 'ondisp') { 218: $markondisp = 1; 219: } 220: 221: # Override user's default if user specified display setting for this discussion 222: if (defined($dischash{$ondispkey})) { 223: unless ($dischash{$ondispkey} eq '') { 224: $markondisp = $dischash{$ondispkey}; 225: } 226: } 227: if ($markondisp) { 228: $discinfo{$lastkey} = time; 229: } 230: 231: if (defined($dischash{$showkey})) { 232: unless ($dischash{$showkey} eq '') { 233: $showonlyunread = $dischash{$showkey}; 234: } 235: } 236: 237: if (defined($dischash{$markkey})) { 238: unless ($dischash{$markkey} eq '') { 239: $showunmark = $dischash{$markkey}; 240: } 241: } 242: 243: if (defined($dischash{$visitkey})) { 244: unless ($dischash{$visitkey} eq '') { 245: $visit = $dischash{$visitkey}; 246: } 247: } 248: $visit ++; 249: 250: my $seeid; 251: if (($group ne '') && ($mode eq 'board') && 252: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 253: if (&check_group_priv($group,'dgp') eq 'ok') { 254: $seeid = 1; 255: } 256: } else { 257: $seeid=&Apache::lonnet::allowed('rin',$crs); 258: } 259: my @discussionitems=(); 260: my %shown = (); 261: my @posteridentity=(); 262: 263: my $current=0; 264: my $visible=0; 265: my @depth=(); 266: my @replies = (); 267: my %alldiscussion=(); 268: my %imsitems=(); 269: my %imsfiles=(); 270: my %notshown = (); 271: my %newitem = (); 272: my $maxdepth=0; 273: my %anonhash=(); 274: my $anoncnt=0; 275: my $target=''; 276: 277: my $now = time; 278: $discinfo{$visitkey} = $visit; 279: 280: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 281: &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); 282: 283: my $discussion=''; 284: my $manifestfile; 285: my $manifestok=0; 286: my $tempexport; 287: my $imsresources; 288: my $copyresult; 289: 290: my $function = &Apache::loncommon::get_users_function(); 291: my $color = &Apache::loncommon::designparm($function.'.tabbg', 292: $env{'user.domain'}); 293: my %lt = &Apache::lonlocal::texthash( 294: 'cuse' => 'Current discussion settings', 295: 'allposts' => 'All posts', 296: 'unread' => 'New posts only', 297: 'unmark' => 'Unread only', 298: 'ondisp' => 'Once displayed', 299: 'onmark' => 'Once marked not NEW', 300: 'toggoff' => 'Off', 301: 'toggon' => 'On', 302: 'disa' => 'Posts to be displayed', 303: 'npce' => 'Posts cease to be marked "NEW"', 304: 'epcb' => 'Each post can be toggled read/unread', 305: 'chgt' => 'Change', 306: 'disp' => 'Display', 307: 'nolo' => 'Not new', 308: 'togg' => 'Toggle read/unread', 309: 'aner' => 'An error occurred opening the manifest file.', 310: 'difo' => 'Discussion for', 311: 'aerr' => 'An error occurred opening the export file for posting', 312: 'aysu' => 'Are you sure you want to delete this post?', 313: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 314: 'bwco' => 'but will continue to be visible to your instructor', 315: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 316: ); 317: 318: my $currdisp = $lt{'allposts'}; 319: my $currmark = $lt{'onmark'}; 320: my $currtogg = $lt{'toggoff'}; 321: my $dispchange = $lt{'unread'}; 322: my $markchange = $lt{'ondisp'}; 323: my $toggchange = $lt{'toggon'}; 324: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 325: my $displinkA = 'onlyunread'; 326: my $displinkB = 'onlyunmark'; 327: my $marklink = 'markondisp'; 328: my $togglink = 'toggon'; 329: 330: if ($markondisp) { 331: $currmark = $lt{'ondisp'}; 332: $markchange = $lt{'onmark'}; 333: $marklink = 'markonread'; 334: } 335: 336: if ($showonlyunread) { 337: $currdisp = $lt{'unread'}; 338: $dispchange = $lt{'allposts'}; 339: $displinkA = 'allposts'; 340: } 341: 342: if ($showunmark) { 343: $currdisp = $lt{'unmark'}; 344: $dispchange = $lt{'unmark'}; 345: $displinkA='allposts'; 346: $displinkB='onlyunread'; 347: $showonlyunread = 0; 348: } 349: 350: if ($dischash{$toggkey}) { 351: $currtogg = $lt{'toggon'}; 352: $toggchange = $lt{'toggoff'}; 353: $togglink = 'toggoff'; 354: } 355: 356: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 357: 358: if ($newpostsflag) { 359: $chglink .= '&previous='.$prevread; 360: } 361: $chglink.=&group_args($group); 362: 363: if ($visible) { 364: # Print the discusssion 365: if ($outputtarget eq 'tex') { 366: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 367: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 368: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 369: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 370: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 371: } elsif ($outputtarget eq 'export') { 372: # Create temporary directory if this is an export 373: my $now = time; 374: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 375: $tempexport = $$imsextras{'tempexport'}; 376: if (!-e $tempexport) { 377: mkdir($tempexport,0700); 378: } 379: $tempexport .= '/'.$$imsextras{'count'}; 380: if (!-e $tempexport) { 381: mkdir($tempexport,0700); 382: } 383: } else { 384: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 385: if (!-e $tempexport) { 386: mkdir($tempexport,0700); 387: } 388: $tempexport .= '/'.$now; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 393: } 394: if (!-e $tempexport) { 395: mkdir($tempexport,0700); 396: } 397: # open manifest file 398: my $manifest = '/imsmanifest.xml'; 399: my $manifestfilename = $tempexport.$manifest; 400: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 401: $manifestok=1; 402: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 403: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 404: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 405: identifier="MANIFEST-$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: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 416: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 417: var symbparm = symb+':::'+idx 418: var prevparm = "" 419: if (newflag == 1) { 420: prevparm = "&previous="+previous 421: } 422: if (caller == 'studentdelete') { 423: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 424: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 425: } 426: } else { 427: if (caller == 'seeiddelete') { 428: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 429: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 430: } 431: } 432: } 433: } 434: |); 435: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 436: "\n".'<table class="LC_discussion">'; 437: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 438: $newpostsflag,$group, 439: $prevread,$markondisp); 440: my $escsymb=&escape($ressymb); 441: my $numhidden = keys(%notshown); 442: if ($numhidden > 0) { 443: my $colspan = $maxdepth+1; 444: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 445: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 446: if ($newpostsflag) { 447: $discussion .= '&previous='.$prevread; 448: } 449: $discussion .= &group_args($group); 450: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 451: $numhidden.' '; 452: if ($showunmark) { 453: $discussion .= &mt('posts previously marked read'); 454: } else { 455: $discussion .= &mt('previously viewed posts'); 456: } 457: $discussion .= '<br/></td></tr>'; 458: } 459: } 460: 461: # Choose sort mechanism 462: my @showposts = (); 463: if ($sortposts eq 'descdate') { 464: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 465: } elsif ($sortposts eq 'thread') { 466: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 467: } elsif ($sortposts eq 'subject') { 468: foreach my $key (sort(keys(%subjectsort))) { 469: push(@showposts, @{$subjectsort{$key}}); 470: } 471: } elsif ($sortposts eq 'username') { 472: foreach my $domain (sort(keys(%usernamesort))) { 473: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 474: push(@showposts, @{$usernamesort{$domain}{$key}}); 475: } 476: } 477: } elsif ($sortposts eq 'lastfirst') { 478: foreach my $last (sort(keys(%namesort))) { 479: foreach my $key (sort(keys(%{$namesort{$last}}))) { 480: push(@showposts, @{$namesort{$last}{$key}}); 481: } 482: } 483: } else { 484: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 485: } 486: my $currdepth = 0; 487: my $firstidx = $alldiscussion{$showposts[0]}; 488: foreach my $post (@showposts) { 489: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 490: $alldiscussion{$post} = $post; 491: } 492: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 493: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 494: $discussion.="\n<tr>"; 495: } 496: my $thisdepth=$depth[$alldiscussion{$post}]; 497: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 498: for (1..$thisdepth) { 499: $discussion.='<td>   </td>'; 500: } 501: } 502: my $colspan=$maxdepth-$thisdepth+1; 503: if ($outputtarget eq 'tex') { 504: #cleanup block 505: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 506: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 507: my $threadinsert=''; 508: if ($thisdepth > 0) { 509: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 510: } 511: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 512: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 513: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 514: 515: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 516: $discussion.=$discussionitems[$alldiscussion{$post}]; 517: } elsif ($outputtarget eq 'export') { 518: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 519: if ($manifestok) { 520: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 521: print $manifestfile ' </item>'."\n"; 522: } 523: $currdepth = $depth[$alldiscussion{$post}]; 524: print $manifestfile "\n". 525: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 526: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 527: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 528: $imsresources .= "\n". 529: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 530: '<file href="'.$postfilename.'">'."\n". 531: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 532: '</resource>'; 533: } 534: my $postingfile; 535: my $postingfilename = $tempexport.'/'.$postfilename; 536: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 537: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 538: $imsitems{$alldiscussion{$post}}{'title'}.' '. 539: $imsitems{$alldiscussion{$post}}{'sender'}. 540: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 541: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 542: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 543: close($postingfile); 544: } else { 545: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 546: } 547: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 548: } else { 549: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 550: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 551: '</td></tr>'; 552: } 553: } 554: } 555: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 556: my $colspan=$maxdepth+1; 557: $discussion .= <<END; 558: <tr bgcolor="#FFFFFF"> 559: <td colspan="$colspan" class="LC_disc_action_links_bar"> 560: <table class="LC_disc_action_table"> 561: <tr> 562: <td align="left"> 563: <table border="0" cellpadding="0" cellspacing="4"> 564: <tr> 565: <td> 566: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 567: <td> </td> 568: <td><font size="-1"> 569: END 570: if ($newpostsflag) { 571: $discussion .= 572: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 573: if ($dischash{$toggkey}) { 574: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 575: } 576: } else { 577: if ($dischash{$toggkey}) { 578: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 579: } else { 580: $discussion .= 581: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 582: } 583: } 584: $discussion .= <<END; 585: </font></td> 586: <td> </td> 587: <td align="left"> 588: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 589: </td> 590: </tr> 591: </table> 592: </td> 593: END 594: if ($sortposts) { 595: my %sort_types = (); 596: my %role_types = (); 597: my %status_types = (); 598: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 599: 600: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 601: if (defined($env{'form.totposters'})) { 602: $discussion .= &mt('Posts by').':'; 603: if ($totposters > 0) { 604: foreach my $poster (@posters) { 605: $discussion .= ' '.$poster.','; 606: } 607: $discussion =~ s/,$//; 608: } else { 609: $discussion .= &mt('None selected'); 610: } 611: } else { 612: my $filterchoice =''; 613: if (@sectionpick > 0) { 614: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 615: $filterchoice .= '    '; 616: } 617: if (@grouppick > 0) { 618: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 619: $filterchoice .= '    '; 620: } 621: if (@rolefilter > 0) { 622: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 623: foreach my $role (@rolefilter) { 624: $filterchoice .= ' '.$role_types{$role}.','; 625: } 626: $filterchoice =~ s/,$//; 627: $filterchoice .= '<br />'.(' ' x8); 628: } 629: if ($statusfilter) { 630: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 631: } 632: if ($filterchoice) { 633: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 634: } 635: $discussion .= '</font></td>'; 636: } 637: } 638: if ($dischash{$toggkey}) { 639: my $storebutton = &mt('Save read/unread changes'); 640: $discussion.='<td align="right">'. 641: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 642: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 643: ' onclick="this.form.submit();" />'."\n". 644: '</td>'; 645: } 646: $discussion .= (<<END); 647: </tr> 648: </table> 649: </td> 650: </tr> 651: END 652: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 653: $newpostsflag,$group, 654: $prevread,$markondisp); 655: $discussion .= " 656: </table> 657: <br /><br /></form>\n"; 658: } 659: if ($outputtarget eq 'export') { 660: if ($manifestok) { 661: while ($currdepth > 0) { 662: print $manifestfile " </item>\n"; 663: $currdepth --; 664: } 665: print $manifestfile qq| 666: </organization> 667: </organizations> 668: <resources> 669: $imsresources 670: </resources> 671: </manifest> 672: |; 673: close($manifestfile); 674: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 675: $discussion = $copyresult; 676: } else { 677: 678: #Create zip file in prtspool 679: 680: my $imszipfile = '/prtspool/'. 681: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 682: time.'_'.rand(1000000000).'.zip'; 683: my $cwd = &getcwd(); 684: my $imszip = '/home/httpd/'.$imszipfile; 685: chdir $tempexport; 686: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 687: close(OUTPUT); 688: chdir $cwd; 689: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 690: if ($copyresult) { 691: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 692: } 693: } 694: } else { 695: $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 />'; 696: } 697: return $discussion; 698: } 699: } 700: if ($discussiononly) { 701: my $now = time; 702: my $attachnum = 0; 703: my $currnewattach = []; 704: my $currdelold = []; 705: my $comment = ''; 706: my $subject = ''; 707: if ($env{'form.origpage'}) { 708: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 709: $subject = &unescape($env{'form.subject'}); 710: $comment = &unescape($env{'form.comment'}); 711: my @keepold = (); 712: &process_attachments($currnewattach,$currdelold,\@keepold); 713: if (@{$currnewattach} > 0) { 714: $attachnum += @{$currnewattach}; 715: } 716: } 717: if (&discussion_open($status)) { 718: if (($group ne '') && ($mode eq 'board')) { 719: if (&check_group_priv($group,'pgd') eq 'ok') { 720: $discussion .= 721: &postingform_display($mode,$ressymb,$now,$subject, 722: $comment,$outputtarget,$attachnum, 723: $currnewattach,$currdelold, 724: $group,$crstype); 725: } 726: } else { 727: $discussion.