loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.290.2.1: download - view: text, annotated - select for diffs
Thu May 27 14:34:41 2010 UTC (14 years ago) by raeburn
Branches: version_2_10_X

- Backport 1.292, 1.293.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.290.2.1 2010/05/27 14:34:41 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: if ($env{'request.role.adv'}) { return 1; } 53: if (defined($status) && 54: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 55: || $status eq 'OPEN')) { 56: return 0; 57: } 58: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 59: if (defined($close) && $close ne '' && $close < time) { 60: return 0; 61: } 62: return 1; 63: } 64: 65: sub discussion_visible { 66: my ($status)=@_; 67: if (not &discussion_open($status)) { 68: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 69: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 70: if (!$env{'request.role.adv'}) { return 0; } 71: } 72: } 73: return 1; 74: } 75: 76: sub list_discussion { 77: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 78: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 79: unless ($ressymb) { return ''; } 80: $ressymb=&wrap_symb($ressymb); 81: my $outputtarget=$env{'form.grade_target'}; 82: if (defined($env{'form.export'})) { 83: if($env{'form.export'}) { 84: $outputtarget = 'export'; 85: } 86: } 87: if (defined($imsextras)) { 88: if ($$imsextras{'caller'} eq 'imsexport') { 89: $outputtarget = 'export'; 90: } 91: } 92: if (not &discussion_visible($status)) { 93: if ($mode ne 'board') { 94: &Apache::lonenc::check_encrypt(\$ressymb); 95: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 96: } 97: } 98: if ($group ne '' && $mode eq 'board') { 99: if (&check_group_priv($group,'vgb') ne 'ok') { 100: return ''; 101: } 102: } 103: 104: my ($blocked,$blocktext) = 105: &Apache::loncommon::blocking_status('boards'); 106: if ($blocked) { 107: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 108: &Apache::lonenc::check_encrypt(\$ressymb); 109: if ($mode ne 'board') { 110: $blocktext.=&send_message_link($ressymb).'</div>'; 111: }else{ 112: $blocktext.="</div>"; 113: } 114: return $blocktext; 115: } 116: 117: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 118: my $discussiononly=0; 119: if ($mode eq 'board') { $discussiononly=1; } 120: unless ($env{'request.course.id'}) { return ''; } 121: my $crs='/'.$env{'request.course.id'}; 122: my $cid=$env{'request.course.id'}; 123: if ($env{'request.course.sec'}) { 124: $crs.='_'.$env{'request.course.sec'}; 125: } 126: $crs=~s/\_/\//g; 127: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 128: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 129: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 130: 131: my %usernamesort = (); 132: my %namesort =(); 133: my %subjectsort = (); 134: 135: # Get discussion display settings for this discussion 136: my $lastkey = $ressymb.'_lastread'; 137: my $showkey = $ressymb.'_showonlyunread'; 138: my $markkey = $ressymb.'_showonlyunmark', 139: my $visitkey = $ressymb.'_visit'; 140: my $ondispkey = $ressymb.'_markondisp'; 141: my $userpickkey = $ressymb.'_userpick'; 142: my $toggkey = $ressymb.'_readtoggle'; 143: my $readkey = $ressymb.'_read'; 144: $ressymb=$encsymb; 145: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 146: my %discinfo = (); 147: my $showonlyunread = 0; 148: my $showunmark = 0; 149: my $markondisp = 0; 150: my $prevread = 0; 151: my $previous = 0; 152: my $visit = 0; 153: my $newpostsflag = 0; 154: my @posters = split(/\&/,$dischash{$userpickkey}); 155: 156: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 157: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 158: my $sortposts = $env{'form.sortposts'}; 159: my $statusfilter = $env{'form.statusfilter'}; 160: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 161: my @grouppick = split(/,/,$env{'form.grouppick'}); 162: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 163: 164: my $totposters = $env{'form.totposters'}; 165: $previous = $env{'form.previous'}; 166: if ($previous > 0) { 167: $prevread = $previous; 168: } elsif (defined($dischash{$lastkey})) { 169: unless ($dischash{$lastkey} eq '') { 170: $prevread = $dischash{$lastkey}; 171: } 172: } 173: 174: my $cdom = $env{'course.'.$cid.'.domain'}; 175: my $cnum = $env{'course.'.$cid.'.num'}; 176: my $crstype = &Apache::loncommon::course_type(); 177: 178: # Get information about students and non-students in course for filtering display of posts 179: my %roleshash = (); 180: my %roleinfo = (); 181: my ($classgroups,$studentgroups); 182: if ($env{'form.rolefilter'}) { 183: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 184: foreach my $rolekey (keys(%roleshash)) { 185: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 186: if ($role =~ /^cr/) { 187: $role = 'cr'; 188: } 189: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 190: my $now = time; 191: my $status = 'Active'; 192: if (($now < $start) || ($end > 0 && $now > $end)) { 193: $status = 'Expired'; 194: } 195: if ($uname && $udom) { 196: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 197: } 198: } 199: my ($classlist,$keylist) = 200: &Apache::loncoursedata::get_classlist($cdom,$cnum); 201: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 202: my $status_index = &Apache::loncoursedata::CL_STATUS(); 203: while (my ($student,$data) = each %$classlist) { 204: my ($section,$status) = ($data->[$sec_index], 205: $data->[$status_index]); 206: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 207: } 208: ($classgroups,$studentgroups) = 209: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 210: $cdom,$cnum); 211: } 212: 213: # Get discussion display default settings for user 214: if ($env{'environment.discdisplay'} eq 'unread') { 215: $showonlyunread = 1; 216: } 217: if ($env{'environment.discmarkread'} eq 'ondisp') { 218: $markondisp = 1; 219: } 220: 221: # Override user's default if user specified display setting for this discussion 222: if (defined($dischash{$ondispkey})) { 223: unless ($dischash{$ondispkey} eq '') { 224: $markondisp = $dischash{$ondispkey}; 225: } 226: } 227: if ($markondisp) { 228: $discinfo{$lastkey} = time; 229: } 230: 231: if (defined($dischash{$showkey})) { 232: unless ($dischash{$showkey} eq '') { 233: $showonlyunread = $dischash{$showkey}; 234: } 235: } 236: 237: if (defined($dischash{$markkey})) { 238: unless ($dischash{$markkey} eq '') { 239: $showunmark = $dischash{$markkey}; 240: } 241: } 242: 243: if (defined($dischash{$visitkey})) { 244: unless ($dischash{$visitkey} eq '') { 245: $visit = $dischash{$visitkey}; 246: } 247: } 248: $visit ++; 249: 250: my $seeid; 251: if (($group ne '') && ($mode eq 'board') && 252: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 253: if (&check_group_priv($group,'dgp') eq 'ok') { 254: $seeid = 1; 255: } 256: } else { 257: $seeid=&Apache::lonnet::allowed('rin',$crs); 258: } 259: my @discussionitems=(); 260: my %shown = (); 261: my @posteridentity=(); 262: 263: my $current=0; 264: my $visible=0; 265: my @depth=(); 266: my @replies = (); 267: my %alldiscussion=(); 268: my %imsitems=(); 269: my %imsfiles=(); 270: my %notshown = (); 271: my %newitem = (); 272: my $maxdepth=0; 273: my %anonhash=(); 274: my $anoncnt=0; 275: my $target=''; 276: unless ($env{'browser.interface'} eq 'textual' || 277: $env{'environment.remote'} eq 'off' ) { 278: $target='target="LONcom"'; 279: } 280: 281: my $now = time; 282: $discinfo{$visitkey} = $visit; 283: 284: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 285: &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); 286: 287: my $discussion=''; 288: my $manifestfile; 289: my $manifestok=0; 290: my $tempexport; 291: my $imsresources; 292: my $copyresult; 293: 294: my $function = &Apache::loncommon::get_users_function(); 295: my $color = &Apache::loncommon::designparm($function.'.tabbg', 296: $env{'user.domain'}); 297: my %lt = &Apache::lonlocal::texthash( 298: 'cuse' => 'Current discussion settings', 299: 'allposts' => 'All posts', 300: 'unread' => 'New posts only', 301: 'unmark' => 'Unread only', 302: 'ondisp' => 'Once displayed', 303: 'onmark' => 'Once marked not NEW', 304: 'toggoff' => 'Off', 305: 'toggon' => 'On', 306: 'disa' => 'Posts to be displayed', 307: 'npce' => 'Posts cease to be marked "NEW"', 308: 'epcb' => 'Each post can be toggled read/unread', 309: 'chgt' => 'Change', 310: 'disp' => 'Display', 311: 'nolo' => 'Not new', 312: 'togg' => 'Toggle read/unread', 313: 'aner' => 'An error occurred opening the manifest file.', 314: 'difo' => 'Discussion for', 315: 'aerr' => 'An error occurred opening the export file for posting', 316: 'aysu' => 'Are you sure you want to delete this post?', 317: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 318: 'bwco' => 'but will continue to be visible to your instructor', 319: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 320: ); 321: 322: my $currdisp = $lt{'allposts'}; 323: my $currmark = $lt{'onmark'}; 324: my $currtogg = $lt{'toggoff'}; 325: my $dispchange = $lt{'unread'}; 326: my $markchange = $lt{'ondisp'}; 327: my $toggchange = $lt{'toggon'}; 328: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 329: my $displinkA = 'onlyunread'; 330: my $displinkB = 'onlyunmark'; 331: my $marklink = 'markondisp'; 332: my $togglink = 'toggon'; 333: 334: if ($markondisp) { 335: $currmark = $lt{'ondisp'}; 336: $markchange = $lt{'onmark'}; 337: $marklink = 'markonread'; 338: } 339: 340: if ($showonlyunread) { 341: $currdisp = $lt{'unread'}; 342: $dispchange = $lt{'allposts'}; 343: $displinkA = 'allposts'; 344: } 345: 346: if ($showunmark) { 347: $currdisp = $lt{'unmark'}; 348: $dispchange = $lt{'unmark'}; 349: $displinkA='allposts'; 350: $displinkB='onlyunread'; 351: $showonlyunread = 0; 352: } 353: 354: if ($dischash{$toggkey}) { 355: $currtogg = $lt{'toggon'}; 356: $toggchange = $lt{'toggoff'}; 357: $togglink = 'toggoff'; 358: } 359: 360: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 361: 362: if ($newpostsflag) { 363: $chglink .= '&previous='.$prevread; 364: } 365: $chglink.=&group_args($group); 366: 367: if ($visible) { 368: # Print the discusssion 369: if ($outputtarget eq 'tex') { 370: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 371: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 372: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 373: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 374: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 375: } elsif ($outputtarget eq 'export') { 376: # Create temporary directory if this is an export 377: my $now = time; 378: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 379: $tempexport = $$imsextras{'tempexport'}; 380: if (!-e $tempexport) { 381: mkdir($tempexport,0700); 382: } 383: $tempexport .= '/'.$$imsextras{'count'}; 384: if (!-e $tempexport) { 385: mkdir($tempexport,0700); 386: } 387: } else { 388: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 389: if (!-e $tempexport) { 390: mkdir($tempexport,0700); 391: } 392: $tempexport .= '/'.$now; 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 397: } 398: if (!-e $tempexport) { 399: mkdir($tempexport,0700); 400: } 401: # open manifest file 402: my $manifest = '/imsmanifest.xml'; 403: my $manifestfilename = $tempexport.$manifest; 404: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 405: $manifestok=1; 406: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 407: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 408: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 409: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 410: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 411: <organizations default="$ressymb"> 412: <organization identifier="$ressymb"> 413: <title>$lt{'difo'} $ressymb</title>\n|; 414: } else { 415: $discussion .= $lt{'aner'}.'<br />'; 416: } 417: } else { 418: my $colspan=$maxdepth+1; 419: #JW 420: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 421: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 422: var symbparm = symb+':::'+idx 423: var prevparm = "" 424: if (newflag == 1) { 425: prevparm = "&previous="+previous 426: } 427: if (caller == 'studentdelete') { 428: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 429: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 430: } 431: } else { 432: if (caller == 'seeiddelete') { 433: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 434: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 435: } 436: } 437: } 438: } 439: |); 440: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 441: "\n".'<table class="LC_discussion">'; 442: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 443: $newpostsflag,$group, 444: $prevread,$markondisp); 445: my $escsymb=&escape($ressymb); 446: my $numhidden = keys(%notshown); 447: if ($numhidden > 0) { 448: my $colspan = $maxdepth+1; 449: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 450: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 451: if ($newpostsflag) { 452: $discussion .= '&previous='.$prevread; 453: } 454: $discussion .= &group_args($group); 455: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 456: $numhidden.' '; 457: if ($showunmark) { 458: $discussion .= &mt('posts previously marked read'); 459: } else { 460: $discussion .= &mt('previously viewed posts'); 461: } 462: $discussion .= '<br/></td></tr>'; 463: } 464: } 465: 466: # Choose sort mechanism 467: my @showposts = (); 468: if ($sortposts eq 'descdate') { 469: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 470: } elsif ($sortposts eq 'thread') { 471: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 472: } elsif ($sortposts eq 'subject') { 473: foreach my $key (sort(keys(%subjectsort))) { 474: push(@showposts, @{$subjectsort{$key}}); 475: } 476: } elsif ($sortposts eq 'username') { 477: foreach my $domain (sort(keys(%usernamesort))) { 478: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 479: push(@showposts, @{$usernamesort{$domain}{$key}}); 480: } 481: } 482: } elsif ($sortposts eq 'lastfirst') { 483: foreach my $last (sort(keys(%namesort))) { 484: foreach my $key (sort(keys(%{$namesort{$last}}))) { 485: push(@showposts, @{$namesort{$last}{$key}}); 486: } 487: } 488: } else { 489: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 490: } 491: my $currdepth = 0; 492: my $firstidx = $alldiscussion{$showposts[0]}; 493: foreach my $post (@showposts) { 494: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 495: $alldiscussion{$post} = $post; 496: } 497: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 498: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 499: $discussion.="\n<tr>"; 500: } 501: my $thisdepth=$depth[$alldiscussion{$post}]; 502: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 503: for (1..$thisdepth) { 504: $discussion.='<td>   </td>'; 505: } 506: } 507: my $colspan=$maxdepth-$thisdepth+1; 508: if ($outputtarget eq 'tex') { 509: #cleanup block 510: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 511: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 512: my $threadinsert=''; 513: if ($thisdepth > 0) { 514: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 515: } 516: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 517: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 519: 520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 521: $discussion.=$discussionitems[$alldiscussion{$post}]; 522: } elsif ($outputtarget eq 'export') { 523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 524: if ($manifestok) { 525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 526: print $manifestfile ' </item>'."\n"; 527: } 528: $currdepth = $depth[$alldiscussion{$post}]; 529: print $manifestfile "\n". 530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 533: $imsresources .= "\n". 534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 535: '<file href="'.$postfilename.'">'."\n". 536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 537: '</resource>'; 538: } 539: my $postingfile; 540: my $postingfilename = $tempexport.'/'.$postfilename; 541: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 543: $imsitems{$alldiscussion{$post}}{'title'}.' '. 544: $imsitems{$alldiscussion{$post}}{'sender'}. 545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 548: close($postingfile); 549: } else { 550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 551: } 552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 553: } else { 554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 556: '</td></tr>'; 557: } 558: } 559: } 560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 561: my $colspan=$maxdepth+1; 562: $discussion .