loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.269: download - view: text, annotated - select for diffs
Sat Apr 4 21:47:40 2009 UTC (15 years, 2 months ago) by bisitz
Branches: MAIN
CVS tags: HEAD

XHTML conform tags (input, br, hr)

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.269 2009/04/04 21:47:40 bisitz 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 />'.&send_message_link($ressymb); 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: &Apache::lonenc::check_encrypt(\$ressymb); 107: if ($mode ne 'board') { 108: $blocktext.='<br />'.&send_message_link($ressymb); 109: } 110: return $blocktext; 111: } 112: 113: my @bgcols = ("#cccccc","#eeeeee"); 114: my $discussiononly=0; 115: if ($mode eq 'board') { $discussiononly=1; } 116: unless ($env{'request.course.id'}) { return ''; } 117: my $crs='/'.$env{'request.course.id'}; 118: my $cid=$env{'request.course.id'}; 119: if ($env{'request.course.sec'}) { 120: $crs.='_'.$env{'request.course.sec'}; 121: } 122: $crs=~s/\_/\//g; 123: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 124: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 125: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 126: 127: my %usernamesort = (); 128: my %namesort =(); 129: my %subjectsort = (); 130: 131: # Get discussion display settings for this discussion 132: my $lastkey = $ressymb.'_lastread'; 133: my $showkey = $ressymb.'_showonlyunread'; 134: my $markkey = $ressymb.'_showonlyunmark', 135: my $visitkey = $ressymb.'_visit'; 136: my $ondispkey = $ressymb.'_markondisp'; 137: my $userpickkey = $ressymb.'_userpick'; 138: my $toggkey = $ressymb.'_readtoggle'; 139: my $readkey = $ressymb.'_read'; 140: $ressymb=$encsymb; 141: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 142: my %discinfo = (); 143: my $showonlyunread = 0; 144: my $showunmark = 0; 145: my $markondisp = 0; 146: my $prevread = 0; 147: my $previous = 0; 148: my $visit = 0; 149: my $newpostsflag = 0; 150: my @posters = split(/\&/,$dischash{$userpickkey}); 151: 152: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 153: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 154: my $sortposts = $env{'form.sortposts'}; 155: my $statusfilter = $env{'form.statusfilter'}; 156: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 157: my @grouppick = split(/,/,$env{'form.grouppick'}); 158: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 159: 160: my $totposters = $env{'form.totposters'}; 161: $previous = $env{'form.previous'}; 162: if ($previous > 0) { 163: $prevread = $previous; 164: } elsif (defined($dischash{$lastkey})) { 165: unless ($dischash{$lastkey} eq '') { 166: $prevread = $dischash{$lastkey}; 167: } 168: } 169: 170: my $cdom = $env{'course.'.$cid.'.domain'}; 171: my $cnum = $env{'course.'.$cid.'.num'}; 172: 173: # Get information about students and non-students in course for filtering display of posts 174: my %roleshash = (); 175: my %roleinfo = (); 176: my ($classgroups,$studentgroups); 177: if ($env{'form.rolefilter'}) { 178: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 179: foreach my $rolekey (keys(%roleshash)) { 180: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 181: if ($role =~ /^cr/) { 182: $role = 'cr'; 183: } 184: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 185: my $now = time; 186: my $status = 'Active'; 187: if (($now < $start) || ($end > 0 && $now > $end)) { 188: $status = 'Expired'; 189: } 190: if ($uname && $udom) { 191: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 192: } 193: } 194: my ($classlist,$keylist) = 195: &Apache::loncoursedata::get_classlist($cdom,$cnum); 196: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 197: my $status_index = &Apache::loncoursedata::CL_STATUS(); 198: while (my ($student,$data) = each %$classlist) { 199: my ($section,$status) = ($data->[$sec_index], 200: $data->[$status_index]); 201: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 202: } 203: ($classgroups,$studentgroups) = 204: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 205: $cdom,$cnum); 206: } 207: 208: # Get discussion display default settings for user 209: if ($env{'environment.discdisplay'} eq 'unread') { 210: $showonlyunread = 1; 211: } 212: if ($env{'environment.discmarkread'} eq 'ondisp') { 213: $markondisp = 1; 214: } 215: 216: # Override user's default if user specified display setting for this discussion 217: if (defined($dischash{$ondispkey})) { 218: unless ($dischash{$ondispkey} eq '') { 219: $markondisp = $dischash{$ondispkey}; 220: } 221: } 222: if ($markondisp) { 223: $discinfo{$lastkey} = time; 224: } 225: 226: if (defined($dischash{$showkey})) { 227: unless ($dischash{$showkey} eq '') { 228: $showonlyunread = $dischash{$showkey}; 229: } 230: } 231: 232: if (defined($dischash{$markkey})) { 233: unless ($dischash{$markkey} eq '') { 234: $showunmark = $dischash{$markkey}; 235: } 236: } 237: 238: if (defined($dischash{$visitkey})) { 239: unless ($dischash{$visitkey} eq '') { 240: $visit = $dischash{$visitkey}; 241: } 242: } 243: $visit ++; 244: 245: my $seeid; 246: if (($group ne '') && ($mode eq 'board') && 247: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 248: if (&check_group_priv($group,'dgp') eq 'ok') { 249: $seeid = 1; 250: } 251: } else { 252: $seeid=&Apache::lonnet::allowed('rin',$crs); 253: } 254: my @discussionitems=(); 255: my %shown = (); 256: my @posteridentity=(); 257: 258: my $current=0; 259: my $visible=0; 260: my @depth=(); 261: my @replies = (); 262: my %alldiscussion=(); 263: my %imsitems=(); 264: my %imsfiles=(); 265: my %notshown = (); 266: my %newitem = (); 267: my $maxdepth=0; 268: my %anonhash=(); 269: my $anoncnt=0; 270: my $target=''; 271: unless ($env{'browser.interface'} eq 'textual' || 272: $env{'environment.remote'} eq 'off' ) { 273: $target='target="LONcom"'; 274: } 275: 276: my $now = time; 277: $discinfo{$visitkey} = $visit; 278: 279: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 280: &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); 281: 282: my $discussion=''; 283: my $manifestfile; 284: my $manifestok=0; 285: my $tempexport; 286: my $imsresources; 287: my $copyresult; 288: 289: my $function = &Apache::loncommon::get_users_function(); 290: my $color = &Apache::loncommon::designparm($function.'.tabbg', 291: $env{'user.domain'}); 292: my %lt = &Apache::lonlocal::texthash( 293: 'cuse' => 'Current discussion settings', 294: 'allposts' => 'All posts', 295: 'unread' => 'New posts only', 296: 'unmark' => 'Unread only', 297: 'ondisp' => 'Once displayed', 298: 'onmark' => 'Once marked not NEW', 299: 'toggoff' => 'Off', 300: 'toggon' => 'On', 301: 'disa' => 'Posts to be displayed', 302: 'npce' => 'Posts cease to be marked "NEW"', 303: 'epcb' => 'Each post can be toggled read/unread', 304: 'chgt' => 'Change', 305: 'disp' => 'Display', 306: 'nolo' => 'Not new', 307: 'togg' => 'Toggle read/unread', 308: 'aner' => 'An error occurred opening the manifest file.', 309: 'difo' => 'Discussion for', 310: 'aerr' => 'An error occurred opening the export file for posting', 311: 'aysu' => 'Are you sure you want to delete this post?', 312: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 313: 'bwco' => 'but will continue to be visible to your instructor', 314: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 315: ); 316: 317: my $currdisp = $lt{'allposts'}; 318: my $currmark = $lt{'onmark'}; 319: my $currtogg = $lt{'toggoff'}; 320: my $dispchange = $lt{'unread'}; 321: my $markchange = $lt{'ondisp'}; 322: my $toggchange = $lt{'toggon'}; 323: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 324: my $displinkA = 'onlyunread'; 325: my $displinkB = 'onlyunmark'; 326: my $marklink = 'markondisp'; 327: my $togglink = 'toggon'; 328: 329: if ($markondisp) { 330: $currmark = $lt{'ondisp'}; 331: $markchange = $lt{'onmark'}; 332: $marklink = 'markonread'; 333: } 334: 335: if ($showonlyunread) { 336: $currdisp = $lt{'unread'}; 337: $dispchange = $lt{'allposts'}; 338: $displinkA = 'allposts'; 339: } 340: 341: if ($showunmark) { 342: $currdisp = $lt{'unmark'}; 343: $dispchange = $lt{'unmark'}; 344: $displinkA='allposts'; 345: $displinkB='onlyunread'; 346: $showonlyunread = 0; 347: } 348: 349: if ($dischash{$toggkey}) { 350: $currtogg = $lt{'toggon'}; 351: $toggchange = $lt{'toggoff'}; 352: $togglink = 'toggoff'; 353: } 354: 355: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 356: 357: if ($newpostsflag) { 358: $chglink .= '&previous='.$prevread; 359: } 360: $chglink.=&group_args($group); 361: 362: if ($visible) { 363: # Print the discusssion 364: if ($outputtarget eq 'tex') { 365: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 366: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 367: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 368: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 369: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 370: } elsif ($outputtarget eq 'export') { 371: # Create temporary directory if this is an export 372: my $now = time; 373: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 374: $tempexport = $$imsextras{'tempexport'}; 375: if (!-e $tempexport) { 376: mkdir($tempexport,0700); 377: } 378: $tempexport .= '/'.$$imsextras{'count'}; 379: if (!-e $tempexport) { 380: mkdir($tempexport,0700); 381: } 382: } else { 383: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 384: if (!-e $tempexport) { 385: mkdir($tempexport,0700); 386: } 387: $tempexport .= '/'.$now; 388: if (!-e $tempexport) { 389: mkdir($tempexport,0700); 390: } 391: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 392: } 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: # open manifest file 397: my $manifest = '/imsmanifest.xml'; 398: my $manifestfilename = $tempexport.$manifest; 399: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 400: $manifestok=1; 401: print $manifestfile qq| 402: <?xml version="1.0" encoding="UTF-8"?> 403: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 404: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 405: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 406: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 407: <organizations default="$ressymb"> 408: <organization identifier="$ressymb"> 409: <title>$lt{'difo'} $ressymb</title>\n|; 410: } else { 411: $discussion .= $lt{'aner'}.'<br />'; 412: } 413: } else { 414: my $colspan=$maxdepth+1; 415: $discussion.= qq| 416: <script> 417: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 418: var symbparm = symb+':::'+idx 419: var prevparm = "" 420: if (newflag == 1) { 421: prevparm = "&previous="+previous 422: } 423: if (caller == 'studentdelete') { 424: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 425: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 426: } 427: } else { 428: if (caller == 'seeiddelete') { 429: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 430: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 431: } 432: } 433: } 434: } 435: </script> 436: |; 437: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">'; 438: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 439: $newpostsflag,$group, 440: $prevread,$markondisp); 441: my $escsymb=&escape($ressymb); 442: my $numhidden = keys(%notshown); 443: if ($numhidden > 0) { 444: my $colspan = $maxdepth+1; 445: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 446: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 447: if ($newpostsflag) { 448: $discussion .= '&previous='.$prevread; 449: } 450: $discussion .= &group_args($group); 451: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 452: $numhidden.' '; 453: if ($showunmark) { 454: $discussion .= &mt('posts previously marked read'); 455: } else { 456: $discussion .= &mt('previously viewed posts'); 457: } 458: $discussion .= '<br/></td></tr>'; 459: } 460: } 461: 462: # Choose sort mechanism 463: my @showposts = (); 464: if ($sortposts eq 'descdate') { 465: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 466: } elsif ($sortposts eq 'thread') { 467: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 468: } elsif ($sortposts eq 'subject') { 469: foreach my $key (sort(keys(%subjectsort))) { 470: push(@showposts, @{$subjectsort{$key}}); 471: } 472: } elsif ($sortposts eq 'username') { 473: foreach my $domain (sort(keys(%usernamesort))) { 474: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 475: push(@showposts, @{$usernamesort{$domain}{$key}}); 476: } 477: } 478: } elsif ($sortposts eq 'lastfirst') { 479: foreach my $last (sort(keys(%namesort))) { 480: foreach my $key (sort(keys(%{$namesort{$last}}))) { 481: push(@showposts, @{$namesort{$last}{$key}}); 482: } 483: } 484: } else { 485: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 486: } 487: my $currdepth = 0; 488: my $firstidx = $alldiscussion{$showposts[0]}; 489: foreach my $post (@showposts) { 490: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 491: $alldiscussion{$post} = $post; 492: } 493: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 494: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 495: $discussion.="\n<tr>"; 496: } 497: my $thisdepth=$depth[$alldiscussion{$post}]; 498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 499: for (1..$thisdepth) { 500: $discussion.='<td>   </td>'; 501: } 502: } 503: my $colspan=$maxdepth-$thisdepth+1; 504: if ($outputtarget eq 'tex') { 505: #cleanup block 506: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 507: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 508: my $threadinsert=''; 509: if ($thisdepth > 0) { 510: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 511: } 512: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 513: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 514: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 515: 516: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 517: $discussion.=$discussionitems[$alldiscussion{$post}]; 518: } elsif ($outputtarget eq 'export') { 519: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 520: if ($manifestok) { 521: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 522: print $manifestfile ' </item>'."\n"; 523: } 524: $currdepth = $depth[$alldiscussion{$post}]; 525: print $manifestfile "\n". 526: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 527: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 528: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>'; 529: $imsresources .= "\n". 530: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 531: '<file href="'.$postfilename.'">'."\n". 532: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n". 533: '</resource>'; 534: } 535: my $postingfile; 536: my $postingfilename = $tempexport.'/'.$postfilename; 537: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 538: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 539: $imsitems{$alldiscussion{$post}}{'title'}.' '. 540: $imsitems{$alldiscussion{$post}}{'sender'}. 541: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 542: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 543: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 544: close($postingfile); 545: } else { 546: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 547: } 548: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 549: } else { 550: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}]. 551: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 552: '</td></tr>'; 553: } 554: } 555: } 556: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 557: my $colspan=$maxdepth+1; 558: $discussion .= <<END; 559: <tr bgcolor="#FFFFFF"> 560: <td colspan="$colspan" valign="top"> 561: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2"> 562: <tr> 563: <td align="left"> 564: <table border="0" cellpadding="0" cellspacing="4"> 565: <tr> 566: <td> 567: <font size="-1"><b>$lt{'cuse'}</b>:</td> 568: <td> </td> 569: <td><font size="-1"> 570: END 571: if ($newpostsflag) { 572: $discussion .= 573: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 574: if ($dischash{$toggkey}) { 575: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 576: } 577: } else { 578: if ($dischash{$toggkey}) { 579: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 580: } else { 581: $discussion .