loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.302: download - view: text, annotated - select for diffs
Tue Sep 21 04:18:50 2010 UTC (13 years, 8 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

- Bug 6363. For bulletinboard need to use real symb instead of fake symb in second arg
  passed to &discussion_open().

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.302 2010/09/21 04:18:50 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: my $target=''; 285: 286: my $now = time; 287: $discinfo{$visitkey} = $visit; 288: 289: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 290: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 291: 292: my $discussion=''; 293: my $manifestfile; 294: my $manifestok=0; 295: my $tempexport; 296: my $imsresources; 297: my $copyresult; 298: 299: my $function = &Apache::loncommon::get_users_function(); 300: my $color = &Apache::loncommon::designparm($function.'.tabbg', 301: $env{'user.domain'}); 302: my %lt = &Apache::lonlocal::texthash( 303: 'cuse' => 'Current discussion settings', 304: 'allposts' => 'All posts', 305: 'unread' => 'New posts only', 306: 'unmark' => 'Unread only', 307: 'ondisp' => 'Once displayed', 308: 'onmark' => 'Once marked not NEW', 309: 'toggoff' => 'Off', 310: 'toggon' => 'On', 311: 'disa' => 'Posts to be displayed', 312: 'npce' => 'Posts cease to be marked "NEW"', 313: 'epcb' => 'Each post can be toggled read/unread', 314: 'chgt' => 'Change', 315: 'disp' => 'Display', 316: 'nolo' => 'Not new', 317: 'togg' => 'Toggle read/unread', 318: 'aner' => 'An error occurred opening the manifest file.', 319: 'difo' => 'Discussion for', 320: 'aerr' => 'An error occurred opening the export file for posting', 321: 'aysu' => 'Are you sure you want to delete this post?', 322: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 323: 'bwco' => 'but will continue to be visible to your instructor', 324: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 325: 'discussions' => 'DISCUSSIONS' 326: ); 327: 328: my $currdisp = $lt{'allposts'}; 329: my $currmark = $lt{'onmark'}; 330: my $currtogg = $lt{'toggoff'}; 331: my $dispchange = $lt{'unread'}; 332: my $markchange = $lt{'ondisp'}; 333: my $toggchange = $lt{'toggon'}; 334: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 335: my $displinkA = 'onlyunread'; 336: my $displinkB = 'onlyunmark'; 337: my $marklink = 'markondisp'; 338: my $togglink = 'toggon'; 339: 340: if ($markondisp) { 341: $currmark = $lt{'ondisp'}; 342: $markchange = $lt{'onmark'}; 343: $marklink = 'markonread'; 344: } 345: 346: if ($showonlyunread) { 347: $currdisp = $lt{'unread'}; 348: $dispchange = $lt{'allposts'}; 349: $displinkA = 'allposts'; 350: } 351: 352: if ($showunmark) { 353: $currdisp = $lt{'unmark'}; 354: $dispchange = $lt{'unmark'}; 355: $displinkA='allposts'; 356: $displinkB='onlyunread'; 357: $showonlyunread = 0; 358: } 359: 360: if ($dischash{$toggkey}) { 361: $currtogg = $lt{'toggon'}; 362: $toggchange = $lt{'toggoff'}; 363: $togglink = 'toggoff'; 364: } 365: 366: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 367: 368: if ($newpostsflag) { 369: $chglink .= '&previous='.$prevread; 370: } 371: $chglink.=&group_args($group); 372: 373: if ($visible) { 374: # Print the discusssion 375: if ($outputtarget eq 'tex') { 376: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 377: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 378: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 379: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 380: } elsif ($outputtarget eq 'export') { 381: # Create temporary directory if this is an export 382: my $now = time; 383: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 384: $tempexport = $$imsextras{'tempexport'}; 385: if (!-e $tempexport) { 386: mkdir($tempexport,0700); 387: } 388: $tempexport .= '/'.$$imsextras{'count'}; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: } else { 393: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 394: if (!-e $tempexport) { 395: mkdir($tempexport,0700); 396: } 397: $tempexport .= '/'.$now; 398: if (!-e $tempexport) { 399: mkdir($tempexport,0700); 400: } 401: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 402: } 403: if (!-e $tempexport) { 404: mkdir($tempexport,0700); 405: } 406: # open manifest file 407: my $manifest = '/imsmanifest.xml'; 408: my $manifestfilename = $tempexport.$manifest; 409: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 410: $manifestok=1; 411: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 412: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 413: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 414: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 415: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 416: <organizations default="$ressymb"> 417: <organization identifier="$ressymb"> 418: <title>$lt{'difo'} $ressymb</title>\n|; 419: } else { 420: $discussion .= $lt{'aner'}.'<br />'; 421: } 422: } else { 423: my $colspan=$maxdepth+1; 424: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 425: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 426: var symbparm = symb+':::'+idx 427: var prevparm = "" 428: if (newflag == 1) { 429: prevparm = "&previous="+previous 430: } 431: if (caller == 'studentdelete') { 432: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 433: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 434: } 435: } else { 436: if (caller == 'seeiddelete') { 437: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 438: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 439: } 440: } 441: } 442: } 443: |); 444: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 445: "\n".'<table class="LC_discussion">'; 446: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 447: $newpostsflag,$group, 448: $prevread,$markondisp); 449: my $escsymb=&escape($ressymb); 450: my $numhidden = keys(%notshown); 451: if ($numhidden > 0) { 452: my $colspan = $maxdepth+1; 453: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 454: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 455: if ($newpostsflag) { 456: $discussion .= '&previous='.$prevread; 457: } 458: $discussion .= &group_args($group); 459: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 460: $numhidden.' '; 461: if ($showunmark) { 462: $discussion .= &mt('posts previously marked read'); 463: } else { 464: $discussion .= &mt('previously viewed posts'); 465: } 466: $discussion .= '<br/></td></tr>'; 467: } 468: } 469: 470: # Choose sort mechanism 471: my @showposts = (); 472: if ($sortposts eq 'descdate') { 473: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 474: } elsif ($sortposts eq 'thread') { 475: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 476: } elsif ($sortposts eq 'subject') { 477: foreach my $key (sort(keys(%subjectsort))) { 478: push(@showposts, @{$subjectsort{$key}}); 479: } 480: } elsif ($sortposts eq 'username') { 481: foreach my $domain (sort(keys(%usernamesort))) { 482: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 483: push(@showposts, @{$usernamesort{$domain}{$key}}); 484: } 485: } 486: } elsif ($sortposts eq 'lastfirst') { 487: foreach my $last (sort(keys(%namesort))) { 488: foreach my $key (sort(keys(%{$namesort{$last}}))) { 489: push(@showposts, @{$namesort{$last}{$key}}); 490: } 491: } 492: } else { 493: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 494: } 495: my $currdepth = 0; 496: my $firstidx = $alldiscussion{$showposts[0]}; 497: foreach my $post (@showposts) { 498: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 499: $alldiscussion{$post} = $post; 500: } 501: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 503: $discussion.="\n<tr>"; 504: } 505: my $thisdepth=$depth[$alldiscussion{$post}]; 506: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 507: for (1..$thisdepth) { 508: $discussion.='<td>   </td>'; 509: } 510: } 511: my $colspan=$maxdepth-$thisdepth+1; 512: if ($outputtarget eq 'tex') { 513: #cleanup block 514: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 515: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 516: my $threadinsert=''; 517: if ($thisdepth > 0) { 518: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 519: } 520: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 521: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 522: 523: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 524: $discussion.=$discussionitems[$alldiscussion{$post}]; 525: } elsif ($outputtarget eq 'export') { 526: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 527: if ($manifestok) { 528: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 529: print $manifestfile ' </item>'."\n"; 530: } 531: $currdepth = $depth[$alldiscussion{$post}]; 532: print $manifestfile "\n". 533: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 534: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 535: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 536: $imsresources .= "\n". 537: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 538: '<file href="'.$postfilename.'">'."\n". 539: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 540: '</resource>'; 541: } 542: my $postingfile; 543: my $postingfilename = $tempexport.'/'.$postfilename; 544: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 545: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 546: $imsitems{$alldiscussion{$post}}{'title'}.' '. 547: $imsitems{$alldiscussion{$post}}{'sender'}. 548: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 549: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 550: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 551: close($postingfile); 552: } else { 553: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 554: } 555: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 556: } else { 557: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 558: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 559: '</td></tr>'; 560: } 561: } 562: } 563: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 564: my $colspan=$maxdepth+1; 565: $discussion .= <<END; 566: <tr bgcolor="#FFFFFF"> 567: <td colspan="$colspan" class="LC_disc_action_links_bar"> 568: <table class="LC_disc_action_table"> 569: <tr> 570: <td align="left"> 571: <table border="0" cellpadding="0" cellspacing="4"> 572: <tr> 573: <td> 574: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 575: <td> </td> 576: <td><font size="-1"> 577: END 578: if ($newpostsflag) { 579: $discussion .= 580: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 581: if ($dischash{$toggkey}) { 582: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 583: } 584: } else { 585: if ($dischash{$toggkey}) { 586: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 587: } else { 588: $discussion .= 589: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 590: } 591: } 592: $discussion .= <<END; 593: </font></td> 594: <td> </td> 595: <td align="left"> 596: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 597: </td> 598: </tr> 599: </table> 600: </td> 601: END 602: if ($sortposts) { 603: my %sort_types = (); 604: my %role_types = (); 605: my %status_types = (); 606: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 607: 608: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 609: if (defined($env{'form.totposters'})) { 610: $discussion .= &mt('Posts by').':'; 611: if ($totposters > 0) { 612: foreach my $poster (@posters) { 613: $discussion .= ' '.$poster.','; 614: } 615: $discussion =~ s/,$//; 616: } else { 617: $discussion .= &mt('None selected'); 618: } 619: } else { 620: my $filterchoice =''; 621: if (@sectionpick > 0) { 622: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 623: $filterchoice .= '    '; 624: } 625: if (@grouppick > 0) { 626: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 627: $filterchoice .= '    '; 628: } 629: if (@rolefilter > 0) { 630: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 631: foreach my $role (@rolefilter) { 632: $filterchoice .= ' '.$role_types{$role}.','; 633: } 634: $filterchoice =~ s/,$//; 635: $filterchoice .= '<br />'.(' ' x8); 636: } 637: if ($statusfilter) { 638: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 639: } 640: if ($filterchoice) { 641: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 642: } 643: $discussion .= '</font></td>'; 644: } 645: } 646: if ($dischash{$toggkey}) { 647: my $storebutton = &mt('Save read/unread changes'); 648: $discussion.='<td align="right">'. 649: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 650: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 651: ' onclick="this.form.submit();" />'."\n". 652: '</td>'; 653: } 654: $discussion .= (<<END); 655: </tr> 656: </table> 657: </td> 658: </tr> 659: END 660: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 661: $newpostsflag,$group, 662: $prevread,$markondisp); 663: $discussion .= " 664: </table> 665: <br /><br /></form>\n"; 666: } 667: if ($outputtarget eq 'export') { 668: if ($manifestok) { 669: while ($currdepth > 0) { 670: print $manifestfile " </item>\n"; 671: $currdepth --; 672: } 673: print $manifestfile qq| 674: </organization> 675: </organizations> 676: <resources> 677: $imsresources 678: </resources> 679: </manifest> 680: |; 681: close($manifestfile); 682: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 683: $discussion = $copyresult; 684: } else { 685: 686: #Create zip file in prtspool 687: 688: my $imszipfile = '/prtspool/'. 689: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 690: time.'_'.rand(1000000000).'.zip'; 691: my $cwd = &getcwd(); 692: my $imszip = '/home/httpd/'.$imszipfile; 693: chdir $tempexport; 694: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 695: close(OUTPUT); 696: chdir $cwd; 697: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 698: if ($copyresult) { 699: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 700: } 701: } 702: } else { 703: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />'; 704: } 705: return $discussion; 706: } 707: } 708: if ($discussiononly) { 709: my $now = time; 710: my $attachnum = 0; 711: my $currnewattach = []; 712: my $currdelold = []; 713: my $comment = ''; 714: my $subject = ''; 715: if ($env{'form.origpage'}) { 716: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 717: $subject = &unescape($env{'form.subject'}); 718: $comment = &unescape($env{'form.comment'}); 719: my @keepold = (); 720: &process_attachments($currnewattach,$currdelold,\@keepold); 721: if (@{$currnewattach} > 0) { 722: $attachnum += @{$currnewattach}; 723: } 724: } 725: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 726: if (($group ne '') && ($mode eq 'board')) { 727: if (&check_group_priv($group,'pgd') eq 'ok') { 728: $discussion .= 729: &postingform_display($mode,$ressymb,$now,$subject, 730: $comment,$outputtarget,$attachnum, 731: $currnewattach,$currdelold, 732: $group,$crstype); 733: } 734: } else { 735: $discussion.= 736: &postingform_display($mode,$ressymb,$now,$subject, 737: $comment,$outputtarget,$attachnum, 738: $currnewattach,$currdelold,'',$crstype); 739: } 740: } 741: } elsif ($outputtarget ne 'tex') { 742: $discussion.='<div class="LC_feedback_link">'; 743: if (&discussion_open($status) && 744: &Apache::lonnet::allowed('pch', 745: $env{'request.course.id'}. 746: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 747: $discussion.= &send_feedback_link($ressymb,$target); 748: if ($env{'request.role.adv'}) { 749: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 750: if (defined($close) && $close ne '' && $close < time) { 751: $discussion .= ' '.&mt('(Closed for [_1] roles)', 752: &Apache::lonnet::plaintext('st',$crstype)); 753: } 754: } 755: } else { 756: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 757: } 758: $discussion.= &send_message_link($ressymb).'</div>'; 759: } 760: return $discussion; 761: } 762: 763: sub send_feedback_link { 764: my ($ressymb,$target) = @_; 765: my $output = '<span class="LC_feedback_link">'. 766: ' <a href="/adm/feedback?replydisc='. 