loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.333: download - view: text, annotated - select for diffs
Tue Jan 10 14:52:57 2012 UTC (12 years, 4 months ago) by www
Branches: MAIN
CVS tags: HEAD

Bug #6545: discussion "karma"

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.333 2012/01/10 14:52:57 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 %lt = &Apache::lonlocal::texthash( 300: 'cuse' => 'My settings for this discussion', 301: 'allposts' => 'All posts', 302: 'unread' => 'New posts only', 303: 'unmark' => 'Unread only', 304: 'ondisp' => 'Once displayed', 305: 'onmark' => 'Once marked not NEW', 306: 'toggoff' => 'Off', 307: 'toggon' => 'On', 308: 'disa' => 'Posts to be displayed', 309: 'npce' => 'Posts cease to be marked "NEW"', 310: 'epcb' => 'Each post can be toggled read/unread', 311: 'chgt' => 'Change', 312: 'disp' => 'Display', 313: 'nolo' => 'Not new', 314: 'togg' => 'Toggle read/unread', 315: 'aner' => 'An error occurred opening the manifest file.', 316: 'difo' => 'Discussion for', 317: 'aerr' => 'An error occurred opening the export file for posting', 318: 'aysu' => 'Are you sure you want to delete this post?', 319: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 320: 'bwco' => 'but will continue to be visible to your instructor', 321: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 322: 'discussions' => 'DISCUSSIONS' 323: ); 324: 325: my $currdisp = $lt{'allposts'}; 326: my $currmark = $lt{'onmark'}; 327: my $currtogg = $lt{'toggoff'}; 328: my $dispchange = $lt{'unread'}; 329: my $markchange = $lt{'ondisp'}; 330: my $toggchange = $lt{'toggon'}; 331: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 332: my $displinkA = 'onlyunread'; 333: my $displinkB = 'onlyunmark'; 334: my $marklink = 'markondisp'; 335: my $togglink = 'toggon'; 336: 337: if ($markondisp) { 338: $currmark = $lt{'ondisp'}; 339: $markchange = $lt{'onmark'}; 340: $marklink = 'markonread'; 341: } 342: 343: if ($showonlyunread) { 344: $currdisp = $lt{'unread'}; 345: $dispchange = $lt{'allposts'}; 346: $displinkA = 'allposts'; 347: } 348: 349: if ($showunmark) { 350: $currdisp = $lt{'unmark'}; 351: $dispchange = $lt{'unmark'}; 352: $displinkA='allposts'; 353: $displinkB='onlyunread'; 354: $showonlyunread = 0; 355: } 356: 357: if ($dischash{$toggkey}) { 358: $currtogg = $lt{'toggon'}; 359: $toggchange = $lt{'toggoff'}; 360: $togglink = 'toggoff'; 361: } 362: 363: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 364: 365: if ($newpostsflag) { 366: $chglink .= '&previous='.$prevread; 367: } 368: $chglink.=&group_args($group); 369: 370: if ($visible) { 371: # Print the discusssion 372: if ($outputtarget eq 'tex') { 373: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 374: '\textbf{'.$lt{'discussions'}.'}\makebox[2 cm][b]{\hrulefill}\vskip 0 mm'. 375: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 376: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 377: } elsif ($outputtarget eq 'export') { 378: # Create temporary directory if this is an export 379: my $now = time; 380: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 381: $tempexport = $$imsextras{'tempexport'}; 382: if (!-e $tempexport) { 383: mkdir($tempexport,0700); 384: } 385: $tempexport .= '/'.$$imsextras{'count'}; 386: if (!-e $tempexport) { 387: mkdir($tempexport,0700); 388: } 389: } else { 390: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 391: if (!-e $tempexport) { 392: mkdir($tempexport,0700); 393: } 394: $tempexport .= '/'.$now; 395: if (!-e $tempexport) { 396: mkdir($tempexport,0700); 397: } 398: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 399: } 400: if (!-e $tempexport) { 401: mkdir($tempexport,0700); 402: } 403: # open manifest file 404: my $manifest = '/imsmanifest.xml'; 405: my $manifestfilename = $tempexport.$manifest; 406: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 407: $manifestok=1; 408: print $manifestfile qq|<?xml version="1.0" encoding="UTF-8"?> 409: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 410: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 411: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 412: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 413: <organizations default="$ressymb"> 414: <organization identifier="$ressymb"> 415: <title>$lt{'difo'} $ressymb</title>\n|; 416: } else { 417: $discussion .= $lt{'aner'}.'<br />'; 418: } 419: } else { 420: my $colspan=$maxdepth+1; 421: $discussion.= &Apache::lonhtmlcommon::scripttag(qq| 422: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 423: var symbparm = symb+':::'+idx 424: var prevparm = "" 425: if (newflag == 1) { 426: prevparm = "&previous="+previous 427: } 428: if (caller == 'studentdelete') { 429: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 430: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 431: } 432: } else { 433: if (caller == 'seeiddelete') { 434: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 435: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 436: } 437: } 438: } 439: } 440: |); 441: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 442: "\n".'<table width="100%" class="LC_discussion">'; 443: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 444: $newpostsflag,$group, 445: $prevread,$markondisp); 446: my $escsymb=&escape($ressymb); 447: my $numhidden = keys(%notshown); 448: if ($numhidden > 0) { 449: my $colspan = $maxdepth+1; 450: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 451: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 452: if ($newpostsflag) { 453: $discussion .= '&previous='.$prevread; 454: } 455: $discussion .= &group_args($group); 456: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 457: $numhidden.' '; 458: if ($showunmark) { 459: $discussion .= &mt('posts previously marked read'); 460: } else { 461: $discussion .= &mt('previously viewed posts'); 462: } 463: $discussion .= '<br/></td></tr>'; 464: } 465: } 466: 467: # Choose sort mechanism 468: my @showposts = (); 469: if ($sortposts eq 'descdate') { 470: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 471: } elsif ($sortposts eq 'thread') { 472: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 473: } elsif ($sortposts eq 'subject') { 474: foreach my $key (sort(keys(%subjectsort))) { 475: push(@showposts, @{$subjectsort{$key}}); 476: } 477: } elsif ($sortposts eq 'username') { 478: foreach my $domain (sort(keys(%usernamesort))) { 479: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 480: push(@showposts, @{$usernamesort{$domain}{$key}}); 481: } 482: } 483: } elsif ($sortposts eq 'lastfirst') { 484: foreach my $last (sort(keys(%namesort))) { 485: foreach my $key (sort(keys(%{$namesort{$last}}))) { 486: push(@showposts, @{$namesort{$last}{$key}}); 487: } 488: } 489: } else { 490: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 491: } 492: my $currdepth = 0; 493: my $firstidx = $alldiscussion{$showposts[0]}; 494: foreach my $post (@showposts) { 495: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 496: $alldiscussion{$post} = $post; 497: } 498: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 500: $discussion.="\n<tr>"; 501: } 502: my $thisdepth=$depth[$alldiscussion{$post}]; 503: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 504: for (1..$thisdepth) { 505: $discussion.='<td>    </td>'; 506: } 507: } 508: my $colspan=$maxdepth-$thisdepth+1; 509: if ($outputtarget eq 'tex') { 510: #cleanup block 511: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 512: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 513: my $threadinsert=''; 514: if ($thisdepth > 0) { 515: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 516: } 517: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 518: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 519: 520: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 521: $discussion.=$discussionitems[$alldiscussion{$post}]; 522: } elsif ($outputtarget eq 'export') { 523: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 524: if ($manifestok) { 525: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 526: print $manifestfile ' </item>'."\n"; 527: } 528: $currdepth = $depth[$alldiscussion{$post}]; 529: print $manifestfile "\n". 530: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 531: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 532: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title></item>'; 533: $imsresources .= "\n". 534: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 535: '<file href="'.$postfilename.'">'."\n". 536: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}.'</file>'."\n". 537: '</resource>'; 538: } 539: my $postingfile; 540: my $postingfilename = $tempexport.'/'.$postfilename; 541: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 542: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 543: $imsitems{$alldiscussion{$post}}{'title'}.' '. 544: $imsitems{$alldiscussion{$post}}{'sender'}. 545: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 546: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 547: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 548: close($postingfile); 549: } else { 550: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 551: } 552: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 553: } else { 554: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 555: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 556: '</td></tr>'; 557: } 558: } 559: } 560: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 561: my $colspan=$maxdepth+1; 562: $discussion .= <<END; 563: <tr> 564: <td colspan="$colspan"> 565: <table width="100%"> 566: <tr> 567: <td class="LC_disc_action_left"> 568: <font size="-1"><b>$lt{'cuse'}</b>:  569: END 570: if ($newpostsflag) { 571: $discussion .= 572: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 573: if ($dischash{$toggkey}) { 574: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 575: } 576: } else { 577: if ($dischash{$toggkey}) { 578: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 579: } else { 580: $discussion .= 581: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 582: } 583: } 584: $discussion .= <<END; 585:   <b><a href="$chglink">$lt{'chgt'}</a></b></font> 586: </td> 587: END 588: if ($sortposts) { 589: my %sort_types = (); 590: my %role_types = (); 591: my %status_types = (); 592: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 593: 594: $discussion .= '<td class="LC_disc_action_right"><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 595: if (defined($env{'form.totposters'})) { 596: $discussion .= &mt('Posts by').':'; 597: if ($totposters > 0) { 598: foreach my $poster (@posters) { 599: $discussion .= ' '.$poster.','; 600: } 601: $discussion =~ s/,$//; 602: } else { 603: $discussion .= &mt('None selected'); 604: } 605: } else { 606: my $filterchoice =''; 607: if (@sectionpick > 0) { 608: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 609: $filterchoice .= '    '; 610: } 611: if (@grouppick > 0) { 612: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 613: $filterchoice .= '    '; 614: } 615: if (@rolefilter > 0) { 616: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 617: foreach my $role (@rolefilter) { 618: $filterchoice .= ' '.$role_types{$role}.','; 619: } 620: $filterchoice =~ s/,$//; 621: $filterchoice .= '<br />'.(' ' x8); 622: } 623: if ($statusfilter) { 624: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 625: } 626: if ($filterchoice) { 627: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 628: } 629: } 630: $discussion .= '</font></td>'; 631: 632: } 633: if ($dischash{$toggkey}) { 634: my $storebutton = &mt('Save read/unread changes'); 635: $discussion.='<td align="right">'. 636: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 637: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 638: ' onclick="this.form.submit();" />'."\n". 639: '</td>'; 640: } 641: $discussion .= (<<END); 642: </tr> 643: </table> 644: </td> 645: </tr> 646: END 647: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 648: $newpostsflag,$group, 649: $prevread,$markondisp); 650: $discussion .= "</table></form>\n"; 651: } 652: if ($outputtarget eq 'export') { 653: if ($manifestok) { 654: while ($currdepth > 0) { 655: print $manifestfile " </item>\n"; 656: $currdepth --; 657: } 658: print $manifestfile qq| 659: </organization> 660: </organizations> 661: <resources> 662: $imsresources 663: </resources> 664: </manifest> 665: |; 666: close($manifestfile); 667: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 668: $discussion = $copyresult; 669: } else { 670: 671: #Create zip file in prtspool 672: 673: my $imszipfile = '/prtspool/'. 674: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 675: time.'_'.rand(1000000000).'.zip'; 676: my $cwd = &getcwd(); 677: my $imszip = '/home/httpd/'.$imszipfile; 678: chdir $tempexport; 679: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 680: close(OUTPUT); 681: chdir $cwd; 682: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 683: if ($copyresult) { 684: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 685: } 686: } 687: } else { 688: $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 />'; 689: } 690: return $discussion; 691: } 692: } 693: if ($discussiononly) { 694: my $now = time; 695: my $attachnum = 0; 696: my $currnewattach = []; 697: my $currdelold = []; 698: my $comment = ''; 699: my $subject = ''; 700: if ($env{'form.origpage'}) { 701: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 702: $subject = &unescape($env{'form.subject'}); 703: $comment = &unescape($env{'form.comment'}); 704: my @keepold = (); 705: &process_attachments($currnewattach,$currdelold,\@keepold); 706: if (@{$currnewattach} > 0) { 707: $attachnum += @{$currnewattach}; 708: } 709: } 710: if ((&discussion_open($status)) && ($outputtarget ne 'tex')) { 711: if (($group ne '') && ($mode eq 'board')) { 712: if ((&check_group_priv($group,'pgd') eq 'ok') && 713: ($ressymb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})) { 714: $discussion .= 715: &postingform_display($mode,$ressymb,$now,$subject, 716: $comment,$outputtarget,$attachnum, 717: $currnewattach,$currdelold, 718: $group,$crstype); 719: } 720: } else { 721: if (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 722: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 723: 724: $discussion.= 725: &postingform_display($mode,$ressymb,$now,$subject, 726: $comment,$outputtarget,$attachnum, 727: $currnewattach,$currdelold,'',$crstype); 728: } else { 729: $discussion.= '<span class="LC_feedback_link">'. 730: &mt('This discussion is closed.').'</span>'; 731: } 732: } 733: } 734: if (!(&discussion_open($status)) && ($outputtarget ne 'tex')) { 735: $discussion.= '<span class="LC_feedback_link">'. 736: &mt('This discussion is closed.').'</span>'; 737: } 738: } elsif ($outputtarget ne 'tex') { 739: $discussion.='<div class="LC_feedback_link">'; 740: if (&discussion_open($status) && 741: &Apache::lonnet::allowed('pch', 742: $env{'request.course.id'}. 743: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 744: $discussion.= &send_feedback_link($ressymb); 745: if ($env{'request.role.adv'}) { 746: my $close = &Apache::lonnet::EXT('resource.0.discussend',$ressymb); 747: if (defined($close) && $close ne '' && $close < time) { 748: $discussion .= ' '.&mt('(Closed for [_1] roles)', 749: &Apache::lonnet::plaintext('st',$crstype)); 750: } 751: } 752: } else { 753: $discussion.= '<span class="LC_feedback_link">'.&mt('This discussion is closed.').'</span>'; 754: } 755: $discussion.= &send_message_link($ressymb).'</div>'; 756: } 757: return $discussion; 758: } 759: 760: 761: sub discussion_link { 762: my ($ressymb,$linktext,$cmd,$item,$flag,$prev,$adds,$title)=@_; 763: my $link='/adm/feedback?inhibitmenu=yes&modal=yes&'.$cmd.'='.&escape($ressymb).':::'.$item; 764: if ($flag) { $link .= '&previous='.$prev; } 765: if ($adds) { $link .= $adds; } 766: my $width=600; 767: my $height=600; 768: if (($cmd eq 'hide') || ($cmd eq 'unhide') || ($cmd eq 'like') || ($cmd eq 'unlike')) { 769: $width=300; 770: $height=200; 771: } 772: return &Apache::loncommon::modal_link($link,$linktext,$width,$height,undef,undef,$title); 773: } 774: 775: 776: sub send_feedback_link { 777: my ($ressymb) = @_; 778: return '<span class="LC_feedback_link">'. 779: &discussion_link($ressymb, 780: '<img alt="" class="LC_noBorder" src="'. 781: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 782: '" border="0" /><span class="LC_menubuttons_inline_text">'.&mt('Post Discussion').'</span>', 783: 'replydisc'). 784: '</span>'; 785: } 786: 787: sub send_message_link { 788: my ($ressymb) = @_; 789: my $output = '<span class="LC_message_link">'. 790: &discussion_link($ressymb, 791: '<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>', 794: 'sendmessageonly'). 795: '</span>'; 796: return $output; 797: } 798: 799: sub action_links_bar { 800: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 801: my $discussion = '<tr><td colspan="'.$colspan.'">'. 802: '<table width="100%"><tr>'. 803: '<td class="LC_disc_action_left">'; 804: my $escsymb=&escape($ressymb); 805: if ($visible) { 806: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 807: if ($newpostsflag) { 808: $discussion .= '&previous='.$prevread; 809: } 810: $discussion .= &group_args($group); 811: $discussion .='">'.&mt('Threaded View').'</a>  '. 812: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 813: if ($newpostsflag) { 814: $discussion .= '&previous='.$prevread; 815: } 816: $discussion .= &group_args($group); 817: $discussion .='">'.&mt('Chronological View').'</a>  '; 818: 819: my $otherviewurl='/adm/feedback?cmd=sortfilter&symb='.$escsymb.'&inhibitmenu=yes&modal=yes'; 820: if ($newpostsflag) { 821: $otherviewurl .= '&previous='.$prevread; 822: } 823: $otherviewurl .