loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.306: download - view: text, annotated - select for diffs
Sat Dec 10 01:45:36 2011 UTC (12 years, 5 months ago) by www
Branches: MAIN
CVS tags: HEAD

Saving my work: Bug 2359

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.306 2011/12/10 01:45:36 www Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: #use HTML::Tidy::libXML; 45: use Apache::lonspeller(); 46: use Apache::longroup; 47: use Cwd; 48: use LONCAPA; 49: 50: sub discussion_open { 51: my ($status,$symb)=@_; 52: # Advanced roles can always discuss 53: if ($env{'request.role.adv'}) { return 1; } 54: # Get discussion closing date 55: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 56: # If it is defined and in the future, the instructor wants this discussion to be open 57: if (defined($close) && $close ne '' && $close > time) { 58: return 1; 59: } 60: # It was not explicitly open, check if the problem is available. 61: # If the problem is not available, close the discussion 62: if (defined($status) && 63: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 64: || $status eq 'OPEN')) { 65: return 0; 66: } 67: # The problem is available, but check if the instructor explictly closed discussion 68: if (defined($close) && $close ne '' && $close < time) { 69: return 0; 70: } 71: return 1; 72: } 73: 74: sub discussion_visible { 75: my ($status)=@_; 76: if (not &discussion_open($status)) { 77: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 78: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 79: if (!$env{'request.role.adv'}) { return 0; } 80: } 81: } 82: return 1; 83: } 84: 85: sub list_discussion { 86: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 87: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 88: unless ($ressymb) { return ''; } 89: $ressymb=&wrap_symb($ressymb); 90: my $outputtarget=$env{'form.grade_target'}; 91: if (defined($env{'form.export'})) { 92: if($env{'form.export'}) { 93: $outputtarget = 'export'; 94: } 95: } 96: if (defined($imsextras)) { 97: if ($$imsextras{'caller'} eq 'imsexport') { 98: $outputtarget = 'export'; 99: } 100: } 101: if (not &discussion_visible($status)) { 102: if ($mode ne 'board') { 103: &Apache::lonenc::check_encrypt(\$ressymb); 104: return '<br /><div class="LC_feedback_link">'.&send_message_link($ressymb)."</div>"; 105: } 106: } 107: if ($group ne '' && $mode eq 'board') { 108: if (&check_group_priv($group,'vgb') ne 'ok') { 109: return ''; 110: } 111: } 112: 113: my ($blocked,$blocktext) = 114: &Apache::loncommon::blocking_status('boards'); 115: if ($blocked) { 116: $blocktext = '<br /><div class="LC_feedback_link"><span class="LC_feedback_link">'.$blocktext."</span>"; 117: &Apache::lonenc::check_encrypt(\$ressymb); 118: if ($mode ne 'board') { 119: $blocktext.=&send_message_link($ressymb).'</div>'; 120: }else{ 121: $blocktext.="</div>"; 122: } 123: return $blocktext; 124: } 125: 126: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 127: my $discussiononly=0; 128: if ($mode eq 'board') { $discussiononly=1; } 129: unless ($env{'request.course.id'}) { return ''; } 130: my $crs='/'.$env{'request.course.id'}; 131: my $cid=$env{'request.course.id'}; 132: if ($env{'request.course.sec'}) { 133: $crs.='_'.$env{'request.course.sec'}; 134: } 135: $crs=~s/\_/\//g; 136: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 137: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 138: && ($ressymb=~/$LONCAPA::assess_re/)); 139: 140: my %usernamesort = (); 141: my %namesort =(); 142: my %subjectsort = (); 143: 144: # Get discussion display settings for this discussion 145: my $lastkey = $ressymb.'_lastread'; 146: my $showkey = $ressymb.'_showonlyunread'; 147: my $markkey = $ressymb.'_showonlyunmark', 148: my $visitkey = $ressymb.'_visit'; 149: my $ondispkey = $ressymb.'_markondisp'; 150: my $userpickkey = $ressymb.'_userpick'; 151: my $toggkey = $ressymb.'_readtoggle'; 152: my $readkey = $ressymb.'_read'; 153: $ressymb=$encsymb; 154: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 155: my %discinfo = (); 156: my $showonlyunread = 0; 157: my $showunmark = 0; 158: my $markondisp = 0; 159: my $prevread = 0; 160: my $previous = 0; 161: my $visit = 0; 162: my $newpostsflag = 0; 163: my @posters = split(/\&/,$dischash{$userpickkey}); 164: 165: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 166: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 167: my $sortposts = $env{'form.sortposts'}; 168: my $statusfilter = $env{'form.statusfilter'}; 169: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 170: my @grouppick = split(/,/,$env{'form.grouppick'}); 171: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 172: 173: my $totposters = $env{'form.totposters'}; 174: $previous = $env{'form.previous'}; 175: if ($previous > 0) { 176: $prevread = $previous; 177: } elsif (defined($dischash{$lastkey})) { 178: unless ($dischash{$lastkey} eq '') { 179: $prevread = $dischash{$lastkey}; 180: } 181: } 182: 183: my $cdom = $env{'course.'.$cid.'.domain'}; 184: my $cnum = $env{'course.'.$cid.'.num'}; 185: my $crstype = &Apache::loncommon::course_type(); 186: 187: # Get information about students and non-students in course for filtering display of posts 188: my %roleshash = (); 189: my %roleinfo = (); 190: my ($classgroups,$studentgroups); 191: if ($env{'form.rolefilter'}) { 192: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 193: foreach my $rolekey (keys(%roleshash)) { 194: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 195: if ($role =~ /^cr/) { 196: $role = 'cr'; 197: } 198: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 199: my $now = time; 200: my $status = 'Active'; 201: if (($now < $start) || ($end > 0 && $now > $end)) { 202: $status = 'Expired'; 203: } 204: if ($uname && $udom) { 205: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 206: } 207: } 208: my ($classlist,$keylist) = 209: &Apache::loncoursedata::get_classlist($cdom,$cnum); 210: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 211: my $status_index = &Apache::loncoursedata::CL_STATUS(); 212: while (my ($student,$data) = each %$classlist) { 213: my ($section,$status) = ($data->[$sec_index], 214: $data->[$status_index]); 215: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 216: } 217: ($classgroups,$studentgroups) = 218: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 219: $cdom,$cnum); 220: } 221: 222: # Get discussion display default settings for user 223: if ($env{'environment.discdisplay'} eq 'unread') { 224: $showonlyunread = 1; 225: } 226: if ($env{'environment.discmarkread'} eq 'ondisp') { 227: $markondisp = 1; 228: } 229: 230: # Override user's default if user specified display setting for this discussion 231: if (defined($dischash{$ondispkey})) { 232: unless ($dischash{$ondispkey} eq '') { 233: $markondisp = $dischash{$ondispkey}; 234: } 235: } 236: if ($markondisp) { 237: $discinfo{$lastkey} = time; 238: } 239: 240: if (defined($dischash{$showkey})) { 241: unless ($dischash{$showkey} eq '') { 242: $showonlyunread = $dischash{$showkey}; 243: } 244: } 245: 246: if (defined($dischash{$markkey})) { 247: unless ($dischash{$markkey} eq '') { 248: $showunmark = $dischash{$markkey}; 249: } 250: } 251: 252: if (defined($dischash{$visitkey})) { 253: unless ($dischash{$visitkey} eq '') { 254: $visit = $dischash{$visitkey}; 255: } 256: } 257: $visit ++; 258: 259: my $seeid; 260: if (($group ne '') && ($mode eq 'board') && 261: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 262: if (&check_group_priv($group,'dgp') eq 'ok') { 263: $seeid = 1; 264: } 265: } else { 266: $seeid=&Apache::lonnet::allowed('rin',$crs); 267: } 268: my @discussionitems=(); 269: my %shown = (); 270: my @posteridentity=(); 271: 272: my $current=0; 273: my $visible=0; 274: my @depth=(); 275: my @replies = (); 276: my %alldiscussion=(); 277: my %imsitems=(); 278: my %imsfiles=(); 279: my %notshown = (); 280: my %newitem = (); 281: my $maxdepth=0; 282: my %anonhash=(); 283: my $anoncnt=0; 284: 285: my $now = time; 286: $discinfo{$visitkey} = $visit; 287: 288: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 289: &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,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 290: 291: my $discussion=''; 292: my $manifestfile; 293: my $manifestok=0; 294: my $tempexport; 295: my $imsresources; 296: my $copyresult; 297: 298: my $function = &Apache::loncommon::get_users_function(); 299: my $color = &Apache::loncommon::designparm($function.'.tabbg', 300: $env{'user.domain'}); 301: my %lt = &Apache::lonlocal::texthash( 302: 'cuse' => 'Current discussion settings', 303: 'allposts' => 'All posts', 304: 'unread' => 'New posts only', 305: 'unmark' => 'Unread only', 306: 'ondisp' => 'Once displayed', 307: 'onmark' => 'Once marked not NEW', 308: 'toggoff' => 'Off', 309: 'toggon' => 'On', 310: 'disa' => 'Posts to be displayed', 311: 'npce' => 'Posts cease to be marked "NEW"', 312: 'epcb' => 'Each post can be toggled read/unread', 313: 'chgt' => 'Change', 314: 'disp' => 'Display', 315: 'nolo' => 'Not new', 316: 'togg' => 'Toggle read/unread', 317: 'aner' => 'An error occurred opening the manifest file.', 318: 'difo' => 'Discussion for', 319: 'aerr' => 'An error occurred opening the export file for posting', 320: 'aysu' => 'Are you sure you want to delete this post?', 321: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 322: 'bwco' => 'but will continue to be visible to your instructor', 323: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 324: 'discussions' => 'DISCUSSIONS' 325: ); 326: 327: my $currdisp = $lt{'allposts'}; 328: my $currmark = $lt{'onmark'}; 329: my $currtogg = $lt{'toggoff'}; 330: my $dispchange = $lt{'unread'}; 331: my $markchange = $lt{'ondisp'}; 332: my $toggchange = $lt{'toggon'}; 333: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 334: my $displinkA = 'onlyunread'; 335: my $displinkB = 'onlyunmark'; 336: my $marklink = 'markondisp'; 337: my $togglink = 'toggon'; 338: 339: if ($markondisp) { 340: $currmark = $lt{'ondisp'}; 341: $markchange = $lt{'onmark'}; 342: $marklink = 'markonread'; 343: } 344: 345: if ($showonlyunread) { 346: $currdisp = $lt{'unread'}; 347: $dispchange = $lt{'allposts'}; 348: $displinkA = 'allposts'; 349: } 350: 351: if ($showunmark) { 352: $currdisp = $lt{'unmark'}; 353: $dispchange = $lt{'unmark'}; 354: $displinkA='allposts'; 355: $displinkB='onlyunread'; 356: $showonlyunread = 0; 357: } 358: 359: if ($dischash{$toggkey}) { 360: $currtogg = $lt{'toggon'}; 361: $toggchange = $lt{'toggoff'}; 362: $togglink = 'toggoff'; 363: } 364: 365: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 366: 367: if ($newpostsflag) { 368: $chglink .= '&previous='.$prevread; 369: } 370: $chglink.=&group_args($group); 371: 372: if ($visible) { 373: # Print the discusssion 374: if ($outputtarget eq 'tex') { 375: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 376: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 377: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 378: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 379: } elsif ($outputtarget eq 'export') { 380: # Create temporary directory if this is an export 381: my $now = time; 382: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 383: $tempexport = $$imsextras{'tempexport'}; 384: if (!-e $tempexport) { 385: mkdir($tempexport,0700); 386: } 387: $tempexport .= '/'.$$imsextras{'count'}; 388: if (!-e $tempexport) { 389: mkdir($tempexport,0700); 390: } 391: } else { 392: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: $tempexport .= '/'.$now; 397: if (!-e $tempexport) { 398: mkdir($tempexport,0700); 399: } 400: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 401: } 402: if (!-e $tempexport) { 403: mkdir($tempexport,0700); 404: } 405: # open manifest file 406: my $manifest = '/imsmanifest.xml'; 407: my $manifestfilename = $tempexport.$manifest; 408: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 409: $manifestok=1; 410: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 411: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 412: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 413: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 414: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 415: <organizations default="$ressymb"> 416: <organization identifier="$ressymb"> 417: <title>$lt{'difo'} $ressymb</title>\n|; 418: } else { 419: $discussion .= $lt{'aner'}.'<br />'; 420: } 421: } else { 422: my $colspan=$maxdepth+1; 423: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 424: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 425: var symbparm = symb+':::'+idx 426: var prevparm = "" 427: if (newflag == 1) { 428: prevparm = "&previous="+previous 429: } 430: if (caller == 'studentdelete') { 431: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 432: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 433: } 434: } else { 435: if (caller == 'seeiddelete') { 436: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 437: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 438: } 439: } 440: } 441: } 442: |); 443: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 444: "\n".'<table class="LC_discussion">'; 445: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 446: $newpostsflag,$group, 447: $prevread,$markondisp); 448: my $escsymb=&escape($ressymb); 449: my $numhidden = keys(%notshown); 450: if ($numhidden > 0) { 451: my $colspan = $maxdepth+1; 452: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 453: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 454: if ($newpostsflag) { 455: $discussion .= '&previous='.$prevread; 456: } 457: $discussion .= &group_args($group); 458: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 459: $numhidden.' '; 460: if ($showunmark) { 461: $discussion .= &mt('posts previously marked read'); 462: } else { 463: $discussion .= &mt('previously viewed posts'); 464: } 465: $discussion .= '<br/></td></tr>'; 466: } 467: } 468: 469: # Choose sort mechanism 470: my @showposts = (); 471: if ($sortposts eq 'descdate') { 472: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 473: } elsif ($sortposts eq 'thread') { 474: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 475: } elsif ($sortposts eq 'subject') { 476: foreach my $key (sort(keys(%subjectsort))) { 477: push(@showposts, @{$subjectsort{$key}}); 478: } 479: } elsif ($sortposts eq 'username') { 480: foreach my $domain (sort(keys(%usernamesort))) { 481: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 482: push(@showposts, @{$usernamesort{$domain}{$key}}); 483: } 484: } 485: } elsif ($sortposts eq 'lastfirst') { 486: foreach my $last (sort(keys(%namesort))) { 487: foreach my $key (sort(keys(%{$namesort{$last}}))) { 488: push(@showposts, @{$namesort{$last}{$key}}); 489: } 490: } 491: } else { 492: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 493: } 494: my $currdepth = 0; 495: my $firstidx = $alldiscussion{$showposts[0]}; 496: foreach my $post (@showposts) { 497: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 498: $alldiscussion{$post} = $post; 499: } 500: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 501: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 502: $discussion.="\n<tr>"; 503: } 504: my $thisdepth=$depth[$alldiscussion{$post}]; 505: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 506: for (1..$thisdepth) { 507: $discussion.='<td>   </td>'; 508: } 509: } 510: my $colspan=$maxdepth-$thisdepth+1; 511: if ($outputtarget eq 'tex') { 512: #cleanup block 513: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 514: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 515: my $threadinsert=''; 516: if ($thisdepth > 0) { 517: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 518: } 519: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 520: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 521: 522: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 523: $discussion.=$discussionitems[$alldiscussion{$post}]; 524: } elsif ($outputtarget eq 'export') { 525: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 526: if ($manifestok) { 527: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 528: print $manifestfile ' </item>'."\n"; 529: } 530: $currdepth = $depth[$alldiscussion{$post}]; 531: print $manifestfile "\n". 532: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 533: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 534: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 535: $imsresources .= "\n". 536: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 537: '<file href="'.$postfilename.'">'."\n". 538: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 539: '</resource>'; 540: } 541: my $postingfile; 542: my $postingfilename = $tempexport.'/'.$postfilename; 543: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 544: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 545: $imsitems{$alldiscussion{$post}}{'title'}.' '. 546: $imsitems{$alldiscussion{$post}}{'sender'}. 