loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.294: download - view: text, annotated - select for diffs
Wed Jun 2 14:11:15 2010 UTC (13 years, 11 months ago) by www
Branches: MAIN
CVS tags: HEAD

Bug #5435: discussend overrides problem open status.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.294 2010/06/02 14:11:15 www Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: my $target=''; 285: 286: my $now = time; 287: $discinfo{$visitkey} = $visit; 288: 289: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 290: &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); 291: 292: my $discussion=''; 293: my $manifestfile; 294: my $manifestok=0; 295: my $tempexport; 296: my $imsresources; 297: my $copyresult; 298: 299: my $function = &Apache::loncommon::get_users_function(); 300: my $color = &Apache::loncommon::designparm($function.'.tabbg', 301: $env{'user.domain'}); 302: my %lt = &Apache::lonlocal::texthash( 303: 'cuse' => 'Current discussion settings', 304: 'allposts' => 'All posts', 305: 'unread' => 'New posts only', 306: 'unmark' => 'Unread only', 307: 'ondisp' => 'Once displayed', 308: 'onmark' => 'Once marked not NEW', 309: 'toggoff' => 'Off', 310: 'toggon' => 'On', 311: 'disa' => 'Posts to be displayed', 312: 'npce' => 'Posts cease to be marked "NEW"', 313: 'epcb' => 'Each post can be toggled read/unread', 314: 'chgt' => 'Change', 315: 'disp' => 'Display', 316: 'nolo' => 'Not new', 317: 'togg' => 'Toggle read/unread', 318: 'aner' => 'An error occurred opening the manifest file.', 319: 'difo' => 'Discussion for', 320: 'aerr' => 'An error occurred opening the export file for posting', 321: 'aysu' => 'Are you sure you want to delete this post?', 322: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 323: 'bwco' => 'but will continue to be visible to your instructor', 324: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 325: ); 326: 327: my $currdisp = $lt{'allposts'}; 328: my $currmark = $lt{'onmark'}; 329: my $currtogg = $lt{'toggoff'}; 330: my $dispchange = $lt{'unread'}; 331: my $markchange = $lt{'ondisp'}; 332: my $toggchange = $lt{'toggon'}; 333: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 334: my $displinkA = 'onlyunread'; 335: my $displinkB = 'onlyunmark'; 336: my $marklink = 'markondisp'; 337: my $togglink = 'toggon'; 338: 339: if ($markondisp) { 340: $currmark = $lt{'ondisp'}; 341: $markchange = $lt{'onmark'}; 342: $marklink = 'markonread'; 343: } 344: 345: if ($showonlyunread) { 346: $currdisp = $lt{'unread'}; 347: $dispchange = $lt{'allposts'}; 348: $displinkA = 'allposts'; 349: } 350: 351: if ($showunmark) { 352: $currdisp = $lt{'unmark'}; 353: $dispchange = $lt{'unmark'}; 354: $displinkA='allposts'; 355: $displinkB='onlyunread'; 356: $showonlyunread = 0; 357: } 358: 359: if ($dischash{$toggkey}) { 360: $currtogg = $lt{'toggon'}; 361: $toggchange = $lt{'toggoff'}; 362: $togglink = 'toggoff'; 363: } 364: 365: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 366: 367: if ($newpostsflag) { 368: $chglink .= '&previous='.$prevread; 369: } 370: $chglink.=&group_args($group); 371: 372: if ($visible) { 373: # Print the discusssion 374: if ($outputtarget eq 'tex') { 375: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 376: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 377: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 378: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 379: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 380: } elsif ($outputtarget eq 'export') { 381: # Create temporary directory if this is an export 382: my $now = time; 383: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 384: $tempexport = $$imsextras{'tempexport'}; 385: if (!-e $tempexport) { 386: mkdir($tempexport,0700); 387: } 388: $tempexport .= '/'.$$imsextras{'count'}; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: } else { 393: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 394: if (!-e $tempexport) { 395: mkdir($tempexport,0700); 396: } 397: $tempexport .= '/'.$now; 398: if (!-e $tempexport) { 399: mkdir($tempexport,0700); 400: } 401: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 402: } 403: if (!-e $tempexport) { 404: mkdir($tempexport,0700); 405: } 406: # open manifest file 407: my $manifest = '/imsmanifest.xml'; 408: my $manifestfilename = $tempexport.$manifest; 409: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 410: $manifestok=1; 411: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 412: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 413: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 414: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 415: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 416: <organizations default="$ressymb"> 417: <organization identifier="$ressymb"> 418: <title>$lt{'difo'} $ressymb</title>\n|; 419: } else { 420: $discussion .= $lt{'aner'}.'<br />'; 421: } 422: } else { 423: my $colspan=$maxdepth+1; 424: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 425: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 426: var symbparm = symb+':::'+idx 427: var prevparm = "" 428: if (newflag == 1) { 429: prevparm = "&previous="+previous 430: } 431: if (caller == 'studentdelete') { 432: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 433: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 434: } 435: } else { 436: if (caller == 'seeiddelete') { 437: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 438: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 439: } 440: } 441: } 442: } 443: |); 444: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 445: "\n".'<table class="LC_discussion">'; 446: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 447: $newpostsflag,$group, 448: $prevread,$markondisp); 449: my $escsymb=&escape($ressymb); 450: my $numhidden = keys(%notshown); 451: if ($numhidden > 0) { 452: my $colspan = $maxdepth+1; 453: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 454: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 455: if ($newpostsflag) { 456: $discussion .= '&previous='.$prevread; 457: } 458: $discussion .= &group_args($group); 459: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 460: $numhidden.' '; 461: if ($showunmark) { 462: $discussion .= &mt('posts previously marked read'); 463: } else { 464: $discussion .= &mt('previously viewed posts'); 465: } 466: $discussion .= '<br/></td></tr>'; 467: } 468: } 469: 470: # Choose sort mechanism 471: my @showposts = (); 472: if ($sortposts eq 'descdate') { 473: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 474: } elsif ($sortposts eq 'thread') { 475: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 476: } elsif ($sortposts eq 'subject') { 477: foreach my $key (sort(keys(%subjectsort))) { 478: push(@showposts, @{$subjectsort{$key}}); 479: } 480: } elsif ($sortposts eq 'username') { 481: foreach my $domain (sort(keys(%usernamesort))) { 482: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 483: push(@showposts, @{$usernamesort{$domain}{$key}}); 484: } 485: } 486: } elsif ($sortposts eq 'lastfirst') { 487: foreach my $last (sort(keys(%namesort))) { 488: foreach my $key (sort(keys(%{$namesort{$last}}))) { 489: push(@showposts, @{$namesort{$last}{$key}}); 490: } 491: } 492: } else { 493: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 494: } 495: my $currdepth = 0; 496: my $firstidx = $alldiscussion{$showposts[0]}; 497: foreach my $post (@showposts) { 498: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 499: $alldiscussion{$post} = $post; 500: } 501: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 503: $discussion.="\n<tr>"; 504: } 505: my $thisdepth=$depth[$alldiscussion{$post}]; 506: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 507: for (1..$thisdepth) { 508: $discussion.='<td>   </td>'; 509: } 510: } 511: my $colspan=$maxdepth-$thisdepth+1; 512: if ($outputtarget eq 'tex') { 513: #cleanup block 514: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 515: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 516: my $threadinsert=''; 517: if ($thisdepth > 0) { 518: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 519: } 520: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 521: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 522: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 523: 524: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 525: $discussion.=$discussionitems[$alldiscussion{$post}]; 526: } elsif ($outputtarget eq 'export') { 527: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 528: if ($manifestok) { 529: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 530: print $manifestfile ' </item>'."\n"; 531: } 532: $currdepth = $depth[$alldiscussion{$post}]; 533: print $manifestfile "\n". 534: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 535: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 536: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 537: $imsresources .= "\n". 538: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 539: '<file href="'.$postfilename.'">'."\n". 540: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 541: '</resource>'; 542: } 543: my $postingfile; 544: my $postingfilename = $tempexport.'/'.$postfilename; 545: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 546: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 547: $imsitems{$alldiscussion{$post}}{'title'}.' '. 548: $imsitems{$alldiscussion{$post}}{'sender'}. 549: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 550: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 551: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 552: close($postingfile); 553: } else { 554: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 555: } 556: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 557: } else { 558: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 559: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 560: '</td></tr>'; 561: } 562: } 563: } 564: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 565: my $colspan=$maxdepth+1; 566: $discussion .= <<END; 567: <tr bgcolor="#FFFFFF"> 568: <td colspan="$colspan" class="LC_disc_action_links_bar"> 569: <table class="LC_disc_action_table"> 570: <tr> 571: <td align="left"> 572: <table border="0" cellpadding="0" cellspacing="4"> 573: <tr> 574: <td> 575: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 576: <td> </td> 577: <td><font size="-1"> 578: END 579: if ($newpostsflag) { 580: $discussion .= 581: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 582: if ($dischash{$toggkey}) { 583: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 584: } 585: } else { 586: if ($dischash{$toggkey}) { 587: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 588: } else { 589: $discussion .= 590: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 591: } 592: } 593: $discussion .= <<END; 594: </font></td> 595: <td> </td> 596: <td align="left"> 597: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 598: </td> 599: </tr> 600: </table> 601: </td> 602: END 603: if ($sortposts) { 604: my %sort_types = (); 605: my %role_types = (); 606: my %status_types = (); 607: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 608: 609: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 610: if (defined($env{'form.totposters'})) { 611: $discussion .= &mt('Posts by').':'; 612: if ($totposters > 0) { 613: foreach my $poster (@posters) { 614: $discussion .= ' '.$poster.','; 615: } 616: $discussion =~ s/,$//; 617: } else { 618: $discussion .= &mt('None selected'); 619: } 620: } else { 621: my $filterchoice =''; 622: if (@sectionpick > 0) { 623: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 624: $filterchoice .= '    '; 625: } 626: if (@grouppick > 0) { 627: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 628: $filterchoice .= '    '; 629: } 630: if (@rolefilter > 0) { 631: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 632: foreach my $role (@rolefilter) { 633: $filterchoice .= ' '.$role_types{$role}.','; 634: } 635: $filterchoice =~ s/,$//; 636: $filterchoice .= '<br />'.(' ' x8); 637: } 638: if ($statusfilter) { 639: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 640: } 641: if ($filterchoice) { 642: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 643: } 644: $discussion .= '</font></td>'; 645: } 646: } 647: if ($dischash{$toggkey}) { 648: my $storebutton = &mt('Save read/unread changes'); 649: $discussion.='<td align="right">'. 650: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 651: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 652: ' onclick="this.form.submit();" />'."\n". 653: '</td>'; 654: } 655: $discussion .= (<<END); 656: </tr> 657: </table> 658: </td> 659: </tr> 660: END 661: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 662: $newpostsflag,$group, 663: $prevread,$markondisp); 664: $discussion .= " 665: </table> 666: <br /><br /></form>\n"; 667: } 668: if ($outputtarget eq 'export') { 669: if ($manifestok) { 670: while ($currdepth > 0) { 671: print $manifestfile " </item>\n"; 672: $currdepth --; 673: } 674: print $manifestfile qq| 675: </organization> 676: </organizations> 677: <resources> 678: $imsresources 679: </resources> 680: </manifest> 681: |; 682: close($manifestfile); 683: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 684: $discussion = $copyresult; 685: } else { 686: 687: #Create zip file in prtspool 688: 689: my $imszipfile = '/prtspool/'. 690: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 691: time.'_'.rand(1000000000).'.zip'; 692: my $cwd = &getcwd(); 693: my $imszip = '/home/httpd/'.$imszipfile; 694: chdir $tempexport; 695: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 696: close(OUTPUT); 697: chdir $cwd; 698: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 699: if ($copyresult) { 700: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 701: } 702: } 703: } else { 704: $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 />'; 705: } 706: return $discussion; 707: } 708: } 709: if ($discussiononly) { 710: my $now = time; 711: my $attachnum = 0; 712: my $currnewattach = []; 713: my $currdelold = []; 714: my $comment = ''; 715: my $subject = ''; 716: if ($env{'form.origpage'}) { 717: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 718: $subject = &unescape($env{'form.subject'}); 719: $comment = &unescape($env{'form.comment'}); 720: my @keepold = (); 721: &process_attachments($currnewattach,$currdelold,\@keepold); 722: if (@{$currnewattach} > 0) { 723: $attachnum += @{$currnewattach}; 724: } 725: } 726: if (&discussion_open($status)) { 727: if (($group ne '') && ($mode eq 'board')) { 728: if (&check_group_priv($group,'pgd') eq 'ok') { 729: $discussion .= 730: &postingform_display($mode,$ressymb,$now,$subject, 731: $comment,$outputtarget,$attachnum, 732: $currnewattach,$currdelold, 733: $group,$crstype); 734: } 735: } else { 736: $discussion.= 737: &postingform_display($mode,$ressymb,$now,$subject, 738: $comment,$outputtarget,$attachnum, 739: $currnewattach,$currdelold,'',$crstype); 740: } 741: } 742: } else { 743: $discussion.='<div class="LC_feedback_link">'; 744: if (&discussion_open($status) && 745: &Apache::lonnet::allowed('pch', 746: $env{'request.course.id'}. 747: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 748: if ($outputtarget ne 'tex') { 749: $discussion.= &send_feedback_link($ressymb,$target); 750: } 751: } else { 752: if ($outputtarget ne 'tex') { 753: $discussion.= &mt('This discussion is closed.'); 754: } 755: } 756: if ($outputtarget ne 'tex') { 757: $discussion.= &send_message_link($ressymb); 758: } 759: $discussion.='</div>'; 760: } 761: return $discussion; 762: } 763: 764: sub send_feedback_link { 765: my ($ressymb,$target) = @_; 766: my $output = '<span class="LC_feedback_link">'. 767: ' <a href="/adm/feedback?replydisc='. 