= 728: &postingform_display($mode,$ressymb,$now,$subject, 729: $comment,$outputtarget,$attachnum, 730: $currnewattach,$currdelold,'',$crstype); 731: } 732: } 733: } else { 734: $discussion.='<div class="LC_feedback_link">'; 735: if (&discussion_open($status) && 736: &Apache::lonnet::allowed('pch', 737: $env{'request.course.id'}. 738: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 739: if ($outputtarget ne 'tex') { 740: $discussion.= &send_feedback_link($ressymb,$target); 741: } 742: } 743: if ($outputtarget ne 'tex') { 744: $discussion.= &send_message_link($ressymb); 745: } 746: $discussion.='</div>'; 747: } 748: return $discussion; 749: } 750: 751: sub send_feedback_link { 752: my ($ressymb,$target) = @_; 753: my $output = '<span class="LC_feedback_link">'. 754: ' <a href="/adm/feedback?replydisc='. 755: &escape($ressymb).':::" '.$target.'>'. 756: '<img alt="" class="LC_noBorder" src="'. 757: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 758: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 759: return $output; 760: } 761: 762: sub send_message_link { 763: my ($ressymb) = @_; 764: my $output = '<span class="LC_message_link">'. 765: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 766: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 767: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 768: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 769: return $output; 770: } 771: 772: sub action_links_bar { 773: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 774: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 775: '<table width="100%" class="LC_disc_action_table"><tr>'. 776: '<td class="LC_disc_action_left">'; 777: my $escsymb=&escape($ressymb); 778: if ($visible>2) { 779: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 780: if ($newpostsflag) { 781: $discussion .= '&previous='.$prevread; 782: } 783: $discussion .= &group_args($group); 784: $discussion .='">'.&mt('Threaded View').'</a>  '. 785: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 786: if ($newpostsflag) { 787: $discussion .= '&previous='.$prevread; 788: } 789: $discussion .= &group_args($group); 790: $discussion .='">'.&mt('Chronological View').'</a>   791: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 792: if ($newpostsflag) { 793: $discussion .= '&previous='.$prevread; 794: } 795: $discussion .= &group_args($group); 796: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 797: } 798: $discussion .='<a href="/adm/feedback?export='.$escsymb; 799: if ($newpostsflag) { 800: $discussion .= '&previous='.$prevread; 801: } 802: $discussion .= &group_args($group); 803: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 804: if ($newpostsflag) { 805: if (!$markondisp) { 806: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 807: $discussion .= &group_args($group); 808: $discussion .= '">'. 809: &mt('Preferences on what is marked as NEW'). 810: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 811: $discussion .= &group_args($group); 812: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 813: } else { 814: $discussion .= '<td> </td>'; 815: } 816: } else { 817: $discussion .= '<td> </td>'; 818: } 819: $discussion .= '</tr></table></td></tr>'; 820: return $discussion; 821: } 822: 823: sub postingform_display { 824: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 825: $currnewattach,$currdelold,$group,$crstype) = @_; 826: my $newattachmsg; 827: my %lt = &Apache::lonlocal::texthash( 828: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 829: 'title' => 'Title', 830: 'podi' => 'Post Discussion', 831: 'poan' => 'Post Anonymous Discussion', 832: 'newa' => 'New attachments', 833: ); 834: if ($crstype eq 'Community') { 835: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 836: } 837: my $postingform = (<<ENDDISCUSS); 838: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 839: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 840: <input type="hidden" name="sendit" value="true" /> 841: <input type="hidden" name="timestamp" value="$now" /> 842: <br /><a name="newpost"></a> 843: <font size="1">$lt{'note'}</font><br /> 844: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 845: <textarea name="comment" cols="80" rows="14" >$comment</textarea> 846: ENDDISCUSS 847: if ($env{'form.origpage'}) { 848: $postingform .= '<input type="hidden" name="origpage" value="'. 849: $env{'form.origpage'}.'" />'."\n"; 850: foreach my $att (@{$currnewattach}) { 851: $postingform .= '<input type="hidden" name="currnewattach" '. 852: 'value="'.$att.'" />'."\n"; 853: } 854: } 855: if (exists($env{'form.ref'})) { 856: $postingform .= '<input type="hidden" name="ref" value="'. 857: $env{'form.ref'}.'" />'; 858: } 859: if ($group ne '') { 860: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 861: } 862: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 863: if (!$blockblog) { 864: $postingform .= &add_blog_checkbox($crstype); 865: } 866: $postingform .= "</form>\n"; 867: if ($outputtarget ne 'tex') { 868: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 869: $now,$currnewattach, 870: $currdelold,'',$mode, 871: $blockblog); 872: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 873: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 874: if (@{$currnewattach} > 1) { 875: $newattachmsg .= '<ol>'; 876: foreach my $item (@{$currnewattach}) { 877: $item =~ m#.*/([^/]+)$#; 878: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 879: } 880: $newattachmsg .= '</ol>'."\n"; 881: } else { 882: $$currnewattach[0] =~ m#.*/([^/]+)$#; 883: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 884: } 885: } 886: $postingform .= $newattachmsg; 887: $postingform .= &generate_preview_button(); 888: } 889: return $postingform; 890: } 891: 892: sub build_posting_display { 893: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 894: my @original=(); 895: my @index=(); 896: my $skip_group_check = 0; 897: my $symb=&Apache::lonenc::check_decrypt($ressymb); 898: my $escsymb=&escape($ressymb); 899: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 900: $env{'course.'.$env{'request.course.id'}.'.domain'}, 901: $env{'course.'.$env{'request.course.id'}.'.num'}); 902: 903: my $see_anonymous = 904: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 905: 906: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 907: $skip_group_check = 1; 908: } 909: if ($contrib{'version'}) { 910: my $oldest = $contrib{'1:timestamp'}; 911: if ($prevread eq '0') { 912: $prevread = $oldest-1; 913: } 914: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 915: if ($sortposts) { 916: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 917: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 918: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 919: } 920: for (my $id=1;$id<=$contrib{'version'};$id++) { 921: my $idx=$id; 922: my $posttime = $contrib{$idx.':timestamp'}; 923: if ($prevread <= $posttime) { 924: $$newpostsflag = 1; 925: } 926: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 927: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 928: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 929: my $origindex='0.'; 930: my $numoldver=0; 931: if ($contrib{$idx.':replyto'}) { 932: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 933: # this is a follow-up message 934: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 935: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 936: $origindex=$index[$contrib{$idx.':replyto'}]; 937: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 938: } else { 939: $original[$idx]=0; 940: $$depth[$idx]=0; 941: } 942: } else { 943: # this is an original message 944: $original[$idx]=0; 945: $$depth[$idx]=0; 946: } 947: if ($$replies[$$depth[$idx]]) { 948: $$replies[$$depth[$idx]]++; 949: } else { 950: $$replies[$$depth[$idx]]=1; 951: } 952: unless ((($hidden) && (!$seeid)) || ($deleted)) { 953: $$visible++; 954: if ($contrib{$idx.':history'}) { 955: if ($contrib{$idx.':history'} =~ /:/) { 956: my @oldversions = split(/:/,$contrib{$idx.':history'}); 957: $numoldver = @oldversions; 958: } else { 959: $numoldver = 1; 960: } 961: } 962: $$current = $numoldver; 963: my %messages = (); 964: my %subjects = (); 965: my %attachtxt = (); 966: my %allattachments = (); 967: my ($screenname,$plainname); 968: my $sender = &mt('Anonymous'); 969: # Anonymous users getting number within a discussion 970: # Since idx is in static order, this should give the same sequence every time. 971: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 972: unless ($$anonhash{$key}) { 973: $anoncnt++; 974: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 975: } 976: my ($message,$subject,$vgrlink,$ctlink); 977: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 978: 979: 980: # Set up for sorting by subject 981: unless ($outputtarget eq 'export') { 982: $message=$messages{$numoldver}; 983: $message.=$attachtxt{$numoldver}; 984: $subject=$subjects{$numoldver}; 985: if ($message) { 986: if ($hidden) { 987: $message='<font color="#888888">'.$message.'</font>'; 988: if ($studenthidden) { 989: $message .='<br /><br />Deleted by poster (student).'; 990: } 991: } 992: 993: if ($subject eq '') { 994: if (defined($$subjectsort{'__No subject'})) { 995: push(@{$$subjectsort{'__No subject'}}, $idx); 996: } else { 997: @{$$subjectsort{'__No subject'}} = ("$idx"); 998: } 999: } else { 1000: if (defined($$subjectsort{$subject})) { 1001: push(@{$$subjectsort{$subject}}, $idx); 1002: } else { 1003: @{$$subjectsort{$subject}} = ("$idx"); 1004: } 1005: } 1006: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1007: $sender=&Apache::loncommon::aboutmewrapper( 1008: $plainname, 1009: $contrib{$idx.':sendername'}, 1010: $contrib{$idx.':senderdomain'}).' ('. 1011: $contrib{$idx.':sendername'}.':'. 1012: $contrib{$idx.':senderdomain'}.')'; 1013: $sender = '<b>'.$sender.'</b>'; 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>'.$$anonhash{$key}.'</i>'; 1096: } 1097: $sender = '<b>'.$sender.'</b>'; 1098: # Set up for sorting by domain, then username for anonymous 1099: unless (defined($$usernamesort{'__anon'})) { 1100: %{$$usernamesort{'__anon'}} = (); 1101: } 1102: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1103: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1104: } else { 1105: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1106: } 1107: # Set up for sorting by last name, then first name for anonymous 1108: unless (defined($$namesort{'__anon'})) { 1109: %{$$namesort{'__anon'}} = (); 1110: } 1111: if (defined($$namesort{'__anon'}{'__anon'})) { 1112: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1113: } else { 1114: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1115: } 1116: } 1117: if (&discussion_open($status)) { 1118: if (($group ne '') && 1119: (&check_group_priv($group,'pgd') eq 'ok')) { 1120: $sender.=' <a href="/adm/feedback?replydisc='. 1121: $escsymb.':::'.$idx; 1122: if ($$newpostsflag) { 1123: $sender .= '&previous='.$prevread; 1124: } 1125: $sender .= &group_args($group); 1126: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1127: } elsif (&Apache::lonnet::allowed('pch', 1128: $env{'request.course.id'}. 1129: ($env{'request.course.sec'}?'/'. 1130: $env{'request.course.sec'}:''))) { 1131: $sender.=' <a href="/adm/feedback?replydisc='. 1132: $escsymb.':::'.$idx; 1133: if ($$newpostsflag) { 1134: $sender .= '&previous='.$prevread; 1135: } 1136: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1137: } 1138: } 1139: if ($viewgrades) { 1140: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1141: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1142: } 1143: if ($$dischash{$readkey}=~/\.$idx\./) { 1144: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1145: } else { 1146: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1147: } 1148: } 1149: #figure out at what position this needs to print 1150: } 1151: if ($outputtarget eq 'export' || $message) { 1152: my $thisindex=$idx; 1153: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1154: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1155: } 1156: $$alldiscussion{$thisindex}=$idx; 1157: $$shown{$idx} = 0; 1158: $index[$idx]=$thisindex; 1159: } 1160: if ($outputtarget eq 'export') { 1161: %{$$imsitems{$idx}} = (); 1162: $$imsitems{$idx}{'isvisible'}='true'; 1163: if ($hidden) { 1164: $$imsitems{$idx}{'isvisible'}='false'; 1165: } 1166: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1167: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1168: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1169: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1170: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1171: $contrib{$idx.':sendername'}.':'. 1172: $contrib{$idx.':senderdomain'}.')'; 1173: $$imsitems{$idx}{'isanonymous'}='false'; 1174: if ($contrib{$idx.':anonymous'}) { 1175: $$imsitems{$idx}{'isanonymous'}='true'; 1176: } 1177: $$imsitems{$idx}{'currversion'}=$numoldver; 1178: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1179: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1180: $$shown{$idx} = 1; 1181: } 1182: } else { 1183: if ($message) { 1184: my $spansize = 2; 1185: if ($showonlyunread && $prevread > $posttime) { 1186: $$notshown{$idx} = 1; 1187: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1188: $$notshown{$idx} = 1; 1189: } else { 1190: # apply filters 1191: my $uname = $contrib{$idx.':sendername'}; 1192: my $udom = $contrib{$idx.':senderdomain'}; 1193: my $poster = $uname.':'.$udom; 1194: if ($env{'form.totposters'} ne '') { 1195: if ($totposters == 0) { 1196: $$shown{$idx} = 0; 1197: } elsif ($totposters > 0) { 1198: if (grep/^$poster$/,@{$posters}) { 1199: $$shown{$idx} = 1; 1200: } 1201: } 1202: } elsif ($sortposts) { 1203: if ($skiptest) { 1204: $$shown{$idx} = 1; 1205: } else { 1206: foreach my $role (@{$$roleinfo{$poster}}) { 1207: if ($role =~ /^cc:/) { 1208: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1209: if ($role =~ /$cc_regexp/) { 1210: $$shown{$idx} = 1; 1211: last; 1212: } 1213: } elsif ($role =~ /^$rolematch$/) { 1214: $$shown{$idx} = 1; 1215: last; 1216: } 1217: } 1218: } 1219: if ($$shown{$idx} && !$skip_group_check) { 1220: my $showflag = 0; 1221: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1222: foreach my $grp (@{$grouppick}) { 1223: if (grep/^\Q$grp\E$/, 1224: keys(%{$$classgroups{$poster}{active}})) { 1225: $showflag = 1; 1226: last; 1227: } 1228: } 1229: } 1230: if ($showflag) { 1231: $$shown{$idx} = 1; 1232: } else { 1233: $$shown{$idx} = 0; 1234: } 1235: } 1236: } else { 1237: $$shown{$idx} = 1; 1238: } 1239: } 1240: unless ($$notshown{$idx} == 1) { 1241: if ($prevread > 0 && $prevread <= $posttime) { 1242: $$newitem{$idx} = 1; 1243: $$discussionitems[$idx] .= ' 1244: <table border="0" width="100%"> 1245: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>'; 1246: } else { 1247: $$newitem{$idx} = 0; 1248: $$discussionitems[$idx] .= ' 1249: <table border="0" width="100%"> 1250: <tr><td align="left"> </td>'; 1251: } 1252: $$discussionitems[$idx] .= '<td align="left">  '. 1253: '<b>'.$subject.'</b>  '. 1254: $sender.' '.$vgrlink.' ('. 1255: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1256: if ($$dischash{$toggkey}) { 1257: $$discussionitems[$idx].='<td align="right">  '. 1258: $ctlink.'</td>'; 1259: } 1260: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1261: $message.'