767: &escape($ressymb).':::" '.$target.'>'. 768: '<img alt="" class="LC_noBorder" src="'. 769: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 770: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 771: return $output; 772: } 773: 774: sub send_message_link { 775: my ($ressymb) = @_; 776: my $output = '<span class="LC_message_link">'. 777: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 778: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 779: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 780: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 781: return $output; 782: } 783: 784: sub action_links_bar { 785: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 786: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 787: '<table width="100%" class="LC_disc_action_table"><tr>'. 788: '<td class="LC_disc_action_left">'; 789: my $escsymb=&escape($ressymb); 790: if ($visible) { 791: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 792: if ($newpostsflag) { 793: $discussion .= '&previous='.$prevread; 794: } 795: $discussion .= &group_args($group); 796: $discussion .='">'.&mt('Threaded View').'</a>  '. 797: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 798: if ($newpostsflag) { 799: $discussion .= '&previous='.$prevread; 800: } 801: $discussion .= &group_args($group); 802: $discussion .='">'.&mt('Chronological View').'</a>   803: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 804: if ($newpostsflag) { 805: $discussion .= '&previous='.$prevread; 806: } 807: $discussion .= &group_args($group); 808: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 809: } 810: $discussion .='<a href="/adm/feedback?export='.$escsymb; 811: if ($newpostsflag) { 812: $discussion .= '&previous='.$prevread; 813: } 814: $discussion .= &group_args($group); 815: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 816: if ($newpostsflag) { 817: if (!$markondisp) { 818: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 819: $discussion .= &group_args($group); 820: $discussion .= '">'. 821: &mt('Preferences on what is marked as NEW'). 822: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 823: $discussion .= &group_args($group); 824: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 825: } else { 826: $discussion .= '<td> </td>'; 827: } 828: } else { 829: $discussion .= '<td> </td>'; 830: } 831: $discussion .= '</tr></table></td></tr>'; 832: return $discussion; 833: } 834: 835: sub postingform_display { 836: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 837: $currnewattach,$currdelold,$group,$crstype) = @_; 838: my $newattachmsg; 839: my %lt = &Apache::lonlocal::texthash( 840: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 841: 'title' => 'Title', 842: 'podi' => 'Post Discussion', 843: 'poan' => 'Post Anonymous Discussion', 844: 'newa' => 'New attachments', 845: ); 846: if ($crstype eq 'Community') { 847: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 848: } 849: my ($postingform,$textareaclass); 850: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 851: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 852: $textareaclass = 'class="LC_richDefaultOff"'; 853: if ($env{'request.course.id'}) { 854: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 855: undef($textareaclass); 856: } 857: } 858: } 859: $postingform .= (<<ENDDISCUSS); 860: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 861: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 862: <input type="hidden" name="sendit" value="true" /> 863: <input type="hidden" name="timestamp" value="$now" /> 864: <br /><a name="newpost"></a> 865: <font size="1">$lt{'note'}</font><br /> 866: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 867: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 868: ENDDISCUSS 869: if ($env{'form.origpage'}) { 870: $postingform .= '<input type="hidden" name="origpage" value="'. 871: $env{'form.origpage'}.'" />'."\n"; 872: foreach my $att (@{$currnewattach}) { 873: $postingform .= '<input type="hidden" name="currnewattach" '. 874: 'value="'.$att.'" />'."\n"; 875: } 876: } 877: if (exists($env{'form.ref'})) { 878: $postingform .= '<input type="hidden" name="ref" value="'. 879: $env{'form.ref'}.'" />'; 880: } 881: if ($group ne '') { 882: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 883: } 884: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 885: if (!$blockblog) { 886: $postingform .= &add_blog_checkbox($crstype); 887: } 888: $postingform .= "</form>\n"; 889: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 890: $now,$currnewattach, 891: $currdelold,'',$mode, 892: $blockblog); 893: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 894: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 895: if (@{$currnewattach} > 1) { 896: $newattachmsg .= '<ol>'; 897: foreach my $item (@{$currnewattach}) { 898: $item =~ m#.*/([^/]+)$#; 899: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 900: } 901: $newattachmsg .= '</ol>'."\n"; 902: } else { 903: $$currnewattach[0] =~ m#.*/([^/]+)$#; 904: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 905: } 906: } 907: $postingform .= $newattachmsg; 908: $postingform .= &generate_preview_button(); 909: return $postingform; 910: } 911: 912: sub build_posting_display { 913: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 914: my @original=(); 915: my @index=(); 916: my $skip_group_check = 0; 917: my $symb=&Apache::lonenc::check_decrypt($ressymb); 918: my $escsymb=&escape($ressymb); 919: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 920: $env{'course.'.$env{'request.course.id'}.'.domain'}, 921: $env{'course.'.$env{'request.course.id'}.'.num'}); 922: 923: my $see_anonymous = 924: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 925: 926: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 927: $skip_group_check = 1; 928: } 929: my (%deletions,%hiddens); 930: if ($contrib{'deleted'}) { 931: my $deleted = $contrib{'deleted'}; 932: $deleted =~ s/^\.//; 933: $deleted =~ s/\.$//; 934: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 935: } 936: if ($contrib{'hidden'}) { 937: my $hidden = $contrib{'hidden'}; 938: $hidden =~ s/^\.//; 939: $hidden =~ s/\.$//; 940: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 941: } 942: if ($contrib{'version'}) { 943: my $oldest = $contrib{'1:timestamp'}; 944: if ($prevread eq '0') { 945: $prevread = $oldest-1; 946: } 947: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 948: if ($sortposts) { 949: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 950: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 951: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 952: } 953: for (my $id=1;$id<=$contrib{'version'};$id++) { 954: my $idx=$id; 955: next if ($contrib{$idx.':deleted'}); 956: next if ($contrib{$idx.':hidden'}); 957: my $posttime = $contrib{$idx.':timestamp'}; 958: if ($prevread <= $posttime) { 959: $$newpostsflag = 1; 960: } 961: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 962: my $origindex='0.'; 963: my $numoldver=0; 964: if ($contrib{$idx.':replyto'}) { 965: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 966: # this is a follow-up message 967: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 968: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 969: $origindex=$index[$contrib{$idx.':replyto'}]; 970: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 971: } else { 972: $original[$idx]=0; 973: $$depth[$idx]=0; 974: } 975: } else { 976: # this is an original message 977: $original[$idx]=0; 978: $$depth[$idx]=0; 979: } 980: if ($$replies[$$depth[$idx]]) { 981: $$replies[$$depth[$idx]]++; 982: } else { 983: $$replies[$$depth[$idx]]=1; 984: } 985: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 986: $$visible++; 987: if ($contrib{$idx.':history'}) { 988: if ($contrib{$idx.':history'} =~ /:/) { 989: my @oldversions = split(/:/,$contrib{$idx.':history'}); 990: $numoldver = @oldversions; 991: } else { 992: $numoldver = 1; 993: } 994: } 995: $$current = $numoldver; 996: my %messages = (); 997: my %subjects = (); 998: my %attachtxt = (); 999: my %allattachments = (); 1000: my ($screenname,$plainname); 1001: my $sender = &mt('Anonymous'); 1002: # Anonymous users getting number within a discussion 1003: # Since idx is in static order, this should give the same sequence every time. 1004: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1005: unless ($$anonhash{$key}) { 1006: $anoncnt++; 1007: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1008: } 1009: my ($message,$subject,$vgrlink,$ctlink); 1010: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1011: 1012: 1013: # Set up for sorting by subject 1014: unless ($outputtarget eq 'export') { 1015: $message=$messages{$numoldver}; 1016: $message.=$attachtxt{$numoldver}; 1017: $subject=$subjects{$numoldver}; 1018: if ($message) { 1019: if ($hiddens{$idx}) { 1020: $message='<font color="#888888">'.$message.'</font>'; 1021: if ($studenthidden) { 1022: $message .='<br /><br />Deleted by poster (student).'; 1023: } 1024: } 1025: 1026: if ($subject eq '') { 1027: if (defined($$subjectsort{'__No subject'})) { 1028: push(@{$$subjectsort{'__No subject'}}, $idx); 1029: } else { 1030: @{$$subjectsort{'__No subject'}} = ("$idx"); 1031: } 1032: } else { 1033: if (defined($$subjectsort{$subject})) { 1034: push(@{$$subjectsort{$subject}}, $idx); 1035: } else { 1036: @{$$subjectsort{$subject}} = ("$idx"); 1037: } 1038: } 1039: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1040: $sender=&Apache::loncommon::aboutmewrapper( 1041: $plainname, 1042: $contrib{$idx.':sendername'}, 1043: $contrib{$idx.':senderdomain'}).' ('. 1044: $contrib{$idx.':sendername'}.':'. 1045: $contrib{$idx.':senderdomain'}.')'; 1046: $sender = '<b>'.$sender.'</b>'; 1047: if ($contrib{$idx.':anonymous'}) { 1048: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1049: $screenname; 1050: } 1051: if ($see_anonymous) { 1052: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1053: } 1054: # Set up for sorting by domain, then username 1055: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1056: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1057: } 1058: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1059: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1060: } else { 1061: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1062: } 1063: # Set up for sorting by last name, then first name 1064: my %names = &Apache::lonnet::get('environment', 1065: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1066: ,$contrib{$idx.':sendername'}); 1067: my $lastname = $names{'lastname'}; 1068: my $firstname = $names{'firstname'}; 1069: if ($lastname eq '') { 1070: $lastname = '_'; 1071: } 1072: if ($firstname eq '') { 1073: $firstname = '_'; 1074: } 1075: unless (defined($$namesort{$lastname})) { 1076: %{$$namesort{$lastname}} = (); 1077: } 1078: if (defined($$namesort{$lastname}{$firstname})) { 1079: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1080: } else { 1081: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1082: } 1083: if ($outputtarget ne 'tex') { 1084: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1085: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1086: $sender.=' <a href="/adm/feedback?editdisc='. 1087: $escsymb.':::'.$idx; 1088: if ($$newpostsflag) { 1089: $sender .= '&previous='.$prevread; 1090: } 1091: $sender .= &group_args($group); 1092: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1093: 1094: unless ($seeid) { 1095: my $grpargs = &group_args($group); 1096: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1097: $sender .= '">'.&mt('Delete').'</a>'; 1098: } 1099: } 1100: } 1101: if ($seeid) { 1102: if ($hiddens{$idx}) { 1103: unless ($studenthidden) { 1104: $sender.=' <a href="/adm/feedback?unhide='. 1105: $escsymb.':::'.$idx; 1106: if ($$newpostsflag) { 1107: $sender .= '&previous='.$prevread; 1108: } 1109: $sender .= '">'.&mt('Make Visible').'</a>'; 1110: } 1111: } else { 1112: $sender.=' <a href="/adm/feedback?hide='. 1113: $escsymb.':::'.$idx; 1114: if ($$newpostsflag) { 1115: $sender .= '&previous='.$prevread; 1116: } 1117: $sender .= &group_args($group); 1118: $sender .= '">'.&mt('Hide').'</a>'; 1119: } 1120: my $grpargs = &group_args($group); 1121: $sender.= 1122: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1123: $sender .= &mt('Delete').'</a>'; 1124: } 1125: } 1126: } else { 1127: if ($screenname) { 1128: $sender='<i>'.$screenname.'</i>'; 1129: } else { 1130: $sender='<i>'.$$anonhash{$key}.'</i>'; 1131: } 1132: $sender = '<b>'.$sender.'</b>'; 1133: # Set up for sorting by domain, then username for anonymous 1134: unless (defined($$usernamesort{'__anon'})) { 1135: %{$$usernamesort{'__anon'}} = (); 1136: } 1137: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1138: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1139: } else { 1140: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1141: } 1142: # Set up for sorting by last name, then first name for anonymous 1143: unless (defined($$namesort{'__anon'})) { 1144: %{$$namesort{'__anon'}} = (); 1145: } 1146: if (defined($$namesort{'__anon'}{'__anon'})) { 1147: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1148: } else { 1149: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1150: } 1151: } 1152: if ($outputtarget ne 'tex') { 1153: if (&discussion_open($status)) { 1154: if (($group ne '') && 1155: (&check_group_priv($group,'pgd') eq 'ok')) { 1156: $sender.=' <a href="/adm/feedback?replydisc='. 1157: $escsymb.':::'.$idx; 1158: if ($$newpostsflag) { 1159: $sender .= '&previous='.$prevread; 1160: } 1161: $sender .= &group_args($group); 1162: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1163: } elsif (&Apache::lonnet::allowed('pch', 1164: $env{'request.course.id'}. 1165: ($env{'request.course.sec'}?'/'. 1166: $env{'request.course.sec'}:''))) { 1167: $sender.=' <a href="/adm/feedback?replydisc='. 1168: $escsymb.':::'.$idx; 1169: if ($$newpostsflag) { 1170: $sender .= '&previous='.$prevread; 1171: } 1172: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1173: } 1174: } 1175: if ($viewgrades) { 1176: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1177: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1178: } 1179: if ($$dischash{$readkey}=~/\.$idx\./) { 1180: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1181: } else { 1182: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1183: } 1184: } 1185: } 1186: #figure out at what position this needs to print 1187: } 1188: if ($outputtarget eq 'export' || $message) { 1189: my $thisindex=$idx; 1190: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1191: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1192: } 1193: $$alldiscussion{$thisindex}=$idx; 1194: $$shown{$idx} = 0; 1195: $index[$idx]=$thisindex; 1196: } 1197: if ($outputtarget eq 'export') { 1198: %{$$imsitems{$idx}} = (); 1199: $$imsitems{$idx}{'isvisible'}='true'; 1200: if ($hiddens{$idx}) { 1201: $$imsitems{$idx}{'isvisible'}='false'; 1202: } 1203: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1204: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1205: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1206: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1207: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1208: $contrib{$idx.':sendername'}.':'. 1209: $contrib{$idx.':senderdomain'}.')'; 1210: $$imsitems{$idx}{'isanonymous'}='false'; 1211: if ($contrib{$idx.':anonymous'}) { 1212: $$imsitems{$idx}{'isanonymous'}='true'; 1213: } 1214: $$imsitems{$idx}{'currversion'}=$numoldver; 1215: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1216: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1217: $$shown{$idx} = 1; 1218: } 1219: } else { 1220: if ($message) { 1221: my $spansize = 2; 1222: if ($showonlyunread && $prevread > $posttime) { 1223: $$notshown{$idx} = 1; 1224: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1225: $$notshown{$idx} = 1; 1226: } else { 1227: # apply filters 1228: my $uname = $contrib{$idx.':sendername'}; 1229: my $udom = $contrib{$idx.':senderdomain'}; 1230: my $poster = $uname.':'.