loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.305: download - view: text, annotated - select for diffs
Mon Nov 7 20:05:55 2011 UTC (12 years, 5 months ago) by www
Branches: MAIN
CVS tags: language_hyphenation_merge, language_hyphenation, HEAD

Trying to get rid of some of the copy/paste regular expressions.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.305 2011/11/07 20:05:55 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=~/$LONCAPA::assess_re/)); 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: 'discussions' => 'DISCUSSIONS' 326: ); 327: 328: my $currdisp = $lt{'allposts'}; 329: my $currmark = $lt{'onmark'}; 330: my $currtogg = $lt{'toggoff'}; 331: my $dispchange = $lt{'unread'}; 332: my $markchange = $lt{'ondisp'}; 333: my $toggchange = $lt{'toggon'}; 334: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 335: my $displinkA = 'onlyunread'; 336: my $displinkB = 'onlyunmark'; 337: my $marklink = 'markondisp'; 338: my $togglink = 'toggon'; 339: 340: if ($markondisp) { 341: $currmark = $lt{'ondisp'}; 342: $markchange = $lt{'onmark'}; 343: $marklink = 'markonread'; 344: } 345: 346: if ($showonlyunread) { 347: $currdisp = $lt{'unread'}; 348: $dispchange = $lt{'allposts'}; 349: $displinkA = 'allposts'; 350: } 351: 352: if ($showunmark) { 353: $currdisp = $lt{'unmark'}; 354: $dispchange = $lt{'unmark'}; 355: $displinkA='allposts'; 356: $displinkB='onlyunread'; 357: $showonlyunread = 0; 358: } 359: 360: if ($dischash{$toggkey}) { 361: $currtogg = $lt{'toggon'}; 362: $toggchange = $lt{'toggoff'}; 363: $togglink = 'toggoff'; 364: } 365: 366: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 367: 368: if ($newpostsflag) { 369: $chglink .= '&previous='.$prevread; 370: } 371: $chglink.=&group_args($group); 372: 373: if ($visible) { 374: # Print the discusssion 375: if ($outputtarget eq 'tex') { 376: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 377: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\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/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 522: 523: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 524: $discussion.=$discussionitems[$alldiscussion{$post}]; 525: } elsif ($outputtarget eq 'export') { 526: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 527: if ($manifestok) { 528: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 529: print $manifestfile ' </item>'."\n"; 530: } 531: $currdepth = $depth[$alldiscussion{$post}]; 532: print $manifestfile "\n". 533: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 534: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 535: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 536: $imsresources .= "\n". 537: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 538: '<file href="'.$postfilename.'">'."\n". 539: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 540: '</resource>'; 541: } 542: my $postingfile; 543: my $postingfilename = $tempexport.'/'.$postfilename; 544: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 545: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 546: $imsitems{$alldiscussion{$post}}{'title'}.' '. 547: $imsitems{$alldiscussion{$post}}{'sender'}. 548: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 549: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 550: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 551: close($postingfile); 552: } else { 553: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 554: } 555: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 556: } else { 557: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 558: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 559: '</td></tr>'; 560: } 561: } 562: } 563: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 564: my $colspan=$maxdepth+1; 565: $discussion .= <<END; 566: <tr bgcolor="#FFFFFF"> 567: <td colspan="$colspan" class="LC_disc_action_links_bar"> 568: <table class="LC_disc_action_table"> 569: <tr> 570: <td align="left"> 571: <table border="0" cellpadding="0" cellspacing="4"> 572: <tr> 573: <td> 574: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 575: <td> </td> 576: <td><font size="-1"> 577: END 578: if ($newpostsflag) { 579: $discussion .= 580: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 581: if ($dischash{$toggkey}) { 582: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 583: } 584: } else { 585: if ($dischash{$toggkey}) { 586: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 587: } else { 588: $discussion .= 589: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 590: } 591: } 592: $discussion .= <<END; 593: </font></td> 594: <td> </td> 595: <td align="left"> 596: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 597: </td> 598: </tr> 599: </table> 600: </td> 601: END 602: if ($sortposts) { 603: my %sort_types = (); 604: my %role_types = (); 605: my %status_types = (); 606: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 607: 608: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 609: if (defined($env{'form.totposters'})) { 610: $discussion .= &mt('Posts by').':'; 611: if ($totposters > 0) { 612: foreach my $poster (@posters) { 613: $discussion .= ' '.$poster.','; 614: } 615: $discussion =~ s/,$//; 616: } else { 617: $discussion .= &mt('None selected'); 618: } 619: } else { 620: my $filterchoice =''; 621: if (@sectionpick > 0) { 622: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 623: $filterchoice .= '    '; 624: } 625: if (@grouppick > 0) { 626: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 627: $filterchoice .= '    '; 628: } 629: if (@rolefilter > 0) { 630: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 631: foreach my $role (@rolefilter) { 632: $filterchoice .= ' '.$role_types{$role}.','; 633: } 634: $filterchoice =~ s/,$//; 635: $filterchoice .= '<br />'.(' ' x8); 636: } 637: if ($statusfilter) { 638: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 639: } 640: if ($filterchoice) { 641: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 642: } 643: $discussion .= '</font></td>'; 644: } 645: } 646: if ($dischash{$toggkey}) { 647: my $storebutton = &mt('Save read/unread changes'); 648: $discussion.='<td align="right">'. 649: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 650: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 651: ' onclick="this.form.submit();" />'."\n". 652: '</td>'; 653: } 654: $discussion .= (<<END); 655: </tr> 656: </table> 657: </td> 658: </tr> 659: END 660: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 661: $newpostsflag,$group, 662: $prevread,$markondisp); 663: $discussion .= " 664: </table> 665: <br /><br /></form>\n"; 666: } 667: if ($outputtarget eq 'export') { 668: if ($manifestok) { 669: while ($currdepth > 0) { 670: print $manifestfile " </item>\n"; 671: $currdepth --; 672: } 673: print $manifestfile qq| 674: </organization> 675: </organizations> 676: <resources> 677: $imsresources 678: </resources> 679: </manifest> 680: |; 681: close($manifestfile); 682: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 683: $discussion = $copyresult; 684: } else { 685: 686: #Create zip file in prtspool 687: 688: my $imszipfile = '/prtspool/'. 689: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 690: time.'_'.rand(1000000000).'.zip'; 691: my $cwd = &getcwd(); 692: my $imszip = '/home/httpd/'.$imszipfile; 693: chdir $tempexport; 694: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 695: close(OUTPUT); 696: chdir $cwd; 697: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 698: if ($copyresult) { 699: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 700: } 701: } 702: } else { 703: $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 />'; 704: } 705: return $discussion; 706: } 707: } 708: if ($discussiononly) { 709: my $now = time; 710: my $attachnum = 0; 711: my $currnewattach = []; 712: my $currdelold = []; 713: my $comment = ''; 714: my $subject = ''; 715: if ($env{'form.origpage'}) { 716: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 717: $subject = &unescape($env{'form.subject'}); 718: $comment = &unescape($env{'form.comment'}); 719: my @keepold = (); 720: &process_attachments($currnewattach,$currdelold,\@keepold); 721: if (@{$currnewattach} > 0) { 722: $attachnum += @{$currnewattach}; 723: } 724: } 725: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 726: if (($group ne '') && ($mode eq 'board')) { 727: if ((&check_group_priv($group,'pgd') eq 'ok') && 728: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 729: $discussion .= 730: &postingform_display($mode,$ressymb,$now,$subject, 731: $comment,$outputtarget,$attachnum, 732: $currnewattach,$currdelold, 733: $group,$crstype); 734: } 735: } else { 736: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 737: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 738: 739: $discussion.= 740: &postingform_display($mode,$ressymb,$now,$subject, 741: $comment,$outputtarget,$attachnum, 742: $currnewattach,$currdelold,'',$crstype); 743: } else { 744: $discussion.= '<span class="LC_feedback_link">'. 745: &mt('This discussion is closed.').'</span>'; 746: } 747: } 748: } 749: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 750: $discussion.= '<span class="LC_feedback_link">'. 751: &mt('This discussion is closed.').'</span>'; 752: } 753: } elsif ($outputtarget ne 'tex') { 754: $discussion.='<div class="LC_feedback_link">'; 755: if (&discussion_open($status) && 756: &Apache::lonnet::allowed('pch', 757: $env{'request.course.id'}. 758: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 759: $discussion.= &send_feedback_link($ressymb,$target); 760: if ($env{'request.role.adv'}) { 761: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 762: if (defined($close) && $close ne '' && $close < time) { 763: $discussion .= ' '.&mt('(Closed for [_1] roles)', 764: &Apache::lonnet::plaintext('st',$crstype)); 765: } 766: } 767: } else { 768: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 769: } 770: $discussion.= &send_message_link($ressymb).'</div>'; 771: } 772: return $discussion; 773: } 774: 775: sub send_feedback_link { 776: my ($ressymb,$target) = @_; 777: my $output = '<span class="LC_feedback_link">'. 778: ' <a href="/adm/feedback?replydisc='. 779: &escape($ressymb).':::" '.$target.'>'. 780: '<img alt="" class="LC_noBorder" src="'. 781: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 782: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 783: return $output; 784: } 785: 786: sub send_message_link { 787: my ($ressymb) = @_; 788: my $output = '<span class="LC_message_link">'. 789: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 790: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 791: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 792: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 793: return $output; 794: } 795: 796: sub action_links_bar { 797: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 798: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 799: '<table width="100%" class="LC_disc_action_table"><tr>'. 800: '<td class="LC_disc_action_left">'; 801: my $escsymb=&escape($ressymb); 802: if ($visible) { 803: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 804: if ($newpostsflag) { 805: $discussion .= '&previous='.$prevread; 806: } 807: $discussion .= &group_args($group); 808: $discussion .='">'.&mt('Threaded View').'</a>  '. 809: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 810: if ($newpostsflag) { 811: $discussion .= '&previous='.$prevread; 812: } 813: $discussion .= &group_args($group); 814: $discussion .='">'.&mt('Chronological View').'</a>   815: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 816: if ($newpostsflag) { 817: $discussion .= '&previous='.$prevread; 818: } 819: $discussion .= &group_args($group); 820: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 821: } 822: $discussion .='<a href="/adm/feedback?export='.$escsymb; 823: if ($newpostsflag) { 824: $discussion .= '&previous='.$prevread; 825: } 826: $discussion .= &group_args($group); 827: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 828: if ($newpostsflag) { 829: if (!$markondisp) { 830: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 831: $discussion .= &group_args($group); 832: $discussion .= '">'. 833: &mt('Preferences on what is marked as NEW'). 834: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 835: $discussion .= &group_args($group); 836: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 837: } else { 838: $discussion .= '<td> </td>'; 839: } 840: } else { 841: $discussion .= '<td> </td>'; 842: } 843: $discussion .= '</tr></table></td></tr>'; 844: return $discussion; 845: } 846: 847: sub postingform_display { 848: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 849: $currnewattach,$currdelold,$group,$crstype) = @_; 850: my $newattachmsg; 851: my %lt = &Apache::lonlocal::texthash( 852: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 853: 'title' => 'Title', 854: 'podi' => 'Post Discussion', 855: 'poan' => 'Post Anonymous Discussion', 856: 'newa' => 'New attachments', 857: ); 858: if ($crstype eq 'Community') { 859: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 860: } 861: my ($postingform,$textareaclass); 862: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 863: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 864: $textareaclass = 'class="LC_richDefaultOff"'; 865: if ($env{'request.course.id'}) { 866: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 867: undef($textareaclass); 868: } 869: } 870: } 871: $postingform .= (<<ENDDISCUSS); 872: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 873: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 874: <input type="hidden" name="sendit" value="true" /> 875: <input type="hidden" name="timestamp" value="$now" /> 876: <br /><a name="newpost"></a> 877: <font size="1">$lt{'note'}</font><br /> 878: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 879: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 880: ENDDISCUSS 881: if ($env{'form.origpage'}) { 882: $postingform .= '<input type="hidden" name="origpage" value="'. 883: $env{'form.origpage'}.'" />'."\n"; 884: foreach my $att (@{$currnewattach}) { 885: $postingform .= '<input type="hidden" name="currnewattach" '. 886: 'value="'.$att.'" />'."\n"; 887: } 888: } 889: if (exists($env{'form.ref'})) { 890: $postingform .= '<input type="hidden" name="ref" value="'. 891: $env{'form.ref'}.'" />'; 892: } 893: if ($group ne '') { 894: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 895: } 896: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 897: if (!$blockblog) { 898: $postingform .= &add_blog_checkbox($crstype); 899: } 900: $postingform .= "</form>\n"; 901: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 902: $now,$currnewattach, 903: $currdelold,'',$mode, 904: $blockblog); 905: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 906: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 907: if (@{$currnewattach} > 1) { 908: $newattachmsg .= '<ol>'; 909: foreach my $item (@{$currnewattach}) { 910: $item =~ m#.*/([^/]+)$#; 911: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 912: } 913: $newattachmsg .= '</ol>'."\n"; 914: } else { 915: $$currnewattach[0] =~ m#.*/([^/]+)$#; 916: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 917: } 918: } 919: $postingform .