loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.282: download - view: text, annotated - select for diffs
Tue Dec 8 13:33:12 2009 UTC (14 years, 5 months ago) by wenzelju
Branches: MAIN
CVS tags: HEAD, GCI_3

Changes for XHTML 1.0 transitional conformity.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.282 2009/12/08 13:33:12 wenzelju 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 Apache::lonspeller(); 45: use Apache::longroup; 46: use Cwd; 47: use LONCAPA; 48: 49: sub discussion_open { 50: my ($status,$symb)=@_; 51: if ($env{'request.role.adv'}) { return 1; } 52: if (defined($status) && 53: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 54: || $status eq 'OPEN')) { 55: return 0; 56: } 57: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 58: if (defined($close) && $close ne '' && $close < time) { 59: return 0; 60: } 61: return 1; 62: } 63: 64: sub discussion_visible { 65: my ($status)=@_; 66: if (not &discussion_open($status)) { 67: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 68: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 69: if (!$env{'request.role.adv'}) { return 0; } 70: } 71: } 72: return 1; 73: } 74: 75: sub list_discussion { 76: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 77: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 78: unless ($ressymb) { return ''; } 79: $ressymb=&wrap_symb($ressymb); 80: my $outputtarget=$env{'form.grade_target'}; 81: if (defined($env{'form.export'})) { 82: if($env{'form.export'}) { 83: $outputtarget = 'export'; 84: } 85: } 86: if (defined($imsextras)) { 87: if ($$imsextras{'caller'} eq 'imsexport') { 88: $outputtarget = 'export'; 89: } 90: } 91: if (not &discussion_visible($status)) { 92: if ($mode ne 'board') { 93: &Apache::lonenc::check_encrypt(\$ressymb); 94: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 95: } 96: } 97: if ($group ne '' && $mode eq 'board') { 98: if (&check_group_priv($group,'vgb') ne 'ok') { 99: return ''; 100: } 101: } 102: 103: my ($blocked,$blocktext) = 104: &Apache::loncommon::blocking_status('boards'); 105: if ($blocked) { 106: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 107: &Apache::lonenc::check_encrypt(\$ressymb); 108: if ($mode ne 'board') { 109: $blocktext.=&send_message_link($ressymb).'</div>'; 110: }else{ 111: $blocktext.="</div>"; 112: } 113: return $blocktext; 114: } 115: 116: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 117: my $discussiononly=0; 118: if ($mode eq 'board') { $discussiononly=1; } 119: unless ($env{'request.course.id'}) { return ''; } 120: my $crs='/'.$env{'request.course.id'}; 121: my $cid=$env{'request.course.id'}; 122: if ($env{'request.course.sec'}) { 123: $crs.='_'.$env{'request.course.sec'}; 124: } 125: $crs=~s/\_/\//g; 126: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 127: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 128: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 129: 130: my %usernamesort = (); 131: my %namesort =(); 132: my %subjectsort = (); 133: 134: # Get discussion display settings for this discussion 135: my $lastkey = $ressymb.'_lastread'; 136: my $showkey = $ressymb.'_showonlyunread'; 137: my $markkey = $ressymb.'_showonlyunmark', 138: my $visitkey = $ressymb.'_visit'; 139: my $ondispkey = $ressymb.'_markondisp'; 140: my $userpickkey = $ressymb.'_userpick'; 141: my $toggkey = $ressymb.'_readtoggle'; 142: my $readkey = $ressymb.'_read'; 143: $ressymb=$encsymb; 144: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 145: my %discinfo = (); 146: my $showonlyunread = 0; 147: my $showunmark = 0; 148: my $markondisp = 0; 149: my $prevread = 0; 150: my $previous = 0; 151: my $visit = 0; 152: my $newpostsflag = 0; 153: my @posters = split(/\&/,$dischash{$userpickkey}); 154: 155: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 156: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 157: my $sortposts = $env{'form.sortposts'}; 158: my $statusfilter = $env{'form.statusfilter'}; 159: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 160: my @grouppick = split(/,/,$env{'form.grouppick'}); 161: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 162: 163: my $totposters = $env{'form.totposters'}; 164: $previous = $env{'form.previous'}; 165: if ($previous > 0) { 166: $prevread = $previous; 167: } elsif (defined($dischash{$lastkey})) { 168: unless ($dischash{$lastkey} eq '') { 169: $prevread = $dischash{$lastkey}; 170: } 171: } 172: 173: my $cdom = $env{'course.'.$cid.'.domain'}; 174: my $cnum = $env{'course.'.$cid.'.num'}; 175: my $crstype = &Apache::loncommon::course_type(); 176: 177: # Get information about students and non-students in course for filtering display of posts 178: my %roleshash = (); 179: my %roleinfo = (); 180: my ($classgroups,$studentgroups); 181: if ($env{'form.rolefilter'}) { 182: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 183: foreach my $rolekey (keys(%roleshash)) { 184: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 185: if ($role =~ /^cr/) { 186: $role = 'cr'; 187: } 188: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 189: my $now = time; 190: my $status = 'Active'; 191: if (($now < $start) || ($end > 0 && $now > $end)) { 192: $status = 'Expired'; 193: } 194: if ($uname && $udom) { 195: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 196: } 197: } 198: my ($classlist,$keylist) = 199: &Apache::loncoursedata::get_classlist($cdom,$cnum); 200: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 201: my $status_index = &Apache::loncoursedata::CL_STATUS(); 202: while (my ($student,$data) = each %$classlist) { 203: my ($section,$status) = ($data->[$sec_index], 204: $data->[$status_index]); 205: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 206: } 207: ($classgroups,$studentgroups) = 208: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 209: $cdom,$cnum); 210: } 211: 212: # Get discussion display default settings for user 213: if ($env{'environment.discdisplay'} eq 'unread') { 214: $showonlyunread = 1; 215: } 216: if ($env{'environment.discmarkread'} eq 'ondisp') { 217: $markondisp = 1; 218: } 219: 220: # Override user's default if user specified display setting for this discussion 221: if (defined($dischash{$ondispkey})) { 222: unless ($dischash{$ondispkey} eq '') { 223: $markondisp = $dischash{$ondispkey}; 224: } 225: } 226: if ($markondisp) { 227: $discinfo{$lastkey} = time; 228: } 229: 230: if (defined($dischash{$showkey})) { 231: unless ($dischash{$showkey} eq '') { 232: $showonlyunread = $dischash{$showkey}; 233: } 234: } 235: 236: if (defined($dischash{$markkey})) { 237: unless ($dischash{$markkey} eq '') { 238: $showunmark = $dischash{$markkey}; 239: } 240: } 241: 242: if (defined($dischash{$visitkey})) { 243: unless ($dischash{$visitkey} eq '') { 244: $visit = $dischash{$visitkey}; 245: } 246: } 247: $visit ++; 248: 249: my $seeid; 250: if (($group ne '') && ($mode eq 'board') && 251: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 252: if (&check_group_priv($group,'dgp') eq 'ok') { 253: $seeid = 1; 254: } 255: } else { 256: $seeid=&Apache::lonnet::allowed('rin',$crs); 257: } 258: my @discussionitems=(); 259: my %shown = (); 260: my @posteridentity=(); 261: 262: my $current=0; 263: my $visible=0; 264: my @depth=(); 265: my @replies = (); 266: my %alldiscussion=(); 267: my %imsitems=(); 268: my %imsfiles=(); 269: my %notshown = (); 270: my %newitem = (); 271: my $maxdepth=0; 272: my %anonhash=(); 273: my $anoncnt=0; 274: my $target=''; 275: unless ($env{'browser.interface'} eq 'textual' || 276: $env{'environment.remote'} eq 'off' ) { 277: $target='target="LONcom"'; 278: } 279: 280: my $now = time; 281: $discinfo{$visitkey} = $visit; 282: 283: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 284: &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); 285: 286: my $discussion=''; 287: my $manifestfile; 288: my $manifestok=0; 289: my $tempexport; 290: my $imsresources; 291: my $copyresult; 292: 293: my $function = &Apache::loncommon::get_users_function(); 294: my $color = &Apache::loncommon::designparm($function.'.tabbg', 295: $env{'user.domain'}); 296: my %lt = &Apache::lonlocal::texthash( 297: 'cuse' => 'Current discussion settings', 298: 'allposts' => 'All posts', 299: 'unread' => 'New posts only', 300: 'unmark' => 'Unread only', 301: 'ondisp' => 'Once displayed', 302: 'onmark' => 'Once marked not NEW', 303: 'toggoff' => 'Off', 304: 'toggon' => 'On', 305: 'disa' => 'Posts to be displayed', 306: 'npce' => 'Posts cease to be marked "NEW"', 307: 'epcb' => 'Each post can be toggled read/unread', 308: 'chgt' => 'Change', 309: 'disp' => 'Display', 310: 'nolo' => 'Not new', 311: 'togg' => 'Toggle read/unread', 312: 'aner' => 'An error occurred opening the manifest file.', 313: 'difo' => 'Discussion for', 314: 'aerr' => 'An error occurred opening the export file for posting', 315: 'aysu' => 'Are you sure you want to delete this post?', 316: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 317: 'bwco' => 'but will continue to be visible to your instructor', 318: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 319: ); 320: 321: my $currdisp = $lt{'allposts'}; 322: my $currmark = $lt{'onmark'}; 323: my $currtogg = $lt{'toggoff'}; 324: my $dispchange = $lt{'unread'}; 325: my $markchange = $lt{'ondisp'}; 326: my $toggchange = $lt{'toggon'}; 327: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 328: my $displinkA = 'onlyunread'; 329: my $displinkB = 'onlyunmark'; 330: my $marklink = 'markondisp'; 331: my $togglink = 'toggon'; 332: 333: if ($markondisp) { 334: $currmark = $lt{'ondisp'}; 335: $markchange = $lt{'onmark'}; 336: $marklink = 'markonread'; 337: } 338: 339: if ($showonlyunread) { 340: $currdisp = $lt{'unread'}; 341: $dispchange = $lt{'allposts'}; 342: $displinkA = 'allposts'; 343: } 344: 345: if ($showunmark) { 346: $currdisp = $lt{'unmark'}; 347: $dispchange = $lt{'unmark'}; 348: $displinkA='allposts'; 349: $displinkB='onlyunread'; 350: $showonlyunread = 0; 351: } 352: 353: if ($dischash{$toggkey}) { 354: $currtogg = $lt{'toggon'}; 355: $toggchange = $lt{'toggoff'}; 356: $togglink = 'toggoff'; 357: } 358: 359: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 360: 361: if ($newpostsflag) { 362: $chglink .= '&previous='.$prevread; 363: } 364: $chglink.=&group_args($group); 365: 366: if ($visible) { 367: # Print the discusssion 368: if ($outputtarget eq 'tex') { 369: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 370: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 371: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 372: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 373: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 374: } elsif ($outputtarget eq 'export') { 375: # Create temporary directory if this is an export 376: my $now = time; 377: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 378: $tempexport = $$imsextras{'tempexport'}; 379: if (!-e $tempexport) { 380: mkdir($tempexport,0700); 381: } 382: $tempexport .= '/'.$$imsextras{'count'}; 383: if (!-e $tempexport) { 384: mkdir($tempexport,0700); 385: } 386: } else { 387: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 388: if (!-e $tempexport) { 389: mkdir($tempexport,0700); 390: } 391: $tempexport .= '/'.$now; 392: if (!-e $tempexport) { 393: mkdir($tempexport,0700); 394: } 395: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 396: } 397: if (!-e $tempexport) { 398: mkdir($tempexport,0700); 399: } 400: # open manifest file 401: my $manifest = '/imsmanifest.xml'; 402: my $manifestfilename = $tempexport.$manifest; 403: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 404: $manifestok=1; 405: print $manifestfile qq| 406: <?xml version="1.0" encoding="UTF-8"?> 407: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 408: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 409: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 410: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 411: <organizations default="$ressymb"> 412: <organization identifier="$ressymb"> 413: <title>$lt{'difo'} $ressymb</title>\n|; 414: } else { 415: $discussion .= $lt{'aner'}.'<br />'; 416: } 417: } else { 418: my $colspan=$maxdepth+1; 419: #JW 420: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 421: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 422: var symbparm = symb+':::'+idx 423: var prevparm = "" 424: if (newflag == 1) { 425: prevparm = "&previous="+previous 426: } 427: if (caller == 'studentdelete') { 428: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 429: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 430: } 431: } else { 432: if (caller == 'seeiddelete') { 433: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 434: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 435: } 436: } 437: } 438: } 439: |); 440: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 441: "\n".'<table class="LC_discussion">'; 442: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 443: $newpostsflag,$group, 444: $prevread,$markondisp); 445: my $escsymb=&escape($ressymb); 446: my $numhidden = keys(%notshown); 447: if ($numhidden > 0) { 448: my $colspan = $maxdepth+1; 449: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 450: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 451: if ($newpostsflag) { 452: $discussion .= '&previous='.$prevread; 453: } 454: $discussion .= &group_args($group); 455: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 456: $numhidden.' '; 457: if ($showunmark) { 458: $discussion .= &mt('posts previously marked read'); 459: } else { 460: $discussion .= &mt('previously viewed posts'); 461: } 462: $discussion .= '<br/></td></tr>'; 463: } 464: } 465: 466: # Choose sort mechanism 467: my @showposts = (); 468: if ($sortposts eq 'descdate') { 469: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 470: } elsif ($sortposts eq 'thread') { 471: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 472: } elsif ($sortposts eq 'subject') { 473: foreach my $key (sort(keys(%subjectsort))) { 474: push(@showposts, @{$subjectsort{$key}}); 475: } 476: } elsif ($sortposts eq 'username') { 477: foreach my $domain (sort(keys(%usernamesort))) { 478: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 479: push(@showposts, @{$usernamesort{$domain}{$key}}); 480: } 481: } 482: } elsif ($sortposts eq 'lastfirst') { 483: foreach my $last (sort(keys(%namesort))) { 484: foreach my $key (sort(keys(%{$namesort{$last}}))) { 485: push(@showposts, @{$namesort{$last}{$key}}); 486: } 487: } 488: } else { 489: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 490: } 491: my $currdepth = 0; 492: my $firstidx = $alldiscussion{$showposts[0]}; 493: foreach my $post (@showposts) { 494: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 495: $alldiscussion{$post} = $post; 496: } 497: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 499: $discussion.="\n<tr>"; 500: } 501: my $thisdepth=$depth[$alldiscussion{$post}]; 502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 503: for (1..$thisdepth) { 504: $discussion.='<td>   </td>'; 505: } 506: } 507: my $colspan=$maxdepth-$thisdepth+1; 508: if ($outputtarget eq 'tex') { 509: #cleanup block 510: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 511: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 512: my $threadinsert=''; 513: if ($thisdepth > 0) { 514: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 515: } 516: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 517: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 519: 520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 521: $discussion.=$discussionitems[$alldiscussion{$post}]; 522: } elsif ($outputtarget eq 'export') { 523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 524: if ($manifestok) { 525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 526: print $manifestfile ' </item>'."\n"; 527: } 528: $currdepth = $depth[$alldiscussion{$post}]; 529: print $manifestfile "\n". 530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>'; 533: $imsresources .= "\n". 534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 535: '<file href="'.$postfilename.'">'."\n". 536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n". 537: '</resource>'; 538: } 539: my $postingfile; 540: my $postingfilename = $tempexport.'/'.$postfilename; 541: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 543: $imsitems{$alldiscussion{$post}}{'title'}.' '. 544: $imsitems{$alldiscussion{$post}}{'sender'}. 