loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.325: download - view: text, annotated - select for diffs
Fri Jan 6 19:18:11 2012 UTC (12 years, 4 months ago) by www
Branches: MAIN
CVS tags: HEAD

Work on likes/unlikes

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.325 2012/01/06 19:18:11 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: 285: my $now = time; 286: $discinfo{$visitkey} = $visit; 287: 288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 289: &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,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 290: 291: my $discussion=''; 292: my $manifestfile; 293: my $manifestok=0; 294: my $tempexport; 295: my $imsresources; 296: my $copyresult; 297: 298: my $function = &Apache::loncommon::get_users_function(); 299: my %lt = &Apache::lonlocal::texthash( 300: 'cuse' => 'My settings for this discussion', 301: 'allposts' => 'All posts', 302: 'unread' => 'New posts only', 303: 'unmark' => 'Unread only', 304: 'ondisp' => 'Once displayed', 305: 'onmark' => 'Once marked not NEW', 306: 'toggoff' => 'Off', 307: 'toggon' => 'On', 308: 'disa' => 'Posts to be displayed', 309: 'npce' => 'Posts cease to be marked "NEW"', 310: 'epcb' => 'Each post can be toggled read/unread', 311: 'chgt' => 'Change', 312: 'disp' => 'Display', 313: 'nolo' => 'Not new', 314: 'togg' => 'Toggle read/unread', 315: 'aner' => 'An error occurred opening the manifest file.', 316: 'difo' => 'Discussion for', 317: 'aerr' => 'An error occurred opening the export file for posting', 318: 'aysu' => 'Are you sure you want to delete this post?', 319: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 320: 'bwco' => 'but will continue to be visible to your instructor', 321: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 322: 'discussions' => 'DISCUSSIONS' 323: ); 324: 325: my $currdisp = $lt{'allposts'}; 326: my $currmark = $lt{'onmark'}; 327: my $currtogg = $lt{'toggoff'}; 328: my $dispchange = $lt{'unread'}; 329: my $markchange = $lt{'ondisp'}; 330: my $toggchange = $lt{'toggon'}; 331: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 332: my $displinkA = 'onlyunread'; 333: my $displinkB = 'onlyunmark'; 334: my $marklink = 'markondisp'; 335: my $togglink = 'toggon'; 336: 337: if ($markondisp) { 338: $currmark = $lt{'ondisp'}; 339: $markchange = $lt{'onmark'}; 340: $marklink = 'markonread'; 341: } 342: 343: if ($showonlyunread) { 344: $currdisp = $lt{'unread'}; 345: $dispchange = $lt{'allposts'}; 346: $displinkA = 'allposts'; 347: } 348: 349: if ($showunmark) { 350: $currdisp = $lt{'unmark'}; 351: $dispchange = $lt{'unmark'}; 352: $displinkA='allposts'; 353: $displinkB='onlyunread'; 354: $showonlyunread = 0; 355: } 356: 357: if ($dischash{$toggkey}) { 358: $currtogg = $lt{'toggon'}; 359: $toggchange = $lt{'toggoff'}; 360: $togglink = 'toggoff'; 361: } 362: 363: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 364: 365: if ($newpostsflag) { 366: $chglink .= '&previous='.$prevread; 367: } 368: $chglink.=&group_args($group); 369: 370: if ($visible) { 371: # Print the discusssion 372: if ($outputtarget eq 'tex') { 373: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 374: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 375: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 376: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 377: } elsif ($outputtarget eq 'export') { 378: # Create temporary directory if this is an export 379: my $now = time; 380: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 381: $tempexport = $$imsextras{'tempexport'}; 382: if (!-e $tempexport) { 383: mkdir($tempexport,0700); 384: } 385: $tempexport .= '/'.$$imsextras{'count'}; 386: if (!-e $tempexport) { 387: mkdir($tempexport,0700); 388: } 389: } else { 390: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 391: if (!-e $tempexport) { 392: mkdir($tempexport,0700); 393: } 394: $tempexport .= '/'.$now; 395: if (!-e $tempexport) { 396: mkdir($tempexport,0700); 397: } 398: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 399: } 400: if (!-e $tempexport) { 401: mkdir($tempexport,0700); 402: } 403: # open manifest file 404: my $manifest = '/imsmanifest.xml'; 405: my $manifestfilename = $tempexport.$manifest; 406: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 407: $manifestok=1; 408: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 409: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 410: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 411: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 412: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 413: <organizations default="$ressymb"> 414: <organization identifier="$ressymb"> 415: <title>$lt{'difo'} $ressymb</title>\n|; 416: } else { 417: $discussion .= $lt{'aner'}.'<br />'; 418: } 419: } else { 420: my $colspan=$maxdepth+1; 421: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 422: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 423: var symbparm = symb+':::'+idx 424: var prevparm = "" 425: if (newflag == 1) { 426: prevparm = "&previous="+previous 427: } 428: if (caller == 'studentdelete') { 429: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 430: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 431: } 432: } else { 433: if (caller == 'seeiddelete') { 434: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 435: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 436: } 437: } 438: } 439: } 440: |); 441: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 442: "\n".'<table width="100%" class="LC_discussion">'; 443: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 444: $newpostsflag,$group, 445: $prevread,$markondisp); 446: my $escsymb=&escape($ressymb); 447: my $numhidden = keys(%notshown); 448: if ($numhidden > 0) { 449: my $colspan = $maxdepth+1; 450: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 451: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 452: if ($newpostsflag) { 453: $discussion .= '&previous='.$prevread; 454: } 455: $discussion .= &group_args($group); 456: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 457: $numhidden.' '; 458: if ($showunmark) { 459: $discussion .= &mt('posts previously marked read'); 460: } else { 461: $discussion .= &mt('previously viewed posts'); 462: } 463: $discussion .= '<br/></td></tr>'; 464: } 465: } 466: 467: # Choose sort mechanism 468: my @showposts = (); 469: if ($sortposts eq 'descdate') { 470: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 471: } elsif ($sortposts eq 'thread') { 472: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 473: } elsif ($sortposts eq 'subject') { 474: foreach my $key (sort(keys(%subjectsort))) { 475: push(@showposts, @{$subjectsort{$key}}); 476: } 477: } elsif ($sortposts eq 'username') { 478: foreach my $domain (sort(keys(%usernamesort))) { 479: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 480: push(@showposts, @{$usernamesort{$domain}{$key}}); 481: } 482: } 483: } elsif ($sortposts eq 'lastfirst') { 484: foreach my $last (sort(keys(%namesort))) { 485: foreach my $key (sort(keys(%{$namesort{$last}}))) { 486: push(@showposts, @{$namesort{$last}{$key}}); 487: } 488: } 489: } else { 490: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 491: } 492: my $currdepth = 0; 493: my $firstidx = $alldiscussion{$showposts[0]}; 494: foreach my $post (@showposts) { 495: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 496: $alldiscussion{$post} = $post; 497: } 498: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 500: $discussion.="\n<tr>"; 501: } 502: my $thisdepth=$depth[$alldiscussion{$post}]; 503: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 504: for (1..$thisdepth) { 505: $discussion.='<td>    </td>'; 506: } 507: } 508: my $colspan=$maxdepth-$thisdepth+1; 509: if ($outputtarget eq 'tex') { 510: #cleanup block 511: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 512: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 513: my $threadinsert=''; 514: if ($thisdepth > 0) { 515: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 516: } 517: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 519: 520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 521: $discussion.=$discussionitems[$alldiscussion{$post}]; 522: } elsif ($outputtarget eq 'export') { 523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 524: if ($manifestok) { 525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 526: print $manifestfile ' </item>'."\n"; 527: } 528: $currdepth = $depth[$alldiscussion{$post}]; 529: print $manifestfile "\n". 530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 533: $imsresources .= "\n". 534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 535: '<file href="'.$postfilename.'">'."\n". 536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 537: '</resource>'; 538: } 539: my $postingfile; 540: my $postingfilename = $tempexport.'/'.$postfilename; 541: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 543: $imsitems{$alldiscussion{$post}}{'title'}.' '. 544: $imsitems{$alldiscussion{$post}}{'sender'}. 545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 548: close($postingfile); 549: } else { 550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 551: } 552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 553: } else { 554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 556: '</td></tr>'; 557: } 558: } 559: } 560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 561: my $colspan=$maxdepth+1; 562: $discussion .= <<END; 563: <tr> 564: <td colspan="$colspan"> 565: <table width="100%"> 566: <tr> 567: <td class="LC_disc_action_left"> 568: <font size="-1"><b>$lt{'cuse'}</b>:  569: END 570: if ($newpostsflag) { 571: $discussion .= 572: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 573: if ($dischash{$toggkey}) { 574: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 575: } 576: } else { 577: if ($dischash{$toggkey}) { 578: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 579: } else { 580: $discussion .= 581: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 582: } 583: } 584: $discussion .= <<END; 585:   <b><a href="$chglink">$lt{'chgt'}</a></b></font> 586: </td> 587: END 588: if ($sortposts) { 589: my %sort_types = (); 590: my %role_types = (); 591: my %status_types = (); 592: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 593: 594: $discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 595: if (defined($env{'form.totposters'})) { 596: $discussion .= &mt('Posts by').':'; 597: if ($totposters > 0) { 598: foreach my $poster (@posters) { 599: $discussion .= ' '.$poster.','; 600: } 601: $discussion =~ s/,$//; 602: } else { 603: $discussion .= &mt('None selected'); 604: } 605: } else { 606: my $filterchoice =''; 607: if (@sectionpick > 0) { 608: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 609: $filterchoice .= '    '; 610: } 611: if (@grouppick > 0) { 612: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 613: $filterchoice .= '    '; 614: } 615: if (@rolefilter > 0) { 616: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 617: foreach my $role (@rolefilter) { 618: $filterchoice .= ' '.$role_types{$role}.','; 619: } 620: $filterchoice =~ s/,$//; 621: $filterchoice .= '<br />'.(' ' x8); 622: } 623: if ($statusfilter) { 624: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 625: } 626: if ($filterchoice) { 627: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 628: } 629: } 630: $discussion .= '</font></td>'; 631: 632: } 633: if ($dischash{$toggkey}) { 634: my $storebutton = &mt('Save read/unread changes'); 635: $discussion.='<td align="right">'. 636: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 637: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 638: ' onclick="this.form.submit();" />'."\n". 639: '</td>'; 640: } 641: $discussion .= (<<END); 642: </tr> 643: </table> 644: </td> 645: </tr> 646: END 647: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 648: $newpostsflag,$group, 649: $prevread,$markondisp); 650: $discussion .= "</table></form>\n"; 651: } 652: if ($outputtarget eq 'export') { 653: if ($manifestok) { 654: while ($currdepth > 0) { 655: print $manifestfile " </item>\n"; 656: $currdepth --; 657: } 658: print $manifestfile qq| 659: </organization> 660: </organizations> 661: <resources> 662: $imsresources 663: </resources> 664: </manifest> 665: |; 666: close($manifestfile); 667: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 668: $discussion = $copyresult; 669: } else { 670: 671: #Create zip file in prtspool 672: 673: my $imszipfile = '/prtspool/'. 674: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 675: time.'_'.rand(1000000000).'.zip'; 676: my $cwd = &getcwd(); 677: my $imszip = '/home/httpd/'.$imszipfile; 678: chdir $tempexport; 679: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 680: close(OUTPUT); 681: chdir $cwd; 682: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 683: if ($copyresult) { 684: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 685: } 686: } 687: } else { 688: $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 />'; 689: } 690: return $discussion; 691: } 692: } 693: if ($discussiononly) { 694: my $now = time; 695: my $attachnum = 0; 696: my $currnewattach = []; 697: my $currdelold = []; 698: my $comment = ''; 699: my $subject = ''; 700: if ($env{'form.origpage'}) { 701: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 702: $subject = &unescape($env{'form.subject'}); 703: $comment = &unescape($env{'form.comment'}); 704: my @keepold = (); 705: &process_attachments($currnewattach,$currdelold,\@keepold); 706: if (@{$currnewattach} > 0) { 707: $attachnum += @{$currnewattach}; 708: } 709: } 710: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 711: if (($group ne '') && ($mode eq 'board')) { 712: if ((&check_group_priv($group,'pgd') eq 'ok') && 713: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 714: $discussion .= 715: &postingform_display($mode,$ressymb,$now,$subject, 716: $comment,$outputtarget,$attachnum, 717: $currnewattach,$currdelold, 718: $group,$crstype); 719: } 720: } else { 721: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 722: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 723: 724: $discussion.= 725: &postingform_display($mode,$ressymb,$now,$subject, 726: $comment,$outputtarget,$attachnum, 727: $currnewattach,$currdelold,'',$crstype); 728: } else { 729: $discussion.= '<span class="LC_feedback_link">'. 730: &mt('This discussion is closed.').'</span>'; 731: } 732: } 733: } 734: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 735: $discussion.= '<span class="LC_feedback_link">'. 736: &mt('This discussion is closed.').'</span>'; 737: } 738: } elsif ($outputtarget ne 'tex') { 739: $discussion.='<div class="LC_feedback_link">'; 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: $discussion.= &send_feedback_link($ressymb); 745: if ($env{'request.role.adv'}) { 746: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 747: if (defined($close) && $close ne '' && $close < time) { 748: $discussion .= ' '.&mt('(Closed for [_1] roles)', 749: &Apache::lonnet::plaintext('st',$crstype)); 750: } 751: } 752: } else { 753: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 754: } 755: $discussion.= &send_message_link($ressymb).'</div>'; 756: } 757: return $discussion; 758: } 759: 760: 761: sub discussion_link { 762: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds)=@_; 763: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item; 764: if ($flag) { $link .= '&previous='.$prev; } 765: if ($adds) { $link .= $adds; } 766: my $width=600; 767: my $height=600; 768: if (($cmd eq 'hide') || ($cmd eq 'unhide') || ($cmd eq 'like') || ($cmd eq 'unlike')) { 769: $width=300; 770: $height=200; 771: } 772: return &Apache::loncommon::modal_link($link,$linktext,$width,$height); 773: } 774: 775: 776: sub send_feedback_link { 777: my ($ressymb) = @_; 778: return '<span class="LC_feedback_link">'. 779: &discussion_link($ressymb, 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>', 783: 'replydisc'). 784: '</span>'; 785: } 786: 787: sub send_message_link { 788: my ($ressymb) = @_; 789: my $output = '<span class="LC_message_link">'. 790: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 791: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 792: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 793: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 794: return $output; 795: } 796: 797: sub action_links_bar { 798: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 799: my $discussion = '<tr><td colspan="'.$colspan.'">'. 800: '<table width="100%"><tr>'. 801: '<td class="LC_disc_action_left">'; 802: my $escsymb=&escape($ressymb); 803: if ($visible) { 804: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 805: if ($newpostsflag) { 806: $discussion .= '&previous='.$prevread; 807: } 808: $discussion .= &group_args($group); 809: $discussion .='">'.&mt('Threaded View').'</a>  '. 810: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 811: if ($newpostsflag) { 812: $discussion .= '&previous='.$prevread; 813: } 814: $discussion .= &group_args($group); 815: $discussion .='">'.&mt('Chronological View').'