loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.335: download - view: text, annotated - select for diffs
Mon Feb 20 11:28:01 2012 UTC (12 years, 3 months ago) by goltermann
Branches: MAIN
CVS tags: HEAD

improved layout and button labeling.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.335 2012/02/20 11:28:01 goltermann 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,$title)=@_; 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,undef,undef,$title); 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: &discussion_link($ressymb, 791: '<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>', 794: 'sendmessageonly'). 795: '</span>'; 796: return $output; 797: } 798: 799: sub action_links_bar { 800: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 801: my $discussion = '<tr><td colspan="'.$colspan.'">'. 802: '<table width="100%"><tr>'. 803: '<td class="LC_disc_action_left">'; 804: my $escsymb=&escape($ressymb); 805: if ($visible) { 806: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 807: if ($newpostsflag) { 808: $discussion .= '&previous='.$prevread; 809: } 810: $discussion .= &group_args($group); 811: $discussion .='">'.&mt('Threaded View').'</a>  '. 812: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 813: if ($newpostsflag) { 814: $discussion .= '&previous='.$prevread; 815: } 816: $discussion .= &group_args($group); 817: $discussion .='">'.&mt('Chronological View').'</a>  '; 818: 819: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes'; 820: if ($newpostsflag) { 821: $otherviewurl .= '&previous='.$prevread; 822: } 823: $otherviewurl .= &group_args($group); 824: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340); 825: $discussion .= '<br />'; 826: } 827: $discussion .='<a href="/adm/feedback?export='.$escsymb; 828: if ($newpostsflag) { 829: $discussion .= '&previous='.$prevread; 830: } 831: $discussion .= &group_args($group); 832: $discussion .= '">'.&mt('Export').'</a>'; 833: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) { 834: $discussion .= '  '; 835: $discussion .='<a href="/adm/feedback?undeleteall='.$escsymb; 836: if ($newpostsflag) { 837: $discussion .= '&previous='.$prevread; 838: } 839: $discussion .= &group_args($group); 840: $discussion .= '">'.&mt('Undelete all deleted entries').'</a>'; 841: } 842: $discussion.='</td>'; 843: if ($newpostsflag) { 844: if (!$markondisp) { 845: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 846: $discussion .= &group_args($group); 847: $discussion .= '">'. 848: &mt('My general preferences on what is marked as NEW'). 849: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 850: $discussion .= &group_args($group); 851: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 852: } else { 853: $discussion .= '<td> </td>'; 854: } 855: } else { 856: $discussion .= '<td> </td>'; 857: } 858: $discussion .= '</tr></table></td></tr>'; 859: return $discussion; 860: } 861: 862: sub postingform_display { 863: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 864: $currnewattach,$currdelold,$group,$crstype) = @_; 865: my $newattachmsg; 866: my %lt = &Apache::lonlocal::texthash( 867: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 868: 'title' => 'Title', 869: 'podi' => 'Post Discussion', 870: 'poan' => 'Post Anonymous Discussion', 871: 'newa' => 'New attachments', 872: ); 873: if ($crstype eq 'Community') { 874: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 875: } 876: my ($postingform,$textareaclass); 877: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 878: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 879: $textareaclass = 'class="LC_richDefaultOff"'; 880: if ($env{'request.course.id'}) { 881: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 882: undef($textareaclass); 883: } 884: } 885: } 886: $postingform .= (<<ENDDISCUSS); 887: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 888: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 889: <input type="hidden" name="sendit" value="true" /> 890: <input type="hidden" name="timestamp" value="$now" /> 891: <a name="newpost"></a> 892: <font size="1">$lt{'note'}</font><br /> 893: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /> 894: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 895: ENDDISCUSS 896: if ($env{'form.origpage'}) { 897: $postingform .= '<input type="hidden" name="origpage" value="'. 898: $env{'form.origpage'}.'" />'."\n"; 899: foreach my $att (@{$currnewattach}) { 900: $postingform .= '<input type="hidden" name="currnewattach" '. 901: 'value="'.$att.'" />'."\n"; 902: } 903: } 904: if (exists($env{'form.ref'})) { 905: $postingform .= '<input type="hidden" name="ref" value="'. 906: $env{'form.ref'}.'" />'; 907: } 908: if ($group ne '') { 909: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 910: } 911: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 912: if (!$blockblog) { 913: $postingform .= &add_blog_checkbox($crstype); 914: } 915: $postingform .= "</form>\n"; 916: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 917: $now,$currnewattach, 918: $currdelold,'',$mode, 919: $blockblog); 920: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 921: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 922: if (@{$currnewattach} > 1) { 923: $newattachmsg .= '<ol>'; 924: foreach my $item (@{$currnewattach}) { 925: $item =~ m#.*/([^/]+)$#; 926: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 927: } 928: $newattachmsg .= '</ol>'."\n"; 929: } else { 930: $$currnewattach[0] =~ m#.*/([^/]+)$#; 931: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 932: } 933: } 934: $postingform .= $newattachmsg; 935: $postingform .= &generate_preview_button(); 936: return $postingform; 937: } 938: 939: sub build_posting_display { 940: 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) = @_; 941: my @original=(); 942: my @index=(); 943: my $skip_group_check = 0; 944: my $symb=&Apache::lonenc::check_decrypt($ressymb); 945: my $escsymb=&escape($ressymb); 946: # These are the discussion contributions 947: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 948: $env{'course.'.$env{'request.course.id'}.'.domain'}, 949: $env{'course.'.$env{'request.course.id'}.'.num'}); 950: # And these are the likes/unlikes 951: my %likes=&Apache::lonnet::dump('disclikes', 952: $env{'course.'.$env{'request.course.id'}.'.domain'}, 953: $env{'course.'.$env{'request.course.id'}.'.num'}, 954: '^'.$symb.':'); 955: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 956: # Array with likes to figure out averages, etc. 957: my @theselikes=(); 958: # Is the user allowed to see the real name behind anonymous postings? 959: my $see_anonymous = 960: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 961: 962: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 963: $skip_group_check = 1; 964: } 965: # Deletions and hiddens are just lists. Split them up into a hash for quicker lookup 966: my (%deletions,%hiddens); 967: if ($contrib{'deleted'}) { 968: my $deleted = $contrib{'deleted'}; 969: $deleted =~ s/^\.//; 970: $deleted =~ s/\.$//; 971: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 972: } 973: if ($contrib{'hidden'}) { 974: my $hidden = $contrib{'hidden'}; 975: $hidden =~ s/^\.//; 976: $hidden =~ s/\.$//; 977: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 978: } 979: # Versions if store/restore are used to actually store the messages. 980: if ($contrib{'version'}) { 981: my $oldest = $contrib{'1:timestamp'}; 982: if ($prevread eq '0') { 983: $prevread = $oldest-1; 984: } 985: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 986: if ($sortposts) { 987: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 988: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 989: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 990: } 991: # We need to go through this twice, first to get the likes/dislikes, then to actually build the display 992: for (my $id=1;$id<=$contrib{'version'};$id++) { 993: my $idx=$id; 994: next if ($contrib{$idx.':deleted'}); 995: next if ($contrib{$idx.':hidden'}); 996: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx}) || (!$contrib{$idx.':message'})) { 997: push(@theselikes,$likes{$symb.':'.$idx.':likes'}); 998: } 999: } 1000: # Figure out average likes and standard deviation if there are enough discussions to warrant that 1001: my $ave=0; 1002: my $stddev=10000; 1003: if ($#theselikes>1) { 1004: my $sum=0; 1005: my $num=$#theselikes+1; 1006: foreach my $thislike (@theselikes) { 1007: $sum+=$thislike; 1008: } 1009: $ave=$sum/$num; 1010: my $sumsq=0; 1011: foreach my $thislike (@theselikes) { 1012: $sumsq+=($thislike-$ave)*($thislike-$ave); 1013: } 1014: $stddev=sqrt($sumsq/$num); 1015: } 1016: # Now we know the average likes $ave and the standard deviation $stddev 1017: # Get the boundaries for markup 1018: my $oneplus=$ave+$stddev; 1019: my $twoplus=$ave+2.*$stddev; 1020: my $oneminus=$ave-$stddev; 1021: my $twominus=$ave-2.*$stddev; 1022: # 1023: # This is now the real loop. Go through all entries, pick up what we need 1024: # 1025: for (my $id=1;$id<=$contrib{'version'};$id++) { 1026: my $idx=$id; 1027: next if ($contrib{$idx.':deleted'}); 1028: next if ($contrib{$idx.':hidden'}); 1029: # 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 1030: # previous edits, but it counts as one entry 1031: my $posttime = $contrib{$idx.':timestamp'}; 1032: if ($prevread <= $posttime) { 1033: $$newpostsflag = 1; 1034: } 1035: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 1036: my $origindex='0.'; 1037: my $numoldver=0; 1038: if ($contrib{$idx.':replyto'}) { 1039: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1040: # this is a follow-up message 1041: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 1042: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 1043: $origindex=$index[$contrib{$idx.':replyto'}]; 1044: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 1045: } else { 1046: $original[$idx]=0; 1047: $$depth[$idx]=0; 1048: } 1049: } else { 1050: # this is an original message 1051: $original[$idx]=0; 1052: $$depth[$idx]=0; 1053: } 1054: if ($$replies[$$depth[$idx]]) { 1055: $$replies[$$depth[$idx]]++; 1056: } else { 1057: $$replies[$$depth[$idx]]=1; 1058: } 1059: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1060: $$visible++; 1061: if ($contrib{$idx.':history'}) { 1062: if ($contrib{$idx.':history'} =~ /:/) { 1063: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1064: $numoldver = @oldversions; 1065: } else { 1066: $numoldver = 1; 1067: } 1068: } 1069: $$current = $numoldver; 1070: my %messages = (); 1071: my %subjects = (); 1072: my %attachtxt = (); 1073: my %allattachments = (); 1074: my ($screenname,$plainname); 1075: my $sender = &mt('Anonymous'); 1076: # Anonymous users getting number within a discussion 1077: # Since idx is in static order, this should give the same sequence every time. 1078: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1079: unless ($$anonhash{$key}) { 1080: $anoncnt++; 1081: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1082: } 1083: my ($message,$subject,$vgrlink,$ctlink); 1084: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1085: 1086: 1087: # Set up for sorting by subject 1088: unless ($outputtarget eq 'export') { 1089: $message=$messages{$numoldver}; 1090: $message.=$attachtxt{$numoldver}; 1091: $subject=$subjects{$numoldver}; 1092: if ($message) { 1093: if ($hiddens{$idx}) { 1094: $message='<font color="#888888">'.$message.'</font>'; 1095: if ($studenthidden) { 1096: $message .='<br /><br />Deleted by poster (student).'; 1097: } 1098: } 1099: 1100: if ($subject eq '') { 1101: if (defined($$subjectsort{'__No subject'})) { 1102: push(@{$$subjectsort{'__No subject'}}, $idx); 1103: } else { 1104: @{$$subjectsort{'__No subject'}} = ("$idx"); 1105: } 1106: } else { 1107: if (defined($$subjectsort{$subject})) { 1108: push(@{$$subjectsort{$subject}}, $idx); 1109: } else { 1110: @{$$subjectsort{$subject}} = ("$idx"); 1111: } 1112: } 1113: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1114: $sender=&Apache::loncommon::aboutmewrapper( 1115: $plainname, 1116: $contrib{$idx.':sendername'}, 1117: $contrib{$idx.':senderdomain'}).' ('. 1118: $contrib{$idx.':sendername'}.':'. 1119: $contrib{$idx.':senderdomain'}.')'; 1120: $sender = '<b>'.$sender.'</b>'; 1121: if ($contrib{$idx.':anonymous'}) { 1122: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1123: $screenname; 1124: } 1125: if ($see_anonymous) { 1126: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1127: } 1128: # Set up for sorting by domain, then username 1129: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1130: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1131: } 1132: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1133: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1134: } else { 1135: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1136: } 1137: # Set up for sorting by last name, then first name 1138: my %names = &Apache::lonnet::get('environment', 1139: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1140: ,$contrib{$idx.':sendername'}); 1141: my $lastname = $names{'lastname'}; 1142: my $firstname = $names{'firstname'}; 1143: if ($lastname eq '') { 1144: $lastname = '_'; 1145: } 1146: if ($firstname eq '') { 1147: $firstname = '_'; 1148: } 1149: unless (defined($$namesort{$lastname})) { 1150: %{$$namesort{$lastname}} = (); 1151: } 1152: if (defined($$namesort{$lastname}{$firstname})) { 1153: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1154: } else { 1155: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1156: } 1157: if ($outputtarget ne 'tex') { 1158: # Add karma stars 1159: my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 1160: for (my $i=1;$i<=$karma;$i++) { 1161: $sender.='<img border="0" src="/res/adm/pages/star.gif" alt="'.&mt('Contributor Kudos').'" />'; 1162: } 1163: # Can people edit this? 1164: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1165: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1166: $sender.=' '. 1167: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1168: unless ($seeid) { 1169: my $grpargs = &group_args($group); 1170: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1171: $sender .= '">'.&mt('Delete').'</a>'; 1172: } 1173: } 1174: } 1175: if ($seeid) { 1176: if ($hiddens{$idx}) { 1177: unless ($studenthidden) { 1178: $sender.=' '. 1179: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1180: } 1181: } else { 1182: $sender.=' '. 1183: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1184: } 1185: my $grpargs = &group_args($group); 1186: $sender.= 1187: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1188: $sender .= &mt('Delete').'</a>'; 1189: } 1190: } 1191: } else { 1192: if ($screenname) { 1193: $sender='<i>'.$screenname.'</i>'; 1194: } else { 1195: $sender='<i>'.$$anonhash{$key}.'</i>'; 1196: } 1197: $sender = '<b>'.$sender.'</b>'; 1198: # Set up for sorting by domain, then username for anonymous 1199: unless (defined($$usernamesort{'__anon'})) { 1200: %{$$usernamesort{'__anon'}} = (); 1201: } 1202: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1203: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1204: } else { 1205: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1206: } 1207: # Set up for sorting by last name, then first name for anonymous 1208: unless (defined($$namesort{'__anon'})) { 1209: %{$$namesort{'__anon'}} = (); 1210: } 1211: if (defined($$namesort{'__anon'}{'__anon'})) { 1212: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1213: } else { 1214: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1215: } 1216: } 1217: if ($outputtarget ne 'tex') { 1218: if (&discussion_open($status)) { 1219: if (($group ne '') && 1220: (&check_group_priv($group,'pgd') eq 'ok')) { 1221: $sender.