</blockquote>'; 1262: if ($contrib{$idx.':history'}) { 1263: my @postversions = (); 1264: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1265: if ($seeid) { 1266: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1267: $$discussionitems[$idx] .= &group_args($group); 1268: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1269: } 1270: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1271: if ($contrib{$idx.':history'} =~ m/:/) { 1272: @postversions = split(/:/,$contrib{$idx.':history'}); 1273: } else { 1274: @postversions = ("$contrib{$idx.':history'}"); 1275: } 1276: for (my $i=0; $i<@postversions; $i++) { 1277: my $version = $i+1; 1278: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1279: } 1280: } 1281: } 1282: } 1283: } 1284: } 1285: } 1286: } 1287: } 1288: 1289: sub filter_regexp { 1290: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1291: my ($roleregexp,$secregexp,$statusregexp); 1292: my $skiptest = 1; 1293: if (@{$rolefilter} > 0) { 1294: my @okrolefilter = (); 1295: foreach my $role (@{$rolefilter}) { 1296: unless ($role eq '') { 1297: push(@okrolefilter, $role); 1298: } 1299: } 1300: if (@okrolefilter > 0) { 1301: if (grep/^all$/,@okrolefilter) { 1302: $roleregexp='[^:]+'; 1303: } else { 1304: if (@okrolefilter == 1) { 1305: $roleregexp=$okrolefilter[0]; 1306: } else { 1307: $roleregexp='('.join('|',@okrolefilter).')'; 1308: } 1309: $skiptest = 0; 1310: } 1311: } 1312: } 1313: if (@{$sectionpick} > 0) { 1314: my @oksectionpick = (); 1315: foreach my $sec (@{$sectionpick}) { 1316: unless ($sec eq '') { 1317: push(@oksectionpick, $sec); 1318: } 1319: } 1320: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1321: if (@oksectionpick == 1) { 1322: $secregexp = $oksectionpick[0]; 1323: } else { 1324: $secregexp .= '('.join('|',@oksectionpick).')'; 1325: } 1326: $skiptest = 0; 1327: } else { 1328: $secregexp .= '[^:]*'; 1329: } 1330: } 1331: 1332: if (defined($statusfilter) && $statusfilter ne '') { 1333: if ($statusfilter eq 'all') { 1334: $statusregexp = '[^:]+'; 1335: } else { 1336: $statusregexp = $statusfilter; 1337: $skiptest = 0; 1338: } 1339: } 1340: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1341: } 1342: 1343: 1344: sub get_post_contents { 1345: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1346: my $discussion = ''; 1347: my $start=$numver; 1348: my $end=$numver + 1; 1349: %{$$imsfiles{$idx}}=(); 1350: if ($type eq 'allversions') { 1351: unless($seeid) { 1352: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1353: return $discussion; 1354: } 1355: } 1356: # $$screenname=&Apache::loncommon::screenname( 1357: # $$contrib{$idx.':sendername'}, 1358: # $$contrib{$idx.':senderdomain'}); 1359: $$plainname=&Apache::loncommon::nickname( 1360: $$contrib{$idx.':sendername'}, 1361: $$contrib{$idx.':senderdomain'}); 1362: $$screenname=$$contrib{$idx.':screenname'}; 1363: 1364: my $sender=&Apache::loncommon::aboutmewrapper( 1365: $$plainname, 1366: $$contrib{$idx.':sendername'}, 1367: $$contrib{$idx.':senderdomain'}).' ('. 1368: $$contrib{$idx.':sendername'}.':'. 1369: $$contrib{$idx.':senderdomain'}.')'; 1370: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1371: my @postversions = (); 1372: if ($type eq 'allversions' || $type eq 'export') { 1373: $start = 0; 1374: if ($$contrib{$idx.':history'}) { 1375: @postversions = split(/:/,$$contrib{$idx.':history'}); 1376: } 1377: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1378: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1379: push(@postversions,$$contrib{$idx.':timestamp'}); 1380: $end = @postversions; 1381: } else { 1382: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1383: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1384: } 1385: 1386: if ($$contrib{$idx.':anonymous'}) { 1387: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1388: } 1389: if ($type eq 'allversions') { 1390: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1391: } 1392: for (my $i=$start; $i<$end; $i++) { 1393: my ($timesent,$attachmsg); 1394: my %currattach = (); 1395: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1396: unless (&contains_block_html($messages->{$i})) { 1397: &newline_to_br(\$messages->{$i}); 1398: } 1399: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1400: $$subjects{$i}=~s/\n/\<br \/\>/g; 1401: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1402: if ($attachmenturls) { 1403: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1404: } 1405: if ($type eq 'export') { 1406: $$imsfiles{$idx}{$i} = ''; 1407: if ($attachmsg) { 1408: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1409: foreach my $key (sort(keys(%currattach))) { 1410: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1411: my $fname = $1.$3.'/'.$4; 1412: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1413: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1414: } 1415: } 1416: } 1417: } else { 1418: if ($attachmsg) { 1419: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1420: } else { 1421: $$attachtxt{$i} = ''; 1422: } 1423: } 1424: if ($type eq 'allversions') { 1425: $discussion.= <<"END"; 1426: <li><b>$$subjects{$i}</b>, $timesent<br /> 1427: $$messages{$i}<br /> 1428: $$attachtxt{$i}</li> 1429: END 1430: } 1431: } 1432: if ($type eq 'allversions') { 1433: $discussion.='</ul>'; 1434: return $discussion; 1435: } else { 1436: return; 1437: } 1438: } 1439: 1440: sub replicate_attachments { 1441: my ($attachrefs,$tempexport) = @_; 1442: my $response; 1443: foreach my $id (keys(%{$attachrefs})) { 1444: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1445: my $path = $tempexport; 1446: my $tail = $1.'/'.$2.$4; 1447: my @extras = split(/\//,$tail); 1448: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1449: if (!-e $destination) { 1450: my $i= 0; 1451: while ($i<@extras) { 1452: $path .= '/'.$extras[$i]; 1453: if (!-e $path) { 1454: mkdir($path,0700); 1455: } 1456: $i ++; 1457: } 1458: my ($content,$rtncode); 1459: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1460: if ($uploadreply eq 'ok') { 1461: my $attachcopy; 1462: if ($attachcopy = Apache::File->new('>'.$destination)) { 1463: print $attachcopy $content; 1464: close($attachcopy); 1465: } else { 1466: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1467: } 1468: } else { 1469: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1470: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1471: } 1472: } 1473: } 1474: } 1475: return $response; 1476: } 1477: 1478: sub mail_screen { 1479: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1480: if (exists($env{'form.origpage'})) { 1481: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1482: } 1483: 1484: my %lt = &Apache::lonlocal::texthash( 1485: 'myqu' => 'My question/comment/feedback:', 1486: 'title' => 'Title', 1487: 'reta' => 'Retained attachments', 1488: 'atta' => 'Attachment', 1489: ); 1490: my $restitle = &get_resource_title($caller_symb,$feedurl); 1491: my $quote=''; 1492: my $subject = ''; 1493: my $comment = ''; 1494: my $prevtag = ''; 1495: my $parentmsg = ''; 1496: my ($symb,$idx,$attachmenturls); 1497: my $numoldver = 0; 1498: my $attachmsg = ''; 1499: my $newattachmsg = ''; 1500: my @currnewattach = (); 1501: my @currdelold = (); 1502: my @keepold = (); 1503: my %attachments = (); 1504: my %currattach = (); 1505: my $attachnum = 0; 1506: my $anonchk = (<<END); 1507: function anonchk() { 1508: for (var i=0; i < document.mailform.discuss.length; i++) { 1509: if (document.mailform.discuss[i].checked) { 1510: document.attachment.discuss.value = 1511: document.mailform.discuss[i].value; 1512: } 1513: } 1514: if (document.mailform.blog.checked) { 1515: document.attachment.blog.value = 1; 1516: } 1517: return 1518: } 1519: END 1520: my $anonscript; 1521: if (exists($env{'form.origpage'})) { 1522: $anonscript = (<<END); 1523: function setposttype() { 1524: var disc = "$env{'form.discuss'}"; 1525: for (var i=0; i < document.mailform.discuss.length; i++) { 1526: if (disc == document.mailform.discuss[i].value) { 1527: document.mailform.discuss[i].checked = 1; 1528: } 1529: } 1530: var blog = "$env{'form.blog'}"; 1531: if (blog == 1) { 1532: document.mailform.blog.checked=1; 1533: } 1534: return 1535: } 1536: END 1537: } else { 1538: $anonscript = (<<END); 1539: function setposttype() { 1540: return 1541: } 1542: END 1543: } 1544: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1545: if ($env{'form.replydisc'}) { 1546: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1547: } else { 1548: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1549: } 1550: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1551: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1552: $env{'course.'.$env{'request.course.id'}.'.num'}); 1553: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1554: if ($contrib{$idx.':history'}) { 1555: if ($contrib{$idx.':history'} =~ /:/) { 1556: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1557: $numoldver = @oldversions; 1558: } else { 1559: $numoldver = 1; 1560: } 1561: } 1562: if ($env{'form.replydisc'}) { 1563: if ($contrib{$idx.':history'}) { 1564: if ($contrib{$idx.':history'} =~ /:/) { 1565: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1566: $numoldver = @oldversions; 1567: } else { 1568: $numoldver = 1; 1569: } 1570: } 1571: if ($idx > 0) { 1572: my %msgversions = (); 1573: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1574: $quote = $msgversions{$numoldver}; 1575: } 1576: if ($idx > 0) { 1577: my %subversions = (); 1578: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1579: $subject = &mt('Re: ').$subversions{$numoldver}; 1580: } 1581: $subject = &HTML::Entities::encode($subject,'<>&"'); 1582: } else { 1583: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1584: if ($idx > 0) { 1585: my %msgversions = (); 1586: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1587: $comment = $msgversions{$numoldver}; 1588: my %subversions = (); 1589: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1590: $subject = $subversions{$numoldver}; 1591: } 1592: if (defined($contrib{$idx.':replyto'})) { 1593: $parentmsg = $contrib{$idx.':replyto'}; 1594: } 1595: unless (exists($env{'form.origpage'})) { 1596: my $anonflag = 'nonanon'; 1597: if ($contrib{$idx.':anonymous'}) { 1598: $anonflag = 'anon'; 1599: } 1600: $anonscript = (<<END); 1601: function setposttype () { 1602: var currtype = "$anonflag"; 1603: for (var i=0; i<document.mailform.discuss.length; i++) { 1604: if (document.mailform.elements.discuss[i].value == currtype ) { 1605: document.mailform.elements.discuss[i].checked=1; 1606: } 1607: } 1608: return 1609: } 1610: END 1611: } 1612: } 1613: } 1614: if ($env{'form.previous'}) { 1615: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1616: } 1617: } 1618: 1619: if ($env{'form.origpage'}) { 1620: $subject = &unescape($env{'form.subject'}); 1621: $comment = &unescape($env{'form.comment'}); 1622: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1623: } 1624: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1625: my $send=&mt('Send'); 1626: my $alert = &mt('Please select a feedback type.'); 1627: my $js= <<END; 1628: <script type="text/javascript"> 1629: // 1663: </script> 1664: END 1665: 1666: # Breadcrumbs 1667: my $brcrum = [{'href' => '', 1668: 'text' => 'Resource Feedback and Discussion'}]; 1669: 1670: my %onload = ('onload' => 'window.focus();setposttype();'); 1671: my $start_page= 1672: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1673: {'add_entries' => \%onload, 1674: 'bread_crumbs' => $brcrum,}); 1675: 1676: if ($quote ne '') { 1677: $quote = &HTML::Entities::decode($quote); 1678: unless (&contains_block_html($quote)) { 1679: &newline_to_br(\$quote); 1680: } 1681: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1682: } 1683: 1684: $r->print(<<END); 1685: $start_page 1686: <h2><tt>$restitle</tt></h2> 1687: <form action="/adm/feedback" method="post" name="mailform" 1688: enctype="multipart/form-data"> 1689: $prevtag 1690: <input type="hidden" name="postdata" value="$feedurl" /> 1691: END 1692: if ($env{'form.replydisc'}) { 1693: $r->print(<<END); 1694: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1695: END 1696: } elsif ($env{'form.editdisc'}) { 1697: $r->print(<<END); 1698: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1699: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1700: END 1701: } 1702: $r->print(<<END); 1703: $options<hr /> 1704: $quote 1705: <p>$lt{'myqu'}</p> 1706: <p> 1707: $latexHelp 1708: </p> 1709: <p> 1710: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1711: <p> 1712: <textarea name="comment" id="comment" cols="60" rows="10">$comment 1713: </textarea></p> 1714: END 1715: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1716: if ($env{'form.origpage'}) { 1717: foreach my $attach (@currnewattach) { 1718: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1719: } 1720: foreach my $oldatt (@currdelold) { 1721: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1722: } 1723: } 1724: if ($env{'form.editdisc'}) { 1725: if ($attachmenturls) { 1726: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1727: $attachnum = scalar(keys(%currattach)); 1728: foreach my $key (keys(%currattach)) { 1729: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1730: } 1731: } 1732: } 1733: } else { 1734: $r->print(<<END); 1735: <p> 1736: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1737: </p> 1738: END 1739: } 1740: if (exists($env{'form.group'})) { 1741: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1742: } 1743: if (exists($env{'form.ref'})) { 1744: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1745: } 1746: $r->print(<<END); 1747: <p> 1748: <input type="hidden" name="sendit" value="1" /> 1749: <input type="button" value="$send" onclick='gosubmit();' /> 1750: </p> 1751: </form> 1752: END 1753: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1754: my $now = time; 1755: my $ressymb = $symb; 1756: &Apache::lonenc::check_encrypt(\$ressymb); 1757: my $postidx = ''; 1758: if ($env{'form.editdisc'}) { 1759: $postidx = $idx; 1760: } 1761: if (@currnewattach > 0) { 1762: $attachnum += @currnewattach; 1763: } 1764: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1765: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1766: if ($attachnum > 0) { 1767: if (@currnewattach > 0) { 1768: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1769: if (@currnewattach > 1) { 1770: $newattachmsg .= '<ol>'; 1771: foreach my $item (@currnewattach) { 1772: $item =~ m#.*/([^/]+)$#; 1773: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1774: } 1775: $newattachmsg .= '</ol>'."\n"; 1776: } else { 1777: $currnewattach[0] =~ m#.*/([^/]+)$#; 1778: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1779: } 1780: } 1781: if ($attachmsg) { 1782: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1783: } 1784: if ($newattachmsg) { 1785: $r->print("$newattachmsg<br />"); 1786: } 1787: } 1788: } 1789: $r->print(&generate_preview_button(). 