</a>  '; 816: 817: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes'; 818: if ($newpostsflag) { 819: $otherviewurl .= '&previous='.$prevread; 820: } 821: $otherviewurl .= &group_args($group); 822: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340); 823: $discussion .= '<br />'; 824: } 825: $discussion .='<a href="/adm/feedback?export='.$escsymb; 826: if ($newpostsflag) { 827: $discussion .= '&previous='.$prevread; 828: } 829: $discussion .= &group_args($group); 830: $discussion .= '">'.&mt('Export').'</a></td>'; 831: if ($newpostsflag) { 832: if (!$markondisp) { 833: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 834: $discussion .= &group_args($group); 835: $discussion .= '">'. 836: &mt('My general preferences on what is marked as NEW'). 837: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 838: $discussion .= &group_args($group); 839: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 840: } else { 841: $discussion .= '<td> </td>'; 842: } 843: } else { 844: $discussion .= '<td> </td>'; 845: } 846: $discussion .= '</tr></table></td></tr>'; 847: return $discussion; 848: } 849: 850: sub postingform_display { 851: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 852: $currnewattach,$currdelold,$group,$crstype) = @_; 853: my $newattachmsg; 854: my %lt = &Apache::lonlocal::texthash( 855: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 856: 'title' => 'Title', 857: 'podi' => 'Post Discussion', 858: 'poan' => 'Post Anonymous Discussion', 859: 'newa' => 'New attachments', 860: ); 861: if ($crstype eq 'Community') { 862: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 863: } 864: my ($postingform,$textareaclass); 865: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 866: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 867: $textareaclass = 'class="LC_richDefaultOff"'; 868: if ($env{'request.course.id'}) { 869: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 870: undef($textareaclass); 871: } 872: } 873: } 874: $postingform .= (<<ENDDISCUSS); 875: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 876: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 877: <input type="hidden" name="sendit" value="true" /> 878: <input type="hidden" name="timestamp" value="$now" /> 879: <br /><a name="newpost"></a> 880: <font size="1">$lt{'note'}</font><br /> 881: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 882: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 883: ENDDISCUSS 884: if ($env{'form.origpage'}) { 885: $postingform .= '<input type="hidden" name="origpage" value="'. 886: $env{'form.origpage'}.'" />'."\n"; 887: foreach my $att (@{$currnewattach}) { 888: $postingform .= '<input type="hidden" name="currnewattach" '. 889: 'value="'.$att.'" />'."\n"; 890: } 891: } 892: if (exists($env{'form.ref'})) { 893: $postingform .= '<input type="hidden" name="ref" value="'. 894: $env{'form.ref'}.'" />'; 895: } 896: if ($group ne '') { 897: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 898: } 899: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 900: if (!$blockblog) { 901: $postingform .= &add_blog_checkbox($crstype); 902: } 903: $postingform .= "</form>\n"; 904: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 905: $now,$currnewattach, 906: $currdelold,'',$mode, 907: $blockblog); 908: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 909: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 910: if (@{$currnewattach} > 1) { 911: $newattachmsg .= '<ol>'; 912: foreach my $item (@{$currnewattach}) { 913: $item =~ m#.*/([^/]+)$#; 914: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 915: } 916: $newattachmsg .= '</ol>'."\n"; 917: } else { 918: $$currnewattach[0] =~ m#.*/([^/]+)$#; 919: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 920: } 921: } 922: $postingform .= $newattachmsg; 923: $postingform .= &generate_preview_button(); 924: return $postingform; 925: } 926: 927: sub build_posting_display { 928: 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,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 929: my @original=(); 930: my @index=(); 931: my $skip_group_check = 0; 932: my $symb=&Apache::lonenc::check_decrypt($ressymb); 933: my $escsymb=&escape($ressymb); 934: # These are the discussion contributions 935: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 936: $env{'course.'.$env{'request.course.id'}.'.domain'}, 937: $env{'course.'.$env{'request.course.id'}.'.num'}); 938: # And these are the likes/unlikes 939: my %likes=&Apache::lonnet::dump('disclikes', 940: $env{'course.'.$env{'request.course.id'}.'.domain'}, 941: $env{'course.'.$env{'request.course.id'}.'.num'}, 942: '^'.$symb.':'); 943: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 944: # Array with likes to figure out averages, etc. 945: my @theselikes=(); 946: # Is the user allowed to see the real name behind anonymous postings? 947: my $see_anonymous = 948: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 949: 950: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 951: $skip_group_check = 1; 952: } 953: # Deletions and hiddens are just lists. Split them up into a hash for quicker lookup 954: my (%deletions,%hiddens); 955: if ($contrib{'deleted'}) { 956: my $deleted = $contrib{'deleted'}; 957: $deleted =~ s/^\.//; 958: $deleted =~ s/\.$//; 959: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 960: } 961: if ($contrib{'hidden'}) { 962: my $hidden = $contrib{'hidden'}; 963: $hidden =~ s/^\.//; 964: $hidden =~ s/\.$//; 965: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 966: } 967: # Versions if store/restore are used to actually store the messages. 968: if ($contrib{'version'}) { 969: my $oldest = $contrib{'1:timestamp'}; 970: if ($prevread eq '0') { 971: $prevread = $oldest-1; 972: } 973: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 974: if ($sortposts) { 975: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 976: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 977: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 978: } 979: # We need to go through this twice, first to get the likes/dislikes, then to actually build the display 980: for (my $id=1;$id<=$contrib{'version'};$id++) { 981: my $idx=$id; 982: next if ($contrib{$idx.':deleted'}); 983: next if ($contrib{$idx.':hidden'}); 984: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx}) || (!$contrib{$idx.':message'})) { 985: push(@theselikes,$likes{$symb.':'.$idx.':likes'}); 986: } 987: } 988: # Figure out average likes and standard deviation if there are enough discussions to warrant that 989: my $ave=0; 990: my $stddev=10000; 991: if ($#theselikes>1) { 992: my $sum=0; 993: my $num=$#theselikes+1; 994: foreach my $thislike (@theselikes) { 995: $sum+=$thislike; 996: } 997: $ave=$sum/$num; 998: my $sumsq=0; 999: foreach my $thislike (@theselikes) { 1000: $sumsq+=($thislike-$ave)*($thislike-$ave); 1001: } 1002: $stddev=sqrt($sumsq/$num); 1003: } 1004: # Now we know the average likes $ave and the standard deviation $stddev 1005: # &Apache::lonnet::logthis(join(',',@theselikes)." Ave $ave StdDev $stddev"); 1006: # 1007: # This is now the real loop. Go through all entries, pick up what we need 1008: # 1009: for (my $id=1;$id<=$contrib{'version'};$id++) { 1010: my $idx=$id; 1011: next if ($contrib{$idx.':deleted'}); 1012: next if ($contrib{$idx.':hidden'}); 1013: # If we get here, we are actually going to display the message - we don't know where and we don't know if we display 1014: # previous edits, but it counts as one entry 1015: my $posttime = $contrib{$idx.':timestamp'}; 1016: if ($prevread <= $posttime) { 1017: $$newpostsflag = 1; 1018: } 1019: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 1020: my $origindex='0.'; 1021: my $numoldver=0; 1022: if ($contrib{$idx.':replyto'}) { 1023: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1024: # this is a follow-up message 1025: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 1026: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 1027: $origindex=$index[$contrib{$idx.':replyto'}]; 1028: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 1029: } else { 1030: $original[$idx]=0; 1031: $$depth[$idx]=0; 1032: } 1033: } else { 1034: # this is an original message 1035: $original[$idx]=0; 1036: $$depth[$idx]=0; 1037: } 1038: if ($$replies[$$depth[$idx]]) { 1039: $$replies[$$depth[$idx]]++; 1040: } else { 1041: $$replies[$$depth[$idx]]=1; 1042: } 1043: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1044: $$visible++; 1045: if ($contrib{$idx.':history'}) { 1046: if ($contrib{$idx.':history'} =~ /:/) { 1047: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1048: $numoldver = @oldversions; 1049: } else { 1050: $numoldver = 1; 1051: } 1052: } 1053: $$current = $numoldver; 1054: my %messages = (); 1055: my %subjects = (); 1056: my %attachtxt = (); 1057: my %allattachments = (); 1058: my ($screenname,$plainname); 1059: my $sender = &mt('Anonymous'); 1060: # Anonymous users getting number within a discussion 1061: # Since idx is in static order, this should give the same sequence every time. 1062: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1063: unless ($$anonhash{$key}) { 1064: $anoncnt++; 1065: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1066: } 1067: my ($message,$subject,$vgrlink,$ctlink); 1068: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1069: 1070: 1071: # Set up for sorting by subject 1072: unless ($outputtarget eq 'export') { 1073: $message=$messages{$numoldver}; 1074: $message.=$attachtxt{$numoldver}; 1075: $subject=$subjects{$numoldver}; 1076: if ($message) { 1077: if ($hiddens{$idx}) { 1078: $message='<font color="#888888">'.$message.'</font>'; 1079: if ($studenthidden) { 1080: $message .='<br /><br />Deleted by poster (student).'; 1081: } 1082: } 1083: 1084: if ($subject eq '') { 1085: if (defined($$subjectsort{'__No subject'})) { 1086: push(@{$$subjectsort{'__No subject'}}, $idx); 1087: } else { 1088: @{$$subjectsort{'__No subject'}} = ("$idx"); 1089: } 1090: } else { 1091: if (defined($$subjectsort{$subject})) { 1092: push(@{$$subjectsort{$subject}}, $idx); 1093: } else { 1094: @{$$subjectsort{$subject}} = ("$idx"); 1095: } 1096: } 1097: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1098: $sender=&Apache::loncommon::aboutmewrapper( 1099: $plainname, 1100: $contrib{$idx.':sendername'}, 1101: $contrib{$idx.':senderdomain'}).' ('. 1102: $contrib{$idx.':sendername'}.':'. 1103: $contrib{$idx.':senderdomain'}.')'; 1104: $sender = '<b>'.$sender.'</b>'; 1105: if ($contrib{$idx.':anonymous'}) { 1106: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1107: $screenname; 1108: } 1109: if ($see_anonymous) { 1110: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1111: } 1112: # Set up for sorting by domain, then username 1113: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1114: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1115: } 1116: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1117: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1118: } else { 1119: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1120: } 1121: # Set up for sorting by last name, then first name 1122: my %names = &Apache::lonnet::get('environment', 1123: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1124: ,$contrib{$idx.':sendername'}); 1125: my $lastname = $names{'lastname'}; 1126: my $firstname = $names{'firstname'}; 1127: if ($lastname eq '') { 1128: $lastname = '_'; 1129: } 1130: if ($firstname eq '') { 1131: $firstname = '_'; 1132: } 1133: unless (defined($$namesort{$lastname})) { 1134: %{$$namesort{$lastname}} = (); 1135: } 1136: if (defined($$namesort{$lastname}{$firstname})) { 1137: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1138: } else { 1139: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1140: } 1141: if ($outputtarget ne 'tex') { 1142: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) { 1143: $sender.=' '.&discussion_link($symb,&mt('Like'),'like',$idx,$$newpostsflag,$prevread,&group_args($group)); 1144: } 1145: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) { 1146: $sender.=' '.&discussion_link($symb,&mt('Unlike'),'unlike',$idx,$$newpostsflag,$prevread,&group_args($group)); 1147: } 1148: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1149: if ($thislikes>0) { 1150: $sender.=' ('.&mt("[_1] likes",$thislikes).')'; 1151: } elsif ($thislikes<0) { 1152: $sender.=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; 1153: } 1154: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1155: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1156: $sender.=' '. 1157: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1158: unless ($seeid) { 1159: my $grpargs = &group_args($group); 1160: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1161: $sender .= '">'.&mt('Delete').'</a>'; 1162: } 1163: } 1164: } 1165: if ($seeid) { 1166: if ($hiddens{$idx}) { 1167: unless ($studenthidden) { 1168: $sender.=' '. 1169: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1170: } 1171: } else { 1172: $sender.=' '. 1173: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1174: } 1175: my $grpargs = &group_args($group); 1176: $sender.= 1177: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1178: $sender .= &mt('Delete').'</a>'; 1179: } 1180: } 1181: } else { 1182: if ($screenname) { 1183: $sender='<i>'.$screenname.'</i>'; 1184: } else { 1185: $sender='<i>'.$$anonhash{$key}.'</i>'; 1186: } 1187: $sender = '<b>'.$sender.'</b>'; 1188: # Set up for sorting by domain, then username for anonymous 1189: unless (defined($$usernamesort{'__anon'})) { 1190: %{$$usernamesort{'__anon'}} = (); 1191: } 1192: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1193: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1194: } else { 1195: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1196: } 1197: # Set up for sorting by last name, then first name for anonymous 1198: unless (defined($$namesort{'__anon'})) { 1199: %{$$namesort{'__anon'}} = (); 1200: } 1201: if (defined($$namesort{'__anon'}{'__anon'})) { 1202: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1203: } else { 1204: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1205: } 1206: } 1207: if ($outputtarget ne 'tex') { 1208: if (&discussion_open($status)) { 1209: if (($group ne '') && 1210: (&check_group_priv($group,'pgd') eq 'ok')) { 1211: $sender.=' '. 1212: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1213: } elsif (&Apache::lonnet::allowed('pch', 1214: $env{'request.course.id'}. 1215: ($env{'request.course.sec'}?'/'. 1216: $env{'request.course.sec'}:''))) { 1217: $sender.=' '. 1218: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread); 1219: } 1220: } 1221: if ($viewgrades) { 1222: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1223: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1224: } 1225: if ($$dischash{$readkey}=~/\.$idx\./) { 1226: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1227: } else { 1228: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1229: } 1230: } 1231: } 1232: #figure out at what position this needs to print 1233: } 1234: if ($outputtarget eq 'export' || $message) { 1235: my $thisindex=$idx; 1236: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1237: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1238: } 1239: $$alldiscussion{$thisindex}=$idx; 1240: $$shown{$idx} = 0; 1241: $index[$idx]=$thisindex; 1242: } 1243: if ($outputtarget eq 'export') { 1244: %{$$imsitems{$idx}} = (); 1245: $$imsitems{$idx}{'isvisible'}='true'; 1246: if ($hiddens{$idx}) { 1247: $$imsitems{$idx}{'isvisible'}='false'; 1248: } 1249: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1250: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1251: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1252: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1253: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1254: $contrib{$idx.':sendername'}.':'. 1255: $contrib{$idx.':senderdomain'}.')'; 1256: $$imsitems{$idx}{'isanonymous'}='false'; 1257: if ($contrib{$idx.':anonymous'}) { 1258: $$imsitems{$idx}{'isanonymous'}='true'; 1259: } 1260: $$imsitems{$idx}{'currversion'}=$numoldver; 1261: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1262: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1263: $$shown{$idx} = 1; 1264: } 1265: } else { 1266: if ($message) { 1267: my $spansize = 2; 1268: if ($showonlyunread && $prevread > $posttime) { 1269: $$notshown{$idx} = 1; 1270: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1271: $$notshown{$idx} = 1; 1272: } else { 1273: # apply filters 1274: my $uname = $contrib{$idx.':sendername'}; 1275: my $udom = $contrib{$idx.':senderdomain'}; 1276: my $poster = $uname.':'.$udom; 1277: if ($env{'form.totposters'} ne '') { 1278: if ($totposters == 0) { 1279: $$shown{$idx} = 0; 1280: } elsif ($totposters > 0) { 1281: if (grep/^$poster$/,@{$posters}) { 1282: $$shown{$idx} = 1; 1283: } 1284: } 1285: } elsif ($sortposts) { 1286: if ($skiptest) { 1287: $$shown{$idx} = 1; 1288: } else { 1289: foreach my $role (@{$$roleinfo{$poster}}) { 1290: if ($role =~ /^cc:/) { 1291: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1292: if ($role =~ /$cc_regexp/) { 1293: $$shown{$idx} = 1; 1294: last; 1295: } 1296: } elsif ($role =~ /^$rolematch$/) { 1297: $$shown{$idx} = 1; 1298: last; 1299: } 1300: } 1301: } 1302: if ($$shown{$idx} && !