545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 548: close($postingfile); 549: } else { 550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 551: } 552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 553: } else { 554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 556: '</td></tr>'; 557: } 558: } 559: } 560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 561: my $colspan=$maxdepth+1; 562: $discussion .= <<END; 563: <tr bgcolor="#FFFFFF"> 564: <td colspan="$colspan" class="LC_disc_action_links_bar"> 565: <table class="LC_disc_action_table"> 566: <tr> 567: <td align="left"> 568: <table border="0" cellpadding="0" cellspacing="4"> 569: <tr> 570: <td> 571: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 572: <td> </td> 573: <td><font size="-1"> 574: END 575: if ($newpostsflag) { 576: $discussion .= 577: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 578: if ($dischash{$toggkey}) { 579: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 580: } 581: } else { 582: if ($dischash{$toggkey}) { 583: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 584: } else { 585: $discussion .= 586: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 587: } 588: } 589: $discussion .= <<END; 590: </font></td> 591: <td> </td> 592: <td align="left"> 593: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 594: </td> 595: </tr> 596: </table> 597: </td> 598: END 599: if ($sortposts) { 600: my %sort_types = (); 601: my %role_types = (); 602: my %status_types = (); 603: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 604: 605: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 606: if (defined($env{'form.totposters'})) { 607: $discussion .= &mt('Posts by').':'; 608: if ($totposters > 0) { 609: foreach my $poster (@posters) { 610: $discussion .= ' '.$poster.','; 611: } 612: $discussion =~ s/,$//; 613: } else { 614: $discussion .= &mt('None selected'); 615: } 616: } else { 617: my $filterchoice =''; 618: if (@sectionpick > 0) { 619: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 620: $filterchoice .= '    '; 621: } 622: if (@grouppick > 0) { 623: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 624: $filterchoice .= '    '; 625: } 626: if (@rolefilter > 0) { 627: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 628: foreach my $role (@rolefilter) { 629: $filterchoice .= ' '.$role_types{$role}.','; 630: } 631: $filterchoice =~ s/,$//; 632: $filterchoice .= '<br />'.(' ' x8); 633: } 634: if ($statusfilter) { 635: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 636: } 637: if ($filterchoice) { 638: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 639: } 640: $discussion .= '</font></td>'; 641: } 642: } 643: if ($dischash{$toggkey}) { 644: my $storebutton = &mt('Save read/unread changes'); 645: $discussion.='<td align="right">'. 646: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 647: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 648: ' onclick="this.form.submit();" />'."\n". 649: '</td>'; 650: } 651: $discussion .= (<<END); 652: </tr> 653: </table> 654: </td> 655: </tr> 656: END 657: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 658: $newpostsflag,$group, 659: $prevread,$markondisp); 660: $discussion .= " 661: </table> 662: <br /><br /></form>\n"; 663: } 664: if ($outputtarget eq 'export') { 665: if ($manifestok) { 666: while ($currdepth > 0) { 667: print $manifestfile " </item>\n"; 668: $currdepth --; 669: } 670: print $manifestfile qq| 671: </organization> 672: </organizations> 673: <resources> 674: $imsresources 675: </resources> 676: </manifest> 677: |; 678: close($manifestfile); 679: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 680: $discussion = $copyresult; 681: } else { 682: 683: #Create zip file in prtspool 684: 685: my $imszipfile = '/prtspool/'. 686: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 687: time.'_'.rand(1000000000).'.zip'; 688: my $cwd = &getcwd(); 689: my $imszip = '/home/httpd/'.$imszipfile; 690: chdir $tempexport; 691: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 692: close(OUTPUT); 693: chdir $cwd; 694: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 695: if ($copyresult) { 696: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 697: } 698: } 699: } else { 700: $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 />'; 701: } 702: return $discussion; 703: } 704: } 705: if ($discussiononly) { 706: my $now = time; 707: my $attachnum = 0; 708: my $currnewattach = []; 709: my $currdelold = []; 710: my $comment = ''; 711: my $subject = ''; 712: if ($env{'form.origpage'}) { 713: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 714: $subject = &unescape($env{'form.subject'}); 715: $comment = &unescape($env{'form.comment'}); 716: my @keepold = (); 717: &process_attachments($currnewattach,$currdelold,\@keepold); 718: if (@{$currnewattach} > 0) { 719: $attachnum += @{$currnewattach}; 720: } 721: } 722: if (&discussion_open($status)) { 723: if (($group ne '') && ($mode eq 'board')) { 724: if (&check_group_priv($group,'pgd') eq 'ok') { 725: $discussion .= 726: &postingform_display($mode,$ressymb,$now,$subject, 727: $comment,$outputtarget,$attachnum, 728: $currnewattach,$currdelold, 729: $group,$crstype); 730: } 731: } else { 732: $discussion.= 733: &postingform_display($mode,$ressymb,$now,$subject, 734: $comment,$outputtarget,$attachnum, 735: $currnewattach,$currdelold,'',$crstype); 736: } 737: } 738: } else { 739: $discussion.='<div class="LC_feedback_link">'; 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: if ($outputtarget ne 'tex') { 745: $discussion.= &send_feedback_link($ressymb,$target); 746: } 747: } 748: if ($outputtarget ne 'tex') { 749: $discussion.= &send_message_link($ressymb); 750: } 751: $discussion.='</div>'; 752: } 753: return $discussion; 754: } 755: 756: sub send_feedback_link { 757: my ($ressymb,$target) = @_; 758: my $output = '<span class="LC_feedback_link">'. 759: ' <a href="/adm/feedback?replydisc='. 760: &escape($ressymb).':::" '.$target.'>'. 761: '<img alt="" class="LC_noBorder" src="'. 762: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 763: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 764: return $output; 765: } 766: 767: sub send_message_link { 768: my ($ressymb) = @_; 769: my $output = '<span class="LC_message_link">'. 770: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 771: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 772: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png'). 773: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 774: return $output; 775: } 776: 777: sub action_links_bar { 778: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 779: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 780: '<table width="100%" class="LC_disc_action_table"><tr>'. 781: '<td class="LC_disc_action_left">'; 782: my $escsymb=&escape($ressymb); 783: if ($visible>2) { 784: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 785: if ($newpostsflag) { 786: $discussion .= '&previous='.$prevread; 787: } 788: $discussion .= &group_args($group); 789: $discussion .='">'.&mt('Threaded View').'</a>  '. 790: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 791: if ($newpostsflag) { 792: $discussion .= '&previous='.$prevread; 793: } 794: $discussion .= &group_args($group); 795: $discussion .='">'.&mt('Chronological View').'</a>   796: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 797: if ($newpostsflag) { 798: $discussion .= '&previous='.$prevread; 799: } 800: $discussion .= &group_args($group); 801: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 802: } 803: $discussion .='<a href="/adm/feedback?export='.$escsymb; 804: if ($newpostsflag) { 805: $discussion .= '&previous='.$prevread; 806: } 807: $discussion .= &group_args($group); 808: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 809: if ($newpostsflag) { 810: if (!$markondisp) { 811: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 812: $discussion .= &group_args($group); 813: $discussion .= '">'. 814: &mt('Preferences on what is marked as NEW'). 815: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 816: $discussion .= &group_args($group); 817: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 818: } else { 819: $discussion .= '<td> </td>'; 820: } 821: } else { 822: $discussion .= '<td> </td>'; 823: } 824: $discussion .= '</tr></table></td></tr>'; 825: return $discussion; 826: } 827: 828: sub postingform_display { 829: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 830: $currnewattach,$currdelold,$group,$crstype) = @_; 831: my $newattachmsg; 832: my %lt = &Apache::lonlocal::texthash( 833: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 834: 'title' => 'Title', 835: 'podi' => 'Post Discussion', 836: 'poan' => 'Post Anonymous Discussion', 837: 'newa' => 'New attachments', 838: ); 839: if ($crstype eq 'Community') { 840: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 841: } 842: my $postingform = (<<ENDDISCUSS); 843: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 844: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 845: <input type="hidden" name="sendit" value="true" /> 846: <input type="hidden" name="timestamp" value="$now" /> 847: <br /><a name="newpost"></a> 848: <font size="1">$lt{'note'}</font><br /> 849: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 850: <textarea name="comment" cols="80" rows="14" >$comment</textarea> 851: ENDDISCUSS 852: if ($env{'form.origpage'}) { 853: $postingform .= '<input type="hidden" name="origpage" value="'. 854: $env{'form.origpage'}.'" />'."\n"; 855: foreach my $att (@{$currnewattach}) { 856: $postingform .= '<input type="hidden" name="currnewattach" '. 857: 'value="'.$att.'" />'."\n"; 858: } 859: } 860: if (exists($env{'form.ref'})) { 861: $postingform .= '<input type="hidden" name="ref" value="'. 862: $env{'form.ref'}.'" />'; 863: } 864: if ($group ne '') { 865: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 866: } 867: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 868: if (!$blockblog) { 869: $postingform .= &add_blog_checkbox($crstype); 870: } 871: $postingform .= "</form>\n"; 872: if ($outputtarget ne 'tex') { 873: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 874: $now,$currnewattach, 875: $currdelold,'',$mode, 876: $blockblog); 877: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 878: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 879: if (@{$currnewattach} > 1) { 880: $newattachmsg .= '<ol>'; 881: foreach my $item (@{$currnewattach}) { 882: $item =~ m#.*/([^/]+)$#; 883: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 884: } 885: $newattachmsg .= '</ol>'."\n"; 886: } else { 887: $$currnewattach[0] =~ m#.*/([^/]+)$#; 888: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 889: } 890: } 891: $postingform .= $newattachmsg; 892: $postingform .= &generate_preview_button(); 893: } 894: return $postingform; 895: } 896: 897: sub build_posting_display { 898: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 899: my @original=(); 900: my @index=(); 901: my $skip_group_check = 0; 902: my $symb=&Apache::lonenc::check_decrypt($ressymb); 903: my $escsymb=&escape($ressymb); 904: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 905: $env{'course.'.$env{'request.course.id'}.'.domain'}, 906: $env{'course.'.$env{'request.course.id'}.'.num'}); 907: 908: my $see_anonymous = 909: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 910: 911: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 912: $skip_group_check = 1; 913: } 914: if ($contrib{'version'}) { 915: my $oldest = $contrib{'1:timestamp'}; 916: if ($prevread eq '0') { 917: $prevread = $oldest-1; 918: } 919: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 920: if ($sortposts) { 921: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 922: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 923: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 924: } 925: for (my $id=1;$id<=$contrib{'version'};$id++) { 926: my $idx=$id; 927: my $posttime = $contrib{$idx.':timestamp'}; 928: if ($prevread <= $posttime) { 929: $$newpostsflag = 1; 930: } 931: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 932: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 933: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 934: my $origindex='0.'; 935: my $numoldver=0; 936: if ($contrib{$idx.':replyto'}) { 937: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 938: # this is a follow-up message 939: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 940: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 941: $origindex=$index[$contrib{$idx.':replyto'}]; 942: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 943: } else { 944: $original[$idx]=0; 945: $$depth[$idx]=0; 946: } 947: } else { 948: # this is an original message 949: $original[$idx]=0; 950: $$depth[$idx]=0; 951: } 952: if ($$replies[$$depth[$idx]]) { 953: $$replies[$$depth[$idx]]++; 954: } else { 955: $$replies[$$depth[$idx]]=1; 956: } 957: unless ((($hidden) && (!$seeid)) || ($deleted)) { 958: $$visible++; 959: if ($contrib{$idx.':history'}) { 960: if ($contrib{$idx.':history'} =~ /:/) { 961: my @oldversions = split(/:/,$contrib{$idx.':history'}); 962: $numoldver = @oldversions; 963: } else { 964: $numoldver = 1; 965: } 966: } 967: $$current = $numoldver; 968: my %messages = (); 969: my %subjects = (); 970: my %attachtxt = (); 971: my %allattachments = (); 972: my ($screenname,$plainname); 973: my $sender = &mt('Anonymous'); 974: # Anonymous users getting number within a discussion 975: # Since idx is in static order, this should give the same sequence every time. 976: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 977: unless ($$anonhash{$key}) { 978: $anoncnt++; 979: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 980: } 981: my ($message,$subject,$vgrlink,$ctlink); 982: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 983: 984: 985: # Set up for sorting by subject 986: unless ($outputtarget eq 'export') { 987: $message=$messages{$numoldver}; 988: $message.=$attachtxt{$numoldver}; 989: $subject=$subjects{$numoldver}; 990: if ($message) { 991: if ($hidden) { 992: $message='<font color="#888888">'.$message.'</font>'; 993: if ($studenthidden) { 994: $message .='<br /><br />Deleted by poster (student).'; 995: } 996: } 997: 998: if ($subject eq '') { 999: if (defined($$subjectsort{'__No subject'})) { 1000: push(@{$$subjectsort{'__No subject'}}, $idx); 1001: } else { 1002: @{$$subjectsort{'__No subject'}} = ("$idx"); 1003: } 1004: } else { 1005: if (defined($$subjectsort{$subject})) { 1006: push(@{$$subjectsort{$subject}}, $idx); 1007: } else { 1008: @{$$subjectsort{$subject}} = ("$idx"); 1009: } 1010: } 1011: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1012: $sender=&Apache::loncommon::aboutmewrapper( 1013: $plainname, 1014: $contrib{$idx.':sendername'}, 1015: $contrib{$idx.':senderdomain'}).' ('. 1016: $contrib{$idx.':sendername'}.':'. 1017: $contrib{$idx.':senderdomain'}.')'; 1018: if ($contrib{$idx.':anonymous'}) { 1019: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1020: $screenname; 1021: } 1022: if ($see_anonymous) { 1023: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1024: } 1025: # Set up for sorting by domain, then username 1026: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1027: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1028: } 1029: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1030: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1031: } else { 1032: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1033: } 1034: # Set up for sorting by last name, then first name 1035: my %names = &Apache::lonnet::get('environment', 1036: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1037: ,$contrib{$idx.':sendername'}); 1038: my $lastname = $names{'lastname'}; 1039: my $firstname = $names{'firstname'}; 1040: if ($lastname eq '') { 1041: $lastname = '_'; 1042: } 1043: if ($firstname eq '') { 1044: $firstname = '_'; 1045: } 1046: unless (defined($$namesort{$lastname})) { 1047: %{$$namesort{$lastname}} = (); 1048: } 1049: if (defined($$namesort{$lastname}{$firstname})) { 1050: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1051: } else { 1052: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1053: } 1054: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1055: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1056: $sender.=' <a href="/adm/feedback?editdisc='. 1057: $escsymb.':::'.$idx; 1058: if ($$newpostsflag) { 1059: $sender .= '&previous='.$prevread; 1060: } 1061: $sender .= &group_args($group); 1062: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1063: 1064: unless ($seeid) { 1065: my $grpargs = &group_args($group); 1066: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1067: $sender .