= <<END; 563: <tr bgcolor="#FFFFFF"> 564: <td colspan="$colspan" class="LC_disc_action_links_bar"> 565: <table class="LC_disc_action_table"> 566: <tr> 567: <td align="left"> 568: <table border="0" cellpadding="0" cellspacing="4"> 569: <tr> 570: <td> 571: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 572: <td> </td> 573: <td><font size="-1"> 574: END 575: if ($newpostsflag) { 576: $discussion .= 577: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 578: if ($dischash{$toggkey}) { 579: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 580: } 581: } else { 582: if ($dischash{$toggkey}) { 583: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 584: } else { 585: $discussion .= 586: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 587: } 588: } 589: $discussion .= <<END; 590: </font></td> 591: <td> </td> 592: <td align="left"> 593: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 594: </td> 595: </tr> 596: </table> 597: </td> 598: END 599: if ($sortposts) { 600: my %sort_types = (); 601: my %role_types = (); 602: my %status_types = (); 603: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 604: 605: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 606: if (defined($env{'form.totposters'})) { 607: $discussion .= &mt('Posts by').':'; 608: if ($totposters > 0) { 609: foreach my $poster (@posters) { 610: $discussion .= ' '.$poster.','; 611: } 612: $discussion =~ s/,$//; 613: } else { 614: $discussion .= &mt('None selected'); 615: } 616: } else { 617: my $filterchoice =''; 618: if (@sectionpick > 0) { 619: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 620: $filterchoice .= '    '; 621: } 622: if (@grouppick > 0) { 623: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 624: $filterchoice .= '    '; 625: } 626: if (@rolefilter > 0) { 627: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 628: foreach my $role (@rolefilter) { 629: $filterchoice .= ' '.$role_types{$role}.','; 630: } 631: $filterchoice =~ s/,$//; 632: $filterchoice .= '<br />'.(' ' x8); 633: } 634: if ($statusfilter) { 635: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 636: } 637: if ($filterchoice) { 638: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 639: } 640: $discussion .= '</font></td>'; 641: } 642: } 643: if ($dischash{$toggkey}) { 644: my $storebutton = &mt('Save read/unread changes'); 645: $discussion.='<td align="right">'. 646: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 647: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 648: ' onclick="this.form.submit();" />'."\n". 649: '</td>'; 650: } 651: $discussion .= (<<END); 652: </tr> 653: </table> 654: </td> 655: </tr> 656: END 657: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 658: $newpostsflag,$group, 659: $prevread,$markondisp); 660: $discussion .= " 661: </table> 662: <br /><br /></form>\n"; 663: } 664: if ($outputtarget eq 'export') { 665: if ($manifestok) { 666: while ($currdepth > 0) { 667: print $manifestfile " </item>\n"; 668: $currdepth --; 669: } 670: print $manifestfile qq| 671: </organization> 672: </organizations> 673: <resources> 674: $imsresources 675: </resources> 676: </manifest> 677: |; 678: close($manifestfile); 679: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 680: $discussion = $copyresult; 681: } else { 682: 683: #Create zip file in prtspool 684: 685: my $imszipfile = '/prtspool/'. 686: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 687: time.'_'.rand(1000000000).'.zip'; 688: my $cwd = &getcwd(); 689: my $imszip = '/home/httpd/'.$imszipfile; 690: chdir $tempexport; 691: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 692: close(OUTPUT); 693: chdir $cwd; 694: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 695: if ($copyresult) { 696: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 697: } 698: } 699: } else { 700: $discussion .= '<br />'.&mt('Unfortunately you will not be able to retrieve an archive of the discussion posts at this time, because there was a problem creating a manifest file.').'<br />'; 701: } 702: return $discussion; 703: } 704: } 705: if ($discussiononly) { 706: my $now = time; 707: my $attachnum = 0; 708: my $currnewattach = []; 709: my $currdelold = []; 710: my $comment = ''; 711: my $subject = ''; 712: if ($env{'form.origpage'}) { 713: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 714: $subject = &unescape($env{'form.subject'}); 715: $comment = &unescape($env{'form.comment'}); 716: my @keepold = (); 717: &process_attachments($currnewattach,$currdelold,\@keepold); 718: if (@{$currnewattach} > 0) { 719: $attachnum += @{$currnewattach}; 720: } 721: } 722: if (&discussion_open($status)) { 723: if (($group ne '') && ($mode eq 'board')) { 724: if (&check_group_priv($group,'pgd') eq 'ok') { 725: $discussion .= 726: &postingform_display($mode,$ressymb,$now,$subject, 727: $comment,$outputtarget,$attachnum, 728: $currnewattach,$currdelold, 729: $group,$crstype); 730: } 731: } else { 732: $discussion.= 733: &postingform_display($mode,$ressymb,$now,$subject, 734: $comment,$outputtarget,$attachnum, 735: $currnewattach,$currdelold,'',$crstype); 736: } 737: } 738: } else { 739: $discussion.='<div class="LC_feedback_link">'; 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: if ($outputtarget ne 'tex') { 745: $discussion.= &send_feedback_link($ressymb,$target); 746: } 747: } 748: if ($outputtarget ne 'tex') { 749: $discussion.= &send_message_link($ressymb); 750: } 751: $discussion.='</div>'; 752: } 753: return $discussion; 754: } 755: 756: sub send_feedback_link { 757: my ($ressymb,$target) = @_; 758: my $output = '<span class="LC_feedback_link">'. 759: ' <a href="/adm/feedback?replydisc='. 760: &escape($ressymb).':::" '.$target.'>'. 761: '<img alt="" class="LC_noBorder" src="'. 762: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 763: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span></a></span>'; 764: return $output; 765: } 766: 767: sub send_message_link { 768: my ($ressymb) = @_; 769: my $output = '<span class="LC_message_link">'. 770: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 771: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 772: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 773: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 774: return $output; 775: } 776: 777: sub action_links_bar { 778: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 779: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 780: '<table width="100%" class="LC_disc_action_table"><tr>'. 781: '<td class="LC_disc_action_left">'; 782: my $escsymb=&escape($ressymb); 783: if ($visible>2) { 784: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 785: if ($newpostsflag) { 786: $discussion .= '&previous='.$prevread; 787: } 788: $discussion .= &group_args($group); 789: $discussion .='">'.&mt('Threaded View').'</a>  '. 790: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 791: if ($newpostsflag) { 792: $discussion .= '&previous='.$prevread; 793: } 794: $discussion .= &group_args($group); 795: $discussion .='">'.&mt('Chronological View').'</a>   796: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 797: if ($newpostsflag) { 798: $discussion .= '&previous='.$prevread; 799: } 800: $discussion .= &group_args($group); 801: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 802: } 803: $discussion .='<a href="/adm/feedback?export='.$escsymb; 804: if ($newpostsflag) { 805: $discussion .= '&previous='.$prevread; 806: } 807: $discussion .= &group_args($group); 808: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 809: if ($newpostsflag) { 810: if (!$markondisp) { 811: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 812: $discussion .= &group_args($group); 813: $discussion .= '">'. 814: &mt('Preferences on what is marked as NEW'). 815: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 816: $discussion .= &group_args($group); 817: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 818: } else { 819: $discussion .= '<td> </td>'; 820: } 821: } else { 822: $discussion .= '<td> </td>'; 823: } 824: $discussion .= '</tr></table></td></tr>'; 825: return $discussion; 826: } 827: 828: sub postingform_display { 829: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 830: $currnewattach,$currdelold,$group,$crstype) = @_; 831: my $newattachmsg; 832: my %lt = &Apache::lonlocal::texthash( 833: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 834: 'title' => 'Title', 835: 'podi' => 'Post Discussion', 836: 'poan' => 'Post Anonymous Discussion', 837: 'newa' => 'New attachments', 838: ); 839: if ($crstype eq 'Community') { 840: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 841: } 842: my $postingform = (<<ENDDISCUSS); 843: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 844: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 845: <input type="hidden" name="sendit" value="true" /> 846: <input type="hidden" name="timestamp" value="$now" /> 847: <br /><a name="newpost"></a> 848: <font size="1">$lt{'note'}</font><br /> 849: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 850: <textarea name="comment" cols="80" rows="14" >$comment</textarea> 851: ENDDISCUSS 852: if ($env{'form.origpage'}) { 853: $postingform .= '<input type="hidden" name="origpage" value="'. 854: $env{'form.origpage'}.'" />'."\n"; 855: foreach my $att (@{$currnewattach}) { 856: $postingform .= '<input type="hidden" name="currnewattach" '. 857: 'value="'.$att.'" />'."\n"; 858: } 859: } 860: if (exists($env{'form.ref'})) { 861: $postingform .= '<input type="hidden" name="ref" value="'. 862: $env{'form.ref'}.'" />'; 863: } 864: if ($group ne '') { 865: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 866: } 867: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 868: if (!$blockblog) { 869: $postingform .= &add_blog_checkbox($crstype); 870: } 871: $postingform .= "</form>\n"; 872: if ($outputtarget ne 'tex') { 873: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 874: $now,$currnewattach, 875: $currdelold,'',$mode, 876: $blockblog); 877: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 878: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 879: if (@{$currnewattach} > 1) { 880: $newattachmsg .= '<ol>'; 881: foreach my $item (@{$currnewattach}) { 882: $item =~ m#.*/([^/]+)$#; 883: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 884: } 885: $newattachmsg .= '</ol>'."\n"; 886: } else { 887: $$currnewattach[0] =~ m#.*/([^/]+)$#; 888: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 889: } 890: } 891: $postingform .= $newattachmsg; 892: $postingform .= &generate_preview_button(); 893: } 894: return $postingform; 895: } 896: 897: sub build_posting_display { 898: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 899: my @original=(); 900: my @index=(); 901: my $skip_group_check = 0; 902: my $symb=&Apache::lonenc::check_decrypt($ressymb); 903: my $escsymb=&escape($ressymb); 904: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 905: $env{'course.'.$env{'request.course.id'}.'.domain'}, 906: $env{'course.'.$env{'request.course.id'}.'.num'}); 907: 908: my $see_anonymous = 909: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 910: 911: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 912: $skip_group_check = 1; 913: } 914: if ($contrib{'version'}) { 915: my $oldest = $contrib{'1:timestamp'}; 916: if ($prevread eq '0') { 917: $prevread = $oldest-1; 918: } 919: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 920: if ($sortposts) { 921: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 922: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 923: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 924: } 925: for (my $id=1;$id<=$contrib{'version'};$id++) { 926: my $idx=$id; 927: my $posttime = $contrib{$idx.':timestamp'}; 928: if ($prevread <= $posttime) { 929: $$newpostsflag = 1; 930: } 931: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 932: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 933: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 934: my $origindex='0.'; 935: my $numoldver=0; 936: if ($contrib{$idx.':replyto'}) { 937: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 938: # this is a follow-up message 939: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 940: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 941: $origindex=$index[$contrib{$idx.':replyto'}]; 942: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 943: } else { 944: $original[$idx]=0; 945: $$depth[$idx]=0; 946: } 947: } else { 948: # this is an original message 949: $original[$idx]=0; 950: $$depth[$idx]=0; 951: } 952: if ($$replies[$$depth[$idx]]) { 953: $$replies[$$depth[$idx]]++; 954: } else { 955: $$replies[$$depth[$idx]]=1; 956: } 957: unless ((($hidden) && (!$seeid)) || ($deleted)) { 958: $$visible++; 959: if ($contrib{$idx.':history'}) { 960: if ($contrib{$idx.':history'} =~ /:/) { 961: my @oldversions = split(/:/,$contrib{$idx.':history'}); 962: $numoldver = @oldversions; 963: } else { 964: $numoldver = 1; 965: } 966: } 967: $$current = $numoldver; 968: my %messages = (); 969: my %subjects = (); 970: my %attachtxt = (); 971: my %allattachments = (); 972: my ($screenname,$plainname); 973: my $sender = &mt('Anonymous'); 974: # Anonymous users getting number within a discussion 975: # Since idx is in static order, this should give the same sequence every time. 976: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 977: unless ($$anonhash{$key}) { 978: $anoncnt++; 979: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 980: } 981: my ($message,$subject,$vgrlink,$ctlink); 982: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 983: 984: 985: # Set up for sorting by subject 986: unless ($outputtarget eq 'export') { 987: $message=$messages{$numoldver}; 988: $message.=$attachtxt{$numoldver}; 989: $subject=$subjects{$numoldver}; 990: if ($message) { 991: if ($hidden) { 992: $message='<font color="#888888">'.$message.'</font>'; 993: if ($studenthidden) { 994: $message .='<br /><br />Deleted by poster (student).'; 995: } 996: } 997: 998: if ($subject eq '') { 999: if (defined($$subjectsort{'__No subject'})) { 1000: push(@{$$subjectsort{'__No subject'}}, $idx); 1001: } else { 1002: @{$$subjectsort{'__No subject'}} = ("$idx"); 1003: } 1004: } else { 1005: if (defined($$subjectsort{$subject})) { 1006: push(@{$$subjectsort{$subject}}, $idx); 1007: } else { 1008: @{$$subjectsort{$subject}} = ("$idx"); 1009: } 1010: } 1011: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1012: $sender=&Apache::loncommon::aboutmewrapper( 1013: $plainname, 1014: $contrib{$idx.':sendername'}, 1015: $contrib{$idx.':senderdomain'}).' ('. 1016: $contrib{$idx.':sendername'}.':'. 1017: $contrib{$idx.':senderdomain'}.')'; 1018: $sender = '<b>'.$sender.'</b>'; 1019: if ($contrib{$idx.':anonymous'}) { 1020: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1021: $screenname; 1022: } 1023: if ($see_anonymous) { 1024: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1025: } 1026: # Set up for sorting by domain, then username 1027: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1028: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1029: } 1030: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1031: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1032: } else { 1033: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1034: } 1035: # Set up for sorting by last name, then first name 1036: my %names = &Apache::lonnet::get('environment', 1037: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1038: ,$contrib{$idx.':sendername'}); 1039: my $lastname = $names{'lastname'}; 1040: my $firstname = $names{'firstname'}; 1041: if ($lastname eq '') { 1042: $lastname = '_'; 1043: } 1044: if ($firstname eq '') { 1045: $firstname = '_'; 1046: } 1047: unless (defined($$namesort{$lastname})) { 1048: %{$$namesort{$lastname}} = (); 1049: } 1050: if (defined($$namesort{$lastname}{$firstname})) { 1051: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1052: } else { 1053: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1054: } 1055: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1056: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1057: $sender.=' <a href="/adm/feedback?editdisc='. 1058: $escsymb.':::'.$idx; 1059: if ($$newpostsflag) { 1060: $sender .= '&previous='.$prevread; 1061: } 1062: $sender .= &group_args($group); 1063: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1064: 1065: unless ($seeid) { 1066: my $grpargs = &group_args($group); 1067: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1068: $sender .= '">'.&mt('Delete').'</a>'; 1069: } 1070: } 1071: } 1072: if ($seeid) { 1073: if ($hidden) { 1074: unless ($studenthidden) { 1075: $sender.