loncom/interface/lonfeedback.pm - view

File: [LON-CAPA] / loncom / interface / lonfeedback.pm
Revision 1.273.4.1: download - view: text, annotated - select for diffs
Mon Oct 12 18:51:43 2009 UTC (14 years, 7 months ago) by raeburn
Branches: version_2_9_X
CVS tags: version_2_8_99_0, GCI_2
Diff to branchpoint 1.273: preferred, unified

- Backport 1.277.

1: # The LearningOnline Network 2: # Feedback 3: # 4: # $Id: lonfeedback.pm,v 1.273.4.1 2009/10/12 18:51:43 raeburn Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: ### 29: 30: package Apache::lonfeedback; 31: 32: use strict; 33: use Apache::Constants qw(:common); 34: use Apache::lonmsg(); 35: use Apache::loncommon(); 36: use Apache::lontexconvert(); 37: use Apache::lonlocal; # must not have () 38: use Apache::lonnet; 39: use Apache::lonhtmlcommon(); 40: use Apache::lonnavmaps; 41: use Apache::lonenc(); 42: use Apache::lonrss(); 43: use HTML::LCParser(); 44: use Apache::lonspeller(); 45: use Apache::longroup; 46: use Cwd; 47: use LONCAPA; 48: 49: sub discussion_open { 50: my ($status,$symb)=@_; 51: if ($env{'request.role.adv'}) { return 1; } 52: if (defined($status) && 53: !($status eq 'CAN_ANSWER' || $status eq 'CANNOT_ANSWER' 54: || $status eq 'OPEN')) { 55: return 0; 56: } 57: my $close=&Apache::lonnet::EXT('resource.0.discussend',$symb); 58: if (defined($close) && $close ne '' && $close < time) { 59: return 0; 60: } 61: return 1; 62: } 63: 64: sub discussion_visible { 65: my ($status)=@_; 66: if (not &discussion_open($status)) { 67: my $hidden=&Apache::lonnet::EXT('resource.0.discusshide'); 68: if (lc($hidden) eq 'yes' or $hidden eq '' or !defined($hidden)) { 69: if (!$env{'request.role.adv'}) { return 0; } 70: } 71: } 72: return 1; 73: } 74: 75: sub list_discussion { 76: my ($mode,$status,$ressymb,$imsextras,$group)=@_; 77: unless ($ressymb) { $ressymb=&Apache::lonnet::symbread(); } 78: unless ($ressymb) { return ''; } 79: $ressymb=&wrap_symb($ressymb); 80: my $outputtarget=$env{'form.grade_target'}; 81: if (defined($env{'form.export'})) { 82: if($env{'form.export'}) { 83: $outputtarget = 'export'; 84: } 85: } 86: if (defined($imsextras)) { 87: if ($$imsextras{'caller'} eq 'imsexport') { 88: $outputtarget = 'export'; 89: } 90: } 91: if (not &discussion_visible($status)) { 92: if ($mode ne 'board') { 93: &Apache::lonenc::check_encrypt(\$ressymb); 94: return '<br />'.&send_message_link($ressymb); 95: } 96: } 97: if ($group ne '' && $mode eq 'board') { 98: if (&check_group_priv($group,'vgb') ne 'ok') { 99: return ''; 100: } 101: } 102: 103: my ($blocked,$blocktext) = 104: &Apache::loncommon::blocking_status('boards'); 105: if ($blocked) { 106: &Apache::lonenc::check_encrypt(\$ressymb); 107: if ($mode ne 'board') { 108: $blocktext.='<br />'.&send_message_link($ressymb); 109: } 110: return $blocktext; 111: } 112: 113: my @bgcols = ("LC_disc_old_item","LC_disc_new_item"); 114: my $discussiononly=0; 115: if ($mode eq 'board') { $discussiononly=1; } 116: unless ($env{'request.course.id'}) { return ''; } 117: my $crs='/'.$env{'request.course.id'}; 118: my $cid=$env{'request.course.id'}; 119: if ($env{'request.course.sec'}) { 120: $crs.='_'.$env{'request.course.sec'}; 121: } 122: $crs=~s/\_/\//g; 123: my $encsymb=&Apache::lonenc::check_encrypt($ressymb); 124: my $viewgrades=(&Apache::lonnet::allowed('vgr',$crs) 125: && ($ressymb=~/\.(problem|exam|quiz|assess|survey|form|task)$/)); 126: 127: my %usernamesort = (); 128: my %namesort =(); 129: my %subjectsort = (); 130: 131: # Get discussion display settings for this discussion 132: my $lastkey = $ressymb.'_lastread'; 133: my $showkey = $ressymb.'_showonlyunread'; 134: my $markkey = $ressymb.'_showonlyunmark', 135: my $visitkey = $ressymb.'_visit'; 136: my $ondispkey = $ressymb.'_markondisp'; 137: my $userpickkey = $ressymb.'_userpick'; 138: my $toggkey = $ressymb.'_readtoggle'; 139: my $readkey = $ressymb.'_read'; 140: $ressymb=$encsymb; 141: my %dischash = &Apache::lonnet::get('nohist_'.$cid.'_discuss',[$lastkey,$showkey,$markkey,$visitkey,$ondispkey,$userpickkey,$toggkey,$readkey],$env{'user.domain'},$env{'user.name'}); 142: my %discinfo = (); 143: my $showonlyunread = 0; 144: my $showunmark = 0; 145: my $markondisp = 0; 146: my $prevread = 0; 147: my $previous = 0; 148: my $visit = 0; 149: my $newpostsflag = 0; 150: my @posters = split(/\&/,$dischash{$userpickkey}); 151: 152: # Retain identification of "NEW" posts identified in last display, if continuing 'previous' browsing of posts. 153: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['previous','sortposts','rolefilter','statusfilter','sectionpick','grouppick','totposters']); 154: my $sortposts = $env{'form.sortposts'}; 155: my $statusfilter = $env{'form.statusfilter'}; 156: my @sectionpick = split(/,/,$env{'form.sectionpick'}); 157: my @grouppick = split(/,/,$env{'form.grouppick'}); 158: my @rolefilter = split(/,/,$env{'form.rolefilter'}); 159: 160: my $totposters = $env{'form.totposters'}; 161: $previous = $env{'form.previous'}; 162: if ($previous > 0) { 163: $prevread = $previous; 164: } elsif (defined($dischash{$lastkey})) { 165: unless ($dischash{$lastkey} eq '') { 166: $prevread = $dischash{$lastkey}; 167: } 168: } 169: 170: my $cdom = $env{'course.'.$cid.'.domain'}; 171: my $cnum = $env{'course.'.$cid.'