loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.340: download - view: text, annotated - select for diffs
Thu Mar 15 12:45:21 2012 UTC (12 years, 2 months ago) by goltermann
Branches: MAIN
CVS tags: HEAD

added pickboxes to unify the ui.
tidied up text and buttons to be more clear.
changed a headline to fit to context.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.340 2012/03/15 12:45:21 goltermann 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: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1156: } 1157: if ($outputtarget ne 'tex') { 1158: # Add karma stars 1159: my $karma=&userkarma($contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 1160: for (my $i=1;$i<=$karma;$i++) { 1161: $sender.='<img border="0" src="/res/adm/pages/star.gif" alt="'.&mt('Contributor Kudos').'" />'; 1162: } 1163: # Can people edit this? 1164: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1165: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1166: $sender.=' '. 1167: &discussion_link($symb,&mt('Edit'),'editdisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1168: unless ($seeid) { 1169: my $grpargs = &group_args($group); 1170: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1171: $sender .= '">'.&mt('Delete').'</a>'; 1172: } 1173: } 1174: } 1175: if ($seeid) { 1176: if ($hiddens{$idx}) { 1177: unless ($studenthidden) { 1178: $sender.=' '. 1179: &discussion_link($symb,&mt('Make Visible'),'unhide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1180: } 1181: } else { 1182: $sender.=' '. 1183: &discussion_link($symb,&mt('Hide'),'hide',$idx,$$newpostsflag,$prevread,&group_args($group)); 1184: } 1185: my $grpargs = &group_args($group); 1186: $sender.= 1187: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1188: $sender .= &mt('Delete').'</a>'; 1189: } 1190: } 1191: } else { 1192: if ($screenname) { 1193: $sender='<i>'.$screenname.'</i>'; 1194: } else { 1195: $sender='<i>'.$$anonhash{$key}.'</i>'; 1196: } 1197: $sender = '<b>'.$sender.'</b>'; 1198: # Set up for sorting by domain, then username for anonymous 1199: unless (defined($$usernamesort{'__anon'})) { 1200: %{$$usernamesort{'__anon'}} = (); 1201: } 1202: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1203: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1204: } else { 1205: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1206: } 1207: # Set up for sorting by last name, then first name for anonymous 1208: unless (defined($$namesort{'__anon'})) { 1209: %{$$namesort{'__anon'}} = (); 1210: } 1211: if (defined($$namesort{'__anon'}{'__anon'})) { 1212: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1213: } else { 1214: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1215: } 1216: } 1217: if ($outputtarget ne 'tex') { 1218: if (&discussion_open($status)) { 1219: if (($group ne '') && 1220: (&check_group_priv($group,'pgd') eq 'ok')) { 1221: $sender.=' '. 1222: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread,&group_args($group)); 1223: } elsif (&Apache::lonnet::allowed('pch', 1224: $env{'request.course.id'}. 1225: ($env{'request.course.sec'}?'/'. 1226: $env{'request.course.sec'}:''))) { 1227: $sender.=' '. 1228: &discussion_link($symb,&mt('Reply'),'replydisc',$idx,$$newpostsflag,$prevread); 1229: } 1230: } 1231: if ($viewgrades) { 1232: $vgrlink=&Apache::loncommon::submlink(&mt('Submissions'), 1233: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1234: } 1235: if ($$dischash{$readkey}=~/\.$idx\./) { 1236: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1237: } else { 1238: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1239: } 1240: } 1241: } 1242: #figure out at what position this needs to print 1243: } 1244: if ($outputtarget eq 'export' || $message) { 1245: my $thisindex=$idx; 1246: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1247: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1248: } 1249: $$alldiscussion{$thisindex}=$idx; 1250: $$shown{$idx} = 0; 1251: $index[$idx]=$thisindex; 1252: } 1253: if ($outputtarget eq 'export') { 1254: %{$$imsitems{$idx}} = (); 1255: $$imsitems{$idx}{'isvisible'}='true'; 1256: if ($hiddens{$idx}) { 1257: $$imsitems{$idx}{'isvisible'}='false'; 1258: } 1259: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1260: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1261: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1262: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1263: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1264: $contrib{$idx.':sendername'}.':'. 1265: $contrib{$idx.':senderdomain'}.')'; 1266: $$imsitems{$idx}{'isanonymous'}='false'; 1267: if ($contrib{$idx.':anonymous'}) { 1268: $$imsitems{$idx}{'isanonymous'}='true'; 1269: } 1270: $$imsitems{$idx}{'currversion'}=$numoldver; 1271: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1272: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1273: $$shown{$idx} = 1; 1274: } 1275: } else { 1276: if ($message) { 1277: my $spansize = 2; 1278: if ($showonlyunread && $prevread > $posttime) { 1279: $$notshown{$idx} = 1; 1280: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1281: $$notshown{$idx} = 1; 1282: } else { 1283: # apply filters 1284: my $uname = $contrib{$idx.':sendername'}; 1285: my $udom = $contrib{$idx.':senderdomain'}; 1286: my $poster = $uname.':'.$udom; 1287: if ($env{'form.totposters'} ne '') { 1288: if ($totposters == 0) { 1289: $$shown{$idx} = 0; 1290: } elsif ($totposters > 0) { 1291: if (grep/^$poster$/,@{$posters}) { 1292: $$shown{$idx} = 1; 1293: } 1294: } 1295: } elsif ($sortposts) { 1296: if ($skiptest) { 1297: $$shown{$idx} = 1; 1298: } else { 1299: foreach my $role (@{$$roleinfo{$poster}}) { 1300: if ($role =~ /^cc:/) { 1301: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1302: if ($role =~ /$cc_regexp/) { 1303: $$shown{$idx} = 1; 1304: last; 1305: } 1306: } elsif ($role =~ /^$rolematch$/) { 1307: $$shown{$idx} = 1; 1308: last; 1309: } 1310: } 1311: } 1312: if ($$shown{$idx} && !$skip_group_check) { 1313: my $showflag = 0; 1314: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1315: foreach my $grp (@{$grouppick}) { 1316: if (grep/^\Q$grp\E$/, 1317: keys(%{$$classgroups{$poster}{active}})) { 1318: $showflag = 1; 1319: last; 1320: } 1321: } 1322: } 1323: if ($showflag) { 1324: $$shown{$idx} = 1; 1325: } else { 1326: $$shown{$idx} = 0; 1327: } 1328: } 1329: } else { 1330: $$shown{$idx} = 1; 1331: } 1332: } 1333: unless ($$notshown{$idx} == 1) { 1334: if ($prevread > 0 && $prevread <= $posttime) { 1335: $$newitem{$idx} = 1; 1336: $$discussionitems[$idx] .= '<font color="#FF0000"><b>'.&mt('NEW').'  </b></font>'; 1337: } else { 1338: $$newitem{$idx} = 0; 1339: } 1340: $$discussionitems[$idx] .= '<b>'.$subject.'</b>  '. 1341: $sender.' '.$vgrlink.' ('. 1342: &Apache::lonlocal::locallocaltime($posttime).')'; 1343: if ($$dischash{$toggkey}) { 1344: $$discussionitems[$idx].='  '.$ctlink; 1345: } 1346: # Figure out size based on likes 1347: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1348: my $likesize="100"; 1349: if ($thislikes>$twoplus) { 1350: $likesize="200"; 1351: } elsif ($thislikes>$oneplus) { 1352: $likesize="150"; 1353: } 1354: if ($thislikes<$twominus) { 1355: $likesize="50"; 1356: } elsif ($thislikes<$oneminus) { 1357: $likesize="75"; 1358: } 1359: # Actually glue in the message itself 1360: $$discussionitems[$idx].= '<br /><blockquote>'. 1361: "<div style='font-size:$likesize%'>". 1362: $message. 1363: '</div></blockquote>'; 1364: # Put in the like and unlike buttons 1365: unless ($likes{$symb.':'.$idx.':likers'}=~/\,\Q$thisuser\E\,/) { 1366: $$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsup.png" alt="'.&mt('Like').'" />','like',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Like this posting")); 1367: } else { 1368: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsup_gray.png" alt="'.&mt('You like this posting').'" />'; 1369: } 1370: unless ($likes{$symb.':'.$idx.':unlikers'}=~/\,\Q$thisuser\E\,/) { 1371: $$discussionitems[$idx].=' '.&discussion_link($symb,'<img border="0" src="/res/adm/pages/thumbsdown.png" alt="'.&mt('Unlike').'" />',,'unlike',$idx,$$newpostsflag,$prevread,&group_args($group),&mt("Unlike this posting")); 1372: } else { 1373: $$discussionitems[$idx].='<img border="0" src="/res/adm/pages/thumbsdown_gray.png" alt="'.&mt('You unlike this posting').'" />'; 1374: } 1375: my $thislikes=$likes{$symb.':'.$idx.':likes'}; 1376: if ($thislikes>0) { 1377: $$discussionitems[$idx].=' ('.&mt("[_1] likes",$thislikes).')'; 1378: } elsif ($thislikes<0) { 1379: $$discussionitems[$idx].=' ('.&mt("[_1] unlikes",abs($thislikes)).')'; 1380: } 1381: # If there is any history to this post, inform the reader 1382: if ($contrib{$idx.':history'}) { 1383: my @postversions = (); 1384: $$discussionitems[$idx] .= '  '.&mt('This post has been edited by the author.'); 1385: if ($seeid) { 1386: $$discussionitems[$idx] .= '  '. 1387: &discussion_link($symb,&mt('Display all versions'),'allversions',$idx,$$newpostsflag,$prevread,&group_args($group)); 1388: } 1389: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1390: if ($contrib{$idx.':history'} =~ m/:/) { 1391: @postversions = split(/:/,$contrib{$idx.':history'}); 1392: } else { 1393: @postversions = ("$contrib{$idx.':history'}"); 1394: } 1395: for (my $i=0; $i<@postversions; $i++) { 1396: my $version = $i+1; 1397: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1398: } 1399: } 1400: # end of unless ($$notshown ...) 1401: } 1402: # end of if ($message) ... 1403: } 1404: # end of the else-branch of target being export 1405: } 1406: # end of unless hidden or deleted 1407: } 1408: # end of the loop over all discussion entries 1409: } 1410: # end of "if there actually are any discussions 1411: } 1412: # end of subroutine "build_posting_display" 1413: } 1414: 1415: sub filter_regexp { 1416: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1417: my ($roleregexp,$secregexp,$statusregexp); 1418: my $skiptest = 1; 1419: if (@{$rolefilter} > 0) { 1420: my @okrolefilter = (); 1421: foreach my $role (@{$rolefilter}) { 1422: unless ($role eq '') { 1423: push(@okrolefilter, $role); 1424: } 1425: } 1426: if (@okrolefilter > 0) { 1427: if (grep/^all$/,@okrolefilter) { 1428: $roleregexp='[^:]+'; 1429: } else { 1430: if (@okrolefilter == 1) { 1431: $roleregexp=$okrolefilter[0]; 1432: } else { 1433: $roleregexp='('.join('|',@okrolefilter).')'; 1434: } 1435: $skiptest = 0; 1436: } 1437: } 1438: } 1439: if (@{$sectionpick} > 0) { 1440: my @oksectionpick = (); 1441: foreach my $sec (@{$sectionpick}) { 1442: unless ($sec eq '') { 1443: push(@oksectionpick, $sec); 1444: } 1445: } 1446: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1447: if (@oksectionpick == 1) { 1448: $secregexp = $oksectionpick[0]; 1449: } else { 1450: $secregexp .= '('.join('|',@oksectionpick).')'; 1451: } 1452: $skiptest = 0; 1453: } else { 1454: $secregexp .= '[^:]*'; 1455: } 1456: } 1457: 1458: if (defined($statusfilter) && $statusfilter ne '') { 1459: if ($statusfilter eq 'all') { 1460: $statusregexp = '[^:]+'; 1461: } else { 1462: $statusregexp = $statusfilter; 1463: $skiptest = 0; 1464: } 1465: } 1466: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1467: } 1468: 1469: 1470: sub get_post_contents { 1471: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1472: my $discussion = ''; 1473: my $start=$numver; 1474: my $end=$numver + 1; 1475: %{$$imsfiles{$idx}}=(); 1476: if ($type eq 'allversions') { 1477: unless($seeid) { 1478: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1479: return $discussion; 1480: } 1481: } 1482: # $$screenname=&Apache::loncommon::screenname( 1483: # $$contrib{$idx.':sendername'}, 1484: # $$contrib{$idx.':senderdomain'}); 1485: $$plainname=&Apache::loncommon::nickname( 1486: $$contrib{$idx.':sendername'}, 1487: $$contrib{$idx.':senderdomain'}); 1488: $$screenname=$$contrib{$idx.':screenname'}; 1489: 1490: my $sender=&Apache::loncommon::aboutmewrapper( 1491: $$plainname, 1492: $$contrib{$idx.':sendername'}, 1493: $$contrib{$idx.':senderdomain'}).' ('. 1494: $$contrib{$idx.':sendername'}.':'. 1495: $$contrib{$idx.':senderdomain'}.')'; 1496: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1497: my @postversions = (); 1498: if ($type eq 'allversions' || $type eq 'export') { 1499: $start = 0; 1500: if ($$contrib{$idx.':history'}) { 1501: @postversions = split(/:/,$$contrib{$idx.':history'}); 1502: } 1503: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1504: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1505: push(@postversions,$$contrib{$idx.':timestamp'}); 1506: $end = @postversions; 1507: } else { 1508: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1509: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1510: } 1511: 1512: if ($$contrib{$idx.':anonymous'}) { 1513: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1514: } 1515: if ($type eq 'allversions') { 1516: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1517: } 1518: for (my $i=$start; $i<$end; $i++) { 1519: my ($timesent,$attachmsg); 1520: my %currattach = (); 1521: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1522: unless (&contains_block_html($messages->{$i})) { 1523: &newline_to_br(\$messages->{$i}); 1524: } 1525: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1526: $$subjects{$i}=~s/\n/\<br \/\>/g; 1527: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1528: if ($attachmenturls) { 1529: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1530: } 1531: if ($type eq 'export') { 1532: $$imsfiles{$idx}{$i} = ''; 1533: if ($attachmsg) { 1534: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1535: foreach my $key (sort(keys(%currattach))) { 1536: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1537: my $fname = $1.$3.'/'.$4; 1538: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'" />'."\n"; 1539: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1540: } 1541: } 1542: } 1543: } else { 1544: if ($attachmsg) { 1545: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1546: } else { 1547: $$attachtxt{$i} = ''; 1548: } 1549: } 1550: if ($type eq 'allversions') { 1551: $discussion.= <<"END"; 1552: <li><b>$$subjects{$i}</b>, $timesent<br /> 1553: $$messages{$i}<br /> 1554: $$attachtxt{$i}</li> 1555: END 1556: } 1557: } 1558: if ($type eq 'allversions') { 1559: $discussion.='</ul>'; 1560: return $discussion; 1561: } else { 1562: return; 1563: } 1564: } 1565: 1566: sub replicate_attachments { 1567: my ($attachrefs,$tempexport) = @_; 1568: my $response; 1569: foreach my $id (keys(%{$attachrefs})) { 1570: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1571: my $path = $tempexport; 1572: my $tail = $1.'