= '">'.&mt('Delete').'</a>'; 1068: } 1069: } 1070: } 1071: if ($seeid) { 1072: if ($hidden) { 1073: unless ($studenthidden) { 1074: $sender.=' <a href="/adm/feedback?unhide='. 1075: $escsymb.':::'.$idx; 1076: if ($$newpostsflag) { 1077: $sender .= '&previous='.$prevread; 1078: } 1079: $sender .= '">'.&mt('Make Visible').'</a>'; 1080: } 1081: } else { 1082: $sender.=' <a href="/adm/feedback?hide='. 1083: $escsymb.':::'.$idx; 1084: if ($$newpostsflag) { 1085: $sender .= '&previous='.$prevread; 1086: } 1087: $sender .= &group_args($group); 1088: $sender .= '">'.&mt('Hide').'</a>'; 1089: } 1090: my $grpargs = &group_args($group); 1091: $sender.= 1092: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1093: $sender .= &mt('Delete').'</a>'; 1094: } 1095: } else { 1096: if ($screenname) { 1097: $sender='<i>'.$screenname.'</i>'; 1098: } else { 1099: $sender='<i>'.$$anonhash{$key}.'</i>'; 1100: } 1101: # Set up for sorting by domain, then username for anonymous 1102: unless (defined($$usernamesort{'__anon'})) { 1103: %{$$usernamesort{'__anon'}} = (); 1104: } 1105: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1106: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1107: } else { 1108: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1109: } 1110: # Set up for sorting by last name, then first name for anonymous 1111: unless (defined($$namesort{'__anon'})) { 1112: %{$$namesort{'__anon'}} = (); 1113: } 1114: if (defined($$namesort{'__anon'}{'__anon'})) { 1115: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1116: } else { 1117: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1118: } 1119: } 1120: if (&discussion_open($status)) { 1121: if (($group ne '') && 1122: (&check_group_priv($group,'pgd') eq 'ok')) { 1123: $sender.=' <a href="/adm/feedback?replydisc='. 1124: $escsymb.':::'.$idx; 1125: if ($$newpostsflag) { 1126: $sender .= '&previous='.$prevread; 1127: } 1128: $sender .= &group_args($group); 1129: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1130: } elsif (&Apache::lonnet::allowed('pch', 1131: $env{'request.course.id'}. 1132: ($env{'request.course.sec'}?'/'. 1133: $env{'request.course.sec'}:''))) { 1134: $sender.=' <a href="/adm/feedback?replydisc='. 1135: $escsymb.':::'.$idx; 1136: if ($$newpostsflag) { 1137: $sender .= '&previous='.$prevread; 1138: } 1139: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1140: } 1141: } 1142: if ($viewgrades) { 1143: $vgrlink=&Apache::loncommon::submlink('Submissions', 1144: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1145: } 1146: if ($$dischash{$readkey}=~/\.$idx\./) { 1147: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1148: } else { 1149: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1150: } 1151: } 1152: #figure out at what position this needs to print 1153: } 1154: if ($outputtarget eq 'export' || $message) { 1155: my $thisindex=$idx; 1156: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1157: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1158: } 1159: $$alldiscussion{$thisindex}=$idx; 1160: $$shown{$idx} = 0; 1161: $index[$idx]=$thisindex; 1162: } 1163: if ($outputtarget eq 'export') { 1164: %{$$imsitems{$idx}} = (); 1165: $$imsitems{$idx}{'isvisible'}='true'; 1166: if ($hidden) { 1167: $$imsitems{$idx}{'isvisible'}='false'; 1168: } 1169: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1170: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1171: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1172: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1173: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1174: $contrib{$idx.':sendername'}.':'. 1175: $contrib{$idx.':senderdomain'}.')'; 1176: $$imsitems{$idx}{'isanonymous'}='false'; 1177: if ($contrib{$idx.':anonymous'}) { 1178: $$imsitems{$idx}{'isanonymous'}='true'; 1179: } 1180: $$imsitems{$idx}{'currversion'}=$numoldver; 1181: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1182: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1183: $$shown{$idx} = 1; 1184: } 1185: } else { 1186: if ($message) { 1187: my $spansize = 2; 1188: if ($showonlyunread && $prevread > $posttime) { 1189: $$notshown{$idx} = 1; 1190: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1191: $$notshown{$idx} = 1; 1192: } else { 1193: # apply filters 1194: my $uname = $contrib{$idx.':sendername'}; 1195: my $udom = $contrib{$idx.':senderdomain'}; 1196: my $poster = $uname.':'.$udom; 1197: if ($env{'form.totposters'} ne '') { 1198: if ($totposters == 0) { 1199: $$shown{$idx} = 0; 1200: } elsif ($totposters > 0) { 1201: if (grep/^$poster$/,@{$posters}) { 1202: $$shown{$idx} = 1; 1203: } 1204: } 1205: } elsif ($sortposts) { 1206: if ($skiptest) { 1207: $$shown{$idx} = 1; 1208: } else { 1209: foreach my $role (@{$$roleinfo{$poster}}) { 1210: if ($role =~ /^cc:/) { 1211: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1212: if ($role =~ /$cc_regexp/) { 1213: $$shown{$idx} = 1; 1214: last; 1215: } 1216: } elsif ($role =~ /^$rolematch$/) { 1217: $$shown{$idx} = 1; 1218: last; 1219: } 1220: } 1221: } 1222: if ($$shown{$idx} && !$skip_group_check) { 1223: my $showflag = 0; 1224: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1225: foreach my $grp (@{$grouppick}) { 1226: if (grep/^\Q$grp\E$/, 1227: keys(%{$$classgroups{$poster}{active}})) { 1228: $showflag = 1; 1229: last; 1230: } 1231: } 1232: } 1233: if ($showflag) { 1234: $$shown{$idx} = 1; 1235: } else { 1236: $$shown{$idx} = 0; 1237: } 1238: } 1239: } else { 1240: $$shown{$idx} = 1; 1241: } 1242: } 1243: unless ($$notshown{$idx} == 1) { 1244: if ($prevread > 0 && $prevread <= $posttime) { 1245: $$newitem{$idx} = 1; 1246: $$discussionitems[$idx] .= ' 1247: <table border="0" width="100%"> 1248: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>'; 1249: } else { 1250: $$newitem{$idx} = 0; 1251: $$discussionitems[$idx] .= ' 1252: <table border="0" width="100%"> 1253: <tr><td align="left"> </td>'; 1254: } 1255: $$discussionitems[$idx] .= '<td align="left">  '. 1256: '<b>'.$subject.'</b>  '. 1257: '<b>'.$sender.'</b> '.$vgrlink.' ('. 1258: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1259: if ($$dischash{$toggkey}) { 1260: $$discussionitems[$idx].='<td align="right">  '. 1261: $ctlink.'</td>'; 1262: } 1263: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1264: $message.'</blockquote>'; 1265: if ($contrib{$idx.':history'}) { 1266: my @postversions = (); 1267: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1268: if ($seeid) { 1269: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1270: $$discussionitems[$idx] .= &group_args($group); 1271: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1272: } 1273: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1274: if ($contrib{$idx.':history'} =~ m/:/) { 1275: @postversions = split(/:/,$contrib{$idx.':history'}); 1276: } else { 1277: @postversions = ("$contrib{$idx.':history'}"); 1278: } 1279: for (my $i=0; $i<@postversions; $i++) { 1280: my $version = $i+1; 1281: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1282: } 1283: } 1284: } 1285: } 1286: } 1287: } 1288: } 1289: } 1290: } 1291: 1292: sub filter_regexp { 1293: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1294: my ($roleregexp,$secregexp,$statusregexp); 1295: my $skiptest = 1; 1296: if (@{$rolefilter} > 0) { 1297: my @okrolefilter = (); 1298: foreach my $role (@{$rolefilter}) { 1299: unless ($role eq '') { 1300: push(@okrolefilter, $role); 1301: } 1302: } 1303: if (@okrolefilter > 0) { 1304: if (grep/^all$/,@okrolefilter) { 1305: $roleregexp='[^:]+'; 1306: } else { 1307: if (@okrolefilter == 1) { 1308: $roleregexp=$okrolefilter[0]; 1309: } else { 1310: $roleregexp='('.join('|',@okrolefilter).')'; 1311: } 1312: $skiptest = 0; 1313: } 1314: } 1315: } 1316: if (@{$sectionpick} > 0) { 1317: my @oksectionpick = (); 1318: foreach my $sec (@{$sectionpick}) { 1319: unless ($sec eq '') { 1320: push(@oksectionpick, $sec); 1321: } 1322: } 1323: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1324: if (@oksectionpick == 1) { 1325: $secregexp = $oksectionpick[0]; 1326: } else { 1327: $secregexp .= '('.join('|',@oksectionpick).')'; 1328: } 1329: $skiptest = 0; 1330: } else { 1331: $secregexp .= '[^:]*'; 1332: } 1333: } 1334: 1335: if (defined($statusfilter) && $statusfilter ne '') { 1336: if ($statusfilter eq 'all') { 1337: $statusregexp = '[^:]+'; 1338: } else { 1339: $statusregexp = $statusfilter; 1340: $skiptest = 0; 1341: } 1342: } 1343: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1344: } 1345: 1346: 1347: sub get_post_contents { 1348: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1349: my $discussion = ''; 1350: my $start=$numver; 1351: my $end=$numver + 1; 1352: %{$$imsfiles{$idx}}=(); 1353: if ($type eq 'allversions') { 1354: unless($seeid) { 1355: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1356: return $discussion; 1357: } 1358: } 1359: # $$screenname=&Apache::loncommon::screenname( 1360: # $$contrib{$idx.':sendername'}, 1361: # $$contrib{$idx.':senderdomain'}); 1362: $$plainname=&Apache::loncommon::nickname( 1363: $$contrib{$idx.':sendername'}, 1364: $$contrib{$idx.':senderdomain'}); 1365: $$screenname=$$contrib{$idx.':screenname'}; 1366: 1367: my $sender=&Apache::loncommon::aboutmewrapper( 1368: $$plainname, 1369: $$contrib{$idx.':sendername'}, 1370: $$contrib{$idx.':senderdomain'}).' ('. 1371: $$contrib{$idx.':sendername'}.':'. 1372: $$contrib{$idx.':senderdomain'}.')'; 1373: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1374: my @postversions = (); 1375: if ($type eq 'allversions' || $type eq 'export') { 1376: $start = 0; 1377: if ($$contrib{$idx.':history'}) { 1378: @postversions = split(/:/,$$contrib{$idx.':history'}); 1379: } 1380: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1381: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1382: push(@postversions,$$contrib{$idx.':timestamp'}); 1383: $end = @postversions; 1384: } else { 1385: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1386: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1387: } 1388: 1389: if ($$contrib{$idx.':anonymous'}) { 1390: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1391: } 1392: if ($type eq 'allversions') { 1393: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1394: } 1395: for (my $i=$start; $i<$end; $i++) { 1396: my ($timesent,$attachmsg); 1397: my %currattach = (); 1398: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1399: &newline_to_br(\$messages->{$i}); 1400: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1401: $$subjects{$i}=~s/\n/\<br \/\>/g; 1402: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1403: if ($attachmenturls) { 1404: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1405: } 1406: if ($type eq 'export') { 1407: $$imsfiles{$idx}{$i} = ''; 1408: if ($attachmsg) { 1409: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1410: foreach my $key (sort(keys(%currattach))) { 1411: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1412: my $fname = $1.$3.'/'.$4; 1413: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1414: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1415: } 1416: } 1417: } 1418: } else { 1419: if ($attachmsg) { 1420: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1421: } else { 1422: $$attachtxt{$i} = ''; 1423: } 1424: } 1425: if ($type eq 'allversions') { 1426: $discussion.= <<"END"; 1427: <li><b>$$subjects{$i}</b>, $timesent<br /> 1428: $$messages{$i}<br /> 1429: $$attachtxt{$i}</li> 1430: END 1431: } 1432: } 1433: if ($type eq 'allversions') { 1434: $discussion.='</ul>'; 1435: return $discussion; 1436: } else { 1437: return; 1438: } 1439: } 1440: 1441: sub replicate_attachments { 1442: my ($attachrefs,$tempexport) = @_; 1443: my $response; 1444: foreach my $id (keys(%{$attachrefs})) { 1445: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1446: my $path = $tempexport; 1447: my $tail = $1.'/'.$2.$4; 1448: my @extras = split(/\//,$tail); 1449: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1450: if (!-e $destination) { 1451: my $i= 0; 1452: while ($i<@extras) { 1453: $path .= '/'.$extras[$i]; 1454: if (!-e $path) { 1455: mkdir($path,0700); 1456: } 1457: $i ++; 1458: } 1459: my ($content,$rtncode); 1460: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1461: if ($uploadreply eq 'ok') { 1462: my $attachcopy; 1463: if ($attachcopy = Apache::File->new('>'.$destination)) { 1464: print $attachcopy $content; 1465: close($attachcopy); 1466: } else { 1467: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1468: } 1469: } else { 1470: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1471: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1472: } 1473: } 1474: } 1475: } 1476: return $response; 1477: } 1478: 1479: sub mail_screen { 1480: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1481: if (exists($env{'form.origpage'})) { 1482: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1483: } 1484: 1485: my %lt = &Apache::lonlocal::texthash( 1486: 'myqu' => 'My question/comment/feedback:', 1487: 'title' => 'Title', 1488: 'reta' => 'Retained attachments', 1489: 'atta' => 'Attachment', 1490: ); 1491: my $restitle = &get_resource_title($caller_symb,$feedurl); 1492: my $quote=''; 1493: my $subject = ''; 1494: my $comment = ''; 1495: my $prevtag = ''; 1496: my $parentmsg = ''; 1497: my ($symb,$idx,$attachmenturls); 1498: my $numoldver = 0; 1499: my $attachmsg = ''; 1500: my $newattachmsg = ''; 1501: my @currnewattach = (); 1502: my @currdelold = (); 1503: my @keepold = (); 1504: my %attachments = (); 1505: my %currattach = (); 1506: my $attachnum = 0; 1507: my $anonchk = (<<END); 1508: function anonchk() { 1509: for (var i=0; i < document.mailform.discuss.length; i++) { 1510: if (document.mailform.discuss[i].checked) { 1511: document.attachment.discuss.value = 1512: document.mailform.discuss[i].value; 1513: } 1514: } 1515: if (document.mailform.blog.checked) { 1516: document.attachment.blog.value = 1; 1517: } 1518: return 1519: } 1520: END 1521: my $anonscript; 1522: if (exists($env{'form.origpage'})) { 1523: $anonscript = (<<END); 1524: function setposttype() { 1525: var disc = "$env{'form.discuss'}"; 1526: for (var i=0; i < document.mailform.discuss.length; i++) { 1527: if (disc == document.mailform.discuss[i].value) { 1528: document.mailform.discuss[i].checked = 1; 1529: } 1530: } 1531: var blog = "$env{'form.blog'}"; 1532: if (blog == 1) { 1533: document.mailform.blog.checked=1; 1534: } 1535: return 1536: } 1537: END 1538: } else { 1539: $anonscript = (<<END); 1540: function setposttype() { 1541: return 1542: } 1543: END 1544: } 1545: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1546: if ($env{'form.replydisc'}) { 1547: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1548: } else { 1549: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1550: } 1551: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1552: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1553: $env{'course.'.$env{'request.course.id'}.'.num'}); 1554: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1555: if ($contrib{$idx.':history'}) { 1556: if ($contrib{$idx.':history'} =~ /:/) { 1557: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1558: $numoldver = @oldversions; 1559: } else { 1560: $numoldver = 1; 1561: } 1562: } 1563: if ($env{'form.replydisc'}) { 1564: if ($contrib{$idx.':history'}) { 1565: if ($contrib{$idx.':history'} =~ /:/) { 1566: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1567: $numoldver = @oldversions; 1568: } else { 1569: $numoldver = 1; 1570: } 1571: } 1572: if ($idx > 0) { 1573: my %msgversions = (); 1574: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1575: $quote = $msgversions{$numoldver}; 1576: } 1577: if ($idx > 0) { 1578: my %subversions = (); 1579: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1580: $subject = &mt('Re: ').