1790: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1791: &Apache::loncommon::end_page()); 1792: 1793: } 1794: 1795: sub print_display_options { 1796: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1797: &Apache::loncommon::content_type($r,'text/html'); 1798: $r->send_http_header; 1799: 1800: my $function = &Apache::loncommon::get_users_function(); 1801: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1802: $env{'user.domain'}); 1803: 1804: my %lt = &Apache::lonlocal::texthash( 1805: 'pref' => 'Display Preference', 1806: 'curr' => 'Current setting ', 1807: 'actn' => 'Action', 1808: 'deff' => 'Default for all discussions', 1809: 'prca' => 'Preferences can be set for this discussion that determine ....', 1810: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1811: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1812: 'wipa' => 'Whether individual posts can be marked as read/unread', 1813: 'allposts' => 'All posts', 1814: 'unread' => 'New posts only', 1815: 'unmark' => 'Posts not marked read', 1816: 'ondisp' => 'Once displayed', 1817: 'onmark' => 'Once marked not NEW', 1818: 'toggon' => 'Shown', 1819: 'toggoff' => 'Not shown', 1820: 'disa' => 'Posts displayed?', 1821: 'npmr' => 'New posts cease to be identified as "NEW"?', 1822: 'dotm' => 'Option to mark each post as read/unread?', 1823: 'chgt' => 'Change to ', 1824: 'mkdf' => 'Set to ', 1825: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1826: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1827: ); 1828: 1829: my $dispchangeA = $lt{'unread'}; 1830: my $dispchangeB = $lt{'unmark'}; 1831: my $markchange = $lt{'ondisp'}; 1832: my $toggchange = $lt{'toggon'}; 1833: my $currdisp = $lt{'allposts'}; 1834: my $currmark = $lt{'onmark'}; 1835: my $discdisp = 'allposts'; 1836: my $discmark = 'onmark'; 1837: my $currtogg = $lt{'toggoff'}; 1838: my $disctogg = 'toggoff'; 1839: 1840: if ($dispchgA eq 'allposts') { 1841: $dispchangeA = $lt{'allposts'}; 1842: $currdisp = $lt{'unread'}; 1843: $discdisp = 'unread'; 1844: } 1845: 1846: if ($markchg eq 'markonread') { 1847: $markchange = $lt{'onmark'}; 1848: $currmark = $lt{'ondisp'}; 1849: $discmark = 'ondisp'; 1850: } 1851: 1852: if ($dispchgB eq 'onlyunread') { 1853: $dispchangeB = $lt{'unread'}; 1854: $currdisp = $lt{'unmark'}; 1855: $discdisp = 'unmark'; 1856: } 1857: if ($toggchg eq 'toggoff') { 1858: $toggchange = $lt{'toggoff'}; 1859: $currtogg = $lt{'toggon'}; 1860: $disctogg = 'toggon'; 1861: } 1862: 1863: my $js = <<END; 1864: <script type="text/javascript"> 1865: function discdispChk(caller) { 1866: var disctogg = '$toggchg' 1867: if (caller == 0) { 1868: if (document.modifydisp.discdisp[0].checked == true) { 1869: if (document.modifydisp.discdisp[1].checked == true) { 1870: document.modifydisp.discdisp[1].checked = false 1871: } 1872: } 1873: } 1874: if (caller == 1) { 1875: if (document.modifydisp.discdisp[1].checked == true) { 1876: if (document.modifydisp.discdisp[0].checked == true) { 1877: document.modifydisp.discdisp[0].checked = false 1878: } 1879: if (disctogg == 'toggon') { 1880: document.modifydisp.disctogg.checked = true 1881: } 1882: if (disctogg == 'toggoff') { 1883: document.modifydisp.disctogg.checked = false 1884: } 1885: } 1886: } 1887: if (caller == 2) { 1888: var dispchgB = '$dispchgB' 1889: if (disctogg == 'toggoff') { 1890: if (document.modifydisp.disctogg.checked == true) { 1891: if (dispchgB == 'onlyunmark') { 1892: document.modifydisp.discdisp[1].checked = false 1893: } 1894: } 1895: } 1896: } 1897: } 1898: 1899: function setDisp() { 1900: var prev = "$previous" 1901: var chktotal = 0 1902: if (document.modifydisp.discdisp[0].checked == true) { 1903: document.modifydisp.$dispchgA.value = "$symb" 1904: chktotal ++ 1905: } 1906: if (document.modifydisp.discdisp[1].checked == true) { 1907: document.modifydisp.$dispchgB.value = "$symb" 1908: chktotal ++ 1909: } 1910: if (document.modifydisp.discmark.checked == true) { 1911: document.modifydisp.$markchg.value = "$symb" 1912: chktotal ++ 1913: } 1914: if (document.modifydisp.disctogg.checked == true) { 1915: document.modifydisp.$toggchg.value = "$symb" 1916: chktotal ++ 1917: } 1918: if (chktotal > 0) { 1919: document.modifydisp.submit() 1920: } else { 1921: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1922: if (prev > 0) { 1923: location.href = "$feedurl?previous=$previous" 1924: } else { 1925: location.href = "$feedurl" 1926: } 1927: } 1928: } 1929: } 1930: </script> 1931: END 1932: 1933: 1934: my $start_page = 1935: &Apache::loncommon::start_page('Discussion display options',$js); 1936: my $end_page = 1937: &Apache::loncommon::end_page(); 1938: $r->print(<<END); 1939: $start_page 1940: <form name="modifydisp" method="post" action="/adm/feedback"> 1941: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1942: <br /> 1943: END 1944: $r->print(&Apache::loncommon::start_data_table()); 1945: $r->print(<<END); 1946: <tr> 1947: <th>$lt{'pref'}</td> 1948: <th>$lt{'curr'}</td> 1949: <th>$lt{'actn'}?</td> 1950: </tr> 1951: END 1952: $r->print(&Apache::loncommon::start_data_table_row()); 1953: $r->print(<<END); 1954: <td>$lt{'disa'}</td> 1955: <td>$lt{$discdisp}</td> 1956: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1957: <br /> 1958: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1959: </td> 1960: END 1961: $r->print(&Apache::loncommon::end_data_table_row()); 1962: $r->print(&Apache::loncommon::start_data_table_row()); 1963: $r->print(<<END); 1964: <td>$lt{'npmr'}</td> 1965: <td>$lt{$discmark}</td> 1966: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1967: END 1968: $r->print(&Apache::loncommon::end_data_table_row()); 1969: $r->print(&Apache::loncommon::start_data_table_row()); 1970: $r->print(<<END); 1971: <td>$lt{'dotm'}</td> 1972: <td>$lt{$disctogg}</td> 1973: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1974: END 1975: my $save = &mt('Save'); 1976: $r->print(&Apache::loncommon::end_data_table_row()); 1977: $r->print(&Apache::loncommon::end_data_table()); 1978: $r->print(<<END); 1979: <br /> 1980: <br /> 1981: <input type="hidden" name="symb" value="$symb" /> 1982: <input type="hidden" name="previous" value="$previous" /> 1983: <input type="hidden" name="$dispchgA" value="" /> 1984: <input type="hidden" name="$dispchgB" value="" /> 1985: <input type="hidden" name="$markchg" value="" /> 1986: <input type="hidden" name="$toggchg" value="" /> 1987: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 1988: END 1989: if (exists($env{'form.group'})) { 1990: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1991: } 1992: if (exists($env{'form.ref'})) { 1993: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1994: } 1995: $r->print(" 1996: <br /> 1997: <br /> 1998: </form> 1999: $end_page 2000: "); 2001: return; 2002: } 2003: 2004: sub print_sortfilter_options { 2005: my ($r,$symb,$previous,$feedurl) = @_; 2006: 2007: &Apache::loncommon::content_type($r,'text/html'); 2008: $r->send_http_header; 2009: 2010: &Apache::lonenc::check_encrypt(\$symb); 2011: my @sections; 2012: my $section_sel = ''; 2013: my $numvisible = 5; 2014: my @groups; 2015: my $group_sel = ''; 2016: my $numgroupvis = 5; 2017: my %sectioncount = &Apache::loncommon::get_sections(); 2018: my @courseroles = qw(st ad ep ta in); 2019: my $crstype = &Apache::loncommon::course_type(); 2020: my $ccrole = 'cc'; 2021: if ($crstype eq 'Community') { 2022: $ccrole = 'co'; 2023: } 2024: push(@courseroles,$ccrole); 2025: 2026: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2027: @sections = ('all',$env{'request.course.sec'}); 2028: $numvisible = 2; 2029: } else { 2030: @sections = sort {$a cmp $b} keys(%sectioncount); 2031: if (scalar(@sections) < 4) { 2032: $numvisible = scalar(@sections) + 1; 2033: } 2034: unshift(@sections,'all'); # Put 'all' at the front of the list 2035: 2036: } 2037: foreach my $sec (@sections) { 2038: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2039: } 2040: 2041: if (&check_group_priv() eq 'ok') { 2042: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2043: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2044: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2045: @groups = sort {$a cmp $b} keys(%curr_groups); 2046: if (scalar(@groups) < 4) { 2047: $numgroupvis = scalar(@groups) + 1; 2048: } 2049: unshift(@groups,'all'); # Put 'all' at the front of the list 2050: } else { 2051: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2052: if (@coursegroups > 0) { 2053: @coursegroups = sort {$a cmp $b} @coursegroups; 2054: @groups = ('all',@coursegroups); 2055: if (scalar(@groups) < 4) { 2056: $numgroupvis = scalar(@groups) + 1; 2057: } 2058: } else { 2059: @groups = ('all'); 2060: $numgroupvis = 1; 2061: } 2062: } 2063: foreach my $group (@groups) { 2064: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2065: } 2066: 2067: my $function = &Apache::loncommon::get_users_function(); 2068: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2069: $env{'user.domain'}); 2070: my %lt = &Apache::lonlocal::texthash( 2071: 'diop' => 'Display Options', 2072: 'curr' => 'Current setting ', 2073: 'actn' => 'Action', 2074: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2075: 'soor' => 'Sort order', 2076: 'spur' => 'Specific user roles', 2077: 'sprs' => 'Specific role status', 2078: 'spse' => 'Specific sections', 2079: 'spgr' => 'Specific groups', 2080: 'psub' => 'Pick specific users (by name)', 2081: 'shal' => 'Show a list of current posters', 2082: 'stor' => 'Save changes', 2083: ); 2084: 2085: my %sort_types = (); 2086: my %role_types = (); 2087: my %status_types = (); 2088: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2089: 2090: my $js = <<END; 2091: <script type="text/javascript"> 2092: function verifyFilter() { 2093: var rolenum = 0 2094: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2095: if (document.modifyshown.rolefilter.options[i].selected == true) { 2096: rolenum ++ 2097: } 2098: } 2099: if (rolenum == 0) { 2100: document.modifyshown.rolefilter.options[0].selected = true 2101: } 2102: 2103: var secnum = 0 2104: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2105: if (document.modifyshown.sectionpick.options[i].selected == true) { 2106: secnum ++ 2107: } 2108: } 2109: if (secnum == 0) { 2110: document.modifyshown.sectionpick.options[0].selected = true 2111: } 2112: 2113: var grpnum = 0 2114: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2115: if (document.modifyshown.grouppick.options[i].selected == true) { 2116: grpnum ++ 2117: } 2118: } 2119: if (grpnum == 0) { 2120: document.modifyshown.grouppick.options[0].selected = true 2121: } 2122: 2123: document.modifyshown.submit(); 2124: } 2125: </script> 2126: END 2127: 2128: my $start_page= 2129: &Apache::loncommon::start_page('Discussion options',$js); 2130: my $end_page= 2131: &Apache::loncommon::end_page(); 2132: 2133: $r->print(<<END); 2134: $start_page 2135: <form name="modifyshown" method="post" action="/adm/feedback"> 2136: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2137: <br /><br /> 2138: <table border="0"> 2139: <tr> 2140: <th>$lt{'soor'}</th> 2141: <th> </th> 2142: <th>$lt{'sprs'}</th> 2143: <th> </th> 2144: <th>$lt{'spur'}</th> 2145: <th> </th> 2146: <th>$lt{'spse'}</th> 2147: <th> </th> 2148: <th>$lt{'spgr'}</th> 2149: <th> </th> 2150: <th>$lt{'psub'}</th> 2151: </tr> 2152: <tr> 2153: <td align="center" valign="top"> 2154: <select name="sortposts"> 2155: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2156: <option value="descdate">$sort_types{'descdate'}</option> 2157: <option value="thread">$sort_types{'thread'}</option> 2158: <option value="subject">$sort_types{'subject'}</option> 2159: <option value="username">$sort_types{'username'}</option> 2160: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2161: </select> 2162: </td> 2163: <td> </td> 2164: <td align="center" valign="top"> 2165: <select name="statusfilter"> 2166: <option value="all" selected="selected">$status_types{'all'}</option> 2167: <option value="Active">$status_types{'Active'}</option> 2168: <option value="Expired">$status_types{'Expired'}</option> 2169: <option value="Future">$status_types{'Future'}</option> 2170: </select> 2171: </td> 2172: <td> </td> 2173: <td align="center" valign="top"> 2174: <select name="rolefilter" multiple="multiple" size="5"> 2175: <option value="all">$role_types{'all'}</option> 2176: <option value="st">$role_types{'st'}</option> 2177: <option value="$ccrole">$role_types{$ccrole}</option> 2178: <option value="in">$role_types{'in'}</option> 2179: <option value="ta">$role_types{'ta'}</option> 2180: <option value="ep">$role_types{'ep'}</option> 2181: <option value="ad">$role_types{'ad'}</option> 2182: <option value="cr">$role_types{'cr'}</option> 2183: </select> 2184: </td> 2185: <td> </td> 2186: <td align="center" valign="top"> 2187: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2188: $section_sel 2189: </select> 2190: </td> 2191: <td> </td> 2192: <td align="center" valign="top"> 2193: <select name="grouppick" multiple="multiple" size="$numvisible"> 2194: $group_sel 2195: </select> 2196: </td> 2197: <td> </td> 2198: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2199: </tr> 2200: </table> 2201: <br /> 2202: <br /> 2203: <input type="hidden" name="previous" value="$previous" /> 2204: <input type="hidden" name="applysort" value="$symb" /> 2205: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2206: END 2207: if (exists($env{'form.group'})) { 2208: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2209: } 2210: if (exists($env{'form.ref'})) { 2211: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2212: } 2213: $r->print(" 2214: <br /> 2215: <br /> 2216: </form> 2217: $end_page 2218: "); 2219: } 2220: 2221: sub print_showposters { 2222: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2223: 2224: &Apache::loncommon::content_type($r,'text/html'); 2225: $r->send_http_header; 2226: 2227: &Apache::lonenc::check_encrypt(\$symb); 2228: my $crs='/'.$env{'request.course.id'}; 2229: if ($env{'request.course.sec'}) { 2230: $crs.='_'.$env{'request.course.sec'}; 2231: } 2232: $crs=~s/\_/\//g; 2233: my $seeid; 2234: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2235: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2236: my $group = $env{'form.group'}; 2237: my $ressymb = &wrap_symb($symb); 2238: if (($group ne '') && 2239: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2240: if (&check_group_priv($group,'dgp') eq 'ok') { 2241: $seeid = 1; 2242: } 2243: } else { 2244: $seeid=&Apache::lonnet::allowed('rin',$crs); 2245: } 2246: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2247: $cdom,$cnum); 2248: my %namesort = (); 2249: my %postcounts = (); 2250: 2251: my %lt = &Apache::lonlocal::texthash( 2252: sele => 'Select', 2253: full => 'Fullname', 2254: usdo => 'Username:domain', 2255: post => 'Posts', 2256: ); 2257: if ($contrib{'version'}) { 2258: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2259: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2260: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2261: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2262: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2263: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2264: my $lastname = $names{'lastname'}; 2265: my $firstname = $names{'firstname'}; 2266: if ($lastname eq '') { 2267: $lastname = '_'; 2268: } 2269: if ($firstname eq '') { 2270: $firstname = '_'; 2271: } 2272: unless (defined($namesort{$lastname})) { 2273: %{$namesort{$lastname}} = (); 2274: } 2275: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2276: $postcounts{$poster} ++; 2277: if (defined($namesort{$lastname}{$firstname})) { 2278: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2279: push(@{$namesort{$lastname}{$firstname}}, $poster); 2280: } 2281: } else { 2282: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2283: } 2284: } 2285: } 2286: } 2287: } 2288: 2289: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2290: my $table_start =&Apache::loncommon::start_data_table(); 2291: $r->print(<<END); 2292: $start_page 2293: <form name="pickpostersform" method="post"> 2294: <br /> 2295: $table_start 2296: <tr> 2297: <th>#</th> 2298: <th>$lt{'sele'}</th> 2299: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2300: <th>$lt{'post'}</th> 2301: </tr> 2302: END 2303: my $count = 0; 2304: foreach my $last (sort(keys(%namesort))) { 2305: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2306: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2307: my ($uname,$udom) = split(/:/,$user); 2308: if (!