=' '. 1222: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1223: } elsif (&Apache::lonnet::allowed('pch', 1224: $env{'request.course.id'}. 1225: ($env{'request.course.sec'}?'/'. 1226: $env{'request.course.sec'}:''))) { 1227: $sender.=' '. 1228: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread); 1229: } 1230: } 1231: if ($viewgrades) { 1232: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1233: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1234: } 1235: if ($$dischash{$readkey}=~/\.$idx\./) { 1236: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1237: } else { 1238: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1239: } 1240: } 1241: } 1242: #figure out at what position this needs to print 1243: } 1244: if ($outputtarget eq 'export' || $message) { 1245: my $thisindex=$idx; 1246: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1247: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1248: } 1249: $$alldiscussion{$thisindex}=$idx; 1250: $$shown{$idx} = 0; 1251: $index[$idx]=$thisindex; 1252: } 1253: if ($outputtarget eq 'export') { 1254: %{$$imsitems{$idx}} = (); 1255: $$imsitems{$idx}{'isvisible'}='true'; 1256: if ($hiddens{$idx}) { 1257: $$imsitems{$idx}{'isvisible'}='false'; 1258: } 1259: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1260: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1261: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1262: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1263: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1264: $contrib{$idx.':sendername'}.':'. 1265: $contrib{$idx.':senderdomain'}.')'; 1266: $$imsitems{$idx}{'isanonymous'}='false'; 1267: if ($contrib{$idx.':anonymous'}) { 1268: $$imsitems{$idx}{'isanonymous'}='true'; 1269: } 1270: $$imsitems{$idx}{'currversion'}=$numoldver; 1271: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1272: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1273: $$shown{$idx} = 1; 1274: } 1275: } else { 1276: if ($message) { 1277: my $spansize = 2; 1278: if ($showonlyunread && $prevread > $posttime) { 1279: $$notshown{$idx} = 1; 1280: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1281: $$notshown{$idx} = 1; 1282: } else { 1283: # apply filters 1284: my $uname = $contrib{$idx.':sendername'}; 1285: my $udom = $contrib{$idx.':senderdomain'}; 1286: my $poster = $uname.':'.$udom; 1287: if ($env{'form.totposters'} ne '') { 1288: if ($totposters == 0) { 1289: $$shown{$idx} = 0; 1290: } elsif ($totposters > 0) { 1291: if (grep/^$poster$/,@{$posters}) { 1292: $$shown{$idx} = 1; 1293: } 1294: } 1295: } elsif ($sortposts) { 1296: if ($skiptest) { 1297: $$shown{$idx} = 1; 1298: } else { 1299: foreach my $role (@{$$roleinfo{$poster}}) { 1300: if ($role =~ /^cc:/) { 1301: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1302: if ($role =~ /$cc_regexp/) { 1303: $$shown{$idx} = 1; 1304: last; 1305: } 1306: } elsif ($role =~ /^$rolematch$/) { 1307: $$shown{$idx} = 1; 1308: last; 1309: } 1310: } 1311: } 1312: if ($$shown{$idx} && !$skip_group_check) { 1313: my $showflag = 0; 1314: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1315: foreach my $grp (@{$grouppick}) { 1316: if (grep/^\Q$grp\E$/, 1317: keys(%{$$classgroups{$poster}{active}})) { 1318: $showflag = 1; 1319: last; 1320: } 1321: } 1322: } 1323: if ($showflag) { 1324: $$shown{$idx} = 1; 1325: } else { 1326: $$shown{$idx} = 0; 1327: } 1328: } 1329: } else { 1330: $$shown{$idx} = 1; 1331: } 1332: } 1333: unless ($$notshown{$idx} == 1) { 1334: if ($prevread > 0 && $prevread <= $posttime) { 1335: $$newitem{$idx} = 1; 1336: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>'; 1337: } else { 1338: $$newitem{$idx} = 0; 1339: } 1340: $$discussionitems[$idx] .= '<b>'.$subject.'</b>  '. 1341: $sender.' '.$vgrlink.' ('. 1342: &Apache::lonlocal::locallocaltime($posttime).')'; 1343: if ($$dischash{$toggkey}) { 1344: $$discussionitems[$idx].='  '.$ctlink; 1345: } 1346: # Figure out size based on likes 1347: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1348: my $likesize="100"; 1349: if ($thislikes>$twoplus) { 1350: $likesize="200"; 1351: } elsif ($thislikes>$oneplus) { 1352: $likesize="150"; 1353: } 1354: if ($thislikes<$twominus) { 1355: $likesize="50"; 1356: } elsif ($thislikes<$oneminus) { 1357: $likesize="75"; 1358: } 1359: # Actually glue in the message itself 1360: $$discussionitems[$idx].= '<br /><blockquote>'. 1361: "<div style='font-size:$likesize%'>". 1362: $message. 1363: '</div></blockquote>'; 1364: # Put in the like and unlike buttons 1365: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) { 1366: $$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting")); 1367: } else { 1368: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsup_gray.png" alt="'.&mt('You like this posting').'" />'; 1369: } 1370: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) { 1371: $$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />',,'unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting")); 1372: } else { 1373: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsdown_gray.png" alt="'.&mt('You unlike this posting').'" />'; 1374: } 1375: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1376: if ($thislikes>0) { 1377: $$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')'; 1378: } elsif ($thislikes<0) { 1379: $$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; 1380: } 1381: # If there is any history to this post, inform the reader 1382: if ($contrib{$idx.':history'}) { 1383: my @postversions = (); 1384: $$discussionitems[$idx] .= '  '.&mt('This post has been edited by the author.'); 1385: if ($seeid) { 1386: $$discussionitems[$idx] .= '  '. 1387: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group)); 1388: } 1389: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1390: if ($contrib{$idx.':history'} =~ m/:/) { 1391: @postversions = split(/:/,$contrib{$idx.':history'}); 1392: } else { 1393: @postversions = ("$contrib{$idx.':history'}"); 1394: } 1395: for (my $i=0; $i<@postversions; $i++) { 1396: my $version = $i+1; 1397: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1398: } 1399: } 1400: # end of unless ($$notshown ...) 1401: } 1402: # end of if ($message) ... 1403: } 1404: # end of the else-branch of target being export 1405: } 1406: # end of unless hidden or deleted 1407: } 1408: # end of the loop over all discussion entries 1409: } 1410: # end of "if there actually are any discussions 1411: } 1412: # end of subroutine "build_posting_display" 1413: } 1414: 1415: sub filter_regexp { 1416: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1417: my ($roleregexp,$secregexp,$statusregexp); 1418: my $skiptest = 1; 1419: if (@{$rolefilter} > 0) { 1420: my @okrolefilter = (); 1421: foreach my $role (@{$rolefilter}) { 1422: unless ($role eq '') { 1423: push(@okrolefilter, $role); 1424: } 1425: } 1426: if (@okrolefilter > 0) { 1427: if (grep/^all$/,@okrolefilter) { 1428: $roleregexp='[^:]+'; 1429: } else { 1430: if (@okrolefilter == 1) { 1431: $roleregexp=$okrolefilter[0]; 1432: } else { 1433: $roleregexp='('.join('|',@okrolefilter).')'; 1434: } 1435: $skiptest = 0; 1436: } 1437: } 1438: } 1439: if (@{$sectionpick} > 0) { 1440: my @oksectionpick = (); 1441: foreach my $sec (@{$sectionpick}) { 1442: unless ($sec eq '') { 1443: push(@oksectionpick, $sec); 1444: } 1445: } 1446: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1447: if (@oksectionpick == 1) { 1448: $secregexp = $oksectionpick[0]; 1449: } else { 1450: $secregexp .= '('.join('|',@oksectionpick).')'; 1451: } 1452: $skiptest = 0; 1453: } else { 1454: $secregexp .= '[^:]*'; 1455: } 1456: } 1457: 1458: if (defined($statusfilter) && $statusfilter ne '') { 1459: if ($statusfilter eq 'all') { 1460: $statusregexp = '[^:]+'; 1461: } else { 1462: $statusregexp = $statusfilter; 1463: $skiptest = 0; 1464: } 1465: } 1466: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1467: } 1468: 1469: 1470: sub get_post_contents { 1471: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1472: my $discussion = ''; 1473: my $start=$numver; 1474: my $end=$numver + 1; 1475: %{$$imsfiles{$idx}}=(); 1476: if ($type eq 'allversions') { 1477: unless($seeid) { 1478: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1479: return $discussion; 1480: } 1481: } 1482: # $$screenname=&Apache::loncommon::screenname( 1483: # $$contrib{$idx.':sendername'}, 1484: # $$contrib{$idx.':senderdomain'}); 1485: $$plainname=&Apache::loncommon::nickname( 1486: $$contrib{$idx.':sendername'}, 1487: $$contrib{$idx.':senderdomain'}); 1488: $$screenname=$$contrib{$idx.':screenname'}; 1489: 1490: my $sender=&Apache::loncommon::aboutmewrapper( 1491: $$plainname, 1492: $$contrib{$idx.':sendername'}, 1493: $$contrib{$idx.':senderdomain'}).' ('. 1494: $$contrib{$idx.':sendername'}.':'. 1495: $$contrib{$idx.':senderdomain'}.')'; 1496: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1497: my @postversions = (); 1498: if ($type eq 'allversions' || $type eq 'export') { 1499: $start = 0; 1500: if ($$contrib{$idx.':history'}) { 1501: @postversions = split(/:/,$$contrib{$idx.':history'}); 1502: } 1503: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1504: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1505: push(@postversions,$$contrib{$idx.':timestamp'}); 1506: $end = @postversions; 1507: } else { 1508: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1509: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1510: } 1511: 1512: if ($$contrib{$idx.':anonymous'}) { 1513: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1514: } 1515: if ($type eq 'allversions') { 1516: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1517: } 1518: for (my $i=$start; $i<$end; $i++) { 1519: my ($timesent,$attachmsg); 1520: my %currattach = (); 1521: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1522: unless (&contains_block_html($messages->{$i})) { 1523: &newline_to_br(\$messages->{$i}); 1524: } 1525: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1526: $$subjects{$i}=~s/\n/\<br \/\>/g; 1527: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1528: if ($attachmenturls) { 1529: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1530: } 1531: if ($type eq 'export') { 1532: $$imsfiles{$idx}{$i} = ''; 1533: if ($attachmsg) { 1534: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1535: foreach my $key (sort(keys(%currattach))) { 1536: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1537: my $fname = $1.$3.'/'.$4; 1538: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1539: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1540: } 1541: } 1542: } 1543: } else { 1544: if ($attachmsg) { 1545: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1546: } else { 1547: $$attachtxt{$i} = ''; 1548: } 1549: } 1550: if ($type eq 'allversions') { 1551: $discussion.= <<"END"; 1552: <li><b>$$subjects{$i}</b>, $timesent<br /> 1553: $$messages{$i}<br /> 1554: $$attachtxt{$i}</li> 1555: END 1556: } 1557: } 1558: if ($type eq 'allversions') { 1559: $discussion.='</ul>'; 1560: return $discussion; 1561: } else { 1562: return; 1563: } 1564: } 1565: 1566: sub replicate_attachments { 1567: my ($attachrefs,$tempexport) = @_; 1568: my $response; 1569: foreach my $id (keys(%{$attachrefs})) { 1570: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1571: my $path = $tempexport; 1572: my $tail = $1.'/'.$2.$4; 1573: my @extras = split(/\//,$tail); 1574: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1575: if (!-e $destination) { 1576: my $i= 0; 1577: while ($i<@extras) { 1578: $path .= '/'.$extras[$i]; 1579: if (!-e $path) { 1580: mkdir($path,0700); 1581: } 1582: $i ++; 1583: } 1584: my ($content,$rtncode); 1585: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1586: if ($uploadreply eq 'ok') { 1587: my $attachcopy; 1588: if ($attachcopy = Apache::File->new('>'.$destination)) { 1589: print $attachcopy $content; 1590: close($attachcopy); 1591: } else { 1592: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1593: } 1594: } else { 1595: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1596: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1597: } 1598: } 1599: } 1600: } 1601: return $response; 1602: } 1603: 1604: sub mail_screen { 1605: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1606: if (exists($env{'form.origpage'})) { 1607: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1608: } 1609: 1610: my %lt = &Apache::lonlocal::texthash( 1611: 'myqu' => 'My question/comment/feedback:', 1612: 'title' => 'Title', 1613: 'reta' => 'Retained attachments', 1614: 'atta' => 'Attachment', 1615: ); 1616: my $restitle = &get_resource_title($caller_symb,$feedurl); 1617: my $quote=''; 1618: my $subject = ''; 1619: my $comment = ''; 1620: my $prevtag = ''; 1621: my $parentmsg = ''; 1622: my ($symb,$idx,$attachmenturls); 1623: my $numoldver = 0; 1624: my $attachmsg = ''; 1625: my $newattachmsg = ''; 1626: my @currnewattach = (); 1627: my @currdelold = (); 1628: my @keepold = (); 1629: my %attachments = (); 1630: my %currattach = (); 1631: my $attachnum = 0; 1632: my $anonchk = (<<END); 1633: function anonchk() { 1634: for (var i=0; i < document.mailform.discuss.length; i++) { 1635: if (document.mailform.discuss[i].checked) { 1636: document.attachment.discuss.value = 1637: document.mailform.discuss[i].value; 1638: } 1639: } 1640: if (document.mailform.blog.checked) { 1641: document.attachment.blog.value = 1; 1642: } 1643: return 1644: } 1645: END 1646: my $anonscript; 1647: if (exists($env{'form.origpage'})) { 1648: $anonscript = (<<END); 1649: function setposttype() { 1650: var disc = "$env{'form.discuss'}"; 1651: for (var i=0; i < document.mailform.discuss.length; i++) { 1652: if (disc == document.mailform.discuss[i].value) { 1653: document.mailform.discuss[i].checked = 1; 1654: } 1655: } 1656: var blog = "$env{'form.blog'}"; 1657: if (blog == 1) { 1658: document.mailform.blog.checked=1; 1659: } 1660: return 1661: } 1662: END 1663: } else { 1664: $anonscript = (<<END); 1665: function setposttype() { 1666: return 1667: } 1668: END 1669: } 1670: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1671: if ($env{'form.replydisc'}) { 1672: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1673: } else { 1674: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1675: } 1676: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1677: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1678: $env{'course.'.$env{'request.course.id'}.'.num'}); 1679: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1680: if ($contrib{$idx.':history'}) { 1681: if ($contrib{$idx.':history'} =~ /:/) { 1682: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1683: $numoldver = @oldversions; 1684: } else { 1685: $numoldver = 1; 1686: } 1687: } 1688: if ($env{'form.replydisc'}) { 1689: if ($contrib{$idx.':history'}) { 1690: if ($contrib{$idx.':history'} =~ /:/) { 1691: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1692: $numoldver = @oldversions; 1693: } else { 1694: $numoldver = 1; 1695: } 1696: } 1697: if ($idx > 0) { 1698: my %msgversions = (); 1699: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1700: $quote = $msgversions{$numoldver}; 1701: } 1702: if ($idx > 0) { 1703: my %subversions = (); 1704: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1705: $subject = &mt('Re: ').