768: &escape($ressymb).':::" '.$target.'>'. 769: '<img alt="" class="LC_noBorder" src="'. 770: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 771: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 772: return $output; 773: } 774: 775: sub send_message_link { 776: my ($ressymb) = @_; 777: my $output = '<span class="LC_message_link">'. 778: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 779: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 780: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 781: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 782: return $output; 783: } 784: 785: sub action_links_bar { 786: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 787: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 788: '<table width="100%" class="LC_disc_action_table"><tr>'. 789: '<td class="LC_disc_action_left">'; 790: my $escsymb=&escape($ressymb); 791: if ($visible>2) { 792: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 793: if ($newpostsflag) { 794: $discussion .= '&previous='.$prevread; 795: } 796: $discussion .= &group_args($group); 797: $discussion .='">'.&mt('Threaded View').'</a>  '. 798: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 799: if ($newpostsflag) { 800: $discussion .= '&previous='.$prevread; 801: } 802: $discussion .= &group_args($group); 803: $discussion .='">'.&mt('Chronological View').'</a>   804: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 805: if ($newpostsflag) { 806: $discussion .= '&previous='.$prevread; 807: } 808: $discussion .= &group_args($group); 809: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 810: } 811: $discussion .='<a href="/adm/feedback?export='.$escsymb; 812: if ($newpostsflag) { 813: $discussion .= '&previous='.$prevread; 814: } 815: $discussion .= &group_args($group); 816: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 817: if ($newpostsflag) { 818: if (!$markondisp) { 819: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 820: $discussion .= &group_args($group); 821: $discussion .= '">'. 822: &mt('Preferences on what is marked as NEW'). 823: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 824: $discussion .= &group_args($group); 825: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 826: } else { 827: $discussion .= '<td> </td>'; 828: } 829: } else { 830: $discussion .= '<td> </td>'; 831: } 832: $discussion .= '</tr></table></td></tr>'; 833: return $discussion; 834: } 835: 836: sub postingform_display { 837: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 838: $currnewattach,$currdelold,$group,$crstype) = @_; 839: my $newattachmsg; 840: my %lt = &Apache::lonlocal::texthash( 841: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 842: 'title' => 'Title', 843: 'podi' => 'Post Discussion', 844: 'poan' => 'Post Anonymous Discussion', 845: 'newa' => 'New attachments', 846: ); 847: if ($crstype eq 'Community') { 848: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 849: } 850: my $postingform = (<<ENDDISCUSS); 851: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 852: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 853: <input type="hidden" name="sendit" value="true" /> 854: <input type="hidden" name="timestamp" value="$now" /> 855: <br /><a name="newpost"></a> 856: <font size="1">$lt{'note'}</font><br /> 857: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 858: <textarea name="comment" cols="80" rows="14" >$comment</textarea> 859: ENDDISCUSS 860: if ($env{'form.origpage'}) { 861: $postingform .= '<input type="hidden" name="origpage" value="'. 862: $env{'form.origpage'}.'" />'."\n"; 863: foreach my $att (@{$currnewattach}) { 864: $postingform .= '<input type="hidden" name="currnewattach" '. 865: 'value="'.$att.'" />'."\n"; 866: } 867: } 868: if (exists($env{'form.ref'})) { 869: $postingform .= '<input type="hidden" name="ref" value="'. 870: $env{'form.ref'}.'" />'; 871: } 872: if ($group ne '') { 873: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 874: } 875: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 876: if (!$blockblog) { 877: $postingform .= &add_blog_checkbox($crstype); 878: } 879: $postingform .= "</form>\n"; 880: if ($outputtarget ne 'tex') { 881: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 882: $now,$currnewattach, 883: $currdelold,'',$mode, 884: $blockblog); 885: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 886: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 887: if (@{$currnewattach} > 1) { 888: $newattachmsg .= '<ol>'; 889: foreach my $item (@{$currnewattach}) { 890: $item =~ m#.*/([^/]+)$#; 891: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 892: } 893: $newattachmsg .= '</ol>'."\n"; 894: } else { 895: $$currnewattach[0] =~ m#.*/([^/]+)$#; 896: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 897: } 898: } 899: $postingform .= $newattachmsg; 900: $postingform .= &generate_preview_button(); 901: } 902: return $postingform; 903: } 904: 905: sub build_posting_display { 906: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 907: my @original=(); 908: my @index=(); 909: my $skip_group_check = 0; 910: my $symb=&Apache::lonenc::check_decrypt($ressymb); 911: my $escsymb=&escape($ressymb); 912: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 913: $env{'course.'.$env{'request.course.id'}.'.domain'}, 914: $env{'course.'.$env{'request.course.id'}.'.num'}); 915: 916: my $see_anonymous = 917: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 918: 919: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 920: $skip_group_check = 1; 921: } 922: if ($contrib{'version'}) { 923: my $oldest = $contrib{'1:timestamp'}; 924: if ($prevread eq '0') { 925: $prevread = $oldest-1; 926: } 927: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 928: if ($sortposts) { 929: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 930: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 931: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 932: } 933: for (my $id=1;$id<=$contrib{'version'};$id++) { 934: my $idx=$id; 935: my $posttime = $contrib{$idx.':timestamp'}; 936: if ($prevread <= $posttime) { 937: $$newpostsflag = 1; 938: } 939: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 940: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 941: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 942: my $origindex='0.'; 943: my $numoldver=0; 944: if ($contrib{$idx.':replyto'}) { 945: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 946: # this is a follow-up message 947: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 948: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 949: $origindex=$index[$contrib{$idx.':replyto'}]; 950: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 951: } else { 952: $original[$idx]=0; 953: $$depth[$idx]=0; 954: } 955: } else { 956: # this is an original message 957: $original[$idx]=0; 958: $$depth[$idx]=0; 959: } 960: if ($$replies[$$depth[$idx]]) { 961: $$replies[$$depth[$idx]]++; 962: } else { 963: $$replies[$$depth[$idx]]=1; 964: } 965: unless ((($hidden) && (!$seeid)) || ($deleted)) { 966: $$visible++; 967: if ($contrib{$idx.':history'}) { 968: if ($contrib{$idx.':history'} =~ /:/) { 969: my @oldversions = split(/:/,$contrib{$idx.':history'}); 970: $numoldver = @oldversions; 971: } else { 972: $numoldver = 1; 973: } 974: } 975: $$current = $numoldver; 976: my %messages = (); 977: my %subjects = (); 978: my %attachtxt = (); 979: my %allattachments = (); 980: my ($screenname,$plainname); 981: my $sender = &mt('Anonymous'); 982: # Anonymous users getting number within a discussion 983: # Since idx is in static order, this should give the same sequence every time. 984: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 985: unless ($$anonhash{$key}) { 986: $anoncnt++; 987: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 988: } 989: my ($message,$subject,$vgrlink,$ctlink); 990: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 991: 992: 993: # Set up for sorting by subject 994: unless ($outputtarget eq 'export') { 995: $message=$messages{$numoldver}; 996: $message.=$attachtxt{$numoldver}; 997: $subject=$subjects{$numoldver}; 998: if ($message) { 999: if ($hidden) { 1000: $message='<font color="#888888">'.$message.'</font>'; 1001: if ($studenthidden) { 1002: $message .='<br /><br />Deleted by poster (student).'; 1003: } 1004: } 1005: 1006: if ($subject eq '') { 1007: if (defined($$subjectsort{'__No subject'})) { 1008: push(@{$$subjectsort{'__No subject'}}, $idx); 1009: } else { 1010: @{$$subjectsort{'__No subject'}} = ("$idx"); 1011: } 1012: } else { 1013: if (defined($$subjectsort{$subject})) { 1014: push(@{$$subjectsort{$subject}}, $idx); 1015: } else { 1016: @{$$subjectsort{$subject}} = ("$idx"); 1017: } 1018: } 1019: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1020: $sender=&Apache::loncommon::aboutmewrapper( 1021: $plainname, 1022: $contrib{$idx.':sendername'}, 1023: $contrib{$idx.':senderdomain'}).' ('. 1024: $contrib{$idx.':sendername'}.':'. 1025: $contrib{$idx.':senderdomain'}.')'; 1026: $sender = '<b>'.$sender.'</b>'; 1027: if ($contrib{$idx.':anonymous'}) { 1028: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1029: $screenname; 1030: } 1031: if ($see_anonymous) { 1032: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1033: } 1034: # Set up for sorting by domain, then username 1035: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1036: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1037: } 1038: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1039: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1040: } else { 1041: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1042: } 1043: # Set up for sorting by last name, then first name 1044: my %names = &Apache::lonnet::get('environment', 1045: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1046: ,$contrib{$idx.':sendername'}); 1047: my $lastname = $names{'lastname'}; 1048: my $firstname = $names{'firstname'}; 1049: if ($lastname eq '') { 1050: $lastname = '_'; 1051: } 1052: if ($firstname eq '') { 1053: $firstname = '_'; 1054: } 1055: unless (defined($$namesort{$lastname})) { 1056: %{$$namesort{$lastname}} = (); 1057: } 1058: if (defined($$namesort{$lastname}{$firstname})) { 1059: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1060: } else { 1061: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1062: } 1063: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1064: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1065: $sender.=' <a href="/adm/feedback?editdisc='. 1066: $escsymb.':::'.$idx; 1067: if ($$newpostsflag) { 1068: $sender .= '&previous='.$prevread; 1069: } 1070: $sender .= &group_args($group); 1071: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1072: 1073: unless ($seeid) { 1074: my $grpargs = &group_args($group); 1075: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1076: $sender .= '">'.&mt('Delete').'</a>'; 1077: } 1078: } 1079: } 1080: if ($seeid) { 1081: if ($hidden) { 1082: unless ($studenthidden) { 1083: $sender.=' <a href="/adm/feedback?unhide='. 1084: $escsymb.':::'.$idx; 1085: if ($$newpostsflag) { 1086: $sender .= '&previous='.$prevread; 1087: } 1088: $sender .= '">'.&mt('Make Visible').'</a>'; 1089: } 1090: } else { 1091: $sender.=' <a href="/adm/feedback?hide='. 1092: $escsymb.':::'.$idx; 1093: if ($$newpostsflag) { 1094: $sender .= '&previous='.$prevread; 1095: } 1096: $sender .= &group_args($group); 1097: $sender .= '">'.&mt('Hide').'</a>'; 1098: } 1099: my $grpargs = &group_args($group); 1100: $sender.= 1101: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1102: $sender .= &mt('Delete').'</a>'; 1103: } 1104: } else { 1105: if ($screenname) { 1106: $sender='<i>'.$screenname.'</i>'; 1107: } else { 1108: $sender='<i>'.$$anonhash{$key}.'</i>'; 1109: } 1110: $sender = '<b>'.$sender.'</b>'; 1111: # Set up for sorting by domain, then username for anonymous 1112: unless (defined($$usernamesort{'__anon'})) { 1113: %{$$usernamesort{'__anon'}} = (); 1114: } 1115: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1116: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1117: } else { 1118: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1119: } 1120: # Set up for sorting by last name, then first name for anonymous 1121: unless (defined($$namesort{'__anon'})) { 1122: %{$$namesort{'__anon'}} = (); 1123: } 1124: if (defined($$namesort{'__anon'}{'__anon'})) { 1125: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1126: } else { 1127: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1128: } 1129: } 1130: if (&discussion_open($status)) { 1131: if (($group ne '') && 1132: (&check_group_priv($group,'pgd') eq 'ok')) { 1133: $sender.=' <a href="/adm/feedback?replydisc='. 1134: $escsymb.':::'.$idx; 1135: if ($$newpostsflag) { 1136: $sender .= '&previous='.$prevread; 1137: } 1138: $sender .= &group_args($group); 1139: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1140: } elsif (&Apache::lonnet::allowed('pch', 1141: $env{'request.course.id'}. 1142: ($env{'request.course.sec'}?'/'. 1143: $env{'request.course.sec'}:''))) { 1144: $sender.=' <a href="/adm/feedback?replydisc='. 1145: $escsymb.':::'.$idx; 1146: if ($$newpostsflag) { 1147: $sender .= '&previous='.$prevread; 1148: } 1149: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1150: } 1151: } 1152: if ($viewgrades) { 1153: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1154: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1155: } 1156: if ($$dischash{$readkey}=~/\.$idx\./) { 1157: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1158: } else { 1159: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1160: } 1161: } 1162: #figure out at what position this needs to print 1163: } 1164: if ($outputtarget eq 'export' || $message) { 1165: my $thisindex=$idx; 1166: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1167: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1168: } 1169: $$alldiscussion{$thisindex}=$idx; 1170: $$shown{$idx} = 0; 1171: $index[$idx]=$thisindex; 1172: } 1173: if ($outputtarget eq 'export') { 1174: %{$$imsitems{$idx}} = (); 1175: $$imsitems{$idx}{'isvisible'}='true'; 1176: if ($hidden) { 1177: $$imsitems{$idx}{'isvisible'}='false'; 1178: } 1179: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1180: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1181: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1182: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1183: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1184: $contrib{$idx.':sendername'}.':'. 1185: $contrib{$idx.':senderdomain'}.')'; 1186: $$imsitems{$idx}{'isanonymous'}='false'; 1187: if ($contrib{$idx.':anonymous'}) { 1188: $$imsitems{$idx}{'isanonymous'}='true'; 1189: } 1190: $$imsitems{$idx}{'currversion'}=$numoldver; 1191: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1192: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1193: $$shown{$idx} = 1; 1194: } 1195: } else { 1196: if ($message) { 1197: my $spansize = 2; 1198: if ($showonlyunread && $prevread > $posttime) { 1199: $$notshown{$idx} = 1; 1200: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1201: $$notshown{$idx} = 1; 1202: } else { 1203: # apply filters 1204: my $uname = $contrib{$idx.':sendername'}; 1205: my $udom = $contrib{$idx.':senderdomain'}; 1206: my $poster = $uname.':'.$udom; 1207: if ($env{'form.totposters'} ne '') { 1208: if ($totposters == 0) { 1209: $$shown{$idx} = 0; 1210: } elsif ($totposters > 0) { 1211: if (grep/^$poster$/,@{$posters}) { 1212: $$shown{$idx} = 1; 1213: } 1214: } 1215: } elsif ($sortposts) { 1216: if ($skiptest) { 1217: $$shown{$idx} = 1; 1218: } else { 1219: foreach my $role (@{$$roleinfo{$poster}}) { 1220: if ($role =~ /^cc:/) { 1221: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1222: if ($role =~ /$cc_regexp/) { 1223: $$shown{$idx} = 1; 1224: last; 1225: } 1226: } elsif ($role =~ /^$rolematch$/) { 1227: $$shown{$idx} = 1; 1228: last; 1229: } 1230: } 1231: } 1232: if ($$shown{$idx} && !