$udom; 1231: if ($env{'form.totposters'} ne '') { 1232: if ($totposters == 0) { 1233: $$shown{$idx} = 0; 1234: } elsif ($totposters > 0) { 1235: if (grep/^$poster$/,@{$posters}) { 1236: $$shown{$idx} = 1; 1237: } 1238: } 1239: } elsif ($sortposts) { 1240: if ($skiptest) { 1241: $$shown{$idx} = 1; 1242: } else { 1243: foreach my $role (@{$$roleinfo{$poster}}) { 1244: if ($role =~ /^cc:/) { 1245: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1246: if ($role =~ /$cc_regexp/) { 1247: $$shown{$idx} = 1; 1248: last; 1249: } 1250: } elsif ($role =~ /^$rolematch$/) { 1251: $$shown{$idx} = 1; 1252: last; 1253: } 1254: } 1255: } 1256: if ($$shown{$idx} && !$skip_group_check) { 1257: my $showflag = 0; 1258: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1259: foreach my $grp (@{$grouppick}) { 1260: if (grep/^\Q$grp\E$/, 1261: keys(%{$$classgroups{$poster}{active}})) { 1262: $showflag = 1; 1263: last; 1264: } 1265: } 1266: } 1267: if ($showflag) { 1268: $$shown{$idx} = 1; 1269: } else { 1270: $$shown{$idx} = 0; 1271: } 1272: } 1273: } else { 1274: $$shown{$idx} = 1; 1275: } 1276: } 1277: unless ($$notshown{$idx} == 1) { 1278: if ($prevread > 0 && $prevread <= $posttime) { 1279: $$newitem{$idx} = 1; 1280: $$discussionitems[$idx] .= ' 1281: <table border="0" width="100%"> 1282: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>'; 1283: } else { 1284: $$newitem{$idx} = 0; 1285: $$discussionitems[$idx] .= ' 1286: <table border="0" width="100%"> 1287: <tr><td align="left"> </td>'; 1288: } 1289: $$discussionitems[$idx] .= '<td align="left">  '. 1290: '<b>'.$subject.'</b>  '. 1291: $sender.' '.$vgrlink.' ('. 1292: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1293: if ($$dischash{$toggkey}) { 1294: $$discussionitems[$idx].='<td align="right">  '. 1295: $ctlink.'</td>'; 1296: } 1297: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1298: $message.'</blockquote>'; 1299: if ($contrib{$idx.':history'}) { 1300: my @postversions = (); 1301: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1302: if ($seeid) { 1303: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1304: $$discussionitems[$idx] .= &group_args($group); 1305: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1306: } 1307: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1308: if ($contrib{$idx.':history'} =~ m/:/) { 1309: @postversions = split(/:/,$contrib{$idx.':history'}); 1310: } else { 1311: @postversions = ("$contrib{$idx.':history'}"); 1312: } 1313: for (my $i=0; $i<@postversions; $i++) { 1314: my $version = $i+1; 1315: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1316: } 1317: } 1318: } 1319: } 1320: } 1321: } 1322: } 1323: } 1324: } 1325: 1326: sub filter_regexp { 1327: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1328: my ($roleregexp,$secregexp,$statusregexp); 1329: my $skiptest = 1; 1330: if (@{$rolefilter} > 0) { 1331: my @okrolefilter = (); 1332: foreach my $role (@{$rolefilter}) { 1333: unless ($role eq '') { 1334: push(@okrolefilter, $role); 1335: } 1336: } 1337: if (@okrolefilter > 0) { 1338: if (grep/^all$/,@okrolefilter) { 1339: $roleregexp='[^:]+'; 1340: } else { 1341: if (@okrolefilter == 1) { 1342: $roleregexp=$okrolefilter[0]; 1343: } else { 1344: $roleregexp='('.join('|',@okrolefilter).')'; 1345: } 1346: $skiptest = 0; 1347: } 1348: } 1349: } 1350: if (@{$sectionpick} > 0) { 1351: my @oksectionpick = (); 1352: foreach my $sec (@{$sectionpick}) { 1353: unless ($sec eq '') { 1354: push(@oksectionpick, $sec); 1355: } 1356: } 1357: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1358: if (@oksectionpick == 1) { 1359: $secregexp = $oksectionpick[0]; 1360: } else { 1361: $secregexp .= '('.join('|',@oksectionpick).')'; 1362: } 1363: $skiptest = 0; 1364: } else { 1365: $secregexp .= '[^:]*'; 1366: } 1367: } 1368: 1369: if (defined($statusfilter) && $statusfilter ne '') { 1370: if ($statusfilter eq 'all') { 1371: $statusregexp = '[^:]+'; 1372: } else { 1373: $statusregexp = $statusfilter; 1374: $skiptest = 0; 1375: } 1376: } 1377: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1378: } 1379: 1380: 1381: sub get_post_contents { 1382: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1383: my $discussion = ''; 1384: my $start=$numver; 1385: my $end=$numver + 1; 1386: %{$$imsfiles{$idx}}=(); 1387: if ($type eq 'allversions') { 1388: unless($seeid) { 1389: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1390: return $discussion; 1391: } 1392: } 1393: # $$screenname=&Apache::loncommon::screenname( 1394: # $$contrib{$idx.':sendername'}, 1395: # $$contrib{$idx.':senderdomain'}); 1396: $$plainname=&Apache::loncommon::nickname( 1397: $$contrib{$idx.':sendername'}, 1398: $$contrib{$idx.':senderdomain'}); 1399: $$screenname=$$contrib{$idx.':screenname'}; 1400: 1401: my $sender=&Apache::loncommon::aboutmewrapper( 1402: $$plainname, 1403: $$contrib{$idx.':sendername'}, 1404: $$contrib{$idx.':senderdomain'}).' ('. 1405: $$contrib{$idx.':sendername'}.':'. 1406: $$contrib{$idx.':senderdomain'}.')'; 1407: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1408: my @postversions = (); 1409: if ($type eq 'allversions' || $type eq 'export') { 1410: $start = 0; 1411: if ($$contrib{$idx.':history'}) { 1412: @postversions = split(/:/,$$contrib{$idx.':history'}); 1413: } 1414: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1415: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1416: push(@postversions,$$contrib{$idx.':timestamp'}); 1417: $end = @postversions; 1418: } else { 1419: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1420: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1421: } 1422: 1423: if ($$contrib{$idx.':anonymous'}) { 1424: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1425: } 1426: if ($type eq 'allversions') { 1427: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1428: } 1429: for (my $i=$start; $i<$end; $i++) { 1430: my ($timesent,$attachmsg); 1431: my %currattach = (); 1432: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1433: unless (&contains_block_html($messages->{$i})) { 1434: &newline_to_br(\$messages->{$i}); 1435: } 1436: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1437: $$subjects{$i}=~s/\n/\<br \/\>/g; 1438: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1439: if ($attachmenturls) { 1440: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1441: } 1442: if ($type eq 'export') { 1443: $$imsfiles{$idx}{$i} = ''; 1444: if ($attachmsg) { 1445: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1446: foreach my $key (sort(keys(%currattach))) { 1447: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1448: my $fname = $1.$3.'/'.$4; 1449: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1450: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1451: } 1452: } 1453: } 1454: } else { 1455: if ($attachmsg) { 1456: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1457: } else { 1458: $$attachtxt{$i} = ''; 1459: } 1460: } 1461: if ($type eq 'allversions') { 1462: $discussion.= <<"END"; 1463: <li><b>$$subjects{$i}</b>, $timesent<br /> 1464: $$messages{$i}<br /> 1465: $$attachtxt{$i}</li> 1466: END 1467: } 1468: } 1469: if ($type eq 'allversions') { 1470: $discussion.='</ul>'; 1471: return $discussion; 1472: } else { 1473: return; 1474: } 1475: } 1476: 1477: sub replicate_attachments { 1478: my ($attachrefs,$tempexport) = @_; 1479: my $response; 1480: foreach my $id (keys(%{$attachrefs})) { 1481: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1482: my $path = $tempexport; 1483: my $tail = $1.'/'.$2.$4; 1484: my @extras = split(/\//,$tail); 1485: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1486: if (!-e $destination) { 1487: my $i= 0; 1488: while ($i<@extras) { 1489: $path .= '/'.$extras[$i]; 1490: if (!-e $path) { 1491: mkdir($path,0700); 1492: } 1493: $i ++; 1494: } 1495: my ($content,$rtncode); 1496: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1497: if ($uploadreply eq 'ok') { 1498: my $attachcopy; 1499: if ($attachcopy = Apache::File->new('>'.$destination)) { 1500: print $attachcopy $content; 1501: close($attachcopy); 1502: } else { 1503: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1504: } 1505: } else { 1506: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1507: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1508: } 1509: } 1510: } 1511: } 1512: return $response; 1513: } 1514: 1515: sub mail_screen { 1516: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1517: if (exists($env{'form.origpage'})) { 1518: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1519: } 1520: 1521: my %lt = &Apache::lonlocal::texthash( 1522: 'myqu' => 'My question/comment/feedback:', 1523: 'title' => 'Title', 1524: 'reta' => 'Retained attachments', 1525: 'atta' => 'Attachment', 1526: ); 1527: my $restitle = &get_resource_title($caller_symb,$feedurl); 1528: my $quote=''; 1529: my $subject = ''; 1530: my $comment = ''; 1531: my $prevtag = ''; 1532: my $parentmsg = ''; 1533: my ($symb,$idx,$attachmenturls); 1534: my $numoldver = 0; 1535: my $attachmsg = ''; 1536: my $newattachmsg = ''; 1537: my @currnewattach = (); 1538: my @currdelold = (); 1539: my @keepold = (); 1540: my %attachments = (); 1541: my %currattach = (); 1542: my $attachnum = 0; 1543: my $anonchk = (<<END); 1544: function anonchk() { 1545: for (var i=0; i < document.mailform.discuss.length; i++) { 1546: if (document.mailform.discuss[i].checked) { 1547: document.attachment.discuss.value = 1548: document.mailform.discuss[i].value; 1549: } 1550: } 1551: if (document.mailform.blog.checked) { 1552: document.attachment.blog.value = 1; 1553: } 1554: return 1555: } 1556: END 1557: my $anonscript; 1558: if (exists($env{'form.origpage'})) { 1559: $anonscript = (<<END); 1560: function setposttype() { 1561: var disc = "$env{'form.discuss'}"; 1562: for (var i=0; i < document.mailform.discuss.length; i++) { 1563: if (disc == document.mailform.discuss[i].value) { 1564: document.mailform.discuss[i].checked = 1; 1565: } 1566: } 1567: var blog = "$env{'form.blog'}"; 1568: if (blog == 1) { 1569: document.mailform.blog.checked=1; 1570: } 1571: return 1572: } 1573: END 1574: } else { 1575: $anonscript = (<<END); 1576: function setposttype() { 1577: return 1578: } 1579: END 1580: } 1581: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1582: if ($env{'form.replydisc'}) { 1583: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1584: } else { 1585: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1586: } 1587: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1588: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1589: $env{'course.'.$env{'request.course.id'}.'.num'}); 1590: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1591: if ($contrib{$idx.':history'}) { 1592: if ($contrib{$idx.':history'} =~ /:/) { 1593: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1594: $numoldver = @oldversions; 1595: } else { 1596: $numoldver = 1; 1597: } 1598: } 1599: if ($env{'form.replydisc'}) { 1600: if ($contrib{$idx.':history'}) { 1601: if ($contrib{$idx.':history'} =~ /:/) { 1602: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1603: $numoldver = @oldversions; 1604: } else { 1605: $numoldver = 1; 1606: } 1607: } 1608: if ($idx > 0) { 1609: my %msgversions = (); 1610: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1611: $quote = $msgversions{$numoldver}; 1612: } 1613: if ($idx > 0) { 1614: my %subversions = (); 1615: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1616: $subject = &mt('Re: ').$subversions{$numoldver}; 1617: } 1618: $subject = &HTML::Entities::encode($subject,'<>&"'); 1619: } else { 1620: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1621: if ($idx > 0) { 1622: my %msgversions = (); 1623: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1624: $comment = $msgversions{$numoldver}; 1625: my %subversions = (); 1626: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1627: $subject = $subversions{$numoldver}; 1628: } 1629: if (defined($contrib{$idx.':replyto'})) { 1630: $parentmsg = $contrib{$idx.':replyto'}; 1631: } 1632: unless (exists($env{'form.origpage'})) { 1633: my $anonflag = 'nonanon'; 1634: if ($contrib{$idx.':anonymous'}) { 1635: $anonflag = 'anon'; 1636: } 1637: $anonscript = (<<END); 1638: function setposttype () { 1639: var currtype = "$anonflag"; 1640: for (var i=0; i<document.mailform.discuss.length; i++) { 1641: if (document.mailform.elements.discuss[i].value == currtype ) { 1642: document.mailform.elements.discuss[i].checked=1; 1643: } 1644: } 1645: return 1646: } 1647: END 1648: } 1649: } 1650: } 1651: if ($env{'form.previous'}) { 1652: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1653: } 1654: } 1655: 1656: if ($env{'form.origpage'}) { 1657: $subject = &unescape($env{'form.subject'}); 1658: $comment = &unescape($env{'form.comment'}); 1659: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1660: } 1661: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1662: my $send=&mt('Send'); 1663: my $alert = &mt('Please select a feedback type.'); 1664: my $js= <<END; 1665: <script type="text/javascript"> 1666: // 1700: </script> 1701: END 1702: 1703: my ($textareaheader,$textareaclass); 1704: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1705: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1706: $textareaclass = 'class="LC_richDefaultOff"'; 1707: if ($env{'request.course.id'}) { 1708: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1709: undef($textareaclass); 1710: } 1711: } 1712: } 1713: 1714: # Breadcrumbs 1715: my $brcrum = [{'href' => '', 1716: 'text' => 'Resource Feedback and Discussion'}]; 1717: 1718: my %onload = ('onload' => 'window.focus();setposttype();'); 1719: my $start_page= 1720: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1721: {'add_entries' => \%onload, 1722: 'bread_crumbs' => $brcrum,}); 1723: 1724: if ($quote ne '') { 1725: $quote = &HTML::Entities::decode($quote); 1726: unless (&contains_block_html($quote)) { 1727: &newline_to_br(\$quote); 1728: } 1729: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1730: } 1731: 1732: $r->print(<<END); 1733: $start_page 1734: <h2><tt>$restitle</tt></h2> 1735: <form action="/adm/feedback" method="post" name="mailform" 1736: enctype="multipart/form-data"> 1737: $prevtag 1738: <input type="hidden" name="postdata" value="$feedurl" /> 1739: END 1740: if ($env{'form.replydisc'}) { 1741: $r->print(<<END); 1742: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1743: END 1744: } elsif ($env{'form.editdisc'}) { 1745: $r->print(<<END); 1746: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1747: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1748: END 1749: } 1750: $r->print(<<END); 1751: $options<hr /> 1752: $quote 1753: <p>$lt{'myqu'} 1754: $textareaheader 1755: </p> 1756: <p> 1757: $latexHelp 1758: </p> 1759: <p> 1760: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1761: <p> 1762: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1763: </textarea></p> 1764: END 1765: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1766: if ($env{'form.origpage'}) { 1767: foreach my $attach (@currnewattach) { 1768: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1769: } 1770: foreach my $oldatt (@currdelold) { 1771: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1772: } 1773: } 1774: if ($env{'form.editdisc'}) { 1775: if ($attachmenturls) { 1776: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1777: $attachnum = scalar(keys(%currattach)); 1778: foreach my $key (keys(%currattach)) { 1779: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1780: } 1781: } 1782: } 1783: } else { 1784: $r->print(<<END); 1785: <p> 1786: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1787: </p> 1788: END 1789: } 1790: if (exists($env{'form.group'})) { 1791: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1792: } 1793: if (exists($env{'form.ref'})) { 1794: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1795: } 1796: $r->print(<<END); 1797: <p> 1798: <input type="hidden" name="sendit" value="1" /> 1799: <input type="button" value="$send" onclick='gosubmit();' /> 1800: </p> 1801: </form> 1802: END 1803: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1804: my $now = time; 1805: my $ressymb = $symb; 1806: &Apache::lonenc::check_encrypt(\$ressymb); 1807: my $postidx = ''; 1808: if ($env{'form.editdisc'}) { 1809: $postidx = $idx; 1810: } 1811: if (@currnewattach > 0) { 1812: $attachnum += @currnewattach; 1813: } 1814: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1815: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1816: if ($attachnum > 0) { 1817: if (@currnewattach > 0) { 1818: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1819: if (@currnewattach > 1) { 1820: $newattachmsg .