= $newattachmsg; 920: $postingform .= &generate_preview_button(); 921: return $postingform; 922: } 923: 924: sub build_posting_display { 925: 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) = @_; 926: my @original=(); 927: my @index=(); 928: my $skip_group_check = 0; 929: my $symb=&Apache::lonenc::check_decrypt($ressymb); 930: my $escsymb=&escape($ressymb); 931: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 932: $env{'course.'.$env{'request.course.id'}.'.domain'}, 933: $env{'course.'.$env{'request.course.id'}.'.num'}); 934: 935: my $see_anonymous = 936: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 937: 938: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 939: $skip_group_check = 1; 940: } 941: my (%deletions,%hiddens); 942: if ($contrib{'deleted'}) { 943: my $deleted = $contrib{'deleted'}; 944: $deleted =~ s/^\.//; 945: $deleted =~ s/\.$//; 946: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 947: } 948: if ($contrib{'hidden'}) { 949: my $hidden = $contrib{'hidden'}; 950: $hidden =~ s/^\.//; 951: $hidden =~ s/\.$//; 952: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 953: } 954: if ($contrib{'version'}) { 955: my $oldest = $contrib{'1:timestamp'}; 956: if ($prevread eq '0') { 957: $prevread = $oldest-1; 958: } 959: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 960: if ($sortposts) { 961: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 962: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 963: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 964: } 965: for (my $id=1;$id<=$contrib{'version'};$id++) { 966: my $idx=$id; 967: next if ($contrib{$idx.':deleted'}); 968: next if ($contrib{$idx.':hidden'}); 969: my $posttime = $contrib{$idx.':timestamp'}; 970: if ($prevread <= $posttime) { 971: $$newpostsflag = 1; 972: } 973: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 974: my $origindex='0.'; 975: my $numoldver=0; 976: if ($contrib{$idx.':replyto'}) { 977: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 978: # this is a follow-up message 979: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 980: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 981: $origindex=$index[$contrib{$idx.':replyto'}]; 982: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 983: } else { 984: $original[$idx]=0; 985: $$depth[$idx]=0; 986: } 987: } else { 988: # this is an original message 989: $original[$idx]=0; 990: $$depth[$idx]=0; 991: } 992: if ($$replies[$$depth[$idx]]) { 993: $$replies[$$depth[$idx]]++; 994: } else { 995: $$replies[$$depth[$idx]]=1; 996: } 997: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 998: $$visible++; 999: if ($contrib{$idx.':history'}) { 1000: if ($contrib{$idx.':history'} =~ /:/) { 1001: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1002: $numoldver = @oldversions; 1003: } else { 1004: $numoldver = 1; 1005: } 1006: } 1007: $$current = $numoldver; 1008: my %messages = (); 1009: my %subjects = (); 1010: my %attachtxt = (); 1011: my %allattachments = (); 1012: my ($screenname,$plainname); 1013: my $sender = &mt('Anonymous'); 1014: # Anonymous users getting number within a discussion 1015: # Since idx is in static order, this should give the same sequence every time. 1016: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1017: unless ($$anonhash{$key}) { 1018: $anoncnt++; 1019: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1020: } 1021: my ($message,$subject,$vgrlink,$ctlink); 1022: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1023: 1024: 1025: # Set up for sorting by subject 1026: unless ($outputtarget eq 'export') { 1027: $message=$messages{$numoldver}; 1028: $message.=$attachtxt{$numoldver}; 1029: $subject=$subjects{$numoldver}; 1030: if ($message) { 1031: if ($hiddens{$idx}) { 1032: $message='<font color="#888888">'.$message.'</font>'; 1033: if ($studenthidden) { 1034: $message .='<br /><br />Deleted by poster (student).'; 1035: } 1036: } 1037: 1038: if ($subject eq '') { 1039: if (defined($$subjectsort{'__No subject'})) { 1040: push(@{$$subjectsort{'__No subject'}}, $idx); 1041: } else { 1042: @{$$subjectsort{'__No subject'}} = ("$idx"); 1043: } 1044: } else { 1045: if (defined($$subjectsort{$subject})) { 1046: push(@{$$subjectsort{$subject}}, $idx); 1047: } else { 1048: @{$$subjectsort{$subject}} = ("$idx"); 1049: } 1050: } 1051: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1052: $sender=&Apache::loncommon::aboutmewrapper( 1053: $plainname, 1054: $contrib{$idx.':sendername'}, 1055: $contrib{$idx.':senderdomain'}).' ('. 1056: $contrib{$idx.':sendername'}.':'. 1057: $contrib{$idx.':senderdomain'}.')'; 1058: $sender = '<b>'.$sender.'</b>'; 1059: if ($contrib{$idx.':anonymous'}) { 1060: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1061: $screenname; 1062: } 1063: if ($see_anonymous) { 1064: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1065: } 1066: # Set up for sorting by domain, then username 1067: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1068: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1069: } 1070: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1071: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1072: } else { 1073: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1074: } 1075: # Set up for sorting by last name, then first name 1076: my %names = &Apache::lonnet::get('environment', 1077: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1078: ,$contrib{$idx.':sendername'}); 1079: my $lastname = $names{'lastname'}; 1080: my $firstname = $names{'firstname'}; 1081: if ($lastname eq '') { 1082: $lastname = '_'; 1083: } 1084: if ($firstname eq '') { 1085: $firstname = '_'; 1086: } 1087: unless (defined($$namesort{$lastname})) { 1088: %{$$namesort{$lastname}} = (); 1089: } 1090: if (defined($$namesort{$lastname}{$firstname})) { 1091: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1092: } else { 1093: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1094: } 1095: if ($outputtarget ne 'tex') { 1096: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1097: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1098: $sender.=' <a href="/adm/feedback?editdisc='. 1099: $escsymb.':::'.$idx; 1100: if ($$newpostsflag) { 1101: $sender .= '&previous='.$prevread; 1102: } 1103: $sender .= &group_args($group); 1104: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1105: 1106: unless ($seeid) { 1107: my $grpargs = &group_args($group); 1108: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1109: $sender .= '">'.&mt('Delete').'</a>'; 1110: } 1111: } 1112: } 1113: if ($seeid) { 1114: if ($hiddens{$idx}) { 1115: unless ($studenthidden) { 1116: $sender.=' <a href="/adm/feedback?unhide='. 1117: $escsymb.':::'.$idx; 1118: if ($$newpostsflag) { 1119: $sender .= '&previous='.$prevread; 1120: } 1121: $sender .= '">'.&mt('Make Visible').'</a>'; 1122: } 1123: } else { 1124: $sender.=' <a href="/adm/feedback?hide='. 1125: $escsymb.':::'.$idx; 1126: if ($$newpostsflag) { 1127: $sender .= '&previous='.$prevread; 1128: } 1129: $sender .= &group_args($group); 1130: $sender .= '">'.&mt('Hide').'</a>'; 1131: } 1132: my $grpargs = &group_args($group); 1133: $sender.= 1134: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1135: $sender .= &mt('Delete').'</a>'; 1136: } 1137: } 1138: } else { 1139: if ($screenname) { 1140: $sender='<i>'.$screenname.'</i>'; 1141: } else { 1142: $sender='<i>'.$$anonhash{$key}.'</i>'; 1143: } 1144: $sender = '<b>'.$sender.'</b>'; 1145: # Set up for sorting by domain, then username for anonymous 1146: unless (defined($$usernamesort{'__anon'})) { 1147: %{$$usernamesort{'__anon'}} = (); 1148: } 1149: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1150: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1151: } else { 1152: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1153: } 1154: # Set up for sorting by last name, then first name for anonymous 1155: unless (defined($$namesort{'__anon'})) { 1156: %{$$namesort{'__anon'}} = (); 1157: } 1158: if (defined($$namesort{'__anon'}{'__anon'})) { 1159: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1160: } else { 1161: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1162: } 1163: } 1164: if ($outputtarget ne 'tex') { 1165: if (&discussion_open($status)) { 1166: if (($group ne '') && 1167: (&check_group_priv($group,'pgd') eq 'ok')) { 1168: $sender.=' <a href="/adm/feedback?replydisc='. 1169: $escsymb.':::'.$idx; 1170: if ($$newpostsflag) { 1171: $sender .= '&previous='.$prevread; 1172: } 1173: $sender .= &group_args($group); 1174: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1175: } elsif (&Apache::lonnet::allowed('pch', 1176: $env{'request.course.id'}. 1177: ($env{'request.course.sec'}?'/'. 1178: $env{'request.course.sec'}:''))) { 1179: $sender.=' <a href="/adm/feedback?replydisc='. 1180: $escsymb.':::'.$idx; 1181: if ($$newpostsflag) { 1182: $sender .= '&previous='.$prevread; 1183: } 1184: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1185: } 1186: } 1187: if ($viewgrades) { 1188: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1189: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1190: } 1191: if ($$dischash{$readkey}=~/\.$idx\./) { 1192: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1193: } else { 1194: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1195: } 1196: } 1197: } 1198: #figure out at what position this needs to print 1199: } 1200: if ($outputtarget eq 'export' || $message) { 1201: my $thisindex=$idx; 1202: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1203: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1204: } 1205: $$alldiscussion{$thisindex}=$idx; 1206: $$shown{$idx} = 0; 1207: $index[$idx]=$thisindex; 1208: } 1209: if ($outputtarget eq 'export') { 1210: %{$$imsitems{$idx}} = (); 1211: $$imsitems{$idx}{'isvisible'}='true'; 1212: if ($hiddens{$idx}) { 1213: $$imsitems{$idx}{'isvisible'}='false'; 1214: } 1215: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1216: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1217: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1218: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1219: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1220: $contrib{$idx.':sendername'}.':'. 1221: $contrib{$idx.':senderdomain'}.')'; 1222: $$imsitems{$idx}{'isanonymous'}='false'; 1223: if ($contrib{$idx.':anonymous'}) { 1224: $$imsitems{$idx}{'isanonymous'}='true'; 1225: } 1226: $$imsitems{$idx}{'currversion'}=$numoldver; 1227: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1228: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1229: $$shown{$idx} = 1; 1230: } 1231: } else { 1232: if ($message) { 1233: my $spansize = 2; 1234: if ($showonlyunread && $prevread > $posttime) { 1235: $$notshown{$idx} = 1; 1236: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1237: $$notshown{$idx} = 1; 1238: } else { 1239: # apply filters 1240: my $uname = $contrib{$idx.':sendername'}; 1241: my $udom = $contrib{$idx.':senderdomain'}; 1242: my $poster = $uname.':'.$udom; 1243: if ($env{'form.totposters'} ne '') { 1244: if ($totposters == 0) { 1245: $$shown{$idx} = 0; 1246: } elsif ($totposters > 0) { 1247: if (grep/^$poster$/,@{$posters}) { 1248: $$shown{$idx} = 1; 1249: } 1250: } 1251: } elsif ($sortposts) { 1252: if ($skiptest) { 1253: $$shown{$idx} = 1; 1254: } else { 1255: foreach my $role (@{$$roleinfo{$poster}}) { 1256: if ($role =~ /^cc:/) { 1257: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1258: if ($role =~ /$cc_regexp/) { 1259: $$shown{$idx} = 1; 1260: last; 1261: } 1262: } elsif ($role =~ /^$rolematch$/) { 1263: $$shown{$idx} = 1; 1264: last; 1265: } 1266: } 1267: } 1268: if ($$shown{$idx} && !$skip_group_check) { 1269: my $showflag = 0; 1270: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1271: foreach my $grp (@{$grouppick}) { 1272: if (grep/^\Q$grp\E$/, 1273: keys(%{$$classgroups{$poster}{active}})) { 1274: $showflag = 1; 1275: last; 1276: } 1277: } 1278: } 1279: if ($showflag) { 1280: $$shown{$idx} = 1; 1281: } else { 1282: $$shown{$idx} = 0; 1283: } 1284: } 1285: } else { 1286: $$shown{$idx} = 1; 1287: } 1288: } 1289: unless ($$notshown{$idx} == 1) { 1290: if ($prevread > 0 && $prevread <= $posttime) { 1291: $$newitem{$idx} = 1; 1292: $$discussionitems[$idx] .= ' 1293: <table border="0" width="100%"> 1294: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>'; 1295: } else { 1296: $$newitem{$idx} = 0; 1297: $$discussionitems[$idx] .= ' 1298: <table border="0" width="100%"> 1299: <tr><td align="left"> </td>'; 1300: } 1301: $$discussionitems[$idx] .= '<td align="left">  '. 1302: '<b>'.$subject.'</b>  '. 1303: $sender.' '.$vgrlink.' ('. 1304: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1305: if ($$dischash{$toggkey}) { 1306: $$discussionitems[$idx].='<td align="right">  '. 1307: $ctlink.'</td>'; 1308: } 1309: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1310: $message.'</blockquote>'; 1311: if ($contrib{$idx.':history'}) { 1312: my @postversions = (); 1313: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1314: if ($seeid) { 1315: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1316: $$discussionitems[$idx] .= &group_args($group); 1317: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1318: } 1319: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1320: if ($contrib{$idx.':history'} =~ m/:/) { 1321: @postversions = split(/:/,$contrib{$idx.':history'}); 1322: } else { 1323: @postversions = ("$contrib{$idx.':history'}"); 1324: } 1325: for (my $i=0; $i<@postversions; $i++) { 1326: my $version = $i+1; 1327: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1328: } 1329: } 1330: } 1331: } 1332: } 1333: } 1334: } 1335: } 1336: } 1337: 1338: sub filter_regexp { 1339: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1340: my ($roleregexp,$secregexp,$statusregexp); 1341: my $skiptest = 1; 1342: if (@{$rolefilter} > 0) { 1343: my @okrolefilter = (); 1344: foreach my $role (@{$rolefilter}) { 1345: unless ($role eq '') { 1346: push(@okrolefilter, $role); 1347: } 1348: } 1349: if (@okrolefilter > 0) { 1350: if (grep/^all$/,@okrolefilter) { 1351: $roleregexp='[^:]+'; 1352: } else { 1353: if (@okrolefilter == 1) { 1354: $roleregexp=$okrolefilter[0]; 1355: } else { 1356: $roleregexp='('.join('|',@okrolefilter).')'; 1357: } 1358: $skiptest = 0; 1359: } 1360: } 1361: } 1362: if (@{$sectionpick} > 0) { 1363: my @oksectionpick = (); 1364: foreach my $sec (@{$sectionpick}) { 1365: unless ($sec eq '') { 1366: push(@oksectionpick, $sec); 1367: } 1368: } 1369: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1370: if (@oksectionpick == 1) { 1371: $secregexp = $oksectionpick[0]; 1372: } else { 1373: $secregexp .= '('.join('|',@oksectionpick).')'; 1374: } 1375: $skiptest = 0; 1376: } else { 1377: $secregexp .