$skip_group_check) { 1233: my $showflag = 0; 1234: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1235: foreach my $grp (@{$grouppick}) { 1236: if (grep/^\Q$grp\E$/, 1237: keys(%{$$classgroups{$poster}{active}})) { 1238: $showflag = 1; 1239: last; 1240: } 1241: } 1242: } 1243: if ($showflag) { 1244: $$shown{$idx} = 1; 1245: } else { 1246: $$shown{$idx} = 0; 1247: } 1248: } 1249: } else { 1250: $$shown{$idx} = 1; 1251: } 1252: } 1253: unless ($$notshown{$idx} == 1) { 1254: if ($prevread > 0 && $prevread <= $posttime) { 1255: $$newitem{$idx} = 1; 1256: $$discussionitems[$idx] .= ' 1257: <table border="0" width="100%"> 1258: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>'; 1259: } else { 1260: $$newitem{$idx} = 0; 1261: $$discussionitems[$idx] .= ' 1262: <table border="0" width="100%"> 1263: <tr><td align="left"> </td>'; 1264: } 1265: $$discussionitems[$idx] .= '<td align="left">  '. 1266: '<b>'.$subject.'</b>  '. 1267: $sender.' '.$vgrlink.' ('. 1268: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1269: if ($$dischash{$toggkey}) { 1270: $$discussionitems[$idx].='<td align="right">  '. 1271: $ctlink.'</td>'; 1272: } 1273: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1274: $message.'</blockquote>'; 1275: if ($contrib{$idx.':history'}) { 1276: my @postversions = (); 1277: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1278: if ($seeid) { 1279: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1280: $$discussionitems[$idx] .= &group_args($group); 1281: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1282: } 1283: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1284: if ($contrib{$idx.':history'} =~ m/:/) { 1285: @postversions = split(/:/,$contrib{$idx.':history'}); 1286: } else { 1287: @postversions = ("$contrib{$idx.':history'}"); 1288: } 1289: for (my $i=0; $i<@postversions; $i++) { 1290: my $version = $i+1; 1291: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1292: } 1293: } 1294: } 1295: } 1296: } 1297: } 1298: } 1299: } 1300: } 1301: 1302: sub filter_regexp { 1303: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1304: my ($roleregexp,$secregexp,$statusregexp); 1305: my $skiptest = 1; 1306: if (@{$rolefilter} > 0) { 1307: my @okrolefilter = (); 1308: foreach my $role (@{$rolefilter}) { 1309: unless ($role eq '') { 1310: push(@okrolefilter, $role); 1311: } 1312: } 1313: if (@okrolefilter > 0) { 1314: if (grep/^all$/,@okrolefilter) { 1315: $roleregexp='[^:]+'; 1316: } else { 1317: if (@okrolefilter == 1) { 1318: $roleregexp=$okrolefilter[0]; 1319: } else { 1320: $roleregexp='('.join('|',@okrolefilter).')'; 1321: } 1322: $skiptest = 0; 1323: } 1324: } 1325: } 1326: if (@{$sectionpick} > 0) { 1327: my @oksectionpick = (); 1328: foreach my $sec (@{$sectionpick}) { 1329: unless ($sec eq '') { 1330: push(@oksectionpick, $sec); 1331: } 1332: } 1333: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1334: if (@oksectionpick == 1) { 1335: $secregexp = $oksectionpick[0]; 1336: } else { 1337: $secregexp .= '('.join('|',@oksectionpick).')'; 1338: } 1339: $skiptest = 0; 1340: } else { 1341: $secregexp .= '[^:]*'; 1342: } 1343: } 1344: 1345: if (defined($statusfilter) && $statusfilter ne '') { 1346: if ($statusfilter eq 'all') { 1347: $statusregexp = '[^:]+'; 1348: } else { 1349: $statusregexp = $statusfilter; 1350: $skiptest = 0; 1351: } 1352: } 1353: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1354: } 1355: 1356: 1357: sub get_post_contents { 1358: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1359: my $discussion = ''; 1360: my $start=$numver; 1361: my $end=$numver + 1; 1362: %{$$imsfiles{$idx}}=(); 1363: if ($type eq 'allversions') { 1364: unless($seeid) { 1365: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1366: return $discussion; 1367: } 1368: } 1369: # $$screenname=&Apache::loncommon::screenname( 1370: # $$contrib{$idx.':sendername'}, 1371: # $$contrib{$idx.':senderdomain'}); 1372: $$plainname=&Apache::loncommon::nickname( 1373: $$contrib{$idx.':sendername'}, 1374: $$contrib{$idx.':senderdomain'}); 1375: $$screenname=$$contrib{$idx.':screenname'}; 1376: 1377: my $sender=&Apache::loncommon::aboutmewrapper( 1378: $$plainname, 1379: $$contrib{$idx.':sendername'}, 1380: $$contrib{$idx.':senderdomain'}).' ('. 1381: $$contrib{$idx.':sendername'}.':'. 1382: $$contrib{$idx.':senderdomain'}.')'; 1383: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1384: my @postversions = (); 1385: if ($type eq 'allversions' || $type eq 'export') { 1386: $start = 0; 1387: if ($$contrib{$idx.':history'}) { 1388: @postversions = split(/:/,$$contrib{$idx.':history'}); 1389: } 1390: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1391: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1392: push(@postversions,$$contrib{$idx.':timestamp'}); 1393: $end = @postversions; 1394: } else { 1395: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1396: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1397: } 1398: 1399: if ($$contrib{$idx.':anonymous'}) { 1400: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1401: } 1402: if ($type eq 'allversions') { 1403: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1404: } 1405: for (my $i=$start; $i<$end; $i++) { 1406: my ($timesent,$attachmsg); 1407: my %currattach = (); 1408: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1409: unless (&contains_block_html($messages->{$i})) { 1410: &newline_to_br(\$messages->{$i}); 1411: } 1412: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1413: $$subjects{$i}=~s/\n/\<br \/\>/g; 1414: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1415: if ($attachmenturls) { 1416: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1417: } 1418: if ($type eq 'export') { 1419: $$imsfiles{$idx}{$i} = ''; 1420: if ($attachmsg) { 1421: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1422: foreach my $key (sort(keys(%currattach))) { 1423: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1424: my $fname = $1.$3.'/'.$4; 1425: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1426: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1427: } 1428: } 1429: } 1430: } else { 1431: if ($attachmsg) { 1432: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1433: } else { 1434: $$attachtxt{$i} = ''; 1435: } 1436: } 1437: if ($type eq 'allversions') { 1438: $discussion.= <<"END"; 1439: <li><b>$$subjects{$i}</b>, $timesent<br /> 1440: $$messages{$i}<br /> 1441: $$attachtxt{$i}</li> 1442: END 1443: } 1444: } 1445: if ($type eq 'allversions') { 1446: $discussion.='</ul>'; 1447: return $discussion; 1448: } else { 1449: return; 1450: } 1451: } 1452: 1453: sub replicate_attachments { 1454: my ($attachrefs,$tempexport) = @_; 1455: my $response; 1456: foreach my $id (keys(%{$attachrefs})) { 1457: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1458: my $path = $tempexport; 1459: my $tail = $1.'/'.$2.$4; 1460: my @extras = split(/\//,$tail); 1461: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1462: if (!-e $destination) { 1463: my $i= 0; 1464: while ($i<@extras) { 1465: $path .= '/'.$extras[$i]; 1466: if (!-e $path) { 1467: mkdir($path,0700); 1468: } 1469: $i ++; 1470: } 1471: my ($content,$rtncode); 1472: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1473: if ($uploadreply eq 'ok') { 1474: my $attachcopy; 1475: if ($attachcopy = Apache::File->new('>'.$destination)) { 1476: print $attachcopy $content; 1477: close($attachcopy); 1478: } else { 1479: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1480: } 1481: } else { 1482: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1483: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1484: } 1485: } 1486: } 1487: } 1488: return $response; 1489: } 1490: 1491: sub mail_screen { 1492: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1493: if (exists($env{'form.origpage'})) { 1494: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1495: } 1496: 1497: my %lt = &Apache::lonlocal::texthash( 1498: 'myqu' => 'My question/comment/feedback:', 1499: 'title' => 'Title', 1500: 'reta' => 'Retained attachments', 1501: 'atta' => 'Attachment', 1502: ); 1503: my $restitle = &get_resource_title($caller_symb,$feedurl); 1504: my $quote=''; 1505: my $subject = ''; 1506: my $comment = ''; 1507: my $prevtag = ''; 1508: my $parentmsg = ''; 1509: my ($symb,$idx,$attachmenturls); 1510: my $numoldver = 0; 1511: my $attachmsg = ''; 1512: my $newattachmsg = ''; 1513: my @currnewattach = (); 1514: my @currdelold = (); 1515: my @keepold = (); 1516: my %attachments = (); 1517: my %currattach = (); 1518: my $attachnum = 0; 1519: my $anonchk = (<<END); 1520: function anonchk() { 1521: for (var i=0; i < document.mailform.discuss.length; i++) { 1522: if (document.mailform.discuss[i].checked) { 1523: document.attachment.discuss.value = 1524: document.mailform.discuss[i].value; 1525: } 1526: } 1527: if (document.mailform.blog.checked) { 1528: document.attachment.blog.value = 1; 1529: } 1530: return 1531: } 1532: END 1533: my $anonscript; 1534: if (exists($env{'form.origpage'})) { 1535: $anonscript = (<<END); 1536: function setposttype() { 1537: var disc = "$env{'form.discuss'}"; 1538: for (var i=0; i < document.mailform.discuss.length; i++) { 1539: if (disc == document.mailform.discuss[i].value) { 1540: document.mailform.discuss[i].checked = 1; 1541: } 1542: } 1543: var blog = "$env{'form.blog'}"; 1544: if (blog == 1) { 1545: document.mailform.blog.checked=1; 1546: } 1547: return 1548: } 1549: END 1550: } else { 1551: $anonscript = (<<END); 1552: function setposttype() { 1553: return 1554: } 1555: END 1556: } 1557: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1558: if ($env{'form.replydisc'}) { 1559: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1560: } else { 1561: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1562: } 1563: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1564: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1565: $env{'course.'.$env{'request.course.id'}.'.num'}); 1566: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1567: if ($contrib{$idx.':history'}) { 1568: if ($contrib{$idx.':history'} =~ /:/) { 1569: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1570: $numoldver = @oldversions; 1571: } else { 1572: $numoldver = 1; 1573: } 1574: } 1575: if ($env{'form.replydisc'}) { 1576: if ($contrib{$idx.':history'}) { 1577: if ($contrib{$idx.':history'} =~ /:/) { 1578: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1579: $numoldver = @oldversions; 1580: } else { 1581: $numoldver = 1; 1582: } 1583: } 1584: if ($idx > 0) { 1585: my %msgversions = (); 1586: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1587: $quote = $msgversions{$numoldver}; 1588: } 1589: if ($idx > 0) { 1590: my %subversions = (); 1591: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1592: $subject = &mt('Re: ').$subversions{$numoldver}; 1593: } 1594: $subject = &HTML::Entities::encode($subject,'<>&"'); 1595: } else { 1596: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1597: if ($idx > 0) { 1598: my %msgversions = (); 1599: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1600: $comment = $msgversions{$numoldver}; 1601: my %subversions = (); 1602: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1603: $subject = $subversions{$numoldver}; 1604: } 1605: if (defined($contrib{$idx.':replyto'})) { 1606: $parentmsg = $contrib{$idx.':replyto'}; 1607: } 1608: unless (exists($env{'form.origpage'})) { 1609: my $anonflag = 'nonanon'; 1610: if ($contrib{$idx.':anonymous'}) { 1611: $anonflag = 'anon'; 1612: } 1613: $anonscript = (<<END); 1614: function setposttype () { 1615: var currtype = "$anonflag"; 1616: for (var i=0; i<document.mailform.discuss.length; i++) { 1617: if (document.mailform.elements.discuss[i].value == currtype ) { 1618: document.mailform.elements.discuss[i].checked=1; 1619: } 1620: } 1621: return 1622: } 1623: END 1624: } 1625: } 1626: } 1627: if ($env{'form.previous'}) { 1628: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1629: } 1630: } 1631: 1632: if ($env{'form.origpage'}) { 1633: $subject = &unescape($env{'form.subject'}); 1634: $comment = &unescape($env{'form.comment'}); 1635: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1636: } 1637: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1638: my $send=&mt('Send'); 1639: my $alert = &mt('Please select a feedback type.'); 1640: my $js= <<END; 1641: <script type="text/javascript"> 1642: // 1676: </script> 1677: END 1678: 1679: # Breadcrumbs 1680: my $brcrum = [{'href' => '', 1681: 'text' => 'Resource Feedback and Discussion'}]; 1682: 1683: my %onload = ('onload' => 'window.focus();setposttype();'); 1684: my $start_page= 1685: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1686: {'add_entries' => \%onload, 1687: 'bread_crumbs' => $brcrum,}); 1688: 1689: if ($quote ne '') { 1690: $quote = &HTML::Entities::decode($quote); 1691: unless (&contains_block_html($quote)) { 1692: &newline_to_br(\$quote); 1693: } 1694: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1695: } 1696: 1697: $r->print(<<END); 1698: $start_page 1699: <h2><tt>$restitle</tt></h2> 1700: <form action="/adm/feedback" method="post" name="mailform" 1701: enctype="multipart/form-data"> 1702: $prevtag 1703: <input type="hidden" name="postdata" value="$feedurl" /> 1704: END 1705: if ($env{'form.replydisc'}) { 1706: $r->print(<<END); 1707: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1708: END 1709: } elsif ($env{'form.editdisc'}) { 1710: $r->print(<<END); 1711: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1712: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1713: END 1714: } 1715: $r->print(<<END); 1716: $options<hr /> 1717: $quote 1718: <p>$lt{'myqu'}</p> 1719: <p> 1720: $latexHelp 1721: </p> 1722: <p> 1723: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1724: <p> 1725: <textarea name="comment" id="comment" cols="60" rows="10">$comment 1726: </textarea></p> 1727: END 1728: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1729: if ($env{'form.origpage'}) { 1730: foreach my $attach (@currnewattach) { 1731: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1732: } 1733: foreach my $oldatt (@currdelold) { 1734: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1735: } 1736: } 1737: if ($env{'form.editdisc'}) { 1738: if ($attachmenturls) { 1739: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1740: $attachnum = scalar(keys(%currattach)); 1741: foreach my $key (keys(%currattach)) { 1742: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1743: } 1744: } 1745: } 1746: } else { 1747: $r->print(<<END); 1748: <p> 1749: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1750: </p> 1751: END 1752: } 1753: if (exists($env{'form.group'})) { 1754: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1755: } 1756: if (exists($env{'form.ref'})) { 1757: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1758: } 1759: $r->print(<<END); 1760: <p> 1761: <input type="hidden" name="sendit" value="1" /> 1762: <input type="button" value="$send" onclick='gosubmit();' /> 1763: </p> 1764: </form> 1765: END 1766: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1767: my $now = time; 1768: my $ressymb = $symb; 1769: &Apache::lonenc::check_encrypt(\$ressymb); 1770: my $postidx = ''; 1771: if ($env{'form.editdisc'}) { 1772: $postidx = $idx; 1773: } 1774: if (@currnewattach > 0) { 1775: $attachnum += @currnewattach; 1776: } 1777: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1778: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1779: if ($attachnum > 0) { 1780: if (@currnewattach > 0) { 1781: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1782: if (@currnewattach > 1) { 1783: $newattachmsg .