$skip_group_check) { 1303: my $showflag = 0; 1304: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1305: foreach my $grp (@{$grouppick}) { 1306: if (grep/^\Q$grp\E$/, 1307: keys(%{$$classgroups{$poster}{active}})) { 1308: $showflag = 1; 1309: last; 1310: } 1311: } 1312: } 1313: if ($showflag) { 1314: $$shown{$idx} = 1; 1315: } else { 1316: $$shown{$idx} = 0; 1317: } 1318: } 1319: } else { 1320: $$shown{$idx} = 1; 1321: } 1322: } 1323: unless ($$notshown{$idx} == 1) { 1324: if ($prevread > 0 && $prevread <= $posttime) { 1325: $$newitem{$idx} = 1; 1326: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>'; 1327: } else { 1328: $$newitem{$idx} = 0; 1329: } 1330: $$discussionitems[$idx] .= '<b>'.$subject.'</b>  '. 1331: $sender.' '.$vgrlink.' ('. 1332: &Apache::lonlocal::locallocaltime($posttime).')'; 1333: if ($$dischash{$toggkey}) { 1334: $$discussionitems[$idx].='  '.$ctlink; 1335: } 1336: $$discussionitems[$idx].= '<br /><blockquote>'. 1337: $message.'</blockquote>'; 1338: if ($contrib{$idx.':history'}) { 1339: my @postversions = (); 1340: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1341: if ($seeid) { 1342: $$discussionitems[$idx] .= '  '. 1343: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group)); 1344: } 1345: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1346: if ($contrib{$idx.':history'} =~ m/:/) { 1347: @postversions = split(/:/,$contrib{$idx.':history'}); 1348: } else { 1349: @postversions = ("$contrib{$idx.':history'}"); 1350: } 1351: for (my $i=0; $i<@postversions; $i++) { 1352: my $version = $i+1; 1353: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1354: } 1355: } 1356: # end of unless ($$notshown ...) 1357: } 1358: # end of if ($message) ... 1359: } 1360: # end of the else-branch of target being export 1361: } 1362: # end of unless hidden or deleted 1363: } 1364: # end of the loop over all discussion entries 1365: } 1366: # end of "if there actually are any discussions 1367: } 1368: # end of subroutine "build_posting_display" 1369: } 1370: 1371: sub filter_regexp { 1372: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1373: my ($roleregexp,$secregexp,$statusregexp); 1374: my $skiptest = 1; 1375: if (@{$rolefilter} > 0) { 1376: my @okrolefilter = (); 1377: foreach my $role (@{$rolefilter}) { 1378: unless ($role eq '') { 1379: push(@okrolefilter, $role); 1380: } 1381: } 1382: if (@okrolefilter > 0) { 1383: if (grep/^all$/,@okrolefilter) { 1384: $roleregexp='[^:]+'; 1385: } else { 1386: if (@okrolefilter == 1) { 1387: $roleregexp=$okrolefilter[0]; 1388: } else { 1389: $roleregexp='('.join('|',@okrolefilter).')'; 1390: } 1391: $skiptest = 0; 1392: } 1393: } 1394: } 1395: if (@{$sectionpick} > 0) { 1396: my @oksectionpick = (); 1397: foreach my $sec (@{$sectionpick}) { 1398: unless ($sec eq '') { 1399: push(@oksectionpick, $sec); 1400: } 1401: } 1402: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1403: if (@oksectionpick == 1) { 1404: $secregexp = $oksectionpick[0]; 1405: } else { 1406: $secregexp .= '('.join('|',@oksectionpick).')'; 1407: } 1408: $skiptest = 0; 1409: } else { 1410: $secregexp .= '[^:]*'; 1411: } 1412: } 1413: 1414: if (defined($statusfilter) && $statusfilter ne '') { 1415: if ($statusfilter eq 'all') { 1416: $statusregexp = '[^:]+'; 1417: } else { 1418: $statusregexp = $statusfilter; 1419: $skiptest = 0; 1420: } 1421: } 1422: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1423: } 1424: 1425: 1426: sub get_post_contents { 1427: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1428: my $discussion = ''; 1429: my $start=$numver; 1430: my $end=$numver + 1; 1431: %{$$imsfiles{$idx}}=(); 1432: if ($type eq 'allversions') { 1433: unless($seeid) { 1434: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1435: return $discussion; 1436: } 1437: } 1438: # $$screenname=&Apache::loncommon::screenname( 1439: # $$contrib{$idx.':sendername'}, 1440: # $$contrib{$idx.':senderdomain'}); 1441: $$plainname=&Apache::loncommon::nickname( 1442: $$contrib{$idx.':sendername'}, 1443: $$contrib{$idx.':senderdomain'}); 1444: $$screenname=$$contrib{$idx.':screenname'}; 1445: 1446: my $sender=&Apache::loncommon::aboutmewrapper( 1447: $$plainname, 1448: $$contrib{$idx.':sendername'}, 1449: $$contrib{$idx.':senderdomain'}).' ('. 1450: $$contrib{$idx.':sendername'}.':'. 1451: $$contrib{$idx.':senderdomain'}.')'; 1452: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1453: my @postversions = (); 1454: if ($type eq 'allversions' || $type eq 'export') { 1455: $start = 0; 1456: if ($$contrib{$idx.':history'}) { 1457: @postversions = split(/:/,$$contrib{$idx.':history'}); 1458: } 1459: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1460: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1461: push(@postversions,$$contrib{$idx.':timestamp'}); 1462: $end = @postversions; 1463: } else { 1464: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1465: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1466: } 1467: 1468: if ($$contrib{$idx.':anonymous'}) { 1469: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1470: } 1471: if ($type eq 'allversions') { 1472: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1473: } 1474: for (my $i=$start; $i<$end; $i++) { 1475: my ($timesent,$attachmsg); 1476: my %currattach = (); 1477: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1478: unless (&contains_block_html($messages->{$i})) { 1479: &newline_to_br(\$messages->{$i}); 1480: } 1481: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1482: $$subjects{$i}=~s/\n/\<br \/\>/g; 1483: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1484: if ($attachmenturls) { 1485: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1486: } 1487: if ($type eq 'export') { 1488: $$imsfiles{$idx}{$i} = ''; 1489: if ($attachmsg) { 1490: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1491: foreach my $key (sort(keys(%currattach))) { 1492: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1493: my $fname = $1.$3.'/'.$4; 1494: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1495: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1496: } 1497: } 1498: } 1499: } else { 1500: if ($attachmsg) { 1501: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1502: } else { 1503: $$attachtxt{$i} = ''; 1504: } 1505: } 1506: if ($type eq 'allversions') { 1507: $discussion.= <<"END"; 1508: <li><b>$$subjects{$i}</b>, $timesent<br /> 1509: $$messages{$i}<br /> 1510: $$attachtxt{$i}</li> 1511: END 1512: } 1513: } 1514: if ($type eq 'allversions') { 1515: $discussion.='</ul>'; 1516: return $discussion; 1517: } else { 1518: return; 1519: } 1520: } 1521: 1522: sub replicate_attachments { 1523: my ($attachrefs,$tempexport) = @_; 1524: my $response; 1525: foreach my $id (keys(%{$attachrefs})) { 1526: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1527: my $path = $tempexport; 1528: my $tail = $1.'/'.$2.$4; 1529: my @extras = split(/\//,$tail); 1530: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1531: if (!-e $destination) { 1532: my $i= 0; 1533: while ($i<@extras) { 1534: $path .= '/'.$extras[$i]; 1535: if (!-e $path) { 1536: mkdir($path,0700); 1537: } 1538: $i ++; 1539: } 1540: my ($content,$rtncode); 1541: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1542: if ($uploadreply eq 'ok') { 1543: my $attachcopy; 1544: if ($attachcopy = Apache::File->new('>'.$destination)) { 1545: print $attachcopy $content; 1546: close($attachcopy); 1547: } else { 1548: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1549: } 1550: } else { 1551: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1552: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1553: } 1554: } 1555: } 1556: } 1557: return $response; 1558: } 1559: 1560: sub mail_screen { 1561: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1562: if (exists($env{'form.origpage'})) { 1563: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1564: } 1565: 1566: my %lt = &Apache::lonlocal::texthash( 1567: 'myqu' => 'My question/comment/feedback:', 1568: 'title' => 'Title', 1569: 'reta' => 'Retained attachments', 1570: 'atta' => 'Attachment', 1571: ); 1572: my $restitle = &get_resource_title($caller_symb,$feedurl); 1573: my $quote=''; 1574: my $subject = ''; 1575: my $comment = ''; 1576: my $prevtag = ''; 1577: my $parentmsg = ''; 1578: my ($symb,$idx,$attachmenturls); 1579: my $numoldver = 0; 1580: my $attachmsg = ''; 1581: my $newattachmsg = ''; 1582: my @currnewattach = (); 1583: my @currdelold = (); 1584: my @keepold = (); 1585: my %attachments = (); 1586: my %currattach = (); 1587: my $attachnum = 0; 1588: my $anonchk = (<<END); 1589: function anonchk() { 1590: for (var i=0; i < document.mailform.discuss.length; i++) { 1591: if (document.mailform.discuss[i].checked) { 1592: document.attachment.discuss.value = 1593: document.mailform.discuss[i].value; 1594: } 1595: } 1596: if (document.mailform.blog.checked) { 1597: document.attachment.blog.value = 1; 1598: } 1599: return 1600: } 1601: END 1602: my $anonscript; 1603: if (exists($env{'form.origpage'})) { 1604: $anonscript = (<<END); 1605: function setposttype() { 1606: var disc = "$env{'form.discuss'}"; 1607: for (var i=0; i < document.mailform.discuss.length; i++) { 1608: if (disc == document.mailform.discuss[i].value) { 1609: document.mailform.discuss[i].checked = 1; 1610: } 1611: } 1612: var blog = "$env{'form.blog'}"; 1613: if (blog == 1) { 1614: document.mailform.blog.checked=1; 1615: } 1616: return 1617: } 1618: END 1619: } else { 1620: $anonscript = (<<END); 1621: function setposttype() { 1622: return 1623: } 1624: END 1625: } 1626: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1627: if ($env{'form.replydisc'}) { 1628: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1629: } else { 1630: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1631: } 1632: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1633: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1634: $env{'course.'.$env{'request.course.id'}.'.num'}); 1635: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1636: if ($contrib{$idx.':history'}) { 1637: if ($contrib{$idx.':history'} =~ /:/) { 1638: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1639: $numoldver = @oldversions; 1640: } else { 1641: $numoldver = 1; 1642: } 1643: } 1644: if ($env{'form.replydisc'}) { 1645: if ($contrib{$idx.':history'}) { 1646: if ($contrib{$idx.':history'} =~ /:/) { 1647: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1648: $numoldver = @oldversions; 1649: } else { 1650: $numoldver = 1; 1651: } 1652: } 1653: if ($idx > 0) { 1654: my %msgversions = (); 1655: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1656: $quote = $msgversions{$numoldver}; 1657: } 1658: if ($idx > 0) { 1659: my %subversions = (); 1660: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1661: $subject = &mt('Re: ').$subversions{$numoldver}; 1662: } 1663: $subject = &HTML::Entities::encode($subject,'<>&"'); 1664: } else { 1665: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1666: if ($idx > 0) { 1667: my %msgversions = (); 1668: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1669: $comment = $msgversions{$numoldver}; 1670: my %subversions = (); 1671: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1672: $subject = $subversions{$numoldver}; 1673: } 1674: if (defined($contrib{$idx.':replyto'})) { 1675: $parentmsg = $contrib{$idx.':replyto'}; 1676: } 1677: unless (exists($env{'form.origpage'})) { 1678: my $anonflag = 'nonanon'; 1679: if ($contrib{$idx.':anonymous'}) { 1680: $anonflag = 'anon'; 1681: } 1682: $anonscript = (<<END); 1683: function setposttype () { 1684: var currtype = "$anonflag"; 1685: for (var i=0; i<document.mailform.discuss.length; i++) { 1686: if (document.mailform.elements.discuss[i].value == currtype ) { 1687: document.mailform.elements.discuss[i].checked=1; 1688: } 1689: } 1690: return 1691: } 1692: END 1693: } 1694: } 1695: } 1696: if ($env{'form.previous'}) { 1697: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1698: } 1699: } 1700: 1701: if ($env{'form.origpage'}) { 1702: $subject = &unescape($env{'form.subject'}); 1703: $comment = &unescape($env{'form.comment'}); 1704: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1705: } 1706: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0)); 1707: my $send=&mt('Send'); 1708: my $alert = &mt('Please select a feedback type.'); 1709: my $js= <<END; 1710: <script type="text/javascript"> 1711: // 1745: </script> 1746: END 1747: 1748: my ($textareaheader,$textareaclass); 1749: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1750: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1751: $textareaclass = 'class="LC_richDefaultOff"'; 1752: if ($env{'request.course.id'}) { 1753: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1754: undef($textareaclass); 1755: } 1756: } 1757: } 1758: 1759: # Breadcrumbs 1760: my $brcrum = [{'href' => '', 1761: 'text' => 'Resource Feedback and Discussion'}]; 1762: 1763: my %onload = ('onload' => 'window.focus();setposttype();'); 1764: my %parms=('add_entries' => \%onload); 1765: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1766: my $start_page= 1767: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1768: 1769: if ($quote ne '') { 1770: $quote = &HTML::Entities::decode($quote); 1771: unless (&contains_block_html($quote)) { 1772: &newline_to_br(\$quote); 1773: } 1774: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1775: } 1776: my $header=''; 1777: unless ($env{'form.modal'}) { 1778: $header="<h2><tt>$restitle</tt></h2>"; 1779: } 1780: $r->print(<<END); 1781: $start_page 1782: $header 1783: <form action="/adm/feedback" method="post" name="mailform" 1784: enctype="multipart/form-data"> 1785: $prevtag 1786: <input type="hidden" name="postdata" value="$feedurl" /> 1787: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1788: END 1789: if ($env{'form.replydisc'}) { 1790: $r->print(<<END); 1791: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1792: END 1793: } elsif ($env{'form.editdisc'}) { 1794: $r->print(<<END); 1795: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1796: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1797: END 1798: } 1799: $r->print(<<END); 1800: $options 1801: $quote 1802: <p>$lt{'myqu'} 1803: $textareaheader 1804: </p> 1805: <p> 1806: $latexHelp 1807: </p> 1808: <p> 1809: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1810: <p> 1811: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1812: </textarea></p> 1813: END 1814: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1815: if ($env{'form.origpage'}) { 1816: foreach my $attach (@currnewattach) { 1817: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1818: } 1819: foreach my $oldatt (@currdelold) { 1820: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1821: } 1822: } 1823: if ($env{'form.editdisc'}) { 1824: if ($attachmenturls) { 1825: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1826: $attachnum = scalar(keys(%currattach)); 1827: foreach my $key (keys(%currattach)) { 1828: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1829: } 1830: } 1831: } 1832: } else { 1833: $r->print(<<END); 1834: <p> 1835: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1836: </p> 1837: END 1838: } 1839: if (exists($env{'form.group'})) { 1840: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1841: } 1842: if (exists($env{'form.ref'})) { 1843: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1844: } 1845: $r->print(<<END); 1846: <p> 1847: <input type="hidden" name="sendit" value="1" /> 1848: <input type="button" value="$send" onclick='gosubmit();' /> 1849: </p> 1850: </form> 1851: END 1852: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1853: my $now = time; 1854: my $ressymb = $symb; 1855: &Apache::lonenc::check_encrypt(\$ressymb); 1856: my $postidx = ''; 1857: if ($env{'form.editdisc'}) { 1858: $postidx = $idx; 1859: } 1860: if (@currnewattach > 0) { 1861: $attachnum += @currnewattach; 1862: } 1863: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1864: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1865: if ($attachnum > 0) { 1866: if (@currnewattach > 0) { 1867: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1868: if (@currnewattach > 1) { 1869: $newattachmsg .= '<ol>'; 1870: foreach my $item (@currnewattach) { 1871: $item =~ m#.*/([^/]+)$#; 1872: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1873: } 1874: $newattachmsg .= '</ol>'."\n"; 1875: } else { 1876: $currnewattach[0] =~ m#.*/([^/]+)$#; 1877: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1878: } 1879: } 1880: if ($attachmsg) { 1881: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1882: } 1883: if ($newattachmsg) { 1884: $r->print("$newattachmsg<br />"); 1885: } 1886: } 1887: } 1888: $r->print(&generate_preview_button(). 