= 582: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 583: } 584: } 585: $discussion .= <<END; 586: </font></td> 587: <td> </td> 588: <td align="left"> 589: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 590: </td> 591: </tr> 592: </table> 593: </td> 594: END 595: if ($sortposts) { 596: my %sort_types = (); 597: my %role_types = (); 598: my %status_types = (); 599: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 600: 601: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 602: if (defined($env{'form.totposters'})) { 603: $discussion .= &mt('Posts by').':'; 604: if ($totposters > 0) { 605: foreach my $poster (@posters) { 606: $discussion .= ' '.$poster.','; 607: } 608: $discussion =~ s/,$//; 609: } else { 610: $discussion .= &mt('None selected'); 611: } 612: } else { 613: my $filterchoice =''; 614: if (@sectionpick > 0) { 615: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 616: $filterchoice .= '    '; 617: } 618: if (@grouppick > 0) { 619: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 620: $filterchoice .= '    '; 621: } 622: if (@rolefilter > 0) { 623: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 624: foreach my $role (@rolefilter) { 625: $filterchoice .= ' '.$role_types{$role}.','; 626: } 627: $filterchoice =~ s/,$//; 628: $filterchoice .= '<br />'.(' ' x8); 629: } 630: if ($statusfilter) { 631: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 632: } 633: if ($filterchoice) { 634: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 635: } 636: $discussion .= '</font></td>'; 637: } 638: } 639: if ($dischash{$toggkey}) { 640: my $storebutton = &mt('Save read/unread changes'); 641: $discussion.='<td align="right">'. 642: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 643: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 644: ' onClick="this.form.submit();" />'."\n". 645: '</td>'; 646: } 647: $discussion .= (<<END); 648: </tr> 649: </table> 650: </td> 651: </tr> 652: END 653: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 654: $newpostsflag,$group, 655: $prevread,$markondisp); 656: $discussion .= " 657: </table> 658: <br /><br /></form>\n"; 659: } 660: if ($outputtarget eq 'export') { 661: if ($manifestok) { 662: while ($currdepth > 0) { 663: print $manifestfile " </item>\n"; 664: $currdepth --; 665: } 666: print $manifestfile qq| 667: </organization> 668: </organizations> 669: <resources> 670: $imsresources 671: </resources> 672: </manifest> 673: |; 674: close($manifestfile); 675: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 676: $discussion = $copyresult; 677: } else { 678: 679: #Create zip file in prtspool 680: 681: my $imszipfile = '/prtspool/'. 682: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 683: time.'_'.rand(1000000000).'.zip'; 684: my $cwd = &getcwd(); 685: my $imszip = '/home/httpd/'.$imszipfile; 686: chdir $tempexport; 687: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 688: close(OUTPUT); 689: chdir $cwd; 690: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 691: if ($copyresult) { 692: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 693: } 694: } 695: } else { 696: $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 />'; 697: } 698: return $discussion; 699: } 700: } 701: if ($discussiononly) { 702: my $now = time; 703: my $attachnum = 0; 704: my $currnewattach = []; 705: my $currdelold = []; 706: my $comment = ''; 707: my $subject = ''; 708: if ($env{'form.origpage'}) { 709: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 710: $subject = &unescape($env{'form.subject'}); 711: $comment = &unescape($env{'form.comment'}); 712: my @keepold = (); 713: &process_attachments($currnewattach,$currdelold,\@keepold); 714: if (@{$currnewattach} > 0) { 715: $attachnum += @{$currnewattach}; 716: } 717: } 718: if (&discussion_open($status)) { 719: if (($group ne '') && ($mode eq 'board')) { 720: if (&check_group_priv($group,'pgd') eq 'ok') { 721: $discussion .= 722: &postingform_display($mode,$ressymb,$now,$subject, 723: $comment,$outputtarget,$attachnum, 724: $currnewattach,$currdelold, 725: $group); 726: } 727: } else { 728: $discussion.= 729: &postingform_display($mode,$ressymb,$now,$subject, 730: $comment,$outputtarget,$attachnum, 731: $currnewattach,$currdelold); 732: } 733: } 734: } else { 735: $discussion.='<div class="LC_feedback_link">'; 736: if (&discussion_open($status) && 737: &Apache::lonnet::allowed('pch', 738: $env{'request.course.id'}. 739: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 740: if ($outputtarget ne 'tex') { 741: $discussion.= &send_feedback_link($ressymb,$target); 742: } 743: } 744: if ($outputtarget ne 'tex') { 745: $discussion.= &send_message_link($ressymb); 746: } 747: $discussion.='</div>'; 748: } 749: return $discussion; 750: } 751: 752: sub send_feedback_link { 753: my ($ressymb,$target) = @_; 754: my $output = '<span class="LC_feedback_link">'. 755: ' <a href="/adm/feedback?replydisc='. 756: &escape($ressymb).':::" '.$target.'>'. 757: '<img alt="" src="'. 758: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 759: '" border="0" />'.&mt('Post Discussion').'</a></span>'; 760: return $output; 761: } 762: 763: sub send_message_link { 764: my ($ressymb) = @_; 765: my $output = '<span class="LC_message_link">'. 766: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 767: &escape($ressymb).'"><img alt="" src="'. 768: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png'). 769: '" border="0" />'.&mt('Send Message').'</a></span>'; 770: return $output; 771: } 772: 773: sub action_links_bar { 774: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 775: my $discussion = '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'. 776: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>'; 777: my $escsymb=&escape($ressymb); 778: if ($visible>2) { 779: $discussion .= '<td align="left">'. 780: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 781: if ($newpostsflag) { 782: $discussion .= '&previous='.$prevread; 783: } 784: $discussion .= &group_args($group); 785: $discussion .='">'.&mt('Threaded View').'</a>  '. 786: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 787: if ($newpostsflag) { 788: $discussion .= '&previous='.$prevread; 789: } 790: $discussion .= &group_args($group); 791: $discussion .='">'.&mt('Chronological View').'</a>   792: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb; 793: if ($newpostsflag) { 794: $discussion .= '&previous='.$prevread; 795: } 796: $discussion .= &group_args($group); 797: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 798: } else { 799: $discussion .= '<td align="left">'; 800: } 801: $discussion .='<a href= "/adm/feedback?export='.$escsymb; 802: if ($newpostsflag) { 803: $discussion .= '&previous='.$prevread; 804: } 805: $discussion .= &group_args($group); 806: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 807: if ($newpostsflag) { 808: if (!$markondisp) { 809: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions'; 810: $discussion .= &group_args($group); 811: $discussion .= '">'. 812: &mt('Preferences on what is marked as NEW'). 813: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 814: $discussion .= &group_args($group); 815: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>'; 816: } else { 817: $discussion .= '<td> </td>'; 818: } 819: } else { 820: $discussion .= '<td> </td>'; 821: } 822: $discussion .= '</tr></table></td></tr>'; 823: return $discussion; 824: } 825: 826: sub postingform_display { 827: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 828: $currnewattach,$currdelold,$group) = @_; 829: my $newattachmsg; 830: my %lt = &Apache::lonlocal::texthash( 831: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 832: 'title' => 'Title', 833: 'podi' => 'Post Discussion', 834: 'poan' => 'Post Anonymous Discussion', 835: 'newa' => 'New attachments', 836: ); 837: my $postingform = (<<ENDDISCUSS); 838: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 839: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 840: <input type="hidden" name="sendit" value="true" /> 841: <input type="hidden" name="timestamp" value="$now" /> 842: <br /><a name="newpost"></a> 843: <font size="1">$lt{'note'}</font><br /> 844: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 845: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 846: ENDDISCUSS 847: if ($env{'form.origpage'}) { 848: $postingform .= '<input type="hidden" name="origpage" value="'. 849: $env{'form.origpage'}.'" />'."\n"; 850: foreach my $att (@{$currnewattach}) { 851: $postingform .= '<input type="hidden" name="currnewattach" '. 852: 'value="'.$att.'" />'."\n"; 853: } 854: } 855: if (exists($env{'form.ref'})) { 856: $postingform .= '<input type="hidden" name="ref" value="'. 857: $env{'form.ref'}.'" />'; 858: } 859: if ($group ne '') { 860: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 861: } 862: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 863: if (!$blockblog) { 864: $postingform .= &add_blog_checkbox(); 865: } 866: $postingform .= "</form>\n"; 867: if ($outputtarget ne 'tex') { 868: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 869: $now,$currnewattach, 870: $currdelold,'',$mode, 871: $blockblog); 872: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 873: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 874: if (@{$currnewattach} > 1) { 875: $newattachmsg .= '<ol>'; 876: foreach my $item (@{$currnewattach}) { 877: $item =~ m#.*/([^/]+)$#; 878: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 879: } 880: $newattachmsg .= '</ol>'."\n"; 881: } else { 882: $$currnewattach[0] =~ m#.*/([^/]+)$#; 883: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 884: } 885: } 886: $postingform .= $newattachmsg; 887: $postingform .= &generate_preview_button(); 888: } 889: return $postingform; 890: } 891: 892: sub build_posting_display { 893: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 894: my @original=(); 895: my @index=(); 896: my $skip_group_check = 0; 897: my $symb=&Apache::lonenc::check_decrypt($ressymb); 898: my $escsymb=&escape($ressymb); 899: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 900: $env{'course.'.$env{'request.course.id'}.'.domain'}, 901: $env{'course.'.$env{'request.course.id'}.'.num'}); 902: 903: my $see_anonymous = 904: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 905: 906: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 907: $skip_group_check = 1; 908: } 909: if ($contrib{'version'}) { 910: my $oldest = $contrib{'1:timestamp'}; 911: if ($prevread eq '0') { 912: $prevread = $oldest-1; 913: } 914: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 915: if ($sortposts) { 916: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 917: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 918: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 919: } 920: for (my $id=1;$id<=$contrib{'version'};$id++) { 921: my $idx=$id; 922: my $posttime = $contrib{$idx.':timestamp'}; 923: if ($prevread <= $posttime) { 924: $$newpostsflag = 1; 925: } 926: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 927: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 928: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 929: my $origindex='0.'; 930: my $numoldver=0; 931: if ($contrib{$idx.':replyto'}) { 932: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 933: # this is a follow-up message 934: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 935: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 936: $origindex=$index[$contrib{$idx.':replyto'}]; 937: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 938: } else { 939: $original[$idx]=0; 940: $$depth[$idx]=0; 941: } 942: } else { 943: # this is an original message 944: $original[$idx]=0; 945: $$depth[$idx]=0; 946: } 947: if ($$replies[$$depth[$idx]]) { 948: $$replies[$$depth[$idx]]++; 949: } else { 950: $$replies[$$depth[$idx]]=1; 951: } 952: unless ((($hidden) && (!$seeid)) || ($deleted)) { 953: $$visible++; 954: if ($contrib{$idx.':history'}) { 955: if ($contrib{$idx.':history'} =~ /:/) { 956: my @oldversions = split(/:/,$contrib{$idx.':history'}); 957: $numoldver = @oldversions; 958: } else { 959: $numoldver = 1; 960: } 961: } 962: $$current = $numoldver; 963: my %messages = (); 964: my %subjects = (); 965: my %attachtxt = (); 966: my %allattachments = (); 967: my ($screenname,$plainname); 968: my $sender = &mt('Anonymous'); 969: # Anonymous users getting number within a discussion 970: # Since idx is in static order, this should give the same sequence every time. 971: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 972: unless ($$anonhash{$key}) { 973: $anoncnt++; 974: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 975: } 976: my ($message,$subject,$vgrlink,$ctlink); 977: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 978: 979: 980: # Set up for sorting by subject 981: unless ($outputtarget eq 'export') { 982: $message=$messages{$numoldver}; 983: $message.=$attachtxt{$numoldver}; 984: $subject=$subjects{$numoldver}; 985: if ($message) { 986: if ($hidden) { 987: $message='<font color="#888888">'.$message.'</font>'; 988: if ($studenthidden) { 989: $message .='<br /><br />Deleted by poster (student).'; 990: } 991: } 992: 993: if ($subject eq '') { 994: if (defined($$subjectsort{'__No subject'})) { 995: push(@{$$subjectsort{'__No subject'}}, $idx); 996: } else { 997: @{$$subjectsort{'__No subject'}} = ("$idx"); 998: } 999: } else { 1000: if (defined($$subjectsort{$subject})) { 1001: push(@{$$subjectsort{$subject}}, $idx); 1002: } else { 1003: @{$$subjectsort{$subject}} = ("$idx"); 1004: } 1005: } 1006: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1007: $sender=&Apache::loncommon::aboutmewrapper( 1008: $plainname, 1009: $contrib{$idx.':sendername'}, 1010: $contrib{$idx.':senderdomain'}).' ('. 1011: $contrib{$idx.':sendername'}.':'. 1012: $contrib{$idx.':senderdomain'}.')'; 1013: if ($contrib{$idx.':anonymous'}) { 1014: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1015: $screenname; 1016: } 1017: if ($see_anonymous) { 1018: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1019: } 1020: # Set up for sorting by domain, then username 1021: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1022: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1023: } 1024: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1025: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1026: } else { 1027: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1028: } 1029: # Set up for sorting by last name, then first name 1030: my %names = &Apache::lonnet::get('environment', 1031: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1032: ,$contrib{$idx.':sendername'}); 1033: my $lastname = $names{'lastname'}; 1034: my $firstname = $names{'firstname'}; 1035: if ($lastname eq '') { 1036: $lastname = '_'; 1037: } 1038: if ($firstname eq '') { 1039: $firstname = '_'; 1040: } 1041: unless (defined($$namesort{$lastname})) { 1042: %{$$namesort{$lastname}} = (); 1043: } 1044: if (defined($$namesort{$lastname}{$firstname})) { 1045: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1046: } else { 1047: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1048: } 1049: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1050: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1051: $sender.=' <a href="/adm/feedback?editdisc='. 1052: $escsymb.':::'.$idx; 1053: if ($$newpostsflag) { 1054: $sender .= '&previous='.$prevread; 1055: } 1056: $sender .= &group_args($group); 1057: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1058: 1059: unless ($seeid) { 1060: my $grpargs = &group_args($group); 1061: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1062: $sender .= '">'.&mt('Delete').'</a>'; 1063: } 1064: } 1065: } 1066: if ($seeid) { 1067: if ($hidden) { 1068: unless ($studenthidden) { 1069: $sender.=' <a href="/adm/feedback?unhide='. 1070: $escsymb.':::'.$idx; 1071: if ($$newpostsflag) { 1072: $sender .= '&previous='.$prevread; 1073: } 1074: $sender .= '">'.&mt('Make Visible').'</a>'; 1075: } 1076: } else { 1077: $sender.=' <a href="/adm/feedback?hide='. 