loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.233: download - view: text, annotated - select for diffs
Fri Dec 8 22:35:56 2006 UTC (17 years, 6 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD

&check_encrypt() is needed in more places.  Work in progress.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.233 2006/12/08 22:35:56 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: use 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 &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) = &blocking_posts('boards',1); 104: if ($blocked) { 105: if ($mode ne 'board') { 106: &Apache::lonenc::check_encrypt(\$ressymb); 107: return $blocktext.'<br />'.&send_message_link($ressymb); 108: } 109: } 110: 111: my @bgcols = ("#cccccc","#eeeeee"); 112: my $discussiononly=0; 113: if ($mode eq 'board') { $discussiononly=1; } 114: unless ($env{'request.course.id'}) { return ''; } 115: my $crs='/'.$env{'request.course.id'}; 116: my $cid=$env{'request.course.id'}; 117: if ($env{'request.course.sec'}) { 118: $crs.='_'.$env{'request.course.sec'}; 119: } 120: $crs=~s/\_/\//g; 121: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 122: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 123: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 124: 125: my %usernamesort = (); 126: my %namesort =(); 127: my %subjectsort = (); 128: 129: # Get discussion display settings for this discussion 130: my $lastkey = $ressymb.'_lastread'; 131: my $showkey = $ressymb.'_showonlyunread'; 132: my $markkey = $ressymb.'_showonlyunmark', 133: my $visitkey = $ressymb.'_visit'; 134: my $ondispkey = $ressymb.'_markondisp'; 135: my $userpickkey = $ressymb.'_userpick'; 136: my $toggkey = $ressymb.'_readtoggle'; 137: my $readkey = $ressymb.'_read'; 138: $ressymb=$encsymb; 139: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 140: my %discinfo = (); 141: my $showonlyunread = 0; 142: my $showunmark = 0; 143: my $markondisp = 0; 144: my $prevread = 0; 145: my $previous = 0; 146: my $visit = 0; 147: my $newpostsflag = 0; 148: my @posters = split(/\&/,$dischash{$userpickkey}); 149: 150: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 151: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 152: my $sortposts = $env{'form.sortposts'}; 153: my $statusfilter = $env{'form.statusfilter'}; 154: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 155: my @grouppick = split(/,/,$env{'form.grouppick'}); 156: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 157: 158: my $totposters = $env{'form.totposters'}; 159: $previous = $env{'form.previous'}; 160: if ($previous > 0) { 161: $prevread = $previous; 162: } elsif (defined($dischash{$lastkey})) { 163: unless ($dischash{$lastkey} eq '') { 164: $prevread = $dischash{$lastkey}; 165: } 166: } 167: 168: my $cdom = $env{'course.'.$cid.'.domain'}; 169: my $cnum = $env{'course.'.$cid.'.num'}; 170: 171: # Get information about students and non-students in course for filtering display of posts 172: my %roleshash = (); 173: my %roleinfo = (); 174: my ($classgroups,$studentgroups); 175: if ($env{'form.rolefilter'}) { 176: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 177: foreach my $rolekey (keys(%roleshash)) { 178: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 179: if ($role =~ /^cr/) { 180: $role = 'cr'; 181: } 182: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 183: my $now = time; 184: my $status = 'Active'; 185: if (($now < $start) || ($end > 0 && $now > $end)) { 186: $status = 'Expired'; 187: } 188: if ($uname && $udom) { 189: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 190: } 191: } 192: my ($classlist,$keylist) = 193: &Apache::loncoursedata::get_classlist($cdom,$cnum); 194: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 195: my $status_index = &Apache::loncoursedata::CL_STATUS(); 196: while (my ($student,$data) = each %$classlist) { 197: my ($section,$status) = ($data->[$sec_index], 198: $data->[$status_index]); 199: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 200: } 201: ($classgroups,$studentgroups) = 202: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 203: $cdom,$cnum); 204: } 205: 206: # Get discussion display default settings for user 207: if ($env{'environment.discdisplay'} eq 'unread') { 208: $showonlyunread = 1; 209: } 210: if ($env{'environment.discmarkread'} eq 'ondisp') { 211: $markondisp = 1; 212: } 213: 214: # Override user's default if user specified display setting for this discussion 215: if (defined($dischash{$ondispkey})) { 216: unless ($dischash{$ondispkey} eq '') { 217: $markondisp = $dischash{$ondispkey}; 218: } 219: } 220: if ($markondisp) { 221: $discinfo{$lastkey} = time; 222: } 223: 224: if (defined($dischash{$showkey})) { 225: unless ($dischash{$showkey} eq '') { 226: $showonlyunread = $dischash{$showkey}; 227: } 228: } 229: 230: if (defined($dischash{$markkey})) { 231: unless ($dischash{$markkey} eq '') { 232: $showunmark = $dischash{$markkey}; 233: } 234: } 235: 236: if (defined($dischash{$visitkey})) { 237: unless ($dischash{$visitkey} eq '') { 238: $visit = $dischash{$visitkey}; 239: } 240: } 241: $visit ++; 242: 243: my $seeid; 244: if (($group ne '') && ($mode eq 'board') && 245: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 246: if (&check_group_priv($group,'dgp') eq 'ok') { 247: $seeid = 1; 248: } 249: } else { 250: $seeid=&Apache::lonnet::allowed('rin',$crs); 251: } 252: my @discussionitems=(); 253: my %shown = (); 254: my @posteridentity=(); 255: 256: my $current=0; 257: my $visible=0; 258: my @depth=(); 259: my @replies = (); 260: my %alldiscussion=(); 261: my %imsitems=(); 262: my %imsfiles=(); 263: my %notshown = (); 264: my %newitem = (); 265: my $maxdepth=0; 266: my %anonhash=(); 267: my $anoncnt=0; 268: my $target=''; 269: unless ($env{'browser.interface'} eq 'textual' || 270: $env{'environment.remote'} eq 'off' ) { 271: $target='target="LONcom"'; 272: } 273: 274: my $now = time; 275: $discinfo{$visitkey} = $visit; 276: 277: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 278: &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); 279: 280: my $discussion=''; 281: my $manifestfile; 282: my $manifestok=0; 283: my $tempexport; 284: my $imsresources; 285: my $copyresult; 286: 287: my $function = &Apache::loncommon::get_users_function(); 288: my $color = &Apache::loncommon::designparm($function.'.tabbg', 289: $env{'user.domain'}); 290: my %lt = &Apache::lonlocal::texthash( 291: 'cuse' => 'Current discussion settings', 292: 'allposts' => 'All posts', 293: 'unread' => 'New posts only', 294: 'unmark' => 'Unread only', 295: 'ondisp' => 'Once displayed', 296: 'onmark' => 'Once marked not NEW', 297: 'toggoff' => 'Off', 298: 'toggon' => 'On', 299: 'disa' => 'Posts to be displayed', 300: 'npce' => 'Posts cease to be marked "NEW"', 301: 'epcb' => 'Each post can be toggled read/unread', 302: 'chgt' => 'Change', 303: 'disp' => 'Display', 304: 'nolo' => 'Not new', 305: 'togg' => 'Toggle read/unread', 306: 'aner' => 'An error occurred opening the manifest file.', 307: 'difo' => 'Discussion for', 308: 'aerr' => 'An error occurred opening the export file for posting', 309: 'aysu' => 'Are you sure you want to delete this post?', 310: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 311: 'bwco' => 'but will continue to be visible to your instructor', 312: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 313: ); 314: 315: my $currdisp = $lt{'allposts'}; 316: my $currmark = $lt{'onmark'}; 317: my $currtogg = $lt{'toggoff'}; 318: my $dispchange = $lt{'unread'}; 319: my $markchange = $lt{'ondisp'}; 320: my $toggchange = $lt{'toggon'}; 321: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 322: my $displinkA = 'onlyunread'; 323: my $displinkB = 'onlyunmark'; 324: my $marklink = 'markondisp'; 325: my $togglink = 'toggon'; 326: 327: if ($markondisp) { 328: $currmark = $lt{'ondisp'}; 329: $markchange = $lt{'onmark'}; 330: $marklink = 'markonread'; 331: } 332: 333: if ($showonlyunread) { 334: $currdisp = $lt{'unread'}; 335: $dispchange = $lt{'allposts'}; 336: $displinkA = 'allposts'; 337: } 338: 339: if ($showunmark) { 340: $currdisp = $lt{'unmark'}; 341: $dispchange = $lt{'unmark'}; 342: $displinkA='allposts'; 343: $displinkB='onlyunread'; 344: $showonlyunread = 0; 345: } 346: 347: if ($dischash{$toggkey}) { 348: $currtogg = $lt{'toggon'}; 349: $toggchange = $lt{'toggoff'}; 350: $togglink = 'toggoff'; 351: } 352: 353: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 354: 355: if ($newpostsflag) { 356: $chglink .= '&previous='.$prevread; 357: } 358: $chglink.=&group_args($group); 359: 360: if ($visible) { 361: # Print the discusssion 362: if ($outputtarget eq 'tex') { 363: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 364: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 365: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 366: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 367: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 368: } elsif ($outputtarget eq 'export') { 369: # Create temporary directory if this is an export 370: my $now = time; 371: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 372: $tempexport = $$imsextras{'tempexport'}; 373: if (!-e $tempexport) { 374: mkdir($tempexport,0700); 375: } 376: $tempexport .= '/'.$$imsextras{'count'}; 377: if (!-e $tempexport) { 378: mkdir($tempexport,0700); 379: } 380: } else { 381: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 382: if (!-e $tempexport) { 383: mkdir($tempexport,0700); 384: } 385: $tempexport .= '/'.$now; 386: if (!-e $tempexport) { 387: mkdir($tempexport,0700); 388: } 389: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 390: } 391: if (!-e $tempexport) { 392: mkdir($tempexport,0700); 393: } 394: # open manifest file 395: my $manifest = '/imsmanifest.xml'; 396: my $manifestfilename = $tempexport.$manifest; 397: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 398: $manifestok=1; 399: print $manifestfile qq| 400: <?xml version="1.0" encoding="UTF-8"?> 401: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 402: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 403: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 404: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 405: <organizations default="$ressymb"> 406: <organization identifier="$ressymb"> 407: <title>$lt{'difo'} $ressymb</title>\n|; 408: } else { 409: $discussion .= $lt{'aner'}.'<br />'; 410: } 411: } else { 412: my $colspan=$maxdepth+1; 413: $discussion.= qq| 414: <script> 415: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 416: var symbparm = symb+':::'+idx 417: var prevparm = "" 418: if (newflag == 1) { 419: prevparm = "&previous="+previous 420: } 421: if (caller == 'studentdelete') { 422: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 423: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 424: } 425: } else { 426: if (caller == 'seeiddelete') { 427: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 428: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 429: } 430: } 431: } 432: } 433: </script> 434: |; 435: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" ><table bgcolor="#AAAAAA" cellpadding="2" cellspacing="2" border="0">'; 436: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 437: $newpostsflag,$group, 438: $prevread,$markondisp); 439: my $escsymb=&escape($ressymb); 440: my $numhidden = keys(%notshown); 441: if ($numhidden > 0) { 442: my $colspan = $maxdepth+1; 443: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 444: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 445: if ($newpostsflag) { 446: $discussion .= '&previous='.$prevread; 447: } 448: $discussion .= &group_args($group); 449: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 450: $numhidden.' '; 451: if ($showunmark) { 452: $discussion .= &mt('posts previously marked read'); 453: } else { 454: $discussion .= &mt('previously viewed posts'); 455: } 456: $discussion .= '<br/></td></tr>'; 457: } 458: } 459: 460: # Choose sort mechanism 461: my @showposts = (); 462: if ($sortposts eq 'descdate') { 463: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 464: } elsif ($sortposts eq 'thread') { 465: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 466: } elsif ($sortposts eq 'subject') { 467: foreach my $key (sort(keys(%subjectsort))) { 468: push(@showposts, @{$subjectsort{$key}}); 469: } 470: } elsif ($sortposts eq 'username') { 471: foreach my $domain (sort(keys(%usernamesort))) { 472: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 473: push(@showposts, @{$usernamesort{$domain}{$key}}); 474: } 475: } 476: } elsif ($sortposts eq 'lastfirst') { 477: foreach my $last (sort(keys(%namesort))) { 478: foreach my $key (sort(keys(%{$namesort{$last}}))) { 479: push(@showposts, @{$namesort{$last}{$key}}); 480: } 481: } 482: } else { 483: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 484: } 485: my $currdepth = 0; 486: my $firstidx = $alldiscussion{$showposts[0]}; 487: foreach my $post (@showposts) { 488: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 489: $alldiscussion{$post} = $post; 490: } 491: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 492: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 493: $discussion.="\n<tr>"; 494: } 495: my $thisdepth=$depth[$alldiscussion{$post}]; 496: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 497: for (1..$thisdepth) { 498: $discussion.='<td>   </td>'; 499: } 500: } 501: my $colspan=$maxdepth-$thisdepth+1; 502: if ($outputtarget eq 'tex') { 503: #cleanup block 504: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 505: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 506: my $threadinsert=''; 507: if ($thisdepth > 0) { 508: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 509: } 510: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 511: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 512: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 513: 514: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 515: $discussion.=$discussionitems[$alldiscussion{$post}]; 516: } elsif ($outputtarget eq 'export') { 517: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 518: if ($manifestok) { 519: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 520: print $manifestfile ' </item>'."\n"; 521: } 522: $currdepth = $depth[$alldiscussion{$post}]; 523: print $manifestfile "\n". 524: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 525: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 526: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>'; 527: $imsresources .= "\n". 528: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 529: '<file href="'.$postfilename.'">'."\n". 530: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n". 531: '</resource>'; 532: } 533: my $postingfile; 534: my $postingfilename = $tempexport.'/'.$postfilename; 535: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 536: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 537: $imsitems{$alldiscussion{$post}}{'title'}.' '. 538: $imsitems{$alldiscussion{$post}}{'sender'}. 539: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 540: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 541: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 542: close($postingfile); 543: } else { 544: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 545: } 546: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 547: } else { 548: $discussion.='<td bgcolor="'.$bgcols[$newitem{$alldiscussion{$post}}]. 549: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 550: '</td></tr>'; 551: } 552: } 553: } 554: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 555: my $colspan=$maxdepth+1; 556: $discussion .= <<END; 557: <tr bgcolor="#FFFFFF"> 558: <td colspan="$colspan" valign="top"> 559: <table border="0" bgcolor="#FFFFFF" width="100%" cellspacing="2" cellpadding="2"> 560: <tr> 561: <td align="left"> 562: <table border="0" cellpadding="0" cellspacing="4"> 563: <tr> 564: <td> 565: <font size="-1"><b>$lt{'cuse'}</b>:</td> 566: <td> </td> 567: <td><font size="-1"> 568: END 569: if ($newpostsflag) { 570: $discussion .