= '[^:]*'; 1378: } 1379: } 1380: 1381: if (defined($statusfilter) && $statusfilter ne '') { 1382: if ($statusfilter eq 'all') { 1383: $statusregexp = '[^:]+'; 1384: } else { 1385: $statusregexp = $statusfilter; 1386: $skiptest = 0; 1387: } 1388: } 1389: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1390: } 1391: 1392: 1393: sub get_post_contents { 1394: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1395: my $discussion = ''; 1396: my $start=$numver; 1397: my $end=$numver + 1; 1398: %{$$imsfiles{$idx}}=(); 1399: if ($type eq 'allversions') { 1400: unless($seeid) { 1401: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1402: return $discussion; 1403: } 1404: } 1405: # $$screenname=&Apache::loncommon::screenname( 1406: # $$contrib{$idx.':sendername'}, 1407: # $$contrib{$idx.':senderdomain'}); 1408: $$plainname=&Apache::loncommon::nickname( 1409: $$contrib{$idx.':sendername'}, 1410: $$contrib{$idx.':senderdomain'}); 1411: $$screenname=$$contrib{$idx.':screenname'}; 1412: 1413: my $sender=&Apache::loncommon::aboutmewrapper( 1414: $$plainname, 1415: $$contrib{$idx.':sendername'}, 1416: $$contrib{$idx.':senderdomain'}).' ('. 1417: $$contrib{$idx.':sendername'}.':'. 1418: $$contrib{$idx.':senderdomain'}.')'; 1419: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1420: my @postversions = (); 1421: if ($type eq 'allversions' || $type eq 'export') { 1422: $start = 0; 1423: if ($$contrib{$idx.':history'}) { 1424: @postversions = split(/:/,$$contrib{$idx.':history'}); 1425: } 1426: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1427: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1428: push(@postversions,$$contrib{$idx.':timestamp'}); 1429: $end = @postversions; 1430: } else { 1431: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1432: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1433: } 1434: 1435: if ($$contrib{$idx.':anonymous'}) { 1436: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1437: } 1438: if ($type eq 'allversions') { 1439: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1440: } 1441: for (my $i=$start; $i<$end; $i++) { 1442: my ($timesent,$attachmsg); 1443: my %currattach = (); 1444: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1445: unless (&contains_block_html($messages->{$i})) { 1446: &newline_to_br(\$messages->{$i}); 1447: } 1448: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1449: $$subjects{$i}=~s/\n/\<br \/\>/g; 1450: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1451: if ($attachmenturls) { 1452: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1453: } 1454: if ($type eq 'export') { 1455: $$imsfiles{$idx}{$i} = ''; 1456: if ($attachmsg) { 1457: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1458: foreach my $key (sort(keys(%currattach))) { 1459: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1460: my $fname = $1.$3.'/'.$4; 1461: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1462: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1463: } 1464: } 1465: } 1466: } else { 1467: if ($attachmsg) { 1468: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1469: } else { 1470: $$attachtxt{$i} = ''; 1471: } 1472: } 1473: if ($type eq 'allversions') { 1474: $discussion.= <<"END"; 1475: <li><b>$$subjects{$i}</b>, $timesent<br /> 1476: $$messages{$i}<br /> 1477: $$attachtxt{$i}</li> 1478: END 1479: } 1480: } 1481: if ($type eq 'allversions') { 1482: $discussion.='</ul>'; 1483: return $discussion; 1484: } else { 1485: return; 1486: } 1487: } 1488: 1489: sub replicate_attachments { 1490: my ($attachrefs,$tempexport) = @_; 1491: my $response; 1492: foreach my $id (keys(%{$attachrefs})) { 1493: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1494: my $path = $tempexport; 1495: my $tail = $1.'/'.$2.$4; 1496: my @extras = split(/\//,$tail); 1497: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1498: if (!-e $destination) { 1499: my $i= 0; 1500: while ($i<@extras) { 1501: $path .= '/'.$extras[$i]; 1502: if (!-e $path) { 1503: mkdir($path,0700); 1504: } 1505: $i ++; 1506: } 1507: my ($content,$rtncode); 1508: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1509: if ($uploadreply eq 'ok') { 1510: my $attachcopy; 1511: if ($attachcopy = Apache::File->new('>'.$destination)) { 1512: print $attachcopy $content; 1513: close($attachcopy); 1514: } else { 1515: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1516: } 1517: } else { 1518: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1519: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1520: } 1521: } 1522: } 1523: } 1524: return $response; 1525: } 1526: 1527: sub mail_screen { 1528: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1529: if (exists($env{'form.origpage'})) { 1530: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1531: } 1532: 1533: my %lt = &Apache::lonlocal::texthash( 1534: 'myqu' => 'My question/comment/feedback:', 1535: 'title' => 'Title', 1536: 'reta' => 'Retained attachments', 1537: 'atta' => 'Attachment', 1538: ); 1539: my $restitle = &get_resource_title($caller_symb,$feedurl); 1540: my $quote=''; 1541: my $subject = ''; 1542: my $comment = ''; 1543: my $prevtag = ''; 1544: my $parentmsg = ''; 1545: my ($symb,$idx,$attachmenturls); 1546: my $numoldver = 0; 1547: my $attachmsg = ''; 1548: my $newattachmsg = ''; 1549: my @currnewattach = (); 1550: my @currdelold = (); 1551: my @keepold = (); 1552: my %attachments = (); 1553: my %currattach = (); 1554: my $attachnum = 0; 1555: my $anonchk = (<<END); 1556: function anonchk() { 1557: for (var i=0; i < document.mailform.discuss.length; i++) { 1558: if (document.mailform.discuss[i].checked) { 1559: document.attachment.discuss.value = 1560: document.mailform.discuss[i].value; 1561: } 1562: } 1563: if (document.mailform.blog.checked) { 1564: document.attachment.blog.value = 1; 1565: } 1566: return 1567: } 1568: END 1569: my $anonscript; 1570: if (exists($env{'form.origpage'})) { 1571: $anonscript = (<<END); 1572: function setposttype() { 1573: var disc = "$env{'form.discuss'}"; 1574: for (var i=0; i < document.mailform.discuss.length; i++) { 1575: if (disc == document.mailform.discuss[i].value) { 1576: document.mailform.discuss[i].checked = 1; 1577: } 1578: } 1579: var blog = "$env{'form.blog'}"; 1580: if (blog == 1) { 1581: document.mailform.blog.checked=1; 1582: } 1583: return 1584: } 1585: END 1586: } else { 1587: $anonscript = (<<END); 1588: function setposttype() { 1589: return 1590: } 1591: END 1592: } 1593: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1594: if ($env{'form.replydisc'}) { 1595: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1596: } else { 1597: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1598: } 1599: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1600: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1601: $env{'course.'.$env{'request.course.id'}.'.num'}); 1602: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1603: if ($contrib{$idx.':history'}) { 1604: if ($contrib{$idx.':history'} =~ /:/) { 1605: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1606: $numoldver = @oldversions; 1607: } else { 1608: $numoldver = 1; 1609: } 1610: } 1611: if ($env{'form.replydisc'}) { 1612: if ($contrib{$idx.':history'}) { 1613: if ($contrib{$idx.':history'} =~ /:/) { 1614: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1615: $numoldver = @oldversions; 1616: } else { 1617: $numoldver = 1; 1618: } 1619: } 1620: if ($idx > 0) { 1621: my %msgversions = (); 1622: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1623: $quote = $msgversions{$numoldver}; 1624: } 1625: if ($idx > 0) { 1626: my %subversions = (); 1627: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1628: $subject = &mt('Re: ').$subversions{$numoldver}; 1629: } 1630: $subject = &HTML::Entities::encode($subject,'<>&"'); 1631: } else { 1632: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1633: if ($idx > 0) { 1634: my %msgversions = (); 1635: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1636: $comment = $msgversions{$numoldver}; 1637: my %subversions = (); 1638: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1639: $subject = $subversions{$numoldver}; 1640: } 1641: if (defined($contrib{$idx.':replyto'})) { 1642: $parentmsg = $contrib{$idx.':replyto'}; 1643: } 1644: unless (exists($env{'form.origpage'})) { 1645: my $anonflag = 'nonanon'; 1646: if ($contrib{$idx.':anonymous'}) { 1647: $anonflag = 'anon'; 1648: } 1649: $anonscript = (<<END); 1650: function setposttype () { 1651: var currtype = "$anonflag"; 1652: for (var i=0; i<document.mailform.discuss.length; i++) { 1653: if (document.mailform.elements.discuss[i].value == currtype ) { 1654: document.mailform.elements.discuss[i].checked=1; 1655: } 1656: } 1657: return 1658: } 1659: END 1660: } 1661: } 1662: } 1663: if ($env{'form.previous'}) { 1664: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1665: } 1666: } 1667: 1668: if ($env{'form.origpage'}) { 1669: $subject = &unescape($env{'form.subject'}); 1670: $comment = &unescape($env{'form.comment'}); 1671: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1672: } 1673: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1674: my $send=&mt('Send'); 1675: my $alert = &mt('Please select a feedback type.'); 1676: my $js= <<END; 1677: <script type="text/javascript"> 1678: // 1712: </script> 1713: END 1714: 1715: my ($textareaheader,$textareaclass); 1716: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1717: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1718: $textareaclass = 'class="LC_richDefaultOff"'; 1719: if ($env{'request.course.id'}) { 1720: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1721: undef($textareaclass); 1722: } 1723: } 1724: } 1725: 1726: # Breadcrumbs 1727: my $brcrum = [{'href' => '', 1728: 'text' => 'Resource Feedback and Discussion'}]; 1729: 1730: my %onload = ('onload' => 'window.focus();setposttype();'); 1731: my $start_page= 1732: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1733: {'add_entries' => \%onload, 1734: 'bread_crumbs' => $brcrum,}); 1735: 1736: if ($quote ne '') { 1737: $quote = &HTML::Entities::decode($quote); 1738: unless (&contains_block_html($quote)) { 1739: &newline_to_br(\$quote); 1740: } 1741: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1742: } 1743: 1744: $r->print(<<END); 1745: $start_page 1746: <h2><tt>$restitle</tt></h2> 1747: <form action="/adm/feedback" method="post" name="mailform" 1748: enctype="multipart/form-data"> 1749: $prevtag 1750: <input type="hidden" name="postdata" value="$feedurl" /> 1751: END 1752: if ($env{'form.replydisc'}) { 1753: $r->print(<<END); 1754: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1755: END 1756: } elsif ($env{'form.editdisc'}) { 1757: $r->print(<<END); 1758: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1759: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1760: END 1761: } 1762: $r->print(<<END); 1763: $options<hr /> 1764: $quote 1765: <p>$lt{'myqu'} 1766: $textareaheader 1767: </p> 1768: <p> 1769: $latexHelp 1770: </p> 1771: <p> 1772: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1773: <p> 1774: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1775: </textarea></p> 1776: END 1777: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1778: if ($env{'form.origpage'}) { 1779: foreach my $attach (@currnewattach) { 1780: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1781: } 1782: foreach my $oldatt (@currdelold) { 1783: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1784: } 1785: } 1786: if ($env{'form.editdisc'}) { 1787: if ($attachmenturls) { 1788: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1789: $attachnum = scalar(keys(%currattach)); 1790: foreach my $key (keys(%currattach)) { 1791: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1792: } 1793: } 1794: } 1795: } else { 1796: $r->print(<<END); 1797: <p> 1798: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1799: </p> 1800: END 1801: } 1802: if (exists($env{'form.group'})) { 1803: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1804: } 1805: if (exists($env{'form.ref'})) { 1806: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1807: } 1808: $r->print(<<END); 1809: <p> 1810: <input type="hidden" name="sendit" value="1" /> 1811: <input type="button" value="$send" onclick='gosubmit();' /> 1812: </p> 1813: </form> 1814: END 1815: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1816: my $now = time; 1817: my $ressymb = $symb; 1818: &Apache::lonenc::check_encrypt(\$ressymb); 1819: my $postidx = ''; 1820: if ($env{'form.editdisc'}) { 1821: $postidx = $idx; 1822: } 1823: if (@currnewattach > 0) { 1824: $attachnum += @currnewattach; 1825: } 1826: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1827: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1828: if ($attachnum > 0) { 1829: if (@currnewattach > 0) { 1830: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1831: if (@currnewattach > 1) { 1832: $newattachmsg .= '<ol>'; 1833: foreach my $item (@currnewattach) { 1834: $item =~ m#.*/([^/]+)$#; 1835: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1836: } 1837: $newattachmsg .= '</ol>'."\n"; 1838: } else { 1839: $currnewattach[0] =~ m#.*/([^/]+)$#; 1840: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1841: } 1842: } 1843: if ($attachmsg) { 1844: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1845: } 1846: if ($newattachmsg) { 1847: $r->print("$newattachmsg<br />"); 1848: } 1849: } 1850: } 1851: $r->print(&generate_preview_button(). 1852: &Apache::loncommon::end_page()); 1853: 1854: } 1855: 1856: sub print_display_options { 1857: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1858: &Apache::loncommon::content_type($r,'text/html'); 1859: $r->send_http_header; 1860: 1861: my $function = &Apache::loncommon::get_users_function(); 1862: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1863: $env{'user.domain'}); 1864: 1865: my %lt = &Apache::lonlocal::texthash( 1866: 'pref' => 'Display Preference', 1867: 'curr' => 'Current setting ', 1868: 'actn' => 'Action', 1869: 'deff' => 'Default for all discussions', 1870: 'prca' => 'Preferences can be set for this discussion that determine ....', 1871: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1872: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1873: 'wipa' => 'Whether individual posts can be marked as read/unread', 1874: 'allposts' => 'All posts', 1875: 'unread' => 'New posts only', 1876: 'unmark' => 'Posts not marked read', 1877: 'ondisp' => 'Once displayed', 1878: 'onmark' => 'Once marked not NEW', 1879: 'toggon' => 'Shown', 1880: 'toggoff' => 'Not shown', 1881: 'disa' => 'Posts displayed?', 1882: 'npmr' => 'New posts cease to be identified as "NEW"?', 1883: 'dotm' => 'Option to mark each post as read/unread?', 1884: 'chgt' => 'Change to ', 1885: 'mkdf' => 'Set to ', 1886: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1887: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1888: ); 1889: 1890: my $dispchangeA = $lt{'unread'}; 1891: my $dispchangeB = $lt{'unmark'}; 1892: my $markchange = $lt{'ondisp'}; 1893: my $toggchange = $lt{'toggon'}; 1894: my $currdisp = $lt{'allposts'}; 1895: my $currmark = $lt{'onmark'}; 1896: my $discdisp = 'allposts'; 1897: my $discmark = 'onmark'; 1898: my $currtogg = $lt{'toggoff'}; 1899: my $disctogg = 'toggoff'; 1900: 1901: if ($dispchgA eq 'allposts') { 1902: $dispchangeA = $lt{'allposts'}; 1903: $currdisp = $lt{'unread'}; 1904: $discdisp = 'unread'; 1905: } 1906: 1907: if ($markchg eq 'markonread') { 1908: $markchange = $lt{'onmark'}; 1909: $currmark = $lt{'ondisp'}; 1910: $discmark = 'ondisp'; 1911: } 1912: 1913: if ($dispchgB eq 'onlyunread') { 1914: $dispchangeB = $lt{'unread'}; 1915: $currdisp = $lt{'unmark'}; 1916: $discdisp = 'unmark'; 1917: } 1918: if ($toggchg eq 'toggoff') { 1919: $toggchange = $lt{'toggoff'}; 1920: $currtogg = $lt{'toggon'}; 1921: $disctogg = 'toggon'; 1922: } 1923: 1924: my $js = <<END; 1925: <script type="text/javascript"> 1926: function discdispChk(caller) { 1927: var disctogg = '$toggchg' 1928: if (caller == 0) { 1929: if (document.modifydisp.discdisp[0].checked == true) { 1930: if (document.modifydisp.discdisp[1].checked == true) { 1931: document.modifydisp.discdisp[1].checked = false 1932: } 1933: } 1934: } 1935: if (caller == 1) { 1936: if (document.modifydisp.discdisp[1].checked == true) { 1937: if (document.modifydisp.discdisp[0].checked == true) { 1938: document.modifydisp.discdisp[0].checked = false 1939: } 1940: if (disctogg == 'toggon') { 1941: document.modifydisp.disctogg.checked = true 1942: } 1943: if (disctogg == 'toggoff') { 1944: document.modifydisp.disctogg.checked = false 1945: } 1946: } 1947: } 1948: if (caller == 2) { 1949: var dispchgB = '$dispchgB' 1950: if (disctogg == 'toggoff') { 1951: if (document.modifydisp.disctogg.checked == true) { 1952: if (dispchgB == 'onlyunmark') { 1953: document.modifydisp.discdisp[1].checked = false 1954: } 1955: } 1956: } 1957: } 1958: } 1959: 1960: function setDisp() { 1961: var prev = "$previous" 1962: var chktotal = 0 1963: if (document.modifydisp.discdisp[0].checked == true) { 1964: document.modifydisp.