547: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 548: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 549: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 550: close($postingfile); 551: } else { 552: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 553: } 554: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 555: } else { 556: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 557: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 558: '</td></tr>'; 559: } 560: } 561: } 562: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 563: my $colspan=$maxdepth+1; 564: $discussion .= <<END; 565: <tr bgcolor="#FFFFFF"> 566: <td colspan="$colspan" class="LC_disc_action_links_bar"> 567: <table class="LC_disc_action_table"> 568: <tr> 569: <td align="left"> 570: <table border="0" cellpadding="0" cellspacing="4"> 571: <tr> 572: <td> 573: <font size="-1"><b>$lt{'cuse'}</b>:</font></td> 574: <td> </td> 575: <td><font size="-1"> 576: END 577: if ($newpostsflag) { 578: $discussion .= 579: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 580: if ($dischash{$toggkey}) { 581: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 582: } 583: } else { 584: if ($dischash{$toggkey}) { 585: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 586: } else { 587: $discussion .= 588: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 589: } 590: } 591: $discussion .= <<END; 592: </font></td> 593: <td> </td> 594: <td align="left"> 595: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</b></font> 596: </td> 597: </tr> 598: </table> 599: </td> 600: END 601: if ($sortposts) { 602: my %sort_types = (); 603: my %role_types = (); 604: my %status_types = (); 605: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 606: 607: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 608: if (defined($env{'form.totposters'})) { 609: $discussion .= &mt('Posts by').':'; 610: if ($totposters > 0) { 611: foreach my $poster (@posters) { 612: $discussion .= ' '.$poster.','; 613: } 614: $discussion =~ s/,$//; 615: } else { 616: $discussion .= &mt('None selected'); 617: } 618: } else { 619: my $filterchoice =''; 620: if (@sectionpick > 0) { 621: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 622: $filterchoice .= '    '; 623: } 624: if (@grouppick > 0) { 625: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 626: $filterchoice .= '    '; 627: } 628: if (@rolefilter > 0) { 629: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 630: foreach my $role (@rolefilter) { 631: $filterchoice .= ' '.$role_types{$role}.','; 632: } 633: $filterchoice =~ s/,$//; 634: $filterchoice .= '<br />'.(' ' x8); 635: } 636: if ($statusfilter) { 637: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 638: } 639: if ($filterchoice) { 640: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 641: } 642: $discussion .= '</font></td>'; 643: } 644: } 645: if ($dischash{$toggkey}) { 646: my $storebutton = &mt('Save read/unread changes'); 647: $discussion.='<td align="right">'. 648: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 649: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 650: ' onclick="this.form.submit();" />'."\n". 651: '</td>'; 652: } 653: $discussion .= (<<END); 654: </tr> 655: </table> 656: </td> 657: </tr> 658: END 659: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 660: $newpostsflag,$group, 661: $prevread,$markondisp); 662: $discussion .= " 663: </table> 664: <br /><br /></form>\n"; 665: } 666: if ($outputtarget eq 'export') { 667: if ($manifestok) { 668: while ($currdepth > 0) { 669: print $manifestfile " </item>\n"; 670: $currdepth --; 671: } 672: print $manifestfile qq| 673: </organization> 674: </organizations> 675: <resources> 676: $imsresources 677: </resources> 678: </manifest> 679: |; 680: close($manifestfile); 681: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 682: $discussion = $copyresult; 683: } else { 684: 685: #Create zip file in prtspool 686: 687: my $imszipfile = '/prtspool/'. 688: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 689: time.'_'.rand(1000000000).'.zip'; 690: my $cwd = &getcwd(); 691: my $imszip = '/home/httpd/'.$imszipfile; 692: chdir $tempexport; 693: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 694: close(OUTPUT); 695: chdir $cwd; 696: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 697: if ($copyresult) { 698: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 699: } 700: } 701: } else { 702: $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 />'; 703: } 704: return $discussion; 705: } 706: } 707: if ($discussiononly) { 708: my $now = time; 709: my $attachnum = 0; 710: my $currnewattach = []; 711: my $currdelold = []; 712: my $comment = ''; 713: my $subject = ''; 714: if ($env{'form.origpage'}) { 715: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 716: $subject = &unescape($env{'form.subject'}); 717: $comment = &unescape($env{'form.comment'}); 718: my @keepold = (); 719: &process_attachments($currnewattach,$currdelold,\@keepold); 720: if (@{$currnewattach} > 0) { 721: $attachnum += @{$currnewattach}; 722: } 723: } 724: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 725: if (($group ne '') && ($mode eq 'board')) { 726: if ((&check_group_priv($group,'pgd') eq 'ok') && 727: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 728: $discussion .= 729: &postingform_display($mode,$ressymb,$now,$subject, 730: $comment,$outputtarget,$attachnum, 731: $currnewattach,$currdelold, 732: $group,$crstype); 733: } 734: } else { 735: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 736: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 737: 738: $discussion.= 739: &postingform_display($mode,$ressymb,$now,$subject, 740: $comment,$outputtarget,$attachnum, 741: $currnewattach,$currdelold,'',$crstype); 742: } else { 743: $discussion.= '<span class="LC_feedback_link">'. 744: &mt('This discussion is closed.').'</span>'; 745: } 746: } 747: } 748: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 749: $discussion.= '<span class="LC_feedback_link">'. 750: &mt('This discussion is closed.').'</span>'; 751: } 752: } elsif ($outputtarget ne 'tex') { 753: $discussion.='<div class="LC_feedback_link">'; 754: if (&discussion_open($status) && 755: &Apache::lonnet::allowed('pch', 756: $env{'request.course.id'}. 757: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 758: $discussion.= &send_feedback_link($ressymb); 759: if ($env{'request.role.adv'}) { 760: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 761: if (defined($close) && $close ne '' && $close < time) { 762: $discussion .= ' '.&mt('(Closed for [_1] roles)', 763: &Apache::lonnet::plaintext('st',$crstype)); 764: } 765: } 766: } else { 767: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 768: } 769: $discussion.= &send_message_link($ressymb).'</div>'; 770: } 771: return $discussion; 772: } 773: 774: sub send_feedback_link { 775: my ($ressymb) = @_; 776: my $output = '<span class="LC_feedback_link">'. 777: &Apache::loncommon::modal_link( 778: '/adm/feedback?inhibitmenu=yes&modal=yes&replydisc='.&escape($ressymb).':::', 779: '<img alt="" class="LC_noBorder" src="'. 780: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 781: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>', 782: 600,400). 783: '</span>'; 784: return $output; 785: } 786: 787: sub send_message_link { 788: my ($ressymb) = @_; 789: my $output = '<span class="LC_message_link">'. 790: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 791: &escape($ressymb).'"><img alt="" class="LC_noBorder" src="'. 792: &Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png'). 793: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Send Feedback').'</span></a></span>'; 794: return $output; 795: } 796: 797: sub action_links_bar { 798: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 799: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 800: '<table width="100%" class="LC_disc_action_table"><tr>'. 801: '<td class="LC_disc_action_left">'; 802: my $escsymb=&escape($ressymb); 803: if ($visible) { 804: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 805: if ($newpostsflag) { 806: $discussion .= '&previous='.$prevread; 807: } 808: $discussion .= &group_args($group); 809: $discussion .='">'.&mt('Threaded View').'</a>  '. 810: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 811: if ($newpostsflag) { 812: $discussion .= '&previous='.$prevread; 813: } 814: $discussion .= &group_args($group); 815: $discussion .='">'.&mt('Chronological View').'</a>   816: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 817: if ($newpostsflag) { 818: $discussion .= '&previous='.$prevread; 819: } 820: $discussion .= &group_args($group); 821: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 822: } 823: $discussion .='<a href="/adm/feedback?export='.$escsymb; 824: if ($newpostsflag) { 825: $discussion .= '&previous='.$prevread; 826: } 827: $discussion .= &group_args($group); 828: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 829: if ($newpostsflag) { 830: if (!$markondisp) { 831: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 832: $discussion .= &group_args($group); 833: $discussion .= '">'. 834: &mt('Preferences on what is marked as NEW'). 835: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 836: $discussion .= &group_args($group); 837: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 838: } else { 839: $discussion .= '<td> </td>'; 840: } 841: } else { 842: $discussion .= '<td> </td>'; 843: } 844: $discussion .= '</tr></table></td></tr>'; 845: return $discussion; 846: } 847: 848: sub postingform_display { 849: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 850: $currnewattach,$currdelold,$group,$crstype) = @_; 851: my $newattachmsg; 852: my %lt = &Apache::lonlocal::texthash( 853: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 854: 'title' => 'Title', 855: 'podi' => 'Post Discussion', 856: 'poan' => 'Post Anonymous Discussion', 857: 'newa' => 'New attachments', 858: ); 859: if ($crstype eq 'Community') { 860: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 861: } 862: my ($postingform,$textareaclass); 863: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 864: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 865: $textareaclass = 'class="LC_richDefaultOff"'; 866: if ($env{'request.course.id'}) { 867: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 868: undef($textareaclass); 869: } 870: } 871: } 872: $postingform .= (<<ENDDISCUSS); 873: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 874: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 875: <input type="hidden" name="sendit" value="true" /> 876: <input type="hidden" name="timestamp" value="$now" /> 877: <br /><a name="newpost"></a> 878: <font size="1">$lt{'note'}</font><br /> 879: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 880: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 881: ENDDISCUSS 882: if ($env{'form.origpage'}) { 883: $postingform .= '<input type="hidden" name="origpage" value="'. 884: $env{'form.origpage'}.'" />'."\n"; 885: foreach my $att (@{$currnewattach}) { 886: $postingform .= '<input type="hidden" name="currnewattach" '. 887: 'value="'.$att.'" />'."\n"; 888: } 889: } 890: if (exists($env{'form.ref'})) { 891: $postingform .= '<input type="hidden" name="ref" value="'. 892: $env{'form.ref'}.'" />'; 893: } 894: if ($group ne '') { 895: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 896: } 897: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 898: if (!$blockblog) { 899: $postingform .= &add_blog_checkbox($crstype); 900: } 901: $postingform .= "</form>\n"; 902: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 903: $now,$currnewattach, 904: $currdelold,'',$mode, 905: $blockblog); 906: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 907: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 908: if (@{$currnewattach} > 1) { 909: $newattachmsg .= '<ol>'; 910: foreach my $item (@{$currnewattach}) { 911: $item =~ m#.*/([^/]+)$#; 912: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 913: } 914: $newattachmsg .= '</ol>'."\n"; 915: } else { 916: $$currnewattach[0] =~ m#.*/([^/]+)$#; 917: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 918: } 919: } 920: $postingform .= $newattachmsg; 921: $postingform .= &generate_preview_button(); 922: return $postingform; 923: } 924: 925: sub build_posting_display { 926: 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,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 927: my @original=(); 928: my @index=(); 929: my $skip_group_check = 0; 930: my $symb=&Apache::lonenc::check_decrypt($ressymb); 931: my $escsymb=&escape($ressymb); 932: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 933: $env{'course.'.$env{'request.course.id'}.'.domain'}, 934: $env{'course.'.$env{'request.course.id'}.'.num'}); 935: 936: my $see_anonymous = 937: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 938: 939: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 940: $skip_group_check = 1; 941: } 942: my (%deletions,%hiddens); 943: if ($contrib{'deleted'}) { 944: my $deleted = $contrib{'deleted'}; 945: $deleted =~ s/^\.//; 946: $deleted =~ s/\.$//; 947: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 948: } 949: if ($contrib{'hidden'}) { 950: my $hidden = $contrib{'hidden'}; 951: $hidden =~ s/^\.//; 952: $hidden =~ s/\.$//; 953: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 954: } 955: if ($contrib{'version'}) { 956: my $oldest = $contrib{'1:timestamp'}; 957: if ($prevread eq '0') { 958: $prevread = $oldest-1; 959: } 960: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 961: if ($sortposts) { 962: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 963: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 964: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 965: } 966: for (my $id=1;$id<=$contrib{'version'};$id++) { 967: my $idx=$id; 968: next if ($contrib{$idx.':deleted'}); 969: next if ($contrib{$idx.':hidden'}); 970: my $posttime = $contrib{$idx.':timestamp'}; 971: if ($prevread <= $posttime) { 972: $$newpostsflag = 1; 973: } 974: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 975: my $origindex='0.'; 976: my $numoldver=0; 977: if ($contrib{$idx.':replyto'}) { 978: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 979: # this is a follow-up message 980: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 981: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 982: $origindex=$index[$contrib{$idx.':replyto'}]; 983: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 984: } else { 985: $original[$idx]=0; 986: $$depth[$idx]=0; 987: } 988: } else { 989: # this is an original message 990: $original[$idx]=0; 991: $$depth[$idx]=0; 992: } 993: if ($$replies[$$depth[$idx]]) { 994: $$replies[$$depth[$idx]]++; 995: } else { 996: $$replies[$$depth[$idx]]=1; 997: } 998: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 999: $$visible++; 1000: if ($contrib{$idx.':history'}) { 1001: if ($contrib{$idx.':history'} =~ /:/) { 1002: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1003: $numoldver = @oldversions; 1004: } else { 1005: $numoldver = 1; 1006: } 1007: } 1008: $$current = $numoldver; 1009: my %messages = (); 1010: my %subjects = (); 1011: my %attachtxt = (); 1012: my %allattachments = (); 1013: my ($screenname,$plainname); 1014: my $sender = &mt('Anonymous'); 1015: # Anonymous users getting number within a discussion 1016: # Since idx is in static order, this should give the same sequence every time. 1017: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1018: unless ($$anonhash{$key}) { 1019: $anoncnt++; 1020: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1021: } 1022: my ($message,$subject,$vgrlink,$ctlink); 1023: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1024: 1025: 1026: # Set up for sorting by subject 1027: unless ($outputtarget eq 'export') { 1028: $message=$messages{$numoldver}; 1029: $message.=$attachtxt{$numoldver}; 1030: $subject=$subjects{$numoldver}; 1031: if ($message) { 1032: if ($hiddens{$idx}) { 1033: $message='<font color="#888888">'.$message.'</font>'; 1034: if ($studenthidden) { 1035: $message .='<br /><br />Deleted by poster (student).'; 1036: } 1037: } 1038: 1039: if ($subject eq '') { 1040: if (defined($$subjectsort{'__No subject'})) { 1041: push(@{$$subjectsort{'__No subject'}}, $idx); 1042: } else { 1043: @{$$subjectsort{'__No subject'}} = ("$idx"); 1044: } 1045: } else { 1046: if (defined($$subjectsort{$subject})) { 1047: push(@{$$subjectsort{$subject}}, $idx); 1048: } else { 1049: @{$$subjectsort{$subject}} = ("$idx"); 1050: } 1051: } 1052: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1053: $sender=&Apache::loncommon::aboutmewrapper( 1054: $plainname, 1055: $contrib{$idx.':sendername'}, 1056: $contrib{$idx.':senderdomain'}).' ('. 1057: $contrib{$idx.':sendername'}.':'. 1058: $contrib{$idx.':senderdomain'}.')'; 1059: $sender = '<b>'.$sender.'