= 571: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 572: if ($dischash{$toggkey}) { 573: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 574: } 575: } else { 576: if ($dischash{$toggkey}) { 577: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 578: } else { 579: $discussion .= 580: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 581: } 582: } 583: $discussion .= <<END; 584: </font></td> 585: <td> </td> 586: <td align="left"> 587: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 588: </td> 589: </tr> 590: </table> 591: </td> 592: END 593: if ($sortposts) { 594: my %sort_types = (); 595: my %role_types = (); 596: my %status_types = (); 597: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 598: 599: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 600: if (defined($env{'form.totposters'})) { 601: $discussion .= &mt('Posts by').':'; 602: if ($totposters > 0) { 603: foreach my $poster (@posters) { 604: $discussion .= ' '.$poster.','; 605: } 606: $discussion =~ s/,$//; 607: } else { 608: $discussion .= &mt('None selected'); 609: } 610: } else { 611: my $filterchoice =''; 612: if (@sectionpick > 0) { 613: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 614: $filterchoice .= '    '; 615: } 616: if (@grouppick > 0) { 617: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 618: $filterchoice .= '    '; 619: } 620: if (@rolefilter > 0) { 621: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 622: foreach my $role (@rolefilter) { 623: $filterchoice .= ' '.$role_types{$role}.','; 624: } 625: $filterchoice =~ s/,$//; 626: $filterchoice .= '<br /> &nbsp    &nbsp '; 627: } 628: if ($statusfilter) { 629: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 630: } 631: if ($filterchoice) { 632: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 633: } 634: $discussion .= '</font></td>'; 635: } 636: } 637: if ($dischash{$toggkey}) { 638: my $storebutton = &mt('Store read/unread changes'); 639: $discussion.='<td align="right">'. 640: '<input type="hidden" name="discsymb" value="'.$ressymb.'">'."\n". 641: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 642: ' onClick="this.form.submit();">'."\n". 643: '</td>'; 644: } 645: $discussion .= (<<END); 646: </tr> 647: </table> 648: </td> 649: </tr> 650: END 651: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 652: $newpostsflag,$group, 653: $prevread,$markondisp); 654: $discussion .= " 655: </table> 656: <br /><br /></form>\n"; 657: } 658: if ($outputtarget eq 'export') { 659: if ($manifestok) { 660: while ($currdepth > 0) { 661: print $manifestfile " </item>\n"; 662: $currdepth --; 663: } 664: print $manifestfile qq| 665: </organization> 666: </organizations> 667: <resources> 668: $imsresources 669: </resources> 670: </manifest> 671: |; 672: close($manifestfile); 673: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 674: $discussion = $copyresult; 675: } else { 676: 677: #Create zip file in prtspool 678: 679: my $imszipfile = '/prtspool/'. 680: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 681: time.'_'.rand(1000000000).'.zip'; 682: my $cwd = &getcwd(); 683: my $imszip = '/home/httpd/'.$imszipfile; 684: chdir $tempexport; 685: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 686: close(OUTPUT); 687: chdir $cwd; 688: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 689: if ($copyresult) { 690: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 691: } 692: } 693: } else { 694: $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 />'; 695: } 696: return $discussion; 697: } 698: } 699: if ($discussiononly) { 700: my $now = time; 701: my $attachnum = 0; 702: my $currnewattach = []; 703: my $currdelold = []; 704: my $comment = ''; 705: my $subject = ''; 706: if ($env{'form.origpage'}) { 707: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 708: $subject = &unescape($env{'form.subject'}); 709: $comment = &unescape($env{'form.comment'}); 710: my @keepold = (); 711: &process_attachments($currnewattach,$currdelold,\@keepold); 712: if (@{$currnewattach} > 0) { 713: $attachnum += @{$currnewattach}; 714: } 715: } 716: if (&discussion_open($status)) { 717: if (($group ne '') && ($mode eq 'board')) { 718: if (&check_group_priv($group,'pgd') eq 'ok') { 719: $discussion .= 720: &postingform_display($mode,$ressymb,$now,$subject, 721: $comment,$outputtarget,$attachnum, 722: $currnewattach,$currdelold, 723: $group); 724: } 725: } else { 726: $discussion.= 727: &postingform_display($mode,$ressymb,$now,$subject, 728: $comment,$outputtarget,$attachnum, 729: $currnewattach,$currdelold); 730: } 731: } 732: } else { 733: $discussion.='<table class="LC_feedback_link"><tr><td>'; 734: if (&discussion_open($status) && 735: &Apache::lonnet::allowed('pch', 736: $env{'request.course.id'}. 737: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 738: if ($outputtarget ne 'tex') { 739: $discussion.= &send_feedback_link($ressymb,$target). 740: '<br />'; 741: } 742: } 743: if ($outputtarget ne 'tex') { 744: $discussion.= &send_message_link($ressymb); 745: } 746: $discussion.='</td></tr></table>'; 747: } 748: return $discussion; 749: } 750: 751: sub send_feedback_link { 752: my ($ressymb,$target) = @_; 753: my $output = '<span class="LC_feedback_link">'. 754: ' <a href="/adm/feedback?replydisc='. 755: &escape($ressymb).':::" '.$target.'>'. 756: '<img alt="" src="'. 757: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 758: '" border="0" />'.&mt('Post Discussion').'</a></span>'; 759: return $output; 760: } 761: 762: sub send_message_link { 763: my ($ressymb) = @_; 764: my $output = '<span class="LC_feedback_link">'. 765: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 766: &escape($ressymb).'"><img alt="" src="'. 767: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif'). 768: '" border="0" />'.&mt('Send Message').'</a></span>'; 769: return $output; 770: } 771: 772: sub action_links_bar { 773: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 774: my $discussion = '<tr><td bgcolor="#DDDDBB" colspan="'.$colspan.'">'. 775: '<table border="0" width="100%" bgcolor="#DDDDBB"><tr>'; 776: my $escsymb=&escape($ressymb); 777: if ($visible>2) { 778: $discussion .= '<td align="left">'. 779: '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 780: if ($newpostsflag) { 781: $discussion .= '&previous='.$prevread; 782: } 783: $discussion .= &group_args($group); 784: $discussion .='">'.&mt('Threaded View').'</a>  '. 785: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 786: if ($newpostsflag) { 787: $discussion .= '&previous='.$prevread; 788: } 789: $discussion .= &group_args($group); 790: $discussion .='">'.&mt('Chronological View').'</a>   791: <a href= "/adm/feedback?cmd=sortfilter&symb='.$escsymb; 792: if ($newpostsflag) { 793: $discussion .= '&previous='.$prevread; 794: } 795: $discussion .= &group_args($group); 796: $discussion .='">'.&mt('Sorting/Filtering options').'</a> &nbsp'; 797: } else { 798: $discussion .= '<td align="left">'; 799: } 800: $discussion .='<a href= "/adm/feedback?export='.$escsymb; 801: if ($newpostsflag) { 802: $discussion .= '&previous='.$prevread; 803: } 804: $discussion .= &group_args($group); 805: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 806: if ($newpostsflag) { 807: if (!$markondisp) { 808: $discussion .='<td align="right"><a href="/adm/preferences?action=changediscussions'; 809: $discussion .= &group_args($group); 810: $discussion .= '">'. 811: &mt('Preferences on what is marked as NEW'). 812: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 813: $discussion .= &group_args($group); 814: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>'; 815: } else { 816: $discussion .= '<td> </td>'; 817: } 818: } else { 819: $discussion .= '<td> </td>'; 820: } 821: $discussion .= '</tr></table></td></tr>'; 822: return $discussion; 823: } 824: 825: sub blocking_posts { 826: my ($type,$showstatus) = @_; 827: my %setters; 828: my ($blocked,$output); 829: my ($startblock,$endblock) = 830: &Apache::loncommon::blockcheck(\%setters,$type); 831: if ($startblock && $endblock) { 832: $blocked = 1; 833: if ($showstatus) { 834: my $showstart = &Apache::lonlocal::locallocaltime($startblock); 835: my $showend = &Apache::lonlocal::locallocaltime($endblock); 836: $output = &mt('Discussion postings will not be viewable for resources in this course between [_1] and [_2] because communication is being blocked.',$showstart, $showend).'<br />'. 837: &Apache::loncommon::build_block_table($startblock,$endblock, 838: \%setters); 839: } 840: } 841: return ($blocked,$output); 842: } 843: 844: sub postingform_display { 845: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 846: $currnewattach,$currdelold,$group) = @_; 847: my $newattachmsg; 848: my %lt = &Apache::lonlocal::texthash( 849: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 850: 'title' => 'Title', 851: 'podi' => 'Post Discussion', 852: 'poan' => 'Post Anonymous Discussion', 853: 'newa' => 'New attachments', 854: ); 855: my $postingform = (<<ENDDISCUSS); 856: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 857: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 858: <input type="hidden" name="sendit" value="true" /> 859: <input type="hidden" name="timestamp" value="$now" /> 860: <br /><a name="newpost"></a> 861: <font size="1">$lt{'note'}</font><br /> 862: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 863: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 864: ENDDISCUSS 865: if ($env{'form.origpage'}) { 866: $postingform .= '<input type="hidden" name="origpage" value="'. 867: $env{'form.origpage'}.'" />'."\n"; 868: foreach my $att (@{$currnewattach}) { 869: $postingform .= '<input type="hidden" name="currnewattach" '. 870: 'value="'.$att.'" />'."\n"; 871: } 872: } 873: if (exists($env{'form.ref'})) { 874: $postingform .= '<input type="hidden" name="ref" value="'. 875: $env{'form.ref'}.'" />'; 876: } 877: if ($group ne '') { 878: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 879: } 880: my ($blockblog) = &blocking_posts('blogs'); 881: if (!$blockblog) { 882: $postingform .= &add_blog_checkbox(); 883: } 884: $postingform .= "</form>\n"; 885: if ($outputtarget ne 'tex') { 886: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 887: $now,$currnewattach, 888: $currdelold,'',$mode, 889: $blockblog); 890: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 891: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 892: if (@{$currnewattach} > 1) { 893: $newattachmsg .= '<ol>'; 894: foreach my $item (@{$currnewattach}) { 895: $item =~ m#.*/([^/]+)$#; 896: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 897: } 898: $newattachmsg .= '</ol>'."\n"; 899: } else { 900: $$currnewattach[0] =~ m#.*/([^/]+)$#; 901: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 902: } 903: } 904: $postingform .= $newattachmsg; 905: $postingform .= &generate_preview_button(); 906: } 907: return $postingform; 908: } 909: 910: sub build_posting_display { 911: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 912: my @original=(); 913: my @index=(); 914: my $skip_group_check = 0; 915: my $symb=&Apache::lonenc::check_decrypt($ressymb); 916: my $escsymb=&escape($ressymb); 917: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 918: $env{'course.'.$env{'request.course.id'}.'.domain'}, 919: $env{'course.'.$env{'request.course.id'}.'.num'}); 920: 921: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 922: $skip_group_check = 1; 923: } 924: if ($contrib{'version'}) { 925: my $oldest = $contrib{'1:timestamp'}; 926: if ($prevread eq '0') { 927: $prevread = $oldest-1; 928: } 929: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 930: if ($sortposts) { 931: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 932: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 933: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 934: } 935: for (my $id=1;$id<=$contrib{'version'};$id++) { 936: my $idx=$id; 937: my $posttime = $contrib{$idx.':timestamp'}; 938: if ($prevread <= $posttime) { 939: $$newpostsflag = 1; 940: } 941: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 942: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 943: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 944: my $origindex='0.'; 945: my $numoldver=0; 946: if ($contrib{$idx.':replyto'}) { 947: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 948: # this is a follow-up message 949: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 950: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 951: $origindex=$index[$contrib{$idx.':replyto'}]; 952: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 953: } else { 954: $original[$idx]=0; 955: $$depth[$idx]=0; 956: } 957: } else { 958: # this is an original message 959: $original[$idx]=0; 960: $$depth[$idx]=0; 961: } 962: if ($$replies[$$depth[$idx]]) { 963: $$replies[$$depth[$idx]]++; 964: } else { 965: $$replies[$$depth[$idx]]=1; 966: } 967: unless ((($hidden) && (!$seeid)) || ($deleted)) { 968: $$visible++; 969: if ($contrib{$idx.':history'}) { 970: if ($contrib{$idx.':history'} =~ /:/) { 971: my @oldversions = split(/:/,$contrib{$idx.':history'}); 972: $numoldver = @oldversions; 973: } else { 974: $numoldver = 1; 975: } 976: } 977: $$current = $numoldver; 978: my %messages = (); 979: my %subjects = (); 980: my %attachtxt = (); 981: my %allattachments = (); 982: my ($screenname,$plainname); 983: my $sender = &mt('Anonymous'); 984: # Anonymous users getting number within a discussion 985: # Since idx is in static order, this should give the same sequence every time. 986: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 987: unless ($$anonhash{$key}) { 988: $anoncnt++; 989: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 990: } 991: my ($message,$subject,$vgrlink,$ctlink); 992: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 993: 994: 995: # Set up for sorting by subject 996: unless ($outputtarget eq 'export') { 997: $message=$messages{$numoldver}; 998: $message.=$attachtxt{$numoldver}; 999: $subject=$subjects{$numoldver}; 1000: if ($message) { 1001: if ($hidden) { 1002: $message='<font color="#888888">'.$message.'</font>'; 1003: if ($studenthidden) { 1004: $message .='<br /><br />Deleted by poster (student).'; 1005: } 1006: } 1007: 1008: if ($subject eq '') { 1009: if (defined($$subjectsort{'__No subject'})) { 1010: push(@{$$subjectsort{'__No subject'}}, $idx); 1011: } else { 1012: @{$$subjectsort{'__No subject'}} = ("$idx"); 1013: } 1014: } else { 1015: if (defined($$subjectsort{$subject})) { 1016: push(@{$$subjectsort{$subject}}, $idx); 1017: } else { 1018: @{$$subjectsort{$subject}} = ("$idx"); 1019: } 1020: } 1021: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 1022: $sender=&Apache::loncommon::aboutmewrapper( 1023: $plainname, 1024: $contrib{$idx.':sendername'}, 1025: $contrib{$idx.':senderdomain'}).' ('. 1026: $contrib{$idx.':sendername'}.' at '. 1027: $contrib{$idx.':senderdomain'}.')'; 1028: if ($contrib{$idx.':anonymous'}) { 1029: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1030: $screenname; 1031: } 1032: 1033: # Set up for sorting by domain, then username 1034: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1035: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1036: } 1037: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1038: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1039: } else { 1040: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1041: } 1042: # Set up for sorting by last name, then first name 1043: my %names = &Apache::lonnet::get('environment', 1044: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1045: ,$contrib{$idx.':sendername'}); 1046: my $lastname = $names{'lastname'}; 1047: my $firstname = $names{'firstname'}; 1048: if ($lastname eq '') { 1049: $lastname = '_'; 1050: } 1051: if ($firstname eq '') { 1052: $firstname = '_'; 1053: } 1054: unless (defined($$namesort{$lastname})) { 1055: %{$$namesort{$lastname}} = (); 1056: } 1057: if (defined($$namesort{$lastname}{$firstname})) { 1058: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1059: } else { 1060: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1061: } 1062: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1063: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1064: $sender.