$uname || !$udom) { 2309: next; 2310: } else { 2311: $count ++; 2312: $r->print(&Apache::loncommon::start_data_table_row(). 2313: '<td align="right">'.$count.'</td> 2314: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2315: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2316: <td>'.$postcounts{$user}.'</td>'. 2317: &Apache::loncommon::end_data_table_row()); 2318: } 2319: } 2320: } 2321: } 2322: $r->print(&Apache::loncommon::end_data_table()); 2323: my $end_page = &Apache::loncommon::end_page(); 2324: $r->print(<<END); 2325: <br /> 2326: <input type="hidden" name="sortposts" value="$sortposts" /> 2327: <input type="hidden" name="userpick" value="$symb" /> 2328: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2329: </form> 2330: $end_page 2331: END 2332: } 2333: 2334: sub get_post_versions { 2335: my ($versions,$incoming,$htmldecode,$numver) = @_; 2336: if ($incoming =~ /^<version num="0">/) { 2337: my $p = HTML::LCParser->new(\$incoming); 2338: my $done = 0; 2339: 2340: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2341: my $num = $token->[1]{num}; 2342: my $text = $p->get_text("/version"); 2343: if (defined($numver)) { 2344: if ($num == $numver) { 2345: if ($htmldecode) { 2346: $text = &HTML::Entities::decode($text); 2347: } 2348: $$versions{$numver}=$text; 2349: $done = 1; 2350: } 2351: } else { 2352: if ($htmldecode) { 2353: $text = &HTML::Entities::decode($text); 2354: } 2355: $$versions{$num}=$text; 2356: } 2357: } 2358: } else { 2359: if (!defined($numver)) { 2360: $numver = 0; 2361: } 2362: if ($htmldecode) { 2363: $$versions{$numver} = $incoming; 2364: } else { 2365: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2366: } 2367: } 2368: return; 2369: } 2370: 2371: sub get_post_attachments { 2372: my ($attachments,$attachmenturls) = @_; 2373: my $num; 2374: if ($attachmenturls =~ m/^<attachment id="0">/) { 2375: my $p = HTML::LCParser->new(\$attachmenturls); 2376: while (my $token = $p->get_tag("attachment","filename","post")) { 2377: if ($token->[0] eq "attachment") { 2378: $num = $token->[1]{id}; 2379: %{$$attachments{$num}} =(); 2380: } elsif ($token->[0] eq "filename") { 2381: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2382: } elsif ($token->[0] eq "post") { 2383: my $id = $token->[1]{id}; 2384: $$attachments{$num}{$id} = $p->get_text("/post"); 2385: } 2386: } 2387: } else { 2388: %{$$attachments{'0'}} = (); 2389: $$attachments{'0'}{'filename'} = $attachmenturls; 2390: $$attachments{'0'}{'0'} = 'n'; 2391: } 2392: 2393: return; 2394: } 2395: 2396: sub fail_redirect { 2397: my ($r,$feedurl) = @_; 2398: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2399: my %lt = &Apache::lonlocal::texthash( 2400: 'sorr' => 'Sorry, no recipients ...', 2401: ); 2402: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2403: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2404: {'redirect' => [2,$feedurl], 2405: 'only_body' => 1,})); 2406: $r->print(<<ENDFAILREDIR); 2407: <img align="right" src="$logo" /> 2408: <b>$lt{'sorr'}</b> 2409: ENDFAILREDIR 2410: $r->print(&Apache::loncommon::end_page()); 2411: } 2412: 2413: sub redirect_back { 2414: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2415: my $sorttag = ''; 2416: my $roletag = ''; 2417: my $statustag = ''; 2418: my $sectag = ''; 2419: my $grptag = ''; 2420: my $userpicktag = ''; 2421: my $qrystr = ''; 2422: my $prevtag = ''; 2423: 2424: &Apache::loncommon::content_type($r,'text/html'); 2425: $r->send_http_header; 2426: &dewrapper(\$feedurl); 2427: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2428: if ($previous > 0) { 2429: $qrystr = 'previous='.$previous; 2430: if ($feedurl =~ /\?register=1/) { 2431: $feedurl .= '&'.$qrystr; 2432: } else { 2433: $feedurl .= '?'.$qrystr; 2434: } 2435: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2436: } 2437: if (defined($sort)) { 2438: my $sortqry = 'sortposts='.$sort; 2439: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2440: $feedurl .= '&'.$sortqry; 2441: } else { 2442: $feedurl .= '?'.$sortqry; 2443: } 2444: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2445: if (defined($numpicks)) { 2446: my $userpickqry = 'totposters='.$numpicks; 2447: $feedurl .= '&'.$userpickqry; 2448: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2449: } else { 2450: if (ref($sectionpick) eq 'ARRAY') { 2451: $feedurl .= '&sectionpick='; 2452: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2453: foreach my $sec (@{$sectionpick}) { 2454: $feedurl .= $sec.','; 2455: $sectag .= $sec.','; 2456: } 2457: $feedurl =~ s/,$//; 2458: $sectag =~ s/,$//; 2459: $sectag .= '" />'; 2460: } else { 2461: $feedurl .= '&sectionpick='.$sectionpick; 2462: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2463: } 2464: if (ref($grouppick) eq 'ARRAY') { 2465: $feedurl .= '&grouppick='; 2466: $sectag .= '<input type="hidden" name="grouppick" value="'; 2467: foreach my $grp (@{$grouppick}) { 2468: $feedurl .= $grp.','; 2469: $grptag .= $grp.','; 2470: } 2471: $feedurl =~ s/,$//; 2472: $grptag =~ s/,$//; 2473: $grptag .= '" />'; 2474: } else { 2475: $feedurl .= '&grouppick='.$grouppick; 2476: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2477: } 2478: if (ref($rolefilter) eq 'ARRAY') { 2479: $feedurl .= '&rolefilter='; 2480: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2481: foreach my $role (@{$rolefilter}) { 2482: $feedurl .= $role.','; 2483: $roletag .= $role.','; 2484: } 2485: $feedurl =~ s/,$//; 2486: $roletag =~ s/,$//; 2487: $roletag .= '" />'; 2488: } else { 2489: $feedurl .= '&rolefilter='.$rolefilter; 2490: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2491: } 2492: $feedurl .= '&statusfilter='.$statusfilter; 2493: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2494: } 2495: } 2496: my $grouptag; 2497: if ($group ne '') { 2498: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2499: my $refarg; 2500: if (exists($env{'form.ref'})) { 2501: $refarg = '&ref='.$env{'form.ref'}; 2502: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2503: } 2504: if ($feedurl =~ /\?/) { 2505: $feedurl .= '&group='.$group.$refarg; 2506: } else { 2507: $feedurl .= '?group='.$group.$refarg; 2508: } 2509: } 2510: &Apache::lonenc::check_encrypt(\$feedurl); 2511: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2512: my %onload; 2513: my $start_page= 2514: &Apache::loncommon::start_page('Feedback sent',undef, 2515: {'redirect' => [0,$feedurl], 2516: 'only_body' => 1, 2517: 'add_entries' => \%onload}); 2518: my $end_page = &Apache::loncommon::end_page(); 2519: $r->print(<<ENDREDIR); 2520: $start_page 2521: <img align="right" src="$logo" /> 2522: $typestyle 2523: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2524: $blog 2525: $toolarge 2526: <font color="red">$status</font> 2527: <form name="reldt" action="$feedurl" target="loncapaclient"> 2528: $prevtag 2529: $sorttag 2530: $statustag 2531: $roletag 2532: $sectag 2533: $grptag 2534: $userpicktag 2535: $grouptag 2536: </form> 2537: $end_page 2538: ENDREDIR 2539: } 2540: 2541: sub no_redirect_back { 2542: my ($r,$feedurl) = @_; 2543: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2544: 2545: my %onload; 2546: 2547: my %body_options = ('only_body' => 1, 2548: 'bgcolor' => '#FFFFFF', 2549: 'add_entries' => \%onload,); 2550: 2551: if ($feedurl !~ m{^/adm/feedback}) { 2552: $body_options{'rediect'} = [2,$feedurl]; 2553: } 2554: my $start_page= 2555: &Apache::loncommon::start_page('Feedback not sent',undef, 2556: \%body_options); 2557: 2558: my $end_page = &Apache::loncommon::end_page(); 2559: 2560: &Apache::lonenc::check_encrypt(\$feedurl); 2561: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2562: $r->print (<<ENDNOREDIRTWO); 2563: $start_page 2564: <img align="right" src="$logo" /> 2565: <b>$nofeed</b> 2566: <br /> 2567: $end_page 2568: ENDNOREDIRTWO 2569: } 2570: 2571: sub screen_header { 2572: my ($feedurl,$symb) = @_; 2573: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2574: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2575: my $contribdisc = &mt('Contribution to course discussion of resource'); 2576: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2577: my $namevis = &mt('name only visible to course faculty'); 2578: my $crstype; 2579: if ($env{'request.course.id'}) { 2580: $crstype = &Apache::loncommon::course_type(); 2581: if ($crstype eq 'Community') { 2582: $crscontent = &mt('Question/Comment/Feedback about community content'); 2583: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2584: $contribdisc = &mt('Contribution to community discussion of resource'); 2585: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2586: $namevis = &mt('name only visible to community facilitators'); 2587: } 2588: } 2589: my $msgoptions=''; 2590: my $discussoptions=''; 2591: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2592: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2593: $msgoptions= 2594: '<p><label><input type="radio" name="discuss" value="author" /> '. 2595: &mt('Feedback to resource author').'</label></p>'; 2596: } 2597: my %optionhash=(); 2598: foreach my $type ('question','comment','policy') { 2599: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2600: } 2601: if (&feedback_available(1)) { 2602: $msgoptions.= 2603: '<p><label><input type="radio" name="discuss" value="question" /> '. 2604: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2605: } 2606: if (&feedback_available(0,1)) { 2607: $msgoptions.= 2608: '<p><label><input type="radio" name="discuss" value="course" /> '. 2609: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2610: '</label></p>'; 2611: } 2612: if (&feedback_available(0,0,1)) { 2613: $msgoptions.= 2614: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2615: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2616: '</label></p>'; 2617: } 2618: } 2619: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2620: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2621: if (!$blocked && &discussion_open(undef,$symb) && 2622: &Apache::lonnet::allowed('pch', 2623: $env{'request.course.id'}. 2624: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2625: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2626: $contribdisc. 2627: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2628: $anoncontrib. 2629: ' <i>('.$namevis.')</i></label> '. 2630: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2631: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2632: if (!$blockblog) { 2633: $discussoptions.= &add_blog_checkbox($crstype); 2634: } 2635: } 2636: } 2637: if ($msgoptions) { 2638: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2639: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2640: .$msgoptions; 2641: } 2642: if ($discussoptions) { 2643: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2644: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2645: .$discussoptions; 2646: } 2647: return $msgoptions.$discussoptions; 2648: } 2649: 2650: sub resource_output { 2651: my ($feedurl) = @_; 2652: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2653: $usersaw=~s/\<body[^\>]*\>//gi; 2654: $usersaw=~s/\<\/body\>//gi; 2655: $usersaw=~s/\<html\>//gi; 2656: $usersaw=~s/\<\/html\>//gi; 2657: $usersaw=~s/\<head\>//gi; 2658: $usersaw=~s/\<\/head\>//gi; 2659: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2660: return $usersaw; 2661: } 2662: 2663: sub clear_out_html { 2664: my ($message,$override,$ignore_htmlarea)=@_; 2665: if (!$ignore_htmlarea 2666: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2667: # Always allow the <m>-tag 2668: my %html=(M=>1); 2669: # Check if more is allowed 2670: my $cid=$env{'request.course.id'}; 2671: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2672: ($override)) { 2673: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2674: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2675: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2676: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2677: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2678: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2679: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2680: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2681: } 2682: # Do the substitution of everything that is not explicitly allowed 2683: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2684: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2685: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2686: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2687: return $message; 2688: } 2689: 2690: sub assemble_email { 2691: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2692: my %lt = &Apache::lonlocal::texthash( 2693: 'prev' => 'Previous attempts of student (if applicable)', 2694: 'orig' => 'Original screen output (if applicable)', 2695: 'corr' => 'Correct Answer(s) (if applicable)', 2696: ); 2697: if (&Apache::loncommon::course_type() eq 'Community') { 2698: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2699: } 2700: my $email=<<"ENDEMAIL"; 2701: $message 2702: ENDEMAIL 2703: my $citations=<<"ENDCITE"; 2704: <h2>$lt{'prev'}</h2> 2705: $prevattempts 2706: <br /><hr /> 2707: <h2>$lt{'orig'}</h2> 2708: $usersaw 2709: <h2>$lt{'corr'}</h2> 2710: $useranswer 2711: ENDCITE 2712: return ($email,$citations); 2713: } 2714: 2715: 2716: sub feedback_available { 2717: my ($question,$course,$policy)=@_; 2718: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2719: $course,$policy); 2720: return scalar(%to); 2721: } 2722: 2723: sub send_msg { 2724: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2725: my $status=''; 2726: my $sendsomething=0; 2727: my $restitle = &get_resource_title($symb,$feedurl); 2728: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2729: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2730: foreach my $key (keys(%to)) { 2731: if ($key) { 2732: my ($user,$domain) = split(/\:/,$key,2); 2733: if (!defined($user)) { 2734: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2735: } elsif (!defined($domain)) { 2736: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2737: } else { 2738: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2739: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2740: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2741: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2742: } else { 2743: $sendsomething++; 2744: } 2745: } 2746: } 2747: } 2748: 2749: 2750: my %record=&Apache::lonnet::restore('_feedback'); 2751: my ($temp)=keys(%record); 2752: unless ($temp=~/^error\:/) { 2753: my %newrecord=(); 2754: $newrecord{'resource'}=$feedurl; 2755: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2756: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2757: $status.='<br />'.&mt('Not registered').'<br />'; 2758: } 2759: } 2760: 2761: return ($status,$sendsomething); 2762: } 2763: 2764: sub adddiscuss { 2765: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2766: my $status=''; 2767: my $realsymb; 2768: if ($symb=~/^bulletin___/) { 2769: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2770: $filename=~s|^adm/wrapper/||; 2771: $realsymb=&Apache::lonnet::symbread($filename); 2772: } 2773: if (&discussion_open(undef,$realsymb) && 2774: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2775: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2776: 2777: my %contrib=('message' => $email, 2778: 'sendername' => $env{'user.name'}, 2779: 'senderdomain' => $env{'user.domain'}, 2780: 'screenname' => $env{'environment.screenname'}, 2781: 'plainname' => $env{'environment.firstname'}.' '. 