1078: $escsymb.':::'.$idx; 1079: if ($$newpostsflag) { 1080: $sender .= '&previous='.$prevread; 1081: } 1082: $sender .= &group_args($group); 1083: $sender .= '">'.&mt('Hide').'</a>'; 1084: } 1085: my $grpargs = &group_args($group); 1086: $sender.= 1087: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1088: $sender .= &mt('Delete').'</a>'; 1089: } 1090: } else { 1091: if ($screenname) { 1092: $sender='<i>'.$screenname.'</i>'; 1093: } else { 1094: $sender='<i>'.$$anonhash{$key}.'</i>'; 1095: } 1096: # Set up for sorting by domain, then username for anonymous 1097: unless (defined($$usernamesort{'__anon'})) { 1098: %{$$usernamesort{'__anon'}} = (); 1099: } 1100: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1101: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1102: } else { 1103: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1104: } 1105: # Set up for sorting by last name, then first name for anonymous 1106: unless (defined($$namesort{'__anon'})) { 1107: %{$$namesort{'__anon'}} = (); 1108: } 1109: if (defined($$namesort{'__anon'}{'__anon'})) { 1110: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1111: } else { 1112: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1113: } 1114: } 1115: if (&discussion_open($status)) { 1116: if (($group ne '') && 1117: (&check_group_priv($group,'pgd') eq 'ok')) { 1118: $sender.=' <a href="/adm/feedback?replydisc='. 1119: $escsymb.':::'.$idx; 1120: if ($$newpostsflag) { 1121: $sender .= '&previous='.$prevread; 1122: } 1123: $sender .= &group_args($group); 1124: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1125: } elsif (&Apache::lonnet::allowed('pch', 1126: $env{'request.course.id'}. 1127: ($env{'request.course.sec'}?'/'. 1128: $env{'request.course.sec'}:''))) { 1129: $sender.=' <a href="/adm/feedback?replydisc='. 1130: $escsymb.':::'.$idx; 1131: if ($$newpostsflag) { 1132: $sender .= '&previous='.$prevread; 1133: } 1134: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1135: } 1136: } 1137: if ($viewgrades) { 1138: $vgrlink=&Apache::loncommon::submlink('Submissions', 1139: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1140: } 1141: if ($$dischash{$readkey}=~/\.$idx\./) { 1142: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1143: } else { 1144: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1145: } 1146: } 1147: #figure out at what position this needs to print 1148: } 1149: if ($outputtarget eq 'export' || $message) { 1150: my $thisindex=$idx; 1151: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1152: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1153: } 1154: $$alldiscussion{$thisindex}=$idx; 1155: $$shown{$idx} = 0; 1156: $index[$idx]=$thisindex; 1157: } 1158: if ($outputtarget eq 'export') { 1159: %{$$imsitems{$idx}} = (); 1160: $$imsitems{$idx}{'isvisible'}='true'; 1161: if ($hidden) { 1162: $$imsitems{$idx}{'isvisible'}='false'; 1163: } 1164: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1165: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1166: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1167: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1168: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1169: $contrib{$idx.':sendername'}.' at '. 1170: $contrib{$idx.':senderdomain'}.')'; 1171: $$imsitems{$idx}{'isanonymous'}='false'; 1172: if ($contrib{$idx.':anonymous'}) { 1173: $$imsitems{$idx}{'isanonymous'}='true'; 1174: } 1175: $$imsitems{$idx}{'currversion'}=$numoldver; 1176: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1177: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1178: $$shown{$idx} = 1; 1179: } 1180: } else { 1181: if ($message) { 1182: my $spansize = 2; 1183: if ($showonlyunread && $prevread > $posttime) { 1184: $$notshown{$idx} = 1; 1185: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1186: $$notshown{$idx} = 1; 1187: } else { 1188: # apply filters 1189: my $uname = $contrib{$idx.':sendername'}; 1190: my $udom = $contrib{$idx.':senderdomain'}; 1191: my $poster = $uname.':'.$udom; 1192: if ($env{'form.totposters'} ne '') { 1193: if ($totposters == 0) { 1194: $$shown{$idx} = 0; 1195: } elsif ($totposters > 0) { 1196: if (grep/^$poster$/,@{$posters}) { 1197: $$shown{$idx} = 1; 1198: } 1199: } 1200: } elsif ($sortposts) { 1201: if ($skiptest) { 1202: $$shown{$idx} = 1; 1203: } else { 1204: foreach my $role (@{$$roleinfo{$poster}}) { 1205: if ($role =~ /^cc:/) { 1206: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1207: if ($role =~ /$cc_regexp/) { 1208: $$shown{$idx} = 1; 1209: last; 1210: } 1211: } elsif ($role =~ /^$rolematch$/) { 1212: $$shown{$idx} = 1; 1213: last; 1214: } 1215: } 1216: } 1217: if ($$shown{$idx} && !$skip_group_check) { 1218: my $showflag = 0; 1219: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1220: foreach my $grp (@{$grouppick}) { 1221: if (grep/^\Q$grp\E$/, 1222: keys(%{$$classgroups{$poster}{active}})) { 1223: $showflag = 1; 1224: last; 1225: } 1226: } 1227: } 1228: if ($showflag) { 1229: $$shown{$idx} = 1; 1230: } else { 1231: $$shown{$idx} = 0; 1232: } 1233: } 1234: } else { 1235: $$shown{$idx} = 1; 1236: } 1237: } 1238: unless ($$notshown{$idx} == 1) { 1239: if ($prevread > 0 && $prevread <= $posttime) { 1240: $$newitem{$idx} = 1; 1241: $$discussionitems[$idx] .= ' 1242: <p><table border="0" width="100%"> 1243: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>'; 1244: } else { 1245: $$newitem{$idx} = 0; 1246: $$discussionitems[$idx] .= ' 1247: <p><table border="0" width="100%"> 1248: <tr><td align="left"> </td>'; 1249: } 1250: $$discussionitems[$idx] .= '<td align ="left">  '. 1251: '<b>'.$subject.'</b>  '. 1252: $sender.'</b> '.$vgrlink.' ('. 1253: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1254: if ($$dischash{$toggkey}) { 1255: $$discussionitems[$idx].='<td align="right">  '. 1256: $ctlink.'</td>'; 1257: } 1258: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1259: $message.'</blockquote></p>'; 1260: if ($contrib{$idx.':history'}) { 1261: my @postversions = (); 1262: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1263: if ($seeid) { 1264: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1265: $$discussionitems[$idx] .= &group_args($group); 1266: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1267: } 1268: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1269: if ($contrib{$idx.':history'} =~ m/:/) { 1270: @postversions = split(/:/,$contrib{$idx.':history'}); 1271: } else { 1272: @postversions = ("$contrib{$idx.':history'}"); 1273: } 1274: for (my $i=0; $i<@postversions; $i++) { 1275: my $version = $i+1; 1276: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1277: } 1278: } 1279: } 1280: } 1281: } 1282: } 1283: } 1284: } 1285: } 1286: 1287: sub filter_regexp { 1288: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1289: my ($roleregexp,$secregexp,$statusregexp); 1290: my $skiptest = 1; 1291: if (@{$rolefilter} > 0) { 1292: my @okrolefilter = (); 1293: foreach my $role (@{$rolefilter}) { 1294: unless ($role eq '') { 1295: push(@okrolefilter, $role); 1296: } 1297: } 1298: if (@okrolefilter > 0) { 1299: if (grep/^all$/,@okrolefilter) { 1300: $roleregexp='[^:]+'; 1301: } else { 1302: if (@okrolefilter == 1) { 1303: $roleregexp=$okrolefilter[0]; 1304: } else { 1305: $roleregexp='('.join('|',@okrolefilter).')'; 1306: } 1307: $skiptest = 0; 1308: } 1309: } 1310: } 1311: if (@{$sectionpick} > 0) { 1312: my @oksectionpick = (); 1313: foreach my $sec (@{$sectionpick}) { 1314: unless ($sec eq '') { 1315: push(@oksectionpick, $sec); 1316: } 1317: } 1318: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1319: if (@oksectionpick == 1) { 1320: $secregexp = $oksectionpick[0]; 1321: } else { 1322: $secregexp .= '('.join('|',@oksectionpick).')'; 1323: } 1324: $skiptest = 0; 1325: } else { 1326: $secregexp .= '[^:]*'; 1327: } 1328: } 1329: 1330: if (defined($statusfilter) && $statusfilter ne '') { 1331: if ($statusfilter eq 'all') { 1332: $statusregexp = '[^:]+'; 1333: } else { 1334: $statusregexp = $statusfilter; 1335: $skiptest = 0; 1336: } 1337: } 1338: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1339: } 1340: 1341: 1342: sub get_post_contents { 1343: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1344: my $discussion = ''; 1345: my $start=$numver; 1346: my $end=$numver + 1; 1347: %{$$imsfiles{$idx}}=(); 1348: if ($type eq 'allversions') { 1349: unless($seeid) { 1350: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1351: return $discussion; 1352: } 1353: } 1354: # $$screenname=&Apache::loncommon::screenname( 1355: # $$contrib{$idx.':sendername'}, 1356: # $$contrib{$idx.':senderdomain'}); 1357: $$plainname=&Apache::loncommon::nickname( 1358: $$contrib{$idx.':sendername'}, 1359: $$contrib{$idx.':senderdomain'}); 1360: $$screenname=$$contrib{$idx.':screenname'}; 1361: 1362: my $sender=&Apache::loncommon::aboutmewrapper( 1363: $$plainname, 1364: $$contrib{$idx.':sendername'}, 1365: $$contrib{$idx.':senderdomain'}).' ('. 1366: $$contrib{$idx.':sendername'}.' at '. 1367: $$contrib{$idx.':senderdomain'}.')'; 1368: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1369: my @postversions = (); 1370: if ($type eq 'allversions' || $type eq 'export') { 1371: $start = 0; 1372: if ($$contrib{$idx.':history'}) { 1373: @postversions = split(/:/,$$contrib{$idx.':history'}); 1374: } 1375: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1376: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1377: push(@postversions,$$contrib{$idx.':timestamp'}); 1378: $end = @postversions; 1379: } else { 1380: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1381: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1382: } 1383: 1384: if ($$contrib{$idx.':anonymous'}) { 1385: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1386: } 1387: if ($type eq 'allversions') { 1388: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1389: } 1390: for (my $i=$start; $i<$end; $i++) { 1391: my ($timesent,$attachmsg); 1392: my %currattach = (); 1393: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1394: &newline_to_br(\$messages->{$i}); 1395: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1396: $$subjects{$i}=~s/\n/\<br \/\>/g; 1397: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1398: if ($attachmenturls) { 1399: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1400: } 1401: if ($type eq 'export') { 1402: $$imsfiles{$idx}{$i} = ''; 1403: if ($attachmsg) { 1404: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1405: foreach my $key (sort(keys(%currattach))) { 1406: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1407: my $fname = $1.$3.'/'.$4; 1408: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1409: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1410: } 1411: } 1412: } 1413: } else { 1414: if ($attachmsg) { 1415: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1416: } else { 1417: $$attachtxt{$i} = ''; 1418: } 1419: } 1420: if ($type eq 'allversions') { 1421: $discussion.= <<"END"; 1422: <li><b>$$subjects{$i}</b>, $timesent<br /> 1423: $$messages{$i}<br /> 1424: $$attachtxt{$i}</li> 1425: END 1426: } 1427: } 1428: if ($type eq 'allversions') { 1429: $discussion.='</ul>'; 1430: return $discussion; 1431: } else { 1432: return; 1433: } 1434: } 1435: 1436: sub replicate_attachments { 1437: my ($attachrefs,$tempexport) = @_; 1438: my $response; 1439: foreach my $id (keys(%{$attachrefs})) { 1440: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1441: my $path = $tempexport; 1442: my $tail = $1.'/'.$2.$4; 1443: my @extras = split(/\//,$tail); 1444: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1445: if (!-e $destination) { 1446: my $i= 0; 1447: while ($i<@extras) { 1448: $path .= '/'.$extras[$i]; 1449: if (!-e $path) { 1450: mkdir($path,0700); 1451: } 1452: $i ++; 1453: } 1454: my ($content,$rtncode); 1455: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1456: if ($uploadreply eq 'ok') { 1457: my $attachcopy; 1458: if ($attachcopy = Apache::File->new('>'.$destination)) { 1459: print $attachcopy $content; 1460: close($attachcopy); 1461: } else { 1462: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1463: } 1464: } else { 1465: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1466: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1467: } 1468: } 1469: } 1470: } 1471: return $response; 1472: } 1473: 1474: sub mail_screen { 1475: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1476: if (exists($env{'form.origpage'})) { 1477: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1478: } 1479: 1480: my %lt = &Apache::lonlocal::texthash( 1481: 'plch' => 'Please check at least one of the following feedback types:', 1482: 'myqu' => 'My question/comment/feedback:', 1483: 'title' => 'Title', 1484: 'reta' => 'Retained attachments', 1485: 'atta' => 'Attachment', 1486: ); 1487: my $restitle = &get_resource_title($caller_symb,$feedurl); 1488: my $quote=''; 1489: my $subject = ''; 1490: my $comment = ''; 1491: my $prevtag = ''; 1492: my $parentmsg = ''; 1493: my ($symb,$idx,$attachmenturls); 1494: my $numoldver = 0; 1495: my $attachmsg = ''; 1496: my $newattachmsg = ''; 1497: my @currnewattach = (); 1498: my @currdelold = (); 1499: my @keepold = (); 1500: my %attachments = (); 1501: my %currattach = (); 1502: my $attachnum = 0; 1503: my $anonchk = (<<END); 1504: function anonchk() { 1505: for (var i=0; i < document.mailform.discuss.length; i++) { 1506: if (document.mailform.discuss[i].checked) { 1507: document.attachment.discuss.value = 1508: document.mailform.discuss[i].value; 1509: } 1510: } 1511: if (document.mailform.blog.checked) { 1512: document.attachment.blog.value = 1; 1513: } 1514: return 1515: } 1516: END 1517: my $anonscript; 1518: if (exists($env{'form.origpage'})) { 1519: $anonscript = (<<END); 1520: function setposttype() { 1521: var disc = "$env{'form.discuss'}"; 1522: for (var i=0; i < document.mailform.discuss.length; i++) { 1523: if (disc == document.mailform.discuss[i].value) { 1524: document.mailform.discuss[i].checked = 1; 1525: } 1526: } 1527: var blog = "$env{'form.blog'}"; 1528: if (blog == 1) { 1529: document.mailform.blog.checked=1; 1530: } 1531: return 1532: } 1533: END 1534: } else { 1535: $anonscript = (<<END); 1536: function setposttype() { 1537: return 1538: } 1539: END 1540: } 1541: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1542: if ($env{'form.replydisc'}) { 1543: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1544: } else { 1545: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1546: } 1547: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1548: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1549: $env{'course.'.$env{'request.course.id'}.'.num'}); 1550: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1551: if ($contrib{$idx.':history'}) { 1552: if ($contrib{$idx.':history'} =~ /:/) { 1553: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1554: $numoldver = @oldversions; 1555: } else { 1556: $numoldver = 1; 1557: } 1558: } 1559: if ($env{'form.replydisc'}) { 1560: if ($contrib{$idx.':history'}) { 1561: if ($contrib{$idx.':history'} =~ /:/) { 1562: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1563: $numoldver = @oldversions; 1564: } else { 1565: $numoldver = 1; 1566: } 1567: } 1568: if ($idx > 0) { 1569: my %msgversions = (); 1570: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1571: $quote = $msgversions{$numoldver}; 1572: } 1573: if ($idx > 0) { 1574: my %subversions = (); 1575: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1576: $subject = &mt('Re: ').