= '<ol>'; 1784: foreach my $item (@currnewattach) { 1785: $item =~ m#.*/([^/]+)$#; 1786: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1787: } 1788: $newattachmsg .= '</ol>'."\n"; 1789: } else { 1790: $currnewattach[0] =~ m#.*/([^/]+)$#; 1791: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1792: } 1793: } 1794: if ($attachmsg) { 1795: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1796: } 1797: if ($newattachmsg) { 1798: $r->print("$newattachmsg<br />"); 1799: } 1800: } 1801: } 1802: $r->print(&generate_preview_button(). 1803: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1804: &Apache::loncommon::end_page()); 1805: 1806: } 1807: 1808: sub print_display_options { 1809: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1810: &Apache::loncommon::content_type($r,'text/html'); 1811: $r->send_http_header; 1812: 1813: my $function = &Apache::loncommon::get_users_function(); 1814: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1815: $env{'user.domain'}); 1816: 1817: my %lt = &Apache::lonlocal::texthash( 1818: 'pref' => 'Display Preference', 1819: 'curr' => 'Current setting ', 1820: 'actn' => 'Action', 1821: 'deff' => 'Default for all discussions', 1822: 'prca' => 'Preferences can be set for this discussion that determine ....', 1823: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1824: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1825: 'wipa' => 'Whether individual posts can be marked as read/unread', 1826: 'allposts' => 'All posts', 1827: 'unread' => 'New posts only', 1828: 'unmark' => 'Posts not marked read', 1829: 'ondisp' => 'Once displayed', 1830: 'onmark' => 'Once marked not NEW', 1831: 'toggon' => 'Shown', 1832: 'toggoff' => 'Not shown', 1833: 'disa' => 'Posts displayed?', 1834: 'npmr' => 'New posts cease to be identified as "NEW"?', 1835: 'dotm' => 'Option to mark each post as read/unread?', 1836: 'chgt' => 'Change to ', 1837: 'mkdf' => 'Set to ', 1838: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1839: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1840: ); 1841: 1842: my $dispchangeA = $lt{'unread'}; 1843: my $dispchangeB = $lt{'unmark'}; 1844: my $markchange = $lt{'ondisp'}; 1845: my $toggchange = $lt{'toggon'}; 1846: my $currdisp = $lt{'allposts'}; 1847: my $currmark = $lt{'onmark'}; 1848: my $discdisp = 'allposts'; 1849: my $discmark = 'onmark'; 1850: my $currtogg = $lt{'toggoff'}; 1851: my $disctogg = 'toggoff'; 1852: 1853: if ($dispchgA eq 'allposts') { 1854: $dispchangeA = $lt{'allposts'}; 1855: $currdisp = $lt{'unread'}; 1856: $discdisp = 'unread'; 1857: } 1858: 1859: if ($markchg eq 'markonread') { 1860: $markchange = $lt{'onmark'}; 1861: $currmark = $lt{'ondisp'}; 1862: $discmark = 'ondisp'; 1863: } 1864: 1865: if ($dispchgB eq 'onlyunread') { 1866: $dispchangeB = $lt{'unread'}; 1867: $currdisp = $lt{'unmark'}; 1868: $discdisp = 'unmark'; 1869: } 1870: if ($toggchg eq 'toggoff') { 1871: $toggchange = $lt{'toggoff'}; 1872: $currtogg = $lt{'toggon'}; 1873: $disctogg = 'toggon'; 1874: } 1875: 1876: my $js = <<END; 1877: <script type="text/javascript"> 1878: function discdispChk(caller) { 1879: var disctogg = '$toggchg' 1880: if (caller == 0) { 1881: if (document.modifydisp.discdisp[0].checked == true) { 1882: if (document.modifydisp.discdisp[1].checked == true) { 1883: document.modifydisp.discdisp[1].checked = false 1884: } 1885: } 1886: } 1887: if (caller == 1) { 1888: if (document.modifydisp.discdisp[1].checked == true) { 1889: if (document.modifydisp.discdisp[0].checked == true) { 1890: document.modifydisp.discdisp[0].checked = false 1891: } 1892: if (disctogg == 'toggon') { 1893: document.modifydisp.disctogg.checked = true 1894: } 1895: if (disctogg == 'toggoff') { 1896: document.modifydisp.disctogg.checked = false 1897: } 1898: } 1899: } 1900: if (caller == 2) { 1901: var dispchgB = '$dispchgB' 1902: if (disctogg == 'toggoff') { 1903: if (document.modifydisp.disctogg.checked == true) { 1904: if (dispchgB == 'onlyunmark') { 1905: document.modifydisp.discdisp[1].checked = false 1906: } 1907: } 1908: } 1909: } 1910: } 1911: 1912: function setDisp() { 1913: var prev = "$previous" 1914: var chktotal = 0 1915: if (document.modifydisp.discdisp[0].checked == true) { 1916: document.modifydisp.$dispchgA.value = "$symb" 1917: chktotal ++ 1918: } 1919: if (document.modifydisp.discdisp[1].checked == true) { 1920: document.modifydisp.$dispchgB.value = "$symb" 1921: chktotal ++ 1922: } 1923: if (document.modifydisp.discmark.checked == true) { 1924: document.modifydisp.$markchg.value = "$symb" 1925: chktotal ++ 1926: } 1927: if (document.modifydisp.disctogg.checked == true) { 1928: document.modifydisp.$toggchg.value = "$symb" 1929: chktotal ++ 1930: } 1931: if (chktotal > 0) { 1932: document.modifydisp.submit() 1933: } else { 1934: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1935: if (prev > 0) { 1936: location.href = "$feedurl?previous=$previous" 1937: } else { 1938: location.href = "$feedurl" 1939: } 1940: } 1941: } 1942: } 1943: </script> 1944: END 1945: 1946: 1947: my $start_page = 1948: &Apache::loncommon::start_page('Discussion display options',$js); 1949: my $end_page = 1950: &Apache::loncommon::end_page(); 1951: $r->print(<<END); 1952: $start_page 1953: <form name="modifydisp" method="post" action="/adm/feedback"> 1954: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1955: <br /> 1956: END 1957: $r->print(&Apache::loncommon::start_data_table()); 1958: $r->print(<<END); 1959: <tr> 1960: <th>$lt{'pref'}</td> 1961: <th>$lt{'curr'}</td> 1962: <th>$lt{'actn'}?</td> 1963: </tr> 1964: END 1965: $r->print(&Apache::loncommon::start_data_table_row()); 1966: $r->print(<<END); 1967: <td>$lt{'disa'}</td> 1968: <td>$lt{$discdisp}</td> 1969: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1970: <br /> 1971: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1972: </td> 1973: END 1974: $r->print(&Apache::loncommon::end_data_table_row()); 1975: $r->print(&Apache::loncommon::start_data_table_row()); 1976: $r->print(<<END); 1977: <td>$lt{'npmr'}</td> 1978: <td>$lt{$discmark}</td> 1979: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1980: END 1981: $r->print(&Apache::loncommon::end_data_table_row()); 1982: $r->print(&Apache::loncommon::start_data_table_row()); 1983: $r->print(<<END); 1984: <td>$lt{'dotm'}</td> 1985: <td>$lt{$disctogg}</td> 1986: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1987: END 1988: my $save = &mt('Save'); 1989: $r->print(&Apache::loncommon::end_data_table_row()); 1990: $r->print(&Apache::loncommon::end_data_table()); 1991: $r->print(<<END); 1992: <br /> 1993: <br /> 1994: <input type="hidden" name="symb" value="$symb" /> 1995: <input type="hidden" name="previous" value="$previous" /> 1996: <input type="hidden" name="$dispchgA" value="" /> 1997: <input type="hidden" name="$dispchgB" value="" /> 1998: <input type="hidden" name="$markchg" value="" /> 1999: <input type="hidden" name="$toggchg" value="" /> 2000: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2001: END 2002: if (exists($env{'form.group'})) { 2003: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2004: } 2005: if (exists($env{'form.ref'})) { 2006: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2007: } 2008: $r->print(" 2009: <br /> 2010: <br /> 2011: </form> 2012: $end_page 2013: "); 2014: return; 2015: } 2016: 2017: sub print_sortfilter_options { 2018: my ($r,$symb,$previous,$feedurl) = @_; 2019: 2020: &Apache::loncommon::content_type($r,'text/html'); 2021: $r->send_http_header; 2022: 2023: &Apache::lonenc::check_encrypt(\$symb); 2024: my @sections; 2025: my $section_sel = ''; 2026: my $numvisible = 5; 2027: my @groups; 2028: my $group_sel = ''; 2029: my $numgroupvis = 5; 2030: my %sectioncount = &Apache::loncommon::get_sections(); 2031: my @courseroles = qw(st ad ep ta in); 2032: my $crstype = &Apache::loncommon::course_type(); 2033: my $ccrole = 'cc'; 2034: if ($crstype eq 'Community') { 2035: $ccrole = 'co'; 2036: } 2037: push(@courseroles,$ccrole); 2038: 2039: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2040: @sections = ('all',$env{'request.course.sec'}); 2041: $numvisible = 2; 2042: } else { 2043: @sections = sort {$a cmp $b} keys(%sectioncount); 2044: if (scalar(@sections) < 4) { 2045: $numvisible = scalar(@sections) + 1; 2046: } 2047: unshift(@sections,'all'); # Put 'all' at the front of the list 2048: 2049: } 2050: foreach my $sec (@sections) { 2051: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2052: } 2053: 2054: if (&check_group_priv() eq 'ok') { 2055: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2056: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2057: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2058: @groups = sort {$a cmp $b} keys(%curr_groups); 2059: if (scalar(@groups) < 4) { 2060: $numgroupvis = scalar(@groups) + 1; 2061: } 2062: unshift(@groups,'all'); # Put 'all' at the front of the list 2063: } else { 2064: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2065: if (@coursegroups > 0) { 2066: @coursegroups = sort {$a cmp $b} @coursegroups; 2067: @groups = ('all',@coursegroups); 2068: if (scalar(@groups) < 4) { 2069: $numgroupvis = scalar(@groups) + 1; 2070: } 2071: } else { 2072: @groups = ('all'); 2073: $numgroupvis = 1; 2074: } 2075: } 2076: foreach my $group (@groups) { 2077: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2078: } 2079: 2080: my $function = &Apache::loncommon::get_users_function(); 2081: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2082: $env{'user.domain'}); 2083: my %lt = &Apache::lonlocal::texthash( 2084: 'diop' => 'Display Options', 2085: 'curr' => 'Current setting ', 2086: 'actn' => 'Action', 2087: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2088: 'soor' => 'Sort order', 2089: 'spur' => 'Specific user roles', 2090: 'sprs' => 'Specific role status', 2091: 'spse' => 'Specific sections', 2092: 'spgr' => 'Specific groups', 2093: 'psub' => 'Pick specific users (by name)', 2094: 'shal' => 'Show a list of current posters', 2095: 'stor' => 'Save changes', 2096: ); 2097: 2098: my %sort_types = (); 2099: my %role_types = (); 2100: my %status_types = (); 2101: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2102: 2103: my $js = <<END; 2104: <script type="text/javascript"> 2105: function verifyFilter() { 2106: var rolenum = 0 2107: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2108: if (document.modifyshown.rolefilter.options[i].selected == true) { 2109: rolenum ++ 2110: } 2111: } 2112: if (rolenum == 0) { 2113: document.modifyshown.rolefilter.options[0].selected = true 2114: } 2115: 2116: var secnum = 0 2117: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2118: if (document.modifyshown.sectionpick.options[i].selected == true) { 2119: secnum ++ 2120: } 2121: } 2122: if (secnum == 0) { 2123: document.modifyshown.sectionpick.options[0].selected = true 2124: } 2125: 2126: var grpnum = 0 2127: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2128: if (document.modifyshown.grouppick.options[i].selected == true) { 2129: grpnum ++ 2130: } 2131: } 2132: if (grpnum == 0) { 2133: document.modifyshown.grouppick.options[0].selected = true 2134: } 2135: 2136: document.modifyshown.submit(); 2137: } 2138: </script> 2139: END 2140: 2141: my $start_page= 2142: &Apache::loncommon::start_page('Discussion options',$js); 2143: my $end_page= 2144: &Apache::loncommon::end_page(); 2145: 2146: $r->print(<<END); 2147: $start_page 2148: <form name="modifyshown" method="post" action="/adm/feedback"> 2149: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2150: <br /><br /> 2151: <table border="0"> 2152: <tr> 2153: <th>$lt{'soor'}</th> 2154: <th> </th> 2155: <th>$lt{'sprs'}</th> 2156: <th> </th> 2157: <th>$lt{'spur'}</th> 2158: <th> </th> 2159: <th>$lt{'spse'}</th> 2160: <th> </th> 2161: <th>$lt{'spgr'}</th> 2162: <th> </th> 2163: <th>$lt{'psub'}</th> 2164: </tr> 2165: <tr> 2166: <td align="center" valign="top"> 2167: <select name="sortposts"> 2168: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2169: <option value="descdate">$sort_types{'descdate'}</option> 2170: <option value="thread">$sort_types{'thread'}</option> 2171: <option value="subject">$sort_types{'subject'}</option> 2172: <option value="username">$sort_types{'username'}</option> 2173: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2174: </select> 2175: </td> 2176: <td> </td> 2177: <td align="center" valign="top"> 2178: <select name="statusfilter"> 2179: <option value="all" selected="selected">$status_types{'all'}</option> 2180: <option value="Active">$status_types{'Active'}</option> 2181: <option value="Expired">$status_types{'Expired'}</option> 2182: <option value="Future">$status_types{'Future'}</option> 2183: </select> 2184: </td> 2185: <td> </td> 2186: <td align="center" valign="top"> 2187: <select name="rolefilter" multiple="multiple" size="5"> 2188: <option value="all">$role_types{'all'}</option> 2189: <option value="st">$role_types{'st'}</option> 2190: <option value="$ccrole">$role_types{$ccrole}</option> 2191: <option value="in">$role_types{'in'}</option> 2192: <option value="ta">$role_types{'ta'}</option> 2193: <option value="ep">$role_types{'ep'}</option> 2194: <option value="ad">$role_types{'ad'}</option> 2195: <option value="cr">$role_types{'cr'}</option> 2196: </select> 2197: </td> 2198: <td> </td> 2199: <td align="center" valign="top"> 2200: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2201: $section_sel 2202: </select> 2203: </td> 2204: <td> </td> 2205: <td align="center" valign="top"> 2206: <select name="grouppick" multiple="multiple" size="$numvisible"> 2207: $group_sel 2208: </select> 2209: </td> 2210: <td> </td> 2211: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2212: </tr> 2213: </table> 2214: <br /> 2215: <br /> 2216: <input type="hidden" name="previous" value="$previous" /> 2217: <input type="hidden" name="applysort" value="$symb" /> 2218: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2219: END 2220: if (exists($env{'form.group'})) { 2221: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2222: } 2223: if (exists($env{'form.ref'})) { 2224: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2225: } 2226: $r->print(" 2227: <br /> 2228: <br /> 2229: </form> 2230: $end_page 2231: "); 2232: } 2233: 2234: sub print_showposters { 2235: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2236: 2237: &Apache::loncommon::content_type($r,'text/html'); 2238: $r->send_http_header; 2239: 2240: &Apache::lonenc::check_encrypt(\$symb); 2241: my $crs='/'.$env{'request.course.id'}; 2242: if ($env{'request.course.sec'}) { 2243: $crs.='_'.