=' <a href="/adm/feedback?editdisc='. 1065: $escsymb.':::'.$idx; 1066: if ($$newpostsflag) { 1067: $sender .= '&previous='.$prevread; 1068: } 1069: $sender .= &group_args($group); 1070: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1071: 1072: unless ($seeid) { 1073: my $grpargs = &group_args($group); 1074: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1075: $sender .= '">'.&mt('Delete').'</a>'; 1076: } 1077: } 1078: } 1079: if ($seeid) { 1080: if ($hidden) { 1081: unless ($studenthidden) { 1082: $sender.=' <a href="/adm/feedback?unhide='. 1083: $escsymb.':::'.$idx; 1084: if ($$newpostsflag) { 1085: $sender .= '&previous='.$prevread; 1086: } 1087: $sender .= '">'.&mt('Make Visible').'</a>'; 1088: } 1089: } else { 1090: $sender.=' <a href="/adm/feedback?hide='. 1091: $escsymb.':::'.$idx; 1092: if ($$newpostsflag) { 1093: $sender .= '&previous='.$prevread; 1094: } 1095: $sender .= &group_args($group); 1096: $sender .= '">'.&mt('Hide').'</a>'; 1097: } 1098: my $grpargs = &group_args($group); 1099: $sender.= 1100: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1101: $sender .= &mt('Delete').'</a>'; 1102: } 1103: } else { 1104: if ($screenname) { 1105: $sender='<i>'.$screenname.'</i>'; 1106: } else { 1107: $sender='<i>'.$$anonhash{$key}.'</i>'; 1108: } 1109: # Set up for sorting by domain, then username for anonymous 1110: unless (defined($$usernamesort{'__anon'})) { 1111: %{$$usernamesort{'__anon'}} = (); 1112: } 1113: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1114: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1115: } else { 1116: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1117: } 1118: # Set up for sorting by last name, then first name for anonymous 1119: unless (defined($$namesort{'__anon'})) { 1120: %{$$namesort{'__anon'}} = (); 1121: } 1122: if (defined($$namesort{'__anon'}{'__anon'})) { 1123: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1124: } else { 1125: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1126: } 1127: } 1128: if (&discussion_open($status)) { 1129: if (($group ne '') && 1130: (&check_group_priv($group,'pgd') eq 'ok')) { 1131: $sender.=' <a href="/adm/feedback?replydisc='. 1132: $escsymb.':::'.$idx; 1133: if ($$newpostsflag) { 1134: $sender .= '&previous='.$prevread; 1135: } 1136: $sender .= &group_args($group); 1137: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1138: } elsif (&Apache::lonnet::allowed('pch', 1139: $env{'request.course.id'}. 1140: ($env{'request.course.sec'}?'/'. 1141: $env{'request.course.sec'}:''))) { 1142: $sender.=' <a href="/adm/feedback?replydisc='. 1143: $escsymb.':::'.$idx; 1144: if ($$newpostsflag) { 1145: $sender .= '&previous='.$prevread; 1146: } 1147: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1148: } 1149: } 1150: if ($viewgrades) { 1151: $vgrlink=&Apache::loncommon::submlink('Submissions', 1152: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1153: } 1154: if ($$dischash{$readkey}=~/\.$idx\./) { 1155: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1156: } else { 1157: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1158: } 1159: } 1160: #figure out at what position this needs to print 1161: } 1162: if ($outputtarget eq 'export' || $message) { 1163: my $thisindex=$idx; 1164: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1165: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1166: } 1167: $$alldiscussion{$thisindex}=$idx; 1168: $$shown{$idx} = 0; 1169: $index[$idx]=$thisindex; 1170: } 1171: if ($outputtarget eq 'export') { 1172: %{$$imsitems{$idx}} = (); 1173: $$imsitems{$idx}{'isvisible'}='true'; 1174: if ($hidden) { 1175: $$imsitems{$idx}{'isvisible'}='false'; 1176: } 1177: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1178: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1179: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1180: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1181: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1182: $contrib{$idx.':sendername'}.' at '. 1183: $contrib{$idx.':senderdomain'}.')'; 1184: $$imsitems{$idx}{'isanonymous'}='false'; 1185: if ($contrib{$idx.':anonymous'}) { 1186: $$imsitems{$idx}{'isanonymous'}='true'; 1187: } 1188: $$imsitems{$idx}{'currversion'}=$numoldver; 1189: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1190: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1191: $$shown{$idx} = 1; 1192: } 1193: } else { 1194: if ($message) { 1195: my $spansize = 2; 1196: if ($showonlyunread && $prevread > $posttime) { 1197: $$notshown{$idx} = 1; 1198: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1199: $$notshown{$idx} = 1; 1200: } else { 1201: # apply filters 1202: my $uname = $contrib{$idx.':sendername'}; 1203: my $udom = $contrib{$idx.':senderdomain'}; 1204: my $poster = $uname.':'.$udom; 1205: if ($env{'form.totposters'} ne '') { 1206: if ($totposters == 0) { 1207: $$shown{$idx} = 0; 1208: } elsif ($totposters > 0) { 1209: if (grep/^$poster$/,@{$posters}) { 1210: $$shown{$idx} = 1; 1211: } 1212: } 1213: } elsif ($sortposts) { 1214: if ($skiptest) { 1215: $$shown{$idx} = 1; 1216: } else { 1217: foreach my $role (@{$$roleinfo{$poster}}) { 1218: if ($role =~ /^cc:/) { 1219: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1220: if ($role =~ /$cc_regexp/) { 1221: $$shown{$idx} = 1; 1222: last; 1223: } 1224: } elsif ($role =~ /^$rolematch$/) { 1225: $$shown{$idx} = 1; 1226: last; 1227: } 1228: } 1229: } 1230: if ($$shown{$idx} && !$skip_group_check) { 1231: my $showflag = 0; 1232: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1233: foreach my $grp (@{$grouppick}) { 1234: if (grep/^\Q$grp\E$/, 1235: keys(%{$$classgroups{$poster}{active}})) { 1236: $showflag = 1; 1237: last; 1238: } 1239: } 1240: } 1241: if ($showflag) { 1242: $$shown{$idx} = 1; 1243: } else { 1244: $$shown{$idx} = 0; 1245: } 1246: } 1247: } else { 1248: $$shown{$idx} = 1; 1249: } 1250: } 1251: unless ($$notshown{$idx} == 1) { 1252: if ($prevread > 0 && $prevread <= $posttime) { 1253: $$newitem{$idx} = 1; 1254: $$discussionitems[$idx] .= ' 1255: <p><table border="0" width="100%"> 1256: <tr><td align="left"><font color="#FF0000"><b>NEW</b></font></td>'; 1257: } else { 1258: $$newitem{$idx} = 0; 1259: $$discussionitems[$idx] .= ' 1260: <p><table border="0" width="100%"> 1261: <tr><td align="left"> </td>'; 1262: } 1263: $$discussionitems[$idx] .= '<td align ="left">  '. 1264: '<b>'.$subject.'</b>  '. 1265: $sender.'</b> '.$vgrlink.' ('. 1266: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1267: if ($$dischash{$toggkey}) { 1268: $$discussionitems[$idx].='<td align="right">  '. 1269: $ctlink.'</td>'; 1270: } 1271: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1272: $message.'</blockquote></p>'; 1273: if ($contrib{$idx.':history'}) { 1274: my @postversions = (); 1275: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1276: if ($seeid) { 1277: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1278: $$discussionitems[$idx] .= &group_args($group); 1279: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1280: } 1281: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1282: if ($contrib{$idx.':history'} =~ m/:/) { 1283: @postversions = split(/:/,$contrib{$idx.':history'}); 1284: } else { 1285: @postversions = ("$contrib{$idx.':history'}"); 1286: } 1287: for (my $i=0; $i<@postversions; $i++) { 1288: my $version = $i+1; 1289: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1290: } 1291: } 1292: } 1293: } 1294: } 1295: } 1296: } 1297: } 1298: } 1299: 1300: sub filter_regexp { 1301: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1302: my ($roleregexp,$secregexp,$statusregexp); 1303: my $skiptest = 1; 1304: if (@{$rolefilter} > 0) { 1305: my @okrolefilter = (); 1306: foreach my $role (@{$rolefilter}) { 1307: unless ($role eq '') { 1308: push(@okrolefilter, $role); 1309: } 1310: } 1311: if (@okrolefilter > 0) { 1312: if (grep/^all$/,@okrolefilter) { 1313: $roleregexp='[^:]+'; 1314: } else { 1315: if (@okrolefilter == 1) { 1316: $roleregexp=$okrolefilter[0]; 1317: } else { 1318: $roleregexp='('.join('|',@okrolefilter).')'; 1319: } 1320: $skiptest = 0; 1321: } 1322: } 1323: } 1324: if (@{$sectionpick} > 0) { 1325: my @oksectionpick = (); 1326: foreach my $sec (@{$sectionpick}) { 1327: unless ($sec eq '') { 1328: push(@oksectionpick, $sec); 1329: } 1330: } 1331: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1332: if (@oksectionpick == 1) { 1333: $secregexp = $oksectionpick[0]; 1334: } else { 1335: $secregexp .= '('.join('|',@oksectionpick).')'; 1336: } 1337: $skiptest = 0; 1338: } else { 1339: $secregexp .= '[^:]*'; 1340: } 1341: } 1342: 1343: if (defined($statusfilter) && $statusfilter ne '') { 1344: if ($statusfilter eq 'all') { 1345: $statusregexp = '[^:]+'; 1346: } else { 1347: $statusregexp = $statusfilter; 1348: $skiptest = 0; 1349: } 1350: } 1351: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1352: } 1353: 1354: 1355: sub get_post_contents { 1356: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1357: my $discussion = ''; 1358: my $start=$numver; 1359: my $end=$numver + 1; 1360: %{$$imsfiles{$idx}}=(); 1361: if ($type eq 'allversions') { 1362: unless($seeid) { 1363: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1364: return $discussion; 1365: } 1366: } 1367: # $$screenname=&Apache::loncommon::screenname( 1368: # $$contrib{$idx.':sendername'}, 1369: # $$contrib{$idx.':senderdomain'}); 1370: $$plainname=&Apache::loncommon::nickname( 1371: $$contrib{$idx.':sendername'}, 1372: $$contrib{$idx.':senderdomain'}); 1373: $$screenname=$$contrib{$idx.':screenname'}; 1374: 1375: my $sender=&Apache::loncommon::aboutmewrapper( 1376: $$plainname, 1377: $$contrib{$idx.':sendername'}, 1378: $$contrib{$idx.':senderdomain'}).' ('. 1379: $$contrib{$idx.':sendername'}.' at '. 1380: $$contrib{$idx.':senderdomain'}.')'; 1381: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1382: my @postversions = (); 1383: if ($type eq 'allversions' || $type eq 'export') { 1384: $start = 0; 1385: if ($$contrib{$idx.':history'}) { 1386: @postversions = split(/:/,$$contrib{$idx.':history'}); 1387: } 1388: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1389: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1390: push(@postversions,$$contrib{$idx.':timestamp'}); 1391: $end = @postversions; 1392: } else { 1393: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1394: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1395: } 1396: 1397: if ($$contrib{$idx.':anonymous'}) { 1398: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1399: } 1400: if ($type eq 'allversions') { 1401: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1402: } 1403: for (my $i=$start; $i<$end; $i++) { 1404: my ($timesent,$attachmsg); 1405: my %currattach = (); 1406: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1407: &newline_to_br(\$messages->{$i}); 1408: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1409: $$subjects{$i}=~s/\n/\<br \/\>/g; 1410: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1411: if ($attachmenturls) { 1412: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1413: } 1414: if ($type eq 'export') { 1415: $$imsfiles{$idx}{$i} = ''; 1416: if ($attachmsg) { 1417: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1418: foreach my $key (sort(keys(%currattach))) { 1419: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1420: my $fname = $1.$3.'/'.$4; 1421: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1422: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1423: } 1424: } 1425: } 1426: } else { 1427: if ($attachmsg) { 1428: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1429: } else { 1430: $$attachtxt{$i} = ''; 1431: } 1432: } 1433: if ($type eq 'allversions') { 1434: $discussion.= <<"END"; 1435: <li><b>$$subjects{$i}</b>, $timesent<br /> 1436: $$messages{$i}<br /> 1437: $$attachtxt{$i}</li> 1438: END 1439: } 1440: } 1441: if ($type eq 'allversions') { 1442: $discussion.='</ul>'; 1443: return $discussion; 1444: } else { 1445: return; 1446: } 1447: } 1448: 1449: sub replicate_attachments { 1450: my ($attachrefs,$tempexport) = @_; 1451: my $response; 1452: foreach my $id (keys(%{$attachrefs})) { 1453: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1454: my $path = $tempexport; 1455: my $tail = $1.'/'.$2.$4; 1456: my @extras = split(/\//,$tail); 1457: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1458: if (!-e $destination) { 1459: my $i= 0; 1460: while ($i<@extras) { 1461: $path .= '/'.$extras[$i]; 1462: if (!-e $path) { 1463: mkdir($path,0700); 1464: } 1465: $i ++; 1466: } 1467: my ($content,$rtncode); 1468: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1469: if ($uploadreply eq 'ok') { 1470: my $attachcopy; 1471: if ($attachcopy = Apache::File->new('>'.$destination)) { 1472: print $attachcopy $content; 1473: close($attachcopy); 1474: } else { 1475: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1476: } 1477: } else { 1478: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1479: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1480: } 1481: } 1482: } 1483: } 1484: return $response; 1485: } 1486: 1487: sub mail_screen { 1488: my ($r,$feedurl,$options) = @_; 1489: if (exists($env{'form.origpage'})) { 1490: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1491: } 1492: 1493: my %lt = &Apache::lonlocal::texthash( 1494: 'plch' => 'Please check at least one of the following feedback types:', 1495: 'myqu' => 'My question/comment/feedback:', 1496: 'title' => 'Title', 1497: 'reta' => 'Retained attachments', 1498: 'atta' => 'Attachment (128 KB max size)', 1499: ); 1500: my $title=&Apache::lonnet::gettitle($feedurl); 1501: if (!$title) { $title = $feedurl; } 1502: my $quote=''; 1503: my $subject = ''; 1504: my $comment = ''; 1505: my $prevtag = ''; 1506: my $parentmsg = ''; 1507: my ($symb,$idx,$attachmenturls); 1508: my $numoldver = 0; 1509: my $attachmsg = ''; 1510: my $newattachmsg = ''; 1511: my @currnewattach = (); 1512: my @currdelold = (); 1513: my @keepold = (); 1514: my %attachments = (); 1515: my %currattach = (); 1516: my $attachnum = 0; 1517: my $anonchk = (<<END); 1518: function anonchk() { 1519: for (var i=0; i < document.mailform.discuss.length; i++) { 1520: if (document.mailform.discuss[i].checked) { 1521: document.attachment.discuss.value = 1522: document.mailform.discuss[i].value; 1523: } 1524: } 1525: if (document.mailform.blog.checked) { 1526: document.attachment.blog.value = 1; 1527: } 1528: return 1529: } 1530: END 1531: my $anonscript; 1532: if (exists($env{'form.origpage'})) { 1533: $anonscript = (<<END); 1534: function setposttype() { 1535: var disc = "$env{'form.discuss'}"; 1536: for (var i=0; i < document.mailform.discuss.length; i++) { 1537: if (disc == document.mailform.discuss[i].value) { 1538: document.mailform.discuss[i].checked = 1; 1539: } 1540: } 1541: var blog = "$env{'form.blog'}"; 1542: if (blog == 1) { 1543: document.mailform.blog.checked=1; 1544: } 1545: return 1546: } 1547: END 1548: } else { 1549: $anonscript = (<<END); 1550: function setposttype() { 1551: return 1552: } 1553: END 1554: } 1555: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1556: if ($env{'form.replydisc'}) { 1557: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1558: } else { 1559: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1560: } 1561: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1562: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1563: $env{'course.'.$env{'request.course.id'}.'