loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.329: download - view: text, annotated - select for diffs
Sat Jan 7 22:03:01 2012 UTC (12 years, 4 months ago) by www
Branches: MAIN
CVS tags: HEAD

Less whitespace in message composition window

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.329 2012/01/07 22:03:01 www Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/$LONCAPA::assess_re/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: 285: my $now = time; 286: $discinfo{$visitkey} = $visit; 287: 288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 289: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 290: 291: my $discussion=''; 292: my $manifestfile; 293: my $manifestok=0; 294: my $tempexport; 295: my $imsresources; 296: my $copyresult; 297: 298: my $function = &Apache::loncommon::get_users_function(); 299: my %lt = &Apache::lonlocal::texthash( 300: 'cuse' => 'My settings for this discussion', 301: 'allposts' => 'All posts', 302: 'unread' => 'New posts only', 303: 'unmark' => 'Unread only', 304: 'ondisp' => 'Once displayed', 305: 'onmark' => 'Once marked not NEW', 306: 'toggoff' => 'Off', 307: 'toggon' => 'On', 308: 'disa' => 'Posts to be displayed', 309: 'npce' => 'Posts cease to be marked "NEW"', 310: 'epcb' => 'Each post can be toggled read/unread', 311: 'chgt' => 'Change', 312: 'disp' => 'Display', 313: 'nolo' => 'Not new', 314: 'togg' => 'Toggle read/unread', 315: 'aner' => 'An error occurred opening the manifest file.', 316: 'difo' => 'Discussion for', 317: 'aerr' => 'An error occurred opening the export file for posting', 318: 'aysu' => 'Are you sure you want to delete this post?', 319: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 320: 'bwco' => 'but will continue to be visible to your instructor', 321: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 322: 'discussions' => 'DISCUSSIONS' 323: ); 324: 325: my $currdisp = $lt{'allposts'}; 326: my $currmark = $lt{'onmark'}; 327: my $currtogg = $lt{'toggoff'}; 328: my $dispchange = $lt{'unread'}; 329: my $markchange = $lt{'ondisp'}; 330: my $toggchange = $lt{'toggon'}; 331: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 332: my $displinkA = 'onlyunread'; 333: my $displinkB = 'onlyunmark'; 334: my $marklink = 'markondisp'; 335: my $togglink = 'toggon'; 336: 337: if ($markondisp) { 338: $currmark = $lt{'ondisp'}; 339: $markchange = $lt{'onmark'}; 340: $marklink = 'markonread'; 341: } 342: 343: if ($showonlyunread) { 344: $currdisp = $lt{'unread'}; 345: $dispchange = $lt{'allposts'}; 346: $displinkA = 'allposts'; 347: } 348: 349: if ($showunmark) { 350: $currdisp = $lt{'unmark'}; 351: $dispchange = $lt{'unmark'}; 352: $displinkA='allposts'; 353: $displinkB='onlyunread'; 354: $showonlyunread = 0; 355: } 356: 357: if ($dischash{$toggkey}) { 358: $currtogg = $lt{'toggon'}; 359: $toggchange = $lt{'toggoff'}; 360: $togglink = 'toggoff'; 361: } 362: 363: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 364: 365: if ($newpostsflag) { 366: $chglink .= '&previous='.$prevread; 367: } 368: $chglink.=&group_args($group); 369: 370: if ($visible) { 371: # Print the discusssion 372: if ($outputtarget eq 'tex') { 373: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 374: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 375: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 376: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 377: } elsif ($outputtarget eq 'export') { 378: # Create temporary directory if this is an export 379: my $now = time; 380: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 381: $tempexport = $$imsextras{'tempexport'}; 382: if (!-e $tempexport) { 383: mkdir($tempexport,0700); 384: } 385: $tempexport .= '/'.$$imsextras{'count'}; 386: if (!-e $tempexport) { 387: mkdir($tempexport,0700); 388: } 389: } else { 390: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 391: if (!-e $tempexport) { 392: mkdir($tempexport,0700); 393: } 394: $tempexport .= '/'.$now; 395: if (!-e $tempexport) { 396: mkdir($tempexport,0700); 397: } 398: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 399: } 400: if (!-e $tempexport) { 401: mkdir($tempexport,0700); 402: } 403: # open manifest file 404: my $manifest = '/imsmanifest.xml'; 405: my $manifestfilename = $tempexport.$manifest; 406: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 407: $manifestok=1; 408: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 409: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 410: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 411: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 412: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 413: <organizations default="$ressymb"> 414: <organization identifier="$ressymb"> 415: <title>$lt{'difo'} $ressymb</title>\n|; 416: } else { 417: $discussion .= $lt{'aner'}.'<br />'; 418: } 419: } else { 420: my $colspan=$maxdepth+1; 421: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 422: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 423: var symbparm = symb+':::'+idx 424: var prevparm = "" 425: if (newflag == 1) { 426: prevparm = "&previous="+previous 427: } 428: if (caller == 'studentdelete') { 429: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 430: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 431: } 432: } else { 433: if (caller == 'seeiddelete') { 434: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 435: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 436: } 437: } 438: } 439: } 440: |); 441: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 442: "\n".'<table width="100%" class="LC_discussion">'; 443: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 444: $newpostsflag,$group, 445: $prevread,$markondisp); 446: my $escsymb=&escape($ressymb); 447: my $numhidden = keys(%notshown); 448: if ($numhidden > 0) { 449: my $colspan = $maxdepth+1; 450: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 451: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 452: if ($newpostsflag) { 453: $discussion .= '&previous='.$prevread; 454: } 455: $discussion .= &group_args($group); 456: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 457: $numhidden.' '; 458: if ($showunmark) { 459: $discussion .= &mt('posts previously marked read'); 460: } else { 461: $discussion .= &mt('previously viewed posts'); 462: } 463: $discussion .= '<br/></td></tr>'; 464: } 465: } 466: 467: # Choose sort mechanism 468: my @showposts = (); 469: if ($sortposts eq 'descdate') { 470: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 471: } elsif ($sortposts eq 'thread') { 472: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 473: } elsif ($sortposts eq 'subject') { 474: foreach my $key (sort(keys(%subjectsort))) { 475: push(@showposts, @{$subjectsort{$key}}); 476: } 477: } elsif ($sortposts eq 'username') { 478: foreach my $domain (sort(keys(%usernamesort))) { 479: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 480: push(@showposts, @{$usernamesort{$domain}{$key}}); 481: } 482: } 483: } elsif ($sortposts eq 'lastfirst') { 484: foreach my $last (sort(keys(%namesort))) { 485: foreach my $key (sort(keys(%{$namesort{$last}}))) { 486: push(@showposts, @{$namesort{$last}{$key}}); 487: } 488: } 489: } else { 490: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 491: } 492: my $currdepth = 0; 493: my $firstidx = $alldiscussion{$showposts[0]}; 494: foreach my $post (@showposts) { 495: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 496: $alldiscussion{$post} = $post; 497: } 498: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 500: $discussion.="\n<tr>"; 501: } 502: my $thisdepth=$depth[$alldiscussion{$post}]; 503: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 504: for (1..$thisdepth) { 505: $discussion.='<td>    </td>'; 506: } 507: } 508: my $colspan=$maxdepth-$thisdepth+1; 509: if ($outputtarget eq 'tex') { 510: #cleanup block 511: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 512: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 513: my $threadinsert=''; 514: if ($thisdepth > 0) { 515: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 516: } 517: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 519: 520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 521: $discussion.=$discussionitems[$alldiscussion{$post}]; 522: } elsif ($outputtarget eq 'export') { 523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 524: if ($manifestok) { 525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 526: print $manifestfile ' </item>'."\n"; 527: } 528: $currdepth = $depth[$alldiscussion{$post}]; 529: print $manifestfile "\n". 530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 533: $imsresources .= "\n". 534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 535: '<file href="'.$postfilename.'">'."\n". 536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 537: '</resource>'; 538: } 539: my $postingfile; 540: my $postingfilename = $tempexport.'/'.$postfilename; 541: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 543: $imsitems{$alldiscussion{$post}}{'title'}.' '. 544: $imsitems{$alldiscussion{$post}}{'sender'}. 545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 548: close($postingfile); 549: } else { 550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 551: } 552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 553: } else { 554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 556: '</td></tr>'; 557: } 558: } 559: } 560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 561: my $colspan=$maxdepth+1; 562: $discussion .= <<END; 563: <tr> 564: <td colspan="$colspan"> 565: <table width="100%"> 566: <tr> 567: <td class="LC_disc_action_left"> 568: <font size="-1"><b>$lt{'cuse'}</b>:  569: END 570: if ($newpostsflag) { 571: $discussion .= 572: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 573: if ($dischash{$toggkey}) { 574: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 575: } 576: } else { 577: if ($dischash{$toggkey}) { 578: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 579: } else { 580: $discussion .= 581: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 582: } 583: } 584: $discussion .= <<END; 585:   <b><a href="$chglink">$lt{'chgt'}</a></b></font> 586: </td> 587: END 588: if ($sortposts) { 589: my %sort_types = (); 590: my %role_types = (); 591: my %status_types = (); 592: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 593: 594: $discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 595: if (defined($env{'form.totposters'})) { 596: $discussion .= &mt('Posts by').':'; 597: if ($totposters > 0) { 598: foreach my $poster (@posters) { 599: $discussion .= ' '.$poster.','; 600: } 601: $discussion =~ s/,$//; 602: } else { 603: $discussion .= &mt('None selected'); 604: } 605: } else { 606: my $filterchoice =''; 607: if (@sectionpick > 0) { 608: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 609: $filterchoice .= '    '; 610: } 611: if (@grouppick > 0) { 612: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 613: $filterchoice .= '    '; 614: } 615: if (@rolefilter > 0) { 616: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 617: foreach my $role (@rolefilter) { 618: $filterchoice .= ' '.$role_types{$role}.','; 619: } 620: $filterchoice =~ s/,$//; 621: $filterchoice .= '<br />'.(' ' x8); 622: } 623: if ($statusfilter) { 624: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 625: } 626: if ($filterchoice) { 627: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 628: } 629: } 630: $discussion .= '</font></td>'; 631: 632: } 633: if ($dischash{$toggkey}) { 634: my $storebutton = &mt('Save read/unread changes'); 635: $discussion.='<td align="right">'. 636: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 637: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 638: ' onclick="this.form.submit();" />'."\n". 639: '</td>'; 640: } 641: $discussion .= (<<END); 642: </tr> 643: </table> 644: </td> 645: </tr> 646: END 647: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 648: $newpostsflag,$group, 649: $prevread,$markondisp); 650: $discussion .= "</table></form>\n"; 651: } 652: if ($outputtarget eq 'export') { 653: if ($manifestok) { 654: while ($currdepth > 0) { 655: print $manifestfile " </item>\n"; 656: $currdepth --; 657: } 658: print $manifestfile qq| 659: </organization> 660: </organizations> 661: <resources> 662: $imsresources 663: </resources> 664: </manifest> 665: |; 666: close($manifestfile); 667: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 668: $discussion = $copyresult; 669: } else { 670: 671: #Create zip file in prtspool 672: 673: my $imszipfile = '/prtspool/'. 674: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 675: time.'_'.rand(1000000000).'.zip'; 676: my $cwd = &getcwd(); 677: my $imszip = '/home/httpd/'.$imszipfile; 678: chdir $tempexport; 679: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 680: close(OUTPUT); 681: chdir $cwd; 682: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 683: if ($copyresult) { 684: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 685: } 686: } 687: } else { 688: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />'; 689: } 690: return $discussion; 691: } 692: } 693: if ($discussiononly) { 694: my $now = time; 695: my $attachnum = 0; 696: my $currnewattach = []; 697: my $currdelold = []; 698: my $comment = ''; 699: my $subject = ''; 700: if ($env{'form.origpage'}) { 701: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 702: $subject = &unescape($env{'form.subject'}); 703: $comment = &unescape($env{'form.comment'}); 704: my @keepold = (); 705: &process_attachments($currnewattach,$currdelold,\@keepold); 706: if (@{$currnewattach} > 0) { 707: $attachnum += @{$currnewattach}; 708: } 709: } 710: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 711: if (($group ne '') && ($mode eq 'board')) { 712: if ((&check_group_priv($group,'pgd') eq 'ok') && 713: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 714: $discussion .= 715: &postingform_display($mode,$ressymb,$now,$subject, 716: $comment,$outputtarget,$attachnum, 717: $currnewattach,$currdelold, 718: $group,$crstype); 719: } 720: } else { 721: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 722: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 723: 724: $discussion.= 725: &postingform_display($mode,$ressymb,$now,$subject, 726: $comment,$outputtarget,$attachnum, 727: $currnewattach,$currdelold,'',$crstype); 728: } else { 729: $discussion.= '<span class="LC_feedback_link">'. 730: &mt('This discussion is closed.').'</span>'; 731: } 732: } 733: } 734: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 735: $discussion.= '<span class="LC_feedback_link">'. 736: &mt('This discussion is closed.').'</span>'; 737: } 738: } elsif ($outputtarget ne 'tex') { 739: $discussion.='<div class="LC_feedback_link">'; 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: $discussion.= &send_feedback_link($ressymb); 745: if ($env{'request.role.adv'}) { 746: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 747: if (defined($close) && $close ne '' && $close < time) { 748: $discussion .= ' '.&mt('(Closed for [_1] roles)', 749: &Apache::lonnet::plaintext('st',$crstype)); 750: } 751: } 752: } else { 753: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 754: } 755: $discussion.= &send_message_link($ressymb).'</div>'; 756: } 757: return $discussion; 758: } 759: 760: 761: sub discussion_link { 762: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds)=@_; 763: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item; 764: if ($flag) { $link .= '&previous='.$prev; } 765: if ($adds) { $link .= $adds; } 766: my $width=600; 767: my $height=600; 768: if (($cmd eq 'hide') || ($cmd eq 'unhide') || ($cmd eq 'like') || ($cmd eq 'unlike')) { 769: $width=300; 770: $height=200; 771: } 772: return &Apache::loncommon::modal_link($link,$linktext,$width,$height); 773: } 774: 775: 776: sub send_feedback_link { 777: my ($ressymb) = @_; 778: return '<span class="LC_feedback_link">'. 779: &discussion_link($ressymb, 780: '<img alt="" class="LC_noBorder" src="'. 781: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 782: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>', 783: 'replydisc'). 784: '</span>'; 785: } 786: 787: sub send_message_link { 788: my ($ressymb) = @_; 789: my $output = '<span class="LC_message_link">'. 