.num'}; 172: 173: # Get information about students and non-students in course for filtering display of posts 174: my %roleshash = (); 175: my %roleinfo = (); 176: my ($classgroups,$studentgroups); 177: if ($env{'form.rolefilter'}) { 178: %roleshash = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum); 179: foreach my $rolekey (keys(%roleshash)) { 180: my ($role,$uname,$udom,$sec) = split(/:/,$rolekey); 181: if ($role =~ /^cr/) { 182: $role = 'cr'; 183: } 184: my ($end,$start) = split(/:/,$roleshash{$rolekey}); 185: my $now = time; 186: my $status = 'Active'; 187: if (($now < $start) || ($end > 0 && $now > $end)) { 188: $status = 'Expired'; 189: } 190: if ($uname && $udom) { 191: push(@{$roleinfo{$uname.':'.$udom}}, $role.':'.$sec.':'.$status); 192: } 193: } 194: my ($classlist,$keylist) = 195: &Apache::loncoursedata::get_classlist($cdom,$cnum); 196: my $sec_index = &Apache::loncoursedata::CL_SECTION(); 197: my $status_index = &Apache::loncoursedata::CL_STATUS(); 198: while (my ($student,$data) = each %$classlist) { 199: my ($section,$status) = ($data->[$sec_index], 200: $data->[$status_index]); 201: push(@{$roleinfo{$student}}, 'st:'.$section.':'.$status); 202: } 203: ($classgroups,$studentgroups) = 204: &Apache::loncoursedata::get_group_memberships($classlist,$keylist, 205: $cdom,$cnum); 206: } 207: 208: # Get discussion display default settings for user 209: if ($env{'environment.discdisplay'} eq 'unread') { 210: $showonlyunread = 1; 211: } 212: if ($env{'environment.discmarkread'} eq 'ondisp') { 213: $markondisp = 1; 214: } 215: 216: # Override user's default if user specified display setting for this discussion 217: if (defined($dischash{$ondispkey})) { 218: unless ($dischash{$ondispkey} eq '') { 219: $markondisp = $dischash{$ondispkey}; 220: } 221: } 222: if ($markondisp) { 223: $discinfo{$lastkey} = time; 224: } 225: 226: if (defined($dischash{$showkey})) { 227: unless ($dischash{$showkey} eq '') { 228: $showonlyunread = $dischash{$showkey}; 229: } 230: } 231: 232: if (defined($dischash{$markkey})) { 233: unless ($dischash{$markkey} eq '') { 234: $showunmark = $dischash{$markkey}; 235: } 236: } 237: 238: if (defined($dischash{$visitkey})) { 239: unless ($dischash{$visitkey} eq '') { 240: $visit = $dischash{$visitkey}; 241: } 242: } 243: $visit ++; 244: 245: my $seeid; 246: if (($group ne '') && ($mode eq 'board') && 247: ($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 248: if (&check_group_priv($group,'dgp') eq 'ok') { 249: $seeid = 1; 250: } 251: } else { 252: $seeid=&Apache::lonnet::allowed('rin',$crs); 253: } 254: my @discussionitems=(); 255: my %shown = (); 256: my @posteridentity=(); 257: 258: my $current=0; 259: my $visible=0; 260: my @depth=(); 261: my @replies = (); 262: my %alldiscussion=(); 263: my %imsitems=(); 264: my %imsfiles=(); 265: my %notshown = (); 266: my %newitem = (); 267: my $maxdepth=0; 268: my %anonhash=(); 269: my $anoncnt=0; 270: my $target=''; 271: unless ($env{'browser.interface'} eq 'textual' || 272: $env{'environment.remote'} eq 'off' ) { 273: $target='target="LONcom"'; 274: } 275: 276: my $now = time; 277: $discinfo{$visitkey} = $visit; 278: 279: &Apache::lonnet::put('nohist_'.$cid.'_discuss',\%discinfo,$env{'user.domain'},$env{'user.name'}); 280: &build_posting_display(\%usernamesort,\%subjectsort,\%namesort,\%notshown,\%newitem,\%dischash,\%shown,\%alldiscussion,\%imsitems,\%imsfiles,\%roleinfo,\@discussionitems,\@replies,\@depth,\@posters,\$maxdepth,\$visible,\$newpostsflag,\$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$encsymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,\@rolefilter,\@sectionpick,\@grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,\%anonhash,$anoncnt,$group); 281: 282: my $discussion=''; 283: my $manifestfile; 284: my $manifestok=0; 285: my $tempexport; 286: my $imsresources; 287: my $copyresult; 288: 289: my $function = &Apache::loncommon::get_users_function(); 290: my $color = &Apache::loncommon::designparm($function.'.tabbg', 291: $env{'user.domain'}); 292: my %lt = &Apache::lonlocal::texthash( 293: 'cuse' => 'Current discussion settings', 294: 'allposts' => 'All posts', 295: 'unread' => 'New posts only', 296: 'unmark' => 'Unread only', 297: 'ondisp' => 'Once displayed', 298: 'onmark' => 'Once marked not NEW', 299: 'toggoff' => 'Off', 300: 'toggon' => 'On', 301: 'disa' => 'Posts to be displayed', 302: 'npce' => 'Posts cease to be marked "NEW"', 303: 'epcb' => 'Each post can be toggled read/unread', 304: 'chgt' => 'Change', 305: 'disp' => 'Display', 306: 'nolo' => 'Not new', 307: 'togg' => 'Toggle read/unread', 308: 'aner' => 'An error occurred opening the manifest file.', 309: 'difo' => 'Discussion for', 310: 'aerr' => 'An error occurred opening the export file for posting', 311: 'aysu' => 'Are you sure you want to delete this post?', 312: 'dpwn' => 'Deleted posts will no longer be visible to you and other students', 313: 'bwco' => 'but will continue to be visible to your instructor', 314: 'depo' => 'Deleted posts will no longer be visible to you or anyone else.', 315: ); 316: 317: my $currdisp = $lt{'allposts'}; 318: my $currmark = $lt{'onmark'}; 319: my $currtogg = $lt{'toggoff'}; 320: my $dispchange = $lt{'unread'}; 321: my $markchange = $lt{'ondisp'}; 322: my $toggchange = $lt{'toggon'}; 323: my $chglink = '/adm/feedback?modifydisp='.