= &group_args($group); 824: $discussion .= &Apache::loncommon::modal_link($otherviewurl,&mt('Other Views ...'),800,340); 825: $discussion .= '<br />'; 826: } 827: $discussion .='<a href="/adm/feedback?export='.$escsymb; 828: if ($newpostsflag) { 829: $discussion .= '&previous='.$prevread; 830: } 831: $discussion .= &group_args($group); 832: $discussion .= '">'.&mt('Export').'</a>'; 833: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) { 834: $discussion .= '  '; 835: $discussion .='<a href="/adm/feedback?undeleteall='.$escsymb; 836: if ($newpostsflag) { 837: $discussion .= '&previous='.$prevread; 838: } 839: $discussion .= &group_args($group); 840: $discussion .= '">'.&mt('Undelete all deleted entries').'</a>'; 841: } 842: $discussion.='</td>'; 843: if ($newpostsflag) { 844: if (!$markondisp) { 845: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 846: $discussion .= &group_args($group); 847: $discussion .= '">'. 848: &mt('My general preferences on what is marked as NEW'). 849: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 850: $discussion .= &group_args($group); 851: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a></td>'; 852: } else { 853: $discussion .= '<td> </td>'; 854: } 855: } else { 856: $discussion .= '<td> </td>'; 857: } 858: $discussion .= '</tr></table></td></tr>'; 859: return $discussion; 860: } 861: 862: sub postingform_display { 863: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 864: $currnewattach,$currdelold,$group,$crstype) = @_; 865: my $newattachmsg; 866: my %lt = &Apache::lonlocal::texthash( 867: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 868: 'title' => 'Title', 869: 'podi' => 'Post Discussion', 870: 'poan' => 'Post Anonymous Discussion', 871: 'newa' => 'New attachments', 872: ); 873: if ($crstype eq 'Community') { 874: $lt{'note'} = &mt('Note: in anonymous discussion, your name is visible only to community facilitators'); 875: } 876: my ($postingform,$textareaclass); 877: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 878: $postingform = &Apache::lonhtmlcommon::htmlareaselectactive(); 879: $textareaclass = 'class="LC_richDefaultOff"'; 880: if ($env{'request.course.id'}) { 881: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 882: undef($textareaclass); 883: } 884: } 885: } 886: $postingform .= (<<ENDDISCUSS); 887: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 888: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 889: <input type="hidden" name="sendit" value="true" /> 890: <input type="hidden" name="timestamp" value="$now" /> 891: <a name="newpost"></a> 892: <font size="1">$lt{'note'}</font><br /> 893: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /> 894: <textarea name="comment" cols="80" rows="14" id="comment" $textareaclass>$comment</textarea> 895: ENDDISCUSS 896: if ($env{'form.origpage'}) { 897: $postingform .= '<input type="hidden" name="origpage" value="'. 898: $env{'form.origpage'}.'" />'."\n"; 899: foreach my $att (@{$currnewattach}) { 900: $postingform .= '<input type="hidden" name="currnewattach" '. 901: 'value="'.$att.'" />'."\n"; 902: } 903: } 904: if (exists($env{'form.ref'})) { 905: $postingform .= '<input type="hidden" name="ref" value="'. 906: $env{'form.ref'}.'" />'; 907: } 908: if ($group ne '') { 909: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 910: } 911: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 912: if (!$blockblog) { 913: $postingform .= &add_blog_checkbox($crstype); 914: } 915: $postingform .= "</form>\n"; 916: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 917: $now,$currnewattach, 918: $currdelold,'',$mode, 919: $blockblog); 920: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 921: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 922: if (@{$currnewattach} > 1) { 923: $newattachmsg .= '<ol>'; 924: foreach my $item (@{$currnewattach}) { 925: $item =~ m#.*/([^/]+)$#; 926: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 927: } 928: $newattachmsg .= '</ol>'."\n"; 929: } else { 930: $$currnewattach[0] =~ m#.*/([^/]+)$#; 931: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 932: } 933: } 934: $postingform .= $newattachmsg; 935: $postingform .= &generate_preview_button(); 936: return $postingform; 937: } 938: 939: sub build_posting_display { 940: 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) = @_; 941: my @original=(); 942: my @index=(); 943: my $skip_group_check = 0; 944: my $symb=&Apache::lonenc::check_decrypt($ressymb); 945: my $escsymb=&escape($ressymb); 946: # These are the discussion contributions 947: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 948: $env{'course.'.$env{'request.course.id'}.'.domain'}, 949: $env{'course.'.$env{'request.course.id'}.'.num'}); 950: # And these are the likes/unlikes 951: my %likes=&Apache::lonnet::dump('disclikes', 952: $env{'course.'.$env{'request.course.id'}.'.domain'}, 953: $env{'course.'.$env{'request.course.id'}.'.num'}, 954: '^'.$symb.':'); 955: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 956: # Array with likes to figure out averages, etc. 957: my @theselikes=(); 958: # Is the user allowed to see the real name behind anonymous postings? 959: my $see_anonymous = 960: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 961: 962: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 963: $skip_group_check = 1; 964: } 965: # Deletions and hiddens are just lists. Split them up into a hash for quicker lookup 966: my (%deletions,%hiddens); 967: if ($contrib{'deleted'}) { 968: my $deleted = $contrib{'deleted'}; 969: $deleted =~ s/^\.//; 970: $deleted =~ s/\.$//; 971: %deletions = map { $_ => 1 } (split(/\.\./,$deleted)); 972: } 973: if ($contrib{'hidden'}) { 974: my $hidden = $contrib{'hidden'}; 975: $hidden =~ s/^\.//; 976: $hidden =~ s/\.$//; 977: %hiddens = map { $_ => 1 } (split(/\.\./,$hidden)); 978: } 979: # Versions if store/restore are used to actually store the messages. 980: if ($contrib{'version'}) { 981: my $oldest = $contrib{'1:timestamp'}; 982: if ($prevread eq '0') { 983: $prevread = $oldest-1; 984: } 985: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 986: if ($sortposts) { 987: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 988: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 989: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 990: } 991: # We need to go through this twice, first to get the likes/dislikes, then to actually build the display 992: for (my $id=1;$id<=$contrib{'version'};$id++) { 993: my $idx=$id; 994: next if ($contrib{$idx.':deleted'}); 995: next if ($contrib{$idx.':hidden'}); 996: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx}) || (!$contrib{$idx.':message'})) { 997: push(@theselikes,$likes{$symb.':'.$idx.':likes'}); 998: } 999: } 1000: # Figure out average likes and standard deviation if there are enough discussions to warrant that 1001: my $ave=0; 1002: my $stddev=10000; 1003: if ($#theselikes>1) { 1004: my $sum=0; 1005: my $num=$#theselikes+1; 1006: foreach my $thislike (@theselikes) { 1007: $sum+=$thislike; 1008: } 1009: $ave=$sum/$num; 1010: my $sumsq=0; 1011: foreach my $thislike (@theselikes) { 1012: $sumsq+=($thislike-$ave)*($thislike-$ave); 1013: } 1014: $stddev=sqrt($sumsq/$num); 1015: } 1016: # Now we know the average likes $ave and the standard deviation $stddev 1017: # Get the boundaries for markup 1018: my $oneplus=$ave+$stddev; 1019: my $twoplus=$ave+2.*$stddev; 1020: my $oneminus=$ave-$stddev; 1021: my $twominus=$ave-2.*$stddev; 1022: # 1023: # This is now the real loop. Go through all entries, pick up what we need 1024: # 1025: for (my $id=1;$id<=$contrib{'version'};$id++) { 1026: my $idx=$id; 1027: next if ($contrib{$idx.':deleted'}); 1028: next if ($contrib{$idx.':hidden'}); 1029: # If we get here, we are actually going to display the message - we don't know where and we don't know if we display 1030: # previous edits, but it counts as one entry 1031: my $posttime = $contrib{$idx.':timestamp'}; 1032: if ($prevread <= $posttime) { 1033: $$newpostsflag = 1; 1034: } 1035: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 1036: my $origindex='0.'; 1037: my $numoldver=0; 1038: if ($contrib{$idx.':replyto'}) { 1039: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1040: # this is a follow-up message 1041: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 1042: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 1043: $origindex=$index[$contrib{$idx.':replyto'}]; 1044: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 1045: } else { 1046: $original[$idx]=0; 1047: $$depth[$idx]=0; 1048: } 1049: } else { 1050: # this is an original message 1051: $original[$idx]=0; 1052: $$depth[$idx]=0; 1053: } 1054: if ($$replies[$$depth[$idx]]) { 1055: $$replies[$$depth[$idx]]++; 1056: } else { 1057: $$replies[$$depth[$idx]]=1; 1058: } 1059: unless ((($hiddens{$idx}) && (!$seeid)) || ($deletions{$idx})) { 1060: $$visible++; 1061: if ($contrib{$idx.':history'}) { 1062: if ($contrib{$idx.':history'} =~ /:/) { 1063: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1064: $numoldver = @oldversions; 1065: } else { 1066: $numoldver = 1; 1067: } 1068: } 1069: $$current = $numoldver; 1070: my %messages = (); 1071: my %subjects = (); 1072: my %attachtxt = (); 1073: my %allattachments = (); 1074: my ($screenname,$plainname); 1075: my $sender = &mt('Anonymous'); 1076: # Anonymous users getting number within a discussion 1077: # Since idx is in static order, this should give the same sequence every time. 1078: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 1079: unless ($$anonhash{$key}) { 1080: $anoncnt++; 1081: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 1082: } 1083: my ($message,$subject,$vgrlink,$ctlink); 1084: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 1085: 1086: 1087: # Set up for sorting by subject 1088: unless ($outputtarget eq 'export') { 1089: $message=$messages{$numoldver}; 1090: $message.=$attachtxt{$numoldver}; 1091: $subject=$subjects{$numoldver}; 1092: if ($message) { 1093: if ($hiddens{$idx}) { 1094: $message='<font color="#888888">'.$message.'</font>'; 1095: if ($studenthidden) { 1096: $message .='<br /><br />Deleted by poster (student).'; 1097: } 1098: } 1099: 1100: if ($subject eq '') { 1101: if (defined($$subjectsort{'__No subject'})) { 1102: push(@{$$subjectsort{'__No subject'}}, $idx); 1103: } else { 1104: @{$$subjectsort{'__No subject'}} = ("$idx"); 1105: } 1106: } else { 1107: if (defined($$subjectsort{$subject})) { 1108: push(@{$$subjectsort{$subject}}, $idx); 1109: } else { 1110: @{$$subjectsort{$subject}} = ("$idx"); 1111: } 1112: } 1113: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1114: $sender=&Apache::loncommon::aboutmewrapper( 1115: $plainname, 1116: $contrib{$idx.':sendername'}, 1117: $contrib{$idx.':senderdomain'}).' ('. 1118: $contrib{$idx.':sendername'}.':'. 1119: $contrib{$idx.':senderdomain'}.')'; 1120: $sender = '<b>'.$sender.'</b>'; 1121: if ($contrib{$idx.':anonymous'}) { 1122: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1123: $screenname; 1124: } 1125: if ($see_anonymous) { 1126: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1127: } 1128: # Set up for sorting by domain, then username 1129: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1130: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1131: } 1132: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1133: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1134: } else { 1135: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1136: } 1137: # Set up for sorting by last name, then first name 1138: my %names = &Apache::lonnet::get('environment', 1139: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1140: ,$contrib{$idx.':sendername'}); 1141: my $lastname = $names{'lastname'}; 1142: my $firstname = $names{'firstname'}; 1143: if ($lastname eq '') { 1144: $lastname = '_'; 1145: } 1146: if ($firstname eq '') { 1147: $firstname = '_'; 1148: } 1149: unless (defined($$namesort{$lastname})) { 1150: %{$$namesort{$lastname}} = (); 1151: } 1152: if (defined($$namesort{$lastname}{$firstname})) { 1153: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1154: } else { 1155: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1156: } 1157: if ($outputtarget ne 'tex') { 1158: my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 1159: for (my $i=1;$i<=$karma;$i++) { 1160: $sender.='<img border="0" src="/res/adm/pages/star.gif" alt="'.&mt('Contributor Kudos').'" />'; 1161: } 1162: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) { 1163: $sender.=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting")); 1164: } 1165: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) { 1166: $sender.=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />',,'unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting")); 1167: } 1168: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1169: if ($thislikes>0) { 1170: $sender.=' ('.&mt("[_1] likes",$thislikes).')'; 1171: } elsif ($thislikes<0) { 1172: $sender.=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; 1173: } 1174: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1175: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1176: $sender.=' '. 1177: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1178: unless ($seeid) { 1179: my $grpargs = &group_args($group); 1180: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1181: $sender .= '">'.&mt('Delete').'</a>'; 1182: } 1183: } 1184: } 1185: if ($seeid) { 1186: if ($hiddens{$idx}) { 1187: unless ($studenthidden) { 1188: $sender.=' '. 1189: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1190: } 1191: } else { 1192: $sender.=' '. 1193: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1194: } 1195: my $grpargs = &group_args($group); 1196: $sender.= 1197: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1198: $sender .= &mt('Delete').'</a>'; 1199: } 1200: } 1201: } else { 1202: if ($screenname) { 1203: $sender='<i>'.$screenname.'</i>'; 1204: } else { 1205: $sender='<i>'.$$anonhash{$key}.'</i>'; 1206: } 1207: $sender = '<b>'.$sender.'</b>'; 1208: # Set up for sorting by domain, then username for anonymous 1209: unless (defined($$usernamesort{'__anon'})) { 1210: %{$$usernamesort{'__anon'}} = (); 1211: } 1212: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1213: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1214: } else { 1215: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1216: } 1217: # Set up for sorting by last name, then first name for anonymous 1218: unless (defined($$namesort{'__anon'})) { 1219: %{$$namesort{'__anon'}} = (); 1220: } 1221: if (defined($$namesort{'__anon'}{'__anon'})) { 1222: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1223: } else { 1224: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1225: } 1226: } 1227: if ($outputtarget ne 'tex') { 1228: if (&discussion_open($status)) { 1229: if (($group ne '') && 1230: (&check_group_priv($group,'pgd') eq 'ok')) { 1231: $sender.=' '. 1232: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1233: } elsif (&Apache::lonnet::allowed('pch', 1234: $env{'request.course.id'}. 1235: ($env{'request.course.sec'}?'/'. 1236: $env{'request.course.sec'}:''))) { 1237: $sender.=' '. 1238: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread); 1239: } 1240: } 1241: if ($viewgrades) { 1242: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1243: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1244: } 1245: if ($$dischash{$readkey}=~/\.$idx\./) { 1246: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1247: } else { 1248: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1249: } 1250: } 1251: } 1252: #figure out at what position this needs to print 1253: } 1254: if ($outputtarget eq 'export' || $message) { 1255: my $thisindex=$idx; 1256: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1257: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1258: } 1259: $$alldiscussion{$thisindex}=$idx; 1260: $$shown{$idx} = 0; 1261: $index[$idx]=$thisindex; 1262: } 1263: if ($outputtarget eq 'export') { 1264: %{$$imsitems{$idx}} = (); 1265: $$imsitems{$idx}{'isvisible'}='true'; 1266: if ($hiddens{$idx}) { 1267: $$imsitems{$idx}{'isvisible'}='false'; 1268: } 1269: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1270: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1271: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1272: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1273: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1274: $contrib{$idx.':sendername'}.':'. 1275: $contrib{$idx.':senderdomain'}.')'; 1276: $$imsitems{$idx}{'isanonymous'}='false'; 1277: if ($contrib{$idx.':anonymous'}) { 1278: $$imsitems{$idx}{'isanonymous'}='true'; 1279: } 1280: $$imsitems{$idx}{'currversion'}=$numoldver; 1281: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1282: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1283: $$shown{$idx} = 1; 1284: } 1285: } else { 1286: if ($message) { 1287: my $spansize = 2; 1288: if ($showonlyunread && $prevread > $posttime) { 1289: $$notshown{$idx} = 1; 1290: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1291: $$notshown{$idx} = 1; 1292: } else { 1293: # apply filters 1294: my $uname = $contrib{$idx.':sendername'}; 1295: my $udom = $contrib{$idx.':senderdomain'}; 1296: my $poster = $uname.':'.$udom; 1297: if ($env{'form.totposters'} ne '') { 1298: if ($totposters == 0) { 1299: $$shown{$idx} = 0; 1300: } elsif ($totposters > 0) { 1301: if (grep/^$poster$/,@{$posters}) { 1302: $$shown{$idx} = 1; 1303: } 1304: } 1305: } elsif ($sortposts) { 1306: if ($skiptest) { 1307: $$shown{$idx} = 1; 1308: } else { 1309: foreach my $role (@{$$roleinfo{$poster}}) { 1310: if ($role =~ /^cc:/) { 1311: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1312: if ($role =~ /$cc_regexp/) { 1313: $$shown{$idx} = 1; 1314: last; 1315: } 1316: } elsif ($role =~ /^$rolematch$/) { 1317: $$shown{$idx} = 1; 1318: last; 1319: } 1320: } 1321: } 1322: if ($$shown{$idx} && !