790: &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: # &Apache::lonnet::logthis(join(',',@theselikes)." Ave $ave StdDev $stddev $twominus $oneminus $oneplus $twoplus"); 1023: # 1024: # This is now the real loop. Go through all entries, pick up what we need 1025: # 1026: for (my $id=1;$id<=$contrib{'version'};$id++) { 1027: my $idx=$id; 1028: next if ($contrib{$idx.':deleted'}); 1029: next if ($contrib{$idx.':hidden'}); 1030: # 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 1031: # previous edits, but it counts as one entry 1032: my $posttime = $contrib{$idx.':timestamp'}; 1033: if ($prevread <= $posttime) { 1034: $$newpostsflag = 1; 1035: } 1036: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 1037: my $origindex='0.'; 1038: my $numoldver=0; 1039: if ($contrib{$idx.':replyto'}) { 1040: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1041: # this is a follow-up message 1042: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 1043: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 1044: $origindex=$index[$contrib{$idx.':replyto'}]; 1045: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 1046: } else { 1047: $original[$idx]=0; 1048: $$depth[$idx]=0; 1049: } 1050: } else { 1051: # this is an original message 1052: $original[$idx]=0; 1053: $$depth[$idx]=0; 1054: } 1055: if ($$replies[$$depth[$idx]]) { 1056: $$replies[$$depth[$idx]]++; 1057: } else { 1058: $$replies[$$depth[$idx]]=1; 1059: } 1060: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1061: $$visible++; 1062: if ($contrib{$idx.':history'}) { 1063: if ($contrib{$idx.':history'} =~ /:/) { 1064: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1065: $numoldver = @oldversions; 1066: } else { 1067: $numoldver = 1; 1068: } 1069: } 1070: $$current = $numoldver; 1071: my %messages = (); 1072: my %subjects = (); 1073: my %attachtxt = (); 1074: my %allattachments = (); 1075: my ($screenname,$plainname); 1076: my $sender = &mt('Anonymous'); 1077: # Anonymous users getting number within a discussion 1078: # Since idx is in static order, this should give the same sequence every time. 1079: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1080: unless ($$anonhash{$key}) { 1081: $anoncnt++; 1082: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1083: } 1084: my ($message,$subject,$vgrlink,$ctlink); 1085: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1086: 1087: 1088: # Set up for sorting by subject 1089: unless ($outputtarget eq 'export') { 1090: $message=$messages{$numoldver}; 1091: $message.=$attachtxt{$numoldver}; 1092: $subject=$subjects{$numoldver}; 1093: if ($message) { 1094: if ($hiddens{$idx}) { 1095: $message='<font color="#888888">'.$message.'</font>'; 1096: if ($studenthidden) { 1097: $message .='<br /><br />Deleted by poster (student).'; 1098: } 1099: } 1100: 1101: if ($subject eq '') { 1102: if (defined($$subjectsort{'__No subject'})) { 1103: push(@{$$subjectsort{'__No subject'}}, $idx); 1104: } else { 1105: @{$$subjectsort{'__No subject'}} = ("$idx"); 1106: } 1107: } else { 1108: if (defined($$subjectsort{$subject})) { 1109: push(@{$$subjectsort{$subject}}, $idx); 1110: } else { 1111: @{$$subjectsort{$subject}} = ("$idx"); 1112: } 1113: } 1114: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1115: $sender=&Apache::loncommon::aboutmewrapper( 1116: $plainname, 1117: $contrib{$idx.':sendername'}, 1118: $contrib{$idx.':senderdomain'}).' ('. 1119: $contrib{$idx.':sendername'}.':'. 1120: $contrib{$idx.':senderdomain'}.')'; 1121: $sender = '<b>'.$sender.'</b>'; 1122: if ($contrib{$idx.':anonymous'}) { 1123: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1124: $screenname; 1125: } 1126: if ($see_anonymous) { 1127: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1128: } 1129: # Set up for sorting by domain, then username 1130: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1131: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1132: } 1133: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1134: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1135: } else { 1136: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1137: } 1138: # Set up for sorting by last name, then first name 1139: my %names = &Apache::lonnet::get('environment', 1140: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1141: ,$contrib{$idx.':sendername'}); 1142: my $lastname = $names{'lastname'}; 1143: my $firstname = $names{'firstname'}; 1144: if ($lastname eq '') { 1145: $lastname = '_'; 1146: } 1147: if ($firstname eq '') { 1148: $firstname = '_'; 1149: } 1150: unless (defined($$namesort{$lastname})) { 1151: %{$$namesort{$lastname}} = (); 1152: } 1153: if (defined($$namesort{$lastname}{$firstname})) { 1154: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1155: } else { 1156: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1157: } 1158: if ($outputtarget ne 'tex') { 1159: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) { 1160: $sender.=' '.&discussion_link($symb,&mt('Like'),'like',$idx,$$newpostsflag,$prevread,&group_args($group)); 1161: } 1162: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) { 1163: $sender.=' '.&discussion_link($symb,&mt('Unlike'),'unlike',$idx,$$newpostsflag,$prevread,&group_args($group)); 1164: } 1165: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1166: if ($thislikes>0) { 1167: $sender.=' ('.&mt("[_1] likes",$thislikes).')'; 1168: } elsif ($thislikes<0) { 1169: $sender.=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; 1170: } 1171: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1172: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1173: $sender.=' '. 1174: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1175: unless ($seeid) { 1176: my $grpargs = &group_args($group); 1177: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1178: $sender .= '">'.&mt('Delete').'</a>'; 1179: } 1180: } 1181: } 1182: if ($seeid) { 1183: if ($hiddens{$idx}) { 1184: unless ($studenthidden) { 1185: $sender.=' '. 1186: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1187: } 1188: } else { 1189: $sender.=' '. 1190: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1191: } 1192: my $grpargs = &group_args($group); 1193: $sender.= 1194: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1195: $sender .= &mt('Delete').'</a>'; 1196: } 1197: } 1198: } else { 1199: if ($screenname) { 1200: $sender='<i>'.$screenname.'</i>'; 1201: } else { 1202: $sender='<i>'.$$anonhash{$key}.'</i>'; 1203: } 1204: $sender = '<b>'.$sender.'</b>'; 1205: # Set up for sorting by domain, then username for anonymous 1206: unless (defined($$usernamesort{'__anon'})) { 1207: %{$$usernamesort{'__anon'}} = (); 1208: } 1209: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1210: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1211: } else { 1212: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1213: } 1214: # Set up for sorting by last name, then first name for anonymous 1215: unless (defined($$namesort{'__anon'})) { 1216: %{$$namesort{'__anon'}} = (); 1217: } 1218: if (defined($$namesort{'__anon'}{'__anon'})) { 1219: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1220: } else { 1221: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1222: } 1223: } 1224: if ($outputtarget ne 'tex') { 1225: if (&discussion_open($status)) { 1226: if (($group ne '') && 1227: (&check_group_priv($group,'pgd') eq 'ok')) { 1228: $sender.=' '. 1229: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1230: } elsif (&Apache::lonnet::allowed('pch', 1231: $env{'request.course.id'}. 1232: ($env{'request.course.sec'}?'/'. 1233: $env{'request.course.sec'}:''))) { 1234: $sender.=' '. 1235: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread); 1236: } 1237: } 1238: if ($viewgrades) { 1239: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1240: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1241: } 1242: if ($$dischash{$readkey}=~/\.$idx\./) { 1243: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1244: } else { 1245: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1246: } 1247: } 1248: } 1249: #figure out at what position this needs to print 1250: } 1251: if ($outputtarget eq 'export' || $message) { 1252: my $thisindex=$idx; 1253: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1254: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1255: } 1256: $$alldiscussion{$thisindex}=$idx; 1257: $$shown{$idx} = 0; 1258: $index[$idx]=$thisindex; 1259: } 1260: if ($outputtarget eq 'export') { 1261: %{$$imsitems{$idx}} = (); 1262: $$imsitems{$idx}{'isvisible'}='true'; 1263: if ($hiddens{$idx}) { 1264: $$imsitems{$idx}{'isvisible'}='false'; 1265: } 1266: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1267: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1268: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1269: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1270: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1271: $contrib{$idx.':sendername'}.':'. 1272: $contrib{$idx.':senderdomain'}.')'; 1273: $$imsitems{$idx}{'isanonymous'}='false'; 1274: if ($contrib{$idx.':anonymous'}) { 1275: $$imsitems{$idx}{'isanonymous'}='true'; 1276: } 1277: $$imsitems{$idx}{'currversion'}=$numoldver; 1278: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1279: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1280: $$shown{$idx} = 1; 1281: } 1282: } else { 1283: if ($message) { 1284: my $spansize = 2; 1285: if ($showonlyunread && $prevread > $posttime) { 1286: $$notshown{$idx} = 1; 1287: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1288: $$notshown{$idx} = 1; 1289: } else { 1290: # apply filters 1291: my $uname = $contrib{$idx.':sendername'}; 1292: my $udom = $contrib{$idx.':senderdomain'}; 1293: my $poster = $uname.':'.$udom; 1294: if ($env{'form.totposters'} ne '') { 1295: if ($totposters == 0) { 1296: $$shown{$idx} = 0; 1297: } elsif ($totposters > 0) { 1298: if (grep/^$poster$/,@{$posters}) { 1299: $$shown{$idx} = 1; 1300: } 1301: } 1302: } elsif ($sortposts) { 1303: if ($skiptest) { 1304: $$shown{$idx} = 1; 1305: } else { 1306: foreach my $role (@{$$roleinfo{$poster}}) { 1307: if ($role =~ /^cc:/) { 1308: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1309: if ($role =~ /$cc_regexp/) { 1310: $$shown{$idx} = 1; 1311: last; 1312: } 1313: } elsif ($role =~ /^$rolematch$/) { 1314: $$shown{$idx} = 1; 1315: last; 1316: } 1317: } 1318: } 1319: if ($$shown{$idx} && !$skip_group_check) { 1320: my $showflag = 0; 1321: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1322: foreach my $grp (@{$grouppick}) { 1323: if (grep/^\Q$grp\E$/, 1324: keys(%{$$classgroups{$poster}{active}})) { 1325: $showflag = 1; 1326: last; 1327: } 1328: } 1329: } 1330: if ($showflag) { 1331: $$shown{$idx} = 1; 1332: } else { 1333: $$shown{$idx} = 0; 1334: } 1335: } 1336: } else { 1337: $$shown{$idx} = 1; 1338: } 1339: } 1340: unless ($$notshown{$idx} == 1) { 1341: if ($prevread > 0 && $prevread <= $posttime) { 1342: $$newitem{$idx} = 1; 1343: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>'; 1344: } else { 1345: $$newitem{$idx} = 0; 1346: } 1347: $$discussionitems[$idx] .= '<b>'.$subject.'</b>  '. 1348: $sender.' '.$vgrlink.' ('. 1349: &Apache::lonlocal::locallocaltime($posttime).')'; 1350: if ($$dischash{$toggkey}) { 1351: $$discussionitems[$idx].='  '.$ctlink; 1352: } 1353: # Figure out size based on likes 1354: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1355: my $likesize="100"; 1356: if ($thislikes>$twoplus) { 1357: $likesize="200"; 1358: } elsif ($thislikes>$oneplus) { 1359: $likesize="150"; 1360: } 1361: if ($thislikes<$twominus) { 1362: $likesize="50"; 1363: } elsif ($thislikes<$oneminus) { 1364: $likesize="75"; 1365: } 1366: $$discussionitems[$idx].= '<br /><blockquote>'. 1367: "<div style='font-size:$likesize%'>". 1368: $message. 1369: '</div></blockquote>'; 1370: if ($contrib{$idx.':history'}) { 1371: my @postversions = (); 1372: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1373: if ($seeid) { 1374: $$discussionitems[$idx] .= '  '. 1375: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group)); 1376: } 1377: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1378: if ($contrib{$idx.':history'} =~ m/:/) { 1379: @postversions = split(/:/,$contrib{$idx.':history'}); 1380: } else { 1381: @postversions = ("$contrib{$idx.':history'}"); 1382: } 1383: for (my $i=0; $i<@postversions; $i++) { 1384: my $version = $i+1; 1385: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1386: } 1387: } 1388: # end of unless ($$notshown ...) 1389: } 1390: # end of if ($message) ... 1391: } 1392: # end of the else-branch of target being export 1393: } 1394: # end of unless hidden or deleted 1395: } 1396: # end of the loop over all discussion entries 1397: } 1398: # end of "if there actually are any discussions 1399: } 1400: # end of subroutine "build_posting_display" 1401: } 1402: 1403: sub filter_regexp { 1404: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1405: my ($roleregexp,$secregexp,$statusregexp); 1406: my $skiptest = 1; 1407: if (@{$rolefilter} > 0) { 1408: my @okrolefilter = (); 1409: foreach my $role (@{$rolefilter}) { 1410: unless ($role eq '') { 1411: push(@okrolefilter, $role); 1412: } 1413: } 1414: if (@okrolefilter > 0) { 1415: if (grep/^all$/,@okrolefilter) { 1416: $roleregexp='[^:]+'; 1417: } else { 1418: if (@okrolefilter == 1) { 1419: $roleregexp=$okrolefilter[0]; 1420: } else { 1421: $roleregexp='('.join('|',@okrolefilter).')'; 1422: } 1423: $skiptest = 0; 1424: } 1425: } 1426: } 1427: if (@{$sectionpick} > 0) { 1428: my @oksectionpick = (); 1429: foreach my $sec (@{$sectionpick}) { 1430: unless ($sec eq '') { 1431: push(@oksectionpick, $sec); 1432: } 1433: } 1434: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1435: if (@oksectionpick == 1) { 1436: $secregexp = $oksectionpick[0]; 1437: } else { 1438: $secregexp .= '('.join('|',@oksectionpick).')'; 1439: } 1440: $skiptest = 0; 1441: } else { 1442: $secregexp .= '[^:]*'; 1443: } 1444: } 1445: 1446: if (defined($statusfilter) && $statusfilter ne '') { 1447: if ($statusfilter eq 'all') { 1448: $statusregexp = '[^:]+'; 1449: } else { 1450: $statusregexp = $statusfilter; 1451: $skiptest = 0; 1452: } 1453: } 1454: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1455: } 1456: 1457: 1458: sub get_post_contents { 1459: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1460: my $discussion = ''; 1461: my $start=$numver; 1462: my $end=$numver + 1; 1463: %{$$imsfiles{$idx}}=(); 1464: if ($type eq 'allversions') { 1465: unless($seeid) { 1466: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1467: return $discussion; 1468: } 1469: } 1470: # $$screenname=&Apache::loncommon::screenname( 1471: # $$contrib{$idx.':sendername'}, 1472: # $$contrib{$idx.':senderdomain'}); 1473: $$plainname=&Apache::loncommon::nickname( 1474: $$contrib{$idx.':sendername'}, 1475: $$contrib{$idx.':senderdomain'}); 1476: $$screenname=$$contrib{$idx.':screenname'}; 1477: 1478: my $sender=&Apache::loncommon::aboutmewrapper( 1479: $$plainname, 1480: $$contrib{$idx.':sendername'}, 1481: $$contrib{$idx.':senderdomain'}).' ('. 1482: $$contrib{$idx.':sendername'}.':'. 1483: $$contrib{$idx.':senderdomain'}.')'; 1484: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1485: my @postversions = (); 1486: if ($type eq 'allversions' || $type eq 'export') { 1487: $start = 0; 1488: if ($$contrib{$idx.':history'}) { 1489: @postversions = split(/:/,$$contrib{$idx.':history'}); 1490: } 1491: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1492: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1493: push(@postversions,$$contrib{$idx.':timestamp'}); 1494: $end = @postversions; 1495: } else { 1496: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1497: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1498: } 1499: 1500: if ($$contrib{$idx.':anonymous'}) { 1501: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1502: } 1503: if ($type eq 'allversions') { 1504: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1505: } 1506: for (my $i=$start; $i<$end; $i++) { 1507: my ($timesent,$attachmsg); 1508: my %currattach = (); 1509: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1510: unless (&contains_block_html($messages->{$i})) { 1511: &newline_to_br(\$messages->{$i}); 1512: } 1513: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1514: $$subjects{$i}=~s/\n/\<br \/\>/g; 1515: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1516: if ($attachmenturls) { 1517: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1518: } 1519: if ($type eq 'export') { 1520: $$imsfiles{$idx}{$i} = ''; 1521: if ($attachmsg) { 1522: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1523: foreach my $key (sort(keys(%currattach))) { 1524: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1525: my $fname = $1.