$ressymb; 324: my $displinkA = 'onlyunread'; 325: my $displinkB = 'onlyunmark'; 326: my $marklink = 'markondisp'; 327: my $togglink = 'toggon'; 328: 329: if ($markondisp) { 330: $currmark = $lt{'ondisp'}; 331: $markchange = $lt{'onmark'}; 332: $marklink = 'markonread'; 333: } 334: 335: if ($showonlyunread) { 336: $currdisp = $lt{'unread'}; 337: $dispchange = $lt{'allposts'}; 338: $displinkA = 'allposts'; 339: } 340: 341: if ($showunmark) { 342: $currdisp = $lt{'unmark'}; 343: $dispchange = $lt{'unmark'}; 344: $displinkA='allposts'; 345: $displinkB='onlyunread'; 346: $showonlyunread = 0; 347: } 348: 349: if ($dischash{$toggkey}) { 350: $currtogg = $lt{'toggon'}; 351: $toggchange = $lt{'toggoff'}; 352: $togglink = 'toggoff'; 353: } 354: 355: $chglink .= '&changes='.$displinkA.'_'.$displinkB.'_'.$marklink.'_'.$togglink; 356: 357: if ($newpostsflag) { 358: $chglink .= '&previous='.$prevread; 359: } 360: $chglink.=&group_args($group); 361: 362: if ($visible) { 363: # Print the discusssion 364: if ($outputtarget eq 'tex') { 365: $discussion.='<tex>{\tiny \vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}'. 366: '\textbf{DISCUSSIONS}\makebox[2 cm][b]{\hrulefill}'. 367: '\vskip 0 mm\noindent\textbf{'.$lt{'cuse'}.'}:\vskip 0 mm'. 368: '\noindent\textbf{'.$lt{'disa'}.'}: \textit{'.$currdisp.'}\vskip 0 mm'. 369: '\noindent\textbf{'.$lt{'npce'}.'}: \textit{'.$currmark.'}}</tex>'; 370: } elsif ($outputtarget eq 'export') { 371: # Create temporary directory if this is an export 372: my $now = time; 373: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 374: $tempexport = $$imsextras{'tempexport'}; 375: if (!-e $tempexport) { 376: mkdir($tempexport,0700); 377: } 378: $tempexport .= '/'.$$imsextras{'count'}; 379: if (!-e $tempexport) { 380: mkdir($tempexport,0700); 381: } 382: } else { 383: $tempexport = $Apache::lonnet::perlvar{'lonDaemons'}.'/tmp/ims_exports'; 384: if (!-e $tempexport) { 385: mkdir($tempexport,0700); 386: } 387: $tempexport .= '/'.$now; 388: if (!-e $tempexport) { 389: mkdir($tempexport,0700); 390: } 391: $tempexport .= '/'.$env{'user.domain'}.'_'.$env{'user.name'}; 392: } 393: if (!-e $tempexport) { 394: mkdir($tempexport,0700); 395: } 396: # open manifest file 397: my $manifest = '/imsmanifest.xml'; 398: my $manifestfilename = $tempexport.$manifest; 399: if ($manifestfile = Apache::File->new('>'.$manifestfilename)) { 400: $manifestok=1; 401: print $manifestfile qq| 402: <?xml version="1.0" encoding="UTF-8"?> 403: <manifest xmlns="http://www.imsglobal.org/xsd/imscp_v1p1" xmlns:imsmd="http://www.imsglobal.org/xsd/imsmd_v1p2" 404: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 405: identifier="MANIFEST-$ressymb" xsi:schemaLocation="http://www.imsglobal.org/xsd/imscp_v1p1 406: imscp_v1p1.xsd http://www.imsglobal.org/xsd/imsmd_v1p2 imsmd_v1p2p2.xsd"> 407: <organizations default="$ressymb"> 408: <organization identifier="$ressymb"> 409: <title>$lt{'difo'} $ressymb</title>\n|; 410: } else { 411: $discussion .= $lt{'aner'}.'<br />'; 412: } 413: } else { 414: my $colspan=$maxdepth+1; 415: $discussion.= qq| 416: <script> 417: function verifydelete (caller,symb,idx,newflag,previous,groupparm) { 418: var symbparm = symb+':::'+idx 419: var prevparm = "" 420: if (newflag == 1) { 421: prevparm = "&previous="+previous 422: } 423: if (caller == 'studentdelete') { 424: if (confirm("$lt{'aysu'}\\n$lt{'dpwn'},\\n$lt{'bwco'}")) { 425: document.location.href = "/adm/feedback?hide="+symbparm+prevparm+groupparm 426: } 427: } else { 428: if (caller == 'seeiddelete') { 429: if (confirm("$lt{'aysu'}\\n$lt{'depo'}")) { 430: document.location.href = "/adm/feedback?deldisc="+symbparm+prevparm+groupparm 431: } 432: } 433: } 434: } 435: </script> 436: |; 437: $discussion.='<form name="readchoices" method="post" action="/adm/feedback?chgreads='.$ressymb.'" >'. 438: "\n".'<table class="LC_discussion">'; 439: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 440: $newpostsflag,$group, 441: $prevread,$markondisp); 442: my $escsymb=&escape($ressymb); 443: my $numhidden = keys(%notshown); 444: if ($numhidden > 0) { 445: my $colspan = $maxdepth+1; 446: $discussion.="\n".'<tr><td bgcolor="#CCCCCC" colspan="'.$colspan.'">'. 447: '<a href="/adm/feedback?allposts=1&symb='.$escsymb; 448: if ($newpostsflag) { 449: $discussion .= '&previous='.$prevread; 450: } 451: $discussion .= &group_args($group); 452: $discussion .= '">'.&mt('Show all posts').'</a> '.&mt('to display').' '. 453: $numhidden.' '; 454: if ($showunmark) { 455: $discussion .= &mt('posts previously marked read'); 456: } else { 457: $discussion .= &mt('previously viewed posts'); 458: } 459: $discussion .= '<br/></td></tr>'; 460: } 461: } 462: 463: # Choose sort mechanism 464: my @showposts = (); 465: if ($sortposts eq 'descdate') { 466: @showposts = (sort { $b <=> $a } keys(%alldiscussion)); 467: } elsif ($sortposts eq 'thread') { 468: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 469: } elsif ($sortposts eq 'subject') { 470: foreach my $key (sort(keys(%subjectsort))) { 471: push(@showposts, @{$subjectsort{$key}}); 472: } 473: } elsif ($sortposts eq 'username') { 474: foreach my $domain (sort(keys(%usernamesort))) { 475: foreach my $key (sort(keys(%{$usernamesort{$domain}}))) { 476: push(@showposts, @{$usernamesort{$domain}{$key}}); 477: } 478: } 479: } elsif ($sortposts eq 'lastfirst') { 480: foreach my $last (sort(keys(%namesort))) { 481: foreach my $key (sort(keys(%{$namesort{$last}}))) { 482: push(@showposts, @{$namesort{$last}{$key}}); 483: } 484: } 485: } else { 486: @showposts = (sort { $a <=> $b } keys(%alldiscussion)); 487: } 488: my $currdepth = 0; 489: my $firstidx = $alldiscussion{$showposts[0]}; 490: foreach my $post (@showposts) { 491: unless (($sortposts eq 'thread') || (($sortposts eq '') && ($env{'environment.threadeddiscussion'})) || ($outputtarget eq 'export')) { 492: $alldiscussion{$post} = $post; 493: } 494: unless ( ($notshown{$alldiscussion{$post}} eq '1') || ($shown{$alldiscussion{$post}} == 0) ) { 495: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 496: $discussion.