/'.$2.$4; 1573: my @extras = split(/\//,$tail); 1574: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1575: if (!-e $destination) { 1576: my $i= 0; 1577: while ($i<@extras) { 1578: $path .= '/'.$extras[$i]; 1579: if (!-e $path) { 1580: mkdir($path,0700); 1581: } 1582: $i ++; 1583: } 1584: my ($content,$rtncode); 1585: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1586: if ($uploadreply eq 'ok') { 1587: my $attachcopy; 1588: if ($attachcopy = Apache::File->new('>'.$destination)) { 1589: print $attachcopy $content; 1590: close($attachcopy); 1591: } else { 1592: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1593: } 1594: } else { 1595: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1596: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1597: } 1598: } 1599: } 1600: } 1601: return $response; 1602: } 1603: 1604: sub mail_screen { 1605: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1606: if (exists($env{'form.origpage'})) { 1607: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1608: } 1609: 1610: my %lt = &Apache::lonlocal::texthash( 1611: 'myqu' => 'Question/comment/feedback:', 1612: 'title' => 'Title', 1613: 'reta' => 'Retained attachments', 1614: 'atta' => 'Attachment', 1615: ); 1616: if($env{'form.editdisc'} || $env{'form.replydisc'}){ 1617: %lt = &Apache::lonlocal::texthash( 1618: 'myqu' => 'Post Discussion', 1619: ); 1620: } 1621: my $restitle = &get_resource_title($caller_symb,$feedurl); 1622: my $quote=''; 1623: my $subject = ''; 1624: my $comment = ''; 1625: my $prevtag = ''; 1626: my $parentmsg = ''; 1627: my ($symb,$idx,$attachmenturls); 1628: my $numoldver = 0; 1629: my $attachmsg = ''; 1630: my $newattachmsg = ''; 1631: my @currnewattach = (); 1632: my @currdelold = (); 1633: my @keepold = (); 1634: my %attachments = (); 1635: my %currattach = (); 1636: my $attachnum = 0; 1637: my $anonchk = (<<END); 1638: function anonchk() { 1639: for (var i=0; i < document.mailform.discuss.length; i++) { 1640: if (document.mailform.discuss[i].checked) { 1641: document.attachment.discuss.value = 1642: document.mailform.discuss[i].value; 1643: } 1644: } 1645: if (document.mailform.blog.checked) { 1646: document.attachment.blog.value = 1; 1647: } 1648: return 1649: } 1650: END 1651: my $anonscript; 1652: if (exists($env{'form.origpage'})) { 1653: $anonscript = (<<END); 1654: function setposttype() { 1655: var disc = "$env{'form.discuss'}"; 1656: for (var i=0; i < document.mailform.discuss.length; i++) { 1657: if (disc == document.mailform.discuss[i].value) { 1658: document.mailform.discuss[i].checked = 1; 1659: } 1660: } 1661: var blog = "$env{'form.blog'}"; 1662: if (blog == 1) { 1663: document.mailform.blog.checked=1; 1664: } 1665: return 1666: } 1667: END 1668: } else { 1669: $anonscript = (<<END); 1670: function setposttype() { 1671: return 1672: } 1673: END 1674: } 1675: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1676: if ($env{'form.replydisc'}) { 1677: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1678: } else { 1679: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1680: } 1681: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1682: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1683: $env{'course.'.$env{'request.course.id'}.'.num'}); 1684: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1685: if ($contrib{$idx.':history'}) { 1686: if ($contrib{$idx.':history'} =~ /:/) { 1687: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1688: $numoldver = @oldversions; 1689: } else { 1690: $numoldver = 1; 1691: } 1692: } 1693: if ($env{'form.replydisc'}) { 1694: if ($contrib{$idx.':history'}) { 1695: if ($contrib{$idx.':history'} =~ /:/) { 1696: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1697: $numoldver = @oldversions; 1698: } else { 1699: $numoldver = 1; 1700: } 1701: } 1702: if ($idx > 0) { 1703: my %msgversions = (); 1704: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1705: $quote = $msgversions{$numoldver}; 1706: } 1707: if ($idx > 0) { 1708: my %subversions = (); 1709: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1710: $subject = &mt('Re: ').$subversions{$numoldver}; 1711: } 1712: $subject = &HTML::Entities::encode($subject,'<>&"'); 1713: } else { 1714: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1715: if ($idx > 0) { 1716: my %msgversions = (); 1717: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1718: $comment = $msgversions{$numoldver}; 1719: my %subversions = (); 1720: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1721: $subject = $subversions{$numoldver}; 1722: } 1723: if (defined($contrib{$idx.':replyto'})) { 1724: $parentmsg = $contrib{$idx.':replyto'}; 1725: } 1726: unless (exists($env{'form.origpage'})) { 1727: my $anonflag = 'nonanon'; 1728: if ($contrib{$idx.':anonymous'}) { 1729: $anonflag = 'anon'; 1730: } 1731: $anonscript = (<<END); 1732: function setposttype () { 1733: var currtype = "$anonflag"; 1734: for (var i=0; i<document.mailform.discuss.length; i++) { 1735: if (document.mailform.elements.discuss[i].value == currtype ) { 1736: document.mailform.elements.discuss[i].checked=1; 1737: } 1738: } 1739: return 1740: } 1741: END 1742: } 1743: } 1744: } 1745: if ($env{'form.previous'}) { 1746: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1747: } 1748: } 1749: 1750: if ($env{'form.origpage'}) { 1751: $subject = &unescape($env{'form.subject'}); 1752: $comment = &unescape($env{'form.comment'}); 1753: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1754: } 1755: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1,($env{'form.modal'}?'popup':0)); 1756: my $send=&mt('Send'); 1757: my $alert = &mt('Please select a feedback type.'); 1758: my $js= <<END; 1759: <script type="text/javascript"> 1760: // 1794: </script> 1795: END 1796: 1797: my ($textareaheader,$textareaclass); 1798: if (&Apache::lonhtmlcommon::htmlareabrowser()) { 1799: $textareaheader = &Apache::lonhtmlcommon::htmlareaselectactive(); 1800: $textareaclass = 'class="LC_richDefaultOff"'; 1801: if ($env{'request.course.id'}) { 1802: unless (($env{'course.'.$env{'request.course.id'}.'.allow_limited_html_in_feedback'} =~ /^\s*yes\s*$/i) || ($env{'form.sendmessageonly'})) { 1803: undef($textareaclass); 1804: } 1805: } 1806: } 1807: 1808: # Breadcrumbs 1809: my $brcrum = [{'href' => '', 1810: 'text' => 'Resource Feedback and Discussion'}]; 1811: 1812: my %onload = ('onload' => 'window.focus();setposttype();'); 1813: my %parms=('add_entries' => \%onload); 1814: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 1815: my $start_page= 1816: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js,\%parms); 1817: 1818: if ($quote ne '') { 1819: $quote = &HTML::Entities::decode($quote); 1820: unless (&contains_block_html($quote)) { 1821: &newline_to_br(\$quote); 1822: } 1823: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1824: } 1825: my $header=''; 1826: unless ($env{'form.modal'}) { 1827: $header="<h2><tt>$restitle</tt></h2>"; 1828: } 1829: $r->print(<<END); 1830: $start_page 1831: <h1>$lt{'myqu'}</h1> 1832: $header 1833: <form action="/adm/feedback" method="post" name="mailform" 1834: enctype="multipart/form-data"> 1835: $prevtag 1836: <input type="hidden" name="postdata" value="$feedurl" /> 1837: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 1838: END 1839: if ($env{'form.replydisc'}) { 1840: $r->print(<<END); 1841: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1842: END 1843: } elsif ($env{'form.editdisc'}) { 1844: $r->print(<<END); 1845: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1846: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1847: END 1848: } 1849: $r->print(<<END); 1850: $options 1851: $quote 1852: <p> 1853: $textareaheader 1854: </p> 1855: <br> 1856: <p> 1857: $latexHelp 1858: </p> 1859: <p> 1860: END 1861: 1862: $r->print(&Apache::lonhtmlcommon::start_pick_box()); 1863: $r->print(&Apache::lonhtmlcommon::row_title(&mt('Subject'))); 1864: $r->print('<input type="text" name="subject" size="30" value="'."$subject".'" /></p>'); 1865: $r->print(&Apache::lonhtmlcommon::row_closure()); 1866: $r->print(&Apache::lonhtmlcommon::row_title(&mt('Message'))); 1867: $r->print('<textarea name="comment" id="comment" cols="60" rows="10" $textareaclass>'."$comment". 1868: '</textarea>'); 1869: $r->print(&Apache::lonhtmlcommon::row_closure(1)); 1870: $r->print(&Apache::lonhtmlcommon::end_pick_box()); 1871: 1872: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1873: if ($env{'form.origpage'}) { 1874: foreach my $attach (@currnewattach) { 1875: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1876: } 1877: foreach my $oldatt (@currdelold) { 1878: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1879: } 1880: } 1881: if ($env{'form.editdisc'}) { 1882: if ($attachmenturls) { 1883: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1884: $attachnum = scalar(keys(%currattach)); 1885: foreach my $key (keys(%currattach)) { 1886: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1887: } 1888: } 1889: } 1890: } else { 1891: $r->print(<<END); 1892: <p> 1893: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1894: </p> 1895: END 1896: } 1897: if (exists($env{'form.group'})) { 1898: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1899: } 1900: if (exists($env{'form.ref'})) { 1901: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1902: } 1903: $r->print(<<END); 1904: <p> 1905: <input type="hidden" name="sendit" value="1" /> 1906: <input type="button" value="$send" onclick='gosubmit();' /> 1907: </p> 1908: </form> 1909: END 1910: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1911: my $now = time; 1912: my $ressymb = $symb; 1913: &Apache::lonenc::check_encrypt(\$ressymb); 1914: my $postidx = ''; 1915: if ($env{'form.editdisc'}) { 1916: $postidx = $idx; 1917: } 1918: if (@currnewattach > 0) { 1919: $attachnum += @currnewattach; 1920: } 1921: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1922: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1923: if ($attachnum > 0) { 1924: if (@currnewattach > 0) { 1925: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1926: if (@currnewattach > 1) { 1927: $newattachmsg .= '<ol>'; 1928: foreach my $item (@currnewattach) { 1929: $item =~ m#.*/([^/]+)$#; 1930: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1931: } 1932: $newattachmsg .= '</ol>'."\n"; 1933: } else { 1934: $currnewattach[0] =~ m#.*/([^/]+)$#; 1935: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1936: } 1937: } 1938: if ($attachmsg) { 1939: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1940: } 1941: if ($newattachmsg) { 1942: $r->print("$newattachmsg<br />"); 1943: } 1944: } 1945: } 1946: $r->print(&generate_preview_button(). 1947: &Apache::loncommon::end_page()); 1948: 1949: } 1950: 1951: sub print_display_options { 1952: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1953: &Apache::loncommon::content_type($r,'text/html'); 1954: $r->send_http_header; 1955: 1956: my $function = &Apache::loncommon::get_users_function(); 1957: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1958: $env{'user.domain'}); 1959: 1960: my %lt = &Apache::lonlocal::texthash( 1961: 'pref' => 'Display Preference', 1962: 'curr' => 'Current setting ', 1963: 'actn' => 'Action', 1964: 'deff' => 'Default for all discussions', 1965: 'prca' => 'Preferences can be set for this discussion that determine ....', 1966: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1967: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1968: 'wipa' => 'Whether individual posts can be marked as read/unread', 1969: 'allposts' => 'All posts', 1970: 'unread' => 'New posts only', 1971: 'unmark' => 'Posts not marked read', 1972: 'ondisp' => 'Once displayed', 1973: 'onmark' => 'Once marked not NEW', 1974: 'toggon' => 'Shown', 1975: 'toggoff' => 'Not shown', 1976: 'disa' => 'Posts displayed?', 1977: 'npmr' => 'New posts cease to be identified as "NEW"?', 1978: 'dotm' => 'Option to mark each post as read/unread?', 1979: 'chgt' => 'Change to ', 1980: 'mkdf' => 'Set to ', 1981: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1982: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1983: ); 1984: 1985: my $dispchangeA = $lt{'unread'}; 1986: my $dispchangeB = $lt{'unmark'}; 1987: my $markchange = $lt{'ondisp'}; 1988: my $toggchange = $lt{'toggon'}; 1989: my $currdisp = $lt{'allposts'}; 1990: my $currmark = $lt{'onmark'}; 1991: my $discdisp = 'allposts'; 1992: my $discmark = 'onmark'; 1993: my $currtogg = $lt{'toggoff'}; 1994: my $disctogg = 'toggoff'; 1995: 1996: if ($dispchgA eq 'allposts') { 1997: $dispchangeA = $lt{'allposts'}; 1998: $currdisp = $lt{'unread'}; 1999: $discdisp = 'unread'; 2000: } 2001: 2002: if ($markchg eq 'markonread') { 2003: $markchange = $lt{'onmark'}; 2004: $currmark = $lt{'ondisp'}; 2005: $discmark = 'ondisp'; 2006: } 2007: 2008: if ($dispchgB eq 'onlyunread') { 2009: $dispchangeB = $lt{'unread'}; 2010: $currdisp = $lt{'unmark'}; 2011: $discdisp = 'unmark'; 2012: } 2013: if ($toggchg eq 'toggoff') { 2014: $toggchange = $lt{'toggoff'}; 2015: $currtogg = $lt{'toggon'}; 2016: $disctogg = 'toggon'; 2017: } 2018: 2019: my $js = <<END; 2020: <script type="text/javascript"> 2021: function discdispChk(caller) { 2022: var disctogg = '$toggchg' 2023: if (caller == 0) { 2024: if (document.modifydisp.discdisp[0].checked == true) { 2025: if (document.modifydisp.discdisp[1].checked == true) { 2026: document.modifydisp.discdisp[1].checked = false 2027: } 2028: } 2029: } 2030: if (caller == 1) { 2031: if (document.modifydisp.discdisp[1].checked == true) { 2032: if (document.modifydisp.discdisp[0].checked == true) { 2033: document.modifydisp.discdisp[0].checked = false 2034: } 2035: if (disctogg == 'toggon') { 2036: document.modifydisp.disctogg.checked = true 2037: } 2038: if (disctogg == 'toggoff') { 2039: document.modifydisp.disctogg.checked = false 2040: } 2041: } 2042: } 2043: if (caller == 2) { 2044: var dispchgB = '$dispchgB' 2045: if (disctogg == 'toggoff') { 2046: if (document.modifydisp.disctogg.checked == true) { 2047: if (dispchgB == 'onlyunmark') { 2048: document.modifydisp.discdisp[1].checked = false 2049: } 2050: } 2051: } 2052: } 2053: } 2054: 2055: function setDisp() { 2056: var prev = "$previous" 2057: var chktotal = 0 2058: if (document.modifydisp.discdisp[0].checked == true) { 2059: document.modifydisp.$dispchgA.value = "$symb" 2060: chktotal ++ 2061: } 2062: if (document.modifydisp.discdisp[1].checked == true) { 2063: document.modifydisp.