</b>'; 1060: if ($contrib{$idx.':anonymous'}) { 1061: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1062: $screenname; 1063: } 1064: if ($see_anonymous) { 1065: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1066: } 1067: # Set up for sorting by domain, then username 1068: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1069: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1070: } 1071: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1072: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1073: } else { 1074: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1075: } 1076: # Set up for sorting by last name, then first name 1077: my %names = &Apache::lonnet::get('environment', 1078: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1079: ,$contrib{$idx.':sendername'}); 1080: my $lastname = $names{'lastname'}; 1081: my $firstname = $names{'firstname'}; 1082: if ($lastname eq '') { 1083: $lastname = '_'; 1084: } 1085: if ($firstname eq '') { 1086: $firstname = '_'; 1087: } 1088: unless (defined($$namesort{$lastname})) { 1089: %{$$namesort{$lastname}} = (); 1090: } 1091: if (defined($$namesort{$lastname}{$firstname})) { 1092: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1093: } else { 1094: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1095: } 1096: if ($outputtarget ne 'tex') { 1097: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1098: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1099: $sender.=' <a href="/adm/feedback?editdisc='. 1100: $escsymb.':::'.$idx; 1101: if ($$newpostsflag) { 1102: $sender .= '&previous='.$prevread; 1103: } 1104: $sender .= &group_args($group); 1105: $sender .= '">'.&mt('Edit').'</a>'; 1106: 1107: unless ($seeid) { 1108: my $grpargs = &group_args($group); 1109: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1110: $sender .= '">'.&mt('Delete').'</a>'; 1111: } 1112: } 1113: } 1114: if ($seeid) { 1115: if ($hiddens{$idx}) { 1116: unless ($studenthidden) { 1117: $sender.=' <a href="/adm/feedback?unhide='. 1118: $escsymb.':::'.$idx; 1119: if ($$newpostsflag) { 1120: $sender .= '&previous='.$prevread; 1121: } 1122: $sender .= '">'.&mt('Make Visible').'</a>'; 1123: } 1124: } else { 1125: $sender.=' <a href="/adm/feedback?hide='. 1126: $escsymb.':::'.$idx; 1127: if ($$newpostsflag) { 1128: $sender .= '&previous='.$prevread; 1129: } 1130: $sender .= &group_args($group); 1131: $sender .= '">'.&mt('Hide').'</a>'; 1132: } 1133: my $grpargs = &group_args($group); 1134: $sender.= 1135: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1136: $sender .= &mt('Delete').'</a>'; 1137: } 1138: } 1139: } else { 1140: if ($screenname) { 1141: $sender='<i>'.$screenname.'</i>'; 1142: } else { 1143: $sender='<i>'.$$anonhash{$key}.'</i>'; 1144: } 1145: $sender = '<b>'.$sender.'</b>'; 1146: # Set up for sorting by domain, then username for anonymous 1147: unless (defined($$usernamesort{'__anon'})) { 1148: %{$$usernamesort{'__anon'}} = (); 1149: } 1150: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1151: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1152: } else { 1153: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1154: } 1155: # Set up for sorting by last name, then first name for anonymous 1156: unless (defined($$namesort{'__anon'})) { 1157: %{$$namesort{'__anon'}} = (); 1158: } 1159: if (defined($$namesort{'__anon'}{'__anon'})) { 1160: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1161: } else { 1162: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1163: } 1164: } 1165: if ($outputtarget ne 'tex') { 1166: if (&discussion_open($status)) { 1167: if (($group ne '') && 1168: (&check_group_priv($group,'pgd') eq 'ok')) { 1169: $sender.=' <a href="/adm/feedback?replydisc='. 1170: $escsymb.':::'.$idx; 1171: if ($$newpostsflag) { 1172: $sender .= '&previous='.$prevread; 1173: } 1174: $sender .= &group_args($group); 1175: $sender .= '">'.&mt('Reply').'</a>'; 1176: } elsif (&Apache::lonnet::allowed('pch', 1177: $env{'request.course.id'}. 1178: ($env{'request.course.sec'}?'/'. 1179: $env{'request.course.sec'}:''))) { 1180: $sender.=' <a href="/adm/feedback?replydisc='. 1181: $escsymb.':::'.$idx; 1182: if ($$newpostsflag) { 1183: $sender .= '&previous='.$prevread; 1184: } 1185: $sender .= '">'.&mt('Reply').'</a>'; 1186: } 1187: } 1188: if ($viewgrades) { 1189: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1190: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1191: } 1192: if ($$dischash{$readkey}=~/\.$idx\./) { 1193: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1194: } else { 1195: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1196: } 1197: } 1198: } 1199: #figure out at what position this needs to print 1200: } 1201: if ($outputtarget eq 'export' || $message) { 1202: my $thisindex=$idx; 1203: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1204: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1205: } 1206: $$alldiscussion{$thisindex}=$idx; 1207: $$shown{$idx} = 0; 1208: $index[$idx]=$thisindex; 1209: } 1210: if ($outputtarget eq 'export') { 1211: %{$$imsitems{$idx}} = (); 1212: $$imsitems{$idx}{'isvisible'}='true'; 1213: if ($hiddens{$idx}) { 1214: $$imsitems{$idx}{'isvisible'}='false'; 1215: } 1216: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1217: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1218: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1219: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1220: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1221: $contrib{$idx.':sendername'}.':'. 1222: $contrib{$idx.':senderdomain'}.')'; 1223: $$imsitems{$idx}{'isanonymous'}='false'; 1224: if ($contrib{$idx.':anonymous'}) { 1225: $$imsitems{$idx}{'isanonymous'}='true'; 1226: } 1227: $$imsitems{$idx}{'currversion'}=$numoldver; 1228: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1229: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1230: $$shown{$idx} = 1; 1231: } 1232: } else { 1233: if ($message) { 1234: my $spansize = 2; 1235: if ($showonlyunread && $prevread > $posttime) { 1236: $$notshown{$idx} = 1; 1237: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1238: $$notshown{$idx} = 1; 1239: } else { 1240: # apply filters 1241: my $uname = $contrib{$idx.':sendername'}; 1242: my $udom = $contrib{$idx.':senderdomain'}; 1243: my $poster = $uname.':'.$udom; 1244: if ($env{'form.totposters'} ne '') { 1245: if ($totposters == 0) { 1246: $$shown{$idx} = 0; 1247: } elsif ($totposters > 0) { 1248: if (grep/^$poster$/,@{$posters}) { 1249: $$shown{$idx} = 1; 1250: } 1251: } 1252: } elsif ($sortposts) { 1253: if ($skiptest) { 1254: $$shown{$idx} = 1; 1255: } else { 1256: foreach my $role (@{$$roleinfo{$poster}}) { 1257: if ($role =~ /^cc:/) { 1258: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1259: if ($role =~ /$cc_regexp/) { 1260: $$shown{$idx} = 1; 1261: last; 1262: } 1263: } elsif ($role =~ /^$rolematch$/) { 1264: $$shown{$idx} = 1; 1265: last; 1266: } 1267: } 1268: } 1269: if ($$shown{$idx} && !$skip_group_check) { 1270: my $showflag = 0; 1271: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1272: foreach my $grp (@{$grouppick}) { 1273: if (grep/^\Q$grp\E$/, 1274: keys(%{$$classgroups{$poster}{active}})) { 1275: $showflag = 1; 1276: last; 1277: } 1278: } 1279: } 1280: if ($showflag) { 1281: $$shown{$idx} = 1; 1282: } else { 1283: $$shown{$idx} = 0; 1284: } 1285: } 1286: } else { 1287: $$shown{$idx} = 1; 1288: } 1289: } 1290: unless ($$notshown{$idx} == 1) { 1291: if ($prevread > 0 && $prevread <= $posttime) { 1292: $$newitem{$idx} = 1; 1293: $$discussionitems[$idx] .= ' 1294: <table border="0" width="100%"> 1295: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').' </b></font></td>'; 1296: } else { 1297: $$newitem{$idx} = 0; 1298: $$discussionitems[$idx] .= ' 1299: <table border="0" width="100%"> 1300: <tr><td align="left"> </td>'; 1301: } 1302: $$discussionitems[$idx] .= '<td align="left">  '. 1303: '<b>'.$subject.'</b>  '. 1304: $sender.' '.$vgrlink.' ('. 1305: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1306: if ($$dischash{$toggkey}) { 1307: $$discussionitems[$idx].='<td align="right">  '. 1308: $ctlink.'</td>'; 1309: } 1310: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1311: $message.'</blockquote>'; 1312: if ($contrib{$idx.':history'}) { 1313: my @postversions = (); 1314: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1315: if ($seeid) { 1316: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1317: $$discussionitems[$idx] .= &group_args($group); 1318: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1319: } 1320: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1321: if ($contrib{$idx.':history'} =~ m/:/) { 1322: @postversions = split(/:/,$contrib{$idx.':history'}); 1323: } else { 1324: @postversions = ("$contrib{$idx.':history'}"); 1325: } 1326: for (my $i=0; $i<@postversions; $i++) { 1327: my $version = $i+1; 1328: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1329: } 1330: } 1331: } 1332: } 1333: } 1334: } 1335: } 1336: } 1337: } 1338: 1339: sub filter_regexp { 1340: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1341: my ($roleregexp,$secregexp,$statusregexp); 1342: my $skiptest = 1; 1343: if (@{$rolefilter} > 0) { 1344: my @okrolefilter = (); 1345: foreach my $role (@{$rolefilter}) { 1346: unless ($role eq '') { 1347: push(@okrolefilter, $role); 1348: } 1349: } 1350: if (@okrolefilter > 0) { 1351: if (grep/^all$/,@okrolefilter) { 1352: $roleregexp='[^:]+'; 1353: } else { 1354: if (@okrolefilter == 1) { 1355: $roleregexp=$okrolefilter[0]; 1356: } else { 1357: $roleregexp='('.join('|',@okrolefilter).')'; 1358: } 1359: $skiptest = 0; 1360: } 1361: } 1362: } 1363: if (@{$sectionpick} > 0) { 1364: my @oksectionpick = (); 1365: foreach my $sec (@{$sectionpick}) { 1366: unless ($sec eq '') { 1367: push(@oksectionpick, $sec); 1368: } 1369: } 1370: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1371: if (@oksectionpick == 1) { 1372: $secregexp = $oksectionpick[0]; 1373: } else { 1374: $secregexp .= '('.join('|',@oksectionpick).')'; 1375: } 1376: $skiptest = 0; 1377: } else { 1378: $secregexp .= '[^:]*'; 1379: } 1380: } 1381: 1382: if (defined($statusfilter) && $statusfilter ne '') { 1383: if ($statusfilter eq 'all') { 1384: $statusregexp = '[^:]+'; 1385: } else { 1386: $statusregexp = $statusfilter; 1387: $skiptest = 0; 1388: } 1389: } 1390: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1391: } 1392: 1393: 1394: sub get_post_contents { 1395: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1396: my $discussion = ''; 1397: my $start=$numver; 1398: my $end=$numver + 1; 1399: %{$$imsfiles{$idx}}=(); 1400: if ($type eq 'allversions') { 1401: unless($seeid) { 1402: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1403: return $discussion; 1404: } 1405: } 1406: # $$screenname=&Apache::loncommon::screenname( 1407: # $$contrib{$idx.':sendername'}, 1408: # $$contrib{$idx.':senderdomain'}); 1409: $$plainname=&Apache::loncommon::nickname( 1410: $$contrib{$idx.':sendername'}, 1411: $$contrib{$idx.':senderdomain'}); 1412: $$screenname=$$contrib{$idx.':screenname'}; 1413: 1414: my $sender=&Apache::loncommon::aboutmewrapper( 1415: $$plainname, 1416: $$contrib{$idx.':sendername'}, 1417: $$contrib{$idx.':senderdomain'}).' ('. 1418: $$contrib{$idx.':sendername'}.':'. 1419: $$contrib{$idx.':senderdomain'}.')'; 1420: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1421: my @postversions = (); 1422: if ($type eq 'allversions' || $type eq 'export') { 1423: $start = 0; 1424: if ($$contrib{$idx.':history'}) { 1425: @postversions = split(/:/,$$contrib{$idx.':history'}); 1426: } 1427: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1428: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1429: push(@postversions,$$contrib{$idx.':timestamp'}); 1430: $end = @postversions; 1431: } else { 1432: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1433: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1434: } 1435: 1436: if ($$contrib{$idx.':anonymous'}) { 1437: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1438: } 1439: if ($type eq 'allversions') { 1440: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1441: } 1442: for (my $i=$start; $i<$end; $i++) { 1443: my ($timesent,$attachmsg); 1444: my %currattach = (); 1445: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1446: unless (&contains_block_html($messages->{$i})) { 1447: &newline_to_br(\$messages->{$i}); 1448: } 1449: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1450: $$subjects{$i}=~s/\n/\<br \/\>/g; 1451: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1452: if ($attachmenturls) { 1453: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1454: } 1455: if ($type eq 'export') { 1456: $$imsfiles{$idx}{$i} = ''; 1457: if ($attachmsg) { 1458: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1459: foreach my $key (sort(keys(%currattach))) { 1460: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1461: my $fname = $1.$3.'/'.$4; 1462: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1463: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1464: } 1465: } 1466: } 1467: } else { 1468: if ($attachmsg) { 1469: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1470: } else { 1471: $$attachtxt{$i} = ''; 1472: } 1473: } 1474: if ($type eq 'allversions') { 1475: $discussion.= <<"END"; 1476: <li><b>$$subjects{$i}</b>, $timesent<br /> 1477: $$messages{$i}<br /> 1478: $$attachtxt{$i}</li> 1479: END 1480: } 1481: } 1482: if ($type eq 'allversions') { 1483: $discussion.='</ul>'; 1484: return $discussion; 1485: } else { 1486: return; 1487: } 1488: } 1489: 1490: sub replicate_attachments { 1491: my ($attachrefs,$tempexport) = @_; 1492: my $response; 1493: foreach my $id (keys(%{$attachrefs})) { 1494: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1495: my $path = $tempexport; 1496: my $tail = $1.'/'.$2.$4; 1497: my @extras = split(/\//,$tail); 1498: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1499: if (!-e $destination) { 1500: my $i= 0; 1501: while ($i<@extras) { 1502: $path .= '/'.$extras[$i]; 1503: if (!-e $path) { 1504: mkdir($path,0700); 1505: } 1506: $i ++; 1507: } 1508: my ($content,$rtncode); 1509: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1510: if ($uploadreply eq 'ok') { 1511: my $attachcopy; 1512: if ($attachcopy = Apache::File->new('>'.$destination)) { 1513: print $attachcopy $content; 1514: close($attachcopy); 1515: } else { 1516: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1517: } 1518: } else { 1519: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1520: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1521: } 1522: } 1523: } 1524: } 1525: return $response; 1526: } 1527: 1528: sub mail_screen { 1529: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1530: if (exists($env{'form.origpage'})) { 1531: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1532: } 1533: 1534: my %lt = &Apache::lonlocal::texthash( 1535: 'myqu' => 'My question/comment/feedback:', 1536: 'title' => 'Title', 1537: 'reta' => 'Retained attachments', 1538: 'atta' => 'Attachment', 1539: ); 1540: my $restitle = &get_resource_title($caller_symb,$feedurl); 1541: my $quote=''; 1542: my $subject = ''; 1543: my $comment = ''; 1544: my $prevtag = ''; 1545: my $parentmsg = ''; 1546: my ($symb,$idx,$attachmenturls); 1547: my $numoldver = 0; 1548: my $attachmsg = ''; 1549: my $newattachmsg = ''; 1550: my @currnewattach = (); 1551: my @currdelold = (); 1552: my @keepold = (); 1553: my %attachments = (); 1554: my %currattach = (); 1555: my $attachnum = 0; 1556: my $anonchk = (<<END); 1557: function anonchk() { 1558: for (var i=0; i < document.mailform.discuss.length; i++) { 1559: if (document.mailform.discuss[i].checked) { 1560: document.attachment.discuss.value = 1561: document.mailform.discuss[i].value; 1562: } 1563: } 1564: if (document.mailform.blog.checked) { 1565: document.attachment.blog.value = 1; 1566: } 1567: return 1568: } 1569: END 1570: my $anonscript; 1571: if (exists($env{'form.origpage'})) { 1572: $anonscript = (<<END); 1573: function setposttype() { 1574: var disc = "$env{'form.discuss'}"; 1575: for (var i=0; i < document.mailform.discuss.length; i++) { 1576: if (disc == document.mailform.discuss[i].value) { 1577: document.mailform.discuss[i].checked = 1; 1578: } 1579: } 1580: var blog = "$env{'form.blog'}"; 1581: if (blog == 1) { 1582: document.mailform.blog.checked=1; 1583: } 1584: return 1585: } 1586: END 1587: } else { 1588: $anonscript = (<<END); 1589: function setposttype() { 1590: return 1591: } 1592: END 1593: } 1594: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1595: if ($env{'form.replydisc'}) { 1596: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1597: } else { 1598: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1599: } 1600: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1601: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1602: $env{'course.'.$env{'request.course.id'}.'.num'}); 1603: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1604: if ($contrib{$idx.':history'}) { 1605: if ($contrib{$idx.':history'} =~ /:/) { 1606: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1607: $numoldver = @oldversions; 1608: } else { 1609: $numoldver = 1; 1610: } 1611: } 1612: if ($env{'form.replydisc'}) { 1613: if ($contrib{$idx.':history'}) { 1614: if ($contrib{$idx.':history'} =~ /:/) { 1615: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1616: $numoldver = @oldversions; 1617: } else { 1618: $numoldver = 1; 1619: } 1620: } 1621: if ($idx > 0) { 1622: my %msgversions = (); 1623: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1624: $quote = $msgversions{$numoldver}; 1625: } 1626: if ($idx > 0) { 1627: my %subversions = (); 1628: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1629: $subject = &mt('Re: ').