$subversions{$numoldver}; 1577: } 1578: $subject = &HTML::Entities::encode($subject,'<>&"'); 1579: } else { 1580: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1581: if ($idx > 0) { 1582: my %msgversions = (); 1583: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1584: $comment = $msgversions{$numoldver}; 1585: my %subversions = (); 1586: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1587: $subject = $subversions{$numoldver}; 1588: } 1589: if (defined($contrib{$idx.':replyto'})) { 1590: $parentmsg = $contrib{$idx.':replyto'}; 1591: } 1592: unless (exists($env{'form.origpage'})) { 1593: my $anonflag = 'nonanon'; 1594: if ($contrib{$idx.':anonymous'}) { 1595: $anonflag = 'anon'; 1596: } 1597: $anonscript = (<<END); 1598: function setposttype () { 1599: var currtype = "$anonflag"; 1600: for (var i=0; i<document.mailform.discuss.length; i++) { 1601: if (document.mailform.elements.discuss[i].value == currtype ) { 1602: document.mailform.elements.discuss[i].checked=1; 1603: } 1604: } 1605: return 1606: } 1607: END 1608: } 1609: } 1610: } 1611: if ($env{'form.previous'}) { 1612: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1613: } 1614: } 1615: 1616: if ($env{'form.origpage'}) { 1617: $subject = &unescape($env{'form.subject'}); 1618: $comment = &unescape($env{'form.comment'}); 1619: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1620: } 1621: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1622: my $send=&mt('Send'); 1623: my $alert = &mt('Please select a feedback type.'); 1624: my $js= <<END; 1625: <script type="text/javascript"> 1626: // 1660: </script> 1661: END 1662: 1663: my %onload = ('onload' => 'window.focus();setposttype();'); 1664: my $start_page= 1665: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1666: {'add_entries' => \%onload}); 1667: 1668: if ($quote ne '') { 1669: &newline_to_br(\$quote); 1670: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1671: } 1672: 1673: $r->print(<<END); 1674: $start_page 1675: <h2><tt>$restitle</tt></h2> 1676: <form action="/adm/feedback" method="post" name="mailform" 1677: enctype="multipart/form-data"> 1678: $prevtag 1679: <input type="hidden" name="postdata" value="$feedurl" /> 1680: END 1681: if ($env{'form.replydisc'}) { 1682: $r->print(<<END); 1683: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1684: END 1685: } elsif ($env{'form.editdisc'}) { 1686: $r->print(<<END); 1687: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1688: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1689: END 1690: } 1691: $r->print(<<END); 1692: $lt{'plch'} 1693: $options<hr /> 1694: $quote 1695: <p>$lt{'myqu'}</p> 1696: <p> 1697: $latexHelp 1698: </p> 1699: <p> 1700: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1701: <p> 1702: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1703: </textarea></p> 1704: <p> 1705: END 1706: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1707: if ($env{'form.origpage'}) { 1708: foreach my $attach (@currnewattach) { 1709: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1710: } 1711: foreach my $oldatt (@currdelold) { 1712: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1713: } 1714: } 1715: if ($env{'form.editdisc'}) { 1716: if ($attachmenturls) { 1717: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1718: $attachnum = scalar(keys(%currattach)); 1719: foreach my $key (keys(%currattach)) { 1720: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1721: } 1722: } 1723: } 1724: } else { 1725: $r->print(<<END); 1726: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1727: </p> 1728: END 1729: } 1730: if (exists($env{'form.group'})) { 1731: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1732: } 1733: if (exists($env{'form.ref'})) { 1734: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1735: } 1736: $r->print(<<END); 1737: <p> 1738: <input type="hidden" name="sendit" value="1" /> 1739: <input type="button" value="$send" onClick='gosubmit();' /> 1740: </p> 1741: </form> 1742: END 1743: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1744: my $now = time; 1745: my $ressymb = $symb; 1746: &Apache::lonenc::check_encrypt(\$ressymb); 1747: my $postidx = ''; 1748: if ($env{'form.editdisc'}) { 1749: $postidx = $idx; 1750: } 1751: if (@currnewattach > 0) { 1752: $attachnum += @currnewattach; 1753: } 1754: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1755: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1756: if ($attachnum > 0) { 1757: if (@currnewattach > 0) { 1758: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1759: if (@currnewattach > 1) { 1760: $newattachmsg .= '<ol>'; 1761: foreach my $item (@currnewattach) { 1762: $item =~ m#.*/([^/]+)$#; 1763: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1764: } 1765: $newattachmsg .= '</ol>'."\n"; 1766: } else { 1767: $currnewattach[0] =~ m#.*/([^/]+)$#; 1768: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1769: } 1770: } 1771: if ($attachmsg) { 1772: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1773: } 1774: if ($newattachmsg) { 1775: $r->print("$newattachmsg<br />"); 1776: } 1777: } 1778: } 1779: $r->print(&generate_preview_button(). 1780: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1781: &Apache::loncommon::end_page()); 1782: 1783: } 1784: 1785: sub print_display_options { 1786: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1787: &Apache::loncommon::content_type($r,'text/html'); 1788: $r->send_http_header; 1789: 1790: my $function = &Apache::loncommon::get_users_function(); 1791: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1792: $env{'user.domain'}); 1793: 1794: my %lt = &Apache::lonlocal::texthash( 1795: 'pref' => 'Display Preference', 1796: 'curr' => 'Current setting ', 1797: 'actn' => 'Action', 1798: 'deff' => 'Default for all discussions', 1799: 'prca' => 'Preferences can be set for this discussion that determine ....', 1800: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1801: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1802: 'wipa' => 'Whether individual posts can be marked as read/unread', 1803: 'allposts' => 'All posts', 1804: 'unread' => 'New posts only', 1805: 'unmark' => 'Posts not marked read', 1806: 'ondisp' => 'Once displayed', 1807: 'onmark' => 'Once marked not NEW', 1808: 'toggon' => 'Shown', 1809: 'toggoff' => 'Not shown', 1810: 'disa' => 'Posts displayed?', 1811: 'npmr' => 'New posts cease to be identified as "NEW"?', 1812: 'dotm' => 'Option to mark each post as read/unread?', 1813: 'chgt' => 'Change to ', 1814: 'mkdf' => 'Set to ', 1815: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1816: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1817: ); 1818: 1819: my $dispchangeA = $lt{'unread'}; 1820: my $dispchangeB = $lt{'unmark'}; 1821: my $markchange = $lt{'ondisp'}; 1822: my $toggchange = $lt{'toggon'}; 1823: my $currdisp = $lt{'allposts'}; 1824: my $currmark = $lt{'onmark'}; 1825: my $discdisp = 'allposts'; 1826: my $discmark = 'onmark'; 1827: my $currtogg = $lt{'toggoff'}; 1828: my $disctogg = 'toggoff'; 1829: 1830: if ($dispchgA eq 'allposts') { 1831: $dispchangeA = $lt{'allposts'}; 1832: $currdisp = $lt{'unread'}; 1833: $discdisp = 'unread'; 1834: } 1835: 1836: if ($markchg eq 'markonread') { 1837: $markchange = $lt{'onmark'}; 1838: $currmark = $lt{'ondisp'}; 1839: $discmark = 'ondisp'; 1840: } 1841: 1842: if ($dispchgB eq 'onlyunread') { 1843: $dispchangeB = $lt{'unread'}; 1844: $currdisp = $lt{'unmark'}; 1845: $discdisp = 'unmark'; 1846: } 1847: if ($toggchg eq 'toggoff') { 1848: $toggchange = $lt{'toggoff'}; 1849: $currtogg = $lt{'toggon'}; 1850: $disctogg = 'toggon'; 1851: } 1852: 1853: my $js = <<END; 1854: <script type="text/javascript"> 1855: function discdispChk(caller) { 1856: var disctogg = '$toggchg' 1857: if (caller == 0) { 1858: if (document.modifydisp.discdisp[0].checked == true) { 1859: if (document.modifydisp.discdisp[1].checked == true) { 1860: document.modifydisp.discdisp[1].checked = false 1861: } 1862: } 1863: } 1864: if (caller == 1) { 1865: if (document.modifydisp.discdisp[1].checked == true) { 1866: if (document.modifydisp.discdisp[0].checked == true) { 1867: document.modifydisp.discdisp[0].checked = false 1868: } 1869: if (disctogg == 'toggon') { 1870: document.modifydisp.disctogg.checked = true 1871: } 1872: if (disctogg == 'toggoff') { 1873: document.modifydisp.disctogg.checked = false 1874: } 1875: } 1876: } 1877: if (caller == 2) { 1878: var dispchgB = '$dispchgB' 1879: if (disctogg == 'toggoff') { 1880: if (document.modifydisp.disctogg.checked == true) { 1881: if (dispchgB == 'onlyunmark') { 1882: document.modifydisp.discdisp[1].checked = false 1883: } 1884: } 1885: } 1886: } 1887: } 1888: 1889: function setDisp() { 1890: var prev = "$previous" 1891: var chktotal = 0 1892: if (document.modifydisp.discdisp[0].checked == true) { 1893: document.modifydisp.$dispchgA.value = "$symb" 1894: chktotal ++ 1895: } 1896: if (document.modifydisp.discdisp[1].checked == true) { 1897: document.modifydisp.$dispchgB.value = "$symb" 1898: chktotal ++ 1899: } 1900: if (document.modifydisp.discmark.checked == true) { 1901: document.modifydisp.$markchg.value = "$symb" 1902: chktotal ++ 1903: } 1904: if (document.modifydisp.disctogg.checked == true) { 1905: document.modifydisp.$toggchg.value = "$symb" 1906: chktotal ++ 1907: } 1908: if (chktotal > 0) { 1909: document.modifydisp.submit() 1910: } else { 1911: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1912: if (prev > 0) { 1913: location.href = "$feedurl?previous=$previous" 1914: } else { 1915: location.href = "$feedurl" 1916: } 1917: } 1918: } 1919: } 1920: </script> 1921: END 1922: 1923: 1924: my $start_page = 1925: &Apache::loncommon::start_page('Discussion display options',$js); 1926: my $end_page = 1927: &Apache::loncommon::end_page(); 1928: $r->print(<<END); 1929: $start_page 1930: <form name="modifydisp" method="POST" action="/adm/feedback"> 1931: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1932: <br /> 1933: END 1934: $r->print(&Apache::loncommon::start_data_table()); 1935: $r->print(<<END); 1936: <tr> 1937: <th>$lt{'pref'}</td> 1938: <th>$lt{'curr'}</td> 1939: <th>$lt{'actn'}?</td> 1940: </tr> 1941: END 1942: $r->print(&Apache::loncommon::start_data_table_row()); 1943: $r->print(<<END); 1944: <td>$lt{'disa'}</td> 1945: <td>$lt{$discdisp}</td> 1946: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1947: <br /> 1948: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1949: </td> 1950: END 1951: $r->print(&Apache::loncommon::end_data_table_row()); 1952: $r->print(&Apache::loncommon::start_data_table_row()); 1953: $r->print(<<END); 1954: <td>$lt{'npmr'}</td> 1955: <td>$lt{$discmark}</td> 1956: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1957: END 1958: $r->print(&Apache::loncommon::end_data_table_row()); 1959: $r->print(&Apache::loncommon::start_data_table_row()); 1960: $r->print(<<END); 1961: <td>$lt{'dotm'}</td> 1962: <td>$lt{$disctogg}</td> 1963: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1964: END 1965: my $save = &mt('Save'); 1966: $r->print(&Apache::loncommon::end_data_table_row()); 1967: $r->print(&Apache::loncommon::end_data_table()); 1968: $r->print(<<END); 1969: <br /> 1970: <br /> 1971: <input type="hidden" name="symb" value="$symb" /> 1972: <input type="hidden" name="previous" value="$previous" /> 1973: <input type="hidden" name="$dispchgA" value="" /> 1974: <input type="hidden" name="$dispchgB" value="" /> 1975: <input type="hidden" name="$markchg" value="" /> 1976: <input type="hidden" name="$toggchg" value="" /> 1977: <input type="button" name="sub" value="$save" onClick="javascript:setDisp()" /> 1978: END 1979: if (exists($env{'form.group'})) { 1980: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1981: } 1982: if (exists($env{'form.ref'})) { 1983: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1984: } 1985: $r->print(" 1986: <br /> 1987: <br /> 1988: </form> 1989: $end_page 1990: "); 1991: return; 1992: } 1993: 1994: sub print_sortfilter_options { 1995: my ($r,$symb,$previous,$feedurl) = @_; 1996: 1997: &Apache::loncommon::content_type($r,'text/html'); 1998: $r->send_http_header; 1999: 2000: &Apache::lonenc::check_encrypt(\$symb); 2001: my @sections; 2002: my $section_sel = ''; 2003: my $numvisible = 5; 2004: my @groups; 2005: my $group_sel = ''; 2006: my $numgroupvis = 5; 2007: my %sectioncount = &Apache::loncommon::get_sections(); 2008: 2009: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2010: @sections = ('all',$env{'request.course.sec'}); 2011: $numvisible = 2; 2012: } else { 2013: @sections = sort {$a cmp $b} keys(%sectioncount); 2014: if (scalar(@sections) < 4) { 2015: $numvisible = scalar(@sections) + 1; 2016: } 2017: unshift(@sections,'all'); # Put 'all' at the front of the list 2018: 2019: } 2020: foreach my $sec (@sections) { 2021: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2022: } 2023: 2024: if (&check_group_priv() eq 'ok') { 2025: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2026: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2027: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2028: @groups = sort {$a cmp $b} keys(%curr_groups); 2029: if (scalar(@groups) < 4) { 2030: $numgroupvis = scalar(@groups) + 1; 2031: } 2032: unshift(@groups,'all'); # Put 'all' at the front of the list 2033: } else { 2034: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2035: if (@coursegroups > 0) { 2036: @coursegroups = sort {$a cmp $b} @coursegroups; 2037: @groups = ('all',@coursegroups); 2038: if (scalar(@groups) < 4) { 2039: $numgroupvis = scalar(@groups) + 1; 2040: } 2041: } else { 2042: @groups = ('all'); 2043: $numgroupvis = 1; 2044: } 2045: } 2046: foreach my $group (@groups) { 2047: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2048: } 2049: 2050: my $function = &Apache::loncommon::get_users_function(); 2051: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2052: $env{'user.domain'}); 2053: my %lt = &Apache::lonlocal::texthash( 2054: 'diop' => 'Display Options', 2055: 'curr' => 'Current setting ', 2056: 'actn' => 'Action', 2057: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2058: 'soor' => 'Sort order', 2059: 'spur' => 'Specific user roles', 2060: 'sprs' => 'Specific role status', 2061: 'spse' => 'Specific sections', 2062: 'spgr' => 'Specific groups', 2063: 'psub' => 'Pick specific users (by name)', 2064: 'shal' => 'Show a list of current posters', 2065: 'stor' => 'Save changes', 2066: ); 2067: 2068: my %sort_types = (); 2069: my %role_types = (); 2070: my %status_types = (); 2071: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 2072: 2073: my $js = <<END; 2074: <script type="text/javascript"> 2075: function verifyFilter() { 2076: var rolenum = 0 2077: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2078: if (document.modifyshown.rolefilter.options[i].selected == true) { 2079: rolenum ++ 2080: } 2081: } 2082: if (rolenum == 0) { 2083: document.modifyshown.rolefilter.options[0].selected = true 2084: } 2085: 2086: var secnum = 0 2087: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2088: if (document.modifyshown.sectionpick.options[i].selected == true) { 2089: secnum ++ 2090: } 2091: } 2092: if (secnum == 0) { 2093: document.modifyshown.sectionpick.options[0].selected = true 2094: } 2095: 2096: var grpnum = 0 2097: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2098: if (document.modifyshown.grouppick.options[i].selected == true) { 2099: grpnum ++ 2100: } 2101: } 2102: if (grpnum == 0) { 2103: document.modifyshown.grouppick.options[0].selected = true 2104: } 2105: 2106: document.modifyshown.submit(); 2107: } 2108: </script> 2109: END 2110: 2111: my $start_page= 2112: &Apache::loncommon::start_page('Discussion options',$js); 2113: my $end_page= 2114: &Apache::loncommon::end_page(); 2115: 2116: $r->print(<<END); 2117: $start_page 2118: <form name="modifyshown" method="POST" action="/adm/feedback"> 2119: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2120: <br /><br /> 2121: <table border="0"> 2122: <tr> 2123: <td><b>$lt{'soor'}</b></td> 2124: <td> </td> 2125: <td><b>$lt{'sprs'}</b></td> 2126: <td> </td> 2127: <td><b>$lt{'spur'}</b></td> 2128: <td> </td> 2129: <td><b>$lt{'spse'}</b></td> 2130: <td> </td> 2131: <td><b>$lt{'spgr'}</b></td> 2132: <td> </td> 2133: <td><b>$lt{'psub'}</b></td> 2134: </tr> 2135: <tr> 2136: <td align="center" valign="top"> 2137: <select name="sortposts"> 2138: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2139: <option value="descdate">$sort_types{'descdate'}</option> 2140: <option value="thread">$sort_types{'thread'}</option> 2141: <option value="subject">$sort_types{'subject'}</option> 2142: <option value="username">$sort_types{'username'}</option> 2143: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2144: </select> 2145: </td> 2146: <td> </td> 2147: <td align="center" valign="top"> 2148: <select name="statusfilter"> 2149: <option value="all" selected="selected">$status_types{'all'}</option> 2150: <option value="Active">$status_types{'Active'}</option> 2151: <option value="Expired">$status_types{'Expired'}</option> 2152: <option value="Future">$status_types{'Future'}</option> 2153: </select> 2154: </td> 2155: <td> </td> 2156: <td align="center" valign="top"> 2157: <select name="rolefilter" multiple="multiple" size="5"> 2158: <option value="all">$role_types{'all'}</option> 2159: <option value="st">$role_types{'st'}</option> 2160: <option value="cc">$role_types{'cc'}</option> 2161: <option value="in">$role_types{'in'}</option> 2162: <option value="ta">$role_types{'ta'}</option> 2163: <option value="ep">$role_types{'ep'}</option> 2164: <option value="cr">$role_types{'cr'}</option> 2165: </select> 2166: </td> 2167: <td> </td> 2168: <td align="center" valign="top"> 2169: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2170: $section_sel 2171: </select> 2172: </td> 2173: <td> </td> 2174: <td align="center" valign="top"> 2175: <select name="grouppick" multiple="multiple" size="$numvisible"> 2176: $group_sel 2177: </select> 2178: </td> 2179: <td> </td> 2180: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2181: </tr> 2182: </table> 2183: <br /> 2184: <br /> 2185: <input type="hidden" name="previous" value="$previous" /> 2186: <input type="hidden" name="applysort" value="$symb" /> 2187: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" /> 2188: END 2189: if (exists($env{'form.group'})) { 2190: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2191: } 2192: if (exists($env{'form.ref'})) { 2193: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2194: } 2195: $r->print(" 2196: <br /> 2197: <br /> 2198: </form> 2199: $end_page 2200: "); 2201: } 2202: 2203: sub print_showposters { 2204: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2205: 2206: &Apache::loncommon::content_type($r,'text/html'); 2207: $r->send_http_header; 2208: 2209: &Apache::lonenc::check_encrypt(\$symb); 2210: my $crs='/'.