="\n<tr>"; 497: } 498: my $thisdepth=$depth[$alldiscussion{$post}]; 499: if ($outputtarget ne 'tex' && $outputtarget ne 'export') { 500: for (1..$thisdepth) { 501: $discussion.='<td>   </td>'; 502: } 503: } 504: my $colspan=$maxdepth-$thisdepth+1; 505: if ($outputtarget eq 'tex') { 506: #cleanup block 507: $discussionitems[$alldiscussion{$post}]=~s/<table([^>]*)>/<table TeXwidth="90 mm">/; 508: $discussionitems[$alldiscussion{$post}]=~s/<tr([^>]*)><td([^>]*)>/<tr><td TeXwidth="20 mm" align="left">/; 509: my $threadinsert=''; 510: if ($thisdepth > 0) { 511: $threadinsert='<br /><strong>Reply: '.$thisdepth.'</strong>'; 512: } 513: $discussionitems[$alldiscussion{$post}]=~s/<\/td><td([^>]*)>/$threadinsert<\/td><td TeXwidth="65 mm" align="left">/; 514: $discussionitems[$alldiscussion{$post}]=~s/<a([^>]+)>(Edit|Hide|Delete|Reply|Submissions)<\/a>//g; 515: $discussionitems[$alldiscussion{$post}]=~s/(<b>|<\/b>|<\/a>|<a([^>]+)>)//g; 516: 517: $discussionitems[$alldiscussion{$post}]='<tex>\vskip 0 mm\noindent\makebox[2 cm][b]{\hrulefill}</tex>'.$discussionitems[$alldiscussion{$post}]; 518: $discussion.=$discussionitems[$alldiscussion{$post}]; 519: } elsif ($outputtarget eq 'export') { 520: my $postfilename = $alldiscussion{$post}.'-'.$imsitems{$alldiscussion{$post}}{'timestamp'}.'.html'; 521: if ($manifestok) { 522: if (($depth[$alldiscussion{$post}] <= $currdepth) && ($alldiscussion{$post} != $firstidx)) { 523: print $manifestfile ' </item>'."\n"; 524: } 525: $currdepth = $depth[$alldiscussion{$post}]; 526: print $manifestfile "\n". 527: '<item identifier="ITEM-'.$ressymb.'-'.$alldiscussion{$post}.'" isvisible="'. 528: $imsitems{$alldiscussion{$post}}{'isvisible'}.'" identifieref="RES-'.$ressymb.'-'.$alldiscussion{$post}.'">'. 529: '<title>'.$imsitems{$alldiscussion{$post}}{'title'}.'</title>'; 530: $imsresources .= "\n". 531: '<resource identifier="RES-'.$ressymb.'-'.$alldiscussion{$post}.'" type="webcontent" href="'.$postfilename.'">'."\n". 532: '<file href="'.$postfilename.'">'."\n". 533: $imsfiles{$alldiscussion{$post}}{$imsitems{$alldiscussion{$post}}{'currversion'}}."\n". 534: '</resource>'; 535: } 536: my $postingfile; 537: my $postingfilename = $tempexport.'/'.$postfilename; 538: if ($postingfile = Apache::File->new('>'.$postingfilename)) { 539: print $postingfile '<html><head><title>Discussion Post</title></head><body>'. 540: $imsitems{$alldiscussion{$post}}{'title'}.' '. 541: $imsitems{$alldiscussion{$post}}{'sender'}. 542: $imsitems{$alldiscussion{$post}}{'timestamp'}.'<br /><br />'. 543: $imsitems{$alldiscussion{$post}}{'message'}.'<br />'. 544: $imsitems{$alldiscussion{$post}}{'attach'}.'</body></html>'."\n"; 545: close($postingfile); 546: } else { 547: $discussion .= $lt{'aerr'}.' '.$alldiscussion{$post}.'<br />'; 548: } 549: $copyresult.=&replicate_attachments($imsitems{$alldiscussion{$post}}{'allattachments'},$tempexport); 550: } else { 551: $discussion.='<td class="'.$bgcols[$newitem{$alldiscussion{$post}}]. 552: '" colspan="'.$colspan.'">'. $discussionitems[$alldiscussion{$post}]. 553: '</td></tr>'; 554: } 555: } 556: } 557: unless ($outputtarget eq 'tex' || $outputtarget eq 'export') { 558: my $colspan=$maxdepth+1; 559: $discussion .= <<END; 560: <tr bgcolor="#FFFFFF"> 561: <td colspan="$colspan" class="LC_disc_action_links_bar"> 562: <table class="LC_disc_action_table"> 563: <tr> 564: <td align="left"> 565: <table border="0" cellpadding="0" cellspacing="4"> 566: <tr> 567: <td> 568: <font size="-1"><b>$lt{'cuse'}</b>:</td> 569: <td> </td> 570: <td><font size="-1"> 571: END 572: if ($newpostsflag) { 573: $discussion .= 574: '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i>  2. '.$lt{'nolo'}.' - <i>'.$currmark.'</i>'; 575: if ($dischash{$toggkey}) { 576: $discussion .= '  3. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 577: } 578: } else { 579: if ($dischash{$toggkey}) { 580: $discussion .= '1. '.$lt{'disp'}.' - <i>'.$currdisp.'</i> 2. '.$lt{'togg'}.' - <i>'.$currtogg.'</i>'; 581: } else { 582: $discussion .= 583: $lt{'disp'}.' - <i>'.$currdisp.'</i>'; 584: } 585: } 586: $discussion .= <<END; 587: </font></td> 588: <td> </td> 589: <td align="left"> 590: <font size="-1"><b><a href="$chglink">$lt{'chgt'}</a>?</font></b> 591: </td> 592: </tr> 593: </table> 594: </td> 595: END 596: if ($sortposts) { 597: my %sort_types = (); 598: my %role_types = (); 599: my %status_types = (); 600: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 601: 602: $discussion .= '<td><font size="-1"><b>'.&mt('Sorted by').'</b>: '.$sort_types{$sortposts}.'<br />'; 603: if (defined($env{'form.totposters'})) { 604: $discussion .= &mt('Posts by').':'; 605: if ($totposters > 0) { 606: foreach my $poster (@posters) { 607: $discussion .= ' '.$poster.','; 608: } 609: $discussion =~ s/,$//; 610: } else { 611: $discussion .