$subversions{$numoldver}; 1630: } 1631: $subject = &HTML::Entities::encode($subject,'<>&"'); 1632: } else { 1633: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1634: if ($idx > 0) { 1635: my %msgversions = (); 1636: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1637: $comment = $msgversions{$numoldver}; 1638: my %subversions = (); 1639: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1640: $subject = $subversions{$numoldver}; 1641: } 1642: if (defined($contrib{$idx.':replyto'})) { 1643: $parentmsg = $contrib{$idx.':replyto'}; 1644: } 1645: unless (exists($env{'form.origpage'})) { 1646: my $anonflag = 'nonanon'; 1647: if ($contrib{$idx.':anonymous'}) { 1648: $anonflag = 'anon'; 1649: } 1650: $anonscript = (<<END); 1651: function setposttype () { 1652: var currtype = "$anonflag"; 1653: for (var i=0; i<document.mailform.discuss.length; i++) { 1654: if (document.mailform.elements.discuss[i].value == currtype ) { 1655: document.mailform.elements.discuss[i].checked=1; 1656: } 1657: } 1658: return 1659: } 1660: END 1661: } 1662: } 1663: } 1664: if ($env{'form.previous'}) { 1665: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1666: } 1667: } 1668: 1669: if ($env{'form.origpage'}) { 1670: $subject = &unescape($env{'form.subject'}); 1671: $comment = &unescape($env{'form.comment'}); 1672: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1673: } 1674: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1675: my $send=&mt('Send'); 1676: my $alert = &mt('Please select a feedback type.'); 1677: my $js= <<END; 1678: <script type="text/javascript"> 1679: // 1713: </script> 1714: END 1715: 1716: my ($textareaheader,$textareaclass); 1717: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1718: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1719: $textareaclass = 'class="LC_richDefaultOff"'; 1720: if ($env{'request.course.id'}) { 1721: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1722: undef($textareaclass); 1723: } 1724: } 1725: } 1726: 1727: # Breadcrumbs 1728: my $brcrum = [{'href' => '', 1729: 'text' => 'Resource Feedback and Discussion'}]; 1730: 1731: my %onload = ('onload' => 'window.focus();setposttype();'); 1732: my %parms=('add_entries' => \%onload); 1733: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1734: my $start_page= 1735: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1736: 1737: if ($quote ne '') { 1738: $quote = &HTML::Entities::decode($quote); 1739: unless (&contains_block_html($quote)) { 1740: &newline_to_br(\$quote); 1741: } 1742: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1743: } 1744: 1745: $r->print(<<END); 1746: $start_page 1747: <h2><tt>$restitle</tt></h2> 1748: <form action="/adm/feedback" method="post" name="mailform" 1749: enctype="multipart/form-data"> 1750: $prevtag 1751: <input type="hidden" name="postdata" value="$feedurl" /> 1752: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1753: END 1754: if ($env{'form.replydisc'}) { 1755: $r->print(<<END); 1756: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1757: END 1758: } elsif ($env{'form.editdisc'}) { 1759: $r->print(<<END); 1760: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1761: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1762: END 1763: } 1764: $r->print(<<END); 1765: $options<hr /> 1766: $quote 1767: <p>$lt{'myqu'} 1768: $textareaheader 1769: </p> 1770: <p> 1771: $latexHelp 1772: </p> 1773: <p> 1774: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1775: <p> 1776: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1777: </textarea></p> 1778: END 1779: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1780: if ($env{'form.origpage'}) { 1781: foreach my $attach (@currnewattach) { 1782: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1783: } 1784: foreach my $oldatt (@currdelold) { 1785: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1786: } 1787: } 1788: if ($env{'form.editdisc'}) { 1789: if ($attachmenturls) { 1790: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1791: $attachnum = scalar(keys(%currattach)); 1792: foreach my $key (keys(%currattach)) { 1793: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1794: } 1795: } 1796: } 1797: } else { 1798: $r->print(<<END); 1799: <p> 1800: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1801: </p> 1802: END 1803: } 1804: if (exists($env{'form.group'})) { 1805: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1806: } 1807: if (exists($env{'form.ref'})) { 1808: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1809: } 1810: $r->print(<<END); 1811: <p> 1812: <input type="hidden" name="sendit" value="1" /> 1813: <input type="button" value="$send" onclick='gosubmit();' /> 1814: </p> 1815: </form> 1816: END 1817: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1818: my $now = time; 1819: my $ressymb = $symb; 1820: &Apache::lonenc::check_encrypt(\$ressymb); 1821: my $postidx = ''; 1822: if ($env{'form.editdisc'}) { 1823: $postidx = $idx; 1824: } 1825: if (@currnewattach > 0) { 1826: $attachnum += @currnewattach; 1827: } 1828: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1829: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1830: if ($attachnum > 0) { 1831: if (@currnewattach > 0) { 1832: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1833: if (@currnewattach > 1) { 1834: $newattachmsg .= '<ol>'; 1835: foreach my $item (@currnewattach) { 1836: $item =~ m#.*/([^/]+)$#; 1837: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1838: } 1839: $newattachmsg .= '</ol>'."\n"; 1840: } else { 1841: $currnewattach[0] =~ m#.*/([^/]+)$#; 1842: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1843: } 1844: } 1845: if ($attachmsg) { 1846: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1847: } 1848: if ($newattachmsg) { 1849: $r->print("$newattachmsg<br />"); 1850: } 1851: } 1852: } 1853: $r->print(&generate_preview_button(). 1854: &Apache::loncommon::end_page()); 1855: 1856: } 1857: 1858: sub print_display_options { 1859: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1860: &Apache::loncommon::content_type($r,'text/html'); 1861: $r->send_http_header; 1862: 1863: my $function = &Apache::loncommon::get_users_function(); 1864: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1865: $env{'user.domain'}); 1866: 1867: my %lt = &Apache::lonlocal::texthash( 1868: 'pref' => 'Display Preference', 1869: 'curr' => 'Current setting ', 1870: 'actn' => 'Action', 1871: 'deff' => 'Default for all discussions', 1872: 'prca' => 'Preferences can be set for this discussion that determine ....', 1873: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1874: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1875: 'wipa' => 'Whether individual posts can be marked as read/unread', 1876: 'allposts' => 'All posts', 1877: 'unread' => 'New posts only', 1878: 'unmark' => 'Posts not marked read', 1879: 'ondisp' => 'Once displayed', 1880: 'onmark' => 'Once marked not NEW', 1881: 'toggon' => 'Shown', 1882: 'toggoff' => 'Not shown', 1883: 'disa' => 'Posts displayed?', 1884: 'npmr' => 'New posts cease to be identified as "NEW"?', 1885: 'dotm' => 'Option to mark each post as read/unread?', 1886: 'chgt' => 'Change to ', 1887: 'mkdf' => 'Set to ', 1888: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1889: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1890: ); 1891: 1892: my $dispchangeA = $lt{'unread'}; 1893: my $dispchangeB = $lt{'unmark'}; 1894: my $markchange = $lt{'ondisp'}; 1895: my $toggchange = $lt{'toggon'}; 1896: my $currdisp = $lt{'allposts'}; 1897: my $currmark = $lt{'onmark'}; 1898: my $discdisp = 'allposts'; 1899: my $discmark = 'onmark'; 1900: my $currtogg = $lt{'toggoff'}; 1901: my $disctogg = 'toggoff'; 1902: 1903: if ($dispchgA eq 'allposts') { 1904: $dispchangeA = $lt{'allposts'}; 1905: $currdisp = $lt{'unread'}; 1906: $discdisp = 'unread'; 1907: } 1908: 1909: if ($markchg eq 'markonread') { 1910: $markchange = $lt{'onmark'}; 1911: $currmark = $lt{'ondisp'}; 1912: $discmark = 'ondisp'; 1913: } 1914: 1915: if ($dispchgB eq 'onlyunread') { 1916: $dispchangeB = $lt{'unread'}; 1917: $currdisp = $lt{'unmark'}; 1918: $discdisp = 'unmark'; 1919: } 1920: if ($toggchg eq 'toggoff') { 1921: $toggchange = $lt{'toggoff'}; 1922: $currtogg = $lt{'toggon'}; 1923: $disctogg = 'toggon'; 1924: } 1925: 1926: my $js = <<END; 1927: <script type="text/javascript"> 1928: function discdispChk(caller) { 1929: var disctogg = '$toggchg' 1930: if (caller == 0) { 1931: if (document.modifydisp.discdisp[0].checked == true) { 1932: if (document.modifydisp.discdisp[1].checked == true) { 1933: document.modifydisp.discdisp[1].checked = false 1934: } 1935: } 1936: } 1937: if (caller == 1) { 1938: if (document.modifydisp.discdisp[1].checked == true) { 1939: if (document.modifydisp.discdisp[0].checked == true) { 1940: document.modifydisp.discdisp[0].checked = false 1941: } 1942: if (disctogg == 'toggon') { 1943: document.modifydisp.disctogg.checked = true 1944: } 1945: if (disctogg == 'toggoff') { 1946: document.modifydisp.disctogg.checked = false 1947: } 1948: } 1949: } 1950: if (caller == 2) { 1951: var dispchgB = '$dispchgB' 1952: if (disctogg == 'toggoff') { 1953: if (document.modifydisp.disctogg.checked == true) { 1954: if (dispchgB == 'onlyunmark') { 1955: document.modifydisp.discdisp[1].checked = false 1956: } 1957: } 1958: } 1959: } 1960: } 1961: 1962: function setDisp() { 1963: var prev = "$previous" 1964: var chktotal = 0 1965: if (document.modifydisp.discdisp[0].checked == true) { 1966: document.modifydisp.$dispchgA.value = "$symb" 1967: chktotal ++ 1968: } 1969: if (document.modifydisp.discdisp[1].checked == true) { 1970: document.modifydisp.$dispchgB.value = "$symb" 1971: chktotal ++ 1972: } 1973: if (document.modifydisp.discmark.checked == true) { 1974: document.modifydisp.$markchg.value = "$symb" 1975: chktotal ++ 1976: } 1977: if (document.modifydisp.disctogg.checked == true) { 1978: document.modifydisp.$toggchg.value = "$symb" 1979: chktotal ++ 1980: } 1981: if (chktotal > 0) { 1982: document.modifydisp.submit() 1983: } else { 1984: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1985: if (prev > 0) { 1986: location.href = "$feedurl?previous=$previous" 1987: } else { 1988: location.href = "$feedurl" 1989: } 1990: } 1991: } 1992: } 1993: </script> 1994: END 1995: 1996: 1997: my $start_page = 1998: &Apache::loncommon::start_page('Discussion display options',$js); 1999: my $end_page = 2000: &Apache::loncommon::end_page(); 2001: $r->print(<<END); 2002: $start_page 2003: <form name="modifydisp" method="post" action="/adm/feedback"> 2004: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2005: <br /> 2006: END 2007: $r->print(&Apache::loncommon::start_data_table()); 2008: $r->print(<<END); 2009: <tr> 2010: <th>$lt{'pref'}</td> 2011: <th>$lt{'curr'}</td> 2012: <th>$lt{'actn'}?</td> 2013: </tr> 2014: END 2015: $r->print(&Apache::loncommon::start_data_table_row()); 2016: $r->print(<<END); 2017: <td>$lt{'disa'}</td> 2018: <td>$lt{$discdisp}</td> 2019: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2020: <br /> 2021: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2022: </td> 2023: END 2024: $r->print(&Apache::loncommon::end_data_table_row()); 2025: $r->print(&Apache::loncommon::start_data_table_row()); 2026: $r->print(<<END); 2027: <td>$lt{'npmr'}</td> 2028: <td>$lt{$discmark}</td> 2029: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2030: END 2031: $r->print(&Apache::loncommon::end_data_table_row()); 2032: $r->print(&Apache::loncommon::start_data_table_row()); 2033: $r->print(<<END); 2034: <td>$lt{'dotm'}</td> 2035: <td>$lt{$disctogg}</td> 2036: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2037: END 2038: my $save = &mt('Save'); 2039: $r->print(&Apache::loncommon::end_data_table_row()); 2040: $r->print(&Apache::loncommon::end_data_table()); 2041: $r->print(<<END); 2042: <br /> 2043: <br /> 2044: <input type="hidden" name="symb" value="$symb" /> 2045: <input type="hidden" name="previous" value="$previous" /> 2046: <input type="hidden" name="$dispchgA" value="" /> 2047: <input type="hidden" name="$dispchgB" value="" /> 2048: <input type="hidden" name="$markchg" value="" /> 2049: <input type="hidden" name="$toggchg" value="" /> 2050: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2051: END 2052: if (exists($env{'form.group'})) { 2053: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2054: } 2055: if (exists($env{'form.ref'})) { 2056: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2057: } 2058: $r->print(" 2059: <br /> 2060: <br /> 2061: </form> 2062: $end_page 2063: "); 2064: return; 2065: } 2066: 2067: sub print_sortfilter_options { 2068: my ($r,$symb,$previous,$feedurl) = @_; 2069: 2070: &Apache::loncommon::content_type($r,'text/html'); 2071: $r->send_http_header; 2072: 2073: &Apache::lonenc::check_encrypt(\$symb); 2074: my @sections; 2075: my $section_sel = ''; 2076: my $numvisible = 5; 2077: my @groups; 2078: my $group_sel = ''; 2079: my $numgroupvis = 5; 2080: my %sectioncount = &Apache::loncommon::get_sections(); 2081: my @courseroles = qw(st ad ep ta in); 2082: my $crstype = &Apache::loncommon::course_type(); 2083: my $ccrole = 'cc'; 2084: if ($crstype eq 'Community') { 2085: $ccrole = 'co'; 2086: } 2087: push(@courseroles,$ccrole); 2088: 2089: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2090: @sections = ('all',$env{'request.course.sec'}); 2091: $numvisible = 2; 2092: } else { 2093: @sections = sort {$a cmp $b} keys(%sectioncount); 2094: if (scalar(@sections) < 4) { 2095: $numvisible = scalar(@sections) + 1; 2096: } 2097: unshift(@sections,'all'); # Put 'all' at the front of the list 2098: 2099: } 2100: foreach my $sec (@sections) { 2101: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2102: } 2103: 2104: if (&check_group_priv() eq 'ok') { 2105: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2106: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2107: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2108: @groups = sort {$a cmp $b} keys(%curr_groups); 2109: if (scalar(@groups) < 4) { 2110: $numgroupvis = scalar(@groups) + 1; 2111: } 2112: unshift(@groups,'all'); # Put 'all' at the front of the list 2113: } else { 2114: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2115: if (@coursegroups > 0) { 2116: @coursegroups = sort {$a cmp $b} @coursegroups; 2117: @groups = ('all',@coursegroups); 2118: if (scalar(@groups) < 4) { 2119: $numgroupvis = scalar(@groups) + 1; 2120: } 2121: } else { 2122: @groups = ('all'); 2123: $numgroupvis = 1; 2124: } 2125: } 2126: foreach my $group (@groups) { 2127: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2128: } 2129: 2130: my $function = &Apache::loncommon::get_users_function(); 2131: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2132: $env{'user.domain'}); 2133: my %lt = &Apache::lonlocal::texthash( 2134: 'diop' => 'Display Options', 2135: 'curr' => 'Current setting ', 2136: 'actn' => 'Action', 2137: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2138: 'soor' => 'Sort order', 2139: 'spur' => 'Specific user roles', 2140: 'sprs' => 'Specific role status', 2141: 'spse' => 'Specific sections', 2142: 'spgr' => 'Specific groups', 2143: 'psub' => 'Pick specific users (by name)', 2144: 'shal' => 'Show a list of current posters', 2145: 'stor' => 'Save changes', 2146: ); 2147: 2148: my %sort_types = (); 2149: my %role_types = (); 2150: my %status_types = (); 2151: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2152: 2153: my $js = <<END; 2154: <script type="text/javascript"> 2155: function verifyFilter() { 2156: var rolenum = 0 2157: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2158: if (document.modifyshown.rolefilter.options[i].selected == true) { 2159: rolenum ++ 2160: } 2161: } 2162: if (rolenum == 0) { 2163: document.modifyshown.rolefilter.options[0].selected = true 2164: } 2165: 2166: var secnum = 0 2167: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2168: if (document.modifyshown.sectionpick.options[i].selected == true) { 2169: secnum ++ 2170: } 2171: } 2172: if (secnum == 0) { 2173: document.modifyshown.sectionpick.options[0].selected = true 2174: } 2175: 2176: var grpnum = 0 2177: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2178: if (document.modifyshown.grouppick.options[i].selected == true) { 2179: grpnum ++ 2180: } 2181: } 2182: if (grpnum == 0) { 2183: document.modifyshown.grouppick.options[0].selected = true 2184: } 2185: 2186: document.modifyshown.submit(); 2187: } 2188: </script> 2189: END 2190: 2191: my $start_page= 2192: &Apache::loncommon::start_page('Discussion options',$js); 2193: my $end_page= 2194: &Apache::loncommon::end_page(); 2195: 2196: $r->print(<<END); 2197: $start_page 2198: <form name="modifyshown" method="post" action="/adm/feedback"> 