$subversions{$numoldver}; 1581: } 1582: $subject = &HTML::Entities::encode($subject,'<>&"'); 1583: } else { 1584: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1585: if ($idx > 0) { 1586: my %msgversions = (); 1587: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1588: $comment = $msgversions{$numoldver}; 1589: my %subversions = (); 1590: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1591: $subject = $subversions{$numoldver}; 1592: } 1593: if (defined($contrib{$idx.':replyto'})) { 1594: $parentmsg = $contrib{$idx.':replyto'}; 1595: } 1596: unless (exists($env{'form.origpage'})) { 1597: my $anonflag = 'nonanon'; 1598: if ($contrib{$idx.':anonymous'}) { 1599: $anonflag = 'anon'; 1600: } 1601: $anonscript = (<<END); 1602: function setposttype () { 1603: var currtype = "$anonflag"; 1604: for (var i=0; i<document.mailform.discuss.length; i++) { 1605: if (document.mailform.elements.discuss[i].value == currtype ) { 1606: document.mailform.elements.discuss[i].checked=1; 1607: } 1608: } 1609: return 1610: } 1611: END 1612: } 1613: } 1614: } 1615: if ($env{'form.previous'}) { 1616: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1617: } 1618: } 1619: 1620: if ($env{'form.origpage'}) { 1621: $subject = &unescape($env{'form.subject'}); 1622: $comment = &unescape($env{'form.comment'}); 1623: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1624: } 1625: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1626: my $send=&mt('Send'); 1627: my $alert = &mt('Please select a feedback type.'); 1628: my $js= <<END; 1629: <script type="text/javascript"> 1630: // 1664: </script> 1665: END 1666: 1667: # Breadcrumbs 1668: my $brcrum = [{'href' => '', 1669: 'text' => 'Resource Feedback and Discussion'}]; 1670: 1671: my %onload = ('onload' => 'window.focus();setposttype();'); 1672: my $start_page= 1673: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1674: {'add_entries' => \%onload, 1675: 'bread_crumbs' => $brcrum,}); 1676: 1677: if ($quote ne '') { 1678: &newline_to_br(\$quote); 1679: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1680: } 1681: 1682: $r->print(<<END); 1683: $start_page 1684: <h2><tt>$restitle</tt></h2> 1685: <form action="/adm/feedback" method="post" name="mailform" 1686: enctype="multipart/form-data"> 1687: $prevtag 1688: <input type="hidden" name="postdata" value="$feedurl" /> 1689: END 1690: if ($env{'form.replydisc'}) { 1691: $r->print(<<END); 1692: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1693: END 1694: } elsif ($env{'form.editdisc'}) { 1695: $r->print(<<END); 1696: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1697: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1698: END 1699: } 1700: $r->print(<<END); 1701: $options<hr /> 1702: $quote 1703: <p>$lt{'myqu'}</p> 1704: <p> 1705: $latexHelp 1706: </p> 1707: <p> 1708: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1709: <p> 1710: <textarea name="comment" id="comment" cols="60" rows="10">$comment 1711: </textarea></p> 1712: <p> 1713: END 1714: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1715: if ($env{'form.origpage'}) { 1716: foreach my $attach (@currnewattach) { 1717: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1718: } 1719: foreach my $oldatt (@currdelold) { 1720: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1721: } 1722: } 1723: if ($env{'form.editdisc'}) { 1724: if ($attachmenturls) { 1725: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1726: $attachnum = scalar(keys(%currattach)); 1727: foreach my $key (keys(%currattach)) { 1728: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1729: } 1730: } 1731: } 1732: } else { 1733: $r->print(<<END); 1734: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1735: </p> 1736: END 1737: } 1738: if (exists($env{'form.group'})) { 1739: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1740: } 1741: if (exists($env{'form.ref'})) { 1742: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1743: } 1744: $r->print(<<END); 1745: <p> 1746: <input type="hidden" name="sendit" value="1" /> 1747: <input type="button" value="$send" onclick='gosubmit();' /> 1748: </p> 1749: </form> 1750: END 1751: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1752: my $now = time; 1753: my $ressymb = $symb; 1754: &Apache::lonenc::check_encrypt(\$ressymb); 1755: my $postidx = ''; 1756: if ($env{'form.editdisc'}) { 1757: $postidx = $idx; 1758: } 1759: if (@currnewattach > 0) { 1760: $attachnum += @currnewattach; 1761: } 1762: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1763: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1764: if ($attachnum > 0) { 1765: if (@currnewattach > 0) { 1766: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1767: if (@currnewattach > 1) { 1768: $newattachmsg .= '<ol>'; 1769: foreach my $item (@currnewattach) { 1770: $item =~ m#.*/([^/]+)$#; 1771: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1772: } 1773: $newattachmsg .= '</ol>'."\n"; 1774: } else { 1775: $currnewattach[0] =~ m#.*/([^/]+)$#; 1776: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1777: } 1778: } 1779: if ($attachmsg) { 1780: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1781: } 1782: if ($newattachmsg) { 1783: $r->print("$newattachmsg<br />"); 1784: } 1785: } 1786: } 1787: $r->print(&generate_preview_button(). 1788: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1789: &Apache::loncommon::end_page()); 1790: 1791: } 1792: 1793: sub print_display_options { 1794: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1795: &Apache::loncommon::content_type($r,'text/html'); 1796: $r->send_http_header; 1797: 1798: my $function = &Apache::loncommon::get_users_function(); 1799: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1800: $env{'user.domain'}); 1801: 1802: my %lt = &Apache::lonlocal::texthash( 1803: 'pref' => 'Display Preference', 1804: 'curr' => 'Current setting ', 1805: 'actn' => 'Action', 1806: 'deff' => 'Default for all discussions', 1807: 'prca' => 'Preferences can be set for this discussion that determine ....', 1808: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1809: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1810: 'wipa' => 'Whether individual posts can be marked as read/unread', 1811: 'allposts' => 'All posts', 1812: 'unread' => 'New posts only', 1813: 'unmark' => 'Posts not marked read', 1814: 'ondisp' => 'Once displayed', 1815: 'onmark' => 'Once marked not NEW', 1816: 'toggon' => 'Shown', 1817: 'toggoff' => 'Not shown', 1818: 'disa' => 'Posts displayed?', 1819: 'npmr' => 'New posts cease to be identified as "NEW"?', 1820: 'dotm' => 'Option to mark each post as read/unread?', 1821: 'chgt' => 'Change to ', 1822: 'mkdf' => 'Set to ', 1823: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1824: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1825: ); 1826: 1827: my $dispchangeA = $lt{'unread'}; 1828: my $dispchangeB = $lt{'unmark'}; 1829: my $markchange = $lt{'ondisp'}; 1830: my $toggchange = $lt{'toggon'}; 1831: my $currdisp = $lt{'allposts'}; 1832: my $currmark = $lt{'onmark'}; 1833: my $discdisp = 'allposts'; 1834: my $discmark = 'onmark'; 1835: my $currtogg = $lt{'toggoff'}; 1836: my $disctogg = 'toggoff'; 1837: 1838: if ($dispchgA eq 'allposts') { 1839: $dispchangeA = $lt{'allposts'}; 1840: $currdisp = $lt{'unread'}; 1841: $discdisp = 'unread'; 1842: } 1843: 1844: if ($markchg eq 'markonread') { 1845: $markchange = $lt{'onmark'}; 1846: $currmark = $lt{'ondisp'}; 1847: $discmark = 'ondisp'; 1848: } 1849: 1850: if ($dispchgB eq 'onlyunread') { 1851: $dispchangeB = $lt{'unread'}; 1852: $currdisp = $lt{'unmark'}; 1853: $discdisp = 'unmark'; 1854: } 1855: if ($toggchg eq 'toggoff') { 1856: $toggchange = $lt{'toggoff'}; 1857: $currtogg = $lt{'toggon'}; 1858: $disctogg = 'toggon'; 1859: } 1860: 1861: my $js = <<END; 1862: <script type="text/javascript"> 1863: function discdispChk(caller) { 1864: var disctogg = '$toggchg' 1865: if (caller == 0) { 1866: if (document.modifydisp.discdisp[0].checked == true) { 1867: if (document.modifydisp.discdisp[1].checked == true) { 1868: document.modifydisp.discdisp[1].checked = false 1869: } 1870: } 1871: } 1872: if (caller == 1) { 1873: if (document.modifydisp.discdisp[1].checked == true) { 1874: if (document.modifydisp.discdisp[0].checked == true) { 1875: document.modifydisp.discdisp[0].checked = false 1876: } 1877: if (disctogg == 'toggon') { 1878: document.modifydisp.disctogg.checked = true 1879: } 1880: if (disctogg == 'toggoff') { 1881: document.modifydisp.disctogg.checked = false 1882: } 1883: } 1884: } 1885: if (caller == 2) { 1886: var dispchgB = '$dispchgB' 1887: if (disctogg == 'toggoff') { 1888: if (document.modifydisp.disctogg.checked == true) { 1889: if (dispchgB == 'onlyunmark') { 1890: document.modifydisp.discdisp[1].checked = false 1891: } 1892: } 1893: } 1894: } 1895: } 1896: 1897: function setDisp() { 1898: var prev = "$previous" 1899: var chktotal = 0 1900: if (document.modifydisp.discdisp[0].checked == true) { 1901: document.modifydisp.$dispchgA.value = "$symb" 1902: chktotal ++ 1903: } 1904: if (document.modifydisp.discdisp[1].checked == true) { 1905: document.modifydisp.$dispchgB.value = "$symb" 1906: chktotal ++ 1907: } 1908: if (document.modifydisp.discmark.checked == true) { 1909: document.modifydisp.$markchg.value = "$symb" 1910: chktotal ++ 1911: } 1912: if (document.modifydisp.disctogg.checked == true) { 1913: document.modifydisp.$toggchg.value = "$symb" 1914: chktotal ++ 1915: } 1916: if (chktotal > 0) { 1917: document.modifydisp.submit() 1918: } else { 1919: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1920: if (prev > 0) { 1921: location.href = "$feedurl?previous=$previous" 1922: } else { 1923: location.href = "$feedurl" 1924: } 1925: } 1926: } 1927: } 1928: </script> 1929: END 1930: 1931: 1932: my $start_page = 1933: &Apache::loncommon::start_page('Discussion display options',$js); 1934: my $end_page = 1935: &Apache::loncommon::end_page(); 1936: $r->print(<<END); 1937: $start_page 1938: <form name="modifydisp" method="post" action="/adm/feedback"> 1939: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1940: <br /> 1941: END 1942: $r->print(&Apache::loncommon::start_data_table()); 1943: $r->print(<<END); 1944: <tr> 1945: <th>$lt{'pref'}</td> 1946: <th>$lt{'curr'}</td> 1947: <th>$lt{'actn'}?</td> 1948: </tr> 1949: END 1950: $r->print(&Apache::loncommon::start_data_table_row()); 1951: $r->print(<<END); 1952: <td>$lt{'disa'}</td> 1953: <td>$lt{$discdisp}</td> 1954: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1955: <br /> 1956: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1957: </td> 1958: END 1959: $r->print(&Apache::loncommon::end_data_table_row()); 1960: $r->print(&Apache::loncommon::start_data_table_row()); 1961: $r->print(<<END); 1962: <td>$lt{'npmr'}</td> 1963: <td>$lt{$discmark}</td> 1964: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1965: END 1966: $r->print(&Apache::loncommon::end_data_table_row()); 1967: $r->print(&Apache::loncommon::start_data_table_row()); 1968: $r->print(<<END); 1969: <td>$lt{'dotm'}</td> 1970: <td>$lt{$disctogg}</td> 1971: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1972: END 1973: my $save = &mt('Save'); 1974: $r->print(&Apache::loncommon::end_data_table_row()); 1975: $r->print(&Apache::loncommon::end_data_table()); 1976: $r->print(<<END); 1977: <br /> 1978: <br /> 1979: <input type="hidden" name="symb" value="$symb" /> 1980: <input type="hidden" name="previous" value="$previous" /> 1981: <input type="hidden" name="$dispchgA" value="" /> 1982: <input type="hidden" name="$dispchgB" value="" /> 1983: <input type="hidden" name="$markchg" value="" /> 1984: <input type="hidden" name="$toggchg" value="" /> 1985: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 1986: END 1987: if (exists($env{'form.group'})) { 1988: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1989: } 1990: if (exists($env{'form.ref'})) { 1991: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1992: } 1993: $r->print(" 1994: <br /> 1995: <br /> 1996: </form> 1997: $end_page 1998: "); 1999: return; 2000: } 2001: 2002: sub print_sortfilter_options { 2003: my ($r,$symb,$previous,$feedurl) = @_; 2004: 2005: &Apache::loncommon::content_type($r,'text/html'); 2006: $r->send_http_header; 2007: 2008: &Apache::lonenc::check_encrypt(\$symb); 2009: my @sections; 2010: my $section_sel = ''; 2011: my $numvisible = 5; 2012: my @groups; 2013: my $group_sel = ''; 2014: my $numgroupvis = 5; 2015: my %sectioncount = &Apache::loncommon::get_sections(); 2016: my @courseroles = qw(st ad ep ta in); 2017: my $crstype = &Apache::loncommon::course_type(); 2018: my $ccrole = 'cc'; 2019: if ($crstype eq 'Community') { 2020: $ccrole = 'co'; 2021: } 2022: push(@courseroles,$ccrole); 2023: 2024: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2025: @sections = ('all',$env{'request.course.sec'}); 2026: $numvisible = 2; 2027: } else { 2028: @sections = sort {$a cmp $b} keys(%sectioncount); 2029: if (scalar(@sections) < 4) { 2030: $numvisible = scalar(@sections) + 1; 2031: } 2032: unshift(@sections,'all'); # Put 'all' at the front of the list 2033: 2034: } 2035: foreach my $sec (@sections) { 2036: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2037: } 2038: 2039: if (&check_group_priv() eq 'ok') { 2040: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2041: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2042: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2043: @groups = sort {$a cmp $b} keys(%curr_groups); 2044: if (scalar(@groups) < 4) { 2045: $numgroupvis = scalar(@groups) + 1; 2046: } 2047: unshift(@groups,'all'); # Put 'all' at the front of the list 2048: } else { 2049: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2050: if (@coursegroups > 0) { 2051: @coursegroups = sort {$a cmp $b} @coursegroups; 2052: @groups = ('all',@coursegroups); 2053: if (scalar(@groups) < 4) { 2054: $numgroupvis = scalar(@groups) + 1; 2055: } 2056: } else { 2057: @groups = ('all'); 2058: $numgroupvis = 1; 2059: } 2060: } 2061: foreach my $group (@groups) { 2062: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2063: } 2064: 2065: my $function = &Apache::loncommon::get_users_function(); 2066: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2067: $env{'user.domain'}); 2068: my %lt = &Apache::lonlocal::texthash( 2069: 'diop' => 'Display Options', 2070: 'curr' => 'Current setting ', 2071: 'actn' => 'Action', 2072: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2073: 'soor' => 'Sort order', 2074: 'spur' => 'Specific user roles', 2075: 'sprs' => 'Specific role status', 2076: 'spse' => 'Specific sections', 2077: 'spgr' => 'Specific groups', 2078: 'psub' => 'Pick specific users (by name)', 2079: 'shal' => 'Show a list of current posters', 2080: 'stor' => 'Save changes', 2081: ); 2082: 2083: my %sort_types = (); 2084: my %role_types = (); 2085: my %status_types = (); 2086: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2087: 2088: my $js = <<END; 2089: <script type="text/javascript"> 2090: function verifyFilter() { 2091: var rolenum = 0 2092: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2093: if (document.modifyshown.rolefilter.options[i].selected == true) { 2094: rolenum ++ 2095: } 2096: } 2097: if (rolenum == 0) { 2098: document.modifyshown.rolefilter.options[0].selected = true 2099: } 2100: 2101: var secnum = 0 2102: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2103: if (document.modifyshown.sectionpick.options[i].selected == true) { 2104: secnum ++ 2105: } 2106: } 2107: if (secnum == 0) { 2108: document.modifyshown.sectionpick.options[0].selected = true 2109: } 2110: 2111: var grpnum = 0 2112: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2113: if (document.modifyshown.grouppick.options[i].selected == true) { 2114: grpnum ++ 2115: } 2116: } 2117: if (grpnum == 0) { 2118: document.modifyshown.grouppick.options[0].selected = true 2119: } 2120: 2121: document.modifyshown.submit(); 2122: } 2123: </script> 2124: END 2125: 2126: my $start_page= 2127: &Apache::loncommon::start_page('Discussion options',$js); 2128: my $end_page= 2129: &Apache::loncommon::end_page(); 2130: 2131: $r->print(<<END); 2132: $start_page 2133: <form name="modifyshown" method="post" action="/adm/feedback"> 2134: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2135: <br /><br /> 2136: <table border="0"> 2137: <tr> 2138: <th>$lt{'soor'}</th> 2139: <th> </th> 2140: <th>$lt{'sprs'}</th> 2141: <th> </th> 2142: <th>$lt{'spur'}</th> 2143: <th> </th> 2144: <th>$lt{'spse'}</th> 2145: <th> </th> 2146: <th>$lt{'spgr'}</th> 2147: <th> </th> 2148: <th>$lt{'psub'}</th> 2149: </tr> 2150: <tr> 2151: <td align="center" valign="top"> 2152: <select name="sortposts"> 2153: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2154: <option value="descdate">$sort_types{'descdate'}</option> 2155: <option value="thread">$sort_types{'thread'}</option> 2156: <option value="subject">$sort_types{'subject'}</option> 2157: <option value="username">$sort_types{'username'}</option> 2158: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2159: </select> 2160: </td> 2161: <td> </td> 2162: <td align="center" valign="top"> 2163: <select name="statusfilter"> 2164: <option value="all" selected="selected">$status_types{'all'}</option> 2165: <option value="Active">$status_types{'Active'}</option> 2166: <option value="Expired">$status_types{'Expired'}</option> 2167: <option value="Future">$status_types{'Future'}</option> 2168: </select> 2169: </td> 2170: <td> </td> 2171: <td align="center" valign="top"> 2172: <select name="rolefilter" multiple="multiple" size="5"> 2173: <option value="all">$role_types{'all'}</option> 2174: <option value="st">$role_types{'st'}</option> 2175: <option value="$ccrole">$role_types{$ccrole}</option> 2176: <option value="in">$role_types{'in'}</option> 2177: <option value="ta">$role_types{'ta'}</option> 2178: <option value="ep">$role_types{'ep'}</option> 2179: <option value="ad">$role_types{'ad'}</option> 2180: <option value="cr">$role_types{'cr'}</option> 2181: </select> 2182: </td> 2183: <td> </td> 2184: <td align="center" valign="top"> 2185: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2186: $section_sel 2187: </select> 2188: </td> 2189: <td> </td> 2190: <td align="center" valign="top"> 2191: <select name="grouppick" multiple="multiple" size="$numvisible"> 2192: $group_sel 2193: </select> 2194: </td> 2195: <td> </td> 2196: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2197: </tr> 2198: </table> 2199: <br /> 2200: <br /> 2201: <input type="hidden" name="previous" value="$previous" /> 2202: <input type="hidden" name="applysort" value="$symb" /> 2203: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2204: END 2205: if (exists($env{'form.group'})) { 2206: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2207: } 2208: if (exists($env{'form.ref'})) { 2209: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2210: } 2211: $r->print(" 2212: <br /> 2213: <br /> 2214: </form> 2215: $end_page 2216: "); 2217: } 2218: 2219: sub print_showposters { 2220: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2221: 2222: &Apache::loncommon::content_type($r,'text/html'); 2223: $r->send_http_header; 2224: 2225: &Apache::lonenc::check_encrypt(\$symb); 2226: my $crs='/'.