=' <a href="/adm/feedback?unhide='. 1076: $escsymb.':::'.$idx; 1077: if ($$newpostsflag) { 1078: $sender .= '&previous='.$prevread; 1079: } 1080: $sender .= '">'.&mt('Make Visible').'</a>'; 1081: } 1082: } else { 1083: $sender.=' <a href="/adm/feedback?hide='. 1084: $escsymb.':::'.$idx; 1085: if ($$newpostsflag) { 1086: $sender .= '&previous='.$prevread; 1087: } 1088: $sender .= &group_args($group); 1089: $sender .= '">'.&mt('Hide').'</a>'; 1090: } 1091: my $grpargs = &group_args($group); 1092: $sender.= 1093: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1094: $sender .= &mt('Delete').'</a>'; 1095: } 1096: } else { 1097: if ($screenname) { 1098: $sender='<i>'.$screenname.'</i>'; 1099: } else { 1100: $sender='<i>'.$$anonhash{$key}.'</i>'; 1101: } 1102: $sender = '<b>'.$sender.'</b>'; 1103: # Set up for sorting by domain, then username for anonymous 1104: unless (defined($$usernamesort{'__anon'})) { 1105: %{$$usernamesort{'__anon'}} = (); 1106: } 1107: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1108: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1109: } else { 1110: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1111: } 1112: # Set up for sorting by last name, then first name for anonymous 1113: unless (defined($$namesort{'__anon'})) { 1114: %{$$namesort{'__anon'}} = (); 1115: } 1116: if (defined($$namesort{'__anon'}{'__anon'})) { 1117: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1118: } else { 1119: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1120: } 1121: } 1122: if (&discussion_open($status)) { 1123: if (($group ne '') && 1124: (&check_group_priv($group,'pgd') eq 'ok')) { 1125: $sender.=' <a href="/adm/feedback?replydisc='. 1126: $escsymb.':::'.$idx; 1127: if ($$newpostsflag) { 1128: $sender .= '&previous='.$prevread; 1129: } 1130: $sender .= &group_args($group); 1131: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1132: } elsif (&Apache::lonnet::allowed('pch', 1133: $env{'request.course.id'}. 1134: ($env{'request.course.sec'}?'/'. 1135: $env{'request.course.sec'}:''))) { 1136: $sender.=' <a href="/adm/feedback?replydisc='. 1137: $escsymb.':::'.$idx; 1138: if ($$newpostsflag) { 1139: $sender .= '&previous='.$prevread; 1140: } 1141: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1142: } 1143: } 1144: if ($viewgrades) { 1145: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1146: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1147: } 1148: if ($$dischash{$readkey}=~/\.$idx\./) { 1149: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1150: } else { 1151: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1152: } 1153: } 1154: #figure out at what position this needs to print 1155: } 1156: if ($outputtarget eq 'export' || $message) { 1157: my $thisindex=$idx; 1158: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1159: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1160: } 1161: $$alldiscussion{$thisindex}=$idx; 1162: $$shown{$idx} = 0; 1163: $index[$idx]=$thisindex; 1164: } 1165: if ($outputtarget eq 'export') { 1166: %{$$imsitems{$idx}} = (); 1167: $$imsitems{$idx}{'isvisible'}='true'; 1168: if ($hidden) { 1169: $$imsitems{$idx}{'isvisible'}='false'; 1170: } 1171: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1172: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1173: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1174: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1175: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1176: $contrib{$idx.':sendername'}.':'. 1177: $contrib{$idx.':senderdomain'}.')'; 1178: $$imsitems{$idx}{'isanonymous'}='false'; 1179: if ($contrib{$idx.':anonymous'}) { 1180: $$imsitems{$idx}{'isanonymous'}='true'; 1181: } 1182: $$imsitems{$idx}{'currversion'}=$numoldver; 1183: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1184: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1185: $$shown{$idx} = 1; 1186: } 1187: } else { 1188: if ($message) { 1189: my $spansize = 2; 1190: if ($showonlyunread && $prevread > $posttime) { 1191: $$notshown{$idx} = 1; 1192: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1193: $$notshown{$idx} = 1; 1194: } else { 1195: # apply filters 1196: my $uname = $contrib{$idx.':sendername'}; 1197: my $udom = $contrib{$idx.':senderdomain'}; 1198: my $poster = $uname.':'.$udom; 1199: if ($env{'form.totposters'} ne '') { 1200: if ($totposters == 0) { 1201: $$shown{$idx} = 0; 1202: } elsif ($totposters > 0) { 1203: if (grep/^$poster$/,@{$posters}) { 1204: $$shown{$idx} = 1; 1205: } 1206: } 1207: } elsif ($sortposts) { 1208: if ($skiptest) { 1209: $$shown{$idx} = 1; 1210: } else { 1211: foreach my $role (@{$$roleinfo{$poster}}) { 1212: if ($role =~ /^cc:/) { 1213: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1214: if ($role =~ /$cc_regexp/) { 1215: $$shown{$idx} = 1; 1216: last; 1217: } 1218: } elsif ($role =~ /^$rolematch$/) { 1219: $$shown{$idx} = 1; 1220: last; 1221: } 1222: } 1223: } 1224: if ($$shown{$idx} && !$skip_group_check) { 1225: my $showflag = 0; 1226: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1227: foreach my $grp (@{$grouppick}) { 1228: if (grep/^\Q$grp\E$/, 1229: keys(%{$$classgroups{$poster}{active}})) { 1230: $showflag = 1; 1231: last; 1232: } 1233: } 1234: } 1235: if ($showflag) { 1236: $$shown{$idx} = 1; 1237: } else { 1238: $$shown{$idx} = 0; 1239: } 1240: } 1241: } else { 1242: $$shown{$idx} = 1; 1243: } 1244: } 1245: unless ($$notshown{$idx} == 1) { 1246: if ($prevread > 0 && $prevread <= $posttime) { 1247: $$newitem{$idx} = 1; 1248: $$discussionitems[$idx] .= ' 1249: <table border="0" width="100%"> 1250: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>'; 1251: } else { 1252: $$newitem{$idx} = 0; 1253: $$discussionitems[$idx] .= ' 1254: <table border="0" width="100%"> 1255: <tr><td align="left"> </td>'; 1256: } 1257: $$discussionitems[$idx] .= '<td align="left">  '. 1258: '<b>'.$subject.'</b>  '. 1259: $sender.' '.$vgrlink.' ('. 1260: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1261: if ($$dischash{$toggkey}) { 1262: $$discussionitems[$idx].='<td align="right">  '. 1263: $ctlink.'</td>'; 1264: } 1265: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1266: $message.'</blockquote>'; 1267: if ($contrib{$idx.':history'}) { 1268: my @postversions = (); 1269: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1270: if ($seeid) { 1271: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1272: $$discussionitems[$idx] .= &group_args($group); 1273: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1274: } 1275: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1276: if ($contrib{$idx.':history'} =~ m/:/) { 1277: @postversions = split(/:/,$contrib{$idx.':history'}); 1278: } else { 1279: @postversions = ("$contrib{$idx.':history'}"); 1280: } 1281: for (my $i=0; $i<@postversions; $i++) { 1282: my $version = $i+1; 1283: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1284: } 1285: } 1286: } 1287: } 1288: } 1289: } 1290: } 1291: } 1292: } 1293: 1294: sub filter_regexp { 1295: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1296: my ($roleregexp,$secregexp,$statusregexp); 1297: my $skiptest = 1; 1298: if (@{$rolefilter} > 0) { 1299: my @okrolefilter = (); 1300: foreach my $role (@{$rolefilter}) { 1301: unless ($role eq '') { 1302: push(@okrolefilter, $role); 1303: } 1304: } 1305: if (@okrolefilter > 0) { 1306: if (grep/^all$/,@okrolefilter) { 1307: $roleregexp='[^:]+'; 1308: } else { 1309: if (@okrolefilter == 1) { 1310: $roleregexp=$okrolefilter[0]; 1311: } else { 1312: $roleregexp='('.join('|',@okrolefilter).')'; 1313: } 1314: $skiptest = 0; 1315: } 1316: } 1317: } 1318: if (@{$sectionpick} > 0) { 1319: my @oksectionpick = (); 1320: foreach my $sec (@{$sectionpick}) { 1321: unless ($sec eq '') { 1322: push(@oksectionpick, $sec); 1323: } 1324: } 1325: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1326: if (@oksectionpick == 1) { 1327: $secregexp = $oksectionpick[0]; 1328: } else { 1329: $secregexp .= '('.join('|',@oksectionpick).')'; 1330: } 1331: $skiptest = 0; 1332: } else { 1333: $secregexp .= '[^:]*'; 1334: } 1335: } 1336: 1337: if (defined($statusfilter) && $statusfilter ne '') { 1338: if ($statusfilter eq 'all') { 1339: $statusregexp = '[^:]+'; 1340: } else { 1341: $statusregexp = $statusfilter; 1342: $skiptest = 0; 1343: } 1344: } 1345: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1346: } 1347: 1348: 1349: sub get_post_contents { 1350: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1351: my $discussion = ''; 1352: my $start=$numver; 1353: my $end=$numver + 1; 1354: %{$$imsfiles{$idx}}=(); 1355: if ($type eq 'allversions') { 1356: unless($seeid) { 1357: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1358: return $discussion; 1359: } 1360: } 1361: # $$screenname=&Apache::loncommon::screenname( 1362: # $$contrib{$idx.':sendername'}, 1363: # $$contrib{$idx.':senderdomain'}); 1364: $$plainname=&Apache::loncommon::nickname( 1365: $$contrib{$idx.':sendername'}, 1366: $$contrib{$idx.':senderdomain'}); 1367: $$screenname=$$contrib{$idx.':screenname'}; 1368: 1369: my $sender=&Apache::loncommon::aboutmewrapper( 1370: $$plainname, 1371: $$contrib{$idx.':sendername'}, 1372: $$contrib{$idx.':senderdomain'}).' ('. 1373: $$contrib{$idx.':sendername'}.':'. 1374: $$contrib{$idx.':senderdomain'}.')'; 1375: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1376: my @postversions = (); 1377: if ($type eq 'allversions' || $type eq 'export') { 1378: $start = 0; 1379: if ($$contrib{$idx.':history'}) { 1380: @postversions = split(/:/,$$contrib{$idx.':history'}); 1381: } 1382: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1383: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1384: push(@postversions,$$contrib{$idx.':timestamp'}); 1385: $end = @postversions; 1386: } else { 1387: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1388: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1389: } 1390: 1391: if ($$contrib{$idx.':anonymous'}) { 1392: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1393: } 1394: if ($type eq 'allversions') { 1395: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1396: } 1397: for (my $i=$start; $i<$end; $i++) { 1398: my ($timesent,$attachmsg); 1399: my %currattach = (); 1400: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1401: unless (&contains_block_html($messages->{$i})) { 1402: &newline_to_br(\$messages->{$i}); 1403: } 1404: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1405: $$subjects{$i}=~s/\n/\<br \/\>/g; 1406: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1407: if ($attachmenturls) { 1408: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1409: } 1410: if ($type eq 'export') { 1411: $$imsfiles{$idx}{$i} = ''; 1412: if ($attachmsg) { 1413: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1414: foreach my $key (sort(keys(%currattach))) { 1415: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1416: my $fname = $1.$3.'/'.$4; 1417: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1418: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1419: } 1420: } 1421: } 1422: } else { 1423: if ($attachmsg) { 1424: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1425: } else { 1426: $$attachtxt{$i} = ''; 1427: } 1428: } 1429: if ($type eq 'allversions') { 1430: $discussion.= <<"END"; 1431: <li><b>$$subjects{$i}</b>, $timesent<br /> 1432: $$messages{$i}<br /> 1433: $$attachtxt{$i}</li> 1434: END 1435: } 1436: } 1437: if ($type eq 'allversions') { 1438: $discussion.='</ul>'; 1439: return $discussion; 1440: } else { 1441: return; 1442: } 1443: } 1444: 1445: sub replicate_attachments { 1446: my ($attachrefs,$tempexport) = @_; 1447: my $response; 1448: foreach my $id (keys(%{$attachrefs})) { 1449: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1450: my $path = $tempexport; 1451: my $tail = $1.'/'.$2.$4; 1452: my @extras = split(/\//,$tail); 1453: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1454: if (!-e $destination) { 1455: my $i= 0; 1456: while ($i<@extras) { 1457: $path .= '/'.$extras[$i]; 1458: if (!-e $path) { 1459: mkdir($path,0700); 1460: } 1461: $i ++; 1462: } 1463: my ($content,$rtncode); 1464: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1465: if ($uploadreply eq 'ok') { 1466: my $attachcopy; 1467: if ($attachcopy = Apache::File->new('>'.$destination)) { 1468: print $attachcopy $content; 1469: close($attachcopy); 1470: } else { 1471: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1472: } 1473: } else { 1474: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1475: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1476: } 1477: } 1478: } 1479: } 1480: return $response; 1481: } 1482: 1483: sub mail_screen { 1484: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1485: if (exists($env{'form.origpage'})) { 1486: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1487: } 1488: 1489: my %lt = &Apache::lonlocal::texthash( 1490: 'myqu' => 'My question/comment/feedback:', 1491: 'title' => 'Title', 1492: 'reta' => 'Retained attachments', 1493: 'atta' => 'Attachment', 1494: ); 1495: my $restitle = &get_resource_title($caller_symb,$feedurl); 1496: my $quote=''; 1497: my $subject = ''; 1498: my $comment = ''; 1499: my $prevtag = ''; 1500: my $parentmsg = ''; 1501: my ($symb,$idx,$attachmenturls); 1502: my $numoldver = 0; 1503: my $attachmsg = ''; 1504: my $newattachmsg = ''; 1505: my @currnewattach = (); 1506: my @currdelold = (); 1507: my @keepold = (); 1508: my %attachments = (); 1509: my %currattach = (); 1510: my $attachnum = 0; 1511: my $anonchk = (<<END); 1512: function anonchk() { 1513: for (var i=0; i < document.mailform.discuss.length; i++) { 1514: if (document.mailform.discuss[i].checked) { 1515: document.attachment.discuss.value = 1516: document.mailform.discuss[i].value; 1517: } 1518: } 1519: if (document.mailform.blog.checked) { 1520: document.attachment.blog.value = 1; 1521: } 1522: return 1523: } 1524: END 1525: my $anonscript; 1526: if (exists($env{'form.origpage'})) { 1527: $anonscript = (<<END); 1528: function setposttype() { 1529: var disc = "$env{'form.discuss'}"; 1530: for (var i=0; i < document.mailform.discuss.length; i++) { 1531: if (disc == document.mailform.discuss[i].value) { 1532: document.mailform.discuss[i].checked = 1; 1533: } 1534: } 1535: var blog = "$env{'form.blog'}"; 1536: if (blog == 1) { 1537: document.mailform.blog.checked=1; 1538: } 1539: return 1540: } 1541: END 1542: } else { 1543: $anonscript = (<<END); 1544: function setposttype() { 1545: return 1546: } 1547: END 1548: } 1549: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1550: if ($env{'form.replydisc'}) { 1551: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1552: } else { 1553: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1554: } 1555: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1556: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1557: $env{'course.'.$env{'request.course.id'}.'.num'}); 1558: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1559: if ($contrib{$idx.':history'}) { 1560: if ($contrib{$idx.':history'} =~ /:/) { 1561: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1562: $numoldver = @oldversions; 1563: } else { 1564: $numoldver = 1; 1565: } 1566: } 1567: if ($env{'form.replydisc'}) { 1568: if ($contrib{$idx.':history'}) { 1569: if ($contrib{$idx.':history'} =~ /:/) { 1570: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1571: $numoldver = @oldversions; 1572: } else { 1573: $numoldver = 1; 1574: } 1575: } 1576: if ($idx > 0) { 1577: my %msgversions = (); 1578: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1579: $quote = $msgversions{$numoldver}; 1580: } 1581: if ($idx > 0) { 1582: my %subversions = (); 1583: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1584: $subject = &mt('Re: ').