.num'}); 1564: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1565: if ($contrib{$idx.':history'}) { 1566: if ($contrib{$idx.':history'} =~ /:/) { 1567: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1568: $numoldver = @oldversions; 1569: } else { 1570: $numoldver = 1; 1571: } 1572: } 1573: if ($env{'form.replydisc'}) { 1574: if ($contrib{$idx.':history'}) { 1575: if ($contrib{$idx.':history'} =~ /:/) { 1576: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1577: $numoldver = @oldversions; 1578: } else { 1579: $numoldver = 1; 1580: } 1581: } 1582: if ($idx > 0) { 1583: my %msgversions = (); 1584: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1585: $quote = $msgversions{$numoldver}; 1586: } 1587: if ($idx > 0) { 1588: my %subversions = (); 1589: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1590: $subject = &mt('Re: ').$subversions{$numoldver}; 1591: } 1592: $subject = &HTML::Entities::encode($subject,'<>&"'); 1593: } else { 1594: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1595: if ($idx > 0) { 1596: my %msgversions = (); 1597: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1598: $comment = $msgversions{$numoldver}; 1599: my %subversions = (); 1600: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1601: $subject = $subversions{$numoldver}; 1602: } 1603: if (defined($contrib{$idx.':replyto'})) { 1604: $parentmsg = $contrib{$idx.':replyto'}; 1605: } 1606: unless (exists($env{'form.origpage'})) { 1607: my $anonflag = 'nonanon'; 1608: if ($contrib{$idx.':anonymous'}) { 1609: $anonflag = 'anon'; 1610: } 1611: $anonscript = (<<END); 1612: function setposttype () { 1613: var currtype = "$anonflag"; 1614: for (var i=0; i<document.mailform.discuss.length; i++) { 1615: if (document.mailform.elements.discuss[i].value == currtype ) { 1616: document.mailform.elements.discuss[i].checked=1; 1617: } 1618: } 1619: return 1620: } 1621: END 1622: } 1623: } 1624: } 1625: if ($env{'form.previous'}) { 1626: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1627: } 1628: } 1629: 1630: if ($env{'form.origpage'}) { 1631: $subject = &unescape($env{'form.subject'}); 1632: $comment = &unescape($env{'form.comment'}); 1633: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1634: } 1635: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(); 1636: my $send=&mt('Send'); 1637: my $alert = &mt('Please select a feedback type.'); 1638: my $js= <<END; 1639: <script type="text/javascript"> 1640: // 1674: </script> 1675: END 1676: 1677: my %onload = ('onload' => 'window.focus();setposttype();'); 1678: my $start_page= 1679: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1680: {'add_entries' => \%onload}); 1681: 1682: if ($quote ne '') { 1683: &newline_to_br(\$quote); 1684: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1685: } 1686: 1687: $r->print(<<END); 1688: $start_page 1689: <h2><tt>$title</tt></h2> 1690: <form action="/adm/feedback" method="post" name="mailform" 1691: enctype="multipart/form-data"> 1692: $prevtag 1693: <input type="hidden" name="postdata" value="$feedurl" /> 1694: END 1695: if ($env{'form.replydisc'}) { 1696: $r->print(<<END); 1697: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1698: END 1699: } elsif ($env{'form.editdisc'}) { 1700: $r->print(<<END); 1701: <input type="hidden" name="editdisc" value ="$env{'form.editdisc'}" /> 1702: <input type="hidden" name="parentmsg" value ="$parentmsg" /> 1703: END 1704: } 1705: $r->print(<<END); 1706: $lt{'plch'} 1707: $options<hr /> 1708: $quote 1709: <p>$lt{'myqu'}</p> 1710: <p> 1711: $latexHelp 1712: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1713: <p> 1714: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1715: </textarea></p> 1716: <p> 1717: END 1718: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1719: if ($env{'form.origpage'}) { 1720: foreach my $attach (@currnewattach) { 1721: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1722: } 1723: foreach my $oldatt (@currdelold) { 1724: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1725: } 1726: } 1727: if ($env{'form.editdisc'}) { 1728: if ($attachmenturls) { 1729: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1730: $attachnum = scalar(keys(%currattach)); 1731: foreach my $key (keys(%currattach)) { 1732: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1733: } 1734: } 1735: } 1736: } else { 1737: $r->print(<<END); 1738: $lt{'atta'}: <input type="file" name="attachment" /> 1739: </p> 1740: END 1741: } 1742: if (exists($env{'form.group'})) { 1743: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1744: } 1745: if (exists($env{'form.ref'})) { 1746: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1747: } 1748: $r->print(<<END); 1749: <p> 1750: <input type="hidden" name="sendit" value="1" /> 1751: <input type="button" value="$send" onClick='gosubmit();' /> 1752: </p> 1753: </form> 1754: END 1755: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1756: my $now = time; 1757: my $ressymb = $symb; 1758: &Apache::lonenc::check_encrypt(\$ressymb); 1759: my $postidx = ''; 1760: if ($env{'form.editdisc'}) { 1761: $postidx = $idx; 1762: } 1763: if (@currnewattach > 0) { 1764: $attachnum += @currnewattach; 1765: } 1766: my ($blockblog) = &blocking_posts('blogs'); 1767: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1768: if ($attachnum > 0) { 1769: if (@currnewattach > 0) { 1770: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1771: if (@currnewattach > 1) { 1772: $newattachmsg .= '<ol>'; 1773: foreach my $item (@currnewattach) { 1774: $item =~ m#.*/([^/]+)$#; 1775: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1776: } 1777: $newattachmsg .= '</ol>'."\n"; 1778: } else { 1779: $currnewattach[0] =~ m#.*/([^/]+)$#; 1780: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1781: } 1782: } 1783: if ($attachmsg) { 1784: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1785: } 1786: if ($newattachmsg) { 1787: $r->print("$newattachmsg<br />"); 1788: } 1789: } 1790: } 1791: $r->print(&generate_preview_button(). 1792: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1793: &Apache::loncommon::end_page()); 1794: 1795: } 1796: 1797: sub print_display_options { 1798: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1799: &Apache::loncommon::content_type($r,'text/html'); 1800: $r->send_http_header; 1801: 1802: my $function = &Apache::loncommon::get_users_function(); 1803: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1804: $env{'user.domain'}); 1805: 1806: my %lt = &Apache::lonlocal::texthash( 1807: 'pref' => 'Display Preference', 1808: 'curr' => 'Current setting ', 1809: 'actn' => 'Action', 1810: 'deff' => 'Default for all discussions', 1811: 'prca' => 'Preferences can be set for this discussion that determine ....', 1812: 'whpo' => 'Which posts are displayed when you display this bulletin board or resource, and', 1813: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1814: 'wipa' => 'Whether individual posts can be marked as read/unread', 1815: 'allposts' => 'All posts', 1816: 'unread' => 'New posts only', 1817: 'unmark' => 'Posts not marked read', 1818: 'ondisp' => 'Once displayed', 1819: 'onmark' => 'Once marked not NEW ', 1820: 'toggon' => 'Shown', 1821: 'toggoff' => 'Not shown', 1822: 'disa' => 'Posts displayed?', 1823: 'npmr' => 'New posts cease to be identified as "NEW"?', 1824: 'dotm' => 'Option to mark each post as read/unread?', 1825: 'chgt' => 'Change to ', 1826: 'mkdf' => 'Set to ', 1827: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1828: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1829: ); 1830: 1831: my $dispchangeA = $lt{'unread'}; 1832: my $dispchangeB = $lt{'unmark'}; 1833: my $markchange = $lt{'ondisp'}; 1834: my $toggchange = $lt{'toggon'}; 1835: my $currdisp = $lt{'allposts'}; 1836: my $currmark = $lt{'onmark'}; 1837: my $discdisp = 'allposts'; 1838: my $discmark = 'onmark'; 1839: my $currtogg = $lt{'toggoff'}; 1840: my $disctogg = 'toggoff'; 1841: 1842: if ($dispchgA eq 'allposts') { 1843: $dispchangeA = $lt{'allposts'}; 1844: $currdisp = $lt{'unread'}; 1845: $discdisp = 'unread'; 1846: } 1847: 1848: if ($markchg eq 'markonread') { 1849: $markchange = $lt{'onmark'}; 1850: $currmark = $lt{'ondisp'}; 1851: $discmark = 'ondisp'; 1852: } 1853: 1854: if ($dispchgB eq 'onlyunread') { 1855: $dispchangeB = $lt{'unread'}; 1856: $currdisp = $lt{'unmark'}; 1857: $discdisp = 'unmark'; 1858: } 1859: if ($toggchg eq 'toggoff') { 1860: $toggchange = $lt{'toggoff'}; 1861: $currtogg = $lt{'toggon'}; 1862: $disctogg = 'toggon'; 1863: } 1864: 1865: my $js = <<END; 1866: <script type="text/javascript"> 1867: function discdispChk(caller) { 1868: var disctogg = '$toggchg' 1869: if (caller == 0) { 1870: if (document.modifydisp.discdisp[0].checked == true) { 1871: if (document.modifydisp.discdisp[1].checked == true) { 1872: document.modifydisp.discdisp[1].checked = false 1873: } 1874: } 1875: } 1876: if (caller == 1) { 1877: if (document.modifydisp.discdisp[1].checked == true) { 1878: if (document.modifydisp.discdisp[0].checked == true) { 1879: document.modifydisp.discdisp[0].checked = false 1880: } 1881: if (disctogg == 'toggon') { 1882: document.modifydisp.disctogg.checked = true 1883: } 1884: if (disctogg == 'toggoff') { 1885: document.modifydisp.disctogg.checked = false 1886: } 1887: } 1888: } 1889: if (caller == 2) { 1890: var dispchgB = '$dispchgB' 1891: if (disctogg == 'toggoff') { 1892: if (document.modifydisp.disctogg.checked == true) { 1893: if (dispchgB == 'onlyunmark') { 1894: document.modifydisp.discdisp[1].checked = false 1895: } 1896: } 1897: } 1898: } 1899: } 1900: 1901: function setDisp() { 1902: var prev = "$previous" 1903: var chktotal = 0 1904: if (document.modifydisp.discdisp[0].checked == true) { 1905: document.modifydisp.$dispchgA.value = "$symb" 1906: chktotal ++ 1907: } 1908: if (document.modifydisp.discdisp[1].checked == true) { 1909: document.modifydisp.$dispchgB.value = "$symb" 1910: chktotal ++ 1911: } 1912: if (document.modifydisp.discmark.checked == true) { 1913: document.modifydisp.$markchg.value = "$symb" 1914: chktotal ++ 1915: } 1916: if (document.modifydisp.disctogg.checked == true) { 1917: document.modifydisp.$toggchg.value = "$symb" 1918: chktotal ++ 1919: } 1920: if (chktotal > 0) { 1921: document.modifydisp.submit() 1922: } else { 1923: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1924: if (prev > 0) { 1925: location.href = "$feedurl?previous=$previous" 1926: } else { 1927: location.href = "$feedurl" 1928: } 1929: } 1930: } 1931: } 1932: </script> 1933: END 1934: 1935: 1936: my $start_page = 1937: &Apache::loncommon::start_page('Discussion display options',$js); 1938: my $end_page = 1939: &Apache::loncommon::end_page(); 1940: $r->print(<<END); 1941: $start_page 1942: <form name="modifydisp" method="POST" action="/adm/feedback"> 1943: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1944: <br /> 1945: END 1946: $r->print(&Apache::loncommon::start_data_table()); 1947: $r->print(<<END); 1948: <tr> 1949: <th>$lt{'pref'}</td> 1950: <th>$lt{'curr'}</td> 1951: <th>$lt{'actn'}?</td> 1952: </tr> 1953: END 1954: $r->print(&Apache::loncommon::start_data_table_row()); 1955: $r->print(<<END); 1956: <td>$lt{'disa'}</td> 1957: <td>$lt{$discdisp}</td> 1958: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1959: <br /> 1960: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1961: </td> 1962: END 1963: $r->print(&Apache::loncommon::end_data_table_row()); 1964: $r->print(&Apache::loncommon::start_data_table_row()); 1965: $r->print(<<END); 1966: <td>$lt{'npmr'}</td> 1967: <td>$lt{$discmark}</td> 1968: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1969: END 1970: $r->print(&Apache::loncommon::end_data_table_row()); 1971: $r->print(&Apache::loncommon::start_data_table_row()); 1972: $r->print(<<END); 1973: <td>$lt{'dotm'}</td> 1974: <td>$lt{$disctogg}</td> 1975: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1976: END 1977: $r->print(&Apache::loncommon::end_data_table_row()); 1978: $r->print(&Apache::loncommon::end_data_table()); 1979: $r->print(<<END); 1980: <br /> 1981: <br /> 1982: <input type="hidden" name="symb" value="$symb" /> 1983: <input type="hidden" name="previous" value="$previous" /> 1984: <input type="hidden" name="$dispchgA" value=""/> 1985: <input type="hidden" name="$dispchgB" value=""/> 1986: <input type="hidden" name="$markchg" value=""/> 1987: <input type="hidden" name="$toggchg" value="" /> 1988: <input type="button" name="sub" value="Store Changes" onClick="javascript:setDisp()" /> 1989: END 1990: if (exists($env{'form.group'})) { 1991: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1992: } 1993: if (exists($env{'form.ref'})) { 1994: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1995: } 1996: $r->print(" 1997: <br /> 1998: <br /> 1999: </form> 2000: $end_page 2001: "); 2002: return; 2003: } 2004: 2005: sub print_sortfilter_options { 2006: my ($r,$symb,$previous,$feedurl) = @_; 2007: 2008: &Apache::loncommon::content_type($r,'text/html'); 2009: $r->send_http_header; 2010: 2011: &Apache::lonenc::check_encrypt(\$symb); 2012: my @sections; 2013: my $section_sel = ''; 2014: my $numvisible = 5; 2015: my @groups; 2016: my $group_sel = ''; 2017: my $numgroupvis = 5; 2018: my %sectioncount = &Apache::loncommon::get_sections(); 2019: 2020: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2021: @sections = ('all',$env{'request.course.sec'}); 2022: $numvisible = 2; 2023: } else { 2024: @sections = sort {$a cmp $b} keys(%sectioncount); 2025: if (scalar(@sections) < 4) { 2026: $numvisible = scalar(@sections) + 1; 2027: } 2028: unshift(@sections,'all'); # Put 'all' at the front of the list 2029: 2030: } 2031: foreach my $sec (@sections) { 2032: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2033: } 2034: 2035: if (&check_group_priv() eq 'ok') { 2036: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2037: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2038: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2039: @groups = sort {$a cmp $b} keys(%curr_groups); 2040: if (scalar(@groups) < 4) { 2041: $numgroupvis = scalar(@groups) + 1; 2042: } 2043: unshift(@groups,'all'); # Put 'all' at the front of the list 2044: } else { 2045: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2046: if (@coursegroups > 0) { 2047: @coursegroups = sort {$a cmp $b} @coursegroups; 2048: @groups = ('all',@coursegroups); 2049: if (scalar(@groups) < 4) { 2050: $numgroupvis = scalar(@groups) + 1; 2051: } 2052: } else { 2053: @groups = ('all'); 2054: $numgroupvis = 1; 2055: } 2056: } 2057: foreach my $group (@groups) { 2058: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2059: } 2060: 2061: my $function = &Apache::loncommon::get_users_function(); 2062: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2063: $env{'user.domain'}); 2064: my %lt = &Apache::lonlocal::texthash( 2065: 'diop' => 'Display Options', 2066: 'curr' => 'Current setting ', 2067: 'actn' => 'Action', 2068: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2069: 'soor' => 'Sort order', 2070: 'spur' => 'Specific user roles', 2071: 'sprs' => 'Specific role status', 2072: 'spse' => 'Specific sections', 2073: 'spgr' => 'Specific groups', 2074: 'psub' => 'Pick specific users (by name)', 2075: 'shal' => 'Show a list of current posters', 2076: 'stor' => 'Store changes', 2077: ); 2078: 2079: my %sort_types = (); 2080: my %role_types = (); 2081: my %status_types = (); 2082: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 2083: 2084: my $js = <<END; 2085: <script type="text/javascript"> 2086: function verifyFilter() { 2087: var rolenum = 0 2088: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2089: if (document.modifyshown.rolefilter.options[i].selected == true) { 2090: rolenum ++ 2091: } 2092: } 2093: if (rolenum == 0) { 2094: document.modifyshown.rolefilter.options[0].selected = true 2095: } 2096: 2097: var secnum = 0 2098: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2099: if (document.modifyshown.sectionpick.options[i].selected == true) { 2100: secnum ++ 2101: } 2102: } 2103: if (secnum == 0) { 2104: document.modifyshown.sectionpick.options[0].selected = true 2105: } 2106: 2107: var grpnum = 0 2108: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2109: if (document.modifyshown.grouppick.options[i].selected == true) { 2110: grpnum ++ 2111: } 2112: } 2113: if (grpnum == 0) { 2114: document.modifyshown.grouppick.options[0].selected = true 2115: } 2116: 2117: document.modifyshown.submit(); 2118: } 2119: </script> 2120: END 2121: 2122: my $start_page= 2123: &Apache::loncommon::start_page('Discussion options',$js); 2124: my $end_page= 2125: &Apache::loncommon::end_page(); 2126: 2127: $r->print(<<END); 2128: $start_page 2129: <form name="modifyshown" method="POST" action="/adm/feedback"> 2130: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2131: <br /><br /> 2132: <table border="0"> 2133: <tr> 2134: <td><b>$lt{'soor'}</b></td> 2135: <td> </td> 2136: <td><b>$lt{'sprs'}</b></td> 2137: <td> </td> 2138: <td><b>$lt{'spur'}</b></td> 2139: <td> </td> 2140: <td><b>$lt{'spse'}</b></td> 2141: <td> </td> 2142: <td><b>$lt{'spgr'}</b></td> 2143: <td> </td> 2144: <td><b>$lt{'psub'}</b></td> 2145: </tr> 2146: <tr> 2147: <td align="center" valign="top"> 2148: <select name="sortposts"> 2149: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2150: <option value="descdate">$sort_types{'descdate'}</option> 2151: <option value="thread">$sort_types{'thread'}</option> 2152: <option value="subject">$sort_types{'subject'}</option> 2153: <option value="username">$sort_types{'username'}</option> 2154: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2155: </select> 2156: </td> 2157: <td> </td> 2158: <td align="center" valign="top"> 2159: <select name="statusfilter"> 2160: <option value="all" selected="selected">$status_types{'all'}</option> 2161: <option value="Active">$status_types{'Active'}</option> 2162: <option value="Expired">$status_types{'Expired'}</option> 2163: <option value="Future">$status_types{'Future'}</option> 2164: </select> 2165: </td> 2166: <td> </td> 2167: <td align="center" valign="top"> 2168: <select name="rolefilter" multiple="true" size="5"> 2169: <option value="all">$role_types{'all'}</option> 2170: <option value="st">$role_types{'st'}</option> 2171: <option value="cc">$role_types{'cc'}</option> 2172: <option value="in">$role_types{'in'}</option> 2173: <option value="ta">$role_types{'ta'}</option> 2174: <option value="ep">$role_types{'ep'}</option> 2175: <option value="cr">$role_types{'cr'}</option> 2176: </select> 2177: </td> 2178: <td> </td> 2179: <td align="center" valign="top"> 2180: <select name="sectionpick" multiple="true" size="$numvisible"> 2181: $section_sel 2182: </select> 2183: </td> 2184: <td> </td> 2185: <td align="center" valign="top"> 2186: <select name="grouppick" multiple="true" size="$numvisible"> 2187: $group_sel 2188: </select> 2189: </td> 2190: <td> </td> 2191: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2192: </tr> 2193: </table> 2194: <br /> 2195: <br /> 2196: <input type="hidden" name="previous" value="$previous" /> 2197: <input type="hidden" name="applysort" value="$symb" /> 2198: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" /> 2199: END 2200: if (exists($env{'form.group'})) { 2201: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2202: } 2203: if (exists($env{'form.ref'})) { 2204: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2205: } 2206: $r->print(" 2207: <br /> 2208: <br /> 2209: </form> 2210: $end_page 2211: "); 2212: } 2213: 2214: sub print_showposters { 2215: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2216: 2217: &Apache::loncommon::content_type($r,'text/html'); 2218: $r->send_http_header; 2219: 2220: &Apache::lonenc::check_encrypt(\$symb); 2221: my $crs='/'.$env{'request.course.id'}; 2222: if ($env{'request.course.sec'}) { 2223: $crs.='_'.$env{'request.course.sec'}; 2224: } 2225: $crs=~s/\_/\//g; 2226: my $seeid; 2227: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2228: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2229: my $group = $env{'form.group'}; 2230: my $ressymb = &wrap_symb($symb); 2231: if (($group ne '') && 2232: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2233: if (&check_group_priv($group,'dgp') eq 'ok') { 2234: $seeid = 1; 2235: } 2236: } else { 2237: $seeid=&Apache::lonnet::allowed('rin',$crs); 2238: } 2239: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2240: $cdom,$cnum); 2241: my %namesort = (); 2242: my %postcounts = (); 2243: 2244: my %lt = &Apache::lonlocal::texthash( 2245: sele => 'Select', 2246: full => 'Fullname', 2247: usdo => 'Username:domain', 2248: post => 'Posts', 2249: ); 2250: if ($contrib{'version'}) { 2251: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2252: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2253: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2254: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2255: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2256: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2257: my $lastname = $names{'lastname'}; 2258: my $firstname = $names{'firstname'}; 2259: if ($lastname eq '') { 2260: $lastname = '_'; 2261: } 2262: if ($firstname eq '') { 2263: $firstname = '_'; 2264: } 2265: unless (defined($namesort{$lastname})) { 2266: %{$namesort{$lastname}} = (); 2267: } 2268: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2269: $postcounts{$poster} ++; 2270: if (defined($namesort{$lastname}{$firstname})) { 2271: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2272: push(@{$namesort{$lastname}{$firstname}}, $poster); 2273: } 2274: } else { 2275: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2276: } 2277: } 2278: } 2279: } 2280: } 2281: 2282: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2283: my $table_start =&Apache::loncommon::start_data_table(); 2284: $r->print(<<END); 2285: $start_page 2286: <form name="pickpostersform" method="post"> 2287: <br /> 2288: $table_start 2289: <tr> 2290: <th>#</th> 2291: <th>$lt{'sele'}</th> 2292: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2293: <th>$lt{'post'}</th> 2294: </tr> 2295: END 2296: my $count = 0; 2297: foreach my $last (sort(keys(%namesort))) { 2298: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2299: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2300: my ($uname,$udom) = split(/:/,$user); 2301: if (!$uname || !$udom) { 2302: next; 2303: } else { 2304: $count ++; 2305: $r->print(&Apache::loncommon::start_data_table_row(). 2306: '<td align="right">'.$count.'</td> 2307: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2308: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2309: <td>'.$postcounts{$user}.'</td>'. 2310: &Apache::loncommon::end_data_table_row()); 2311: } 2312: } 2313: } 2314: } 2315: $r->print(&Apache::loncommon::end_data_table()); 2316: my $end_page = &Apache::loncommon::end_page(); 2317: $r->print(<<END); 2318: <br /> 2319: <input type="hidden" name="sortposts" value="$sortposts" /> 2320: <input type="hidden" name="userpick" value="$symb" /> 2321: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2322: </form> 2323: $end_page 2324: END 2325: } 2326: 2327: sub get_post_versions { 2328: my ($versions,$incoming,$htmldecode,$numver) = @_; 2329: if ($incoming =~ /^<version num="0">/) { 2330: my $p = HTML::LCParser->new(\$incoming); 2331: my $done = 0; 2332: 2333: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2334: my $num = $token->[1]{num}; 2335: my $text = $p->get_text("/version"); 2336: if (defined($numver)) { 2337: if ($num == $numver) { 2338: if ($htmldecode) { 2339: $text = &HTML::Entities::decode($text); 2340: } 2341: $$versions{$numver}=$text; 2342: $done = 1; 2343: } 2344: } else { 2345: if ($htmldecode) { 2346: $text = &HTML::Entities::decode($text); 2347: } 2348: $$versions{$num}=$text; 2349: } 2350: } 2351: } else { 2352: if (!defined($numver)) { 2353: $numver = 0; 2354: } 2355: if ($htmldecode) { 2356: $$versions{$numver} = $incoming; 2357: } else { 2358: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2359: } 2360: } 2361: return; 2362: } 2363: 2364: sub get_post_attachments { 2365: my ($attachments,$attachmenturls) = @_; 2366: my $num; 2367: if ($attachmenturls =~ m/^<attachment id="0">/) { 2368: my $p = HTML::LCParser->new(\$attachmenturls); 2369: while (my $token = $p->get_tag("attachment","filename","post")) { 2370: if ($token->[0] eq "attachment") { 2371: $num = $token->[1]{id}; 2372: %{$$attachments{$num}} =(); 2373: } elsif ($token->[0] eq "filename") { 2374: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2375: } elsif ($token->[0] eq "post") { 2376: my $id = $token->[1]{id}; 2377: $$attachments{$num}{$id} = $p->get_text("/post"); 2378: } 2379: } 2380: } else { 2381: %{$$attachments{'0'}} = (); 2382: $$attachments{'0'}{'filename'} = $attachmenturls; 2383: $$attachments{'0'}{'0'} = 'n'; 2384: } 2385: 2386: return; 2387: } 2388: 2389: sub fail_redirect { 2390: my ($r,$feedurl) = @_; 2391: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2392: my %lt = &Apache::lonlocal::texthash( 2393: 'sorr' => 'Sorry, no recipients ...', 2394: ); 2395: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2396: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2397: {'redirect' => [2,$feedurl], 2398: 'only_body' => 1,})); 2399: $r->print(<<ENDFAILREDIR); 2400: <img align="right" src="$logo" /> 2401: <b>$lt{'sorr'}</b> 2402: ENDFAILREDIR 2403: $r->print(&Apache::loncommon::end_page()); 2404: } 2405: 2406: sub redirect_back { 2407: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group) = @_; 2408: my $sorttag = ''; 2409: my $roletag = ''; 2410: my $statustag = ''; 2411: my $sectag = ''; 2412: my $grptag = ''; 2413: my $userpicktag = ''; 2414: my $qrystr = ''; 2415: my $prevtag = ''; 2416: 2417: &Apache::loncommon::content_type($r,'text/html'); 2418: $r->send_http_header; 2419: &dewrapper(\$feedurl); 2420: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2421: if ($previous > 0) { 2422: $qrystr = 'previous='.$previous; 2423: if ($feedurl =~ /\?register=1/) { 2424: $feedurl .= '&'.$qrystr; 2425: } else { 2426: $feedurl .= '?'.$qrystr; 2427: } 2428: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2429: } 2430: if (defined($sort)) { 2431: my $sortqry = 'sortposts='.$sort; 2432: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2433: $feedurl .= '&'.$sortqry; 2434: } else { 2435: $feedurl .= '?'.$sortqry; 2436: } 2437: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2438: if (defined($numpicks)) { 2439: my $userpickqry = 'totposters='.$numpicks; 2440: $feedurl .= '&'.$userpickqry; 2441: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2442: } else { 2443: if (ref($sectionpick) eq 'ARRAY') { 2444: $feedurl .= '&sectionpick='; 2445: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2446: foreach my $sec (@{$sectionpick}) { 2447: $feedurl .= $sec.','; 2448: $sectag .= $sec.','; 2449: } 2450: $feedurl =~ s/,$//; 2451: $sectag =~ s/,$//; 2452: $sectag .= '" />'; 2453: } else { 2454: $feedurl .= '&sectionpick='.$sectionpick; 2455: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2456: } 2457: if (ref($grouppick) eq 'ARRAY') { 2458: $feedurl .= '&grouppick='; 2459: $sectag .= '<input type="hidden" name="grouppick" value="'; 2460: foreach my $grp (@{$grouppick}) { 2461: $feedurl .= $grp.','; 2462: $grptag .= $grp.','; 2463: } 2464: $feedurl =~ s/,$//; 2465: $grptag =~ s/,$//; 2466: $grptag .= '" />'; 2467: } else { 2468: $feedurl .= '&grouppick='.$grouppick; 2469: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2470: } 2471: if (ref($rolefilter) eq 'ARRAY') { 2472: $feedurl .= '&rolefilter='; 2473: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2474: foreach my $role (@{$rolefilter}) { 2475: $feedurl .= $role.','; 2476: $roletag .= $role.','; 2477: } 2478: $feedurl =~ s/,$//; 2479: $roletag =~ s/,$//; 2480: $roletag .= '" />'; 2481: } else { 2482: $feedurl .= '&rolefilter='.$rolefilter; 2483: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2484: } 2485: $feedurl .= '&statusfilter='.$statusfilter; 2486: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2487: } 2488: } 2489: my $grouptag; 2490: if ($group ne '') { 2491: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; my $refarg; 2492: if (exists($env{'form.ref'})) { 2493: $refarg = '&ref='.$env{'form.ref'}; 2494: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2495: } 2496: if ($feedurl =~ /\?/) { 2497: $feedurl .= '&group='.$group.$refarg; 2498: } else { 2499: $feedurl .= '?group='.$group.$refarg; 2500: } 2501: } 2502: &Apache::lonenc::check_encrypt(\$feedurl); 2503: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2504: my %onload; 2505: if ($env{'environment.remote'} ne 'off') { 2506: $onload{'onload'} = 2507: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2508: } 2509: my $start_page= 2510: &Apache::loncommon::start_page('Feedback sent',undef, 2511: {'redirect' => [0,$feedurl], 2512: 'only_body' => 1, 2513: 'add_entries' => \%onload}); 2514: my $end_page = &Apache::loncommon::end_page(); 2515: $r->print(<<ENDREDIR); 2516: $start_page 2517: <img align="right" src="$logo" /> 2518: $typestyle 2519: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2520: $blog 2521: <font color="red">$status</font> 2522: <form name="reldt" action="$feedurl" target="loncapaclient"> 2523: $prevtag 2524: $sorttag 2525: $statustag 2526: $roletag 2527: $sectag 2528: $grptag 2529: $userpicktag 2530: $grouptag 2531: </form> 2532: $end_page 2533: ENDREDIR 2534: } 2535: 2536: sub no_redirect_back { 2537: my ($r,$feedurl) = @_; 2538: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2539: 2540: my %onload; 2541: if ($env{'environment.remote'} ne 'off') { 2542: $onload{'onload'} = 2543: "if (window.name!='loncapaclient') { self.window.close(); }"; 2544: } 2545: 2546: my %body_options = ('only_body' => 1, 2547: 'bgcolor' => '#FFFFFF', 2548: 'add_entries' => \%onload,); 2549: 2550: if ($feedurl !~ m{^/adm/feedback}) { 2551: $body_options{'rediect'} = [2,$feedurl]; 2552: } 2553: my $start_page= 2554: &Apache::loncommon::start_page('Feedback not sent',undef, 2555: \%body_options); 2556: 2557: my $end_page = &Apache::loncommon::end_page(); 2558: 2559: &Apache::lonenc::check_encrypt(\$feedurl); 2560: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2561: $r->print (<<ENDNOREDIRTWO); 2562: $start_page 2563: <img align="right" src="$logo" /> 2564: <b>$nofeed</b> 2565: <br /> 2566: $end_page 2567: ENDNOREDIRTWO 2568: } 2569: 2570: sub screen_header { 2571: my ($feedurl,$symb) = @_; 2572: my $msgoptions=''; 2573: my $discussoptions=''; 2574: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2575: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2576: $msgoptions= 2577: '<p><label><input type="radio" name="discuss" value="author" /> '. 2578: &mt('Feedback to resource author').'</label></p>'; 2579: } 2580: if (&feedback_available(1)) { 2581: $msgoptions.= 2582: '<p><label><input type="radio" name="discuss" value="question" /> '. 2583: &mt('Question about resource content').'</label></p>'; 2584: } 2585: if (&feedback_available(0,1)) { 2586: $msgoptions.= 2587: '<p><label><input type="radio" name="discuss" value="course" /> '. 2588: &mt('Question/Comment/Feedback about course content'). 2589: '</label></p>'; 2590: } 2591: if (&feedback_available(0,0,1)) { 2592: $msgoptions.= 2593: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2594: &mt('Question/Comment/Feedback about course policy'). 2595: '</label></p>'; 2596: } 2597: } 2598: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2599: if (&discussion_open(undef,$symb) && 2600: &Apache::lonnet::allowed('pch', 2601: $env{'request.course.id'}. 2602: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2603: my ($blocked) = &blocking_posts('boards'); 2604: if (!$blocked) { 2605: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2606: &mt('Contribution to course discussion of resource'); 2607: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2608: &mt('Anonymous contribution to course discussion of resource'). 2609: ' <i>('.&mt('name only visible to course faculty').')</i></label> '. 2610: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2611: } 2612: } 2613: my ($blockblog) = &blocking_posts('blogs'); 2614: if (!$blockblog) { 2615: $discussoptions.= &add_blog_checkbox(); 2616: } 2617: } 2618: if ($msgoptions) { $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/feedback.gif').'" />'.