$subversions{$numoldver}; 1706: } 1707: $subject = &HTML::Entities::encode($subject,'<>&"'); 1708: } else { 1709: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1710: if ($idx > 0) { 1711: my %msgversions = (); 1712: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1713: $comment = $msgversions{$numoldver}; 1714: my %subversions = (); 1715: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1716: $subject = $subversions{$numoldver}; 1717: } 1718: if (defined($contrib{$idx.':replyto'})) { 1719: $parentmsg = $contrib{$idx.':replyto'}; 1720: } 1721: unless (exists($env{'form.origpage'})) { 1722: my $anonflag = 'nonanon'; 1723: if ($contrib{$idx.':anonymous'}) { 1724: $anonflag = 'anon'; 1725: } 1726: $anonscript = (<<END); 1727: function setposttype () { 1728: var currtype = "$anonflag"; 1729: for (var i=0; i<document.mailform.discuss.length; i++) { 1730: if (document.mailform.elements.discuss[i].value == currtype ) { 1731: document.mailform.elements.discuss[i].checked=1; 1732: } 1733: } 1734: return 1735: } 1736: END 1737: } 1738: } 1739: } 1740: if ($env{'form.previous'}) { 1741: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1742: } 1743: } 1744: 1745: if ($env{'form.origpage'}) { 1746: $subject = &unescape($env{'form.subject'}); 1747: $comment = &unescape($env{'form.comment'}); 1748: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1749: } 1750: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0)); 1751: my $send=&mt('Send'); 1752: my $alert = &mt('Please select a feedback type.'); 1753: my $js= <<END; 1754: <script type="text/javascript"> 1755: // 1789: </script> 1790: END 1791: 1792: my ($textareaheader,$textareaclass); 1793: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1794: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1795: $textareaclass = 'class="LC_richDefaultOff"'; 1796: if ($env{'request.course.id'}) { 1797: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1798: undef($textareaclass); 1799: } 1800: } 1801: } 1802: 1803: # Breadcrumbs 1804: my $brcrum = [{'href' => '', 1805: 'text' => 'Resource Feedback and Discussion'}]; 1806: 1807: my %onload = ('onload' => 'window.focus();setposttype();'); 1808: my %parms=('add_entries' => \%onload); 1809: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1810: my $start_page= 1811: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1812: 1813: if ($quote ne '') { 1814: $quote = &HTML::Entities::decode($quote); 1815: unless (&contains_block_html($quote)) { 1816: &newline_to_br(\$quote); 1817: } 1818: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1819: } 1820: my $header=''; 1821: unless ($env{'form.modal'}) { 1822: $header="<h2><tt>$restitle</tt></h2>"; 1823: } 1824: $r->print(<<END); 1825: $start_page 1826: $header 1827: <form action="/adm/feedback" method="post" name="mailform" 1828: enctype="multipart/form-data"> 1829: $prevtag 1830: <input type="hidden" name="postdata" value="$feedurl" /> 1831: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1832: END 1833: if ($env{'form.replydisc'}) { 1834: $r->print(<<END); 1835: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1836: END 1837: } elsif ($env{'form.editdisc'}) { 1838: $r->print(<<END); 1839: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1840: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1841: END 1842: } 1843: $r->print(<<END); 1844: $options 1845: $quote 1846: <p>$lt{'myqu'} 1847: $textareaheader 1848: </p> 1849: <p> 1850: $latexHelp 1851: </p> 1852: <p> 1853: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1854: <p> 1855: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1856: </textarea></p> 1857: END 1858: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1859: if ($env{'form.origpage'}) { 1860: foreach my $attach (@currnewattach) { 1861: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1862: } 1863: foreach my $oldatt (@currdelold) { 1864: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1865: } 1866: } 1867: if ($env{'form.editdisc'}) { 1868: if ($attachmenturls) { 1869: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1870: $attachnum = scalar(keys(%currattach)); 1871: foreach my $key (keys(%currattach)) { 1872: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1873: } 1874: } 1875: } 1876: } else { 1877: $r->print(<<END); 1878: <p> 1879: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1880: </p> 1881: END 1882: } 1883: if (exists($env{'form.group'})) { 1884: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1885: } 1886: if (exists($env{'form.ref'})) { 1887: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1888: } 1889: $r->print(<<END); 1890: <p> 1891: <input type="hidden" name="sendit" value="1" /> 1892: <input type="button" value="$send" onclick='gosubmit();' /> 1893: </p> 1894: </form> 1895: END 1896: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1897: my $now = time; 1898: my $ressymb = $symb; 1899: &Apache::lonenc::check_encrypt(\$ressymb); 1900: my $postidx = ''; 1901: if ($env{'form.editdisc'}) { 1902: $postidx = $idx; 1903: } 1904: if (@currnewattach > 0) { 1905: $attachnum += @currnewattach; 1906: } 1907: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1908: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1909: if ($attachnum > 0) { 1910: if (@currnewattach > 0) { 1911: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1912: if (@currnewattach > 1) { 1913: $newattachmsg .= '<ol>'; 1914: foreach my $item (@currnewattach) { 1915: $item =~ m#.*/([^/]+)$#; 1916: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1917: } 1918: $newattachmsg .= '</ol>'."\n"; 1919: } else { 1920: $currnewattach[0] =~ m#.*/([^/]+)$#; 1921: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1922: } 1923: } 1924: if ($attachmsg) { 1925: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1926: } 1927: if ($newattachmsg) { 1928: $r->print("$newattachmsg<br />"); 1929: } 1930: } 1931: } 1932: $r->print(&generate_preview_button(). 1933: &Apache::loncommon::end_page()); 1934: 1935: } 1936: 1937: sub print_display_options { 1938: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1939: &Apache::loncommon::content_type($r,'text/html'); 1940: $r->send_http_header; 1941: 1942: my $function = &Apache::loncommon::get_users_function(); 1943: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1944: $env{'user.domain'}); 1945: 1946: my %lt = &Apache::lonlocal::texthash( 1947: 'pref' => 'Display Preference', 1948: 'curr' => 'Current setting ', 1949: 'actn' => 'Action', 1950: 'deff' => 'Default for all discussions', 1951: 'prca' => 'Preferences can be set for this discussion that determine ....', 1952: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1953: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1954: 'wipa' => 'Whether individual posts can be marked as read/unread', 1955: 'allposts' => 'All posts', 1956: 'unread' => 'New posts only', 1957: 'unmark' => 'Posts not marked read', 1958: 'ondisp' => 'Once displayed', 1959: 'onmark' => 'Once marked not NEW', 1960: 'toggon' => 'Shown', 1961: 'toggoff' => 'Not shown', 1962: 'disa' => 'Posts displayed?', 1963: 'npmr' => 'New posts cease to be identified as "NEW"?', 1964: 'dotm' => 'Option to mark each post as read/unread?', 1965: 'chgt' => 'Change to ', 1966: 'mkdf' => 'Set to ', 1967: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1968: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1969: ); 1970: 1971: my $dispchangeA = $lt{'unread'}; 1972: my $dispchangeB = $lt{'unmark'}; 1973: my $markchange = $lt{'ondisp'}; 1974: my $toggchange = $lt{'toggon'}; 1975: my $currdisp = $lt{'allposts'}; 1976: my $currmark = $lt{'onmark'}; 1977: my $discdisp = 'allposts'; 1978: my $discmark = 'onmark'; 1979: my $currtogg = $lt{'toggoff'}; 1980: my $disctogg = 'toggoff'; 1981: 1982: if ($dispchgA eq 'allposts') { 1983: $dispchangeA = $lt{'allposts'}; 1984: $currdisp = $lt{'unread'}; 1985: $discdisp = 'unread'; 1986: } 1987: 1988: if ($markchg eq 'markonread') { 1989: $markchange = $lt{'onmark'}; 1990: $currmark = $lt{'ondisp'}; 1991: $discmark = 'ondisp'; 1992: } 1993: 1994: if ($dispchgB eq 'onlyunread') { 1995: $dispchangeB = $lt{'unread'}; 1996: $currdisp = $lt{'unmark'}; 1997: $discdisp = 'unmark'; 1998: } 1999: if ($toggchg eq 'toggoff') { 2000: $toggchange = $lt{'toggoff'}; 2001: $currtogg = $lt{'toggon'}; 2002: $disctogg = 'toggon'; 2003: } 2004: 2005: my $js = <<END; 2006: <script type="text/javascript"> 2007: function discdispChk(caller) { 2008: var disctogg = '$toggchg' 2009: if (caller == 0) { 2010: if (document.modifydisp.discdisp[0].checked == true) { 2011: if (document.modifydisp.discdisp[1].checked == true) { 2012: document.modifydisp.discdisp[1].checked = false 2013: } 2014: } 2015: } 2016: if (caller == 1) { 2017: if (document.modifydisp.discdisp[1].checked == true) { 2018: if (document.modifydisp.discdisp[0].checked == true) { 2019: document.modifydisp.discdisp[0].checked = false 2020: } 2021: if (disctogg == 'toggon') { 2022: document.modifydisp.disctogg.checked = true 2023: } 2024: if (disctogg == 'toggoff') { 2025: document.modifydisp.disctogg.checked = false 2026: } 2027: } 2028: } 2029: if (caller == 2) { 2030: var dispchgB = '$dispchgB' 2031: if (disctogg == 'toggoff') { 2032: if (document.modifydisp.disctogg.checked == true) { 2033: if (dispchgB == 'onlyunmark') { 2034: document.modifydisp.discdisp[1].checked = false 2035: } 2036: } 2037: } 2038: } 2039: } 2040: 2041: function setDisp() { 2042: var prev = "$previous" 2043: var chktotal = 0 2044: if (document.modifydisp.discdisp[0].checked == true) { 2045: document.modifydisp.$dispchgA.value = "$symb" 2046: chktotal ++ 2047: } 2048: if (document.modifydisp.discdisp[1].checked == true) { 2049: document.modifydisp.$dispchgB.value = "$symb" 2050: chktotal ++ 2051: } 2052: if (document.modifydisp.discmark.checked == true) { 2053: document.modifydisp.$markchg.value = "$symb" 2054: chktotal ++ 2055: } 2056: if (document.modifydisp.disctogg.checked == true) { 2057: document.modifydisp.$toggchg.value = "$symb" 2058: chktotal ++ 2059: } 2060: if (chktotal > 0) { 2061: document.modifydisp.submit() 2062: } else { 2063: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2064: if (prev > 0) { 2065: location.href = "$feedurl?previous=$previous" 2066: } else { 2067: location.href = "$feedurl" 2068: } 2069: } 2070: } 2071: } 2072: </script> 2073: END 2074: 2075: 2076: my $start_page = 2077: &Apache::loncommon::start_page('Discussion display options',$js); 2078: my $end_page = 2079: &Apache::loncommon::end_page(); 2080: $r->print(<<END); 2081: $start_page 2082: <form name="modifydisp" method="post" action="/adm/feedback"> 2083: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2084: <br /> 2085: END 2086: $r->print(&Apache::loncommon::start_data_table()); 2087: $r->print(<<END); 2088: <tr> 2089: <th>$lt{'pref'}</td> 2090: <th>$lt{'curr'}</td> 2091: <th>$lt{'actn'}?</td> 2092: </tr> 2093: END 2094: $r->print(&Apache::loncommon::start_data_table_row()); 2095: $r->print(<<END); 2096: <td>$lt{'disa'}</td> 2097: <td>$lt{$discdisp}</td> 2098: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2099: <br /> 2100: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2101: </td> 2102: END 2103: $r->print(&Apache::loncommon::end_data_table_row()); 2104: $r->print(&Apache::loncommon::start_data_table_row()); 2105: $r->print(<<END); 2106: <td>$lt{'npmr'}</td> 2107: <td>$lt{$discmark}</td> 2108: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2109: END 2110: $r->print(&Apache::loncommon::end_data_table_row()); 2111: $r->print(&Apache::loncommon::start_data_table_row()); 2112: $r->print(<<END); 2113: <td>$lt{'dotm'}</td> 2114: <td>$lt{$disctogg}</td> 2115: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2116: END 2117: my $save = &mt('Save'); 2118: $r->print(&Apache::loncommon::end_data_table_row()); 2119: $r->print(&Apache::loncommon::end_data_table()); 2120: $r->print(<<END); 2121: <br /> 2122: <br /> 2123: <input type="hidden" name="symb" value="$symb" /> 2124: <input type="hidden" name="previous" value="$previous" /> 2125: <input type="hidden" name="$dispchgA" value="" /> 2126: <input type="hidden" name="$dispchgB" value="" /> 2127: <input type="hidden" name="$markchg" value="" /> 2128: <input type="hidden" name="$toggchg" value="" /> 2129: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2130: END 2131: if (exists($env{'form.group'})) { 2132: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2133: } 2134: if (exists($env{'form.ref'})) { 2135: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2136: } 2137: $r->print(" 2138: <br /> 2139: <br /> 2140: </form> 2141: $end_page 2142: "); 2143: return; 2144: } 2145: 2146: sub print_sortfilter_options { 2147: my ($r,$symb,$previous,$feedurl) = @_; 2148: 2149: &Apache::loncommon::content_type($r,'text/html'); 2150: $r->send_http_header; 2151: 2152: &Apache::lonenc::check_encrypt(\$symb); 2153: my @sections; 2154: my $section_sel = ''; 2155: my $numvisible = 5; 2156: my @groups; 2157: my $group_sel = ''; 2158: my $numgroupvis = 5; 2159: my %sectioncount = &Apache::loncommon::get_sections(); 2160: my @courseroles = qw(st ad ep ta in); 2161: my $crstype = &Apache::loncommon::course_type(); 2162: my $ccrole = 'cc'; 2163: if ($crstype eq 'Community') { 2164: $ccrole = 'co'; 2165: } 2166: push(@courseroles,$ccrole); 2167: 2168: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2169: @sections = ('all',$env{'request.course.sec'}); 2170: $numvisible = 2; 2171: } else { 2172: @sections = sort {$a cmp $b} keys(%sectioncount); 2173: if (scalar(@sections) < 4) { 2174: $numvisible = scalar(@sections) + 1; 2175: } 2176: unshift(@sections,'all'); # Put 'all' at the front of the list 2177: 2178: } 2179: foreach my $sec (@sections) { 2180: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2181: } 2182: 2183: if (&check_group_priv() eq 'ok') { 2184: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2185: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2186: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2187: @groups = sort {$a cmp $b} keys(%curr_groups); 2188: if (scalar(@groups) < 4) { 2189: $numgroupvis = scalar(@groups) + 1; 2190: } 2191: unshift(@groups,'all'); # Put 'all' at the front of the list 2192: } else { 2193: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2194: if (@coursegroups > 0) { 2195: @coursegroups = sort {$a cmp $b} @coursegroups; 2196: @groups = ('all',@coursegroups); 2197: if (scalar(@groups) < 4) { 2198: $numgroupvis = scalar(@groups) + 1; 2199: } 2200: } else { 2201: @groups = ('all'); 2202: $numgroupvis = 1; 2203: } 2204: } 2205: foreach my $group (@groups) { 2206: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2207: } 2208: 2209: my $function = &Apache::loncommon::get_users_function(); 2210: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2211: $env{'user.domain'}); 2212: my %lt = &Apache::lonlocal::texthash( 2213: 'diop' => 'Display Options', 2214: 'curr' => 'Current setting ', 2215: 'actn' => 'Action', 2216: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2217: 'soor' => 'Sort order', 2218: 'spur' => 'Specific user roles', 2219: 'sprs' => 'Specific role status', 2220: 'spse' => 'Specific sections', 2221: 'spgr' => 'Specific groups', 2222: 'psub' => 'Pick specific users (by name)', 2223: 'shal' => 'Show a list of current posters', 2224: 'stor' => 'Save changes', 2225: ); 2226: 2227: my %sort_types = (); 2228: my %role_types = (); 2229: my %status_types = (); 2230: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2231: 2232: my $js = <<END; 2233: <script type="text/javascript"> 2234: function verifyFilter() { 2235: var rolenum = 0 2236: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2237: if (document.modifyshown.rolefilter.options[i].selected == true) { 2238: rolenum ++ 2239: } 2240: } 2241: if (rolenum == 0) { 2242: document.modifyshown.rolefilter.options[0].selected = true 2243: } 2244: 2245: var secnum = 0 2246: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2247: if (document.modifyshown.sectionpick.options[i].selected == true) { 2248: secnum ++ 2249: } 2250: } 2251: if (secnum == 0) { 2252: document.modifyshown.sectionpick.options[0].selected = true 2253: } 2254: 2255: var grpnum = 0 2256: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2257: if (document.modifyshown.grouppick.options[i].selected == true) { 2258: grpnum ++ 2259: } 2260: } 2261: if (grpnum == 0) { 2262: document.modifyshown.grouppick.options[0].selected = true 2263: } 2264: 2265: document.modifyshown.submit(); 2266: } 2267: </script> 2268: END 2269: 2270: my $start_page= 2271: &Apache::loncommon::start_page('Discussion options',$js); 2272: my $end_page= 2273: &Apache::loncommon::end_page(); 2274: 2275: $r->print(<<END); 2276: $start_page 2277: <form name="modifyshown" method="post" action="/adm/feedback"> 2278: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2279: <br /> 2280: <table border="0"> 2281: <tr> 2282: <th>$lt{'soor'}</th> 2283: <th> </th> 2284: <th>$lt{'sprs'}</th> 2285: <th> </th> 2286: <th>$lt{'spur'}</th> 2287: <th> </th> 2288: <th>$lt{'spse'}</th> 2289: <th> </th> 2290: <th>$lt{'spgr'}</th> 2291: <th> </th> 2292: <th>$lt{'psub'}</th> 2293: </tr> 2294: <tr> 2295: <td align="center" valign="top"> 2296: <select name="sortposts"> 2297: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2298: <option value="descdate">$sort_types{'descdate'}</option> 2299: <option value="thread">$sort_types{'thread'}</option> 2300: <option value="subject">$sort_types{'subject'}</option> 2301: <option value="username">$sort_types{'username'}</option> 2302: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2303: </select> 2304: </td> 2305: <td> </td> 2306: <td align="center" valign="top"> 2307: <select name="statusfilter"> 2308: <option value="all" selected="selected">$status_types{'all'}</option> 2309: <option value="Active">$status_types{'Active'}</option> 2310: <option value="Expired">$status_types{'Expired'}</option> 2311: <option value="Future">$status_types{'Future'}</option> 2312: </select> 2313: </td> 2314: <td> </td> 2315: <td align="center" valign="top"> 2316: <select name="rolefilter" multiple="multiple" size="5"> 2317: <option value="all">$role_types{'all'}</option> 2318: <option value="st">$role_types{'st'}</option> 2319: <option value="$ccrole">$role_types{$ccrole}</option> 2320: <option value="in">$role_types{'in'}</option> 2321: <option value="ta">$role_types{'ta'}</option> 2322: <option value="ep">$role_types{'ep'}</option> 2323: <option value="ad">$role_types{'ad'}</option> 2324: <option value="cr">$role_types{'cr'}</option> 2325: </select> 2326: </td> 2327: <td> </td> 2328: <td align="center" valign="top"> 2329: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2330: $section_sel 2331: </select> 2332: </td> 2333: <td> </td> 2334: <td align="center" valign="top"> 2335: <select name="grouppick" multiple="multiple" size="$numvisible"> 2336: $group_sel 2337: </select> 2338: </td> 2339: <td> </td> 2340: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2341: </tr> 2342: </table> 2343: <br /> 2344: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" /> 2345: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2346: <input type="hidden" name="previous" value="$previous" /> 2347: <input type="hidden" name="applysort" value="$symb" /> 2348: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2349: END 2350: if (exists($env{'form.group'})) { 2351: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2352: } 2353: if (exists($env{'form.ref'})) { 2354: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2355: } 2356: $r->print(" 2357: <br /> 2358: <br /> 2359: </form> 2360: $end_page 2361: "); 2362: } 2363: 2364: sub print_showposters { 2365: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2366: 2367: &Apache::loncommon::content_type($r,'text/html'); 2368: $r->send_http_header; 2369: 2370: &Apache::lonenc::check_encrypt(\$symb); 2371: my $crs='/'.$env{'request.course.id'}; 2372: if ($env{'request.course.sec'}) { 2373: $crs.='_'.$env{'request.course.sec'}; 2374: } 2375: $crs=~s/\_/\//g; 2376: my $seeid; 2377: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2378: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2379: my $group = $env{'form.group'}; 2380: my $ressymb = &wrap_symb($symb); 2381: if (($group ne '') && 2382: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2383: if (&check_group_priv($group,'dgp') eq 'ok') { 2384: $seeid = 1; 2385: } 2386: } else { 2387: $seeid=&Apache::lonnet::allowed('rin',$crs); 2388: } 2389: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2390: $cdom,$cnum); 2391: my %namesort = (); 2392: my %postcounts = (); 2393: 2394: my %lt = &Apache::lonlocal::texthash( 2395: sele => 'Select', 2396: full => 'Fullname', 2397: usdo => 'Username:domain', 2398: post => 'Posts', 2399: ); 2400: if ($contrib{'version'}) { 2401: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2402: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2403: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2404: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2405: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2406: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2407: my $lastname = $names{'lastname'}; 2408: my $firstname = $names{'firstname'}; 2409: if ($lastname eq '') { 2410: $lastname = '_'; 2411: } 2412: if ($firstname eq '') { 2413: $firstname = '_'; 2414: } 2415: unless (defined($namesort{$lastname})) { 2416: %{$namesort{$lastname}} = (); 2417: } 2418: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2419: $postcounts{$poster} ++; 2420: if (defined($namesort{$lastname}{$firstname})) { 2421: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2422: push(@{$namesort{$lastname}{$firstname}}, $poster); 2423: } 2424: } else { 2425: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2426: } 2427: } 2428: } 2429: } 2430: } 2431: 2432: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2433: my $table_start =&Apache::loncommon::start_data_table(); 2434: $r->print(<<END); 2435: $start_page 2436: <form name="pickpostersform" method="post"> 2437: <br /> 2438: $table_start 2439: <tr> 2440: <th>#</th> 2441: <th>$lt{'sele'}</th> 2442: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2443: <th>$lt{'post'}</th> 2444: </tr> 2445: END 2446: my $count = 0; 2447: foreach my $last (sort(keys(%namesort))) { 2448: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2449: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2450: my ($uname,$udom) = split(/:/,$user); 2451: if (!$uname || !$udom) { 2452: next; 2453: } else { 2454: $count ++; 2455: $r->print(&Apache::loncommon::start_data_table_row(). 2456: '<td align="right">'.$count.'</td> 2457: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2458: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2459: <td>'.$postcounts{$user}.'</td>'. 2460: &Apache::loncommon::end_data_table_row()); 2461: } 2462: } 2463: } 2464: } 2465: $r->print(&Apache::loncommon::end_data_table()); 2466: my $end_page = &Apache::loncommon::end_page(); 2467: $r->print(<<END); 2468: <br /> 2469: <input type="hidden" name="sortposts" value="$sortposts" /> 2470: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2471: <input type="hidden" name="userpick" value="$symb" /> 2472: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2473: </form> 2474: $end_page 2475: END 2476: } 2477: 2478: sub get_post_versions { 2479: my ($versions,$incoming,$htmldecode,$numver) = @_; 2480: if ($incoming =~ /^<version num="0">/) { 2481: my $p = HTML::LCParser->new(\$incoming); 2482: my $done = 0; 2483: 2484: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2485: my $num = $token->[1]{num}; 2486: my $text = $p->get_text("/version"); 2487: if (defined($numver)) { 2488: if ($num == $numver) { 2489: if ($htmldecode) { 2490: $text = &HTML::Entities::decode($text); 2491: } 2492: $$versions{$numver}=$text; 2493: $done = 1; 2494: } 2495: } else { 2496: if ($htmldecode) { 2497: $text = &HTML::Entities::decode($text); 2498: } 2499: $$versions{$num}=$text; 2500: } 2501: } 2502: } else { 2503: if (!defined($numver)) { 2504: $numver = 0; 2505: } 2506: if ($htmldecode) { 2507: $$versions{$numver} = $incoming; 2508: } else { 2509: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2510: } 2511: } 2512: return; 2513: } 2514: 2515: sub get_post_attachments { 2516: my ($attachments,$attachmenturls) = @_; 2517: my $num; 2518: if ($attachmenturls =~ m/^<attachment id="0">/) { 2519: my $p = HTML::LCParser->new(\$attachmenturls); 2520: while (my $token = $p->get_tag("attachment","filename","post")) { 2521: if ($token->[0] eq "attachment") { 2522: $num = $token->[1]{id}; 2523: %{$$attachments{$num}} =(); 2524: } elsif ($token->[0] eq "filename") { 2525: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2526: } elsif ($token->[0] eq "post") { 2527: my $id = $token->[1]{id}; 2528: $$attachments{$num}{$id} = $p->get_text("/post"); 2529: } 2530: } 2531: } else { 2532: %{$$attachments{'0'}} = (); 2533: $$attachments{'0'}{'filename'} = $attachmenturls; 2534: $$attachments{'0'}{'0'} = 'n'; 2535: } 2536: 2537: return; 2538: } 2539: 2540: sub fail_redirect { 2541: my ($r,$feedurl) = @_; 2542: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2543: my %lt = &Apache::lonlocal::texthash( 2544: 'sorr' => 'Sorry, no recipients ...', 2545: ); 2546: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2547: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2548: {'redirect' => [2,$feedurl], 2549: 'only_body' => 1,})); 2550: $r->print(<<ENDFAILREDIR); 2551: <img align="right" src="$logo" /> 2552: <b>$lt{'sorr'}</b> 2553: ENDFAILREDIR 2554: $r->print(&Apache::loncommon::end_page()); 2555: } 2556: 2557: sub redirect_back { 2558: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2559: my $sorttag = ''; 2560: my $roletag = ''; 2561: my $statustag = ''; 2562: my $sectag = ''; 2563: my $grptag = ''; 2564: my $userpicktag = ''; 2565: my $qrystr = ''; 2566: my $prevtag = ''; 2567: 2568: &Apache::loncommon::content_type($r,'text/html'); 2569: $r->send_http_header; 2570: &dewrapper(\$feedurl); 2571: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2572: if ($previous > 0) { 2573: $qrystr = 'previous='.$previous; 2574: if ($feedurl =~ /\?register=1/) { 2575: $feedurl .= '&'.$qrystr; 2576: } else { 2577: $feedurl .= '?'.$qrystr; 2578: } 2579: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2580: } 2581: if (defined($sort)) { 2582: my $sortqry = 'sortposts='.$sort; 2583: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2584: $feedurl .= '&'.$sortqry; 2585: } else { 2586: $feedurl .= '?'.$sortqry; 2587: } 2588: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2589: if (defined($numpicks)) { 2590: my $userpickqry = 'totposters='.$numpicks; 2591: $feedurl .= '&'.$userpickqry; 2592: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2593: } else { 2594: if (ref($sectionpick) eq 'ARRAY') { 2595: $feedurl .= '&sectionpick='; 2596: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2597: foreach my $sec (@{$sectionpick}) { 2598: $feedurl .= $sec.','; 2599: $sectag .= $sec.','; 2600: } 2601: $feedurl =~ s/,$//; 2602: $sectag =~ s/,$//; 2603: $sectag .= '" />'; 2604: } else { 2605: $feedurl .= '&sectionpick='.$sectionpick; 2606: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2607: } 2608: if (ref($grouppick) eq 'ARRAY') { 2609: $feedurl .= '&grouppick='; 2610: $sectag .= '<input type="hidden" name="grouppick" value="'; 2611: foreach my $grp (@{$grouppick}) { 2612: $feedurl .= $grp.','; 2613: $grptag .= $grp.','; 2614: } 2615: $feedurl =~ s/,$//; 2616: $grptag =~ s/,$//; 2617: $grptag .= '" />'; 2618: } else { 2619: $feedurl .= '&grouppick='.$grouppick; 2620: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2621: } 2622: if (ref($rolefilter) eq 'ARRAY') { 2623: $feedurl .= '&rolefilter='; 2624: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2625: foreach my $role (@{$rolefilter}) { 2626: $feedurl .= $role.','; 2627: $roletag .= $role.','; 2628: } 2629: $feedurl =~ s/,$//; 2630: $roletag =~ s/,$//; 2631: $roletag .= '" />'; 2632: } else { 2633: $feedurl .= '&rolefilter='.$rolefilter; 2634: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2635: } 2636: $feedurl .= '&statusfilter='.$statusfilter; 2637: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2638: } 2639: } 2640: my $grouptag; 2641: if ($group ne '') { 2642: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2643: my $refarg; 2644: if (exists($env{'form.ref'})) { 2645: $refarg = '&ref='.$env{'form.ref'}; 2646: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2647: } 2648: if ($feedurl =~ /\?/) { 2649: $feedurl .= '&group='.$group.$refarg; 2650: } else { 2651: $feedurl .= '?group='.$group.$refarg; 2652: } 2653: } 2654: &Apache::lonenc::check_encrypt(\$feedurl); 2655: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2656: my %parms=('only_body' => 1); 2657: if ($env{'form.modal'}) { 2658: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2659: } else { 2660: $parms{'redirect'}=[0,$feedurl]; 2661: } 2662: my $start_page= 2663: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2664: my $end_page = &Apache::loncommon::end_page(); 2665: $r->print(<<ENDREDIR); 2666: $start_page 2667: <img align="right" src="$logo" /> 2668: $typestyle 2669: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2670: $blog 2671: $toolarge 2672: <font color="red">$status</font> 2673: <form name="reldt" action="$feedurl" target="loncapaclient"> 2674: $prevtag 2675: $sorttag 2676: $statustag 2677: $roletag 2678: $sectag 2679: $grptag 2680: $userpicktag 2681: $grouptag 2682: </form> 2683: $end_page 2684: ENDREDIR 2685: } 2686: 2687: sub no_redirect_back { 2688: my ($r,$feedurl) = @_; 2689: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2690: 2691: my %onload; 2692: 2693: my %body_options = ('only_body' => 1, 2694: 'bgcolor' => '#FFFFFF', 2695: 'add_entries' => \%onload,); 2696: 2697: if ($feedurl !~ m{^/adm/feedback}) { 2698: $body_options{'redirect'} = [2,$feedurl]; 2699: } 2700: my $start_page= 2701: &Apache::loncommon::start_page('Feedback not sent',undef, 2702: \%body_options); 2703: 2704: my $end_page = &Apache::loncommon::end_page(); 2705: 2706: &Apache::lonenc::check_encrypt(\$feedurl); 2707: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2708: $r->print (<<ENDNOREDIRTWO); 2709: $start_page 2710: <img align="right" src="$logo" /> 2711: <b>$nofeed</b> 2712: <br /> 2713: $end_page 2714: ENDNOREDIRTWO 2715: } 2716: 2717: sub screen_header { 2718: my ($feedurl,$symb,$group) = @_; 2719: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2720: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2721: my $contribdisc = &mt('Contribution to course discussion of resource'); 2722: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2723: my $namevis = &mt('name only visible to course faculty'); 2724: my $crstype; 2725: if ($env{'request.course.id'}) { 2726: $crstype = &Apache::loncommon::course_type(); 2727: if ($crstype eq 'Community') { 2728: $crscontent = &mt('Question/Comment/Feedback about community content'); 2729: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2730: $contribdisc = &mt('Contribution to community discussion of resource'); 2731: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2732: $namevis = &mt('name only visible to community facilitators'); 2733: } 2734: } 2735: my $msgoptions=''; 2736: my $discussoptions=''; 2737: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2738: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2739: $msgoptions= 2740: '<label><input type="radio" name="discuss" value="author" /> '. 2741: &mt('Feedback to resource author').'</label><br />'; 2742: } 2743: my %optionhash=(); 2744: foreach my $type ('question','comment','policy') { 2745: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2746: } 2747: if (&feedback_available(1)) { 2748: $msgoptions.= 2749: '<label><input type="radio" name="discuss" value="question" /> '. 2750: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label><br />'; 2751: } 2752: if (&feedback_available(0,1)) { 2753: $msgoptions.