$skip_group_check) { 1323: my $showflag = 0; 1324: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1325: foreach my $grp (@{$grouppick}) { 1326: if (grep/^\Q$grp\E$/, 1327: keys(%{$$classgroups{$poster}{active}})) { 1328: $showflag = 1; 1329: last; 1330: } 1331: } 1332: } 1333: if ($showflag) { 1334: $$shown{$idx} = 1; 1335: } else { 1336: $$shown{$idx} = 0; 1337: } 1338: } 1339: } else { 1340: $$shown{$idx} = 1; 1341: } 1342: } 1343: unless ($$notshown{$idx} == 1) { 1344: if ($prevread > 0 && $prevread <= $posttime) { 1345: $$newitem{$idx} = 1; 1346: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>'; 1347: } else { 1348: $$newitem{$idx} = 0; 1349: } 1350: $$discussionitems[$idx] .= '<b>'.$subject.'</b>  '. 1351: $sender.' '.$vgrlink.' ('. 1352: &Apache::lonlocal::locallocaltime($posttime).')'; 1353: if ($$dischash{$toggkey}) { 1354: $$discussionitems[$idx].='  '.$ctlink; 1355: } 1356: # Figure out size based on likes 1357: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1358: my $likesize="100"; 1359: if ($thislikes>$twoplus) { 1360: $likesize="200"; 1361: } elsif ($thislikes>$oneplus) { 1362: $likesize="150"; 1363: } 1364: if ($thislikes<$twominus) { 1365: $likesize="50"; 1366: } elsif ($thislikes<$oneminus) { 1367: $likesize="75"; 1368: } 1369: $$discussionitems[$idx].= '<br /><blockquote>'. 1370: "<div style='font-size:$likesize%'>". 1371: $message. 1372: '</div></blockquote>'; 1373: if ($contrib{$idx.':history'}) { 1374: my @postversions = (); 1375: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1376: if ($seeid) { 1377: $$discussionitems[$idx] .= '  '. 1378: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group)); 1379: } 1380: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1381: if ($contrib{$idx.':history'} =~ m/:/) { 1382: @postversions = split(/:/,$contrib{$idx.':history'}); 1383: } else { 1384: @postversions = ("$contrib{$idx.':history'}"); 1385: } 1386: for (my $i=0; $i<@postversions; $i++) { 1387: my $version = $i+1; 1388: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1389: } 1390: } 1391: # end of unless ($$notshown ...) 1392: } 1393: # end of if ($message) ... 1394: } 1395: # end of the else-branch of target being export 1396: } 1397: # end of unless hidden or deleted 1398: } 1399: # end of the loop over all discussion entries 1400: } 1401: # end of "if there actually are any discussions 1402: } 1403: # end of subroutine "build_posting_display" 1404: } 1405: 1406: sub filter_regexp { 1407: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1408: my ($roleregexp,$secregexp,$statusregexp); 1409: my $skiptest = 1; 1410: if (@{$rolefilter} > 0) { 1411: my @okrolefilter = (); 1412: foreach my $role (@{$rolefilter}) { 1413: unless ($role eq '') { 1414: push(@okrolefilter, $role); 1415: } 1416: } 1417: if (@okrolefilter > 0) { 1418: if (grep/^all$/,@okrolefilter) { 1419: $roleregexp='[^:]+'; 1420: } else { 1421: if (@okrolefilter == 1) { 1422: $roleregexp=$okrolefilter[0]; 1423: } else { 1424: $roleregexp='('.join('|',@okrolefilter).')'; 1425: } 1426: $skiptest = 0; 1427: } 1428: } 1429: } 1430: if (@{$sectionpick} > 0) { 1431: my @oksectionpick = (); 1432: foreach my $sec (@{$sectionpick}) { 1433: unless ($sec eq '') { 1434: push(@oksectionpick, $sec); 1435: } 1436: } 1437: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1438: if (@oksectionpick == 1) { 1439: $secregexp = $oksectionpick[0]; 1440: } else { 1441: $secregexp .= '('.join('|',@oksectionpick).')'; 1442: } 1443: $skiptest = 0; 1444: } else { 1445: $secregexp .= '[^:]*'; 1446: } 1447: } 1448: 1449: if (defined($statusfilter) && $statusfilter ne '') { 1450: if ($statusfilter eq 'all') { 1451: $statusregexp = '[^:]+'; 1452: } else { 1453: $statusregexp = $statusfilter; 1454: $skiptest = 0; 1455: } 1456: } 1457: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1458: } 1459: 1460: 1461: sub get_post_contents { 1462: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1463: my $discussion = ''; 1464: my $start=$numver; 1465: my $end=$numver + 1; 1466: %{$$imsfiles{$idx}}=(); 1467: if ($type eq 'allversions') { 1468: unless($seeid) { 1469: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1470: return $discussion; 1471: } 1472: } 1473: # $$screenname=&Apache::loncommon::screenname( 1474: # $$contrib{$idx.':sendername'}, 1475: # $$contrib{$idx.':senderdomain'}); 1476: $$plainname=&Apache::loncommon::nickname( 1477: $$contrib{$idx.':sendername'}, 1478: $$contrib{$idx.':senderdomain'}); 1479: $$screenname=$$contrib{$idx.':screenname'}; 1480: 1481: my $sender=&Apache::loncommon::aboutmewrapper( 1482: $$plainname, 1483: $$contrib{$idx.':sendername'}, 1484: $$contrib{$idx.':senderdomain'}).' ('. 1485: $$contrib{$idx.':sendername'}.':'. 1486: $$contrib{$idx.':senderdomain'}.')'; 1487: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1488: my @postversions = (); 1489: if ($type eq 'allversions' || $type eq 'export') { 1490: $start = 0; 1491: if ($$contrib{$idx.':history'}) { 1492: @postversions = split(/:/,$$contrib{$idx.':history'}); 1493: } 1494: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1495: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1496: push(@postversions,$$contrib{$idx.':timestamp'}); 1497: $end = @postversions; 1498: } else { 1499: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1500: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1501: } 1502: 1503: if ($$contrib{$idx.':anonymous'}) { 1504: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1505: } 1506: if ($type eq 'allversions') { 1507: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1508: } 1509: for (my $i=$start; $i<$end; $i++) { 1510: my ($timesent,$attachmsg); 1511: my %currattach = (); 1512: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1513: unless (&contains_block_html($messages->{$i})) { 1514: &newline_to_br(\$messages->{$i}); 1515: } 1516: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1517: $$subjects{$i}=~s/\n/\<br \/\>/g; 1518: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1519: if ($attachmenturls) { 1520: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1521: } 1522: if ($type eq 'export') { 1523: $$imsfiles{$idx}{$i} = ''; 1524: if ($attachmsg) { 1525: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1526: foreach my $key (sort(keys(%currattach))) { 1527: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1528: my $fname = $1.$3.'/'.$4; 1529: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1530: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1531: } 1532: } 1533: } 1534: } else { 1535: if ($attachmsg) { 1536: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1537: } else { 1538: $$attachtxt{$i} = ''; 1539: } 1540: } 1541: if ($type eq 'allversions') { 1542: $discussion.= <<"END"; 1543: <li><b>$$subjects{$i}</b>, $timesent<br /> 1544: $$messages{$i}<br /> 1545: $$attachtxt{$i}</li> 1546: END 1547: } 1548: } 1549: if ($type eq 'allversions') { 1550: $discussion.='</ul>'; 1551: return $discussion; 1552: } else { 1553: return; 1554: } 1555: } 1556: 1557: sub replicate_attachments { 1558: my ($attachrefs,$tempexport) = @_; 1559: my $response; 1560: foreach my $id (keys(%{$attachrefs})) { 1561: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1562: my $path = $tempexport; 1563: my $tail = $1.'/'.$2.$4; 1564: my @extras = split(/\//,$tail); 1565: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1566: if (!-e $destination) { 1567: my $i= 0; 1568: while ($i<@extras) { 1569: $path .= '/'.$extras[$i]; 1570: if (!-e $path) { 1571: mkdir($path,0700); 1572: } 1573: $i ++; 1574: } 1575: my ($content,$rtncode); 1576: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1577: if ($uploadreply eq 'ok') { 1578: my $attachcopy; 1579: if ($attachcopy = Apache::File->new('>'.$destination)) { 1580: print $attachcopy $content; 1581: close($attachcopy); 1582: } else { 1583: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1584: } 1585: } else { 1586: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1587: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1588: } 1589: } 1590: } 1591: } 1592: return $response; 1593: } 1594: 1595: sub mail_screen { 1596: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1597: if (exists($env{'form.origpage'})) { 1598: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1599: } 1600: 1601: my %lt = &Apache::lonlocal::texthash( 1602: 'myqu' => 'My question/comment/feedback:', 1603: 'title' => 'Title', 1604: 'reta' => 'Retained attachments', 1605: 'atta' => 'Attachment', 1606: ); 1607: my $restitle = &get_resource_title($caller_symb,$feedurl); 1608: my $quote=''; 1609: my $subject = ''; 1610: my $comment = ''; 1611: my $prevtag = ''; 1612: my $parentmsg = ''; 1613: my ($symb,$idx,$attachmenturls); 1614: my $numoldver = 0; 1615: my $attachmsg = ''; 1616: my $newattachmsg = ''; 1617: my @currnewattach = (); 1618: my @currdelold = (); 1619: my @keepold = (); 1620: my %attachments = (); 1621: my %currattach = (); 1622: my $attachnum = 0; 1623: my $anonchk = (<<END); 1624: function anonchk() { 1625: for (var i=0; i < document.mailform.discuss.length; i++) { 1626: if (document.mailform.discuss[i].checked) { 1627: document.attachment.discuss.value = 1628: document.mailform.discuss[i].value; 1629: } 1630: } 1631: if (document.mailform.blog.checked) { 1632: document.attachment.blog.value = 1; 1633: } 1634: return 1635: } 1636: END 1637: my $anonscript; 1638: if (exists($env{'form.origpage'})) { 1639: $anonscript = (<<END); 1640: function setposttype() { 1641: var disc = "$env{'form.discuss'}"; 1642: for (var i=0; i < document.mailform.discuss.length; i++) { 1643: if (disc == document.mailform.discuss[i].value) { 1644: document.mailform.discuss[i].checked = 1; 1645: } 1646: } 1647: var blog = "$env{'form.blog'}"; 1648: if (blog == 1) { 1649: document.mailform.blog.checked=1; 1650: } 1651: return 1652: } 1653: END 1654: } else { 1655: $anonscript = (<<END); 1656: function setposttype() { 1657: return 1658: } 1659: END 1660: } 1661: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1662: if ($env{'form.replydisc'}) { 1663: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1664: } else { 1665: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1666: } 1667: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1668: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1669: $env{'course.'.$env{'request.course.id'}.'.num'}); 1670: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1671: if ($contrib{$idx.':history'}) { 1672: if ($contrib{$idx.':history'} =~ /:/) { 1673: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1674: $numoldver = @oldversions; 1675: } else { 1676: $numoldver = 1; 1677: } 1678: } 1679: if ($env{'form.replydisc'}) { 1680: if ($contrib{$idx.':history'}) { 1681: if ($contrib{$idx.':history'} =~ /:/) { 1682: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1683: $numoldver = @oldversions; 1684: } else { 1685: $numoldver = 1; 1686: } 1687: } 1688: if ($idx > 0) { 1689: my %msgversions = (); 1690: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1691: $quote = $msgversions{$numoldver}; 1692: } 1693: if ($idx > 0) { 1694: my %subversions = (); 1695: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1696: $subject = &mt('Re: ').$subversions{$numoldver}; 1697: } 1698: $subject = &HTML::Entities::encode($subject,'<>&"'); 1699: } else { 1700: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1701: if ($idx > 0) { 1702: my %msgversions = (); 1703: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1704: $comment = $msgversions{$numoldver}; 1705: my %subversions = (); 1706: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1707: $subject = $subversions{$numoldver}; 1708: } 1709: if (defined($contrib{$idx.':replyto'})) { 1710: $parentmsg = $contrib{$idx.':replyto'}; 1711: } 1712: unless (exists($env{'form.origpage'})) { 1713: my $anonflag = 'nonanon'; 1714: if ($contrib{$idx.':anonymous'}) { 1715: $anonflag = 'anon'; 1716: } 1717: $anonscript = (<<END); 1718: function setposttype () { 1719: var currtype = "$anonflag"; 1720: for (var i=0; i<document.mailform.discuss.length; i++) { 1721: if (document.mailform.elements.discuss[i].value == currtype ) { 1722: document.mailform.elements.discuss[i].checked=1; 1723: } 1724: } 1725: return 1726: } 1727: END 1728: } 1729: } 1730: } 1731: if ($env{'form.previous'}) { 1732: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1733: } 1734: } 1735: 1736: if ($env{'form.origpage'}) { 1737: $subject = &unescape($env{'form.subject'}); 1738: $comment = &unescape($env{'form.comment'}); 1739: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1740: } 1741: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0)); 1742: my $send=&mt('Send'); 1743: my $alert = &mt('Please select a feedback type.'); 1744: my $js= <<END; 1745: <script type="text/javascript"> 1746: // 1780: </script> 1781: END 1782: 1783: my ($textareaheader,$textareaclass); 1784: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1785: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1786: $textareaclass = 'class="LC_richDefaultOff"'; 1787: if ($env{'request.course.id'}) { 1788: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1789: undef($textareaclass); 1790: } 1791: } 1792: } 1793: 1794: # Breadcrumbs 1795: my $brcrum = [{'href' => '', 1796: 'text' => 'Resource Feedback and Discussion'}]; 1797: 1798: my %onload = ('onload' => 'window.focus();setposttype();'); 1799: my %parms=('add_entries' => \%onload); 1800: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1801: my $start_page= 1802: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1803: 1804: if ($quote ne '') { 1805: $quote = &HTML::Entities::decode($quote); 1806: unless (&contains_block_html($quote)) { 1807: &newline_to_br(\$quote); 1808: } 1809: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1810: } 1811: my $header=''; 1812: unless ($env{'form.modal'}) { 1813: $header="<h2><tt>$restitle</tt></h2>"; 1814: } 1815: $r->print(<<END); 1816: $start_page 1817: $header 1818: <form action="/adm/feedback" method="post" name="mailform" 1819: enctype="multipart/form-data"> 1820: $prevtag 1821: <input type="hidden" name="postdata" value="$feedurl" /> 1822: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1823: END 1824: if ($env{'form.replydisc'}) { 1825: $r->print(<<END); 1826: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1827: END 1828: } elsif ($env{'form.editdisc'}) { 1829: $r->print(<<END); 1830: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1831: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1832: END 1833: } 1834: $r->print(<<END); 1835: $options 1836: $quote 1837: <p>$lt{'myqu'} 1838: $textareaheader 1839: </p> 1840: <p> 1841: $latexHelp 1842: </p> 1843: <p> 1844: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1845: <p> 1846: <textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>$comment 1847: </textarea></p> 1848: END 1849: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1850: if ($env{'form.origpage'}) { 1851: foreach my $attach (@currnewattach) { 1852: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1853: } 1854: foreach my $oldatt (@currdelold) { 1855: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1856: } 1857: } 1858: if ($env{'form.editdisc'}) { 1859: if ($attachmenturls) { 1860: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1861: $attachnum = scalar(keys(%currattach)); 1862: foreach my $key (keys(%currattach)) { 1863: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1864: } 1865: } 1866: } 1867: } else { 1868: $r->print(<<END); 1869: <p> 1870: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1871: </p> 1872: END 1873: } 1874: if (exists($env{'form.group'})) { 1875: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1876: } 1877: if (exists($env{'form.ref'})) { 1878: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1879: } 1880: $r->print(<<END); 1881: <p> 1882: <input type="hidden" name="sendit" value="1" /> 1883: <input type="button" value="$send" onclick='gosubmit();' /> 1884: </p> 1885: </form> 1886: END 1887: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1888: my $now = time; 1889: my $ressymb = $symb; 1890: &Apache::lonenc::check_encrypt(\$ressymb); 1891: my $postidx = ''; 1892: if ($env{'form.editdisc'}) { 1893: $postidx = $idx; 1894: } 1895: if (@currnewattach > 0) { 1896: $attachnum += @currnewattach; 1897: } 1898: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1899: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1900: if ($attachnum > 0) { 1901: if (@currnewattach > 0) { 1902: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1903: if (@currnewattach > 1) { 1904: $newattachmsg .= '<ol>'; 1905: foreach my $item (@currnewattach) { 1906: $item =~ m#.*/([^/]+)$#; 1907: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1908: } 1909: $newattachmsg .= '</ol>'."\n"; 1910: } else { 1911: $currnewattach[0] =~ m#.*/([^/]+)$#; 1912: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1913: } 1914: } 1915: if ($attachmsg) { 1916: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1917: } 1918: if ($newattachmsg) { 1919: $r->print("$newattachmsg<br />"); 1920: } 1921: } 1922: } 1923: $r->print(&generate_preview_button(). 