= &mt('None selected'); 612: } 613: } else { 614: my $filterchoice =''; 615: if (@sectionpick > 0) { 616: $filterchoice = '<i>'.&mt('sections').'</i>- '.$env{'form.sectionpick'}; 617: $filterchoice .= '    '; 618: } 619: if (@grouppick > 0) { 620: $filterchoice = '<i>'.&mt('groups').'</i>- '.$env{'form.grouppick'}; 621: $filterchoice .= '    '; 622: } 623: if (@rolefilter > 0) { 624: $filterchoice .= '<i>'.&mt('roles').'</i>-'; 625: foreach my $role (@rolefilter) { 626: $filterchoice .= ' '.$role_types{$role}.','; 627: } 628: $filterchoice =~ s/,$//; 629: $filterchoice .= '<br />'.(' ' x8); 630: } 631: if ($statusfilter) { 632: $filterchoice .= '<i>'.&mt('status').'</i>- '.$status_types{$statusfilter}; 633: } 634: if ($filterchoice) { 635: $discussion .= '<b>'.&mt('Filters').'</b>: '.$filterchoice; 636: } 637: $discussion .= '</font></td>'; 638: } 639: } 640: if ($dischash{$toggkey}) { 641: my $storebutton = &mt('Save read/unread changes'); 642: $discussion.='<td align="right">'. 643: '<input type="hidden" name="discsymb" value="'.$ressymb.'" />'."\n". 644: '<input type="button" name="readoptions" value="'.$storebutton.'"'. 645: ' onClick="this.form.submit();" />'."\n". 646: '</td>'; 647: } 648: $discussion .= (<<END); 649: </tr> 650: </table> 651: </td> 652: </tr> 653: END 654: $discussion .= &action_links_bar($colspan,$ressymb,$visible, 655: $newpostsflag,$group, 656: $prevread,$markondisp); 657: $discussion .= " 658: </table> 659: <br /><br /></form>\n"; 660: } 661: if ($outputtarget eq 'export') { 662: if ($manifestok) { 663: while ($currdepth > 0) { 664: print $manifestfile " </item>\n"; 665: $currdepth --; 666: } 667: print $manifestfile qq| 668: </organization> 669: </organizations> 670: <resources> 671: $imsresources 672: </resources> 673: </manifest> 674: |; 675: close($manifestfile); 676: if ((defined($imsextras)) && ($$imsextras{'caller'} eq 'imsexport')) { 677: $discussion = $copyresult; 678: } else { 679: 680: #Create zip file in prtspool 681: 682: my $imszipfile = '/prtspool/'. 683: $env{'user.name'}.'_'.$env{'user.domain'}.'_'. 684: time.'_'.rand(1000000000).'.zip'; 685: my $cwd = &getcwd(); 686: my $imszip = '/home/httpd/'.$imszipfile; 687: chdir $tempexport; 688: open(OUTPUT, "zip -r $imszip * 2> /dev/null |"); 689: close(OUTPUT); 690: chdir $cwd; 691: $discussion .= &mt('Download the zip file from [_1]Discussion Posting Archive','<a href="'.$imszipfile.'">').'</a><br />'; 692: if ($copyresult) { 693: $discussion .= &mt('The following errors occurred during export').' - <br />'.$copyresult; 694: } 695: } 696: } else { 697: $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 />'; 698: } 699: return $discussion; 700: } 701: } 702: if ($discussiononly) { 703: my $now = time; 704: my $attachnum = 0; 705: my $currnewattach = []; 706: my $currdelold = []; 707: my $comment = ''; 708: my $subject = ''; 709: if ($env{'form.origpage'}) { 710: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['addnewattach','deloldattach','delnewattach','timestamp','idx','subject','comment']); 711: $subject = &unescape($env{'form.subject'}); 712: $comment = &unescape($env{'form.comment'}); 713: my @keepold = (); 714: &process_attachments($currnewattach,$currdelold,\@keepold); 715: if (@{$currnewattach} > 0) { 716: $attachnum += @{$currnewattach}; 717: } 718: } 719: if (&discussion_open($status)) { 720: if (($group ne '') && ($mode eq 'board')) { 721: if (&check_group_priv($group,'pgd') eq 'ok') { 722: $discussion .= 723: &postingform_display($mode,$ressymb,$now,$subject, 724: $comment,$outputtarget,$attachnum, 725: $currnewattach,$currdelold, 726: $group); 727: } 728: } else { 729: $discussion.= 730: &postingform_display($mode,$ressymb,$now,$subject, 731: $comment,$outputtarget,$attachnum, 732: $currnewattach,$currdelold); 733: } 734: } 735: } else { 736: $discussion.='<div class="LC_feedback_link">'; 737: if (&discussion_open($status) && 738: &Apache::lonnet::allowed('pch', 739: $env{'request.course.id'}. 740: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 741: if ($outputtarget ne 'tex') { 742: $discussion.= &send_feedback_link($ressymb,$target); 743: } 744: } 745: if ($outputtarget ne 'tex') { 746: $discussion.= &send_message_link($ressymb); 747: } 748: $discussion.='</div>'; 749: } 750: return $discussion; 751: } 752: 753: sub send_feedback_link { 754: my ($ressymb,$target) = @_; 755: my $output = '<span class="LC_feedback_link">'. 756: ' <a href="/adm/feedback?replydisc='. 757: &escape($ressymb).':::" '.$target.'>'. 758: '<img alt="" src="'. 759: &Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif'). 760: '" border="0" />'.&mt('Post Discussion').'</a></span>'; 761: return $output; 762: } 763: 764: sub send_message_link { 765: my ($ressymb) = @_; 766: my $output = '<span class="LC_message_link">'. 767: ' <a href="/adm/feedback?sendmessageonly=1&symb='. 768: &escape($ressymb).'"><img alt="" src="'. 769: &Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png'). 770: '" border="0" />'.&mt('Send Feedback').'</a></span>'; 771: return $output; 772: } 773: 774: sub action_links_bar { 775: my ($colspan,$ressymb,$visible,$newpostsflag,$group,$prevread,$markondisp) = @_; 776: my $discussion = '<tr><td class="LC_disc_action_links_bar" colspan="'.$colspan.'">'. 777: '<table width="100%" class="LC_disc_action_table"><tr>'. 