$3.'/'.$4; 1526: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1527: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1528: } 1529: } 1530: } 1531: } else { 1532: if ($attachmsg) { 1533: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1534: } else { 1535: $$attachtxt{$i} = ''; 1536: } 1537: } 1538: if ($type eq 'allversions') { 1539: $discussion.= <<"END"; 1540: <li><b>$$subjects{$i}</b>, $timesent<br /> 1541: $$messages{$i}<br /> 1542: $$attachtxt{$i}</li> 1543: END 1544: } 1545: } 1546: if ($type eq 'allversions') { 1547: $discussion.='</ul>'; 1548: return $discussion; 1549: } else { 1550: return; 1551: } 1552: } 1553: 1554: sub replicate_attachments { 1555: my ($attachrefs,$tempexport) = @_; 1556: my $response; 1557: foreach my $id (keys(%{$attachrefs})) { 1558: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1559: my $path = $tempexport; 1560: my $tail = $1.'/'.$2.$4; 1561: my @extras = split(/\//,$tail); 1562: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1563: if (!-e $destination) { 1564: my $i= 0; 1565: while ($i<@extras) { 1566: $path .= '/'.$extras[$i]; 1567: if (!-e $path) { 1568: mkdir($path,0700); 1569: } 1570: $i ++; 1571: } 1572: my ($content,$rtncode); 1573: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1574: if ($uploadreply eq 'ok') { 1575: my $attachcopy; 1576: if ($attachcopy = Apache::File->new('>'.$destination)) { 1577: print $attachcopy $content; 1578: close($attachcopy); 1579: } else { 1580: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1581: } 1582: } else { 1583: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1584: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1585: } 1586: } 1587: } 1588: } 1589: return $response; 1590: } 1591: 1592: sub mail_screen { 1593: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1594: if (exists($env{'form.origpage'})) { 1595: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1596: } 1597: 1598: my %lt = &Apache::lonlocal::texthash( 1599: 'myqu' => 'My question/comment/feedback:', 1600: 'title' => 'Title', 1601: 'reta' => 'Retained attachments', 1602: 'atta' => 'Attachment', 1603: ); 1604: my $restitle = &get_resource_title($caller_symb,$feedurl); 1605: my $quote=''; 1606: my $subject = ''; 1607: my $comment = ''; 1608: my $prevtag = ''; 1609: my $parentmsg = ''; 1610: my ($symb,$idx,$attachmenturls); 1611: my $numoldver = 0; 1612: my $attachmsg = ''; 1613: my $newattachmsg = ''; 1614: my @currnewattach = (); 1615: my @currdelold = (); 1616: my @keepold = (); 1617: my %attachments = (); 1618: my %currattach = (); 1619: my $attachnum = 0; 1620: my $anonchk = (<<END); 1621: function anonchk() { 1622: for (var i=0; i < document.mailform.discuss.length; i++) { 1623: if (document.mailform.discuss[i].checked) { 1624: document.attachment.discuss.value = 1625: document.mailform.discuss[i].value; 1626: } 1627: } 1628: if (document.mailform.blog.checked) { 1629: document.attachment.blog.value = 1; 1630: } 1631: return 1632: } 1633: END 1634: my $anonscript; 1635: if (exists($env{'form.origpage'})) { 1636: $anonscript = (<<END); 1637: function setposttype() { 1638: var disc = "$env{'form.discuss'}"; 1639: for (var i=0; i < document.mailform.discuss.length; i++) { 1640: if (disc == document.mailform.discuss[i].value) { 1641: document.mailform.discuss[i].checked = 1; 1642: } 1643: } 1644: var blog = "$env{'form.blog'}"; 1645: if (blog == 1) { 1646: document.mailform.blog.checked=1; 1647: } 1648: return 1649: } 1650: END 1651: } else { 1652: $anonscript = (<<END); 1653: function setposttype() { 1654: return 1655: } 1656: END 1657: } 1658: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1659: if ($env{'form.replydisc'}) { 1660: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1661: } else { 1662: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1663: } 1664: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1665: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1666: $env{'course.'.$env{'request.course.id'}.'.num'}); 1667: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1668: if ($contrib{$idx.':history'}) { 1669: if ($contrib{$idx.':history'} =~ /:/) { 1670: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1671: $numoldver = @oldversions; 1672: } else { 1673: $numoldver = 1; 1674: } 1675: } 1676: if ($env{'form.replydisc'}) { 1677: if ($contrib{$idx.':history'}) { 1678: if ($contrib{$idx.':history'} =~ /:/) { 1679: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1680: $numoldver = @oldversions; 1681: } else { 1682: $numoldver = 1; 1683: } 1684: } 1685: if ($idx > 0) { 1686: my %msgversions = (); 1687: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1688: $quote = $msgversions{$numoldver}; 1689: } 1690: if ($idx > 0) { 1691: my %subversions = (); 1692: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1693: $subject = &mt('Re: ').$subversions{$numoldver}; 1694: } 1695: $subject = &HTML::Entities::encode($subject,'<>&"'); 1696: } else { 1697: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1698: if ($idx > 0) { 1699: my %msgversions = (); 1700: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1701: $comment = $msgversions{$numoldver}; 1702: my %subversions = (); 1703: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1704: $subject = $subversions{$numoldver}; 1705: } 1706: if (defined($contrib{$idx.':replyto'})) { 1707: $parentmsg = $contrib{$idx.':replyto'}; 1708: } 1709: unless (exists($env{'form.origpage'})) { 1710: my $anonflag = 'nonanon'; 1711: if ($contrib{$idx.':anonymous'}) { 1712: $anonflag = 'anon'; 1713: } 1714: $anonscript = (<<END); 1715: function setposttype () { 1716: var currtype = "$anonflag"; 1717: for (var i=0; i<document.mailform.discuss.length; i++) { 1718: if (document.mailform.elements.discuss[i].value == currtype ) { 1719: document.mailform.elements.discuss[i].checked=1; 1720: } 1721: } 1722: return 1723: } 1724: END 1725: } 1726: } 1727: } 1728: if ($env{'form.previous'}) { 1729: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1730: } 1731: } 1732: 1733: if ($env{'form.origpage'}) { 1734: $subject = &unescape($env{'form.subject'}); 1735: $comment = &unescape($env{'form.comment'}); 1736: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1737: } 1738: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0)); 1739: my $send=&mt('Send'); 1740: my $alert = &mt('Please select a feedback type.'); 1741: my $js= <<END; 1742: <script type="text/javascript"> 1743: // 1777: </script> 1778: END 1779: 1780: my ($textareaheader,$textareaclass); 1781: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1782: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1783: $textareaclass = 'class="LC_richDefaultOff"'; 1784: if ($env{'request.course.id'}) { 1785: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1786: undef($textareaclass); 1787: } 1788: } 1789: } 1790: 1791: # Breadcrumbs 1792: my $brcrum = [{'href' => '', 1793: 'text' => 'Resource Feedback and Discussion'}]; 1794: 1795: my %onload = ('onload' => 'window.focus();setposttype();'); 1796: my %parms=('add_entries' => \%onload); 1797: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1798: my $start_page= 1799: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1800: 1801: if ($quote ne '') { 1802: $quote = &HTML::Entities::decode($quote); 1803: unless (&contains_block_html($quote)) { 1804: &newline_to_br(\$quote); 1805: } 1806: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1807: } 1808: my $header=''; 1809: unless ($env{'form.modal'}) { 1810: $header="<h2><tt>$restitle</tt></h2>"; 1811: } 1812: $r->print(<<END); 1813: $start_page 1814: $header 1815: <form action="/adm/feedback" method="post" name="mailform" 1816: enctype="multipart/form-data"> 1817: $prevtag 1818: <input type="hidden" name="postdata" value="$feedurl" /> 1819: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1820: END 1821: if ($env{'form.replydisc'}) { 1822: $r->print(<<END); 1823: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1824: END 1825: } elsif ($env{'form.editdisc'}) { 1826: $r->print(<<END); 1827: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1828: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1829: END 1830: } 1831: $r->print(<<END); 1832: $options 1833: $quote 1834: <p>$lt{'myqu'} 1835: $textareaheader 1836: </p> 1837: <p> 1838: $latexHelp 1839: </p> 1840: <p> 1841: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1842: <p> 1843: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1844: </textarea></p> 1845: END 1846: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1847: if ($env{'form.origpage'}) { 1848: foreach my $attach (@currnewattach) { 1849: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1850: } 1851: foreach my $oldatt (@currdelold) { 1852: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1853: } 1854: } 1855: if ($env{'form.editdisc'}) { 1856: if ($attachmenturls) { 1857: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1858: $attachnum = scalar(keys(%currattach)); 1859: foreach my $key (keys(%currattach)) { 1860: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1861: } 1862: } 1863: } 1864: } else { 1865: $r->print(<<END); 1866: <p> 1867: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1868: </p> 1869: END 1870: } 1871: if (exists($env{'form.group'})) { 1872: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1873: } 1874: if (exists($env{'form.ref'})) { 1875: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1876: } 1877: $r->print(<<END); 1878: <p> 1879: <input type="hidden" name="sendit" value="1" /> 1880: <input type="button" value="$send" onclick='gosubmit();' /> 1881: </p> 1882: </form> 1883: END 1884: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1885: my $now = time; 1886: my $ressymb = $symb; 1887: &Apache::lonenc::check_encrypt(\$ressymb); 1888: my $postidx = ''; 1889: if ($env{'form.editdisc'}) { 1890: $postidx = $idx; 1891: } 1892: if (@currnewattach > 0) { 1893: $attachnum += @currnewattach; 1894: } 1895: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1896: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1897: if ($attachnum > 0) { 1898: if (@currnewattach > 0) { 1899: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1900: if (@currnewattach > 1) { 1901: $newattachmsg .= '<ol>'; 1902: foreach my $item (@currnewattach) { 1903: $item =~ m#.*/([^/]+)$#; 1904: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1905: } 1906: $newattachmsg .= '</ol>'."\n"; 1907: } else { 1908: $currnewattach[0] =~ m#.*/([^/]+)$#; 1909: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1910: } 1911: } 1912: if ($attachmsg) { 1913: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1914: } 1915: if ($newattachmsg) { 1916: $r->print("$newattachmsg<br />"); 1917: } 1918: } 1919: } 1920: $r->print(&generate_preview_button(). 1921: &Apache::loncommon::end_page()); 1922: 1923: } 1924: 1925: sub print_display_options { 1926: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1927: &Apache::loncommon::content_type($r,'text/html'); 1928: $r->send_http_header; 1929: 1930: my $function = &Apache::loncommon::get_users_function(); 1931: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1932: $env{'user.domain'}); 1933: 1934: my %lt = &Apache::lonlocal::texthash( 1935: 'pref' => 'Display Preference', 1936: 'curr' => 'Current setting ', 1937: 'actn' => 'Action', 1938: 'deff' => 'Default for all discussions', 1939: 'prca' => 'Preferences can be set for this discussion that determine ....', 1940: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1941: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1942: 'wipa' => 'Whether individual posts can be marked as read/unread', 1943: 'allposts' => 'All posts', 1944: 'unread' => 'New posts only', 1945: 'unmark' => 'Posts not marked read', 1946: 'ondisp' => 'Once displayed', 1947: 'onmark' => 'Once marked not NEW', 1948: 'toggon' => 'Shown', 1949: 'toggoff' => 'Not shown', 1950: 'disa' => 'Posts displayed?', 1951: 'npmr' => 'New posts cease to be identified as "NEW"?', 1952: 'dotm' => 'Option to mark each post as read/unread?', 1953: 'chgt' => 'Change to ', 1954: 'mkdf' => 'Set to ', 1955: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1956: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1957: ); 1958: 1959: my $dispchangeA = $lt{'unread'}; 1960: my $dispchangeB = $lt{'unmark'}; 1961: my $markchange = $lt{'ondisp'}; 1962: my $toggchange = $lt{'toggon'}; 1963: my $currdisp = $lt{'allposts'}; 1964: my $currmark = $lt{'onmark'}; 1965: my $discdisp = 'allposts'; 1966: my $discmark = 'onmark'; 1967: my $currtogg = $lt{'toggoff'}; 1968: my $disctogg = 'toggoff'; 1969: 1970: if ($dispchgA eq 'allposts') { 1971: $dispchangeA = $lt{'allposts'}; 1972: $currdisp = $lt{'unread'}; 1973: $discdisp = 'unread'; 1974: } 1975: 1976: if ($markchg eq 'markonread') { 1977: $markchange = $lt{'onmark'}; 1978: $currmark = $lt{'ondisp'}; 1979: $discmark = 'ondisp'; 1980: } 1981: 1982: if ($dispchgB eq 'onlyunread') { 1983: $dispchangeB = $lt{'unread'}; 1984: $currdisp = $lt{'unmark'}; 1985: $discdisp = 'unmark'; 1986: } 1987: if ($toggchg eq 'toggoff') { 1988: $toggchange = $lt{'toggoff'}; 1989: $currtogg = $lt{'toggon'}; 1990: $disctogg = 'toggon'; 1991: } 1992: 1993: my $js = <<END; 1994: <script type="text/javascript"> 1995: function discdispChk(caller) { 1996: var disctogg = '$toggchg' 1997: if (caller == 0) { 1998: if (document.modifydisp.discdisp[0].checked == true) { 1999: if (document.modifydisp.discdisp[1].checked == true) { 2000: document.modifydisp.discdisp[1].checked = false 2001: } 2002: } 2003: } 2004: if (caller == 1) { 2005: if (document.modifydisp.discdisp[1].checked == true) { 2006: if (document.modifydisp.discdisp[0].checked == true) { 2007: document.modifydisp.discdisp[0].checked = false 2008: } 2009: if (disctogg == 'toggon') { 2010: document.modifydisp.disctogg.checked = true 2011: } 2012: if (disctogg == 'toggoff') { 2013: document.modifydisp.disctogg.checked = false 2014: } 2015: } 2016: } 2017: if (caller == 2) { 2018: var dispchgB = '$dispchgB' 2019: if (disctogg == 'toggoff') { 2020: if (document.modifydisp.disctogg.checked == true) { 2021: if (dispchgB == 'onlyunmark') { 2022: document.modifydisp.discdisp[1].checked = false 2023: } 2024: } 2025: } 2026: } 2027: } 2028: 2029: function setDisp() { 2030: var prev = "$previous" 2031: var chktotal = 0 2032: if (document.modifydisp.discdisp[0].checked == true) { 2033: document.modifydisp.$dispchgA.value = "$symb" 2034: chktotal ++ 2035: } 2036: if (document.modifydisp.discdisp[1].checked == true) { 2037: document.modifydisp.$dispchgB.value = "$symb" 2038: chktotal ++ 2039: } 2040: if (document.modifydisp.discmark.checked == true) { 2041: document.modifydisp.$markchg.value = "$symb" 2042: chktotal ++ 2043: } 2044: if (document.modifydisp.disctogg.checked == true) { 2045: document.modifydisp.$toggchg.value = "$symb" 2046: chktotal ++ 2047: } 2048: if (chktotal > 0) { 2049: document.modifydisp.submit() 2050: } else { 2051: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2052: if (prev > 0) { 2053: location.href = "$feedurl?previous=$previous" 2054: } else { 2055: location.href = "$feedurl" 2056: } 2057: } 2058: } 2059: } 2060: </script> 2061: END 2062: 2063: 2064: my $start_page = 2065: &Apache::loncommon::start_page('Discussion display options',$js); 2066: my $end_page = 2067: &Apache::loncommon::end_page(); 2068: $r->print(<<END); 2069: $start_page 2070: <form name="modifydisp" method="post" action="/adm/feedback"> 2071: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2072: <br /> 2073: END 2074: $r->print(&Apache::loncommon::start_data_table()); 2075: $r->print(<<END); 2076: <tr> 2077: <th>$lt{'pref'}</td> 2078: <th>$lt{'curr'}</td> 2079: <th>$lt{'actn'}?