$env{'request.course.id'}; 2211: if ($env{'request.course.sec'}) { 2212: $crs.='_'.$env{'request.course.sec'}; 2213: } 2214: $crs=~s/\_/\//g; 2215: my $seeid; 2216: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2217: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2218: my $group = $env{'form.group'}; 2219: my $ressymb = &wrap_symb($symb); 2220: if (($group ne '') && 2221: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2222: if (&check_group_priv($group,'dgp') eq 'ok') { 2223: $seeid = 1; 2224: } 2225: } else { 2226: $seeid=&Apache::lonnet::allowed('rin',$crs); 2227: } 2228: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2229: $cdom,$cnum); 2230: my %namesort = (); 2231: my %postcounts = (); 2232: 2233: my %lt = &Apache::lonlocal::texthash( 2234: sele => 'Select', 2235: full => 'Fullname', 2236: usdo => 'Username:domain', 2237: post => 'Posts', 2238: ); 2239: if ($contrib{'version'}) { 2240: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2241: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2242: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2243: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2244: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2245: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2246: my $lastname = $names{'lastname'}; 2247: my $firstname = $names{'firstname'}; 2248: if ($lastname eq '') { 2249: $lastname = '_'; 2250: } 2251: if ($firstname eq '') { 2252: $firstname = '_'; 2253: } 2254: unless (defined($namesort{$lastname})) { 2255: %{$namesort{$lastname}} = (); 2256: } 2257: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2258: $postcounts{$poster} ++; 2259: if (defined($namesort{$lastname}{$firstname})) { 2260: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2261: push(@{$namesort{$lastname}{$firstname}}, $poster); 2262: } 2263: } else { 2264: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2265: } 2266: } 2267: } 2268: } 2269: } 2270: 2271: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2272: my $table_start =&Apache::loncommon::start_data_table(); 2273: $r->print(<<END); 2274: $start_page 2275: <form name="pickpostersform" method="post"> 2276: <br /> 2277: $table_start 2278: <tr> 2279: <th>#</th> 2280: <th>$lt{'sele'}</th> 2281: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2282: <th>$lt{'post'}</th> 2283: </tr> 2284: END 2285: my $count = 0; 2286: foreach my $last (sort(keys(%namesort))) { 2287: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2288: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2289: my ($uname,$udom) = split(/:/,$user); 2290: if (!$uname || !$udom) { 2291: next; 2292: } else { 2293: $count ++; 2294: $r->print(&Apache::loncommon::start_data_table_row(). 2295: '<td align="right">'.$count.'</td> 2296: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2297: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2298: <td>'.$postcounts{$user}.'</td>'. 2299: &Apache::loncommon::end_data_table_row()); 2300: } 2301: } 2302: } 2303: } 2304: $r->print(&Apache::loncommon::end_data_table()); 2305: my $end_page = &Apache::loncommon::end_page(); 2306: $r->print(<<END); 2307: <br /> 2308: <input type="hidden" name="sortposts" value="$sortposts" /> 2309: <input type="hidden" name="userpick" value="$symb" /> 2310: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2311: </form> 2312: $end_page 2313: END 2314: } 2315: 2316: sub get_post_versions { 2317: my ($versions,$incoming,$htmldecode,$numver) = @_; 2318: if ($incoming =~ /^<version num="0">/) { 2319: my $p = HTML::LCParser->new(\$incoming); 2320: my $done = 0; 2321: 2322: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2323: my $num = $token->[1]{num}; 2324: my $text = $p->get_text("/version"); 2325: if (defined($numver)) { 2326: if ($num == $numver) { 2327: if ($htmldecode) { 2328: $text = &HTML::Entities::decode($text); 2329: } 2330: $$versions{$numver}=$text; 2331: $done = 1; 2332: } 2333: } else { 2334: if ($htmldecode) { 2335: $text = &HTML::Entities::decode($text); 2336: } 2337: $$versions{$num}=$text; 2338: } 2339: } 2340: } else { 2341: if (!defined($numver)) { 2342: $numver = 0; 2343: } 2344: if ($htmldecode) { 2345: $$versions{$numver} = $incoming; 2346: } else { 2347: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2348: } 2349: } 2350: return; 2351: } 2352: 2353: sub get_post_attachments { 2354: my ($attachments,$attachmenturls) = @_; 2355: my $num; 2356: if ($attachmenturls =~ m/^<attachment id="0">/) { 2357: my $p = HTML::LCParser->new(\$attachmenturls); 2358: while (my $token = $p->get_tag("attachment","filename","post")) { 2359: if ($token->[0] eq "attachment") { 2360: $num = $token->[1]{id}; 2361: %{$$attachments{$num}} =(); 2362: } elsif ($token->[0] eq "filename") { 2363: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2364: } elsif ($token->[0] eq "post") { 2365: my $id = $token->[1]{id}; 2366: $$attachments{$num}{$id} = $p->get_text("/post"); 2367: } 2368: } 2369: } else { 2370: %{$$attachments{'0'}} = (); 2371: $$attachments{'0'}{'filename'} = $attachmenturls; 2372: $$attachments{'0'}{'0'} = 'n'; 2373: } 2374: 2375: return; 2376: } 2377: 2378: sub fail_redirect { 2379: my ($r,$feedurl) = @_; 2380: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2381: my %lt = &Apache::lonlocal::texthash( 2382: 'sorr' => 'Sorry, no recipients ...', 2383: ); 2384: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2385: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2386: {'redirect' => [2,$feedurl], 2387: 'only_body' => 1,})); 2388: $r->print(<<ENDFAILREDIR); 2389: <img align="right" src="$logo" /> 2390: <b>$lt{'sorr'}</b> 2391: ENDFAILREDIR 2392: $r->print(&Apache::loncommon::end_page()); 2393: } 2394: 2395: sub redirect_back { 2396: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2397: my $sorttag = ''; 2398: my $roletag = ''; 2399: my $statustag = ''; 2400: my $sectag = ''; 2401: my $grptag = ''; 2402: my $userpicktag = ''; 2403: my $qrystr = ''; 2404: my $prevtag = ''; 2405: 2406: &Apache::loncommon::content_type($r,'text/html'); 2407: $r->send_http_header; 2408: &dewrapper(\$feedurl); 2409: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2410: if ($previous > 0) { 2411: $qrystr = 'previous='.$previous; 2412: if ($feedurl =~ /\?register=1/) { 2413: $feedurl .= '&'.$qrystr; 2414: } else { 2415: $feedurl .= '?'.$qrystr; 2416: } 2417: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2418: } 2419: if (defined($sort)) { 2420: my $sortqry = 'sortposts='.$sort; 2421: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2422: $feedurl .= '&'.$sortqry; 2423: } else { 2424: $feedurl .= '?'.$sortqry; 2425: } 2426: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2427: if (defined($numpicks)) { 2428: my $userpickqry = 'totposters='.$numpicks; 2429: $feedurl .= '&'.$userpickqry; 2430: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2431: } else { 2432: if (ref($sectionpick) eq 'ARRAY') { 2433: $feedurl .= '&sectionpick='; 2434: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2435: foreach my $sec (@{$sectionpick}) { 2436: $feedurl .= $sec.','; 2437: $sectag .= $sec.','; 2438: } 2439: $feedurl =~ s/,$//; 2440: $sectag =~ s/,$//; 2441: $sectag .= '" />'; 2442: } else { 2443: $feedurl .= '&sectionpick='.$sectionpick; 2444: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2445: } 2446: if (ref($grouppick) eq 'ARRAY') { 2447: $feedurl .= '&grouppick='; 2448: $sectag .= '<input type="hidden" name="grouppick" value="'; 2449: foreach my $grp (@{$grouppick}) { 2450: $feedurl .= $grp.','; 2451: $grptag .= $grp.','; 2452: } 2453: $feedurl =~ s/,$//; 2454: $grptag =~ s/,$//; 2455: $grptag .= '" />'; 2456: } else { 2457: $feedurl .= '&grouppick='.$grouppick; 2458: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2459: } 2460: if (ref($rolefilter) eq 'ARRAY') { 2461: $feedurl .= '&rolefilter='; 2462: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2463: foreach my $role (@{$rolefilter}) { 2464: $feedurl .= $role.','; 2465: $roletag .= $role.','; 2466: } 2467: $feedurl =~ s/,$//; 2468: $roletag =~ s/,$//; 2469: $roletag .= '" />'; 2470: } else { 2471: $feedurl .= '&rolefilter='.$rolefilter; 2472: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2473: } 2474: $feedurl .= '&statusfilter='.$statusfilter; 2475: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2476: } 2477: } 2478: my $grouptag; 2479: if ($group ne '') { 2480: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2481: my $refarg; 2482: if (exists($env{'form.ref'})) { 2483: $refarg = '&ref='.$env{'form.ref'}; 2484: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2485: } 2486: if ($feedurl =~ /\?/) { 2487: $feedurl .= '&group='.$group.$refarg; 2488: } else { 2489: $feedurl .= '?group='.$group.$refarg; 2490: } 2491: } 2492: &Apache::lonenc::check_encrypt(\$feedurl); 2493: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2494: my %onload; 2495: if ($env{'environment.remote'} ne 'off') { 2496: $onload{'onload'} = 2497: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2498: } 2499: my $start_page= 2500: &Apache::loncommon::start_page('Feedback sent',undef, 2501: {'redirect' => [0,$feedurl], 2502: 'only_body' => 1, 2503: 'add_entries' => \%onload}); 2504: my $end_page = &Apache::loncommon::end_page(); 2505: $r->print(<<ENDREDIR); 2506: $start_page 2507: <img align="right" src="$logo" /> 2508: $typestyle 2509: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2510: $blog 2511: $toolarge 2512: <font color="red">$status</font> 2513: <form name="reldt" action="$feedurl" target="loncapaclient"> 2514: $prevtag 2515: $sorttag 2516: $statustag 2517: $roletag 2518: $sectag 2519: $grptag 2520: $userpicktag 2521: $grouptag 2522: </form> 2523: $end_page 2524: ENDREDIR 2525: } 2526: 2527: sub no_redirect_back { 2528: my ($r,$feedurl) = @_; 2529: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2530: 2531: my %onload; 2532: if ($env{'environment.remote'} ne 'off') { 2533: $onload{'onload'} = 2534: "if (window.name!='loncapaclient') { self.window.close(); }"; 2535: } 2536: 2537: my %body_options = ('only_body' => 1, 2538: 'bgcolor' => '#FFFFFF', 2539: 'add_entries' => \%onload,); 2540: 2541: if ($feedurl !~ m{^/adm/feedback}) { 2542: $body_options{'rediect'} = [2,$feedurl]; 2543: } 2544: my $start_page= 2545: &Apache::loncommon::start_page('Feedback not sent',undef, 2546: \%body_options); 2547: 2548: my $end_page = &Apache::loncommon::end_page(); 2549: 2550: &Apache::lonenc::check_encrypt(\$feedurl); 2551: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2552: $r->print (<<ENDNOREDIRTWO); 2553: $start_page 2554: <img align="right" src="$logo" /> 2555: <b>$nofeed</b> 2556: <br /> 2557: $end_page 2558: ENDNOREDIRTWO 2559: } 2560: 2561: sub screen_header { 2562: my ($feedurl,$symb) = @_; 2563: my $msgoptions=''; 2564: my $discussoptions=''; 2565: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2566: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2567: $msgoptions= 2568: '<p><label><input type="radio" name="discuss" value="author" /> '. 2569: &mt('Feedback to resource author').'</label></p>'; 2570: } 2571: my %optionhash=(); 2572: foreach my $type ('question','comment','policy') { 2573: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2574: } 2575: if (&feedback_available(1)) { 2576: $msgoptions.= 2577: '<p><label><input type="radio" name="discuss" value="question" /> '. 2578: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2579: } 2580: if (&feedback_available(0,1)) { 2581: $msgoptions.= 2582: '<p><label><input type="radio" name="discuss" value="course" /> '. 2583: ($optionhash{'comment'}?$optionhash{'comment'}:&mt('Question/Comment/Feedback about course content')). 2584: '</label></p>'; 2585: } 2586: if (&feedback_available(0,0,1)) { 2587: $msgoptions.= 2588: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2589: ($optionhash{'policy'}?$optionhash{'policy'}:&mt('Question/Comment/Feedback about course policy')). 2590: '</label></p>'; 2591: } 2592: } 2593: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2594: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2595: if (!$blocked && &discussion_open(undef,$symb) && 2596: &Apache::lonnet::allowed('pch', 2597: $env{'request.course.id'}. 2598: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2599: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2600: &mt('Contribution to course discussion of resource'); 2601: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2602: &mt('Anonymous contribution to course discussion of resource'). 2603: ' <i>('.&mt('name only visible to course faculty').')</i></label> '. 2604: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2605: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2606: if (!$blockblog) { 2607: $discussoptions.= &add_blog_checkbox(); 2608: } 2609: } 2610: } 2611: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2612: if ($discussoptions) { 2613: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2614: return $msgoptions.$discussoptions; 2615: } 2616: 2617: sub resource_output { 2618: my ($feedurl) = @_; 2619: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2620: $usersaw=~s/\<body[^\>]*\>//gi; 2621: $usersaw=~s/\<\/body\>//gi; 2622: $usersaw=~s/\<html\>//gi; 2623: $usersaw=~s/\<\/html\>//gi; 2624: $usersaw=~s/\<head\>//gi; 2625: $usersaw=~s/\<\/head\>//gi; 2626: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2627: return $usersaw; 2628: } 2629: 2630: sub clear_out_html { 2631: my ($message,$override,$ignore_htmlarea)=@_; 2632: if (!