$env{'request.course.id'}; 2227: if ($env{'request.course.sec'}) { 2228: $crs.='_'.$env{'request.course.sec'}; 2229: } 2230: $crs=~s/\_/\//g; 2231: my $seeid; 2232: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2233: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2234: my $group = $env{'form.group'}; 2235: my $ressymb = &wrap_symb($symb); 2236: if (($group ne '') && 2237: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2238: if (&check_group_priv($group,'dgp') eq 'ok') { 2239: $seeid = 1; 2240: } 2241: } else { 2242: $seeid=&Apache::lonnet::allowed('rin',$crs); 2243: } 2244: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2245: $cdom,$cnum); 2246: my %namesort = (); 2247: my %postcounts = (); 2248: 2249: my %lt = &Apache::lonlocal::texthash( 2250: sele => 'Select', 2251: full => 'Fullname', 2252: usdo => 'Username:domain', 2253: post => 'Posts', 2254: ); 2255: if ($contrib{'version'}) { 2256: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2257: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2258: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2259: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2260: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2261: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2262: my $lastname = $names{'lastname'}; 2263: my $firstname = $names{'firstname'}; 2264: if ($lastname eq '') { 2265: $lastname = '_'; 2266: } 2267: if ($firstname eq '') { 2268: $firstname = '_'; 2269: } 2270: unless (defined($namesort{$lastname})) { 2271: %{$namesort{$lastname}} = (); 2272: } 2273: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2274: $postcounts{$poster} ++; 2275: if (defined($namesort{$lastname}{$firstname})) { 2276: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2277: push(@{$namesort{$lastname}{$firstname}}, $poster); 2278: } 2279: } else { 2280: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2281: } 2282: } 2283: } 2284: } 2285: } 2286: 2287: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2288: my $table_start =&Apache::loncommon::start_data_table(); 2289: $r->print(<<END); 2290: $start_page 2291: <form name="pickpostersform" method="post"> 2292: <br /> 2293: $table_start 2294: <tr> 2295: <th>#</th> 2296: <th>$lt{'sele'}</th> 2297: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2298: <th>$lt{'post'}</th> 2299: </tr> 2300: END 2301: my $count = 0; 2302: foreach my $last (sort(keys(%namesort))) { 2303: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2304: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2305: my ($uname,$udom) = split(/:/,$user); 2306: if (!$uname || !$udom) { 2307: next; 2308: } else { 2309: $count ++; 2310: $r->print(&Apache::loncommon::start_data_table_row(). 2311: '<td align="right">'.$count.'</td> 2312: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2313: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2314: <td>'.$postcounts{$user}.'</td>'. 2315: &Apache::loncommon::end_data_table_row()); 2316: } 2317: } 2318: } 2319: } 2320: $r->print(&Apache::loncommon::end_data_table()); 2321: my $end_page = &Apache::loncommon::end_page(); 2322: $r->print(<<END); 2323: <br /> 2324: <input type="hidden" name="sortposts" value="$sortposts" /> 2325: <input type="hidden" name="userpick" value="$symb" /> 2326: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2327: </form> 2328: $end_page 2329: END 2330: } 2331: 2332: sub get_post_versions { 2333: my ($versions,$incoming,$htmldecode,$numver) = @_; 2334: if ($incoming =~ /^<version num="0">/) { 2335: my $p = HTML::LCParser->new(\$incoming); 2336: my $done = 0; 2337: 2338: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2339: my $num = $token->[1]{num}; 2340: my $text = $p->get_text("/version"); 2341: if (defined($numver)) { 2342: if ($num == $numver) { 2343: if ($htmldecode) { 2344: $text = &HTML::Entities::decode($text); 2345: } 2346: $$versions{$numver}=$text; 2347: $done = 1; 2348: } 2349: } else { 2350: if ($htmldecode) { 2351: $text = &HTML::Entities::decode($text); 2352: } 2353: $$versions{$num}=$text; 2354: } 2355: } 2356: } else { 2357: if (!defined($numver)) { 2358: $numver = 0; 2359: } 2360: if ($htmldecode) { 2361: $$versions{$numver} = $incoming; 2362: } else { 2363: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2364: } 2365: } 2366: return; 2367: } 2368: 2369: sub get_post_attachments { 2370: my ($attachments,$attachmenturls) = @_; 2371: my $num; 2372: if ($attachmenturls =~ m/^<attachment id="0">/) { 2373: my $p = HTML::LCParser->new(\$attachmenturls); 2374: while (my $token = $p->get_tag("attachment","filename","post")) { 2375: if ($token->[0] eq "attachment") { 2376: $num = $token->[1]{id}; 2377: %{$$attachments{$num}} =(); 2378: } elsif ($token->[0] eq "filename") { 2379: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2380: } elsif ($token->[0] eq "post") { 2381: my $id = $token->[1]{id}; 2382: $$attachments{$num}{$id} = $p->get_text("/post"); 2383: } 2384: } 2385: } else { 2386: %{$$attachments{'0'}} = (); 2387: $$attachments{'0'}{'filename'} = $attachmenturls; 2388: $$attachments{'0'}{'0'} = 'n'; 2389: } 2390: 2391: return; 2392: } 2393: 2394: sub fail_redirect { 2395: my ($r,$feedurl) = @_; 2396: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2397: my %lt = &Apache::lonlocal::texthash( 2398: 'sorr' => 'Sorry, no recipients ...', 2399: ); 2400: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2401: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2402: {'redirect' => [2,$feedurl], 2403: 'only_body' => 1,})); 2404: $r->print(<<ENDFAILREDIR); 2405: <img align="right" src="$logo" /> 2406: <b>$lt{'sorr'}</b> 2407: ENDFAILREDIR 2408: $r->print(&Apache::loncommon::end_page()); 2409: } 2410: 2411: sub redirect_back { 2412: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2413: my $sorttag = ''; 2414: my $roletag = ''; 2415: my $statustag = ''; 2416: my $sectag = ''; 2417: my $grptag = ''; 2418: my $userpicktag = ''; 2419: my $qrystr = ''; 2420: my $prevtag = ''; 2421: 2422: &Apache::loncommon::content_type($r,'text/html'); 2423: $r->send_http_header; 2424: &dewrapper(\$feedurl); 2425: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2426: if ($previous > 0) { 2427: $qrystr = 'previous='.$previous; 2428: if ($feedurl =~ /\?register=1/) { 2429: $feedurl .= '&'.$qrystr; 2430: } else { 2431: $feedurl .= '?'.$qrystr; 2432: } 2433: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2434: } 2435: if (defined($sort)) { 2436: my $sortqry = 'sortposts='.$sort; 2437: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2438: $feedurl .= '&'.$sortqry; 2439: } else { 2440: $feedurl .= '?'.$sortqry; 2441: } 2442: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2443: if (defined($numpicks)) { 2444: my $userpickqry = 'totposters='.$numpicks; 2445: $feedurl .= '&'.$userpickqry; 2446: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2447: } else { 2448: if (ref($sectionpick) eq 'ARRAY') { 2449: $feedurl .= '&sectionpick='; 2450: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2451: foreach my $sec (@{$sectionpick}) { 2452: $feedurl .= $sec.','; 2453: $sectag .= $sec.','; 2454: } 2455: $feedurl =~ s/,$//; 2456: $sectag =~ s/,$//; 2457: $sectag .= '" />'; 2458: } else { 2459: $feedurl .= '&sectionpick='.$sectionpick; 2460: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2461: } 2462: if (ref($grouppick) eq 'ARRAY') { 2463: $feedurl .= '&grouppick='; 2464: $sectag .= '<input type="hidden" name="grouppick" value="'; 2465: foreach my $grp (@{$grouppick}) { 2466: $feedurl .= $grp.','; 2467: $grptag .= $grp.','; 2468: } 2469: $feedurl =~ s/,$//; 2470: $grptag =~ s/,$//; 2471: $grptag .= '" />'; 2472: } else { 2473: $feedurl .= '&grouppick='.$grouppick; 2474: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2475: } 2476: if (ref($rolefilter) eq 'ARRAY') { 2477: $feedurl .= '&rolefilter='; 2478: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2479: foreach my $role (@{$rolefilter}) { 2480: $feedurl .= $role.','; 2481: $roletag .= $role.','; 2482: } 2483: $feedurl =~ s/,$//; 2484: $roletag =~ s/,$//; 2485: $roletag .= '" />'; 2486: } else { 2487: $feedurl .= '&rolefilter='.$rolefilter; 2488: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2489: } 2490: $feedurl .= '&statusfilter='.$statusfilter; 2491: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2492: } 2493: } 2494: my $grouptag; 2495: if ($group ne '') { 2496: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2497: my $refarg; 2498: if (exists($env{'form.ref'})) { 2499: $refarg = '&ref='.$env{'form.ref'}; 2500: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2501: } 2502: if ($feedurl =~ /\?/) { 2503: $feedurl .= '&group='.$group.$refarg; 2504: } else { 2505: $feedurl .= '?group='.$group.$refarg; 2506: } 2507: } 2508: &Apache::lonenc::check_encrypt(\$feedurl); 2509: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2510: my %onload; 2511: if ($env{'environment.remote'} ne 'off') { 2512: $onload{'onload'} = 2513: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2514: } 2515: my $start_page= 2516: &Apache::loncommon::start_page('Feedback sent',undef, 2517: {'redirect' => [0,$feedurl], 2518: 'only_body' => 1, 2519: 'add_entries' => \%onload}); 2520: my $end_page = &Apache::loncommon::end_page(); 2521: $r->print(<<ENDREDIR); 2522: $start_page 2523: <img align="right" src="$logo" /> 2524: $typestyle 2525: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2526: $blog 2527: $toolarge 2528: <font color="red">$status</font> 2529: <form name="reldt" action="$feedurl" target="loncapaclient"> 2530: $prevtag 2531: $sorttag 2532: $statustag 2533: $roletag 2534: $sectag 2535: $grptag 2536: $userpicktag 2537: $grouptag 2538: </form> 2539: $end_page 2540: ENDREDIR 2541: } 2542: 2543: sub no_redirect_back { 2544: my ($r,$feedurl) = @_; 2545: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2546: 2547: my %onload; 2548: if ($env{'environment.remote'} ne 'off') { 2549: $onload{'onload'} = 2550: "if (window.name!='loncapaclient') { self.window.close(); }"; 2551: } 2552: 2553: my %body_options = ('only_body' => 1, 2554: 'bgcolor' => '#FFFFFF', 2555: 'add_entries' => \%onload,); 2556: 2557: if ($feedurl !~ m{^/adm/feedback}) { 2558: $body_options{'rediect'} = [2,$feedurl]; 2559: } 2560: my $start_page= 2561: &Apache::loncommon::start_page('Feedback not sent',undef, 2562: \%body_options); 2563: 2564: my $end_page = &Apache::loncommon::end_page(); 2565: 2566: &Apache::lonenc::check_encrypt(\$feedurl); 2567: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2568: $r->print (<<ENDNOREDIRTWO); 2569: $start_page 2570: <img align="right" src="$logo" /> 2571: <b>$nofeed</b> 2572: <br /> 2573: $end_page 2574: ENDNOREDIRTWO 2575: } 2576: 2577: sub screen_header { 2578: my ($feedurl,$symb) = @_; 2579: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2580: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2581: my $contribdisc = &mt('Contribution to course discussion of resource'); 2582: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2583: my $namevis = &mt('name only visible to course faculty'); 2584: my $crstype; 2585: if ($env{'request.course.id'}) { 2586: $crstype = &Apache::loncommon::course_type(); 2587: if ($crstype eq 'Community') { 2588: $crscontent = &mt('Question/Comment/Feedback about community content'); 2589: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2590: $contribdisc = &mt('Contribution to community discussion of resource'); 2591: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2592: $namevis = &mt('name only visible to community facilitators'); 2593: } 2594: } 2595: my $msgoptions=''; 2596: my $discussoptions=''; 2597: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2598: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2599: $msgoptions= 2600: '<p><label><input type="radio" name="discuss" value="author" /> '. 2601: &mt('Feedback to resource author').'</label></p>'; 2602: } 2603: my %optionhash=(); 2604: foreach my $type ('question','comment','policy') { 2605: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2606: } 2607: if (&feedback_available(1)) { 2608: $msgoptions.= 2609: '<p><label><input type="radio" name="discuss" value="question" /> '. 2610: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2611: } 2612: if (&feedback_available(0,1)) { 2613: $msgoptions.= 2614: '<p><label><input type="radio" name="discuss" value="course" /> '. 2615: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2616: '</label></p>'; 2617: } 2618: if (&feedback_available(0,0,1)) { 2619: $msgoptions.= 2620: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2621: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2622: '</label></p>'; 2623: } 2624: } 2625: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2626: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2627: if (!$blocked && &discussion_open(undef,$symb) && 2628: &Apache::lonnet::allowed('pch', 2629: $env{'request.course.id'}. 2630: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2631: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2632: $contribdisc. 2633: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2634: $anoncontrib. 2635: ' <i>('.$namevis.')</i></label> '. 2636: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2637: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2638: if (!$blockblog) { 2639: $discussoptions.= &add_blog_checkbox($crstype); 2640: } 2641: } 2642: } 2643: if ($msgoptions) { 2644: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />' 2645: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2646: .$msgoptions; 2647: } 2648: if ($discussoptions) { 2649: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />' 2650: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2651: .$discussoptions; 2652: } 2653: return $msgoptions.$discussoptions; 2654: } 2655: 2656: sub resource_output { 2657: my ($feedurl) = @_; 2658: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2659: $usersaw=~s/\<body[^\>]*\>//gi; 2660: $usersaw=~s/\<\/body\>//gi; 2661: $usersaw=~s/\<html\>//gi; 2662: $usersaw=~s/\<\/html\>//gi; 2663: $usersaw=~s/\<head\>//gi; 2664: $usersaw=~s/\<\/head\>//gi; 2665: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2666: return $usersaw; 2667: } 2668: 2669: sub clear_out_html { 2670: my ($message,$override,$ignore_htmlarea)=@_; 2671: if (!