1924: &Apache::loncommon::end_page()); 1925: 1926: } 1927: 1928: sub print_display_options { 1929: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1930: &Apache::loncommon::content_type($r,'text/html'); 1931: $r->send_http_header; 1932: 1933: my $function = &Apache::loncommon::get_users_function(); 1934: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1935: $env{'user.domain'}); 1936: 1937: my %lt = &Apache::lonlocal::texthash( 1938: 'pref' => 'Display Preference', 1939: 'curr' => 'Current setting ', 1940: 'actn' => 'Action', 1941: 'deff' => 'Default for all discussions', 1942: 'prca' => 'Preferences can be set for this discussion that determine ....', 1943: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1944: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1945: 'wipa' => 'Whether individual posts can be marked as read/unread', 1946: 'allposts' => 'All posts', 1947: 'unread' => 'New posts only', 1948: 'unmark' => 'Posts not marked read', 1949: 'ondisp' => 'Once displayed', 1950: 'onmark' => 'Once marked not NEW', 1951: 'toggon' => 'Shown', 1952: 'toggoff' => 'Not shown', 1953: 'disa' => 'Posts displayed?', 1954: 'npmr' => 'New posts cease to be identified as "NEW"?', 1955: 'dotm' => 'Option to mark each post as read/unread?', 1956: 'chgt' => 'Change to ', 1957: 'mkdf' => 'Set to ', 1958: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1959: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1960: ); 1961: 1962: my $dispchangeA = $lt{'unread'}; 1963: my $dispchangeB = $lt{'unmark'}; 1964: my $markchange = $lt{'ondisp'}; 1965: my $toggchange = $lt{'toggon'}; 1966: my $currdisp = $lt{'allposts'}; 1967: my $currmark = $lt{'onmark'}; 1968: my $discdisp = 'allposts'; 1969: my $discmark = 'onmark'; 1970: my $currtogg = $lt{'toggoff'}; 1971: my $disctogg = 'toggoff'; 1972: 1973: if ($dispchgA eq 'allposts') { 1974: $dispchangeA = $lt{'allposts'}; 1975: $currdisp = $lt{'unread'}; 1976: $discdisp = 'unread'; 1977: } 1978: 1979: if ($markchg eq 'markonread') { 1980: $markchange = $lt{'onmark'}; 1981: $currmark = $lt{'ondisp'}; 1982: $discmark = 'ondisp'; 1983: } 1984: 1985: if ($dispchgB eq 'onlyunread') { 1986: $dispchangeB = $lt{'unread'}; 1987: $currdisp = $lt{'unmark'}; 1988: $discdisp = 'unmark'; 1989: } 1990: if ($toggchg eq 'toggoff') { 1991: $toggchange = $lt{'toggoff'}; 1992: $currtogg = $lt{'toggon'}; 1993: $disctogg = 'toggon'; 1994: } 1995: 1996: my $js = <<END; 1997: <script type="text/javascript"> 1998: function discdispChk(caller) { 1999: var disctogg = '$toggchg' 2000: if (caller == 0) { 2001: if (document.modifydisp.discdisp[0].checked == true) { 2002: if (document.modifydisp.discdisp[1].checked == true) { 2003: document.modifydisp.discdisp[1].checked = false 2004: } 2005: } 2006: } 2007: if (caller == 1) { 2008: if (document.modifydisp.discdisp[1].checked == true) { 2009: if (document.modifydisp.discdisp[0].checked == true) { 2010: document.modifydisp.discdisp[0].checked = false 2011: } 2012: if (disctogg == 'toggon') { 2013: document.modifydisp.disctogg.checked = true 2014: } 2015: if (disctogg == 'toggoff') { 2016: document.modifydisp.disctogg.checked = false 2017: } 2018: } 2019: } 2020: if (caller == 2) { 2021: var dispchgB = '$dispchgB' 2022: if (disctogg == 'toggoff') { 2023: if (document.modifydisp.disctogg.checked == true) { 2024: if (dispchgB == 'onlyunmark') { 2025: document.modifydisp.discdisp[1].checked = false 2026: } 2027: } 2028: } 2029: } 2030: } 2031: 2032: function setDisp() { 2033: var prev = "$previous" 2034: var chktotal = 0 2035: if (document.modifydisp.discdisp[0].checked == true) { 2036: document.modifydisp.$dispchgA.value = "$symb" 2037: chktotal ++ 2038: } 2039: if (document.modifydisp.discdisp[1].checked == true) { 2040: document.modifydisp.$dispchgB.value = "$symb" 2041: chktotal ++ 2042: } 2043: if (document.modifydisp.discmark.checked == true) { 2044: document.modifydisp.$markchg.value = "$symb" 2045: chktotal ++ 2046: } 2047: if (document.modifydisp.disctogg.checked == true) { 2048: document.modifydisp.$toggchg.value = "$symb" 2049: chktotal ++ 2050: } 2051: if (chktotal > 0) { 2052: document.modifydisp.submit() 2053: } else { 2054: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2055: if (prev > 0) { 2056: location.href = "$feedurl?previous=$previous" 2057: } else { 2058: location.href = "$feedurl" 2059: } 2060: } 2061: } 2062: } 2063: </script> 2064: END 2065: 2066: 2067: my $start_page = 2068: &Apache::loncommon::start_page('Discussion display options',$js); 2069: my $end_page = 2070: &Apache::loncommon::end_page(); 2071: $r->print(<<END); 2072: $start_page 2073: <form name="modifydisp" method="post" action="/adm/feedback"> 2074: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2075: <br /> 2076: END 2077: $r->print(&Apache::loncommon::start_data_table()); 2078: $r->print(<<END); 2079: <tr> 2080: <th>$lt{'pref'}</td> 2081: <th>$lt{'curr'}</td> 2082: <th>$lt{'actn'}?</td> 2083: </tr> 2084: END 2085: $r->print(&Apache::loncommon::start_data_table_row()); 2086: $r->print(<<END); 2087: <td>$lt{'disa'}</td> 2088: <td>$lt{$discdisp}</td> 2089: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2090: <br /> 2091: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2092: </td> 2093: END 2094: $r->print(&Apache::loncommon::end_data_table_row()); 2095: $r->print(&Apache::loncommon::start_data_table_row()); 2096: $r->print(<<END); 2097: <td>$lt{'npmr'}</td> 2098: <td>$lt{$discmark}</td> 2099: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2100: END 2101: $r->print(&Apache::loncommon::end_data_table_row()); 2102: $r->print(&Apache::loncommon::start_data_table_row()); 2103: $r->print(<<END); 2104: <td>$lt{'dotm'}</td> 2105: <td>$lt{$disctogg}</td> 2106: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2107: END 2108: my $save = &mt('Save'); 2109: $r->print(&Apache::loncommon::end_data_table_row()); 2110: $r->print(&Apache::loncommon::end_data_table()); 2111: $r->print(<<END); 2112: <br /> 2113: <br /> 2114: <input type="hidden" name="symb" value="$symb" /> 2115: <input type="hidden" name="previous" value="$previous" /> 2116: <input type="hidden" name="$dispchgA" value="" /> 2117: <input type="hidden" name="$dispchgB" value="" /> 2118: <input type="hidden" name="$markchg" value="" /> 2119: <input type="hidden" name="$toggchg" value="" /> 2120: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2121: END 2122: if (exists($env{'form.group'})) { 2123: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2124: } 2125: if (exists($env{'form.ref'})) { 2126: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2127: } 2128: $r->print(" 2129: <br /> 2130: <br /> 2131: </form> 2132: $end_page 2133: "); 2134: return; 2135: } 2136: 2137: sub print_sortfilter_options { 2138: my ($r,$symb,$previous,$feedurl) = @_; 2139: 2140: &Apache::loncommon::content_type($r,'text/html'); 2141: $r->send_http_header; 2142: 2143: &Apache::lonenc::check_encrypt(\$symb); 2144: my @sections; 2145: my $section_sel = ''; 2146: my $numvisible = 5; 2147: my @groups; 2148: my $group_sel = ''; 2149: my $numgroupvis = 5; 2150: my %sectioncount = &Apache::loncommon::get_sections(); 2151: my @courseroles = qw(st ad ep ta in); 2152: my $crstype = &Apache::loncommon::course_type(); 2153: my $ccrole = 'cc'; 2154: if ($crstype eq 'Community') { 2155: $ccrole = 'co'; 2156: } 2157: push(@courseroles,$ccrole); 2158: 2159: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2160: @sections = ('all',$env{'request.course.sec'}); 2161: $numvisible = 2; 2162: } else { 2163: @sections = sort {$a cmp $b} keys(%sectioncount); 2164: if (scalar(@sections) < 4) { 2165: $numvisible = scalar(@sections) + 1; 2166: } 2167: unshift(@sections,'all'); # Put 'all' at the front of the list 2168: 2169: } 2170: foreach my $sec (@sections) { 2171: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2172: } 2173: 2174: if (&check_group_priv() eq 'ok') { 2175: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2176: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2177: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2178: @groups = sort {$a cmp $b} keys(%curr_groups); 2179: if (scalar(@groups) < 4) { 2180: $numgroupvis = scalar(@groups) + 1; 2181: } 2182: unshift(@groups,'all'); # Put 'all' at the front of the list 2183: } else { 2184: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2185: if (@coursegroups > 0) { 2186: @coursegroups = sort {$a cmp $b} @coursegroups; 2187: @groups = ('all',@coursegroups); 2188: if (scalar(@groups) < 4) { 2189: $numgroupvis = scalar(@groups) + 1; 2190: } 2191: } else { 2192: @groups = ('all'); 2193: $numgroupvis = 1; 2194: } 2195: } 2196: foreach my $group (@groups) { 2197: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2198: } 2199: 2200: my $function = &Apache::loncommon::get_users_function(); 2201: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2202: $env{'user.domain'}); 2203: my %lt = &Apache::lonlocal::texthash( 2204: 'diop' => 'Display Options', 2205: 'curr' => 'Current setting ', 2206: 'actn' => 'Action', 2207: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2208: 'soor' => 'Sort order', 2209: 'spur' => 'Specific user roles', 2210: 'sprs' => 'Specific role status', 2211: 'spse' => 'Specific sections', 2212: 'spgr' => 'Specific groups', 2213: 'psub' => 'Pick specific users (by name)', 2214: 'shal' => 'Show a list of current posters', 2215: 'stor' => 'Save changes', 2216: ); 2217: 2218: my %sort_types = (); 2219: my %role_types = (); 2220: my %status_types = (); 2221: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2222: 2223: my $js = <<END; 2224: <script type="text/javascript"> 2225: function verifyFilter() { 2226: var rolenum = 0 2227: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2228: if (document.modifyshown.rolefilter.options[i].selected == true) { 2229: rolenum ++ 2230: } 2231: } 2232: if (rolenum == 0) { 2233: document.modifyshown.rolefilter.options[0].selected = true 2234: } 2235: 2236: var secnum = 0 2237: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2238: if (document.modifyshown.sectionpick.options[i].selected == true) { 2239: secnum ++ 2240: } 2241: } 2242: if (secnum == 0) { 2243: document.modifyshown.sectionpick.options[0].selected = true 2244: } 2245: 2246: var grpnum = 0 2247: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2248: if (document.modifyshown.grouppick.options[i].selected == true) { 2249: grpnum ++ 2250: } 2251: } 2252: if (grpnum == 0) { 2253: document.modifyshown.grouppick.options[0].selected = true 2254: } 2255: 2256: document.modifyshown.submit(); 2257: } 2258: </script> 2259: END 2260: 2261: my $start_page= 2262: &Apache::loncommon::start_page('Discussion options',$js); 2263: my $end_page= 2264: &Apache::loncommon::end_page(); 2265: 2266: $r->print(<<END); 2267: $start_page 2268: <form name="modifyshown" method="post" action="/adm/feedback"> 2269: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2270: <br /> 2271: <table border="0"> 2272: <tr> 2273: <th>$lt{'soor'}</th> 2274: <th> </th> 2275: <th>$lt{'sprs'}</th> 2276: <th> </th> 2277: <th>$lt{'spur'}</th> 2278: <th> </th> 2279: <th>$lt{'spse'}</th> 2280: <th> </th> 2281: <th>$lt{'spgr'}</th> 2282: <th> </th> 2283: <th>$lt{'psub'}</th> 2284: </tr> 2285: <tr> 2286: <td align="center" valign="top"> 2287: <select name="sortposts"> 2288: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2289: <option value="descdate">$sort_types{'descdate'}</option> 2290: <option value="thread">$sort_types{'thread'}</option> 2291: <option value="subject">$sort_types{'subject'}</option> 2292: <option value="username">$sort_types{'username'}</option> 2293: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2294: </select> 2295: </td> 2296: <td> </td> 2297: <td align="center" valign="top"> 2298: <select name="statusfilter"> 2299: <option value="all" selected="selected">$status_types{'all'}</option> 2300: <option value="Active">$status_types{'Active'}</option> 2301: <option value="Expired">$status_types{'Expired'}</option> 2302: <option value="Future">$status_types{'Future'}</option> 2303: </select> 2304: </td> 2305: <td> </td> 2306: <td align="center" valign="top"> 2307: <select name="rolefilter" multiple="multiple" size="5"> 2308: <option value="all">$role_types{'all'}</option> 2309: <option value="st">$role_types{'st'}</option> 2310: <option value="$ccrole">$role_types{$ccrole}</option> 2311: <option value="in">$role_types{'in'}</option> 2312: <option value="ta">$role_types{'ta'}</option> 2313: <option value="ep">$role_types{'ep'}</option> 2314: <option value="ad">$role_types{'ad'}</option> 2315: <option value="cr">$role_types{'cr'}</option> 2316: </select> 2317: </td> 2318: <td> </td> 2319: <td align="center" valign="top"> 2320: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2321: $section_sel 2322: </select> 2323: </td> 2324: <td> </td> 2325: <td align="center" valign="top"> 2326: <select name="grouppick" multiple="multiple" size="$numvisible"> 2327: $group_sel 2328: </select> 2329: </td> 2330: <td> </td> 2331: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2332: </tr> 2333: </table> 2334: <br /> 2335: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" /> 2336: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2337: <input type="hidden" name="previous" value="$previous" /> 2338: <input type="hidden" name="applysort" value="$symb" /> 2339: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2340: END 2341: if (exists($env{'form.group'})) { 2342: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2343: } 2344: if (exists($env{'form.ref'})) { 2345: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2346: } 2347: $r->print(" 2348: <br /> 2349: <br /> 2350: </form> 2351: $end_page 2352: "); 2353: } 2354: 2355: sub print_showposters { 2356: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2357: 2358: &Apache::loncommon::content_type($r,'text/html'); 2359: $r->send_http_header; 2360: 2361: &Apache::lonenc::check_encrypt(\$symb); 2362: my $crs='/'.$env{'request.course.id'}; 2363: if ($env{'request.course.sec'}) { 2364: $crs.='_'.$env{'request.course.sec'}; 2365: } 2366: $crs=~s/\_/\//g; 2367: my $seeid; 2368: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2369: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2370: my $group = $env{'form.group'}; 2371: my $ressymb = &wrap_symb($symb); 2372: if (($group ne '') && 2373: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2374: if (&check_group_priv($group,'dgp') eq 'ok') { 2375: $seeid = 1; 2376: } 2377: } else { 2378: $seeid=&Apache::lonnet::allowed('rin',$crs); 2379: } 2380: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2381: $cdom,$cnum); 2382: my %namesort = (); 2383: my %postcounts = (); 2384: 2385: my %lt = &Apache::lonlocal::texthash( 2386: sele => 'Select', 2387: full => 'Fullname', 2388: usdo => 'Username:domain', 2389: post => 'Posts', 2390: ); 2391: if ($contrib{'version'}) { 2392: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2393: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2394: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2395: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2396: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2397: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2398: my $lastname = $names{'lastname'}; 2399: my $firstname = $names{'firstname'}; 2400: if ($lastname eq '') { 2401: $lastname = '_'; 2402: } 2403: if ($firstname eq '') { 2404: $firstname = '_'; 2405: } 2406: unless (defined($namesort{$lastname})) { 2407: %{$namesort{$lastname}} = (); 2408: } 2409: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2410: $postcounts{$poster} ++; 2411: if (defined($namesort{$lastname}{$firstname})) { 2412: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2413: push(@{$namesort{$lastname}{$firstname}}, $poster); 2414: } 2415: } else { 2416: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2417: } 2418: } 2419: } 2420: } 2421: } 2422: 2423: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2424: my $table_start =&Apache::loncommon::start_data_table(); 2425: $r->print(<<END); 2426: $start_page 2427: <form name="pickpostersform" method="post"> 2428: <br /> 2429: $table_start 2430: <tr> 2431: <th>#</th> 2432: <th>$lt{'sele'}</th> 2433: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2434: <th>$lt{'post'}</th> 2435: </tr> 2436: END 2437: my $count = 0; 2438: foreach my $last (sort(keys(%namesort))) { 2439: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2440: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2441: my ($uname,$udom) = split(/:/,$user); 2442: if (!$uname || !$udom) { 2443: next; 2444: } else { 2445: $count ++; 2446: $r->print(&Apache::loncommon::start_data_table_row(). 2447: '<td align="right">'.$count.'</td> 2448: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2449: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2450: <td>'.$postcounts{$user}.'</td>'. 