$subversions{$numoldver}; 1585: } 1586: $subject = &HTML::Entities::encode($subject,'<>&"'); 1587: } else { 1588: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1589: if ($idx > 0) { 1590: my %msgversions = (); 1591: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1592: $comment = $msgversions{$numoldver}; 1593: my %subversions = (); 1594: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1595: $subject = $subversions{$numoldver}; 1596: } 1597: if (defined($contrib{$idx.':replyto'})) { 1598: $parentmsg = $contrib{$idx.':replyto'}; 1599: } 1600: unless (exists($env{'form.origpage'})) { 1601: my $anonflag = 'nonanon'; 1602: if ($contrib{$idx.':anonymous'}) { 1603: $anonflag = 'anon'; 1604: } 1605: $anonscript = (<<END); 1606: function setposttype () { 1607: var currtype = "$anonflag"; 1608: for (var i=0; i<document.mailform.discuss.length; i++) { 1609: if (document.mailform.elements.discuss[i].value == currtype ) { 1610: document.mailform.elements.discuss[i].checked=1; 1611: } 1612: } 1613: return 1614: } 1615: END 1616: } 1617: } 1618: } 1619: if ($env{'form.previous'}) { 1620: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1621: } 1622: } 1623: 1624: if ($env{'form.origpage'}) { 1625: $subject = &unescape($env{'form.subject'}); 1626: $comment = &unescape($env{'form.comment'}); 1627: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1628: } 1629: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1630: my $send=&mt('Send'); 1631: my $alert = &mt('Please select a feedback type.'); 1632: my $js= <<END; 1633: <script type="text/javascript"> 1634: // 1668: </script> 1669: END 1670: 1671: # Breadcrumbs 1672: my $brcrum = [{'href' => '', 1673: 'text' => 'Resource Feedback and Discussion'}]; 1674: 1675: my %onload = ('onload' => 'window.focus();setposttype();'); 1676: my $start_page= 1677: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1678: {'add_entries' => \%onload, 1679: 'bread_crumbs' => $brcrum,}); 1680: 1681: if ($quote ne '') { 1682: $quote = &HTML::Entities::decode($quote); 1683: unless (&contains_block_html($quote)) { 1684: &newline_to_br(\$quote); 1685: } 1686: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1687: } 1688: 1689: $r->print(<<END); 1690: $start_page 1691: <h2><tt>$restitle</tt></h2> 1692: <form action="/adm/feedback" method="post" name="mailform" 1693: enctype="multipart/form-data"> 1694: $prevtag 1695: <input type="hidden" name="postdata" value="$feedurl" /> 1696: END 1697: if ($env{'form.replydisc'}) { 1698: $r->print(<<END); 1699: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1700: END 1701: } elsif ($env{'form.editdisc'}) { 1702: $r->print(<<END); 1703: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1704: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1705: END 1706: } 1707: $r->print(<<END); 1708: $options<hr /> 1709: $quote 1710: <p>$lt{'myqu'}</p> 1711: <p> 1712: $latexHelp 1713: </p> 1714: <p> 1715: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1716: <p> 1717: <textarea name="comment" id="comment" cols="60" rows="10">$comment 1718: </textarea></p> 1719: END 1720: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1721: if ($env{'form.origpage'}) { 1722: foreach my $attach (@currnewattach) { 1723: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1724: } 1725: foreach my $oldatt (@currdelold) { 1726: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1727: } 1728: } 1729: if ($env{'form.editdisc'}) { 1730: if ($attachmenturls) { 1731: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1732: $attachnum = scalar(keys(%currattach)); 1733: foreach my $key (keys(%currattach)) { 1734: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1735: } 1736: } 1737: } 1738: } else { 1739: $r->print(<<END); 1740: <p> 1741: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1742: </p> 1743: END 1744: } 1745: if (exists($env{'form.group'})) { 1746: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1747: } 1748: if (exists($env{'form.ref'})) { 1749: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1750: } 1751: $r->print(<<END); 1752: <p> 1753: <input type="hidden" name="sendit" value="1" /> 1754: <input type="button" value="$send" onclick='gosubmit();' /> 1755: </p> 1756: </form> 1757: END 1758: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1759: my $now = time; 1760: my $ressymb = $symb; 1761: &Apache::lonenc::check_encrypt(\$ressymb); 1762: my $postidx = ''; 1763: if ($env{'form.editdisc'}) { 1764: $postidx = $idx; 1765: } 1766: if (@currnewattach > 0) { 1767: $attachnum += @currnewattach; 1768: } 1769: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1770: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1771: if ($attachnum > 0) { 1772: if (@currnewattach > 0) { 1773: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1774: if (@currnewattach > 1) { 1775: $newattachmsg .= '<ol>'; 1776: foreach my $item (@currnewattach) { 1777: $item =~ m#.*/([^/]+)$#; 1778: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1779: } 1780: $newattachmsg .= '</ol>'."\n"; 1781: } else { 1782: $currnewattach[0] =~ m#.*/([^/]+)$#; 1783: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1784: } 1785: } 1786: if ($attachmsg) { 1787: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1788: } 1789: if ($newattachmsg) { 1790: $r->print("$newattachmsg<br />"); 1791: } 1792: } 1793: } 1794: $r->print(&generate_preview_button(). 1795: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1796: &Apache::loncommon::end_page()); 1797: 1798: } 1799: 1800: sub print_display_options { 1801: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1802: &Apache::loncommon::content_type($r,'text/html'); 1803: $r->send_http_header; 1804: 1805: my $function = &Apache::loncommon::get_users_function(); 1806: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1807: $env{'user.domain'}); 1808: 1809: my %lt = &Apache::lonlocal::texthash( 1810: 'pref' => 'Display Preference', 1811: 'curr' => 'Current setting ', 1812: 'actn' => 'Action', 1813: 'deff' => 'Default for all discussions', 1814: 'prca' => 'Preferences can be set for this discussion that determine ....', 1815: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1816: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1817: 'wipa' => 'Whether individual posts can be marked as read/unread', 1818: 'allposts' => 'All posts', 1819: 'unread' => 'New posts only', 1820: 'unmark' => 'Posts not marked read', 1821: 'ondisp' => 'Once displayed', 1822: 'onmark' => 'Once marked not NEW', 1823: 'toggon' => 'Shown', 1824: 'toggoff' => 'Not shown', 1825: 'disa' => 'Posts displayed?', 1826: 'npmr' => 'New posts cease to be identified as "NEW"?', 1827: 'dotm' => 'Option to mark each post as read/unread?', 1828: 'chgt' => 'Change to ', 1829: 'mkdf' => 'Set to ', 1830: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1831: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1832: ); 1833: 1834: my $dispchangeA = $lt{'unread'}; 1835: my $dispchangeB = $lt{'unmark'}; 1836: my $markchange = $lt{'ondisp'}; 1837: my $toggchange = $lt{'toggon'}; 1838: my $currdisp = $lt{'allposts'}; 1839: my $currmark = $lt{'onmark'}; 1840: my $discdisp = 'allposts'; 1841: my $discmark = 'onmark'; 1842: my $currtogg = $lt{'toggoff'}; 1843: my $disctogg = 'toggoff'; 1844: 1845: if ($dispchgA eq 'allposts') { 1846: $dispchangeA = $lt{'allposts'}; 1847: $currdisp = $lt{'unread'}; 1848: $discdisp = 'unread'; 1849: } 1850: 1851: if ($markchg eq 'markonread') { 1852: $markchange = $lt{'onmark'}; 1853: $currmark = $lt{'ondisp'}; 1854: $discmark = 'ondisp'; 1855: } 1856: 1857: if ($dispchgB eq 'onlyunread') { 1858: $dispchangeB = $lt{'unread'}; 1859: $currdisp = $lt{'unmark'}; 1860: $discdisp = 'unmark'; 1861: } 1862: if ($toggchg eq 'toggoff') { 1863: $toggchange = $lt{'toggoff'}; 1864: $currtogg = $lt{'toggon'}; 1865: $disctogg = 'toggon'; 1866: } 1867: 1868: my $js = <<END; 1869: <script type="text/javascript"> 1870: function discdispChk(caller) { 1871: var disctogg = '$toggchg' 1872: if (caller == 0) { 1873: if (document.modifydisp.discdisp[0].checked == true) { 1874: if (document.modifydisp.discdisp[1].checked == true) { 1875: document.modifydisp.discdisp[1].checked = false 1876: } 1877: } 1878: } 1879: if (caller == 1) { 1880: if (document.modifydisp.discdisp[1].checked == true) { 1881: if (document.modifydisp.discdisp[0].checked == true) { 1882: document.modifydisp.discdisp[0].checked = false 1883: } 1884: if (disctogg == 'toggon') { 1885: document.modifydisp.disctogg.checked = true 1886: } 1887: if (disctogg == 'toggoff') { 1888: document.modifydisp.disctogg.checked = false 1889: } 1890: } 1891: } 1892: if (caller == 2) { 1893: var dispchgB = '$dispchgB' 1894: if (disctogg == 'toggoff') { 1895: if (document.modifydisp.disctogg.checked == true) { 1896: if (dispchgB == 'onlyunmark') { 1897: document.modifydisp.discdisp[1].checked = false 1898: } 1899: } 1900: } 1901: } 1902: } 1903: 1904: function setDisp() { 1905: var prev = "$previous" 1906: var chktotal = 0 1907: if (document.modifydisp.discdisp[0].checked == true) { 1908: document.modifydisp.$dispchgA.value = "$symb" 1909: chktotal ++ 1910: } 1911: if (document.modifydisp.discdisp[1].checked == true) { 1912: document.modifydisp.$dispchgB.value = "$symb" 1913: chktotal ++ 1914: } 1915: if (document.modifydisp.discmark.checked == true) { 1916: document.modifydisp.$markchg.value = "$symb" 1917: chktotal ++ 1918: } 1919: if (document.modifydisp.disctogg.checked == true) { 1920: document.modifydisp.$toggchg.value = "$symb" 1921: chktotal ++ 1922: } 1923: if (chktotal > 0) { 1924: document.modifydisp.submit() 1925: } else { 1926: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1927: if (prev > 0) { 1928: location.href = "$feedurl?previous=$previous" 1929: } else { 1930: location.href = "$feedurl" 1931: } 1932: } 1933: } 1934: } 1935: </script> 1936: END 1937: 1938: 1939: my $start_page = 1940: &Apache::loncommon::start_page('Discussion display options',$js); 1941: my $end_page = 1942: &Apache::loncommon::end_page(); 1943: $r->print(<<END); 1944: $start_page 1945: <form name="modifydisp" method="post" action="/adm/feedback"> 1946: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1947: <br /> 1948: END 1949: $r->print(&Apache::loncommon::start_data_table()); 1950: $r->print(<<END); 1951: <tr> 1952: <th>$lt{'pref'}</td> 1953: <th>$lt{'curr'}</td> 1954: <th>$lt{'actn'}?</td> 1955: </tr> 1956: END 1957: $r->print(&Apache::loncommon::start_data_table_row()); 1958: $r->print(<<END); 1959: <td>$lt{'disa'}</td> 1960: <td>$lt{$discdisp}</td> 1961: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1962: <br /> 1963: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1964: </td> 1965: END 1966: $r->print(&Apache::loncommon::end_data_table_row()); 1967: $r->print(&Apache::loncommon::start_data_table_row()); 1968: $r->print(<<END); 1969: <td>$lt{'npmr'}</td> 1970: <td>$lt{$discmark}</td> 1971: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1972: END 1973: $r->print(&Apache::loncommon::end_data_table_row()); 1974: $r->print(&Apache::loncommon::start_data_table_row()); 1975: $r->print(<<END); 1976: <td>$lt{'dotm'}</td> 1977: <td>$lt{$disctogg}</td> 1978: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1979: END 1980: my $save = &mt('Save'); 1981: $r->print(&Apache::loncommon::end_data_table_row()); 1982: $r->print(&Apache::loncommon::end_data_table()); 1983: $r->print(<<END); 1984: <br /> 1985: <br /> 1986: <input type="hidden" name="symb" value="$symb" /> 1987: <input type="hidden" name="previous" value="$previous" /> 1988: <input type="hidden" name="$dispchgA" value="" /> 1989: <input type="hidden" name="$dispchgB" value="" /> 1990: <input type="hidden" name="$markchg" value="" /> 1991: <input type="hidden" name="$toggchg" value="" /> 1992: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 1993: END 1994: if (exists($env{'form.group'})) { 1995: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1996: } 1997: if (exists($env{'form.ref'})) { 1998: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1999: } 2000: $r->print(" 2001: <br /> 2002: <br /> 2003: </form> 2004: $end_page 2005: "); 2006: return; 2007: } 2008: 2009: sub print_sortfilter_options { 2010: my ($r,$symb,$previous,$feedurl) = @_; 2011: 2012: &Apache::loncommon::content_type($r,'text/html'); 2013: $r->send_http_header; 2014: 2015: &Apache::lonenc::check_encrypt(\$symb); 2016: my @sections; 2017: my $section_sel = ''; 2018: my $numvisible = 5; 2019: my @groups; 2020: my $group_sel = ''; 2021: my $numgroupvis = 5; 2022: my %sectioncount = &Apache::loncommon::get_sections(); 2023: my @courseroles = qw(st ad ep ta in); 2024: my $crstype = &Apache::loncommon::course_type(); 2025: my $ccrole = 'cc'; 2026: if ($crstype eq 'Community') { 2027: $ccrole = 'co'; 2028: } 2029: push(@courseroles,$ccrole); 2030: 2031: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2032: @sections = ('all',$env{'request.course.sec'}); 2033: $numvisible = 2; 2034: } else { 2035: @sections = sort {$a cmp $b} keys(%sectioncount); 2036: if (scalar(@sections) < 4) { 2037: $numvisible = scalar(@sections) + 1; 2038: } 2039: unshift(@sections,'all'); # Put 'all' at the front of the list 2040: 2041: } 2042: foreach my $sec (@sections) { 2043: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2044: } 2045: 2046: if (&check_group_priv() eq 'ok') { 2047: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2048: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2049: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2050: @groups = sort {$a cmp $b} keys(%curr_groups); 2051: if (scalar(@groups) < 4) { 2052: $numgroupvis = scalar(@groups) + 1; 2053: } 2054: unshift(@groups,'all'); # Put 'all' at the front of the list 2055: } else { 2056: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2057: if (@coursegroups > 0) { 2058: @coursegroups = sort {$a cmp $b} @coursegroups; 2059: @groups = ('all',@coursegroups); 2060: if (scalar(@groups) < 4) { 2061: $numgroupvis = scalar(@groups) + 1; 2062: } 2063: } else { 2064: @groups = ('all'); 2065: $numgroupvis = 1; 2066: } 2067: } 2068: foreach my $group (@groups) { 2069: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2070: } 2071: 2072: my $function = &Apache::loncommon::get_users_function(); 2073: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2074: $env{'user.domain'}); 2075: my %lt = &Apache::lonlocal::texthash( 2076: 'diop' => 'Display Options', 2077: 'curr' => 'Current setting ', 2078: 'actn' => 'Action', 2079: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2080: 'soor' => 'Sort order', 2081: 'spur' => 'Specific user roles', 2082: 'sprs' => 'Specific role status', 2083: 'spse' => 'Specific sections', 2084: 'spgr' => 'Specific groups', 2085: 'psub' => 'Pick specific users (by name)', 2086: 'shal' => 'Show a list of current posters', 2087: 'stor' => 'Save changes', 2088: ); 2089: 2090: my %sort_types = (); 2091: my %role_types = (); 2092: my %status_types = (); 2093: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2094: 2095: my $js = <<END; 2096: <script type="text/javascript"> 2097: function verifyFilter() { 2098: var rolenum = 0 2099: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2100: if (document.modifyshown.rolefilter.options[i].selected == true) { 2101: rolenum ++ 2102: } 2103: } 2104: if (rolenum == 0) { 2105: document.modifyshown.rolefilter.options[0].selected = true 2106: } 2107: 2108: var secnum = 0 2109: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2110: if (document.modifyshown.sectionpick.options[i].selected == true) { 2111: secnum ++ 2112: } 2113: } 2114: if (secnum == 0) { 2115: document.modifyshown.sectionpick.options[0].selected = true 2116: } 2117: 2118: var grpnum = 0 2119: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2120: if (document.modifyshown.grouppick.options[i].selected == true) { 2121: grpnum ++ 2122: } 2123: } 2124: if (grpnum == 0) { 2125: document.modifyshown.grouppick.options[0].selected = true 2126: } 2127: 2128: document.modifyshown.submit(); 2129: } 2130: </script> 2131: END 2132: 2133: my $start_page= 2134: &Apache::loncommon::start_page('Discussion options',$js); 2135: my $end_page= 2136: &Apache::loncommon::end_page(); 2137: 2138: $r->print(<<END); 2139: $start_page 2140: <form name="modifyshown" method="post" action="/adm/feedback"> 2141: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2142: <br /><br /> 2143: <table border="0"> 2144: <tr> 2145: <th>$lt{'soor'}</th> 2146: <th> </th> 2147: <th>$lt{'sprs'}</th> 2148: <th> </th> 2149: <th>$lt{'spur'}</th> 2150: <th> </th> 2151: <th>$lt{'spse'}</th> 2152: <th> </th> 2153: <th>$lt{'spgr'}</th> 2154: <th> </th> 2155: <th>$lt{'psub'}</th> 2156: </tr> 2157: <tr> 2158: <td align="center" valign="top"> 2159: <select name="sortposts"> 2160: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2161: <option value="descdate">$sort_types{'descdate'}</option> 2162: <option value="thread">$sort_types{'thread'}</option> 2163: <option value="subject">$sort_types{'subject'}</option> 2164: <option value="username">$sort_types{'username'}</option> 2165: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2166: </select> 2167: </td> 2168: <td> </td> 2169: <td align="center" valign="top"> 2170: <select name="statusfilter"> 2171: <option value="all" selected="selected">$status_types{'all'}</option> 2172: <option value="Active">$status_types{'Active'}</option> 2173: <option value="Expired">$status_types{'Expired'}</option> 2174: <option value="Future">$status_types{'Future'}</option> 2175: </select> 2176: </td> 2177: <td> </td> 2178: <td align="center" valign="top"> 2179: <select name="rolefilter" multiple="multiple" size="5"> 2180: <option value="all">$role_types{'all'}</option> 2181: <option value="st">$role_types{'st'}</option> 2182: <option value="$ccrole">$role_types{$ccrole}</option> 2183: <option value="in">$role_types{'in'}</option> 2184: <option value="ta">$role_types{'ta'}</option> 2185: <option value="ep">$role_types{'ep'}</option> 2186: <option value="ad">$role_types{'ad'}</option> 2187: <option value="cr">$role_types{'cr'}</option> 2188: </select> 2189: </td> 2190: <td> </td> 2191: <td align="center" valign="top"> 2192: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2193: $section_sel 2194: </select> 2195: </td> 2196: <td> </td> 2197: <td align="center" valign="top"> 2198: <select name="grouppick" multiple="multiple" size="$numvisible"> 2199: $group_sel 2200: </select> 2201: </td> 2202: <td> </td> 2203: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2204: </tr> 2205: </table> 2206: <br /> 2207: <br /> 2208: <input type="hidden" name="previous" value="$previous" /> 2209: <input type="hidden" name="applysort" value="$symb" /> 2210: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2211: END 2212: if (exists($env{'form.group'})) { 2213: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2214: } 2215: if (exists($env{'form.ref'})) { 2216: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2217: } 2218: $r->print(" 2219: <br /> 2220: <br /> 2221: </form> 2222: $end_page 2223: "); 2224: } 2225: 2226: sub print_showposters { 2227: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2228: 2229: &Apache::loncommon::content_type($r,'text/html'); 2230: $r->send_http_header; 2231: 2232: &Apache::lonenc::check_encrypt(\$symb); 2233: my $crs='/'.