$dispchgB.value = "$symb" 2064: chktotal ++ 2065: } 2066: if (document.modifydisp.discmark.checked == true) { 2067: document.modifydisp.$markchg.value = "$symb" 2068: chktotal ++ 2069: } 2070: if (document.modifydisp.disctogg.checked == true) { 2071: document.modifydisp.$toggchg.value = "$symb" 2072: chktotal ++ 2073: } 2074: if (chktotal > 0) { 2075: document.modifydisp.submit() 2076: } else { 2077: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 2078: if (prev > 0) { 2079: location.href = "$feedurl?previous=$previous" 2080: } else { 2081: location.href = "$feedurl" 2082: } 2083: } 2084: } 2085: } 2086: </script> 2087: END 2088: 2089: 2090: my $start_page = 2091: &Apache::loncommon::start_page('Discussion display options',$js); 2092: my $end_page = 2093: &Apache::loncommon::end_page(); 2094: $r->print(<<END); 2095: $start_page 2096: <form name="modifydisp" method="post" action="/adm/feedback"> 2097: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 2098: <br /> 2099: END 2100: $r->print(&Apache::loncommon::start_data_table()); 2101: $r->print(<<END); 2102: <tr> 2103: <th>$lt{'pref'}</td> 2104: <th>$lt{'curr'}</td> 2105: <th>$lt{'actn'}?</td> 2106: </tr> 2107: END 2108: $r->print(&Apache::loncommon::start_data_table_row()); 2109: $r->print(<<END); 2110: <td>$lt{'disa'}</td> 2111: <td>$lt{$discdisp}</td> 2112: <td><label><input type="checkbox" name="discdisp" onclick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 2113: <br /> 2114: <label><input type="checkbox" name="discdisp" onclick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 2115: </td> 2116: END 2117: $r->print(&Apache::loncommon::end_data_table_row()); 2118: $r->print(&Apache::loncommon::start_data_table_row()); 2119: $r->print(<<END); 2120: <td>$lt{'npmr'}</td> 2121: <td>$lt{$discmark}</td> 2122: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 2123: END 2124: $r->print(&Apache::loncommon::end_data_table_row()); 2125: $r->print(&Apache::loncommon::start_data_table_row()); 2126: $r->print(<<END); 2127: <td>$lt{'dotm'}</td> 2128: <td>$lt{$disctogg}</td> 2129: <td><label><input type="checkbox" name="disctogg" onclick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 2130: END 2131: my $save = &mt('Save'); 2132: $r->print(&Apache::loncommon::end_data_table_row()); 2133: $r->print(&Apache::loncommon::end_data_table()); 2134: $r->print(<<END); 2135: <br /> 2136: <br /> 2137: <input type="hidden" name="symb" value="$symb" /> 2138: <input type="hidden" name="previous" value="$previous" /> 2139: <input type="hidden" name="$dispchgA" value="" /> 2140: <input type="hidden" name="$dispchgB" value="" /> 2141: <input type="hidden" name="$markchg" value="" /> 2142: <input type="hidden" name="$toggchg" value="" /> 2143: <input type="button" name="sub" value="$save" onclick="javascript:setDisp()" /> 2144: END 2145: if (exists($env{'form.group'})) { 2146: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2147: } 2148: if (exists($env{'form.ref'})) { 2149: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2150: } 2151: $r->print(" 2152: <br /> 2153: <br /> 2154: </form> 2155: $end_page 2156: "); 2157: return; 2158: } 2159: 2160: sub print_sortfilter_options { 2161: my ($r,$symb,$previous,$feedurl) = @_; 2162: 2163: &Apache::loncommon::content_type($r,'text/html'); 2164: $r->send_http_header; 2165: 2166: &Apache::lonenc::check_encrypt(\$symb); 2167: my @sections; 2168: my $section_sel = ''; 2169: my $numvisible = 5; 2170: my @groups; 2171: my $group_sel = ''; 2172: my $numgroupvis = 5; 2173: my %sectioncount = &Apache::loncommon::get_sections(); 2174: my @courseroles = qw(st ad ep ta in); 2175: my $crstype = &Apache::loncommon::course_type(); 2176: my $ccrole = 'cc'; 2177: if ($crstype eq 'Community') { 2178: $ccrole = 'co'; 2179: } 2180: push(@courseroles,$ccrole); 2181: 2182: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2183: @sections = ('all',$env{'request.course.sec'}); 2184: $numvisible = 2; 2185: } else { 2186: @sections = sort {$a cmp $b} keys(%sectioncount); 2187: if (scalar(@sections) < 4) { 2188: $numvisible = scalar(@sections) + 1; 2189: } 2190: unshift(@sections,'all'); # Put 'all' at the front of the list 2191: 2192: } 2193: foreach my $sec (@sections) { 2194: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2195: } 2196: 2197: if (&check_group_priv() eq 'ok') { 2198: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2199: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2200: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2201: @groups = sort {$a cmp $b} keys(%curr_groups); 2202: if (scalar(@groups) < 4) { 2203: $numgroupvis = scalar(@groups) + 1; 2204: } 2205: unshift(@groups,'all'); # Put 'all' at the front of the list 2206: } else { 2207: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2208: if (@coursegroups > 0) { 2209: @coursegroups = sort {$a cmp $b} @coursegroups; 2210: @groups = ('all',@coursegroups); 2211: if (scalar(@groups) < 4) { 2212: $numgroupvis = scalar(@groups) + 1; 2213: } 2214: } else { 2215: @groups = ('all'); 2216: $numgroupvis = 1; 2217: } 2218: } 2219: foreach my $group (@groups) { 2220: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2221: } 2222: 2223: my $function = &Apache::loncommon::get_users_function(); 2224: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2225: $env{'user.domain'}); 2226: my %lt = &Apache::lonlocal::texthash( 2227: 'diop' => 'Display Options', 2228: 'curr' => 'Current setting ', 2229: 'actn' => 'Action', 2230: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2231: 'soor' => 'Sort order', 2232: 'spur' => 'Specific user roles', 2233: 'sprs' => 'Specific role status', 2234: 'spse' => 'Specific sections', 2235: 'spgr' => 'Specific groups', 2236: 'psub' => 'Pick specific users (by name)', 2237: 'shal' => 'Show a list of current posters', 2238: 'stor' => 'Save changes', 2239: ); 2240: 2241: my %sort_types = (); 2242: my %role_types = (); 2243: my %status_types = (); 2244: &sort_filter_names(\%sort_types,\%role_types,\%status_types,$crstype); 2245: 2246: my $js = <<END; 2247: <script type="text/javascript"> 2248: function verifyFilter() { 2249: var rolenum = 0 2250: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2251: if (document.modifyshown.rolefilter.options[i].selected == true) { 2252: rolenum ++ 2253: } 2254: } 2255: if (rolenum == 0) { 2256: document.modifyshown.rolefilter.options[0].selected = true 2257: } 2258: 2259: var secnum = 0 2260: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2261: if (document.modifyshown.sectionpick.options[i].selected == true) { 2262: secnum ++ 2263: } 2264: } 2265: if (secnum == 0) { 2266: document.modifyshown.sectionpick.options[0].selected = true 2267: } 2268: 2269: var grpnum = 0 2270: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2271: if (document.modifyshown.grouppick.options[i].selected == true) { 2272: grpnum ++ 2273: } 2274: } 2275: if (grpnum == 0) { 2276: document.modifyshown.grouppick.options[0].selected = true 2277: } 2278: 2279: document.modifyshown.submit(); 2280: } 2281: </script> 2282: END 2283: 2284: my $start_page= 2285: &Apache::loncommon::start_page('Discussion options',$js); 2286: my $end_page= 2287: &Apache::loncommon::end_page(); 2288: 2289: $r->print(<<END); 2290: $start_page 2291: <form name="modifyshown" method="post" action="/adm/feedback"> 2292: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2293: <br /> 2294: <table border="0"> 2295: <tr> 2296: <th>$lt{'soor'}</th> 2297: <th> </th> 2298: <th>$lt{'sprs'}</th> 2299: <th> </th> 2300: <th>$lt{'spur'}</th> 2301: <th> </th> 2302: <th>$lt{'spse'}</th> 2303: <th> </th> 2304: <th>$lt{'spgr'}</th> 2305: <th> </th> 2306: <th>$lt{'psub'}</th> 2307: </tr> 2308: <tr> 2309: <td align="center" valign="top"> 2310: <select name="sortposts"> 2311: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2312: <option value="descdate">$sort_types{'descdate'}</option> 2313: <option value="thread">$sort_types{'thread'}</option> 2314: <option value="subject">$sort_types{'subject'}</option> 2315: <option value="username">$sort_types{'username'}</option> 2316: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2317: </select> 2318: </td> 2319: <td> </td> 2320: <td align="center" valign="top"> 2321: <select name="statusfilter"> 2322: <option value="all" selected="selected">$status_types{'all'}</option> 2323: <option value="Active">$status_types{'Active'}</option> 2324: <option value="Expired">$status_types{'Expired'}</option> 2325: <option value="Future">$status_types{'Future'}</option> 2326: </select> 2327: </td> 2328: <td> </td> 2329: <td align="center" valign="top"> 2330: <select name="rolefilter" multiple="multiple" size="5"> 2331: <option value="all">$role_types{'all'}</option> 2332: <option value="st">$role_types{'st'}</option> 2333: <option value="$ccrole">$role_types{$ccrole}</option> 2334: <option value="in">$role_types{'in'}</option> 2335: <option value="ta">$role_types{'ta'}</option> 2336: <option value="ep">$role_types{'ep'}</option> 2337: <option value="ad">$role_types{'ad'}</option> 2338: <option value="cr">$role_types{'cr'}</option> 2339: </select> 2340: </td> 2341: <td> </td> 2342: <td align="center" valign="top"> 2343: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2344: $section_sel 2345: </select> 2346: </td> 2347: <td> </td> 2348: <td align="center" valign="top"> 2349: <select name="grouppick" multiple="multiple" size="$numvisible"> 2350: $group_sel 2351: </select> 2352: </td> 2353: <td> </td> 2354: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2355: </tr> 2356: </table> 2357: <br /> 2358: <input type="hidden" name="inhibitmenu" value="$env{'form.inhibitmenu'}" /> 2359: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2360: <input type="hidden" name="previous" value="$previous" /> 2361: <input type="hidden" name="applysort" value="$symb" /> 2362: <input type="button" name="sub" value="$lt{'stor'}" onclick="verifyFilter()" /> 2363: END 2364: if (exists($env{'form.group'})) { 2365: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2366: } 2367: if (exists($env{'form.ref'})) { 2368: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2369: } 2370: $r->print(" 2371: <br /> 2372: <br /> 2373: </form> 2374: $end_page 2375: "); 2376: } 2377: 2378: sub print_showposters { 2379: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2380: 2381: &Apache::loncommon::content_type($r,'text/html'); 2382: $r->send_http_header; 2383: 2384: &Apache::lonenc::check_encrypt(\$symb); 2385: my $crs='/'.$env{'request.course.id'}; 2386: if ($env{'request.course.sec'}) { 2387: $crs.='_'.$env{'request.course.sec'}; 2388: } 2389: $crs=~s/\_/\//g; 2390: my $seeid; 2391: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2392: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2393: my $group = $env{'form.group'}; 2394: my $ressymb = &wrap_symb($symb); 2395: if (($group ne '') && 2396: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2397: if (&check_group_priv($group,'dgp') eq 'ok') { 2398: $seeid = 1; 2399: } 2400: } else { 2401: $seeid=&Apache::lonnet::allowed('rin',$crs); 2402: } 2403: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2404: $cdom,$cnum); 2405: my %namesort = (); 2406: my %postcounts = (); 2407: 2408: my %lt = &Apache::lonlocal::texthash( 2409: sele => 'Select', 2410: full => 'Fullname', 2411: usdo => 'Username:domain', 2412: post => 'Posts', 2413: ); 2414: if ($contrib{'version'}) { 2415: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2416: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2417: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2418: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2419: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2420: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2421: my $lastname = $names{'lastname'}; 2422: my $firstname = $names{'firstname'}; 2423: if ($lastname eq '') { 2424: $lastname = '_'; 2425: } 2426: if ($firstname eq '') { 2427: $firstname = '_'; 2428: } 2429: unless (defined($namesort{$lastname})) { 2430: %{$namesort{$lastname}} = (); 2431: } 2432: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2433: $postcounts{$poster} ++; 2434: if (defined($namesort{$lastname}{$firstname})) { 2435: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2436: push(@{$namesort{$lastname}{$firstname}}, $poster); 2437: } 2438: } else { 2439: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2440: } 2441: } 2442: } 2443: } 2444: } 2445: 2446: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2447: my $table_start =&Apache::loncommon::start_data_table(); 2448: $r->print(<<END); 2449: $start_page 2450: <form name="pickpostersform" method="post"> 2451: <br /> 2452: $table_start 2453: <tr> 2454: <th>#</th> 2455: <th>$lt{'sele'}</th> 2456: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2457: <th>$lt{'post'}</th> 2458: </tr> 2459: END 2460: my $count = 0; 2461: foreach my $last (sort(keys(%namesort))) { 2462: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2463: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2464: my ($uname,$udom) = split(/:/,$user); 2465: if (!$uname || !$udom) { 2466: next; 2467: } else { 2468: $count ++; 2469: $r->print(&Apache::loncommon::start_data_table_row(). 2470: '<td align="right">'.$count.'</td> 2471: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2472: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2473: <td>'.$postcounts{$user}.'</td>'. 