$dispchgA.value = "$symb" 1965: chktotal ++ 1966: } 1967: if (document.modifydisp.discdisp[1].checked == true) { 1968: document.modifydisp.$dispchgB.value = "$symb" 1969: chktotal ++ 1970: } 1971: if (document.modifydisp.discmark.checked == true) { 1972: document.modifydisp.$markchg.value = "$symb" 1973: chktotal ++ 1974: } 1975: if (document.modifydisp.disctogg.checked == true) { 1976: document.modifydisp.$toggchg.value = "$symb" 1977: chktotal ++ 1978: } 1979: if (chktotal > 0) { 1980: document.modifydisp.submit() 1981: } else { 1982: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1983: if (prev > 0) { 1984: location.href = "$feedurl?previous=$previous" 1985: } else { 1986: location.href = "$feedurl" 1987: } 1988: } 1989: } 1990: } 1991: </script> 1992: END 1993: 1994: 1995: my $start_page = 1996: &Apache::loncommon::start_page('Discussion display options',$js); 1997: my $end_page = 1998: &Apache::loncommon::end_page(); 1999: $r->print(<<END); 2000: $start_page 2001: <form name="modifydisp" method="post" action="/adm/feedback"> 2002: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2003: <br /> 2004: END 2005: $r->print(&Apache::loncommon::start_data_table()); 2006: $r->print(<<END); 2007: <tr> 2008: <th>$lt{'pref'}</td> 2009: <th>$lt{'curr'}</td> 2010: <th>$lt{'actn'}?</td> 2011: </tr> 2012: END 2013: $r->print(&Apache::loncommon::start_data_table_row()); 2014: $r->print(<<END); 2015: <td>$lt{'disa'}</td> 2016: <td>$lt{$discdisp}</td> 2017: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2018: <br /> 2019: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2020: </td> 2021: END 2022: $r->print(&Apache::loncommon::end_data_table_row()); 2023: $r->print(&Apache::loncommon::start_data_table_row()); 2024: $r->print(<<END); 2025: <td>$lt{'npmr'}</td> 2026: <td>$lt{$discmark}</td> 2027: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2028: END 2029: $r->print(&Apache::loncommon::end_data_table_row()); 2030: $r->print(&Apache::loncommon::start_data_table_row()); 2031: $r->print(<<END); 2032: <td>$lt{'dotm'}</td> 2033: <td>$lt{$disctogg}</td> 2034: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2035: END 2036: my $save = &mt('Save'); 2037: $r->print(&Apache::loncommon::end_data_table_row()); 2038: $r->print(&Apache::loncommon::end_data_table()); 2039: $r->print(<<END); 2040: <br /> 2041: <br /> 2042: <input type="hidden" name="symb" value="$symb" /> 2043: <input type="hidden" name="previous" value="$previous" /> 2044: <input type="hidden" name="$dispchgA" value="" /> 2045: <input type="hidden" name="$dispchgB" value="" /> 2046: <input type="hidden" name="$markchg" value="" /> 2047: <input type="hidden" name="$toggchg" value="" /> 2048: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2049: END 2050: if (exists($env{'form.group'})) { 2051: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2052: } 2053: if (exists($env{'form.ref'})) { 2054: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2055: } 2056: $r->print(" 2057: <br /> 2058: <br /> 2059: </form> 2060: $end_page 2061: "); 2062: return; 2063: } 2064: 2065: sub print_sortfilter_options { 2066: my ($r,$symb,$previous,$feedurl) = @_; 2067: 2068: &Apache::loncommon::content_type($r,'text/html'); 2069: $r->send_http_header; 2070: 2071: &Apache::lonenc::check_encrypt(\$symb); 2072: my @sections; 2073: my $section_sel = ''; 2074: my $numvisible = 5; 2075: my @groups; 2076: my $group_sel = ''; 2077: my $numgroupvis = 5; 2078: my %sectioncount = &Apache::loncommon::get_sections(); 2079: my @courseroles = qw(st ad ep ta in); 2080: my $crstype = &Apache::loncommon::course_type(); 2081: my $ccrole = 'cc'; 2082: if ($crstype eq 'Community') { 2083: $ccrole = 'co'; 2084: } 2085: push(@courseroles,$ccrole); 2086: 2087: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2088: @sections = ('all',$env{'request.course.sec'}); 2089: $numvisible = 2; 2090: } else { 2091: @sections = sort {$a cmp $b} keys(%sectioncount); 2092: if (scalar(@sections) < 4) { 2093: $numvisible = scalar(@sections) + 1; 2094: } 2095: unshift(@sections,'all'); # Put 'all' at the front of the list 2096: 2097: } 2098: foreach my $sec (@sections) { 2099: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2100: } 2101: 2102: if (&check_group_priv() eq 'ok') { 2103: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2104: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2105: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2106: @groups = sort {$a cmp $b} keys(%curr_groups); 2107: if (scalar(@groups) < 4) { 2108: $numgroupvis = scalar(@groups) + 1; 2109: } 2110: unshift(@groups,'all'); # Put 'all' at the front of the list 2111: } else { 2112: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2113: if (@coursegroups > 0) { 2114: @coursegroups = sort {$a cmp $b} @coursegroups; 2115: @groups = ('all',@coursegroups); 2116: if (scalar(@groups) < 4) { 2117: $numgroupvis = scalar(@groups) + 1; 2118: } 2119: } else { 2120: @groups = ('all'); 2121: $numgroupvis = 1; 2122: } 2123: } 2124: foreach my $group (@groups) { 2125: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2126: } 2127: 2128: my $function = &Apache::loncommon::get_users_function(); 2129: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2130: $env{'user.domain'}); 2131: my %lt = &Apache::lonlocal::texthash( 2132: 'diop' => 'Display Options', 2133: 'curr' => 'Current setting ', 2134: 'actn' => 'Action', 2135: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2136: 'soor' => 'Sort order', 2137: 'spur' => 'Specific user roles', 2138: 'sprs' => 'Specific role status', 2139: 'spse' => 'Specific sections', 2140: 'spgr' => 'Specific groups', 2141: 'psub' => 'Pick specific users (by name)', 2142: 'shal' => 'Show a list of current posters', 2143: 'stor' => 'Save changes', 2144: ); 2145: 2146: my %sort_types = (); 2147: my %role_types = (); 2148: my %status_types = (); 2149: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2150: 2151: my $js = <<END; 2152: <script type="text/javascript"> 2153: function verifyFilter() { 2154: var rolenum = 0 2155: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2156: if (document.modifyshown.rolefilter.options[i].selected == true) { 2157: rolenum ++ 2158: } 2159: } 2160: if (rolenum == 0) { 2161: document.modifyshown.rolefilter.options[0].selected = true 2162: } 2163: 2164: var secnum = 0 2165: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2166: if (document.modifyshown.sectionpick.options[i].selected == true) { 2167: secnum ++ 2168: } 2169: } 2170: if (secnum == 0) { 2171: document.modifyshown.sectionpick.options[0].selected = true 2172: } 2173: 2174: var grpnum = 0 2175: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2176: if (document.modifyshown.grouppick.options[i].selected == true) { 2177: grpnum ++ 2178: } 2179: } 2180: if (grpnum == 0) { 2181: document.modifyshown.grouppick.options[0].selected = true 2182: } 2183: 2184: document.modifyshown.submit(); 2185: } 2186: </script> 2187: END 2188: 2189: my $start_page= 2190: &Apache::loncommon::start_page('Discussion options',$js); 2191: my $end_page= 2192: &Apache::loncommon::end_page(); 2193: 2194: $r->print(<<END); 2195: $start_page 2196: <form name="modifyshown" method="post" action="/adm/feedback"> 2197: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2198: <br /><br /> 2199: <table border="0"> 2200: <tr> 2201: <th>$lt{'soor'}</th> 2202: <th> </th> 2203: <th>$lt{'sprs'}</th> 2204: <th> </th> 2205: <th>$lt{'spur'}</th> 2206: <th> </th> 2207: <th>$lt{'spse'}</th> 2208: <th> </th> 2209: <th>$lt{'spgr'}</th> 2210: <th> </th> 2211: <th>$lt{'psub'}</th> 2212: </tr> 2213: <tr> 2214: <td align="center" valign="top"> 2215: <select name="sortposts"> 2216: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2217: <option value="descdate">$sort_types{'descdate'}</option> 2218: <option value="thread">$sort_types{'thread'}</option> 2219: <option value="subject">$sort_types{'subject'}</option> 2220: <option value="username">$sort_types{'username'}</option> 2221: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2222: </select> 2223: </td> 2224: <td> </td> 2225: <td align="center" valign="top"> 2226: <select name="statusfilter"> 2227: <option value="all" selected="selected">$status_types{'all'}</option> 2228: <option value="Active">$status_types{'Active'}</option> 2229: <option value="Expired">$status_types{'Expired'}</option> 2230: <option value="Future">$status_types{'Future'}</option> 2231: </select> 2232: </td> 2233: <td> </td> 2234: <td align="center" valign="top"> 2235: <select name="rolefilter" multiple="multiple" size="5"> 2236: <option value="all">$role_types{'all'}</option> 2237: <option value="st">$role_types{'st'}</option> 2238: <option value="$ccrole">$role_types{$ccrole}</option> 2239: <option value="in">$role_types{'in'}</option> 2240: <option value="ta">$role_types{'ta'}</option> 2241: <option value="ep">$role_types{'ep'}</option> 2242: <option value="ad">$role_types{'ad'}</option> 2243: <option value="cr">$role_types{'cr'}</option> 2244: </select> 2245: </td> 2246: <td> </td> 2247: <td align="center" valign="top"> 2248: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2249: $section_sel 2250: </select> 2251: </td> 2252: <td> </td> 2253: <td align="center" valign="top"> 2254: <select name="grouppick" multiple="multiple" size="$numvisible"> 2255: $group_sel 2256: </select> 2257: </td> 2258: <td> </td> 2259: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2260: </tr> 2261: </table> 2262: <br /> 2263: <br /> 2264: <input type="hidden" name="previous" value="$previous" /> 2265: <input type="hidden" name="applysort" value="$symb" /> 2266: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2267: END 2268: if (exists($env{'form.group'})) { 2269: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2270: } 2271: if (exists($env{'form.ref'})) { 2272: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2273: } 2274: $r->print(" 2275: <br /> 2276: <br /> 2277: </form> 2278: $end_page 2279: "); 2280: } 2281: 2282: sub print_showposters { 2283: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2284: 2285: &Apache::loncommon::content_type($r,'text/html'); 2286: $r->send_http_header; 2287: 2288: &Apache::lonenc::check_encrypt(\$symb); 2289: my $crs='/'.$env{'request.course.id'}; 2290: if ($env{'request.course.sec'}) { 2291: $crs.='_'.$env{'request.course.sec'}; 2292: } 2293: $crs=~s/\_/\//g; 2294: my $seeid; 2295: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2296: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2297: my $group = $env{'form.group'}; 2298: my $ressymb = &wrap_symb($symb); 2299: if (($group ne '') && 2300: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2301: if (&check_group_priv($group,'dgp') eq 'ok') { 2302: $seeid = 1; 2303: } 2304: } else { 2305: $seeid=&Apache::lonnet::allowed('rin',$crs); 2306: } 2307: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2308: $cdom,$cnum); 2309: my %namesort = (); 2310: my %postcounts = (); 2311: 2312: my %lt = &Apache::lonlocal::texthash( 2313: sele => 'Select', 2314: full => 'Fullname', 2315: usdo => 'Username:domain', 2316: post => 'Posts', 2317: ); 2318: if ($contrib{'version'}) { 2319: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2320: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2321: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2322: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2323: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2324: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2325: my $lastname = $names{'lastname'}; 2326: my $firstname = $names{'firstname'}; 2327: if ($lastname eq '') { 2328: $lastname = '_'; 2329: } 2330: if ($firstname eq '') { 2331: $firstname = '_'; 2332: } 2333: unless (defined($namesort{$lastname})) { 2334: %{$namesort{$lastname}} = (); 2335: } 2336: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2337: $postcounts{$poster} ++; 2338: if (defined($namesort{$lastname}{$firstname})) { 2339: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2340: push(@{$namesort{$lastname}{$firstname}}, $poster); 2341: } 2342: } else { 2343: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2344: } 2345: } 2346: } 2347: } 2348: } 2349: 2350: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2351: my $table_start =&Apache::loncommon::start_data_table(); 2352: $r->print(<<END); 2353: $start_page 2354: <form name="pickpostersform" method="post"> 2355: <br /> 2356: $table_start 2357: <tr> 2358: <th>#</th> 2359: <th>$lt{'sele'}</th> 2360: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2361: <th>$lt{'post'}</th> 2362: </tr> 2363: END 2364: my $count = 0; 2365: foreach my $last (sort(keys(%namesort))) { 2366: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2367: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2368: my ($uname,$udom) = split(/:/,$user); 2369: if (!$uname || !$udom) { 2370: next; 2371: } else { 2372: $count ++; 2373: $r->print(&Apache::loncommon::start_data_table_row(). 2374: '<td align="right">'.$count.'</td> 2375: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2376: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2377: <td>'.$postcounts{$user}.'</td>'. 