2451: &Apache::loncommon::end_data_table_row()); 2452: } 2453: } 2454: } 2455: } 2456: $r->print(&Apache::loncommon::end_data_table()); 2457: my $end_page = &Apache::loncommon::end_page(); 2458: $r->print(<<END); 2459: <br /> 2460: <input type="hidden" name="sortposts" value="$sortposts" /> 2461: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2462: <input type="hidden" name="userpick" value="$symb" /> 2463: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2464: </form> 2465: $end_page 2466: END 2467: } 2468: 2469: sub get_post_versions { 2470: my ($versions,$incoming,$htmldecode,$numver) = @_; 2471: if ($incoming =~ /^<version num="0">/) { 2472: my $p = HTML::LCParser->new(\$incoming); 2473: my $done = 0; 2474: 2475: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2476: my $num = $token->[1]{num}; 2477: my $text = $p->get_text("/version"); 2478: if (defined($numver)) { 2479: if ($num == $numver) { 2480: if ($htmldecode) { 2481: $text = &HTML::Entities::decode($text); 2482: } 2483: $$versions{$numver}=$text; 2484: $done = 1; 2485: } 2486: } else { 2487: if ($htmldecode) { 2488: $text = &HTML::Entities::decode($text); 2489: } 2490: $$versions{$num}=$text; 2491: } 2492: } 2493: } else { 2494: if (!defined($numver)) { 2495: $numver = 0; 2496: } 2497: if ($htmldecode) { 2498: $$versions{$numver} = $incoming; 2499: } else { 2500: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2501: } 2502: } 2503: return; 2504: } 2505: 2506: sub get_post_attachments { 2507: my ($attachments,$attachmenturls) = @_; 2508: my $num; 2509: if ($attachmenturls =~ m/^<attachment id="0">/) { 2510: my $p = HTML::LCParser->new(\$attachmenturls); 2511: while (my $token = $p->get_tag("attachment","filename","post")) { 2512: if ($token->[0] eq "attachment") { 2513: $num = $token->[1]{id}; 2514: %{$$attachments{$num}} =(); 2515: } elsif ($token->[0] eq "filename") { 2516: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2517: } elsif ($token->[0] eq "post") { 2518: my $id = $token->[1]{id}; 2519: $$attachments{$num}{$id} = $p->get_text("/post"); 2520: } 2521: } 2522: } else { 2523: %{$$attachments{'0'}} = (); 2524: $$attachments{'0'}{'filename'} = $attachmenturls; 2525: $$attachments{'0'}{'0'} = 'n'; 2526: } 2527: 2528: return; 2529: } 2530: 2531: sub fail_redirect { 2532: my ($r,$feedurl) = @_; 2533: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2534: my %lt = &Apache::lonlocal::texthash( 2535: 'sorr' => 'Sorry, no recipients ...', 2536: ); 2537: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2538: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2539: {'redirect' => [2,$feedurl], 2540: 'only_body' => 1,})); 2541: $r->print(<<ENDFAILREDIR); 2542: <img align="right" src="$logo" /> 2543: <b>$lt{'sorr'}</b> 2544: ENDFAILREDIR 2545: $r->print(&Apache::loncommon::end_page()); 2546: } 2547: 2548: sub redirect_back { 2549: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2550: my $sorttag = ''; 2551: my $roletag = ''; 2552: my $statustag = ''; 2553: my $sectag = ''; 2554: my $grptag = ''; 2555: my $userpicktag = ''; 2556: my $qrystr = ''; 2557: my $prevtag = ''; 2558: 2559: &Apache::loncommon::content_type($r,'text/html'); 2560: $r->send_http_header; 2561: &dewrapper(\$feedurl); 2562: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2563: if ($previous > 0) { 2564: $qrystr = 'previous='.$previous; 2565: if ($feedurl =~ /\?register=1/) { 2566: $feedurl .= '&'.$qrystr; 2567: } else { 2568: $feedurl .= '?'.$qrystr; 2569: } 2570: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2571: } 2572: if (defined($sort)) { 2573: my $sortqry = 'sortposts='.$sort; 2574: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2575: $feedurl .= '&'.$sortqry; 2576: } else { 2577: $feedurl .= '?'.$sortqry; 2578: } 2579: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2580: if (defined($numpicks)) { 2581: my $userpickqry = 'totposters='.$numpicks; 2582: $feedurl .= '&'.$userpickqry; 2583: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2584: } else { 2585: if (ref($sectionpick) eq 'ARRAY') { 2586: $feedurl .= '&sectionpick='; 2587: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2588: foreach my $sec (@{$sectionpick}) { 2589: $feedurl .= $sec.','; 2590: $sectag .= $sec.','; 2591: } 2592: $feedurl =~ s/,$//; 2593: $sectag =~ s/,$//; 2594: $sectag .= '" />'; 2595: } else { 2596: $feedurl .= '&sectionpick='.$sectionpick; 2597: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2598: } 2599: if (ref($grouppick) eq 'ARRAY') { 2600: $feedurl .= '&grouppick='; 2601: $sectag .= '<input type="hidden" name="grouppick" value="'; 2602: foreach my $grp (@{$grouppick}) { 2603: $feedurl .= $grp.','; 2604: $grptag .= $grp.','; 2605: } 2606: $feedurl =~ s/,$//; 2607: $grptag =~ s/,$//; 2608: $grptag .= '" />'; 2609: } else { 2610: $feedurl .= '&grouppick='.$grouppick; 2611: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2612: } 2613: if (ref($rolefilter) eq 'ARRAY') { 2614: $feedurl .= '&rolefilter='; 2615: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2616: foreach my $role (@{$rolefilter}) { 2617: $feedurl .= $role.','; 2618: $roletag .= $role.','; 2619: } 2620: $feedurl =~ s/,$//; 2621: $roletag =~ s/,$//; 2622: $roletag .= '" />'; 2623: } else { 2624: $feedurl .= '&rolefilter='.$rolefilter; 2625: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2626: } 2627: $feedurl .= '&statusfilter='.$statusfilter; 2628: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2629: } 2630: } 2631: my $grouptag; 2632: if ($group ne '') { 2633: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2634: my $refarg; 2635: if (exists($env{'form.ref'})) { 2636: $refarg = '&ref='.$env{'form.ref'}; 2637: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2638: } 2639: if ($feedurl =~ /\?/) { 2640: $feedurl .= '&group='.$group.$refarg; 2641: } else { 2642: $feedurl .= '?group='.$group.$refarg; 2643: } 2644: } 2645: &Apache::lonenc::check_encrypt(\$feedurl); 2646: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2647: my %parms=('only_body' => 1); 2648: if ($env{'form.modal'}) { 2649: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2650: } else { 2651: $parms{'redirect'}=[0,$feedurl]; 2652: } 2653: my $start_page= 2654: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2655: my $end_page = &Apache::loncommon::end_page(); 2656: $r->print(<<ENDREDIR); 2657: $start_page 2658: <img align="right" src="$logo" /> 2659: $typestyle 2660: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2661: $blog 2662: $toolarge 2663: <font color="red">$status</font> 2664: <form name="reldt" action="$feedurl" target="loncapaclient"> 2665: $prevtag 2666: $sorttag 2667: $statustag 2668: $roletag 2669: $sectag 2670: $grptag 2671: $userpicktag 2672: $grouptag 2673: </form> 2674: $end_page 2675: ENDREDIR 2676: } 2677: 2678: sub no_redirect_back { 2679: my ($r,$feedurl) = @_; 2680: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2681: 2682: my %onload; 2683: 2684: my %body_options = ('only_body' => 1, 2685: 'bgcolor' => '#FFFFFF', 2686: 'add_entries' => \%onload,); 2687: 2688: if ($feedurl !~ m{^/adm/feedback}) { 2689: $body_options{'redirect'} = [2,$feedurl]; 2690: } 2691: my $start_page= 2692: &Apache::loncommon::start_page('Feedback not sent',undef, 2693: \%body_options); 2694: 2695: my $end_page = &Apache::loncommon::end_page(); 2696: 2697: &Apache::lonenc::check_encrypt(\$feedurl); 2698: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2699: $r->print (<<ENDNOREDIRTWO); 2700: $start_page 2701: <img align="right" src="$logo" /> 2702: <b>$nofeed</b> 2703: <br /> 2704: $end_page 2705: ENDNOREDIRTWO 2706: } 2707: 2708: sub screen_header { 2709: my ($feedurl,$symb,$group) = @_; 2710: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2711: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2712: my $contribdisc = &mt('Contribution to course discussion of resource'); 2713: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2714: my $namevis = &mt('name only visible to course faculty'); 2715: my $crstype; 2716: if ($env{'request.course.id'}) { 2717: $crstype = &Apache::loncommon::course_type(); 2718: if ($crstype eq 'Community') { 2719: $crscontent = &mt('Question/Comment/Feedback about community content'); 2720: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2721: $contribdisc = &mt('Contribution to community discussion of resource'); 2722: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2723: $namevis = &mt('name only visible to community facilitators'); 2724: } 2725: } 2726: my $msgoptions=''; 2727: my $discussoptions=''; 2728: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2729: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2730: $msgoptions= 2731: '<label><input type="radio" name="discuss" value="author" /> '. 2732: &mt('Feedback to resource author').'</label><br />'; 2733: } 2734: my %optionhash=(); 2735: foreach my $type ('question','comment','policy') { 2736: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2737: } 2738: if (&feedback_available(1)) { 2739: $msgoptions.= 2740: '<label><input type="radio" name="discuss" value="question" /> '. 2741: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label><br />'; 2742: } 2743: if (&feedback_available(0,1)) { 2744: $msgoptions.= 2745: '<label><input type="radio" name="discuss" value="course" /> '. 2746: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2747: '</label><br />'; 2748: } 2749: if (&feedback_available(0,0,1)) { 2750: $msgoptions.= 2751: '<label><input type="radio" name="discuss" value="policy" /> '. 2752: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2753: '</label><br />'; 2754: } 2755: } 2756: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2757: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2758: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2759: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2760: my $realsymb = $symb; 2761: if ($symb=~/^bulletin___/) { 2762: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2763: $filename=~s|^adm/wrapper/||; 2764: $realsymb=&Apache::lonnet::symbread($filename); 2765: } 2766: if (!$blocked && &discussion_open(undef,$realsymb) && 2767: (&Apache::lonnet::allowed('pch', 2768: $env{'request.course.id'}. 2769: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2770: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2771: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2772: $contribdisc. 2773: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2774: $anoncontrib. 2775: ' <i>('.$namevis.')</i></label> '. 2776: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2777: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2778: if (!$blockblog) { 2779: $discussoptions.= &add_blog_checkbox($crstype); 2780: } 2781: } 2782: } 2783: if ($msgoptions) { 2784: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2785: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'. 2786: '<td>'.$msgoptions.'</td></tr>'; 2787: } 2788: if ($discussoptions) { 2789: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2790: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'. 2791: '<td>'.$discussoptions.'</td></tr>'; 2792: } 2793: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table(); 2794: } 2795: 2796: sub resource_output { 2797: my ($feedurl) = @_; 2798: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2799: $usersaw=~s/\<body[^\>]*\>//gi; 2800: $usersaw=~s/\<\/body\>//gi; 2801: $usersaw=~s/\<html\>//gi; 2802: $usersaw=~s/\<\/html\>//gi; 2803: $usersaw=~s/\<head\>//gi; 2804: $usersaw=~s/\<\/head\>//gi; 2805: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2806: return $usersaw; 2807: } 2808: 2809: sub clear_out_html { 2810: my ($message,$override)=@_; 2811: # Always allow the <m>-tag 2812: my %html=(M=>1); 2813: # Check if more is allowed 2814: my $cid=$env{'request.course.id'}; 2815: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2816: ($override)) { 2817: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2818: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2819: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2820: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2821: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2822: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2823: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2824: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2825: } 2826: # Do the substitution of everything that is not explicitly allowed 2827: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2828: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2829: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2830: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2831: return $message; 2832: } 2833: 2834: sub assemble_email { 2835: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2836: my %lt = &Apache::lonlocal::texthash( 2837: 'prev' => 'Previous attempts of student (if applicable)', 2838: 'orig' => 'Original screen output (if applicable)', 2839: 'corr' => 'Correct Answer(s) (if applicable)', 2840: ); 2841: if (&Apache::loncommon::course_type() eq 'Community') { 2842: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2843: } 2844: my $email=<<"ENDEMAIL"; 2845: $message 2846: ENDEMAIL 2847: my $citations=<<"ENDCITE"; 2848: <h2>$lt{'prev'}</h2> 2849: $prevattempts 2850: <br /><hr /> 2851: <h2>$lt{'orig'}</h2> 2852: $usersaw 2853: <h2>$lt{'corr'}</h2> 2854: $useranswer 2855: ENDCITE 2856: return ($email,$citations); 2857: } 2858: 2859: 2860: sub feedback_available { 2861: my ($question,$course,$policy)=@_; 2862: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2863: $course,$policy); 2864: return scalar(%to); 2865: } 2866: 2867: sub send_msg { 2868: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2869: my $status=''; 2870: my $sendsomething=0; 2871: my $restitle = &get_resource_title($symb,$feedurl); 2872: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2873: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2874: foreach my $key (keys(%to)) { 2875: if ($key) { 2876: my ($user,$domain) = split(/\:/,$key,2); 2877: if (!defined($user)) { 2878: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2879: } elsif (!defined($domain)) { 2880: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2881: } else { 2882: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2883: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2884: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2885: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2886: } else { 2887: $sendsomething++; 2888: } 2889: } 2890: } 2891: } 2892: 2893: # Records of number of feedback messages are kept under the "symb" called "_feedback" 2894: # There are two entries within the framework of a course: 2895: # - the URLs for which feedback was provided 2896: # - the total number of contributions 2897: if ($sendsomething) { 2898: my %record=&getfeedbackrecords(); 2899: my ($temp)=keys(%record); 2900: unless ($temp=~/^error\:/) { 2901: my %newrecord=(); 2902: $newrecord{'resource'}=$feedurl; 2903: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2904: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2905: $status.='<br />'.&mt('Not registered').'<br />'; 2906: } 2907: } 2908: } 2909: return ($status,$sendsomething); 2910: } 2911: 2912: # Routine to get the complete feedback records 2913: 2914: sub getfeedbackrecords { 2915: my ($uname,$udom,$course)=@_; 2916: unless ($uname) { $uname=$env{'user.name'}; } 2917: unless ($udom) { $udom=$env{'user.domain'}; } 2918: unless ($course) { $course=$env{'request.course.id'}; } 2919: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname); 2920: return %record; 2921: } 2922: 2923: # Routine to get feedback statistics 2924: 2925: sub getfeedbackstats { 2926: my %record=&getfeedbackrecords(@_); 2927: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 2928: } 2929: 2930: # Store feedback credit 2931: 2932: sub storefeedbackpoints { 2933: my ($points,$uname,$udom,$course)=@_; 2934: unless ($points) { $points=0; } 2935: unless ($uname) { $uname=$env{'user.name'}; } 2936: unless ($udom) { $udom=$env{'user.domain'}; } 2937: unless ($course) { $course=$env{'request.course.id'}; } 2938: my %record=('grader_user' => $env{'user.name'}, 2939: 'grader_domain' => $env{'user.domain'}, 2940: 'points' => $points); 2941: return &Apache::lonnet::cstore(\%record,'_feedback',$course,$udom,$uname); 2942: } 2943: 2944: # Store feedback "likes" 2945: 2946: sub storefeedbacklikes { 2947: my ($likes,$uname,$udom,$course)=@_; 2948: unless ($likes) { $likes=0; } 2949: if ($likes>0) { $likes=1; } 2950: if ($likes<0) { $likes=-1; } 2951: unless ($uname) { $uname=$env{'user.name'}; } 2952: unless ($udom) { $udom=$env{'user.domain'}; } 2953: unless ($course) { $course=$env{'request.course.id'}; } 2954: my %record=&getfeedbackrecords($uname,$udom,$course); 2955: my $totallikes=$record{'totallikes'}; 2956: $totallikes+=$likes; 2957: my %newrecord=('likes_user' => $env{'user.name'}, 2958: 'likes_domain' => $env{'user.domain'}, 2959: 'likes' => $likes, 2960: 'totallikes' => $totallikes); 2961: return &Apache::lonnet::cstore(\%newrecord,'_feedback',$course,$udom,$uname); 2962: } 2963: 2964: 2965: sub adddiscuss { 2966: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2967: my $status=''; 2968: my $realsymb; 2969: if ($symb=~/^bulletin___/) { 2970: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2971: $filename=~s|^adm/wrapper/||; 2972: $realsymb=&Apache::lonnet::symbread($filename); 2973: } 2974: my ($cnum,$cdom); 2975: if ($env{'request.course.id'}) { 2976: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2977: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2978: } 2979: if (&discussion_open(undef,$realsymb) && 2980: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2981: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2982: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 2983: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 2984: 2985: my %contrib=('message' => $email, 2986: 'sendername' => $env{'user.name'}, 2987: 'senderdomain' => $env{'user.domain'}, 2988: 'screenname' => $env{'environment.screenname'}, 2989: 'plainname' => $env{'environment.firstname'}.' '. 2990: $env{'environment.middlename'}.' '. 2991: $env{'environment.lastname'}.' '. 2992: $env{'enrironment.generation'}, 2993: 'attachmenturl'=> $attachmenturl, 2994: 'subject' => $subject); 2995: if ($env{'form.replydisc'}) { 2996: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2997: } 2998: if ($anon) { 2999: $contrib{'anonymous'}='true'; 3000: } 3001: if (($symb) && ($email)) { 3002: my $now = time; 3003: if ($env{'form.editdisc'}) { 3004: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 3005: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 3006: $contrib{'timestamp'} = $now; 3007: $contrib{'history'} = ''; 3008: my $numoldver = 0; 3009: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 3010: &Apache::lonenc::check_decrypt(\$oldsymb); 3011: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3012: # get timestamp for last post and history 3013: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 3014: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3015: $env{'course.'