2474: &Apache::loncommon::end_data_table_row()); 2475: } 2476: } 2477: } 2478: } 2479: $r->print(&Apache::loncommon::end_data_table()); 2480: my $end_page = &Apache::loncommon::end_page(); 2481: $r->print(<<END); 2482: <br /> 2483: <input type="hidden" name="sortposts" value="$sortposts" /> 2484: <input type="hidden" name="modal" value="$env{'form.modal'}" /> 2485: <input type="hidden" name="userpick" value="$symb" /> 2486: <input type="button" name="store" value="Display posts" onclick="javascript:document.pickpostersform.submit()" /> 2487: </form> 2488: $end_page 2489: END 2490: } 2491: 2492: sub get_post_versions { 2493: my ($versions,$incoming,$htmldecode,$numver) = @_; 2494: if ($incoming =~ /^<version num="0">/) { 2495: my $p = HTML::LCParser->new(\$incoming); 2496: my $done = 0; 2497: 2498: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2499: my $num = $token->[1]{num}; 2500: my $text = $p->get_text("/version"); 2501: if (defined($numver)) { 2502: if ($num == $numver) { 2503: if ($htmldecode) { 2504: $text = &HTML::Entities::decode($text); 2505: } 2506: $$versions{$numver}=$text; 2507: $done = 1; 2508: } 2509: } else { 2510: if ($htmldecode) { 2511: $text = &HTML::Entities::decode($text); 2512: } 2513: $$versions{$num}=$text; 2514: } 2515: } 2516: } else { 2517: if (!defined($numver)) { 2518: $numver = 0; 2519: } 2520: if ($htmldecode) { 2521: $$versions{$numver} = $incoming; 2522: } else { 2523: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2524: } 2525: } 2526: return; 2527: } 2528: 2529: sub get_post_attachments { 2530: my ($attachments,$attachmenturls) = @_; 2531: my $num; 2532: if ($attachmenturls =~ m/^<attachment id="0">/) { 2533: my $p = HTML::LCParser->new(\$attachmenturls); 2534: while (my $token = $p->get_tag("attachment","filename","post")) { 2535: if ($token->[0] eq "attachment") { 2536: $num = $token->[1]{id}; 2537: %{$$attachments{$num}} =(); 2538: } elsif ($token->[0] eq "filename") { 2539: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2540: } elsif ($token->[0] eq "post") { 2541: my $id = $token->[1]{id}; 2542: $$attachments{$num}{$id} = $p->get_text("/post"); 2543: } 2544: } 2545: } else { 2546: %{$$attachments{'0'}} = (); 2547: $$attachments{'0'}{'filename'} = $attachmenturls; 2548: $$attachments{'0'}{'0'} = 'n'; 2549: } 2550: 2551: return; 2552: } 2553: 2554: sub fail_redirect { 2555: my ($r,$feedurl) = @_; 2556: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2557: my %lt = &Apache::lonlocal::texthash( 2558: 'sorr' => 'Sorry, no recipients ...', 2559: ); 2560: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2561: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2562: {'redirect' => [2,$feedurl], 2563: 'only_body' => 1,})); 2564: $r->print(<<ENDFAILREDIR); 2565: <img align="right" src="$logo" /> 2566: <b>$lt{'sorr'}</b> 2567: ENDFAILREDIR 2568: $r->print(&Apache::loncommon::end_page()); 2569: } 2570: 2571: sub redirect_back { 2572: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2573: my $sorttag = ''; 2574: my $roletag = ''; 2575: my $statustag = ''; 2576: my $sectag = ''; 2577: my $grptag = ''; 2578: my $userpicktag = ''; 2579: my $qrystr = ''; 2580: my $prevtag = ''; 2581: 2582: &Apache::loncommon::content_type($r,'text/html'); 2583: $r->send_http_header; 2584: &dewrapper(\$feedurl); 2585: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2586: if ($previous > 0) { 2587: $qrystr = 'previous='.$previous; 2588: if ($feedurl =~ /\?register=1/) { 2589: $feedurl .= '&'.$qrystr; 2590: } else { 2591: $feedurl .= '?'.$qrystr; 2592: } 2593: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2594: } 2595: if (defined($sort)) { 2596: my $sortqry = 'sortposts='.$sort; 2597: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2598: $feedurl .= '&'.$sortqry; 2599: } else { 2600: $feedurl .= '?'.$sortqry; 2601: } 2602: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2603: if (defined($numpicks)) { 2604: my $userpickqry = 'totposters='.$numpicks; 2605: $feedurl .= '&'.$userpickqry; 2606: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2607: } else { 2608: if (ref($sectionpick) eq 'ARRAY') { 2609: $feedurl .= '&sectionpick='; 2610: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2611: foreach my $sec (@{$sectionpick}) { 2612: $feedurl .= $sec.','; 2613: $sectag .= $sec.','; 2614: } 2615: $feedurl =~ s/,$//; 2616: $sectag =~ s/,$//; 2617: $sectag .= '" />'; 2618: } else { 2619: $feedurl .= '&sectionpick='.$sectionpick; 2620: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2621: } 2622: if (ref($grouppick) eq 'ARRAY') { 2623: $feedurl .= '&grouppick='; 2624: $sectag .= '<input type="hidden" name="grouppick" value="'; 2625: foreach my $grp (@{$grouppick}) { 2626: $feedurl .= $grp.','; 2627: $grptag .= $grp.','; 2628: } 2629: $feedurl =~ s/,$//; 2630: $grptag =~ s/,$//; 2631: $grptag .= '" />'; 2632: } else { 2633: $feedurl .= '&grouppick='.$grouppick; 2634: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2635: } 2636: if (ref($rolefilter) eq 'ARRAY') { 2637: $feedurl .= '&rolefilter='; 2638: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2639: foreach my $role (@{$rolefilter}) { 2640: $feedurl .= $role.','; 2641: $roletag .= $role.','; 2642: } 2643: $feedurl =~ s/,$//; 2644: $roletag =~ s/,$//; 2645: $roletag .= '" />'; 2646: } else { 2647: $feedurl .= '&rolefilter='.$rolefilter; 2648: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2649: } 2650: $feedurl .= '&statusfilter='.$statusfilter; 2651: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2652: } 2653: } 2654: my $grouptag; 2655: if ($group ne '') { 2656: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2657: my $refarg; 2658: if (exists($env{'form.ref'})) { 2659: $refarg = '&ref='.$env{'form.ref'}; 2660: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2661: } 2662: if ($feedurl =~ /\?/) { 2663: $feedurl .= '&group='.$group.$refarg; 2664: } else { 2665: $feedurl .= '?group='.$group.$refarg; 2666: } 2667: } 2668: &Apache::lonenc::check_encrypt(\$feedurl); 2669: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2670: my %parms=('only_body' => 1); 2671: if ($env{'form.modal'}) { 2672: $parms{'add_entries'}={'onLoad' => 'document.forms.reldt.submit()'}; 2673: } else { 2674: $parms{'redirect'}=[0,$feedurl]; 2675: } 2676: my $start_page= 2677: &Apache::loncommon::start_page('Feedback sent',undef,\%parms); 2678: my $end_page = &Apache::loncommon::end_page(); 2679: $r->print(<<ENDREDIR); 2680: $start_page 2681: <img align="right" src="$logo" /> 2682: $typestyle 2683: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2684: $blog 2685: $toolarge 2686: <font color="red">$status</font> 2687: <form name="reldt" action="$feedurl" target="loncapaclient"> 2688: $prevtag 2689: $sorttag 2690: $statustag 2691: $roletag 2692: $sectag 2693: $grptag 2694: $userpicktag 2695: $grouptag 2696: </form> 2697: $end_page 2698: ENDREDIR 2699: } 2700: 2701: sub no_redirect_back { 2702: my ($r,$feedurl) = @_; 2703: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2704: 2705: my %onload; 2706: 2707: my %body_options = ('only_body' => 1, 2708: 'bgcolor' => '#FFFFFF', 2709: 'add_entries' => \%onload,); 2710: 2711: if ($feedurl !~ m{^/adm/feedback}) { 2712: $body_options{'redirect'} = [2,$feedurl]; 2713: } 2714: my $start_page= 2715: &Apache::loncommon::start_page('Feedback not sent',undef, 2716: \%body_options); 2717: 2718: my $end_page = &Apache::loncommon::end_page(); 2719: 2720: &Apache::lonenc::check_encrypt(\$feedurl); 2721: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2722: $r->print (<<ENDNOREDIRTWO); 2723: $start_page 2724: <img align="right" src="$logo" /> 2725: <b>$nofeed</b> 2726: <br /> 2727: $end_page 2728: ENDNOREDIRTWO 2729: } 2730: 2731: sub screen_header { 2732: my ($feedurl,$symb,$group) = @_; 2733: my $crscontent = &mt('Question/Comment/Feedback about course content'); 2734: my $crspolicy = &mt('Question/Comment/Feedback about course policy'); 2735: my $contribdisc = &mt('Contribution to course discussion of resource'); 2736: my $anoncontrib = &mt('Anonymous contribution to course discussion of resource'); 2737: my $namevis = &mt('name only visible to course faculty'); 2738: my $crstype; 2739: if ($env{'request.course.id'}) { 2740: $crstype = &Apache::loncommon::course_type(); 2741: if ($crstype eq 'Community') { 2742: $crscontent = &mt('Question/Comment/Feedback about community content'); 2743: $crspolicy = &mt('Question/Comment/Feedback about community policy'); 2744: $contribdisc = &mt('Contribution to community discussion of resource'); 2745: $anoncontrib = &mt('Anonymous contribution to community discussion of resource'); 2746: $namevis = &mt('name only visible to community facilitators'); 2747: } 2748: } 2749: my $msgoptions=''; 2750: my $discussoptions=''; 2751: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2752: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2753: $msgoptions= 2754: '<label><input type="radio" name="discuss" value="author" /> '. 2755: &mt('Feedback to resource author').'</label><br />'; 2756: } 2757: my %optionhash=(); 2758: foreach my $type ('question','comment','policy') { 2759: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2760: } 2761: if (&feedback_available(1)) { 2762: $msgoptions.= 2763: '<label><input type="radio" name="discuss" value="question" /> '. 2764: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label><br />'; 2765: } 2766: if (&feedback_available(0,1)) { 2767: $msgoptions.= 2768: '<label><input type="radio" name="discuss" value="course" /> '. 2769: ($optionhash{'comment'}?$optionhash{'comment'}:$crscontent). 2770: '</label><br />'; 2771: } 2772: if (&feedback_available(0,0,1)) { 2773: $msgoptions.= 2774: '<label><input type="radio" name="discuss" value="policy" /> '. 2775: ($optionhash{'policy'}?$optionhash{'policy'}:$crspolicy). 2776: '</label><br />'; 2777: } 2778: } 2779: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2780: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2781: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2782: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2783: my $realsymb = $symb; 2784: if ($symb=~/^bulletin___/) { 2785: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2786: $filename=~s|^adm/wrapper/||; 2787: $realsymb=&Apache::lonnet::symbread($filename); 2788: } 2789: if (!$blocked && &discussion_open(undef,$realsymb) && 2790: (&Apache::lonnet::allowed('pch', 2791: $env{'request.course.id'}. 2792: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 2793: (($group ne '') && ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$}) && (&check_group_priv($group,'pgd') eq 'ok')))) { 2794: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2795: $contribdisc. 2796: '</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2797: $anoncontrib. 2798: ' <i>('.$namevis.')</i></label> '. 2799: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2800: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2801: if (!$blockblog) { 2802: $discussoptions.= &add_blog_checkbox($crstype); 2803: } 2804: } 2805: } 2806: if ($msgoptions) { 2807: $msgoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/feedback.png').'" />' 2808: .'<br />'.&mt('Send Feedback').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Feedback Settings'),'feedback').'</th>'. 2809: '<td>'.$msgoptions.'</td></tr>'; 2810: } 2811: if ($discussoptions) { 2812: $discussoptions='<tr><th><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" alt="" />' 2813: .'<br />'.&mt('Discussion Contributions').'<br />'.&Apache::lonhtmlcommon::coursepreflink(&mt('Discussion Settings'),'discussion').'</th>'. 2814: '<td>'.$discussoptions.'</td></tr>'; 2815: } 2816: return &Apache::loncommon::start_data_table().$msgoptions.$discussoptions.&Apache::loncommon::end_data_table(); 2817: } 2818: 2819: sub resource_output { 2820: my ($feedurl) = @_; 2821: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2822: $usersaw=~s/\<body[^\>]*\>//gi; 2823: $usersaw=~s/\<\/body\>//gi; 2824: $usersaw=~s/\<html\>//gi; 2825: $usersaw=~s/\<\/html\>//gi; 2826: $usersaw=~s/\<head\>//gi; 2827: $usersaw=~s/\<\/head\>//gi; 2828: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2829: return $usersaw; 2830: } 2831: 2832: sub clear_out_html { 2833: my ($message,$override)=@_; 2834: # Always allow the <m>-tag 2835: my %html=(M=>1); 2836: # Check if more is allowed 2837: my $cid=$env{'request.course.id'}; 2838: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2839: ($override)) { 2840: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2841: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2842: # <SUP> <TABLE> <TR> <TD> <TH> <TBODY> 2843: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2844: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, PRE=>1, DIV=>1, IMG=>1, 2845: M=>1, CHEM=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2846: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1, H6=>1, 2847: TABLE=>1, TR=>1, TD=>1, TH=>1, TBODY=>1); 2848: } 2849: # Do the substitution of everything that is not explicitly allowed 2850: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2851: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2852: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2853: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2854: return $message; 2855: } 2856: 2857: sub assemble_email { 2858: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2859: my %lt = &Apache::lonlocal::texthash( 2860: 'prev' => 'Previous attempts of student (if applicable)', 2861: 'orig' => 'Original screen output (if applicable)', 2862: 'corr' => 'Correct Answer(s) (if applicable)', 2863: ); 2864: if (&Apache::loncommon::course_type() eq 'Community') { 2865: $lt{'prev'} = &mt('Previous attempts of member (if applicable)'); 2866: } 2867: my $email=<<"ENDEMAIL"; 2868: $message 2869: ENDEMAIL 2870: my $citations=<<"ENDCITE"; 2871: <h2>$lt{'prev'}</h2> 2872: $prevattempts 2873: <br /><hr /> 2874: <h2>$lt{'orig'}</h2> 2875: $usersaw 2876: <h2>$lt{'corr'}</h2> 2877: $useranswer 2878: ENDCITE 2879: return ($email,$citations); 2880: } 2881: 2882: 2883: sub feedback_available { 2884: my ($question,$course,$policy)=@_; 2885: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2886: $course,$policy); 2887: return scalar(%to); 2888: } 2889: 2890: sub send_msg { 2891: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2892: my $status=''; 2893: my $sendsomething=0; 2894: my $restitle = &get_resource_title($symb,$feedurl); 2895: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2896: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2897: foreach my $key (keys(%to)) { 2898: if ($key) { 2899: my ($user,$domain) = split(/\:/,$key,2); 2900: if (!defined($user)) { 2901: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2902: } elsif (!defined($domain)) { 2903: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2904: } else { 2905: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2906: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2907: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2908: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2909: } else { 2910: $sendsomething++; 2911: } 2912: } 2913: } 2914: } 2915: 2916: # Records of number of feedback messages are kept under the "symb" called "_feedback" 2917: # There are two entries within the framework of a course: 2918: # - the URLs for which feedback was provided 2919: # - the total number of contributions 2920: if ($sendsomething) { 2921: my %record=&getfeedbackrecords(); 2922: my ($temp)=keys(%record); 2923: unless ($temp=~/^error\:/) { 2924: my %newrecord=(); 2925: $newrecord{'resource'}=$feedurl; 2926: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2927: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2928: $status.