2782: $env{'environment.middlename'}.' '. 2783: $env{'environment.lastname'}.' '. 2784: $env{'enrironment.generation'}, 2785: 'attachmenturl'=> $attachmenturl, 2786: 'subject' => $subject); 2787: if ($env{'form.replydisc'}) { 2788: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2789: } 2790: if ($anon) { 2791: $contrib{'anonymous'}='true'; 2792: } 2793: if (($symb) && ($email)) { 2794: my $now = time; 2795: if ($env{'form.editdisc'}) { 2796: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2797: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2798: $contrib{'timestamp'} = $now; 2799: $contrib{'history'} = ''; 2800: my $numoldver = 0; 2801: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2802: &Apache::lonenc::check_decrypt(\$oldsymb); 2803: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2804: # get timestamp for last post and history 2805: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2806: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2807: $env{'course.'.$env{'request.course.id'}.'.num'}); 2808: if (defined($oldcontrib{$oldidx.':replyto'})) { 2809: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2810: } 2811: if (defined($oldcontrib{$oldidx.':history'})) { 2812: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2813: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2814: $numoldver = @oldversions; 2815: } else { 2816: $numoldver = 1; 2817: } 2818: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2819: } 2820: my $numnewver = $numoldver + 1; 2821: if (defined($oldcontrib{$oldidx.':subject'})) { 2822: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2823: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2824: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2825: } else { 2826: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2827: } 2828: } 2829: if (defined($oldcontrib{$oldidx.':message'})) { 2830: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2831: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2832: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2833: } else { 2834: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2835: } 2836: } 2837: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2838: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2839: $oldsymb,$oldidx,\%contrib, 2840: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2841: $env{'course.'.$env{'request.course.id'}.'.num'}); 2842: $status='Editing class discussion'.($anon?' (anonymous)':''); 2843: } else { 2844: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2845: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2846: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2847: $env{'course.'.$env{'request.course.id'}.'.num'}); 2848: } 2849: my %storenewentry=($symb => $now); 2850: $status.='<br />'.&mt('Updating discussion time').': '. 2851: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2852: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2853: $env{'course.'.$env{'request.course.id'}.'.num'}); 2854: } 2855: my %record=&Apache::lonnet::restore('_discussion'); 2856: my ($temp)=keys(%record); 2857: unless ($temp=~/^error\:/) { 2858: my %newrecord=(); 2859: $newrecord{'resource'}=$symb; 2860: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2861: $status.='<br />'.&mt('Registering').': '. 2862: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2863: } 2864: } else { 2865: $status.='Failed.'; 2866: } 2867: return $status.'<br />'; 2868: } 2869: 2870: sub get_discussion_info { 2871: my ($idx,%contrib) = @_; 2872: my $changelast = 0; 2873: my $count = 0; 2874: my $hiddenflag = 0; 2875: my $deletedflag = 0; 2876: my ($hidden,$deleted,%info,$newlastdisc); 2877: my $version = $contrib{'version'}; 2878: if ($version) { 2879: for (my $id=$version; $id>0; $id--) { 2880: my $vkeys=$contrib{$id.':keys'}; 2881: my @keys=split(/:/,$vkeys); 2882: if (grep(/^hidden$/,@keys)) { 2883: if (!$hiddenflag) { 2884: $hidden = $contrib{$id.':hidden'}; 2885: $hiddenflag = 1; 2886: } 2887: } elsif (grep(/^deleted$/,@keys)) { 2888: if (!$deletedflag) { 2889: $deleted = $contrib{$id.':deleted'}; 2890: $deletedflag = 1; 2891: } 2892: } else { 2893: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2894: $count++; 2895: $info{$count}{'id'} = $id; 2896: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2897: } 2898: } 2899: } 2900: if ($info{'1'}{'id'} == $idx) { 2901: $changelast = 1; 2902: if ($count > 1) { 2903: $newlastdisc = $info{'2'}{'timestamp'}; 2904: } else { 2905: $newlastdisc = 0; 2906: } 2907: } 2908: } 2909: return ($changelast,$newlastdisc); 2910: } 2911: 2912: # ----------------------------------------------------------- Preview function 2913: 2914: sub show_preview { 2915: my ($r) = @_; 2916: &Apache::loncommon::content_type($r,'text/html'); 2917: $r->send_http_header; 2918: my $start_page= 2919: &Apache::loncommon::start_page('Preview',undef, 2920: {'only_body' => 1,}); 2921: 2922: my $message=&clear_out_html($env{'form.comment'}); 2923: &newline_to_br(\$message); 2924: $message=&Apache::lonspeller::markeduptext($message); 2925: $message=&Apache::lontexconvert::msgtexconverted($message); 2926: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2927: $subject=~s/\n/\<br \/\>/g; 2928: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2929: 2930: my $end_page = &Apache::loncommon::end_page(); 2931: 2932: $r->print($start_page 2933: .'<h1>'.&mt('Preview').'</h1>' 2934: .&Apache::lonhtmlcommon::start_pick_box() 2935: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2936: .$subject 2937: .&Apache::lonhtmlcommon::row_closure() 2938: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2939: .$message 2940: .&Apache::lonhtmlcommon::row_closure(1) 2941: .&Apache::lonhtmlcommon::end_pick_box() 2942: .$end_page 2943: ); 2944: } 2945: 2946: sub contains_block_html { 2947: my ($message)=@_; 2948: return ($message =~ m{ 2949: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 2950: \s* 2951: (\w+\=['"]\w+['"])* 2952: \s* 2953: ( 2954: \s*/>| 2955: >.*</\1\s*> 2956: )}xs 2957: ); 2958: } 2959: 2960: sub tidy_html { 2961: my ($message)=@_; 2962: # my $tidy = HTML::Tidy::libXML->new(); 2963: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 2964: # $xhtml =~ m/<body>(.*)<\/body>/is; 2965: # my $clean = $1; 2966: # # remove any empty block-level tags 2967: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 2968: # $message=$clean; 2969: return $message; 2970: } 2971: 2972: sub newline_to_br { 2973: my ($message)=@_; 2974: my $newmessage; 2975: my $parser=HTML::LCParser->new($message); 2976: while (my $token=$parser->get_token()) { 2977: if ($token->[0] eq 'T') { 2978: my $text=$token->[1]; 2979: $text=~s/\n/\<br \/\>/g; 2980: $newmessage.=$text; 2981: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2982: $newmessage.=$token->[1]; 2983: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2984: $newmessage.=$token->[2]; 2985: } elsif ($token->[0] eq 'S') { 2986: $newmessage.=$token->[4]; 2987: } 2988: 2989: } 2990: $$message=$newmessage; 2991: } 2992: 2993: sub generate_preview_button { 2994: my ($formname,$fieldname)=@_; 2995: unless ($formname) { $formname='mailform'; } 2996: unless ($fieldname) { $fieldname='comment'; } 2997: my $pre=&mt("Show Preview and Check Spelling"); 2998: return(<<ENDPREVIEW); 2999: <br /> 3000: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3001: <input type="hidden" name="subject" /> 3002: <input type="hidden" name="comment" /> 3003: <input type="button" value="$pre" 3004: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3005: </form> 3006: ENDPREVIEW 3007: } 3008: 3009: sub modify_attachments { 3010: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3011: $attachmaxtext,$toolarge)=@_; 3012: 3013: my %lt = &Apache::lonlocal::texthash( 3014: 'subj' => 'Subject', 3015: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3016: 'chth' => 'Check the checkboxes for any you wish to remove.', 3017: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3018: 'adda' => 'Add a new attachment to this post.', 3019: 'stch' => 'Save Changes', 3020: ); 3021: my $js = <<END; 3022: <script type="text/javascript"> 3023: function setAction () { 3024: document.modattachments.action = document.modattachments.origpage.value; 3025: document.modattachments.submit(); 3026: } 3027: </script> 3028: END 3029: 3030: # Breadcrumbs 3031: my $brcrum = [{'href' => '', 3032: 'text' => 'Discussion Post Attachments'}]; 3033: my $start_page = 3034: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3035: {'bread_crumbs' => $brcrum,}); 3036: 3037: my $orig_subject = &unescape($env{'form.subject'}); 3038: my $subject=&clear_out_html($orig_subject,undef,1); 3039: $subject=~s/\n/\<br \/\>/g; 3040: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3041: my $timestamp=$env{'form.timestamp'}; 3042: my $numoldver=$env{'form.numoldver'}; 3043: 3044: my $msg = ''; 3045: my %attachments = (); 3046: my %currattach = (); 3047: if ($idx) { 3048: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3049: } 3050: &Apache::lonenc::check_encrypt(\$symb); 3051: 3052: my $end_page = 3053: &Apache::loncommon::end_page(); 3054: 3055: $r->print(<<END); 3056: $start_page 3057: $toolarge 3058: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3059: <br /> 3060: <table class="LC_data_table"> 3061: <tr> 3062: <td colspan="2"> 3063: <b>Subject:</b> <b>$subject</b><br /><br /> 3064: END 3065: if ($idx) { 3066: if ($attachmenturls) { 3067: my @currold = keys(%currattach); 3068: if (@currold > 0) { 3069: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3070: foreach my $id (@currold) { 3071: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3072: $attachurl =~ m#/([^/]+)$#; 3073: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3074: } 3075: $r->print("<br />"); 3076: } 3077: } 3078: } 3079: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3080: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3081: foreach my $attach (@{$currnewattach}) { 3082: $attach =~ m#/([^/]+)$#; 3083: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3084: } 3085: $r->print("<br />"); 3086: } 3087: $r->print(<<END); 3088: </td></tr> 3089: <tr> 3090: <td> 3091: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3092: </td> 3093: </tr> 3094: <tr> 3095: <td colspan="2">$attachmaxtext</td> 3096: </tr> 3097: </table> 3098: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3099: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3100: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3101: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3102: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3103: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3104: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3105: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3106: END 3107: foreach my $item (@{$currnewattach}) { 3108: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3109: } 3110: foreach my $item (@{$currdelold}) { 3111: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3112: } 3113: $r->print(<<END); 3114: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3115: </form> 3116: $end_page 3117: END 3118: return; 3119: } 3120: 3121: sub process_attachments { 3122: my ($currnewattach,$currdelold,$keepold) = @_; 3123: 3124: @{$currnewattach}= 3125: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3126: @{$currdelold}= 3127: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3128: if (exists($env{'form.delnewattach'})) { 3129: my @currdelnew = 3130: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3131: my @currnew = (); 3132: foreach my $newone (@{$currnewattach}) { 3133: my $delflag = 0; 3134: foreach my $item (@currdelnew) { 3135: if ($newone eq $item) { 3136: $delflag = 1; 3137: last; 3138: } 3139: } 3140: unless ($delflag) { 3141: push(@currnew, $newone); 3142: } 3143: } 3144: @{$currnewattach} = @currnew; 3145: } 3146: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3147: } 3148: 3149: sub generate_attachments_button { 3150: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3151: $numoldver,$mode,$blockblog) = @_; 3152: my $origpage = $ENV{'REQUEST_URI'}; 3153: my $att=$attachnum.' '.&mt("attachments"); 3154: my %lt = &Apache::lonlocal::texthash( 3155: 'clic' => 'Click to add/remove attachments', 3156: ); 3157: my $response = (<<END); 3158: <br /> 3159: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3160: $lt{'clic'}: <input type="button" value="$att" 3161: 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); 3162: END 3163: if (!$blockblog) { 3164: $response .= 'setblogvalue();'; 3165: } 3166: unless ($mode eq 'board') { 3167: $response .= 'javascript:anonchk();'; 3168: } 3169: $response .= (<<ENDATTACH); 3170: this.form.submit();" /> 3171: <input type="hidden" name="origpage" value="$origpage" /> 3172: <input type="hidden" name="idx" value="$idx" /> 3173: <input type="hidden" name="timestamp" value="$now" /> 3174: <input type="hidden" name="subject" /> 3175: <input type="hidden" name="comment" /> 3176: <input type="hidden" name="blog" value="0" /> 3177: <input type="hidden" name="discuss" value="0" /> 3178: <input type="hidden" name="numoldver" value="$numoldver" /> 3179: ENDATTACH 3180: if (defined($deloldattach)) { 3181: if (@{$deloldattach} > 0) { 3182: foreach my $delatt (@{$deloldattach}) { 3183: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3184: } 3185: } 3186: } 3187: if (defined($currnewattach)) { 3188: if (@{$currnewattach} > 0) { 3189: foreach my $attach (@{$currnewattach}) { 3190: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3191: } 3192: } 3193: } 3194: $response .= '</form>'; 3195: return $response; 3196: } 3197: 3198: sub extract_attachments { 3199: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3200: %{$attachments}=(); 3201: &get_post_attachments($attachments,$attachmenturls); 3202: foreach my $id (sort(keys(%{$attachments}))) { 3203: if (exists($$attachments{$id}{$numoldver})) { 3204: if (defined($currdelold)) { 3205: if (@{$currdelold} > 0) { 3206: unless (grep/^$id$/,@{$currdelold}) { 3207: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3208: } 3209: } else { 3210: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3211: } 3212: } else { 3213: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3214: } 3215: } 3216: } 3217: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3218: if (@attached == 1) { 3219: my $id = $attached[0]; 3220: my $attachurl; 3221: if ($attachmenturls =~ m/^<attachment id="0">/) { 3222: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3223: } else { 3224: $attachurl = $$attachments{$id}{'filename'}; 3225: } 3226: $attachurl=~m|/([^/]+)$|; 3227: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3228: $1.'</tt></a><br />'; 3229: &Apache::lonnet::allowuploaded('/adm/feedback', 3230: $attachurl); 3231: } elsif (@attached > 1) { 3232: $$message.='<ol>'; 3233: foreach my $attach (@attached) { 3234: my $id = $attach; 3235: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3236: my ($fname) 3237: =($attachurl=~m|/([^/]+)$|); 3238: $$message .= '<li><a href="'.$attachurl. 3239: '"><tt>'. 3240: $fname.'</tt></a></li>'; 3241: &Apache::lonnet::allowuploaded('/adm/feedback', 3242: $attachurl); 3243: } 3244: $$message .