2378: &Apache::loncommon::end_data_table_row()); 2379: } 2380: } 2381: } 2382: } 2383: $r->print(&Apache::loncommon::end_data_table()); 2384: my $end_page = &Apache::loncommon::end_page(); 2385: $r->print(<<END); 2386: <br /> 2387: <input type="hidden" name="sortposts" value="$sortposts" /> 2388: <input type="hidden" name="userpick" value="$symb" /> 2389: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2390: </form> 2391: $end_page 2392: END 2393: } 2394: 2395: sub get_post_versions { 2396: my ($versions,$incoming,$htmldecode,$numver) = @_; 2397: if ($incoming =~ /^<version num="0">/) { 2398: my $p = HTML::LCParser->new(\$incoming); 2399: my $done = 0; 2400: 2401: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2402: my $num = $token->[1]{num}; 2403: my $text = $p->get_text("/version"); 2404: if (defined($numver)) { 2405: if ($num == $numver) { 2406: if ($htmldecode) { 2407: $text = &HTML::Entities::decode($text); 2408: } 2409: $$versions{$numver}=$text; 2410: $done = 1; 2411: } 2412: } else { 2413: if ($htmldecode) { 2414: $text = &HTML::Entities::decode($text); 2415: } 2416: $$versions{$num}=$text; 2417: } 2418: } 2419: } else { 2420: if (!defined($numver)) { 2421: $numver = 0; 2422: } 2423: if ($htmldecode) { 2424: $$versions{$numver} = $incoming; 2425: } else { 2426: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2427: } 2428: } 2429: return; 2430: } 2431: 2432: sub get_post_attachments { 2433: my ($attachments,$attachmenturls) = @_; 2434: my $num; 2435: if ($attachmenturls =~ m/^<attachment id="0">/) { 2436: my $p = HTML::LCParser->new(\$attachmenturls); 2437: while (my $token = $p->get_tag("attachment","filename","post")) { 2438: if ($token->[0] eq "attachment") { 2439: $num = $token->[1]{id}; 2440: %{$$attachments{$num}} =(); 2441: } elsif ($token->[0] eq "filename") { 2442: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2443: } elsif ($token->[0] eq "post") { 2444: my $id = $token->[1]{id}; 2445: $$attachments{$num}{$id} = $p->get_text("/post"); 2446: } 2447: } 2448: } else { 2449: %{$$attachments{'0'}} = (); 2450: $$attachments{'0'}{'filename'} = $attachmenturls; 2451: $$attachments{'0'}{'0'} = 'n'; 2452: } 2453: 2454: return; 2455: } 2456: 2457: sub fail_redirect { 2458: my ($r,$feedurl) = @_; 2459: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2460: my %lt = &Apache::lonlocal::texthash( 2461: 'sorr' => 'Sorry, no recipients ...', 2462: ); 2463: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2464: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2465: {'redirect' => [2,$feedurl], 2466: 'only_body' => 1,})); 2467: $r->print(<<ENDFAILREDIR); 2468: <img align="right" src="$logo" /> 2469: <b>$lt{'sorr'}</b> 2470: ENDFAILREDIR 2471: $r->print(&Apache::loncommon::end_page()); 2472: } 2473: 2474: sub redirect_back { 2475: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2476: my $sorttag = ''; 2477: my $roletag = ''; 2478: my $statustag = ''; 2479: my $sectag = ''; 2480: my $grptag = ''; 2481: my $userpicktag = ''; 2482: my $qrystr = ''; 2483: my $prevtag = ''; 2484: 2485: &Apache::loncommon::content_type($r,'text/html'); 2486: $r->send_http_header; 2487: &dewrapper(\$feedurl); 2488: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2489: if ($previous > 0) { 2490: $qrystr = 'previous='.$previous; 2491: if ($feedurl =~ /\?register=1/) { 2492: $feedurl .= '&'.$qrystr; 2493: } else { 2494: $feedurl .= '?'.$qrystr; 2495: } 2496: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2497: } 2498: if (defined($sort)) { 2499: my $sortqry = 'sortposts='.$sort; 2500: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2501: $feedurl .= '&'.$sortqry; 2502: } else { 2503: $feedurl .= '?'.$sortqry; 2504: } 2505: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2506: if (defined($numpicks)) { 2507: my $userpickqry = 'totposters='.$numpicks; 2508: $feedurl .= '&'.$userpickqry; 2509: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2510: } else { 2511: if (ref($sectionpick) eq 'ARRAY') { 2512: $feedurl .= '&sectionpick='; 2513: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2514: foreach my $sec (@{$sectionpick}) { 2515: $feedurl .= $sec.','; 2516: $sectag .= $sec.','; 2517: } 2518: $feedurl =~ s/,$//; 2519: $sectag =~ s/,$//; 2520: $sectag .= '" />'; 2521: } else { 2522: $feedurl .= '&sectionpick='.$sectionpick; 2523: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2524: } 2525: if (ref($grouppick) eq 'ARRAY') { 2526: $feedurl .= '&grouppick='; 2527: $sectag .= '<input type="hidden" name="grouppick" value="'; 2528: foreach my $grp (@{$grouppick}) { 2529: $feedurl .= $grp.','; 2530: $grptag .= $grp.','; 2531: } 2532: $feedurl =~ s/,$//; 2533: $grptag =~ s/,$//; 2534: $grptag .= '" />'; 2535: } else { 2536: $feedurl .= '&grouppick='.$grouppick; 2537: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2538: } 2539: if (ref($rolefilter) eq 'ARRAY') { 2540: $feedurl .= '&rolefilter='; 2541: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2542: foreach my $role (@{$rolefilter}) { 2543: $feedurl .= $role.','; 2544: $roletag .= $role.','; 2545: } 2546: $feedurl =~ s/,$//; 2547: $roletag =~ s/,$//; 2548: $roletag .= '" />'; 2549: } else { 2550: $feedurl .= '&rolefilter='.$rolefilter; 2551: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2552: } 2553: $feedurl .= '&statusfilter='.$statusfilter; 2554: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2555: } 2556: } 2557: my $grouptag; 2558: if ($group ne '') { 2559: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2560: my $refarg; 2561: if (exists($env{'form.ref'})) { 2562: $refarg = '&ref='.$env{'form.ref'}; 2563: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2564: } 2565: if ($feedurl =~ /\?/) { 2566: $feedurl .= '&group='.$group.$refarg; 2567: } else { 2568: $feedurl .= '?group='.$group.$refarg; 2569: } 2570: } 2571: &Apache::lonenc::check_encrypt(\$feedurl); 2572: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2573: my %onload; 2574: my $start_page= 2575: &Apache::loncommon::start_page('Feedback sent',undef, 2576: {'redirect' => [0,$feedurl], 2577: 'only_body' => 1, 2578: 'add_entries' => \%onload}); 2579: my $end_page = &Apache::loncommon::end_page(); 2580: $r->print(<<ENDREDIR); 2581: $start_page 2582: <img align="right" src="$logo" /> 2583: $typestyle 2584: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2585: $blog 2586: $toolarge 2587: <font color="red">$status</font> 2588: <form name="reldt" action="$feedurl" target="loncapaclient"> 2589: $prevtag 2590: $sorttag 2591: $statustag 2592: $roletag 2593: $sectag 2594: $grptag 2595: $userpicktag 2596: $grouptag 2597: </form> 2598: $end_page 2599: ENDREDIR 2600: } 2601: 2602: sub no_redirect_back { 2603: my ($r,$feedurl) = @_; 2604: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2605: 2606: my %onload; 2607: 2608: my %body_options = ('only_body' => 1, 2609: 'bgcolor' => '#FFFFFF', 2610: 'add_entries' => \%onload,); 2611: 2612: if ($feedurl !~ m{^/adm/feedback}) { 2613: $body_options{'rediect'} = [2,$feedurl]; 2614: } 2615: my $start_page= 2616: &Apache::loncommon::start_page('Feedback not sent',undef, 2617: \%body_options); 2618: 2619: my $end_page = &Apache::loncommon::end_page(); 2620: 2621: &Apache::lonenc::check_encrypt(\$feedurl); 2622: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2623: $r->print (<<ENDNOREDIRTWO); 2624: $start_page 2625: <img align="right" src="$logo" /> 2626: <b>$nofeed</b> 2627: <br /> 2628: $end_page 2629: ENDNOREDIRTWO 2630: } 2631: 2632: sub screen_header { 2633: my ($feedurl,$symb,$group) = @_; 2634: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2635: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2636: my $contribdisc = &mt('Contribution to course discussion of resource'); 2637: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2638: my $namevis = &mt('name only visible to course faculty'); 2639: my $crstype; 2640: if ($env{'request.course.id'}) { 2641: $crstype = &Apache::loncommon::course_type(); 2642: if ($crstype eq 'Community') { 2643: $crscontent = &mt('Question/Comment/Feedback about community content'); 2644: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2645: $contribdisc = &mt('Contribution to community discussion of resource'); 2646: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2647: $namevis = &mt('name only visible to community facilitators'); 2648: } 2649: } 2650: my $msgoptions=''; 2651: my $discussoptions=''; 2652: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2653: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2654: $msgoptions= 2655: '<p><label><input type="radio" name="discuss" value="author" /> '. 2656: &mt('Feedback to resource author').'</label></p>'; 2657: } 2658: my %optionhash=(); 2659: foreach my $type ('question','comment','policy') { 2660: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2661: } 2662: if (&feedback_available(1)) { 2663: $msgoptions.= 2664: '<p><label><input type="radio" name="discuss" value="question" /> '. 2665: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2666: } 2667: if (&feedback_available(0,1)) { 2668: $msgoptions.= 2669: '<p><label><input type="radio" name="discuss" value="course" /> '. 2670: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2671: '</label></p>'; 2672: } 2673: if (&feedback_available(0,0,1)) { 2674: $msgoptions.= 2675: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2676: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2677: '</label></p>'; 2678: } 2679: } 2680: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2681: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2682: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2683: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2684: my $realsymb = $symb; 2685: if ($symb=~/^bulletin___/) { 2686: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2687: $filename=~s|^adm/wrapper/||; 2688: $realsymb=&Apache::lonnet::symbread($filename); 2689: } 2690: if (!$blocked && &discussion_open(undef,$realsymb) && 2691: (&Apache::lonnet::allowed('pch', 2692: $env{'request.course.id'}. 2693: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2694: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2695: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2696: $contribdisc. 2697: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2698: $anoncontrib. 2699: ' <i>('.$namevis.')</i></label> '. 2700: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2701: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2702: if (!$blockblog) { 2703: $discussoptions.= &add_blog_checkbox($crstype); 2704: } 2705: } 2706: } 2707: if ($msgoptions) { 2708: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2709: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2710: .$msgoptions; 2711: } 2712: if ($discussoptions) { 2713: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2714: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2715: .$discussoptions; 2716: } 2717: return $msgoptions.$discussoptions; 2718: } 2719: 2720: sub resource_output { 2721: my ($feedurl) = @_; 2722: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2723: $usersaw=~s/\<body[^\>]*\>//gi; 2724: $usersaw=~s/\<\/body\>//gi; 2725: $usersaw=~s/\<html\>//gi; 2726: $usersaw=~s/\<\/html\>//gi; 2727: $usersaw=~s/\<head\>//gi; 2728: $usersaw=~s/\<\/head\>//gi; 2729: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2730: return $usersaw; 2731: } 2732: 2733: sub clear_out_html { 2734: my ($message,$override)=@_; 2735: # Always allow the <m>-tag 2736: my %html=(M=>1); 2737: # Check if more is allowed 2738: my $cid=$env{'request.course.id'}; 2739: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2740: ($override)) { 2741: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2742: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2743: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2744: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2745: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2746: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2747: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2748: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2749: } 2750: # Do the substitution of everything that is not explicitly allowed 2751: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2752: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2753: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2754: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2755: return $message; 2756: } 2757: 2758: sub assemble_email { 2759: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2760: my %lt = &Apache::lonlocal::texthash( 2761: 'prev' => 'Previous attempts of student (if applicable)', 2762: 'orig' => 'Original screen output (if applicable)', 2763: 'corr' => 'Correct Answer(s) (if applicable)', 2764: ); 2765: if (&Apache::loncommon::course_type() eq 'Community') { 2766: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2767: } 2768: my $email=<<"ENDEMAIL"; 2769: $message 2770: ENDEMAIL 2771: my $citations=<<"ENDCITE"; 2772: <h2>$lt{'prev'}</h2> 2773: $prevattempts 2774: <br /><hr /> 2775: <h2>$lt{'orig'}</h2> 2776: $usersaw 2777: <h2>$lt{'corr'}</h2> 2778: $useranswer 2779: ENDCITE 2780: return ($email,$citations); 2781: } 2782: 2783: 2784: sub feedback_available { 2785: my ($question,$course,$policy)=@_; 2786: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2787: $course,$policy); 2788: return scalar(%to); 2789: } 2790: 2791: sub send_msg { 2792: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2793: my $status=''; 2794: my $sendsomething=0; 2795: my $restitle = &get_resource_title($symb,$feedurl); 2796: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2797: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2798: foreach my $key (keys(%to)) { 2799: if ($key) { 2800: my ($user,$domain) = split(/\:/,$key,2); 2801: if (!defined($user)) { 2802: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2803: } elsif (!defined($domain)) { 2804: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2805: } else { 2806: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2807: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2808: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2809: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2810: } else { 2811: $sendsomething++; 2812: } 2813: } 2814: } 2815: } 2816: 2817: 2818: my %record=&Apache::lonnet::restore('_feedback'); 2819: my ($temp)=keys(%record); 2820: unless ($temp=~/^error\:/) { 2821: my %newrecord=(); 2822: $newrecord{'resource'}=$feedurl; 2823: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2824: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2825: $status.='<br />'.&mt('Not registered').'<br />'; 2826: } 2827: } 2828: 2829: return ($status,$sendsomething); 2830: } 2831: 2832: sub adddiscuss { 2833: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2834: my $status=''; 2835: my $realsymb; 2836: if ($symb=~/^bulletin___/) { 2837: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2838: $filename=~s|^adm/wrapper/||; 2839: $realsymb=&Apache::lonnet::symbread($filename); 2840: } 2841: my ($cnum,$cdom); 2842: if ($env{'request.course.id'}) { 2843: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2844: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2845: } 2846: if (&discussion_open(undef,$realsymb) && 2847: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2848: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2849: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2850: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2851: 2852: my %contrib=('message' => $email, 2853: 'sendername' => $env{'user.name'}, 2854: 'senderdomain' => $env{'user.domain'}, 2855: 'screenname' => $env{'environment.screenname'}, 2856: 'plainname' => $env{'environment.firstname'}.' '. 2857: $env{'environment.middlename'}.' '. 2858: $env{'environment.lastname'}.' '. 