.$env{'request.course.id'}.'.num'}); 3016: if (defined($oldcontrib{$oldidx.':replyto'})) { 3017: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 3018: } 3019: if (defined($oldcontrib{$oldidx.':history'})) { 3020: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 3021: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 3022: $numoldver = @oldversions; 3023: } else { 3024: $numoldver = 1; 3025: } 3026: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 3027: } 3028: my $numnewver = $numoldver + 1; 3029: if (defined($oldcontrib{$oldidx.':subject'})) { 3030: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 3031: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3032: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 3033: } else { 3034: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3035: } 3036: } 3037: if (defined($oldcontrib{$oldidx.':message'})) { 3038: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 3039: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3040: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 3041: } else { 3042: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3043: } 3044: } 3045: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 3046: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 3047: $oldsymb,$oldidx,\%contrib, 3048: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3049: $env{'course.'.$env{'request.course.id'}.'.num'}); 3050: $status='Editing class discussion'.($anon?' (anonymous)':''); 3051: } else { 3052: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 3053: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 3054: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3055: $env{'course.'.$env{'request.course.id'}.'.num'}); 3056: } 3057: my %storenewentry=($symb => $now); 3058: $status.='<br />'.&mt('Updating discussion time').': '. 3059: &Apache::lonnet::put('discussiontimes',\%storenewentry, 3060: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3061: $env{'course.'.$env{'request.course.id'}.'.num'}); 3062: } 3063: my %record=&getdiscussionrecords(); 3064: my ($temp)=keys(%record); 3065: unless ($temp=~/^error\:/) { 3066: my %newrecord=(); 3067: $newrecord{'resource'}=$symb; 3068: $newrecord{'subnumber'}=$record{'subnumber'}+1; 3069: $status.='<br />'.&mt('Registering').': '. 3070: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3071: &updatekarma(); 3072: } 3073: } else { 3074: $status.='Failed.'; 3075: } 3076: return $status.'<br />'; 3077: } 3078: 3079: 3080: # Routine to get the complete discussion records 3081: 3082: sub getdiscussionrecords { 3083: my ($uname,$udom,$course)=@_; 3084: unless ($uname) { $uname=$env{'user.name'}; } 3085: unless ($udom) { $udom=$env{'user.domain'}; } 3086: unless ($course) { $course=$env{'request.course.id'}; } 3087: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname); 3088: return %record; 3089: } 3090: 3091: # Routine to get discussion statistics 3092: 3093: sub getdiscussionstats { 3094: my %record=&getdiscussionrecords(@_); 3095: return ($record{'subnumber'},$record{'points'},$record{'totallikes'},$record{'totalvotes'}); 3096: } 3097: 3098: # Calculate discussion karma 3099: 3100: sub calcdiscussionkarma { 3101: my ($subs,$pts,$likes,$votes)=&getdiscussionstats(@_); 3102: my $karma=0; 3103: if ($votes>0) { 3104: $karma=int(.1+5.*(1.-exp(-$subs/10.))*$likes/$votes); 3105: if ($karma<0) { $karma=0; } 3106: if ($karma>5) { $karma=5; } 3107: } 3108: return $karma; 3109: } 3110: 3111: # Update karma 3112: 3113: sub updatekarma { 3114: my ($uname,$udom,$course)=@_; 3115: unless ($uname) { $uname=$env{'user.name'}; } 3116: unless ($udom) { $udom=$env{'user.domain'}; } 3117: unless ($course) { $course=$env{'request.course.id'}; } 3118: my $karma=&calcdiscussionkarma($uname,$udom,$course); 3119: &Apache::lonnet::cstore({ 'karma' => $karma },'_discussion',$course,$udom,$uname); 3120: &Apache::lonnet::do_cache_new('karma',$uname.':'.$udom.':'.$course,$karma,3600); 3121: return $karma; 3122: } 3123: 3124: # Retrieve karma 3125: 3126: sub userkarma { 3127: my ($uname,$udom,$course)=@_; 3128: unless ($uname) { $uname=$env{'user.name'}; } 3129: unless ($udom) { $udom=$env{'user.domain'}; } 3130: unless ($course) { $course=$env{'request.course.id'}; } 3131: my $hashkey=$uname.':'.$udom.':'.$course; 3132: my ($karma,$cached)=&Apache::lonnet::is_cached_new('karma',$hashkey); 3133: if ($cached) { 3134: return $karma; 3135: } 3136: my %userdisc=&getdiscussionrecords($uname,$udom,$course); 3137: $karma=$userdisc{'karma'}; 3138: &Apache::lonnet::do_cache_new('karma',$hashkey,$karma,3600); 3139: return $karma; 3140: } 3141: 3142: # Store discussion credit 3143: 3144: sub storediscussionpoints { 3145: my ($points,$uname,$udom,$course)=@_; 3146: unless ($points) { $points=0; } 3147: unless ($uname) { $uname=$env{'user.name'}; } 3148: unless ($udom) { $udom=$env{'user.domain'}; } 3149: unless ($course) { $course=$env{'request.course.id'}; } 3150: my %record=('grader_user' => $env{'user.name'}, 3151: 'grader_domain' => $env{'user.domain'}, 3152: 'points' => $points); 3153: return &Apache::lonnet::cstore(\%record,'_discussion',$course,$udom,$uname); 3154: } 3155: 3156: # Store discussion "likes" 3157: 3158: sub storediscussionlikes { 3159: my ($likes,$uname,$udom,$course)=@_; 3160: unless ($likes) { $likes=0; } 3161: if ($likes>0) { $likes=1; } 3162: if ($likes<0) { $likes=-1; } 3163: unless ($uname) { $uname=$env{'user.name'}; } 3164: unless ($udom) { $udom=$env{'user.domain'}; } 3165: unless ($course) { $course=$env{'request.course.id'}; } 3166: my %record=&getdiscussionrecords($uname,$udom,$course); 3167: my $totallikes=$record{'totallikes'}; 3168: my $totalvotes=$record{'totalvotes'}; 3169: $totallikes+=$likes; 3170: $totalvotes++; 3171: my %newrecord=('likes_user' => $env{'user.name'}, 3172: 'likes_domain' => $env{'user.domain'}, 3173: 'likes' => $likes, 3174: 'totallikes' => $totallikes, 3175: 'totalvotes' => $totalvotes); 3176: my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname); 3177: if ($status eq 'ok') { 3178: &updatekarma($uname,$udom,$course); 3179: } 3180: return $status; 3181: } 3182: 3183: sub get_discussion_info { 3184: my ($idx,%contrib) = @_; 3185: my $changelast = 0; 3186: my $count = 0; 3187: my $hiddenflag = 0; 3188: my $deletedflag = 0; 3189: my ($hidden,$deleted,%info,$newlastdisc); 3190: my $version = $contrib{'version'}; 3191: if ($version) { 3192: for (my $id=$version; $id>0; $id--) { 3193: my $vkeys=$contrib{$id.':keys'}; 3194: my @keys=split(/:/,$vkeys); 3195: if (grep(/^hidden$/,@keys)) { 3196: if (!$hiddenflag) { 3197: $hidden = $contrib{$id.':hidden'}; 3198: $hiddenflag = 1; 3199: } 3200: } elsif (grep(/^deleted$/,@keys)) { 3201: if (!$deletedflag) { 3202: $deleted = $contrib{$id.':deleted'}; 3203: $deletedflag = 1; 3204: } 3205: } else { 3206: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 3207: $count++; 3208: $info{$count}{'id'} = $id; 3209: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 3210: } 3211: } 3212: } 3213: if ($info{'1'}{'id'} == $idx) { 3214: $changelast = 1; 3215: if ($count > 1) { 3216: $newlastdisc = $info{'2'}{'timestamp'}; 3217: } else { 3218: $newlastdisc = 0; 3219: } 3220: } 3221: } 3222: return ($changelast,$newlastdisc); 3223: } 3224: 3225: # ----------------------------------------------------------- Preview function 3226: 3227: sub show_preview { 3228: my ($r) = @_; 3229: &Apache::loncommon::content_type($r,'text/html'); 3230: $r->send_http_header; 3231: my $start_page= 3232: &Apache::loncommon::start_page('Preview',undef, 3233: {'only_body' => 1,}); 3234: 3235: my $message=&clear_out_html($env{'form.comment'}); 3236: &newline_to_br(\$message); 3237: $message=&Apache::lonspeller::markeduptext($message); 3238: $message=&Apache::lontexconvert::msgtexconverted($message); 3239: my $subject=&clear_out_html($env{'form.subject'}); 3240: $subject=~s/\n/\<br \/\>/g; 3241: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3242: 3243: my $end_page = &Apache::loncommon::end_page(); 3244: 3245: $r->print($start_page 3246: .'<h1>'.&mt('Preview').'</h1>' 3247: .&Apache::lonhtmlcommon::start_pick_box() 3248: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3249: .$subject 3250: .&Apache::lonhtmlcommon::row_closure() 3251: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3252: .$message 3253: .&Apache::lonhtmlcommon::row_closure(1) 3254: .&Apache::lonhtmlcommon::end_pick_box() 3255: .$end_page 3256: ); 3257: } 3258: 3259: sub contains_block_html { 3260: my ($message)=@_; 3261: return ($message =~ m{ 3262: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3263: \s* 3264: (\w+\=['"]\w+['"])* 3265: \s* 3266: ( 3267: \s*/>| 3268: >.*</\1\s*> 3269: )}xs 3270: ); 3271: } 3272: 3273: sub tidy_html { 3274: my ($message)=@_; 3275: # my $tidy = HTML::Tidy::libXML->new(); 3276: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3277: # $xhtml =~ m/<body>(.*)<\/body>/is; 3278: # my $clean = $1; 3279: # # remove any empty block-level tags 3280: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3281: # $message=$clean; 3282: return $message; 3283: } 3284: 3285: sub newline_to_br { 3286: my ($message)=@_; 3287: my $newmessage; 3288: my $parser=HTML::LCParser->new($message); 3289: while (my $token=$parser->get_token()) { 3290: if ($token->[0] eq 'T') { 3291: my $text=$token->[1]; 3292: $text=~s/\n/\<br \/\>/g; 3293: $newmessage.=$text; 3294: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3295: $newmessage.=$token->[1]; 3296: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3297: $newmessage.=$token->[2]; 3298: } elsif ($token->[0] eq 'S') { 3299: $newmessage.=$token->[4]; 3300: } 3301: 3302: } 3303: $$message=$newmessage; 3304: } 3305: 3306: sub generate_preview_button { 3307: my ($formname,$fieldname)=@_; 3308: unless ($formname) { $formname='mailform'; } 3309: unless ($fieldname) { $fieldname='comment'; } 3310: my $pre=&mt("Show Preview and Check Spelling"); 3311: return(<<ENDPREVIEW); 3312: <br /> 3313: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3314: <input type="hidden" name="subject" /> 3315: <input type="hidden" name="comment" /> 3316: <input type="button" value="$pre" 3317: 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();" /> 3318: </form> 3319: ENDPREVIEW 3320: } 3321: 3322: sub modify_attachments { 3323: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3324: $attachmaxtext,$toolarge)=@_; 3325: 3326: my %lt = &Apache::lonlocal::texthash( 3327: 'subj' => 'Subject', 3328: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 3329: 'chth' => 'Check the checkboxes for any you wish to remove.', 3330: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3331: 'adda' => 'Add a new attachment to this post.', 3332: 'stch' => 'Save Changes', 3333: ); 3334: my $js = <<END; 3335: <script type="text/javascript"> 3336: function setAction () { 3337: document.modattachments.action = document.modattachments.origpage.value; 3338: document.modattachments.submit(); 3339: } 3340: </script> 3341: END 3342: 3343: # Breadcrumbs 3344: my $brcrum = [{'href' => '', 3345: 'text' => 'Discussion Post Attachments'}]; 3346: my %parms=(); 3347: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3348: 3349: my $start_page = 3350: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3351: 3352: my $orig_subject = &unescape($env{'form.subject'}); 3353: my $subject=&clear_out_html($orig_subject); 3354: $subject=~s/\n/\<br \/\>/g; 3355: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3356: my $timestamp=$env{'form.timestamp'}; 3357: my $numoldver=$env{'form.numoldver'}; 3358: 3359: my $msg = ''; 3360: my %attachments = (); 3361: my %currattach = (); 3362: if ($idx) { 3363: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3364: } 3365: &Apache::lonenc::check_encrypt(\$symb); 3366: 3367: my $end_page = 3368: &Apache::loncommon::end_page(); 3369: 3370: $r->print(<<END); 3371: $start_page 3372: $toolarge 3373: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3374: <br /> 3375: <table class="LC_data_table"> 3376: <tr> 3377: <td colspan="2"> 3378: <b>Subject:</b> <b>$subject</b><br /><br /> 3379: END 3380: if ($idx) { 3381: if ($attachmenturls) { 3382: my @currold = keys(%currattach); 3383: if (@currold > 0) { 3384: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3385: foreach my $id (@currold) { 3386: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3387: $attachurl =~ m#/([^/]+)$#; 3388: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3389: } 3390: $r->print("<br />"); 3391: } 3392: } 3393: } 3394: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3395: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3396: foreach my $attach (@{$currnewattach}) { 3397: $attach =~ m#/([^/]+)$#; 3398: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3399: } 3400: $r->print("<br />"); 3401: } 3402: $r->print(<<END); 3403: </td></tr> 3404: <tr> 3405: <td> 3406: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> 3407: </td> 3408: </tr> 3409: <tr> 3410: <td colspan="2">$attachmaxtext</td> 3411: </tr> 3412: </table> 3413: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3414: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3415: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3416: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3417: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3418: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3419: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3420: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3421: END 3422: foreach my $item (@{$currnewattach}) { 3423: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3424: } 3425: foreach my $item (@{$currdelold}) { 3426: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3427: } 3428: $r->print(<<END); 3429: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3430: </form> 3431: $end_page 3432: END 3433: return; 3434: } 3435: 3436: sub process_attachments { 3437: my ($currnewattach,$currdelold,$keepold) = @_; 3438: 3439: @{$currnewattach}= 3440: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3441: @{$currdelold}= 3442: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3443: if (exists($env{'form.delnewattach'})) { 3444: my @currdelnew = 3445: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3446: my @currnew = (); 3447: foreach my $newone (@{$currnewattach}) { 3448: my $delflag = 0; 3449: foreach my $item (@currdelnew) { 3450: if ($newone eq $item) { 3451: $delflag = 1; 3452: last; 3453: } 3454: } 3455: unless ($delflag) { 3456: push(@currnew, $newone); 3457: } 3458: } 3459: @{$currnewattach} = @currnew; 3460: } 3461: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3462: } 3463: 3464: sub generate_attachments_button { 3465: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3466: $numoldver,$mode,$blockblog) = @_; 3467: my $origpage = $ENV{'REQUEST_URI'}; 3468: my $att=$attachnum.' '.&mt("attachments"); 3469: my %lt = &Apache::lonlocal::texthash( 3470: 'clic' => 'Click to add/remove attachments', 3471: ); 3472: my $response = (<<END); 3473: <br /> 3474: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3475: $lt{'clic'}: <input type="button" value="$att" 3476: 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); 3477: END 3478: if (!$blockblog) { 3479: $response .= 'setblogvalue();'; 3480: } 3481: unless ($mode eq 'board') { 3482: $response .= 'javascript:anonchk();'; 3483: } 3484: $response .= (<<ENDATTACH); 3485: this.form.submit();" /> 3486: <input type="hidden" name="origpage" value="$origpage" /> 3487: <input type="hidden" name="idx" value="$idx" /> 3488: <input type="hidden" name="timestamp" value="$now" /> 3489: <input type="hidden" name="subject" /> 3490: <input type="hidden" name="comment" /> 3491: <input type="hidden" name="blog" value="0" /> 3492: <input type="hidden" name="discuss" value="0" /> 3493: <input type="hidden" name="numoldver" value="$numoldver" /> 3494: ENDATTACH 3495: if (defined($deloldattach)) { 3496: if (@{$deloldattach} > 0) { 3497: foreach my $delatt (@{$deloldattach}) { 3498: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3499: } 3500: } 3501: } 3502: if (defined($currnewattach)) { 3503: if (@{$currnewattach} > 0) { 3504: foreach my $attach (@{$currnewattach}) { 3505: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3506: } 3507: } 3508: } 3509: $response .= '</form>'; 3510: return $response; 3511: } 3512: 3513: sub extract_attachments { 3514: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3515: %{$attachments}=(); 3516: &get_post_attachments($attachments,$attachmenturls); 3517: foreach my $id (sort(keys(%{$attachments}))) { 3518: if (exists($$attachments{$id}{$numoldver})) { 3519: if (defined($currdelold)) { 3520: if (@{$currdelold} > 0) { 3521: unless (grep/^$id$/,@{$currdelold}) { 3522: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3523: } 3524: } else { 3525: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3526: } 3527: } else { 3528: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3529: } 3530: } 3531: } 3532: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3533: if (@attached == 1) { 3534: my $id = $attached[0]; 3535: my $attachurl; 3536: if ($attachmenturls =~ m/^<attachment id="0">/) { 3537: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3538: } else { 3539: $attachurl = $$attachments{$id}{'filename'}; 3540: } 3541: $attachurl=~m|/([^/]+)$|; 3542: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3543: $1.'</tt></a><br />'; 3544: &Apache::lonnet::allowuploaded('/adm/feedback', 3545: $attachurl); 3546: } elsif (@attached > 1) { 3547: $$message.