='<br />'.&mt('Not registered').'<br />'; 2929: } 2930: } 2931: } 2932: return ($status,$sendsomething); 2933: } 2934: 2935: # Routine to get the complete feedback records 2936: 2937: sub getfeedbackrecords { 2938: my ($uname,$udom,$course)=@_; 2939: unless ($uname) { $uname=$env{'user.name'}; } 2940: unless ($udom) { $udom=$env{'user.domain'}; } 2941: unless ($course) { $course=$env{'request.course.id'}; } 2942: my %record=&Apache::lonnet::restore('_feedback',$course,$udom,$uname); 2943: return %record; 2944: } 2945: 2946: # Routine to get feedback statistics 2947: 2948: sub getfeedbackstats { 2949: my %record=&getfeedbackrecords(@_); 2950: return ($record{'subnumber'},$record{'points'},$record{'totallikes'}); 2951: } 2952: 2953: # Store feedback credit 2954: 2955: sub storefeedbackpoints { 2956: my ($points,$uname,$udom,$course)=@_; 2957: unless ($points) { $points=0; } 2958: unless ($uname) { $uname=$env{'user.name'}; } 2959: unless ($udom) { $udom=$env{'user.domain'}; } 2960: unless ($course) { $course=$env{'request.course.id'}; } 2961: my %record=('grader_user' => $env{'user.name'}, 2962: 'grader_domain' => $env{'user.domain'}, 2963: 'points' => $points); 2964: return &Apache::lonnet::cstore(\%record,'_feedback',$course,$udom,$uname); 2965: } 2966: 2967: # Store feedback "likes" 2968: 2969: sub storefeedbacklikes { 2970: my ($likes,$uname,$udom,$course)=@_; 2971: unless ($likes) { $likes=0; } 2972: if ($likes>0) { $likes=1; } 2973: if ($likes<0) { $likes=-1; } 2974: unless ($uname) { $uname=$env{'user.name'}; } 2975: unless ($udom) { $udom=$env{'user.domain'}; } 2976: unless ($course) { $course=$env{'request.course.id'}; } 2977: my %record=&getfeedbackrecords($uname,$udom,$course); 2978: my $totallikes=$record{'totallikes'}; 2979: $totallikes+=$likes; 2980: my %newrecord=('likes_user' => $env{'user.name'}, 2981: 'likes_domain' => $env{'user.domain'}, 2982: 'likes' => $likes, 2983: 'totallikes' => $totallikes); 2984: return &Apache::lonnet::cstore(\%newrecord,'_feedback',$course,$udom,$uname); 2985: } 2986: 2987: 2988: sub adddiscuss { 2989: my ($symb,$email,$anon,$attachmenturl,$subject,$group)=@_; 2990: my $status=''; 2991: my $realsymb; 2992: if ($symb=~/^bulletin___/) { 2993: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2994: $filename=~s|^adm/wrapper/||; 2995: $realsymb=&Apache::lonnet::symbread($filename); 2996: } 2997: my ($cnum,$cdom); 2998: if ($env{'request.course.id'}) { 2999: $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3000: $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3001: } 3002: if (&discussion_open(undef,$realsymb) && 3003: (&Apache::lonnet::allowed('pch',$env{'request.course.id'}. 3004: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')) || 3005: (($group ne '') && (&check_group_priv($group,'pgd') eq 'ok') && 3006: ($symb =~ m{^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$})))) { 3007: 3008: my %contrib=('message' => $email, 3009: 'sendername' => $env{'user.name'}, 3010: 'senderdomain' => $env{'user.domain'}, 3011: 'screenname' => $env{'environment.screenname'}, 3012: 'plainname' => $env{'environment.firstname'}.' '. 3013: $env{'environment.middlename'}.' '. 3014: $env{'environment.lastname'}.' '. 3015: $env{'enrironment.generation'}, 3016: 'attachmenturl'=> $attachmenturl, 3017: 'subject' => $subject); 3018: if ($env{'form.replydisc'}) { 3019: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 3020: } 3021: if ($anon) { 3022: $contrib{'anonymous'}='true'; 3023: } 3024: if (($symb) && ($email)) { 3025: my $now = time; 3026: if ($env{'form.editdisc'}) { 3027: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 3028: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 3029: $contrib{'timestamp'} = $now; 3030: $contrib{'history'} = ''; 3031: my $numoldver = 0; 3032: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 3033: &Apache::lonenc::check_decrypt(\$oldsymb); 3034: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3035: # get timestamp for last post and history 3036: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 3037: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3038: $env{'course.'.$env{'request.course.id'}.'.num'}); 3039: if (defined($oldcontrib{$oldidx.':replyto'})) { 3040: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 3041: } 3042: if (defined($oldcontrib{$oldidx.':history'})) { 3043: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 3044: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 3045: $numoldver = @oldversions; 3046: } else { 3047: $numoldver = 1; 3048: } 3049: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 3050: } 3051: my $numnewver = $numoldver + 1; 3052: if (defined($oldcontrib{$oldidx.':subject'})) { 3053: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 3054: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3055: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 3056: } else { 3057: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 3058: } 3059: } 3060: if (defined($oldcontrib{$oldidx.':message'})) { 3061: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 3062: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3063: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 3064: } else { 3065: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 3066: } 3067: } 3068: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 3069: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 3070: $oldsymb,$oldidx,\%contrib, 3071: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3072: $env{'course.'.$env{'request.course.id'}.'.num'}); 3073: $status='Editing class discussion'.($anon?' (anonymous)':''); 3074: } else { 3075: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 3076: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 3077: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3078: $env{'course.'.$env{'request.course.id'}.'.num'}); 3079: } 3080: my %storenewentry=($symb => $now); 3081: $status.='<br />'.&mt('Updating discussion time').': '. 3082: &Apache::lonnet::put('discussiontimes',\%storenewentry, 3083: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3084: $env{'course.'.$env{'request.course.id'}.'.num'}); 3085: } 3086: my %record=&getdiscussionrecords(); 3087: my ($temp)=keys(%record); 3088: unless ($temp=~/^error\:/) { 3089: my %newrecord=(); 3090: $newrecord{'resource'}=$symb; 3091: $newrecord{'subnumber'}=$record{'subnumber'}+1; 3092: $status.='<br />'.&mt('Registering').': '. 3093: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 3094: &updatekarma(); 3095: } 3096: } else { 3097: $status.='Failed.'; 3098: } 3099: return $status.'<br />'; 3100: } 3101: 3102: 3103: # Routine to get the complete discussion records 3104: 3105: sub getdiscussionrecords { 3106: my ($uname,$udom,$course)=@_; 3107: unless ($uname) { $uname=$env{'user.name'}; } 3108: unless ($udom) { $udom=$env{'user.domain'}; } 3109: unless ($course) { $course=$env{'request.course.id'}; } 3110: my %record=&Apache::lonnet::restore('_discussion',$course,$udom,$uname); 3111: return %record; 3112: } 3113: 3114: # Routine to get discussion statistics 3115: 3116: sub getdiscussionstats { 3117: my %record=&getdiscussionrecords(@_); 3118: return ($record{'subnumber'},$record{'points'},$record{'totallikes'},$record{'totalvotes'}); 3119: } 3120: 3121: # Calculate discussion karma 3122: 3123: sub calcdiscussionkarma { 3124: my ($subs,$pts,$likes,$votes)=&getdiscussionstats(@_); 3125: my $karma=0; 3126: if ($votes>0) { 3127: $karma=int(.1+5.*(1.-exp(-$subs/10.))*$likes/$votes); 3128: if ($karma<0) { $karma=0; } 3129: if ($karma>5) { $karma=5; } 3130: } 3131: return $karma; 3132: } 3133: 3134: # Update karma 3135: 3136: sub updatekarma { 3137: my ($uname,$udom,$course)=@_; 3138: unless ($uname) { $uname=$env{'user.name'}; } 3139: unless ($udom) { $udom=$env{'user.domain'}; } 3140: unless ($course) { $course=$env{'request.course.id'}; } 3141: my $karma=&calcdiscussionkarma($uname,$udom,$course); 3142: &Apache::lonnet::cstore({ 'karma' => $karma },'_discussion',$course,$udom,$uname); 3143: &Apache::lonnet::do_cache_new('karma',$uname.':'.$udom.':'.$course,$karma,3600); 3144: return $karma; 3145: } 3146: 3147: # Retrieve karma 3148: 3149: sub userkarma { 3150: my ($uname,$udom,$course)=@_; 3151: unless ($uname) { $uname=$env{'user.name'}; } 3152: unless ($udom) { $udom=$env{'user.domain'}; } 3153: unless ($course) { $course=$env{'request.course.id'}; } 3154: my $hashkey=$uname.':'.$udom.':'.$course; 3155: my ($karma,$cached)=&Apache::lonnet::is_cached_new('karma',$hashkey); 3156: if ($cached) { 3157: return $karma; 3158: } 3159: my %userdisc=&getdiscussionrecords($uname,$udom,$course); 3160: $karma=$userdisc{'karma'}; 3161: &Apache::lonnet::do_cache_new('karma',$hashkey,$karma,3600); 3162: return $karma; 3163: } 3164: 3165: # Store discussion credit 3166: 3167: sub storediscussionpoints { 3168: my ($points,$uname,$udom,$course)=@_; 3169: unless ($points) { $points=0; } 3170: unless ($uname) { $uname=$env{'user.name'}; } 3171: unless ($udom) { $udom=$env{'user.domain'}; } 3172: unless ($course) { $course=$env{'request.course.id'}; } 3173: my %record=('grader_user' => $env{'user.name'}, 3174: 'grader_domain' => $env{'user.domain'}, 3175: 'points' => $points); 3176: return &Apache::lonnet::cstore(\%record,'_discussion',$course,$udom,$uname); 3177: } 3178: 3179: # Store discussion "likes" 3180: 3181: sub storediscussionlikes { 3182: my ($likes,$uname,$udom,$course)=@_; 3183: unless ($likes) { $likes=0; } 3184: if ($likes>0) { $likes=1; } 3185: if ($likes<0) { $likes=-1; } 3186: unless ($uname) { $uname=$env{'user.name'}; } 3187: unless ($udom) { $udom=$env{'user.domain'}; } 3188: unless ($course) { $course=$env{'request.course.id'}; } 3189: my %record=&getdiscussionrecords($uname,$udom,$course); 3190: my $totallikes=$record{'totallikes'}; 3191: my $totalvotes=$record{'totalvotes'}; 3192: $totallikes+=$likes; 3193: $totalvotes++; 3194: my %newrecord=('likes_user' => $env{'user.name'}, 3195: 'likes_domain' => $env{'user.domain'}, 3196: 'likes' => $likes, 3197: 'totallikes' => $totallikes, 3198: 'totalvotes' => $totalvotes); 3199: my $status=&Apache::lonnet::cstore(\%newrecord,'_discussion',$course,$udom,$uname); 3200: if ($status eq 'ok') { 3201: &updatekarma($uname,$udom,$course); 3202: } 3203: return $status; 3204: } 3205: 3206: sub get_discussion_info { 3207: my ($idx,%contrib) = @_; 3208: my $changelast = 0; 3209: my $count = 0; 3210: my $hiddenflag = 0; 3211: my $deletedflag = 0; 3212: my ($hidden,$deleted,%info,$newlastdisc); 3213: my $version = $contrib{'version'}; 3214: if ($version) { 3215: for (my $id=$version; $id>0; $id--) { 3216: my $vkeys=$contrib{$id.':keys'}; 3217: my @keys=split(/:/,$vkeys); 3218: if (grep(/^hidden$/,@keys)) { 3219: if (!$hiddenflag) { 3220: $hidden = $contrib{$id.':hidden'}; 3221: $hiddenflag = 1; 3222: } 3223: } elsif (grep(/^deleted$/,@keys)) { 3224: if (!$deletedflag) { 3225: $deleted = $contrib{$id.':deleted'}; 3226: $deletedflag = 1; 3227: } 3228: } else { 3229: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 3230: $count++; 3231: $info{$count}{'id'} = $id; 3232: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 3233: } 3234: } 3235: } 3236: if ($info{'1'}{'id'} == $idx) { 3237: $changelast = 1; 3238: if ($count > 1) { 3239: $newlastdisc = $info{'2'}{'timestamp'}; 3240: } else { 3241: $newlastdisc = 0; 3242: } 3243: } 3244: } 3245: return ($changelast,$newlastdisc); 3246: } 3247: 3248: # ----------------------------------------------------------- Preview function 3249: 3250: sub show_preview { 3251: my ($r) = @_; 3252: &Apache::loncommon::content_type($r,'text/html'); 3253: $r->send_http_header; 3254: my $start_page= 3255: &Apache::loncommon::start_page('Preview',undef, 3256: {'only_body' => 1,}); 3257: 3258: my $message=&clear_out_html($env{'form.comment'}); 3259: &newline_to_br(\$message); 3260: $message=&Apache::lonspeller::markeduptext($message); 3261: $message=&Apache::lontexconvert::msgtexconverted($message); 3262: my $subject=&clear_out_html($env{'form.subject'}); 3263: $subject=~s/\n/\<br \/\>/g; 3264: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3265: 3266: my $end_page = &Apache::loncommon::end_page(); 3267: 3268: $r->print($start_page 3269: .'<h1>'.&mt('Preview').'</h1>' 3270: .&Apache::lonhtmlcommon::start_pick_box() 3271: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 3272: .$subject 3273: .&Apache::lonhtmlcommon::row_closure() 3274: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 3275: .$message 3276: .&Apache::lonhtmlcommon::row_closure(1) 3277: .&Apache::lonhtmlcommon::end_pick_box() 3278: .$end_page 3279: ); 3280: } 3281: 3282: sub contains_block_html { 3283: my ($message)=@_; 3284: return ($message =~ m{ 3285: <(br|h1|h2|h3|h4|h5|h6|p|ol|ul|table|pre|address|blockquote|center|div) 3286: \s* 3287: (\w+\=['"]\w+['"])* 3288: \s* 3289: ( 3290: \s*/>| 3291: >.*</\1\s*> 3292: )}xs 3293: ); 3294: } 3295: 3296: sub tidy_html { 3297: my ($message)=@_; 3298: # my $tidy = HTML::Tidy::libXML->new(); 3299: # my $xhtml = $tidy->clean($message, 'utf-8', 1); 3300: # $xhtml =~ m/<body>(.*)<\/body>/is; 3301: # my $clean = $1; 3302: # # remove any empty block-level tags 3303: # $clean =~ s/<(table|p|div|tbody|blockquote|m|pre|algebra|center|ol|ul|span|h1|h2|h3|h4|h5|h6)\s*\/>//i; 3304: # $message=$clean; 3305: return $message; 3306: } 3307: 3308: sub newline_to_br { 3309: my ($message)=@_; 3310: my $newmessage; 3311: my $parser=HTML::LCParser->new($message); 3312: while (my $token=$parser->get_token()) { 3313: if ($token->[0] eq 'T') { 3314: my $text=$token->[1]; 3315: $text=~s/\n/\<br \/\>/g; 3316: $newmessage.=$text; 3317: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 3318: $newmessage.=$token->[1]; 3319: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 3320: $newmessage.=$token->[2]; 3321: } elsif ($token->[0] eq 'S') { 3322: $newmessage.