</td> 2080: </tr> 2081: END 2082: $r->print(&Apache::loncommon::start_data_table_row()); 2083: $r->print(<<END); 2084: <td>$lt{'disa'}</td> 2085: <td>$lt{$discdisp}</td> 2086: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2087: <br /> 2088: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2089: </td> 2090: END 2091: $r->print(&Apache::loncommon::end_data_table_row()); 2092: $r->print(&Apache::loncommon::start_data_table_row()); 2093: $r->print(<<END); 2094: <td>$lt{'npmr'}</td> 2095: <td>$lt{$discmark}</td> 2096: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2097: END 2098: $r->print(&Apache::loncommon::end_data_table_row()); 2099: $r->print(&Apache::loncommon::start_data_table_row()); 2100: $r->print(<<END); 2101: <td>$lt{'dotm'}</td> 2102: <td>$lt{$disctogg}</td> 2103: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2104: END 2105: my $save = &mt('Save'); 2106: $r->print(&Apache::loncommon::end_data_table_row()); 2107: $r->print(&Apache::loncommon::end_data_table()); 2108: $r->print(<<END); 2109: <br /> 2110: <br /> 2111: <input type="hidden" name="symb" value="$symb" /> 2112: <input type="hidden" name="previous" value="$previous" /> 2113: <input type="hidden" name="$dispchgA" value="" /> 2114: <input type="hidden" name="$dispchgB" value="" /> 2115: <input type="hidden" name="$markchg" value="" /> 2116: <input type="hidden" name="$toggchg" value="" /> 2117: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2118: END 2119: if (exists($env{'form.group'})) { 2120: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2121: } 2122: if (exists($env{'form.ref'})) { 2123: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2124: } 2125: $r->print(" 2126: <br /> 2127: <br /> 2128: </form> 2129: $end_page 2130: "); 2131: return; 2132: } 2133: 2134: sub print_sortfilter_options { 2135: my ($r,$symb,$previous,$feedurl) = @_; 2136: 2137: &Apache::loncommon::content_type($r,'text/html'); 2138: $r->send_http_header; 2139: 2140: &Apache::lonenc::check_encrypt(\$symb); 2141: my @sections; 2142: my $section_sel = ''; 2143: my $numvisible = 5; 2144: my @groups; 2145: my $group_sel = ''; 2146: my $numgroupvis = 5; 2147: my %sectioncount = &Apache::loncommon::get_sections(); 2148: my @courseroles = qw(st ad ep ta in); 2149: my $crstype = &Apache::loncommon::course_type(); 2150: my $ccrole = 'cc'; 2151: if ($crstype eq 'Community') { 2152: $ccrole = 'co'; 2153: } 2154: push(@courseroles,$ccrole); 2155: 2156: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2157: @sections = ('all',$env{'request.course.sec'}); 2158: $numvisible = 2; 2159: } else { 2160: @sections = sort {$a cmp $b} keys(%sectioncount); 2161: if (scalar(@sections) < 4) { 2162: $numvisible = scalar(@sections) + 1; 2163: } 2164: unshift(@sections,'all'); # Put 'all' at the front of the list 2165: 2166: } 2167: foreach my $sec (@sections) { 2168: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2169: } 2170: 2171: if (&check_group_priv() eq 'ok') { 2172: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2173: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2174: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2175: @groups = sort {$a cmp $b} keys(%curr_groups); 2176: if (scalar(@groups) < 4) { 2177: $numgroupvis = scalar(@groups) + 1; 2178: } 2179: unshift(@groups,'all'); # Put 'all' at the front of the list 2180: } else { 2181: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2182: if (@coursegroups > 0) { 2183: @coursegroups = sort {$a cmp $b} @coursegroups; 2184: @groups = ('all',@coursegroups); 2185: if (scalar(@groups) < 4) { 2186: $numgroupvis = scalar(@groups) + 1; 2187: } 2188: } else { 2189: @groups = ('all'); 2190: $numgroupvis = 1; 2191: } 2192: } 2193: foreach my $group (@groups) { 2194: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2195: } 2196: 2197: my $function = &Apache::loncommon::get_users_function(); 2198: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2199: $env{'user.domain'}); 2200: my %lt = &Apache::lonlocal::texthash( 2201: 'diop' => 'Display Options', 2202: 'curr' => 'Current setting ', 2203: 'actn' => 'Action', 2204: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2205: 'soor' => 'Sort order', 2206: 'spur' => 'Specific user roles', 2207: 'sprs' => 'Specific role status', 2208: 'spse' => 'Specific sections', 2209: 'spgr' => 'Specific groups', 2210: 'psub' => 'Pick specific users (by name)', 2211: 'shal' => 'Show a list of current posters', 2212: 'stor' => 'Save changes', 2213: ); 2214: 2215: my %sort_types = (); 2216: my %role_types = (); 2217: my %status_types = (); 2218: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2219: 2220: my $js = <<END; 2221: <script type="text/javascript"> 2222: function verifyFilter() { 2223: var rolenum = 0 2224: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2225: if (document.modifyshown.rolefilter.options[i].selected == true) { 2226: rolenum ++ 2227: } 2228: } 2229: if (rolenum == 0) { 2230: document.modifyshown.rolefilter.options[0].selected = true 2231: } 2232: 2233: var secnum = 0 2234: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2235: if (document.modifyshown.sectionpick.options[i].selected == true) { 2236: secnum ++ 2237: } 2238: } 2239: if (secnum == 0) { 2240: document.modifyshown.sectionpick.options[0].selected = true 2241: } 2242: 2243: var grpnum = 0 2244: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2245: if (document.modifyshown.grouppick.options[i].selected == true) { 2246: grpnum ++ 2247: } 2248: } 2249: if (grpnum == 0) { 2250: document.modifyshown.grouppick.options[0].selected = true 2251: } 2252: 2253: document.modifyshown.submit(); 2254: } 2255: </script> 2256: END 2257: 2258: my $start_page= 2259: &Apache::loncommon::start_page('Discussion options',$js); 2260: my $end_page= 2261: &Apache::loncommon::end_page(); 2262: 2263: $r->print(<<END); 2264: $start_page 2265: <form name="modifyshown" method="post" action="/adm/feedback"> 2266: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2267: <br /> 2268: <table border="0"> 2269: <tr> 2270: <th>$lt{'soor'}</th> 2271: <th> </th> 2272: <th>$lt{'sprs'}</th> 2273: <th> </th> 2274: <th>$lt{'spur'}</th> 2275: <th> </th> 2276: <th>$lt{'spse'}</th> 2277: <th> </th> 2278: <th>$lt{'spgr'}</th> 2279: <th> </th> 2280: <th>$lt{'psub'}</th> 2281: </tr> 2282: <tr> 2283: <td align="center" valign="top"> 2284: <select name="sortposts"> 2285: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2286: <option value="descdate">$sort_types{'descdate'}</option> 2287: <option value="thread">$sort_types{'thread'}</option> 2288: <option value="subject">$sort_types{'subject'}</option> 2289: <option value="username">$sort_types{'username'}</option> 2290: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2291: </select> 2292: </td> 2293: <td> </td> 2294: <td align="center" valign="top"> 2295: <select name="statusfilter"> 2296: <option value="all" selected="selected">$status_types{'all'}</option> 2297: <option value="Active">$status_types{'Active'}</option> 2298: <option value="Expired">$status_types{'Expired'}</option> 2299: <option value="Future">$status_types{'Future'}</option> 2300: </select> 2301: </td> 2302: <td> </td> 2303: <td align="center" valign="top"> 2304: <select name="rolefilter" multiple="multiple" size="5"> 2305: <option value="all">$role_types{'all'}</option> 2306: <option value="st">$role_types{'st'}</option> 2307: <option value="$ccrole">$role_types{$ccrole}</option> 2308: <option value="in">$role_types{'in'}</option> 2309: <option value="ta">$role_types{'ta'}</option> 2310: <option value="ep">$role_types{'ep'}</option> 2311: <option value="ad">$role_types{'ad'}</option> 2312: <option value="cr">$role_types{'cr'}</option> 2313: </select> 2314: </td> 2315: <td> </td> 2316: <td align="center" valign="top"> 2317: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2318: $section_sel 2319: </select> 2320: </td> 2321: <td> </td> 2322: <td align="center" valign="top"> 2323: <select name="grouppick" multiple="multiple" size="$numvisible"> 2324: $group_sel 2325: </select> 2326: </td> 2327: <td> </td> 2328: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2329: </tr> 2330: </table> 2331: <br /> 2332: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" /> 2333: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2334: <input type="hidden" name="previous" value="$previous" /> 2335: <input type="hidden" name="applysort" value="$symb" /> 2336: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2337: END 2338: if (exists($env{'form.group'})) { 2339: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2340: } 2341: if (exists($env{'form.ref'})) { 2342: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2343: } 2344: $r->print(" 2345: <br /> 2346: <br /> 2347: </form> 2348: $end_page 2349: "); 2350: } 2351: 2352: sub print_showposters { 2353: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2354: 2355: &Apache::loncommon::content_type($r,'text/html'); 2356: $r->send_http_header; 2357: 2358: &Apache::lonenc::check_encrypt(\$symb); 2359: my $crs='/'.$env{'request.course.id'}; 2360: if ($env{'request.course.sec'}) { 2361: $crs.='_'.$env{'request.course.sec'}; 2362: } 2363: $crs=~s/\_/\//g; 2364: my $seeid; 2365: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2366: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2367: my $group = $env{'form.group'}; 2368: my $ressymb = &wrap_symb($symb); 2369: if (($group ne '') && 2370: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2371: if (&check_group_priv($group,'dgp') eq 'ok') { 2372: $seeid = 1; 2373: } 2374: } else { 2375: $seeid=&Apache::lonnet::allowed('rin',$crs); 2376: } 2377: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2378: $cdom,$cnum); 2379: my %namesort = (); 2380: my %postcounts = (); 2381: 2382: my %lt = &Apache::lonlocal::texthash( 2383: sele => 'Select', 2384: full => 'Fullname', 2385: usdo => 'Username:domain', 2386: post => 'Posts', 2387: ); 2388: if ($contrib{'version'}) { 2389: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2390: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2391: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2392: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2393: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2394: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2395: my $lastname = $names{'lastname'}; 2396: my $firstname = $names{'firstname'}; 2397: if ($lastname eq '') { 2398: $lastname = '_'; 2399: } 2400: if ($firstname eq '') { 2401: $firstname = '_'; 2402: } 2403: unless (defined($namesort{$lastname})) { 2404: %{$namesort{$lastname}} = (); 2405: } 2406: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2407: $postcounts{$poster} ++; 2408: if (defined($namesort{$lastname}{$firstname})) { 2409: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2410: push(@{$namesort{$lastname}{$firstname}}, $poster); 2411: } 2412: } else { 2413: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2414: } 2415: } 2416: } 2417: } 2418: } 2419: 2420: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2421: my $table_start =&Apache::loncommon::start_data_table(); 2422: $r->print(<<END); 2423: $start_page 2424: <form name="pickpostersform" method="post"> 2425: <br /> 2426: $table_start 2427: <tr> 2428: <th>#</th> 2429: <th>$lt{'sele'}</th> 2430: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2431: <th>$lt{'post'}</th> 2432: </tr> 2433: END 2434: my $count = 0; 2435: foreach my $last (sort(keys(%namesort))) { 2436: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2437: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2438: my ($uname,$udom) = split(/:/,$user); 2439: if (!$uname || !$udom) { 2440: next; 2441: } else { 2442: $count ++; 2443: $r->print(&Apache::loncommon::start_data_table_row(). 2444: '<td align="right">'.$count.'</td> 2445: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2446: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2447: <td>'.$postcounts{$user}.'</td>'. 2448: &Apache::loncommon::end_data_table_row()); 2449: } 2450: } 2451: } 2452: } 2453: $r->print(&Apache::loncommon::end_data_table()); 2454: my $end_page = &Apache::loncommon::end_page(); 2455: $r->print(<<END); 2456: <br /> 2457: <input type="hidden" name="sortposts" value="$sortposts" /> 2458: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2459: <input type="hidden" name="userpick" value="$symb" /> 2460: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2461: </form> 2462: $end_page 2463: END 2464: } 2465: 2466: sub get_post_versions { 2467: my ($versions,$incoming,$htmldecode,$numver) = @_; 2468: if ($incoming =~ /^<version num="0">/) { 2469: my $p = HTML::LCParser->new(\$incoming); 2470: my $done = 0; 2471: 2472: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2473: my $num = $token->[1]{num}; 2474: my $text = $p->get_text("/version"); 2475: if (defined($numver)) { 2476: if ($num == $numver) { 2477: if ($htmldecode) { 2478: $text = &HTML::Entities::decode($text); 2479: } 2480: $$versions{$numver}=$text; 2481: $done = 1; 2482: } 2483: } else { 2484: if ($htmldecode) { 2485: $text = &HTML::Entities::decode($text); 2486: } 2487: $$versions{$num}=$text; 2488: } 2489: } 2490: } else { 2491: if (!defined($numver)) { 2492: $numver = 0; 2493: } 2494: if ($htmldecode) { 2495: $$versions{$numver} = $incoming; 2496: } else { 2497: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2498: } 2499: } 2500: return; 2501: } 2502: 2503: sub get_post_attachments { 2504: my ($attachments,$attachmenturls) = @_; 2505: my $num; 2506: if ($attachmenturls =~ m/^<attachment id="0">/) { 2507: my $p = HTML::LCParser->new(\$attachmenturls); 2508: while (my $token = $p->get_tag("attachment","filename","post")) { 2509: if ($token->[0] eq "attachment") { 2510: $num = $token->[1]{id}; 2511: %{$$attachments{$num}} =(); 2512: } elsif ($token->[0] eq "filename") { 2513: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2514: } elsif ($token->[0] eq "post") { 2515: my $id = $token->[1]{id}; 2516: $$attachments{$num}{$id} = $p->get_text("/post"); 2517: } 2518: } 2519: } else { 2520: %{$$attachments{'0'}} = (); 2521: $$attachments{'0'}{'filename'} = $attachmenturls; 2522: $$attachments{'0'}{'0'} = 'n'; 2523: } 2524: 2525: return; 2526: } 2527: 2528: sub fail_redirect { 2529: my ($r,$feedurl) = @_; 2530: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2531: my %lt = &Apache::lonlocal::texthash( 2532: 'sorr' => 'Sorry, no recipients ...', 2533: ); 2534: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2535: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2536: {'redirect' => [2,$feedurl], 2537: 'only_body' => 1,})); 2538: $r->print(<<ENDFAILREDIR); 2539: <img align="right" src="$logo" /> 2540: <b>$lt{'sorr'}</b> 2541: ENDFAILREDIR 2542: $r->print(&Apache::loncommon::end_page()); 2543: } 2544: 2545: sub redirect_back { 2546: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2547: my $sorttag = ''; 2548: my $roletag = ''; 2549: my $statustag = ''; 2550: my $sectag = ''; 2551: my $grptag = ''; 2552: my $userpicktag = ''; 2553: my $qrystr = ''; 2554: my $prevtag = ''; 2555: 2556: &Apache::loncommon::content_type($r,'text/html'); 2557: $r->send_http_header; 2558: &dewrapper(\$feedurl); 2559: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2560: if ($previous > 0) { 2561: $qrystr = 'previous='.$previous; 2562: if ($feedurl =~ /\?register=1/) { 2563: $feedurl .= '&'.$qrystr; 2564: } else { 2565: $feedurl .= '?'.$qrystr; 2566: } 2567: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2568: } 2569: if (defined($sort)) { 2570: my $sortqry = 'sortposts='.$sort; 2571: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2572: $feedurl .= '&'.$sortqry; 2573: } else { 2574: $feedurl .= '?'.$sortqry; 2575: } 2576: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2577: if (defined($numpicks)) { 2578: my $userpickqry = 'totposters='.$numpicks; 2579: $feedurl .= '&'.$userpickqry; 2580: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2581: } else { 2582: if (ref($sectionpick) eq 'ARRAY') { 2583: $feedurl .= '&sectionpick='; 2584: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2585: foreach my $sec (@{$sectionpick}) { 2586: $feedurl .= $sec.','; 2587: $sectag .= $sec.','; 2588: } 2589: $feedurl =~ s/,$//; 2590: $sectag =~ s/,$//; 2591: $sectag .= '" />'; 2592: } else { 2593: $feedurl .= '&sectionpick='.$sectionpick; 2594: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2595: } 2596: if (ref($grouppick) eq 'ARRAY') { 2597: $feedurl .= '&grouppick='; 2598: $sectag .= '<input type="hidden" name="grouppick" value="'; 2599: foreach my $grp (@{$grouppick}) { 2600: $feedurl .= $grp.','; 2601: $grptag .= $grp.','; 2602: } 2603: $feedurl =~ s/,$//; 2604: $grptag =~ s/,$//; 2605: $grptag .= '" />'; 2606: } else { 2607: $feedurl .= '&grouppick='.