1889: &Apache::loncommon::end_page()); 1890: 1891: } 1892: 1893: sub print_display_options { 1894: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1895: &Apache::loncommon::content_type($r,'text/html'); 1896: $r->send_http_header; 1897: 1898: my $function = &Apache::loncommon::get_users_function(); 1899: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1900: $env{'user.domain'}); 1901: 1902: my %lt = &Apache::lonlocal::texthash( 1903: 'pref' => 'Display Preference', 1904: 'curr' => 'Current setting ', 1905: 'actn' => 'Action', 1906: 'deff' => 'Default for all discussions', 1907: 'prca' => 'Preferences can be set for this discussion that determine ....', 1908: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1909: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1910: 'wipa' => 'Whether individual posts can be marked as read/unread', 1911: 'allposts' => 'All posts', 1912: 'unread' => 'New posts only', 1913: 'unmark' => 'Posts not marked read', 1914: 'ondisp' => 'Once displayed', 1915: 'onmark' => 'Once marked not NEW', 1916: 'toggon' => 'Shown', 1917: 'toggoff' => 'Not shown', 1918: 'disa' => 'Posts displayed?', 1919: 'npmr' => 'New posts cease to be identified as "NEW"?', 1920: 'dotm' => 'Option to mark each post as read/unread?', 1921: 'chgt' => 'Change to ', 1922: 'mkdf' => 'Set to ', 1923: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1924: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1925: ); 1926: 1927: my $dispchangeA = $lt{'unread'}; 1928: my $dispchangeB = $lt{'unmark'}; 1929: my $markchange = $lt{'ondisp'}; 1930: my $toggchange = $lt{'toggon'}; 1931: my $currdisp = $lt{'allposts'}; 1932: my $currmark = $lt{'onmark'}; 1933: my $discdisp = 'allposts'; 1934: my $discmark = 'onmark'; 1935: my $currtogg = $lt{'toggoff'}; 1936: my $disctogg = 'toggoff'; 1937: 1938: if ($dispchgA eq 'allposts') { 1939: $dispchangeA = $lt{'allposts'}; 1940: $currdisp = $lt{'unread'}; 1941: $discdisp = 'unread'; 1942: } 1943: 1944: if ($markchg eq 'markonread') { 1945: $markchange = $lt{'onmark'}; 1946: $currmark = $lt{'ondisp'}; 1947: $discmark = 'ondisp'; 1948: } 1949: 1950: if ($dispchgB eq 'onlyunread') { 1951: $dispchangeB = $lt{'unread'}; 1952: $currdisp = $lt{'unmark'}; 1953: $discdisp = 'unmark'; 1954: } 1955: if ($toggchg eq 'toggoff') { 1956: $toggchange = $lt{'toggoff'}; 1957: $currtogg = $lt{'toggon'}; 1958: $disctogg = 'toggon'; 1959: } 1960: 1961: my $js = <<END; 1962: <script type="text/javascript"> 1963: function discdispChk(caller) { 1964: var disctogg = '$toggchg' 1965: if (caller == 0) { 1966: if (document.modifydisp.discdisp[0].checked == true) { 1967: if (document.modifydisp.discdisp[1].checked == true) { 1968: document.modifydisp.discdisp[1].checked = false 1969: } 1970: } 1971: } 1972: if (caller == 1) { 1973: if (document.modifydisp.discdisp[1].checked == true) { 1974: if (document.modifydisp.discdisp[0].checked == true) { 1975: document.modifydisp.discdisp[0].checked = false 1976: } 1977: if (disctogg == 'toggon') { 1978: document.modifydisp.disctogg.checked = true 1979: } 1980: if (disctogg == 'toggoff') { 1981: document.modifydisp.disctogg.checked = false 1982: } 1983: } 1984: } 1985: if (caller == 2) { 1986: var dispchgB = '$dispchgB' 1987: if (disctogg == 'toggoff') { 1988: if (document.modifydisp.disctogg.checked == true) { 1989: if (dispchgB == 'onlyunmark') { 1990: document.modifydisp.discdisp[1].checked = false 1991: } 1992: } 1993: } 1994: } 1995: } 1996: 1997: function setDisp() { 1998: var prev = "$previous" 1999: var chktotal = 0 2000: if (document.modifydisp.discdisp[0].checked == true) { 2001: document.modifydisp.$dispchgA.value = "$symb" 2002: chktotal ++ 2003: } 2004: if (document.modifydisp.discdisp[1].checked == true) { 2005: document.modifydisp.$dispchgB.value = "$symb" 2006: chktotal ++ 2007: } 2008: if (document.modifydisp.discmark.checked == true) { 2009: document.modifydisp.$markchg.value = "$symb" 2010: chktotal ++ 2011: } 2012: if (document.modifydisp.disctogg.checked == true) { 2013: document.modifydisp.$toggchg.value = "$symb" 2014: chktotal ++ 2015: } 2016: if (chktotal > 0) { 2017: document.modifydisp.submit() 2018: } else { 2019: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2020: if (prev > 0) { 2021: location.href = "$feedurl?previous=$previous" 2022: } else { 2023: location.href = "$feedurl" 2024: } 2025: } 2026: } 2027: } 2028: </script> 2029: END 2030: 2031: 2032: my $start_page = 2033: &Apache::loncommon::start_page('Discussion display options',$js); 2034: my $end_page = 2035: &Apache::loncommon::end_page(); 2036: $r->print(<<END); 2037: $start_page 2038: <form name="modifydisp" method="post" action="/adm/feedback"> 2039: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2040: <br /> 2041: END 2042: $r->print(&Apache::loncommon::start_data_table()); 2043: $r->print(<<END); 2044: <tr> 2045: <th>$lt{'pref'}</td> 2046: <th>$lt{'curr'}</td> 2047: <th>$lt{'actn'}?</td> 2048: </tr> 2049: END 2050: $r->print(&Apache::loncommon::start_data_table_row()); 2051: $r->print(<<END); 2052: <td>$lt{'disa'}</td> 2053: <td>$lt{$discdisp}</td> 2054: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2055: <br /> 2056: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2057: </td> 2058: END 2059: $r->print(&Apache::loncommon::end_data_table_row()); 2060: $r->print(&Apache::loncommon::start_data_table_row()); 2061: $r->print(<<END); 2062: <td>$lt{'npmr'}</td> 2063: <td>$lt{$discmark}</td> 2064: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2065: END 2066: $r->print(&Apache::loncommon::end_data_table_row()); 2067: $r->print(&Apache::loncommon::start_data_table_row()); 2068: $r->print(<<END); 2069: <td>$lt{'dotm'}</td> 2070: <td>$lt{$disctogg}</td> 2071: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2072: END 2073: my $save = &mt('Save'); 2074: $r->print(&Apache::loncommon::end_data_table_row()); 2075: $r->print(&Apache::loncommon::end_data_table()); 2076: $r->print(<<END); 2077: <br /> 2078: <br /> 2079: <input type="hidden" name="symb" value="$symb" /> 2080: <input type="hidden" name="previous" value="$previous" /> 2081: <input type="hidden" name="$dispchgA" value="" /> 2082: <input type="hidden" name="$dispchgB" value="" /> 2083: <input type="hidden" name="$markchg" value="" /> 2084: <input type="hidden" name="$toggchg" value="" /> 2085: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2086: END 2087: if (exists($env{'form.group'})) { 2088: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2089: } 2090: if (exists($env{'form.ref'})) { 2091: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2092: } 2093: $r->print(" 2094: <br /> 2095: <br /> 2096: </form> 2097: $end_page 2098: "); 2099: return; 2100: } 2101: 2102: sub print_sortfilter_options { 2103: my ($r,$symb,$previous,$feedurl) = @_; 2104: 2105: &Apache::loncommon::content_type($r,'text/html'); 2106: $r->send_http_header; 2107: 2108: &Apache::lonenc::check_encrypt(\$symb); 2109: my @sections; 2110: my $section_sel = ''; 2111: my $numvisible = 5; 2112: my @groups; 2113: my $group_sel = ''; 2114: my $numgroupvis = 5; 2115: my %sectioncount = &Apache::loncommon::get_sections(); 2116: my @courseroles = qw(st ad ep ta in); 2117: my $crstype = &Apache::loncommon::course_type(); 2118: my $ccrole = 'cc'; 2119: if ($crstype eq 'Community') { 2120: $ccrole = 'co'; 2121: } 2122: push(@courseroles,$ccrole); 2123: 2124: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2125: @sections = ('all',$env{'request.course.sec'}); 2126: $numvisible = 2; 2127: } else { 2128: @sections = sort {$a cmp $b} keys(%sectioncount); 2129: if (scalar(@sections) < 4) { 2130: $numvisible = scalar(@sections) + 1; 2131: } 2132: unshift(@sections,'all'); # Put 'all' at the front of the list 2133: 2134: } 2135: foreach my $sec (@sections) { 2136: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2137: } 2138: 2139: if (&check_group_priv() eq 'ok') { 2140: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2141: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2142: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2143: @groups = sort {$a cmp $b} keys(%curr_groups); 2144: if (scalar(@groups) < 4) { 2145: $numgroupvis = scalar(@groups) + 1; 2146: } 2147: unshift(@groups,'all'); # Put 'all' at the front of the list 2148: } else { 2149: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2150: if (@coursegroups > 0) { 2151: @coursegroups = sort {$a cmp $b} @coursegroups; 2152: @groups = ('all',@coursegroups); 2153: if (scalar(@groups) < 4) { 2154: $numgroupvis = scalar(@groups) + 1; 2155: } 2156: } else { 2157: @groups = ('all'); 2158: $numgroupvis = 1; 2159: } 2160: } 2161: foreach my $group (@groups) { 2162: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2163: } 2164: 2165: my $function = &Apache::loncommon::get_users_function(); 2166: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2167: $env{'user.domain'}); 2168: my %lt = &Apache::lonlocal::texthash( 2169: 'diop' => 'Display Options', 2170: 'curr' => 'Current setting ', 2171: 'actn' => 'Action', 2172: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2173: 'soor' => 'Sort order', 2174: 'spur' => 'Specific user roles', 2175: 'sprs' => 'Specific role status', 2176: 'spse' => 'Specific sections', 2177: 'spgr' => 'Specific groups', 2178: 'psub' => 'Pick specific users (by name)', 2179: 'shal' => 'Show a list of current posters', 2180: 'stor' => 'Save changes', 2181: ); 2182: 2183: my %sort_types = (); 2184: my %role_types = (); 2185: my %status_types = (); 2186: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2187: 2188: my $js = <<END; 2189: <script type="text/javascript"> 2190: function verifyFilter() { 2191: var rolenum = 0 2192: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2193: if (document.modifyshown.rolefilter.options[i].selected == true) { 2194: rolenum ++ 2195: } 2196: } 2197: if (rolenum == 0) { 2198: document.modifyshown.rolefilter.options[0].selected = true 2199: } 2200: 2201: var secnum = 0 2202: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2203: if (document.modifyshown.sectionpick.options[i].selected == true) { 2204: secnum ++ 2205: } 2206: } 2207: if (secnum == 0) { 2208: document.modifyshown.sectionpick.options[0].selected = true 2209: } 2210: 2211: var grpnum = 0 2212: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2213: if (document.modifyshown.grouppick.options[i].selected == true) { 2214: grpnum ++ 2215: } 2216: } 2217: if (grpnum == 0) { 2218: document.modifyshown.grouppick.options[0].selected = true 2219: } 2220: 2221: document.modifyshown.submit(); 2222: } 2223: </script> 2224: END 2225: 2226: my $start_page= 2227: &Apache::loncommon::start_page('Discussion options',$js); 2228: my $end_page= 2229: &Apache::loncommon::end_page(); 2230: 2231: $r->print(<<END); 2232: $start_page 2233: <form name="modifyshown" method="post" action="/adm/feedback"> 2234: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2235: <br /> 2236: <table border="0"> 2237: <tr> 2238: <th>$lt{'soor'}</th> 2239: <th> </th> 2240: <th>$lt{'sprs'}</th> 2241: <th> </th> 2242: <th>$lt{'spur'}</th> 2243: <th> </th> 2244: <th>$lt{'spse'}</th> 2245: <th> </th> 2246: <th>$lt{'spgr'}</th> 2247: <th> </th> 2248: <th>$lt{'psub'}</th> 2249: </tr> 2250: <tr> 2251: <td align="center" valign="top"> 2252: <select name="sortposts"> 2253: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2254: <option value="descdate">$sort_types{'descdate'}</option> 2255: <option value="thread">$sort_types{'thread'}</option> 2256: <option value="subject">$sort_types{'subject'}</option> 2257: <option value="username">$sort_types{'username'}</option> 2258: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2259: </select> 2260: </td> 2261: <td> </td> 2262: <td align="center" valign="top"> 2263: <select name="statusfilter"> 2264: <option value="all" selected="selected">$status_types{'all'}</option> 2265: <option value="Active">$status_types{'Active'}</option> 2266: <option value="Expired">$status_types{'Expired'}</option> 2267: <option value="Future">$status_types{'Future'}</option> 2268: </select> 2269: </td> 2270: <td> </td> 2271: <td align="center" valign="top"> 2272: <select name="rolefilter" multiple="multiple" size="5"> 2273: <option value="all">$role_types{'all'}</option> 2274: <option value="st">$role_types{'st'}</option> 2275: <option value="$ccrole">$role_types{$ccrole}</option> 2276: <option value="in">$role_types{'in'}</option> 2277: <option value="ta">$role_types{'ta'}</option> 2278: <option value="ep">$role_types{'ep'}</option> 2279: <option value="ad">$role_types{'ad'}</option> 2280: <option value="cr">$role_types{'cr'}</option> 2281: </select> 2282: </td> 2283: <td> </td> 2284: <td align="center" valign="top"> 2285: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2286: $section_sel 2287: </select> 2288: </td> 2289: <td> </td> 2290: <td align="center" valign="top"> 2291: <select name="grouppick" multiple="multiple" size="$numvisible"> 2292: $group_sel 2293: </select> 2294: </td> 2295: <td> </td> 2296: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2297: </tr> 2298: </table> 2299: <br /> 2300: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" /> 2301: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2302: <input type="hidden" name="previous" value="$previous" /> 2303: <input type="hidden" name="applysort" value="$symb" /> 2304: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2305: END 2306: if (exists($env{'form.group'})) { 2307: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2308: } 2309: if (exists($env{'form.ref'})) { 2310: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2311: } 2312: $r->print(" 2313: <br /> 2314: <br /> 2315: </form> 2316: $end_page 2317: "); 2318: } 2319: 2320: sub print_showposters { 2321: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2322: 2323: &Apache::loncommon::content_type($r,'text/html'); 2324: $r->send_http_header; 2325: 2326: &Apache::lonenc::check_encrypt(\$symb); 2327: my $crs='/'.$env{'request.course.id'}; 2328: if ($env{'request.course.sec'}) { 2329: $crs.='_'.$env{'request.course.sec'}; 2330: } 2331: $crs=~s/\_/\//g; 2332: my $seeid; 2333: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2334: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2335: my $group = $env{'form.group'}; 2336: my $ressymb = &wrap_symb($symb); 2337: if (($group ne '') && 2338: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2339: if (&check_group_priv($group,'dgp') eq 'ok') { 2340: $seeid = 1; 2341: } 2342: } else { 2343: $seeid=&Apache::lonnet::allowed('rin',$crs); 2344: } 2345: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2346: $cdom,$cnum); 2347: my %namesort = (); 2348: my %postcounts = (); 2349: 2350: my %lt = &Apache::lonlocal::texthash( 2351: sele => 'Select', 2352: full => 'Fullname', 2353: usdo => 'Username:domain', 2354: post => 'Posts', 2355: ); 2356: if ($contrib{'version'}) { 2357: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2358: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2359: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2360: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2361: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2362: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2363: my $lastname = $names{'lastname'}; 2364: my $firstname = $names{'firstname'}; 2365: if ($lastname eq '') { 2366: $lastname = '_'; 2367: } 2368: if ($firstname eq '') { 2369: $firstname = '_'; 2370: } 2371: unless (defined($namesort{$lastname})) { 2372: %{$namesort{$lastname}} = (); 2373: } 2374: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2375: $postcounts{$poster} ++; 2376: if (defined($namesort{$lastname}{$firstname})) { 2377: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2378: push(@{$namesort{$lastname}{$firstname}}, $poster); 2379: } 2380: } else { 2381: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2382: } 2383: } 2384: } 2385: } 2386: } 2387: 2388: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2389: my $table_start =&Apache::loncommon::start_data_table(); 2390: $r->print(<<END); 2391: $start_page 2392: <form name="pickpostersform" method="post"> 2393: <br /> 2394: $table_start 2395: <tr> 2396: <th>#</th> 2397: <th>$lt{'sele'}</th> 2398: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2399: <th>$lt{'post'}</th> 2400: </tr> 2401: END 2402: my $count = 0; 2403: foreach my $last (sort(keys(%namesort))) { 2404: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2405: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2406: my ($uname,$udom) = split(/:/,$user); 2407: if (!$uname || !$udom) { 2408: next; 2409: } else { 2410: $count ++; 2411: $r->print(&Apache::loncommon::start_data_table_row(). 2412: '<td align="right">'.$count.'</td> 2413: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2414: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2415: <td>'.$postcounts{$user}.'</td>'. 