778: '<td class="LC_disc_action_left">'; 779: my $escsymb=&escape($ressymb); 780: if ($visible>2) { 781: $discussion .= '<a href="/adm/feedback?cmd=threadedon&symb='.$escsymb; 782: if ($newpostsflag) { 783: $discussion .= '&previous='.$prevread; 784: } 785: $discussion .= &group_args($group); 786: $discussion .='">'.&mt('Threaded View').'</a>  '. 787: '<a href="/adm/feedback?cmd=threadedoff&symb='.$escsymb; 788: if ($newpostsflag) { 789: $discussion .= '&previous='.$prevread; 790: } 791: $discussion .= &group_args($group); 792: $discussion .='">'.&mt('Chronological View').'</a>   793: <a href="/adm/feedback?cmd=sortfilter&symb='.$escsymb; 794: if ($newpostsflag) { 795: $discussion .= '&previous='.$prevread; 796: } 797: $discussion .= &group_args($group); 798: $discussion .='">'.&mt('Sorting/Filtering options').'</a>'.(' ' x2); 799: } 800: $discussion .='<a href="/adm/feedback?export='.$escsymb; 801: if ($newpostsflag) { 802: $discussion .= '&previous='.$prevread; 803: } 804: $discussion .= &group_args($group); 805: $discussion .= '">'.&mt('Export').'?</a>  </td>'; 806: if ($newpostsflag) { 807: if (!$markondisp) { 808: $discussion .='<td class="LC_disc_action_right"><a href="/adm/preferences?action=changediscussions'; 809: $discussion .= &group_args($group); 810: $discussion .= '">'. 811: &mt('Preferences on what is marked as NEW'). 812: '</a><br /><a href="/adm/feedback?markread=1&symb='.$escsymb; 813: $discussion .= &group_args($group); 814: $discussion .= '">'.&mt('Mark NEW posts no longer new').'</a>'; 815: } else { 816: $discussion .= '<td> </td>'; 817: } 818: } else { 819: $discussion .= '<td> </td>'; 820: } 821: $discussion .= '</tr></table></td></tr>'; 822: return $discussion; 823: } 824: 825: sub postingform_display { 826: my ($mode,$ressymb,$now,$subject,$comment,$outputtarget,$attachnum, 827: $currnewattach,$currdelold,$group) = @_; 828: my $newattachmsg; 829: my %lt = &Apache::lonlocal::texthash( 830: 'note' => 'Note: in anonymous discussion, your name is visible only to course faculty', 831: 'title' => 'Title', 832: 'podi' => 'Post Discussion', 833: 'poan' => 'Post Anonymous Discussion', 834: 'newa' => 'New attachments', 835: ); 836: my $postingform = (<<ENDDISCUSS); 837: <form action="/adm/feedback" method="post" name="mailform" enctype="multipart/form-data"> <input type="submit" name="discuss" value="$lt{'podi'}" /> 838: <input type="submit" name="anondiscuss" value="$lt{'poan'}" /> <input type="hidden" name="symb" value="$ressymb" /> 839: <input type="hidden" name="sendit" value="true" /> 840: <input type="hidden" name="timestamp" value="$now" /> 841: <br /><a name="newpost"></a> 842: <font size="1">$lt{'note'}</font><br /> 843: <b>$lt{'title'}:</b> <input type="text" name="subject" value="$subject" size="30" /><br /><br /> 844: <textarea name="comment" cols="80" rows="14" wrap="hard">$comment</textarea> 845: ENDDISCUSS 846: if ($env{'form.origpage'}) { 847: $postingform .= '<input type="hidden" name="origpage" value="'. 848: $env{'form.origpage'}.'" />'."\n"; 849: foreach my $att (@{$currnewattach}) { 850: $postingform .= '<input type="hidden" name="currnewattach" '. 851: 'value="'.$att.'" />'."\n"; 852: } 853: } 854: if (exists($env{'form.ref'})) { 855: $postingform .= '<input type="hidden" name="ref" value="'. 856: $env{'form.ref'}.'" />'; 857: } 858: if ($group ne '') { 859: $postingform .='<input type="hidden" name="group" value="'.$group.'" />'; 860: } 861: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 862: if (!$blockblog) { 863: $postingform .= &add_blog_checkbox(); 864: } 865: $postingform .= "</form>\n"; 866: if ($outputtarget ne 'tex') { 867: $postingform .= &generate_attachments_button('',$attachnum,$ressymb, 868: $now,$currnewattach, 869: $currdelold,'',$mode, 870: $blockblog); 871: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 872: $newattachmsg = '<br /><b>'.$lt{'newa'}.'</b><br />'; 873: if (@{$currnewattach} > 1) { 874: $newattachmsg .= '<ol>'; 875: foreach my $item (@{$currnewattach}) { 876: $item =~ m#.*/([^/]+)$#; 877: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 878: } 879: $newattachmsg .= '</ol>'."\n"; 880: } else { 881: $$currnewattach[0] =~ m#.*/([^/]+)$#; 882: $newattachmsg .= '<a href="'.$$currnewattach[0].'">'.$1.'</a><br />'."\n"; 883: } 884: } 885: $postingform .= $newattachmsg; 886: $postingform .= &generate_preview_button(); 887: } 888: return $postingform; 889: } 890: 891: sub build_posting_display { 892: my ($usernamesort,$subjectsort,$namesort,$notshown,$newitem,$dischash,$shown,$alldiscussion,$imsitems,$imsfiles,$roleinfo,$discussionitems,$replies,$depth,$posters,$maxdepth,$visible,$newpostsflag,$current,$status,$viewgrades,$seeid,$prevread,$sortposts,$ressymb,$target,$readkey,$showunmark,$showonlyunread,$totposters,$rolefilter,$sectionpick,$grouppick,$classgroups,$statusfilter,$toggkey,$outputtarget,$anonhash,$anoncnt,$group) = @_; 893: my @original=(); 894: my @index=(); 895: my $skip_group_check = 0; 896: my $symb=&Apache::lonenc::check_decrypt($ressymb); 897: my $escsymb=&escape($ressymb); 898: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 899: $env{'course.'.$env{'request.course.id'}.'.domain'}, 900: $env{'course.'.$env{'request.course.id'}.'