$grouppick; 2608: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2609: } 2610: if (ref($rolefilter) eq 'ARRAY') { 2611: $feedurl .= '&rolefilter='; 2612: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2613: foreach my $role (@{$rolefilter}) { 2614: $feedurl .= $role.','; 2615: $roletag .= $role.','; 2616: } 2617: $feedurl =~ s/,$//; 2618: $roletag =~ s/,$//; 2619: $roletag .= '" />'; 2620: } else { 2621: $feedurl .= '&rolefilter='.$rolefilter; 2622: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2623: } 2624: $feedurl .= '&statusfilter='.$statusfilter; 2625: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2626: } 2627: } 2628: my $grouptag; 2629: if ($group ne '') { 2630: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2631: my $refarg; 2632: if (exists($env{'form.ref'})) { 2633: $refarg = '&ref='.$env{'form.ref'}; 2634: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2635: } 2636: if ($feedurl =~ /\?/) { 2637: $feedurl .= '&group='.$group.$refarg; 2638: } else { 2639: $feedurl .= '?group='.$group.$refarg; 2640: } 2641: } 2642: &Apache::lonenc::check_encrypt(\$feedurl); 2643: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2644: my %parms=('only_body' => 1); 2645: if ($env{'form.modal'}) { 2646: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2647: } else { 2648: $parms{'redirect'}=[0,$feedurl]; 2649: } 2650: my $start_page= 2651: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2652: my $end_page = &Apache::loncommon::end_page(); 2653: $r->print(<<ENDREDIR); 2654: $start_page 2655: <img align="right" src="$logo" /> 2656: $typestyle 2657: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2658: $blog 2659: $toolarge 2660: <font color="red">$status</font> 2661: <form name="reldt" action="$feedurl" target="loncapaclient"> 2662: $prevtag 2663: $sorttag 2664: $statustag 2665: $roletag 2666: $sectag 2667: $grptag 2668: $userpicktag 2669: $grouptag 2670: </form> 2671: $end_page 2672: ENDREDIR 2673: } 2674: 2675: sub no_redirect_back { 2676: my ($r,$feedurl) = @_; 2677: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2678: 2679: my %onload; 2680: 2681: my %body_options = ('only_body' => 1, 2682: 'bgcolor' => '#FFFFFF', 2683: 'add_entries' => \%onload,); 2684: 2685: if ($feedurl !~ m{^/adm/feedback}) { 2686: $body_options{'rediect'} = [2,$feedurl]; 2687: } 2688: my $start_page= 2689: &Apache::loncommon::start_page('Feedback not sent',undef, 2690: \%body_options); 2691: 2692: my $end_page = &Apache::loncommon::end_page(); 2693: 2694: &Apache::lonenc::check_encrypt(\$feedurl); 2695: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2696: $r->print (<<ENDNOREDIRTWO); 2697: $start_page 2698: <img align="right" src="$logo" /> 2699: <b>$nofeed</b> 2700: <br /> 2701: $end_page 2702: ENDNOREDIRTWO 2703: } 2704: 2705: sub screen_header { 2706: my ($feedurl,$symb,$group) = @_; 2707: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2708: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2709: my $contribdisc = &mt('Contribution to course discussion of resource'); 2710: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2711: my $namevis = &mt('name only visible to course faculty'); 2712: my $crstype; 2713: if ($env{'request.course.id'}) { 2714: $crstype = &Apache::loncommon::course_type(); 2715: if ($crstype eq 'Community') { 2716: $crscontent = &mt('Question/Comment/Feedback about community content'); 2717: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2718: $contribdisc = &mt('Contribution to community discussion of resource'); 2719: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2720: $namevis = &mt('name only visible to community facilitators'); 2721: } 2722: } 2723: my $msgoptions=''; 2724: my $discussoptions=''; 2725: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2726: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2727: $msgoptions= 2728: '<label><input type="radio" name="discuss" value="author" /> '. 2729: &mt('Feedback to resource author').'</label><br />'; 2730: } 2731: my %optionhash=(); 2732: foreach my $type ('question','comment','policy') { 2733: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2734: } 2735: if (&feedback_available(1)) { 2736: $msgoptions.= 2737: '<label><input type="radio" name="discuss" value="question" /> '. 2738: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label><br />'; 2739: } 2740: if (&feedback_available(0,1)) { 2741: $msgoptions.= 2742: '<label><input type="radio" name="discuss" value="course" /> '. 2743: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2744: '</label><br />'; 2745: } 2746: if (&feedback_available(0,0,1)) { 2747: $msgoptions.= 2748: '<label><input type="radio" name="discuss" value="policy" /> '. 2749: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2750: '</label><br />'; 2751: } 2752: } 2753: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2754: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2755: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2756: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2757: my $realsymb = $symb; 2758: if ($symb=~/^bulletin___/) { 2759: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2760: $filename=~s|^adm/wrapper/||; 2761: $realsymb=&Apache::lonnet::symbread($filename); 2762: } 2763: if (!$blocked && &discussion_open(undef,$realsymb) && 2764: (&Apache::lonnet::allowed('pch', 2765: $env{'request.course.id'}. 2766: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2767: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2768: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2769: $contribdisc. 2770: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2771: $anoncontrib. 2772: ' <i>('.$namevis.')</i></label> '. 2773: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2774: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2775: if (!$blockblog) { 2776: $discussoptions.= &add_blog_checkbox($crstype); 2777: } 2778: } 2779: } 2780: if ($msgoptions) { 2781: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2782: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'. 2783: '<td>'.$msgoptions.'</td></tr>'; 2784: } 2785: if ($discussoptions) { 2786: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2787: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'. 2788: '<td>'.$discussoptions.'</td></tr>'; 2789: } 2790: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table(); 2791: } 2792: 2793: sub resource_output { 2794: my ($feedurl) = @_; 2795: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2796: $usersaw=~s/\<body[^\>]*\>//gi; 2797: $usersaw=~s/\<\/body\>//gi; 2798: $usersaw=~s/\<html\>//gi; 2799: $usersaw=~s/\<\/html\>//gi; 2800: $usersaw=~s/\<head\>//gi; 2801: $usersaw=~s/\<\/head\>//gi; 2802: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2803: return $usersaw; 2804: } 2805: 2806: sub clear_out_html { 2807: my ($message,$override)=@_; 2808: # Always allow the <m>-tag 2809: my %html=(M=>1); 2810: # Check if more is allowed 2811: my $cid=$env{'request.course.id'}; 2812: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2813: ($override)) { 2814: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2815: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2816: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2817: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2818: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2819: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2820: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2821: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2822: } 2823: # Do the substitution of everything that is not explicitly allowed 2824: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2825: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2826: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2827: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2828: return $message; 2829: } 2830: 2831: sub assemble_email { 2832: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2833: my %lt = &Apache::lonlocal::texthash( 2834: 'prev' => 'Previous attempts of student (if applicable)', 2835: 'orig' => 'Original screen output (if applicable)', 2836: 'corr' => 'Correct Answer(s) (if applicable)', 2837: ); 2838: if (&Apache::loncommon::course_type() eq 'Community') { 2839: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2840: } 2841: my $email=<<"ENDEMAIL"; 2842: $message 2843: ENDEMAIL 2844: my $citations=<<"ENDCITE"; 2845: <h2>$lt{'prev'}</h2> 2846: $prevattempts 2847: <br /><hr /> 2848: <h2>$lt{'orig'}</h2> 2849: $usersaw 2850: <h2>$lt{'corr'}</h2> 2851: $useranswer 2852: ENDCITE 2853: return ($email,$citations); 2854: } 2855: 2856: 2857: sub feedback_available { 2858: my ($question,$course,$policy)=@_; 2859: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2860: $course,$policy); 2861: return scalar(%to); 2862: } 2863: 2864: sub send_msg { 2865: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2866: my $status=''; 2867: my $sendsomething=0; 2868: my $restitle = &get_resource_title($symb,$feedurl); 2869: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2870: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2871: foreach my $key (keys(%to)) { 2872: if ($key) { 2873: my ($user,$domain) = split(/\:/,$key,2); 2874: if (!defined($user)) { 2875: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2876: } elsif (!defined($domain)) { 2877: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2878: } else { 2879: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2880: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2881: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2882: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2883: } else { 2884: $sendsomething++; 2885: } 2886: } 2887: } 2888: } 2889: 2890: # Records of number of feedback messages are kept under the "symb" called "_feedback" 2891: # There are two entries within the framework of a course: 2892: # - the URLs for which feedback was provided 2893: # - the total number of contributions 2894: if ($sendsomething) { 2895: my %record=&getfeedbackrecords(); 2896: my ($temp)=keys(%record); 2897: unless ($temp=~/^error\:/) { 2898: my %newrecord=(); 2899: $newrecord{'resource'}=$feedurl; 2900: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2901: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2902: $status.='<br />'.&mt('Not registered').'<br />'; 2903: } 2904: } 2905: } 2906: return ($status,$sendsomething); 2907: } 2908: 2909: # Routine to get the complete feedback records 2910: 2911: sub getfeedbackrecords { 2912: my ($uname,$udom,$course)=@_; 2913: unless ($uname) { $uname=$env{'user.name'}; } 2914: unless ($udom) { $udom=$env{'user.domain'}; } 2915: unless ($course) { $course=$env{'request.course.id'}; } 2916: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname); 2917: return %record; 2918: } 2919: 2920: # Routine to get feedback statistics 2921: 2922: sub getfeedbackstats { 2923: my %record=&getfeedbackrecords(@_); 2924: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 2925: } 2926: 2927: # Store feedback credit 2928: 2929: sub storefeedbackpoints { 2930: my ($points,$uname,$udom,$course)=@_; 2931: unless ($points) { $points=0; } 2932: unless ($uname) { $uname=$env{'user.name'}; } 2933: unless ($udom) { $udom=$env{'user.domain'}; } 2934: unless ($course) { $course=$env{'request.course.id'}; } 2935: my %record=('grader_user' => $env{'user.name'}, 2936: 'grader_domain' => $env{'user.domain'}, 2937: 'points' => $points); 2938: return &Apache::lonnet::cstore(\%record,'_feedback'); 2939: } 2940: 2941: # Store feedback "likes" 2942: 2943: sub storefeedbacklikes { 2944: my ($likes,$uname,$udom,$course)=@_; 2945: unless ($likes) { $likes=0; } 2946: if ($likes>0) { $likes=1; } 2947: if ($likes<0) { $likes=-1; } 2948: unless ($uname) { $uname=$env{'user.name'}; } 2949: unless ($udom) { $udom=$env{'user.domain'}; } 2950: unless ($course) { $course=$env{'request.course.id'}; } 2951: my %record=&getfeedbackrecords($uname,$udom,$course); 2952: my $totallikes=$record{'totallikes'}; 2953: $totallikes+=$likes; 2954: my %newrecord=('likes_user' => $env{'user.name'}, 2955: 'likes_domain' => $env{'user.domain'}, 2956: 'likes' => $likes, 2957: 'totallikes' => $totallikes); 2958: return &Apache::lonnet::cstore(\%newrecord,'_feedback'); 2959: } 2960: 2961: 2962: sub adddiscuss { 2963: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2964: my $status=''; 2965: my $realsymb; 2966: if ($symb=~/^bulletin___/) { 2967: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2968: $filename=~s|^adm/wrapper/||; 2969: $realsymb=&Apache::lonnet::symbread($filename); 2970: } 2971: my ($cnum,$cdom); 2972: if ($env{'request.course.id'}) { 2973: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2974: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2975: } 2976: if (&discussion_open(undef,$realsymb) && 2977: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2978: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2979: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2980: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2981: 2982: my %contrib=('message' => $email, 2983: 'sendername' => $env{'user.name'}, 2984: 'senderdomain' => $env{'user.domain'}, 2985: 'screenname' => $env{'environment.screenname'}, 2986: 'plainname' => $env{'environment.firstname'}.' '. 2987: $env{'environment.middlename'}.' '. 2988: $env{'environment.lastname'}.' '. 2989: $env{'enrironment.generation'}, 2990: 'attachmenturl'=> $attachmenturl, 2991: 'subject' => $subject); 2992: if ($env{'form.replydisc'}) { 2993: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2994: } 2995: if ($anon) { 2996: $contrib{'anonymous'}='true'; 2997: } 2998: if (($symb) && ($email)) { 2999: my $now = time; 3000: if ($env{'form.editdisc'}) { 3001: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 3002: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 3003: $contrib{'timestamp'} = $now; 3004: $contrib{'history'} = ''; 3005: my $numoldver = 0; 3006: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 3007: &Apache::lonenc::check_decrypt(\$oldsymb); 3008: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3009: # get timestamp for last post and history 3010: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 3011: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3012: $env{'course.'.$env{'request.course.id'}.'.num'}); 3013: if (defined($oldcontrib{$oldidx.':replyto'})) { 3014: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 3015: } 3016: if (defined($oldcontrib{$oldidx.':history'})) { 3017: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 3018: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 3019: $numoldver = @oldversions; 3020: } else { 3021: $numoldver = 1; 3022: } 3023: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 3024: } 3025: my $numnewver = $numoldver + 1; 3026: if (defined($oldcontrib{$oldidx.':subject'})) { 3027: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 3028: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3029: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 3030: } else { 3031: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3032: } 3033: } 3034: if (defined($oldcontrib{$oldidx.':message'})) { 3035: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 3036: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3037: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 3038: } else { 3039: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3040: } 3041: } 3042: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 3043: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 3044: $oldsymb,$oldidx,\%contrib, 3045: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3046: $env{'course.'.$env{'request.course.id'}.'.num'}); 3047: $status='Editing class discussion'.($anon?' (anonymous)':''); 3048: } else { 3049: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 3050: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 3051: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3052: $env{'course.'.$env{'request.course.id'}.'.num'}); 3053: } 3054: my %storenewentry=($symb => $now); 3055: $status.='<br />'.&mt('Updating discussion time').': '. 3056: &Apache::lonnet::put('discussiontimes',\%storenewentry, 3057: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3058: $env{'course.'.$env{'request.course.id'}.'