$env{'request.course.sec'}; 2244: } 2245: $crs=~s/\_/\//g; 2246: my $seeid; 2247: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2248: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2249: my $group = $env{'form.group'}; 2250: my $ressymb = &wrap_symb($symb); 2251: if (($group ne '') && 2252: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2253: if (&check_group_priv($group,'dgp') eq 'ok') { 2254: $seeid = 1; 2255: } 2256: } else { 2257: $seeid=&Apache::lonnet::allowed('rin',$crs); 2258: } 2259: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2260: $cdom,$cnum); 2261: my %namesort = (); 2262: my %postcounts = (); 2263: 2264: my %lt = &Apache::lonlocal::texthash( 2265: sele => 'Select', 2266: full => 'Fullname', 2267: usdo => 'Username:domain', 2268: post => 'Posts', 2269: ); 2270: if ($contrib{'version'}) { 2271: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2272: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2273: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2274: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2275: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2276: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2277: my $lastname = $names{'lastname'}; 2278: my $firstname = $names{'firstname'}; 2279: if ($lastname eq '') { 2280: $lastname = '_'; 2281: } 2282: if ($firstname eq '') { 2283: $firstname = '_'; 2284: } 2285: unless (defined($namesort{$lastname})) { 2286: %{$namesort{$lastname}} = (); 2287: } 2288: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2289: $postcounts{$poster} ++; 2290: if (defined($namesort{$lastname}{$firstname})) { 2291: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2292: push(@{$namesort{$lastname}{$firstname}}, $poster); 2293: } 2294: } else { 2295: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2296: } 2297: } 2298: } 2299: } 2300: } 2301: 2302: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2303: my $table_start =&Apache::loncommon::start_data_table(); 2304: $r->print(<<END); 2305: $start_page 2306: <form name="pickpostersform" method="post"> 2307: <br /> 2308: $table_start 2309: <tr> 2310: <th>#</th> 2311: <th>$lt{'sele'}</th> 2312: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2313: <th>$lt{'post'}</th> 2314: </tr> 2315: END 2316: my $count = 0; 2317: foreach my $last (sort(keys(%namesort))) { 2318: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2319: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2320: my ($uname,$udom) = split(/:/,$user); 2321: if (!$uname || !$udom) { 2322: next; 2323: } else { 2324: $count ++; 2325: $r->print(&Apache::loncommon::start_data_table_row(). 2326: '<td align="right">'.$count.'</td> 2327: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2328: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2329: <td>'.$postcounts{$user}.'</td>'. 2330: &Apache::loncommon::end_data_table_row()); 2331: } 2332: } 2333: } 2334: } 2335: $r->print(&Apache::loncommon::end_data_table()); 2336: my $end_page = &Apache::loncommon::end_page(); 2337: $r->print(<<END); 2338: <br /> 2339: <input type="hidden" name="sortposts" value="$sortposts" /> 2340: <input type="hidden" name="userpick" value="$symb" /> 2341: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2342: </form> 2343: $end_page 2344: END 2345: } 2346: 2347: sub get_post_versions { 2348: my ($versions,$incoming,$htmldecode,$numver) = @_; 2349: if ($incoming =~ /^<version num="0">/) { 2350: my $p = HTML::LCParser->new(\$incoming); 2351: my $done = 0; 2352: 2353: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2354: my $num = $token->[1]{num}; 2355: my $text = $p->get_text("/version"); 2356: if (defined($numver)) { 2357: if ($num == $numver) { 2358: if ($htmldecode) { 2359: $text = &HTML::Entities::decode($text); 2360: } 2361: $$versions{$numver}=$text; 2362: $done = 1; 2363: } 2364: } else { 2365: if ($htmldecode) { 2366: $text = &HTML::Entities::decode($text); 2367: } 2368: $$versions{$num}=$text; 2369: } 2370: } 2371: } else { 2372: if (!defined($numver)) { 2373: $numver = 0; 2374: } 2375: if ($htmldecode) { 2376: $$versions{$numver} = $incoming; 2377: } else { 2378: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2379: } 2380: } 2381: return; 2382: } 2383: 2384: sub get_post_attachments { 2385: my ($attachments,$attachmenturls) = @_; 2386: my $num; 2387: if ($attachmenturls =~ m/^<attachment id="0">/) { 2388: my $p = HTML::LCParser->new(\$attachmenturls); 2389: while (my $token = $p->get_tag("attachment","filename","post")) { 2390: if ($token->[0] eq "attachment") { 2391: $num = $token->[1]{id}; 2392: %{$$attachments{$num}} =(); 2393: } elsif ($token->[0] eq "filename") { 2394: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2395: } elsif ($token->[0] eq "post") { 2396: my $id = $token->[1]{id}; 2397: $$attachments{$num}{$id} = $p->get_text("/post"); 2398: } 2399: } 2400: } else { 2401: %{$$attachments{'0'}} = (); 2402: $$attachments{'0'}{'filename'} = $attachmenturls; 2403: $$attachments{'0'}{'0'} = 'n'; 2404: } 2405: 2406: return; 2407: } 2408: 2409: sub fail_redirect { 2410: my ($r,$feedurl) = @_; 2411: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2412: my %lt = &Apache::lonlocal::texthash( 2413: 'sorr' => 'Sorry, no recipients ...', 2414: ); 2415: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2416: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2417: {'redirect' => [2,$feedurl], 2418: 'only_body' => 1,})); 2419: $r->print(<<ENDFAILREDIR); 2420: <img align="right" src="$logo" /> 2421: <b>$lt{'sorr'}</b> 2422: ENDFAILREDIR 2423: $r->print(&Apache::loncommon::end_page()); 2424: } 2425: 2426: sub redirect_back { 2427: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2428: my $sorttag = ''; 2429: my $roletag = ''; 2430: my $statustag = ''; 2431: my $sectag = ''; 2432: my $grptag = ''; 2433: my $userpicktag = ''; 2434: my $qrystr = ''; 2435: my $prevtag = ''; 2436: 2437: &Apache::loncommon::content_type($r,'text/html'); 2438: $r->send_http_header; 2439: &dewrapper(\$feedurl); 2440: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2441: if ($previous > 0) { 2442: $qrystr = 'previous='.$previous; 2443: if ($feedurl =~ /\?register=1/) { 2444: $feedurl .= '&'.$qrystr; 2445: } else { 2446: $feedurl .= '?'.$qrystr; 2447: } 2448: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2449: } 2450: if (defined($sort)) { 2451: my $sortqry = 'sortposts='.$sort; 2452: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2453: $feedurl .= '&'.$sortqry; 2454: } else { 2455: $feedurl .= '?'.$sortqry; 2456: } 2457: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2458: if (defined($numpicks)) { 2459: my $userpickqry = 'totposters='.$numpicks; 2460: $feedurl .= '&'.$userpickqry; 2461: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2462: } else { 2463: if (ref($sectionpick) eq 'ARRAY') { 2464: $feedurl .= '&sectionpick='; 2465: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2466: foreach my $sec (@{$sectionpick}) { 2467: $feedurl .= $sec.','; 2468: $sectag .= $sec.','; 2469: } 2470: $feedurl =~ s/,$//; 2471: $sectag =~ s/,$//; 2472: $sectag .= '" />'; 2473: } else { 2474: $feedurl .= '&sectionpick='.$sectionpick; 2475: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2476: } 2477: if (ref($grouppick) eq 'ARRAY') { 2478: $feedurl .= '&grouppick='; 2479: $sectag .= '<input type="hidden" name="grouppick" value="'; 2480: foreach my $grp (@{$grouppick}) { 2481: $feedurl .= $grp.','; 2482: $grptag .= $grp.','; 2483: } 2484: $feedurl =~ s/,$//; 2485: $grptag =~ s/,$//; 2486: $grptag .= '" />'; 2487: } else { 2488: $feedurl .= '&grouppick='.$grouppick; 2489: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2490: } 2491: if (ref($rolefilter) eq 'ARRAY') { 2492: $feedurl .= '&rolefilter='; 2493: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2494: foreach my $role (@{$rolefilter}) { 2495: $feedurl .= $role.','; 2496: $roletag .= $role.','; 2497: } 2498: $feedurl =~ s/,$//; 2499: $roletag =~ s/,$//; 2500: $roletag .= '" />'; 2501: } else { 2502: $feedurl .= '&rolefilter='.$rolefilter; 2503: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2504: } 2505: $feedurl .= '&statusfilter='.$statusfilter; 2506: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2507: } 2508: } 2509: my $grouptag; 2510: if ($group ne '') { 2511: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2512: my $refarg; 2513: if (exists($env{'form.ref'})) { 2514: $refarg = '&ref='.$env{'form.ref'}; 2515: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2516: } 2517: if ($feedurl =~ /\?/) { 2518: $feedurl .= '&group='.$group.$refarg; 2519: } else { 2520: $feedurl .= '?group='.$group.$refarg; 2521: } 2522: } 2523: &Apache::lonenc::check_encrypt(\$feedurl); 2524: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2525: my %onload; 2526: my $start_page= 2527: &Apache::loncommon::start_page('Feedback sent',undef, 2528: {'redirect' => [0,$feedurl], 2529: 'only_body' => 1, 2530: 'add_entries' => \%onload}); 2531: my $end_page = &Apache::loncommon::end_page(); 2532: $r->print(<<ENDREDIR); 2533: $start_page 2534: <img align="right" src="$logo" /> 2535: $typestyle 2536: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2537: $blog 2538: $toolarge 2539: <font color="red">$status</font> 2540: <form name="reldt" action="$feedurl" target="loncapaclient"> 2541: $prevtag 2542: $sorttag 2543: $statustag 2544: $roletag 2545: $sectag 2546: $grptag 2547: $userpicktag 2548: $grouptag 2549: </form> 2550: $end_page 2551: ENDREDIR 2552: } 2553: 2554: sub no_redirect_back { 2555: my ($r,$feedurl) = @_; 2556: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2557: 2558: my %onload; 2559: 2560: my %body_options = ('only_body' => 1, 2561: 'bgcolor' => '#FFFFFF', 2562: 'add_entries' => \%onload,); 2563: 2564: if ($feedurl !~ m{^/adm/feedback}) { 2565: $body_options{'rediect'} = [2,$feedurl]; 2566: } 2567: my $start_page= 2568: &Apache::loncommon::start_page('Feedback not sent',undef, 2569: \%body_options); 2570: 2571: my $end_page = &Apache::loncommon::end_page(); 2572: 2573: &Apache::lonenc::check_encrypt(\$feedurl); 2574: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2575: $r->print (<<ENDNOREDIRTWO); 2576: $start_page 2577: <img align="right" src="$logo" /> 2578: <b>$nofeed</b> 2579: <br /> 2580: $end_page 2581: ENDNOREDIRTWO 2582: } 2583: 2584: sub screen_header { 2585: my ($feedurl,$symb) = @_; 2586: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2587: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2588: my $contribdisc = &mt('Contribution to course discussion of resource'); 2589: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2590: my $namevis = &mt('name only visible to course faculty'); 2591: my $crstype; 2592: if ($env{'request.course.id'}) { 2593: $crstype = &Apache::loncommon::course_type(); 2594: if ($crstype eq 'Community') { 2595: $crscontent = &mt('Question/Comment/Feedback about community content'); 2596: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2597: $contribdisc = &mt('Contribution to community discussion of resource'); 2598: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2599: $namevis = &mt('name only visible to community facilitators'); 2600: } 2601: } 2602: my $msgoptions=''; 2603: my $discussoptions=''; 2604: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2605: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2606: $msgoptions= 2607: '<p><label><input type="radio" name="discuss" value="author" /> '. 2608: &mt('Feedback to resource author').'</label></p>'; 2609: } 2610: my %optionhash=(); 2611: foreach my $type ('question','comment','policy') { 2612: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2613: } 2614: if (&feedback_available(1)) { 2615: $msgoptions.= 2616: '<p><label><input type="radio" name="discuss" value="question" /> '. 2617: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2618: } 2619: if (&feedback_available(0,1)) { 2620: $msgoptions.= 2621: '<p><label><input type="radio" name="discuss" value="course" /> '. 2622: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2623: '</label></p>'; 2624: } 2625: if (&feedback_available(0,0,1)) { 2626: $msgoptions.= 2627: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2628: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2629: '</label></p>'; 2630: } 2631: } 2632: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2633: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2634: if (!$blocked && &discussion_open(undef,$symb) && 2635: &Apache::lonnet::allowed('pch', 2636: $env{'request.course.id'}. 2637: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2638: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2639: $contribdisc. 2640: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2641: $anoncontrib. 2642: ' <i>('.$namevis.')</i></label> '. 2643: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2644: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2645: if (!$blockblog) { 2646: $discussoptions.= &add_blog_checkbox($crstype); 2647: } 2648: } 2649: } 2650: if ($msgoptions) { 2651: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2652: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2653: .$msgoptions; 2654: } 2655: if ($discussoptions) { 2656: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2657: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2658: .$discussoptions; 2659: } 2660: return $msgoptions.$discussoptions; 2661: } 2662: 2663: sub resource_output { 2664: my ($feedurl) = @_; 2665: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2666: $usersaw=~s/\<body[^\>]*\>//gi; 2667: $usersaw=~s/\<\/body\>//gi; 2668: $usersaw=~s/\<html\>//gi; 2669: $usersaw=~s/\<\/html\>//gi; 2670: $usersaw=~s/\<head\>//gi; 2671: $usersaw=~s/\<\/head\>//gi; 2672: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2673: return $usersaw; 2674: } 2675: 2676: sub clear_out_html { 2677: my ($message,$override,$ignore_htmlarea)=@_; 2678: if (!$ignore_htmlarea 2679: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2680: # Always allow the <m>-tag 2681: my %html=(M=>1); 2682: # Check if more is allowed 2683: my $cid=$env{'request.course.id'}; 2684: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2685: ($override)) { 2686: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2687: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2688: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2689: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2690: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2691: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2692: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2693: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2694: } 2695: # Do the substitution of everything that is not explicitly allowed 2696: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2697: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2698: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2699: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2700: return $message; 2701: } 2702: 2703: sub assemble_email { 2704: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2705: my %lt = &Apache::lonlocal::texthash( 2706: 'prev' => 'Previous attempts of student (if applicable)', 2707: 'orig' => 'Original screen output (if applicable)', 2708: 'corr' => 'Correct Answer(s) (if applicable)', 2709: ); 2710: if (&Apache::loncommon::course_type() eq 'Community') { 2711: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2712: } 2713: my $email=<<"ENDEMAIL"; 2714: $message 2715: ENDEMAIL 2716: my $citations=<<"ENDCITE"; 2717: <h2>$lt{'prev'}</h2> 2718: $prevattempts 2719: <br /><hr /> 2720: <h2>$lt{'orig'}</h2> 2721: $usersaw 2722: <h2>$lt{'corr'}</h2> 2723: $useranswer 2724: ENDCITE 2725: return ($email,$citations); 2726: } 2727: 2728: 2729: sub feedback_available { 2730: my ($question,$course,$policy)=@_; 2731: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2732: $course,$policy); 2733: return scalar(%to); 2734: } 2735: 2736: sub send_msg { 2737: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2738: my $status=''; 2739: my $sendsomething=0; 2740: my $restitle = &get_resource_title($symb,$feedurl); 2741: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2742: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2743: foreach my $key (keys(%to)) { 2744: if ($key) { 2745: my ($user,$domain) = split(/\:/,$key,2); 2746: if (!defined($user)) { 2747: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2748: } elsif (!defined($domain)) { 2749: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2750: } else { 2751: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2752: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2753: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2754: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2755: } else { 2756: $sendsomething++; 2757: } 2758: } 2759: } 2760: } 2761: 2762: 2763: my %record=&Apache::lonnet::restore('_feedback'); 2764: my ($temp)=keys(%record); 2765: unless ($temp=~/^error\:/) { 2766: my %newrecord=(); 2767: $newrecord{'resource'}=$feedurl; 2768: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2769: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2770: $status.