2199: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2200: <br /><br /> 2201: <table border="0"> 2202: <tr> 2203: <th>$lt{'soor'}</th> 2204: <th> </th> 2205: <th>$lt{'sprs'}</th> 2206: <th> </th> 2207: <th>$lt{'spur'}</th> 2208: <th> </th> 2209: <th>$lt{'spse'}</th> 2210: <th> </th> 2211: <th>$lt{'spgr'}</th> 2212: <th> </th> 2213: <th>$lt{'psub'}</th> 2214: </tr> 2215: <tr> 2216: <td align="center" valign="top"> 2217: <select name="sortposts"> 2218: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2219: <option value="descdate">$sort_types{'descdate'}</option> 2220: <option value="thread">$sort_types{'thread'}</option> 2221: <option value="subject">$sort_types{'subject'}</option> 2222: <option value="username">$sort_types{'username'}</option> 2223: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2224: </select> 2225: </td> 2226: <td> </td> 2227: <td align="center" valign="top"> 2228: <select name="statusfilter"> 2229: <option value="all" selected="selected">$status_types{'all'}</option> 2230: <option value="Active">$status_types{'Active'}</option> 2231: <option value="Expired">$status_types{'Expired'}</option> 2232: <option value="Future">$status_types{'Future'}</option> 2233: </select> 2234: </td> 2235: <td> </td> 2236: <td align="center" valign="top"> 2237: <select name="rolefilter" multiple="multiple" size="5"> 2238: <option value="all">$role_types{'all'}</option> 2239: <option value="st">$role_types{'st'}</option> 2240: <option value="$ccrole">$role_types{$ccrole}</option> 2241: <option value="in">$role_types{'in'}</option> 2242: <option value="ta">$role_types{'ta'}</option> 2243: <option value="ep">$role_types{'ep'}</option> 2244: <option value="ad">$role_types{'ad'}</option> 2245: <option value="cr">$role_types{'cr'}</option> 2246: </select> 2247: </td> 2248: <td> </td> 2249: <td align="center" valign="top"> 2250: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2251: $section_sel 2252: </select> 2253: </td> 2254: <td> </td> 2255: <td align="center" valign="top"> 2256: <select name="grouppick" multiple="multiple" size="$numvisible"> 2257: $group_sel 2258: </select> 2259: </td> 2260: <td> </td> 2261: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2262: </tr> 2263: </table> 2264: <br /> 2265: <br /> 2266: <input type="hidden" name="previous" value="$previous" /> 2267: <input type="hidden" name="applysort" value="$symb" /> 2268: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2269: END 2270: if (exists($env{'form.group'})) { 2271: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2272: } 2273: if (exists($env{'form.ref'})) { 2274: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2275: } 2276: $r->print(" 2277: <br /> 2278: <br /> 2279: </form> 2280: $end_page 2281: "); 2282: } 2283: 2284: sub print_showposters { 2285: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2286: 2287: &Apache::loncommon::content_type($r,'text/html'); 2288: $r->send_http_header; 2289: 2290: &Apache::lonenc::check_encrypt(\$symb); 2291: my $crs='/'.$env{'request.course.id'}; 2292: if ($env{'request.course.sec'}) { 2293: $crs.='_'.$env{'request.course.sec'}; 2294: } 2295: $crs=~s/\_/\//g; 2296: my $seeid; 2297: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2298: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2299: my $group = $env{'form.group'}; 2300: my $ressymb = &wrap_symb($symb); 2301: if (($group ne '') && 2302: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2303: if (&check_group_priv($group,'dgp') eq 'ok') { 2304: $seeid = 1; 2305: } 2306: } else { 2307: $seeid=&Apache::lonnet::allowed('rin',$crs); 2308: } 2309: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2310: $cdom,$cnum); 2311: my %namesort = (); 2312: my %postcounts = (); 2313: 2314: my %lt = &Apache::lonlocal::texthash( 2315: sele => 'Select', 2316: full => 'Fullname', 2317: usdo => 'Username:domain', 2318: post => 'Posts', 2319: ); 2320: if ($contrib{'version'}) { 2321: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2322: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2323: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2324: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2325: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2326: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2327: my $lastname = $names{'lastname'}; 2328: my $firstname = $names{'firstname'}; 2329: if ($lastname eq '') { 2330: $lastname = '_'; 2331: } 2332: if ($firstname eq '') { 2333: $firstname = '_'; 2334: } 2335: unless (defined($namesort{$lastname})) { 2336: %{$namesort{$lastname}} = (); 2337: } 2338: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2339: $postcounts{$poster} ++; 2340: if (defined($namesort{$lastname}{$firstname})) { 2341: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2342: push(@{$namesort{$lastname}{$firstname}}, $poster); 2343: } 2344: } else { 2345: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2346: } 2347: } 2348: } 2349: } 2350: } 2351: 2352: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2353: my $table_start =&Apache::loncommon::start_data_table(); 2354: $r->print(<<END); 2355: $start_page 2356: <form name="pickpostersform" method="post"> 2357: <br /> 2358: $table_start 2359: <tr> 2360: <th>#</th> 2361: <th>$lt{'sele'}</th> 2362: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2363: <th>$lt{'post'}</th> 2364: </tr> 2365: END 2366: my $count = 0; 2367: foreach my $last (sort(keys(%namesort))) { 2368: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2369: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2370: my ($uname,$udom) = split(/:/,$user); 2371: if (!$uname || !$udom) { 2372: next; 2373: } else { 2374: $count ++; 2375: $r->print(&Apache::loncommon::start_data_table_row(). 2376: '<td align="right">'.$count.'</td> 2377: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2378: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2379: <td>'.$postcounts{$user}.'</td>'. 2380: &Apache::loncommon::end_data_table_row()); 2381: } 2382: } 2383: } 2384: } 2385: $r->print(&Apache::loncommon::end_data_table()); 2386: my $end_page = &Apache::loncommon::end_page(); 2387: $r->print(<<END); 2388: <br /> 2389: <input type="hidden" name="sortposts" value="$sortposts" /> 2390: <input type="hidden" name="userpick" value="$symb" /> 2391: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2392: </form> 2393: $end_page 2394: END 2395: } 2396: 2397: sub get_post_versions { 2398: my ($versions,$incoming,$htmldecode,$numver) = @_; 2399: if ($incoming =~ /^<version num="0">/) { 2400: my $p = HTML::LCParser->new(\$incoming); 2401: my $done = 0; 2402: 2403: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2404: my $num = $token->[1]{num}; 2405: my $text = $p->get_text("/version"); 2406: if (defined($numver)) { 2407: if ($num == $numver) { 2408: if ($htmldecode) { 2409: $text = &HTML::Entities::decode($text); 2410: } 2411: $$versions{$numver}=$text; 2412: $done = 1; 2413: } 2414: } else { 2415: if ($htmldecode) { 2416: $text = &HTML::Entities::decode($text); 2417: } 2418: $$versions{$num}=$text; 2419: } 2420: } 2421: } else { 2422: if (!defined($numver)) { 2423: $numver = 0; 2424: } 2425: if ($htmldecode) { 2426: $$versions{$numver} = $incoming; 2427: } else { 2428: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2429: } 2430: } 2431: return; 2432: } 2433: 2434: sub get_post_attachments { 2435: my ($attachments,$attachmenturls) = @_; 2436: my $num; 2437: if ($attachmenturls =~ m/^<attachment id="0">/) { 2438: my $p = HTML::LCParser->new(\$attachmenturls); 2439: while (my $token = $p->get_tag("attachment","filename","post")) { 2440: if ($token->[0] eq "attachment") { 2441: $num = $token->[1]{id}; 2442: %{$$attachments{$num}} =(); 2443: } elsif ($token->[0] eq "filename") { 2444: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2445: } elsif ($token->[0] eq "post") { 2446: my $id = $token->[1]{id}; 2447: $$attachments{$num}{$id} = $p->get_text("/post"); 2448: } 2449: } 2450: } else { 2451: %{$$attachments{'0'}} = (); 2452: $$attachments{'0'}{'filename'} = $attachmenturls; 2453: $$attachments{'0'}{'0'} = 'n'; 2454: } 2455: 2456: return; 2457: } 2458: 2459: sub fail_redirect { 2460: my ($r,$feedurl) = @_; 2461: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2462: my %lt = &Apache::lonlocal::texthash( 2463: 'sorr' => 'Sorry, no recipients ...', 2464: ); 2465: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2466: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2467: {'redirect' => [2,$feedurl], 2468: 'only_body' => 1,})); 2469: $r->print(<<ENDFAILREDIR); 2470: <img align="right" src="$logo" /> 2471: <b>$lt{'sorr'}</b> 2472: ENDFAILREDIR 2473: $r->print(&Apache::loncommon::end_page()); 2474: } 2475: 2476: sub redirect_back { 2477: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2478: my $sorttag = ''; 2479: my $roletag = ''; 2480: my $statustag = ''; 2481: my $sectag = ''; 2482: my $grptag = ''; 2483: my $userpicktag = ''; 2484: my $qrystr = ''; 2485: my $prevtag = ''; 2486: 2487: &Apache::loncommon::content_type($r,'text/html'); 2488: $r->send_http_header; 2489: &dewrapper(\$feedurl); 2490: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2491: if ($previous > 0) { 2492: $qrystr = 'previous='.$previous; 2493: if ($feedurl =~ /\?register=1/) { 2494: $feedurl .= '&'.$qrystr; 2495: } else { 2496: $feedurl .= '?'.$qrystr; 2497: } 2498: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2499: } 2500: if (defined($sort)) { 2501: my $sortqry = 'sortposts='.$sort; 2502: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2503: $feedurl .= '&'.$sortqry; 2504: } else { 2505: $feedurl .= '?'.$sortqry; 2506: } 2507: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2508: if (defined($numpicks)) { 2509: my $userpickqry = 'totposters='.$numpicks; 2510: $feedurl .= '&'.$userpickqry; 2511: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2512: } else { 2513: if (ref($sectionpick) eq 'ARRAY') { 2514: $feedurl .= '&sectionpick='; 2515: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2516: foreach my $sec (@{$sectionpick}) { 2517: $feedurl .= $sec.','; 2518: $sectag .= $sec.','; 2519: } 2520: $feedurl =~ s/,$//; 2521: $sectag =~ s/,$//; 2522: $sectag .= '" />'; 2523: } else { 2524: $feedurl .= '&sectionpick='.$sectionpick; 2525: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2526: } 2527: if (ref($grouppick) eq 'ARRAY') { 2528: $feedurl .= '&grouppick='; 2529: $sectag .= '<input type="hidden" name="grouppick" value="'; 2530: foreach my $grp (@{$grouppick}) { 2531: $feedurl .= $grp.','; 2532: $grptag .= $grp.','; 2533: } 2534: $feedurl =~ s/,$//; 2535: $grptag =~ s/,$//; 2536: $grptag .= '" />'; 2537: } else { 2538: $feedurl .= '&grouppick='.$grouppick; 2539: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2540: } 2541: if (ref($rolefilter) eq 'ARRAY') { 2542: $feedurl .= '&rolefilter='; 2543: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2544: foreach my $role (@{$rolefilter}) { 2545: $feedurl .= $role.','; 2546: $roletag .= $role.','; 2547: } 2548: $feedurl =~ s/,$//; 2549: $roletag =~ s/,$//; 2550: $roletag .= '" />'; 2551: } else { 2552: $feedurl .= '&rolefilter='.$rolefilter; 2553: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2554: } 2555: $feedurl .= '&statusfilter='.$statusfilter; 2556: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2557: } 2558: } 2559: my $grouptag; 2560: if ($group ne '') { 2561: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2562: my $refarg; 2563: if (exists($env{'form.ref'})) { 2564: $refarg = '&ref='.$env{'form.ref'}; 2565: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2566: } 2567: if ($feedurl =~ /\?/) { 2568: $feedurl .= '&group='.$group.$refarg; 2569: } else { 2570: $feedurl .= '?group='.$group.$refarg; 2571: } 2572: } 2573: &Apache::lonenc::check_encrypt(\$feedurl); 2574: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2575: my %parms=('only_body' => 1); 2576: if ($env{'form.modal'}) { 2577: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2578: } else { 2579: $parms{'redirect'}=[0,$feedurl]; 2580: } 2581: my $start_page= 2582: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2583: my $end_page = &Apache::loncommon::end_page(); 2584: $r->print(<<ENDREDIR); 2585: $start_page 2586: <img align="right" src="$logo" /> 2587: $typestyle 2588: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2589: $blog 2590: $toolarge 2591: <font color="red">$status</font> 2592: <form name="reldt" action="$feedurl" target="loncapaclient"> 2593: $prevtag 2594: $sorttag 2595: $statustag 2596: $roletag 2597: $sectag 2598: $grptag 2599: $userpicktag 2600: $grouptag 2601: </form> 2602: $end_page 2603: ENDREDIR 2604: } 2605: 2606: sub no_redirect_back { 2607: my ($r,$feedurl) = @_; 2608: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2609: 2610: my %onload; 2611: 2612: my %body_options = ('only_body' => 1, 2613: 'bgcolor' => '#FFFFFF', 2614: 'add_entries' => \%onload,); 2615: 2616: if ($feedurl !~ m{^/adm/feedback}) { 2617: $body_options{'rediect'} = [2,$feedurl]; 2618: } 2619: my $start_page= 2620: &Apache::loncommon::start_page('Feedback not sent',undef, 2621: \%body_options); 2622: 2623: my $end_page = &Apache::loncommon::end_page(); 2624: 2625: &Apache::lonenc::check_encrypt(\$feedurl); 2626: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2627: $r->print (<<ENDNOREDIRTWO); 2628: $start_page 2629: <img align="right" src="$logo" /> 2630: <b>$nofeed</b> 2631: <br /> 2632: $end_page 2633: ENDNOREDIRTWO 2634: } 2635: 2636: sub screen_header { 2637: my ($feedurl,$symb,$group) = @_; 2638: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2639: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2640: my $contribdisc = &mt('Contribution to course discussion of resource'); 2641: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2642: my $namevis = &mt('name only visible to course faculty'); 2643: my $crstype; 2644: if ($env{'request.course.id'}) { 2645: $crstype = &Apache::loncommon::course_type(); 2646: if ($crstype eq 'Community') { 2647: $crscontent = &mt('Question/Comment/Feedback about community content'); 2648: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2649: $contribdisc = &mt('Contribution to community discussion of resource'); 2650: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2651: $namevis = &mt('name only visible to community facilitators'); 2652: } 2653: } 2654: my $msgoptions=''; 2655: my $discussoptions=''; 2656: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2657: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2658: $msgoptions= 2659: '<p><label><input type="radio" name="discuss" value="author" /> '. 2660: &mt('Feedback to resource author').'</label></p>'; 2661: } 2662: my %optionhash=(); 2663: foreach my $type ('question','comment','policy') { 2664: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2665: } 2666: if (&feedback_available(1)) { 2667: $msgoptions.= 2668: '<p><label><input type="radio" name="discuss" value="question" /> '. 2669: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2670: } 2671: if (&feedback_available(0,1)) { 2672: $msgoptions.= 2673: '<p><label><input type="radio" name="discuss" value="course" /> '. 2674: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2675: '</label></p>'; 2676: } 2677: if (&feedback_available(0,0,1)) { 2678: $msgoptions.= 2679: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2680: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2681: '</label></p>'; 2682: } 2683: } 2684: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2685: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2686: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2687: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2688: my $realsymb = $symb; 2689: if ($symb=~/^bulletin___/) { 2690: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2691: $filename=~s|^adm/wrapper/||; 2692: $realsymb=&Apache::lonnet::symbread($filename); 2693: } 2694: if (!$blocked && &discussion_open(undef,$realsymb) && 2695: (&Apache::lonnet::allowed('pch', 2696: $env{'request.course.id'}. 2697: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2698: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2699: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2700: $contribdisc. 2701: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2702: $anoncontrib. 2703: ' <i>('.$namevis.')</i></label> '. 2704: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2705: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2706: if (!$blockblog) { 2707: $discussoptions.= &add_blog_checkbox($crstype); 2708: } 2709: } 2710: } 2711: if ($msgoptions) { 2712: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2713: .' '.&mt('Send Feedback').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</p>' 2714: .$msgoptions; 2715: } 2716: if ($discussoptions) { 2717: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2718: .' '.&mt('Discussion Contributions').'</h2><p>'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</p>' 2719: .$discussoptions; 2720: } 2721: return $msgoptions.