2859: $env{'enrironment.generation'}, 2860: 'attachmenturl'=> $attachmenturl, 2861: 'subject' => $subject); 2862: if ($env{'form.replydisc'}) { 2863: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2864: } 2865: if ($anon) { 2866: $contrib{'anonymous'}='true'; 2867: } 2868: if (($symb) && ($email)) { 2869: my $now = time; 2870: if ($env{'form.editdisc'}) { 2871: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2872: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2873: $contrib{'timestamp'} = $now; 2874: $contrib{'history'} = ''; 2875: my $numoldver = 0; 2876: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2877: &Apache::lonenc::check_decrypt(\$oldsymb); 2878: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2879: # get timestamp for last post and history 2880: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2881: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2882: $env{'course.'.$env{'request.course.id'}.'.num'}); 2883: if (defined($oldcontrib{$oldidx.':replyto'})) { 2884: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2885: } 2886: if (defined($oldcontrib{$oldidx.':history'})) { 2887: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2888: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2889: $numoldver = @oldversions; 2890: } else { 2891: $numoldver = 1; 2892: } 2893: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2894: } 2895: my $numnewver = $numoldver + 1; 2896: if (defined($oldcontrib{$oldidx.':subject'})) { 2897: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2898: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2899: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2900: } else { 2901: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2902: } 2903: } 2904: if (defined($oldcontrib{$oldidx.':message'})) { 2905: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2906: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2907: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2908: } else { 2909: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2910: } 2911: } 2912: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2913: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2914: $oldsymb,$oldidx,\%contrib, 2915: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2916: $env{'course.'.$env{'request.course.id'}.'.num'}); 2917: $status='Editing class discussion'.($anon?' (anonymous)':''); 2918: } else { 2919: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2920: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2921: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2922: $env{'course.'.$env{'request.course.id'}.'.num'}); 2923: } 2924: my %storenewentry=($symb => $now); 2925: $status.='<br />'.&mt('Updating discussion time').': '. 2926: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2927: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2928: $env{'course.'.$env{'request.course.id'}.'.num'}); 2929: } 2930: my %record=&Apache::lonnet::restore('_discussion'); 2931: my ($temp)=keys(%record); 2932: unless ($temp=~/^error\:/) { 2933: my %newrecord=(); 2934: $newrecord{'resource'}=$symb; 2935: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2936: $status.='<br />'.&mt('Registering').': '. 2937: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2938: } 2939: } else { 2940: $status.='Failed.'; 2941: } 2942: return $status.'<br />'; 2943: } 2944: 2945: sub get_discussion_info { 2946: my ($idx,%contrib) = @_; 2947: my $changelast = 0; 2948: my $count = 0; 2949: my $hiddenflag = 0; 2950: my $deletedflag = 0; 2951: my ($hidden,$deleted,%info,$newlastdisc); 2952: my $version = $contrib{'version'}; 2953: if ($version) { 2954: for (my $id=$version; $id>0; $id--) { 2955: my $vkeys=$contrib{$id.':keys'}; 2956: my @keys=split(/:/,$vkeys); 2957: if (grep(/^hidden$/,@keys)) { 2958: if (!$hiddenflag) { 2959: $hidden = $contrib{$id.':hidden'}; 2960: $hiddenflag = 1; 2961: } 2962: } elsif (grep(/^deleted$/,@keys)) { 2963: if (!$deletedflag) { 2964: $deleted = $contrib{$id.':deleted'}; 2965: $deletedflag = 1; 2966: } 2967: } else { 2968: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2969: $count++; 2970: $info{$count}{'id'} = $id; 2971: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2972: } 2973: } 2974: } 2975: if ($info{'1'}{'id'} == $idx) { 2976: $changelast = 1; 2977: if ($count > 1) { 2978: $newlastdisc = $info{'2'}{'timestamp'}; 2979: } else { 2980: $newlastdisc = 0; 2981: } 2982: } 2983: } 2984: return ($changelast,$newlastdisc); 2985: } 2986: 2987: # ----------------------------------------------------------- Preview function 2988: 2989: sub show_preview { 2990: my ($r) = @_; 2991: &Apache::loncommon::content_type($r,'text/html'); 2992: $r->send_http_header; 2993: my $start_page= 2994: &Apache::loncommon::start_page('Preview',undef, 2995: {'only_body' => 1,}); 2996: 2997: my $message=&clear_out_html($env{'form.comment'}); 2998: &newline_to_br(\$message); 2999: $message=&Apache::lonspeller::markeduptext($message); 3000: $message=&Apache::lontexconvert::msgtexconverted($message); 3001: my $subject=&clear_out_html($env{'form.subject'}); 3002: $subject=~s/\n/\<br \/\>/g; 3003: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3004: 3005: my $end_page = &Apache::loncommon::end_page(); 3006: 3007: $r->print($start_page 3008: .'<h1>'.&mt('Preview').'</h1>' 3009: .&Apache::lonhtmlcommon::start_pick_box() 3010: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3011: .$subject 3012: .&Apache::lonhtmlcommon::row_closure() 3013: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3014: .$message 3015: .&Apache::lonhtmlcommon::row_closure(1) 3016: .&Apache::lonhtmlcommon::end_pick_box() 3017: .$end_page 3018: ); 3019: } 3020: 3021: sub contains_block_html { 3022: my ($message)=@_; 3023: return ($message =~ m{ 3024: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3025: \s* 3026: (\w+\=['"]\w+['"])* 3027: \s* 3028: ( 3029: \s*/>| 3030: >.*</\1\s*> 3031: )}xs 3032: ); 3033: } 3034: 3035: sub tidy_html { 3036: my ($message)=@_; 3037: # my $tidy = HTML::Tidy::libXML->new(); 3038: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3039: # $xhtml =~ m/<body>(.*)<\/body>/is; 3040: # my $clean = $1; 3041: # # remove any empty block-level tags 3042: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3043: # $message=$clean; 3044: return $message; 3045: } 3046: 3047: sub newline_to_br { 3048: my ($message)=@_; 3049: my $newmessage; 3050: my $parser=HTML::LCParser->new($message); 3051: while (my $token=$parser->get_token()) { 3052: if ($token->[0] eq 'T') { 3053: my $text=$token->[1]; 3054: $text=~s/\n/\<br \/\>/g; 3055: $newmessage.=$text; 3056: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3057: $newmessage.=$token->[1]; 3058: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3059: $newmessage.=$token->[2]; 3060: } elsif ($token->[0] eq 'S') { 3061: $newmessage.=$token->[4]; 3062: } 3063: 3064: } 3065: $$message=$newmessage; 3066: } 3067: 3068: sub generate_preview_button { 3069: my ($formname,$fieldname)=@_; 3070: unless ($formname) { $formname='mailform'; } 3071: unless ($fieldname) { $fieldname='comment'; } 3072: my $pre=&mt("Show Preview and Check Spelling"); 3073: return(<<ENDPREVIEW); 3074: <br /> 3075: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3076: <input type="hidden" name="subject" /> 3077: <input type="hidden" name="comment" /> 3078: <input type="button" value="$pre" 3079: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3080: </form> 3081: ENDPREVIEW 3082: } 3083: 3084: sub modify_attachments { 3085: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3086: $attachmaxtext,$toolarge)=@_; 3087: 3088: my %lt = &Apache::lonlocal::texthash( 3089: 'subj' => 'Subject', 3090: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3091: 'chth' => 'Check the checkboxes for any you wish to remove.', 3092: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3093: 'adda' => 'Add a new attachment to this post.', 3094: 'stch' => 'Save Changes', 3095: ); 3096: my $js = <<END; 3097: <script type="text/javascript"> 3098: function setAction () { 3099: document.modattachments.action = document.modattachments.origpage.value; 3100: document.modattachments.submit(); 3101: } 3102: </script> 3103: END 3104: 3105: # Breadcrumbs 3106: my $brcrum = [{'href' => '', 3107: 'text' => 'Discussion Post Attachments'}]; 3108: my $start_page = 3109: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3110: {'bread_crumbs' => $brcrum,}); 3111: 3112: my $orig_subject = &unescape($env{'form.subject'}); 3113: my $subject=&clear_out_html($orig_subject); 3114: $subject=~s/\n/\<br \/\>/g; 3115: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3116: my $timestamp=$env{'form.timestamp'}; 3117: my $numoldver=$env{'form.numoldver'}; 3118: 3119: my $msg = ''; 3120: my %attachments = (); 3121: my %currattach = (); 3122: if ($idx) { 3123: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3124: } 3125: &Apache::lonenc::check_encrypt(\$symb); 3126: 3127: my $end_page = 3128: &Apache::loncommon::end_page(); 3129: 3130: $r->print(<<END); 3131: $start_page 3132: $toolarge 3133: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3134: <br /> 3135: <table class="LC_data_table"> 3136: <tr> 3137: <td colspan="2"> 3138: <b>Subject:</b> <b>$subject</b><br /><br /> 3139: END 3140: if ($idx) { 3141: if ($attachmenturls) { 3142: my @currold = keys(%currattach); 3143: if (@currold > 0) { 3144: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3145: foreach my $id (@currold) { 3146: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3147: $attachurl =~ m#/([^/]+)$#; 3148: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3149: } 3150: $r->print("<br />"); 3151: } 3152: } 3153: } 3154: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3155: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3156: foreach my $attach (@{$currnewattach}) { 3157: $attach =~ m#/([^/]+)$#; 3158: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3159: } 3160: $r->print("<br />"); 3161: } 3162: $r->print(<<END); 3163: </td></tr> 3164: <tr> 3165: <td> 3166: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3167: </td> 3168: </tr> 3169: <tr> 3170: <td colspan="2">$attachmaxtext</td> 3171: </tr> 3172: </table> 3173: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3174: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3175: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3176: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3177: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3178: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3179: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3180: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3181: END 3182: foreach my $item (@{$currnewattach}) { 3183: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3184: } 3185: foreach my $item (@{$currdelold}) { 3186: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3187: } 3188: $r->print(<<END); 3189: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3190: </form> 3191: $end_page 3192: END 3193: return; 3194: } 3195: 3196: sub process_attachments { 3197: my ($currnewattach,$currdelold,$keepold) = @_; 3198: 3199: @{$currnewattach}= 3200: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3201: @{$currdelold}= 3202: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3203: if (exists($env{'form.delnewattach'})) { 3204: my @currdelnew = 3205: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3206: my @currnew = (); 3207: foreach my $newone (@{$currnewattach}) { 3208: my $delflag = 0; 3209: foreach my $item (@currdelnew) { 3210: if ($newone eq $item) { 3211: $delflag = 1; 3212: last; 3213: } 3214: } 3215: unless ($delflag) { 3216: push(@currnew, $newone); 3217: } 3218: } 3219: @{$currnewattach} = @currnew; 3220: } 3221: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3222: } 3223: 3224: sub generate_attachments_button { 3225: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3226: $numoldver,$mode,$blockblog) = @_; 3227: my $origpage = $ENV{'REQUEST_URI'}; 3228: my $att=$attachnum.' '.&mt("attachments"); 3229: my %lt = &Apache::lonlocal::texthash( 3230: 'clic' => 'Click to add/remove attachments', 3231: ); 3232: my $response = (<<END); 3233: <br /> 3234: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3235: $lt{'clic'}: <input type="button" value="$att" 3236: 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); 3237: END 3238: if (!$blockblog) { 3239: $response .= 'setblogvalue();'; 3240: } 3241: unless ($mode eq 'board') { 3242: $response .= 'javascript:anonchk();'; 3243: } 3244: $response .= (<<ENDATTACH); 3245: this.form.submit();" /> 3246: <input type="hidden" name="origpage" value="$origpage" /> 3247: <input type="hidden" name="idx" value="$idx" /> 3248: <input type="hidden" name="timestamp" value="$now" /> 3249: <input type="hidden" name="subject" /> 3250: <input type="hidden" name="comment" /> 3251: <input type="hidden" name="blog" value="0" /> 3252: <input type="hidden" name="discuss" value="0" /> 3253: <input type="hidden" name="numoldver" value="$numoldver" /> 3254: ENDATTACH 3255: if (defined($deloldattach)) { 3256: if (@{$deloldattach} > 0) { 3257: foreach my $delatt (@{$deloldattach}) { 3258: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3259: } 3260: } 3261: } 3262: if (defined($currnewattach)) { 3263: if (@{$currnewattach} > 0) { 3264: foreach my $attach (@{$currnewattach}) { 3265: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3266: } 3267: } 3268: } 3269: $response .= '</form>'; 3270: return $response; 3271: } 3272: 3273: sub extract_attachments { 3274: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3275: %{$attachments}=(); 3276: &get_post_attachments($attachments,$attachmenturls); 3277: foreach my $id (sort(keys(%{$attachments}))) { 3278: if (exists($$attachments{$id}{$numoldver})) { 3279: if (defined($currdelold)) { 3280: if (@{$currdelold} > 0) { 3281: unless (grep/^$id$/,@{$currdelold}) { 3282: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3283: } 3284: } else { 3285: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3286: } 3287: } else { 3288: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3289: } 3290: } 3291: } 3292: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3293: if (@attached == 1) { 3294: my $id = $attached[0]; 3295: my $attachurl; 3296: if ($attachmenturls =~ m/^<attachment id="0">/) { 3297: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3298: } else { 3299: $attachurl = $$attachments{$id}{'filename'}; 3300: } 3301: $attachurl=~m|/([^/]+)$|; 3302: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3303: $1.'</tt></a><br />'; 3304: &Apache::lonnet::allowuploaded('/adm/feedback', 3305: $attachurl); 3306: } elsif (@attached > 1) { 3307: $$message.='<ol>'; 3308: foreach my $attach (@attached) { 3309: my $id = $attach; 3310: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3311: my ($fname) 3312: =($attachurl=~m|/([^/]+)$|); 3313: $$message .= '<li><a href="'.$attachurl. 3314: '"><tt>'. 3315: $fname.'</tt></a></li>'; 3316: &Apache::lonnet::allowuploaded('/adm/feedback', 3317: $attachurl); 3318: } 3319: $$message .= '</ol>'; 3320: } 3321: } 3322: 3323: sub construct_attachmenturl { 3324: my ($currnewattach,$keepold,$symb,$idx)=@_; 3325: my $oldattachmenturl; 3326: my $newattachmenturl; 3327: my $startnum = 0; 3328: my $currver = 0; 3329: if (($env{'form.editdisc'}) && ($idx)) { 3330: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3331: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3332: $env{'course.'.$env{'request.course.id'}.'