.num'}); 901: 902: my $see_anonymous = 903: &Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')); 904: 905: if ((@{$grouppick} == 0) || (grep(/^all$/,@{$grouppick}))) { 906: $skip_group_check = 1; 907: } 908: if ($contrib{'version'}) { 909: my $oldest = $contrib{'1:timestamp'}; 910: if ($prevread eq '0') { 911: $prevread = $oldest-1; 912: } 913: my ($skiptest,$rolematch,$roleregexp,$secregexp,$statusregexp); 914: if ($sortposts) { 915: ($skiptest,$roleregexp,$secregexp,$statusregexp) = 916: &filter_regexp($rolefilter,$sectionpick,$statusfilter); 917: $rolematch = $roleregexp.':'.$secregexp.':'.$statusregexp; 918: } 919: for (my $id=1;$id<=$contrib{'version'};$id++) { 920: my $idx=$id; 921: my $posttime = $contrib{$idx.':timestamp'}; 922: if ($prevread <= $posttime) { 923: $$newpostsflag = 1; 924: } 925: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 926: my $studenthidden=($contrib{'studenthidden'}=~/\.$idx\./); 927: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 928: my $origindex='0.'; 929: my $numoldver=0; 930: if ($contrib{$idx.':replyto'}) { 931: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 932: # this is a follow-up message 933: $original[$idx]=$original[$contrib{$idx.':replyto'}]; 934: $$depth[$idx]=$$depth[$contrib{$idx.':replyto'}]+1; 935: $origindex=$index[$contrib{$idx.':replyto'}]; 936: if ($$depth[$idx]>$$maxdepth) { $$maxdepth=$$depth[$idx]; } 937: } else { 938: $original[$idx]=0; 939: $$depth[$idx]=0; 940: } 941: } else { 942: # this is an original message 943: $original[$idx]=0; 944: $$depth[$idx]=0; 945: } 946: if ($$replies[$$depth[$idx]]) { 947: $$replies[$$depth[$idx]]++; 948: } else { 949: $$replies[$$depth[$idx]]=1; 950: } 951: unless ((($hidden) && (!$seeid)) || ($deleted)) { 952: $$visible++; 953: if ($contrib{$idx.':history'}) { 954: if ($contrib{$idx.':history'} =~ /:/) { 955: my @oldversions = split(/:/,$contrib{$idx.':history'}); 956: $numoldver = @oldversions; 957: } else { 958: $numoldver = 1; 959: } 960: } 961: $$current = $numoldver; 962: my %messages = (); 963: my %subjects = (); 964: my %attachtxt = (); 965: my %allattachments = (); 966: my ($screenname,$plainname); 967: my $sender = &mt('Anonymous'); 968: # Anonymous users getting number within a discussion 969: # Since idx is in static order, this should give the same sequence every time. 970: my $key=$contrib{$idx.':sendername'}.'@'.$contrib{$idx.':senderdomain'}; 971: unless ($$anonhash{$key}) { 972: $anoncnt++; 973: $$anonhash{$key}=&mt('Anonymous').' '.$anoncnt; 974: } 975: my ($message,$subject,$vgrlink,$ctlink); 976: &get_post_contents(\%contrib,$idx,$seeid,$outputtarget,\%messages,\%subjects,\%allattachments,\%attachtxt,$imsfiles,\$screenname,\$plainname,$numoldver); 977: 978: 979: # Set up for sorting by subject 980: unless ($outputtarget eq 'export') { 981: $message=$messages{$numoldver}; 982: $message.=$attachtxt{$numoldver}; 983: $subject=$subjects{$numoldver}; 984: if ($message) { 985: if ($hidden) { 986: $message='<font color="#888888">'.$message.'</font>'; 987: if ($studenthidden) { 988: $message .='<br /><br />Deleted by poster (student).'; 989: } 990: } 991: 992: if ($subject eq '') { 993: if (defined($$subjectsort{'__No subject'})) { 994: push(@{$$subjectsort{'__No subject'}}, $idx); 995: } else { 996: @{$$subjectsort{'__No subject'}} = ("$idx"); 997: } 998: } else { 999: if (defined($$subjectsort{$subject})) { 1000: push(@{$$subjectsort{$subject}}, $idx); 1001: } else { 1002: @{$$subjectsort{$subject}} = ("$idx"); 1003: } 1004: } 1005: if (!$contrib{$idx.':anonymous'} || $see_anonymous) { 1006: $sender=&Apache::loncommon::aboutmewrapper( 1007: $plainname, 1008: $contrib{$idx.':sendername'}, 1009: $contrib{$idx.':senderdomain'}).' ('. 1010: $contrib{$idx.':sendername'}.':'. 1011: $contrib{$idx.':senderdomain'}.')'; 1012: if ($contrib{$idx.':anonymous'}) { 1013: $sender.=' <font color="red"><b>['.$$anonhash{$key}.']</b></font> '. 1014: $screenname; 1015: } 1016: if ($see_anonymous) { 1017: $sender.=&Apache::loncommon::student_image_tag($contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 1018: } 1019: # Set up for sorting by domain, then username 1020: unless (defined($$usernamesort{$contrib{$idx.':senderdomain'}})) { 1021: %{$$usernamesort{$contrib{$idx.':senderdomain'}}} = (); 1022: } 1023: if (defined($$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}})) { 1024: push(@{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}}, $idx); 1025: } else { 1026: @{$$usernamesort{$contrib{$idx.':senderdomain'}}{$contrib{$idx.':sendername'}}} = ("$idx"); 1027: } 1028: # Set up for sorting by last name, then first name 1029: my %names = &Apache::lonnet::get('environment', 1030: ['firstname','lastname'],$contrib{$idx.':senderdomain'}, 1031: ,$contrib{$idx.':sendername'}); 1032: my $lastname = $names{'lastname'}; 1033: my $firstname = $names{'firstname'}; 1034: if ($lastname eq '') { 1035: $lastname = '_'; 1036: } 1037: if ($firstname eq '') { 1038: $firstname = '_'; 1039: } 1040: unless (defined($$namesort{$lastname})) { 1041: %{$$namesort{$lastname}} = (); 1042: } 1043: if (defined($$namesort{$lastname}{$firstname})) { 1044: push(@{$$namesort{$lastname}{$firstname}}, $idx); 1045: } else { 1046: @{$$namesort{$lastname}{$firstname}} = ("$idx"); 1047: } 1048: if (&editing_allowed($escsymb.':::'.$idx,$group)) { 1049: if (($env{'user.domain'} eq $contrib{$idx.':senderdomain'}) && ($env{'user.name'} eq $contrib{$idx.':sendername'})) { 1050: $sender.=' <a href="/adm/feedback?editdisc='. 