2416: &Apache::loncommon::end_data_table_row()); 2417: } 2418: } 2419: } 2420: } 2421: $r->print(&Apache::loncommon::end_data_table()); 2422: my $end_page = &Apache::loncommon::end_page(); 2423: $r->print(<<END); 2424: <br /> 2425: <input type="hidden" name="sortposts" value="$sortposts" /> 2426: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2427: <input type="hidden" name="userpick" value="$symb" /> 2428: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2429: </form> 2430: $end_page 2431: END 2432: } 2433: 2434: sub get_post_versions { 2435: my ($versions,$incoming,$htmldecode,$numver) = @_; 2436: if ($incoming =~ /^<version num="0">/) { 2437: my $p = HTML::LCParser->new(\$incoming); 2438: my $done = 0; 2439: 2440: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2441: my $num = $token->[1]{num}; 2442: my $text = $p->get_text("/version"); 2443: if (defined($numver)) { 2444: if ($num == $numver) { 2445: if ($htmldecode) { 2446: $text = &HTML::Entities::decode($text); 2447: } 2448: $$versions{$numver}=$text; 2449: $done = 1; 2450: } 2451: } else { 2452: if ($htmldecode) { 2453: $text = &HTML::Entities::decode($text); 2454: } 2455: $$versions{$num}=$text; 2456: } 2457: } 2458: } else { 2459: if (!defined($numver)) { 2460: $numver = 0; 2461: } 2462: if ($htmldecode) { 2463: $$versions{$numver} = $incoming; 2464: } else { 2465: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2466: } 2467: } 2468: return; 2469: } 2470: 2471: sub get_post_attachments { 2472: my ($attachments,$attachmenturls) = @_; 2473: my $num; 2474: if ($attachmenturls =~ m/^<attachment id="0">/) { 2475: my $p = HTML::LCParser->new(\$attachmenturls); 2476: while (my $token = $p->get_tag("attachment","filename","post")) { 2477: if ($token->[0] eq "attachment") { 2478: $num = $token->[1]{id}; 2479: %{$$attachments{$num}} =(); 2480: } elsif ($token->[0] eq "filename") { 2481: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2482: } elsif ($token->[0] eq "post") { 2483: my $id = $token->[1]{id}; 2484: $$attachments{$num}{$id} = $p->get_text("/post"); 2485: } 2486: } 2487: } else { 2488: %{$$attachments{'0'}} = (); 2489: $$attachments{'0'}{'filename'} = $attachmenturls; 2490: $$attachments{'0'}{'0'} = 'n'; 2491: } 2492: 2493: return; 2494: } 2495: 2496: sub fail_redirect { 2497: my ($r,$feedurl) = @_; 2498: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2499: my %lt = &Apache::lonlocal::texthash( 2500: 'sorr' => 'Sorry, no recipients ...', 2501: ); 2502: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2503: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2504: {'redirect' => [2,$feedurl], 2505: 'only_body' => 1,})); 2506: $r->print(<<ENDFAILREDIR); 2507: <img align="right" src="$logo" /> 2508: <b>$lt{'sorr'}</b> 2509: ENDFAILREDIR 2510: $r->print(&Apache::loncommon::end_page()); 2511: } 2512: 2513: sub redirect_back { 2514: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2515: my $sorttag = ''; 2516: my $roletag = ''; 2517: my $statustag = ''; 2518: my $sectag = ''; 2519: my $grptag = ''; 2520: my $userpicktag = ''; 2521: my $qrystr = ''; 2522: my $prevtag = ''; 2523: 2524: &Apache::loncommon::content_type($r,'text/html'); 2525: $r->send_http_header; 2526: &dewrapper(\$feedurl); 2527: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2528: if ($previous > 0) { 2529: $qrystr = 'previous='.$previous; 2530: if ($feedurl =~ /\?register=1/) { 2531: $feedurl .= '&'.$qrystr; 2532: } else { 2533: $feedurl .= '?'.$qrystr; 2534: } 2535: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2536: } 2537: if (defined($sort)) { 2538: my $sortqry = 'sortposts='.$sort; 2539: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2540: $feedurl .= '&'.$sortqry; 2541: } else { 2542: $feedurl .= '?'.$sortqry; 2543: } 2544: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2545: if (defined($numpicks)) { 2546: my $userpickqry = 'totposters='.$numpicks; 2547: $feedurl .= '&'.$userpickqry; 2548: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2549: } else { 2550: if (ref($sectionpick) eq 'ARRAY') { 2551: $feedurl .= '&sectionpick='; 2552: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2553: foreach my $sec (@{$sectionpick}) { 2554: $feedurl .= $sec.','; 2555: $sectag .= $sec.','; 2556: } 2557: $feedurl =~ s/,$//; 2558: $sectag =~ s/,$//; 2559: $sectag .= '" />'; 2560: } else { 2561: $feedurl .= '&sectionpick='.$sectionpick; 2562: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2563: } 2564: if (ref($grouppick) eq 'ARRAY') { 2565: $feedurl .= '&grouppick='; 2566: $sectag .= '<input type="hidden" name="grouppick" value="'; 2567: foreach my $grp (@{$grouppick}) { 2568: $feedurl .= $grp.','; 2569: $grptag .= $grp.','; 2570: } 2571: $feedurl =~ s/,$//; 2572: $grptag =~ s/,$//; 2573: $grptag .= '" />'; 2574: } else { 2575: $feedurl .= '&grouppick='.$grouppick; 2576: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2577: } 2578: if (ref($rolefilter) eq 'ARRAY') { 2579: $feedurl .= '&rolefilter='; 2580: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2581: foreach my $role (@{$rolefilter}) { 2582: $feedurl .= $role.','; 2583: $roletag .= $role.','; 2584: } 2585: $feedurl =~ s/,$//; 2586: $roletag =~ s/,$//; 2587: $roletag .= '" />'; 2588: } else { 2589: $feedurl .= '&rolefilter='.$rolefilter; 2590: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2591: } 2592: $feedurl .= '&statusfilter='.$statusfilter; 2593: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2594: } 2595: } 2596: my $grouptag; 2597: if ($group ne '') { 2598: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2599: my $refarg; 2600: if (exists($env{'form.ref'})) { 2601: $refarg = '&ref='.$env{'form.ref'}; 2602: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2603: } 2604: if ($feedurl =~ /\?/) { 2605: $feedurl .= '&group='.$group.$refarg; 2606: } else { 2607: $feedurl .= '?group='.$group.$refarg; 2608: } 2609: } 2610: &Apache::lonenc::check_encrypt(\$feedurl); 2611: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2612: my %parms=('only_body' => 1); 2613: if ($env{'form.modal'}) { 2614: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2615: } else { 2616: $parms{'redirect'}=[0,$feedurl]; 2617: } 2618: my $start_page= 2619: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2620: my $end_page = &Apache::loncommon::end_page(); 2621: $r->print(<<ENDREDIR); 2622: $start_page 2623: <img align="right" src="$logo" /> 2624: $typestyle 2625: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2626: $blog 2627: $toolarge 2628: <font color="red">$status</font> 2629: <form name="reldt" action="$feedurl" target="loncapaclient"> 2630: $prevtag 2631: $sorttag 2632: $statustag 2633: $roletag 2634: $sectag 2635: $grptag 2636: $userpicktag 2637: $grouptag 2638: </form> 2639: $end_page 2640: ENDREDIR 2641: } 2642: 2643: sub no_redirect_back { 2644: my ($r,$feedurl) = @_; 2645: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2646: 2647: my %onload; 2648: 2649: my %body_options = ('only_body' => 1, 2650: 'bgcolor' => '#FFFFFF', 2651: 'add_entries' => \%onload,); 2652: 2653: if ($feedurl !~ m{^/adm/feedback}) { 2654: $body_options{'rediect'} = [2,$feedurl]; 2655: } 2656: my $start_page= 2657: &Apache::loncommon::start_page('Feedback not sent',undef, 2658: \%body_options); 2659: 2660: my $end_page = &Apache::loncommon::end_page(); 2661: 2662: &Apache::lonenc::check_encrypt(\$feedurl); 2663: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2664: $r->print (<<ENDNOREDIRTWO); 2665: $start_page 2666: <img align="right" src="$logo" /> 2667: <b>$nofeed</b> 2668: <br /> 2669: $end_page 2670: ENDNOREDIRTWO 2671: } 2672: 2673: sub screen_header { 2674: my ($feedurl,$symb,$group) = @_; 2675: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2676: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2677: my $contribdisc = &mt('Contribution to course discussion of resource'); 2678: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2679: my $namevis = &mt('name only visible to course faculty'); 2680: my $crstype; 2681: if ($env{'request.course.id'}) { 2682: $crstype = &Apache::loncommon::course_type(); 2683: if ($crstype eq 'Community') { 2684: $crscontent = &mt('Question/Comment/Feedback about community content'); 2685: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2686: $contribdisc = &mt('Contribution to community discussion of resource'); 2687: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2688: $namevis = &mt('name only visible to community facilitators'); 2689: } 2690: } 2691: my $msgoptions=''; 2692: my $discussoptions=''; 2693: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2694: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2695: $msgoptions= 2696: '<p><label><input type="radio" name="discuss" value="author" /> '. 2697: &mt('Feedback to resource author').'</label></p>'; 2698: } 2699: my %optionhash=(); 2700: foreach my $type ('question','comment','policy') { 2701: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2702: } 2703: if (&feedback_available(1)) { 2704: $msgoptions.= 2705: '<p><label><input type="radio" name="discuss" value="question" /> '. 2706: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2707: } 2708: if (&feedback_available(0,1)) { 2709: $msgoptions.= 2710: '<p><label><input type="radio" name="discuss" value="course" /> '. 2711: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2712: '</label></p>'; 2713: } 2714: if (&feedback_available(0,0,1)) { 2715: $msgoptions.= 2716: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2717: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2718: '</label></p>'; 2719: } 2720: } 2721: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2722: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2723: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2724: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2725: my $realsymb = $symb; 2726: if ($symb=~/^bulletin___/) { 2727: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2728: $filename=~s|^adm/wrapper/||; 2729: $realsymb=&Apache::lonnet::symbread($filename); 2730: } 2731: if (!$blocked && &discussion_open(undef,$realsymb) && 2732: (&Apache::lonnet::allowed('pch', 2733: $env{'request.course.id'}. 2734: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2735: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2736: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2737: $contribdisc. 2738: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2739: $anoncontrib. 2740: ' <i>('.$namevis.')</i></label> '. 2741: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2742: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2743: if (!$blockblog) { 2744: $discussoptions.= &add_blog_checkbox($crstype); 2745: } 2746: } 2747: } 2748: if ($msgoptions) { 2749: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2750: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'. 2751: '<td>'.$msgoptions.'</td></tr>'; 2752: } 2753: if ($discussoptions) { 2754: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2755: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'. 2756: '<td>'.$discussoptions.'</td></tr>'; 2757: } 2758: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table(); 2759: } 2760: 2761: sub resource_output { 2762: my ($feedurl) = @_; 2763: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2764: $usersaw=~s/\<body[^\>]*\>//gi; 2765: $usersaw=~s/\<\/body\>//gi; 2766: $usersaw=~s/\<html\>//gi; 2767: $usersaw=~s/\<\/html\>//gi; 2768: $usersaw=~s/\<head\>//gi; 2769: $usersaw=~s/\<\/head\>//gi; 2770: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2771: return $usersaw; 2772: } 2773: 2774: sub clear_out_html { 2775: my ($message,$override)=@_; 2776: # Always allow the <m>-tag 2777: my %html=(M=>1); 2778: # Check if more is allowed 2779: my $cid=$env{'request.course.id'}; 2780: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2781: ($override)) { 2782: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2783: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2784: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2785: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2786: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2787: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2788: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2789: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2790: } 2791: # Do the substitution of everything that is not explicitly allowed 2792: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2793: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2794: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2795: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2796: return $message; 2797: } 2798: 2799: sub assemble_email { 2800: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2801: my %lt = &Apache::lonlocal::texthash( 2802: 'prev' => 'Previous attempts of student (if applicable)', 2803: 'orig' => 'Original screen output (if applicable)', 2804: 'corr' => 'Correct Answer(s) (if applicable)', 2805: ); 2806: if (&Apache::loncommon::course_type() eq 'Community') { 2807: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2808: } 2809: my $email=<<"ENDEMAIL"; 2810: $message 2811: ENDEMAIL 2812: my $citations=<<"ENDCITE"; 2813: <h2>$lt{'prev'}</h2> 2814: $prevattempts 2815: <br /><hr /> 2816: <h2>$lt{'orig'}</h2> 2817: $usersaw 2818: <h2>$lt{'corr'}</h2> 2819: $useranswer 2820: ENDCITE 2821: return ($email,$citations); 2822: } 2823: 2824: 2825: sub feedback_available { 2826: my ($question,$course,$policy)=@_; 2827: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2828: $course,$policy); 2829: return scalar(%to); 2830: } 2831: 2832: sub send_msg { 2833: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2834: my $status=''; 2835: my $sendsomething=0; 2836: my $restitle = &get_resource_title($symb,$feedurl); 2837: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2838: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2839: foreach my $key (keys(%to)) { 2840: if ($key) { 2841: my ($user,$domain) = split(/\:/,$key,2); 2842: if (!defined($user)) { 2843: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2844: } elsif (!defined($domain)) { 2845: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2846: } else { 2847: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2848: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2849: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2850: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2851: } else { 2852: $sendsomething++; 2853: } 2854: } 2855: } 2856: } 2857: 2858: # Records of number of feedback messages are kept under the "symb" called "_feedback" 2859: # There are two entries within the framework of a course: 2860: # - the URLs for which feedback was provided 2861: # - the total number of contributions 2862: if ($sendsomething) { 2863: my %record=&getfeedbackrecords(); 2864: my ($temp)=keys(%record); 2865: unless ($temp=~/^error\:/) { 2866: my %newrecord=(); 2867: $newrecord{'resource'}=$feedurl; 2868: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2869: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2870: $status.='<br />'.&mt('Not registered').'<br />'; 2871: } 2872: } 2873: } 2874: return ($status,$sendsomething); 2875: } 2876: 2877: # Routine to get the complete feedback records 2878: 2879: sub getfeedbackrecords { 2880: my ($uname,$udom,$course)=@_; 2881: unless ($uname) { $uname=$env{'user.name'}; } 2882: unless ($udom) { $udom=$env{'user.domain'}; } 2883: unless ($course) { $course=$env{'request.course.id'}; } 2884: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname); 2885: return %record; 2886: } 2887: 2888: # Routine to get feedback statistics 2889: 2890: sub getfeedbackstats { 2891: my %record=&getfeedbackrecords(@_); 2892: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 2893: } 2894: 2895: # Store feedback credit 2896: 2897: sub storefeedbackpoints { 2898: my ($points,$uname,$udom,$course)=@_; 2899: unless ($points) { $points=0; } 2900: unless ($uname) { $uname=$env{'user.name'}; } 2901: unless ($udom) { $udom=$env{'user.domain'}; } 2902: unless ($course) { $course=$env{'request.course.id'}; } 2903: my %record=('grader_user' => $env{'user.name'}, 2904: 'grader_domain' => $env{'user.domain'}, 2905: 'points' => $points); 2906: return &Apache::lonnet::cstore(\%record,'_feedback'); 2907: } 2908: 2909: # Store feedback "likes" 2910: 2911: sub storefeedbacklikes { 2912: my ($likes,$uname,$udom,$course)=@_; 2913: unless ($likes) { $likes=0; } 2914: if ($likes>0) { $likes=1; } 2915: if ($likes<0) { $likes=-1; } 2916: unless ($uname) { $uname=$env{'user.name'}; } 2917: unless ($udom) { $udom=$env{'user.domain'}; } 2918: unless ($course) { $course=$env{'request.course.id'}; } 2919: my %record=&getfeedbackrecords($uname,$udom,$course); 2920: my $totallikes=$record{'totallikes'}; 2921: $totallikes+=$likes; 2922: my %newrecord=('likes_user' => $env{'user.name'}, 2923: 'likes_domain' => $env{'user.domain'}, 2924: 'likes' => $likes, 2925: 'totallikes' => $totallikes); 2926: return &Apache::lonnet::cstore(\%newrecord,'_feedback'); 2927: } 2928: 2929: 2930: sub adddiscuss { 2931: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2932: my $status=''; 2933: my $realsymb; 2934: if ($symb=~/^bulletin___/) { 2935: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2936: $filename=~s|^adm/wrapper/||; 2937: $realsymb=&Apache::lonnet::symbread($filename); 2938: } 2939: my ($cnum,$cdom); 2940: if ($env{'request.course.id'}) { 2941: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2942: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2943: } 2944: if (&discussion_open(undef,$realsymb) && 2945: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2946: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2947: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2948: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2949: 2950: my %contrib=('message' => $email, 2951: 'sendername' => $env{'user.name'}, 2952: 'senderdomain' => $env{'user.domain'}, 2953: 'screenname' => $env{'environment.screenname'}, 2954: 'plainname' => $env{'environment.firstname'}.' '. 