.num'}); 3333: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3334: if ($contrib{$idx.':history'}) { 3335: if ($contrib{$idx.':history'} =~ /:/) { 3336: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3337: $currver = 1 + scalar(@oldversions); 3338: } else { 3339: $currver = 2; 3340: } 3341: } else { 3342: $currver = 1; 3343: } 3344: if ($oldattachmenturl) { 3345: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3346: my %attachments = (); 3347: my $prevver = $currver-1; 3348: &get_post_attachments(\%attachments,$oldattachmenturl); 3349: my $numattach = scalar(keys(%attachments)); 3350: $startnum += $numattach; 3351: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3352: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3353: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3354: unless ($item eq 'filename') { 3355: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3356: } 3357: } 3358: if (grep/^$num$/,@{$keepold}) { 3359: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3360: } 3361: $newattachmenturl .= '</attachment>'; 3362: } 3363: } else { 3364: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3365: unless (grep/^0$/,@{$keepold}) { 3366: $newattachmenturl .= '<post id="1">n</post>'; 3367: } 3368: $newattachmenturl .= '</attachment>'; 3369: $startnum ++; 3370: } 3371: } 3372: } 3373: for (my $i=0; $i<@{$currnewattach}; $i++) { 3374: my $attachnum = $startnum + $i; 3375: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3376: } 3377: return $newattachmenturl; 3378: } 3379: 3380: sub add_blog_checkbox { 3381: my ($crstype) = @_; 3382: my $checkstatus; 3383: if ($env{'form.blog'}) { 3384: $checkstatus = 'checked="checked"'; 3385: } 3386: my $output = ' 3387: <script type="text/javascript"> 3388: function setblogvalue() { 3389: if (document.mailform.blog.checked) { 3390: document.attachment.blog.value = 1; 3391: } else { 3392: document.attachment.blog.value = 0; 3393: } 3394: } 3395: </script><br /> 3396: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3397: if ($crstype eq 'Community') { 3398: $output .= &mt('Add to my public community blog'); 3399: } else { 3400: $output .= &mt('Add to my public course blog'); 3401: } 3402: $output .= '</label><br />'."\n"; 3403: return $output; 3404: } 3405: 3406: sub has_discussion { 3407: my $resourcesref = shift; 3408: my $navmap = Apache::lonnavmaps::navmap->new(); 3409: if (defined($navmap)) { 3410: my @allres=$navmap->retrieveResources(); 3411: foreach my $resource (@allres) { 3412: if ($resource->hasDiscussion()) { 3413: my $ressymb = $resource->wrap_symb(); 3414: if (ref($resourcesref) eq 'ARRAY') { 3415: push(@{$resourcesref}, $ressymb); 3416: } 3417: } 3418: } 3419: } else { 3420: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3421: } 3422: return; 3423: } 3424: 3425: sub sort_filter_names { 3426: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3427: if (ref($sort_types) eq 'HASH') { 3428: %{$sort_types} = ( 3429: ascdate => 'Date order - oldest first', 3430: descdate => 'Date order - newest first', 3431: thread => 'Threaded', 3432: subject => 'By subject', 3433: username => 'By domain and username', 3434: lastfirst => 'By last name, first name' 3435: ); 3436: } 3437: my @courseroles = qw(st in ta ep ad); 3438: if ($crstype eq 'Community') { 3439: push(@courseroles,'co'); 3440: } else { 3441: push(@courseroles,'cc'); 3442: } 3443: if (ref($role_types) eq 'HASH') { 3444: foreach my $role (@courseroles) { 3445: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3446: } 3447: $role_types->{'all'} = 'All roles'; 3448: $role_types->{'cr'} = 'Custom role'; 3449: } 3450: if (ref($status_types) eq 'HASH') { 3451: %{$status_types} = ( 3452: all => 'Roles of any status', 3453: Active => 'Only active roles', 3454: Expired => 'Only past roles', 3455: Future => 'Only future roles', 3456: ); 3457: } 3458: } 3459: 3460: sub handler { 3461: my $r = shift; 3462: if ($r->header_only) { 3463: &Apache::loncommon::content_type($r,'text/html'); 3464: $r->send_http_header; 3465: return OK; 3466: } 3467: 3468: # --------------------------- Get query string for limited number of parameters 3469: 3470: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3471: ['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']); 3472: my $group = $env{'form.group'}; 3473: my %attachmax = ( 3474: text => &mt('(128 KB max size)'), 3475: num => 131072, 3476: ); 3477: if ($env{'form.editdisc'}) { 3478: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3479: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3480: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3481: my $feedurl=&Apache::lonnet::clutter($url); 3482: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3483: undef,undef,undef,$group); 3484: return OK; 3485: } 3486: } 3487: if ($env{'form.discsymb'}) { 3488: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3489: my $readkey = $symb.'_read'; 3490: my $chgcount = 0; 3491: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3492: foreach my $key (keys(%env)) { 3493: if ($key =~ m/^form\.postunread_(\d+)/) { 3494: if ($readinghash{$readkey} =~ /\.$1\./) { 3495: $readinghash{$readkey} =~ s/\.$1\.//; 3496: $chgcount ++; 3497: } 3498: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3499: unless ($readinghash{$readkey} =~ /\.$1\./) { 3500: $readinghash{$readkey} .= '.'.$1.'.'; 3501: $chgcount ++; 3502: } 3503: } 3504: } 3505: if ($chgcount > 0) { 3506: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3507: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3508: } 3509: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3510: '0','0','','',$env{'form.previous'},'','','', 3511: undef,undef,undef,$group); 3512: return OK; 3513: } 3514: if ($env{'form.allversions'}) { 3515: &Apache::loncommon::content_type($r,'text/html'); 3516: &Apache::loncommon::no_cache($r); 3517: $r->send_http_header; 3518: 3519: # Breadcrumbs 3520: my $brcrum = [{'href' => '', 3521: 'text' => 'Discussion Post Versions'}]; 3522: 3523: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3524: {'bread_crumbs' => $brcrum,}) 3525: ); 3526: 3527: my $crs='/'.$env{'request.course.id'}; 3528: if ($env{'request.course.sec'}) { 3529: $crs.='_'.$env{'request.course.sec'}; 3530: } 3531: $crs=~s|_|/|g; 3532: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3533: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3534: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3535: ($symb)=&get_feedurl_and_clean_symb($symb); 3536: my $ressymb = &wrap_symb($symb); 3537: my $group = $env{'form.group'}; 3538: my $seeid; 3539: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3540: if (&check_group_priv($group,'dgp') eq 'ok') { 3541: $seeid = 1; 3542: } 3543: } else { 3544: $seeid = &Apache::lonnet::allowed('rin',$crs); 3545: } 3546: if ($idx > 0) { 3547: my %messages = (); 3548: my %subjects = (); 3549: my %attachmsgs = (); 3550: my %allattachments = (); 3551: my %imsfiles = (); 3552: my ($screenname,$plainname); 3553: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3554: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3555: $env{'course.'.$env{'request.course.id'}.'.num'}); 3556: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3557: } 3558: $r->print(&Apache::loncommon::end_page()); 3559: return OK; 3560: } 3561: if ($env{'form.posterlist'}) { 3562: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3563: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3564: $env{'form.sortposts'}); 3565: return OK; 3566: } 3567: if ($env{'form.userpick'}) { 3568: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3569: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3570: my $numpicks = @posters; 3571: my %discinfo; 3572: $discinfo{$symb.'_userpick'} = join('&',@posters); 3573: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3574: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3575: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3576: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3577: '',$numpicks,$group); 3578: return OK; 3579: } 3580: if ($env{'form.applysort'}) { 3581: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3582: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3583: '',$env{'form.previous'},$env{'form.sortposts'}, 3584: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3585: $env{'form.sectionpick'},$env{'form.grouppick'}, 3586: undef,$group); 3587: return OK; 3588: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3589: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3590: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3591: return OK; 3592: } elsif ($env{'form.navtime'}) { 3593: my %discinfo = (); 3594: my @resources = (); 3595: if (defined($env{'form.navmaps'})) { 3596: if ($env{'form.navmaps'} =~ /:/) { 3597: @resources = split(/:/,$env{'form.navmaps'}); 3598: } else { 3599: @resources = ("$env{'form.navmaps'}"); 3600: } 3601: } else { 3602: &has_discussion(\@resources); 3603: } 3604: my $numitems = @resources; 3605: my $feedurl = '/adm/navmaps'; 3606: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3607: my %lt = &Apache::lonlocal::texthash( 3608: 'mnpa' => 'Marked "New" posts as read in a total of', 3609: 'robb' => 'resources/bulletin boards.', 3610: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3611: ); 3612: foreach my $res (@resources) { 3613: my $ressymb=$res; 3614: &Apache::lonenc::check_decrypt(\$ressymb); 3615: my $lastkey = $ressymb.'_lastread'; 3616: $discinfo{$lastkey} = $env{'form.navtime'}; 3617: } 3618: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3619: if ($numitems > 0) { 3620: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3621: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3622: } else { 3623: $textline = "<b>$lt{'twnp'}</b>"; 3624: } 3625: &Apache::loncommon::content_type($r,'text/html'); 3626: $r->send_http_header; 3627: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3628: my %onload; 3629: 3630: my $start_page= 3631: &Apache::loncommon::start_page('New posts marked as read',undef, 3632: {'redirect' => [2,$feedurl], 3633: 'only_body' => 1, 3634: 'add_entries' => \%onload}); 3635: my $end_page = &Apache::loncommon::end_page(); 3636: $r->print (<<ENDREDIR); 3637: $start_page 3638: <img align="right" src="$logo" /> 3639: $textline 3640: <form name="reldt" action="$feedurl" target="loncapaclient"> 3641: </form> 3642: <br /> 3643: $end_page 3644: ENDREDIR 3645: return OK; 3646: } elsif ($env{'form.modifydisp'}) { 3647: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3648: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3649: split(/_/,$env{'form.changes'}); 3650: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3651: $dispchgB,$markchg,$toggchg,$feedurl); 3652: return OK; 3653: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3654: $env{'form.allposts'} || $env{'form.onlyunread'} || 3655: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3656: $env{'form.toggon'} || $env{'form.markread'}) { 3657: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3658: my %discinfo; 3659: # ------------------------ Modify setting for read/unread toggle for each post 3660: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3661: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3662: # --------- Modify setting for identification of 'NEW' posts in this discussion 3663: if ($env{'form.markondisp'}) { 3664: $discinfo{$symb.'_lastread'} = time; 3665: $discinfo{$symb.'_markondisp'} = 1; 3666: } 3667: if ($env{'form.markonread'}) { 3668: if ( $env{'form.previous'} > 0 ) { 3669: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3670: } 3671: $discinfo{$symb.'_markondisp'} = 0; 3672: } 3673: # --------------------------------- Modify display setting for this discussion 3674: if ($env{'form.allposts'}) { 3675: $discinfo{$symb.'_showonlyunread'} = 0; 3676: $discinfo{$symb.'_showonlyunmark'} = 0; 3677: } 3678: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3679: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3680: # ----------------------------------------------------- Mark new posts not NEW 3681: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3682: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3683: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3684: my $previous=$env{'form.previous'}; 3685: if ($env{'form.markondisp'}) { $previous=undef; } 3686: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3687: '0','0','','',$previous,'','','','','','',$group); 3688: return OK; 3689: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3690: # ----------------------------------------------------------------- Hide/unhide 3691: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3692: my ($symb,$idx)=split(/\:\:\:/,$entry); 3693: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3694: 3695: my $crs='/'.$env{'request.course.id'}; 3696: if ($env{'request.course.sec'}) { 3697: $crs.='_'.$env{'request.course.sec'}; 3698: } 3699: $crs=~s/\_/\//g; 3700: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3701: 3702: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3703: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3704: undef,undef,$group,); 3705: return OK; 3706: } 3707: 3708: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3709: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3710: $env{'course.'.$env{'request.course.id'}.'.num'}); 3711: 3712: my $currenthidden=$contrib{'hidden'}; 3713: my $currentstudenthidden=$contrib{'studenthidden'}; 3714: 3715: if ($env{'form.hide'}) { 3716: $currenthidden.='.'.$idx.'.'; 3717: unless ($seeid) { 3718: $currentstudenthidden.='.'.$idx.'.'; 3719: } 3720: } else { 3721: $currenthidden=~s/\.$idx\.//g; 3722: } 3723: my %newhash=('hidden' => $currenthidden); 3724: if ( ($env{'form.hide'}) && (!$seeid) ) { 3725: $newhash{'studenthidden'} = $currentstudenthidden; 3726: } 3727: if ($env{'form.hide'}) { 3728: my $changelast = 0; 3729: my $newlast; 3730: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3731: if ($changelast) { 3732: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3733: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3734: $env{'course.'.$env{'request.course.id'}.'.num'}); 3735: } 3736: } 3737: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3738: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3739: $env{'course.'.$env{'request.course.id'}.'.num'}); 3740: 3741: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3742: '0','0','','',$env{'form.previous'},undef,undef,undef, 3743: undef,undef,undef,$group); 3744: return OK; 3745: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3746: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3747: if ($env{'form.cmd'} eq 'threadedon') { 3748: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3749: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3750: } else { 3751: &Apache::lonnet::del('environment',['threadeddiscussion']); 3752: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3753: } 3754: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3755: '0','0','','',$env{'form.previous'},undef,undef,undef, 3756: undef,undef,undef,$group); 3757: return OK; 3758: } elsif ($env{'form.deldisc'}) { 3759: # --------------------------------------------------------------- Hide for good 3760: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3761: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3762: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3763: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3764: $env{'course.'