=$token->[4]; 3323: } 3324: 3325: } 3326: $$message=$newmessage; 3327: } 3328: 3329: sub generate_preview_button { 3330: my ($formname,$fieldname)=@_; 3331: unless ($formname) { $formname='mailform'; } 3332: unless ($fieldname) { $fieldname='comment'; } 3333: my $pre=&mt("Show Preview and Check Spelling"); 3334: return(<<ENDPREVIEW); 3335: <br /> 3336: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 3337: <input type="hidden" name="subject" /> 3338: <input type="hidden" name="comment" /> 3339: <input type="button" value="$pre" 3340: 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();" /> 3341: </form> 3342: ENDPREVIEW 3343: } 3344: 3345: sub modify_attachments { 3346: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 3347: $attachmaxtext,$toolarge)=@_; 3348: 3349: my %lt = &Apache::lonlocal::texthash( 3350: 'subj' => 'Subject', 3351: 'chth' => 'Check the checkboxes for any you wish to remove.', 3352: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 3353: 'adda' => 'Add a new attachment to this post', 3354: 'stch' => 'Save Changes', 3355: 'clic' => 'Add/remove attachments', 3356: ); 3357: my $js = <<END; 3358: <script type="text/javascript"> 3359: function setAction () { 3360: document.modattachments.action = document.modattachments.origpage.value; 3361: document.modattachments.submit(); 3362: } 3363: </script> 3364: END 3365: 3366: # Breadcrumbs 3367: my $brcrum = [{'href' => '', 3368: 'text' => 'Discussion Post Attachments'}]; 3369: my %parms=('only_body' => 1); 3370: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3371: 3372: my $start_page = 3373: &Apache::loncommon::start_page('Discussion Post Attachments',$js,\%parms); 3374: 3375: my $orig_subject = &unescape($env{'form.subject'}); 3376: my $subject=&clear_out_html($orig_subject); 3377: $subject=~s/\n/\<br \/\>/g; 3378: $subject=&Apache::lontexconvert::msgtexconverted($subject); 3379: my $timestamp=$env{'form.timestamp'}; 3380: my $numoldver=$env{'form.numoldver'}; 3381: 3382: my $msg = ''; 3383: my %attachments = (); 3384: my %currattach = (); 3385: if ($idx) { 3386: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 3387: } 3388: &Apache::lonenc::check_encrypt(\$symb); 3389: 3390: my $end_page = 3391: &Apache::loncommon::end_page(); 3392: 3393: $r->print(<<END); 3394: $start_page 3395: $toolarge 3396: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 3397: <br /> 3398: <h1>$lt{'clic'}</h1> 3399: END 3400: $r->print(&Apache::lonhtmlcommon::start_pick_box()); 3401: $r->print(&Apache::lonhtmlcommon::row_title(&mt('Subject'))); 3402: $r->print('<b>'.$subject.'</b>'); 3403: $r->print(&Apache::lonhtmlcommon::row_closure()); 3404: $r->print(&Apache::lonhtmlcommon::row_title($lt{'adda'})); 3405: $r->print('<input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onclick="this.form.submit()" /> '.$attachmaxtext); 3406: 3407: if(($idx)||(ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)){ 3408: $r->print(&Apache::lonhtmlcommon::row_closure()); 3409: $r->print(&Apache::lonhtmlcommon::row_title(&mt('Attachments'))); 3410: if ($idx) { 3411: if ($attachmenturls) { 3412: my @currold = keys(%currattach); 3413: if (@currold > 0) { 3414: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3415: foreach my $id (@currold) { 3416: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3417: $attachurl =~ m#/([^/]+)$#; 3418: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3419: } 3420: $r->print("<br />"); 3421: } 3422: } 3423: } 3424: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3425: $r->print($lt{'chth'}.'<br />'."\n"); 3426: foreach my $attach (@{$currnewattach}) { 3427: $attach =~ m#/([^/]+)$#; 3428: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3429: } 3430: } 3431: } 3432: $r->print(&Apache::lonhtmlcommon::row_closure(1)); 3433: $r->print(&Apache::lonhtmlcommon::end_pick_box()); 3434: $r->print(<<END); 3435: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3436: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3437: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3438: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3439: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3440: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3441: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3442: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3443: END 3444: foreach my $item (@{$currnewattach}) { 3445: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3446: } 3447: foreach my $item (@{$currdelold}) { 3448: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3449: } 3450: $r->print(<<END); 3451: <input type="button" name="rtntoedit" value="$lt{'stch'}" onclick="setAction()" /> 3452: </form> 3453: $end_page 3454: END 3455: return; 3456: } 3457: 3458: sub process_attachments { 3459: my ($currnewattach,$currdelold,$keepold) = @_; 3460: 3461: @{$currnewattach}= 3462: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3463: @{$currdelold}= 3464: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3465: if (exists($env{'form.delnewattach'})) { 3466: my @currdelnew = 3467: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3468: my @currnew = (); 3469: foreach my $newone (@{$currnewattach}) { 3470: my $delflag = 0; 3471: foreach my $item (@currdelnew) { 3472: if ($newone eq $item) { 3473: $delflag = 1; 3474: last; 3475: } 3476: } 3477: unless ($delflag) { 3478: push(@currnew, $newone); 3479: } 3480: } 3481: @{$currnewattach} = @currnew; 3482: } 3483: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3484: } 3485: 3486: sub generate_attachments_button { 3487: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3488: $numoldver,$mode,$blockblog) = @_; 3489: my $origpage = $ENV{'REQUEST_URI'}; 3490: my $att=$attachnum.' '.&mt("attachments"); 3491: my %lt = &Apache::lonlocal::texthash( 3492: 'clic' => 'Add/remove attachments', 3493: ); 3494: my $response = (<<END); 3495: <br /> 3496: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3497: <input type="button" value="$lt{'clic'}" 3498: 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); 3499: END 3500: if (!$blockblog) { 3501: $response .= 'setblogvalue();'; 3502: } 3503: unless ($mode eq 'board') { 3504: $response .= 'javascript:anonchk();'; 3505: } 3506: $response .= (<<ENDATTACH); 3507: this.form.submit();" /> 3508: <input type="hidden" name="origpage" value="$origpage" /> 3509: <input type="hidden" name="idx" value="$idx" /> 3510: <input type="hidden" name="timestamp" value="$now" /> 3511: <input type="hidden" name="subject" /> 3512: <input type="hidden" name="comment" /> 3513: <input type="hidden" name="blog" value="0" /> 3514: <input type="hidden" name="discuss" value="0" /> 3515: <input type="hidden" name="numoldver" value="$numoldver" /> 3516: ENDATTACH 3517: if (defined($deloldattach)) { 3518: if (@{$deloldattach} > 0) { 3519: foreach my $delatt (@{$deloldattach}) { 3520: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3521: } 3522: } 3523: } 3524: if (defined($currnewattach)) { 3525: if (@{$currnewattach} > 0) { 3526: foreach my $attach (@{$currnewattach}) { 3527: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3528: } 3529: } 3530: } 3531: $response .= '</form>'; 3532: return $response; 3533: } 3534: 3535: sub extract_attachments { 3536: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3537: %{$attachments}=(); 3538: &get_post_attachments($attachments,$attachmenturls); 3539: foreach my $id (sort(keys(%{$attachments}))) { 3540: if (exists($$attachments{$id}{$numoldver})) { 3541: if (defined($currdelold)) { 3542: if (@{$currdelold} > 0) { 3543: unless (grep/^$id$/,@{$currdelold}) { 3544: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3545: } 3546: } else { 3547: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3548: } 3549: } else { 3550: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3551: } 3552: } 3553: } 3554: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3555: if (@attached == 1) { 3556: my $id = $attached[0]; 3557: my $attachurl; 3558: if ($attachmenturls =~ m/^<attachment id="0">/) { 3559: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3560: } else { 3561: $attachurl = $$attachments{$id}{'filename'}; 3562: } 3563: $attachurl=~m|/([^/]+)$|; 3564: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3565: $1.'</tt></a><br />'; 3566: &Apache::lonnet::allowuploaded('/adm/feedback', 3567: $attachurl); 3568: } elsif (@attached > 1) { 3569: $$message.='<ol>'; 3570: foreach my $attach (@attached) { 3571: my $id = $attach; 3572: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3573: my ($fname) 3574: =($attachurl=~m|/([^/]+)$|); 3575: $$message .= '<li><a href="'.$attachurl. 3576: '"><tt>'. 3577: $fname.'</tt></a></li>'; 3578: &Apache::lonnet::allowuploaded('/adm/feedback', 3579: $attachurl); 3580: } 3581: $$message .= '</ol>'; 3582: } 3583: } 3584: 3585: sub construct_attachmenturl { 3586: my ($currnewattach,$keepold,$symb,$idx)=@_; 3587: my $oldattachmenturl; 3588: my $newattachmenturl; 3589: my $startnum = 0; 3590: my $currver = 0; 3591: if (($env{'form.editdisc'}) && ($idx)) { 3592: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3593: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3594: $env{'course.'.$env{'request.course.id'}.'.num'}); 3595: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3596: if ($contrib{$idx.':history'}) { 3597: if ($contrib{$idx.':history'} =~ /:/) { 3598: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3599: $currver = 1 + scalar(@oldversions); 3600: } else { 3601: $currver = 2; 3602: } 3603: } else { 3604: $currver = 1; 3605: } 3606: if ($oldattachmenturl) { 3607: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3608: my %attachments = (); 3609: my $prevver = $currver-1; 3610: &get_post_attachments(\%attachments,$oldattachmenturl); 3611: my $numattach = scalar(keys(%attachments)); 3612: $startnum += $numattach; 3613: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3614: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3615: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3616: unless ($item eq 'filename') { 3617: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3618: } 3619: } 3620: if (grep/^$num$/,@{$keepold}) { 3621: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3622: } 3623: $newattachmenturl .= '</attachment>'; 3624: } 3625: } else { 3626: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3627: unless (grep/^0$/,@{$keepold}) { 3628: $newattachmenturl .= '<post id="1">n</post>'; 3629: } 3630: $newattachmenturl .= '</attachment>'; 3631: $startnum ++; 3632: } 3633: } 3634: } 3635: for (my $i=0; $i<@{$currnewattach}; $i++) { 3636: my $attachnum = $startnum + $i; 3637: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3638: } 3639: return $newattachmenturl; 3640: } 3641: 3642: sub add_blog_checkbox { 3643: my ($crstype) = @_; 3644: my $checkstatus; 3645: if ($env{'form.blog'}) { 3646: $checkstatus = 'checked="checked"'; 3647: } 3648: my $output = ' 3649: <script type="text/javascript"> 3650: function setblogvalue() { 3651: if (document.mailform.blog.checked) { 3652: document.attachment.blog.value = 1; 3653: } else { 3654: document.attachment.blog.value = 0; 3655: } 3656: } 3657: </script><br /> 3658: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '; 3659: if ($crstype eq 'Community') { 3660: $output .= &mt('Add to my public community blog'); 3661: } else { 3662: $output .= &mt('Add to my public course blog'); 3663: } 3664: $output .= '</label><br />'."\n"; 3665: return $output; 3666: } 3667: 3668: sub has_discussion { 3669: my $resourcesref = shift; 3670: my $navmap = Apache::lonnavmaps::navmap->new(); 3671: if (defined($navmap)) { 3672: my @allres=$navmap->retrieveResources(); 3673: foreach my $resource (@allres) { 3674: if ($resource->hasDiscussion()) { 3675: my $ressymb = $resource->wrap_symb(); 3676: if (ref($resourcesref) eq 'ARRAY') { 3677: push(@{$resourcesref}, $ressymb); 3678: } 3679: } 3680: } 3681: } else { 3682: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3683: } 3684: return; 3685: } 3686: 3687: sub sort_filter_names { 3688: my ($sort_types,$role_types,$status_types,$crstype) = @_; 3689: if (ref($sort_types) eq 'HASH') { 3690: %{$sort_types} = ( 3691: ascdate => 'Date order - oldest first', 3692: descdate => 'Date order - newest first', 3693: thread => 'Threaded', 3694: subject => 'By subject', 3695: username => 'By domain and username', 3696: lastfirst => 'By last name, first name' 3697: ); 3698: } 3699: my @courseroles = qw(st in ta ep ad); 3700: if ($crstype eq 'Community') { 3701: push(@courseroles,'co'); 3702: } else { 3703: push(@courseroles,'cc'); 3704: } 3705: if (ref($role_types) eq 'HASH') { 3706: foreach my $role (@courseroles) { 3707: $role_types->{$role} = &Apache::lonnet::plaintext($role,$crstype); 3708: } 3709: $role_types->{'all'} = 'All roles'; 3710: $role_types->{'cr'} = 'Custom role'; 3711: } 3712: if (ref($status_types) eq 'HASH') { 3713: %{$status_types} = ( 3714: all => 'Roles of any status', 3715: Active => 'Only active roles', 3716: Expired => 'Only past roles', 3717: Future => 'Only future roles', 3718: ); 3719: } 3720: } 3721: 3722: sub handler { 3723: my $r = shift; 3724: if ($r->header_only) { 3725: &Apache::loncommon::content_type($r,'text/html'); 3726: $r->send_http_header; 3727: return OK; 3728: } 3729: 3730: # --------------------------- Get query string for limited number of parameters 3731: 3732: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3733: ['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']); 3734: my $group = $env{'form.group'}; 3735: my %attachmax = ( 3736: text => &mt('(128 KB max size)'), 3737: num => 131072, 3738: ); 3739: if ($env{'form.editdisc'}) { 3740: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3741: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3742: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3743: my $feedurl=&Apache::lonnet::clutter($url); 3744: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3745: undef,undef,undef,$group); 3746: return OK; 3747: } 3748: } 3749: if ($env{'form.discsymb'}) { 3750: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3751: my $readkey = $symb.'_read'; 3752: my $chgcount = 0; 3753: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3754: foreach my $key (keys(%env)) { 3755: if ($key =~ m/^form\.postunread_(\d+)/) { 3756: if ($readinghash{$readkey} =~ /\.$1\./) { 3757: $readinghash{$readkey} =~ s/\.$1\.//; 3758: $chgcount ++; 3759: } 3760: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3761: unless ($readinghash{$readkey} =~ /\.$1\./) { 3762: $readinghash{$readkey} .= '.'.$1.'.'; 3763: $chgcount ++; 3764: } 3765: } 3766: } 3767: if ($chgcount > 0) { 3768: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3769: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3770: } 3771: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3772: '0','0','','',$env{'form.previous'},'','','', 3773: undef,undef,undef,$group); 3774: return OK; 3775: } 3776: if ($env{'form.allversions'}) { 3777: &Apache::loncommon::content_type($r,'text/html'); 3778: &Apache::loncommon::no_cache($r); 3779: $r->send_http_header; 3780: 3781: # Breadcrumbs 3782: my $brcrum = [{'href' => '', 3783: 'text' => 'Discussion Post Versions'}]; 3784: 3785: my %parms=(); 3786: if ($env{'form.modal'} ne 'yes') { 'bread_crumbs' => $brcrum } 3787: 3788: $r->print(&Apache::loncommon::start_page('Discussion Post Versions',undef,\%parms)); 3789: 3790: my $crs='/'.