= 2754: '<label><input type="radio" name="discuss" value="course" /> '. 2755: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2756: '</label><br />'; 2757: } 2758: if (&feedback_available(0,0,1)) { 2759: $msgoptions.= 2760: '<label><input type="radio" name="discuss" value="policy" /> '. 2761: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2762: '</label><br />'; 2763: } 2764: } 2765: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2766: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2767: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2768: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2769: my $realsymb = $symb; 2770: if ($symb=~/^bulletin___/) { 2771: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2772: $filename=~s|^adm/wrapper/||; 2773: $realsymb=&Apache::lonnet::symbread($filename); 2774: } 2775: if (!$blocked && &discussion_open(undef,$realsymb) && 2776: (&Apache::lonnet::allowed('pch', 2777: $env{'request.course.id'}. 2778: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2779: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2780: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2781: $contribdisc. 2782: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2783: $anoncontrib. 2784: ' <i>('.$namevis.')</i></label> '. 2785: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2786: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2787: if (!$blockblog) { 2788: $discussoptions.= &add_blog_checkbox($crstype); 2789: } 2790: } 2791: } 2792: if ($msgoptions) { 2793: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2794: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'. 2795: '<td>'.$msgoptions.'</td></tr>'; 2796: } 2797: if ($discussoptions) { 2798: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2799: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'. 2800: '<td>'.$discussoptions.'</td></tr>'; 2801: } 2802: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table(); 2803: } 2804: 2805: sub resource_output { 2806: my ($feedurl) = @_; 2807: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2808: $usersaw=~s/\<body[^\>]*\>//gi; 2809: $usersaw=~s/\<\/body\>//gi; 2810: $usersaw=~s/\<html\>//gi; 2811: $usersaw=~s/\<\/html\>//gi; 2812: $usersaw=~s/\<head\>//gi; 2813: $usersaw=~s/\<\/head\>//gi; 2814: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2815: return $usersaw; 2816: } 2817: 2818: sub clear_out_html { 2819: my ($message,$override)=@_; 2820: # Always allow the <m>-tag 2821: my %html=(M=>1); 2822: # Check if more is allowed 2823: my $cid=$env{'request.course.id'}; 2824: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2825: ($override)) { 2826: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2827: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2828: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2829: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2830: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2831: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2832: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2833: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2834: } 2835: # Do the substitution of everything that is not explicitly allowed 2836: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2837: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2838: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2839: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2840: return $message; 2841: } 2842: 2843: sub assemble_email { 2844: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2845: my %lt = &Apache::lonlocal::texthash( 2846: 'prev' => 'Previous attempts of student (if applicable)', 2847: 'orig' => 'Original screen output (if applicable)', 2848: 'corr' => 'Correct Answer(s) (if applicable)', 2849: ); 2850: if (&Apache::loncommon::course_type() eq 'Community') { 2851: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2852: } 2853: my $email=<<"ENDEMAIL"; 2854: $message 2855: ENDEMAIL 2856: my $citations=<<"ENDCITE"; 2857: <h2>$lt{'prev'}</h2> 2858: $prevattempts 2859: <br /><hr /> 2860: <h2>$lt{'orig'}</h2> 2861: $usersaw 2862: <h2>$lt{'corr'}</h2> 2863: $useranswer 2864: ENDCITE 2865: return ($email,$citations); 2866: } 2867: 2868: 2869: sub feedback_available { 2870: my ($question,$course,$policy)=@_; 2871: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2872: $course,$policy); 2873: return scalar(%to); 2874: } 2875: 2876: sub send_msg { 2877: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2878: my $status=''; 2879: my $sendsomething=0; 2880: my $restitle = &get_resource_title($symb,$feedurl); 2881: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2882: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2883: foreach my $key (keys(%to)) { 2884: if ($key) { 2885: my ($user,$domain) = split(/\:/,$key,2); 2886: if (!defined($user)) { 2887: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2888: } elsif (!defined($domain)) { 2889: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2890: } else { 2891: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2892: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2893: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2894: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2895: } else { 2896: $sendsomething++; 2897: } 2898: } 2899: } 2900: } 2901: 2902: # Records of number of feedback messages are kept under the "symb" called "_feedback" 2903: # There are two entries within the framework of a course: 2904: # - the URLs for which feedback was provided 2905: # - the total number of contributions 2906: if ($sendsomething) { 2907: my %record=&getfeedbackrecords(); 2908: my ($temp)=keys(%record); 2909: unless ($temp=~/^error\:/) { 2910: my %newrecord=(); 2911: $newrecord{'resource'}=$feedurl; 2912: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2913: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2914: $status.='<br />'.&mt('Not registered').'<br />'; 2915: } 2916: } 2917: } 2918: return ($status,$sendsomething); 2919: } 2920: 2921: # Routine to get the complete feedback records 2922: 2923: sub getfeedbackrecords { 2924: my ($uname,$udom,$course)=@_; 2925: unless ($uname) { $uname=$env{'user.name'}; } 2926: unless ($udom) { $udom=$env{'user.domain'}; } 2927: unless ($course) { $course=$env{'request.course.id'}; } 2928: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname); 2929: return %record; 2930: } 2931: 2932: # Routine to get feedback statistics 2933: 2934: sub getfeedbackstats { 2935: my %record=&getfeedbackrecords(@_); 2936: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 2937: } 2938: 2939: # Store feedback credit 2940: 2941: sub storefeedbackpoints { 2942: my ($points,$uname,$udom,$course)=@_; 2943: unless ($points) { $points=0; } 2944: unless ($uname) { $uname=$env{'user.name'}; } 2945: unless ($udom) { $udom=$env{'user.domain'}; } 2946: unless ($course) { $course=$env{'request.course.id'}; } 2947: my %record=('grader_user' => $env{'user.name'}, 2948: 'grader_domain' => $env{'user.domain'}, 2949: 'points' => $points); 2950: return &Apache::lonnet::cstore(\%record,'_feedback',$course,$udom,$uname); 2951: } 2952: 2953: # Store feedback "likes" 2954: 2955: sub storefeedbacklikes { 2956: my ($likes,$uname,$udom,$course)=@_; 2957: unless ($likes) { $likes=0; } 2958: if ($likes>0) { $likes=1; } 2959: if ($likes<0) { $likes=-1; } 2960: unless ($uname) { $uname=$env{'user.name'}; } 2961: unless ($udom) { $udom=$env{'user.domain'}; } 2962: unless ($course) { $course=$env{'request.course.id'}; } 2963: my %record=&getfeedbackrecords($uname,$udom,$course); 2964: my $totallikes=$record{'totallikes'}; 2965: $totallikes+=$likes; 2966: my %newrecord=('likes_user' => $env{'user.name'}, 2967: 'likes_domain' => $env{'user.domain'}, 2968: 'likes' => $likes, 2969: 'totallikes' => $totallikes); 2970: return &Apache::lonnet::cstore(\%newrecord,'_feedback',$course,$udom,$uname); 2971: } 2972: 2973: 2974: sub adddiscuss { 2975: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2976: my $status=''; 2977: my $realsymb; 2978: if ($symb=~/^bulletin___/) { 2979: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2980: $filename=~s|^adm/wrapper/||; 2981: $realsymb=&Apache::lonnet::symbread($filename); 2982: } 2983: my ($cnum,$cdom); 2984: if ($env{'request.course.id'}) { 2985: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2986: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2987: } 2988: if (&discussion_open(undef,$realsymb) && 2989: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2990: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2991: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2992: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2993: 2994: my %contrib=('message' => $email, 2995: 'sendername' => $env{'user.name'}, 2996: 'senderdomain' => $env{'user.domain'}, 2997: 'screenname' => $env{'environment.screenname'}, 2998: 'plainname' => $env{'environment.firstname'}.' '. 2999: $env{'environment.middlename'}.' '. 3000: $env{'environment.lastname'}.' '. 3001: $env{'enrironment.generation'}, 3002: 'attachmenturl'=> $attachmenturl, 3003: 'subject' => $subject); 3004: if ($env{'form.replydisc'}) { 3005: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 3006: } 3007: if ($anon) { 3008: $contrib{'anonymous'}='true'; 3009: } 3010: if (($symb) && ($email)) { 3011: my $now = time; 3012: if ($env{'form.editdisc'}) { 3013: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 3014: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 3015: $contrib{'timestamp'} = $now; 3016: $contrib{'history'} = ''; 3017: my $numoldver = 0; 3018: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 3019: &Apache::lonenc::check_decrypt(\$oldsymb); 3020: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3021: # get timestamp for last post and history 3022: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 3023: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3024: $env{'course.'.$env{'request.course.id'}.'.num'}); 3025: if (defined($oldcontrib{$oldidx.':replyto'})) { 3026: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 3027: } 3028: if (defined($oldcontrib{$oldidx.':history'})) { 3029: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 3030: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 3031: $numoldver = @oldversions; 3032: } else { 3033: $numoldver = 1; 3034: } 3035: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 3036: } 3037: my $numnewver = $numoldver + 1; 3038: if (defined($oldcontrib{$oldidx.':subject'})) { 3039: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 3040: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3041: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 3042: } else { 3043: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3044: } 3045: } 3046: if (defined($oldcontrib{$oldidx.':message'})) { 3047: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 3048: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3049: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 3050: } else { 3051: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3052: } 3053: } 3054: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 3055: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 3056: $oldsymb,$oldidx,\%contrib, 3057: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3058: $env{'course.'.$env{'request.course.id'}.'.num'}); 3059: $status='Editing class discussion'.($anon?' (anonymous)':''); 3060: } else { 3061: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 3062: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 3063: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3064: $env{'course.'.$env{'request.course.id'}.'.num'}); 3065: } 3066: my %storenewentry=($symb => $now); 3067: $status.='<br />'.&mt('Updating discussion time').': '. 3068: &Apache::lonnet::put('discussiontimes',\%storenewentry, 3069: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3070: $env{'course.'.$env{'request.course.id'}.'.num'}); 3071: } 3072: my %record=&getdiscussionrecords(); 3073: my ($temp)=keys(%record); 3074: unless ($temp=~/^error\:/) { 3075: my %newrecord=(); 3076: $newrecord{'resource'}=$symb; 3077: $newrecord{'subnumber'}=$record{'subnumber'}+1; 3078: $status.='<br />'.&mt('Registering').': '. 3079: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3080: &updatekarma(); 3081: } 3082: } else { 3083: $status.='Failed.'; 3084: } 3085: return $status.'<br />'; 3086: } 3087: 3088: 3089: # Routine to get the complete discussion records 3090: 3091: sub getdiscussionrecords { 3092: my ($uname,$udom,$course)=@_; 3093: unless ($uname) { $uname=$env{'user.name'}; } 3094: unless ($udom) { $udom=$env{'user.domain'}; } 3095: unless ($course) { $course=$env{'request.course.id'}; } 3096: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname); 3097: return %record; 3098: } 3099: 3100: # Routine to get discussion statistics 3101: 3102: sub getdiscussionstats { 3103: my %record=&getdiscussionrecords(@_); 3104: return ($record{'subnumber'},$record{'points'},$record{'totallikes'},$record{'totalvotes'}); 3105: } 3106: 3107: # Calculate discussion karma 3108: 3109: sub calcdiscussionkarma { 3110: my ($subs,$pts,$likes,$votes)=&getdiscussionstats(@_); 3111: my $karma=0; 3112: if ($votes>0) { 3113: $karma=int(.1+5.*(1.-exp(-$subs/10.))*$likes/$votes); 3114: if ($karma<0) { $karma=0; } 3115: if ($karma>5) { $karma=5; } 3116: } 3117: return $karma; 3118: } 3119: 3120: # Update karma 3121: 3122: sub updatekarma { 3123: my ($uname,$udom,$course)=@_; 3124: unless ($uname) { $uname=$env{'user.name'}; } 3125: unless ($udom) { $udom=$env{'user.domain'}; } 3126: unless ($course) { $course=$env{'request.course.id'}; } 3127: my $karma=&calcdiscussionkarma($uname,$udom,$course); 3128: &Apache::lonnet::cstore({ 'karma' => $karma },'_discussion',$course,$udom,$uname); 3129: &Apache::lonnet::do_cache_new('karma',$uname.':'.$udom.':'.$course,$karma,3600); 3130: return $karma; 3131: } 3132: 3133: # Retrieve karma 3134: 3135: sub userkarma { 3136: my ($uname,$udom,$course)=@_; 3137: unless ($uname) { $uname=$env{'user.name'}; } 3138: unless ($udom) { $udom=$env{'user.domain'}; } 3139: unless ($course) { $course=$env{'request.course.id'}; } 3140: my $hashkey=$uname.':'.$udom.':'.$course; 3141: my ($karma,$cached)=&Apache::lonnet::is_cached_new('karma',$hashkey); 3142: if ($cached) { 3143: return $karma; 3144: } 3145: my %userdisc=&getdiscussionrecords($uname,$udom,$course); 3146: $karma=$userdisc{'karma'}; 3147: &Apache::lonnet::do_cache_new('karma',$hashkey,$karma,3600); 3148: return $karma; 3149: } 3150: 3151: # Store discussion credit 3152: 3153: sub storediscussionpoints { 3154: my ($points,$uname,$udom,$course)=@_; 3155: unless ($points) { $points=0; } 3156: unless ($uname) { $uname=$env{'user.name'}; } 3157: unless ($udom) { $udom=$env{'user.domain'}; } 3158: unless ($course) { $course=$env{'request.course.id'}; } 3159: my %record=('grader_user' => $env{'user.name'}, 3160: 'grader_domain' => $env{'user.domain'}, 3161: 'points' => $points); 3162: return &Apache::lonnet::cstore(\%record,'_discussion',$course,$udom,$uname); 3163: } 3164: 3165: # Store discussion "likes" 3166: 3167: sub storediscussionlikes { 3168: my ($likes,$uname,$udom,$course)=@_; 3169: unless ($likes) { $likes=0; } 3170: if ($likes>0) { $likes=1; } 3171: if ($likes<0) { $likes=-1; } 3172: unless ($uname) { $uname=$env{'user.name'}; } 3173: unless ($udom) { $udom=$env{'user.domain'}; } 3174: unless ($course) { $course=$env{'request.course.id'}; } 3175: my %record=&getdiscussionrecords($uname,$udom,$course); 3176: my $totallikes=$record{'totallikes'}; 3177: my $totalvotes=$record{'totalvotes'}; 3178: $totallikes+=$likes; 3179: $totalvotes++; 3180: my %newrecord=('likes_user' => $env{'user.name'}, 3181: 'likes_domain' => $env{'user.domain'}, 3182: 'likes' => $likes, 3183: 'totallikes' => $totallikes, 3184: 'totalvotes' => $totalvotes); 3185: my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname); 3186: if ($status eq 'ok') { 3187: &updatekarma($uname,$udom,$course); 3188: } 3189: return $status; 3190: } 3191: 3192: sub get_discussion_info { 3193: my ($idx,%contrib) = @_; 3194: my $changelast = 0; 3195: my $count = 0; 3196: my $hiddenflag = 0; 3197: my $deletedflag = 0; 3198: my ($hidden,$deleted,%info,$newlastdisc); 3199: my $version = $contrib{'version'}; 3200: if ($version) { 3201: for (my $id=$version; $id>0; $id--) { 3202: my $vkeys=$contrib{$id.':keys'}; 3203: my @keys=split(/:/,$vkeys); 3204: if (grep(/^hidden$/,@keys)) { 3205: if (!