='<br />'.&mt('Not registered').'<br />'; 2771: } 2772: } 2773: 2774: return ($status,$sendsomething); 2775: } 2776: 2777: sub adddiscuss { 2778: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2779: my $status=''; 2780: my $realsymb; 2781: if ($symb=~/^bulletin___/) { 2782: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2783: $filename=~s|^adm/wrapper/||; 2784: $realsymb=&Apache::lonnet::symbread($filename); 2785: } 2786: if (&discussion_open(undef,$realsymb) && 2787: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2788: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2789: 2790: my %contrib=('message' => $email, 2791: 'sendername' => $env{'user.name'}, 2792: 'senderdomain' => $env{'user.domain'}, 2793: 'screenname' => $env{'environment.screenname'}, 2794: 'plainname' => $env{'environment.firstname'}.' '. 2795: $env{'environment.middlename'}.' '. 2796: $env{'environment.lastname'}.' '. 2797: $env{'enrironment.generation'}, 2798: 'attachmenturl'=> $attachmenturl, 2799: 'subject' => $subject); 2800: if ($env{'form.replydisc'}) { 2801: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2802: } 2803: if ($anon) { 2804: $contrib{'anonymous'}='true'; 2805: } 2806: if (($symb) && ($email)) { 2807: my $now = time; 2808: if ($env{'form.editdisc'}) { 2809: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2810: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2811: $contrib{'timestamp'} = $now; 2812: $contrib{'history'} = ''; 2813: my $numoldver = 0; 2814: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2815: &Apache::lonenc::check_decrypt(\$oldsymb); 2816: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2817: # get timestamp for last post and history 2818: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2819: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2820: $env{'course.'.$env{'request.course.id'}.'.num'}); 2821: if (defined($oldcontrib{$oldidx.':replyto'})) { 2822: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2823: } 2824: if (defined($oldcontrib{$oldidx.':history'})) { 2825: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2826: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2827: $numoldver = @oldversions; 2828: } else { 2829: $numoldver = 1; 2830: } 2831: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2832: } 2833: my $numnewver = $numoldver + 1; 2834: if (defined($oldcontrib{$oldidx.':subject'})) { 2835: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2836: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2837: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2838: } else { 2839: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2840: } 2841: } 2842: if (defined($oldcontrib{$oldidx.':message'})) { 2843: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2844: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2845: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2846: } else { 2847: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2848: } 2849: } 2850: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2851: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2852: $oldsymb,$oldidx,\%contrib, 2853: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2854: $env{'course.'.$env{'request.course.id'}.'.num'}); 2855: $status='Editing class discussion'.($anon?' (anonymous)':''); 2856: } else { 2857: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2858: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2859: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2860: $env{'course.'.$env{'request.course.id'}.'.num'}); 2861: } 2862: my %storenewentry=($symb => $now); 2863: $status.='<br />'.&mt('Updating discussion time').': '. 2864: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2865: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2866: $env{'course.'.$env{'request.course.id'}.'.num'}); 2867: } 2868: my %record=&Apache::lonnet::restore('_discussion'); 2869: my ($temp)=keys(%record); 2870: unless ($temp=~/^error\:/) { 2871: my %newrecord=(); 2872: $newrecord{'resource'}=$symb; 2873: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2874: $status.='<br />'.&mt('Registering').': '. 2875: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2876: } 2877: } else { 2878: $status.='Failed.'; 2879: } 2880: return $status.'<br />'; 2881: } 2882: 2883: sub get_discussion_info { 2884: my ($idx,%contrib) = @_; 2885: my $changelast = 0; 2886: my $count = 0; 2887: my $hiddenflag = 0; 2888: my $deletedflag = 0; 2889: my ($hidden,$deleted,%info,$newlastdisc); 2890: my $version = $contrib{'version'}; 2891: if ($version) { 2892: for (my $id=$version; $id>0; $id--) { 2893: my $vkeys=$contrib{$id.':keys'}; 2894: my @keys=split(/:/,$vkeys); 2895: if (grep(/^hidden$/,@keys)) { 2896: if (!$hiddenflag) { 2897: $hidden = $contrib{$id.':hidden'}; 2898: $hiddenflag = 1; 2899: } 2900: } elsif (grep(/^deleted$/,@keys)) { 2901: if (!$deletedflag) { 2902: $deleted = $contrib{$id.':deleted'}; 2903: $deletedflag = 1; 2904: } 2905: } else { 2906: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2907: $count++; 2908: $info{$count}{'id'} = $id; 2909: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2910: } 2911: } 2912: } 2913: if ($info{'1'}{'id'} == $idx) { 2914: $changelast = 1; 2915: if ($count > 1) { 2916: $newlastdisc = $info{'2'}{'timestamp'}; 2917: } else { 2918: $newlastdisc = 0; 2919: } 2920: } 2921: } 2922: return ($changelast,$newlastdisc); 2923: } 2924: 2925: # ----------------------------------------------------------- Preview function 2926: 2927: sub show_preview { 2928: my ($r) = @_; 2929: &Apache::loncommon::content_type($r,'text/html'); 2930: $r->send_http_header; 2931: my $start_page= 2932: &Apache::loncommon::start_page('Preview',undef, 2933: {'only_body' => 1,}); 2934: 2935: my $message=&clear_out_html($env{'form.comment'}); 2936: &newline_to_br(\$message); 2937: $message=&Apache::lonspeller::markeduptext($message); 2938: $message=&Apache::lontexconvert::msgtexconverted($message); 2939: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2940: $subject=~s/\n/\<br \/\>/g; 2941: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2942: 2943: my $end_page = &Apache::loncommon::end_page(); 2944: 2945: $r->print($start_page 2946: .'<h1>'.&mt('Preview').'</h1>' 2947: .&Apache::lonhtmlcommon::start_pick_box() 2948: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2949: .$subject 2950: .&Apache::lonhtmlcommon::row_closure() 2951: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2952: .$message 2953: .&Apache::lonhtmlcommon::row_closure(1) 2954: .&Apache::lonhtmlcommon::end_pick_box() 2955: .$end_page 2956: ); 2957: } 2958: 2959: sub contains_block_html { 2960: my ($message)=@_; 2961: return ($message =~ m{ 2962: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 2963: \s* 2964: (\w+\=['"]\w+['"])* 2965: \s* 2966: ( 2967: \s*/>| 2968: >.*</\1\s*> 2969: )}xs 2970: ); 2971: } 2972: 2973: sub tidy_html { 2974: my ($message)=@_; 2975: # my $tidy = HTML::Tidy::libXML->new(); 2976: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 2977: # $xhtml =~ m/<body>(.*)<\/body>/is; 2978: # my $clean = $1; 2979: # # remove any empty block-level tags 2980: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 2981: # $message=$clean; 2982: return $message; 2983: } 2984: 2985: sub newline_to_br { 2986: my ($message)=@_; 2987: my $newmessage; 2988: my $parser=HTML::LCParser->new($message); 2989: while (my $token=$parser->get_token()) { 2990: if ($token->[0] eq 'T') { 2991: my $text=$token->[1]; 2992: $text=~s/\n/\<br \/\>/g; 2993: $newmessage.=$text; 2994: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2995: $newmessage.=$token->[1]; 2996: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2997: $newmessage.=$token->[2]; 2998: } elsif ($token->[0] eq 'S') { 2999: $newmessage.=$token->[4]; 3000: } 3001: 3002: } 3003: $$message=$newmessage; 3004: } 3005: 3006: sub generate_preview_button { 3007: my ($formname,$fieldname)=@_; 3008: unless ($formname) { $formname='mailform'; } 3009: unless ($fieldname) { $fieldname='comment'; } 3010: my $pre=&mt("Show Preview and Check Spelling"); 3011: return(<<ENDPREVIEW); 3012: <br /> 3013: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3014: <input type="hidden" name="subject" /> 3015: <input type="hidden" name="comment" /> 3016: <input type="button" value="$pre" 3017: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3018: </form> 3019: ENDPREVIEW 3020: } 3021: 3022: sub modify_attachments { 3023: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3024: $attachmaxtext,$toolarge)=@_; 3025: 3026: my %lt = &Apache::lonlocal::texthash( 3027: 'subj' => 'Subject', 3028: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3029: 'chth' => 'Check the checkboxes for any you wish to remove.', 3030: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3031: 'adda' => 'Add a new attachment to this post.', 3032: 'stch' => 'Save Changes', 3033: ); 3034: my $js = <<END; 3035: <script type="text/javascript"> 3036: function setAction () { 3037: document.modattachments.action = document.modattachments.origpage.value; 3038: document.modattachments.submit(); 3039: } 3040: </script> 3041: END 3042: 3043: # Breadcrumbs 3044: my $brcrum = [{'href' => '', 3045: 'text' => 'Discussion Post Attachments'}]; 3046: my $start_page = 3047: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3048: {'bread_crumbs' => $brcrum,}); 3049: 3050: my $orig_subject = &unescape($env{'form.subject'}); 3051: my $subject=&clear_out_html($orig_subject,undef,1); 3052: $subject=~s/\n/\<br \/\>/g; 3053: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3054: my $timestamp=$env{'form.timestamp'}; 3055: my $numoldver=$env{'form.numoldver'}; 3056: 3057: my $msg = ''; 3058: my %attachments = (); 3059: my %currattach = (); 3060: if ($idx) { 3061: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3062: } 3063: &Apache::lonenc::check_encrypt(\$symb); 3064: 3065: my $end_page = 3066: &Apache::loncommon::end_page(); 3067: 3068: $r->print(<<END); 3069: $start_page 3070: $toolarge 3071: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3072: <br /> 3073: <table class="LC_data_table"> 3074: <tr> 3075: <td colspan="2"> 3076: <b>Subject:</b> <b>$subject</b><br /><br /> 3077: END 3078: if ($idx) { 3079: if ($attachmenturls) { 3080: my @currold = keys(%currattach); 3081: if (@currold > 0) { 3082: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3083: foreach my $id (@currold) { 3084: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3085: $attachurl =~ m#/([^/]+)$#; 3086: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3087: } 3088: $r->print("<br />"); 3089: } 3090: } 3091: } 3092: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3093: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3094: foreach my $attach (@{$currnewattach}) { 3095: $attach =~ m#/([^/]+)$#; 3096: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3097: } 3098: $r->print("<br />"); 3099: } 3100: $r->print(<<END); 3101: </td></tr> 3102: <tr> 3103: <td> 3104: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3105: </td> 3106: </tr> 3107: <tr> 3108: <td colspan="2">$attachmaxtext</td> 3109: </tr> 3110: </table> 3111: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3112: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3113: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3114: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3115: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3116: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3117: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3118: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3119: END 3120: foreach my $item (@{$currnewattach}) { 3121: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3122: } 3123: foreach my $item (@{$currdelold}) { 3124: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3125: } 3126: $r->print(<<END); 3127: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3128: </form> 3129: $end_page 3130: END 3131: return; 3132: } 3133: 3134: sub process_attachments { 3135: my ($currnewattach,$currdelold,$keepold) = @_; 3136: 3137: @{$currnewattach}= 3138: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3139: @{$currdelold}= 3140: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3141: if (exists($env{'form.delnewattach'})) { 3142: my @currdelnew = 3143: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3144: my @currnew = (); 3145: foreach my $newone (@{$currnewattach}) { 3146: my $delflag = 0; 3147: foreach my $item (@currdelnew) { 3148: if ($newone eq $item) { 3149: $delflag = 1; 3150: last; 3151: } 3152: } 3153: unless ($delflag) { 3154: push(@currnew, $newone); 3155: } 3156: } 3157: @{$currnewattach} = @currnew; 3158: } 3159: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3160: } 3161: 3162: sub generate_attachments_button { 3163: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3164: $numoldver,$mode,$blockblog) = @_; 3165: my $origpage = $ENV{'REQUEST_URI'}; 3166: my $att=$attachnum.' '.&mt("attachments"); 3167: my %lt = &Apache::lonlocal::texthash( 3168: 'clic' => 'Click to add/remove attachments', 3169: ); 3170: my $response = (<<END); 3171: <br /> 3172: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3173: $lt{'clic'}: <input type="button" value="$att" 3174: 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); 3175: END 3176: if (!$blockblog) { 3177: $response .= 'setblogvalue();'; 3178: } 3179: unless ($mode eq 'board') { 3180: $response .= 'javascript:anonchk();'; 3181: } 3182: $response .= (<<ENDATTACH); 3183: this.form.submit();" /> 3184: <input type="hidden" name="origpage" value="$origpage" /> 3185: <input type="hidden" name="idx" value="$idx" /> 3186: <input type="hidden" name="timestamp" value="$now" /> 3187: <input type="hidden" name="subject" /> 3188: <input type="hidden" name="comment" /> 3189: <input type="hidden" name="blog" value="0" /> 3190: <input type="hidden" name="discuss" value="0" /> 3191: <input type="hidden" name="numoldver" value="$numoldver" /> 3192: ENDATTACH 3193: if (defined($deloldattach)) { 3194: if (@{$deloldattach} > 0) { 3195: foreach my $delatt (@{$deloldattach}) { 3196: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3197: } 3198: } 3199: } 3200: if (defined($currnewattach)) { 3201: if (@{$currnewattach} > 0) { 3202: foreach my $attach (@{$currnewattach}) { 3203: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3204: } 3205: } 3206: } 3207: $response .= '</form>'; 3208: return $response; 3209: } 3210: 3211: sub extract_attachments { 3212: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3213: %{$attachments}=(); 3214: &get_post_attachments($attachments,$attachmenturls); 3215: foreach my $id (sort(keys(%{$attachments}))) { 3216: if (exists($$attachments{$id}{$numoldver})) { 3217: if (defined($currdelold)) { 3218: if (@{$currdelold} > 0) { 3219: unless (grep/^$id$/,@{$currdelold}) { 3220: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3221: } 3222: } else { 3223: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3224: } 3225: } else { 3226: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3227: } 3228: } 3229: } 3230: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3231: if (@attached == 1) { 3232: my $id = $attached[0]; 3233: my $attachurl; 3234: if ($attachmenturls =~ m/^<attachment id="0">/) { 3235: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3236: } else { 3237: $attachurl = $$attachments{$id}{'filename'}; 3238: } 3239: $attachurl=~m|/([^/]+)$|; 3240: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3241: $1.'