$env{'request.course.id'}; 2234: if ($env{'request.course.sec'}) { 2235: $crs.='_'.$env{'request.course.sec'}; 2236: } 2237: $crs=~s/\_/\//g; 2238: my $seeid; 2239: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2240: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2241: my $group = $env{'form.group'}; 2242: my $ressymb = &wrap_symb($symb); 2243: if (($group ne '') && 2244: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2245: if (&check_group_priv($group,'dgp') eq 'ok') { 2246: $seeid = 1; 2247: } 2248: } else { 2249: $seeid=&Apache::lonnet::allowed('rin',$crs); 2250: } 2251: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2252: $cdom,$cnum); 2253: my %namesort = (); 2254: my %postcounts = (); 2255: 2256: my %lt = &Apache::lonlocal::texthash( 2257: sele => 'Select', 2258: full => 'Fullname', 2259: usdo => 'Username:domain', 2260: post => 'Posts', 2261: ); 2262: if ($contrib{'version'}) { 2263: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2264: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2265: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2266: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2267: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2268: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2269: my $lastname = $names{'lastname'}; 2270: my $firstname = $names{'firstname'}; 2271: if ($lastname eq '') { 2272: $lastname = '_'; 2273: } 2274: if ($firstname eq '') { 2275: $firstname = '_'; 2276: } 2277: unless (defined($namesort{$lastname})) { 2278: %{$namesort{$lastname}} = (); 2279: } 2280: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2281: $postcounts{$poster} ++; 2282: if (defined($namesort{$lastname}{$firstname})) { 2283: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2284: push(@{$namesort{$lastname}{$firstname}}, $poster); 2285: } 2286: } else { 2287: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2288: } 2289: } 2290: } 2291: } 2292: } 2293: 2294: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2295: my $table_start =&Apache::loncommon::start_data_table(); 2296: $r->print(<<END); 2297: $start_page 2298: <form name="pickpostersform" method="post"> 2299: <br /> 2300: $table_start 2301: <tr> 2302: <th>#</th> 2303: <th>$lt{'sele'}</th> 2304: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2305: <th>$lt{'post'}</th> 2306: </tr> 2307: END 2308: my $count = 0; 2309: foreach my $last (sort(keys(%namesort))) { 2310: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2311: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2312: my ($uname,$udom) = split(/:/,$user); 2313: if (!$uname || !$udom) { 2314: next; 2315: } else { 2316: $count ++; 2317: $r->print(&Apache::loncommon::start_data_table_row(). 2318: '<td align="right">'.$count.'</td> 2319: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2320: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2321: <td>'.$postcounts{$user}.'</td>'. 2322: &Apache::loncommon::end_data_table_row()); 2323: } 2324: } 2325: } 2326: } 2327: $r->print(&Apache::loncommon::end_data_table()); 2328: my $end_page = &Apache::loncommon::end_page(); 2329: $r->print(<<END); 2330: <br /> 2331: <input type="hidden" name="sortposts" value="$sortposts" /> 2332: <input type="hidden" name="userpick" value="$symb" /> 2333: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2334: </form> 2335: $end_page 2336: END 2337: } 2338: 2339: sub get_post_versions { 2340: my ($versions,$incoming,$htmldecode,$numver) = @_; 2341: if ($incoming =~ /^<version num="0">/) { 2342: my $p = HTML::LCParser->new(\$incoming); 2343: my $done = 0; 2344: 2345: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2346: my $num = $token->[1]{num}; 2347: my $text = $p->get_text("/version"); 2348: if (defined($numver)) { 2349: if ($num == $numver) { 2350: if ($htmldecode) { 2351: $text = &HTML::Entities::decode($text); 2352: } 2353: $$versions{$numver}=$text; 2354: $done = 1; 2355: } 2356: } else { 2357: if ($htmldecode) { 2358: $text = &HTML::Entities::decode($text); 2359: } 2360: $$versions{$num}=$text; 2361: } 2362: } 2363: } else { 2364: if (!defined($numver)) { 2365: $numver = 0; 2366: } 2367: if ($htmldecode) { 2368: $$versions{$numver} = $incoming; 2369: } else { 2370: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2371: } 2372: } 2373: return; 2374: } 2375: 2376: sub get_post_attachments { 2377: my ($attachments,$attachmenturls) = @_; 2378: my $num; 2379: if ($attachmenturls =~ m/^<attachment id="0">/) { 2380: my $p = HTML::LCParser->new(\$attachmenturls); 2381: while (my $token = $p->get_tag("attachment","filename","post")) { 2382: if ($token->[0] eq "attachment") { 2383: $num = $token->[1]{id}; 2384: %{$$attachments{$num}} =(); 2385: } elsif ($token->[0] eq "filename") { 2386: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2387: } elsif ($token->[0] eq "post") { 2388: my $id = $token->[1]{id}; 2389: $$attachments{$num}{$id} = $p->get_text("/post"); 2390: } 2391: } 2392: } else { 2393: %{$$attachments{'0'}} = (); 2394: $$attachments{'0'}{'filename'} = $attachmenturls; 2395: $$attachments{'0'}{'0'} = 'n'; 2396: } 2397: 2398: return; 2399: } 2400: 2401: sub fail_redirect { 2402: my ($r,$feedurl) = @_; 2403: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2404: my %lt = &Apache::lonlocal::texthash( 2405: 'sorr' => 'Sorry, no recipients ...', 2406: ); 2407: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2408: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2409: {'redirect' => [2,$feedurl], 2410: 'only_body' => 1,})); 2411: $r->print(<<ENDFAILREDIR); 2412: <img align="right" src="$logo" /> 2413: <b>$lt{'sorr'}</b> 2414: ENDFAILREDIR 2415: $r->print(&Apache::loncommon::end_page()); 2416: } 2417: 2418: sub redirect_back { 2419: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2420: my $sorttag = ''; 2421: my $roletag = ''; 2422: my $statustag = ''; 2423: my $sectag = ''; 2424: my $grptag = ''; 2425: my $userpicktag = ''; 2426: my $qrystr = ''; 2427: my $prevtag = ''; 2428: 2429: &Apache::loncommon::content_type($r,'text/html'); 2430: $r->send_http_header; 2431: &dewrapper(\$feedurl); 2432: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2433: if ($previous > 0) { 2434: $qrystr = 'previous='.$previous; 2435: if ($feedurl =~ /\?register=1/) { 2436: $feedurl .= '&'.$qrystr; 2437: } else { 2438: $feedurl .= '?'.$qrystr; 2439: } 2440: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2441: } 2442: if (defined($sort)) { 2443: my $sortqry = 'sortposts='.$sort; 2444: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2445: $feedurl .= '&'.$sortqry; 2446: } else { 2447: $feedurl .= '?'.$sortqry; 2448: } 2449: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2450: if (defined($numpicks)) { 2451: my $userpickqry = 'totposters='.$numpicks; 2452: $feedurl .= '&'.$userpickqry; 2453: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2454: } else { 2455: if (ref($sectionpick) eq 'ARRAY') { 2456: $feedurl .= '&sectionpick='; 2457: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2458: foreach my $sec (@{$sectionpick}) { 2459: $feedurl .= $sec.','; 2460: $sectag .= $sec.','; 2461: } 2462: $feedurl =~ s/,$//; 2463: $sectag =~ s/,$//; 2464: $sectag .= '" />'; 2465: } else { 2466: $feedurl .= '&sectionpick='.$sectionpick; 2467: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2468: } 2469: if (ref($grouppick) eq 'ARRAY') { 2470: $feedurl .= '&grouppick='; 2471: $sectag .= '<input type="hidden" name="grouppick" value="'; 2472: foreach my $grp (@{$grouppick}) { 2473: $feedurl .= $grp.','; 2474: $grptag .= $grp.','; 2475: } 2476: $feedurl =~ s/,$//; 2477: $grptag =~ s/,$//; 2478: $grptag .= '" />'; 2479: } else { 2480: $feedurl .= '&grouppick='.$grouppick; 2481: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2482: } 2483: if (ref($rolefilter) eq 'ARRAY') { 2484: $feedurl .= '&rolefilter='; 2485: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2486: foreach my $role (@{$rolefilter}) { 2487: $feedurl .= $role.','; 2488: $roletag .= $role.','; 2489: } 2490: $feedurl =~ s/,$//; 2491: $roletag =~ s/,$//; 2492: $roletag .= '" />'; 2493: } else { 2494: $feedurl .= '&rolefilter='.$rolefilter; 2495: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2496: } 2497: $feedurl .= '&statusfilter='.$statusfilter; 2498: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2499: } 2500: } 2501: my $grouptag; 2502: if ($group ne '') { 2503: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2504: my $refarg; 2505: if (exists($env{'form.ref'})) { 2506: $refarg = '&ref='.$env{'form.ref'}; 2507: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2508: } 2509: if ($feedurl =~ /\?/) { 2510: $feedurl .= '&group='.$group.$refarg; 2511: } else { 2512: $feedurl .= '?group='.$group.$refarg; 2513: } 2514: } 2515: &Apache::lonenc::check_encrypt(\$feedurl); 2516: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2517: my %onload; 2518: if ($env{'environment.remote'} ne 'off') { 2519: $onload{'onload'} = 2520: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2521: } 2522: my $start_page= 2523: &Apache::loncommon::start_page('Feedback sent',undef, 2524: {'redirect' => [0,$feedurl], 2525: 'only_body' => 1, 2526: 'add_entries' => \%onload}); 2527: my $end_page = &Apache::loncommon::end_page(); 2528: $r->print(<<ENDREDIR); 2529: $start_page 2530: <img align="right" src="$logo" /> 2531: $typestyle 2532: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2533: $blog 2534: $toolarge 2535: <font color="red">$status</font> 2536: <form name="reldt" action="$feedurl" target="loncapaclient"> 2537: $prevtag 2538: $sorttag 2539: $statustag 2540: $roletag 2541: $sectag 2542: $grptag 2543: $userpicktag 2544: $grouptag 2545: </form> 2546: $end_page 2547: ENDREDIR 2548: } 2549: 2550: sub no_redirect_back { 2551: my ($r,$feedurl) = @_; 2552: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2553: 2554: my %onload; 2555: if ($env{'environment.remote'} ne 'off') { 2556: $onload{'onload'} = 2557: "if (window.name!='loncapaclient') { self.window.close(); }"; 2558: } 2559: 2560: my %body_options = ('only_body' => 1, 2561: 'bgcolor' => '#FFFFFF', 2562: 'add_entries' => \%onload,); 2563: 2564: if ($feedurl !~ m{^/adm/feedback}) { 2565: $body_options{'rediect'} = [2,$feedurl]; 2566: } 2567: my $start_page= 2568: &Apache::loncommon::start_page('Feedback not sent',undef, 2569: \%body_options); 2570: 2571: my $end_page = &Apache::loncommon::end_page(); 2572: 2573: &Apache::lonenc::check_encrypt(\$feedurl); 2574: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2575: $r->print (<<ENDNOREDIRTWO); 2576: $start_page 2577: <img align="right" src="$logo" /> 2578: <b>$nofeed</b> 2579: <br /> 2580: $end_page 2581: ENDNOREDIRTWO 2582: } 2583: 2584: sub screen_header { 2585: my ($feedurl,$symb) = @_; 2586: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2587: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2588: my $contribdisc = &mt('Contribution to course discussion of resource'); 2589: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2590: my $namevis = &mt('name only visible to course faculty'); 2591: my $crstype; 2592: if ($env{'request.course.id'}) { 2593: $crstype = &Apache::loncommon::course_type(); 2594: if ($crstype eq 'Community') { 2595: $crscontent = &mt('Question/Comment/Feedback about community content'); 2596: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2597: $contribdisc = &mt('Contribution to community discussion of resource'); 2598: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2599: $namevis = &mt('name only visible to community facilitators'); 2600: } 2601: } 2602: my $msgoptions=''; 2603: my $discussoptions=''; 2604: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2605: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2606: $msgoptions= 2607: '<p><label><input type="radio" name="discuss" value="author" /> '. 2608: &mt('Feedback to resource author').'</label></p>'; 2609: } 2610: my %optionhash=(); 2611: foreach my $type ('question','comment','policy') { 2612: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2613: } 2614: if (&feedback_available(1)) { 2615: $msgoptions.= 2616: '<p><label><input type="radio" name="discuss" value="question" /> '. 2617: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2618: } 2619: if (&feedback_available(0,1)) { 2620: $msgoptions.= 2621: '<p><label><input type="radio" name="discuss" value="course" /> '. 2622: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2623: '</label></p>'; 2624: } 2625: if (&feedback_available(0,0,1)) { 2626: $msgoptions.= 2627: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2628: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2629: '</label></p>'; 2630: } 2631: } 2632: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2633: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2634: if (!$blocked && &discussion_open(undef,$symb) && 2635: &Apache::lonnet::allowed('pch', 2636: $env{'request.course.id'}. 2637: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2638: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2639: $contribdisc. 2640: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2641: $anoncontrib. 2642: ' <i>('.$namevis.')</i></label> '. 2643: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2644: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2645: if (!$blockblog) { 2646: $discussoptions.= &add_blog_checkbox($crstype); 2647: } 2648: } 2649: } 2650: if ($msgoptions) { 2651: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2652: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2653: .$msgoptions; 2654: } 2655: if ($discussoptions) { 2656: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2657: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2658: .$discussoptions; 2659: } 2660: return $msgoptions.$discussoptions; 2661: } 2662: 2663: sub resource_output { 2664: my ($feedurl) = @_; 2665: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2666: $usersaw=~s/\<body[^\>]*\>//gi; 2667: $usersaw=~s/\<\/body\>//gi; 2668: $usersaw=~s/\<html\>//gi; 2669: $usersaw=~s/\<\/html\>//gi; 2670: $usersaw=~s/\<head\>//gi; 2671: $usersaw=~s/\<\/head\>//gi; 2672: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2673: return $usersaw; 2674: } 2675: 2676: sub clear_out_html { 2677: my ($message,$override,$ignore_htmlarea)=@_; 2678: if (!