$discussoptions; 2722: } 2723: 2724: sub resource_output { 2725: my ($feedurl) = @_; 2726: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2727: $usersaw=~s/\<body[^\>]*\>//gi; 2728: $usersaw=~s/\<\/body\>//gi; 2729: $usersaw=~s/\<html\>//gi; 2730: $usersaw=~s/\<\/html\>//gi; 2731: $usersaw=~s/\<head\>//gi; 2732: $usersaw=~s/\<\/head\>//gi; 2733: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2734: return $usersaw; 2735: } 2736: 2737: sub clear_out_html { 2738: my ($message,$override)=@_; 2739: # Always allow the <m>-tag 2740: my %html=(M=>1); 2741: # Check if more is allowed 2742: my $cid=$env{'request.course.id'}; 2743: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2744: ($override)) { 2745: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2746: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2747: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2748: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2749: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2750: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2751: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2752: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2753: } 2754: # Do the substitution of everything that is not explicitly allowed 2755: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2756: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2757: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2758: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2759: return $message; 2760: } 2761: 2762: sub assemble_email { 2763: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2764: my %lt = &Apache::lonlocal::texthash( 2765: 'prev' => 'Previous attempts of student (if applicable)', 2766: 'orig' => 'Original screen output (if applicable)', 2767: 'corr' => 'Correct Answer(s) (if applicable)', 2768: ); 2769: if (&Apache::loncommon::course_type() eq 'Community') { 2770: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2771: } 2772: my $email=<<"ENDEMAIL"; 2773: $message 2774: ENDEMAIL 2775: my $citations=<<"ENDCITE"; 2776: <h2>$lt{'prev'}</h2> 2777: $prevattempts 2778: <br /><hr /> 2779: <h2>$lt{'orig'}</h2> 2780: $usersaw 2781: <h2>$lt{'corr'}</h2> 2782: $useranswer 2783: ENDCITE 2784: return ($email,$citations); 2785: } 2786: 2787: 2788: sub feedback_available { 2789: my ($question,$course,$policy)=@_; 2790: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2791: $course,$policy); 2792: return scalar(%to); 2793: } 2794: 2795: sub send_msg { 2796: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2797: my $status=''; 2798: my $sendsomething=0; 2799: my $restitle = &get_resource_title($symb,$feedurl); 2800: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2801: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2802: foreach my $key (keys(%to)) { 2803: if ($key) { 2804: my ($user,$domain) = split(/\:/,$key,2); 2805: if (!defined($user)) { 2806: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2807: } elsif (!defined($domain)) { 2808: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2809: } else { 2810: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2811: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2812: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2813: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2814: } else { 2815: $sendsomething++; 2816: } 2817: } 2818: } 2819: } 2820: 2821: 2822: my %record=&Apache::lonnet::restore('_feedback'); 2823: my ($temp)=keys(%record); 2824: unless ($temp=~/^error\:/) { 2825: my %newrecord=(); 2826: $newrecord{'resource'}=$feedurl; 2827: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2828: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2829: $status.='<br />'.&mt('Not registered').'<br />'; 2830: } 2831: } 2832: 2833: return ($status,$sendsomething); 2834: } 2835: 2836: sub adddiscuss { 2837: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2838: my $status=''; 2839: my $realsymb; 2840: if ($symb=~/^bulletin___/) { 2841: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2842: $filename=~s|^adm/wrapper/||; 2843: $realsymb=&Apache::lonnet::symbread($filename); 2844: } 2845: my ($cnum,$cdom); 2846: if ($env{'request.course.id'}) { 2847: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2848: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2849: } 2850: if (&discussion_open(undef,$realsymb) && 2851: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2852: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2853: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2854: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2855: 2856: my %contrib=('message' => $email, 2857: 'sendername' => $env{'user.name'}, 2858: 'senderdomain' => $env{'user.domain'}, 2859: 'screenname' => $env{'environment.screenname'}, 2860: 'plainname' => $env{'environment.firstname'}.' '. 2861: $env{'environment.middlename'}.' '. 2862: $env{'environment.lastname'}.' '. 2863: $env{'enrironment.generation'}, 2864: 'attachmenturl'=> $attachmenturl, 2865: 'subject' => $subject); 2866: if ($env{'form.replydisc'}) { 2867: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2868: } 2869: if ($anon) { 2870: $contrib{'anonymous'}='true'; 2871: } 2872: if (($symb) && ($email)) { 2873: my $now = time; 2874: if ($env{'form.editdisc'}) { 2875: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2876: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2877: $contrib{'timestamp'} = $now; 2878: $contrib{'history'} = ''; 2879: my $numoldver = 0; 2880: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2881: &Apache::lonenc::check_decrypt(\$oldsymb); 2882: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2883: # get timestamp for last post and history 2884: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2885: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2886: $env{'course.'.$env{'request.course.id'}.'.num'}); 2887: if (defined($oldcontrib{$oldidx.':replyto'})) { 2888: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2889: } 2890: if (defined($oldcontrib{$oldidx.':history'})) { 2891: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2892: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2893: $numoldver = @oldversions; 2894: } else { 2895: $numoldver = 1; 2896: } 2897: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2898: } 2899: my $numnewver = $numoldver + 1; 2900: if (defined($oldcontrib{$oldidx.':subject'})) { 2901: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2902: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2903: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2904: } else { 2905: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2906: } 2907: } 2908: if (defined($oldcontrib{$oldidx.':message'})) { 2909: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2910: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2911: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2912: } else { 2913: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2914: } 2915: } 2916: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2917: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2918: $oldsymb,$oldidx,\%contrib, 2919: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2920: $env{'course.'.$env{'request.course.id'}.'.num'}); 2921: $status='Editing class discussion'.($anon?' (anonymous)':''); 2922: } else { 2923: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2924: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2925: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2926: $env{'course.'.$env{'request.course.id'}.'.num'}); 2927: } 2928: my %storenewentry=($symb => $now); 2929: $status.='<br />'.&mt('Updating discussion time').': '. 2930: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2931: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2932: $env{'course.'.$env{'request.course.id'}.'.num'}); 2933: } 2934: my %record=&Apache::lonnet::restore('_discussion'); 2935: my ($temp)=keys(%record); 2936: unless ($temp=~/^error\:/) { 2937: my %newrecord=(); 2938: $newrecord{'resource'}=$symb; 2939: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2940: $status.='<br />'.&mt('Registering').': '. 2941: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2942: } 2943: } else { 2944: $status.='Failed.'; 2945: } 2946: return $status.'<br />'; 2947: } 2948: 2949: sub get_discussion_info { 2950: my ($idx,%contrib) = @_; 2951: my $changelast = 0; 2952: my $count = 0; 2953: my $hiddenflag = 0; 2954: my $deletedflag = 0; 2955: my ($hidden,$deleted,%info,$newlastdisc); 2956: my $version = $contrib{'version'}; 2957: if ($version) { 2958: for (my $id=$version; $id>0; $id--) { 2959: my $vkeys=$contrib{$id.':keys'}; 2960: my @keys=split(/:/,$vkeys); 2961: if (grep(/^hidden$/,@keys)) { 2962: if (!$hiddenflag) { 2963: $hidden = $contrib{$id.':hidden'}; 2964: $hiddenflag = 1; 2965: } 2966: } elsif (grep(/^deleted$/,@keys)) { 2967: if (!$deletedflag) { 2968: $deleted = $contrib{$id.':deleted'}; 2969: $deletedflag = 1; 2970: } 2971: } else { 2972: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2973: $count++; 2974: $info{$count}{'id'} = $id; 2975: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2976: } 2977: } 2978: } 2979: if ($info{'1'}{'id'} == $idx) { 2980: $changelast = 1; 2981: if ($count > 1) { 2982: $newlastdisc = $info{'2'}{'timestamp'}; 2983: } else { 2984: $newlastdisc = 0; 2985: } 2986: } 2987: } 2988: return ($changelast,$newlastdisc); 2989: } 2990: 2991: # ----------------------------------------------------------- Preview function 2992: 2993: sub show_preview { 2994: my ($r) = @_; 2995: &Apache::loncommon::content_type($r,'text/html'); 2996: $r->send_http_header; 2997: my $start_page= 2998: &Apache::loncommon::start_page('Preview',undef, 2999: {'only_body' => 1,}); 3000: 3001: my $message=&clear_out_html($env{'form.comment'}); 3002: &newline_to_br(\$message); 3003: $message=&Apache::lonspeller::markeduptext($message); 3004: $message=&Apache::lontexconvert::msgtexconverted($message); 3005: my $subject=&clear_out_html($env{'form.subject'}); 3006: $subject=~s/\n/\<br \/\>/g; 3007: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3008: 3009: my $end_page = &Apache::loncommon::end_page(); 3010: 3011: $r->print($start_page 3012: .'<h1>'.&mt('Preview').'</h1>' 3013: .&Apache::lonhtmlcommon::start_pick_box() 3014: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3015: .$subject 3016: .&Apache::lonhtmlcommon::row_closure() 3017: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3018: .$message 3019: .&Apache::lonhtmlcommon::row_closure(1) 3020: .&Apache::lonhtmlcommon::end_pick_box() 3021: .$end_page 3022: ); 3023: } 3024: 3025: sub contains_block_html { 3026: my ($message)=@_; 3027: return ($message =~ m{ 3028: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3029: \s* 3030: (\w+\=['"]\w+['"])* 3031: \s* 3032: ( 3033: \s*/>| 3034: >.*</\1\s*> 3035: )}xs 3036: ); 3037: } 3038: 3039: sub tidy_html { 3040: my ($message)=@_; 3041: # my $tidy = HTML::Tidy::libXML->new(); 3042: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3043: # $xhtml =~ m/<body>(.*)<\/body>/is; 3044: # my $clean = $1; 3045: # # remove any empty block-level tags 3046: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3047: # $message=$clean; 3048: return $message; 3049: } 3050: 3051: sub newline_to_br { 3052: my ($message)=@_; 3053: my $newmessage; 3054: my $parser=HTML::LCParser->new($message); 3055: while (my $token=$parser->get_token()) { 3056: if ($token->[0] eq 'T') { 3057: my $text=$token->[1]; 3058: $text=~s/\n/\<br \/\>/g; 3059: $newmessage.=$text; 3060: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3061: $newmessage.=$token->[1]; 3062: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3063: $newmessage.=$token->[2]; 3064: } elsif ($token->[0] eq 'S') { 3065: $newmessage.=$token->[4]; 3066: } 3067: 3068: } 3069: $$message=$newmessage; 3070: } 3071: 3072: sub generate_preview_button { 3073: my ($formname,$fieldname)=@_; 3074: unless ($formname) { $formname='mailform'; } 3075: unless ($fieldname) { $fieldname='comment'; } 3076: my $pre=&mt("Show Preview and Check Spelling"); 3077: return(<<ENDPREVIEW); 3078: <br /> 3079: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3080: <input type="hidden" name="subject" /> 3081: <input type="hidden" name="comment" /> 3082: <input type="button" value="$pre" 3083: onclick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 3084: </form> 3085: ENDPREVIEW 3086: } 3087: 3088: sub modify_attachments { 3089: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3090: $attachmaxtext,$toolarge)=@_; 3091: 3092: my %lt = &Apache::lonlocal::texthash( 3093: 'subj' => 'Subject', 3094: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3095: 'chth' => 'Check the checkboxes for any you wish to remove.', 3096: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3097: 'adda' => 'Add a new attachment to this post.', 3098: 'stch' => 'Save Changes', 3099: ); 3100: my $js = <<END; 3101: <script type="text/javascript"> 3102: function setAction () { 3103: document.modattachments.action = document.modattachments.origpage.value; 3104: document.modattachments.submit(); 3105: } 3106: </script> 3107: END 3108: 3109: # Breadcrumbs 3110: my $brcrum = [{'href' => '', 3111: 'text' => 'Discussion Post Attachments'}]; 3112: my %parms=(); 3113: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3114: 3115: my $start_page = 3116: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3117: 3118: my $orig_subject = &unescape($env{'form.subject'}); 3119: my $subject=&clear_out_html($orig_subject); 3120: $subject=~s/\n/\<br \/\>/g; 3121: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3122: my $timestamp=$env{'form.timestamp'}; 3123: my $numoldver=$env{'form.numoldver'}; 3124: 3125: my $msg = ''; 3126: my %attachments = (); 3127: my %currattach = (); 3128: if ($idx) { 3129: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3130: } 3131: &Apache::lonenc::check_encrypt(\$symb); 3132: 3133: my $end_page = 3134: &Apache::loncommon::end_page(); 3135: 3136: $r->print(<<END); 3137: $start_page 3138: $toolarge 3139: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3140: <br /> 3141: <table class="LC_data_table"> 3142: <tr> 3143: <td colspan="2"> 3144: <b>Subject:</b> <b>$subject</b><br /><br /> 3145: END 3146: if ($idx) { 3147: if ($attachmenturls) { 3148: my @currold = keys(%currattach); 3149: if (@currold > 0) { 3150: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3151: foreach my $id (@currold) { 3152: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3153: $attachurl =~ m#/([^/]+)$#; 3154: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3155: } 3156: $r->print("<br />"); 3157: } 3158: } 3159: } 3160: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3161: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3162: foreach my $attach (@{$currnewattach}) { 3163: $attach =~ m#/([^/]+)$#; 3164: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3165: } 3166: $r->print("<br />"); 3167: } 3168: $r->print(<<END); 3169: </td></tr> 3170: <tr> 3171: <td> 3172: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3173: </td> 3174: </tr> 3175: <tr> 3176: <td colspan="2">$attachmaxtext</td> 3177: </tr> 3178: </table> 3179: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3180: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3181: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3182: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3183: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3184: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3185: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3186: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3187: END 3188: foreach my $item (@{$currnewattach}) { 3189: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3190: } 3191: foreach my $item (@{$currdelold}) { 3192: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3193: } 3194: $r->print(<<END); 3195: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3196: </form> 3197: $end_page 3198: END 3199: return; 3200: } 3201: 3202: sub process_attachments { 3203: my ($currnewattach,$currdelold,$keepold) = @_; 3204: 3205: @{$currnewattach}= 3206: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3207: @{$currdelold}= 3208: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3209: if (exists($env{'form.delnewattach'})) { 3210: my @currdelnew = 3211: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3212: my @currnew = (); 3213: foreach my $newone (@{$currnewattach}) { 3214: my $delflag = 0; 3215: foreach my $item (@currdelnew) { 3216: if ($newone eq $item) { 3217: $delflag = 1; 3218: last; 3219: } 3220: } 3221: unless ($delflag) { 3222: push(@currnew, $newone); 3223: } 3224: } 3225: @{$currnewattach} = @currnew; 3226: } 3227: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3228: } 3229: 3230: sub generate_attachments_button { 3231: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3232: $numoldver,$mode,$blockblog) = @_; 3233: my $origpage = $ENV{'REQUEST_URI'}; 3234: my $att=$attachnum.' '.