2955: $env{'environment.middlename'}.' '. 2956: $env{'environment.lastname'}.' '. 2957: $env{'enrironment.generation'}, 2958: 'attachmenturl'=> $attachmenturl, 2959: 'subject' => $subject); 2960: if ($env{'form.replydisc'}) { 2961: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2962: } 2963: if ($anon) { 2964: $contrib{'anonymous'}='true'; 2965: } 2966: if (($symb) && ($email)) { 2967: my $now = time; 2968: if ($env{'form.editdisc'}) { 2969: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2970: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2971: $contrib{'timestamp'} = $now; 2972: $contrib{'history'} = ''; 2973: my $numoldver = 0; 2974: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2975: &Apache::lonenc::check_decrypt(\$oldsymb); 2976: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2977: # get timestamp for last post and history 2978: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2979: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2980: $env{'course.'.$env{'request.course.id'}.'.num'}); 2981: if (defined($oldcontrib{$oldidx.':replyto'})) { 2982: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2983: } 2984: if (defined($oldcontrib{$oldidx.':history'})) { 2985: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2986: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2987: $numoldver = @oldversions; 2988: } else { 2989: $numoldver = 1; 2990: } 2991: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2992: } 2993: my $numnewver = $numoldver + 1; 2994: if (defined($oldcontrib{$oldidx.':subject'})) { 2995: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2996: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2997: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2998: } else { 2999: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3000: } 3001: } 3002: if (defined($oldcontrib{$oldidx.':message'})) { 3003: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 3004: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3005: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 3006: } else { 3007: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3008: } 3009: } 3010: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 3011: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 3012: $oldsymb,$oldidx,\%contrib, 3013: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3014: $env{'course.'.$env{'request.course.id'}.'.num'}); 3015: $status='Editing class discussion'.($anon?' (anonymous)':''); 3016: } else { 3017: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 3018: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 3019: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3020: $env{'course.'.$env{'request.course.id'}.'.num'}); 3021: } 3022: my %storenewentry=($symb => $now); 3023: $status.='<br />'.&mt('Updating discussion time').': '. 3024: &Apache::lonnet::put('discussiontimes',\%storenewentry, 3025: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3026: $env{'course.'.$env{'request.course.id'}.'.num'}); 3027: } 3028: my %record=&getdiscussionrecords(); 3029: my ($temp)=keys(%record); 3030: unless ($temp=~/^error\:/) { 3031: my %newrecord=(); 3032: $newrecord{'resource'}=$symb; 3033: $newrecord{'subnumber'}=$record{'subnumber'}+1; 3034: $status.='<br />'.&mt('Registering').': '. 3035: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3036: } 3037: } else { 3038: $status.='Failed.'; 3039: } 3040: return $status.'<br />'; 3041: } 3042: 3043: 3044: # Routine to get the complete discussion records 3045: 3046: sub getdiscussionrecords { 3047: my ($uname,$udom,$course)=@_; 3048: unless ($uname) { $uname=$env{'user.name'}; } 3049: unless ($udom) { $udom=$env{'user.domain'}; } 3050: unless ($course) { $course=$env{'request.course.id'}; } 3051: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname); 3052: return %record; 3053: } 3054: 3055: # Routine to get discussion statistics 3056: 3057: sub getdiscussionstats { 3058: my %record=&getdiscussionrecords(@_); 3059: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 3060: } 3061: 3062: 3063: # Store discussion credit 3064: 3065: sub storediscussionpoints { 3066: my ($points,$uname,$udom,$course)=@_; 3067: unless ($points) { $points=0; } 3068: unless ($uname) { $uname=$env{'user.name'}; } 3069: unless ($udom) { $udom=$env{'user.domain'}; } 3070: unless ($course) { $course=$env{'request.course.id'}; } 3071: my %record=('grader_user' => $env{'user.name'}, 3072: 'grader_domain' => $env{'user.domain'}, 3073: 'points' => $points); 3074: return &Apache::lonnet::cstore(\%record,'_discussion'); 3075: } 3076: 3077: # Store discussion "likes" 3078: 3079: sub storediscussionlikes { 3080: my ($likes,$uname,$udom,$course)=@_; 3081: unless ($likes) { $likes=0; } 3082: if ($likes>0) { $likes=1; } 3083: if ($likes<0) { $likes=-1; } 3084: unless ($uname) { $uname=$env{'user.name'}; } 3085: unless ($udom) { $udom=$env{'user.domain'}; } 3086: unless ($course) { $course=$env{'request.course.id'}; } 3087: my %record=&getdiscussionrecords($uname,$udom,$course); 3088: my $totallikes=$record{'totallikes'}; 3089: $totallikes+=$likes; 3090: my %newrecord=('likes_user' => $env{'user.name'}, 3091: 'likes_domain' => $env{'user.domain'}, 3092: 'likes' => $likes, 3093: 'totallikes' => $totallikes); 3094: return &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3095: } 3096: 3097: sub get_discussion_info { 3098: my ($idx,%contrib) = @_; 3099: my $changelast = 0; 3100: my $count = 0; 3101: my $hiddenflag = 0; 3102: my $deletedflag = 0; 3103: my ($hidden,$deleted,%info,$newlastdisc); 3104: my $version = $contrib{'version'}; 3105: if ($version) { 3106: for (my $id=$version; $id>0; $id--) { 3107: my $vkeys=$contrib{$id.':keys'}; 3108: my @keys=split(/:/,$vkeys); 3109: if (grep(/^hidden$/,@keys)) { 3110: if (!$hiddenflag) { 3111: $hidden = $contrib{$id.':hidden'}; 3112: $hiddenflag = 1; 3113: } 3114: } elsif (grep(/^deleted$/,@keys)) { 3115: if (!$deletedflag) { 3116: $deleted = $contrib{$id.':deleted'}; 3117: $deletedflag = 1; 3118: } 3119: } else { 3120: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 3121: $count++; 3122: $info{$count}{'id'} = $id; 3123: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 3124: } 3125: } 3126: } 3127: if ($info{'1'}{'id'} == $idx) { 3128: $changelast = 1; 3129: if ($count > 1) { 3130: $newlastdisc = $info{'2'}{'timestamp'}; 3131: } else { 3132: $newlastdisc = 0; 3133: } 3134: } 3135: } 3136: return ($changelast,$newlastdisc); 3137: } 3138: 3139: # ----------------------------------------------------------- Preview function 3140: 3141: sub show_preview { 3142: my ($r) = @_; 3143: &Apache::loncommon::content_type($r,'text/html'); 3144: $r->send_http_header; 3145: my $start_page= 3146: &Apache::loncommon::start_page('Preview',undef, 3147: {'only_body' => 1,}); 3148: 3149: my $message=&clear_out_html($env{'form.comment'}); 3150: &newline_to_br(\$message); 3151: $message=&Apache::lonspeller::markeduptext($message); 3152: $message=&Apache::lontexconvert::msgtexconverted($message); 3153: my $subject=&clear_out_html($env{'form.subject'}); 3154: $subject=~s/\n/\<br \/\>/g; 3155: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3156: 3157: my $end_page = &Apache::loncommon::end_page(); 3158: 3159: $r->print($start_page 3160: .'<h1>'.&mt('Preview').'</h1>' 3161: .&Apache::lonhtmlcommon::start_pick_box() 3162: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3163: .$subject 3164: .&Apache::lonhtmlcommon::row_closure() 3165: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3166: .$message 3167: .&Apache::lonhtmlcommon::row_closure(1) 3168: .&Apache::lonhtmlcommon::end_pick_box() 3169: .$end_page 3170: ); 3171: } 3172: 3173: sub contains_block_html { 3174: my ($message)=@_; 3175: return ($message =~ m{ 3176: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3177: \s* 3178: (\w+\=['"]\w+['"])* 3179: \s* 3180: ( 3181: \s*/>| 3182: >.*</\1\s*> 3183: )}xs 3184: ); 3185: } 3186: 3187: sub tidy_html { 3188: my ($message)=@_; 3189: # my $tidy = HTML::Tidy::libXML->new(); 3190: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3191: # $xhtml =~ m/<body>(.*)<\/body>/is; 3192: # my $clean = $1; 3193: # # remove any empty block-level tags 3194: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3195: # $message=$clean; 3196: return $message; 3197: } 3198: 3199: sub newline_to_br { 3200: my ($message)=@_; 3201: my $newmessage; 3202: my $parser=HTML::LCParser->new($message); 3203: while (my $token=$parser->get_token()) { 3204: if ($token->[0] eq 'T') { 3205: my $text=$token->[1]; 3206: $text=~s/\n/\<br \/\>/g; 3207: $newmessage.=$text; 3208: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3209: $newmessage.=$token->[1]; 3210: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3211: $newmessage.=$token->[2]; 3212: } elsif ($token->[0] eq 'S') { 3213: $newmessage.=$token->[4]; 3214: } 3215: 3216: } 3217: $$message=$newmessage; 3218: } 3219: 3220: sub generate_preview_button { 3221: my ($formname,$fieldname)=@_; 3222: unless ($formname) { $formname='mailform'; } 3223: unless ($fieldname) { $fieldname='comment'; } 3224: my $pre=&mt("Show Preview and Check Spelling"); 3225: return(<<ENDPREVIEW); 3226: <br /> 3227: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3228: <input type="hidden" name="subject" /> 3229: <input type="hidden" name="comment" /> 3230: <input type="button" value="$pre" 3231: 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();" /> 3232: </form> 3233: ENDPREVIEW 3234: } 3235: 3236: sub modify_attachments { 3237: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3238: $attachmaxtext,$toolarge)=@_; 3239: 3240: my %lt = &Apache::lonlocal::texthash( 3241: 'subj' => 'Subject', 3242: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3243: 'chth' => 'Check the checkboxes for any you wish to remove.', 3244: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3245: 'adda' => 'Add a new attachment to this post.', 3246: 'stch' => 'Save Changes', 3247: ); 3248: my $js = <<END; 3249: <script type="text/javascript"> 3250: function setAction () { 3251: document.modattachments.action = document.modattachments.origpage.value; 3252: document.modattachments.submit(); 3253: } 3254: </script> 3255: END 3256: 3257: # Breadcrumbs 3258: my $brcrum = [{'href' => '', 3259: 'text' => 'Discussion Post Attachments'}]; 3260: my %parms=(); 3261: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3262: 3263: my $start_page = 3264: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3265: 3266: my $orig_subject = &unescape($env{'form.subject'}); 3267: my $subject=&clear_out_html($orig_subject); 3268: $subject=~s/\n/\<br \/\>/g; 3269: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3270: my $timestamp=$env{'form.timestamp'}; 3271: my $numoldver=$env{'form.numoldver'}; 3272: 3273: my $msg = ''; 3274: my %attachments = (); 3275: my %currattach = (); 3276: if ($idx) { 3277: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3278: } 3279: &Apache::lonenc::check_encrypt(\$symb); 3280: 3281: my $end_page = 3282: &Apache::loncommon::end_page(); 3283: 3284: $r->print(<<END); 3285: $start_page 3286: $toolarge 3287: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3288: <br /> 3289: <table class="LC_data_table"> 3290: <tr> 3291: <td colspan="2"> 3292: <b>Subject:</b> <b>$subject</b><br /><br /> 3293: END 3294: if ($idx) { 3295: if ($attachmenturls) { 3296: my @currold = keys(%currattach); 3297: if (@currold > 0) { 3298: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3299: foreach my $id (@currold) { 3300: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3301: $attachurl =~ m#/([^/]+)$#; 3302: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3303: } 3304: $r->print("<br />"); 3305: } 3306: } 3307: } 3308: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3309: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3310: foreach my $attach (@{$currnewattach}) { 3311: $attach =~ m#/([^/]+)$#; 3312: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3313: } 3314: $r->print("<br />"); 3315: } 3316: $r->print(<<END); 3317: </td></tr> 3318: <tr> 3319: <td> 3320: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3321: </td> 3322: </tr> 3323: <tr> 3324: <td colspan="2">$attachmaxtext</td> 3325: </tr> 3326: </table> 3327: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3328: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3329: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3330: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3331: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3332: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3333: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3334: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3335: END 3336: foreach my $item (@{$currnewattach}) { 3337: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3338: } 3339: foreach my $item (@{$currdelold}) { 3340: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3341: } 3342: $r->print(<<END); 3343: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3344: </form> 3345: $end_page 3346: END 3347: return; 3348: } 3349: 3350: sub process_attachments { 3351: my ($currnewattach,$currdelold,$keepold) = @_; 3352: 3353: @{$currnewattach}= 3354: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3355: @{$currdelold}= 3356: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3357: if (exists($env{'form.delnewattach'})) { 3358: my @currdelnew = 3359: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3360: my @currnew = (); 3361: foreach my $newone (@{$currnewattach}) { 3362: my $delflag = 0; 3363: foreach my $item (@currdelnew) { 3364: if ($newone eq $item) { 3365: $delflag = 1; 3366: last; 3367: } 3368: } 3369: unless ($delflag) { 3370: push(@currnew, $newone); 3371: } 3372: } 3373: @{$currnewattach} = @currnew; 3374: } 3375: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3376: } 3377: 3378: sub generate_attachments_button { 3379: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3380: $numoldver,$mode,$blockblog) = @_; 3381: my $origpage = $ENV{'REQUEST_URI'}; 3382: my $att=$attachnum.' '.&mt("attachments"); 3383: my %lt = &Apache::lonlocal::texthash( 3384: 'clic' => 'Click to add/remove attachments', 3385: ); 3386: my $response = (<<END); 3387: <br /> 3388: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3389: $lt{'clic'}: <input type="button" value="$att" 3390: 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); 3391: END 3392: if (!$blockblog) { 3393: $response .= 'setblogvalue();'; 3394: } 3395: unless ($mode eq 'board') { 3396: $response .= 'javascript:anonchk();'; 3397: } 3398: $response .= (<<ENDATTACH); 3399: this.form.submit();" /> 3400: <input type="hidden" name="origpage" value="$origpage" /> 3401: <input type="hidden" name="idx" value="$idx" /> 3402: <input type="hidden" name="timestamp" value="$now" /> 3403: <input type="hidden" name="subject" /> 3404: <input type="hidden" name="comment" /> 3405: <input type="hidden" name="blog" value="0" /> 3406: <input type="hidden" name="discuss" value="0" /> 3407: <input type="hidden" name="numoldver" value="$numoldver" /> 3408: ENDATTACH 3409: if (defined($deloldattach)) { 3410: if (@{$deloldattach} > 0) { 3411: foreach my $delatt (@{$deloldattach}) { 3412: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3413: } 3414: } 3415: } 3416: if (defined($currnewattach)) { 3417: if (@{$currnewattach} > 0) { 3418: foreach my $attach (@{$currnewattach}) { 3419: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3420: } 3421: } 3422: } 3423: $response .= '</form>'; 3424: return $response; 3425: } 3426: 3427: sub extract_attachments { 3428: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3429: %{$attachments}=(); 3430: &get_post_attachments($attachments,$attachmenturls); 3431: foreach my $id (sort(keys(%{$attachments}))) { 3432: if (exists($$attachments{$id}{$numoldver})) { 3433: if (defined($currdelold)) { 3434: if (@{$currdelold} > 0) { 3435: unless (grep/^$id$/,@{$currdelold}) { 3436: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3437: } 3438: } else { 3439: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3440: } 3441: } else { 3442: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3443: } 3444: } 3445: } 3446: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3447: if (@attached == 1) { 3448: my $id = $attached[0]; 3449: my $attachurl; 3450: if ($attachmenturls =~ m/^<attachment id="0">/) { 3451: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3452: } else { 3453: $attachurl = $$attachments{$id}{'filename'}; 3454: } 3455: $attachurl=~m|/([^/]+)$|; 3456: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3457: $1.'</tt></a><br />'; 3458: &Apache::lonnet::allowuploaded('/adm/feedback', 3459: $attachurl); 3460: } elsif (@attached > 1) { 3461: $$message.='<ol>'; 3462: foreach my $attach (@attached) { 3463: my $id = $attach; 3464: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3465: my ($fname) 3466: =($attachurl=~m|/([^/]+)$|); 3467: $$message .