$hiddenflag) { 3206: $hidden = $contrib{$id.':hidden'}; 3207: $hiddenflag = 1; 3208: } 3209: } elsif (grep(/^deleted$/,@keys)) { 3210: if (!$deletedflag) { 3211: $deleted = $contrib{$id.':deleted'}; 3212: $deletedflag = 1; 3213: } 3214: } else { 3215: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 3216: $count++; 3217: $info{$count}{'id'} = $id; 3218: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 3219: } 3220: } 3221: } 3222: if ($info{'1'}{'id'} == $idx) { 3223: $changelast = 1; 3224: if ($count > 1) { 3225: $newlastdisc = $info{'2'}{'timestamp'}; 3226: } else { 3227: $newlastdisc = 0; 3228: } 3229: } 3230: } 3231: return ($changelast,$newlastdisc); 3232: } 3233: 3234: # ----------------------------------------------------------- Preview function 3235: 3236: sub show_preview { 3237: my ($r) = @_; 3238: &Apache::loncommon::content_type($r,'text/html'); 3239: $r->send_http_header; 3240: my $start_page= 3241: &Apache::loncommon::start_page('Preview',undef, 3242: {'only_body' => 1,}); 3243: 3244: my $message=&clear_out_html($env{'form.comment'}); 3245: &newline_to_br(\$message); 3246: $message=&Apache::lonspeller::markeduptext($message); 3247: $message=&Apache::lontexconvert::msgtexconverted($message); 3248: my $subject=&clear_out_html($env{'form.subject'}); 3249: $subject=~s/\n/\<br \/\>/g; 3250: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3251: 3252: my $end_page = &Apache::loncommon::end_page(); 3253: 3254: $r->print($start_page 3255: .'<h1>'.&mt('Preview').'</h1>' 3256: .&Apache::lonhtmlcommon::start_pick_box() 3257: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3258: .$subject 3259: .&Apache::lonhtmlcommon::row_closure() 3260: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3261: .$message 3262: .&Apache::lonhtmlcommon::row_closure(1) 3263: .&Apache::lonhtmlcommon::end_pick_box() 3264: .$end_page 3265: ); 3266: } 3267: 3268: sub contains_block_html { 3269: my ($message)=@_; 3270: return ($message =~ m{ 3271: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3272: \s* 3273: (\w+\=['"]\w+['"])* 3274: \s* 3275: ( 3276: \s*/>| 3277: >.*</\1\s*> 3278: )}xs 3279: ); 3280: } 3281: 3282: sub tidy_html { 3283: my ($message)=@_; 3284: # my $tidy = HTML::Tidy::libXML->new(); 3285: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3286: # $xhtml =~ m/<body>(.*)<\/body>/is; 3287: # my $clean = $1; 3288: # # remove any empty block-level tags 3289: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3290: # $message=$clean; 3291: return $message; 3292: } 3293: 3294: sub newline_to_br { 3295: my ($message)=@_; 3296: my $newmessage; 3297: my $parser=HTML::LCParser->new($message); 3298: while (my $token=$parser->get_token()) { 3299: if ($token->[0] eq 'T') { 3300: my $text=$token->[1]; 3301: $text=~s/\n/\<br \/\>/g; 3302: $newmessage.=$text; 3303: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3304: $newmessage.=$token->[1]; 3305: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3306: $newmessage.=$token->[2]; 3307: } elsif ($token->[0] eq 'S') { 3308: $newmessage.=$token->[4]; 3309: } 3310: 3311: } 3312: $$message=$newmessage; 3313: } 3314: 3315: sub generate_preview_button { 3316: my ($formname,$fieldname)=@_; 3317: unless ($formname) { $formname='mailform'; } 3318: unless ($fieldname) { $fieldname='comment'; } 3319: my $pre=&mt("Show Preview and Check Spelling"); 3320: return(<<ENDPREVIEW); 3321: <br /> 3322: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3323: <input type="hidden" name="subject" /> 3324: <input type="hidden" name="comment" /> 3325: <input type="button" value="$pre" 3326: 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();" /> 3327: </form> 3328: ENDPREVIEW 3329: } 3330: 3331: sub modify_attachments { 3332: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3333: $attachmaxtext,$toolarge)=@_; 3334: 3335: my %lt = &Apache::lonlocal::texthash( 3336: 'subj' => 'Subject', 3337: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3338: 'chth' => 'Check the checkboxes for any you wish to remove.', 3339: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3340: 'adda' => 'Add a new attachment to this post.', 3341: 'stch' => 'Save Changes', 3342: ); 3343: my $js = <<END; 3344: <script type="text/javascript"> 3345: function setAction () { 3346: document.modattachments.action = document.modattachments.origpage.value; 3347: document.modattachments.submit(); 3348: } 3349: </script> 3350: END 3351: 3352: # Breadcrumbs 3353: my $brcrum = [{'href' => '', 3354: 'text' => 'Discussion Post Attachments'}]; 3355: my %parms=(); 3356: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3357: 3358: my $start_page = 3359: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3360: 3361: my $orig_subject = &unescape($env{'form.subject'}); 3362: my $subject=&clear_out_html($orig_subject); 3363: $subject=~s/\n/\<br \/\>/g; 3364: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3365: my $timestamp=$env{'form.timestamp'}; 3366: my $numoldver=$env{'form.numoldver'}; 3367: 3368: my $msg = ''; 3369: my %attachments = (); 3370: my %currattach = (); 3371: if ($idx) { 3372: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3373: } 3374: &Apache::lonenc::check_encrypt(\$symb); 3375: 3376: my $end_page = 3377: &Apache::loncommon::end_page(); 3378: 3379: $r->print(<<END); 3380: $start_page 3381: $toolarge 3382: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3383: <br /> 3384: <table class="LC_data_table"> 3385: <tr> 3386: <td colspan="2"> 3387: <b>Subject:</b> <b>$subject</b><br /><br /> 3388: END 3389: if ($idx) { 3390: if ($attachmenturls) { 3391: my @currold = keys(%currattach); 3392: if (@currold > 0) { 3393: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3394: foreach my $id (@currold) { 3395: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3396: $attachurl =~ m#/([^/]+)$#; 3397: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3398: } 3399: $r->print("<br />"); 3400: } 3401: } 3402: } 3403: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3404: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3405: foreach my $attach (@{$currnewattach}) { 3406: $attach =~ m#/([^/]+)$#; 3407: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3408: } 3409: $r->print("<br />"); 3410: } 3411: $r->print(<<END); 3412: </td></tr> 3413: <tr> 3414: <td> 3415: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3416: </td> 3417: </tr> 3418: <tr> 3419: <td colspan="2">$attachmaxtext</td> 3420: </tr> 3421: </table> 3422: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3423: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3424: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3425: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3426: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3427: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3428: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3429: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3430: END 3431: foreach my $item (@{$currnewattach}) { 3432: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3433: } 3434: foreach my $item (@{$currdelold}) { 3435: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3436: } 3437: $r->print(<<END); 3438: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3439: </form> 3440: $end_page 3441: END 3442: return; 3443: } 3444: 3445: sub process_attachments { 3446: my ($currnewattach,$currdelold,$keepold) = @_; 3447: 3448: @{$currnewattach}= 3449: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3450: @{$currdelold}= 3451: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3452: if (exists($env{'form.delnewattach'})) { 3453: my @currdelnew = 3454: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3455: my @currnew = (); 3456: foreach my $newone (@{$currnewattach}) { 3457: my $delflag = 0; 3458: foreach my $item (@currdelnew) { 3459: if ($newone eq $item) { 3460: $delflag = 1; 3461: last; 3462: } 3463: } 3464: unless ($delflag) { 3465: push(@currnew, $newone); 3466: } 3467: } 3468: @{$currnewattach} = @currnew; 3469: } 3470: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3471: } 3472: 3473: sub generate_attachments_button { 3474: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3475: $numoldver,$mode,$blockblog) = @_; 3476: my $origpage = $ENV{'REQUEST_URI'}; 3477: my %lt = &Apache::lonlocal::texthash( 3478: 'clic' => 'Add/remove attachments', 3479: ); 3480: my $response = (<<END); 3481: <br /> 3482: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3483: <input type="button" value="$lt{'clic'}" 3484: 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); 3485: END 3486: if (!$blockblog) { 3487: $response .= 'setblogvalue();'; 3488: } 3489: unless ($mode eq 'board') { 3490: $response .= 'javascript:anonchk();'; 3491: } 3492: $response .= (<<ENDATTACH); 3493: this.form.submit();" /> 3494: <input type="hidden" name="origpage" value="$origpage" /> 3495: <input type="hidden" name="idx" value="$idx" /> 3496: <input type="hidden" name="timestamp" value="$now" /> 3497: <input type="hidden" name="subject" /> 3498: <input type="hidden" name="comment" /> 3499: <input type="hidden" name="blog" value="0" /> 3500: <input type="hidden" name="discuss" value="0" /> 3501: <input type="hidden" name="numoldver" value="$numoldver" /> 3502: ENDATTACH 3503: if (defined($deloldattach)) { 3504: if (@{$deloldattach} > 0) { 3505: foreach my $delatt (@{$deloldattach}) { 3506: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3507: } 3508: } 3509: } 3510: if (defined($currnewattach)) { 3511: if (@{$currnewattach} > 0) { 3512: foreach my $attach (@{$currnewattach}) { 3513: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3514: } 3515: } 3516: } 3517: $response .= '</form>'; 3518: return $response; 3519: } 3520: 3521: sub extract_attachments { 3522: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3523: %{$attachments}=(); 3524: &get_post_attachments($attachments,$attachmenturls); 3525: foreach my $id (sort(keys(%{$attachments}))) { 3526: if (exists($$attachments{$id}{$numoldver})) { 3527: if (defined($currdelold)) { 3528: if (@{$currdelold} > 0) { 3529: unless (grep/^$id$/,@{$currdelold}) { 3530: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3531: } 3532: } else { 3533: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3534: } 3535: } else { 3536: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3537: } 3538: } 3539: } 3540: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3541: if (@attached == 1) { 3542: my $id = $attached[0]; 3543: my $attachurl; 3544: if ($attachmenturls =~ m/^<attachment id="0">/) { 3545: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3546: } else { 3547: $attachurl = $$attachments{$id}{'filename'}; 3548: } 3549: $attachurl=~m|/([^/]+)$|; 3550: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3551: $1.'</tt></a><br />'; 3552: &Apache::lonnet::allowuploaded('/adm/feedback', 3553: $attachurl); 3554: } elsif (@attached > 1) { 3555: $$message.='<ol>'; 3556: foreach my $attach (@attached) { 3557: my $id = $attach; 3558: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3559: my ($fname) 3560: =($attachurl=~m|/([^/]+)$|); 3561: $$message .= '<li><a href="'.$attachurl. 3562: '"><tt>'. 3563: $fname.'</tt></a></li>'; 3564: &Apache::lonnet::allowuploaded('/adm/feedback', 3565: $attachurl); 3566: } 3567: $$message .= '</ol>'; 3568: } 3569: } 3570: 3571: sub construct_attachmenturl { 3572: my ($currnewattach,$keepold,$symb,$idx)=@_; 3573: my $oldattachmenturl; 3574: my $newattachmenturl; 3575: my $startnum = 0; 3576: my $currver = 0; 3577: if (($env{'form.editdisc'}) && ($idx)) { 3578: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3579: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3580: $env{'course.'.$env{'request.course.id'}.'.num'}); 3581: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3582: if ($contrib{$idx.':history'}) { 3583: if ($contrib{$idx.':history'} =~ /:/) { 3584: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3585: $currver = 1 + scalar(@oldversions); 3586: } else { 3587: $currver = 2; 3588: } 3589: } else { 3590: $currver = 1; 3591: } 3592: if ($oldattachmenturl) { 3593: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3594: my %attachments = (); 3595: my $prevver = $currver-1; 3596: &get_post_attachments(\%attachments,$oldattachmenturl); 3597: my $numattach = scalar(keys(%attachments)); 3598: $startnum += $numattach; 3599: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3600: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3601: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3602: unless ($item eq 'filename') { 3603: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3604: } 3605: } 3606: if (grep/^$num$/,@{$keepold}) { 3607: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3608: } 3609: $newattachmenturl .= '</attachment>'; 3610: } 3611: } else { 3612: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3613: unless (grep/^0$/,@{$keepold}) { 3614: $newattachmenturl .= '<post id="1">n</post>'; 3615: } 3616: $newattachmenturl .= '</attachment>'; 3617: $startnum ++; 3618: } 3619: } 3620: } 3621: for (my $i=0; $i<@{$currnewattach}; $i++) { 3622: my $attachnum = $startnum + $i; 3623: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3624: } 3625: return $newattachmenturl; 3626: } 3627: 3628: sub add_blog_checkbox { 3629: my ($crstype) = @_; 3630: my $checkstatus; 3631: if ($env{'form.blog'}) { 3632: $checkstatus = 'checked="checked"'; 3633: } 3634: my $output = ' 3635: <script type="text/javascript"> 3636: function setblogvalue() { 3637: if (document.mailform.blog.checked) { 3638: document.attachment.blog.value = 1; 3639: } else { 3640: document.attachment.blog.value = 0; 3641: } 3642: } 3643: </script><br /> 3644: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3645: if ($crstype eq 'Community') { 3646: $output .= &mt('Add to my public community blog'); 3647: } else { 3648: $output .= &mt('Add to my public course blog'); 3649: } 3650: $output .= '</label><br />'."