$ignore_htmlarea 2633: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2634: # Always allow the <m>-tag 2635: my %html=(M=>1); 2636: # Check if more is allowed 2637: my $cid=$env{'request.course.id'}; 2638: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2639: ($override)) { 2640: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2641: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2642: # <SUP> 2643: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2644: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2645: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2646: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2647: } 2648: # Do the substitution of everything that is not explicitly allowed 2649: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2650: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2651: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2652: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2653: return $message; 2654: } 2655: 2656: sub assemble_email { 2657: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2658: my %lt = &Apache::lonlocal::texthash( 2659: 'prev' => 'Previous attempts of student (if applicable)', 2660: 'orig' => 'Original screen output (if applicable)', 2661: 'corr' => 'Correct Answer(s) (if applicable)', 2662: ); 2663: my $email=<<"ENDEMAIL"; 2664: $message 2665: ENDEMAIL 2666: my $citations=<<"ENDCITE"; 2667: <h2>$lt{'prev'}</h2> 2668: $prevattempts 2669: <br /><hr /> 2670: <h2>$lt{'orig'}</h2> 2671: $usersaw 2672: <h2>$lt{'corr'}</h2> 2673: $useranswer 2674: ENDCITE 2675: return ($email,$citations); 2676: } 2677: 2678: 2679: sub feedback_available { 2680: my ($question,$course,$policy)=@_; 2681: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2682: $course,$policy); 2683: return scalar(%to); 2684: } 2685: 2686: sub send_msg { 2687: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2688: my $status=''; 2689: my $sendsomething=0; 2690: my $restitle = &get_resource_title($symb,$feedurl); 2691: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2692: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2693: foreach my $key (keys(%to)) { 2694: if ($key) { 2695: my ($user,$domain) = split(/\:/,$key,2); 2696: if (!defined($user)) { 2697: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2698: } elsif (!defined($domain)) { 2699: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2700: } else { 2701: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2702: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2703: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2704: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2705: } else { 2706: $sendsomething++; 2707: } 2708: } 2709: } 2710: } 2711: 2712: 2713: my %record=&Apache::lonnet::restore('_feedback'); 2714: my ($temp)=keys(%record); 2715: unless ($temp=~/^error\:/) { 2716: my %newrecord=(); 2717: $newrecord{'resource'}=$feedurl; 2718: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2719: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2720: $status.='<br />'.&mt('Not registered').'<br />'; 2721: } 2722: } 2723: 2724: return ($status,$sendsomething); 2725: } 2726: 2727: sub adddiscuss { 2728: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2729: my $status=''; 2730: my $realsymb; 2731: if ($symb=~/^bulletin___/) { 2732: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2733: $filename=~s|^adm/wrapper/||; 2734: $realsymb=&Apache::lonnet::symbread($filename); 2735: } 2736: if (&discussion_open(undef,$realsymb) && 2737: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2738: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2739: 2740: my %contrib=('message' => $email, 2741: 'sendername' => $env{'user.name'}, 2742: 'senderdomain' => $env{'user.domain'}, 2743: 'screenname' => $env{'environment.screenname'}, 2744: 'plainname' => $env{'environment.firstname'}.' '. 2745: $env{'environment.middlename'}.' '. 2746: $env{'environment.lastname'}.' '. 2747: $env{'enrironment.generation'}, 2748: 'attachmenturl'=> $attachmenturl, 2749: 'subject' => $subject); 2750: if ($env{'form.replydisc'}) { 2751: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2752: } 2753: if ($anon) { 2754: $contrib{'anonymous'}='true'; 2755: } 2756: if (($symb) && ($email)) { 2757: my $now = time; 2758: if ($env{'form.editdisc'}) { 2759: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2760: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2761: $contrib{'timestamp'} = $now; 2762: $contrib{'history'} = ''; 2763: my $numoldver = 0; 2764: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2765: &Apache::lonenc::check_decrypt(\$oldsymb); 2766: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2767: # get timestamp for last post and history 2768: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2769: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2770: $env{'course.'.$env{'request.course.id'}.'.num'}); 2771: if (defined($oldcontrib{$oldidx.':replyto'})) { 2772: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2773: } 2774: if (defined($oldcontrib{$oldidx.':history'})) { 2775: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2776: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2777: $numoldver = @oldversions; 2778: } else { 2779: $numoldver = 1; 2780: } 2781: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2782: } 2783: my $numnewver = $numoldver + 1; 2784: if (defined($oldcontrib{$oldidx.':subject'})) { 2785: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2786: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2787: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2788: } else { 2789: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2790: } 2791: } 2792: if (defined($oldcontrib{$oldidx.':message'})) { 2793: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2794: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2795: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2796: } else { 2797: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2798: } 2799: } 2800: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2801: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2802: $oldsymb,$oldidx,\%contrib, 2803: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2804: $env{'course.'.$env{'request.course.id'}.'.num'}); 2805: $status='Editing class discussion'.($anon?' (anonymous)':''); 2806: } else { 2807: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2808: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2809: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2810: $env{'course.'.$env{'request.course.id'}.'.num'}); 2811: } 2812: my %storenewentry=($symb => $now); 2813: $status.='<br />'.&mt('Updating discussion time').': '. 2814: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2815: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2816: $env{'course.'.$env{'request.course.id'}.'.num'}); 2817: } 2818: my %record=&Apache::lonnet::restore('_discussion'); 2819: my ($temp)=keys(%record); 2820: unless ($temp=~/^error\:/) { 2821: my %newrecord=(); 2822: $newrecord{'resource'}=$symb; 2823: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2824: $status.='<br />'.&mt('Registering').': '. 2825: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2826: } 2827: } else { 2828: $status.='Failed.'; 2829: } 2830: return $status.'<br />'; 2831: } 2832: 2833: sub get_discussion_info { 2834: my ($idx,%contrib) = @_; 2835: my $changelast = 0; 2836: my $count = 0; 2837: my $hiddenflag = 0; 2838: my $deletedflag = 0; 2839: my ($hidden,$deleted,%info,$newlastdisc); 2840: my $version = $contrib{'version'}; 2841: if ($version) { 2842: for (my $id=$version; $id>0; $id--) { 2843: my $vkeys=$contrib{$id.':keys'}; 2844: my @keys=split(/:/,$vkeys); 2845: if (grep(/^hidden$/,@keys)) { 2846: if (!$hiddenflag) { 2847: $hidden = $contrib{$id.':hidden'}; 2848: $hiddenflag = 1; 2849: } 2850: } elsif (grep(/^deleted$/,@keys)) { 2851: if (!$deletedflag) { 2852: $deleted = $contrib{$id.':deleted'}; 2853: $deletedflag = 1; 2854: } 2855: } else { 2856: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2857: $count++; 2858: $info{$count}{'id'} = $id; 2859: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2860: } 2861: } 2862: } 2863: if ($info{'1'}{'id'} == $idx) { 2864: $changelast = 1; 2865: if ($count > 1) { 2866: $newlastdisc = $info{'2'}{'timestamp'}; 2867: } else { 2868: $newlastdisc = 0; 2869: } 2870: } 2871: } 2872: return ($changelast,$newlastdisc); 2873: } 2874: 2875: # ----------------------------------------------------------- Preview function 2876: 2877: sub show_preview { 2878: my ($r) = @_; 2879: &Apache::loncommon::content_type($r,'text/html'); 2880: $r->send_http_header; 2881: my $start_page= 2882: &Apache::loncommon::start_page('Preview',undef, 2883: {'only_body' => 1,}); 2884: 2885: my $message=&clear_out_html($env{'form.comment'}); 2886: &newline_to_br(\$message); 2887: $message=&Apache::lonspeller::markeduptext($message); 2888: $message=&Apache::lontexconvert::msgtexconverted($message); 2889: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2890: $subject=~s/\n/\<br \/\>/g; 2891: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2892: 2893: my $end_page = &Apache::loncommon::end_page(); 2894: 2895: $r->print($start_page 2896: .'<h1>'.&mt('Preview').'</h1>' 2897: .&Apache::lonhtmlcommon::start_pick_box() 2898: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2899: .$subject 2900: .&Apache::lonhtmlcommon::row_closure() 2901: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2902: .$message 2903: .&Apache::lonhtmlcommon::row_closure(1) 2904: .&Apache::lonhtmlcommon::end_pick_box() 2905: .$end_page 2906: ); 2907: } 2908: 2909: 2910: sub newline_to_br { 2911: my ($message)=@_; 2912: my $newmessage; 2913: my $parser=HTML::LCParser->new($message); 2914: while (my $token=$parser->get_token()) { 2915: if ($token->[0] eq 'T') { 2916: my $text=$token->[1]; 2917: $text=~s/\n/\<br \/\>/g; 2918: $newmessage.=$text; 2919: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2920: $newmessage.=$token->[1]; 2921: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2922: $newmessage.=$token->[2]; 2923: } elsif ($token->[0] eq 'S') { 2924: $newmessage.=$token->[4]; 2925: } 2926: 2927: } 2928: $$message=$newmessage; 2929: } 2930: 2931: sub generate_preview_button { 2932: my ($formname,$fieldname)=@_; 2933: unless ($formname) { $formname='mailform'; } 2934: unless ($fieldname) { $fieldname='comment'; } 2935: my $pre=&mt("Show Preview and Check Spelling"); 2936: return(<<ENDPREVIEW); 2937: <br /> 2938: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2939: <input type="hidden" name="subject" /> 2940: <input type="hidden" name="comment" /> 2941: <input type="button" value="$pre" 2942: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 2943: </form> 2944: ENDPREVIEW 2945: } 2946: 2947: sub modify_attachments { 2948: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 2949: $attachmaxtext,$toolarge)=@_; 2950: 2951: my %lt = &Apache::lonlocal::texthash( 2952: 'subj' => 'Subject', 2953: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 2954: 'chth' => 'Check the checkboxes for any you wish to remove.', 2955: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 2956: 'adda' => 'Add a new attachment to this post.', 2957: 'stch' => 'Save Changes', 2958: ); 2959: my $js = <<END; 2960: <script type="text/javascript"> 2961: function setAction () { 2962: document.modattachments.action = document.modattachments.origpage.value; 2963: document.modattachments.submit(); 2964: } 2965: </script> 2966: END 2967: 2968: my $start_page = 2969: &Apache::loncommon::start_page('Discussion Post Attachments',$js); 2970: 2971: my $orig_subject = &unescape($env{'form.subject'}); 2972: my $subject=&clear_out_html($orig_subject,undef,1); 2973: $subject=~s/\n/\<br \/\>/g; 2974: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2975: my $timestamp=$env{'form.timestamp'}; 2976: my $numoldver=$env{'form.numoldver'}; 2977: 2978: my $msg = ''; 2979: my %attachments = (); 2980: my %currattach = (); 2981: if ($idx) { 2982: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2983: } 2984: &Apache::lonenc::check_encrypt(\$symb); 2985: 2986: my $end_page = 2987: &Apache::loncommon::end_page(); 2988: 2989: $r->print(<<END); 2990: $start_page 2991: $toolarge 2992: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2993: <br /> 2994: <table class="LC_data_table"> 2995: <tr> 2996: <td colspan="2"> 2997: <b>Subject:</b> $subject</b><br /><br /> 2998: END 2999: if ($idx) { 3000: if ($attachmenturls) { 3001: my @currold = keys(%currattach); 3002: if (@currold > 0) { 3003: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3004: foreach my $id (@currold) { 3005: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3006: $attachurl =~ m#/([^/]+)$#; 3007: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3008: } 3009: $r->print("<br />"); 3010: } 3011: } 3012: } 3013: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3014: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3015: foreach my $attach (@{$currnewattach}) { 3016: $attach =~ m#/([^/]+)$#; 3017: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3018: } 3019: $r->print("<br />"); 3020: } 3021: $r->print(<<END); 3022: </td></tr> 3023: <tr> 3024: <td> 3025: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 3026: </td> 3027: </tr> 3028: <tr> 3029: <td colspan="2">$attachmaxtext</td> 3030: </tr> 3031: </table> 3032: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3033: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3034: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3035: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3036: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3037: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3038: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3039: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3040: END 3041: foreach my $item (@{$currnewattach}) { 3042: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3043: } 3044: foreach my $item (@{$currdelold}) { 3045: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3046: } 3047: $r->print(<<END); 3048: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()" /> 3049: </form> 3050: $end_page 3051: END 3052: return; 3053: } 3054: 3055: sub process_attachments { 3056: my ($currnewattach,$currdelold,$keepold) = @_; 3057: 3058: @{$currnewattach}= 3059: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3060: @{$currdelold}= 3061: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3062: if (exists($env{'form.delnewattach'})) { 3063: my @currdelnew = 3064: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3065: my @currnew = (); 3066: foreach my $newone (@{$currnewattach}) { 3067: my $delflag = 0; 3068: foreach my $item (@currdelnew) { 3069: if ($newone eq $item) { 3070: $delflag = 1; 3071: last; 3072: } 3073: } 3074: unless ($delflag) { 3075: push(@currnew, $newone); 3076: } 3077: } 3078: @{$currnewattach} = @currnew; 3079: } 3080: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3081: } 3082: 3083: sub generate_attachments_button { 3084: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3085: $numoldver,$mode,$blockblog) = @_; 3086: my $origpage = $ENV{'REQUEST_URI'}; 3087: my $att=$attachnum.' '.&mt("attachments"); 3088: my %lt = &Apache::lonlocal::texthash( 3089: 'clic' => 'Click to add/remove attachments', 3090: ); 3091: my $response = (<<END); 3092: <br /> 3093: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3094: $lt{'clic'}: <input type="button" value="$att" 3095: 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); 3096: END 3097: if (!$blockblog) { 3098: $response .= 'setblogvalue();'; 3099: } 3100: unless ($mode eq 'board') { 3101: $response .= 'javascript:anonchk();'; 3102: } 3103: $response .= (<<ENDATTACH); 3104: this.form.submit();" /> 3105: <input type="hidden" name="origpage" value="$origpage" /> 3106: <input type="hidden" name="idx" value="$idx" /> 3107: <input type="hidden" name="timestamp" value="$now" /> 3108: <input type="hidden" name="subject" /> 3109: <input type="hidden" name="comment" /> 3110: <input type="hidden" name="blog" value = "0" /> 3111: <input type="hidden" name="discuss" value = "0" /> 3112: <input type="hidden" name="numoldver" value="$numoldver" /> 3113: ENDATTACH 3114: if (defined($deloldattach)) { 3115: if (@{$deloldattach} > 0) { 3116: foreach my $delatt (@{$deloldattach}) { 3117: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3118: } 3119: } 3120: } 3121: if (defined($currnewattach)) { 3122: if (@{$currnewattach} > 0) { 3123: foreach my $attach (@{$currnewattach}) { 3124: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3125: } 3126: } 3127: } 3128: $response .