= '<li><a href="'.$attachurl. 3468: '"><tt>'. 3469: $fname.'</tt></a></li>'; 3470: &Apache::lonnet::allowuploaded('/adm/feedback', 3471: $attachurl); 3472: } 3473: $$message .= '</ol>'; 3474: } 3475: } 3476: 3477: sub construct_attachmenturl { 3478: my ($currnewattach,$keepold,$symb,$idx)=@_; 3479: my $oldattachmenturl; 3480: my $newattachmenturl; 3481: my $startnum = 0; 3482: my $currver = 0; 3483: if (($env{'form.editdisc'}) && ($idx)) { 3484: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3485: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3486: $env{'course.'.$env{'request.course.id'}.'.num'}); 3487: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3488: if ($contrib{$idx.':history'}) { 3489: if ($contrib{$idx.':history'} =~ /:/) { 3490: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3491: $currver = 1 + scalar(@oldversions); 3492: } else { 3493: $currver = 2; 3494: } 3495: } else { 3496: $currver = 1; 3497: } 3498: if ($oldattachmenturl) { 3499: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3500: my %attachments = (); 3501: my $prevver = $currver-1; 3502: &get_post_attachments(\%attachments,$oldattachmenturl); 3503: my $numattach = scalar(keys(%attachments)); 3504: $startnum += $numattach; 3505: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3506: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3507: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3508: unless ($item eq 'filename') { 3509: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3510: } 3511: } 3512: if (grep/^$num$/,@{$keepold}) { 3513: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3514: } 3515: $newattachmenturl .= '</attachment>'; 3516: } 3517: } else { 3518: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3519: unless (grep/^0$/,@{$keepold}) { 3520: $newattachmenturl .= '<post id="1">n</post>'; 3521: } 3522: $newattachmenturl .= '</attachment>'; 3523: $startnum ++; 3524: } 3525: } 3526: } 3527: for (my $i=0; $i<@{$currnewattach}; $i++) { 3528: my $attachnum = $startnum + $i; 3529: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3530: } 3531: return $newattachmenturl; 3532: } 3533: 3534: sub add_blog_checkbox { 3535: my ($crstype) = @_; 3536: my $checkstatus; 3537: if ($env{'form.blog'}) { 3538: $checkstatus = 'checked="checked"'; 3539: } 3540: my $output = ' 3541: <script type="text/javascript"> 3542: function setblogvalue() { 3543: if (document.mailform.blog.checked) { 3544: document.attachment.blog.value = 1; 3545: } else { 3546: document.attachment.blog.value = 0; 3547: } 3548: } 3549: </script><br /> 3550: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3551: if ($crstype eq 'Community') { 3552: $output .= &mt('Add to my public community blog'); 3553: } else { 3554: $output .= &mt('Add to my public course blog'); 3555: } 3556: $output .= '</label><br />'."\n"; 3557: return $output; 3558: } 3559: 3560: sub has_discussion { 3561: my $resourcesref = shift; 3562: my $navmap = Apache::lonnavmaps::navmap->new(); 3563: if (defined($navmap)) { 3564: my @allres=$navmap->retrieveResources(); 3565: foreach my $resource (@allres) { 3566: if ($resource->hasDiscussion()) { 3567: my $ressymb = $resource->wrap_symb(); 3568: if (ref($resourcesref) eq 'ARRAY') { 3569: push(@{$resourcesref}, $ressymb); 3570: } 3571: } 3572: } 3573: } else { 3574: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3575: } 3576: return; 3577: } 3578: 3579: sub sort_filter_names { 3580: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3581: if (ref($sort_types) eq 'HASH') { 3582: %{$sort_types} = ( 3583: ascdate => 'Date order - oldest first', 3584: descdate => 'Date order - newest first', 3585: thread => 'Threaded', 3586: subject => 'By subject', 3587: username => 'By domain and username', 3588: lastfirst => 'By last name, first name' 3589: ); 3590: } 3591: my @courseroles = qw(st in ta ep ad); 3592: if ($crstype eq 'Community') { 3593: push(@courseroles,'co'); 3594: } else { 3595: push(@courseroles,'cc'); 3596: } 3597: if (ref($role_types) eq 'HASH') { 3598: foreach my $role (@courseroles) { 3599: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3600: } 3601: $role_types->{'all'} = 'All roles'; 3602: $role_types->{'cr'} = 'Custom role'; 3603: } 3604: if (ref($status_types) eq 'HASH') { 3605: %{$status_types} = ( 3606: all => 'Roles of any status', 3607: Active => 'Only active roles', 3608: Expired => 'Only past roles', 3609: Future => 'Only future roles', 3610: ); 3611: } 3612: } 3613: 3614: sub handler { 3615: my $r = shift; 3616: if ($r->header_only) { 3617: &Apache::loncommon::content_type($r,'text/html'); 3618: $r->send_http_header; 3619: return OK; 3620: } 3621: 3622: # --------------------------- Get query string for limited number of parameters 3623: 3624: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3625: ['like','unlike','modal','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']); 3626: my $group = $env{'form.group'}; 3627: my %attachmax = ( 3628: text => &mt('(128 KB max size)'), 3629: num => 131072, 3630: ); 3631: if ($env{'form.editdisc'}) { 3632: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3633: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3634: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3635: my $feedurl=&Apache::lonnet::clutter($url); 3636: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3637: undef,undef,undef,$group); 3638: return OK; 3639: } 3640: } 3641: if ($env{'form.discsymb'}) { 3642: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3643: my $readkey = $symb.'_read'; 3644: my $chgcount = 0; 3645: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3646: foreach my $key (keys(%env)) { 3647: if ($key =~ m/^form\.postunread_(\d+)/) { 3648: if ($readinghash{$readkey} =~ /\.$1\./) { 3649: $readinghash{$readkey} =~ s/\.$1\.//; 3650: $chgcount ++; 3651: } 3652: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3653: unless ($readinghash{$readkey} =~ /\.$1\./) { 3654: $readinghash{$readkey} .= '.'.$1.'.'; 3655: $chgcount ++; 3656: } 3657: } 3658: } 3659: if ($chgcount > 0) { 3660: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3661: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3662: } 3663: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3664: '0','0','','',$env{'form.previous'},'','','', 3665: undef,undef,undef,$group); 3666: return OK; 3667: } 3668: if ($env{'form.allversions'}) { 3669: &Apache::loncommon::content_type($r,'text/html'); 3670: &Apache::loncommon::no_cache($r); 3671: $r->send_http_header; 3672: 3673: # Breadcrumbs 3674: my $brcrum = [{'href' => '', 3675: 'text' => 'Discussion Post Versions'}]; 3676: 3677: my %parms=(); 3678: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3679: 3680: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3681: 3682: my $crs='/'.$env{'request.course.id'}; 3683: if ($env{'request.course.sec'}) { 3684: $crs.='_'.$env{'request.course.sec'}; 3685: } 3686: $crs=~s|_|/|g; 3687: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3688: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3689: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3690: ($symb)=&get_feedurl_and_clean_symb($symb); 3691: my $ressymb = &wrap_symb($symb); 3692: my $group = $env{'form.group'}; 3693: my $seeid; 3694: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3695: if (&check_group_priv($group,'dgp') eq 'ok') { 3696: $seeid = 1; 3697: } 3698: } else { 3699: $seeid = &Apache::lonnet::allowed('rin',$crs); 3700: } 3701: if ($idx > 0) { 3702: my %messages = (); 3703: my %subjects = (); 3704: my %attachmsgs = (); 3705: my %allattachments = (); 3706: my %imsfiles = (); 3707: my ($screenname,$plainname); 3708: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3709: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3710: $env{'course.'.$env{'request.course.id'}.'.num'}); 3711: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3712: } 3713: $r->print(&Apache::loncommon::end_page()); 3714: return OK; 3715: } 3716: if ($env{'form.posterlist'}) { 3717: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3718: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3719: $env{'form.sortposts'}); 3720: return OK; 3721: } 3722: if ($env{'form.userpick'}) { 3723: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3724: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3725: my $numpicks = @posters; 3726: my %discinfo; 3727: $discinfo{$symb.'_userpick'} = join('&',@posters); 3728: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3729: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3730: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3731: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3732: '',$numpicks,$group); 3733: return OK; 3734: } 3735: if ($env{'form.applysort'}) { 3736: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3737: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3738: '',$env{'form.previous'},$env{'form.sortposts'}, 3739: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3740: $env{'form.sectionpick'},$env{'form.grouppick'}, 3741: undef,$group); 3742: return OK; 3743: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3744: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3745: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3746: return OK; 3747: } elsif ($env{'form.navtime'}) { 3748: my %discinfo = (); 3749: my @resources = (); 3750: if (defined($env{'form.navmaps'})) { 3751: if ($env{'form.navmaps'} =~ /:/) { 3752: @resources = split(/:/,$env{'form.navmaps'}); 3753: } else { 3754: @resources = ("$env{'form.navmaps'}"); 3755: } 3756: } else { 3757: &has_discussion(\@resources); 3758: } 3759: my $numitems = @resources; 3760: my $feedurl = '/adm/navmaps'; 3761: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3762: my %lt = &Apache::lonlocal::texthash( 3763: 'mnpa' => 'Marked "New" posts as read in a total of', 3764: 'robb' => 'resources/bulletin boards.', 3765: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3766: ); 3767: foreach my $res (@resources) { 3768: my $ressymb=$res; 3769: &Apache::lonenc::check_decrypt(\$ressymb); 3770: my $lastkey = $ressymb.'_lastread'; 3771: $discinfo{$lastkey} = $env{'form.navtime'}; 3772: } 3773: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3774: if ($numitems > 0) { 3775: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3776: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3777: } else { 3778: $textline = "<b>$lt{'twnp'}</b>"; 3779: } 3780: &Apache::loncommon::content_type($r,'text/html'); 3781: $r->send_http_header; 3782: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3783: my %onload; 3784: 3785: my $start_page= 3786: &Apache::loncommon::start_page('New posts marked as read',undef, 3787: {'redirect' => [2,$feedurl], 3788: 'only_body' => 1, 3789: 'add_entries' => \%onload}); 3790: my $end_page = &Apache::loncommon::end_page(); 3791: $r->print (<<ENDREDIR); 3792: $start_page 3793: <img align="right" src="$logo" /> 3794: $textline 3795: <form name="reldt" action="$feedurl" target="loncapaclient"> 3796: </form> 3797: <br /> 3798: $end_page 3799: ENDREDIR 3800: return OK; 3801: } elsif ($env{'form.modifydisp'}) { 3802: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3803: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3804: split(/_/,$env{'form.changes'}); 3805: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3806: $dispchgB,$markchg,$toggchg,$feedurl); 3807: return OK; 3808: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3809: $env{'form.allposts'} || $env{'form.onlyunread'} || 3810: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3811: $env{'form.toggon'} || $env{'form.markread'}) { 3812: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3813: my %discinfo; 3814: # ------------------------ Modify setting for read/unread toggle for each post 3815: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3816: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3817: # --------- Modify setting for identification of 'NEW' posts in this discussion 3818: if ($env{'form.markondisp'}) { 3819: $discinfo{$symb.'_lastread'} = time; 3820: $discinfo{$symb.'_markondisp'} = 1; 3821: } 3822: if ($env{'form.markonread'}) { 3823: if ( $env{'form.previous'} > 0 ) { 3824: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3825: } 3826: $discinfo{$symb.'_markondisp'} = 0; 3827: } 3828: # --------------------------------- Modify display setting for this discussion 3829: if ($env{'form.allposts'}) { 3830: $discinfo{$symb.'_showonlyunread'} = 0; 3831: $discinfo{$symb.'_showonlyunmark'} = 0; 3832: } 3833: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3834: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3835: # ----------------------------------------------------- Mark new posts not NEW 3836: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3837: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3838: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3839: my $previous=$env{'form.previous'}; 3840: if ($env{'form.markondisp'}) { $previous=undef; } 3841: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3842: '0','0','','',$previous,'','','','','','',$group); 3843: return OK; 3844: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3845: # ----------------------------------------------------------------- Hide/unhide 3846: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3847: my ($symb,$idx)=split(/\:\:\:/,$entry); 3848: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3849: 3850: my $crs='/'.$env{'request.course.id'}; 3851: if ($env{'request.course.sec'}) { 3852: $crs.='_'.$env{'request.course.sec'}; 3853: } 3854: $crs=~s/\_/\//g; 3855: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3856: 3857: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3858: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3859: undef,undef,$group,); 3860: return OK; 3861: } 3862: 3863: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3864: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3865: $env{'course.'.$env{'request.course.id'}.'.num'}); 3866: 3867: my $currenthidden=$contrib{'hidden'}; 3868: my $currentstudenthidden=$contrib{'studenthidden'}; 3869: 3870: if ($env{'form.hide'}) { 3871: $currenthidden.='.'.$idx.'.'; 3872: unless ($seeid) { 3873: $currentstudenthidden.='.'.$idx.'.'; 3874: } 3875: } else { 3876: $currenthidden=~s/\.$idx\.//g; 3877: } 3878: my %newhash=('hidden' => $currenthidden); 3879: if ( ($env{'form.hide'}) && (!$seeid) ) { 3880: $newhash{'studenthidden'} = $currentstudenthidden; 3881: } 3882: if ($env{'form.hide'}) { 3883: my $changelast = 0; 3884: my $newlast; 3885: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3886: if ($changelast) { 3887: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3888: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3889: $env{'course.'.$env{'request.course.id'}.'.num'}); 3890: } 3891: } 3892: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3893: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3894: $env{'course.'.$env{'request.course.id'}.'.num'}); 3895: 3896: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3897: '0','0','','',$env{'form.previous'},undef,undef,undef, 3898: undef,undef,undef,$group); 3899: return OK; 3900: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { 3901: # ----------------------------------------------------------------- Like/unlike 3902: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; 3903: my ($symb,$idx)=split(/\:\:\:/,$entry); 3904: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3905: # 3906: # Likes and unlikes are in db-file "disclikes" of the course 3907: # The prefix is the $symb to identify the resource discussion, 3908: # and the $idx to identify the entry 3909: # 3910: my $prefix=$symb.':'.$idx.':'; 3911: my %contrib=&Apache::lonnet::dump('disclikes', 3912: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3913: $env{'course.'.$env{'request.course.id'}.'.num'}, 3914: '^'.$prefix); 3915: # Get all who like or unlike this 3916: my $currentlikers=$contrib{$prefix.'likers'}; 3917: my $currentunlikers=$contrib{$prefix.'unlikers'}; 3918: # Get the current "likes" count 3919: my $likes=$contrib{$prefix.'likes'}; 3920: # Find out if they already voted 3921: # Users cannot like a post twice, or unlike it twice. They can change their mind, though 3922: my $alreadyflag=0; 3923: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 3924: if ($env{'form.like'}) { 3925: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 3926: $alreadyflag=1; 3927: } else { 3928: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 3929: $currentunlikers=~s/\,\Q$thisuser\E\,//g; 3930: } else { 3931: $currentlikers.=','.$thisuser.','; 3932: } 3933: $likes++; 3934: } 3935: } else { 3936: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 3937: $alreadyflag=1; 3938: } else { 3939: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 3940: $currentlikers=~s/\,\Q$thisuser\E\,//g; 3941: } else { 3942: $currentunlikers.=','.