\n"; 3651: return $output; 3652: } 3653: 3654: sub has_discussion { 3655: my $resourcesref = shift; 3656: my $navmap = Apache::lonnavmaps::navmap->new(); 3657: if (defined($navmap)) { 3658: my @allres=$navmap->retrieveResources(); 3659: foreach my $resource (@allres) { 3660: if ($resource->hasDiscussion()) { 3661: my $ressymb = $resource->wrap_symb(); 3662: if (ref($resourcesref) eq 'ARRAY') { 3663: push(@{$resourcesref}, $ressymb); 3664: } 3665: } 3666: } 3667: } else { 3668: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3669: } 3670: return; 3671: } 3672: 3673: sub sort_filter_names { 3674: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3675: if (ref($sort_types) eq 'HASH') { 3676: %{$sort_types} = ( 3677: ascdate => 'Date order - oldest first', 3678: descdate => 'Date order - newest first', 3679: thread => 'Threaded', 3680: subject => 'By subject', 3681: username => 'By domain and username', 3682: lastfirst => 'By last name, first name' 3683: ); 3684: } 3685: my @courseroles = qw(st in ta ep ad); 3686: if ($crstype eq 'Community') { 3687: push(@courseroles,'co'); 3688: } else { 3689: push(@courseroles,'cc'); 3690: } 3691: if (ref($role_types) eq 'HASH') { 3692: foreach my $role (@courseroles) { 3693: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3694: } 3695: $role_types->{'all'} = 'All roles'; 3696: $role_types->{'cr'} = 'Custom role'; 3697: } 3698: if (ref($status_types) eq 'HASH') { 3699: %{$status_types} = ( 3700: all => 'Roles of any status', 3701: Active => 'Only active roles', 3702: Expired => 'Only past roles', 3703: Future => 'Only future roles', 3704: ); 3705: } 3706: } 3707: 3708: sub handler { 3709: my $r = shift; 3710: if ($r->header_only) { 3711: &Apache::loncommon::content_type($r,'text/html'); 3712: $r->send_http_header; 3713: return OK; 3714: } 3715: 3716: # --------------------------- Get query string for limited number of parameters 3717: 3718: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3719: ['like','unlike','modal','hide','unhide','deldisc','undeleteall','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']); 3720: my $group = $env{'form.group'}; 3721: my %attachmax = ( 3722: text => &mt('(128 KB max size)'), 3723: num => 131072, 3724: ); 3725: if ($env{'form.editdisc'}) { 3726: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3727: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3728: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3729: my $feedurl=&Apache::lonnet::clutter($url); 3730: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3731: undef,undef,undef,$group); 3732: return OK; 3733: } 3734: } 3735: if ($env{'form.discsymb'}) { 3736: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3737: my $readkey = $symb.'_read'; 3738: my $chgcount = 0; 3739: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3740: foreach my $key (keys(%env)) { 3741: if ($key =~ m/^form\.postunread_(\d+)/) { 3742: if ($readinghash{$readkey} =~ /\.$1\./) { 3743: $readinghash{$readkey} =~ s/\.$1\.//; 3744: $chgcount ++; 3745: } 3746: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3747: unless ($readinghash{$readkey} =~ /\.$1\./) { 3748: $readinghash{$readkey} .= '.'.$1.'.'; 3749: $chgcount ++; 3750: } 3751: } 3752: } 3753: if ($chgcount > 0) { 3754: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3755: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3756: } 3757: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3758: '0','0','','',$env{'form.previous'},'','','', 3759: undef,undef,undef,$group); 3760: return OK; 3761: } 3762: if ($env{'form.allversions'}) { 3763: &Apache::loncommon::content_type($r,'text/html'); 3764: &Apache::loncommon::no_cache($r); 3765: $r->send_http_header; 3766: 3767: # Breadcrumbs 3768: my $brcrum = [{'href' => '', 3769: 'text' => 'Discussion Post Versions'}]; 3770: 3771: my %parms=(); 3772: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3773: 3774: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3775: 3776: my $crs='/'.$env{'request.course.id'}; 3777: if ($env{'request.course.sec'}) { 3778: $crs.='_'.$env{'request.course.sec'}; 3779: } 3780: $crs=~s|_|/|g; 3781: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3782: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3783: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3784: ($symb)=&get_feedurl_and_clean_symb($symb); 3785: my $ressymb = &wrap_symb($symb); 3786: my $group = $env{'form.group'}; 3787: my $seeid; 3788: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3789: if (&check_group_priv($group,'dgp') eq 'ok') { 3790: $seeid = 1; 3791: } 3792: } else { 3793: $seeid = &Apache::lonnet::allowed('rin',$crs); 3794: } 3795: if ($idx > 0) { 3796: my %messages = (); 3797: my %subjects = (); 3798: my %attachmsgs = (); 3799: my %allattachments = (); 3800: my %imsfiles = (); 3801: my ($screenname,$plainname); 3802: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3803: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3804: $env{'course.'.$env{'request.course.id'}.'.num'}); 3805: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3806: } 3807: $r->print(&Apache::loncommon::end_page()); 3808: return OK; 3809: } 3810: if ($env{'form.posterlist'}) { 3811: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3812: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3813: $env{'form.sortposts'}); 3814: return OK; 3815: } 3816: if ($env{'form.userpick'}) { 3817: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3818: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3819: my $numpicks = @posters; 3820: my %discinfo; 3821: $discinfo{$symb.'_userpick'} = join('&',@posters); 3822: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3823: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3824: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3825: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3826: '',$numpicks,$group); 3827: return OK; 3828: } 3829: if ($env{'form.applysort'}) { 3830: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3831: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3832: '',$env{'form.previous'},$env{'form.sortposts'}, 3833: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3834: $env{'form.sectionpick'},$env{'form.grouppick'}, 3835: undef,$group); 3836: return OK; 3837: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3838: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3839: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3840: return OK; 3841: } elsif ($env{'form.navtime'}) { 3842: my %discinfo = (); 3843: my @resources = (); 3844: if (defined($env{'form.navmaps'})) { 3845: if ($env{'form.navmaps'} =~ /:/) { 3846: @resources = split(/:/,$env{'form.navmaps'}); 3847: } else { 3848: @resources = ("$env{'form.navmaps'}"); 3849: } 3850: } else { 3851: &has_discussion(\@resources); 3852: } 3853: my $numitems = @resources; 3854: my $feedurl = '/adm/navmaps'; 3855: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3856: my %lt = &Apache::lonlocal::texthash( 3857: 'mnpa' => 'Marked "New" posts as read in a total of', 3858: 'robb' => 'resources/bulletin boards.', 3859: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3860: ); 3861: foreach my $res (@resources) { 3862: my $ressymb=$res; 3863: &Apache::lonenc::check_decrypt(\$ressymb); 3864: my $lastkey = $ressymb.'_lastread'; 3865: $discinfo{$lastkey} = $env{'form.navtime'}; 3866: } 3867: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3868: if ($numitems > 0) { 3869: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3870: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3871: } else { 3872: $textline = "<b>$lt{'twnp'}</b>"; 3873: } 3874: &Apache::loncommon::content_type($r,'text/html'); 3875: $r->send_http_header; 3876: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3877: my %onload; 3878: 3879: my $start_page= 3880: &Apache::loncommon::start_page('New posts marked as read',undef, 3881: {'redirect' => [2,$feedurl], 3882: 'only_body' => 1, 3883: 'add_entries' => \%onload}); 3884: my $end_page = &Apache::loncommon::end_page(); 3885: $r->print (<<ENDREDIR); 3886: $start_page 3887: <img align="right" src="$logo" /> 3888: $textline 3889: <form name="reldt" action="$feedurl" target="loncapaclient"> 3890: </form> 3891: <br /> 3892: $end_page 3893: ENDREDIR 3894: return OK; 3895: } elsif ($env{'form.modifydisp'}) { 3896: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3897: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3898: split(/_/,$env{'form.changes'}); 3899: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3900: $dispchgB,$markchg,$toggchg,$feedurl); 3901: return OK; 3902: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3903: $env{'form.allposts'} || $env{'form.onlyunread'} || 3904: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3905: $env{'form.toggon'} || $env{'form.markread'}) { 3906: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3907: my %discinfo; 3908: # ------------------------ Modify setting for read/unread toggle for each post 3909: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3910: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3911: # --------- Modify setting for identification of 'NEW' posts in this discussion 3912: if ($env{'form.markondisp'}) { 3913: $discinfo{$symb.'_lastread'} = time; 3914: $discinfo{$symb.'_markondisp'} = 1; 3915: } 3916: if ($env{'form.markonread'}) { 3917: if ( $env{'form.previous'} > 0 ) { 3918: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3919: } 3920: $discinfo{$symb.'_markondisp'} = 0; 3921: } 3922: # --------------------------------- Modify display setting for this discussion 3923: if ($env{'form.allposts'}) { 3924: $discinfo{$symb.'_showonlyunread'} = 0; 3925: $discinfo{$symb.'_showonlyunmark'} = 0; 3926: } 3927: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3928: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3929: # ----------------------------------------------------- Mark new posts not NEW 3930: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3931: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3932: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3933: my $previous=$env{'form.previous'}; 3934: if ($env{'form.markondisp'}) { $previous=undef; } 3935: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3936: '0','0','','',$previous,'','','','','','',$group); 3937: return OK; 3938: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3939: # ----------------------------------------------------------------- Hide/unhide 3940: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3941: my ($symb,$idx)=split(/\:\:\:/,$entry); 3942: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3943: 3944: my $crs='/'.$env{'request.course.id'}; 3945: if ($env{'request.course.sec'}) { 3946: $crs.='_'.$env{'request.course.sec'}; 3947: } 3948: $crs=~s/\_/\//g; 3949: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3950: 3951: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3952: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3953: undef,undef,$group,); 3954: return OK; 3955: } 3956: 3957: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3958: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3959: $env{'course.'.$env{'request.course.id'}.'.num'}); 3960: 3961: my $currenthidden=$contrib{'hidden'}; 3962: my $currentstudenthidden=$contrib{'studenthidden'}; 3963: 3964: if ($env{'form.hide'}) { 3965: $currenthidden.='.'.$idx.'.'; 3966: unless ($seeid) { 3967: $currentstudenthidden.='.'.$idx.'.'; 3968: } 3969: } else { 3970: $currenthidden=~s/\.$idx\.//g; 3971: } 3972: my %newhash=('hidden' => $currenthidden); 3973: if ( ($env{'form.hide'}) && (!$seeid) ) { 3974: $newhash{'studenthidden'} = $currentstudenthidden; 3975: } 3976: if ($env{'form.hide'}) { 3977: my $changelast = 0; 3978: my $newlast; 3979: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3980: if ($changelast) { 3981: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3982: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3983: $env{'course.'.$env{'request.course.id'}.'.num'}); 3984: } 3985: } 3986: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3987: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3988: $env{'course.'.$env{'request.course.id'}.'.num'}); 3989: 3990: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3991: '0','0','','',$env{'form.previous'},undef,undef,undef, 3992: undef,undef,undef,$group); 3993: return OK; 3994: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { 3995: # ----------------------------------------------------------------- Like/unlike 3996: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; 3997: my ($symb,$idx)=split(/\:\:\:/,$entry); 3998: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3999: # 4000: # Likes and unlikes are in db-file "disclikes" of the course 4001: # The prefix is the $symb to identify the resource discussion, 4002: # and the $idx to identify the entry 4003: # 4004: my $prefix=$symb.':'.$idx.':'; 4005: my %contrib=&Apache::lonnet::dump('disclikes', 4006: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4007: $env{'course.'.$env{'request.course.id'}.'.num'}, 4008: '^'.$prefix); 4009: # Get all who like or unlike this 4010: my $currentlikers=$contrib{$prefix.'likers'}; 4011: my $currentunlikers=$contrib{$prefix.'unlikers'}; 4012: # Get the current "likes" count 4013: my $likes=$contrib{$prefix.'likes'}; 4014: # Find out if they already voted 4015: # Users cannot like a post twice, or unlike it twice. They can change their mind, though 4016: my $alreadyflag=0; 4017: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 4018: if ($env{'form.like'}) { 4019: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 4020: $alreadyflag=1; 4021: } else { 4022: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 4023: $currentunlikers=~s/\,\Q$thisuser\E\,//g; 4024: } else { 4025: $currentlikers.=','.$thisuser.','; 4026: } 4027: $likes++; 4028: } 4029: } else { 4030: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 4031: $alreadyflag=1; 4032: } else { 4033: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 4034: $currentlikers=~s/\,\Q$thisuser\E\,//g; 4035: } else { 4036: $currentunlikers.=','.$thisuser.','; 4037: } 4038: $likes--; 4039: } 4040: } 4041: my $result; 4042: # $alreadyflag would be 1 if they tried to double-like or double-unlike 4043: unless ($alreadyflag) { 4044: my %newhash=($prefix.'likes' => $likes, 4045: $prefix.'likers' => $currentlikers, 4046: $prefix.'unlikers' => $currentunlikers); 4047: # Store data in db-file "disclikes" 4048: if (&Apache::lonnet::put('disclikes', 4049: \%newhash, 4050: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4051: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 4052: # Also store with the person who posted the liked/unliked entry 4053: if ($env{'form.like'}) { 4054: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 4055: $result=&mt("Registered 'Like'"); 4056: } else { 4057: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 4058: $result=&mt("Registered 'Unlike'"); 4059: } 4060: } else { 4061: # Oops, something went wrong 4062: $result=&mt("Failed to register vote"); 4063: } 4064: } 4065: &redirect_back($r,$feedurl,$result.'<br />', 4066: '0','0','','',$env{'form.previous'},undef,undef,undef, 4067: undef,undef,undef,$group); 4068: return OK; 4069: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 4070: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 4071: if ($env{'form.cmd'} eq 'threadedon') { 4072: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 4073: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 4074: } else { 4075: &Apache::lonnet::del('environment',['threadeddiscussion']); 4076: &Apache::lonnet::delenv('environment.threadeddiscussion'); 4077: } 4078: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 4079: '0','0','','',$env{'form.previous'},undef,undef,undef, 4080: undef,undef,undef,$group); 4081: return OK; 4082: } elsif ($env{'form.deldisc'}) { 4083: # --------------------------------------------------------------- Hide for good 4084: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 4085: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 4086: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4087: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4088: $env{'course.'.$env{'request.course.id'}.'.num'}); 4089: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 4090: if ($changelast) { 4091: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 4092: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 4093: } 4094: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 4095: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 4096: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4097: $env{'course.'.