</tt></a><br />'; 3242: &Apache::lonnet::allowuploaded('/adm/feedback', 3243: $attachurl); 3244: } elsif (@attached > 1) { 3245: $$message.='<ol>'; 3246: foreach my $attach (@attached) { 3247: my $id = $attach; 3248: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3249: my ($fname) 3250: =($attachurl=~m|/([^/]+)$|); 3251: $$message .= '<li><a href="'.$attachurl. 3252: '"><tt>'. 3253: $fname.'</tt></a></li>'; 3254: &Apache::lonnet::allowuploaded('/adm/feedback', 3255: $attachurl); 3256: } 3257: $$message .= '</ol>'; 3258: } 3259: } 3260: 3261: sub construct_attachmenturl { 3262: my ($currnewattach,$keepold,$symb,$idx)=@_; 3263: my $oldattachmenturl; 3264: my $newattachmenturl; 3265: my $startnum = 0; 3266: my $currver = 0; 3267: if (($env{'form.editdisc'}) && ($idx)) { 3268: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3269: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3270: $env{'course.'.$env{'request.course.id'}.'.num'}); 3271: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3272: if ($contrib{$idx.':history'}) { 3273: if ($contrib{$idx.':history'} =~ /:/) { 3274: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3275: $currver = 1 + scalar(@oldversions); 3276: } else { 3277: $currver = 2; 3278: } 3279: } else { 3280: $currver = 1; 3281: } 3282: if ($oldattachmenturl) { 3283: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3284: my %attachments = (); 3285: my $prevver = $currver-1; 3286: &get_post_attachments(\%attachments,$oldattachmenturl); 3287: my $numattach = scalar(keys(%attachments)); 3288: $startnum += $numattach; 3289: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3290: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3291: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3292: unless ($item eq 'filename') { 3293: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3294: } 3295: } 3296: if (grep/^$num$/,@{$keepold}) { 3297: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3298: } 3299: $newattachmenturl .= '</attachment>'; 3300: } 3301: } else { 3302: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3303: unless (grep/^0$/,@{$keepold}) { 3304: $newattachmenturl .= '<post id="1">n</post>'; 3305: } 3306: $newattachmenturl .= '</attachment>'; 3307: $startnum ++; 3308: } 3309: } 3310: } 3311: for (my $i=0; $i<@{$currnewattach}; $i++) { 3312: my $attachnum = $startnum + $i; 3313: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3314: } 3315: return $newattachmenturl; 3316: } 3317: 3318: sub add_blog_checkbox { 3319: my ($crstype) = @_; 3320: my $checkstatus; 3321: if ($env{'form.blog'}) { 3322: $checkstatus = 'checked="checked"'; 3323: } 3324: my $output = ' 3325: <script type="text/javascript"> 3326: function setblogvalue() { 3327: if (document.mailform.blog.checked) { 3328: document.attachment.blog.value = 1; 3329: } else { 3330: document.attachment.blog.value = 0; 3331: } 3332: } 3333: </script><br /> 3334: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3335: if ($crstype eq 'Community') { 3336: $output .= &mt('Add to my public community blog'); 3337: } else { 3338: $output .= &mt('Add to my public course blog'); 3339: } 3340: $output .= '</label><br />'."\n"; 3341: return $output; 3342: } 3343: 3344: sub has_discussion { 3345: my $resourcesref = shift; 3346: my $navmap = Apache::lonnavmaps::navmap->new(); 3347: if (defined($navmap)) { 3348: my @allres=$navmap->retrieveResources(); 3349: foreach my $resource (@allres) { 3350: if ($resource->hasDiscussion()) { 3351: my $ressymb = $resource->wrap_symb(); 3352: if (ref($resourcesref) eq 'ARRAY') { 3353: push(@{$resourcesref}, $ressymb); 3354: } 3355: } 3356: } 3357: } else { 3358: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3359: } 3360: return; 3361: } 3362: 3363: sub sort_filter_names { 3364: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3365: if (ref($sort_types) eq 'HASH') { 3366: %{$sort_types} = ( 3367: ascdate => 'Date order - oldest first', 3368: descdate => 'Date order - newest first', 3369: thread => 'Threaded', 3370: subject => 'By subject', 3371: username => 'By domain and username', 3372: lastfirst => 'By last name, first name' 3373: ); 3374: } 3375: my @courseroles = qw(st in ta ep ad); 3376: if ($crstype eq 'Community') { 3377: push(@courseroles,'co'); 3378: } else { 3379: push(@courseroles,'cc'); 3380: } 3381: if (ref($role_types) eq 'HASH') { 3382: foreach my $role (@courseroles) { 3383: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3384: } 3385: $role_types->{'all'} = 'All roles'; 3386: $role_types->{'cr'} = 'Custom role'; 3387: } 3388: if (ref($status_types) eq 'HASH') { 3389: %{$status_types} = ( 3390: all => 'Roles of any status', 3391: Active => 'Only active roles', 3392: Expired => 'Only past roles', 3393: Future => 'Only future roles', 3394: ); 3395: } 3396: } 3397: 3398: sub handler { 3399: my $r = shift; 3400: if ($r->header_only) { 3401: &Apache::loncommon::content_type($r,'text/html'); 3402: $r->send_http_header; 3403: return OK; 3404: } 3405: 3406: # --------------------------- Get query string for limited number of parameters 3407: 3408: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3409: ['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']); 3410: my $group = $env{'form.group'}; 3411: my %attachmax = ( 3412: text => &mt('(128 KB max size)'), 3413: num => 131072, 3414: ); 3415: if ($env{'form.editdisc'}) { 3416: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3417: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3418: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3419: my $feedurl=&Apache::lonnet::clutter($url); 3420: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3421: undef,undef,undef,$group); 3422: return OK; 3423: } 3424: } 3425: if ($env{'form.discsymb'}) { 3426: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3427: my $readkey = $symb.'_read'; 3428: my $chgcount = 0; 3429: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3430: foreach my $key (keys(%env)) { 3431: if ($key =~ m/^form\.postunread_(\d+)/) { 3432: if ($readinghash{$readkey} =~ /\.$1\./) { 3433: $readinghash{$readkey} =~ s/\.$1\.//; 3434: $chgcount ++; 3435: } 3436: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3437: unless ($readinghash{$readkey} =~ /\.$1\./) { 3438: $readinghash{$readkey} .= '.'.$1.'.'; 3439: $chgcount ++; 3440: } 3441: } 3442: } 3443: if ($chgcount > 0) { 3444: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3445: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3446: } 3447: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3448: '0','0','','',$env{'form.previous'},'','','', 3449: undef,undef,undef,$group); 3450: return OK; 3451: } 3452: if ($env{'form.allversions'}) { 3453: &Apache::loncommon::content_type($r,'text/html'); 3454: &Apache::loncommon::no_cache($r); 3455: $r->send_http_header; 3456: 3457: # Breadcrumbs 3458: my $brcrum = [{'href' => '', 3459: 'text' => 'Discussion Post Versions'}]; 3460: 3461: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3462: {'bread_crumbs' => $brcrum,}) 3463: ); 3464: 3465: my $crs='/'.$env{'request.course.id'}; 3466: if ($env{'request.course.sec'}) { 3467: $crs.='_'.$env{'request.course.sec'}; 3468: } 3469: $crs=~s|_|/|g; 3470: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3471: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3472: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3473: ($symb)=&get_feedurl_and_clean_symb($symb); 3474: my $ressymb = &wrap_symb($symb); 3475: my $group = $env{'form.group'}; 3476: my $seeid; 3477: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3478: if (&check_group_priv($group,'dgp') eq 'ok') { 3479: $seeid = 1; 3480: } 3481: } else { 3482: $seeid = &Apache::lonnet::allowed('rin',$crs); 3483: } 3484: if ($idx > 0) { 3485: my %messages = (); 3486: my %subjects = (); 3487: my %attachmsgs = (); 3488: my %allattachments = (); 3489: my %imsfiles = (); 3490: my ($screenname,$plainname); 3491: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3492: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3493: $env{'course.'.$env{'request.course.id'}.'.num'}); 3494: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3495: } 3496: $r->print(&Apache::loncommon::end_page()); 3497: return OK; 3498: } 3499: if ($env{'form.posterlist'}) { 3500: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3501: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3502: $env{'form.sortposts'}); 3503: return OK; 3504: } 3505: if ($env{'form.userpick'}) { 3506: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3507: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3508: my $numpicks = @posters; 3509: my %discinfo; 3510: $discinfo{$symb.'_userpick'} = join('&',@posters); 3511: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3512: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3513: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3514: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3515: '',$numpicks,$group); 3516: return OK; 3517: } 3518: if ($env{'form.applysort'}) { 3519: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3520: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3521: '',$env{'form.previous'},$env{'form.sortposts'}, 3522: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3523: $env{'form.sectionpick'},$env{'form.grouppick'}, 3524: undef,$group); 3525: return OK; 3526: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3527: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3528: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3529: return OK; 3530: } elsif ($env{'form.navtime'}) { 3531: my %discinfo = (); 3532: my @resources = (); 3533: if (defined($env{'form.navmaps'})) { 3534: if ($env{'form.navmaps'} =~ /:/) { 3535: @resources = split(/:/,$env{'form.navmaps'}); 3536: } else { 3537: @resources = ("$env{'form.navmaps'}"); 3538: } 3539: } else { 3540: &has_discussion(\@resources); 3541: } 3542: my $numitems = @resources; 3543: my $feedurl = '/adm/navmaps'; 3544: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3545: my %lt = &Apache::lonlocal::texthash( 3546: 'mnpa' => 'Marked "New" posts as read in a total of', 3547: 'robb' => 'resources/bulletin boards.', 3548: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3549: ); 3550: foreach my $res (@resources) { 3551: my $ressymb=$res; 3552: &Apache::lonenc::check_decrypt(\$ressymb); 3553: my $lastkey = $ressymb.'_lastread'; 3554: $discinfo{$lastkey} = $env{'form.navtime'}; 3555: } 3556: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3557: if ($numitems > 0) { 3558: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3559: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3560: } else { 3561: $textline = "<b>$lt{'twnp'}</b>"; 3562: } 3563: &Apache::loncommon::content_type($r,'text/html'); 3564: $r->send_http_header; 3565: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3566: my %onload; 3567: 3568: my $start_page= 3569: &Apache::loncommon::start_page('New posts marked as read',undef, 3570: {'redirect' => [2,$feedurl], 3571: 'only_body' => 1, 3572: 'add_entries' => \%onload}); 3573: my $end_page = &Apache::loncommon::end_page(); 3574: $r->print (<<ENDREDIR); 3575: $start_page 3576: <img align="right" src="$logo" /> 3577: $textline 3578: <form name="reldt" action="$feedurl" target="loncapaclient"> 3579: </form> 3580: <br /> 3581: $end_page 3582: ENDREDIR 3583: return OK; 3584: } elsif ($env{'form.modifydisp'}) { 3585: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3586: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3587: split(/_/,$env{'form.changes'}); 3588: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3589: $dispchgB,$markchg,$toggchg,$feedurl); 3590: return OK; 3591: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3592: $env{'form.allposts'} || $env{'form.onlyunread'} || 3593: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3594: $env{'form.toggon'} || $env{'form.markread'}) { 3595: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3596: my %discinfo; 3597: # ------------------------ Modify setting for read/unread toggle for each post 3598: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3599: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3600: # --------- Modify setting for identification of 'NEW' posts in this discussion 3601: if ($env{'form.markondisp'}) { 3602: $discinfo{$symb.'_lastread'} = time; 3603: $discinfo{$symb.'_markondisp'} = 1; 3604: } 3605: if ($env{'form.markonread'}) { 3606: if ( $env{'form.previous'} > 0 ) { 3607: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3608: } 3609: $discinfo{$symb.'_markondisp'} = 0; 3610: } 3611: # --------------------------------- Modify display setting for this discussion 3612: if ($env{'form.allposts'}) { 3613: $discinfo{$symb.'_showonlyunread'} = 0; 3614: $discinfo{$symb.'_showonlyunmark'} = 0; 3615: } 3616: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3617: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3618: # ----------------------------------------------------- Mark new posts not NEW 3619: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3620: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3621: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3622: my $previous=$env{'form.previous'}; 3623: if ($env{'form.markondisp'}) { $previous=undef; } 3624: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3625: '0','0','','',$previous,'','','','','','',$group); 3626: return OK; 3627: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3628: # ----------------------------------------------------------------- Hide/unhide 3629: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3630: my ($symb,$idx)=split(/\:\:\:/,$entry); 3631: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3632: 3633: my $crs='/'.$env{'request.course.id'}; 3634: if ($env{'request.course.sec'}) { 3635: $crs.='_'.$env{'request.course.sec'}; 3636: } 3637: $crs=~s/\_/\//g; 3638: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3639: 3640: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3641: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3642: undef,undef,$group,); 3643: return OK; 3644: } 3645: 3646: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3647: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3648: $env{'course.'.$env{'request.course.id'}.'.num'}); 3649: 3650: my $currenthidden=$contrib{'hidden'}; 3651: my $currentstudenthidden=$contrib{'studenthidden'}; 3652: 3653: if ($env{'form.hide'}) { 3654: $currenthidden.='.'.$idx.'.'; 3655: unless ($seeid) { 3656: $currentstudenthidden.='.'.$idx.'.'; 3657: } 3658: } else { 3659: $currenthidden=~s/\.$idx\.//g; 3660: } 3661: my %newhash=('hidden' => $currenthidden); 3662: if ( ($env{'form.hide'}) && (!$seeid) ) { 3663: $newhash{'studenthidden'} = $currentstudenthidden; 3664: } 3665: if ($env{'form.hide'}) { 3666: my $changelast = 0; 3667: my $newlast; 3668: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3669: if ($changelast) { 3670: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3671: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3672: $env{'course.'.$env{'request.course.id'}.'.num'}); 3673: } 3674: } 3675: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3676: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3677: $env{'course.'.$env{'request.course.id'}.'