='<ol>'; 3548: foreach my $attach (@attached) { 3549: my $id = $attach; 3550: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3551: my ($fname) 3552: =($attachurl=~m|/([^/]+)$|); 3553: $$message .= '<li><a href="'.$attachurl. 3554: '"><tt>'. 3555: $fname.'</tt></a></li>'; 3556: &Apache::lonnet::allowuploaded('/adm/feedback', 3557: $attachurl); 3558: } 3559: $$message .= '</ol>'; 3560: } 3561: } 3562: 3563: sub construct_attachmenturl { 3564: my ($currnewattach,$keepold,$symb,$idx)=@_; 3565: my $oldattachmenturl; 3566: my $newattachmenturl; 3567: my $startnum = 0; 3568: my $currver = 0; 3569: if (($env{'form.editdisc'}) && ($idx)) { 3570: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3571: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3572: $env{'course.'.$env{'request.course.id'}.'.num'}); 3573: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3574: if ($contrib{$idx.':history'}) { 3575: if ($contrib{$idx.':history'} =~ /:/) { 3576: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3577: $currver = 1 + scalar(@oldversions); 3578: } else { 3579: $currver = 2; 3580: } 3581: } else { 3582: $currver = 1; 3583: } 3584: if ($oldattachmenturl) { 3585: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3586: my %attachments = (); 3587: my $prevver = $currver-1; 3588: &get_post_attachments(\%attachments,$oldattachmenturl); 3589: my $numattach = scalar(keys(%attachments)); 3590: $startnum += $numattach; 3591: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3592: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3593: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3594: unless ($item eq 'filename') { 3595: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3596: } 3597: } 3598: if (grep/^$num$/,@{$keepold}) { 3599: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3600: } 3601: $newattachmenturl .= '</attachment>'; 3602: } 3603: } else { 3604: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3605: unless (grep/^0$/,@{$keepold}) { 3606: $newattachmenturl .= '<post id="1">n</post>'; 3607: } 3608: $newattachmenturl .= '</attachment>'; 3609: $startnum ++; 3610: } 3611: } 3612: } 3613: for (my $i=0; $i<@{$currnewattach}; $i++) { 3614: my $attachnum = $startnum + $i; 3615: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3616: } 3617: return $newattachmenturl; 3618: } 3619: 3620: sub add_blog_checkbox { 3621: my ($crstype) = @_; 3622: my $checkstatus; 3623: if ($env{'form.blog'}) { 3624: $checkstatus = 'checked="checked"'; 3625: } 3626: my $output = ' 3627: <script type="text/javascript"> 3628: function setblogvalue() { 3629: if (document.mailform.blog.checked) { 3630: document.attachment.blog.value = 1; 3631: } else { 3632: document.attachment.blog.value = 0; 3633: } 3634: } 3635: </script><br /> 3636: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3637: if ($crstype eq 'Community') { 3638: $output .= &mt('Add to my public community blog'); 3639: } else { 3640: $output .= &mt('Add to my public course blog'); 3641: } 3642: $output .= '</label><br />'."\n"; 3643: return $output; 3644: } 3645: 3646: sub has_discussion { 3647: my $resourcesref = shift; 3648: my $navmap = Apache::lonnavmaps::navmap->new(); 3649: if (defined($navmap)) { 3650: my @allres=$navmap->retrieveResources(); 3651: foreach my $resource (@allres) { 3652: if ($resource->hasDiscussion()) { 3653: my $ressymb = $resource->wrap_symb(); 3654: if (ref($resourcesref) eq 'ARRAY') { 3655: push(@{$resourcesref}, $ressymb); 3656: } 3657: } 3658: } 3659: } else { 3660: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3661: } 3662: return; 3663: } 3664: 3665: sub sort_filter_names { 3666: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3667: if (ref($sort_types) eq 'HASH') { 3668: %{$sort_types} = ( 3669: ascdate => 'Date order - oldest first', 3670: descdate => 'Date order - newest first', 3671: thread => 'Threaded', 3672: subject => 'By subject', 3673: username => 'By domain and username', 3674: lastfirst => 'By last name, first name' 3675: ); 3676: } 3677: my @courseroles = qw(st in ta ep ad); 3678: if ($crstype eq 'Community') { 3679: push(@courseroles,'co'); 3680: } else { 3681: push(@courseroles,'cc'); 3682: } 3683: if (ref($role_types) eq 'HASH') { 3684: foreach my $role (@courseroles) { 3685: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3686: } 3687: $role_types->{'all'} = 'All roles'; 3688: $role_types->{'cr'} = 'Custom role'; 3689: } 3690: if (ref($status_types) eq 'HASH') { 3691: %{$status_types} = ( 3692: all => 'Roles of any status', 3693: Active => 'Only active roles', 3694: Expired => 'Only past roles', 3695: Future => 'Only future roles', 3696: ); 3697: } 3698: } 3699: 3700: sub handler { 3701: my $r = shift; 3702: if ($r->header_only) { 3703: &Apache::loncommon::content_type($r,'text/html'); 3704: $r->send_http_header; 3705: return OK; 3706: } 3707: 3708: # --------------------------- Get query string for limited number of parameters 3709: 3710: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3711: ['like','unlike','modal','hide','unhide','deldisc','undeleteall','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']); 3712: my $group = $env{'form.group'}; 3713: my %attachmax = ( 3714: text => &mt('(128 KB max size)'), 3715: num => 131072, 3716: ); 3717: if ($env{'form.editdisc'}) { 3718: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3719: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3720: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3721: my $feedurl=&Apache::lonnet::clutter($url); 3722: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3723: undef,undef,undef,$group); 3724: return OK; 3725: } 3726: } 3727: if ($env{'form.discsymb'}) { 3728: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3729: my $readkey = $symb.'_read'; 3730: my $chgcount = 0; 3731: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3732: foreach my $key (keys(%env)) { 3733: if ($key =~ m/^form\.postunread_(\d+)/) { 3734: if ($readinghash{$readkey} =~ /\.$1\./) { 3735: $readinghash{$readkey} =~ s/\.$1\.//; 3736: $chgcount ++; 3737: } 3738: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3739: unless ($readinghash{$readkey} =~ /\.$1\./) { 3740: $readinghash{$readkey} .= '.'.$1.'.'; 3741: $chgcount ++; 3742: } 3743: } 3744: } 3745: if ($chgcount > 0) { 3746: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3747: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3748: } 3749: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3750: '0','0','','',$env{'form.previous'},'','','', 3751: undef,undef,undef,$group); 3752: return OK; 3753: } 3754: if ($env{'form.allversions'}) { 3755: &Apache::loncommon::content_type($r,'text/html'); 3756: &Apache::loncommon::no_cache($r); 3757: $r->send_http_header; 3758: 3759: # Breadcrumbs 3760: my $brcrum = [{'href' => '', 3761: 'text' => 'Discussion Post Versions'}]; 3762: 3763: my %parms=(); 3764: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3765: 3766: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3767: 3768: my $crs='/'.$env{'request.course.id'}; 3769: if ($env{'request.course.sec'}) { 3770: $crs.='_'.$env{'request.course.sec'}; 3771: } 3772: $crs=~s|_|/|g; 3773: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3774: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3775: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3776: ($symb)=&get_feedurl_and_clean_symb($symb); 3777: my $ressymb = &wrap_symb($symb); 3778: my $group = $env{'form.group'}; 3779: my $seeid; 3780: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3781: if (&check_group_priv($group,'dgp') eq 'ok') { 3782: $seeid = 1; 3783: } 3784: } else { 3785: $seeid = &Apache::lonnet::allowed('rin',$crs); 3786: } 3787: if ($idx > 0) { 3788: my %messages = (); 3789: my %subjects = (); 3790: my %attachmsgs = (); 3791: my %allattachments = (); 3792: my %imsfiles = (); 3793: my ($screenname,$plainname); 3794: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3795: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3796: $env{'course.'.$env{'request.course.id'}.'.num'}); 3797: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3798: } 3799: $r->print(&Apache::loncommon::end_page()); 3800: return OK; 3801: } 3802: if ($env{'form.posterlist'}) { 3803: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3804: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3805: $env{'form.sortposts'}); 3806: return OK; 3807: } 3808: if ($env{'form.userpick'}) { 3809: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3810: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3811: my $numpicks = @posters; 3812: my %discinfo; 3813: $discinfo{$symb.'_userpick'} = join('&',@posters); 3814: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3815: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3816: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3817: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3818: '',$numpicks,$group); 3819: return OK; 3820: } 3821: if ($env{'form.applysort'}) { 3822: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3823: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3824: '',$env{'form.previous'},$env{'form.sortposts'}, 3825: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3826: $env{'form.sectionpick'},$env{'form.grouppick'}, 3827: undef,$group); 3828: return OK; 3829: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3830: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3831: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3832: return OK; 3833: } elsif ($env{'form.navtime'}) { 3834: my %discinfo = (); 3835: my @resources = (); 3836: if (defined($env{'form.navmaps'})) { 3837: if ($env{'form.navmaps'} =~ /:/) { 3838: @resources = split(/:/,$env{'form.navmaps'}); 3839: } else { 3840: @resources = ("$env{'form.navmaps'}"); 3841: } 3842: } else { 3843: &has_discussion(\@resources); 3844: } 3845: my $numitems = @resources; 3846: my $feedurl = '/adm/navmaps'; 3847: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3848: my %lt = &Apache::lonlocal::texthash( 3849: 'mnpa' => 'Marked "New" posts as read in a total of', 3850: 'robb' => 'resources/bulletin boards.', 3851: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3852: ); 3853: foreach my $res (@resources) { 3854: my $ressymb=$res; 3855: &Apache::lonenc::check_decrypt(\$ressymb); 3856: my $lastkey = $ressymb.'_lastread'; 3857: $discinfo{$lastkey} = $env{'form.navtime'}; 3858: } 3859: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3860: if ($numitems > 0) { 3861: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3862: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3863: } else { 3864: $textline = "<b>$lt{'twnp'}</b>"; 3865: } 3866: &Apache::loncommon::content_type($r,'text/html'); 3867: $r->send_http_header; 3868: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3869: my %onload; 3870: 3871: my $start_page= 3872: &Apache::loncommon::start_page('New posts marked as read',undef, 3873: {'redirect' => [2,$feedurl], 3874: 'only_body' => 1, 3875: 'add_entries' => \%onload}); 3876: my $end_page = &Apache::loncommon::end_page(); 3877: $r->print (<<ENDREDIR); 3878: $start_page 3879: <img align="right" src="$logo" /> 3880: $textline 3881: <form name="reldt" action="$feedurl" target="loncapaclient"> 3882: </form> 3883: <br /> 3884: $end_page 3885: ENDREDIR 3886: return OK; 3887: } elsif ($env{'form.modifydisp'}) { 3888: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3889: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3890: split(/_/,$env{'form.changes'}); 3891: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3892: $dispchgB,$markchg,$toggchg,$feedurl); 3893: return OK; 3894: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3895: $env{'form.allposts'} || $env{'form.onlyunread'} || 3896: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3897: $env{'form.toggon'} || $env{'form.markread'}) { 3898: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3899: my %discinfo; 3900: # ------------------------ Modify setting for read/unread toggle for each post 3901: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3902: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3903: # --------- Modify setting for identification of 'NEW' posts in this discussion 3904: if ($env{'form.markondisp'}) { 3905: $discinfo{$symb.'_lastread'} = time; 3906: $discinfo{$symb.'_markondisp'} = 1; 3907: } 3908: if ($env{'form.markonread'}) { 3909: if ( $env{'form.previous'} > 0 ) { 3910: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3911: } 3912: $discinfo{$symb.'_markondisp'} = 0; 3913: } 3914: # --------------------------------- Modify display setting for this discussion 3915: if ($env{'form.allposts'}) { 3916: $discinfo{$symb.'_showonlyunread'} = 0; 3917: $discinfo{$symb.'_showonlyunmark'} = 0; 3918: } 3919: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3920: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3921: # ----------------------------------------------------- Mark new posts not NEW 3922: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3923: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3924: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3925: my $previous=$env{'form.previous'}; 3926: if ($env{'form.markondisp'}) { $previous=undef; } 3927: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3928: '0','0','','',$previous,'','','','','','',$group); 3929: return OK; 3930: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3931: # ----------------------------------------------------------------- Hide/unhide 3932: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3933: my ($symb,$idx)=split(/\:\:\:/,$entry); 3934: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3935: 3936: my $crs='/'.$env{'request.course.id'}; 3937: if ($env{'request.course.sec'}) { 3938: $crs.='_'.$env{'request.course.sec'}; 3939: } 3940: $crs=~s/\_/\//g; 3941: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3942: 3943: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3944: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3945: undef,undef,$group,); 3946: return OK; 3947: } 3948: 3949: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3950: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3951: $env{'course.'.$env{'request.course.id'}.'.num'}); 3952: 3953: my $currenthidden=$contrib{'hidden'}; 3954: my $currentstudenthidden=$contrib{'studenthidden'}; 3955: 3956: if ($env{'form.hide'}) { 3957: $currenthidden.='.'.$idx.'.'; 3958: unless ($seeid) { 3959: $currentstudenthidden.='.'.$idx.'.'; 3960: } 3961: } else { 3962: $currenthidden=~s/\.$idx\.//g; 3963: } 3964: my %newhash=('hidden' => $currenthidden); 3965: if ( ($env{'form.hide'}) && (!$seeid) ) { 3966: $newhash{'studenthidden'} = $currentstudenthidden; 3967: } 3968: if ($env{'form.hide'}) { 3969: my $changelast = 0; 3970: my $newlast; 3971: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3972: if ($changelast) { 3973: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3974: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3975: $env{'course.'.$env{'request.course.id'}.'.num'}); 3976: } 3977: } 3978: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3979: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3980: $env{'course.'.$env{'request.course.id'}.'.num'}); 3981: 3982: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3983: '0','0','','',$env{'form.previous'},undef,undef,undef, 3984: undef,undef,undef,$group); 3985: return OK; 3986: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { 3987: # ----------------------------------------------------------------- Like/unlike 3988: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; 3989: my ($symb,$idx)=split(/\:\:\:/,$entry); 3990: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3991: # 3992: # Likes and unlikes are in db-file "disclikes" of the course 3993: # The prefix is the $symb to identify the resource discussion, 3994: # and the $idx to identify the entry 3995: # 3996: my $prefix=$symb.':'.$idx.':'; 3997: my %contrib=&Apache::lonnet::dump('disclikes', 3998: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3999: $env{'course.'.$env{'request.course.id'}.'.num'}, 4000: '^'.$prefix); 4001: # Get all who like or unlike this 4002: my $currentlikers=$contrib{$prefix.'likers'}; 4003: my $currentunlikers=$contrib{$prefix.'unlikers'}; 4004: # Get the current "likes" count 4005: my $likes=$contrib{$prefix.'likes'}; 4006: # Find out if they already voted 4007: # Users cannot like a post twice, or unlike it twice. They can change their mind, though 4008: my $alreadyflag=0; 4009: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 4010: if ($env{'form.like'}) { 4011: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 4012: $alreadyflag=1; 4013: } else { 4014: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 4015: $currentunlikers=~s/\,\Q$thisuser\E\,//g; 4016: } else { 4017: $currentlikers.=','.$thisuser.','; 4018: } 4019: $likes++; 4020: } 4021: } else { 4022: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 4023: $alreadyflag=1; 4024: } else { 4025: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 4026: $currentlikers=~s/\,\Q$thisuser\E\,//g; 4027: } else { 4028: $currentunlikers.=','.$thisuser.','; 4029: } 4030: $likes--; 4031: } 4032: } 4033: my $result; 4034: # $alreadyflag would be 1 if they tried to double-like or double-unlike 4035: unless ($alreadyflag) { 4036: my %newhash=($prefix.'likes' => $likes, 4037: $prefix.'likers' => $currentlikers, 4038: $prefix.'unlikers' => $currentunlikers); 4039: # Store data in db-file "disclikes" 4040: if (&Apache::lonnet::put('disclikes', 4041: \%newhash, 4042: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4043: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 4044: # Also store with the person who posted the liked/unliked entry 4045: if ($env{'form.like'}) { 4046: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 4047: $result=&mt("Registered 'Like'"); 4048: } else { 4049: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 4050: $result=&mt("Registered 'Unlike'"); 4051: } 4052: } else { 4053: # Oops, something went wrong 4054: $result=&mt("Failed to register vote"); 4055: } 4056: } 4057: &redirect_back($r,$feedurl,$result.'