$thisuser.','; 3943: } 3944: $likes--; 3945: } 3946: } 3947: my $result; 3948: # $alreadyflag would be 1 if they tried to double-like or double-unlike 3949: unless ($alreadyflag) { 3950: my %newhash=($prefix.'likes' => $likes, 3951: $prefix.'likers' => $currentlikers, 3952: $prefix.'unlikers' => $currentunlikers); 3953: # Store data in db-file "disclikes" 3954: if (&Apache::lonnet::put('disclikes', 3955: \%newhash, 3956: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3957: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 3958: # Also store with the person who posted the liked/unliked entry 3959: if ($env{'form.like'}) { 3960: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 3961: $result=&mt("Registered 'Like'"); 3962: } else { 3963: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 3964: $result=&mt("Registered 'Unlike'"); 3965: } 3966: } else { 3967: # Oops, something went wrong 3968: $result=&mt("Failed to register vote"); 3969: } 3970: } 3971: &redirect_back($r,$feedurl,$result.'<br />', 3972: '0','0','','',$env{'form.previous'},undef,undef,undef, 3973: undef,undef,undef,$group); 3974: return OK; 3975: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3976: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3977: if ($env{'form.cmd'} eq 'threadedon') { 3978: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3979: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3980: } else { 3981: &Apache::lonnet::del('environment',['threadeddiscussion']); 3982: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3983: } 3984: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3985: '0','0','','',$env{'form.previous'},undef,undef,undef, 3986: undef,undef,undef,$group); 3987: return OK; 3988: } elsif ($env{'form.deldisc'}) { 3989: # --------------------------------------------------------------- Hide for good 3990: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3991: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3992: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3993: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3994: $env{'course.'.$env{'request.course.id'}.'.num'}); 3995: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3996: if ($changelast) { 3997: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3998: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3999: } 4000: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 4001: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 4002: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4003: $env{'course.'.$env{'request.course.id'}.'.num'}); 4004: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 4005: '0','0','','',$env{'form.previous'},undef,undef,undef, 4006: undef,undef,undef,$group); 4007: return OK; 4008: } elsif ($env{'form.preview'}) { 4009: # -------------------------------------------------------- User wants a preview 4010: &show_preview($r); 4011: return OK; 4012: } elsif ($env{'form.attach'}) { 4013: # -------------------------------------------------------- Work on attachments 4014: &Apache::loncommon::content_type($r,'text/html'); 4015: $r->send_http_header; 4016: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 4017: my (@currnewattach,@currdelold,@keepold,$toolarge); 4018: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 4019: if (exists($env{'form.addnewattach.filename'})) { 4020: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 4021: my $subdir = 'feedback/'.$env{'form.timestamp'}; 4022: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 4023: push(@currnewattach, $newattachment); 4024: } else { 4025: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4026: } 4027: } 4028: my $attachmenturls; 4029: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 4030: my $idx = $env{'form.idx'}; 4031: if ($idx) { 4032: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4033: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4034: $env{'course.'.$env{'request.course.id'}.'.num'}); 4035: $attachmenturls = $contrib{$idx.':attachmenturl'}; 4036: } 4037: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 4038: $attachmenturls,$attachmax{'text'},$toolarge); 4039: return OK; 4040: } elsif ($env{'form.export'}) { 4041: &Apache::loncommon::content_type($r,'text/html'); 4042: $r->send_http_header; 4043: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 4044: my $mode='board'; 4045: my $status='OPEN'; 4046: my $previous=$env{'form.previous'}; 4047: if ($feedurl =~ /$LONCAPA::assess_re/) { 4048: $mode='problem'; 4049: $status=$Apache::inputtags::status[-1]; 4050: } 4051: my $discussion = &list_discussion($mode,$status,$symb); 4052: my $start_page = 4053: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 4054: my $end_page = 4055: &Apache::loncommon::end_page(); 4056: $r->print($start_page.$discussion.$end_page); 4057: return OK; 4058: } else { 4059: # ------------------------------------------------------------- Normal feedback 4060: my $feedurl=$env{'form.postdata'}; 4061: $feedurl=~s/^https?\:\/\///; 4062: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 4063: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 4064: $feedurl=~s/\?.+$//; 4065: 4066: my $symb; 4067: if ($env{'form.replydisc'}) { 4068: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 4069: } elsif ($env{'form.editdisc'}) { 4070: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 4071: } elsif ($env{'form.origpage'}) { 4072: $symb=""; 4073: } else { 4074: $symb=&Apache::lonnet::symbread($feedurl); 4075: } 4076: unless ($symb) { 4077: $symb=$env{'form.symb'}; 4078: } 4079: if (defined($symb)) { 4080: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 4081: } else { 4082: # backward compatibility (bulletin boards used to be 'wrapped') 4083: &Apache::lonenc::check_decrypt(\$feedurl); 4084: &dewrapper(\$feedurl); 4085: } 4086: my $goahead=1; 4087: if ($feedurl=~/$LONCAPA::assess_re/) { 4088: unless ($symb) { $goahead=0; } 4089: } 4090: if (!$goahead) { 4091: # Ambiguous Problem Resource 4092: $r->internal_redirect('/adm/ambiguous'); 4093: return OK; 4094: } 4095: # Go ahead with feedback, no ambiguous reference 4096: unless ( 4097: ( 4098: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 4099: ) 4100: || 4101: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 4102: || 4103: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 4104: ) { 4105: &Apache::loncommon::content_type($r,'text/html'); 4106: $r->send_http_header; 4107: # Unable to give feedback 4108: &Apache::lonenc::check_encrypt(\$feedurl); 4109: &no_redirect_back($r,$feedurl); 4110: return OK; 4111: } 4112: # --------------------------------------------------- Print login screen header 4113: unless ($env{'form.sendit'}) { 4114: &Apache::lonenc::check_encrypt(\$feedurl); 4115: &Apache::loncommon::content_type($r,'text/html'); 4116: $r->send_http_header; 4117: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 4118: my ($blocked,$blocktext) = 4119: &Apache::loncommon::blocking_status('boards'); 4120: if ($blocked) { 4121: $r->print(&blocked_reply_or_edit($blocktext)); 4122: return OK; 4123: } 4124: } 4125: my $options=&screen_header($feedurl,$symb,$group); 4126: if ($options) { 4127: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 4128: } else { 4129: &fail_redirect($r,$feedurl); 4130: } 4131: return OK; 4132: } 4133: 4134: # Get previous user input 4135: my $prevattempts=&Apache::loncommon::get_previous_attempt( 4136: $symb,$env{'user.name'},$env{'user.domain'}, 4137: $env{'request.course.id'}); 4138: 4139: # Get output from resource 4140: &Apache::lonenc::check_encrypt(\$feedurl); 4141: my $usersaw=&resource_output($feedurl); 4142: 4143: # Get resource answer (need to allow student to view grades for this to work) 4144: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 4145: my $usersymb = &Apache::lonenc::check_encrypt($symb); 4146: my $useranswer= 4147: &Apache::loncommon::get_student_answers( 4148: $usersymb,$env{'user.name'},$env{'user.domain'}, 4149: $env{'request.course.id'}); 4150: &Apache::lonnet::delenv('allowed.vgr'); 4151: # Get attachments, if any, and not too large 4152: my $attachmenturl=''; 4153: my $toolarge=''; 4154: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 4155: ($env{'form.replydisc'})) { 4156: my ($symb,$idx); 4157: if ($env{'form.replydisc'}) { 4158: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 4159: } elsif ($env{'form.editdisc'}) { 4160: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 4161: } elsif ($env{'form.origpage'}) { 4162: $symb = $env{'form.symb'}; 4163: } 4164: &Apache::lonenc::check_decrypt(\$symb); 4165: my @currnewattach = (); 4166: my @deloldattach = (); 4167: my @keepold = (); 4168: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 4169: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 4170: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 4171: } elsif ($env{'form.attachment.filename'}) { 4172: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 4173: my $now = time; 4174: my $subdir = 'feedback/'.$now; 4175: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 4176: } else { 4177: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4178: } 4179: } 4180: # Filter HTML out of message (could be nasty) 4181: my $override; 4182: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 4183: $override = 1; 4184: } 4185: my $message=&clear_out_html($env{'form.comment'},$override); 4186: 4187: # Assemble email 4188: my ($email,$citations)=&assemble_email($message,$prevattempts, 4189: $usersaw,$useranswer); 4190: 4191: # Who gets this? 4192: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 4193: 4194: # Actually send mail 4195: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 4196: $feedurl,$email,$citations, 4197: $attachmenturl,$usersymb,%to); 4198: 4199: # Discussion? Store that. 4200: my $numpost=0; 4201: if ( ($env{'form.discuss'} ne '' 4202: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4203: || $env{'form.anondiscuss'} ne '') { 4204: my $subject = &clear_out_html($env{'form.subject'}); 4205: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4206: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4207: $subject,$group); 4208: $numpost++; 4209: } 4210: 4211: # Add to blog? 4212: 4213: my $blog=''; 4214: if ($env{'form.blog'}) { 4215: my $subject = &clear_out_html($env{'form.subject'}); 4216: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4217: $env{'user.domain'}, 4218: 'CourseBlog_'.$env{'request.course.id'}, 4219: $subject,$message,$feedurl,'public'); 4220: if (&Apache::loncommon::course_type() eq 'Community') { 4221: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4222: } else { 4223: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4224: } 4225: } 4226: 4227: # Receipt screen and redirect back to where came from 4228: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4229: } 4230: return OK; 4231: } 4232: 4233: sub blocked_reply_or_edit { 4234: my ($blocktext) = @_; 4235: return 4236: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4237: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4238: &mt('Back to previous page'). 4239: &Apache::loncommon::end_page(); 4240: } 4241: 4242: sub wrap_symb { 4243: my ($ressymb)=@_; 4244: if ($ressymb =~ /bulletin___\d+___/) { 4245: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4246: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4247: } 4248: } 4249: return $ressymb; 4250: } 4251: sub dewrapper { 4252: my ($feedurl)=@_; 4253: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4254: $$feedurl=~s|^/adm/wrapper||; 4255: } 4256: } 4257: 4258: sub get_feedurl { 4259: my ($symb)=@_; 4260: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4261: my $feedurl = &Apache::lonnet::clutter($url); 4262: &dewrapper(\$feedurl); 4263: return $feedurl; 4264: } 4265: 4266: sub get_feedurl_and_clean_symb { 4267: my ($symb)=@_; 4268: &Apache::lonenc::check_decrypt(\$symb); 4269: # backward compatibility (bulletin boards used to be 'wrapped') 4270: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4271: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4272: } 4273: my $feedurl = &get_feedurl($symb); 4274: return ($symb,$feedurl); 4275: } 4276: 4277: sub editing_allowed { 4278: my ($postid,$group) = @_; 4279: $postid = &unescape($postid); 4280: my $can_edit = 0; 4281: if ($group ne '') { 4282: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4283: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4284: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4285: if (&check_group_priv($group,'egp') eq 'ok') { 4286: $can_edit = 1; 4287: } 4288: return $can_edit; 4289: } 4290: } 4291: my $cid = $env{'request.course.id'}; 4292: my $role = (split(/\./,$env{'request.role'}))[0]; 4293: my $section = $env{'request.course.sec'}; 4294: my $allow_editing_config = 4295: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4296: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4297: $can_edit = 1; 4298: } else { 4299: foreach my $editor (split(/,/,$allow_editing_config)) { 4300: my ($editor_role,$editor_sec) = split(/:/,$editor); 4301: if ($editor_role eq $role 4302: && defined($editor_sec) 4303: && defined($section) 4304: && $editor_sec eq $section) { 4305: $can_edit = 1; 4306: last; 4307: } 4308: if ($editor_role eq $role 4309: && !defined($editor_sec)) { 4310: $can_edit = 1; 4311: } 4312: } 4313: } 4314: return $can_edit; 4315: } 4316: 4317: sub check_group_priv { 4318: my ($group,$grp_priv) = @_; 4319: foreach my $priv ('mdg','vcg') { 4320: my $checkcourse = $env{'request.course.id'}. 4321: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4322: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4323: return 'ok'; 4324: } 4325: } 4326: if ($grp_priv && $group ne '') { 4327: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4328: return 'ok'; 4329: } 4330: } 4331: return ''; 4332: } 4333: 4334: sub group_args { 4335: my ($group) = @_; 4336: if ($group eq '') { return ''; } 4337: my $extra_args = '&group='.$group; 4338: if (exists($env{'form.ref'})) { 4339: $extra_args .= '&ref='.$env{'form.ref'}; 4340: } 4341: return $extra_args; 4342: } 4343: 4344: sub get_resource_title { 4345: my ($symb,$feedurl) = @_; 4346: my ($restitle,$plainurl); 4347: if (defined($symb)) { 4348: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4349: $restitle = &Apache::lonnet::gettitle($plain_symb); 4350: } 4351: if (defined($feedurl)) { 4352: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4353: } 4354: if (!defined($restitle)) { 4355: if (defined($feedurl)) { 4356: $restitle = &Apache::lonnet::gettitle($plainurl); 4357: } 4358: } 4359: if ($plainurl ne $feedurl) { 4360: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4361: if ($plain_filename eq $restitle) { 4362: $restitle = &mt('Untitled resource'); 4363: } 4364: } 4365: if ($restitle eq '') { 4366: $restitle = &mt('Untitled resource'); 4367: } 4368: return $restitle; 4369: } 4370: 4371: 1; 4372: __END__ 4373: 4374: 4375: =pod 4376: 4377: =head1 NAME 4378: 4379: Apache::lonfeedback.pm 4380: 4381: =head1 SYNOPSIS 4382: 4383: Handles feedback from students to instructors and system administrators. 4384: 4385: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4386: 4387: Used by lonmsg.pm. 4388: 4389: This is part of the LearningOnline Network with CAPA project 4390: described at http://www.lon-capa.org. 4391: 4392: =head1 OVERVIEW 4393: 4394: None 4395: 4396: =head1 SUBROUTINES 4397: 4398: =over 4399: 4400: =item discussion_open() 4401: 4402: =item discussion_visible() 4403: 4404: =item list_discussion() 4405: 4406: =item send_feedback_link() 4407: 4408: =item send_message_link() 4409: 4410: =item action_links_bar() 4411: 4412: =item postingform_display() 4413: 4414: =item build_posting_display 4415: 4416: =item filter_regexp() 4417: 4418: =item get_post_contents() 4419: 4420: =item replicate_attachments() 4421: 4422: =item mail_screen() 4423: 4424: =item print_display_options() 4425: 4426: =item print_sortfilter_options() 4427: 4428: =item print_showposters() 4429: 4430: =item get_post_versions() 4431: 4432: =item get_post_attachments() 4433: 4434: =item fail_redirect() 4435: 4436: =item redirect_back() 4437: 4438: =item no_redirect_back() 4439: 4440: =item screen_header() 4441: 4442: =item resource_output() 4443: 4444: =item clear_out_html() 4445: 4446: =item assemble_email() 4447: 4448: =item feedback_available() 4449: 4450: =item send_msg() 4451: 4452: =item adddiscuss() 4453: 4454: =item get_discussion_info() 4455: 4456: =item show_preview() 4457: 4458: =item newline_to_br() 4459: 4460: =item tidy_html() 4461: 4462: =item generate_preview_button() 4463: 4464: =item modify_attachments() 4465: 4466: =item process_attachments() 4467: 4468: =item generate_attachments_button() 4469: 4470: =item extract_attachments() 4471: 4472: =item construct_attachmenturl() 4473: 4474: =item add_blog_checkbox() 4475: 4476: =item has_discussion() 4477: 4478: =item sort_filter_names() 4479: 4480: =item handler() 4481: 4482: =item blocked_reply_or_edit() 4483: 4484: =item wrap_symb() 4485: 4486: =item dewrapper() 4487: 4488: =item get_feedurl() 4489: 4490: =item get_feedurl_and_clean_symb() 4491: 4492: =item editing_allowed() 4493: 4494: =item check_group_priv() 4495: 4496: =item group_args() 4497: 4498: =item get_resource_title() 4499: 4500: =back 4501: 4502: =cut