$env{'request.course.id'}; 3791: if ($env{'request.course.sec'}) { 3792: $crs.='_'.$env{'request.course.sec'}; 3793: } 3794: $crs=~s|_|/|g; 3795: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3796: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3797: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3798: ($symb)=&get_feedurl_and_clean_symb($symb); 3799: my $ressymb = &wrap_symb($symb); 3800: my $group = $env{'form.group'}; 3801: my $seeid; 3802: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3803: if (&check_group_priv($group,'dgp') eq 'ok') { 3804: $seeid = 1; 3805: } 3806: } else { 3807: $seeid = &Apache::lonnet::allowed('rin',$crs); 3808: } 3809: if ($idx > 0) { 3810: my %messages = (); 3811: my %subjects = (); 3812: my %attachmsgs = (); 3813: my %allattachments = (); 3814: my %imsfiles = (); 3815: my ($screenname,$plainname); 3816: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3817: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3818: $env{'course.'.$env{'request.course.id'}.'.num'}); 3819: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3820: } 3821: $r->print(&Apache::loncommon::end_page()); 3822: return OK; 3823: } 3824: if ($env{'form.posterlist'}) { 3825: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3826: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3827: $env{'form.sortposts'}); 3828: return OK; 3829: } 3830: if ($env{'form.userpick'}) { 3831: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3832: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3833: my $numpicks = @posters; 3834: my %discinfo; 3835: $discinfo{$symb.'_userpick'} = join('&',@posters); 3836: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3837: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3838: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3839: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3840: '',$numpicks,$group); 3841: return OK; 3842: } 3843: if ($env{'form.applysort'}) { 3844: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3845: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3846: '',$env{'form.previous'},$env{'form.sortposts'}, 3847: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3848: $env{'form.sectionpick'},$env{'form.grouppick'}, 3849: undef,$group); 3850: return OK; 3851: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3852: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3853: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3854: return OK; 3855: } elsif ($env{'form.navtime'}) { 3856: my %discinfo = (); 3857: my @resources = (); 3858: if (defined($env{'form.navmaps'})) { 3859: if ($env{'form.navmaps'} =~ /:/) { 3860: @resources = split(/:/,$env{'form.navmaps'}); 3861: } else { 3862: @resources = ("$env{'form.navmaps'}"); 3863: } 3864: } else { 3865: &has_discussion(\@resources); 3866: } 3867: my $numitems = @resources; 3868: my $feedurl = '/adm/navmaps'; 3869: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3870: my %lt = &Apache::lonlocal::texthash( 3871: 'mnpa' => 'Marked "New" posts as read in a total of', 3872: 'robb' => 'resources/bulletin boards.', 3873: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3874: ); 3875: foreach my $res (@resources) { 3876: my $ressymb=$res; 3877: &Apache::lonenc::check_decrypt(\$ressymb); 3878: my $lastkey = $ressymb.'_lastread'; 3879: $discinfo{$lastkey} = $env{'form.navtime'}; 3880: } 3881: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3882: if ($numitems > 0) { 3883: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3884: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3885: } else { 3886: $textline = "<b>$lt{'twnp'}</b>"; 3887: } 3888: &Apache::loncommon::content_type($r,'text/html'); 3889: $r->send_http_header; 3890: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3891: my %onload; 3892: 3893: my $start_page= 3894: &Apache::loncommon::start_page('New posts marked as read',undef, 3895: {'redirect' => [2,$feedurl], 3896: 'only_body' => 1, 3897: 'add_entries' => \%onload}); 3898: my $end_page = &Apache::loncommon::end_page(); 3899: $r->print (<<ENDREDIR); 3900: $start_page 3901: <img align="right" src="$logo" /> 3902: $textline 3903: <form name="reldt" action="$feedurl" target="loncapaclient"> 3904: </form> 3905: <br /> 3906: $end_page 3907: ENDREDIR 3908: return OK; 3909: } elsif ($env{'form.modifydisp'}) { 3910: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3911: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3912: split(/_/,$env{'form.changes'}); 3913: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3914: $dispchgB,$markchg,$toggchg,$feedurl); 3915: return OK; 3916: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3917: $env{'form.allposts'} || $env{'form.onlyunread'} || 3918: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3919: $env{'form.toggon'} || $env{'form.markread'}) { 3920: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3921: my %discinfo; 3922: # ------------------------ Modify setting for read/unread toggle for each post 3923: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3924: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3925: # --------- Modify setting for identification of 'NEW' posts in this discussion 3926: if ($env{'form.markondisp'}) { 3927: $discinfo{$symb.'_lastread'} = time; 3928: $discinfo{$symb.'_markondisp'} = 1; 3929: } 3930: if ($env{'form.markonread'}) { 3931: if ( $env{'form.previous'} > 0 ) { 3932: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3933: } 3934: $discinfo{$symb.'_markondisp'} = 0; 3935: } 3936: # --------------------------------- Modify display setting for this discussion 3937: if ($env{'form.allposts'}) { 3938: $discinfo{$symb.'_showonlyunread'} = 0; 3939: $discinfo{$symb.'_showonlyunmark'} = 0; 3940: } 3941: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3942: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3943: # ----------------------------------------------------- Mark new posts not NEW 3944: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3945: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3946: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3947: my $previous=$env{'form.previous'}; 3948: if ($env{'form.markondisp'}) { $previous=undef; } 3949: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3950: '0','0','','',$previous,'','','','','','',$group); 3951: return OK; 3952: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3953: # ----------------------------------------------------------------- Hide/unhide 3954: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3955: my ($symb,$idx)=split(/\:\:\:/,$entry); 3956: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3957: 3958: my $crs='/'.$env{'request.course.id'}; 3959: if ($env{'request.course.sec'}) { 3960: $crs.='_'.$env{'request.course.sec'}; 3961: } 3962: $crs=~s/\_/\//g; 3963: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3964: 3965: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3966: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3967: undef,undef,$group,); 3968: return OK; 3969: } 3970: 3971: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3972: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3973: $env{'course.'.$env{'request.course.id'}.'.num'}); 3974: 3975: my $currenthidden=$contrib{'hidden'}; 3976: my $currentstudenthidden=$contrib{'studenthidden'}; 3977: 3978: if ($env{'form.hide'}) { 3979: $currenthidden.='.'.$idx.'.'; 3980: unless ($seeid) { 3981: $currentstudenthidden.='.'.$idx.'.'; 3982: } 3983: } else { 3984: $currenthidden=~s/\.$idx\.//g; 3985: } 3986: my %newhash=('hidden' => $currenthidden); 3987: if ( ($env{'form.hide'}) && (!$seeid) ) { 3988: $newhash{'studenthidden'} = $currentstudenthidden; 3989: } 3990: if ($env{'form.hide'}) { 3991: my $changelast = 0; 3992: my $newlast; 3993: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3994: if ($changelast) { 3995: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3996: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3997: $env{'course.'.$env{'request.course.id'}.'.num'}); 3998: } 3999: } 4000: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 4001: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4002: $env{'course.'.$env{'request.course.id'}.'.num'}); 4003: 4004: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 4005: '0','0','','',$env{'form.previous'},undef,undef,undef, 4006: undef,undef,undef,$group); 4007: return OK; 4008: } elsif (($env{'form.like'}) || ($env{'form.unlike'})) { 4009: # ----------------------------------------------------------------- Like/unlike 4010: my $entry=$env{'form.like'}?$env{'form.like'}:$env{'form.unlike'}; 4011: my ($symb,$idx)=split(/\:\:\:/,$entry); 4012: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 4013: # 4014: # Likes and unlikes are in db-file "disclikes" of the course 4015: # The prefix is the $symb to identify the resource discussion, 4016: # and the $idx to identify the entry 4017: # 4018: my $prefix=$symb.':'.$idx.':'; 4019: my %contrib=&Apache::lonnet::dump('disclikes', 4020: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4021: $env{'course.'.$env{'request.course.id'}.'.num'}, 4022: '^'.$prefix); 4023: # Get all who like or unlike this 4024: my $currentlikers=$contrib{$prefix.'likers'}; 4025: my $currentunlikers=$contrib{$prefix.'unlikers'}; 4026: # Get the current "likes" count 4027: my $likes=$contrib{$prefix.'likes'}; 4028: # Find out if they already voted 4029: # Users cannot like a post twice, or unlike it twice. They can change their mind, though 4030: my $alreadyflag=0; 4031: my $thisuser=$env{'user.name'}.':'.$env{'user.domain'}; 4032: if ($env{'form.like'}) { 4033: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 4034: $alreadyflag=1; 4035: } else { 4036: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 4037: $currentunlikers=~s/\,\Q$thisuser\E\,//g; 4038: } else { 4039: $currentlikers.=','.$thisuser.','; 4040: } 4041: $likes++; 4042: } 4043: } else { 4044: if ($currentunlikers=~/\,\Q$thisuser\E\,/) { 4045: $alreadyflag=1; 4046: } else { 4047: if ($currentlikers=~/\,\Q$thisuser\E\,/) { 4048: $currentlikers=~s/\,\Q$thisuser\E\,//g; 4049: } else { 4050: $currentunlikers.=','.$thisuser.','; 4051: } 4052: $likes--; 4053: } 4054: } 4055: my $result; 4056: # $alreadyflag would be 1 if they tried to double-like or double-unlike 4057: unless ($alreadyflag) { 4058: my %newhash=($prefix.'likes' => $likes, 4059: $prefix.'likers' => $currentlikers, 4060: $prefix.'unlikers' => $currentunlikers); 4061: # Store data in db-file "disclikes" 4062: if (&Apache::lonnet::put('disclikes', 4063: \%newhash, 4064: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4065: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 4066: # Also store with the person who posted the liked/unliked entry 4067: if ($env{'form.like'}) { 4068: &storediscussionlikes(1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 4069: $result=&mt("Registered 'Like'"); 4070: } else { 4071: &storediscussionlikes(-1,$contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'}); 4072: $result=&mt("Registered 'Unlike'"); 4073: } 4074: } else { 4075: # Oops, something went wrong 4076: $result=&mt("Failed to register vote"); 4077: } 4078: } 4079: &redirect_back($r,$feedurl,$result.'<br />', 4080: '0','0','','',$env{'form.previous'},undef,undef,undef, 4081: undef,undef,undef,$group); 4082: return OK; 4083: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 4084: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 4085: if ($env{'form.cmd'} eq 'threadedon') { 4086: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 4087: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 4088: } else { 4089: &Apache::lonnet::del('environment',['threadeddiscussion']); 4090: &Apache::lonnet::delenv('environment.threadeddiscussion'); 4091: } 4092: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 4093: '0','0','','',$env{'form.previous'},undef,undef,undef, 4094: undef,undef,undef,$group); 4095: return OK; 4096: } elsif ($env{'form.deldisc'}) { 4097: # --------------------------------------------------------------- Hide for good 4098: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 4099: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 4100: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4101: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4102: $env{'course.'.$env{'request.course.id'}.'.num'}); 4103: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 4104: if ($changelast) { 4105: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 4106: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 4107: } 4108: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 4109: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 4110: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4111: $env{'course.'.$env{'request.course.id'}.'.num'}); 4112: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 4113: '0','0','','',$env{'form.previous'},undef,undef,undef, 4114: undef,undef,undef,$group); 4115: return OK; 4116: } elsif ($env{'form.preview'}) { 4117: # -------------------------------------------------------- User wants a preview 4118: &show_preview($r); 4119: return OK; 4120: } elsif ($env{'form.attach'}) { 4121: # -------------------------------------------------------- Work on attachments 4122: &Apache::loncommon::content_type($r,'text/html'); 4123: $r->send_http_header; 4124: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 4125: my (@currnewattach,@currdelold,@keepold,$toolarge); 4126: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 4127: if (exists($env{'form.addnewattach.filename'})) { 4128: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 4129: my $subdir = 'feedback/'.$env{'form.timestamp'}; 4130: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 4131: push(@currnewattach, $newattachment); 4132: } else { 4133: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4134: } 4135: } 4136: my $attachmenturls; 4137: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 4138: my $idx = $env{'form.idx'}; 4139: if ($idx) { 4140: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 4141: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4142: $env{'course.'