$ignore_htmlarea 2679: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2680: # Always allow the <m>-tag 2681: my %html=(M=>1); 2682: # Check if more is allowed 2683: my $cid=$env{'request.course.id'}; 2684: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2685: ($override)) { 2686: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2687: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2688: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2689: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2690: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2691: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2692: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2693: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2694: } 2695: # Do the substitution of everything that is not explicitly allowed 2696: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2697: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2698: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2699: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2700: return $message; 2701: } 2702: 2703: sub assemble_email { 2704: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2705: my %lt = &Apache::lonlocal::texthash( 2706: 'prev' => 'Previous attempts of student (if applicable)', 2707: 'orig' => 'Original screen output (if applicable)', 2708: 'corr' => 'Correct Answer(s) (if applicable)', 2709: ); 2710: if (&Apache::loncommon::course_type() eq 'Community') { 2711: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2712: } 2713: my $email=<<"ENDEMAIL"; 2714: $message 2715: ENDEMAIL 2716: my $citations=<<"ENDCITE"; 2717: <h2>$lt{'prev'}</h2> 2718: $prevattempts 2719: <br /><hr /> 2720: <h2>$lt{'orig'}</h2> 2721: $usersaw 2722: <h2>$lt{'corr'}</h2> 2723: $useranswer 2724: ENDCITE 2725: return ($email,$citations); 2726: } 2727: 2728: 2729: sub feedback_available { 2730: my ($question,$course,$policy)=@_; 2731: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2732: $course,$policy); 2733: return scalar(%to); 2734: } 2735: 2736: sub send_msg { 2737: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2738: my $status=''; 2739: my $sendsomething=0; 2740: my $restitle = &get_resource_title($symb,$feedurl); 2741: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2742: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2743: foreach my $key (keys(%to)) { 2744: if ($key) { 2745: my ($user,$domain) = split(/\:/,$key,2); 2746: if (!defined($user)) { 2747: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2748: } elsif (!defined($domain)) { 2749: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2750: } else { 2751: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2752: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2753: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2754: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2755: } else { 2756: $sendsomething++; 2757: } 2758: } 2759: } 2760: } 2761: 2762: 2763: my %record=&Apache::lonnet::restore('_feedback'); 2764: my ($temp)=keys(%record); 2765: unless ($temp=~/^error\:/) { 2766: my %newrecord=(); 2767: $newrecord{'resource'}=$feedurl; 2768: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2769: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2770: $status.='<br />'.&mt('Not registered').'<br />'; 2771: } 2772: } 2773: 2774: return ($status,$sendsomething); 2775: } 2776: 2777: sub adddiscuss { 2778: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2779: my $status=''; 2780: my $realsymb; 2781: if ($symb=~/^bulletin___/) { 2782: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2783: $filename=~s|^adm/wrapper/||; 2784: $realsymb=&Apache::lonnet::symbread($filename); 2785: } 2786: if (&discussion_open(undef,$realsymb) && 2787: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2788: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2789: 2790: my %contrib=('message' => $email, 2791: 'sendername' => $env{'user.name'}, 2792: 'senderdomain' => $env{'user.domain'}, 2793: 'screenname' => $env{'environment.screenname'}, 2794: 'plainname' => $env{'environment.firstname'}.' '. 2795: $env{'environment.middlename'}.' '. 2796: $env{'environment.lastname'}.' '. 2797: $env{'enrironment.generation'}, 2798: 'attachmenturl'=> $attachmenturl, 2799: 'subject' => $subject); 2800: if ($env{'form.replydisc'}) { 2801: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2802: } 2803: if ($anon) { 2804: $contrib{'anonymous'}='true'; 2805: } 2806: if (($symb) && ($email)) { 2807: my $now = time; 2808: if ($env{'form.editdisc'}) { 2809: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2810: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2811: $contrib{'timestamp'} = $now; 2812: $contrib{'history'} = ''; 2813: my $numoldver = 0; 2814: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2815: &Apache::lonenc::check_decrypt(\$oldsymb); 2816: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2817: # get timestamp for last post and history 2818: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2819: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2820: $env{'course.'.$env{'request.course.id'}.'.num'}); 2821: if (defined($oldcontrib{$oldidx.':replyto'})) { 2822: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2823: } 2824: if (defined($oldcontrib{$oldidx.':history'})) { 2825: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2826: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2827: $numoldver = @oldversions; 2828: } else { 2829: $numoldver = 1; 2830: } 2831: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2832: } 2833: my $numnewver = $numoldver + 1; 2834: if (defined($oldcontrib{$oldidx.':subject'})) { 2835: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2836: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2837: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2838: } else { 2839: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2840: } 2841: } 2842: if (defined($oldcontrib{$oldidx.':message'})) { 2843: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2844: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2845: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2846: } else { 2847: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2848: } 2849: } 2850: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2851: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2852: $oldsymb,$oldidx,\%contrib, 2853: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2854: $env{'course.'.$env{'request.course.id'}.'.num'}); 2855: $status='Editing class discussion'.($anon?' (anonymous)':''); 2856: } else { 2857: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2858: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2859: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2860: $env{'course.'.$env{'request.course.id'}.'.num'}); 2861: } 2862: my %storenewentry=($symb => $now); 2863: $status.='<br />'.&mt('Updating discussion time').': '. 2864: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2865: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2866: $env{'course.'.$env{'request.course.id'}.'.num'}); 2867: } 2868: my %record=&Apache::lonnet::restore('_discussion'); 2869: my ($temp)=keys(%record); 2870: unless ($temp=~/^error\:/) { 2871: my %newrecord=(); 2872: $newrecord{'resource'}=$symb; 2873: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2874: $status.='<br />'.&mt('Registering').': '. 2875: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2876: } 2877: } else { 2878: $status.='Failed.'; 2879: } 2880: return $status.'<br />'; 2881: } 2882: 2883: sub get_discussion_info { 2884: my ($idx,%contrib) = @_; 2885: my $changelast = 0; 2886: my $count = 0; 2887: my $hiddenflag = 0; 2888: my $deletedflag = 0; 2889: my ($hidden,$deleted,%info,$newlastdisc); 2890: my $version = $contrib{'version'}; 2891: if ($version) { 2892: for (my $id=$version; $id>0; $id--) { 2893: my $vkeys=$contrib{$id.':keys'}; 2894: my @keys=split(/:/,$vkeys); 2895: if (grep(/^hidden$/,@keys)) { 2896: if (!$hiddenflag) { 2897: $hidden = $contrib{$id.':hidden'}; 2898: $hiddenflag = 1; 2899: } 2900: } elsif (grep(/^deleted$/,@keys)) { 2901: if (!$deletedflag) { 2902: $deleted = $contrib{$id.':deleted'}; 2903: $deletedflag = 1; 2904: } 2905: } else { 2906: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2907: $count++; 2908: $info{$count}{'id'} = $id; 2909: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2910: } 2911: } 2912: } 2913: if ($info{'1'}{'id'} == $idx) { 2914: $changelast = 1; 2915: if ($count > 1) { 2916: $newlastdisc = $info{'2'}{'timestamp'}; 2917: } else { 2918: $newlastdisc = 0; 2919: } 2920: } 2921: } 2922: return ($changelast,$newlastdisc); 2923: } 2924: 2925: # ----------------------------------------------------------- Preview function 2926: 2927: sub show_preview { 2928: my ($r) = @_; 2929: &Apache::loncommon::content_type($r,'text/html'); 2930: $r->send_http_header; 2931: my $start_page= 2932: &Apache::loncommon::start_page('Preview',undef, 2933: {'only_body' => 1,}); 2934: 2935: my $message=&clear_out_html($env{'form.comment'}); 2936: &newline_to_br(\$message); 2937: $message=&Apache::lonspeller::markeduptext($message); 2938: $message=&Apache::lontexconvert::msgtexconverted($message); 2939: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2940: $subject=~s/\n/\<br \/\>/g; 2941: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2942: 2943: my $end_page = &Apache::loncommon::end_page(); 2944: 2945: $r->print($start_page 2946: .'<h1>'.&mt('Preview').'</h1>' 2947: .&Apache::lonhtmlcommon::start_pick_box() 2948: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2949: .$subject 2950: .&Apache::lonhtmlcommon::row_closure() 2951: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2952: .$message 2953: .&Apache::lonhtmlcommon::row_closure(1) 2954: .&Apache::lonhtmlcommon::end_pick_box() 2955: .$end_page 2956: ); 2957: } 2958: 2959: sub contains_block_html { 2960: my ($message)=@_; 2961: return ($message =~ m{ 2962: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 2963: \s* 2964: (\w+\=['"]\w+['"])* 2965: \s* 2966: ( 2967: \s*/>| 2968: >.*</\1\s*> 2969: )}xs 2970: ); 2971: } 2972: 2973: sub tidy_html { 2974: my ($message)=@_; 2975: # my $tidy = HTML::Tidy::libXML->new(); 2976: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 2977: # $xhtml =~ m/<body>(.*)<\/body>/is; 2978: # my $clean = $1; 2979: # # remove any empty block-level tags 2980: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 2981: # $message=$clean; 2982: return $message; 2983: } 2984: 2985: sub newline_to_br { 2986: my ($message)=@_; 2987: my $newmessage; 2988: my $parser=HTML::LCParser->new($message); 2989: while (my $token=$parser->get_token()) { 2990: if ($token->[0] eq 'T') { 2991: my $text=$token->[1]; 2992: $text=~s/\n/\<br \/\>/g; 2993: $newmessage.=$text; 2994: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2995: $newmessage.=$token->[1]; 2996: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2997: $newmessage.=$token->[2]; 2998: } elsif ($token->[0] eq 'S') { 2999: $newmessage.=$token->[4]; 3000: } 3001: 3002: } 3003: $$message=$newmessage; 3004: } 3005: 3006: sub generate_preview_button { 3007: my ($formname,$fieldname)=@_; 3008: unless ($formname) { $formname='mailform'; } 3009: unless ($fieldname) { $fieldname='comment'; } 3010: my $pre=&mt("Show Preview and Check Spelling"); 3011: return(<<ENDPREVIEW); 3012: <br /> 3013: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3014: <input type="hidden" name="subject" /> 3015: <input type="hidden" name="comment" /> 3016: <input type="button" value="$pre" 3017: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3018: </form> 3019: ENDPREVIEW 3020: } 3021: 3022: sub modify_attachments { 3023: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3024: $attachmaxtext,$toolarge)=@_; 3025: 3026: my %lt = &Apache::lonlocal::texthash( 3027: 'subj' => 'Subject', 3028: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3029: 'chth' => 'Check the checkboxes for any you wish to remove.', 3030: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3031: 'adda' => 'Add a new attachment to this post.', 3032: 'stch' => 'Save Changes', 3033: ); 3034: my $js = <<END; 3035: <script type="text/javascript"> 3036: function setAction () { 3037: document.modattachments.action = document.modattachments.origpage.value; 3038: document.modattachments.submit(); 3039: } 3040: </script> 3041: END 3042: 3043: # Breadcrumbs 3044: my $brcrum = [{'href' => '', 3045: 'text' => 'Discussion Post Attachments'}]; 3046: my $start_page = 3047: &Apache::loncommon::start_page('Discussion Post Attachments',$js, 3048: {'bread_crumbs' => $brcrum,}); 3049: 3050: my $orig_subject = &unescape($env{'form.subject'}); 3051: my $subject=&clear_out_html($orig_subject,undef,1); 3052: $subject=~s/\n/\<br \/\>/g; 3053: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3054: my $timestamp=$env{'form.timestamp'}; 3055: my $numoldver=$env{'form.numoldver'}; 3056: 3057: my $msg = ''; 3058: my %attachments = (); 3059: my %currattach = (); 3060: if ($idx) { 3061: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3062: } 3063: &Apache::lonenc::check_encrypt(\$symb); 3064: 3065: my $end_page = 3066: &Apache::loncommon::end_page(); 3067: 3068: $r->print(<<END); 3069: $start_page 3070: $toolarge 3071: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3072: <br /> 3073: <table class="LC_data_table"> 3074: <tr> 3075: <td colspan="2"> 3076: <b>Subject:</b> <b>$subject</b><br /><br /> 3077: END 3078: if ($idx) { 3079: if ($attachmenturls) { 3080: my @currold = keys(%currattach); 3081: if (@currold > 0) { 3082: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3083: foreach my $id (@currold) { 3084: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3085: $attachurl =~ m#/([^/]+)$#; 3086: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3087: } 3088: $r->print("<br />"); 3089: } 3090: } 3091: } 3092: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3093: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3094: foreach my $attach (@{$currnewattach}) { 3095: $attach =~ m#/([^/]+)$#; 3096: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3097: } 3098: $r->print("<br />"); 3099: } 3100: $r->print(<<END); 3101: </td></tr> 3102: <tr> 3103: <td> 3104: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3105: </td> 3106: </tr> 3107: <tr> 3108: <td colspan="2">$attachmaxtext</td> 3109: </tr> 3110: </table> 3111: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3112: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3113: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3114: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3115: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3116: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3117: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3118: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3119: END 3120: foreach my $item (@{$currnewattach}) { 3121: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3122: } 3123: foreach my $item (@{$currdelold}) { 3124: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3125: } 3126: $r->print(<<END); 3127: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3128: </form> 3129: $end_page 3130: END 3131: return; 3132: } 3133: 3134: sub process_attachments { 3135: my ($currnewattach,$currdelold,$keepold) = @_; 3136: 3137: @{$currnewattach}= 3138: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3139: @{$currdelold}= 3140: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3141: if (exists($env{'form.delnewattach'})) { 3142: my @currdelnew = 3143: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3144: my @currnew = (); 3145: foreach my $newone (@{$currnewattach}) { 3146: my $delflag = 0; 3147: foreach my $item (@currdelnew) { 3148: if ($newone eq $item) { 3149: $delflag = 1; 3150: last; 3151: } 3152: } 3153: unless ($delflag) { 3154: push(@currnew, $newone); 3155: } 3156: } 3157: @{$currnewattach} = @currnew; 3158: } 3159: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3160: } 3161: 3162: sub generate_attachments_button { 3163: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3164: $numoldver,$mode,$blockblog) = @_; 3165: my $origpage = $ENV{'REQUEST_URI'}; 3166: my $att=$attachnum.' '.&mt("attachments"); 3167: my %lt = &Apache::lonlocal::texthash( 3168: 'clic' => 'Click to add/remove attachments', 3169: ); 3170: my $response = (<<END); 3171: <br /> 3172: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3173: $lt{'clic'}: <input type="button" value="$att" 3174: 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); 3175: END 3176: if (!$blockblog) { 3177: $response .= 'setblogvalue();'; 3178: } 3179: unless ($mode eq 'board') { 3180: $response .= 'javascript:anonchk();'; 3181: } 3182: $response .