.num'}); 3059: } 3060: my %record=&getdiscussionrecords(); 3061: my ($temp)=keys(%record); 3062: unless ($temp=~/^error\:/) { 3063: my %newrecord=(); 3064: $newrecord{'resource'}=$symb; 3065: $newrecord{'subnumber'}=$record{'subnumber'}+1; 3066: $status.='<br />'.&mt('Registering').': '. 3067: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3068: } 3069: } else { 3070: $status.='Failed.'; 3071: } 3072: return $status.'<br />'; 3073: } 3074: 3075: 3076: # Routine to get the complete discussion records 3077: 3078: sub getdiscussionrecords { 3079: my ($uname,$udom,$course)=@_; 3080: unless ($uname) { $uname=$env{'user.name'}; } 3081: unless ($udom) { $udom=$env{'user.domain'}; } 3082: unless ($course) { $course=$env{'request.course.id'}; } 3083: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname); 3084: return %record; 3085: } 3086: 3087: # Routine to get discussion statistics 3088: 3089: sub getdiscussionstats { 3090: my %record=&getdiscussionrecords(@_); 3091: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 3092: } 3093: 3094: 3095: # Store discussion credit 3096: 3097: sub storediscussionpoints { 3098: my ($points,$uname,$udom,$course)=@_; 3099: unless ($points) { $points=0; } 3100: unless ($uname) { $uname=$env{'user.name'}; } 3101: unless ($udom) { $udom=$env{'user.domain'}; } 3102: unless ($course) { $course=$env{'request.course.id'}; } 3103: my %record=('grader_user' => $env{'user.name'}, 3104: 'grader_domain' => $env{'user.domain'}, 3105: 'points' => $points); 3106: return &Apache::lonnet::cstore(\%record,'_discussion'); 3107: } 3108: 3109: # Store discussion "likes" 3110: 3111: sub storediscussionlikes { 3112: my ($likes,$uname,$udom,$course)=@_; 3113: unless ($likes) { $likes=0; } 3114: if ($likes>0) { $likes=1; } 3115: if ($likes<0) { $likes=-1; } 3116: unless ($uname) { $uname=$env{'user.name'}; } 3117: unless ($udom) { $udom=$env{'user.domain'}; } 3118: unless ($course) { $course=$env{'request.course.id'}; } 3119: my %record=&getdiscussionrecords($uname,$udom,$course); 3120: my $totallikes=$record{'totallikes'}; 3121: $totallikes+=$likes; 3122: my %newrecord=('likes_user' => $env{'user.name'}, 3123: 'likes_domain' => $env{'user.domain'}, 3124: 'likes' => $likes, 3125: 'totallikes' => $totallikes); 3126: return &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3127: } 3128: 3129: sub get_discussion_info { 3130: my ($idx,%contrib) = @_; 3131: my $changelast = 0; 3132: my $count = 0; 3133: my $hiddenflag = 0; 3134: my $deletedflag = 0; 3135: my ($hidden,$deleted,%info,$newlastdisc); 3136: my $version = $contrib{'version'}; 3137: if ($version) { 3138: for (my $id=$version; $id>0; $id--) { 3139: my $vkeys=$contrib{$id.':keys'}; 3140: my @keys=split(/:/,$vkeys); 3141: if (grep(/^hidden$/,@keys)) { 3142: if (!$hiddenflag) { 3143: $hidden = $contrib{$id.':hidden'}; 3144: $hiddenflag = 1; 3145: } 3146: } elsif (grep(/^deleted$/,@keys)) { 3147: if (!$deletedflag) { 3148: $deleted = $contrib{$id.':deleted'}; 3149: $deletedflag = 1; 3150: } 3151: } else { 3152: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 3153: $count++; 3154: $info{$count}{'id'} = $id; 3155: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 3156: } 3157: } 3158: } 3159: if ($info{'1'}{'id'} == $idx) { 3160: $changelast = 1; 3161: if ($count > 1) { 3162: $newlastdisc = $info{'2'}{'timestamp'}; 3163: } else { 3164: $newlastdisc = 0; 3165: } 3166: } 3167: } 3168: return ($changelast,$newlastdisc); 3169: } 3170: 3171: # ----------------------------------------------------------- Preview function 3172: 3173: sub show_preview { 3174: my ($r) = @_; 3175: &Apache::loncommon::content_type($r,'text/html'); 3176: $r->send_http_header; 3177: my $start_page= 3178: &Apache::loncommon::start_page('Preview',undef, 3179: {'only_body' => 1,}); 3180: 3181: my $message=&clear_out_html($env{'form.comment'}); 3182: &newline_to_br(\$message); 3183: $message=&Apache::lonspeller::markeduptext($message); 3184: $message=&Apache::lontexconvert::msgtexconverted($message); 3185: my $subject=&clear_out_html($env{'form.subject'}); 3186: $subject=~s/\n/\<br \/\>/g; 3187: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3188: 3189: my $end_page = &Apache::loncommon::end_page(); 3190: 3191: $r->print($start_page 3192: .'<h1>'.&mt('Preview').'</h1>' 3193: .&Apache::lonhtmlcommon::start_pick_box() 3194: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3195: .$subject 3196: .&Apache::lonhtmlcommon::row_closure() 3197: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3198: .$message 3199: .&Apache::lonhtmlcommon::row_closure(1) 3200: .&Apache::lonhtmlcommon::end_pick_box() 3201: .$end_page 3202: ); 3203: } 3204: 3205: sub contains_block_html { 3206: my ($message)=@_; 3207: return ($message =~ m{ 3208: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3209: \s* 3210: (\w+\=['"]\w+['"])* 3211: \s* 3212: ( 3213: \s*/>| 3214: >.*</\1\s*> 3215: )}xs 3216: ); 3217: } 3218: 3219: sub tidy_html { 3220: my ($message)=@_; 3221: # my $tidy = HTML::Tidy::libXML->new(); 3222: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3223: # $xhtml =~ m/<body>(.*)<\/body>/is; 3224: # my $clean = $1; 3225: # # remove any empty block-level tags 3226: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3227: # $message=$clean; 3228: return $message; 3229: } 3230: 3231: sub newline_to_br { 3232: my ($message)=@_; 3233: my $newmessage; 3234: my $parser=HTML::LCParser->new($message); 3235: while (my $token=$parser->get_token()) { 3236: if ($token->[0] eq 'T') { 3237: my $text=$token->[1]; 3238: $text=~s/\n/\<br \/\>/g; 3239: $newmessage.=$text; 3240: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3241: $newmessage.=$token->[1]; 3242: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3243: $newmessage.=$token->[2]; 3244: } elsif ($token->[0] eq 'S') { 3245: $newmessage.=$token->[4]; 3246: } 3247: 3248: } 3249: $$message=$newmessage; 3250: } 3251: 3252: sub generate_preview_button { 3253: my ($formname,$fieldname)=@_; 3254: unless ($formname) { $formname='mailform'; } 3255: unless ($fieldname) { $fieldname='comment'; } 3256: my $pre=&mt("Show Preview and Check Spelling"); 3257: return(<<ENDPREVIEW); 3258: <br /> 3259: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3260: <input type="hidden" name="subject" /> 3261: <input type="hidden" name="comment" /> 3262: <input type="button" value="$pre" 3263: 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();" /> 3264: </form> 3265: ENDPREVIEW 3266: } 3267: 3268: sub modify_attachments { 3269: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3270: $attachmaxtext,$toolarge)=@_; 3271: 3272: my %lt = &Apache::lonlocal::texthash( 3273: 'subj' => 'Subject', 3274: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3275: 'chth' => 'Check the checkboxes for any you wish to remove.', 3276: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3277: 'adda' => 'Add a new attachment to this post.', 3278: 'stch' => 'Save Changes', 3279: ); 3280: my $js = <<END; 3281: <script type="text/javascript"> 3282: function setAction () { 3283: document.modattachments.action = document.modattachments.origpage.value; 3284: document.modattachments.submit(); 3285: } 3286: </script> 3287: END 3288: 3289: # Breadcrumbs 3290: my $brcrum = [{'href' => '', 3291: 'text' => 'Discussion Post Attachments'}]; 3292: my %parms=(); 3293: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3294: 3295: my $start_page = 3296: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3297: 3298: my $orig_subject = &unescape($env{'form.subject'}); 3299: my $subject=&clear_out_html($orig_subject); 3300: $subject=~s/\n/\<br \/\>/g; 3301: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3302: my $timestamp=$env{'form.timestamp'}; 3303: my $numoldver=$env{'form.numoldver'}; 3304: 3305: my $msg = ''; 3306: my %attachments = (); 3307: my %currattach = (); 3308: if ($idx) { 3309: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3310: } 3311: &Apache::lonenc::check_encrypt(\$symb); 3312: 3313: my $end_page = 3314: &Apache::loncommon::end_page(); 3315: 3316: $r->print(<<END); 3317: $start_page 3318: $toolarge 3319: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3320: <br /> 3321: <table class="LC_data_table"> 3322: <tr> 3323: <td colspan="2"> 3324: <b>Subject:</b> <b>$subject</b><br /><br /> 3325: END 3326: if ($idx) { 3327: if ($attachmenturls) { 3328: my @currold = keys(%currattach); 3329: if (@currold > 0) { 3330: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3331: foreach my $id (@currold) { 3332: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3333: $attachurl =~ m#/([^/]+)$#; 3334: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3335: } 3336: $r->print("<br />"); 3337: } 3338: } 3339: } 3340: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3341: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3342: foreach my $attach (@{$currnewattach}) { 3343: $attach =~ m#/([^/]+)$#; 3344: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3345: } 3346: $r->print("<br />"); 3347: } 3348: $r->print(<<END); 3349: </td></tr> 3350: <tr> 3351: <td> 3352: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3353: </td> 3354: </tr> 3355: <tr> 3356: <td colspan="2">$attachmaxtext</td> 3357: </tr> 3358: </table> 3359: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3360: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3361: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3362: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3363: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3364: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3365: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3366: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3367: END 3368: foreach my $item (@{$currnewattach}) { 3369: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3370: } 3371: foreach my $item (@{$currdelold}) { 3372: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3373: } 3374: $r->print(<<END); 3375: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3376: </form> 3377: $end_page 3378: END 3379: return; 3380: } 3381: 3382: sub process_attachments { 3383: my ($currnewattach,$currdelold,$keepold) = @_; 3384: 3385: @{$currnewattach}= 3386: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3387: @{$currdelold}= 3388: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3389: if (exists($env{'form.delnewattach'})) { 3390: my @currdelnew = 3391: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3392: my @currnew = (); 3393: foreach my $newone (@{$currnewattach}) { 3394: my $delflag = 0; 3395: foreach my $item (@currdelnew) { 3396: if ($newone eq $item) { 3397: $delflag = 1; 3398: last; 3399: } 3400: } 3401: unless ($delflag) { 3402: push(@currnew, $newone); 3403: } 3404: } 3405: @{$currnewattach} = @currnew; 3406: } 3407: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3408: } 3409: 3410: sub generate_attachments_button { 3411: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3412: $numoldver,$mode,$blockblog) = @_; 3413: my $origpage = $ENV{'REQUEST_URI'}; 3414: my $att=$attachnum.' '.&mt("attachments"); 3415: my %lt = &Apache::lonlocal::texthash( 3416: 'clic' => 'Click to add/remove attachments', 3417: ); 3418: my $response = (<<END); 3419: <br /> 3420: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3421: $lt{'clic'}: <input type="button" value="$att" 3422: 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); 3423: END 3424: if (!$blockblog) { 3425: $response .= 'setblogvalue();'; 3426: } 3427: unless ($mode eq 'board') { 3428: $response .= 'javascript:anonchk();'; 3429: } 3430: $response .= (<<ENDATTACH); 3431: this.form.submit();" /> 3432: <input type="hidden" name="origpage" value="$origpage" /> 3433: <input type="hidden" name="idx" value="$idx" /> 3434: <input type="hidden" name="timestamp" value="$now" /> 3435: <input type="hidden" name="subject" /> 3436: <input type="hidden" name="comment" /> 3437: <input type="hidden" name="blog" value="0" /> 3438: <input type="hidden" name="discuss" value="0" /> 3439: <input type="hidden" name="numoldver" value="$numoldver" /> 3440: ENDATTACH 3441: if (defined($deloldattach)) { 3442: if (@{$deloldattach} > 0) { 3443: foreach my $delatt (@{$deloldattach}) { 3444: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3445: } 3446: } 3447: } 3448: if (defined($currnewattach)) { 3449: if (@{$currnewattach} > 0) { 3450: foreach my $attach (@{$currnewattach}) { 3451: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3452: } 3453: } 3454: } 3455: $response .= '</form>'; 3456: return $response; 3457: } 3458: 3459: sub extract_attachments { 3460: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3461: %{$attachments}=(); 3462: &get_post_attachments($attachments,$attachmenturls); 3463: foreach my $id (sort(keys(%{$attachments}))) { 3464: if (exists($$attachments{$id}{$numoldver})) { 3465: if (defined($currdelold)) { 3466: if (@{$currdelold} > 0) { 3467: unless (grep/^$id$/,@{$currdelold}) { 3468: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3469: } 3470: } else { 3471: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3472: } 3473: } else { 3474: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3475: } 3476: } 3477: } 3478: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3479: if (@attached == 1) { 3480: my $id = $attached[0]; 3481: my $attachurl; 3482: if ($attachmenturls =~ m/^<attachment id="0">/) { 3483: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3484: } else { 3485: $attachurl = $$attachments{$id}{'filename'}; 3486: } 3487: $attachurl=~m|/([^/]+)$|; 3488: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3489: $1.'</tt></a><br />'; 3490: &Apache::lonnet::allowuploaded('/adm/feedback', 3491: $attachurl); 3492: } elsif (@attached > 1) { 3493: $$message.='<ol>'; 3494: foreach my $attach (@attached) { 3495: my $id = $attach; 3496: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3497: my ($fname) 3498: =($attachurl=~m|/([^/]+)$|); 3499: $$message .= '<li><a href="'.$attachurl. 3500: '"><tt>'. 3501: $fname.'</tt></a></li>'; 3502: &Apache::lonnet::allowuploaded('/adm/feedback', 3503: $attachurl); 3504: } 3505: $$message .= '</ol>'; 3506: } 3507: } 3508: 3509: sub construct_attachmenturl { 3510: my ($currnewattach,$keepold,$symb,$idx)=@_; 3511: my $oldattachmenturl; 3512: my $newattachmenturl; 3513: my $startnum = 0; 3514: my $currver = 0; 3515: if (($env{'form.editdisc'}) && ($idx)) { 3516: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3517: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3518: $env{'course.'.$env{'request.course.id'}.'.num'}); 3519: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3520: if ($contrib{$idx.':history'}) { 3521: if ($contrib{$idx.':history'} =~ /:/) { 3522: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3523: $currver = 1 + scalar(@oldversions); 3524: } else { 3525: $currver = 2; 3526: } 3527: } else { 3528: $currver = 1; 3529: } 3530: if ($oldattachmenturl) { 3531: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3532: my %attachments = (); 3533: my $prevver = $currver-1; 3534: &get_post_attachments(\%attachments,$oldattachmenturl); 3535: my $numattach = scalar(keys(%attachments)); 3536: $startnum += $numattach; 3537: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3538: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3539: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3540: unless ($item eq 'filename') { 3541: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3542: } 3543: } 3544: if (grep/^$num$/,@{$keepold}) { 3545: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3546: } 3547: $newattachmenturl .= '</attachment>'; 3548: } 3549: } else { 3550: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3551: unless (grep/^0$/,@{$keepold}) { 3552: $newattachmenturl .= '<post id="1">n</post>'; 3553: } 3554: $newattachmenturl .= '</attachment>'; 3555: $startnum ++; 3556: } 3557: } 3558: } 3559: for (my $i=0; $i<@{$currnewattach}; $i++) { 3560: my $attachnum = $startnum + $i; 3561: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3562: } 3563: return $newattachmenturl; 3564: } 3565: 3566: sub add_blog_checkbox { 3567: my ($crstype) = @_; 3568: my $checkstatus; 3569: if ($env{'form.blog'}) { 3570: $checkstatus = 'checked="checked"'; 3571: } 3572: my $output = ' 3573: <script type="text/javascript"> 3574: function setblogvalue() { 3575: if (document.mailform.blog.checked) { 3576: document.attachment.blog.value = 1; 3577: } else { 3578: document.attachment.blog.value = 0; 3579: } 3580: } 3581: </script><br /> 3582: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3583: if ($crstype eq 'Community') { 3584: $output .