= '</ol>'; 3245: } 3246: } 3247: 3248: sub construct_attachmenturl { 3249: my ($currnewattach,$keepold,$symb,$idx)=@_; 3250: my $oldattachmenturl; 3251: my $newattachmenturl; 3252: my $startnum = 0; 3253: my $currver = 0; 3254: if (($env{'form.editdisc'}) && ($idx)) { 3255: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3256: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3257: $env{'course.'.$env{'request.course.id'}.'.num'}); 3258: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3259: if ($contrib{$idx.':history'}) { 3260: if ($contrib{$idx.':history'} =~ /:/) { 3261: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3262: $currver = 1 + scalar(@oldversions); 3263: } else { 3264: $currver = 2; 3265: } 3266: } else { 3267: $currver = 1; 3268: } 3269: if ($oldattachmenturl) { 3270: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3271: my %attachments = (); 3272: my $prevver = $currver-1; 3273: &get_post_attachments(\%attachments,$oldattachmenturl); 3274: my $numattach = scalar(keys(%attachments)); 3275: $startnum += $numattach; 3276: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3277: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3278: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3279: unless ($item eq 'filename') { 3280: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3281: } 3282: } 3283: if (grep/^$num$/,@{$keepold}) { 3284: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3285: } 3286: $newattachmenturl .= '</attachment>'; 3287: } 3288: } else { 3289: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3290: unless (grep/^0$/,@{$keepold}) { 3291: $newattachmenturl .= '<post id="1">n</post>'; 3292: } 3293: $newattachmenturl .= '</attachment>'; 3294: $startnum ++; 3295: } 3296: } 3297: } 3298: for (my $i=0; $i<@{$currnewattach}; $i++) { 3299: my $attachnum = $startnum + $i; 3300: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3301: } 3302: return $newattachmenturl; 3303: } 3304: 3305: sub add_blog_checkbox { 3306: my ($crstype) = @_; 3307: my $checkstatus; 3308: if ($env{'form.blog'}) { 3309: $checkstatus = 'checked="checked"'; 3310: } 3311: my $output = ' 3312: <script type="text/javascript"> 3313: function setblogvalue() { 3314: if (document.mailform.blog.checked) { 3315: document.attachment.blog.value = 1; 3316: } else { 3317: document.attachment.blog.value = 0; 3318: } 3319: } 3320: </script><br /> 3321: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3322: if ($crstype eq 'Community') { 3323: $output .= &mt('Add to my public community blog'); 3324: } else { 3325: $output .= &mt('Add to my public course blog'); 3326: } 3327: $output .= '</label><br />'."\n"; 3328: return $output; 3329: } 3330: 3331: sub has_discussion { 3332: my $resourcesref = shift; 3333: my $navmap = Apache::lonnavmaps::navmap->new(); 3334: if (defined($navmap)) { 3335: my @allres=$navmap->retrieveResources(); 3336: foreach my $resource (@allres) { 3337: if ($resource->hasDiscussion()) { 3338: my $ressymb = $resource->wrap_symb(); 3339: if (ref($resourcesref) eq 'ARRAY') { 3340: push(@{$resourcesref}, $ressymb); 3341: } 3342: } 3343: } 3344: } else { 3345: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3346: } 3347: return; 3348: } 3349: 3350: sub sort_filter_names { 3351: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3352: if (ref($sort_types) eq 'HASH') { 3353: %{$sort_types} = ( 3354: ascdate => 'Date order - oldest first', 3355: descdate => 'Date order - newest first', 3356: thread => 'Threaded', 3357: subject => 'By subject', 3358: username => 'By domain and username', 3359: lastfirst => 'By last name, first name' 3360: ); 3361: } 3362: my @courseroles = qw(st in ta ep ad); 3363: if ($crstype eq 'Community') { 3364: push(@courseroles,'co'); 3365: } else { 3366: push(@courseroles,'cc'); 3367: } 3368: if (ref($role_types) eq 'HASH') { 3369: foreach my $role (@courseroles) { 3370: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3371: } 3372: $role_types->{'all'} = 'All roles'; 3373: $role_types->{'cr'} = 'Custom role'; 3374: } 3375: if (ref($status_types) eq 'HASH') { 3376: %{$status_types} = ( 3377: all => 'Roles of any status', 3378: Active => 'Only active roles', 3379: Expired => 'Only past roles', 3380: Future => 'Only future roles', 3381: ); 3382: } 3383: } 3384: 3385: sub handler { 3386: my $r = shift; 3387: if ($r->header_only) { 3388: &Apache::loncommon::content_type($r,'text/html'); 3389: $r->send_http_header; 3390: return OK; 3391: } 3392: 3393: # --------------------------- Get query string for limited number of parameters 3394: 3395: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3396: ['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']); 3397: my $group = $env{'form.group'}; 3398: my %attachmax = ( 3399: text => &mt('(128 KB max size)'), 3400: num => 131072, 3401: ); 3402: if ($env{'form.editdisc'}) { 3403: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3404: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3405: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3406: my $feedurl=&Apache::lonnet::clutter($url); 3407: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3408: undef,undef,undef,$group); 3409: return OK; 3410: } 3411: } 3412: if ($env{'form.discsymb'}) { 3413: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3414: my $readkey = $symb.'_read'; 3415: my $chgcount = 0; 3416: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3417: foreach my $key (keys(%env)) { 3418: if ($key =~ m/^form\.postunread_(\d+)/) { 3419: if ($readinghash{$readkey} =~ /\.$1\./) { 3420: $readinghash{$readkey} =~ s/\.$1\.//; 3421: $chgcount ++; 3422: } 3423: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3424: unless ($readinghash{$readkey} =~ /\.$1\./) { 3425: $readinghash{$readkey} .= '.'.$1.'.'; 3426: $chgcount ++; 3427: } 3428: } 3429: } 3430: if ($chgcount > 0) { 3431: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3432: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3433: } 3434: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3435: '0','0','','',$env{'form.previous'},'','','', 3436: undef,undef,undef,$group); 3437: return OK; 3438: } 3439: if ($env{'form.allversions'}) { 3440: &Apache::loncommon::content_type($r,'text/html'); 3441: &Apache::loncommon::no_cache($r); 3442: $r->send_http_header; 3443: 3444: # Breadcrumbs 3445: my $brcrum = [{'href' => '', 3446: 'text' => 'Discussion Post Versions'}]; 3447: 3448: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3449: {'bread_crumbs' => $brcrum,}) 3450: ); 3451: 3452: my $crs='/'.$env{'request.course.id'}; 3453: if ($env{'request.course.sec'}) { 3454: $crs.='_'.$env{'request.course.sec'}; 3455: } 3456: $crs=~s|_|/|g; 3457: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3458: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3459: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3460: ($symb)=&get_feedurl_and_clean_symb($symb); 3461: my $ressymb = &wrap_symb($symb); 3462: my $group = $env{'form.group'}; 3463: my $seeid; 3464: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3465: if (&check_group_priv($group,'dgp') eq 'ok') { 3466: $seeid = 1; 3467: } 3468: } else { 3469: $seeid = &Apache::lonnet::allowed('rin',$crs); 3470: } 3471: if ($idx > 0) { 3472: my %messages = (); 3473: my %subjects = (); 3474: my %attachmsgs = (); 3475: my %allattachments = (); 3476: my %imsfiles = (); 3477: my ($screenname,$plainname); 3478: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3479: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3480: $env{'course.'.$env{'request.course.id'}.'.num'}); 3481: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3482: } 3483: $r->print(&Apache::loncommon::end_page()); 3484: return OK; 3485: } 3486: if ($env{'form.posterlist'}) { 3487: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3488: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3489: $env{'form.sortposts'}); 3490: return OK; 3491: } 3492: if ($env{'form.userpick'}) { 3493: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3494: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3495: my $numpicks = @posters; 3496: my %discinfo; 3497: $discinfo{$symb.'_userpick'} = join('&',@posters); 3498: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3499: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3500: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3501: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3502: '',$numpicks,$group); 3503: return OK; 3504: } 3505: if ($env{'form.applysort'}) { 3506: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3507: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3508: '',$env{'form.previous'},$env{'form.sortposts'}, 3509: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3510: $env{'form.sectionpick'},$env{'form.grouppick'}, 3511: undef,$group); 3512: return OK; 3513: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3514: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3515: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3516: return OK; 3517: } elsif ($env{'form.navtime'}) { 3518: my %discinfo = (); 3519: my @resources = (); 3520: if (defined($env{'form.navmaps'})) { 3521: if ($env{'form.navmaps'} =~ /:/) { 3522: @resources = split(/:/,$env{'form.navmaps'}); 3523: } else { 3524: @resources = ("$env{'form.navmaps'}"); 3525: } 3526: } else { 3527: &has_discussion(\@resources); 3528: } 3529: my $numitems = @resources; 3530: my $feedurl = '/adm/navmaps'; 3531: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3532: my %lt = &Apache::lonlocal::texthash( 3533: 'mnpa' => 'Marked "New" posts as read in a total of', 3534: 'robb' => 'resources/bulletin boards.', 3535: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3536: ); 3537: foreach my $res (@resources) { 3538: my $ressymb=$res; 3539: &Apache::lonenc::check_decrypt(\$ressymb); 3540: my $lastkey = $ressymb.'_lastread'; 3541: $discinfo{$lastkey} = $env{'form.navtime'}; 3542: } 3543: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3544: if ($numitems > 0) { 3545: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3546: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3547: } else { 3548: $textline = "<b>$lt{'twnp'}</b>"; 3549: } 3550: &Apache::loncommon::content_type($r,'text/html'); 3551: $r->send_http_header; 3552: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3553: my %onload; 3554: 3555: my $start_page= 3556: &Apache::loncommon::start_page('New posts marked as read',undef, 3557: {'redirect' => [2,$feedurl], 3558: 'only_body' => 1, 3559: 'add_entries' => \%onload}); 3560: my $end_page = &Apache::loncommon::end_page(); 3561: $r->print (<<ENDREDIR); 3562: $start_page 3563: <img align="right" src="$logo" /> 3564: $textline 3565: <form name="reldt" action="$feedurl" target="loncapaclient"> 3566: </form> 3567: <br /> 3568: $end_page 3569: ENDREDIR 3570: return OK; 3571: } elsif ($env{'form.modifydisp'}) { 3572: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3573: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3574: split(/_/,$env{'form.changes'}); 3575: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3576: $dispchgB,$markchg,$toggchg,$feedurl); 3577: return OK; 3578: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3579: $env{'form.allposts'} || $env{'form.onlyunread'} || 3580: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3581: $env{'form.toggon'} || $env{'form.markread'}) { 3582: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3583: my %discinfo; 3584: # ------------------------ Modify setting for read/unread toggle for each post 3585: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3586: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3587: # --------- Modify setting for identification of 'NEW' posts in this discussion 3588: if ($env{'form.markondisp'}) { 3589: $discinfo{$symb.'_lastread'} = time; 3590: $discinfo{$symb.'_markondisp'} = 1; 3591: } 3592: if ($env{'form.markonread'}) { 3593: if ( $env{'form.previous'} > 0 ) { 3594: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3595: } 3596: $discinfo{$symb.'_markondisp'} = 0; 3597: } 3598: # --------------------------------- Modify display setting for this discussion 3599: if ($env{'form.allposts'}) { 3600: $discinfo{$symb.'_showonlyunread'} = 0; 3601: $discinfo{$symb.'_showonlyunmark'} = 0; 3602: } 3603: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3604: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3605: # ----------------------------------------------------- Mark new posts not NEW 3606: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3607: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3608: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3609: my $previous=$env{'form.previous'}; 3610: if ($env{'form.markondisp'}) { $previous=undef; } 3611: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3612: '0','0','','',$previous,'','','','','','',$group); 3613: return OK; 3614: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3615: # ----------------------------------------------------------------- Hide/unhide 3616: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3617: my ($symb,$idx)=split(/\:\:\:/,$entry); 3618: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3619: 3620: my $crs='/'.$env{'request.course.id'}; 3621: if ($env{'request.course.sec'}) { 3622: $crs.='_'.$env{'request.course.sec'}; 3623: } 3624: $crs=~s/\_/\//g; 3625: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3626: 3627: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3628: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3629: undef,undef,$group,); 3630: return OK; 3631: } 3632: 3633: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3634: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3635: $env{'course.'.$env{'request.course.id'}.'.num'}); 3636: 3637: my $currenthidden=$contrib{'hidden'}; 3638: my $currentstudenthidden=$contrib{'studenthidden'}; 3639: 3640: if ($env{'form.hide'}) { 3641: $currenthidden.='.'.$idx.'.'; 3642: unless ($seeid) { 3643: $currentstudenthidden.='.'.$idx.'.'; 3644: } 3645: } else { 3646: $currenthidden=~s/\.$idx\.//g; 3647: } 3648: my %newhash=('hidden' => $currenthidden); 3649: if ( ($env{'form.hide'}) && (!$seeid) ) { 3650: $newhash{'studenthidden'} = $currentstudenthidden; 3651: } 3652: if ($env{'form.hide'}) { 3653: my $changelast = 0; 3654: my $newlast; 3655: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3656: if ($changelast) { 3657: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3658: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3659: $env{'course.'.$env{'request.course.id'}.'.num'}); 3660: } 3661: } 3662: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3663: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3664: $env{'course.'.$env{'request.course.id'}.'.num'}); 3665: 3666: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3667: '0','0','','',$env{'form.previous'},undef,undef,undef, 3668: undef,undef,undef,$group); 3669: return OK; 3670: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3671: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3672: if ($env{'form.cmd'} eq 'threadedon') { 3673: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3674: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3675: } else { 3676: &Apache::lonnet::del('environment',['threadeddiscussion']); 3677: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3678: } 3679: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3680: '0','0','','',$env{'form.previous'},undef,undef,undef, 3681: undef,undef,undef,$group); 3682: return OK; 3683: } elsif ($env{'form.deldisc'}) { 3684: # --------------------------------------------------------------- Hide for good 3685: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3686: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3687: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3688: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3689: $env{'course.'