= '<ol>'; 1821: foreach my $item (@currnewattach) { 1822: $item =~ m#.*/([^/]+)$#; 1823: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1824: } 1825: $newattachmsg .= '</ol>'."\n"; 1826: } else { 1827: $currnewattach[0] =~ m#.*/([^/]+)$#; 1828: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1829: } 1830: } 1831: if ($attachmsg) { 1832: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1833: } 1834: if ($newattachmsg) { 1835: $r->print("$newattachmsg<br />"); 1836: } 1837: } 1838: } 1839: $r->print(&generate_preview_button(). 1840: &Apache::loncommon::end_page()); 1841: 1842: } 1843: 1844: sub print_display_options { 1845: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1846: &Apache::loncommon::content_type($r,'text/html'); 1847: $r->send_http_header; 1848: 1849: my $function = &Apache::loncommon::get_users_function(); 1850: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1851: $env{'user.domain'}); 1852: 1853: my %lt = &Apache::lonlocal::texthash( 1854: 'pref' => 'Display Preference', 1855: 'curr' => 'Current setting ', 1856: 'actn' => 'Action', 1857: 'deff' => 'Default for all discussions', 1858: 'prca' => 'Preferences can be set for this discussion that determine ....', 1859: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1860: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1861: 'wipa' => 'Whether individual posts can be marked as read/unread', 1862: 'allposts' => 'All posts', 1863: 'unread' => 'New posts only', 1864: 'unmark' => 'Posts not marked read', 1865: 'ondisp' => 'Once displayed', 1866: 'onmark' => 'Once marked not NEW', 1867: 'toggon' => 'Shown', 1868: 'toggoff' => 'Not shown', 1869: 'disa' => 'Posts displayed?', 1870: 'npmr' => 'New posts cease to be identified as "NEW"?', 1871: 'dotm' => 'Option to mark each post as read/unread?', 1872: 'chgt' => 'Change to ', 1873: 'mkdf' => 'Set to ', 1874: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1875: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1876: ); 1877: 1878: my $dispchangeA = $lt{'unread'}; 1879: my $dispchangeB = $lt{'unmark'}; 1880: my $markchange = $lt{'ondisp'}; 1881: my $toggchange = $lt{'toggon'}; 1882: my $currdisp = $lt{'allposts'}; 1883: my $currmark = $lt{'onmark'}; 1884: my $discdisp = 'allposts'; 1885: my $discmark = 'onmark'; 1886: my $currtogg = $lt{'toggoff'}; 1887: my $disctogg = 'toggoff'; 1888: 1889: if ($dispchgA eq 'allposts') { 1890: $dispchangeA = $lt{'allposts'}; 1891: $currdisp = $lt{'unread'}; 1892: $discdisp = 'unread'; 1893: } 1894: 1895: if ($markchg eq 'markonread') { 1896: $markchange = $lt{'onmark'}; 1897: $currmark = $lt{'ondisp'}; 1898: $discmark = 'ondisp'; 1899: } 1900: 1901: if ($dispchgB eq 'onlyunread') { 1902: $dispchangeB = $lt{'unread'}; 1903: $currdisp = $lt{'unmark'}; 1904: $discdisp = 'unmark'; 1905: } 1906: if ($toggchg eq 'toggoff') { 1907: $toggchange = $lt{'toggoff'}; 1908: $currtogg = $lt{'toggon'}; 1909: $disctogg = 'toggon'; 1910: } 1911: 1912: my $js = <<END; 1913: <script type="text/javascript"> 1914: function discdispChk(caller) { 1915: var disctogg = '$toggchg' 1916: if (caller == 0) { 1917: if (document.modifydisp.discdisp[0].checked == true) { 1918: if (document.modifydisp.discdisp[1].checked == true) { 1919: document.modifydisp.discdisp[1].checked = false 1920: } 1921: } 1922: } 1923: if (caller == 1) { 1924: if (document.modifydisp.discdisp[1].checked == true) { 1925: if (document.modifydisp.discdisp[0].checked == true) { 1926: document.modifydisp.discdisp[0].checked = false 1927: } 1928: if (disctogg == 'toggon') { 1929: document.modifydisp.disctogg.checked = true 1930: } 1931: if (disctogg == 'toggoff') { 1932: document.modifydisp.disctogg.checked = false 1933: } 1934: } 1935: } 1936: if (caller == 2) { 1937: var dispchgB = '$dispchgB' 1938: if (disctogg == 'toggoff') { 1939: if (document.modifydisp.disctogg.checked == true) { 1940: if (dispchgB == 'onlyunmark') { 1941: document.modifydisp.discdisp[1].checked = false 1942: } 1943: } 1944: } 1945: } 1946: } 1947: 1948: function setDisp() { 1949: var prev = "$previous" 1950: var chktotal = 0 1951: if (document.modifydisp.discdisp[0].checked == true) { 1952: document.modifydisp.$dispchgA.value = "$symb" 1953: chktotal ++ 1954: } 1955: if (document.modifydisp.discdisp[1].checked == true) { 1956: document.modifydisp.$dispchgB.value = "$symb" 1957: chktotal ++ 1958: } 1959: if (document.modifydisp.discmark.checked == true) { 1960: document.modifydisp.$markchg.value = "$symb" 1961: chktotal ++ 1962: } 1963: if (document.modifydisp.disctogg.checked == true) { 1964: document.modifydisp.$toggchg.value = "$symb" 1965: chktotal ++ 1966: } 1967: if (chktotal > 0) { 1968: document.modifydisp.submit() 1969: } else { 1970: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1971: if (prev > 0) { 1972: location.href = "$feedurl?previous=$previous" 1973: } else { 1974: location.href = "$feedurl" 1975: } 1976: } 1977: } 1978: } 1979: </script> 1980: END 1981: 1982: 1983: my $start_page = 1984: &Apache::loncommon::start_page('Discussion display options',$js); 1985: my $end_page = 1986: &Apache::loncommon::end_page(); 1987: $r->print(<<END); 1988: $start_page 1989: <form name="modifydisp" method="post" action="/adm/feedback"> 1990: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1991: <br /> 1992: END 1993: $r->print(&Apache::loncommon::start_data_table()); 1994: $r->print(<<END); 1995: <tr> 1996: <th>$lt{'pref'}</td> 1997: <th>$lt{'curr'}</td> 1998: <th>$lt{'actn'}?</td> 1999: </tr> 2000: END 2001: $r->print(&Apache::loncommon::start_data_table_row()); 2002: $r->print(<<END); 2003: <td>$lt{'disa'}</td> 2004: <td>$lt{$discdisp}</td> 2005: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2006: <br /> 2007: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2008: </td> 2009: END 2010: $r->print(&Apache::loncommon::end_data_table_row()); 2011: $r->print(&Apache::loncommon::start_data_table_row()); 2012: $r->print(<<END); 2013: <td>$lt{'npmr'}</td> 2014: <td>$lt{$discmark}</td> 2015: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2016: END 2017: $r->print(&Apache::loncommon::end_data_table_row()); 2018: $r->print(&Apache::loncommon::start_data_table_row()); 2019: $r->print(<<END); 2020: <td>$lt{'dotm'}</td> 2021: <td>$lt{$disctogg}</td> 2022: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2023: END 2024: my $save = &mt('Save'); 2025: $r->print(&Apache::loncommon::end_data_table_row()); 2026: $r->print(&Apache::loncommon::end_data_table()); 2027: $r->print(<<END); 2028: <br /> 2029: <br /> 2030: <input type="hidden" name="symb" value="$symb" /> 2031: <input type="hidden" name="previous" value="$previous" /> 2032: <input type="hidden" name="$dispchgA" value="" /> 2033: <input type="hidden" name="$dispchgB" value="" /> 2034: <input type="hidden" name="$markchg" value="" /> 2035: <input type="hidden" name="$toggchg" value="" /> 2036: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2037: END 2038: if (exists($env{'form.group'})) { 2039: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2040: } 2041: if (exists($env{'form.ref'})) { 2042: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2043: } 2044: $r->print(" 2045: <br /> 2046: <br /> 2047: </form> 2048: $end_page 2049: "); 2050: return; 2051: } 2052: 2053: sub print_sortfilter_options { 2054: my ($r,$symb,$previous,$feedurl) = @_; 2055: 2056: &Apache::loncommon::content_type($r,'text/html'); 2057: $r->send_http_header; 2058: 2059: &Apache::lonenc::check_encrypt(\$symb); 2060: my @sections; 2061: my $section_sel = ''; 2062: my $numvisible = 5; 2063: my @groups; 2064: my $group_sel = ''; 2065: my $numgroupvis = 5; 2066: my %sectioncount = &Apache::loncommon::get_sections(); 2067: my @courseroles = qw(st ad ep ta in); 2068: my $crstype = &Apache::loncommon::course_type(); 2069: my $ccrole = 'cc'; 2070: if ($crstype eq 'Community') { 2071: $ccrole = 'co'; 2072: } 2073: push(@courseroles,$ccrole); 2074: 2075: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2076: @sections = ('all',$env{'request.course.sec'}); 2077: $numvisible = 2; 2078: } else { 2079: @sections = sort {$a cmp $b} keys(%sectioncount); 2080: if (scalar(@sections) < 4) { 2081: $numvisible = scalar(@sections) + 1; 2082: } 2083: unshift(@sections,'all'); # Put 'all' at the front of the list 2084: 2085: } 2086: foreach my $sec (@sections) { 2087: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2088: } 2089: 2090: if (&check_group_priv() eq 'ok') { 2091: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2092: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2093: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2094: @groups = sort {$a cmp $b} keys(%curr_groups); 2095: if (scalar(@groups) < 4) { 2096: $numgroupvis = scalar(@groups) + 1; 2097: } 2098: unshift(@groups,'all'); # Put 'all' at the front of the list 2099: } else { 2100: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2101: if (@coursegroups > 0) { 2102: @coursegroups = sort {$a cmp $b} @coursegroups; 2103: @groups = ('all',@coursegroups); 2104: if (scalar(@groups) < 4) { 2105: $numgroupvis = scalar(@groups) + 1; 2106: } 2107: } else { 2108: @groups = ('all'); 2109: $numgroupvis = 1; 2110: } 2111: } 2112: foreach my $group (@groups) { 2113: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2114: } 2115: 2116: my $function = &Apache::loncommon::get_users_function(); 2117: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2118: $env{'user.domain'}); 2119: my %lt = &Apache::lonlocal::texthash( 2120: 'diop' => 'Display Options', 2121: 'curr' => 'Current setting ', 2122: 'actn' => 'Action', 2123: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2124: 'soor' => 'Sort order', 2125: 'spur' => 'Specific user roles', 2126: 'sprs' => 'Specific role status', 2127: 'spse' => 'Specific sections', 2128: 'spgr' => 'Specific groups', 2129: 'psub' => 'Pick specific users (by name)', 2130: 'shal' => 'Show a list of current posters', 2131: 'stor' => 'Save changes', 2132: ); 2133: 2134: my %sort_types = (); 2135: my %role_types = (); 2136: my %status_types = (); 2137: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2138: 2139: my $js = <<END; 2140: <script type="text/javascript"> 2141: function verifyFilter() { 2142: var rolenum = 0 2143: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2144: if (document.modifyshown.rolefilter.options[i].selected == true) { 2145: rolenum ++ 2146: } 2147: } 2148: if (rolenum == 0) { 2149: document.modifyshown.rolefilter.options[0].selected = true 2150: } 2151: 2152: var secnum = 0 2153: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2154: if (document.modifyshown.sectionpick.options[i].selected == true) { 2155: secnum ++ 2156: } 2157: } 2158: if (secnum == 0) { 2159: document.modifyshown.sectionpick.options[0].selected = true 2160: } 2161: 2162: var grpnum = 0 2163: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2164: if (document.modifyshown.grouppick.options[i].selected == true) { 2165: grpnum ++ 2166: } 2167: } 2168: if (grpnum == 0) { 2169: document.modifyshown.grouppick.options[0].selected = true 2170: } 2171: 2172: document.modifyshown.submit(); 2173: } 2174: </script> 2175: END 2176: 2177: my $start_page= 2178: &Apache::loncommon::start_page('Discussion options',$js); 2179: my $end_page= 2180: &Apache::loncommon::end_page(); 2181: 2182: $r->print(<<END); 2183: $start_page 2184: <form name="modifyshown" method="post" action="/adm/feedback"> 2185: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2186: <br /><br /> 2187: <table border="0"> 2188: <tr> 2189: <th>$lt{'soor'}</th> 2190: <th> </th> 2191: <th>$lt{'sprs'}</th> 2192: <th> </th> 2193: <th>$lt{'spur'}</th> 2194: <th> </th> 2195: <th>$lt{'spse'}</th> 2196: <th> </th> 2197: <th>$lt{'spgr'}</th> 2198: <th> </th> 2199: <th>$lt{'psub'}</th> 2200: </tr> 2201: <tr> 2202: <td align="center" valign="top"> 2203: <select name="sortposts"> 2204: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2205: <option value="descdate">$sort_types{'descdate'}</option> 2206: <option value="thread">$sort_types{'thread'}</option> 2207: <option value="subject">$sort_types{'subject'}</option> 2208: <option value="username">$sort_types{'username'}</option> 2209: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2210: </select> 2211: </td> 2212: <td> </td> 2213: <td align="center" valign="top"> 2214: <select name="statusfilter"> 2215: <option value="all" selected="selected">$status_types{'all'}</option> 2216: <option value="Active">$status_types{'Active'}</option> 2217: <option value="Expired">$status_types{'Expired'}</option> 2218: <option value="Future">$status_types{'Future'}</option> 2219: </select> 2220: </td> 2221: <td> </td> 2222: <td align="center" valign="top"> 2223: <select name="rolefilter" multiple="multiple" size="5"> 2224: <option value="all">$role_types{'all'}</option> 2225: <option value="st">$role_types{'st'}</option> 2226: <option value="$ccrole">$role_types{$ccrole}</option> 2227: <option value="in">$role_types{'in'}</option> 2228: <option value="ta">$role_types{'ta'}</option> 2229: <option value="ep">$role_types{'ep'}</option> 2230: <option value="ad">$role_types{'ad'}</option> 2231: <option value="cr">$role_types{'cr'}</option> 2232: </select> 2233: </td> 2234: <td> </td> 2235: <td align="center" valign="top"> 2236: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2237: $section_sel 2238: </select> 2239: </td> 2240: <td> </td> 2241: <td align="center" valign="top"> 2242: <select name="grouppick" multiple="multiple" size="$numvisible"> 2243: $group_sel 2244: </select> 2245: </td> 2246: <td> </td> 2247: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2248: </tr> 2249: </table> 2250: <br /> 2251: <br /> 2252: <input type="hidden" name="previous" value="$previous" /> 2253: <input type="hidden" name="applysort" value="$symb" /> 2254: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2255: END 2256: if (exists($env{'form.group'})) { 2257: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2258: } 2259: if (exists($env{'form.ref'})) { 2260: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2261: } 2262: $r->print(" 2263: <br /> 2264: <br /> 2265: </form> 2266: $end_page 2267: "); 2268: } 2269: 2270: sub print_showposters { 2271: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2272: 2273: &Apache::loncommon::content_type($r,'text/html'); 2274: $r->send_http_header; 2275: 2276: &Apache::lonenc::check_encrypt(\$symb); 2277: my $crs='/'.$env{'request.course.id'}; 2278: if ($env{'request.course.sec'}) { 2279: $crs.='_'.