= (<<ENDATTACH); 3183: this.form.submit();" /> 3184: <input type="hidden" name="origpage" value="$origpage" /> 3185: <input type="hidden" name="idx" value="$idx" /> 3186: <input type="hidden" name="timestamp" value="$now" /> 3187: <input type="hidden" name="subject" /> 3188: <input type="hidden" name="comment" /> 3189: <input type="hidden" name="blog" value="0" /> 3190: <input type="hidden" name="discuss" value="0" /> 3191: <input type="hidden" name="numoldver" value="$numoldver" /> 3192: ENDATTACH 3193: if (defined($deloldattach)) { 3194: if (@{$deloldattach} > 0) { 3195: foreach my $delatt (@{$deloldattach}) { 3196: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3197: } 3198: } 3199: } 3200: if (defined($currnewattach)) { 3201: if (@{$currnewattach} > 0) { 3202: foreach my $attach (@{$currnewattach}) { 3203: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3204: } 3205: } 3206: } 3207: $response .= '</form>'; 3208: return $response; 3209: } 3210: 3211: sub extract_attachments { 3212: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3213: %{$attachments}=(); 3214: &get_post_attachments($attachments,$attachmenturls); 3215: foreach my $id (sort(keys(%{$attachments}))) { 3216: if (exists($$attachments{$id}{$numoldver})) { 3217: if (defined($currdelold)) { 3218: if (@{$currdelold} > 0) { 3219: unless (grep/^$id$/,@{$currdelold}) { 3220: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3221: } 3222: } else { 3223: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3224: } 3225: } else { 3226: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3227: } 3228: } 3229: } 3230: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3231: if (@attached == 1) { 3232: my $id = $attached[0]; 3233: my $attachurl; 3234: if ($attachmenturls =~ m/^<attachment id="0">/) { 3235: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3236: } else { 3237: $attachurl = $$attachments{$id}{'filename'}; 3238: } 3239: $attachurl=~m|/([^/]+)$|; 3240: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3241: $1.'</tt></a><br />'; 3242: &Apache::lonnet::allowuploaded('/adm/feedback', 3243: $attachurl); 3244: } elsif (@attached > 1) { 3245: $$message.='<ol>'; 3246: foreach my $attach (@attached) { 3247: my $id = $attach; 3248: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3249: my ($fname) 3250: =($attachurl=~m|/([^/]+)$|); 3251: $$message .= '<li><a href="'.$attachurl. 3252: '"><tt>'. 3253: $fname.'</tt></a></li>'; 3254: &Apache::lonnet::allowuploaded('/adm/feedback', 3255: $attachurl); 3256: } 3257: $$message .= '</ol>'; 3258: } 3259: } 3260: 3261: sub construct_attachmenturl { 3262: my ($currnewattach,$keepold,$symb,$idx)=@_; 3263: my $oldattachmenturl; 3264: my $newattachmenturl; 3265: my $startnum = 0; 3266: my $currver = 0; 3267: if (($env{'form.editdisc'}) && ($idx)) { 3268: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3269: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3270: $env{'course.'.$env{'request.course.id'}.'.num'}); 3271: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3272: if ($contrib{$idx.':history'}) { 3273: if ($contrib{$idx.':history'} =~ /:/) { 3274: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3275: $currver = 1 + scalar(@oldversions); 3276: } else { 3277: $currver = 2; 3278: } 3279: } else { 3280: $currver = 1; 3281: } 3282: if ($oldattachmenturl) { 3283: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3284: my %attachments = (); 3285: my $prevver = $currver-1; 3286: &get_post_attachments(\%attachments,$oldattachmenturl); 3287: my $numattach = scalar(keys(%attachments)); 3288: $startnum += $numattach; 3289: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3290: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3291: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3292: unless ($item eq 'filename') { 3293: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3294: } 3295: } 3296: if (grep/^$num$/,@{$keepold}) { 3297: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3298: } 3299: $newattachmenturl .= '</attachment>'; 3300: } 3301: } else { 3302: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3303: unless (grep/^0$/,@{$keepold}) { 3304: $newattachmenturl .= '<post id="1">n</post>'; 3305: } 3306: $newattachmenturl .= '</attachment>'; 3307: $startnum ++; 3308: } 3309: } 3310: } 3311: for (my $i=0; $i<@{$currnewattach}; $i++) { 3312: my $attachnum = $startnum + $i; 3313: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3314: } 3315: return $newattachmenturl; 3316: } 3317: 3318: sub add_blog_checkbox { 3319: my ($crstype) = @_; 3320: my $checkstatus; 3321: if ($env{'form.blog'}) { 3322: $checkstatus = 'checked="checked"'; 3323: } 3324: my $output = ' 3325: <script type="text/javascript"> 3326: function setblogvalue() { 3327: if (document.mailform.blog.checked) { 3328: document.attachment.blog.value = 1; 3329: } else { 3330: document.attachment.blog.value = 0; 3331: } 3332: } 3333: </script><br /> 3334: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3335: if ($crstype eq 'Community') { 3336: $output .= &mt('Add to my public community blog'); 3337: } else { 3338: $output .= &mt('Add to my public course blog'); 3339: } 3340: $output .= '</label><br />'."\n"; 3341: return $output; 3342: } 3343: 3344: sub has_discussion { 3345: my $resourcesref = shift; 3346: my $navmap = Apache::lonnavmaps::navmap->new(); 3347: if (defined($navmap)) { 3348: my @allres=$navmap->retrieveResources(); 3349: foreach my $resource (@allres) { 3350: if ($resource->hasDiscussion()) { 3351: my $ressymb = $resource->wrap_symb(); 3352: if (ref($resourcesref) eq 'ARRAY') { 3353: push(@{$resourcesref}, $ressymb); 3354: } 3355: } 3356: } 3357: } else { 3358: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3359: } 3360: return; 3361: } 3362: 3363: sub sort_filter_names { 3364: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3365: if (ref($sort_types) eq 'HASH') { 3366: %{$sort_types} = ( 3367: ascdate => 'Date order - oldest first', 3368: descdate => 'Date order - newest first', 3369: thread => 'Threaded', 3370: subject => 'By subject', 3371: username => 'By domain and username', 3372: lastfirst => 'By last name, first name' 3373: ); 3374: } 3375: my @courseroles = qw(st in ta ep ad); 3376: if ($crstype eq 'Community') { 3377: push(@courseroles,'co'); 3378: } else { 3379: push(@courseroles,'cc'); 3380: } 3381: if (ref($role_types) eq 'HASH') { 3382: foreach my $role (@courseroles) { 3383: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3384: } 3385: $role_types->{'all'} = 'All roles'; 3386: $role_types->{'cr'} = 'Custom role'; 3387: } 3388: if (ref($status_types) eq 'HASH') { 3389: %{$status_types} = ( 3390: all => 'Roles of any status', 3391: Active => 'Only active roles', 3392: Expired => 'Only past roles', 3393: Future => 'Only future roles', 3394: ); 3395: } 3396: } 3397: 3398: sub handler { 3399: my $r = shift; 3400: if ($r->header_only) { 3401: &Apache::loncommon::content_type($r,'text/html'); 3402: $r->send_http_header; 3403: return OK; 3404: } 3405: 3406: # --------------------------- Get query string for limited number of parameters 3407: 3408: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3409: ['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']); 3410: my $group = $env{'form.group'}; 3411: my %attachmax = ( 3412: text => &mt('(128 KB max size)'), 3413: num => 131072, 3414: ); 3415: if ($env{'form.editdisc'}) { 3416: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3417: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3418: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3419: my $feedurl=&Apache::lonnet::clutter($url); 3420: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3421: undef,undef,undef,$group); 3422: return OK; 3423: } 3424: } 3425: if ($env{'form.discsymb'}) { 3426: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3427: my $readkey = $symb.'_read'; 3428: my $chgcount = 0; 3429: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3430: foreach my $key (keys(%env)) { 3431: if ($key =~ m/^form\.postunread_(\d+)/) { 3432: if ($readinghash{$readkey} =~ /\.$1\./) { 3433: $readinghash{$readkey} =~ s/\.$1\.//; 3434: $chgcount ++; 3435: } 3436: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3437: unless ($readinghash{$readkey} =~ /\.$1\./) { 3438: $readinghash{$readkey} .= '.'.$1.'.'; 3439: $chgcount ++; 3440: } 3441: } 3442: } 3443: if ($chgcount > 0) { 3444: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3445: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3446: } 3447: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3448: '0','0','','',$env{'form.previous'},'','','', 3449: undef,undef,undef,$group); 3450: return OK; 3451: } 3452: if ($env{'form.allversions'}) { 3453: &Apache::loncommon::content_type($r,'text/html'); 3454: &Apache::loncommon::no_cache($r); 3455: $r->send_http_header; 3456: 3457: # Breadcrumbs 3458: my $brcrum = [{'href' => '', 3459: 'text' => 'Discussion Post Versions'}]; 3460: 3461: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef, 3462: {'bread_crumbs' => $brcrum,}) 3463: ); 3464: 3465: my $crs='/'.$env{'request.course.id'}; 3466: if ($env{'request.course.sec'}) { 3467: $crs.='_'.$env{'request.course.sec'}; 3468: } 3469: $crs=~s|_|/|g; 3470: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3471: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3472: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3473: ($symb)=&get_feedurl_and_clean_symb($symb); 3474: my $ressymb = &wrap_symb($symb); 3475: my $group = $env{'form.group'}; 3476: my $seeid; 3477: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3478: if (&check_group_priv($group,'dgp') eq 'ok') { 3479: $seeid = 1; 3480: } 3481: } else { 3482: $seeid = &Apache::lonnet::allowed('rin',$crs); 3483: } 3484: if ($idx > 0) { 3485: my %messages = (); 3486: my %subjects = (); 3487: my %attachmsgs = (); 3488: my %allattachments = (); 3489: my %imsfiles = (); 3490: my ($screenname,$plainname); 3491: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3492: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3493: $env{'course.'.$env{'request.course.id'}.'.num'}); 3494: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3495: } 3496: $r->print(&Apache::loncommon::end_page()); 3497: return OK; 3498: } 3499: if ($env{'form.posterlist'}) { 3500: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3501: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3502: $env{'form.sortposts'}); 3503: return OK; 3504: } 3505: if ($env{'form.userpick'}) { 3506: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3507: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3508: my $numpicks = @posters; 3509: my %discinfo; 3510: $discinfo{$symb.'_userpick'} = join('&',@posters); 3511: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3512: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3513: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3514: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3515: '',$numpicks,$group); 3516: return OK; 3517: } 3518: if ($env{'form.applysort'}) { 3519: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3520: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3521: '',$env{'form.previous'},$env{'form.sortposts'}, 3522: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3523: $env{'form.sectionpick'},$env{'form.grouppick'}, 3524: undef,$group); 3525: return OK; 3526: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3527: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3528: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3529: return OK; 3530: } elsif ($env{'form.navtime'}) { 3531: my %discinfo = (); 3532: my @resources = (); 3533: if (defined($env{'form.navmaps'})) { 3534: if ($env{'form.navmaps'} =~ /:/) { 3535: @resources = split(/:/,$env{'form.navmaps'}); 3536: } else { 3537: @resources = ("$env{'form.navmaps'}"); 3538: } 3539: } else { 3540: &has_discussion(\@resources); 3541: } 3542: my $numitems = @resources; 3543: my $feedurl = '/adm/navmaps'; 3544: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3545: my %lt = &Apache::lonlocal::texthash( 3546: 'mnpa' => 'Marked "New" posts as read in a total of', 3547: 'robb' => 'resources/bulletin boards.', 3548: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3549: ); 3550: foreach my $res (@resources) { 3551: my $ressymb=$res; 3552: &Apache::lonenc::check_decrypt(\$ressymb); 3553: my $lastkey = $ressymb.'_lastread'; 3554: $discinfo{$lastkey} = $env{'form.navtime'}; 3555: } 3556: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3557: if ($numitems > 0) { 3558: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3559: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3560: } else { 3561: $textline = "<b>$lt{'twnp'}</b>"; 3562: } 3563: &Apache::loncommon::content_type($r,'text/html'); 3564: $r->send_http_header; 3565: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3566: my %onload; 3567: if ($env{'environment.remote'} ne 'off') { 3568: $onload{'onload'} = 3569: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3570: } 3571: 3572: my $start_page= 3573: &Apache::loncommon::start_page('New posts marked as read',undef, 3574: {'redirect' => [2,$feedurl], 3575: 'only_body' => 1, 3576: 'add_entries' => \%onload}); 3577: my $end_page = &Apache::loncommon::end_page(); 3578: $r->print (<<ENDREDIR); 3579: $start_page 3580: <img align="right" src="$logo" /> 3581: $textline 3582: <form name="reldt" action="$feedurl" target="loncapaclient"> 3583: </form> 3584: <br /> 3585: $end_page 3586: ENDREDIR 3587: return OK; 3588: } elsif ($env{'form.modifydisp'}) { 3589: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3590: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3591: split(/_/,$env{'form.changes'}); 3592: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3593: $dispchgB,$markchg,$toggchg,$feedurl); 3594: return OK; 3595: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3596: $env{'form.allposts'} || $env{'form.onlyunread'} || 3597: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3598: $env{'form.toggon'} || $env{'form.markread'}) { 3599: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3600: my %discinfo; 3601: # ------------------------ Modify setting for read/unread toggle for each post 3602: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3603: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3604: # --------- Modify setting for identification of 'NEW' posts in this discussion 3605: if ($env{'form.markondisp'}) { 3606: $discinfo{$symb.'_lastread'} = time; 3607: $discinfo{$symb.'_markondisp'} = 1; 3608: } 3609: if ($env{'form.markonread'}) { 3610: if ( $env{'form.previous'} > 0 ) { 3611: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3612: } 3613: $discinfo{$symb.'_markondisp'} = 0; 3614: } 3615: # --------------------------------- Modify display setting for this discussion 3616: if ($env{'form.allposts'}) { 3617: $discinfo{$symb.'_showonlyunread'} = 0; 3618: $discinfo{$symb.'_showonlyunmark'} = 0; 3619: } 3620: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3621: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3622: # ----------------------------------------------------- Mark new posts not NEW 3623: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3624: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3625: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3626: my $previous=$env{'form.previous'}; 3627: if ($env{'form.markondisp'}) { $previous=undef; } 3628: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3629: '0','0','','',$previous,'','','','','','',$group); 3630: return OK; 3631: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3632: # ----------------------------------------------------------------- Hide/unhide 3633: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3634: my ($symb,$idx)=split(/\:\:\:/,$entry); 3635: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3636: 3637: my $crs='/'.$env{'request.course.id'}; 3638: if ($env{'request.course.sec'}) { 3639: $crs.='_'.$env{'request.course.sec'}; 3640: } 3641: $crs=~s/\_/\//g; 3642: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3643: 3644: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3645: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3646: undef,undef,$group,); 3647: return OK; 3648: } 3649: 3650: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3651: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3652: $env{'course.'.$env{'request.course.id'}.'.num'}); 3653: 3654: my $currenthidden=$contrib{'hidden'}; 3655: my $currentstudenthidden=$contrib{'studenthidden'}; 3656: 3657: if ($env{'form.hide'}) { 3658: $currenthidden.='.'.$idx.'.'; 3659: unless ($seeid) { 3660: $currentstudenthidden.='.'.$idx.'.'; 3661: } 3662: } else { 3663: $currenthidden=~s/\.$idx\.//g; 3664: } 3665: my %newhash=('hidden' => $currenthidden); 3666: if ( ($env{'form.hide'}) && (!$seeid) ) { 3667: $newhash{'studenthidden'} = $currentstudenthidden; 3668: } 3669: if ($env{'form.hide'}) { 3670: my $changelast = 0; 3671: my $newlast; 3672: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3673: if ($changelast) { 3674: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3675: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3676: $env{'course.'