&mt('Sending Messages').'</h2>'.$msgoptions; } 2619: if ($discussoptions) { 2620: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />'.&mt('Discussion Contributions').'</h2>'.$discussoptions; } 2621: return $msgoptions.$discussoptions; 2622: } 2623: 2624: sub resource_output { 2625: my ($feedurl) = @_; 2626: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2627: $usersaw=~s/\<body[^\>]*\>//gi; 2628: $usersaw=~s/\<\/body\>//gi; 2629: $usersaw=~s/\<html\>//gi; 2630: $usersaw=~s/\<\/html\>//gi; 2631: $usersaw=~s/\<head\>//gi; 2632: $usersaw=~s/\<\/head\>//gi; 2633: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2634: return $usersaw; 2635: } 2636: 2637: sub clear_out_html { 2638: my ($message,$override,$ignore_htmlarea)=@_; 2639: if (!$ignore_htmlarea 2640: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2641: # Always allow the <m>-tag 2642: my %html=(M=>1); 2643: # Check if more is allowed 2644: my $cid=$env{'request.course.id'}; 2645: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2646: ($override)) { 2647: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2648: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2649: # <SUP> 2650: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2651: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2652: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2653: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2654: } 2655: # Do the substitution of everything that is not explicitly allowed 2656: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2657: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2658: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2659: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2660: return $message; 2661: } 2662: 2663: sub assemble_email { 2664: my ($feedurl,$message,$prevattempts,$usersaw,$useranswer)=@_; 2665: my %lt = &Apache::lonlocal::texthash( 2666: 'prev' => 'Previous attempts of student (if applicable)', 2667: 'orig' => 'Original screen output (if applicable)', 2668: 'corr' => 'Correct Answer(s) (if applicable)', 2669: ); 2670: my $email=<<"ENDEMAIL"; 2671: $message 2672: ENDEMAIL 2673: my $citations=<<"ENDCITE"; 2674: <h2>$lt{'prev'}</h2> 2675: $prevattempts 2676: <br /><hr /> 2677: <h2>$lt{'orig'}</h2> 2678: $usersaw 2679: <h2>$lt{'corr'}</h2> 2680: $useranswer 2681: ENDCITE 2682: return ($email,$citations); 2683: } 2684: 2685: sub secapply { 2686: my $rec=shift; 2687: my $defaultflag=shift; 2688: $rec=~s/\s+//g; 2689: $rec=~s/\@/\:/g; 2690: my ($adr,$sections)=($rec=~/^([^$]+)\(([^$]+)\)/); 2691: if ($sections) { 2692: foreach my $sec (split(/\;/,$sections)) { 2693: if (($sec eq $env{'request.course.sec'}) || 2694: ($defaultflag && ($sec eq '*'))) { 2695: return $adr; 2696: } 2697: } 2698: } else { 2699: return $rec; 2700: } 2701: return ''; 2702: } 2703: 2704: =pod 2705: 2706: =over 4 2707: 2708: =item * 2709: 2710: decide_receiver($feedurl,$author,$question,$course,$policy,$defaultflag); 2711: 2712: Arguments 2713: $feedurl - /res/ url of resource (only need if $author is true) 2714: $author,$question,$course,$policy - all true/false parameters 2715: if true will attempt to find the addresses of user that should receive 2716: this type of feedback (author - feedback to author of resource $feedurl, 2717: $question 'Resource Content Questions', $course 'Course Content Question', 2718: $policy 'Course Policy') 2719: (Additionally it also checks $env for whether the corresponding form.<name> 2720: element exists, for ease of use in a html response context) 2721: 2722: $defaultflag - (internal should be left blank) if true gather addresses 2723: that aren't for a section even if I have a section 2724: (used for reccursion internally, first we look for 2725: addresses for our specific section then we recurse 2726: and look for non section addresses) 2727: 2728: Returns 2729: $typestyle - string of html text, describing what addresses were found 2730: %to - a hash, which keys are addresses of users to send messages to 2731: the keys will look like name:domain 2732: 2733: =cut 2734: 2735: sub decide_receiver { 2736: my ($feedurl,$author,$question,$course,$policy,$defaultflag) = @_; 2737: my $typestyle=''; 2738: my %to=(); 2739: if ($env{'form.discuss'} eq 'author' ||$author) { 2740: $typestyle.='Submitting as Author Feedback<br />'; 2741: $feedurl=~ m{^/res/($LONCAPA::domain_re)/($LONCAPA::username_re)/}; 2742: $to{$2.':'.$1}=1; 2743: } 2744: if ($env{'form.discuss'} eq 'question' ||$question) { 2745: $typestyle.=&mt('Submitting as Question').'<br />'; 2746: foreach my $item (split(/\,/, 2747: $env{'course.'.$env{'request.course.id'}.'.question.email'}) 2748: ) { 2749: my $rec=&secapply($item,$defaultflag); 2750: if ($rec) { $to{$rec}=1; } 2751: } 2752: } 2753: if ($env{'form.discuss'} eq 'course' ||$course) { 2754: $typestyle.=&mt('Submitting as Comment').'<br />'; 2755: foreach my $item (split(/\,/, 2756: $env{'course.'.$env{'request.course.id'}.'.comment.email'}) 2757: ) { 2758: my $rec=&secapply($item,$defaultflag); 2759: if ($rec) { $to{$rec}=1; } 2760: } 2761: } 2762: if ($env{'form.discuss'} eq 'policy' ||$policy) { 2763: $typestyle.=&mt('Submitting as Policy Feedback').'<br />'; 2764: foreach my $item (split(/\,/, 2765: $env{'course.'.$env{'request.course.id'}.'.policy.email'}) 2766: ) { 2767: my $rec=&secapply($item,$defaultflag); 2768: if ($rec) { $to{$rec}=1; } 2769: } 2770: } 2771: if ((scalar(%to) eq '0') && (!$defaultflag)) { 2772: ($typestyle,%to)= 2773: &decide_receiver($feedurl,$author,$question,$course,$policy,1); 2774: } 2775: return ($typestyle,%to); 2776: } 2777: 2778: sub feedback_available { 2779: my ($question,$course,$policy)=@_; 2780: my ($typestyle,%to)=&decide_receiver('',0,$question,$course,$policy); 2781: return scalar(%to); 2782: } 2783: 2784: sub send_msg { 2785: my ($title,$feedurl,$email,$citations,$attachmenturl,%to)=@_; 2786: my $status=''; 2787: my $sendsomething=0; 2788: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2789: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2790: foreach my $key (keys(%to)) { 2791: if ($key) { 2792: my $declutter=&Apache::lonnet::declutter($feedurl); 2793: unless (&Apache::lonmsg::user_normal_msg(split(/\:/,$key), 2794: $title.' ['.$declutter.']',$email,$citations,$feedurl, 2795: $attachmenturl)=~/ok/) { 2796: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2797: } else { 2798: $sendsomething++; 2799: } 2800: } 2801: } 2802: 2803: my %record=&Apache::lonnet::restore('_feedback'); 2804: my ($temp)=keys(%record); 2805: unless ($temp=~/^error\:/) { 2806: my %newrecord=(); 2807: $newrecord{'resource'}=$feedurl; 2808: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2809: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2810: $status.='<br />'.&mt('Not registered').'<br />'; 2811: } 2812: } 2813: 2814: return ($status,$sendsomething); 2815: } 2816: 2817: sub adddiscuss { 2818: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2819: my $status=''; 2820: my $realsymb; 2821: if ($symb=~/^bulletin___/) { 2822: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2823: $filename=~s|^adm/wrapper/||; 2824: $realsymb=&Apache::lonnet::symbread($filename); 2825: } 2826: if (&discussion_open(undef,$realsymb) && 2827: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2828: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2829: 2830: my %contrib=('message' => $email, 2831: 'sendername' => $env{'user.name'}, 2832: 'senderdomain' => $env{'user.domain'}, 2833: 'screenname' => $env{'environment.screenname'}, 2834: 'plainname' => $env{'environment.firstname'}.' '. 2835: $env{'environment.middlename'}.' '. 2836: $env{'environment.lastname'}.' '. 2837: $env{'enrironment.generation'}, 2838: 'attachmenturl'=> $attachmenturl, 2839: 'subject' => $subject); 2840: if ($env{'form.replydisc'}) { 2841: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2842: } 2843: if ($anon) { 2844: $contrib{'anonymous'}='true'; 2845: } 2846: if (($symb) && ($email)) { 2847: my $now = time; 2848: if ($env{'form.editdisc'}) { 2849: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2850: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2851: $contrib{'timestamp'} = $now; 2852: $contrib{'history'} = ''; 2853: my $numoldver = 0; 2854: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2855: &Apache::lonenc::check_decrypt(\$oldsymb); 2856: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2857: # get timestamp for last post and history 2858: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2859: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2860: $env{'course.'.$env{'request.course.id'}.'.num'}); 2861: if (defined($oldcontrib{$oldidx.':replyto'})) { 2862: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2863: } 2864: if (defined($oldcontrib{$oldidx.':history'})) { 2865: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2866: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2867: $numoldver = @oldversions; 2868: } else { 2869: $numoldver = 1; 2870: } 2871: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2872: } 2873: my $numnewver = $numoldver + 1; 2874: if (defined($oldcontrib{$oldidx.':subject'})) { 2875: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2876: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2877: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2878: } else { 2879: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2880: } 2881: } 2882: if (defined($oldcontrib{$oldidx.':message'})) { 2883: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2884: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2885: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2886: } else { 2887: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2888: } 2889: } 2890: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2891: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2892: $oldsymb,$oldidx,\%contrib, 2893: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2894: $env{'course.'.$env{'request.course.id'}.'.num'}); 2895: $status='Editing class discussion'.($anon?' (anonymous)':''); 2896: } else { 2897: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2898: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2899: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2900: $env{'course.'.$env{'request.course.id'}.'.num'}); 2901: } 2902: my %storenewentry=($symb => $now); 2903: $status.='<br />'.&mt('Updating discussion time').': '. 2904: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2905: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2906: $env{'course.'.$env{'request.course.id'}.'.num'}); 2907: } 2908: my %record=&Apache::lonnet::restore('_discussion'); 2909: my ($temp)=keys(%record); 2910: unless ($temp=~/^error\:/) { 2911: my %newrecord=(); 2912: $newrecord{'resource'}=$symb; 2913: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2914: $status.='<br />'.&mt('Registering').': '. 2915: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2916: } 2917: } else { 2918: $status.='Failed.'; 2919: } 2920: return $status.'<br />'; 2921: } 2922: 2923: sub get_discussion_info { 2924: my ($idx,%contrib) = @_; 2925: my $changelast = 0; 2926: my $count = 0; 2927: my $hiddenflag = 0; 2928: my $deletedflag = 0; 2929: my ($hidden,$deleted,%info,$newlastdisc); 2930: my $version = $contrib{'version'}; 2931: if ($version) { 2932: for (my $id=$version; $id>0; $id--) { 2933: my $vkeys=$contrib{$id.':keys'}; 2934: my @keys=split(/:/,$vkeys); 2935: if (grep(/^hidden$/,@keys)) { 2936: if (!$hiddenflag) { 2937: $hidden = $contrib{$id.':hidden'}; 2938: $hiddenflag = 1; 2939: } 2940: } elsif (grep(/^deleted$/,@keys)) { 2941: if (!$deletedflag) { 2942: $deleted = $contrib{$id.':deleted'}; 2943: $deletedflag = 1; 2944: } 2945: } else { 2946: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2947: $count++; 2948: $info{$count}{'id'} = $id; 2949: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2950: } 2951: } 2952: } 2953: if ($info{'1'}{'id'} == $idx) { 2954: $changelast = 1; 2955: if ($count > 1) { 2956: $newlastdisc = $info{'2'}{'timestamp'}; 2957: } else { 2958: $newlastdisc = 0; 2959: } 2960: } 2961: } 2962: return ($changelast,$newlastdisc); 2963: } 2964: 2965: # ----------------------------------------------------------- Preview function 2966: 2967: sub show_preview { 2968: my ($r) = @_; 2969: &Apache::loncommon::content_type($r,'text/html'); 2970: $r->send_http_header; 2971: my $start_page= 2972: &Apache::loncommon::start_page('Preview',undef, 2973: {'only_body' => 1,}); 2974: 2975: my $message=&clear_out_html($env{'form.comment'}); 2976: &newline_to_br(\$message); 2977: $message=&Apache::lonspeller::markeduptext($message); 2978: $message=&Apache::lontexconvert::msgtexconverted($message); 2979: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2980: $subject=~s/\n/\<br \/\>/g; 2981: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2982: 2983: my $end_page = &Apache::loncommon::end_page(); 2984: 2985: $r->print($start_page.'<table border="2"><tr><td>'. 2986: '<b>'.&mt('Subject').':</b> '.$subject.'<br /><br />'. 2987: $message.'</td></tr></table>'.$end_page); 2988: } 2989: 2990: 2991: sub newline_to_br { 2992: my ($message)=@_; 2993: my $newmessage; 2994: my $parser=HTML::LCParser->new($message); 2995: while (my $token=$parser->get_token()) { 2996: if ($token->[0] eq 'T') { 2997: my $text=$token->[1]; 2998: $text=~s/\n/\<br \/\>/g; 2999: $newmessage.=$text; 3000: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3001: $newmessage.=$token->[1]; 3002: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3003: $newmessage.=$token->[2]; 3004: } elsif ($token->[0] eq 'S') { 3005: $newmessage.