= &mt('Add to my public community blog'); 3585: } else { 3586: $output .= &mt('Add to my public course blog'); 3587: } 3588: $output .= '</label><br />'."\n"; 3589: return $output; 3590: } 3591: 3592: sub has_discussion { 3593: my $resourcesref = shift; 3594: my $navmap = Apache::lonnavmaps::navmap->new(); 3595: if (defined($navmap)) { 3596: my @allres=$navmap->retrieveResources(); 3597: foreach my $resource (@allres) { 3598: if ($resource->hasDiscussion()) { 3599: my $ressymb = $resource->wrap_symb(); 3600: if (ref($resourcesref) eq 'ARRAY') { 3601: push(@{$resourcesref}, $ressymb); 3602: } 3603: } 3604: } 3605: } else { 3606: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3607: } 3608: return; 3609: } 3610: 3611: sub sort_filter_names { 3612: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3613: if (ref($sort_types) eq 'HASH') { 3614: %{$sort_types} = ( 3615: ascdate => 'Date order - oldest first', 3616: descdate => 'Date order - newest first', 3617: thread => 'Threaded', 3618: subject => 'By subject', 3619: username => 'By domain and username', 3620: lastfirst => 'By last name, first name' 3621: ); 3622: } 3623: my @courseroles = qw(st in ta ep ad); 3624: if ($crstype eq 'Community') { 3625: push(@courseroles,'co'); 3626: } else { 3627: push(@courseroles,'cc'); 3628: } 3629: if (ref($role_types) eq 'HASH') { 3630: foreach my $role (@courseroles) { 3631: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3632: } 3633: $role_types->{'all'} = 'All roles'; 3634: $role_types->{'cr'} = 'Custom role'; 3635: } 3636: if (ref($status_types) eq 'HASH') { 3637: %{$status_types} = ( 3638: all => 'Roles of any status', 3639: Active => 'Only active roles', 3640: Expired => 'Only past roles', 3641: Future => 'Only future roles', 3642: ); 3643: } 3644: } 3645: 3646: sub handler { 3647: my $r = shift; 3648: if ($r->header_only) { 3649: &Apache::loncommon::content_type($r,'text/html'); 3650: $r->send_http_header; 3651: return OK; 3652: } 3653: 3654: # --------------------------- Get query string for limited number of parameters 3655: 3656: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3657: ['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']); 3658: my $group = $env{'form.group'}; 3659: my %attachmax = ( 3660: text => &mt('(128 KB max size)'), 3661: num => 131072, 3662: ); 3663: if ($env{'form.editdisc'}) { 3664: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3665: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3666: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3667: my $feedurl=&Apache::lonnet::clutter($url); 3668: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3669: undef,undef,undef,$group); 3670: return OK; 3671: } 3672: } 3673: if ($env{'form.discsymb'}) { 3674: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3675: my $readkey = $symb.'_read'; 3676: my $chgcount = 0; 3677: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3678: foreach my $key (keys(%env)) { 3679: if ($key =~ m/^form\.postunread_(\d+)/) { 3680: if ($readinghash{$readkey} =~ /\.$1\./) { 3681: $readinghash{$readkey} =~ s/\.$1\.//; 3682: $chgcount ++; 3683: } 3684: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3685: unless ($readinghash{$readkey} =~ /\.$1\./) { 3686: $readinghash{$readkey} .= '.'.$1.'.'; 3687: $chgcount ++; 3688: } 3689: } 3690: } 3691: if ($chgcount > 0) { 3692: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3693: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3694: } 3695: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3696: '0','0','','',$env{'form.previous'},'','','', 3697: undef,undef,undef,$group); 3698: return OK; 3699: } 3700: if ($env{'form.allversions'}) { 3701: &Apache::loncommon::content_type($r,'text/html'); 3702: &Apache::loncommon::no_cache($r); 3703: $r->send_http_header; 3704: 3705: # Breadcrumbs 3706: my $brcrum = [{'href' => '', 3707: 'text' => 'Discussion Post Versions'}]; 3708: 3709: my %parms=(); 3710: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3711: 3712: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3713: 3714: my $crs='/'.$env{'request.course.id'}; 3715: if ($env{'request.course.sec'}) { 3716: $crs.='_'.$env{'request.course.sec'}; 3717: } 3718: $crs=~s|_|/|g; 3719: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3720: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3721: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3722: ($symb)=&get_feedurl_and_clean_symb($symb); 3723: my $ressymb = &wrap_symb($symb); 3724: my $group = $env{'form.group'}; 3725: my $seeid; 3726: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3727: if (&check_group_priv($group,'dgp') eq 'ok') { 3728: $seeid = 1; 3729: } 3730: } else { 3731: $seeid = &Apache::lonnet::allowed('rin',$crs); 3732: } 3733: if ($idx > 0) { 3734: my %messages = (); 3735: my %subjects = (); 3736: my %attachmsgs = (); 3737: my %allattachments = (); 3738: my %imsfiles = (); 3739: my ($screenname,$plainname); 3740: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3741: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3742: $env{'course.'.$env{'request.course.id'}.'.num'}); 3743: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3744: } 3745: $r->print(&Apache::loncommon::end_page()); 3746: return OK; 3747: } 3748: if ($env{'form.posterlist'}) { 3749: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3750: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3751: $env{'form.sortposts'}); 3752: return OK; 3753: } 3754: if ($env{'form.userpick'}) { 3755: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3756: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3757: my $numpicks = @posters; 3758: my %discinfo; 3759: $discinfo{$symb.'_userpick'} = join('&',@posters); 3760: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3761: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3762: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3763: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3764: '',$numpicks,$group); 3765: return OK; 3766: } 3767: if ($env{'form.applysort'}) { 3768: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3769: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3770: '',$env{'form.previous'},$env{'form.sortposts'}, 3771: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3772: $env{'form.sectionpick'},$env{'form.grouppick'}, 3773: undef,$group); 3774: return OK; 3775: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3776: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3777: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3778: return OK; 3779: } elsif ($env{'form.navtime'}) { 3780: my %discinfo = (); 3781: my @resources = (); 3782: if (defined($env{'form.navmaps'})) { 3783: if ($env{'form.navmaps'} =~ /:/) { 3784: @resources = split(/:/,$env{'form.navmaps'}); 3785: } else { 3786: @resources = ("$env{'form.navmaps'}"); 3787: } 3788: } else { 3789: &has_discussion(\@resources); 3790: } 3791: my $numitems = @resources; 3792: my $feedurl = '/adm/navmaps'; 3793: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3794: my %lt = &Apache::lonlocal::texthash( 3795: 'mnpa' => 'Marked "New" posts as read in a total of', 3796: 'robb' => 'resources/bulletin boards.', 3797: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3798: ); 3799: foreach my $res (@resources) { 3800: my $ressymb=$res; 3801: &Apache::lonenc::check_decrypt(\$ressymb); 3802: my $lastkey = $ressymb.'_lastread'; 3803: $discinfo{$lastkey} = $env{'form.navtime'}; 3804: } 3805: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3806: if ($numitems > 0) { 3807: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3808: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3809: } else { 3810: $textline = "<b>$lt{'twnp'}</b>"; 3811: } 3812: &Apache::loncommon::content_type($r,'text/html'); 3813: $r->send_http_header; 3814: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3815: my %onload; 3816: 3817: my $start_page= 3818: &Apache::loncommon::start_page('New posts marked as read',undef, 3819: {'redirect' => [2,$feedurl], 3820: 'only_body' => 1, 3821: 'add_entries' => \%onload}); 3822: my $end_page = &Apache::loncommon::end_page(); 3823: $r->print (<<ENDREDIR); 3824: $start_page 3825: <img align="right" src="$logo" /> 3826: $textline 3827: <form name="reldt" action="$feedurl" target="loncapaclient"> 3828: </form> 3829: <br /> 3830: $end_page 3831: ENDREDIR 3832: return OK; 3833: } elsif ($env{'form.modifydisp'}) { 3834: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3835: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3836: split(/_/,$env{'form.changes'}); 3837: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3838: $dispchgB,$markchg,$toggchg,$feedurl); 3839: return OK; 3840: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3841: $env{'form.allposts'} || $env{'form.onlyunread'} || 3842: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3843: $env{'form.toggon'} || $env{'form.markread'}) { 3844: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3845: my %discinfo; 3846: # ------------------------ Modify setting for read/unread toggle for each post 3847: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3848: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3849: # --------- Modify setting for identification of 'NEW' posts in this discussion 3850: if ($env{'form.markondisp'}) { 3851: $discinfo{$symb.'_lastread'} = time; 3852: $discinfo{$symb.'_markondisp'} = 1; 3853: } 3854: if ($env{'form.markonread'}) { 3855: if ( $env{'form.previous'} > 0 ) { 3856: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3857: } 3858: $discinfo{$symb.'_markondisp'} = 0; 3859: } 3860: # --------------------------------- Modify display setting for this discussion 3861: if ($env{'form.allposts'}) { 3862: $discinfo{$symb.'_showonlyunread'} = 0; 3863: $discinfo{$symb.'_showonlyunmark'} = 0; 3864: } 3865: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3866: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3867: # ----------------------------------------------------- Mark new posts not NEW 3868: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3869: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3870: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3871: my $previous=$env{'form.previous'}; 3872: if ($env{'form.markondisp'}) { $previous=undef; } 3873: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3874: '0','0','','',$previous,'','','','','','',$group); 3875: return OK; 3876: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3877: # ----------------------------------------------------------------- Hide/unhide 3878: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3879: my ($symb,$idx)=split(/\:\:\:/,$entry); 3880: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3881: 3882: my $crs='/'.$env{'request.course.id'}; 3883: if ($env{'request.course.sec'}) { 3884: $crs.='_'.$env{'request.course.sec'}; 3885: } 3886: $crs=~s/\_/\//g; 3887: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3888: 3889: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3890: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3891: undef,undef,$group,); 3892: return OK; 3893: } 3894: 3895: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3896: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3897: $env{'course.'.$env{'request.course.id'}.'.num'}); 3898: 3899: my $currenthidden=$contrib{'hidden'}; 3900: my $currentstudenthidden=$contrib{'studenthidden'}; 3901: 3902: if ($env{'form.hide'}) { 3903: $currenthidden.='.'.$idx.'.'; 3904: unless ($seeid) { 3905: $currentstudenthidden.='.'.$idx.'.'; 3906: } 3907: } else { 3908: $currenthidden=~s/\.$idx\.//g; 3909: } 3910: my %newhash=('hidden' => $currenthidden); 3911: if ( ($env{'form.hide'}) && (!$seeid) ) { 3912: $newhash{'studenthidden'} = $currentstudenthidden; 3913: } 3914: if ($env{'form.hide'}) { 3915: my $changelast = 0; 3916: my $newlast; 3917: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3918: if ($changelast) { 3919: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3920: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3921: $env{'course.'.$env{'request.course.id'}.'.num'}); 3922: } 3923: } 3924: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3925: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3926: $env{'course.'.$env{'request.course.id'}.'.num'}); 3927: 3928: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3929: '0','0','','',$env{'form.previous'},undef,undef,undef, 3930: undef,undef,undef,$group); 3931: return OK; 3932: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { 3933: # ----------------------------------------------------------------- Like/unlike 3934: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; 3935: my ($symb,$idx)=split(/\:\:\:/,$entry); 3936: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3937: # 3938: # Likes and unlikes are in db-file "disclikes" of the course 3939: # The prefix is the $symb to identify the resource discussion, 3940: # and the $idx to identify the entry 3941: # 3942: my $prefix=$symb.':'.$idx.':'; 3943: my %contrib=&Apache::lonnet::dump('disclikes', 3944: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3945: $env{'course.'.$env{'request.course.id'}.'.num'}, 3946: '^'.$prefix); 3947: # Get all who like or unlike this 3948: my $currentlikers=$contrib{$prefix.'likers'}; 3949: my $currentunlikers=$contrib{$prefix.'unlikers'}; 3950: # Get the current "likes" count 3951: my $likes=$contrib{$prefix.'likes'}; 3952: # Find out if they already voted 3953: # Users cannot like a post twice, or unlike it twice. They can change their mind, though 3954: my $alreadyflag=0; 3955: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 3956: if ($env{'form.like'}) { 3957: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 3958: $alreadyflag=1; 3959: } else { 3960: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 3961: $currentunlikers=~s/\,\Q$thisuser\E\,//g; 3962: } else { 3963: $currentlikers.=','.$thisuser.','; 3964: } 3965: $likes++; 3966: } 3967: } else { 3968: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 3969: $alreadyflag=1; 3970: } else { 3971: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 3972: $currentlikers=~s/\,\Q$thisuser\E\,//g; 3973: } else { 3974: $currentunlikers.=','.$thisuser.','; 3975: } 3976: $likes--; 3977: } 3978: } 3979: my $result; 3980: # $alreadyflag would be 1 if they tried to double-like or double-unlike 3981: unless ($alreadyflag) { 3982: my %newhash=($prefix.'likes' => $likes, 3983: $prefix.'likers' => $currentlikers, 3984: $prefix.'unlikers' => $currentunlikers); 3985: # Store data in db-file "disclikes" 3986: if (&Apache::lonnet::put('disclikes', 3987: \%newhash, 3988: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3989: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 3990: # Also store with the person who posted the liked/unliked entry 3991: if ($env{'form.like'}) { 3992: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 3993: $result=&mt("Registered 'Like'"); 3994: } else { 3995: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 3996: $result=&mt("Registered 'Unlike'"); 3997: } 3998: } else { 3999: # Oops, something went wrong 4000: $result=&mt("Failed to register vote"); 4001: } 4002: } 4003: &redirect_back($r,$feedurl,$result.'<br />', 4004: '0','0','','',$env{'form.previous'},undef,undef,undef, 4005: undef,undef,undef,$group); 4006: return OK; 4007: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 4008: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 4009: if ($env{'form.cmd'} eq 'threadedon') { 4010: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 4011: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 4012: } else { 4013: &Apache::lonnet::del('environment',['threadeddiscussion']); 4014: &Apache::lonnet::delenv('environment.threadeddiscussion'); 4015: } 4016: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 4017: '0','0','','',$env{'form.previous'},undef,undef,undef, 4018: undef,undef,undef,$group); 4019: return OK; 4020: } elsif ($env{'form.deldisc'}) { 4021: # --------------------------------------------------------------- Hide for good 4022: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 4023: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 4024: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4025: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4026: $env{'course.'