$env{'request.course.sec'}; 2280: } 2281: $crs=~s/\_/\//g; 2282: my $seeid; 2283: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2284: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2285: my $group = $env{'form.group'}; 2286: my $ressymb = &wrap_symb($symb); 2287: if (($group ne '') && 2288: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2289: if (&check_group_priv($group,'dgp') eq 'ok') { 2290: $seeid = 1; 2291: } 2292: } else { 2293: $seeid=&Apache::lonnet::allowed('rin',$crs); 2294: } 2295: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2296: $cdom,$cnum); 2297: my %namesort = (); 2298: my %postcounts = (); 2299: 2300: my %lt = &Apache::lonlocal::texthash( 2301: sele => 'Select', 2302: full => 'Fullname', 2303: usdo => 'Username:domain', 2304: post => 'Posts', 2305: ); 2306: if ($contrib{'version'}) { 2307: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2308: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2309: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2310: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2311: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2312: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2313: my $lastname = $names{'lastname'}; 2314: my $firstname = $names{'firstname'}; 2315: if ($lastname eq '') { 2316: $lastname = '_'; 2317: } 2318: if ($firstname eq '') { 2319: $firstname = '_'; 2320: } 2321: unless (defined($namesort{$lastname})) { 2322: %{$namesort{$lastname}} = (); 2323: } 2324: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2325: $postcounts{$poster} ++; 2326: if (defined($namesort{$lastname}{$firstname})) { 2327: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2328: push(@{$namesort{$lastname}{$firstname}}, $poster); 2329: } 2330: } else { 2331: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2332: } 2333: } 2334: } 2335: } 2336: } 2337: 2338: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2339: my $table_start =&Apache::loncommon::start_data_table(); 2340: $r->print(<<END); 2341: $start_page 2342: <form name="pickpostersform" method="post"> 2343: <br /> 2344: $table_start 2345: <tr> 2346: <th>#</th> 2347: <th>$lt{'sele'}</th> 2348: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2349: <th>$lt{'post'}</th> 2350: </tr> 2351: END 2352: my $count = 0; 2353: foreach my $last (sort(keys(%namesort))) { 2354: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2355: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2356: my ($uname,$udom) = split(/:/,$user); 2357: if (!$uname || !$udom) { 2358: next; 2359: } else { 2360: $count ++; 2361: $r->print(&Apache::loncommon::start_data_table_row(). 2362: '<td align="right">'.$count.'</td> 2363: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2364: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2365: <td>'.$postcounts{$user}.'</td>'. 2366: &Apache::loncommon::end_data_table_row()); 2367: } 2368: } 2369: } 2370: } 2371: $r->print(&Apache::loncommon::end_data_table()); 2372: my $end_page = &Apache::loncommon::end_page(); 2373: $r->print(<<END); 2374: <br /> 2375: <input type="hidden" name="sortposts" value="$sortposts" /> 2376: <input type="hidden" name="userpick" value="$symb" /> 2377: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2378: </form> 2379: $end_page 2380: END 2381: } 2382: 2383: sub get_post_versions { 2384: my ($versions,$incoming,$htmldecode,$numver) = @_; 2385: if ($incoming =~ /^<version num="0">/) { 2386: my $p = HTML::LCParser->new(\$incoming); 2387: my $done = 0; 2388: 2389: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2390: my $num = $token->[1]{num}; 2391: my $text = $p->get_text("/version"); 2392: if (defined($numver)) { 2393: if ($num == $numver) { 2394: if ($htmldecode) { 2395: $text = &HTML::Entities::decode($text); 2396: } 2397: $$versions{$numver}=$text; 2398: $done = 1; 2399: } 2400: } else { 2401: if ($htmldecode) { 2402: $text = &HTML::Entities::decode($text); 2403: } 2404: $$versions{$num}=$text; 2405: } 2406: } 2407: } else { 2408: if (!defined($numver)) { 2409: $numver = 0; 2410: } 2411: if ($htmldecode) { 2412: $$versions{$numver} = $incoming; 2413: } else { 2414: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2415: } 2416: } 2417: return; 2418: } 2419: 2420: sub get_post_attachments { 2421: my ($attachments,$attachmenturls) = @_; 2422: my $num; 2423: if ($attachmenturls =~ m/^<attachment id="0">/) { 2424: my $p = HTML::LCParser->new(\$attachmenturls); 2425: while (my $token = $p->get_tag("attachment","filename","post")) { 2426: if ($token->[0] eq "attachment") { 2427: $num = $token->[1]{id}; 2428: %{$$attachments{$num}} =(); 2429: } elsif ($token->[0] eq "filename") { 2430: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2431: } elsif ($token->[0] eq "post") { 2432: my $id = $token->[1]{id}; 2433: $$attachments{$num}{$id} = $p->get_text("/post"); 2434: } 2435: } 2436: } else { 2437: %{$$attachments{'0'}} = (); 2438: $$attachments{'0'}{'filename'} = $attachmenturls; 2439: $$attachments{'0'}{'0'} = 'n'; 2440: } 2441: 2442: return; 2443: } 2444: 2445: sub fail_redirect { 2446: my ($r,$feedurl) = @_; 2447: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2448: my %lt = &Apache::lonlocal::texthash( 2449: 'sorr' => 'Sorry, no recipients ...', 2450: ); 2451: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2452: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2453: {'redirect' => [2,$feedurl], 2454: 'only_body' => 1,})); 2455: $r->print(<<ENDFAILREDIR); 2456: <img align="right" src="$logo" /> 2457: <b>$lt{'sorr'}</b> 2458: ENDFAILREDIR 2459: $r->print(&Apache::loncommon::end_page()); 2460: } 2461: 2462: sub redirect_back { 2463: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2464: my $sorttag = ''; 2465: my $roletag = ''; 2466: my $statustag = ''; 2467: my $sectag = ''; 2468: my $grptag = ''; 2469: my $userpicktag = ''; 2470: my $qrystr = ''; 2471: my $prevtag = ''; 2472: 2473: &Apache::loncommon::content_type($r,'text/html'); 2474: $r->send_http_header; 2475: &dewrapper(\$feedurl); 2476: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2477: if ($previous > 0) { 2478: $qrystr = 'previous='.$previous; 2479: if ($feedurl =~ /\?register=1/) { 2480: $feedurl .= '&'.$qrystr; 2481: } else { 2482: $feedurl .= '?'.$qrystr; 2483: } 2484: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2485: } 2486: if (defined($sort)) { 2487: my $sortqry = 'sortposts='.$sort; 2488: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2489: $feedurl .= '&'.$sortqry; 2490: } else { 2491: $feedurl .= '?'.$sortqry; 2492: } 2493: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2494: if (defined($numpicks)) { 2495: my $userpickqry = 'totposters='.$numpicks; 2496: $feedurl .= '&'.$userpickqry; 2497: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2498: } else { 2499: if (ref($sectionpick) eq 'ARRAY') { 2500: $feedurl .= '&sectionpick='; 2501: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2502: foreach my $sec (@{$sectionpick}) { 2503: $feedurl .= $sec.','; 2504: $sectag .= $sec.','; 2505: } 2506: $feedurl =~ s/,$//; 2507: $sectag =~ s/,$//; 2508: $sectag .= '" />'; 2509: } else { 2510: $feedurl .= '&sectionpick='.$sectionpick; 2511: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2512: } 2513: if (ref($grouppick) eq 'ARRAY') { 2514: $feedurl .= '&grouppick='; 2515: $sectag .= '<input type="hidden" name="grouppick" value="'; 2516: foreach my $grp (@{$grouppick}) { 2517: $feedurl .= $grp.','; 2518: $grptag .= $grp.','; 2519: } 2520: $feedurl =~ s/,$//; 2521: $grptag =~ s/,$//; 2522: $grptag .= '" />'; 2523: } else { 2524: $feedurl .= '&grouppick='.$grouppick; 2525: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2526: } 2527: if (ref($rolefilter) eq 'ARRAY') { 2528: $feedurl .= '&rolefilter='; 2529: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2530: foreach my $role (@{$rolefilter}) { 2531: $feedurl .= $role.','; 2532: $roletag .= $role.','; 2533: } 2534: $feedurl =~ s/,$//; 2535: $roletag =~ s/,$//; 2536: $roletag .= '" />'; 2537: } else { 2538: $feedurl .= '&rolefilter='.$rolefilter; 2539: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2540: } 2541: $feedurl .= '&statusfilter='.$statusfilter; 2542: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2543: } 2544: } 2545: my $grouptag; 2546: if ($group ne '') { 2547: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2548: my $refarg; 2549: if (exists($env{'form.ref'})) { 2550: $refarg = '&ref='.$env{'form.ref'}; 2551: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2552: } 2553: if ($feedurl =~ /\?/) { 2554: $feedurl .= '&group='.$group.$refarg; 2555: } else { 2556: $feedurl .= '?group='.$group.$refarg; 2557: } 2558: } 2559: &Apache::lonenc::check_encrypt(\$feedurl); 2560: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2561: my %onload; 2562: my $start_page= 2563: &Apache::loncommon::start_page('Feedback sent',undef, 2564: {'redirect' => [0,$feedurl], 2565: 'only_body' => 1, 2566: 'add_entries' => \%onload}); 2567: my $end_page = &Apache::loncommon::end_page(); 2568: $r->print(<<ENDREDIR); 2569: $start_page 2570: <img align="right" src="$logo" /> 2571: $typestyle 2572: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2573: $blog 2574: $toolarge 2575: <font color="red">$status</font> 2576: <form name="reldt" action="$feedurl" target="loncapaclient"> 2577: $prevtag 2578: $sorttag 2579: $statustag 2580: $roletag 2581: $sectag 2582: $grptag 2583: $userpicktag 2584: $grouptag 2585: </form> 2586: $end_page 2587: ENDREDIR 2588: } 2589: 2590: sub no_redirect_back { 2591: my ($r,$feedurl) = @_; 2592: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2593: 2594: my %onload; 2595: 2596: my %body_options = ('only_body' => 1, 2597: 'bgcolor' => '#FFFFFF', 2598: 'add_entries' => \%onload,); 2599: 2600: if ($feedurl !~ m{^/adm/feedback}) { 2601: $body_options{'rediect'} = [2,$feedurl]; 2602: } 2603: my $start_page= 2604: &Apache::loncommon::start_page('Feedback not sent',undef, 2605: \%body_options); 2606: 2607: my $end_page = &Apache::loncommon::end_page(); 2608: 2609: &Apache::lonenc::check_encrypt(\$feedurl); 2610: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2611: $r->print (<<ENDNOREDIRTWO); 2612: $start_page 2613: <img align="right" src="$logo" /> 2614: <b>$nofeed</b> 2615: <br /> 2616: $end_page 2617: ENDNOREDIRTWO 2618: } 2619: 2620: sub screen_header { 2621: my ($feedurl,$symb) = @_; 2622: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2623: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2624: my $contribdisc = &mt('Contribution to course discussion of resource'); 2625: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2626: my $namevis = &mt('name only visible to course faculty'); 2627: my $crstype; 2628: if ($env{'request.course.id'}) { 2629: $crstype = &Apache::loncommon::course_type(); 2630: if ($crstype eq 'Community') { 2631: $crscontent = &mt('Question/Comment/Feedback about community content'); 2632: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2633: $contribdisc = &mt('Contribution to community discussion of resource'); 2634: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2635: $namevis = &mt('name only visible to community facilitators'); 2636: } 2637: } 2638: my $msgoptions=''; 2639: my $discussoptions=''; 2640: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2641: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2642: $msgoptions= 2643: '<p><label><input type="radio" name="discuss" value="author" /> '. 2644: &mt('Feedback to resource author').'</label></p>'; 2645: } 2646: my %optionhash=(); 2647: foreach my $type ('question','comment','policy') { 2648: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2649: } 2650: if (&feedback_available(1)) { 2651: $msgoptions.= 2652: '<p><label><input type="radio" name="discuss" value="question" /> '. 2653: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2654: } 2655: if (&feedback_available(0,1)) { 2656: $msgoptions.= 2657: '<p><label><input type="radio" name="discuss" value="course" /> '. 2658: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2659: '</label></p>'; 2660: } 2661: if (&feedback_available(0,0,1)) { 2662: $msgoptions.= 2663: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2664: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2665: '</label></p>'; 2666: } 2667: } 2668: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2669: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2670: my $realsymb = $symb; 2671: if ($symb=~/^bulletin___/) { 2672: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2673: $filename=~s|^adm/wrapper/||; 2674: $realsymb=&Apache::lonnet::symbread($filename); 2675: } 2676: if (!$blocked && &discussion_open(undef,$realsymb) && 2677: &Apache::lonnet::allowed('pch', 2678: $env{'request.course.id'}. 2679: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2680: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2681: $contribdisc. 2682: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2683: $anoncontrib. 2684: ' <i>('.$namevis.')</i></label> '. 2685: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2686: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2687: if (!$blockblog) { 2688: $discussoptions.= &add_blog_checkbox($crstype); 2689: } 2690: } 2691: } 2692: if ($msgoptions) { 2693: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2694: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2695: .$msgoptions; 2696: } 2697: if ($discussoptions) { 2698: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2699: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2700: .$discussoptions; 2701: } 2702: return $msgoptions.$discussoptions; 2703: } 2704: 2705: sub resource_output { 2706: my ($feedurl) = @_; 2707: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2708: $usersaw=~s/\<body[^\>]*\>//gi; 2709: $usersaw=~s/\<\/body\>//gi; 2710: $usersaw=~s/\<html\>//gi; 2711: $usersaw=~s/\<\/html\>//gi; 2712: $usersaw=~s/\<head\>//gi; 2713: $usersaw=~s/\<\/head\>//gi; 2714: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2715: return $usersaw; 2716: } 2717: 2718: sub clear_out_html { 2719: my ($message,$override)=@_; 2720: # Always allow the <m>-tag 2721: my %html=(M=>1); 2722: # Check if more is allowed 2723: my $cid=$env{'request.course.id'}; 2724: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2725: ($override)) { 2726: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2727: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2728: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2729: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2730: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2731: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2732: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2733: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2734: } 2735: # Do the substitution of everything that is not explicitly allowed 2736: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2737: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2738: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2739: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2740: return $message; 2741: } 2742: 2743: sub assemble_email { 2744: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2745: my %lt = &Apache::lonlocal::texthash( 2746: 'prev' => 'Previous attempts of student (if applicable)', 2747: 'orig' => 'Original screen output (if applicable)', 2748: 'corr' => 'Correct Answer(s) (if applicable)', 2749: ); 2750: if (&Apache::loncommon::course_type() eq 'Community') { 2751: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2752: } 2753: my $email=<<"ENDEMAIL"; 2754: $message 2755: ENDEMAIL 2756: my $citations=<<"ENDCITE"; 2757: <h2>$lt{'prev'}</h2> 2758: $prevattempts 2759: <br /><hr /> 2760: <h2>$lt{'orig'}</h2> 2761: $usersaw 2762: <h2>$lt{'corr'}</h2> 2763: $useranswer 2764: ENDCITE 2765: return ($email,$citations); 2766: } 2767: 2768: 2769: sub feedback_available { 2770: my ($question,$course,$policy)=@_; 2771: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2772: $course,$policy); 2773: return scalar(%to); 2774: } 2775: 2776: sub send_msg { 2777: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2778: my $status=''; 2779: my $sendsomething=0; 2780: my $restitle = &get_resource_title($symb,$feedurl); 2781: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2782: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2783: foreach my $key (keys(%to)) { 2784: if ($key) { 2785: my ($user,$domain) = split(/\:/,$key,2); 2786: if (!defined($user)) { 2787: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2788: } elsif (!defined($domain)) { 2789: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2790: } else { 2791: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2792: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2793: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2794: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2795: } else { 2796: $sendsomething++; 2797: } 2798: } 2799: } 2800: } 2801: 2802: 2803: my %record=&Apache::lonnet::restore('_feedback'); 2804: my ($temp)=keys(%record); 2805: unless ($temp=~/^error\:/) { 2806: my %newrecord=(); 2807: $newrecord{'resource'}=$feedurl; 2808: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2809: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2810: $status.