=$token->[4]; 3006: } 3007: 3008: } 3009: $$message=$newmessage; 3010: } 3011: 3012: sub generate_preview_button { 3013: my ($formname,$fieldname)=@_; 3014: unless ($formname) { $formname='mailform'; } 3015: unless ($fieldname) { $fieldname='comment'; } 3016: my $pre=&mt("Show Preview and Check Spelling"); 3017: return(<<ENDPREVIEW); 3018: <br /> 3019: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3020: <input type="hidden" name="subject"> 3021: <input type="hidden" name="comment" /> 3022: <input type="button" value="$pre" 3023: 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();" /> 3024: </form> 3025: ENDPREVIEW 3026: } 3027: 3028: sub modify_attachments { 3029: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls)=@_; 3030: 3031: my %lt = &Apache::lonlocal::texthash( 3032: 'subj' => 'Subject', 3033: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3034: 'chth' => 'Check the checkboxes for any you wish to remove.', 3035: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3036: 'adda' => 'Add a new attachment to this post.', 3037: 'stch' => 'Store Changes', 3038: ); 3039: my $js = <<END; 3040: <script type="text/javascript"> 3041: function setAction () { 3042: document.modattachments.action = document.modattachments.origpage.value; 3043: document.modattachments.submit(); 3044: } 3045: </script> 3046: END 3047: 3048: my $start_page = 3049: &Apache::loncommon::start_page('Discussion Post Attachments',$js); 3050: 3051: my $orig_subject = &unescape($env{'form.subject'}); 3052: my $subject=&clear_out_html($orig_subject,undef,1); 3053: $subject=~s/\n/\<br \/\>/g; 3054: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3055: my $timestamp=$env{'form.timestamp'}; 3056: my $numoldver=$env{'form.numoldver'}; 3057: 3058: my $msg = ''; 3059: my %attachments = (); 3060: my %currattach = (); 3061: if ($idx) { 3062: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3063: } 3064: &Apache::lonenc::check_encrypt(\$symb); 3065: 3066: my $end_page = 3067: &Apache::loncommon::end_page(); 3068: 3069: $r->print(<<END); 3070: $start_page 3071: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3072: <table border="2"> 3073: <tr> 3074: <td> 3075: <b>Subject:</b> $subject</b><br /><br /> 3076: END 3077: if ($idx) { 3078: if ($attachmenturls) { 3079: my @currold = keys(%currattach); 3080: if (@currold > 0) { 3081: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3082: foreach my $id (@currold) { 3083: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3084: $attachurl =~ m#/([^/]+)$#; 3085: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3086: } 3087: $r->print("<br />"); 3088: } 3089: } 3090: } 3091: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3092: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3093: foreach my $attach (@{$currnewattach}) { 3094: $attach =~ m#/([^/]+)$#; 3095: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3096: } 3097: $r->print("<br />"); 3098: } 3099: $r->print(<<END); 3100: $lt{'adda'} <input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 3101: </td> 3102: </tr> 3103: </table> 3104: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3105: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3106: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3107: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3108: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3109: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3110: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3111: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3112: END 3113: foreach my $item (@{$currnewattach}) { 3114: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3115: } 3116: foreach my $item (@{$currdelold}) { 3117: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3118: } 3119: $r->print(<<END); 3120: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()"/> 3121: </form> 3122: $end_page 3123: END 3124: return; 3125: } 3126: 3127: sub process_attachments { 3128: my ($currnewattach,$currdelold,$keepold) = @_; 3129: 3130: @{$currnewattach}= 3131: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3132: @{$currdelold}= 3133: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3134: if (exists($env{'form.delnewattach'})) { 3135: my @currdelnew = 3136: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3137: my @currnew = (); 3138: foreach my $newone (@{$currnewattach}) { 3139: my $delflag = 0; 3140: foreach my $item (@currdelnew) { 3141: if ($newone eq $item) { 3142: $delflag = 1; 3143: last; 3144: } 3145: } 3146: unless ($delflag) { 3147: push(@currnew, $newone); 3148: } 3149: } 3150: @{$currnewattach} = @currnew; 3151: } 3152: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3153: } 3154: 3155: sub generate_attachments_button { 3156: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3157: $numoldver,$mode,$blockblog) = @_; 3158: my $origpage = $ENV{'REQUEST_URI'}; 3159: my $att=$attachnum.' '.&mt("attachments"); 3160: my %lt = &Apache::lonlocal::texthash( 3161: 'clic' => 'Click to add/remove attachments', 3162: ); 3163: my $response = (<<END); 3164: <br /> 3165: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3166: $lt{'clic'}: <input type="button" value="$att" 3167: 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); 3168: END 3169: if (!$blockblog) { 3170: $response .= 'setblogvalue();'; 3171: } 3172: unless ($mode eq 'board') { 3173: $response .= 'javascript:anonchk();'; 3174: } 3175: $response .= (<<ENDATTACH); 3176: this.form.submit();" /> 3177: <input type="hidden" name="origpage" value="$origpage" /> 3178: <input type="hidden" name="idx" value="$idx" /> 3179: <input type="hidden" name="timestamp" value="$now" /> 3180: <input type="hidden" name="subject" /> 3181: <input type="hidden" name="comment" /> 3182: <input type="hidden" name="blog" value = "0" /> 3183: <input type="hidden" name="discuss" value = "0" /> 3184: <input type="hidden" name="numoldver" value="$numoldver" /> 3185: ENDATTACH 3186: if (defined($deloldattach)) { 3187: if (@{$deloldattach} > 0) { 3188: foreach my $delatt (@{$deloldattach}) { 3189: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3190: } 3191: } 3192: } 3193: if (defined($currnewattach)) { 3194: if (@{$currnewattach} > 0) { 3195: foreach my $attach (@{$currnewattach}) { 3196: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3197: } 3198: } 3199: } 3200: $response .= '</form>'; 3201: return $response; 3202: } 3203: 3204: sub extract_attachments { 3205: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3206: %{$attachments}=(); 3207: &get_post_attachments($attachments,$attachmenturls); 3208: foreach my $id (sort(keys(%{$attachments}))) { 3209: if (exists($$attachments{$id}{$numoldver})) { 3210: if (defined($currdelold)) { 3211: if (@{$currdelold} > 0) { 3212: unless (grep/^$id$/,@{$currdelold}) { 3213: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3214: } 3215: } else { 3216: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3217: } 3218: } else { 3219: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3220: } 3221: } 3222: } 3223: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3224: if (@attached == 1) { 3225: my $id = $attached[0]; 3226: my $attachurl; 3227: if ($attachmenturls =~ m/^<attachment id="0">/) { 3228: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3229: } else { 3230: $attachurl = $$attachments{$id}{'filename'}; 3231: } 3232: $attachurl=~m|/([^/]+)$|; 3233: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3234: $1.'</tt></a><br />'; 3235: &Apache::lonnet::allowuploaded('/adm/feedback', 3236: $attachurl); 3237: } elsif (@attached > 1) { 3238: $$message.='<ol>'; 3239: foreach my $attach (@attached) { 3240: my $id = $attach; 3241: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3242: my ($fname) 3243: =($attachurl=~m|/([^/]+)$|); 3244: $$message .= '<li><a href="'.$attachurl. 3245: '"><tt>'. 3246: $fname.'</tt></a></li>'; 3247: &Apache::lonnet::allowuploaded('/adm/feedback', 3248: $attachurl); 3249: } 3250: $$message .= '</ol>'; 3251: } 3252: } 3253: 3254: sub construct_attachmenturl { 3255: my ($currnewattach,$keepold,$symb,$idx)=@_; 3256: my $oldattachmenturl; 3257: my $newattachmenturl; 3258: my $startnum = 0; 3259: my $currver = 0; 3260: if (($env{'form.editdisc'}) && ($idx)) { 3261: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3262: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3263: $env{'course.'.$env{'request.course.id'}.'.num'}); 3264: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3265: if ($contrib{$idx.':history'}) { 3266: if ($contrib{$idx.':history'} =~ /:/) { 3267: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3268: $currver = 1 + scalar(@oldversions); 3269: } else { 3270: $currver = 2; 3271: } 3272: } else { 3273: $currver = 1; 3274: } 3275: if ($oldattachmenturl) { 3276: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3277: my %attachments = (); 3278: my $prevver = $currver-1; 3279: &get_post_attachments(\%attachments,$oldattachmenturl); 3280: my $numattach = scalar(keys(%attachments)); 3281: $startnum += $numattach; 3282: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3283: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3284: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3285: unless ($item eq 'filename') { 3286: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3287: } 3288: } 3289: if (grep/^$num$/,@{$keepold}) { 3290: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3291: } 3292: $newattachmenturl .= '</attachment>'; 3293: } 3294: } else { 3295: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3296: unless (grep/^0$/,@{$keepold}) { 3297: $newattachmenturl .= '<post id="1">n</post>'; 3298: } 3299: $newattachmenturl .= '</attachment>'; 3300: $startnum ++; 3301: } 3302: } 3303: } 3304: for (my $i=0; $i<@{$currnewattach}; $i++) { 3305: my $attachnum = $startnum + $i; 3306: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3307: } 3308: return $newattachmenturl; 3309: } 3310: 3311: sub add_blog_checkbox { 3312: my ($checkstatus); 3313: if ($env{'form.blog'}) { 3314: $checkstatus = 'checked="checked"'; 3315: } 3316: my $output = ' 3317: <script type="text/javascript"> 3318: function setblogvalue() { 3319: if (document.mailform.blog.checked) { 3320: document.attachment.blog.value = 1; 3321: } else { 3322: document.attachment.blog.value = 0; 3323: } 3324: } 3325: </script><br /> 3326: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '. 3327: &mt('Add to my public course blog').'</label><br />'."\n"; 3328: return $output; 3329: } 3330: 3331: sub has_discussion { 3332: my $resourcesref = shift; 3333: my $navmap = Apache::lonnavmaps::navmap->new(); 3334: my @allres=$navmap->retrieveResources(); 3335: foreach my $resource (@allres) { 3336: if ($resource->hasDiscussion()) { 3337: my $ressymb = $resource->wrap_symb(); 3338: push(@{$resourcesref}, $ressymb); 3339: } 3340: } 3341: return; 3342: } 3343: 3344: sub sort_filter_names { 3345: my ($sort_types,$role_types,$status_types) = @_; 3346: %{$sort_types} = ( 3347: ascdate => 'Date order - oldest first', 3348: descdate => 'Date order - newest first', 3349: thread => 'Threaded', 3350: subject => 'By subject', 3351: username => 'By domain and username', 3352: lastfirst => 'By last name, first name' 3353: ); 3354: %{$role_types} = ( 3355: all => 'All roles', 3356: st => 'Students', 3357: cc => 'Course Coordinators', 3358: in => 'Instructors', 3359: ta => 'TAs', 3360: ep => 'Exam proctors', 3361: ad => 'Administrators', 3362: cr => 'Custom roles' 3363: ); 3364: %{$status_types} = ( 3365: all => 'Roles of any status', 3366: Active => 'Only active roles', 3367: Expired => 'Only past roles', 3368: Future => 'Only future roles', 3369: ); 3370: } 3371: 3372: sub handler { 3373: my $r = shift; 3374: if ($r->header_only) { 3375: &Apache::loncommon::content_type($r,'text/html'); 3376: $r->send_http_header; 3377: return OK; 3378: } 3379: 3380: # --------------------------- Get query string for limited number of parameters 3381: 3382: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3383: ['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']); 3384: my $group = $env{'form.group'}; 3385: if ($env{'form.editdisc'}) { 3386: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3387: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3388: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3389: my $feedurl=&Apache::lonnet::clutter($url); 3390: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3391: undef,undef,undef,$group); 3392: return OK; 3393: } 3394: } 3395: if ($env{'form.discsymb'}) { 3396: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3397: my $readkey = $symb.'_read'; 3398: my $chgcount = 0; 3399: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3400: foreach my $key (keys(%env)) { 3401: if ($key =~ m/^form\.postunread_(\d+)/) { 3402: if ($readinghash{$readkey} =~ /\.$1\./) { 3403: $readinghash{$readkey} =~ s/\.$1\.//; 3404: $chgcount ++; 3405: } 3406: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3407: unless ($readinghash{$readkey} =~ /\.$1\./) { 3408: $readinghash{$readkey} .= '.'.$1.'.'; 3409: $chgcount ++; 3410: } 3411: } 3412: } 3413: if ($chgcount > 0) { 3414: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3415: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3416: } 3417: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3418: '0','0','','',$env{'form.previous'},'','','', 3419: undef,undef,undef,$group); 3420: return OK; 3421: } 3422: if ($env{'form.allversions'}) { 3423: &Apache::loncommon::content_type($r,'text/html'); 3424: &Apache::loncommon::no_cache($r); 3425: $r->send_http_header; 3426: 3427: $r->print(&Apache::loncommon::start_page('Discussion Post Versions')); 3428: 3429: my $crs='/'.$env{'request.course.id'}; 3430: if ($env{'request.course.sec'}) { 3431: $crs.='_'.$env{'request.course.sec'}; 3432: } 3433: $crs=~s|_|/|g; 3434: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3435: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3436: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3437: ($symb)=&get_feedurl_and_clean_symb($symb); 3438: my $ressymb = &wrap_symb($symb); 3439: my $group = $env{'form.group'}; 3440: my $seeid; 3441: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3442: if (&check_group_priv($group,'dgp') eq 'ok') { 3443: $seeid = 1; 3444: } 3445: } else { 3446: $seeid = &Apache::lonnet::allowed('rin',$crs); 3447: } 3448: if ($idx > 0) { 3449: my %messages = (); 3450: my %subjects = (); 3451: my %attachmsgs = (); 3452: my %allattachments = (); 3453: my %imsfiles = (); 3454: my ($screenname,$plainname); 3455: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3456: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3457: $env{'course.'.$env{'request.course.id'}.'.num'}); 3458: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3459: } 3460: $r->print(&Apache::loncommon::end_page()); 3461: return OK; 3462: } 3463: if ($env{'form.posterlist'}) { 3464: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3465: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3466: $env{'form.sortposts'}); 3467: return OK; 3468: } 3469: if ($env{'form.userpick'}) { 3470: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3471: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3472: my $numpicks = @posters; 3473: my %discinfo; 3474: $discinfo{$symb.'_userpick'} = join('&',@posters); 3475: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3476: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3477: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3478: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3479: '',$numpicks,$group); 3480: return OK; 3481: } 3482: if ($env{'form.applysort'}) { 3483: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3484: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3485: '',$env{'form.previous'},$env{'form.sortposts'}, 3486: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3487: $env{'form.sectionpick'},$env{'form.grouppick'}, 3488: undef,$group); 3489: return OK; 3490: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3491: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3492: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3493: return OK; 3494: } elsif ($env{'form.navtime'}) { 3495: my %discinfo = (); 3496: my @resources = (); 3497: if (defined($env{'form.navmaps'})) { 3498: if ($env{'form.navmaps'} =~ /:/) { 3499: @resources = split(/:/,$env{'form.navmaps'}); 3500: } else { 3501: @resources = ("$env{'form.navmaps'}"); 3502: } 3503: } else { 3504: &has_discussion(\@resources); 3505: } 3506: my $numitems = @resources; 3507: my $feedurl = '/adm/navmaps'; 3508: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3509: my %lt = &Apache::lonlocal::texthash( 3510: 'mnpa' => 'Marked "New" posts as read in a total of', 3511: 'robb' => 'resources/bulletin boards.', 3512: 'twnp' => 'There are currently no resources or bulletin boards with unread discussion postings.' 3513: ); 3514: foreach my $res (@resources) { 3515: my $ressymb=$res; 3516: &Apache::lonenc::check_decrypt(\$ressymb); 3517: my $lastkey = $ressymb.'_lastread'; 3518: $discinfo{$lastkey} = $env{'form.navtime'}; 3519: } 3520: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3521: if ($numitems > 0) { 3522: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3523: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3524: } else { 3525: $textline = "<b>$lt{'twnp'}</b>"; 3526: } 3527: &Apache::loncommon::content_type($r,'text/html'); 3528: $r->send_http_header; 3529: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3530: my %onload; 3531: if ($env{'environment.remote'} ne 'off') { 3532: $onload{'onload'} = 3533: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3534: } 3535: 3536: my $start_page= 3537: &Apache::loncommon::start_page('New posts marked as read',undef, 3538: {'redirect' => [2,$feedurl], 3539: 'only_body' => 1, 3540: 'add_entries' => \%onload}); 3541: my $end_page = &Apache::loncommon::end_page(); 3542: $r->print (<<ENDREDIR); 3543: $start_page 3544: <img align="right" src="$logo" /> 3545: $textline 3546: <form name="reldt" action="$feedurl" target="loncapaclient"> 3547: </form> 3548: <br /> 3549: $end_page 3550: ENDREDIR 3551: return OK; 3552: } elsif ($env{'form.modifydisp'}) { 3553: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3554: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3555: split(/_/,$env{'form.changes'}); 3556: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3557: $dispchgB,$markchg,$toggchg,$feedurl); 3558: return OK; 3559: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3560: $env{'form.allposts'} || $env{'form.onlyunread'} || 3561: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3562: $env{'form.toggon'} || $env{'form.markread'}) { 3563: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3564: my %discinfo; 3565: # ------------------------ Modify setting for read/unread toggle for each post 3566: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3567: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3568: # --------- Modify setting for identification of 'NEW' posts in this discussion 3569: if ($env{'form.markondisp'}) { 3570: $discinfo{$symb.'