&mt("attachments"); 3235: my %lt = &Apache::lonlocal::texthash( 3236: 'clic' => 'Click to add/remove attachments', 3237: ); 3238: my $response = (<<END); 3239: <br /> 3240: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3241: $lt{'clic'}: <input type="button" value="$att" 3242: 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); 3243: END 3244: if (!$blockblog) { 3245: $response .= 'setblogvalue();'; 3246: } 3247: unless ($mode eq 'board') { 3248: $response .= 'javascript:anonchk();'; 3249: } 3250: $response .= (<<ENDATTACH); 3251: this.form.submit();" /> 3252: <input type="hidden" name="origpage" value="$origpage" /> 3253: <input type="hidden" name="idx" value="$idx" /> 3254: <input type="hidden" name="timestamp" value="$now" /> 3255: <input type="hidden" name="subject" /> 3256: <input type="hidden" name="comment" /> 3257: <input type="hidden" name="blog" value="0" /> 3258: <input type="hidden" name="discuss" value="0" /> 3259: <input type="hidden" name="numoldver" value="$numoldver" /> 3260: ENDATTACH 3261: if (defined($deloldattach)) { 3262: if (@{$deloldattach} > 0) { 3263: foreach my $delatt (@{$deloldattach}) { 3264: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3265: } 3266: } 3267: } 3268: if (defined($currnewattach)) { 3269: if (@{$currnewattach} > 0) { 3270: foreach my $attach (@{$currnewattach}) { 3271: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3272: } 3273: } 3274: } 3275: $response .= '</form>'; 3276: return $response; 3277: } 3278: 3279: sub extract_attachments { 3280: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3281: %{$attachments}=(); 3282: &get_post_attachments($attachments,$attachmenturls); 3283: foreach my $id (sort(keys(%{$attachments}))) { 3284: if (exists($$attachments{$id}{$numoldver})) { 3285: if (defined($currdelold)) { 3286: if (@{$currdelold} > 0) { 3287: unless (grep/^$id$/,@{$currdelold}) { 3288: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3289: } 3290: } else { 3291: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3292: } 3293: } else { 3294: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3295: } 3296: } 3297: } 3298: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3299: if (@attached == 1) { 3300: my $id = $attached[0]; 3301: my $attachurl; 3302: if ($attachmenturls =~ m/^<attachment id="0">/) { 3303: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3304: } else { 3305: $attachurl = $$attachments{$id}{'filename'}; 3306: } 3307: $attachurl=~m|/([^/]+)$|; 3308: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3309: $1.'</tt></a><br />'; 3310: &Apache::lonnet::allowuploaded('/adm/feedback', 3311: $attachurl); 3312: } elsif (@attached > 1) { 3313: $$message.='<ol>'; 3314: foreach my $attach (@attached) { 3315: my $id = $attach; 3316: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3317: my ($fname) 3318: =($attachurl=~m|/([^/]+)$|); 3319: $$message .= '<li><a href="'.$attachurl. 3320: '"><tt>'. 3321: $fname.'</tt></a></li>'; 3322: &Apache::lonnet::allowuploaded('/adm/feedback', 3323: $attachurl); 3324: } 3325: $$message .= '</ol>'; 3326: } 3327: } 3328: 3329: sub construct_attachmenturl { 3330: my ($currnewattach,$keepold,$symb,$idx)=@_; 3331: my $oldattachmenturl; 3332: my $newattachmenturl; 3333: my $startnum = 0; 3334: my $currver = 0; 3335: if (($env{'form.editdisc'}) && ($idx)) { 3336: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3337: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3338: $env{'course.'.$env{'request.course.id'}.'.num'}); 3339: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3340: if ($contrib{$idx.':history'}) { 3341: if ($contrib{$idx.':history'} =~ /:/) { 3342: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3343: $currver = 1 + scalar(@oldversions); 3344: } else { 3345: $currver = 2; 3346: } 3347: } else { 3348: $currver = 1; 3349: } 3350: if ($oldattachmenturl) { 3351: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3352: my %attachments = (); 3353: my $prevver = $currver-1; 3354: &get_post_attachments(\%attachments,$oldattachmenturl); 3355: my $numattach = scalar(keys(%attachments)); 3356: $startnum += $numattach; 3357: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3358: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3359: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3360: unless ($item eq 'filename') { 3361: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3362: } 3363: } 3364: if (grep/^$num$/,@{$keepold}) { 3365: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3366: } 3367: $newattachmenturl .= '</attachment>'; 3368: } 3369: } else { 3370: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3371: unless (grep/^0$/,@{$keepold}) { 3372: $newattachmenturl .= '<post id="1">n</post>'; 3373: } 3374: $newattachmenturl .= '</attachment>'; 3375: $startnum ++; 3376: } 3377: } 3378: } 3379: for (my $i=0; $i<@{$currnewattach}; $i++) { 3380: my $attachnum = $startnum + $i; 3381: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3382: } 3383: return $newattachmenturl; 3384: } 3385: 3386: sub add_blog_checkbox { 3387: my ($crstype) = @_; 3388: my $checkstatus; 3389: if ($env{'form.blog'}) { 3390: $checkstatus = 'checked="checked"'; 3391: } 3392: my $output = ' 3393: <script type="text/javascript"> 3394: function setblogvalue() { 3395: if (document.mailform.blog.checked) { 3396: document.attachment.blog.value = 1; 3397: } else { 3398: document.attachment.blog.value = 0; 3399: } 3400: } 3401: </script><br /> 3402: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3403: if ($crstype eq 'Community') { 3404: $output .= &mt('Add to my public community blog'); 3405: } else { 3406: $output .= &mt('Add to my public course blog'); 3407: } 3408: $output .= '</label><br />'."\n"; 3409: return $output; 3410: } 3411: 3412: sub has_discussion { 3413: my $resourcesref = shift; 3414: my $navmap = Apache::lonnavmaps::navmap->new(); 3415: if (defined($navmap)) { 3416: my @allres=$navmap->retrieveResources(); 3417: foreach my $resource (@allres) { 3418: if ($resource->hasDiscussion()) { 3419: my $ressymb = $resource->wrap_symb(); 3420: if (ref($resourcesref) eq 'ARRAY') { 3421: push(@{$resourcesref}, $ressymb); 3422: } 3423: } 3424: } 3425: } else { 3426: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3427: } 3428: return; 3429: } 3430: 3431: sub sort_filter_names { 3432: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3433: if (ref($sort_types) eq 'HASH') { 3434: %{$sort_types} = ( 3435: ascdate => 'Date order - oldest first', 3436: descdate => 'Date order - newest first', 3437: thread => 'Threaded', 3438: subject => 'By subject', 3439: username => 'By domain and username', 3440: lastfirst => 'By last name, first name' 3441: ); 3442: } 3443: my @courseroles = qw(st in ta ep ad); 3444: if ($crstype eq 'Community') { 3445: push(@courseroles,'co'); 3446: } else { 3447: push(@courseroles,'cc'); 3448: } 3449: if (ref($role_types) eq 'HASH') { 3450: foreach my $role (@courseroles) { 3451: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3452: } 3453: $role_types->{'all'} = 'All roles'; 3454: $role_types->{'cr'} = 'Custom role'; 3455: } 3456: if (ref($status_types) eq 'HASH') { 3457: %{$status_types} = ( 3458: all => 'Roles of any status', 3459: Active => 'Only active roles', 3460: Expired => 'Only past roles', 3461: Future => 'Only future roles', 3462: ); 3463: } 3464: } 3465: 3466: sub handler { 3467: my $r = shift; 3468: if ($r->header_only) { 3469: &Apache::loncommon::content_type($r,'text/html'); 3470: $r->send_http_header; 3471: return OK; 3472: } 3473: 3474: # --------------------------- Get query string for limited number of parameters 3475: 3476: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3477: ['modal','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']); 3478: my $group = $env{'form.group'}; 3479: my %attachmax = ( 3480: text => &mt('(128 KB max size)'), 3481: num => 131072, 3482: ); 3483: if ($env{'form.editdisc'}) { 3484: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3485: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3486: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3487: my $feedurl=&Apache::lonnet::clutter($url); 3488: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3489: undef,undef,undef,$group); 3490: return OK; 3491: } 3492: } 3493: if ($env{'form.discsymb'}) { 3494: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3495: my $readkey = $symb.'_read'; 3496: my $chgcount = 0; 3497: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3498: foreach my $key (keys(%env)) { 3499: if ($key =~ m/^form\.postunread_(\d+)/) { 3500: if ($readinghash{$readkey} =~ /\.$1\./) { 3501: $readinghash{$readkey} =~ s/\.$1\.//; 3502: $chgcount ++; 3503: } 3504: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3505: unless ($readinghash{$readkey} =~ /\.$1\./) { 3506: $readinghash{$readkey} .= '.'.$1.'.'; 3507: $chgcount ++; 3508: } 3509: } 3510: } 3511: if ($chgcount > 0) { 3512: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3513: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3514: } 3515: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3516: '0','0','','',$env{'form.previous'},'','','', 3517: undef,undef,undef,$group); 3518: return OK; 3519: } 3520: if ($env{'form.allversions'}) { 3521: &Apache::loncommon::content_type($r,'text/html'); 3522: &Apache::loncommon::no_cache($r); 3523: $r->send_http_header; 3524: 3525: # Breadcrumbs 3526: my $brcrum = [{'href' => '', 3527: 'text' => 'Discussion Post Versions'}]; 3528: 3529: my %parms=(); 3530: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3531: 3532: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3533: 3534: my $crs='/'.$env{'request.course.id'}; 3535: if ($env{'request.course.sec'}) { 3536: $crs.='_'.$env{'request.course.sec'}; 3537: } 3538: $crs=~s|_|/|g; 3539: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3540: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3541: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3542: ($symb)=&get_feedurl_and_clean_symb($symb); 3543: my $ressymb = &wrap_symb($symb); 3544: my $group = $env{'form.group'}; 3545: my $seeid; 3546: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3547: if (&check_group_priv($group,'dgp') eq 'ok') { 3548: $seeid = 1; 3549: } 3550: } else { 3551: $seeid = &Apache::lonnet::allowed('rin',$crs); 3552: } 3553: if ($idx > 0) { 3554: my %messages = (); 3555: my %subjects = (); 3556: my %attachmsgs = (); 3557: my %allattachments = (); 3558: my %imsfiles = (); 3559: my ($screenname,$plainname); 3560: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3561: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3562: $env{'course.'.$env{'request.course.id'}.'.num'}); 3563: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3564: } 3565: $r->print(&Apache::loncommon::end_page()); 3566: return OK; 3567: } 3568: if ($env{'form.posterlist'}) { 3569: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3570: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3571: $env{'form.sortposts'}); 3572: return OK; 3573: } 3574: if ($env{'form.userpick'}) { 3575: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3576: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3577: my $numpicks = @posters; 3578: my %discinfo; 3579: $discinfo{$symb.'_userpick'} = join('&',@posters); 3580: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3581: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3582: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3583: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3584: '',$numpicks,$group); 3585: return OK; 3586: } 3587: if ($env{'form.applysort'}) { 3588: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3589: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3590: '',$env{'form.previous'},$env{'form.sortposts'}, 3591: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3592: $env{'form.sectionpick'},$env{'form.grouppick'}, 3593: undef,$group); 3594: return OK; 3595: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3596: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3597: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3598: return OK; 3599: } elsif ($env{'form.navtime'}) { 3600: my %discinfo = (); 3601: my @resources = (); 3602: if (defined($env{'form.navmaps'})) { 3603: if ($env{'form.navmaps'} =~ /:/) { 3604: @resources = split(/:/,$env{'form.navmaps'}); 3605: } else { 3606: @resources = ("$env{'form.navmaps'}"); 3607: } 3608: } else { 3609: &has_discussion(\@resources); 3610: } 3611: my $numitems = @resources; 3612: my $feedurl = '/adm/navmaps'; 3613: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3614: my %lt = &Apache::lonlocal::texthash( 3615: 'mnpa' => 'Marked "New" posts as read in a total of', 3616: 'robb' => 'resources/bulletin boards.', 3617: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3618: ); 3619: foreach my $res (@resources) { 3620: my $ressymb=$res; 3621: &Apache::lonenc::check_decrypt(\$ressymb); 3622: my $lastkey = $ressymb.'_lastread'; 3623: $discinfo{$lastkey} = $env{'form.navtime'}; 3624: } 3625: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3626: if ($numitems > 0) { 3627: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3628: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3629: } else { 3630: $textline = "<b>$lt{'twnp'}</b>"; 3631: } 3632: &Apache::loncommon::content_type($r,'text/html'); 3633: $r->send_http_header; 3634: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3635: my %onload; 3636: 3637: my $start_page= 3638: &Apache::loncommon::start_page('New posts marked as read',undef, 3639: {'redirect' => [2,$feedurl], 3640: 'only_body' => 1, 3641: 'add_entries' => \%onload}); 3642: my $end_page = &Apache::loncommon::end_page(); 3643: $r->print (<<ENDREDIR); 3644: $start_page 3645: <img align="right" src="$logo" /> 3646: $textline 3647: <form name="reldt" action="$feedurl" target="loncapaclient"> 3648: </form> 3649: <br /> 3650: $end_page 3651: ENDREDIR 3652: return OK; 3653: } elsif ($env{'form.modifydisp'}) { 3654: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3655: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3656: split(/_/,$env{'form.changes'}); 3657: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3658: $dispchgB,$markchg,$toggchg,$feedurl); 3659: return OK; 3660: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3661: $env{'form.allposts'} || $env{'form.onlyunread'} || 3662: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3663: $env{'form.toggon'} || $env{'form.markread'}) { 3664: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3665: my %discinfo; 3666: # ------------------------ Modify setting for read/unread toggle for each post 3667: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3668: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3669: # --------- Modify setting for identification of 'NEW' posts in this discussion 3670: if ($env{'form.markondisp'}) { 3671: $discinfo{$symb.'_lastread'} = time; 3672: $discinfo{$symb.'_markondisp'} = 1; 3673: } 3674: if ($env{'form.markonread'}) { 3675: if ( $env{'form.previous'} > 0 ) { 3676: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3677: } 3678: $discinfo{$symb.'_markondisp'} = 0; 3679: } 3680: # --------------------------------- Modify display setting for this discussion 3681: if ($env{'form.allposts'}) { 3682: $discinfo{$symb.'_showonlyunread'} = 0; 3683: $discinfo{$symb.'_showonlyunmark'} = 0; 3684: } 3685: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3686: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3687: # ----------------------------------------------------- Mark new posts not NEW 3688: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3689: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3690: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3691: my $previous=$env{'form.previous'}; 3692: if ($env{'form.markondisp'}) { $previous=undef; } 3693: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3694: '0','0','','',$previous,'','','','','','',$group); 3695: return OK; 3696: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3697: # ----------------------------------------------------------------- Hide/unhide 3698: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3699: my ($symb,$idx)=split(/\:\:\:/,$entry); 3700: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3701: 3702: my $crs='/'.$env{'request.course.id'}; 3703: if ($env{'request.course.sec'}) { 3704: $crs.='_'.$env{'request.course.sec'}; 3705: } 3706: $crs=~s/\_/\//g; 3707: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3708: 3709: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3710: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3711: undef,undef,$group,); 3712: return OK; 3713: } 3714: 3715: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3716: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3717: $env{'course.'.$env{'request.course.id'}.'.num'}); 3718: 3719: my $currenthidden=$contrib{'hidden'}; 3720: my $currentstudenthidden=$contrib{'studenthidden'}; 3721: 3722: if ($env{'form.hide'}) { 3723: $currenthidden.='.'.$idx.'.'; 3724: unless ($seeid) { 3725: $currentstudenthidden.='.'.$idx.'