.$env{'request.course.id'}.'.num'}); 3765: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3766: if ($changelast) { 3767: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3768: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3769: } 3770: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3771: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3772: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3773: $env{'course.'.$env{'request.course.id'}.'.num'}); 3774: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3775: '0','0','','',$env{'form.previous'},undef,undef,undef, 3776: undef,undef,undef,$group); 3777: return OK; 3778: } elsif ($env{'form.preview'}) { 3779: # -------------------------------------------------------- User wants a preview 3780: &show_preview($r); 3781: return OK; 3782: } elsif ($env{'form.attach'}) { 3783: # -------------------------------------------------------- Work on attachments 3784: &Apache::loncommon::content_type($r,'text/html'); 3785: $r->send_http_header; 3786: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3787: my (@currnewattach,@currdelold,@keepold,$toolarge); 3788: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3789: if (exists($env{'form.addnewattach.filename'})) { 3790: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3791: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3792: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3793: push(@currnewattach, $newattachment); 3794: } else { 3795: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3796: } 3797: } 3798: my $attachmenturls; 3799: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3800: my $idx = $env{'form.idx'}; 3801: if ($idx) { 3802: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3803: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3804: $env{'course.'.$env{'request.course.id'}.'.num'}); 3805: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3806: } 3807: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3808: $attachmenturls,$attachmax{'text'},$toolarge); 3809: return OK; 3810: } elsif ($env{'form.export'}) { 3811: &Apache::loncommon::content_type($r,'text/html'); 3812: $r->send_http_header; 3813: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3814: my $mode='board'; 3815: my $status='OPEN'; 3816: my $previous=$env{'form.previous'}; 3817: if ($feedurl =~ /$LONCAPA::assess_re/) { 3818: $mode='problem'; 3819: $status=$Apache::inputtags::status[-1]; 3820: } 3821: my $discussion = &list_discussion($mode,$status,$symb); 3822: my $start_page = 3823: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3824: my $end_page = 3825: &Apache::loncommon::end_page(); 3826: $r->print($start_page.$discussion.$end_page); 3827: return OK; 3828: } else { 3829: # ------------------------------------------------------------- Normal feedback 3830: my $feedurl=$env{'form.postdata'}; 3831: $feedurl=~s/^https?\:\/\///; 3832: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3833: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3834: $feedurl=~s/\?.+$//; 3835: 3836: my $symb; 3837: if ($env{'form.replydisc'}) { 3838: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3839: } elsif ($env{'form.editdisc'}) { 3840: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3841: } elsif ($env{'form.origpage'}) { 3842: $symb=""; 3843: } else { 3844: $symb=&Apache::lonnet::symbread($feedurl); 3845: } 3846: unless ($symb) { 3847: $symb=$env{'form.symb'}; 3848: } 3849: if (defined($symb)) { 3850: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3851: } else { 3852: # backward compatibility (bulletin boards used to be 'wrapped') 3853: &Apache::lonenc::check_decrypt(\$feedurl); 3854: &dewrapper(\$feedurl); 3855: } 3856: my $goahead=1; 3857: if ($feedurl=~/$LONCAPA::assess_re/) { 3858: unless ($symb) { $goahead=0; } 3859: } 3860: if (!$goahead) { 3861: # Ambiguous Problem Resource 3862: $r->internal_redirect('/adm/ambiguous'); 3863: return OK; 3864: } 3865: # Go ahead with feedback, no ambiguous reference 3866: unless ( 3867: ( 3868: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3869: ) 3870: || 3871: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3872: || 3873: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3874: ) { 3875: &Apache::loncommon::content_type($r,'text/html'); 3876: $r->send_http_header; 3877: # Unable to give feedback 3878: &Apache::lonenc::check_encrypt(\$feedurl); 3879: &no_redirect_back($r,$feedurl); 3880: return OK; 3881: } 3882: # --------------------------------------------------- Print login screen header 3883: unless ($env{'form.sendit'}) { 3884: &Apache::lonenc::check_encrypt(\$feedurl); 3885: &Apache::loncommon::content_type($r,'text/html'); 3886: $r->send_http_header; 3887: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3888: my ($blocked,$blocktext) = 3889: &Apache::loncommon::blocking_status('boards'); 3890: if ($blocked) { 3891: $r->print(&blocked_reply_or_edit($blocktext)); 3892: return OK; 3893: } 3894: } 3895: my $options=&screen_header($feedurl,$symb,$group); 3896: if ($options) { 3897: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3898: } else { 3899: &fail_redirect($r,$feedurl); 3900: } 3901: return OK; 3902: } 3903: 3904: # Get previous user input 3905: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3906: $symb,$env{'user.name'},$env{'user.domain'}, 3907: $env{'request.course.id'}); 3908: 3909: # Get output from resource 3910: &Apache::lonenc::check_encrypt(\$feedurl); 3911: my $usersaw=&resource_output($feedurl); 3912: 3913: # Get resource answer (need to allow student to view grades for this to work) 3914: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3915: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3916: my $useranswer= 3917: &Apache::loncommon::get_student_answers( 3918: $usersymb,$env{'user.name'},$env{'user.domain'}, 3919: $env{'request.course.id'}); 3920: &Apache::lonnet::delenv('allowed.vgr'); 3921: # Get attachments, if any, and not too large 3922: my $attachmenturl=''; 3923: my $toolarge=''; 3924: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3925: ($env{'form.replydisc'})) { 3926: my ($symb,$idx); 3927: if ($env{'form.replydisc'}) { 3928: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3929: } elsif ($env{'form.editdisc'}) { 3930: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3931: } elsif ($env{'form.origpage'}) { 3932: $symb = $env{'form.symb'}; 3933: } 3934: &Apache::lonenc::check_decrypt(\$symb); 3935: my @currnewattach = (); 3936: my @deloldattach = (); 3937: my @keepold = (); 3938: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3939: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3940: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3941: } elsif ($env{'form.attachment.filename'}) { 3942: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3943: my $now = time; 3944: my $subdir = 'feedback/'.$now; 3945: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3946: } else { 3947: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3948: } 3949: } 3950: # Filter HTML out of message (could be nasty) 3951: my $override; 3952: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 3953: $override = 1; 3954: } 3955: my $message=&clear_out_html($env{'form.comment'},$override); 3956: 3957: # Assemble email 3958: my ($email,$citations)=&assemble_email($message,$prevattempts, 3959: $usersaw,$useranswer); 3960: 3961: # Who gets this? 3962: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3963: 3964: # Actually send mail 3965: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 3966: $feedurl,$email,$citations, 3967: $attachmenturl,$usersymb,%to); 3968: 3969: # Discussion? Store that. 3970: my $numpost=0; 3971: if ( ($env{'form.discuss'} ne '' 3972: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3973: || $env{'form.anondiscuss'} ne '') { 3974: my $subject = &clear_out_html($env{'form.subject'}); 3975: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3976: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3977: $subject,$group); 3978: $numpost++; 3979: } 3980: 3981: # Add to blog? 3982: 3983: my $blog=''; 3984: if ($env{'form.blog'}) { 3985: my $subject = &clear_out_html($env{'form.subject'}); 3986: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3987: $env{'user.domain'}, 3988: 'CourseBlog_'.$env{'request.course.id'}, 3989: $subject,$message,$feedurl,'public'); 3990: if (&Apache::loncommon::course_type() eq 'Community') { 3991: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3992: } else { 3993: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3994: } 3995: } 3996: 3997: # Receipt screen and redirect back to where came from 3998: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3999: } 4000: return OK; 4001: } 4002: 4003: sub blocked_reply_or_edit { 4004: my ($blocktext) = @_; 4005: return 4006: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4007: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4008: &mt('Back to previous page'). 4009: &Apache::loncommon::end_page(); 4010: } 4011: 4012: sub wrap_symb { 4013: my ($ressymb)=@_; 4014: if ($ressymb =~ /bulletin___\d+___/) { 4015: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4016: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4017: } 4018: } 4019: return $ressymb; 4020: } 4021: sub dewrapper { 4022: my ($feedurl)=@_; 4023: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4024: $$feedurl=~s|^/adm/wrapper||; 4025: } 4026: } 4027: 4028: sub get_feedurl { 4029: my ($symb)=@_; 4030: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4031: my $feedurl = &Apache::lonnet::clutter($url); 4032: &dewrapper(\$feedurl); 4033: return $feedurl; 4034: } 4035: 4036: sub get_feedurl_and_clean_symb { 4037: my ($symb)=@_; 4038: &Apache::lonenc::check_decrypt(\$symb); 4039: # backward compatibility (bulletin boards used to be 'wrapped') 4040: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4041: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4042: } 4043: my $feedurl = &get_feedurl($symb); 4044: return ($symb,$feedurl); 4045: } 4046: 4047: sub editing_allowed { 4048: my ($postid,$group) = @_; 4049: $postid = &unescape($postid); 4050: my $can_edit = 0; 4051: if ($group ne '') { 4052: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4053: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4054: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4055: if (&check_group_priv($group,'egp') eq 'ok') { 4056: $can_edit = 1; 4057: } 4058: return $can_edit; 4059: } 4060: } 4061: my $cid = $env{'request.course.id'}; 4062: my $role = (split(/\./,$env{'request.role'}))[0]; 4063: my $section = $env{'request.course.sec'}; 4064: my $allow_editing_config = 4065: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4066: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4067: $can_edit = 1; 4068: } else { 4069: foreach my $editor (split(/,/,$allow_editing_config)) { 4070: my ($editor_role,$editor_sec) = split(/:/,$editor); 4071: if ($editor_role eq $role 4072: && defined($editor_sec) 4073: && defined($section) 4074: && $editor_sec eq $section) { 4075: $can_edit = 1; 4076: last; 4077: } 4078: if ($editor_role eq $role 4079: && !defined($editor_sec)) { 4080: $can_edit = 1; 4081: } 4082: } 4083: } 4084: return $can_edit; 4085: } 4086: 4087: sub check_group_priv { 4088: my ($group,$grp_priv) = @_; 4089: foreach my $priv ('mdg','vcg') { 4090: my $checkcourse = $env{'request.course.id'}. 4091: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4092: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4093: return 'ok'; 4094: } 4095: } 4096: if ($grp_priv && $group ne '') { 4097: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4098: return 'ok'; 4099: } 4100: } 4101: return ''; 4102: } 4103: 4104: sub group_args { 4105: my ($group) = @_; 4106: if ($group eq '') { return ''; } 4107: my $extra_args = '&group='.$group; 4108: if (exists($env{'form.ref'})) { 4109: $extra_args .= '&ref='.$env{'form.ref'}; 4110: } 4111: return $extra_args; 4112: } 4113: 4114: sub get_resource_title { 4115: my ($symb,$feedurl) = @_; 4116: my ($restitle,$plainurl); 4117: if (defined($symb)) { 4118: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4119: $restitle = &Apache::lonnet::gettitle($plain_symb); 4120: } 4121: if (defined($feedurl)) { 4122: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4123: } 4124: if (!defined($restitle)) { 4125: if (defined($feedurl)) { 4126: $restitle = &Apache::lonnet::gettitle($plainurl); 4127: } 4128: } 4129: if ($plainurl ne $feedurl) { 4130: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4131: if ($plain_filename eq $restitle) { 4132: $restitle = &mt('Untitled resource'); 4133: } 4134: } 4135: if ($restitle eq '') { 4136: $restitle = &mt('Untitled resource'); 4137: } 4138: return $restitle; 4139: } 4140: 4141: 1; 4142: __END__ 4143: 4144: 4145: =pod 4146: 4147: =head1 NAME 4148: 4149: Apache::lonfeedback.pm 4150: 4151: =head1 SYNOPSIS 4152: 4153: Handles feedback from students to instructors and system administrators. 4154: 4155: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4156: 4157: Used by lonmsg.pm. 4158: 4159: This is part of the LearningOnline Network with CAPA project 4160: described at http://www.lon-capa.org. 4161: 4162: =head1 OVERVIEW 4163: 4164: None 4165: 4166: =head1 SUBROUTINES 4167: 4168: =over 4169: 4170: =item discussion_open() 4171: 4172: =item discussion_visible() 4173: 4174: =item list_discussion() 4175: 4176: =item send_feedback_link() 4177: 4178: =item send_message_link() 4179: 4180: =item action_links_bar() 4181: 4182: =item postingform_display() 4183: 4184: =item build_posting_display 4185: 4186: =item filter_regexp() 4187: 4188: =item get_post_contents() 4189: 4190: =item replicate_attachments() 4191: 4192: =item mail_screen() 4193: 4194: =item print_display_options() 4195: 4196: =item print_sortfilter_options() 4197: 4198: =item print_showposters() 4199: 4200: =item get_post_versions() 4201: 4202: =item get_post_attachments() 4203: 4204: =item fail_redirect() 4205: 4206: =item redirect_back() 4207: 4208: =item no_redirect_back() 4209: 4210: =item screen_header() 4211: 4212: =item resource_output() 4213: 4214: =item clear_out_html() 4215: 4216: =item assemble_email() 4217: 4218: =item feedback_available() 4219: 4220: =item send_msg() 4221: 4222: =item adddiscuss() 4223: 4224: =item get_discussion_info() 4225: 4226: =item show_preview() 4227: 4228: =item newline_to_br() 4229: 4230: =item tidy_html() 4231: 4232: =item generate_preview_button() 4233: 4234: =item modify_attachments() 4235: 4236: =item process_attachments() 4237: 4238: =item generate_attachments_button() 4239: 4240: =item extract_attachments() 4241: 4242: =item construct_attachmenturl() 4243: 4244: =item add_blog_checkbox() 4245: 4246: =item has_discussion() 4247: 4248: =item sort_filter_names() 4249: 4250: =item handler() 4251: 4252: =item blocked_reply_or_edit() 4253: 4254: =item wrap_symb() 4255: 4256: =item dewrapper() 4257: 4258: =item get_feedurl() 4259: 4260: =item get_feedurl_and_clean_symb() 4261: 4262: =item editing_allowed() 4263: 4264: =item check_group_priv() 4265: 4266: =item group_args() 4267: 4268: =item get_resource_title() 4269: 4270: =back 4271: 4272: =cut