$ignore_htmlarea 2672: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2673: # Always allow the <m>-tag 2674: my %html=(M=>1); 2675: # Check if more is allowed 2676: my $cid=$env{'request.course.id'}; 2677: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2678: ($override)) { 2679: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2680: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2681: # <SUP> 2682: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2683: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2684: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2685: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2686: } 2687: # Do the substitution of everything that is not explicitly allowed 2688: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2689: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2690: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2691: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2692: return $message; 2693: } 2694: 2695: sub assemble_email { 2696: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2697: my %lt = &Apache::lonlocal::texthash( 2698: 'prev' => 'Previous attempts of student (if applicable)', 2699: 'orig' => 'Original screen output (if applicable)', 2700: 'corr' => 'Correct Answer(s) (if applicable)', 2701: ); 2702: if (&Apache::loncommon::course_type() eq 'Community') { 2703: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2704: } 2705: my $email=<<"ENDEMAIL"; 2706: $message 2707: ENDEMAIL 2708: my $citations=<<"ENDCITE"; 2709: <h2>$lt{'prev'}</h2> 2710: $prevattempts 2711: <br /><hr /> 2712: <h2>$lt{'orig'}</h2> 2713: $usersaw 2714: <h2>$lt{'corr'}</h2> 2715: $useranswer 2716: ENDCITE 2717: return ($email,$citations); 2718: } 2719: 2720: 2721: sub feedback_available { 2722: my ($question,$course,$policy)=@_; 2723: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2724: $course,$policy); 2725: return scalar(%to); 2726: } 2727: 2728: sub send_msg { 2729: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2730: my $status=''; 2731: my $sendsomething=0; 2732: my $restitle = &get_resource_title($symb,$feedurl); 2733: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2734: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2735: foreach my $key (keys(%to)) { 2736: if ($key) { 2737: my ($user,$domain) = split(/\:/,$key,2); 2738: if (!defined($user)) { 2739: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2740: } elsif (!defined($domain)) { 2741: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2742: } else { 2743: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2744: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2745: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2746: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2747: } else { 2748: $sendsomething++; 2749: } 2750: } 2751: } 2752: } 2753: 2754: 2755: my %record=&Apache::lonnet::restore('_feedback'); 2756: my ($temp)=keys(%record); 2757: unless ($temp=~/^error\:/) { 2758: my %newrecord=(); 2759: $newrecord{'resource'}=$feedurl; 2760: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2761: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2762: $status.='<br />'.&mt('Not registered').'<br />'; 2763: } 2764: } 2765: 2766: return ($status,$sendsomething); 2767: } 2768: 2769: sub adddiscuss { 2770: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2771: my $status=''; 2772: my $realsymb; 2773: if ($symb=~/^bulletin___/) { 2774: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2775: $filename=~s|^adm/wrapper/||; 2776: $realsymb=&Apache::lonnet::symbread($filename); 2777: } 2778: if (&discussion_open(undef,$realsymb) && 2779: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2780: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2781: 2782: my %contrib=('message' => $email, 2783: 'sendername' => $env{'user.name'}, 2784: 'senderdomain' => $env{'user.domain'}, 2785: 'screenname' => $env{'environment.screenname'}, 2786: 'plainname' => $env{'environment.firstname'}.' '. 2787: $env{'environment.middlename'}.' '. 2788: $env{'environment.lastname'}.' '. 2789: $env{'enrironment.generation'}, 2790: 'attachmenturl'=> $attachmenturl, 2791: 'subject' => $subject); 2792: if ($env{'form.replydisc'}) { 2793: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2794: } 2795: if ($anon) { 2796: $contrib{'anonymous'}='true'; 2797: } 2798: if (($symb) && ($email)) { 2799: my $now = time; 2800: if ($env{'form.editdisc'}) { 2801: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2802: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2803: $contrib{'timestamp'} = $now; 2804: $contrib{'history'} = ''; 2805: my $numoldver = 0; 2806: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2807: &Apache::lonenc::check_decrypt(\$oldsymb); 2808: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2809: # get timestamp for last post and history 2810: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2811: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2812: $env{'course.'.$env{'request.course.id'}.'.num'}); 2813: if (defined($oldcontrib{$oldidx.':replyto'})) { 2814: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2815: } 2816: if (defined($oldcontrib{$oldidx.':history'})) { 2817: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2818: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2819: $numoldver = @oldversions; 2820: } else { 2821: $numoldver = 1; 2822: } 2823: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2824: } 2825: my $numnewver = $numoldver + 1; 2826: if (defined($oldcontrib{$oldidx.':subject'})) { 2827: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2828: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2829: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2830: } else { 2831: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2832: } 2833: } 2834: if (defined($oldcontrib{$oldidx.':message'})) { 2835: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2836: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2837: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2838: } else { 2839: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2840: } 2841: } 2842: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2843: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2844: $oldsymb,$oldidx,\%contrib, 2845: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2846: $env{'course.'.$env{'request.course.id'}.'.num'}); 2847: $status='Editing class discussion'.($anon?' (anonymous)':''); 2848: } else { 2849: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2850: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2851: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2852: $env{'course.'.$env{'request.course.id'}.'.num'}); 2853: } 2854: my %storenewentry=($symb => $now); 2855: $status.='<br />'.&mt('Updating discussion time').': '. 2856: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2857: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2858: $env{'course.'.$env{'request.course.id'}.'.num'}); 2859: } 2860: my %record=&Apache::lonnet::restore('_discussion'); 2861: my ($temp)=keys(%record); 2862: unless ($temp=~/^error\:/) { 2863: my %newrecord=(); 2864: $newrecord{'resource'}=$symb; 2865: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2866: $status.='<br />'.&mt('Registering').': '. 2867: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2868: } 2869: } else { 2870: $status.='Failed.'; 2871: } 2872: return $status.'<br />'; 2873: } 2874: 2875: sub get_discussion_info { 2876: my ($idx,%contrib) = @_; 2877: my $changelast = 0; 2878: my $count = 0; 2879: my $hiddenflag = 0; 2880: my $deletedflag = 0; 2881: my ($hidden,$deleted,%info,$newlastdisc); 2882: my $version = $contrib{'version'}; 2883: if ($version) { 2884: for (my $id=$version; $id>0; $id--) { 2885: my $vkeys=$contrib{$id.':keys'}; 2886: my @keys=split(/:/,$vkeys); 2887: if (grep(/^hidden$/,@keys)) { 2888: if (!$hiddenflag) { 2889: $hidden = $contrib{$id.':hidden'}; 2890: $hiddenflag = 1; 2891: } 2892: } elsif (grep(/^deleted$/,@keys)) { 2893: if (!$deletedflag) { 2894: $deleted = $contrib{$id.':deleted'}; 2895: $deletedflag = 1; 2896: } 2897: } else { 2898: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2899: $count++; 2900: $info{$count}{'id'} = $id; 2901: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2902: } 2903: } 2904: } 2905: if ($info{'1'}{'id'} == $idx) { 2906: $changelast = 1; 2907: if ($count > 1) { 2908: $newlastdisc = $info{'2'}{'timestamp'}; 2909: } else { 2910: $newlastdisc = 0; 2911: } 2912: } 2913: } 2914: return ($changelast,$newlastdisc); 2915: } 2916: 2917: # ----------------------------------------------------------- Preview function 2918: 2919: sub show_preview { 2920: my ($r) = @_; 2921: &Apache::loncommon::content_type($r,'text/html'); 2922: $r->send_http_header; 2923: my $start_page= 2924: &Apache::loncommon::start_page('Preview',undef, 2925: {'only_body' => 1,}); 2926: 2927: my $message=&clear_out_html($env{'form.comment'}); 2928: &newline_to_br(\$message); 2929: $message=&Apache::lonspeller::markeduptext($message); 2930: $message=&Apache::lontexconvert::msgtexconverted($message); 2931: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2932: $subject=~s/\n/\<br \/\>/g; 2933: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2934: 2935: my $end_page = &Apache::loncommon::end_page(); 2936: 2937: $r->print($start_page 2938: .'<h1>'.&mt('Preview').'</h1>' 2939: .&Apache::lonhtmlcommon::start_pick_box() 2940: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2941: .$subject 2942: .&Apache::lonhtmlcommon::row_closure() 2943: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2944: .$message 2945: .&Apache::lonhtmlcommon::row_closure(1) 2946: .&Apache::lonhtmlcommon::end_pick_box() 2947: .$end_page 2948: ); 2949: } 2950: 2951: sub contains_block_html { 2952: my ($message)=@_; 2953: return ($message =~ m/ 2954: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 2955: [\s]* 2956: ([\w]+\=['"][\w]+['"])* 2957: [\s]* 2958: ( 2959: [\s]*[\/]>| 2960: >.*<\/\1[\s]*> 2961: )/x ); 2962: } 2963: 2964: sub newline_to_br { 2965: my ($message)=@_; 2966: my $newmessage; 2967: my $parser=HTML::LCParser->new($message); 2968: while (my $token=$parser->get_token()) { 2969: if ($token->[0] eq 'T') { 2970: my $text=$token->[1]; 2971: $text=~s/\n/\<br \/\>/g; 2972: $newmessage.=$text; 2973: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2974: $newmessage.=$token->[1]; 2975: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2976: $newmessage.=$token->[2]; 2977: } elsif ($token->[0] eq 'S') { 2978: $newmessage.=$token->[4]; 2979: } 2980: 2981: } 2982: $$message=$newmessage; 2983: } 2984: 2985: sub generate_preview_button { 2986: my ($formname,$fieldname)=@_; 2987: unless ($formname) { $formname='mailform'; } 2988: unless ($fieldname) { $fieldname='comment'; } 2989: my $pre=&mt("Show Preview and Check Spelling"); 2990: return(<<ENDPREVIEW); 2991: <br /> 2992: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2993: <input type="hidden" name="subject" /> 2994: <input type="hidden" name="comment" /> 2995: <input type="button" value="$pre" 2996: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 2997: </form> 2998: ENDPREVIEW 2999: } 3000: 3001: sub modify_attachments { 3002: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3003: $attachmaxtext,$toolarge)=@_; 3004: 3005: my %lt = &Apache::lonlocal::texthash( 3006: 'subj' => 'Subject', 3007: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3008: 'chth' => 'Check the checkboxes for any you wish to remove.', 3009: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3010: 'adda' => 'Add a new attachment to this post.', 3011: 'stch' => 'Save Changes', 3012: ); 3013: my $js = <<END; 3014: <script type="text/javascript"> 3015: function setAction () { 3016: document.modattachments.action = document.modattachments.origpage.value; 3017: document.modattachments.submit(); 3018: } 3019: </script> 3020: END 3021: 3022: # Breadcrumbs 3023: my $brcrum = [{'href' => '', 3024: 'text' => 'Discussion Post Attachments'}]; 3025: my $start_page = 3026: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3027: {'bread_crumbs' => $brcrum,}); 3028: 3029: my $orig_subject = &unescape($env{'form.subject'}); 3030: my $subject=&clear_out_html($orig_subject,undef,1); 3031: $subject=~s/\n/\<br \/\>/g; 3032: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3033: my $timestamp=$env{'form.timestamp'}; 3034: my $numoldver=$env{'form.numoldver'}; 3035: 3036: my $msg = ''; 3037: my %attachments = (); 3038: my %currattach = (); 3039: if ($idx) { 3040: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3041: } 3042: &Apache::lonenc::check_encrypt(\$symb); 3043: 3044: my $end_page = 3045: &Apache::loncommon::end_page(); 3046: 3047: $r->print(<<END); 3048: $start_page 3049: $toolarge 3050: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3051: <br /> 3052: <table class="LC_data_table"> 3053: <tr> 3054: <td colspan="2"> 3055: <b>Subject:</b> <b>$subject</b><br /><br /> 3056: END 3057: if ($idx) { 3058: if ($attachmenturls) { 3059: my @currold = keys(%currattach); 3060: if (@currold > 0) { 3061: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3062: foreach my $id (@currold) { 3063: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3064: $attachurl =~ m#/([^/]+)$#; 3065: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3066: } 3067: $r->print("<br />"); 3068: } 3069: } 3070: } 3071: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3072: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3073: foreach my $attach (@{$currnewattach}) { 3074: $attach =~ m#/([^/]+)$#; 3075: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3076: } 3077: $r->print("<br />"); 3078: } 3079: $r->print(<<END); 3080: </td></tr> 3081: <tr> 3082: <td> 3083: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3084: </td> 3085: </tr> 3086: <tr> 3087: <td colspan="2">$attachmaxtext</td> 3088: </tr> 3089: </table> 3090: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3091: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3092: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3093: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3094: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3095: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3096: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3097: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3098: END 3099: foreach my $item (@{$currnewattach}) { 3100: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3101: } 3102: foreach my $item (@{$currdelold}) { 3103: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3104: } 3105: $r->print(<<END); 3106: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3107: </form> 3108: $end_page 3109: END 3110: return; 3111: } 3112: 3113: sub process_attachments { 3114: my ($currnewattach,$currdelold,$keepold) = @_; 3115: 3116: @{$currnewattach}= 3117: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3118: @{$currdelold}= 3119: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3120: if (exists($env{'form.delnewattach'})) { 3121: my @currdelnew = 3122: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3123: my @currnew = (); 3124: foreach my $newone (@{$currnewattach}) { 3125: my $delflag = 0; 3126: foreach my $item (@currdelnew) { 3127: if ($newone eq $item) { 3128: $delflag = 1; 3129: last; 3130: } 3131: } 3132: unless ($delflag) { 3133: push(@currnew, $newone); 3134: } 3135: } 3136: @{$currnewattach} = @currnew; 3137: } 3138: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3139: } 3140: 3141: sub generate_attachments_button { 3142: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3143: $numoldver,$mode,$blockblog) = @_; 3144: my $origpage = $ENV{'REQUEST_URI'}; 3145: my $att=$attachnum.' '.&mt("attachments"); 3146: my %lt = &Apache::lonlocal::texthash( 3147: 'clic' => 'Click to add/remove attachments', 3148: ); 3149: my $response = (<<END); 3150: <br /> 3151: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3152: $lt{'clic'}: <input type="button" value="$att" 3153: 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); 3154: END 3155: if (!$blockblog) { 3156: $response .= 'setblogvalue();'; 3157: } 3158: unless ($mode eq 'board') { 3159: $response .= 'javascript:anonchk();'; 3160: } 3161: $response .= (<<ENDATTACH); 3162: this.form.submit();" /> 3163: <input type="hidden" name="origpage" value="$origpage" /> 3164: <input type="hidden" name="idx" value="$idx" /> 3165: <input type="hidden" name="timestamp" value="$now" /> 3166: <input type="hidden" name="subject" /> 3167: <input type="hidden" name="comment" /> 3168: <input type="hidden" name="blog" value="0" /> 3169: <input type="hidden" name="discuss" value="0" /> 3170: <input type="hidden" name="numoldver" value="$numoldver" /> 3171: ENDATTACH 3172: if (defined($deloldattach)) { 3173: if (@{$deloldattach} > 0) { 3174: foreach my $delatt (@{$deloldattach}) { 3175: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3176: } 3177: } 3178: } 3179: if (defined($currnewattach)) { 3180: if (@{$currnewattach} > 0) { 3181: foreach my $attach (@{$currnewattach}) { 3182: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3183: } 3184: } 3185: } 3186: $response .