= '</form>'; 3129: return $response; 3130: } 3131: 3132: sub extract_attachments { 3133: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3134: %{$attachments}=(); 3135: &get_post_attachments($attachments,$attachmenturls); 3136: foreach my $id (sort(keys(%{$attachments}))) { 3137: if (exists($$attachments{$id}{$numoldver})) { 3138: if (defined($currdelold)) { 3139: if (@{$currdelold} > 0) { 3140: unless (grep/^$id$/,@{$currdelold}) { 3141: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3142: } 3143: } else { 3144: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3145: } 3146: } else { 3147: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3148: } 3149: } 3150: } 3151: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3152: if (@attached == 1) { 3153: my $id = $attached[0]; 3154: my $attachurl; 3155: if ($attachmenturls =~ m/^<attachment id="0">/) { 3156: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3157: } else { 3158: $attachurl = $$attachments{$id}{'filename'}; 3159: } 3160: $attachurl=~m|/([^/]+)$|; 3161: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3162: $1.'</tt></a><br />'; 3163: &Apache::lonnet::allowuploaded('/adm/feedback', 3164: $attachurl); 3165: } elsif (@attached > 1) { 3166: $$message.='<ol>'; 3167: foreach my $attach (@attached) { 3168: my $id = $attach; 3169: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3170: my ($fname) 3171: =($attachurl=~m|/([^/]+)$|); 3172: $$message .= '<li><a href="'.$attachurl. 3173: '"><tt>'. 3174: $fname.'</tt></a></li>'; 3175: &Apache::lonnet::allowuploaded('/adm/feedback', 3176: $attachurl); 3177: } 3178: $$message .= '</ol>'; 3179: } 3180: } 3181: 3182: sub construct_attachmenturl { 3183: my ($currnewattach,$keepold,$symb,$idx)=@_; 3184: my $oldattachmenturl; 3185: my $newattachmenturl; 3186: my $startnum = 0; 3187: my $currver = 0; 3188: if (($env{'form.editdisc'}) && ($idx)) { 3189: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3190: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3191: $env{'course.'.$env{'request.course.id'}.'.num'}); 3192: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3193: if ($contrib{$idx.':history'}) { 3194: if ($contrib{$idx.':history'} =~ /:/) { 3195: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3196: $currver = 1 + scalar(@oldversions); 3197: } else { 3198: $currver = 2; 3199: } 3200: } else { 3201: $currver = 1; 3202: } 3203: if ($oldattachmenturl) { 3204: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3205: my %attachments = (); 3206: my $prevver = $currver-1; 3207: &get_post_attachments(\%attachments,$oldattachmenturl); 3208: my $numattach = scalar(keys(%attachments)); 3209: $startnum += $numattach; 3210: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3211: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3212: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3213: unless ($item eq 'filename') { 3214: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3215: } 3216: } 3217: if (grep/^$num$/,@{$keepold}) { 3218: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3219: } 3220: $newattachmenturl .= '</attachment>'; 3221: } 3222: } else { 3223: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3224: unless (grep/^0$/,@{$keepold}) { 3225: $newattachmenturl .= '<post id="1">n</post>'; 3226: } 3227: $newattachmenturl .= '</attachment>'; 3228: $startnum ++; 3229: } 3230: } 3231: } 3232: for (my $i=0; $i<@{$currnewattach}; $i++) { 3233: my $attachnum = $startnum + $i; 3234: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3235: } 3236: return $newattachmenturl; 3237: } 3238: 3239: sub add_blog_checkbox { 3240: my ($checkstatus); 3241: if ($env{'form.blog'}) { 3242: $checkstatus = 'checked="checked"'; 3243: } 3244: my $output = ' 3245: <script type="text/javascript"> 3246: function setblogvalue() { 3247: if (document.mailform.blog.checked) { 3248: document.attachment.blog.value = 1; 3249: } else { 3250: document.attachment.blog.value = 0; 3251: } 3252: } 3253: </script><br /> 3254: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '. 3255: &mt('Add to my public course blog').'</label><br />'."\n"; 3256: return $output; 3257: } 3258: 3259: sub has_discussion { 3260: my $resourcesref = shift; 3261: my $navmap = Apache::lonnavmaps::navmap->new(); 3262: if (defined($navmap)) { 3263: my @allres=$navmap->retrieveResources(); 3264: foreach my $resource (@allres) { 3265: if ($resource->hasDiscussion()) { 3266: my $ressymb = $resource->wrap_symb(); 3267: if (ref($resourcesref) eq 'ARRAY') { 3268: push(@{$resourcesref}, $ressymb); 3269: } 3270: } 3271: } 3272: } else { 3273: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3274: } 3275: return; 3276: } 3277: 3278: sub sort_filter_names { 3279: my ($sort_types,$role_types,$status_types) = @_; 3280: %{$sort_types} = ( 3281: ascdate => 'Date order - oldest first', 3282: descdate => 'Date order - newest first', 3283: thread => 'Threaded', 3284: subject => 'By subject', 3285: username => 'By domain and username', 3286: lastfirst => 'By last name, first name' 3287: ); 3288: %{$role_types} = ( 3289: all => 'All roles', 3290: st => 'Students', 3291: cc => 'Course Coordinators', 3292: in => 'Instructors', 3293: ta => 'TAs', 3294: ep => 'Exam proctors', 3295: ad => 'Administrators', 3296: cr => 'Custom roles' 3297: ); 3298: %{$status_types} = ( 3299: all => 'Roles of any status', 3300: Active => 'Only active roles', 3301: Expired => 'Only past roles', 3302: Future => 'Only future roles', 3303: ); 3304: } 3305: 3306: sub handler { 3307: my $r = shift; 3308: if ($r->header_only) { 3309: &Apache::loncommon::content_type($r,'text/html'); 3310: $r->send_http_header; 3311: return OK; 3312: } 3313: 3314: # --------------------------- Get query string for limited number of parameters 3315: 3316: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3317: ['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']); 3318: my $group = $env{'form.group'}; 3319: my %attachmax = ( 3320: text => &mt('(128 KB max size)'), 3321: num => 131072, 3322: ); 3323: if ($env{'form.editdisc'}) { 3324: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3325: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3326: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3327: my $feedurl=&Apache::lonnet::clutter($url); 3328: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3329: undef,undef,undef,$group); 3330: return OK; 3331: } 3332: } 3333: if ($env{'form.discsymb'}) { 3334: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3335: my $readkey = $symb.'_read'; 3336: my $chgcount = 0; 3337: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3338: foreach my $key (keys(%env)) { 3339: if ($key =~ m/^form\.postunread_(\d+)/) { 3340: if ($readinghash{$readkey} =~ /\.$1\./) { 3341: $readinghash{$readkey} =~ s/\.$1\.//; 3342: $chgcount ++; 3343: } 3344: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3345: unless ($readinghash{$readkey} =~ /\.$1\./) { 3346: $readinghash{$readkey} .= '.'.$1.'.'; 3347: $chgcount ++; 3348: } 3349: } 3350: } 3351: if ($chgcount > 0) { 3352: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3353: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3354: } 3355: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3356: '0','0','','',$env{'form.previous'},'','','', 3357: undef,undef,undef,$group); 3358: return OK; 3359: } 3360: if ($env{'form.allversions'}) { 3361: &Apache::loncommon::content_type($r,'text/html'); 3362: &Apache::loncommon::no_cache($r); 3363: $r->send_http_header; 3364: 3365: $r->print(&Apache::loncommon::start_page('Discussion Post Versions')); 3366: 3367: my $crs='/'.$env{'request.course.id'}; 3368: if ($env{'request.course.sec'}) { 3369: $crs.='_'.$env{'request.course.sec'}; 3370: } 3371: $crs=~s|_|/|g; 3372: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3373: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3374: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3375: ($symb)=&get_feedurl_and_clean_symb($symb); 3376: my $ressymb = &wrap_symb($symb); 3377: my $group = $env{'form.group'}; 3378: my $seeid; 3379: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3380: if (&check_group_priv($group,'dgp') eq 'ok') { 3381: $seeid = 1; 3382: } 3383: } else { 3384: $seeid = &Apache::lonnet::allowed('rin',$crs); 3385: } 3386: if ($idx > 0) { 3387: my %messages = (); 3388: my %subjects = (); 3389: my %attachmsgs = (); 3390: my %allattachments = (); 3391: my %imsfiles = (); 3392: my ($screenname,$plainname); 3393: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3394: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3395: $env{'course.'.$env{'request.course.id'}.'.num'}); 3396: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3397: } 3398: $r->print(&Apache::loncommon::end_page()); 3399: return OK; 3400: } 3401: if ($env{'form.posterlist'}) { 3402: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3403: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3404: $env{'form.sortposts'}); 3405: return OK; 3406: } 3407: if ($env{'form.userpick'}) { 3408: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3409: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3410: my $numpicks = @posters; 3411: my %discinfo; 3412: $discinfo{$symb.'_userpick'} = join('&',@posters); 3413: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3414: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3415: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3416: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3417: '',$numpicks,$group); 3418: return OK; 3419: } 3420: if ($env{'form.applysort'}) { 3421: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3422: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3423: '',$env{'form.previous'},$env{'form.sortposts'}, 3424: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3425: $env{'form.sectionpick'},$env{'form.grouppick'}, 3426: undef,$group); 3427: return OK; 3428: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3429: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3430: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3431: return OK; 3432: } elsif ($env{'form.navtime'}) { 3433: my %discinfo = (); 3434: my @resources = (); 3435: if (defined($env{'form.navmaps'})) { 3436: if ($env{'form.navmaps'} =~ /:/) { 3437: @resources = split(/:/,$env{'form.navmaps'}); 3438: } else { 3439: @resources = ("$env{'form.navmaps'}"); 3440: } 3441: } else { 3442: &has_discussion(\@resources); 3443: } 3444: my $numitems = @resources; 3445: my $feedurl = '/adm/navmaps'; 3446: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3447: my %lt = &Apache::lonlocal::texthash( 3448: 'mnpa' => 'Marked "New" posts as read in a total of', 3449: 'robb' => 'resources/bulletin boards.', 3450: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3451: ); 3452: foreach my $res (@resources) { 3453: my $ressymb=$res; 3454: &Apache::lonenc::check_decrypt(\$ressymb); 3455: my $lastkey = $ressymb.'_lastread'; 3456: $discinfo{$lastkey} = $env{'form.navtime'}; 3457: } 3458: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3459: if ($numitems > 0) { 3460: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3461: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3462: } else { 3463: $textline = "<b>$lt{'twnp'}</b>"; 3464: } 3465: &Apache::loncommon::content_type($r,'text/html'); 3466: $r->send_http_header; 3467: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3468: my %onload; 3469: if ($env{'environment.remote'} ne 'off') { 3470: $onload{'onload'} = 3471: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3472: } 3473: 3474: my $start_page= 3475: &Apache::loncommon::start_page('New posts marked as read',undef, 3476: {'redirect' => [2,$feedurl], 3477: 'only_body' => 1, 3478: 'add_entries' => \%onload}); 3479: my $end_page = &Apache::loncommon::end_page(); 3480: $r->print (<<ENDREDIR); 3481: $start_page 3482: <img align="right" src="$logo" /> 3483: $textline 3484: <form name="reldt" action="$feedurl" target="loncapaclient"> 3485: </form> 3486: <br /> 3487: $end_page 3488: ENDREDIR 3489: return OK; 3490: } elsif ($env{'form.modifydisp'}) { 3491: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3492: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3493: split(/_/,$env{'form.changes'}); 3494: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3495: $dispchgB,$markchg,$toggchg,$feedurl); 3496: return OK; 3497: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3498: $env{'form.allposts'} || $env{'form.onlyunread'} || 3499: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3500: $env{'form.toggon'} || $env{'form.markread'}) { 3501: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3502: my %discinfo; 3503: # ------------------------ Modify setting for read/unread toggle for each post 3504: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3505: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3506: # --------- Modify setting for identification of 'NEW' posts in this discussion 3507: if ($env{'form.markondisp'}) { 3508: $discinfo{$symb.'_lastread'} = time; 3509: $discinfo{$symb.'_markondisp'} = 1; 3510: } 3511: if ($env{'form.markonread'}) { 3512: if ( $env{'form.previous'} > 0 ) { 3513: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3514: } 3515: $discinfo{$symb.'_markondisp'} = 0; 3516: } 3517: # --------------------------------- Modify display setting for this discussion 3518: if ($env{'form.allposts'}) { 3519: $discinfo{$symb.'_showonlyunread'} = 0; 3520: $discinfo{$symb.'_showonlyunmark'} = 0; 3521: } 3522: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3523: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3524: # ----------------------------------------------------- Mark new posts not NEW 3525: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3526: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3527: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3528: my $previous=$env{'form.previous'}; 3529: if ($env{'form.markondisp'}) { $previous=undef; } 3530: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3531: '0','0','','',$previous,'','','','','','',$group); 3532: return OK; 3533: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3534: # ----------------------------------------------------------------- Hide/unhide 3535: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3536: my ($symb,$idx)=split(/\:\:\:/,$entry); 3537: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3538: 3539: my $crs='/'.$env{'request.course.id'}; 3540: if ($env{'request.course.sec'}) { 3541: $crs.='_'.$env{'request.course.sec'}; 3542: } 3543: $crs=~s/\_/\//g; 3544: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3545: 3546: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3547: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3548: undef,undef,$group,); 3549: return OK; 3550: } 3551: 3552: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3553: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3554: $env{'course.'.$env{'request.course.id'}.'.num'}); 3555: 3556: my $currenthidden=$contrib{'hidden'}; 3557: my $currentstudenthidden=$contrib{'studenthidden'}; 3558: 3559: if ($env{'form.hide'}) { 3560: $currenthidden.='.'.$idx.'.'; 3561: unless ($seeid) { 3562: $currentstudenthidden.='.'.$idx.'.'; 3563: } 3564: } else { 3565: $currenthidden=~s/\.$idx\.//g; 3566: } 3567: my %newhash=('hidden' => $currenthidden); 3568: if ( ($env{'form.hide'}) && (!$seeid) ) { 3569: $newhash{'studenthidden'} = $currentstudenthidden; 3570: } 3571: if ($env{'form.hide'}) { 3572: my $changelast = 0; 3573: my $newlast; 3574: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3575: if ($changelast) { 3576: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3577: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3578: $env{'course.'.$env{'request.course.id'}.'.num'}); 3579: } 3580: } 3581: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3582: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3583: $env{'course.'.