.$env{'request.course.id'}.'.num'}); 4143: $attachmenturls = $contrib{$idx.':attachmenturl'}; 4144: } 4145: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 4146: $attachmenturls,$attachmax{'text'},$toolarge); 4147: return OK; 4148: } elsif ($env{'form.export'}) { 4149: &Apache::loncommon::content_type($r,'text/html'); 4150: $r->send_http_header; 4151: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 4152: my $mode='board'; 4153: my $status='OPEN'; 4154: my $previous=$env{'form.previous'}; 4155: if ($feedurl =~ /$LONCAPA::assess_re/) { 4156: $mode='problem'; 4157: $status=$Apache::inputtags::status[-1]; 4158: } 4159: my $discussion = &list_discussion($mode,$status,$symb); 4160: my $start_page = 4161: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 4162: my $end_page = 4163: &Apache::loncommon::end_page(); 4164: $r->print($start_page.$discussion.$end_page); 4165: return OK; 4166: 4167: } elsif ($env{'form.undeleteall'}) { 4168: &Apache::loncommon::content_type($r,'text/html'); 4169: $r->send_http_header; 4170: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.undeleteall'}); 4171: $r->print(&Apache::loncommon::start_page('Undelete all deleted discussion entries')); 4172: if (&Apache::lonnet::allowed('rin',$env{'request.course.id'})) { 4173: if (&Apache::lonnet::store({'deleted' => ''},$symb,$env{'request.course.id'}, 4174: $env{'course.'.$env{'request.course.id'}.'.domain'}, 4175: $env{'course.'.$env{'request.course.id'}.'.num'}) eq 'ok') { 4176: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Undeleted all entries"))); 4177: } else { 4178: $r->print(&Apache::lonhtmlcommon::confirm_success(&mt("Failed to undelete entries"),1)); 4179: } 4180: $r->print("<br /><a href='$feedurl'>".&mt("Return and reload")."</a>"); 4181: } 4182: $r->print(&Apache::loncommon::end_page()); 4183: return OK; 4184: } else { 4185: # ------------------------------------------------------------- Normal feedback 4186: my $feedurl=$env{'form.postdata'}; 4187: $feedurl=~s/^https?\:\/\///; 4188: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 4189: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 4190: $feedurl=~s/\?.+$//; 4191: 4192: my $symb; 4193: if ($env{'form.replydisc'}) { 4194: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 4195: } elsif ($env{'form.editdisc'}) { 4196: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 4197: } elsif ($env{'form.origpage'}) { 4198: $symb=""; 4199: } elsif ($env{'form.sendmessageonly'}) { 4200: $symb=(split(/\:\:\:/,$env{'form.sendmessageonly'}))[0]; 4201: } else { 4202: $symb=&Apache::lonnet::symbread($feedurl); 4203: } 4204: unless ($symb) { 4205: $symb=$env{'form.symb'}; 4206: } 4207: if (defined($symb)) { 4208: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 4209: } else { 4210: # backward compatibility (bulletin boards used to be 'wrapped') 4211: &Apache::lonenc::check_decrypt(\$feedurl); 4212: &dewrapper(\$feedurl); 4213: } 4214: my $goahead=1; 4215: if ($feedurl=~/$LONCAPA::assess_re/) { 4216: unless ($symb) { $goahead=0; } 4217: } 4218: if (!$goahead) { 4219: # Ambiguous Problem Resource 4220: $r->internal_redirect('/adm/ambiguous'); 4221: return OK; 4222: } 4223: # Go ahead with feedback, no ambiguous reference 4224: unless ( 4225: ( 4226: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 4227: ) 4228: || 4229: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 4230: || 4231: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 4232: ) { 4233: &Apache::loncommon::content_type($r,'text/html'); 4234: $r->send_http_header; 4235: # Unable to give feedback 4236: &Apache::lonenc::check_encrypt(\$feedurl); 4237: &no_redirect_back($r,$feedurl); 4238: return OK; 4239: } 4240: # --------------------------------------------------- Print login screen header 4241: unless ($env{'form.sendit'}) { 4242: &Apache::lonenc::check_encrypt(\$feedurl); 4243: &Apache::loncommon::content_type($r,'text/html'); 4244: $r->send_http_header; 4245: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 4246: my ($blocked,$blocktext) = 4247: &Apache::loncommon::blocking_status('boards'); 4248: if ($blocked) { 4249: $r->print(&blocked_reply_or_edit($blocktext)); 4250: return OK; 4251: } 4252: } 4253: my $options=&screen_header($feedurl,$symb,$group); 4254: if ($options) { 4255: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 4256: } else { 4257: &fail_redirect($r,$feedurl); 4258: } 4259: return OK; 4260: } 4261: 4262: # Get previous user input 4263: my $prevattempts=&Apache::loncommon::get_previous_attempt( 4264: $symb,$env{'user.name'},$env{'user.domain'}, 4265: $env{'request.course.id'}); 4266: 4267: # Get output from resource 4268: &Apache::lonenc::check_encrypt(\$feedurl); 4269: my $usersaw=&resource_output($feedurl); 4270: 4271: # Get resource answer (need to allow student to view grades for this to work) 4272: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 4273: my $usersymb = &Apache::lonenc::check_encrypt($symb); 4274: my $useranswer= 4275: &Apache::loncommon::get_student_answers( 4276: $usersymb,$env{'user.name'},$env{'user.domain'}, 4277: $env{'request.course.id'}); 4278: &Apache::lonnet::delenv('allowed.vgr'); 4279: # Get attachments, if any, and not too large 4280: my $attachmenturl=''; 4281: my $toolarge=''; 4282: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 4283: ($env{'form.replydisc'})) { 4284: my ($symb,$idx); 4285: if ($env{'form.replydisc'}) { 4286: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 4287: } elsif ($env{'form.editdisc'}) { 4288: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 4289: } elsif ($env{'form.origpage'}) { 4290: $symb = $env{'form.symb'}; 4291: } 4292: &Apache::lonenc::check_decrypt(\$symb); 4293: my @currnewattach = (); 4294: my @deloldattach = (); 4295: my @keepold = (); 4296: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 4297: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 4298: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 4299: } elsif ($env{'form.attachment.filename'}) { 4300: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 4301: my $now = time; 4302: my $subdir = 'feedback/'.$now; 4303: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 4304: } else { 4305: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 4306: } 4307: } 4308: # Filter HTML out of message (could be nasty) 4309: my $override; 4310: if ($env{'form.discuss'} =~ /^(?:author|question|course|policy)$/) { 4311: $override = 1; 4312: } 4313: my $message=&clear_out_html($env{'form.comment'},$override); 4314: 4315: # Assemble email 4316: my ($email,$citations)=&assemble_email($message,$prevattempts, 4317: $usersaw,$useranswer); 4318: 4319: # Who gets this? 4320: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 4321: 4322: # Actually send mail 4323: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}), 4324: $feedurl,$email,$citations, 4325: $attachmenturl,$usersymb,%to); 4326: 4327: # Discussion? Store that. 4328: my $numpost=0; 4329: if ( ($env{'form.discuss'} ne '' 4330: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 4331: || $env{'form.anondiscuss'} ne '') { 4332: my $subject = &clear_out_html($env{'form.subject'}); 4333: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 4334: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 4335: $subject,$group); 4336: $numpost++; 4337: } 4338: 4339: # Add to blog? 4340: 4341: my $blog=''; 4342: if ($env{'form.blog'}) { 4343: my $subject = &clear_out_html($env{'form.subject'}); 4344: $status.=&Apache::lonrss::addentry($env{'user.name'}, 4345: $env{'user.domain'}, 4346: 'CourseBlog_'.$env{'request.course.id'}, 4347: $subject,$message,$feedurl,'public'); 4348: if (&Apache::loncommon::course_type() eq 'Community') { 4349: $blog='<br />'.&mt('Added to my community blog').'<br />'; 4350: } else { 4351: $blog='<br />'.&mt('Added to my course blog').'<br />'; 4352: } 4353: } 4354: 4355: # Receipt screen and redirect back to where came from 4356: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 4357: } 4358: return OK; 4359: } 4360: 4361: sub blocked_reply_or_edit { 4362: my ($blocktext) = @_; 4363: return 4364: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 4365: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 4366: &mt('Back to previous page'). 4367: &Apache::loncommon::end_page(); 4368: } 4369: 4370: sub wrap_symb { 4371: my ($ressymb)=@_; 4372: if ($ressymb =~ /bulletin___\d+___/) { 4373: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 4374: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4375: } 4376: } 4377: return $ressymb; 4378: } 4379: sub dewrapper { 4380: my ($feedurl)=@_; 4381: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 4382: $$feedurl=~s|^/adm/wrapper||; 4383: } 4384: } 4385: 4386: sub get_feedurl { 4387: my ($symb)=@_; 4388: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 4389: my $feedurl = &Apache::lonnet::clutter($url); 4390: &dewrapper(\$feedurl); 4391: return $feedurl; 4392: } 4393: 4394: sub get_feedurl_and_clean_symb { 4395: my ($symb)=@_; 4396: &Apache::lonenc::check_decrypt(\$symb); 4397: # backward compatibility (bulletin boards used to be 'wrapped') 4398: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 4399: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 4400: } 4401: my $feedurl = &get_feedurl($symb); 4402: return ($symb,$feedurl); 4403: } 4404: 4405: sub editing_allowed { 4406: my ($postid,$group) = @_; 4407: $postid = &unescape($postid); 4408: my $can_edit = 0; 4409: if ($group ne '') { 4410: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 4411: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 4412: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 4413: if (&check_group_priv($group,'egp') eq 'ok') { 4414: $can_edit = 1; 4415: } 4416: return $can_edit; 4417: } 4418: } 4419: my $cid = $env{'request.course.id'}; 4420: my $role = (split(/\./,$env{'request.role'}))[0]; 4421: my $section = $env{'request.course.sec'}; 4422: my $allow_editing_config = 4423: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 4424: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 4425: $can_edit = 1; 4426: } else { 4427: foreach my $editor (split(/,/,$allow_editing_config)) { 4428: my ($editor_role,$editor_sec) = split(/:/,$editor); 4429: if ($editor_role eq $role 4430: && defined($editor_sec) 4431: && defined($section) 4432: && $editor_sec eq $section) { 4433: $can_edit = 1; 4434: last; 4435: } 4436: if ($editor_role eq $role 4437: && !defined($editor_sec)) { 4438: $can_edit = 1; 4439: } 4440: } 4441: } 4442: return $can_edit; 4443: } 4444: 4445: sub check_group_priv { 4446: my ($group,$grp_priv) = @_; 4447: foreach my $priv ('mdg','vcg') { 4448: my $checkcourse = $env{'request.course.id'}. 4449: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 4450: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 4451: return 'ok'; 4452: } 4453: } 4454: if ($grp_priv && $group ne '') { 4455: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 4456: return 'ok'; 4457: } 4458: } 4459: return ''; 4460: } 4461: 4462: sub group_args { 4463: my ($group) = @_; 4464: if ($group eq '') { return ''; } 4465: my $extra_args = '&group='.$group; 4466: if (exists($env{'form.ref'})) { 4467: $extra_args .= '&ref='.$env{'form.ref'}; 4468: } 4469: return $extra_args; 4470: } 4471: 4472: sub get_resource_title { 4473: my ($symb,$feedurl) = @_; 4474: my ($restitle,$plainurl); 4475: if (defined($symb)) { 4476: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 4477: $restitle = &Apache::lonnet::gettitle($plain_symb); 4478: } 4479: if (defined($feedurl)) { 4480: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 4481: } 4482: if (!defined($restitle)) { 4483: if (defined($feedurl)) { 4484: $restitle = &Apache::lonnet::gettitle($plainurl); 4485: } 4486: } 4487: if ($plainurl ne $feedurl) { 4488: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 4489: if ($plain_filename eq $restitle) { 4490: $restitle = &mt('Untitled resource'); 4491: } 4492: } 4493: if ($restitle eq '') { 4494: $restitle = &mt('Untitled resource'); 4495: } 4496: return $restitle; 4497: } 4498: 4499: 1; 4500: __END__ 4501: 4502: 4503: =pod 4504: 4505: =head1 NAME 4506: 4507: Apache::lonfeedback.pm 4508: 4509: =head1 SYNOPSIS 4510: 4511: Handles feedback from students to instructors and system administrators. 4512: 4513: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 4514: 4515: Used by lonmsg.pm. 4516: 4517: This is part of the LearningOnline Network with CAPA project 4518: described at http://www.lon-capa.org. 4519: 4520: =head1 OVERVIEW 4521: 4522: None 4523: 4524: =head1 SUBROUTINES 4525: 4526: =over 4527: 4528: =item discussion_open() 4529: 4530: =item discussion_visible() 4531: 4532: =item list_discussion() 4533: 4534: =item send_feedback_link() 4535: 4536: =item send_message_link() 4537: 4538: =item action_links_bar() 4539: 4540: =item postingform_display() 4541: 4542: =item build_posting_display 4543: 4544: =item filter_regexp() 4545: 4546: =item get_post_contents() 4547: 4548: =item replicate_attachments() 4549: 4550: =item mail_screen() 4551: 4552: =item print_display_options() 4553: 4554: =item print_sortfilter_options() 4555: 4556: =item print_showposters() 4557: 4558: =item get_post_versions() 4559: 4560: =item get_post_attachments() 4561: 4562: =item fail_redirect() 4563: 4564: =item redirect_back() 4565: 4566: =item no_redirect_back() 4567: 4568: =item screen_header() 4569: 4570: =item resource_output() 4571: 4572: =item clear_out_html() 4573: 4574: =item assemble_email() 4575: 4576: =item feedback_available() 4577: 4578: =item send_msg() 4579: 4580: =item adddiscuss() 4581: 4582: =item get_discussion_info() 4583: 4584: =item show_preview() 4585: 4586: =item newline_to_br() 4587: 4588: =item tidy_html() 4589: 4590: =item generate_preview_button() 4591: 4592: =item modify_attachments() 4593: 4594: =item process_attachments() 4595: 4596: =item generate_attachments_button() 4597: 4598: =item extract_attachments() 4599: 4600: =item construct_attachmenturl() 4601: 4602: =item add_blog_checkbox() 4603: 4604: =item has_discussion() 4605: 4606: =item sort_filter_names() 4607: 4608: =item handler() 4609: 4610: =item blocked_reply_or_edit() 4611: 4612: =item wrap_symb() 4613: 4614: =item dewrapper() 4615: 4616: =item get_feedurl() 4617: 4618: =item get_feedurl_and_clean_symb() 4619: 4620: =item editing_allowed() 4621: 4622: =item check_group_priv() 4623: 4624: =item group_args() 4625: 4626: =item get_resource_title() 4627: 4628: =back 4629: 4630: =cut