.'; 3726: } 3727: } else { 3728: $currenthidden=~s/\.$idx\.//g; 3729: } 3730: my %newhash=('hidden' => $currenthidden); 3731: if ( ($env{'form.hide'}) && (!$seeid) ) { 3732: $newhash{'studenthidden'} = $currentstudenthidden; 3733: } 3734: if ($env{'form.hide'}) { 3735: my $changelast = 0; 3736: my $newlast; 3737: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3738: if ($changelast) { 3739: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3740: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3741: $env{'course.'.$env{'request.course.id'}.'.num'}); 3742: } 3743: } 3744: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3745: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3746: $env{'course.'.$env{'request.course.id'}.'.num'}); 3747: 3748: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3749: '0','0','','',$env{'form.previous'},undef,undef,undef, 3750: undef,undef,undef,$group); 3751: return OK; 3752: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3753: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3754: if ($env{'form.cmd'} eq 'threadedon') { 3755: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3756: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3757: } else { 3758: &Apache::lonnet::del('environment',['threadeddiscussion']); 3759: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3760: } 3761: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3762: '0','0','','',$env{'form.previous'},undef,undef,undef, 3763: undef,undef,undef,$group); 3764: return OK; 3765: } elsif ($env{'form.deldisc'}) { 3766: # --------------------------------------------------------------- Hide for good 3767: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3768: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3769: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3770: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3771: $env{'course.'.$env{'request.course.id'}.'.num'}); 3772: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3773: if ($changelast) { 3774: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3775: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3776: } 3777: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3778: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3779: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3780: $env{'course.'.$env{'request.course.id'}.'.num'}); 3781: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3782: '0','0','','',$env{'form.previous'},undef,undef,undef, 3783: undef,undef,undef,$group); 3784: return OK; 3785: } elsif ($env{'form.preview'}) { 3786: # -------------------------------------------------------- User wants a preview 3787: &show_preview($r); 3788: return OK; 3789: } elsif ($env{'form.attach'}) { 3790: # -------------------------------------------------------- Work on attachments 3791: &Apache::loncommon::content_type($r,'text/html'); 3792: $r->send_http_header; 3793: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3794: my (@currnewattach,@currdelold,@keepold,$toolarge); 3795: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3796: if (exists($env{'form.addnewattach.filename'})) { 3797: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3798: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3799: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3800: push(@currnewattach, $newattachment); 3801: } else { 3802: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3803: } 3804: } 3805: my $attachmenturls; 3806: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3807: my $idx = $env{'form.idx'}; 3808: if ($idx) { 3809: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3810: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3811: $env{'course.'.$env{'request.course.id'}.'.num'}); 3812: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3813: } 3814: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3815: $attachmenturls,$attachmax{'text'},$toolarge); 3816: return OK; 3817: } elsif ($env{'form.export'}) { 3818: &Apache::loncommon::content_type($r,'text/html'); 3819: $r->send_http_header; 3820: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3821: my $mode='board'; 3822: my $status='OPEN'; 3823: my $previous=$env{'form.previous'}; 3824: if ($feedurl =~ /$LONCAPA::assess_re/) { 3825: $mode='problem'; 3826: $status=$Apache::inputtags::status[-1]; 3827: } 3828: my $discussion = &list_discussion($mode,$status,$symb); 3829: my $start_page = 3830: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3831: my $end_page = 3832: &Apache::loncommon::end_page(); 3833: $r->print($start_page.$discussion.$end_page); 3834: return OK; 3835: } else { 3836: # ------------------------------------------------------------- Normal feedback 3837: my $feedurl=$env{'form.postdata'}; 3838: $feedurl=~s/^https?\:\/\///; 3839: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3840: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3841: $feedurl=~s/\?.+$//; 3842: 3843: my $symb; 3844: if ($env{'form.replydisc'}) { 3845: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3846: } elsif ($env{'form.editdisc'}) { 3847: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3848: } elsif ($env{'form.origpage'}) { 3849: $symb=""; 3850: } else { 3851: $symb=&Apache::lonnet::symbread($feedurl); 3852: } 3853: unless ($symb) { 3854: $symb=$env{'form.symb'}; 3855: } 3856: if (defined($symb)) { 3857: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3858: } else { 3859: # backward compatibility (bulletin boards used to be 'wrapped') 3860: &Apache::lonenc::check_decrypt(\$feedurl); 3861: &dewrapper(\$feedurl); 3862: } 3863: my $goahead=1; 3864: if ($feedurl=~/$LONCAPA::assess_re/) { 3865: unless ($symb) { $goahead=0; } 3866: } 3867: if (!$goahead) { 3868: # Ambiguous Problem Resource 3869: $r->internal_redirect('/adm/ambiguous'); 3870: return OK; 3871: } 3872: # Go ahead with feedback, no ambiguous reference 3873: unless ( 3874: ( 3875: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3876: ) 3877: || 3878: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3879: || 3880: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3881: ) { 3882: &Apache::loncommon::content_type($r,'text/html'); 3883: $r->send_http_header; 3884: # Unable to give feedback 3885: &Apache::lonenc::check_encrypt(\$feedurl); 3886: &no_redirect_back($r,$feedurl); 3887: return OK; 3888: } 3889: # --------------------------------------------------- Print login screen header 3890: unless ($env{'form.sendit'}) { 3891: &Apache::lonenc::check_encrypt(\$feedurl); 3892: &Apache::loncommon::content_type($r,'text/html'); 3893: $r->send_http_header; 3894: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3895: my ($blocked,$blocktext) = 3896: &Apache::loncommon::blocking_status('boards'); 3897: if ($blocked) { 3898: $r->print(&blocked_reply_or_edit($blocktext)); 3899: return OK; 3900: } 3901: } 3902: my $options=&screen_header($feedurl,$symb,$group); 3903: if ($options) { 3904: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3905: } else { 3906: &fail_redirect($r,$feedurl); 3907: } 3908: return OK; 3909: } 3910: 3911: # Get previous user input 3912: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3913: $symb,$env{'user.name'},$env{'user.domain'}, 3914: $env{'request.course.id'}); 3915: 3916: # Get output from resource 3917: &Apache::lonenc::check_encrypt(\$feedurl); 3918: my $usersaw=&resource_output($feedurl); 3919: 3920: # Get resource answer (need to allow student to view grades for this to work) 3921: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3922: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3923: my $useranswer= 3924: &Apache::loncommon::get_student_answers( 3925: $usersymb,$env{'user.name'},$env{'user.domain'}, 3926: $env{'request.course.id'}); 3927: &Apache::lonnet::delenv('allowed.vgr'); 3928: # Get attachments, if any, and not too large 3929: my $attachmenturl=''; 3930: my $toolarge=''; 3931: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3932: ($env{'form.replydisc'})) { 3933: my ($symb,$idx); 3934: if ($env{'form.replydisc'}) { 3935: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3936: } elsif ($env{'form.editdisc'}) { 3937: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3938: } elsif ($env{'form.origpage'}) { 3939: $symb = $env{'form.symb'}; 3940: } 3941: &Apache::lonenc::check_decrypt(\$symb); 3942: my @currnewattach = (); 3943: my @deloldattach = (); 3944: my @keepold = (); 3945: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3946: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3947: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3948: } elsif ($env{'form.attachment.filename'}) { 3949: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3950: my $now = time; 3951: my $subdir = 'feedback/'.$now; 3952: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3953: } else { 3954: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3955: } 3956: } 3957: # Filter HTML out of message (could be nasty) 3958: my $override; 3959: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 3960: $override = 1; 3961: } 3962: my $message=&clear_out_html($env{'form.comment'},$override); 3963: 3964: # Assemble email 3965: my ($email,$citations)=&assemble_email($message,$prevattempts, 3966: $usersaw,$useranswer); 3967: 3968: # Who gets this? 3969: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3970: 3971: # Actually send mail 3972: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 3973: $feedurl,$email,$citations, 3974: $attachmenturl,$usersymb,%to); 3975: 3976: # Discussion? Store that. 3977: my $numpost=0; 3978: if ( ($env{'form.discuss'} ne '' 3979: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3980: || $env{'form.anondiscuss'} ne '') { 3981: my $subject = &clear_out_html($env{'form.subject'}); 3982: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3983: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3984: $subject,$group); 3985: $numpost++; 3986: } 3987: 3988: # Add to blog? 3989: 3990: my $blog=''; 3991: if ($env{'form.blog'}) { 3992: my $subject = &clear_out_html($env{'form.subject'}); 3993: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3994: $env{'user.domain'}, 3995: 'CourseBlog_'.$env{'request.course.id'}, 3996: $subject,$message,$feedurl,'public'); 3997: if (&Apache::loncommon::course_type() eq 'Community') { 3998: $blog='<br />'.&mt('Added to my community blog').'<br />'; 3999: } else { 4000: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4001: } 4002: } 4003: 4004: # Receipt screen and redirect back to where came from 4005: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4006: } 4007: return OK; 4008: } 4009: 4010: sub blocked_reply_or_edit { 4011: my ($blocktext) = @_; 4012: return 4013: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4014: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4015: &mt('Back to previous page'). 4016: &Apache::loncommon::end_page(); 4017: } 4018: 4019: sub wrap_symb { 4020: my ($ressymb)=@_; 4021: if ($ressymb =~ /bulletin___\d+___/) { 4022: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4023: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4024: } 4025: } 4026: return $ressymb; 4027: } 4028: sub dewrapper { 4029: my ($feedurl)=@_; 4030: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4031: $$feedurl=~s|^/adm/wrapper||; 4032: } 4033: } 4034: 4035: sub get_feedurl { 4036: my ($symb)=@_; 4037: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4038: my $feedurl = &Apache::lonnet::clutter($url); 4039: &dewrapper(\$feedurl); 4040: return $feedurl; 4041: } 4042: 4043: sub get_feedurl_and_clean_symb { 4044: my ($symb)=@_; 4045: &Apache::lonenc::check_decrypt(\$symb); 4046: # backward compatibility (bulletin boards used to be 'wrapped') 4047: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4048: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4049: } 4050: my $feedurl = &get_feedurl($symb); 4051: return ($symb,$feedurl); 4052: } 4053: 4054: sub editing_allowed { 4055: my ($postid,$group) = @_; 4056: $postid = &unescape($postid); 4057: my $can_edit = 0; 4058: if ($group ne '') { 4059: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4060: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4061: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4062: if (&check_group_priv($group,'egp') eq 'ok') { 4063: $can_edit = 1; 4064: } 4065: return $can_edit; 4066: } 4067: } 4068: my $cid = $env{'request.course.id'}; 4069: my $role = (split(/\./,$env{'request.role'}))[0]; 4070: my $section = $env{'request.course.sec'}; 4071: my $allow_editing_config = 4072: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4073: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4074: $can_edit = 1; 4075: } else { 4076: foreach my $editor (split(/,/,$allow_editing_config)) { 4077: my ($editor_role,$editor_sec) = split(/:/,$editor); 4078: if ($editor_role eq $role 4079: && defined($editor_sec) 4080: && defined($section) 4081: && $editor_sec eq $section) { 4082: $can_edit = 1; 4083: last; 4084: } 4085: if ($editor_role eq $role 4086: && !defined($editor_sec)) { 4087: $can_edit = 1; 4088: } 4089: } 4090: } 4091: return $can_edit; 4092: } 4093: 4094: sub check_group_priv { 4095: my ($group,$grp_priv) = @_; 4096: foreach my $priv ('mdg','vcg') { 4097: my $checkcourse = $env{'request.course.id'}. 4098: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4099: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4100: return 'ok'; 4101: } 4102: } 4103: if ($grp_priv && $group ne '') { 4104: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4105: return 'ok'; 4106: } 4107: } 4108: return ''; 4109: } 4110: 4111: sub group_args { 4112: my ($group) = @_; 4113: if ($group eq '') { return ''; } 4114: my $extra_args = '&group='.$group; 4115: if (exists($env{'form.ref'})) { 4116: $extra_args .= '&ref='.$env{'form.ref'}; 4117: } 4118: return $extra_args; 4119: } 4120: 4121: sub get_resource_title { 4122: my ($symb,$feedurl) = @_; 4123: my ($restitle,$plainurl); 4124: if (defined($symb)) { 4125: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4126: $restitle = &Apache::lonnet::gettitle($plain_symb); 4127: } 4128: if (defined($feedurl)) { 4129: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4130: } 4131: if (!defined($restitle)) { 4132: if (defined($feedurl)) { 4133: $restitle = &Apache::lonnet::gettitle($plainurl); 4134: } 4135: } 4136: if ($plainurl ne $feedurl) { 4137: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4138: if ($plain_filename eq $restitle) { 4139: $restitle = &mt('Untitled resource'); 4140: } 4141: } 4142: if ($restitle eq '') { 4143: $restitle = &mt('Untitled resource'); 4144: } 4145: return $restitle; 4146: } 4147: 4148: 1; 4149: __END__ 4150: 4151: 4152: =pod 4153: 4154: =head1 NAME 4155: 4156: Apache::lonfeedback.pm 4157: 4158: =head1 SYNOPSIS 4159: 4160: Handles feedback from students to instructors and system administrators. 4161: 4162: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4163: 4164: Used by lonmsg.pm. 4165: 4166: This is part of the LearningOnline Network with CAPA project 4167: described at http://www.lon-capa.org. 4168: 4169: =head1 OVERVIEW 4170: 4171: None 4172: 4173: =head1 SUBROUTINES 4174: 4175: =over 4176: 4177: =item discussion_open() 4178: 4179: =item discussion_visible() 4180: 4181: =item list_discussion() 4182: 4183: =item send_feedback_link() 4184: 4185: =item send_message_link() 4186: 4187: =item action_links_bar() 4188: 4189: =item postingform_display() 4190: 4191: =item build_posting_display 4192: 4193: =item filter_regexp() 4194: 4195: =item get_post_contents() 4196: 4197: =item replicate_attachments() 4198: 4199: =item mail_screen() 4200: 4201: =item print_display_options() 4202: 4203: =item print_sortfilter_options() 4204: 4205: =item print_showposters() 4206: 4207: =item get_post_versions() 4208: 4209: =item get_post_attachments() 4210: 4211: =item fail_redirect() 4212: 4213: =item redirect_back() 4214: 4215: =item no_redirect_back() 4216: 4217: =item screen_header() 4218: 4219: =item resource_output() 4220: 4221: =item clear_out_html() 4222: 4223: =item assemble_email() 4224: 4225: =item feedback_available() 4226: 4227: =item send_msg() 4228: 4229: =item adddiscuss() 4230: 4231: =item get_discussion_info() 4232: 4233: =item show_preview() 4234: 4235: =item newline_to_br() 4236: 4237: =item tidy_html() 4238: 4239: =item generate_preview_button() 4240: 4241: =item modify_attachments() 4242: 4243: =item process_attachments() 4244: 4245: =item generate_attachments_button() 4246: 4247: =item extract_attachments() 4248: 4249: =item construct_attachmenturl() 4250: 4251: =item add_blog_checkbox() 4252: 4253: =item has_discussion() 4254: 4255: =item sort_filter_names() 4256: 4257: =item handler() 4258: 4259: =item blocked_reply_or_edit() 4260: 4261: =item wrap_symb() 4262: 4263: =item dewrapper() 4264: 4265: =item get_feedurl() 4266: 4267: =item get_feedurl_and_clean_symb() 4268: 4269: =item editing_allowed() 4270: 4271: =item check_group_priv() 4272: 4273: =item group_args() 4274: 4275: =item get_resource_title() 4276: 4277: =back 4278: 4279: =cut