$env{'request.course.id'}.'.num'}); 3584: 3585: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3586: '0','0','','',$env{'form.previous'},undef,undef,undef, 3587: undef,undef,undef,$group); 3588: return OK; 3589: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3590: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3591: if ($env{'form.cmd'} eq 'threadedon') { 3592: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3593: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3594: } else { 3595: &Apache::lonnet::del('environment',['threadeddiscussion']); 3596: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3597: } 3598: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3599: '0','0','','',$env{'form.previous'},undef,undef,undef, 3600: undef,undef,undef,$group); 3601: return OK; 3602: } elsif ($env{'form.deldisc'}) { 3603: # --------------------------------------------------------------- Hide for good 3604: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3605: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3606: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3607: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3608: $env{'course.'.$env{'request.course.id'}.'.num'}); 3609: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3610: if ($changelast) { 3611: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3612: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3613: } 3614: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3615: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3616: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3617: $env{'course.'.$env{'request.course.id'}.'.num'}); 3618: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3619: '0','0','','',$env{'form.previous'},undef,undef,undef, 3620: undef,undef,undef,$group); 3621: return OK; 3622: } elsif ($env{'form.preview'}) { 3623: # -------------------------------------------------------- User wants a preview 3624: &show_preview($r); 3625: return OK; 3626: } elsif ($env{'form.attach'}) { 3627: # -------------------------------------------------------- Work on attachments 3628: &Apache::loncommon::content_type($r,'text/html'); 3629: $r->send_http_header; 3630: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3631: my (@currnewattach,@currdelold,@keepold,$toolarge); 3632: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3633: if (exists($env{'form.addnewattach.filename'})) { 3634: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3635: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3636: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3637: push(@currnewattach, $newattachment); 3638: } else { 3639: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3640: } 3641: } 3642: my $attachmenturls; 3643: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3644: my $idx = $env{'form.idx'}; 3645: if ($idx) { 3646: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3647: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3648: $env{'course.'.$env{'request.course.id'}.'.num'}); 3649: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3650: } 3651: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3652: $attachmenturls,$attachmax{'text'},$toolarge); 3653: return OK; 3654: } elsif ($env{'form.export'}) { 3655: &Apache::loncommon::content_type($r,'text/html'); 3656: $r->send_http_header; 3657: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3658: my $mode='board'; 3659: my $status='OPEN'; 3660: my $previous=$env{'form.previous'}; 3661: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3662: $mode='problem'; 3663: $status=$Apache::inputtags::status[-1]; 3664: } 3665: my $discussion = &list_discussion($mode,$status,$symb); 3666: my $start_page = 3667: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3668: my $end_page = 3669: &Apache::loncommon::end_page(); 3670: $r->print($start_page.$discussion.$end_page); 3671: return OK; 3672: } else { 3673: # ------------------------------------------------------------- Normal feedback 3674: my $feedurl=$env{'form.postdata'}; 3675: $feedurl=~s/^https?\:\/\///; 3676: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3677: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3678: $feedurl=~s/\?.+$//; 3679: 3680: my $symb; 3681: if ($env{'form.replydisc'}) { 3682: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3683: } elsif ($env{'form.editdisc'}) { 3684: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3685: } elsif ($env{'form.origpage'}) { 3686: $symb=""; 3687: } else { 3688: $symb=&Apache::lonnet::symbread($feedurl); 3689: } 3690: unless ($symb) { 3691: $symb=$env{'form.symb'}; 3692: } 3693: if (defined($symb)) { 3694: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3695: } else { 3696: # backward compatibility (bulletin boards used to be 'wrapped') 3697: &Apache::lonenc::check_decrypt(\$feedurl); 3698: &dewrapper(\$feedurl); 3699: } 3700: my $goahead=1; 3701: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3702: unless ($symb) { $goahead=0; } 3703: } 3704: if (!$goahead) { 3705: # Ambiguous Problem Resource 3706: $r->internal_redirect('/adm/ambiguous'); 3707: return OK; 3708: } 3709: # Go ahead with feedback, no ambiguous reference 3710: unless ( 3711: ( 3712: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3713: ) 3714: || 3715: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3716: || 3717: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3718: ) { 3719: &Apache::loncommon::content_type($r,'text/html'); 3720: $r->send_http_header; 3721: # Unable to give feedback 3722: &Apache::lonenc::check_encrypt(\$feedurl); 3723: &no_redirect_back($r,$feedurl); 3724: return OK; 3725: } 3726: # --------------------------------------------------- Print login screen header 3727: unless ($env{'form.sendit'}) { 3728: &Apache::lonenc::check_encrypt(\$feedurl); 3729: &Apache::loncommon::content_type($r,'text/html'); 3730: $r->send_http_header; 3731: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3732: my ($blocked,$blocktext) = 3733: &Apache::loncommon::blocking_status('boards'); 3734: if ($blocked) { 3735: $r->print(&blocked_reply_or_edit($blocktext)); 3736: return OK; 3737: } 3738: } 3739: my $options=&screen_header($feedurl,$symb); 3740: if ($options) { 3741: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3742: } else { 3743: &fail_redirect($r,$feedurl); 3744: } 3745: return OK; 3746: } 3747: 3748: # Get previous user input 3749: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3750: $symb,$env{'user.name'},$env{'user.domain'}, 3751: $env{'request.course.id'}); 3752: 3753: # Get output from resource 3754: &Apache::lonenc::check_encrypt(\$feedurl); 3755: my $usersaw=&resource_output($feedurl); 3756: 3757: # Get resource answer (need to allow student to view grades for this to work) 3758: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3759: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3760: my $useranswer= 3761: &Apache::loncommon::get_student_answers( 3762: $usersymb,$env{'user.name'},$env{'user.domain'}, 3763: $env{'request.course.id'}); 3764: &Apache::lonnet::delenv('allowed.vgr'); 3765: # Get attachments, if any, and not too large 3766: my $attachmenturl=''; 3767: my $toolarge=''; 3768: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3769: ($env{'form.replydisc'})) { 3770: my ($symb,$idx); 3771: if ($env{'form.replydisc'}) { 3772: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3773: } elsif ($env{'form.editdisc'}) { 3774: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3775: } elsif ($env{'form.origpage'}) { 3776: $symb = $env{'form.symb'}; 3777: } 3778: &Apache::lonenc::check_decrypt(\$symb); 3779: my @currnewattach = (); 3780: my @deloldattach = (); 3781: my @keepold = (); 3782: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3783: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3784: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3785: } elsif ($env{'form.attachment.filename'}) { 3786: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3787: my $now = time; 3788: my $subdir = 'feedback/'.$now; 3789: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3790: } else { 3791: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3792: } 3793: } 3794: # Filter HTML out of message (could be nasty) 3795: my $message=&clear_out_html($env{'form.comment'}); 3796: 3797: # Assemble email 3798: my ($email,$citations)=&assemble_email($message,$prevattempts, 3799: $usersaw,$useranswer); 3800: 3801: # Who gets this? 3802: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3803: 3804: # Actually send mail 3805: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3806: undef,1), 3807: $feedurl,$email,$citations, 3808: $attachmenturl,$usersymb,%to); 3809: 3810: # Discussion? Store that. 3811: my $numpost=0; 3812: if ( ($env{'form.discuss'} ne '' 3813: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3814: || $env{'form.anondiscuss'} ne '') { 3815: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3816: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3817: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3818: $subject); 3819: $numpost++; 3820: } 3821: 3822: # Add to blog? 3823: 3824: my $blog=''; 3825: if ($env{'form.blog'}) { 3826: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3827: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3828: $env{'user.domain'}, 3829: 'CourseBlog_'.$env{'request.course.id'}, 3830: $subject,$message,$feedurl,'public'); 3831: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3832: } 3833: 3834: # Receipt screen and redirect back to where came from 3835: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3836: } 3837: return OK; 3838: } 3839: 3840: sub blocked_reply_or_edit { 3841: my ($blocktext) = @_; 3842: return 3843: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3844: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3845: &mt('Back to previous page'). 3846: &Apache::loncommon::end_page(); 3847: } 3848: 3849: sub wrap_symb { 3850: my ($ressymb)=@_; 3851: if ($ressymb =~ /bulletin___\d+___/) { 3852: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3853: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3854: } 3855: } 3856: return $ressymb; 3857: } 3858: sub dewrapper { 3859: my ($feedurl)=@_; 3860: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3861: $$feedurl=~s|^/adm/wrapper||; 3862: } 3863: } 3864: 3865: sub get_feedurl { 3866: my ($symb)=@_; 3867: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3868: my $feedurl = &Apache::lonnet::clutter($url); 3869: &dewrapper(\$feedurl); 3870: return $feedurl; 3871: } 3872: 3873: sub get_feedurl_and_clean_symb { 3874: my ($symb)=@_; 3875: &Apache::lonenc::check_decrypt(\$symb); 3876: # backward compatibility (bulletin boards used to be 'wrapped') 3877: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3878: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3879: } 3880: my $feedurl = &get_feedurl($symb); 3881: return ($symb,$feedurl); 3882: } 3883: 3884: sub editing_allowed { 3885: my ($postid,$group) = @_; 3886: $postid = &unescape($postid); 3887: my $can_edit = 0; 3888: if ($group ne '') { 3889: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3890: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3891: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3892: if (&check_group_priv($group,'egp') eq 'ok') { 3893: $can_edit = 1; 3894: } 3895: return $can_edit; 3896: } 3897: } 3898: my $cid = $env{'request.course.id'}; 3899: my $role = (split(/\./,$env{'request.role'}))[0]; 3900: my $section = $env{'request.course.sec'}; 3901: my $allow_editing_config = 3902: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 3903: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 3904: $can_edit = 1; 3905: } else { 3906: foreach my $editor (split(/,/,$allow_editing_config)) { 3907: my ($editor_role,$editor_sec) = split(/:/,$editor); 3908: if ($editor_role eq $role 3909: && defined($editor_sec) 3910: && defined($section) 3911: && $editor_sec eq $section) { 3912: $can_edit = 1; 3913: last; 3914: } 3915: if ($editor_role eq $role 3916: && !defined($editor_sec)) { 3917: $can_edit = 1; 3918: } 3919: } 3920: } 3921: return $can_edit; 3922: } 3923: 3924: sub check_group_priv { 3925: my ($group,$grp_priv) = @_; 3926: foreach my $priv ('mdg','vcg') { 3927: my $checkcourse = $env{'request.course.id'}. 3928: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 3929: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 3930: return 'ok'; 3931: } 3932: } 3933: if ($grp_priv && $group ne '') { 3934: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 3935: return 'ok'; 3936: } 3937: } 3938: return ''; 3939: } 3940: 3941: sub group_args { 3942: my ($group) = @_; 3943: if ($group eq '') { return ''; } 3944: my $extra_args = '&group='.$group; 3945: if (exists($env{'form.ref'})) { 3946: $extra_args .= '&ref='.$env{'form.ref'}; 3947: } 3948: return $extra_args; 3949: } 3950: 3951: sub get_resource_title { 3952: my ($symb,$feedurl) = @_; 3953: my ($restitle,$plainurl); 3954: if (defined($symb)) { 3955: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 3956: $restitle = &Apache::lonnet::gettitle($plain_symb); 3957: } 3958: if (defined($feedurl)) { 3959: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 3960: } 3961: if (!defined($restitle)) { 3962: if (defined($feedurl)) { 3963: $restitle = &Apache::lonnet::gettitle($plainurl); 3964: } 3965: } 3966: if ($plainurl ne $feedurl) { 3967: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 3968: if ($plain_filename eq $restitle) { 3969: $restitle = &mt('Untitled resource'); 3970: } 3971: } 3972: if ($restitle eq '') { 3973: $restitle = &mt('Untitled resource'); 3974: } 3975: return $restitle; 3976: } 3977: 3978: 1; 3979: __END__ 3980: 3981: 3982: =pod 3983: 3984: =head1 NAME 3985: 3986: Apache::lonfeedback.pm 3987: 3988: =head1 SYNOPSIS 3989: 3990: Handles feedback from students to instructors and system administrators. 3991: 3992: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 3993: 3994: Used by lonmsg.pm. 3995: 3996: This is part of the LearningOnline Network with CAPA project 3997: described at http://www.lon-capa.org. 3998: 3999: =head1 OVERVIEW 4000: 4001: None 4002: 4003: =head1 SUBROUTINES 4004: 4005: =over 4006: 4007: =item discussion_open() 4008: 4009: =item discussion_visible() 4010: 4011: =item list_discussion() 4012: 4013: =item send_feedback_link() 4014: 4015: =item send_message_link() 4016: 4017: =item action_links_bar() 4018: 4019: =item postingform_display() 4020: 4021: =item build_posting_display 4022: 4023: =item filter_regexp() 4024: 4025: =item get_post_contents() 4026: 4027: =item replicate_attachments() 4028: 4029: =item mail_screen() 4030: 4031: =item print_display_options() 4032: 4033: =item print_sortfilter_options() 4034: 4035: =item print_showposters() 4036: 4037: =item get_post_versions() 4038: 4039: =item get_post_attachments() 4040: 4041: =item fail_redirect() 4042: 4043: =item redirect_back() 4044: 4045: =item no_redirect_back() 4046: 4047: =item screen_header() 4048: 4049: =item resource_output() 4050: 4051: =item clear_out_html() 4052: 4053: =item assemble_email() 4054: 4055: =item feedback_available() 4056: 4057: =item send_msg() 4058: 4059: =item adddiscuss() 4060: 4061: =item get_discussion_info() 4062: 4063: =item show_preview() 4064: 4065: =item newline_to_br() 4066: 4067: =item generate_preview_button() 4068: 4069: =item modify_attachments() 4070: 4071: =item process_attachments() 4072: 4073: =item generate_attachments_button() 4074: 4075: =item extract_attachments() 4076: 4077: =item construct_attachmenturl() 4078: 4079: =item add_blog_checkbox() 4080: 4081: =item has_discussion() 4082: 4083: =item sort_filter_names() 4084: 4085: =item handler() 4086: 4087: =item blocked_reply_or_edit() 4088: 4089: =item wrap_symb() 4090: 4091: =item dewrapper() 4092: 4093: =item get_feedurl() 4094: 4095: =item get_feedurl_and_clean_symb() 4096: 4097: =item editing_allowed() 4098: 4099: =item check_group_priv() 4100: 4101: =item group_args() 4102: 4103: =item get_resource_title() 4104: 4105: =back 4106: 4107: =cut