<br />', 4058: '0','0','','',$env{'form.previous'},undef,undef,undef, 4059: undef,undef,undef,$group); 4060: return OK; 4061: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 4062: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 4063: if ($env{'form.cmd'} eq 'threadedon') { 4064: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 4065: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 4066: } else { 4067: &Apache::lonnet::del('environment',['threadeddiscussion']); 4068: &Apache::lonnet::delenv('environment.threadeddiscussion'); 4069: } 4070: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 4071: '0','0','','',$env{'form.previous'},undef,undef,undef, 4072: undef,undef,undef,$group); 4073: return OK; 4074: } elsif ($env{'form.deldisc'}) { 4075: # --------------------------------------------------------------- Hide for good 4076: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 4077: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 4078: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4079: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4080: $env{'course.'.$env{'request.course.id'}.'.num'}); 4081: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 4082: if ($changelast) { 4083: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 4084: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 4085: } 4086: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 4087: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 4088: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4089: $env{'course.'.$env{'request.course.id'}.'.num'}); 4090: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 4091: '0','0','','',$env{'form.previous'},undef,undef,undef, 4092: undef,undef,undef,$group); 4093: return OK; 4094: } elsif ($env{'form.preview'}) { 4095: # -------------------------------------------------------- User wants a preview 4096: &show_preview($r); 4097: return OK; 4098: } elsif ($env{'form.attach'}) { 4099: # -------------------------------------------------------- Work on attachments 4100: &Apache::loncommon::content_type($r,'text/html'); 4101: $r->send_http_header; 4102: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 4103: my (@currnewattach,@currdelold,@keepold,$toolarge); 4104: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 4105: if (exists($env{'form.addnewattach.filename'})) { 4106: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 4107: my $subdir = 'feedback/'.$env{'form.timestamp'}; 4108: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 4109: push(@currnewattach, $newattachment); 4110: } else { 4111: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4112: } 4113: } 4114: my $attachmenturls; 4115: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 4116: my $idx = $env{'form.idx'}; 4117: if ($idx) { 4118: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4119: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4120: $env{'course.'.$env{'request.course.id'}.'.num'}); 4121: $attachmenturls = $contrib{$idx.':attachmenturl'}; 4122: } 4123: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 4124: $attachmenturls,$attachmax{'text'},$toolarge); 4125: return OK; 4126: } elsif ($env{'form.export'}) { 4127: &Apache::loncommon::content_type($r,'text/html'); 4128: $r->send_http_header; 4129: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 4130: my $mode='board'; 4131: my $status='OPEN'; 4132: my $previous=$env{'form.previous'}; 4133: if ($feedurl =~ /$LONCAPA::assess_re/) { 4134: $mode='problem'; 4135: $status=$Apache::inputtags::status[-1]; 4136: } 4137: my $discussion = &list_discussion($mode,$status,$symb); 4138: my $start_page = 4139: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 4140: my $end_page = 4141: &Apache::loncommon::end_page(); 4142: $r->print($start_page.$discussion.$end_page); 4143: return OK; 4144: 4145: } elsif ($env{'form.undeleteall'}) { 4146: &Apache::loncommon::content_type($r,'text/html'); 4147: $r->send_http_header; 4148: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.undeleteall'}); 4149: $r->print(&Apache::loncommon::start_page('Undelete all deleted discussion entries')); 4150: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) { 4151: if (&Apache::lonnet::store({'deleted' => ''},$symb,$env{'request.course.id'}, 4152: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4153: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 4154: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries"))); 4155: } else { 4156: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1)); 4157: } 4158: $r->print("<br /><a href='$feedurl'>".&mt("Return and reload")."</a>"); 4159: } 4160: $r->print(&Apache::loncommon::end_page()); 4161: return OK; 4162: } else { 4163: # ------------------------------------------------------------- Normal feedback 4164: my $feedurl=$env{'form.postdata'}; 4165: $feedurl=~s/^https?\:\/\///; 4166: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 4167: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 4168: $feedurl=~s/\?.+$//; 4169: 4170: my $symb; 4171: if ($env{'form.replydisc'}) { 4172: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 4173: } elsif ($env{'form.editdisc'}) { 4174: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 4175: } elsif ($env{'form.origpage'}) { 4176: $symb=""; 4177: } elsif ($env{'form.sendmessageonly'}) { 4178: $symb=(split(/\:\:\:/,$env{'form.sendmessageonly'}))[0]; 4179: } else { 4180: $symb=&Apache::lonnet::symbread($feedurl); 4181: } 4182: unless ($symb) { 4183: $symb=$env{'form.symb'}; 4184: } 4185: if (defined($symb)) { 4186: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 4187: } else { 4188: # backward compatibility (bulletin boards used to be 'wrapped') 4189: &Apache::lonenc::check_decrypt(\$feedurl); 4190: &dewrapper(\$feedurl); 4191: } 4192: my $goahead=1; 4193: if ($feedurl=~/$LONCAPA::assess_re/) { 4194: unless ($symb) { $goahead=0; } 4195: } 4196: if (!$goahead) { 4197: # Ambiguous Problem Resource 4198: $r->internal_redirect('/adm/ambiguous'); 4199: return OK; 4200: } 4201: # Go ahead with feedback, no ambiguous reference 4202: unless ( 4203: ( 4204: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 4205: ) 4206: || 4207: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 4208: || 4209: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 4210: ) { 4211: &Apache::loncommon::content_type($r,'text/html'); 4212: $r->send_http_header; 4213: # Unable to give feedback 4214: &Apache::lonenc::check_encrypt(\$feedurl); 4215: &no_redirect_back($r,$feedurl); 4216: return OK; 4217: } 4218: # --------------------------------------------------- Print login screen header 4219: unless ($env{'form.sendit'}) { 4220: &Apache::lonenc::check_encrypt(\$feedurl); 4221: &Apache::loncommon::content_type($r,'text/html'); 4222: $r->send_http_header; 4223: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 4224: my ($blocked,$blocktext) = 4225: &Apache::loncommon::blocking_status('boards'); 4226: if ($blocked) { 4227: $r->print(&blocked_reply_or_edit($blocktext)); 4228: return OK; 4229: } 4230: } 4231: my $options=&screen_header($feedurl,$symb,$group); 4232: if ($options) { 4233: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 4234: } else { 4235: &fail_redirect($r,$feedurl); 4236: } 4237: return OK; 4238: } 4239: 4240: # Get previous user input 4241: my $prevattempts=&Apache::loncommon::get_previous_attempt( 4242: $symb,$env{'user.name'},$env{'user.domain'}, 4243: $env{'request.course.id'}); 4244: 4245: # Get output from resource 4246: &Apache::lonenc::check_encrypt(\$feedurl); 4247: my $usersaw=&resource_output($feedurl); 4248: 4249: # Get resource answer (need to allow student to view grades for this to work) 4250: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 4251: my $usersymb = &Apache::lonenc::check_encrypt($symb); 4252: my $useranswer= 4253: &Apache::loncommon::get_student_answers( 4254: $usersymb,$env{'user.name'},$env{'user.domain'}, 4255: $env{'request.course.id'}); 4256: &Apache::lonnet::delenv('allowed.vgr'); 4257: # Get attachments, if any, and not too large 4258: my $attachmenturl=''; 4259: my $toolarge=''; 4260: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 4261: ($env{'form.replydisc'})) { 4262: my ($symb,$idx); 4263: if ($env{'form.replydisc'}) { 4264: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 4265: } elsif ($env{'form.editdisc'}) { 4266: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 4267: } elsif ($env{'form.origpage'}) { 4268: $symb = $env{'form.symb'}; 4269: } 4270: &Apache::lonenc::check_decrypt(\$symb); 4271: my @currnewattach = (); 4272: my @deloldattach = (); 4273: my @keepold = (); 4274: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 4275: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 4276: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 4277: } elsif ($env{'form.attachment.filename'}) { 4278: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 4279: my $now = time; 4280: my $subdir = 'feedback/'.$now; 4281: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 4282: } else { 4283: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4284: } 4285: } 4286: # Filter HTML out of message (could be nasty) 4287: my $override; 4288: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 4289: $override = 1; 4290: } 4291: my $message=&clear_out_html($env{'form.comment'},$override); 4292: 4293: # Assemble email 4294: my ($email,$citations)=&assemble_email($message,$prevattempts, 4295: $usersaw,$useranswer); 4296: 4297: # Who gets this? 4298: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 4299: 4300: # Actually send mail 4301: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 4302: $feedurl,$email,$citations, 4303: $attachmenturl,$usersymb,%to); 4304: 4305: # Discussion? Store that. 4306: my $numpost=0; 4307: if ( ($env{'form.discuss'} ne '' 4308: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4309: || $env{'form.anondiscuss'} ne '') { 4310: my $subject = &clear_out_html($env{'form.subject'}); 4311: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4312: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4313: $subject,$group); 4314: $numpost++; 4315: } 4316: 4317: # Add to blog? 4318: 4319: my $blog=''; 4320: if ($env{'form.blog'}) { 4321: my $subject = &clear_out_html($env{'form.subject'}); 4322: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4323: $env{'user.domain'}, 4324: 'CourseBlog_'.$env{'request.course.id'}, 4325: $subject,$message,$feedurl,'public'); 4326: if (&Apache::loncommon::course_type() eq 'Community') { 4327: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4328: } else { 4329: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4330: } 4331: } 4332: 4333: # Receipt screen and redirect back to where came from 4334: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4335: } 4336: return OK; 4337: } 4338: 4339: sub blocked_reply_or_edit { 4340: my ($blocktext) = @_; 4341: return 4342: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4343: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4344: &mt('Back to previous page'). 4345: &Apache::loncommon::end_page(); 4346: } 4347: 4348: sub wrap_symb { 4349: my ($ressymb)=@_; 4350: if ($ressymb =~ /bulletin___\d+___/) { 4351: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4352: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4353: } 4354: } 4355: return $ressymb; 4356: } 4357: sub dewrapper { 4358: my ($feedurl)=@_; 4359: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4360: $$feedurl=~s|^/adm/wrapper||; 4361: } 4362: } 4363: 4364: sub get_feedurl { 4365: my ($symb)=@_; 4366: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4367: my $feedurl = &Apache::lonnet::clutter($url); 4368: &dewrapper(\$feedurl); 4369: return $feedurl; 4370: } 4371: 4372: sub get_feedurl_and_clean_symb { 4373: my ($symb)=@_; 4374: &Apache::lonenc::check_decrypt(\$symb); 4375: # backward compatibility (bulletin boards used to be 'wrapped') 4376: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4377: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4378: } 4379: my $feedurl = &get_feedurl($symb); 4380: return ($symb,$feedurl); 4381: } 4382: 4383: sub editing_allowed { 4384: my ($postid,$group) = @_; 4385: $postid = &unescape($postid); 4386: my $can_edit = 0; 4387: if ($group ne '') { 4388: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4389: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4390: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4391: if (&check_group_priv($group,'egp') eq 'ok') { 4392: $can_edit = 1; 4393: } 4394: return $can_edit; 4395: } 4396: } 4397: my $cid = $env{'request.course.id'}; 4398: my $role = (split(/\./,$env{'request.role'}))[0]; 4399: my $section = $env{'request.course.sec'}; 4400: my $allow_editing_config = 4401: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4402: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4403: $can_edit = 1; 4404: } else { 4405: foreach my $editor (split(/,/,$allow_editing_config)) { 4406: my ($editor_role,$editor_sec) = split(/:/,$editor); 4407: if ($editor_role eq $role 4408: && defined($editor_sec) 4409: && defined($section) 4410: && $editor_sec eq $section) { 4411: $can_edit = 1; 4412: last; 4413: } 4414: if ($editor_role eq $role 4415: && !defined($editor_sec)) { 4416: $can_edit = 1; 4417: } 4418: } 4419: } 4420: return $can_edit; 4421: } 4422: 4423: sub check_group_priv { 4424: my ($group,$grp_priv) = @_; 4425: foreach my $priv ('mdg','vcg') { 4426: my $checkcourse = $env{'request.course.id'}. 4427: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4428: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4429: return 'ok'; 4430: } 4431: } 4432: if ($grp_priv && $group ne '') { 4433: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4434: return 'ok'; 4435: } 4436: } 4437: return ''; 4438: } 4439: 4440: sub group_args { 4441: my ($group) = @_; 4442: if ($group eq '') { return ''; } 4443: my $extra_args = '&group='.$group; 4444: if (exists($env{'form.ref'})) { 4445: $extra_args .= '&ref='.$env{'form.ref'}; 4446: } 4447: return $extra_args; 4448: } 4449: 4450: sub get_resource_title { 4451: my ($symb,$feedurl) = @_; 4452: my ($restitle,$plainurl); 4453: if (defined($symb)) { 4454: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4455: $restitle = &Apache::lonnet::gettitle($plain_symb); 4456: } 4457: if (defined($feedurl)) { 4458: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4459: } 4460: if (!defined($restitle)) { 4461: if (defined($feedurl)) { 4462: $restitle = &Apache::lonnet::gettitle($plainurl); 4463: } 4464: } 4465: if ($plainurl ne $feedurl) { 4466: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4467: if ($plain_filename eq $restitle) { 4468: $restitle = &mt('Untitled resource'); 4469: } 4470: } 4471: if ($restitle eq '') { 4472: $restitle = &mt('Untitled resource'); 4473: } 4474: return $restitle; 4475: } 4476: 4477: 1; 4478: __END__ 4479: 4480: 4481: =pod 4482: 4483: =head1 NAME 4484: 4485: Apache::lonfeedback.pm 4486: 4487: =head1 SYNOPSIS 4488: 4489: Handles feedback from students to instructors and system administrators. 4490: 4491: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4492: 4493: Used by lonmsg.pm. 4494: 4495: This is part of the LearningOnline Network with CAPA project 4496: described at http://www.lon-capa.org. 4497: 4498: =head1 OVERVIEW 4499: 4500: None 4501: 4502: =head1 SUBROUTINES 4503: 4504: =over 4505: 4506: =item discussion_open() 4507: 4508: =item discussion_visible() 4509: 4510: =item list_discussion() 4511: 4512: =item send_feedback_link() 4513: 4514: =item send_message_link() 4515: 4516: =item action_links_bar() 4517: 4518: =item postingform_display() 4519: 4520: =item build_posting_display 4521: 4522: =item filter_regexp() 4523: 4524: =item get_post_contents() 4525: 4526: =item replicate_attachments() 4527: 4528: =item mail_screen() 4529: 4530: =item print_display_options() 4531: 4532: =item print_sortfilter_options() 4533: 4534: =item print_showposters() 4535: 4536: =item get_post_versions() 4537: 4538: =item get_post_attachments() 4539: 4540: =item fail_redirect() 4541: 4542: =item redirect_back() 4543: 4544: =item no_redirect_back() 4545: 4546: =item screen_header() 4547: 4548: =item resource_output() 4549: 4550: =item clear_out_html() 4551: 4552: =item assemble_email() 4553: 4554: =item feedback_available() 4555: 4556: =item send_msg() 4557: 4558: =item adddiscuss() 4559: 4560: =item get_discussion_info() 4561: 4562: =item show_preview() 4563: 4564: =item newline_to_br() 4565: 4566: =item tidy_html() 4567: 4568: =item generate_preview_button() 4569: 4570: =item modify_attachments() 4571: 4572: =item process_attachments() 4573: 4574: =item generate_attachments_button() 4575: 4576: =item extract_attachments() 4577: 4578: =item construct_attachmenturl() 4579: 4580: =item add_blog_checkbox() 4581: 4582: =item has_discussion() 4583: 4584: =item sort_filter_names() 4585: 4586: =item handler() 4587: 4588: =item blocked_reply_or_edit() 4589: 4590: =item wrap_symb() 4591: 4592: =item dewrapper() 4593: 4594: =item get_feedurl() 4595: 4596: =item get_feedurl_and_clean_symb() 4597: 4598: =item editing_allowed() 4599: 4600: =item check_group_priv() 4601: 4602: =item group_args() 4603: 4604: =item get_resource_title() 4605: 4606: =back 4607: 4608: =cut