.num'}); 3678: 3679: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3680: '0','0','','',$env{'form.previous'},undef,undef,undef, 3681: undef,undef,undef,$group); 3682: return OK; 3683: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3684: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3685: if ($env{'form.cmd'} eq 'threadedon') { 3686: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3687: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3688: } else { 3689: &Apache::lonnet::del('environment',['threadeddiscussion']); 3690: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3691: } 3692: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3693: '0','0','','',$env{'form.previous'},undef,undef,undef, 3694: undef,undef,undef,$group); 3695: return OK; 3696: } elsif ($env{'form.deldisc'}) { 3697: # --------------------------------------------------------------- Hide for good 3698: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3699: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3700: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3701: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3702: $env{'course.'.$env{'request.course.id'}.'.num'}); 3703: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3704: if ($changelast) { 3705: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3706: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3707: } 3708: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3709: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3710: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3711: $env{'course.'.$env{'request.course.id'}.'.num'}); 3712: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3713: '0','0','','',$env{'form.previous'},undef,undef,undef, 3714: undef,undef,undef,$group); 3715: return OK; 3716: } elsif ($env{'form.preview'}) { 3717: # -------------------------------------------------------- User wants a preview 3718: &show_preview($r); 3719: return OK; 3720: } elsif ($env{'form.attach'}) { 3721: # -------------------------------------------------------- Work on attachments 3722: &Apache::loncommon::content_type($r,'text/html'); 3723: $r->send_http_header; 3724: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3725: my (@currnewattach,@currdelold,@keepold,$toolarge); 3726: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3727: if (exists($env{'form.addnewattach.filename'})) { 3728: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3729: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3730: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3731: push(@currnewattach, $newattachment); 3732: } else { 3733: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3734: } 3735: } 3736: my $attachmenturls; 3737: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3738: my $idx = $env{'form.idx'}; 3739: if ($idx) { 3740: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3741: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3742: $env{'course.'.$env{'request.course.id'}.'.num'}); 3743: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3744: } 3745: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3746: $attachmenturls,$attachmax{'text'},$toolarge); 3747: return OK; 3748: } elsif ($env{'form.export'}) { 3749: &Apache::loncommon::content_type($r,'text/html'); 3750: $r->send_http_header; 3751: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3752: my $mode='board'; 3753: my $status='OPEN'; 3754: my $previous=$env{'form.previous'}; 3755: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3756: $mode='problem'; 3757: $status=$Apache::inputtags::status[-1]; 3758: } 3759: my $discussion = &list_discussion($mode,$status,$symb); 3760: my $start_page = 3761: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3762: my $end_page = 3763: &Apache::loncommon::end_page(); 3764: $r->print($start_page.$discussion.$end_page); 3765: return OK; 3766: } else { 3767: # ------------------------------------------------------------- Normal feedback 3768: my $feedurl=$env{'form.postdata'}; 3769: $feedurl=~s/^https?\:\/\///; 3770: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3771: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3772: $feedurl=~s/\?.+$//; 3773: 3774: my $symb; 3775: if ($env{'form.replydisc'}) { 3776: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3777: } elsif ($env{'form.editdisc'}) { 3778: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3779: } elsif ($env{'form.origpage'}) { 3780: $symb=""; 3781: } else { 3782: $symb=&Apache::lonnet::symbread($feedurl); 3783: } 3784: unless ($symb) { 3785: $symb=$env{'form.symb'}; 3786: } 3787: if (defined($symb)) { 3788: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3789: } else { 3790: # backward compatibility (bulletin boards used to be 'wrapped') 3791: &Apache::lonenc::check_decrypt(\$feedurl); 3792: &dewrapper(\$feedurl); 3793: } 3794: my $goahead=1; 3795: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3796: unless ($symb) { $goahead=0; } 3797: } 3798: if (!$goahead) { 3799: # Ambiguous Problem Resource 3800: $r->internal_redirect('/adm/ambiguous'); 3801: return OK; 3802: } 3803: # Go ahead with feedback, no ambiguous reference 3804: unless ( 3805: ( 3806: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3807: ) 3808: || 3809: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3810: || 3811: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3812: ) { 3813: &Apache::loncommon::content_type($r,'text/html'); 3814: $r->send_http_header; 3815: # Unable to give feedback 3816: &Apache::lonenc::check_encrypt(\$feedurl); 3817: &no_redirect_back($r,$feedurl); 3818: return OK; 3819: } 3820: # --------------------------------------------------- Print login screen header 3821: unless ($env{'form.sendit'}) { 3822: &Apache::lonenc::check_encrypt(\$feedurl); 3823: &Apache::loncommon::content_type($r,'text/html'); 3824: $r->send_http_header; 3825: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3826: my ($blocked,$blocktext) = 3827: &Apache::loncommon::blocking_status('boards'); 3828: if ($blocked) { 3829: $r->print(&blocked_reply_or_edit($blocktext)); 3830: return OK; 3831: } 3832: } 3833: my $options=&screen_header($feedurl,$symb); 3834: if ($options) { 3835: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3836: } else { 3837: &fail_redirect($r,$feedurl); 3838: } 3839: return OK; 3840: } 3841: 3842: # Get previous user input 3843: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3844: $symb,$env{'user.name'},$env{'user.domain'}, 3845: $env{'request.course.id'}); 3846: 3847: # Get output from resource 3848: &Apache::lonenc::check_encrypt(\$feedurl); 3849: my $usersaw=&resource_output($feedurl); 3850: 3851: # Get resource answer (need to allow student to view grades for this to work) 3852: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3853: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3854: my $useranswer= 3855: &Apache::loncommon::get_student_answers( 3856: $usersymb,$env{'user.name'},$env{'user.domain'}, 3857: $env{'request.course.id'}); 3858: &Apache::lonnet::delenv('allowed.vgr'); 3859: # Get attachments, if any, and not too large 3860: my $attachmenturl=''; 3861: my $toolarge=''; 3862: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3863: ($env{'form.replydisc'})) { 3864: my ($symb,$idx); 3865: if ($env{'form.replydisc'}) { 3866: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3867: } elsif ($env{'form.editdisc'}) { 3868: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3869: } elsif ($env{'form.origpage'}) { 3870: $symb = $env{'form.symb'}; 3871: } 3872: &Apache::lonenc::check_decrypt(\$symb); 3873: my @currnewattach = (); 3874: my @deloldattach = (); 3875: my @keepold = (); 3876: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3877: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3878: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3879: } elsif ($env{'form.attachment.filename'}) { 3880: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3881: my $now = time; 3882: my $subdir = 'feedback/'.$now; 3883: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3884: } else { 3885: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3886: } 3887: } 3888: # Filter HTML out of message (could be nasty) 3889: my $message=&clear_out_html($env{'form.comment'}); 3890: 3891: # Assemble email 3892: my ($email,$citations)=&assemble_email($message,$prevattempts, 3893: $usersaw,$useranswer); 3894: 3895: # Who gets this? 3896: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3897: 3898: # Actually send mail 3899: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3900: undef,1), 3901: $feedurl,$email,$citations, 3902: $attachmenturl,$usersymb,%to); 3903: 3904: # Discussion? Store that. 3905: my $numpost=0; 3906: if ( ($env{'form.discuss'} ne '' 3907: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3908: || $env{'form.anondiscuss'} ne '') { 3909: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3910: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3911: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3912: $subject); 3913: $numpost++; 3914: } 3915: 3916: # Add to blog? 3917: 3918: my $blog=''; 3919: if ($env{'form.blog'}) { 3920: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3921: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3922: $env{'user.domain'}, 3923: 'CourseBlog_'.$env{'request.course.id'}, 3924: $subject,$message,$feedurl,'public'); 3925: if (&Apache::loncommon::course_type() eq 'Community') { 3926: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3927: } else { 3928: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3929: } 3930: } 3931: 3932: # Receipt screen and redirect back to where came from 3933: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3934: } 3935: return OK; 3936: } 3937: 3938: sub blocked_reply_or_edit { 3939: my ($blocktext) = @_; 3940: return 3941: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3942: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3943: &mt('Back to previous page'). 3944: &Apache::loncommon::end_page(); 3945: } 3946: 3947: sub wrap_symb { 3948: my ($ressymb)=@_; 3949: if ($ressymb =~ /bulletin___\d+___/) { 3950: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3951: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3952: } 3953: } 3954: return $ressymb; 3955: } 3956: sub dewrapper { 3957: my ($feedurl)=@_; 3958: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3959: $$feedurl=~s|^/adm/wrapper||; 3960: } 3961: } 3962: 3963: sub get_feedurl { 3964: my ($symb)=@_; 3965: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3966: my $feedurl = &Apache::lonnet::clutter($url); 3967: &dewrapper(\$feedurl); 3968: return $feedurl; 3969: } 3970: 3971: sub get_feedurl_and_clean_symb { 3972: my ($symb)=@_; 3973: &Apache::lonenc::check_decrypt(\$symb); 3974: # backward compatibility (bulletin boards used to be 'wrapped') 3975: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3976: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3977: } 3978: my $feedurl = &get_feedurl($symb); 3979: return ($symb,$feedurl); 3980: } 3981: 3982: sub editing_allowed { 3983: my ($postid,$group) = @_; 3984: $postid = &unescape($postid); 3985: my $can_edit = 0; 3986: if ($group ne '') { 3987: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3988: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3989: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3990: if (&check_group_priv($group,'egp') eq 'ok') { 3991: $can_edit = 1; 3992: } 3993: return $can_edit; 3994: } 3995: } 3996: my $cid = $env{'request.course.id'}; 3997: my $role = (split(/\./,$env{'request.role'}))[0]; 3998: my $section = $env{'request.course.sec'}; 3999: my $allow_editing_config = 4000: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4001: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4002: $can_edit = 1; 4003: } else { 4004: foreach my $editor (split(/,/,$allow_editing_config)) { 4005: my ($editor_role,$editor_sec) = split(/:/,$editor); 4006: if ($editor_role eq $role 4007: && defined($editor_sec) 4008: && defined($section) 4009: && $editor_sec eq $section) { 4010: $can_edit = 1; 4011: last; 4012: } 4013: if ($editor_role eq $role 4014: && !defined($editor_sec)) { 4015: $can_edit = 1; 4016: } 4017: } 4018: } 4019: return $can_edit; 4020: } 4021: 4022: sub check_group_priv { 4023: my ($group,$grp_priv) = @_; 4024: foreach my $priv ('mdg','vcg') { 4025: my $checkcourse = $env{'request.course.id'}. 4026: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4027: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4028: return 'ok'; 4029: } 4030: } 4031: if ($grp_priv && $group ne '') { 4032: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4033: return 'ok'; 4034: } 4035: } 4036: return ''; 4037: } 4038: 4039: sub group_args { 4040: my ($group) = @_; 4041: if ($group eq '') { return ''; } 4042: my $extra_args = '&group='.$group; 4043: if (exists($env{'form.ref'})) { 4044: $extra_args .= '&ref='.$env{'form.ref'}; 4045: } 4046: return $extra_args; 4047: } 4048: 4049: sub get_resource_title { 4050: my ($symb,$feedurl) = @_; 4051: my ($restitle,$plainurl); 4052: if (defined($symb)) { 4053: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4054: $restitle = &Apache::lonnet::gettitle($plain_symb); 4055: } 4056: if (defined($feedurl)) { 4057: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4058: } 4059: if (!defined($restitle)) { 4060: if (defined($feedurl)) { 4061: $restitle = &Apache::lonnet::gettitle($plainurl); 4062: } 4063: } 4064: if ($plainurl ne $feedurl) { 4065: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4066: if ($plain_filename eq $restitle) { 4067: $restitle = &mt('Untitled resource'); 4068: } 4069: } 4070: if ($restitle eq '') { 4071: $restitle = &mt('Untitled resource'); 4072: } 4073: return $restitle; 4074: } 4075: 4076: 1; 4077: __END__ 4078: 4079: 4080: =pod 4081: 4082: =head1 NAME 4083: 4084: Apache::lonfeedback.pm 4085: 4086: =head1 SYNOPSIS 4087: 4088: Handles feedback from students to instructors and system administrators. 4089: 4090: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4091: 4092: Used by lonmsg.pm. 4093: 4094: This is part of the LearningOnline Network with CAPA project 4095: described at http://www.lon-capa.org. 4096: 4097: =head1 OVERVIEW 4098: 4099: None 4100: 4101: =head1 SUBROUTINES 4102: 4103: =over 4104: 4105: =item discussion_open() 4106: 4107: =item discussion_visible() 4108: 4109: =item list_discussion() 4110: 4111: =item send_feedback_link() 4112: 4113: =item send_message_link() 4114: 4115: =item action_links_bar() 4116: 4117: =item postingform_display() 4118: 4119: =item build_posting_display 4120: 4121: =item filter_regexp() 4122: 4123: =item get_post_contents() 4124: 4125: =item replicate_attachments() 4126: 4127: =item mail_screen() 4128: 4129: =item print_display_options() 4130: 4131: =item print_sortfilter_options() 4132: 4133: =item print_showposters() 4134: 4135: =item get_post_versions() 4136: 4137: =item get_post_attachments() 4138: 4139: =item fail_redirect() 4140: 4141: =item redirect_back() 4142: 4143: =item no_redirect_back() 4144: 4145: =item screen_header() 4146: 4147: =item resource_output() 4148: 4149: =item clear_out_html() 4150: 4151: =item assemble_email() 4152: 4153: =item feedback_available() 4154: 4155: =item send_msg() 4156: 4157: =item adddiscuss() 4158: 4159: =item get_discussion_info() 4160: 4161: =item show_preview() 4162: 4163: =item newline_to_br() 4164: 4165: =item tidy_html() 4166: 4167: =item generate_preview_button() 4168: 4169: =item modify_attachments() 4170: 4171: =item process_attachments() 4172: 4173: =item generate_attachments_button() 4174: 4175: =item extract_attachments() 4176: 4177: =item construct_attachmenturl() 4178: 4179: =item add_blog_checkbox() 4180: 4181: =item has_discussion() 4182: 4183: =item sort_filter_names() 4184: 4185: =item handler() 4186: 4187: =item blocked_reply_or_edit() 4188: 4189: =item wrap_symb() 4190: 4191: =item dewrapper() 4192: 4193: =item get_feedurl() 4194: 4195: =item get_feedurl_and_clean_symb() 4196: 4197: =item editing_allowed() 4198: 4199: =item check_group_priv() 4200: 4201: =item group_args() 4202: 4203: =item get_resource_title() 4204: 4205: =back 4206: 4207: =cut