= '</form>'; 3187: return $response; 3188: } 3189: 3190: sub extract_attachments { 3191: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3192: %{$attachments}=(); 3193: &get_post_attachments($attachments,$attachmenturls); 3194: foreach my $id (sort(keys(%{$attachments}))) { 3195: if (exists($$attachments{$id}{$numoldver})) { 3196: if (defined($currdelold)) { 3197: if (@{$currdelold} > 0) { 3198: unless (grep/^$id$/,@{$currdelold}) { 3199: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3200: } 3201: } else { 3202: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3203: } 3204: } else { 3205: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3206: } 3207: } 3208: } 3209: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3210: if (@attached == 1) { 3211: my $id = $attached[0]; 3212: my $attachurl; 3213: if ($attachmenturls =~ m/^<attachment id="0">/) { 3214: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3215: } else { 3216: $attachurl = $$attachments{$id}{'filename'}; 3217: } 3218: $attachurl=~m|/([^/]+)$|; 3219: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3220: $1.'</tt></a><br />'; 3221: &Apache::lonnet::allowuploaded('/adm/feedback', 3222: $attachurl); 3223: } elsif (@attached > 1) { 3224: $$message.='<ol>'; 3225: foreach my $attach (@attached) { 3226: my $id = $attach; 3227: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3228: my ($fname) 3229: =($attachurl=~m|/([^/]+)$|); 3230: $$message .= '<li><a href="'.$attachurl. 3231: '"><tt>'. 3232: $fname.'</tt></a></li>'; 3233: &Apache::lonnet::allowuploaded('/adm/feedback', 3234: $attachurl); 3235: } 3236: $$message .= '</ol>'; 3237: } 3238: } 3239: 3240: sub construct_attachmenturl { 3241: my ($currnewattach,$keepold,$symb,$idx)=@_; 3242: my $oldattachmenturl; 3243: my $newattachmenturl; 3244: my $startnum = 0; 3245: my $currver = 0; 3246: if (($env{'form.editdisc'}) && ($idx)) { 3247: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3248: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3249: $env{'course.'.$env{'request.course.id'}.'.num'}); 3250: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3251: if ($contrib{$idx.':history'}) { 3252: if ($contrib{$idx.':history'} =~ /:/) { 3253: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3254: $currver = 1 + scalar(@oldversions); 3255: } else { 3256: $currver = 2; 3257: } 3258: } else { 3259: $currver = 1; 3260: } 3261: if ($oldattachmenturl) { 3262: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3263: my %attachments = (); 3264: my $prevver = $currver-1; 3265: &get_post_attachments(\%attachments,$oldattachmenturl); 3266: my $numattach = scalar(keys(%attachments)); 3267: $startnum += $numattach; 3268: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3269: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3270: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3271: unless ($item eq 'filename') { 3272: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3273: } 3274: } 3275: if (grep/^$num$/,@{$keepold}) { 3276: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3277: } 3278: $newattachmenturl .= '</attachment>'; 3279: } 3280: } else { 3281: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3282: unless (grep/^0$/,@{$keepold}) { 3283: $newattachmenturl .= '<post id="1">n</post>'; 3284: } 3285: $newattachmenturl .= '</attachment>'; 3286: $startnum ++; 3287: } 3288: } 3289: } 3290: for (my $i=0; $i<@{$currnewattach}; $i++) { 3291: my $attachnum = $startnum + $i; 3292: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3293: } 3294: return $newattachmenturl; 3295: } 3296: 3297: sub add_blog_checkbox { 3298: my ($crstype) = @_; 3299: my $checkstatus; 3300: if ($env{'form.blog'}) { 3301: $checkstatus = 'checked="checked"'; 3302: } 3303: my $output = ' 3304: <script type="text/javascript"> 3305: function setblogvalue() { 3306: if (document.mailform.blog.checked) { 3307: document.attachment.blog.value = 1; 3308: } else { 3309: document.attachment.blog.value = 0; 3310: } 3311: } 3312: </script><br /> 3313: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3314: if ($crstype eq 'Community') { 3315: $output .= &mt('Add to my public community blog'); 3316: } else { 3317: $output .= &mt('Add to my public course blog'); 3318: } 3319: $output .= '</label><br />'."\n"; 3320: return $output; 3321: } 3322: 3323: sub has_discussion { 3324: my $resourcesref = shift; 3325: my $navmap = Apache::lonnavmaps::navmap->new(); 3326: if (defined($navmap)) { 3327: my @allres=$navmap->retrieveResources(); 3328: foreach my $resource (@allres) { 3329: if ($resource->hasDiscussion()) { 3330: my $ressymb = $resource->wrap_symb(); 3331: if (ref($resourcesref) eq 'ARRAY') { 3332: push(@{$resourcesref}, $ressymb); 3333: } 3334: } 3335: } 3336: } else { 3337: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3338: } 3339: return; 3340: } 3341: 3342: sub sort_filter_names { 3343: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3344: if (ref($sort_types) eq 'HASH') { 3345: %{$sort_types} = ( 3346: ascdate => 'Date order - oldest first', 3347: descdate => 'Date order - newest first', 3348: thread => 'Threaded', 3349: subject => 'By subject', 3350: username => 'By domain and username', 3351: lastfirst => 'By last name, first name' 3352: ); 3353: } 3354: my @courseroles = qw(st in ta ep ad); 3355: if ($crstype eq 'Community') { 3356: push(@courseroles,'co'); 3357: } else { 3358: push(@courseroles,'cc'); 3359: } 3360: if (ref($role_types) eq 'HASH') { 3361: foreach my $role (@courseroles) { 3362: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3363: } 3364: $role_types->{'all'} = 'All roles'; 3365: $role_types->{'cr'} = 'Custom role'; 3366: } 3367: if (ref($status_types) eq 'HASH') { 3368: %{$status_types} = ( 3369: all => 'Roles of any status', 3370: Active => 'Only active roles', 3371: Expired => 'Only past roles', 3372: Future => 'Only future roles', 3373: ); 3374: } 3375: } 3376: 3377: sub handler { 3378: my $r = shift; 3379: if ($r->header_only) { 3380: &Apache::loncommon::content_type($r,'text/html'); 3381: $r->send_http_header; 3382: return OK; 3383: } 3384: 3385: # --------------------------- Get query string for limited number of parameters 3386: 3387: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3388: ['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']); 3389: my $group = $env{'form.group'}; 3390: my %attachmax = ( 3391: text => &mt('(128 KB max size)'), 3392: num => 131072, 3393: ); 3394: if ($env{'form.editdisc'}) { 3395: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3396: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3397: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3398: my $feedurl=&Apache::lonnet::clutter($url); 3399: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3400: undef,undef,undef,$group); 3401: return OK; 3402: } 3403: } 3404: if ($env{'form.discsymb'}) { 3405: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3406: my $readkey = $symb.'_read'; 3407: my $chgcount = 0; 3408: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3409: foreach my $key (keys(%env)) { 3410: if ($key =~ m/^form\.postunread_(\d+)/) { 3411: if ($readinghash{$readkey} =~ /\.$1\./) { 3412: $readinghash{$readkey} =~ s/\.$1\.//; 3413: $chgcount ++; 3414: } 3415: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3416: unless ($readinghash{$readkey} =~ /\.$1\./) { 3417: $readinghash{$readkey} .= '.'.$1.'.'; 3418: $chgcount ++; 3419: } 3420: } 3421: } 3422: if ($chgcount > 0) { 3423: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3424: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3425: } 3426: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3427: '0','0','','',$env{'form.previous'},'','','', 3428: undef,undef,undef,$group); 3429: return OK; 3430: } 3431: if ($env{'form.allversions'}) { 3432: &Apache::loncommon::content_type($r,'text/html'); 3433: &Apache::loncommon::no_cache($r); 3434: $r->send_http_header; 3435: 3436: # Breadcrumbs 3437: my $brcrum = [{'href' => '', 3438: 'text' => 'Discussion Post Versions'}]; 3439: 3440: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3441: {'bread_crumbs' => $brcrum,}) 3442: ); 3443: 3444: my $crs='/'.$env{'request.course.id'}; 3445: if ($env{'request.course.sec'}) { 3446: $crs.='_'.$env{'request.course.sec'}; 3447: } 3448: $crs=~s|_|/|g; 3449: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3450: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3451: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3452: ($symb)=&get_feedurl_and_clean_symb($symb); 3453: my $ressymb = &wrap_symb($symb); 3454: my $group = $env{'form.group'}; 3455: my $seeid; 3456: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3457: if (&check_group_priv($group,'dgp') eq 'ok') { 3458: $seeid = 1; 3459: } 3460: } else { 3461: $seeid = &Apache::lonnet::allowed('rin',$crs); 3462: } 3463: if ($idx > 0) { 3464: my %messages = (); 3465: my %subjects = (); 3466: my %attachmsgs = (); 3467: my %allattachments = (); 3468: my %imsfiles = (); 3469: my ($screenname,$plainname); 3470: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3471: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3472: $env{'course.'.$env{'request.course.id'}.'.num'}); 3473: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3474: } 3475: $r->print(&Apache::loncommon::end_page()); 3476: return OK; 3477: } 3478: if ($env{'form.posterlist'}) { 3479: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3480: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3481: $env{'form.sortposts'}); 3482: return OK; 3483: } 3484: if ($env{'form.userpick'}) { 3485: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3486: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3487: my $numpicks = @posters; 3488: my %discinfo; 3489: $discinfo{$symb.'_userpick'} = join('&',@posters); 3490: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3491: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3492: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3493: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3494: '',$numpicks,$group); 3495: return OK; 3496: } 3497: if ($env{'form.applysort'}) { 3498: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3499: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3500: '',$env{'form.previous'},$env{'form.sortposts'}, 3501: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3502: $env{'form.sectionpick'},$env{'form.grouppick'}, 3503: undef,$group); 3504: return OK; 3505: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3506: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3507: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3508: return OK; 3509: } elsif ($env{'form.navtime'}) { 3510: my %discinfo = (); 3511: my @resources = (); 3512: if (defined($env{'form.navmaps'})) { 3513: if ($env{'form.navmaps'} =~ /:/) { 3514: @resources = split(/:/,$env{'form.navmaps'}); 3515: } else { 3516: @resources = ("$env{'form.navmaps'}"); 3517: } 3518: } else { 3519: &has_discussion(\@resources); 3520: } 3521: my $numitems = @resources; 3522: my $feedurl = '/adm/navmaps'; 3523: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3524: my %lt = &Apache::lonlocal::texthash( 3525: 'mnpa' => 'Marked "New" posts as read in a total of', 3526: 'robb' => 'resources/bulletin boards.', 3527: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3528: ); 3529: foreach my $res (@resources) { 3530: my $ressymb=$res; 3531: &Apache::lonenc::check_decrypt(\$ressymb); 3532: my $lastkey = $ressymb.'_lastread'; 3533: $discinfo{$lastkey} = $env{'form.navtime'}; 3534: } 3535: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3536: if ($numitems > 0) { 3537: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3538: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3539: } else { 3540: $textline = "<b>$lt{'twnp'}</b>"; 3541: } 3542: &Apache::loncommon::content_type($r,'text/html'); 3543: $r->send_http_header; 3544: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3545: my %onload; 3546: if ($env{'environment.remote'} ne 'off') { 3547: $onload{'onload'} = 3548: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3549: } 3550: 3551: my $start_page= 3552: &Apache::loncommon::start_page('New posts marked as read',undef, 3553: {'redirect' => [2,$feedurl], 3554: 'only_body' => 1, 3555: 'add_entries' => \%onload}); 3556: my $end_page = &Apache::loncommon::end_page(); 3557: $r->print (<<ENDREDIR); 3558: $start_page 3559: <img align="right" src="$logo" /> 3560: $textline 3561: <form name="reldt" action="$feedurl" target="loncapaclient"> 3562: </form> 3563: <br /> 3564: $end_page 3565: ENDREDIR 3566: return OK; 3567: } elsif ($env{'form.modifydisp'}) { 3568: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3569: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3570: split(/_/,$env{'form.changes'}); 3571: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3572: $dispchgB,$markchg,$toggchg,$feedurl); 3573: return OK; 3574: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3575: $env{'form.allposts'} || $env{'form.onlyunread'} || 3576: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3577: $env{'form.toggon'} || $env{'form.markread'}) { 3578: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3579: my %discinfo; 3580: # ------------------------ Modify setting for read/unread toggle for each post 3581: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3582: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3583: # --------- Modify setting for identification of 'NEW' posts in this discussion 3584: if ($env{'form.markondisp'}) { 3585: $discinfo{$symb.'_lastread'} = time; 3586: $discinfo{$symb.'_markondisp'} = 1; 3587: } 3588: if ($env{'form.markonread'}) { 3589: if ( $env{'form.previous'} > 0 ) { 3590: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3591: } 3592: $discinfo{$symb.'_markondisp'} = 0; 3593: } 3594: # --------------------------------- Modify display setting for this discussion 3595: if ($env{'form.allposts'}) { 3596: $discinfo{$symb.'_showonlyunread'} = 0; 3597: $discinfo{$symb.'_showonlyunmark'} = 0; 3598: } 3599: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3600: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3601: # ----------------------------------------------------- Mark new posts not NEW 3602: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3603: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3604: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3605: my $previous=$env{'form.previous'}; 3606: if ($env{'form.markondisp'}) { $previous=undef; } 3607: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3608: '0','0','','',$previous,'','','','','','',$group); 3609: return OK; 3610: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3611: # ----------------------------------------------------------------- Hide/unhide 3612: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3613: my ($symb,$idx)=split(/\:\:\:/,$entry); 3614: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3615: 3616: my $crs='/'.$env{'request.course.id'}; 3617: if ($env{'request.course.sec'}) { 3618: $crs.='_'.$env{'request.course.sec'}; 3619: } 3620: $crs=~s/\_/\//g; 3621: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3622: 3623: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3624: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3625: undef,undef,$group,); 3626: return OK; 3627: } 3628: 3629: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3630: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3631: $env{'course.'.$env{'request.course.id'}.'.num'}); 3632: 3633: my $currenthidden=$contrib{'hidden'}; 3634: my $currentstudenthidden=$contrib{'studenthidden'}; 3635: 3636: if ($env{'form.hide'}) { 3637: $currenthidden.='.'.$idx.'.'; 3638: unless ($seeid) { 3639: $currentstudenthidden.='.'.$idx.'.'; 3640: } 3641: } else { 3642: $currenthidden=~s/\.$idx\.//g; 3643: } 3644: my %newhash=('hidden' => $currenthidden); 3645: if ( ($env{'form.hide'}) && (!$seeid) ) { 3646: $newhash{'studenthidden'} = $currentstudenthidden; 3647: } 3648: if ($env{'form.hide'}) { 3649: my $changelast = 0; 3650: my $newlast; 3651: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3652: if ($changelast) { 3653: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3654: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3655: $env{'course.'