='<br />'.&mt('Not registered').'<br />'; 2811: } 2812: } 2813: 2814: return ($status,$sendsomething); 2815: } 2816: 2817: sub adddiscuss { 2818: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2819: my $status=''; 2820: my $realsymb; 2821: if ($symb=~/^bulletin___/) { 2822: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2823: $filename=~s|^adm/wrapper/||; 2824: $realsymb=&Apache::lonnet::symbread($filename); 2825: } 2826: if (&discussion_open(undef,$realsymb) && 2827: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2828: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2829: 2830: my %contrib=('message' => $email, 2831: 'sendername' => $env{'user.name'}, 2832: 'senderdomain' => $env{'user.domain'}, 2833: 'screenname' => $env{'environment.screenname'}, 2834: 'plainname' => $env{'environment.firstname'}.' '. 2835: $env{'environment.middlename'}.' '. 2836: $env{'environment.lastname'}.' '. 2837: $env{'enrironment.generation'}, 2838: 'attachmenturl'=> $attachmenturl, 2839: 'subject' => $subject); 2840: if ($env{'form.replydisc'}) { 2841: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2842: } 2843: if ($anon) { 2844: $contrib{'anonymous'}='true'; 2845: } 2846: if (($symb) && ($email)) { 2847: my $now = time; 2848: if ($env{'form.editdisc'}) { 2849: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2850: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2851: $contrib{'timestamp'} = $now; 2852: $contrib{'history'} = ''; 2853: my $numoldver = 0; 2854: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2855: &Apache::lonenc::check_decrypt(\$oldsymb); 2856: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2857: # get timestamp for last post and history 2858: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2859: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2860: $env{'course.'.$env{'request.course.id'}.'.num'}); 2861: if (defined($oldcontrib{$oldidx.':replyto'})) { 2862: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2863: } 2864: if (defined($oldcontrib{$oldidx.':history'})) { 2865: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2866: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2867: $numoldver = @oldversions; 2868: } else { 2869: $numoldver = 1; 2870: } 2871: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2872: } 2873: my $numnewver = $numoldver + 1; 2874: if (defined($oldcontrib{$oldidx.':subject'})) { 2875: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2876: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2877: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2878: } else { 2879: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2880: } 2881: } 2882: if (defined($oldcontrib{$oldidx.':message'})) { 2883: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2884: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2885: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2886: } else { 2887: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2888: } 2889: } 2890: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2891: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2892: $oldsymb,$oldidx,\%contrib, 2893: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2894: $env{'course.'.$env{'request.course.id'}.'.num'}); 2895: $status='Editing class discussion'.($anon?' (anonymous)':''); 2896: } else { 2897: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2898: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2899: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2900: $env{'course.'.$env{'request.course.id'}.'.num'}); 2901: } 2902: my %storenewentry=($symb => $now); 2903: $status.='<br />'.&mt('Updating discussion time').': '. 2904: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2905: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2906: $env{'course.'.$env{'request.course.id'}.'.num'}); 2907: } 2908: my %record=&Apache::lonnet::restore('_discussion'); 2909: my ($temp)=keys(%record); 2910: unless ($temp=~/^error\:/) { 2911: my %newrecord=(); 2912: $newrecord{'resource'}=$symb; 2913: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2914: $status.='<br />'.&mt('Registering').': '. 2915: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2916: } 2917: } else { 2918: $status.='Failed.'; 2919: } 2920: return $status.'<br />'; 2921: } 2922: 2923: sub get_discussion_info { 2924: my ($idx,%contrib) = @_; 2925: my $changelast = 0; 2926: my $count = 0; 2927: my $hiddenflag = 0; 2928: my $deletedflag = 0; 2929: my ($hidden,$deleted,%info,$newlastdisc); 2930: my $version = $contrib{'version'}; 2931: if ($version) { 2932: for (my $id=$version; $id>0; $id--) { 2933: my $vkeys=$contrib{$id.':keys'}; 2934: my @keys=split(/:/,$vkeys); 2935: if (grep(/^hidden$/,@keys)) { 2936: if (!$hiddenflag) { 2937: $hidden = $contrib{$id.':hidden'}; 2938: $hiddenflag = 1; 2939: } 2940: } elsif (grep(/^deleted$/,@keys)) { 2941: if (!$deletedflag) { 2942: $deleted = $contrib{$id.':deleted'}; 2943: $deletedflag = 1; 2944: } 2945: } else { 2946: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2947: $count++; 2948: $info{$count}{'id'} = $id; 2949: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2950: } 2951: } 2952: } 2953: if ($info{'1'}{'id'} == $idx) { 2954: $changelast = 1; 2955: if ($count > 1) { 2956: $newlastdisc = $info{'2'}{'timestamp'}; 2957: } else { 2958: $newlastdisc = 0; 2959: } 2960: } 2961: } 2962: return ($changelast,$newlastdisc); 2963: } 2964: 2965: # ----------------------------------------------------------- Preview function 2966: 2967: sub show_preview { 2968: my ($r) = @_; 2969: &Apache::loncommon::content_type($r,'text/html'); 2970: $r->send_http_header; 2971: my $start_page= 2972: &Apache::loncommon::start_page('Preview',undef, 2973: {'only_body' => 1,}); 2974: 2975: my $message=&clear_out_html($env{'form.comment'}); 2976: &newline_to_br(\$message); 2977: $message=&Apache::lonspeller::markeduptext($message); 2978: $message=&Apache::lontexconvert::msgtexconverted($message); 2979: my $subject=&clear_out_html($env{'form.subject'}); 2980: $subject=~s/\n/\<br \/\>/g; 2981: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2982: 2983: my $end_page = &Apache::loncommon::end_page(); 2984: 2985: $r->print($start_page 2986: .'<h1>'.&mt('Preview').'</h1>' 2987: .&Apache::lonhtmlcommon::start_pick_box() 2988: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2989: .$subject 2990: .&Apache::lonhtmlcommon::row_closure() 2991: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2992: .$message 2993: .&Apache::lonhtmlcommon::row_closure(1) 2994: .&Apache::lonhtmlcommon::end_pick_box() 2995: .$end_page 2996: ); 2997: } 2998: 2999: sub contains_block_html { 3000: my ($message)=@_; 3001: return ($message =~ m{ 3002: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3003: \s* 3004: (\w+\=['"]\w+['"])* 3005: \s* 3006: ( 3007: \s*/>| 3008: >.*</\1\s*> 3009: )}xs 3010: ); 3011: } 3012: 3013: sub tidy_html { 3014: my ($message)=@_; 3015: # my $tidy = HTML::Tidy::libXML->new(); 3016: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3017: # $xhtml =~ m/<body>(.*)<\/body>/is; 3018: # my $clean = $1; 3019: # # remove any empty block-level tags 3020: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3021: # $message=$clean; 3022: return $message; 3023: } 3024: 3025: sub newline_to_br { 3026: my ($message)=@_; 3027: my $newmessage; 3028: my $parser=HTML::LCParser->new($message); 3029: while (my $token=$parser->get_token()) { 3030: if ($token->[0] eq 'T') { 3031: my $text=$token->[1]; 3032: $text=~s/\n/\<br \/\>/g; 3033: $newmessage.=$text; 3034: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3035: $newmessage.=$token->[1]; 3036: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3037: $newmessage.=$token->[2]; 3038: } elsif ($token->[0] eq 'S') { 3039: $newmessage.=$token->[4]; 3040: } 3041: 3042: } 3043: $$message=$newmessage; 3044: } 3045: 3046: sub generate_preview_button { 3047: my ($formname,$fieldname)=@_; 3048: unless ($formname) { $formname='mailform'; } 3049: unless ($fieldname) { $fieldname='comment'; } 3050: my $pre=&mt("Show Preview and Check Spelling"); 3051: return(<<ENDPREVIEW); 3052: <br /> 3053: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3054: <input type="hidden" name="subject" /> 3055: <input type="hidden" name="comment" /> 3056: <input type="button" value="$pre" 3057: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3058: </form> 3059: ENDPREVIEW 3060: } 3061: 3062: sub modify_attachments { 3063: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3064: $attachmaxtext,$toolarge)=@_; 3065: 3066: my %lt = &Apache::lonlocal::texthash( 3067: 'subj' => 'Subject', 3068: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3069: 'chth' => 'Check the checkboxes for any you wish to remove.', 3070: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3071: 'adda' => 'Add a new attachment to this post.', 3072: 'stch' => 'Save Changes', 3073: ); 3074: my $js = <<END; 3075: <script type="text/javascript"> 3076: function setAction () { 3077: document.modattachments.action = document.modattachments.origpage.value; 3078: document.modattachments.submit(); 3079: } 3080: </script> 3081: END 3082: 3083: # Breadcrumbs 3084: my $brcrum = [{'href' => '', 3085: 'text' => 'Discussion Post Attachments'}]; 3086: my $start_page = 3087: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3088: {'bread_crumbs' => $brcrum,}); 3089: 3090: my $orig_subject = &unescape($env{'form.subject'}); 3091: my $subject=&clear_out_html($orig_subject); 3092: $subject=~s/\n/\<br \/\>/g; 3093: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3094: my $timestamp=$env{'form.timestamp'}; 3095: my $numoldver=$env{'form.numoldver'}; 3096: 3097: my $msg = ''; 3098: my %attachments = (); 3099: my %currattach = (); 3100: if ($idx) { 3101: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3102: } 3103: &Apache::lonenc::check_encrypt(\$symb); 3104: 3105: my $end_page = 3106: &Apache::loncommon::end_page(); 3107: 3108: $r->print(<<END); 3109: $start_page 3110: $toolarge 3111: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3112: <br /> 3113: <table class="LC_data_table"> 3114: <tr> 3115: <td colspan="2"> 3116: <b>Subject:</b> <b>$subject</b><br /><br /> 3117: END 3118: if ($idx) { 3119: if ($attachmenturls) { 3120: my @currold = keys(%currattach); 3121: if (@currold > 0) { 3122: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3123: foreach my $id (@currold) { 3124: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3125: $attachurl =~ m#/([^/]+)$#; 3126: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3127: } 3128: $r->print("<br />"); 3129: } 3130: } 3131: } 3132: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3133: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3134: foreach my $attach (@{$currnewattach}) { 3135: $attach =~ m#/([^/]+)$#; 3136: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3137: } 3138: $r->print("<br />"); 3139: } 3140: $r->print(<<END); 3141: </td></tr> 3142: <tr> 3143: <td> 3144: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3145: </td> 3146: </tr> 3147: <tr> 3148: <td colspan="2">$attachmaxtext</td> 3149: </tr> 3150: </table> 3151: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3152: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3153: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3154: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3155: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3156: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3157: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3158: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3159: END 3160: foreach my $item (@{$currnewattach}) { 3161: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3162: } 3163: foreach my $item (@{$currdelold}) { 3164: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3165: } 3166: $r->print(<<END); 3167: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3168: </form> 3169: $end_page 3170: END 3171: return; 3172: } 3173: 3174: sub process_attachments { 3175: my ($currnewattach,$currdelold,$keepold) = @_; 3176: 3177: @{$currnewattach}= 3178: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3179: @{$currdelold}= 3180: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3181: if (exists($env{'form.delnewattach'})) { 3182: my @currdelnew = 3183: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3184: my @currnew = (); 3185: foreach my $newone (@{$currnewattach}) { 3186: my $delflag = 0; 3187: foreach my $item (@currdelnew) { 3188: if ($newone eq $item) { 3189: $delflag = 1; 3190: last; 3191: } 3192: } 3193: unless ($delflag) { 3194: push(@currnew, $newone); 3195: } 3196: } 3197: @{$currnewattach} = @currnew; 3198: } 3199: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3200: } 3201: 3202: sub generate_attachments_button { 3203: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3204: $numoldver,$mode,$blockblog) = @_; 3205: my $origpage = $ENV{'REQUEST_URI'}; 3206: my $att=$attachnum.' '.&mt("attachments"); 3207: my %lt = &Apache::lonlocal::texthash( 3208: 'clic' => 'Click to add/remove attachments', 3209: ); 3210: my $response = (<<END); 3211: <br /> 3212: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3213: $lt{'clic'}: <input type="button" value="$att" 3214: 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); 3215: END 3216: if (!$blockblog) { 3217: $response .= 'setblogvalue();'; 3218: } 3219: unless ($mode eq 'board') { 3220: $response .= 'javascript:anonchk();'; 3221: } 3222: $response .= (<<ENDATTACH); 3223: this.form.submit();" /> 3224: <input type="hidden" name="origpage" value="$origpage" /> 3225: <input type="hidden" name="idx" value="$idx" /> 3226: <input type="hidden" name="timestamp" value="$now" /> 3227: <input type="hidden" name="subject" /> 3228: <input type="hidden" name="comment" /> 3229: <input type="hidden" name="blog" value="0" /> 3230: <input type="hidden" name="discuss" value="0" /> 3231: <input type="hidden" name="numoldver" value="$numoldver" /> 3232: ENDATTACH 3233: if (defined($deloldattach)) { 3234: if (@{$deloldattach} > 0) { 3235: foreach my $delatt (@{$deloldattach}) { 3236: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3237: } 3238: } 3239: } 3240: if (defined($currnewattach)) { 3241: if (@{$currnewattach} > 0) { 3242: foreach my $attach (@{$currnewattach}) { 3243: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3244: } 3245: } 3246: } 3247: $response .= '</form>'; 3248: return $response; 3249: } 3250: 3251: sub extract_attachments { 3252: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3253: %{$attachments}=(); 3254: &get_post_attachments($attachments,$attachmenturls); 3255: foreach my $id (sort(keys(%{$attachments}))) { 3256: if (exists($$attachments{$id}{$numoldver})) { 3257: if (defined($currdelold)) { 3258: if (@{$currdelold} > 0) { 3259: unless (grep/^$id$/,@{$currdelold}) { 3260: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3261: } 3262: } else { 3263: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3264: } 3265: } else { 3266: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3267: } 3268: } 3269: } 3270: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3271: if (@attached == 1) { 3272: my $id = $attached[0]; 3273: my $attachurl; 3274: if ($attachmenturls =~ m/^<attachment id="0">/) { 3275: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3276: } else { 3277: $attachurl = $$attachments{$id}{'filename'}; 3278: } 3279: $attachurl=~m|/([^/]+)$|; 3280: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3281: $1.'