.$env{'request.course.id'}.'.num'}); 3677: } 3678: } 3679: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3680: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3681: $env{'course.'.$env{'request.course.id'}.'.num'}); 3682: 3683: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3684: '0','0','','',$env{'form.previous'},undef,undef,undef, 3685: undef,undef,undef,$group); 3686: return OK; 3687: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3688: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3689: if ($env{'form.cmd'} eq 'threadedon') { 3690: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3691: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3692: } else { 3693: &Apache::lonnet::del('environment',['threadeddiscussion']); 3694: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3695: } 3696: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3697: '0','0','','',$env{'form.previous'},undef,undef,undef, 3698: undef,undef,undef,$group); 3699: return OK; 3700: } elsif ($env{'form.deldisc'}) { 3701: # --------------------------------------------------------------- Hide for good 3702: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3703: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3704: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3705: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3706: $env{'course.'.$env{'request.course.id'}.'.num'}); 3707: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3708: if ($changelast) { 3709: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3710: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3711: } 3712: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3713: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3714: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3715: $env{'course.'.$env{'request.course.id'}.'.num'}); 3716: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3717: '0','0','','',$env{'form.previous'},undef,undef,undef, 3718: undef,undef,undef,$group); 3719: return OK; 3720: } elsif ($env{'form.preview'}) { 3721: # -------------------------------------------------------- User wants a preview 3722: &show_preview($r); 3723: return OK; 3724: } elsif ($env{'form.attach'}) { 3725: # -------------------------------------------------------- Work on attachments 3726: &Apache::loncommon::content_type($r,'text/html'); 3727: $r->send_http_header; 3728: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3729: my (@currnewattach,@currdelold,@keepold,$toolarge); 3730: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3731: if (exists($env{'form.addnewattach.filename'})) { 3732: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3733: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3734: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3735: push(@currnewattach, $newattachment); 3736: } else { 3737: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3738: } 3739: } 3740: my $attachmenturls; 3741: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3742: my $idx = $env{'form.idx'}; 3743: if ($idx) { 3744: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3745: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3746: $env{'course.'.$env{'request.course.id'}.'.num'}); 3747: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3748: } 3749: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3750: $attachmenturls,$attachmax{'text'},$toolarge); 3751: return OK; 3752: } elsif ($env{'form.export'}) { 3753: &Apache::loncommon::content_type($r,'text/html'); 3754: $r->send_http_header; 3755: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3756: my $mode='board'; 3757: my $status='OPEN'; 3758: my $previous=$env{'form.previous'}; 3759: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3760: $mode='problem'; 3761: $status=$Apache::inputtags::status[-1]; 3762: } 3763: my $discussion = &list_discussion($mode,$status,$symb); 3764: my $start_page = 3765: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3766: my $end_page = 3767: &Apache::loncommon::end_page(); 3768: $r->print($start_page.$discussion.$end_page); 3769: return OK; 3770: } else { 3771: # ------------------------------------------------------------- Normal feedback 3772: my $feedurl=$env{'form.postdata'}; 3773: $feedurl=~s/^https?\:\/\///; 3774: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3775: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3776: $feedurl=~s/\?.+$//; 3777: 3778: my $symb; 3779: if ($env{'form.replydisc'}) { 3780: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3781: } elsif ($env{'form.editdisc'}) { 3782: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3783: } elsif ($env{'form.origpage'}) { 3784: $symb=""; 3785: } else { 3786: $symb=&Apache::lonnet::symbread($feedurl); 3787: } 3788: unless ($symb) { 3789: $symb=$env{'form.symb'}; 3790: } 3791: if (defined($symb)) { 3792: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3793: } else { 3794: # backward compatibility (bulletin boards used to be 'wrapped') 3795: &Apache::lonenc::check_decrypt(\$feedurl); 3796: &dewrapper(\$feedurl); 3797: } 3798: my $goahead=1; 3799: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3800: unless ($symb) { $goahead=0; } 3801: } 3802: if (!$goahead) { 3803: # Ambiguous Problem Resource 3804: $r->internal_redirect('/adm/ambiguous'); 3805: return OK; 3806: } 3807: # Go ahead with feedback, no ambiguous reference 3808: unless ( 3809: ( 3810: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3811: ) 3812: || 3813: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3814: || 3815: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3816: ) { 3817: &Apache::loncommon::content_type($r,'text/html'); 3818: $r->send_http_header; 3819: # Unable to give feedback 3820: &Apache::lonenc::check_encrypt(\$feedurl); 3821: &no_redirect_back($r,$feedurl); 3822: return OK; 3823: } 3824: # --------------------------------------------------- Print login screen header 3825: unless ($env{'form.sendit'}) { 3826: &Apache::lonenc::check_encrypt(\$feedurl); 3827: &Apache::loncommon::content_type($r,'text/html'); 3828: $r->send_http_header; 3829: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3830: my ($blocked,$blocktext) = 3831: &Apache::loncommon::blocking_status('boards'); 3832: if ($blocked) { 3833: $r->print(&blocked_reply_or_edit($blocktext)); 3834: return OK; 3835: } 3836: } 3837: my $options=&screen_header($feedurl,$symb); 3838: if ($options) { 3839: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3840: } else { 3841: &fail_redirect($r,$feedurl); 3842: } 3843: return OK; 3844: } 3845: 3846: # Get previous user input 3847: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3848: $symb,$env{'user.name'},$env{'user.domain'}, 3849: $env{'request.course.id'}); 3850: 3851: # Get output from resource 3852: &Apache::lonenc::check_encrypt(\$feedurl); 3853: my $usersaw=&resource_output($feedurl); 3854: 3855: # Get resource answer (need to allow student to view grades for this to work) 3856: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3857: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3858: my $useranswer= 3859: &Apache::loncommon::get_student_answers( 3860: $usersymb,$env{'user.name'},$env{'user.domain'}, 3861: $env{'request.course.id'}); 3862: &Apache::lonnet::delenv('allowed.vgr'); 3863: # Get attachments, if any, and not too large 3864: my $attachmenturl=''; 3865: my $toolarge=''; 3866: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3867: ($env{'form.replydisc'})) { 3868: my ($symb,$idx); 3869: if ($env{'form.replydisc'}) { 3870: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3871: } elsif ($env{'form.editdisc'}) { 3872: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3873: } elsif ($env{'form.origpage'}) { 3874: $symb = $env{'form.symb'}; 3875: } 3876: &Apache::lonenc::check_decrypt(\$symb); 3877: my @currnewattach = (); 3878: my @deloldattach = (); 3879: my @keepold = (); 3880: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3881: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3882: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3883: } elsif ($env{'form.attachment.filename'}) { 3884: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3885: my $now = time; 3886: my $subdir = 'feedback/'.$now; 3887: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3888: } else { 3889: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3890: } 3891: } 3892: # Filter HTML out of message (could be nasty) 3893: my $message=&clear_out_html($env{'form.comment'}); 3894: 3895: # Assemble email 3896: my ($email,$citations)=&assemble_email($message,$prevattempts, 3897: $usersaw,$useranswer); 3898: 3899: # Who gets this? 3900: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3901: 3902: # Actually send mail 3903: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3904: undef,1), 3905: $feedurl,$email,$citations, 3906: $attachmenturl,$usersymb,%to); 3907: 3908: # Discussion? Store that. 3909: my $numpost=0; 3910: if ( ($env{'form.discuss'} ne '' 3911: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3912: || $env{'form.anondiscuss'} ne '') { 3913: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3914: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3915: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3916: $subject); 3917: $numpost++; 3918: } 3919: 3920: # Add to blog? 3921: 3922: my $blog=''; 3923: if ($env{'form.blog'}) { 3924: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3925: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3926: $env{'user.domain'}, 3927: 'CourseBlog_'.$env{'request.course.id'}, 3928: $subject,$message,$feedurl,'public'); 3929: if (&Apache::loncommon::course_type() eq 'Community') { 3930: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3931: } else { 3932: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3933: } 3934: } 3935: 3936: # Receipt screen and redirect back to where came from 3937: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3938: } 3939: return OK; 3940: } 3941: 3942: sub blocked_reply_or_edit { 3943: my ($blocktext) = @_; 3944: return 3945: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3946: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3947: &mt('Back to previous page'). 3948: &Apache::loncommon::end_page(); 3949: } 3950: 3951: sub wrap_symb { 3952: my ($ressymb)=@_; 3953: if ($ressymb =~ /bulletin___\d+___/) { 3954: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3955: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3956: } 3957: } 3958: return $ressymb; 3959: } 3960: sub dewrapper { 3961: my ($feedurl)=@_; 3962: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3963: $$feedurl=~s|^/adm/wrapper||; 3964: } 3965: } 3966: 3967: sub get_feedurl { 3968: my ($symb)=@_; 3969: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3970: my $feedurl = &Apache::lonnet::clutter($url); 3971: &dewrapper(\$feedurl); 3972: return $feedurl; 3973: } 3974: 3975: sub get_feedurl_and_clean_symb { 3976: my ($symb)=@_; 3977: &Apache::lonenc::check_decrypt(\$symb); 3978: # backward compatibility (bulletin boards used to be 'wrapped') 3979: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3980: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3981: } 3982: my $feedurl = &get_feedurl($symb); 3983: return ($symb,$feedurl); 3984: } 3985: 3986: sub editing_allowed { 3987: my ($postid,$group) = @_; 3988: $postid = &unescape($postid); 3989: my $can_edit = 0; 3990: if ($group ne '') { 3991: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3992: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3993: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3994: if (&check_group_priv($group,'egp') eq 'ok') { 3995: $can_edit = 1; 3996: } 3997: return $can_edit; 3998: } 3999: } 4000: my $cid = $env{'request.course.id'}; 4001: my $role = (split(/\./,$env{'request.role'}))[0]; 4002: my $section = $env{'request.course.sec'}; 4003: my $allow_editing_config = 4004: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4005: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4006: $can_edit = 1; 4007: } else { 4008: foreach my $editor (split(/,/,$allow_editing_config)) { 4009: my ($editor_role,$editor_sec) = split(/:/,$editor); 4010: if ($editor_role eq $role 4011: && defined($editor_sec) 4012: && defined($section) 4013: && $editor_sec eq $section) { 4014: $can_edit = 1; 4015: last; 4016: } 4017: if ($editor_role eq $role 4018: && !defined($editor_sec)) { 4019: $can_edit = 1; 4020: } 4021: } 4022: } 4023: return $can_edit; 4024: } 4025: 4026: sub check_group_priv { 4027: my ($group,$grp_priv) = @_; 4028: foreach my $priv ('mdg','vcg') { 4029: my $checkcourse = $env{'request.course.id'}. 4030: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4031: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4032: return 'ok'; 4033: } 4034: } 4035: if ($grp_priv && $group ne '') { 4036: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4037: return 'ok'; 4038: } 4039: } 4040: return ''; 4041: } 4042: 4043: sub group_args { 4044: my ($group) = @_; 4045: if ($group eq '') { return ''; } 4046: my $extra_args = '&group='.$group; 4047: if (exists($env{'form.ref'})) { 4048: $extra_args .= '&ref='.$env{'form.ref'}; 4049: } 4050: return $extra_args; 4051: } 4052: 4053: sub get_resource_title { 4054: my ($symb,$feedurl) = @_; 4055: my ($restitle,$plainurl); 4056: if (defined($symb)) { 4057: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4058: $restitle = &Apache::lonnet::gettitle($plain_symb); 4059: } 4060: if (defined($feedurl)) { 4061: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4062: } 4063: if (!defined($restitle)) { 4064: if (defined($feedurl)) { 4065: $restitle = &Apache::lonnet::gettitle($plainurl); 4066: } 4067: } 4068: if ($plainurl ne $feedurl) { 4069: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4070: if ($plain_filename eq $restitle) { 4071: $restitle = &mt('Untitled resource'); 4072: } 4073: } 4074: if ($restitle eq '') { 4075: $restitle = &mt('Untitled resource'); 4076: } 4077: return $restitle; 4078: } 4079: 4080: 1; 4081: __END__ 4082: 4083: 4084: =pod 4085: 4086: =head1 NAME 4087: 4088: Apache::lonfeedback.pm 4089: 4090: =head1 SYNOPSIS 4091: 4092: Handles feedback from students to instructors and system administrators. 4093: 4094: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4095: 4096: Used by lonmsg.pm. 4097: 4098: This is part of the LearningOnline Network with CAPA project 4099: described at http://www.lon-capa.org. 4100: 4101: =head1 OVERVIEW 4102: 4103: None 4104: 4105: =head1 SUBROUTINES 4106: 4107: =over 4108: 4109: =item discussion_open() 4110: 4111: =item discussion_visible() 4112: 4113: =item list_discussion() 4114: 4115: =item send_feedback_link() 4116: 4117: =item send_message_link() 4118: 4119: =item action_links_bar() 4120: 4121: =item postingform_display() 4122: 4123: =item build_posting_display 4124: 4125: =item filter_regexp() 4126: 4127: =item get_post_contents() 4128: 4129: =item replicate_attachments() 4130: 4131: =item mail_screen() 4132: 4133: =item print_display_options() 4134: 4135: =item print_sortfilter_options() 4136: 4137: =item print_showposters() 4138: 4139: =item get_post_versions() 4140: 4141: =item get_post_attachments() 4142: 4143: =item fail_redirect() 4144: 4145: =item redirect_back() 4146: 4147: =item no_redirect_back() 4148: 4149: =item screen_header() 4150: 4151: =item resource_output() 4152: 4153: =item clear_out_html() 4154: 4155: =item assemble_email() 4156: 4157: =item feedback_available() 4158: 4159: =item send_msg() 4160: 4161: =item adddiscuss() 4162: 4163: =item get_discussion_info() 4164: 4165: =item show_preview() 4166: 4167: =item newline_to_br() 4168: 4169: =item tidy_html() 4170: 4171: =item generate_preview_button() 4172: 4173: =item modify_attachments() 4174: 4175: =item process_attachments() 4176: 4177: =item generate_attachments_button() 4178: 4179: =item extract_attachments() 4180: 4181: =item construct_attachmenturl() 4182: 4183: =item add_blog_checkbox() 4184: 4185: =item has_discussion() 4186: 4187: =item sort_filter_names() 4188: 4189: =item handler() 4190: 4191: =item blocked_reply_or_edit() 4192: 4193: =item wrap_symb() 4194: 4195: =item dewrapper() 4196: 4197: =item get_feedurl() 4198: 4199: =item get_feedurl_and_clean_symb() 4200: 4201: =item editing_allowed() 4202: 4203: =item check_group_priv() 4204: 4205: =item group_args() 4206: 4207: =item get_resource_title() 4208: 4209: =back 4210: 4211: =cut