.$env{'request.course.id'}.'.num'}); 4027: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 4028: if ($changelast) { 4029: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 4030: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 4031: } 4032: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 4033: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 4034: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4035: $env{'course.'.$env{'request.course.id'}.'.num'}); 4036: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 4037: '0','0','','',$env{'form.previous'},undef,undef,undef, 4038: undef,undef,undef,$group); 4039: return OK; 4040: } elsif ($env{'form.preview'}) { 4041: # -------------------------------------------------------- User wants a preview 4042: &show_preview($r); 4043: return OK; 4044: } elsif ($env{'form.attach'}) { 4045: # -------------------------------------------------------- Work on attachments 4046: &Apache::loncommon::content_type($r,'text/html'); 4047: $r->send_http_header; 4048: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 4049: my (@currnewattach,@currdelold,@keepold,$toolarge); 4050: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 4051: if (exists($env{'form.addnewattach.filename'})) { 4052: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 4053: my $subdir = 'feedback/'.$env{'form.timestamp'}; 4054: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 4055: push(@currnewattach, $newattachment); 4056: } else { 4057: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4058: } 4059: } 4060: my $attachmenturls; 4061: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 4062: my $idx = $env{'form.idx'}; 4063: if ($idx) { 4064: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4065: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4066: $env{'course.'.$env{'request.course.id'}.'.num'}); 4067: $attachmenturls = $contrib{$idx.':attachmenturl'}; 4068: } 4069: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 4070: $attachmenturls,$attachmax{'text'},$toolarge); 4071: return OK; 4072: } elsif ($env{'form.export'}) { 4073: &Apache::loncommon::content_type($r,'text/html'); 4074: $r->send_http_header; 4075: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 4076: my $mode='board'; 4077: my $status='OPEN'; 4078: my $previous=$env{'form.previous'}; 4079: if ($feedurl =~ /$LONCAPA::assess_re/) { 4080: $mode='problem'; 4081: $status=$Apache::inputtags::status[-1]; 4082: } 4083: my $discussion = &list_discussion($mode,$status,$symb); 4084: my $start_page = 4085: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 4086: my $end_page = 4087: &Apache::loncommon::end_page(); 4088: $r->print($start_page.$discussion.$end_page); 4089: return OK; 4090: 4091: } elsif ($env{'form.undeleteall'}) { 4092: &Apache::loncommon::content_type($r,'text/html'); 4093: $r->send_http_header; 4094: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.undeleteall'}); 4095: $r->print(&Apache::loncommon::start_page('Undelete all deleted discussion entries')); 4096: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) { 4097: if (&Apache::lonnet::store({'deleted' => ''},$symb,$env{'request.course.id'}, 4098: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4099: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 4100: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries"))); 4101: } else { 4102: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1)); 4103: } 4104: $r->print("<br /><a href='$feedurl'>".&mt("Return and reload")."</a>"); 4105: } 4106: $r->print(&Apache::loncommon::end_page()); 4107: return OK; 4108: } else { 4109: # ------------------------------------------------------------- Normal feedback 4110: my $feedurl=$env{'form.postdata'}; 4111: $feedurl=~s/^https?\:\/\///; 4112: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 4113: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 4114: $feedurl=~s/\?.+$//; 4115: 4116: my $symb; 4117: if ($env{'form.replydisc'}) { 4118: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 4119: } elsif ($env{'form.editdisc'}) { 4120: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 4121: } elsif ($env{'form.origpage'}) { 4122: $symb=""; 4123: } elsif ($env{'form.sendmessageonly'}) { 4124: $symb=(split(/\:\:\:/,$env{'form.sendmessageonly'}))[0]; 4125: } else { 4126: $symb=&Apache::lonnet::symbread($feedurl); 4127: } 4128: unless ($symb) { 4129: $symb=$env{'form.symb'}; 4130: } 4131: if (defined($symb)) { 4132: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 4133: } else { 4134: # backward compatibility (bulletin boards used to be 'wrapped') 4135: &Apache::lonenc::check_decrypt(\$feedurl); 4136: &dewrapper(\$feedurl); 4137: } 4138: my $goahead=1; 4139: if ($feedurl=~/$LONCAPA::assess_re/) { 4140: unless ($symb) { $goahead=0; } 4141: } 4142: if (!$goahead) { 4143: # Ambiguous Problem Resource 4144: $r->internal_redirect('/adm/ambiguous'); 4145: return OK; 4146: } 4147: # Go ahead with feedback, no ambiguous reference 4148: unless ( 4149: ( 4150: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 4151: ) 4152: || 4153: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 4154: || 4155: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 4156: ) { 4157: &Apache::loncommon::content_type($r,'text/html'); 4158: $r->send_http_header; 4159: # Unable to give feedback 4160: &Apache::lonenc::check_encrypt(\$feedurl); 4161: &no_redirect_back($r,$feedurl); 4162: return OK; 4163: } 4164: # --------------------------------------------------- Print login screen header 4165: unless ($env{'form.sendit'}) { 4166: &Apache::lonenc::check_encrypt(\$feedurl); 4167: &Apache::loncommon::content_type($r,'text/html'); 4168: $r->send_http_header; 4169: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 4170: my ($blocked,$blocktext) = 4171: &Apache::loncommon::blocking_status('boards'); 4172: if ($blocked) { 4173: $r->print(&blocked_reply_or_edit($blocktext)); 4174: return OK; 4175: } 4176: } 4177: my $options=&screen_header($feedurl,$symb,$group); 4178: if ($options) { 4179: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 4180: } else { 4181: &fail_redirect($r,$feedurl); 4182: } 4183: return OK; 4184: } 4185: 4186: # Get previous user input 4187: my $prevattempts=&Apache::loncommon::get_previous_attempt( 4188: $symb,$env{'user.name'},$env{'user.domain'}, 4189: $env{'request.course.id'}); 4190: 4191: # Get output from resource 4192: &Apache::lonenc::check_encrypt(\$feedurl); 4193: my $usersaw=&resource_output($feedurl); 4194: 4195: # Get resource answer (need to allow student to view grades for this to work) 4196: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 4197: my $usersymb = &Apache::lonenc::check_encrypt($symb); 4198: my $useranswer= 4199: &Apache::loncommon::get_student_answers( 4200: $usersymb,$env{'user.name'},$env{'user.domain'}, 4201: $env{'request.course.id'}); 4202: &Apache::lonnet::delenv('allowed.vgr'); 4203: # Get attachments, if any, and not too large 4204: my $attachmenturl=''; 4205: my $toolarge=''; 4206: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 4207: ($env{'form.replydisc'})) { 4208: my ($symb,$idx); 4209: if ($env{'form.replydisc'}) { 4210: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 4211: } elsif ($env{'form.editdisc'}) { 4212: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 4213: } elsif ($env{'form.origpage'}) { 4214: $symb = $env{'form.symb'}; 4215: } 4216: &Apache::lonenc::check_decrypt(\$symb); 4217: my @currnewattach = (); 4218: my @deloldattach = (); 4219: my @keepold = (); 4220: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 4221: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 4222: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 4223: } elsif ($env{'form.attachment.filename'}) { 4224: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 4225: my $now = time; 4226: my $subdir = 'feedback/'.$now; 4227: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 4228: } else { 4229: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4230: } 4231: } 4232: # Filter HTML out of message (could be nasty) 4233: my $override; 4234: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 4235: $override = 1; 4236: } 4237: my $message=&clear_out_html($env{'form.comment'},$override); 4238: 4239: # Assemble email 4240: my ($email,$citations)=&assemble_email($message,$prevattempts, 4241: $usersaw,$useranswer); 4242: 4243: # Who gets this? 4244: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 4245: 4246: # Actually send mail 4247: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 4248: $feedurl,$email,$citations, 4249: $attachmenturl,$usersymb,%to); 4250: 4251: # Discussion? Store that. 4252: my $numpost=0; 4253: if ( ($env{'form.discuss'} ne '' 4254: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4255: || $env{'form.anondiscuss'} ne '') { 4256: my $subject = &clear_out_html($env{'form.subject'}); 4257: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4258: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4259: $subject,$group); 4260: $numpost++; 4261: } 4262: 4263: # Add to blog? 4264: 4265: my $blog=''; 4266: if ($env{'form.blog'}) { 4267: my $subject = &clear_out_html($env{'form.subject'}); 4268: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4269: $env{'user.domain'}, 4270: 'CourseBlog_'.$env{'request.course.id'}, 4271: $subject,$message,$feedurl,'public'); 4272: if (&Apache::loncommon::course_type() eq 'Community') { 4273: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4274: } else { 4275: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4276: } 4277: } 4278: 4279: # Receipt screen and redirect back to where came from 4280: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4281: } 4282: return OK; 4283: } 4284: 4285: sub blocked_reply_or_edit { 4286: my ($blocktext) = @_; 4287: return 4288: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4289: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4290: &mt('Back to previous page'). 4291: &Apache::loncommon::end_page(); 4292: } 4293: 4294: sub wrap_symb { 4295: my ($ressymb)=@_; 4296: if ($ressymb =~ /bulletin___\d+___/) { 4297: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4298: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4299: } 4300: } 4301: return $ressymb; 4302: } 4303: sub dewrapper { 4304: my ($feedurl)=@_; 4305: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4306: $$feedurl=~s|^/adm/wrapper||; 4307: } 4308: } 4309: 4310: sub get_feedurl { 4311: my ($symb)=@_; 4312: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4313: my $feedurl = &Apache::lonnet::clutter($url); 4314: &dewrapper(\$feedurl); 4315: return $feedurl; 4316: } 4317: 4318: sub get_feedurl_and_clean_symb { 4319: my ($symb)=@_; 4320: &Apache::lonenc::check_decrypt(\$symb); 4321: # backward compatibility (bulletin boards used to be 'wrapped') 4322: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4323: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4324: } 4325: my $feedurl = &get_feedurl($symb); 4326: return ($symb,$feedurl); 4327: } 4328: 4329: sub editing_allowed { 4330: my ($postid,$group) = @_; 4331: $postid = &unescape($postid); 4332: my $can_edit = 0; 4333: if ($group ne '') { 4334: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4335: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4336: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4337: if (&check_group_priv($group,'egp') eq 'ok') { 4338: $can_edit = 1; 4339: } 4340: return $can_edit; 4341: } 4342: } 4343: my $cid = $env{'request.course.id'}; 4344: my $role = (split(/\./,$env{'request.role'}))[0]; 4345: my $section = $env{'request.course.sec'}; 4346: my $allow_editing_config = 4347: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4348: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4349: $can_edit = 1; 4350: } else { 4351: foreach my $editor (split(/,/,$allow_editing_config)) { 4352: my ($editor_role,$editor_sec) = split(/:/,$editor); 4353: if ($editor_role eq $role 4354: && defined($editor_sec) 4355: && defined($section) 4356: && $editor_sec eq $section) { 4357: $can_edit = 1; 4358: last; 4359: } 4360: if ($editor_role eq $role 4361: && !defined($editor_sec)) { 4362: $can_edit = 1; 4363: } 4364: } 4365: } 4366: return $can_edit; 4367: } 4368: 4369: sub check_group_priv { 4370: my ($group,$grp_priv) = @_; 4371: foreach my $priv ('mdg','vcg') { 4372: my $checkcourse = $env{'request.course.id'}. 4373: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4374: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4375: return 'ok'; 4376: } 4377: } 4378: if ($grp_priv && $group ne '') { 4379: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4380: return 'ok'; 4381: } 4382: } 4383: return ''; 4384: } 4385: 4386: sub group_args { 4387: my ($group) = @_; 4388: if ($group eq '') { return ''; } 4389: my $extra_args = '&group='.$group; 4390: if (exists($env{'form.ref'})) { 4391: $extra_args .= '&ref='.$env{'form.ref'}; 4392: } 4393: return $extra_args; 4394: } 4395: 4396: sub get_resource_title { 4397: my ($symb,$feedurl) = @_; 4398: my ($restitle,$plainurl); 4399: if (defined($symb)) { 4400: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4401: $restitle = &Apache::lonnet::gettitle($plain_symb); 4402: } 4403: if (defined($feedurl)) { 4404: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4405: } 4406: if (!defined($restitle)) { 4407: if (defined($feedurl)) { 4408: $restitle = &Apache::lonnet::gettitle($plainurl); 4409: } 4410: } 4411: if ($plainurl ne $feedurl) { 4412: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4413: if ($plain_filename eq $restitle) { 4414: $restitle = &mt('Untitled resource'); 4415: } 4416: } 4417: if ($restitle eq '') { 4418: $restitle = &mt('Untitled resource'); 4419: } 4420: return $restitle; 4421: } 4422: 4423: 1; 4424: __END__ 4425: 4426: 4427: =pod 4428: 4429: =head1 NAME 4430: 4431: Apache::lonfeedback.pm 4432: 4433: =head1 SYNOPSIS 4434: 4435: Handles feedback from students to instructors and system administrators. 4436: 4437: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4438: 4439: Used by lonmsg.pm. 4440: 4441: This is part of the LearningOnline Network with CAPA project 4442: described at http://www.lon-capa.org. 4443: 4444: =head1 OVERVIEW 4445: 4446: None 4447: 4448: =head1 SUBROUTINES 4449: 4450: =over 4451: 4452: =item discussion_open() 4453: 4454: =item discussion_visible() 4455: 4456: =item list_discussion() 4457: 4458: =item send_feedback_link() 4459: 4460: =item send_message_link() 4461: 4462: =item action_links_bar() 4463: 4464: =item postingform_display() 4465: 4466: =item build_posting_display 4467: 4468: =item filter_regexp() 4469: 4470: =item get_post_contents() 4471: 4472: =item replicate_attachments() 4473: 4474: =item mail_screen() 4475: 4476: =item print_display_options() 4477: 4478: =item print_sortfilter_options() 4479: 4480: =item print_showposters() 4481: 4482: =item get_post_versions() 4483: 4484: =item get_post_attachments() 4485: 4486: =item fail_redirect() 4487: 4488: =item redirect_back() 4489: 4490: =item no_redirect_back() 4491: 4492: =item screen_header() 4493: 4494: =item resource_output() 4495: 4496: =item clear_out_html() 4497: 4498: =item assemble_email() 4499: 4500: =item feedback_available() 4501: 4502: =item send_msg() 4503: 4504: =item adddiscuss() 4505: 4506: =item get_discussion_info() 4507: 4508: =item show_preview() 4509: 4510: =item newline_to_br() 4511: 4512: =item tidy_html() 4513: 4514: =item generate_preview_button() 4515: 4516: =item modify_attachments() 4517: 4518: =item process_attachments() 4519: 4520: =item generate_attachments_button() 4521: 4522: =item extract_attachments() 4523: 4524: =item construct_attachmenturl() 4525: 4526: =item add_blog_checkbox() 4527: 4528: =item has_discussion() 4529: 4530: =item sort_filter_names() 4531: 4532: =item handler() 4533: 4534: =item blocked_reply_or_edit() 4535: 4536: =item wrap_symb() 4537: 4538: =item dewrapper() 4539: 4540: =item get_feedurl() 4541: 4542: =item get_feedurl_and_clean_symb() 4543: 4544: =item editing_allowed() 4545: 4546: =item check_group_priv() 4547: 4548: =item group_args() 4549: 4550: =item get_resource_title() 4551: 4552: =back 4553: 4554: =cut