</tt></a><br />'; 3282: &Apache::lonnet::allowuploaded('/adm/feedback', 3283: $attachurl); 3284: } elsif (@attached > 1) { 3285: $$message.='<ol>'; 3286: foreach my $attach (@attached) { 3287: my $id = $attach; 3288: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3289: my ($fname) 3290: =($attachurl=~m|/([^/]+)$|); 3291: $$message .= '<li><a href="'.$attachurl. 3292: '"><tt>'. 3293: $fname.'</tt></a></li>'; 3294: &Apache::lonnet::allowuploaded('/adm/feedback', 3295: $attachurl); 3296: } 3297: $$message .= '</ol>'; 3298: } 3299: } 3300: 3301: sub construct_attachmenturl { 3302: my ($currnewattach,$keepold,$symb,$idx)=@_; 3303: my $oldattachmenturl; 3304: my $newattachmenturl; 3305: my $startnum = 0; 3306: my $currver = 0; 3307: if (($env{'form.editdisc'}) && ($idx)) { 3308: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3309: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3310: $env{'course.'.$env{'request.course.id'}.'.num'}); 3311: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3312: if ($contrib{$idx.':history'}) { 3313: if ($contrib{$idx.':history'} =~ /:/) { 3314: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3315: $currver = 1 + scalar(@oldversions); 3316: } else { 3317: $currver = 2; 3318: } 3319: } else { 3320: $currver = 1; 3321: } 3322: if ($oldattachmenturl) { 3323: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3324: my %attachments = (); 3325: my $prevver = $currver-1; 3326: &get_post_attachments(\%attachments,$oldattachmenturl); 3327: my $numattach = scalar(keys(%attachments)); 3328: $startnum += $numattach; 3329: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3330: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3331: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3332: unless ($item eq 'filename') { 3333: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3334: } 3335: } 3336: if (grep/^$num$/,@{$keepold}) { 3337: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3338: } 3339: $newattachmenturl .= '</attachment>'; 3340: } 3341: } else { 3342: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3343: unless (grep/^0$/,@{$keepold}) { 3344: $newattachmenturl .= '<post id="1">n</post>'; 3345: } 3346: $newattachmenturl .= '</attachment>'; 3347: $startnum ++; 3348: } 3349: } 3350: } 3351: for (my $i=0; $i<@{$currnewattach}; $i++) { 3352: my $attachnum = $startnum + $i; 3353: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3354: } 3355: return $newattachmenturl; 3356: } 3357: 3358: sub add_blog_checkbox { 3359: my ($crstype) = @_; 3360: my $checkstatus; 3361: if ($env{'form.blog'}) { 3362: $checkstatus = 'checked="checked"'; 3363: } 3364: my $output = ' 3365: <script type="text/javascript"> 3366: function setblogvalue() { 3367: if (document.mailform.blog.checked) { 3368: document.attachment.blog.value = 1; 3369: } else { 3370: document.attachment.blog.value = 0; 3371: } 3372: } 3373: </script><br /> 3374: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3375: if ($crstype eq 'Community') { 3376: $output .= &mt('Add to my public community blog'); 3377: } else { 3378: $output .= &mt('Add to my public course blog'); 3379: } 3380: $output .= '</label><br />'."\n"; 3381: return $output; 3382: } 3383: 3384: sub has_discussion { 3385: my $resourcesref = shift; 3386: my $navmap = Apache::lonnavmaps::navmap->new(); 3387: if (defined($navmap)) { 3388: my @allres=$navmap->retrieveResources(); 3389: foreach my $resource (@allres) { 3390: if ($resource->hasDiscussion()) { 3391: my $ressymb = $resource->wrap_symb(); 3392: if (ref($resourcesref) eq 'ARRAY') { 3393: push(@{$resourcesref}, $ressymb); 3394: } 3395: } 3396: } 3397: } else { 3398: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3399: } 3400: return; 3401: } 3402: 3403: sub sort_filter_names { 3404: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3405: if (ref($sort_types) eq 'HASH') { 3406: %{$sort_types} = ( 3407: ascdate => 'Date order - oldest first', 3408: descdate => 'Date order - newest first', 3409: thread => 'Threaded', 3410: subject => 'By subject', 3411: username => 'By domain and username', 3412: lastfirst => 'By last name, first name' 3413: ); 3414: } 3415: my @courseroles = qw(st in ta ep ad); 3416: if ($crstype eq 'Community') { 3417: push(@courseroles,'co'); 3418: } else { 3419: push(@courseroles,'cc'); 3420: } 3421: if (ref($role_types) eq 'HASH') { 3422: foreach my $role (@courseroles) { 3423: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3424: } 3425: $role_types->{'all'} = 'All roles'; 3426: $role_types->{'cr'} = 'Custom role'; 3427: } 3428: if (ref($status_types) eq 'HASH') { 3429: %{$status_types} = ( 3430: all => 'Roles of any status', 3431: Active => 'Only active roles', 3432: Expired => 'Only past roles', 3433: Future => 'Only future roles', 3434: ); 3435: } 3436: } 3437: 3438: sub handler { 3439: my $r = shift; 3440: if ($r->header_only) { 3441: &Apache::loncommon::content_type($r,'text/html'); 3442: $r->send_http_header; 3443: return OK; 3444: } 3445: 3446: # --------------------------- Get query string for limited number of parameters 3447: 3448: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3449: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); 3450: my $group = $env{'form.group'}; 3451: my %attachmax = ( 3452: text => &mt('(128 KB max size)'), 3453: num => 131072, 3454: ); 3455: if ($env{'form.editdisc'}) { 3456: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3457: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3458: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3459: my $feedurl=&Apache::lonnet::clutter($url); 3460: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3461: undef,undef,undef,$group); 3462: return OK; 3463: } 3464: } 3465: if ($env{'form.discsymb'}) { 3466: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3467: my $readkey = $symb.'_read'; 3468: my $chgcount = 0; 3469: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3470: foreach my $key (keys(%env)) { 3471: if ($key =~ m/^form\.postunread_(\d+)/) { 3472: if ($readinghash{$readkey} =~ /\.$1\./) { 3473: $readinghash{$readkey} =~ s/\.$1\.//; 3474: $chgcount ++; 3475: } 3476: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3477: unless ($readinghash{$readkey} =~ /\.$1\./) { 3478: $readinghash{$readkey} .= '.'.$1.'.'; 3479: $chgcount ++; 3480: } 3481: } 3482: } 3483: if ($chgcount > 0) { 3484: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3485: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3486: } 3487: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3488: '0','0','','',$env{'form.previous'},'','','', 3489: undef,undef,undef,$group); 3490: return OK; 3491: } 3492: if ($env{'form.allversions'}) { 3493: &Apache::loncommon::content_type($r,'text/html'); 3494: &Apache::loncommon::no_cache($r); 3495: $r->send_http_header; 3496: 3497: # Breadcrumbs 3498: my $brcrum = [{'href' => '', 3499: 'text' => 'Discussion Post Versions'}]; 3500: 3501: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3502: {'bread_crumbs' => $brcrum,}) 3503: ); 3504: 3505: my $crs='/'.$env{'request.course.id'}; 3506: if ($env{'request.course.sec'}) { 3507: $crs.='_'.$env{'request.course.sec'}; 3508: } 3509: $crs=~s|_|/|g; 3510: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3511: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3512: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3513: ($symb)=&get_feedurl_and_clean_symb($symb); 3514: my $ressymb = &wrap_symb($symb); 3515: my $group = $env{'form.group'}; 3516: my $seeid; 3517: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3518: if (&check_group_priv($group,'dgp') eq 'ok') { 3519: $seeid = 1; 3520: } 3521: } else { 3522: $seeid = &Apache::lonnet::allowed('rin',$crs); 3523: } 3524: if ($idx > 0) { 3525: my %messages = (); 3526: my %subjects = (); 3527: my %attachmsgs = (); 3528: my %allattachments = (); 3529: my %imsfiles = (); 3530: my ($screenname,$plainname); 3531: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3532: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3533: $env{'course.'.$env{'request.course.id'}.'.num'}); 3534: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3535: } 3536: $r->print(&Apache::loncommon::end_page()); 3537: return OK; 3538: } 3539: if ($env{'form.posterlist'}) { 3540: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3541: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3542: $env{'form.sortposts'}); 3543: return OK; 3544: } 3545: if ($env{'form.userpick'}) { 3546: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3547: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3548: my $numpicks = @posters; 3549: my %discinfo; 3550: $discinfo{$symb.'_userpick'} = join('&',@posters); 3551: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3552: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3553: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3554: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3555: '',$numpicks,$group); 3556: return OK; 3557: } 3558: if ($env{'form.applysort'}) { 3559: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3560: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3561: '',$env{'form.previous'},$env{'form.sortposts'}, 3562: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3563: $env{'form.sectionpick'},$env{'form.grouppick'}, 3564: undef,$group); 3565: return OK; 3566: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3567: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3568: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3569: return OK; 3570: } elsif ($env{'form.navtime'}) { 3571: my %discinfo = (); 3572: my @resources = (); 3573: if (defined($env{'form.navmaps'})) { 3574: if ($env{'form.navmaps'} =~ /:/) { 3575: @resources = split(/:/,$env{'form.navmaps'}); 3576: } else { 3577: @resources = ("$env{'form.navmaps'}"); 3578: } 3579: } else { 3580: &has_discussion(\@resources); 3581: } 3582: my $numitems = @resources; 3583: my $feedurl = '/adm/navmaps'; 3584: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3585: my %lt = &Apache::lonlocal::texthash( 3586: 'mnpa' => 'Marked "New" posts as read in a total of', 3587: 'robb' => 'resources/bulletin boards.', 3588: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3589: ); 3590: foreach my $res (@resources) { 3591: my $ressymb=$res; 3592: &Apache::lonenc::check_decrypt(\$ressymb); 3593: my $lastkey = $ressymb.'_lastread'; 3594: $discinfo{$lastkey} = $env{'form.navtime'}; 3595: } 3596: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3597: if ($numitems > 0) { 3598: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3599: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3600: } else { 3601: $textline = "<b>$lt{'twnp'}</b>"; 3602: } 3603: &Apache::loncommon::content_type($r,'text/html'); 3604: $r->send_http_header; 3605: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3606: my %onload; 3607: 3608: my $start_page= 3609: &Apache::loncommon::start_page('New posts marked as read',undef, 3610: {'redirect' => [2,$feedurl], 3611: 'only_body' => 1, 3612: 'add_entries' => \%onload}); 3613: my $end_page = &Apache::loncommon::end_page(); 3614: $r->print (<<ENDREDIR); 3615: $start_page 3616: <img align="right" src="$logo" /> 3617: $textline 3618: <form name="reldt" action="$feedurl" target="loncapaclient"> 3619: </form> 3620: <br /> 3621: $end_page 3622: ENDREDIR 3623: return OK; 3624: } elsif ($env{'form.modifydisp'}) { 3625: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3626: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3627: split(/_/,$env{'form.changes'}); 3628: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3629: $dispchgB,$markchg,$toggchg,$feedurl); 3630: return OK; 3631: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3632: $env{'form.allposts'} || $env{'form.onlyunread'} || 3633: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3634: $env{'form.toggon'} || $env{'form.markread'}) { 3635: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3636: my %discinfo; 3637: # ------------------------ Modify setting for read/unread toggle for each post 3638: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3639: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3640: # --------- Modify setting for identification of 'NEW' posts in this discussion 3641: if ($env{'form.markondisp'}) { 3642: $discinfo{$symb.'_lastread'} = time; 3643: $discinfo{$symb.'_markondisp'} = 1; 3644: } 3645: if ($env{'form.markonread'}) { 3646: if ( $env{'form.previous'} > 0 ) { 3647: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3648: } 3649: $discinfo{$symb.'_markondisp'} = 0; 3650: } 3651: # --------------------------------- Modify display setting for this discussion 3652: if ($env{'form.allposts'}) { 3653: $discinfo{$symb.'_showonlyunread'} = 0; 3654: $discinfo{$symb.'_showonlyunmark'} = 0; 3655: } 3656: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3657: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3658: # ----------------------------------------------------- Mark new posts not NEW 3659: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3660: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3661: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3662: my $previous=$env{'form.previous'}; 3663: if ($env{'form.markondisp'}) { $previous=undef; } 3664: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3665: '0','0','','',$previous,'','','','','','',$group); 3666: return OK; 3667: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3668: # ----------------------------------------------------------------- Hide/unhide 3669: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3670: my ($symb,$idx)=split(/\:\:\:/,$entry); 3671: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3672: 3673: my $crs='/'.$env{'request.course.id'}; 3674: if ($env{'request.course.sec'}) { 3675: $crs.='_'.$env{'request.course.sec'}; 3676: } 3677: $crs=~s/\_/\//g; 3678: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3679: 3680: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3681: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3682: undef,undef,$group,); 3683: return OK; 3684: } 3685: 3686: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3687: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3688: $env{'course.'.$env{'request.course.id'}.'.num'}); 3689: 3690: my $currenthidden=$contrib{'hidden'}; 3691: my $currentstudenthidden=$contrib{'studenthidden'}; 3692: 3693: if ($env{'form.hide'}) { 3694: $currenthidden.='.'.$idx.'.'; 3695: unless ($seeid) { 3696: $currentstudenthidden.='.'.$idx.'.'; 3697: } 3698: } else { 3699: $currenthidden=~s/\.$idx\.//g; 3700: } 3701: my %newhash=('hidden' => $currenthidden); 3702: if ( ($env{'form.hide'}) && (!$seeid) ) { 3703: $newhash{'studenthidden'} = $currentstudenthidden; 3704: } 3705: if ($env{'form.hide'}) { 3706: my $changelast = 0; 3707: my $newlast; 3708: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3709: if ($changelast) { 3710: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3711: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3712: $env{'course.'.$env{'request.course.id'}.'.num'}); 3713: } 3714: } 3715: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3716: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3717: $env{'course.'.$env{'request.course.id'}.'