.$env{'request.course.id'}.'.num'}); 3656: } 3657: } 3658: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3659: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3660: $env{'course.'.$env{'request.course.id'}.'.num'}); 3661: 3662: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3663: '0','0','','',$env{'form.previous'},undef,undef,undef, 3664: undef,undef,undef,$group); 3665: return OK; 3666: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3667: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3668: if ($env{'form.cmd'} eq 'threadedon') { 3669: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3670: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3671: } else { 3672: &Apache::lonnet::del('environment',['threadeddiscussion']); 3673: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3674: } 3675: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3676: '0','0','','',$env{'form.previous'},undef,undef,undef, 3677: undef,undef,undef,$group); 3678: return OK; 3679: } elsif ($env{'form.deldisc'}) { 3680: # --------------------------------------------------------------- Hide for good 3681: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3682: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3683: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3684: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3685: $env{'course.'.$env{'request.course.id'}.'.num'}); 3686: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3687: if ($changelast) { 3688: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3689: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3690: } 3691: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3692: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3693: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3694: $env{'course.'.$env{'request.course.id'}.'.num'}); 3695: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3696: '0','0','','',$env{'form.previous'},undef,undef,undef, 3697: undef,undef,undef,$group); 3698: return OK; 3699: } elsif ($env{'form.preview'}) { 3700: # -------------------------------------------------------- User wants a preview 3701: &show_preview($r); 3702: return OK; 3703: } elsif ($env{'form.attach'}) { 3704: # -------------------------------------------------------- Work on attachments 3705: &Apache::loncommon::content_type($r,'text/html'); 3706: $r->send_http_header; 3707: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3708: my (@currnewattach,@currdelold,@keepold,$toolarge); 3709: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3710: if (exists($env{'form.addnewattach.filename'})) { 3711: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3712: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3713: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3714: push(@currnewattach, $newattachment); 3715: } else { 3716: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3717: } 3718: } 3719: my $attachmenturls; 3720: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3721: my $idx = $env{'form.idx'}; 3722: if ($idx) { 3723: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3724: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3725: $env{'course.'.$env{'request.course.id'}.'.num'}); 3726: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3727: } 3728: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3729: $attachmenturls,$attachmax{'text'},$toolarge); 3730: return OK; 3731: } elsif ($env{'form.export'}) { 3732: &Apache::loncommon::content_type($r,'text/html'); 3733: $r->send_http_header; 3734: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3735: my $mode='board'; 3736: my $status='OPEN'; 3737: my $previous=$env{'form.previous'}; 3738: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3739: $mode='problem'; 3740: $status=$Apache::inputtags::status[-1]; 3741: } 3742: my $discussion = &list_discussion($mode,$status,$symb); 3743: my $start_page = 3744: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3745: my $end_page = 3746: &Apache::loncommon::end_page(); 3747: $r->print($start_page.$discussion.$end_page); 3748: return OK; 3749: } else { 3750: # ------------------------------------------------------------- Normal feedback 3751: my $feedurl=$env{'form.postdata'}; 3752: $feedurl=~s/^https?\:\/\///; 3753: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3754: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3755: $feedurl=~s/\?.+$//; 3756: 3757: my $symb; 3758: if ($env{'form.replydisc'}) { 3759: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3760: } elsif ($env{'form.editdisc'}) { 3761: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3762: } elsif ($env{'form.origpage'}) { 3763: $symb=""; 3764: } else { 3765: $symb=&Apache::lonnet::symbread($feedurl); 3766: } 3767: unless ($symb) { 3768: $symb=$env{'form.symb'}; 3769: } 3770: if (defined($symb)) { 3771: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3772: } else { 3773: # backward compatibility (bulletin boards used to be 'wrapped') 3774: &Apache::lonenc::check_decrypt(\$feedurl); 3775: &dewrapper(\$feedurl); 3776: } 3777: my $goahead=1; 3778: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3779: unless ($symb) { $goahead=0; } 3780: } 3781: if (!$goahead) { 3782: # Ambiguous Problem Resource 3783: $r->internal_redirect('/adm/ambiguous'); 3784: return OK; 3785: } 3786: # Go ahead with feedback, no ambiguous reference 3787: unless ( 3788: ( 3789: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3790: ) 3791: || 3792: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3793: || 3794: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3795: ) { 3796: &Apache::loncommon::content_type($r,'text/html'); 3797: $r->send_http_header; 3798: # Unable to give feedback 3799: &Apache::lonenc::check_encrypt(\$feedurl); 3800: &no_redirect_back($r,$feedurl); 3801: return OK; 3802: } 3803: # --------------------------------------------------- Print login screen header 3804: unless ($env{'form.sendit'}) { 3805: &Apache::lonenc::check_encrypt(\$feedurl); 3806: &Apache::loncommon::content_type($r,'text/html'); 3807: $r->send_http_header; 3808: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3809: my ($blocked,$blocktext) = 3810: &Apache::loncommon::blocking_status('boards'); 3811: if ($blocked) { 3812: $r->print(&blocked_reply_or_edit($blocktext)); 3813: return OK; 3814: } 3815: } 3816: my $options=&screen_header($feedurl,$symb); 3817: if ($options) { 3818: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3819: } else { 3820: &fail_redirect($r,$feedurl); 3821: } 3822: return OK; 3823: } 3824: 3825: # Get previous user input 3826: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3827: $symb,$env{'user.name'},$env{'user.domain'}, 3828: $env{'request.course.id'}); 3829: 3830: # Get output from resource 3831: &Apache::lonenc::check_encrypt(\$feedurl); 3832: my $usersaw=&resource_output($feedurl); 3833: 3834: # Get resource answer (need to allow student to view grades for this to work) 3835: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3836: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3837: my $useranswer= 3838: &Apache::loncommon::get_student_answers( 3839: $usersymb,$env{'user.name'},$env{'user.domain'}, 3840: $env{'request.course.id'}); 3841: &Apache::lonnet::delenv('allowed.vgr'); 3842: # Get attachments, if any, and not too large 3843: my $attachmenturl=''; 3844: my $toolarge=''; 3845: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3846: ($env{'form.replydisc'})) { 3847: my ($symb,$idx); 3848: if ($env{'form.replydisc'}) { 3849: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3850: } elsif ($env{'form.editdisc'}) { 3851: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3852: } elsif ($env{'form.origpage'}) { 3853: $symb = $env{'form.symb'}; 3854: } 3855: &Apache::lonenc::check_decrypt(\$symb); 3856: my @currnewattach = (); 3857: my @deloldattach = (); 3858: my @keepold = (); 3859: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3860: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3861: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3862: } elsif ($env{'form.attachment.filename'}) { 3863: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3864: my $now = time; 3865: my $subdir = 'feedback/'.$now; 3866: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3867: } else { 3868: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3869: } 3870: } 3871: # Filter HTML out of message (could be nasty) 3872: my $message=&clear_out_html($env{'form.comment'}); 3873: 3874: # Assemble email 3875: my ($email,$citations)=&assemble_email($message,$prevattempts, 3876: $usersaw,$useranswer); 3877: 3878: # Who gets this? 3879: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3880: 3881: # Actually send mail 3882: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3883: undef,1), 3884: $feedurl,$email,$citations, 3885: $attachmenturl,$usersymb,%to); 3886: 3887: # Discussion? Store that. 3888: my $numpost=0; 3889: if ( ($env{'form.discuss'} ne '' 3890: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3891: || $env{'form.anondiscuss'} ne '') { 3892: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3893: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3894: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3895: $subject); 3896: $numpost++; 3897: } 3898: 3899: # Add to blog? 3900: 3901: my $blog=''; 3902: if ($env{'form.blog'}) { 3903: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3904: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3905: $env{'user.domain'}, 3906: 'CourseBlog_'.$env{'request.course.id'}, 3907: $subject,$message,$feedurl,'public'); 3908: if (&Apache::loncommon::course_type() eq 'Community') { 3909: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3910: } else { 3911: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3912: } 3913: } 3914: 3915: # Receipt screen and redirect back to where came from 3916: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3917: } 3918: return OK; 3919: } 3920: 3921: sub blocked_reply_or_edit { 3922: my ($blocktext) = @_; 3923: return 3924: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3925: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3926: &mt('Back to previous page'). 3927: &Apache::loncommon::end_page(); 3928: } 3929: 3930: sub wrap_symb { 3931: my ($ressymb)=@_; 3932: if ($ressymb =~ /bulletin___\d+___/) { 3933: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3934: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3935: } 3936: } 3937: return $ressymb; 3938: } 3939: sub dewrapper { 3940: my ($feedurl)=@_; 3941: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3942: $$feedurl=~s|^/adm/wrapper||; 3943: } 3944: } 3945: 3946: sub get_feedurl { 3947: my ($symb)=@_; 3948: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3949: my $feedurl = &Apache::lonnet::clutter($url); 3950: &dewrapper(\$feedurl); 3951: return $feedurl; 3952: } 3953: 3954: sub get_feedurl_and_clean_symb { 3955: my ($symb)=@_; 3956: &Apache::lonenc::check_decrypt(\$symb); 3957: # backward compatibility (bulletin boards used to be 'wrapped') 3958: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3959: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3960: } 3961: my $feedurl = &get_feedurl($symb); 3962: return ($symb,$feedurl); 3963: } 3964: 3965: sub editing_allowed { 3966: my ($postid,$group) = @_; 3967: $postid = &unescape($postid); 3968: my $can_edit = 0; 3969: if ($group ne '') { 3970: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3971: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3972: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3973: if (&check_group_priv($group,'egp') eq 'ok') { 3974: $can_edit = 1; 3975: } 3976: return $can_edit; 3977: } 3978: } 3979: my $cid = $env{'request.course.id'}; 3980: my $role = (split(/\./,$env{'request.role'}))[0]; 3981: my $section = $env{'request.course.sec'}; 3982: my $allow_editing_config = 3983: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 3984: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 3985: $can_edit = 1; 3986: } else { 3987: foreach my $editor (split(/,/,$allow_editing_config)) { 3988: my ($editor_role,$editor_sec) = split(/:/,$editor); 3989: if ($editor_role eq $role 3990: && defined($editor_sec) 3991: && defined($section) 3992: && $editor_sec eq $section) { 3993: $can_edit = 1; 3994: last; 3995: } 3996: if ($editor_role eq $role 3997: && !defined($editor_sec)) { 3998: $can_edit = 1; 3999: } 4000: } 4001: } 4002: return $can_edit; 4003: } 4004: 4005: sub check_group_priv { 4006: my ($group,$grp_priv) = @_; 4007: foreach my $priv ('mdg','vcg') { 4008: my $checkcourse = $env{'request.course.id'}. 4009: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4010: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4011: return 'ok'; 4012: } 4013: } 4014: if ($grp_priv && $group ne '') { 4015: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4016: return 'ok'; 4017: } 4018: } 4019: return ''; 4020: } 4021: 4022: sub group_args { 4023: my ($group) = @_; 4024: if ($group eq '') { return ''; } 4025: my $extra_args = '&group='.$group; 4026: if (exists($env{'form.ref'})) { 4027: $extra_args .= '&ref='.$env{'form.ref'}; 4028: } 4029: return $extra_args; 4030: } 4031: 4032: sub get_resource_title { 4033: my ($symb,$feedurl) = @_; 4034: my ($restitle,$plainurl); 4035: if (defined($symb)) { 4036: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4037: $restitle = &Apache::lonnet::gettitle($plain_symb); 4038: } 4039: if (defined($feedurl)) { 4040: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4041: } 4042: if (!defined($restitle)) { 4043: if (defined($feedurl)) { 4044: $restitle = &Apache::lonnet::gettitle($plainurl); 4045: } 4046: } 4047: if ($plainurl ne $feedurl) { 4048: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4049: if ($plain_filename eq $restitle) { 4050: $restitle = &mt('Untitled resource'); 4051: } 4052: } 4053: if ($restitle eq '') { 4054: $restitle = &mt('Untitled resource'); 4055: } 4056: return $restitle; 4057: } 4058: 4059: 1; 4060: __END__ 4061: 4062: 4063: =pod 4064: 4065: =head1 NAME 4066: 4067: Apache::lonfeedback.pm 4068: 4069: =head1 SYNOPSIS 4070: 4071: Handles feedback from students to instructors and system administrators. 4072: 4073: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4074: 4075: Used by lonmsg.pm. 4076: 4077: This is part of the LearningOnline Network with CAPA project 4078: described at http://www.lon-capa.org. 4079: 4080: =head1 OVERVIEW 4081: 4082: None 4083: 4084: =head1 SUBROUTINES 4085: 4086: =over 4087: 4088: =item discussion_open() 4089: 4090: =item discussion_visible() 4091: 4092: =item list_discussion() 4093: 4094: =item send_feedback_link() 4095: 4096: =item send_message_link() 4097: 4098: =item action_links_bar() 4099: 4100: =item postingform_display() 4101: 4102: =item build_posting_display 4103: 4104: =item filter_regexp() 4105: 4106: =item get_post_contents() 4107: 4108: =item replicate_attachments() 4109: 4110: =item mail_screen() 4111: 4112: =item print_display_options() 4113: 4114: =item print_sortfilter_options() 4115: 4116: =item print_showposters() 4117: 4118: =item get_post_versions() 4119: 4120: =item get_post_attachments() 4121: 4122: =item fail_redirect() 4123: 4124: =item redirect_back() 4125: 4126: =item no_redirect_back() 4127: 4128: =item screen_header() 4129: 4130: =item resource_output() 4131: 4132: =item clear_out_html() 4133: 4134: =item assemble_email() 4135: 4136: =item feedback_available() 4137: 4138: =item send_msg() 4139: 4140: =item adddiscuss() 4141: 4142: =item get_discussion_info() 4143: 4144: =item show_preview() 4145: 4146: =item newline_to_br() 4147: 4148: =item generate_preview_button() 4149: 4150: =item modify_attachments() 4151: 4152: =item process_attachments() 4153: 4154: =item generate_attachments_button() 4155: 4156: =item extract_attachments() 4157: 4158: =item construct_attachmenturl() 4159: 4160: =item add_blog_checkbox() 4161: 4162: =item has_discussion() 4163: 4164: =item sort_filter_names() 4165: 4166: =item handler() 4167: 4168: =item blocked_reply_or_edit() 4169: 4170: =item wrap_symb() 4171: 4172: =item dewrapper() 4173: 4174: =item get_feedurl() 4175: 4176: =item get_feedurl_and_clean_symb() 4177: 4178: =item editing_allowed() 4179: 4180: =item check_group_priv() 4181: 4182: =item group_args() 4183: 4184: =item get_resource_title() 4185: 4186: =back 4187: 4188: =cut