$env{'request.course.id'}.'.num'}); 4098: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 4099: '0','0','','',$env{'form.previous'},undef,undef,undef, 4100: undef,undef,undef,$group); 4101: return OK; 4102: } elsif ($env{'form.preview'}) { 4103: # -------------------------------------------------------- User wants a preview 4104: &show_preview($r); 4105: return OK; 4106: } elsif ($env{'form.attach'}) { 4107: # -------------------------------------------------------- Work on attachments 4108: &Apache::loncommon::content_type($r,'text/html'); 4109: $r->send_http_header; 4110: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 4111: my (@currnewattach,@currdelold,@keepold,$toolarge); 4112: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 4113: if (exists($env{'form.addnewattach.filename'})) { 4114: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 4115: my $subdir = 'feedback/'.$env{'form.timestamp'}; 4116: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 4117: push(@currnewattach, $newattachment); 4118: } else { 4119: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4120: } 4121: } 4122: my $attachmenturls; 4123: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 4124: my $idx = $env{'form.idx'}; 4125: if ($idx) { 4126: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4127: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4128: $env{'course.'.$env{'request.course.id'}.'.num'}); 4129: $attachmenturls = $contrib{$idx.':attachmenturl'}; 4130: } 4131: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 4132: $attachmenturls,$attachmax{'text'},$toolarge); 4133: return OK; 4134: } elsif ($env{'form.export'}) { 4135: &Apache::loncommon::content_type($r,'text/html'); 4136: $r->send_http_header; 4137: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 4138: my $mode='board'; 4139: my $status='OPEN'; 4140: my $previous=$env{'form.previous'}; 4141: if ($feedurl =~ /$LONCAPA::assess_re/) { 4142: $mode='problem'; 4143: $status=$Apache::inputtags::status[-1]; 4144: } 4145: my $discussion = &list_discussion($mode,$status,$symb); 4146: my $start_page = 4147: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 4148: my $end_page = 4149: &Apache::loncommon::end_page(); 4150: $r->print($start_page.$discussion.$end_page); 4151: return OK; 4152: 4153: } elsif ($env{'form.undeleteall'}) { 4154: &Apache::loncommon::content_type($r,'text/html'); 4155: $r->send_http_header; 4156: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.undeleteall'}); 4157: $r->print(&Apache::loncommon::start_page('Undelete all deleted discussion entries')); 4158: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) { 4159: if (&Apache::lonnet::store({'deleted' => ''},$symb,$env{'request.course.id'}, 4160: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4161: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 4162: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries"))); 4163: } else { 4164: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1)); 4165: } 4166: $r->print("<br /><a href='$feedurl'>".&mt("Return and reload")."</a>"); 4167: } 4168: $r->print(&Apache::loncommon::end_page()); 4169: return OK; 4170: } else { 4171: # ------------------------------------------------------------- Normal feedback 4172: my $feedurl=$env{'form.postdata'}; 4173: $feedurl=~s/^https?\:\/\///; 4174: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 4175: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 4176: $feedurl=~s/\?.+$//; 4177: 4178: my $symb; 4179: if ($env{'form.replydisc'}) { 4180: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 4181: } elsif ($env{'form.editdisc'}) { 4182: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 4183: } elsif ($env{'form.origpage'}) { 4184: $symb=""; 4185: } elsif ($env{'form.sendmessageonly'}) { 4186: $symb=(split(/\:\:\:/,$env{'form.sendmessageonly'}))[0]; 4187: } else { 4188: $symb=&Apache::lonnet::symbread($feedurl); 4189: } 4190: unless ($symb) { 4191: $symb=$env{'form.symb'}; 4192: } 4193: if (defined($symb)) { 4194: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 4195: } else { 4196: # backward compatibility (bulletin boards used to be 'wrapped') 4197: &Apache::lonenc::check_decrypt(\$feedurl); 4198: &dewrapper(\$feedurl); 4199: } 4200: my $goahead=1; 4201: if ($feedurl=~/$LONCAPA::assess_re/) { 4202: unless ($symb) { $goahead=0; } 4203: } 4204: if (!$goahead) { 4205: # Ambiguous Problem Resource 4206: $r->internal_redirect('/adm/ambiguous'); 4207: return OK; 4208: } 4209: # Go ahead with feedback, no ambiguous reference 4210: unless ( 4211: ( 4212: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 4213: ) 4214: || 4215: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 4216: || 4217: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 4218: ) { 4219: &Apache::loncommon::content_type($r,'text/html'); 4220: $r->send_http_header; 4221: # Unable to give feedback 4222: &Apache::lonenc::check_encrypt(\$feedurl); 4223: &no_redirect_back($r,$feedurl); 4224: return OK; 4225: } 4226: # --------------------------------------------------- Print login screen header 4227: unless ($env{'form.sendit'}) { 4228: &Apache::lonenc::check_encrypt(\$feedurl); 4229: &Apache::loncommon::content_type($r,'text/html'); 4230: $r->send_http_header; 4231: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 4232: my ($blocked,$blocktext) = 4233: &Apache::loncommon::blocking_status('boards'); 4234: if ($blocked) { 4235: $r->print(&blocked_reply_or_edit($blocktext)); 4236: return OK; 4237: } 4238: } 4239: my $options=&screen_header($feedurl,$symb,$group); 4240: if ($options) { 4241: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 4242: } else { 4243: &fail_redirect($r,$feedurl); 4244: } 4245: return OK; 4246: } 4247: 4248: # Get previous user input 4249: my $prevattempts=&Apache::loncommon::get_previous_attempt( 4250: $symb,$env{'user.name'},$env{'user.domain'}, 4251: $env{'request.course.id'}); 4252: 4253: # Get output from resource 4254: &Apache::lonenc::check_encrypt(\$feedurl); 4255: my $usersaw=&resource_output($feedurl); 4256: 4257: # Get resource answer (need to allow student to view grades for this to work) 4258: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 4259: my $usersymb = &Apache::lonenc::check_encrypt($symb); 4260: my $useranswer= 4261: &Apache::loncommon::get_student_answers( 4262: $usersymb,$env{'user.name'},$env{'user.domain'}, 4263: $env{'request.course.id'}); 4264: &Apache::lonnet::delenv('allowed.vgr'); 4265: # Get attachments, if any, and not too large 4266: my $attachmenturl=''; 4267: my $toolarge=''; 4268: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 4269: ($env{'form.replydisc'})) { 4270: my ($symb,$idx); 4271: if ($env{'form.replydisc'}) { 4272: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 4273: } elsif ($env{'form.editdisc'}) { 4274: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 4275: } elsif ($env{'form.origpage'}) { 4276: $symb = $env{'form.symb'}; 4277: } 4278: &Apache::lonenc::check_decrypt(\$symb); 4279: my @currnewattach = (); 4280: my @deloldattach = (); 4281: my @keepold = (); 4282: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 4283: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 4284: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 4285: } elsif ($env{'form.attachment.filename'}) { 4286: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 4287: my $now = time; 4288: my $subdir = 'feedback/'.$now; 4289: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 4290: } else { 4291: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4292: } 4293: } 4294: # Filter HTML out of message (could be nasty) 4295: my $override; 4296: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 4297: $override = 1; 4298: } 4299: my $message=&clear_out_html($env{'form.comment'},$override); 4300: 4301: # Assemble email 4302: my ($email,$citations)=&assemble_email($message,$prevattempts, 4303: $usersaw,$useranswer); 4304: 4305: # Who gets this? 4306: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 4307: 4308: # Actually send mail 4309: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 4310: $feedurl,$email,$citations, 4311: $attachmenturl,$usersymb,%to); 4312: 4313: # Discussion? Store that. 4314: my $numpost=0; 4315: if ( ($env{'form.discuss'} ne '' 4316: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4317: || $env{'form.anondiscuss'} ne '') { 4318: my $subject = &clear_out_html($env{'form.subject'}); 4319: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4320: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4321: $subject,$group); 4322: $numpost++; 4323: } 4324: 4325: # Add to blog? 4326: 4327: my $blog=''; 4328: if ($env{'form.blog'}) { 4329: my $subject = &clear_out_html($env{'form.subject'}); 4330: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4331: $env{'user.domain'}, 4332: 'CourseBlog_'.$env{'request.course.id'}, 4333: $subject,$message,$feedurl,'public'); 4334: if (&Apache::loncommon::course_type() eq 'Community') { 4335: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4336: } else { 4337: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4338: } 4339: } 4340: 4341: # Receipt screen and redirect back to where came from 4342: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4343: } 4344: return OK; 4345: } 4346: 4347: sub blocked_reply_or_edit { 4348: my ($blocktext) = @_; 4349: return 4350: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4351: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4352: &mt('Back to previous page'). 4353: &Apache::loncommon::end_page(); 4354: } 4355: 4356: sub wrap_symb { 4357: my ($ressymb)=@_; 4358: if ($ressymb =~ /bulletin___\d+___/) { 4359: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4360: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4361: } 4362: } 4363: return $ressymb; 4364: } 4365: sub dewrapper { 4366: my ($feedurl)=@_; 4367: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4368: $$feedurl=~s|^/adm/wrapper||; 4369: } 4370: } 4371: 4372: sub get_feedurl { 4373: my ($symb)=@_; 4374: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4375: my $feedurl = &Apache::lonnet::clutter($url); 4376: &dewrapper(\$feedurl); 4377: return $feedurl; 4378: } 4379: 4380: sub get_feedurl_and_clean_symb { 4381: my ($symb)=@_; 4382: &Apache::lonenc::check_decrypt(\$symb); 4383: # backward compatibility (bulletin boards used to be 'wrapped') 4384: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4385: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4386: } 4387: my $feedurl = &get_feedurl($symb); 4388: return ($symb,$feedurl); 4389: } 4390: 4391: sub editing_allowed { 4392: my ($postid,$group) = @_; 4393: $postid = &unescape($postid); 4394: my $can_edit = 0; 4395: if ($group ne '') { 4396: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4397: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4398: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4399: if (&check_group_priv($group,'egp') eq 'ok') { 4400: $can_edit = 1; 4401: } 4402: return $can_edit; 4403: } 4404: } 4405: my $cid = $env{'request.course.id'}; 4406: my $role = (split(/\./,$env{'request.role'}))[0]; 4407: my $section = $env{'request.course.sec'}; 4408: my $allow_editing_config = 4409: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4410: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4411: $can_edit = 1; 4412: } else { 4413: foreach my $editor (split(/,/,$allow_editing_config)) { 4414: my ($editor_role,$editor_sec) = split(/:/,$editor); 4415: if ($editor_role eq $role 4416: && defined($editor_sec) 4417: && defined($section) 4418: && $editor_sec eq $section) { 4419: $can_edit = 1; 4420: last; 4421: } 4422: if ($editor_role eq $role 4423: && !defined($editor_sec)) { 4424: $can_edit = 1; 4425: } 4426: } 4427: } 4428: return $can_edit; 4429: } 4430: 4431: sub check_group_priv { 4432: my ($group,$grp_priv) = @_; 4433: foreach my $priv ('mdg','vcg') { 4434: my $checkcourse = $env{'request.course.id'}. 4435: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4436: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4437: return 'ok'; 4438: } 4439: } 4440: if ($grp_priv && $group ne '') { 4441: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4442: return 'ok'; 4443: } 4444: } 4445: return ''; 4446: } 4447: 4448: sub group_args { 4449: my ($group) = @_; 4450: if ($group eq '') { return ''; } 4451: my $extra_args = '&group='.$group; 4452: if (exists($env{'form.ref'})) { 4453: $extra_args .= '&ref='.$env{'form.ref'}; 4454: } 4455: return $extra_args; 4456: } 4457: 4458: sub get_resource_title { 4459: my ($symb,$feedurl) = @_; 4460: my ($restitle,$plainurl); 4461: if (defined($symb)) { 4462: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4463: $restitle = &Apache::lonnet::gettitle($plain_symb); 4464: } 4465: if (defined($feedurl)) { 4466: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4467: } 4468: if (!defined($restitle)) { 4469: if (defined($feedurl)) { 4470: $restitle = &Apache::lonnet::gettitle($plainurl); 4471: } 4472: } 4473: if ($plainurl ne $feedurl) { 4474: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4475: if ($plain_filename eq $restitle) { 4476: $restitle = &mt('Untitled resource'); 4477: } 4478: } 4479: if ($restitle eq '') { 4480: $restitle = &mt('Untitled resource'); 4481: } 4482: return $restitle; 4483: } 4484: 4485: 1; 4486: __END__ 4487: 4488: 4489: =pod 4490: 4491: =head1 NAME 4492: 4493: Apache::lonfeedback.pm 4494: 4495: =head1 SYNOPSIS 4496: 4497: Handles feedback from students to instructors and system administrators. 4498: 4499: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4500: 4501: Used by lonmsg.pm. 4502: 4503: This is part of the LearningOnline Network with CAPA project 4504: described at http://www.lon-capa.org. 4505: 4506: =head1 OVERVIEW 4507: 4508: None 4509: 4510: =head1 SUBROUTINES 4511: 4512: =over 4513: 4514: =item discussion_open() 4515: 4516: =item discussion_visible() 4517: 4518: =item list_discussion() 4519: 4520: =item send_feedback_link() 4521: 4522: =item send_message_link() 4523: 4524: =item action_links_bar() 4525: 4526: =item postingform_display() 4527: 4528: =item build_posting_display 4529: 4530: =item filter_regexp() 4531: 4532: =item get_post_contents() 4533: 4534: =item replicate_attachments() 4535: 4536: =item mail_screen() 4537: 4538: =item print_display_options() 4539: 4540: =item print_sortfilter_options() 4541: 4542: =item print_showposters() 4543: 4544: =item get_post_versions() 4545: 4546: =item get_post_attachments() 4547: 4548: =item fail_redirect() 4549: 4550: =item redirect_back() 4551: 4552: =item no_redirect_back() 4553: 4554: =item screen_header() 4555: 4556: =item resource_output() 4557: 4558: =item clear_out_html() 4559: 4560: =item assemble_email() 4561: 4562: =item feedback_available() 4563: 4564: =item send_msg() 4565: 4566: =item adddiscuss() 4567: 4568: =item get_discussion_info() 4569: 4570: =item show_preview() 4571: 4572: =item newline_to_br() 4573: 4574: =item tidy_html() 4575: 4576: =item generate_preview_button() 4577: 4578: =item modify_attachments() 4579: 4580: =item process_attachments() 4581: 4582: =item generate_attachments_button() 4583: 4584: =item extract_attachments() 4585: 4586: =item construct_attachmenturl() 4587: 4588: =item add_blog_checkbox() 4589: 4590: =item has_discussion() 4591: 4592: =item sort_filter_names() 4593: 4594: =item handler() 4595: 4596: =item blocked_reply_or_edit() 4597: 4598: =item wrap_symb() 4599: 4600: =item dewrapper() 4601: 4602: =item get_feedurl() 4603: 4604: =item get_feedurl_and_clean_symb() 4605: 4606: =item editing_allowed() 4607: 4608: =item check_group_priv() 4609: 4610: =item group_args() 4611: 4612: =item get_resource_title() 4613: 4614: =back 4615: 4616: =cut