.num'}); 3718: 3719: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3720: '0','0','','',$env{'form.previous'},undef,undef,undef, 3721: undef,undef,undef,$group); 3722: return OK; 3723: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3724: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3725: if ($env{'form.cmd'} eq 'threadedon') { 3726: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3727: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3728: } else { 3729: &Apache::lonnet::del('environment',['threadeddiscussion']); 3730: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3731: } 3732: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3733: '0','0','','',$env{'form.previous'},undef,undef,undef, 3734: undef,undef,undef,$group); 3735: return OK; 3736: } elsif ($env{'form.deldisc'}) { 3737: # --------------------------------------------------------------- Hide for good 3738: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3739: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 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: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3744: if ($changelast) { 3745: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3746: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3747: } 3748: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3749: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3750: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3751: $env{'course.'.$env{'request.course.id'}.'.num'}); 3752: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3753: '0','0','','',$env{'form.previous'},undef,undef,undef, 3754: undef,undef,undef,$group); 3755: return OK; 3756: } elsif ($env{'form.preview'}) { 3757: # -------------------------------------------------------- User wants a preview 3758: &show_preview($r); 3759: return OK; 3760: } elsif ($env{'form.attach'}) { 3761: # -------------------------------------------------------- Work on attachments 3762: &Apache::loncommon::content_type($r,'text/html'); 3763: $r->send_http_header; 3764: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3765: my (@currnewattach,@currdelold,@keepold,$toolarge); 3766: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3767: if (exists($env{'form.addnewattach.filename'})) { 3768: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3769: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3770: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3771: push(@currnewattach, $newattachment); 3772: } else { 3773: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3774: } 3775: } 3776: my $attachmenturls; 3777: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3778: my $idx = $env{'form.idx'}; 3779: if ($idx) { 3780: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3781: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3782: $env{'course.'.$env{'request.course.id'}.'.num'}); 3783: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3784: } 3785: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3786: $attachmenturls,$attachmax{'text'},$toolarge); 3787: return OK; 3788: } elsif ($env{'form.export'}) { 3789: &Apache::loncommon::content_type($r,'text/html'); 3790: $r->send_http_header; 3791: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3792: my $mode='board'; 3793: my $status='OPEN'; 3794: my $previous=$env{'form.previous'}; 3795: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3796: $mode='problem'; 3797: $status=$Apache::inputtags::status[-1]; 3798: } 3799: my $discussion = &list_discussion($mode,$status,$symb); 3800: my $start_page = 3801: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3802: my $end_page = 3803: &Apache::loncommon::end_page(); 3804: $r->print($start_page.$discussion.$end_page); 3805: return OK; 3806: } else { 3807: # ------------------------------------------------------------- Normal feedback 3808: my $feedurl=$env{'form.postdata'}; 3809: $feedurl=~s/^https?\:\/\///; 3810: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3811: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3812: $feedurl=~s/\?.+$//; 3813: 3814: my $symb; 3815: if ($env{'form.replydisc'}) { 3816: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3817: } elsif ($env{'form.editdisc'}) { 3818: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3819: } elsif ($env{'form.origpage'}) { 3820: $symb=""; 3821: } else { 3822: $symb=&Apache::lonnet::symbread($feedurl); 3823: } 3824: unless ($symb) { 3825: $symb=$env{'form.symb'}; 3826: } 3827: if (defined($symb)) { 3828: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3829: } else { 3830: # backward compatibility (bulletin boards used to be 'wrapped') 3831: &Apache::lonenc::check_decrypt(\$feedurl); 3832: &dewrapper(\$feedurl); 3833: } 3834: my $goahead=1; 3835: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3836: unless ($symb) { $goahead=0; } 3837: } 3838: if (!$goahead) { 3839: # Ambiguous Problem Resource 3840: $r->internal_redirect('/adm/ambiguous'); 3841: return OK; 3842: } 3843: # Go ahead with feedback, no ambiguous reference 3844: unless ( 3845: ( 3846: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3847: ) 3848: || 3849: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3850: || 3851: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3852: ) { 3853: &Apache::loncommon::content_type($r,'text/html'); 3854: $r->send_http_header; 3855: # Unable to give feedback 3856: &Apache::lonenc::check_encrypt(\$feedurl); 3857: &no_redirect_back($r,$feedurl); 3858: return OK; 3859: } 3860: # --------------------------------------------------- Print login screen header 3861: unless ($env{'form.sendit'}) { 3862: &Apache::lonenc::check_encrypt(\$feedurl); 3863: &Apache::loncommon::content_type($r,'text/html'); 3864: $r->send_http_header; 3865: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3866: my ($blocked,$blocktext) = 3867: &Apache::loncommon::blocking_status('boards'); 3868: if ($blocked) { 3869: $r->print(&blocked_reply_or_edit($blocktext)); 3870: return OK; 3871: } 3872: } 3873: my $options=&screen_header($feedurl,$symb); 3874: if ($options) { 3875: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3876: } else { 3877: &fail_redirect($r,$feedurl); 3878: } 3879: return OK; 3880: } 3881: 3882: # Get previous user input 3883: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3884: $symb,$env{'user.name'},$env{'user.domain'}, 3885: $env{'request.course.id'}); 3886: 3887: # Get output from resource 3888: &Apache::lonenc::check_encrypt(\$feedurl); 3889: my $usersaw=&resource_output($feedurl); 3890: 3891: # Get resource answer (need to allow student to view grades for this to work) 3892: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3893: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3894: my $useranswer= 3895: &Apache::loncommon::get_student_answers( 3896: $usersymb,$env{'user.name'},$env{'user.domain'}, 3897: $env{'request.course.id'}); 3898: &Apache::lonnet::delenv('allowed.vgr'); 3899: # Get attachments, if any, and not too large 3900: my $attachmenturl=''; 3901: my $toolarge=''; 3902: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3903: ($env{'form.replydisc'})) { 3904: my ($symb,$idx); 3905: if ($env{'form.replydisc'}) { 3906: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3907: } elsif ($env{'form.editdisc'}) { 3908: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3909: } elsif ($env{'form.origpage'}) { 3910: $symb = $env{'form.symb'}; 3911: } 3912: &Apache::lonenc::check_decrypt(\$symb); 3913: my @currnewattach = (); 3914: my @deloldattach = (); 3915: my @keepold = (); 3916: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3917: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3918: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3919: } elsif ($env{'form.attachment.filename'}) { 3920: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3921: my $now = time; 3922: my $subdir = 'feedback/'.$now; 3923: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3924: } else { 3925: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3926: } 3927: } 3928: # Filter HTML out of message (could be nasty) 3929: my $override; 3930: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 3931: $override = 1; 3932: } 3933: my $message=&clear_out_html($env{'form.comment'},$override); 3934: 3935: # Assemble email 3936: my ($email,$citations)=&assemble_email($message,$prevattempts, 3937: $usersaw,$useranswer); 3938: 3939: # Who gets this? 3940: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3941: 3942: # Actually send mail 3943: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 3944: $feedurl,$email,$citations, 3945: $attachmenturl,$usersymb,%to); 3946: 3947: # Discussion? Store that. 3948: my $numpost=0; 3949: if ( ($env{'form.discuss'} ne '' 3950: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3951: || $env{'form.anondiscuss'} ne '') { 3952: my $subject = &clear_out_html($env{'form.subject'}); 3953: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3954: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3955: $subject); 3956: $numpost++; 3957: } 3958: 3959: # Add to blog? 3960: 3961: my $blog=''; 3962: if ($env{'form.blog'}) { 3963: my $subject = &clear_out_html($env{'form.subject'}); 3964: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3965: $env{'user.domain'}, 3966: 'CourseBlog_'.$env{'request.course.id'}, 3967: $subject,$message,$feedurl,'public'); 3968: if (&Apache::loncommon::course_type() eq 'Community') { 3969: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3970: } else { 3971: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3972: } 3973: } 3974: 3975: # Receipt screen and redirect back to where came from 3976: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3977: } 3978: return OK; 3979: } 3980: 3981: sub blocked_reply_or_edit { 3982: my ($blocktext) = @_; 3983: return 3984: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3985: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3986: &mt('Back to previous page'). 3987: &Apache::loncommon::end_page(); 3988: } 3989: 3990: sub wrap_symb { 3991: my ($ressymb)=@_; 3992: if ($ressymb =~ /bulletin___\d+___/) { 3993: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3994: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3995: } 3996: } 3997: return $ressymb; 3998: } 3999: sub dewrapper { 4000: my ($feedurl)=@_; 4001: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4002: $$feedurl=~s|^/adm/wrapper||; 4003: } 4004: } 4005: 4006: sub get_feedurl { 4007: my ($symb)=@_; 4008: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4009: my $feedurl = &Apache::lonnet::clutter($url); 4010: &dewrapper(\$feedurl); 4011: return $feedurl; 4012: } 4013: 4014: sub get_feedurl_and_clean_symb { 4015: my ($symb)=@_; 4016: &Apache::lonenc::check_decrypt(\$symb); 4017: # backward compatibility (bulletin boards used to be 'wrapped') 4018: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4019: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4020: } 4021: my $feedurl = &get_feedurl($symb); 4022: return ($symb,$feedurl); 4023: } 4024: 4025: sub editing_allowed { 4026: my ($postid,$group) = @_; 4027: $postid = &unescape($postid); 4028: my $can_edit = 0; 4029: if ($group ne '') { 4030: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4031: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4032: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4033: if (&check_group_priv($group,'egp') eq 'ok') { 4034: $can_edit = 1; 4035: } 4036: return $can_edit; 4037: } 4038: } 4039: my $cid = $env{'request.course.id'}; 4040: my $role = (split(/\./,$env{'request.role'}))[0]; 4041: my $section = $env{'request.course.sec'}; 4042: my $allow_editing_config = 4043: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4044: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4045: $can_edit = 1; 4046: } else { 4047: foreach my $editor (split(/,/,$allow_editing_config)) { 4048: my ($editor_role,$editor_sec) = split(/:/,$editor); 4049: if ($editor_role eq $role 4050: && defined($editor_sec) 4051: && defined($section) 4052: && $editor_sec eq $section) { 4053: $can_edit = 1; 4054: last; 4055: } 4056: if ($editor_role eq $role 4057: && !defined($editor_sec)) { 4058: $can_edit = 1; 4059: } 4060: } 4061: } 4062: return $can_edit; 4063: } 4064: 4065: sub check_group_priv { 4066: my ($group,$grp_priv) = @_; 4067: foreach my $priv ('mdg','vcg') { 4068: my $checkcourse = $env{'request.course.id'}. 4069: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4070: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4071: return 'ok'; 4072: } 4073: } 4074: if ($grp_priv && $group ne '') { 4075: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4076: return 'ok'; 4077: } 4078: } 4079: return ''; 4080: } 4081: 4082: sub group_args { 4083: my ($group) = @_; 4084: if ($group eq '') { return ''; } 4085: my $extra_args = '&group='.$group; 4086: if (exists($env{'form.ref'})) { 4087: $extra_args .= '&ref='.$env{'form.ref'}; 4088: } 4089: return $extra_args; 4090: } 4091: 4092: sub get_resource_title { 4093: my ($symb,$feedurl) = @_; 4094: my ($restitle,$plainurl); 4095: if (defined($symb)) { 4096: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4097: $restitle = &Apache::lonnet::gettitle($plain_symb); 4098: } 4099: if (defined($feedurl)) { 4100: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4101: } 4102: if (!defined($restitle)) { 4103: if (defined($feedurl)) { 4104: $restitle = &Apache::lonnet::gettitle($plainurl); 4105: } 4106: } 4107: if ($plainurl ne $feedurl) { 4108: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4109: if ($plain_filename eq $restitle) { 4110: $restitle = &mt('Untitled resource'); 4111: } 4112: } 4113: if ($restitle eq '') { 4114: $restitle = &mt('Untitled resource'); 4115: } 4116: return $restitle; 4117: } 4118: 4119: 1; 4120: __END__ 4121: 4122: 4123: =pod 4124: 4125: =head1 NAME 4126: 4127: Apache::lonfeedback.pm 4128: 4129: =head1 SYNOPSIS 4130: 4131: Handles feedback from students to instructors and system administrators. 4132: 4133: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4134: 4135: Used by lonmsg.pm. 4136: 4137: This is part of the LearningOnline Network with CAPA project 4138: described at http://www.lon-capa.org. 4139: 4140: =head1 OVERVIEW 4141: 4142: None 4143: 4144: =head1 SUBROUTINES 4145: 4146: =over 4147: 4148: =item discussion_open() 4149: 4150: =item discussion_visible() 4151: 4152: =item list_discussion() 4153: 4154: =item send_feedback_link() 4155: 4156: =item send_message_link() 4157: 4158: =item action_links_bar() 4159: 4160: =item postingform_display() 4161: 4162: =item build_posting_display 4163: 4164: =item filter_regexp() 4165: 4166: =item get_post_contents() 4167: 4168: =item replicate_attachments() 4169: 4170: =item mail_screen() 4171: 4172: =item print_display_options() 4173: 4174: =item print_sortfilter_options() 4175: 4176: =item print_showposters() 4177: 4178: =item get_post_versions() 4179: 4180: =item get_post_attachments() 4181: 4182: =item fail_redirect() 4183: 4184: =item redirect_back() 4185: 4186: =item no_redirect_back() 4187: 4188: =item screen_header() 4189: 4190: =item resource_output() 4191: 4192: =item clear_out_html() 4193: 4194: =item assemble_email() 4195: 4196: =item feedback_available() 4197: 4198: =item send_msg() 4199: 4200: =item adddiscuss() 4201: 4202: =item get_discussion_info() 4203: 4204: =item show_preview() 4205: 4206: =item newline_to_br() 4207: 4208: =item tidy_html() 4209: 4210: =item generate_preview_button() 4211: 4212: =item modify_attachments() 4213: 4214: =item process_attachments() 4215: 4216: =item generate_attachments_button() 4217: 4218: =item extract_attachments() 4219: 4220: =item construct_attachmenturl() 4221: 4222: =item add_blog_checkbox() 4223: 4224: =item has_discussion() 4225: 4226: =item sort_filter_names() 4227: 4228: =item handler() 4229: 4230: =item blocked_reply_or_edit() 4231: 4232: =item wrap_symb() 4233: 4234: =item dewrapper() 4235: 4236: =item get_feedurl() 4237: 4238: =item get_feedurl_and_clean_symb() 4239: 4240: =item editing_allowed() 4241: 4242: =item check_group_priv() 4243: 4244: =item group_args() 4245: 4246: =item get_resource_title() 4247: 4248: =back 4249: 4250: =cut