.$env{'request.course.id'}.'.num'}); 3690: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3691: if ($changelast) { 3692: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3693: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3694: } 3695: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3696: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3697: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3698: $env{'course.'.$env{'request.course.id'}.'.num'}); 3699: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3700: '0','0','','',$env{'form.previous'},undef,undef,undef, 3701: undef,undef,undef,$group); 3702: return OK; 3703: } elsif ($env{'form.preview'}) { 3704: # -------------------------------------------------------- User wants a preview 3705: &show_preview($r); 3706: return OK; 3707: } elsif ($env{'form.attach'}) { 3708: # -------------------------------------------------------- Work on attachments 3709: &Apache::loncommon::content_type($r,'text/html'); 3710: $r->send_http_header; 3711: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3712: my (@currnewattach,@currdelold,@keepold,$toolarge); 3713: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3714: if (exists($env{'form.addnewattach.filename'})) { 3715: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3716: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3717: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3718: push(@currnewattach, $newattachment); 3719: } else { 3720: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3721: } 3722: } 3723: my $attachmenturls; 3724: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3725: my $idx = $env{'form.idx'}; 3726: if ($idx) { 3727: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3728: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3729: $env{'course.'.$env{'request.course.id'}.'.num'}); 3730: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3731: } 3732: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3733: $attachmenturls,$attachmax{'text'},$toolarge); 3734: return OK; 3735: } elsif ($env{'form.export'}) { 3736: &Apache::loncommon::content_type($r,'text/html'); 3737: $r->send_http_header; 3738: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3739: my $mode='board'; 3740: my $status='OPEN'; 3741: my $previous=$env{'form.previous'}; 3742: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3743: $mode='problem'; 3744: $status=$Apache::inputtags::status[-1]; 3745: } 3746: my $discussion = &list_discussion($mode,$status,$symb); 3747: my $start_page = 3748: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3749: my $end_page = 3750: &Apache::loncommon::end_page(); 3751: $r->print($start_page.$discussion.$end_page); 3752: return OK; 3753: } else { 3754: # ------------------------------------------------------------- Normal feedback 3755: my $feedurl=$env{'form.postdata'}; 3756: $feedurl=~s/^https?\:\/\///; 3757: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3758: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3759: $feedurl=~s/\?.+$//; 3760: 3761: my $symb; 3762: if ($env{'form.replydisc'}) { 3763: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3764: } elsif ($env{'form.editdisc'}) { 3765: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3766: } elsif ($env{'form.origpage'}) { 3767: $symb=""; 3768: } else { 3769: $symb=&Apache::lonnet::symbread($feedurl); 3770: } 3771: unless ($symb) { 3772: $symb=$env{'form.symb'}; 3773: } 3774: if (defined($symb)) { 3775: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3776: } else { 3777: # backward compatibility (bulletin boards used to be 'wrapped') 3778: &Apache::lonenc::check_decrypt(\$feedurl); 3779: &dewrapper(\$feedurl); 3780: } 3781: my $goahead=1; 3782: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3783: unless ($symb) { $goahead=0; } 3784: } 3785: if (!$goahead) { 3786: # Ambiguous Problem Resource 3787: $r->internal_redirect('/adm/ambiguous'); 3788: return OK; 3789: } 3790: # Go ahead with feedback, no ambiguous reference 3791: unless ( 3792: ( 3793: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3794: ) 3795: || 3796: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3797: || 3798: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3799: ) { 3800: &Apache::loncommon::content_type($r,'text/html'); 3801: $r->send_http_header; 3802: # Unable to give feedback 3803: &Apache::lonenc::check_encrypt(\$feedurl); 3804: &no_redirect_back($r,$feedurl); 3805: return OK; 3806: } 3807: # --------------------------------------------------- Print login screen header 3808: unless ($env{'form.sendit'}) { 3809: &Apache::lonenc::check_encrypt(\$feedurl); 3810: &Apache::loncommon::content_type($r,'text/html'); 3811: $r->send_http_header; 3812: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3813: my ($blocked,$blocktext) = 3814: &Apache::loncommon::blocking_status('boards'); 3815: if ($blocked) { 3816: $r->print(&blocked_reply_or_edit($blocktext)); 3817: return OK; 3818: } 3819: } 3820: my $options=&screen_header($feedurl,$symb); 3821: if ($options) { 3822: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3823: } else { 3824: &fail_redirect($r,$feedurl); 3825: } 3826: return OK; 3827: } 3828: 3829: # Get previous user input 3830: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3831: $symb,$env{'user.name'},$env{'user.domain'}, 3832: $env{'request.course.id'}); 3833: 3834: # Get output from resource 3835: &Apache::lonenc::check_encrypt(\$feedurl); 3836: my $usersaw=&resource_output($feedurl); 3837: 3838: # Get resource answer (need to allow student to view grades for this to work) 3839: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3840: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3841: my $useranswer= 3842: &Apache::loncommon::get_student_answers( 3843: $usersymb,$env{'user.name'},$env{'user.domain'}, 3844: $env{'request.course.id'}); 3845: &Apache::lonnet::delenv('allowed.vgr'); 3846: # Get attachments, if any, and not too large 3847: my $attachmenturl=''; 3848: my $toolarge=''; 3849: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3850: ($env{'form.replydisc'})) { 3851: my ($symb,$idx); 3852: if ($env{'form.replydisc'}) { 3853: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3854: } elsif ($env{'form.editdisc'}) { 3855: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3856: } elsif ($env{'form.origpage'}) { 3857: $symb = $env{'form.symb'}; 3858: } 3859: &Apache::lonenc::check_decrypt(\$symb); 3860: my @currnewattach = (); 3861: my @deloldattach = (); 3862: my @keepold = (); 3863: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3864: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3865: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3866: } elsif ($env{'form.attachment.filename'}) { 3867: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3868: my $now = time; 3869: my $subdir = 'feedback/'.$now; 3870: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3871: } else { 3872: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3873: } 3874: } 3875: # Filter HTML out of message (could be nasty) 3876: my $message=&clear_out_html($env{'form.comment'}); 3877: 3878: # Assemble email 3879: my ($email,$citations)=&assemble_email($message,$prevattempts, 3880: $usersaw,$useranswer); 3881: 3882: # Who gets this? 3883: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3884: 3885: # Actually send mail 3886: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3887: undef,1), 3888: $feedurl,$email,$citations, 3889: $attachmenturl,$usersymb,%to); 3890: 3891: # Discussion? Store that. 3892: my $numpost=0; 3893: if ( ($env{'form.discuss'} ne '' 3894: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3895: || $env{'form.anondiscuss'} ne '') { 3896: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3897: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3898: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3899: $subject); 3900: $numpost++; 3901: } 3902: 3903: # Add to blog? 3904: 3905: my $blog=''; 3906: if ($env{'form.blog'}) { 3907: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3908: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3909: $env{'user.domain'}, 3910: 'CourseBlog_'.$env{'request.course.id'}, 3911: $subject,$message,$feedurl,'public'); 3912: if (&Apache::loncommon::course_type() eq 'Community') { 3913: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3914: } else { 3915: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3916: } 3917: } 3918: 3919: # Receipt screen and redirect back to where came from 3920: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3921: } 3922: return OK; 3923: } 3924: 3925: sub blocked_reply_or_edit { 3926: my ($blocktext) = @_; 3927: return 3928: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3929: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3930: &mt('Back to previous page'). 3931: &Apache::loncommon::end_page(); 3932: } 3933: 3934: sub wrap_symb { 3935: my ($ressymb)=@_; 3936: if ($ressymb =~ /bulletin___\d+___/) { 3937: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3938: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3939: } 3940: } 3941: return $ressymb; 3942: } 3943: sub dewrapper { 3944: my ($feedurl)=@_; 3945: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3946: $$feedurl=~s|^/adm/wrapper||; 3947: } 3948: } 3949: 3950: sub get_feedurl { 3951: my ($symb)=@_; 3952: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3953: my $feedurl = &Apache::lonnet::clutter($url); 3954: &dewrapper(\$feedurl); 3955: return $feedurl; 3956: } 3957: 3958: sub get_feedurl_and_clean_symb { 3959: my ($symb)=@_; 3960: &Apache::lonenc::check_decrypt(\$symb); 3961: # backward compatibility (bulletin boards used to be 'wrapped') 3962: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3963: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3964: } 3965: my $feedurl = &get_feedurl($symb); 3966: return ($symb,$feedurl); 3967: } 3968: 3969: sub editing_allowed { 3970: my ($postid,$group) = @_; 3971: $postid = &unescape($postid); 3972: my $can_edit = 0; 3973: if ($group ne '') { 3974: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3975: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3976: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3977: if (&check_group_priv($group,'egp') eq 'ok') { 3978: $can_edit = 1; 3979: } 3980: return $can_edit; 3981: } 3982: } 3983: my $cid = $env{'request.course.id'}; 3984: my $role = (split(/\./,$env{'request.role'}))[0]; 3985: my $section = $env{'request.course.sec'}; 3986: my $allow_editing_config = 3987: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 3988: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 3989: $can_edit = 1; 3990: } else { 3991: foreach my $editor (split(/,/,$allow_editing_config)) { 3992: my ($editor_role,$editor_sec) = split(/:/,$editor); 3993: if ($editor_role eq $role 3994: && defined($editor_sec) 3995: && defined($section) 3996: && $editor_sec eq $section) { 3997: $can_edit = 1; 3998: last; 3999: } 4000: if ($editor_role eq $role 4001: && !defined($editor_sec)) { 4002: $can_edit = 1; 4003: } 4004: } 4005: } 4006: return $can_edit; 4007: } 4008: 4009: sub check_group_priv { 4010: my ($group,$grp_priv) = @_; 4011: foreach my $priv ('mdg','vcg') { 4012: my $checkcourse = $env{'request.course.id'}. 4013: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4014: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4015: return 'ok'; 4016: } 4017: } 4018: if ($grp_priv && $group ne '') { 4019: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4020: return 'ok'; 4021: } 4022: } 4023: return ''; 4024: } 4025: 4026: sub group_args { 4027: my ($group) = @_; 4028: if ($group eq '') { return ''; } 4029: my $extra_args = '&group='.$group; 4030: if (exists($env{'form.ref'})) { 4031: $extra_args .= '&ref='.$env{'form.ref'}; 4032: } 4033: return $extra_args; 4034: } 4035: 4036: sub get_resource_title { 4037: my ($symb,$feedurl) = @_; 4038: my ($restitle,$plainurl); 4039: if (defined($symb)) { 4040: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4041: $restitle = &Apache::lonnet::gettitle($plain_symb); 4042: } 4043: if (defined($feedurl)) { 4044: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4045: } 4046: if (!defined($restitle)) { 4047: if (defined($feedurl)) { 4048: $restitle = &Apache::lonnet::gettitle($plainurl); 4049: } 4050: } 4051: if ($plainurl ne $feedurl) { 4052: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4053: if ($plain_filename eq $restitle) { 4054: $restitle = &mt('Untitled resource'); 4055: } 4056: } 4057: if ($restitle eq '') { 4058: $restitle = &mt('Untitled resource'); 4059: } 4060: return $restitle; 4061: } 4062: 4063: 1; 4064: __END__ 4065: 4066: 4067: =pod 4068: 4069: =head1 NAME 4070: 4071: Apache::lonfeedback.pm 4072: 4073: =head1 SYNOPSIS 4074: 4075: Handles feedback from students to instructors and system administrators. 4076: 4077: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4078: 4079: Used by lonmsg.pm. 4080: 4081: This is part of the LearningOnline Network with CAPA project 4082: described at http://www.lon-capa.org. 4083: 4084: =head1 OVERVIEW 4085: 4086: None 4087: 4088: =head1 SUBROUTINES 4089: 4090: =over 4091: 4092: =item discussion_open() 4093: 4094: =item discussion_visible() 4095: 4096: =item list_discussion() 4097: 4098: =item send_feedback_link() 4099: 4100: =item send_message_link() 4101: 4102: =item action_links_bar() 4103: 4104: =item postingform_display() 4105: 4106: =item build_posting_display 4107: 4108: =item filter_regexp() 4109: 4110: =item get_post_contents() 4111: 4112: =item replicate_attachments() 4113: 4114: =item mail_screen() 4115: 4116: =item print_display_options() 4117: 4118: =item print_sortfilter_options() 4119: 4120: =item print_showposters() 4121: 4122: =item get_post_versions() 4123: 4124: =item get_post_attachments() 4125: 4126: =item fail_redirect() 4127: 4128: =item redirect_back() 4129: 4130: =item no_redirect_back() 4131: 4132: =item screen_header() 4133: 4134: =item resource_output() 4135: 4136: =item clear_out_html() 4137: 4138: =item assemble_email() 4139: 4140: =item feedback_available() 4141: 4142: =item send_msg() 4143: 4144: =item adddiscuss() 4145: 4146: =item get_discussion_info() 4147: 4148: =item show_preview() 4149: 4150: =item newline_to_br() 4151: 4152: =item tidy_html() 4153: 4154: =item generate_preview_button() 4155: 4156: =item modify_attachments() 4157: 4158: =item process_attachments() 4159: 4160: =item generate_attachments_button() 4161: 4162: =item extract_attachments() 4163: 4164: =item construct_attachmenturl() 4165: 4166: =item add_blog_checkbox() 4167: 4168: =item has_discussion() 4169: 4170: =item sort_filter_names() 4171: 4172: =item handler() 4173: 4174: =item blocked_reply_or_edit() 4175: 4176: =item wrap_symb() 4177: 4178: =item dewrapper() 4179: 4180: =item get_feedurl() 4181: 4182: =item get_feedurl_and_clean_symb() 4183: 4184: =item editing_allowed() 4185: 4186: =item check_group_priv() 4187: 4188: =item group_args() 4189: 4190: =item get_resource_title() 4191: 4192: =back 4193: 4194: =cut