_lastread'} = time; 3571: $discinfo{$symb.'_markondisp'} = 1; 3572: } 3573: if ($env{'form.markonread'}) { 3574: if ( $env{'form.previous'} > 0 ) { 3575: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3576: } 3577: $discinfo{$symb.'_markondisp'} = 0; 3578: } 3579: # --------------------------------- Modify display setting for this discussion 3580: if ($env{'form.allposts'}) { 3581: $discinfo{$symb.'_showonlyunread'} = 0; 3582: $discinfo{$symb.'_showonlyunmark'} = 0; 3583: } 3584: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3585: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3586: # ----------------------------------------------------- Mark new posts not NEW 3587: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3588: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3589: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3590: my $previous=$env{'form.previous'}; 3591: if ($env{'form.markondisp'}) { $previous=undef; } 3592: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3593: '0','0','','',$previous,'','','','','','',$group); 3594: return OK; 3595: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3596: # ----------------------------------------------------------------- Hide/unhide 3597: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3598: my ($symb,$idx)=split(/\:\:\:/,$entry); 3599: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3600: 3601: my $crs='/'.$env{'request.course.id'}; 3602: if ($env{'request.course.sec'}) { 3603: $crs.='_'.$env{'request.course.sec'}; 3604: } 3605: $crs=~s/\_/\//g; 3606: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3607: 3608: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3609: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3610: undef,undef,$group,); 3611: return OK; 3612: } 3613: 3614: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3615: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3616: $env{'course.'.$env{'request.course.id'}.'.num'}); 3617: 3618: my $currenthidden=$contrib{'hidden'}; 3619: my $currentstudenthidden=$contrib{'studenthidden'}; 3620: 3621: if ($env{'form.hide'}) { 3622: $currenthidden.='.'.$idx.'.'; 3623: unless ($seeid) { 3624: $currentstudenthidden.='.'.$idx.'.'; 3625: } 3626: } else { 3627: $currenthidden=~s/\.$idx\.//g; 3628: } 3629: my %newhash=('hidden' => $currenthidden); 3630: if ( ($env{'form.hide'}) && (!$seeid) ) { 3631: $newhash{'studenthidden'} = $currentstudenthidden; 3632: } 3633: if ($env{'form.hide'}) { 3634: my $changelast = 0; 3635: my $newlast; 3636: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3637: if ($changelast) { 3638: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3639: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3640: $env{'course.'.$env{'request.course.id'}.'.num'}); 3641: } 3642: } 3643: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3644: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3645: $env{'course.'.$env{'request.course.id'}.'.num'}); 3646: 3647: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3648: '0','0','','',$env{'form.previous'},undef,undef,undef, 3649: undef,undef,undef,$group); 3650: return OK; 3651: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3652: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3653: if ($env{'form.cmd'} eq 'threadedon') { 3654: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3655: &Apache::lonnet::appenv('environment.threadeddiscussion' => 'on'); 3656: } else { 3657: &Apache::lonnet::del('environment',['threadeddiscussion']); 3658: &Apache::lonnet::delenv('environment\.threadeddiscussion'); 3659: } 3660: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3661: '0','0','','',$env{'form.previous'},undef,undef,undef, 3662: undef,undef,undef,$group); 3663: return OK; 3664: } elsif ($env{'form.deldisc'}) { 3665: # --------------------------------------------------------------- Hide for good 3666: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3667: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3668: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3669: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3670: $env{'course.'.$env{'request.course.id'}.'.num'}); 3671: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3672: if ($changelast) { 3673: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3674: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3675: } 3676: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3677: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3678: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3679: $env{'course.'.$env{'request.course.id'}.'.num'}); 3680: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3681: '0','0','','',$env{'form.previous'},undef,undef,undef, 3682: undef,undef,undef,$group); 3683: return OK; 3684: } elsif ($env{'form.preview'}) { 3685: # -------------------------------------------------------- User wants a preview 3686: &show_preview($r); 3687: return OK; 3688: } elsif ($env{'form.attach'}) { 3689: # -------------------------------------------------------- Work on attachments 3690: &Apache::loncommon::content_type($r,'text/html'); 3691: $r->send_http_header; 3692: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3693: my (@currnewattach,@currdelold,@keepold); 3694: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3695: if (exists($env{'form.addnewattach.filename'})) { 3696: unless (length($env{'form.addnewattach'})>131072) { 3697: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3698: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3699: push(@currnewattach, $newattachment); 3700: } 3701: } 3702: my $attachmenturls; 3703: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3704: my $idx = $env{'form.idx'}; 3705: if ($idx) { 3706: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3707: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3708: $env{'course.'.$env{'request.course.id'}.'.num'}); 3709: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3710: } 3711: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3712: $attachmenturls); 3713: return OK; 3714: } elsif ($env{'form.export'}) { 3715: &Apache::loncommon::content_type($r,'text/html'); 3716: $r->send_http_header; 3717: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3718: my $mode='board'; 3719: my $status='OPEN'; 3720: my $previous=$env{'form.previous'}; 3721: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3722: $mode='problem'; 3723: $status=$Apache::inputtags::status[-1]; 3724: } 3725: my $discussion = &list_discussion($mode,$status,$symb); 3726: my $start_page = 3727: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3728: my $end_page = 3729: &Apache::loncommon::end_page(); 3730: $r->print($start_page.$discussion.$end_page); 3731: return OK; 3732: } else { 3733: # ------------------------------------------------------------- Normal feedback 3734: my $feedurl=$env{'form.postdata'}; 3735: $feedurl=~s/^http\:\/\///; 3736: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3737: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3738: $feedurl=~s/\?.+$//; 3739: 3740: my $symb; 3741: if ($env{'form.replydisc'}) { 3742: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3743: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3744: $feedurl=&Apache::lonnet::clutter($url); 3745: } elsif ($env{'form.editdisc'}) { 3746: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3747: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3748: $feedurl=&Apache::lonnet::clutter($url); 3749: } elsif ($env{'form.origpage'}) { 3750: $symb=""; 3751: } else { 3752: $symb=&Apache::lonnet::symbread($feedurl); 3753: } 3754: unless ($symb) { 3755: $symb=$env{'form.symb'}; 3756: if ($symb) { 3757: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3758: $feedurl=&Apache::lonnet::clutter($url); 3759: } 3760: } 3761: &Apache::lonenc::check_decrypt(\$symb); 3762: my $goahead=1; 3763: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3764: unless ($symb) { $goahead=0; } 3765: } 3766: # backward compatibility (bulletin boards used to be 'wrapped') 3767: &dewrapper(\$feedurl); 3768: if (!$goahead) { 3769: # Ambiguous Problem Resource 3770: $r->internal_redirect('/adm/ambiguous'); 3771: return OK; 3772: } 3773: # Go ahead with feedback, no ambiguous reference 3774: unless ( 3775: ( 3776: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3777: ) 3778: || 3779: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3780: || 3781: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3782: ) { 3783: &Apache::loncommon::content_type($r,'text/html'); 3784: $r->send_http_header; 3785: # Unable to give feedback 3786: &Apache::lonenc::check_encrypt(\$feedurl); 3787: &no_redirect_back($r,$feedurl); 3788: return OK; 3789: } 3790: # --------------------------------------------------- Print login screen header 3791: unless ($env{'form.sendit'}) { 3792: &Apache::lonenc::check_encrypt(\$feedurl); 3793: &Apache::loncommon::content_type($r,'text/html'); 3794: $r->send_http_header; 3795: my $options=&screen_header($feedurl,$symb); 3796: if ($options) { 3797: &mail_screen($r,$feedurl,$options); 3798: } else { 3799: &fail_redirect($r,$feedurl); 3800: } 3801: return OK; 3802: } 3803: 3804: # Get previous user input 3805: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3806: $symb,$env{'user.name'},$env{'user.domain'}, 3807: $env{'request.course.id'}); 3808: 3809: # Get output from resource 3810: my $usersaw=&resource_output($feedurl); 3811: 3812: # Get resource answer (need to allow student to view grades for this to work) 3813: &Apache::lonnet::appenv(('allowed.vgr'=>'F')); 3814: my $useranswer=&Apache::loncommon::get_student_answers( 3815: $symb,$env{'user.name'},$env{'user.domain'}, 3816: $env{'request.course.id'}); 3817: &Apache::lonnet::delenv('allowed.vgr'); 3818: # Get attachments, if any, and not too large 3819: my $attachmenturl=''; 3820: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3821: ($env{'form.replydisc'})) { 3822: my ($symb,$idx); 3823: if ($env{'form.replydisc'}) { 3824: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3825: } elsif ($env{'form.editdisc'}) { 3826: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3827: } elsif ($env{'form.origpage'}) { 3828: $symb = $env{'form.symb'}; 3829: } 3830: &Apache::lonenc::check_decrypt(\$symb); 3831: my @currnewattach = (); 3832: my @deloldattach = (); 3833: my @keepold = (); 3834: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3835: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3836: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3837: } elsif ($env{'form.attachment.filename'}) { 3838: unless (length($env{'form.attachment'})>131072) { 3839: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,'feedback'); 3840: } 3841: } 3842: # Filter HTML out of message (could be nasty) 3843: my $message=&clear_out_html($env{'form.comment'}); 3844: 3845: # Assemble email 3846: my ($email,$citations)=&assemble_email($feedurl,$message,$prevattempts, 3847: $usersaw,$useranswer); 3848: 3849: # Who gets this? 3850: my ($typestyle,%to) = &decide_receiver($feedurl); 3851: 3852: # Actually send mail 3853: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3854: undef,1), 3855: $feedurl,$email,$citations, 3856: $attachmenturl,%to); 3857: 3858: # Discussion? Store that. 3859: my $numpost=0; 3860: if ( ($env{'form.discuss'} ne '' 3861: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3862: || $env{'form.anondiscuss'} ne '') { 3863: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3864: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3865: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3866: $subject); 3867: $numpost++; 3868: } 3869: 3870: # Add to blog? 3871: 3872: my $blog=''; 3873: if ($env{'form.blog'}) { 3874: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3875: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3876: $env{'user.domain'}, 3877: 'CourseBlog_'.$env{'request.course.id'}, 3878: $subject,$message,$feedurl,'public'); 3879: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3880: } 3881: 3882: # Receipt screen and redirect back to where came from 3883: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group); 3884: } 3885: return OK; 3886: } 3887: 3888: sub wrap_symb { 3889: my ($ressymb)=@_; 3890: if ($ressymb =~ /bulletin___\d+___/) { 3891: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3892: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3893: } 3894: } 3895: return $ressymb; 3896: } 3897: sub dewrapper { 3898: my ($feedurl)=@_; 3899: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3900: $$feedurl=~s|^/adm/wrapper||; 3901: } 3902: } 3903: 3904: sub get_feedurl { 3905: my ($symb)=@_; 3906: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3907: my $feedurl = &Apache::lonnet::clutter($url); 3908: &dewrapper(\$feedurl); 3909: return $feedurl; 3910: } 3911: 3912: sub get_feedurl_and_clean_symb { 3913: my ($symb)=@_; 3914: &Apache::lonenc::check_decrypt(\$symb); 3915: # backward compatibility (bulletin boards used to be 'wrapped') 3916: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3917: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3918: } 3919: my $feedurl = &get_feedurl($symb); 3920: return ($symb,$feedurl); 3921: } 3922: 3923: sub editing_allowed { 3924: my ($postid,$group) = @_; 3925: $postid = &unescape($postid); 3926: my $can_edit = 0; 3927: if ($group ne '') { 3928: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3929: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3930: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3931: if (&check_group_priv($group,'egp') eq 'ok') { 3932: $can_edit = 1; 3933: } 3934: return $can_edit; 3935: } 3936: } 3937: my $cid = $env{'request.course.id'}; 3938: my $role = (split(/\./,$env{'request.role'}))[0]; 3939: my $section = $env{'request.course.sec'}; 3940: my $allow_editing_config = 3941: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 3942: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 3943: $can_edit = 1; 3944: } else { 3945: foreach my $editor (split(/,/,$allow_editing_config)) { 3946: my ($editor_role,$editor_sec) = split(/:/,$editor); 3947: if ($editor_role eq $role 3948: && defined($editor_sec) 3949: && defined($section) 3950: && $editor_sec eq $section) { 3951: $can_edit = 1; 3952: last; 3953: } 3954: if ($editor_role eq $role 3955: && !defined($editor_sec)) { 3956: $can_edit = 1; 3957: } 3958: } 3959: } 3960: return $can_edit; 3961: } 3962: 3963: sub check_group_priv { 3964: my ($group,$grp_priv) = @_; 3965: foreach my $priv ('mdg','vcg') { 3966: my $checkcourse = $env{'request.course.id'}. 3967: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 3968: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 3969: return 'ok'; 3970: } 3971: } 3972: if ($grp_priv && $group ne '') { 3973: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 3974: return 'ok'; 3975: } 3976: } 3977: return ''; 3978: } 3979: 3980: sub group_args { 3981: my ($group) = @_; 3982: if ($group eq '') { return ''; } 3983: my $extra_args = '&group='.$group; 3984: if (exists($env{'form.ref'})) { 3985: $extra_args .= '&ref='.$env{'form.ref'}; 3986: } 3987: return $extra_args; 3988: } 3989: 3990: 1; 3991: __END__