1051: $escsymb.':::'.$idx; 1052: if ($$newpostsflag) { 1053: $sender .= '&previous='.$prevread; 1054: } 1055: $sender .= &group_args($group); 1056: $sender .= '" '.$target.'>'.&mt('Edit').'</a>'; 1057: 1058: unless ($seeid) { 1059: my $grpargs = &group_args($group); 1060: $sender.=" <a href=\"javascript:verifydelete('studentdelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')"; 1061: $sender .= '">'.&mt('Delete').'</a>'; 1062: } 1063: } 1064: } 1065: if ($seeid) { 1066: if ($hidden) { 1067: unless ($studenthidden) { 1068: $sender.=' <a href="/adm/feedback?unhide='. 1069: $escsymb.':::'.$idx; 1070: if ($$newpostsflag) { 1071: $sender .= '&previous='.$prevread; 1072: } 1073: $sender .= '">'.&mt('Make Visible').'</a>'; 1074: } 1075: } else { 1076: $sender.=' <a href="/adm/feedback?hide='. 1077: $escsymb.':::'.$idx; 1078: if ($$newpostsflag) { 1079: $sender .= '&previous='.$prevread; 1080: } 1081: $sender .= &group_args($group); 1082: $sender .= '">'.&mt('Hide').'</a>'; 1083: } 1084: my $grpargs = &group_args($group); 1085: $sender.= 1086: " <a href=\"javascript:verifydelete('seeiddelete','$escsymb','$idx','$$newpostsflag','$prevread','$grpargs')\">"; 1087: $sender .= &mt('Delete').'</a>'; 1088: } 1089: } else { 1090: if ($screenname) { 1091: $sender='<i>'.$screenname.'</i>'; 1092: } else { 1093: $sender='<i>'.$$anonhash{$key}.'</i>'; 1094: } 1095: # Set up for sorting by domain, then username for anonymous 1096: unless (defined($$usernamesort{'__anon'})) { 1097: %{$$usernamesort{'__anon'}} = (); 1098: } 1099: if (defined($$usernamesort{'__anon'}{'__anon'})) { 1100: push(@{$$usernamesort{'__anon'}{'__anon'}}, $idx); 1101: } else { 1102: @{$$usernamesort{'__anon'}{'__anon'}} = ("$idx"); 1103: } 1104: # Set up for sorting by last name, then first name for anonymous 1105: unless (defined($$namesort{'__anon'})) { 1106: %{$$namesort{'__anon'}} = (); 1107: } 1108: if (defined($$namesort{'__anon'}{'__anon'})) { 1109: push(@{$$namesort{'__anon'}{'__anon'}}, $idx); 1110: } else { 1111: @{$$namesort{'__anon'}{'__anon'}} = ("$idx"); 1112: } 1113: } 1114: if (&discussion_open($status)) { 1115: if (($group ne '') && 1116: (&check_group_priv($group,'pgd') eq 'ok')) { 1117: $sender.=' <a href="/adm/feedback?replydisc='. 1118: $escsymb.':::'.$idx; 1119: if ($$newpostsflag) { 1120: $sender .= '&previous='.$prevread; 1121: } 1122: $sender .= &group_args($group); 1123: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1124: } elsif (&Apache::lonnet::allowed('pch', 1125: $env{'request.course.id'}. 1126: ($env{'request.course.sec'}?'/'. 1127: $env{'request.course.sec'}:''))) { 1128: $sender.=' <a href="/adm/feedback?replydisc='. 1129: $escsymb.':::'.$idx; 1130: if ($$newpostsflag) { 1131: $sender .= '&previous='.$prevread; 1132: } 1133: $sender .= '" '.$target.'>'.&mt('Reply').'</a>'; 1134: } 1135: } 1136: if ($viewgrades) { 1137: $vgrlink=&Apache::loncommon::submlink('Submissions', 1138: $contrib{$idx.':sendername'},$contrib{$idx.':senderdomain'},$ressymb); 1139: } 1140: if ($$dischash{$readkey}=~/\.$idx\./) { 1141: $ctlink = '<label><b>'.&mt('Mark unread').'?</b> <input type="checkbox" name="postunread_'.$idx.'" /></label>'; 1142: } else { 1143: $ctlink = '<label><b>'.&mt('Mark read').'?</b> <input type="checkbox" name="postread_'.$idx.'" /></label>'; 1144: } 1145: } 1146: #figure out at what position this needs to print 1147: } 1148: if ($outputtarget eq 'export' || $message) { 1149: my $thisindex=$idx; 1150: if ( (($env{'environment.threadeddiscussion'}) && ($sortposts eq '')) || ($sortposts eq 'thread') || ($outputtarget eq 'export')) { 1151: $thisindex=$origindex.substr('00'.$$replies[$$depth[$idx]],-2,2); 1152: } 1153: $$alldiscussion{$thisindex}=$idx; 1154: $$shown{$idx} = 0; 1155: $index[$idx]=$thisindex; 1156: } 1157: if ($outputtarget eq 'export') { 1158: %{$$imsitems{$idx}} = (); 1159: $$imsitems{$idx}{'isvisible'}='true'; 1160: if ($hidden) { 1161: $$imsitems{$idx}{'isvisible'}='false'; 1162: } 1163: $$imsitems{$idx}{'title'}=$subjects{$numoldver}; 1164: $$imsitems{$idx}{'message'}=$messages{$numoldver}; 1165: $$imsitems{$idx}{'attach'}=$attachtxt{$numoldver}; 1166: $$imsitems{$idx}{'timestamp'}=$contrib{$idx.':timestamp'}; 1167: $$imsitems{$idx}{'sender'}=$plainname.' ('. 1168: $contrib{$idx.':sendername'}.' at '. 1169: $contrib{$idx.':senderdomain'}.')'; 1170: $$imsitems{$idx}{'isanonymous'}='false'; 1171: if ($contrib{$idx.':anonymous'}) { 1172: $$imsitems{$idx}{'isanonymous'}='true'; 1173: } 1174: $$imsitems{$idx}{'currversion'}=$numoldver; 1175: %{$$imsitems{$idx}{'allattachments'}}=%allattachments; 1176: unless ($messages{$numoldver} eq '' && $attachtxt{$numoldver} eq '') { 1177: $$shown{$idx} = 1; 1178: } 1179: } else { 1180: if ($message) { 1181: my $spansize = 2; 1182: if ($showonlyunread && $prevread > $posttime) { 1183: $$notshown{$idx} = 1; 1184: } elsif ($showunmark && $$dischash{$readkey}=~/\.$idx\./) { 1185: $$notshown{$idx} = 1; 1186: } else { 1187: # apply filters 1188: my $uname = $contrib{$idx.':sendername'}; 1189: my $udom = $contrib{$idx.':senderdomain'}; 1190: my $poster = $uname.':'.$udom; 1191: if ($env{'form.totposters'} ne '') { 1192: if ($totposters == 0) { 1193: $$shown{$idx} = 0; 1194: } elsif ($totposters > 0) { 1195: if (grep/^$poster$/,@{$posters}) { 1196: $$shown{$idx} = 1; 1197: } 1198: } 1199: } elsif ($sortposts) { 1200: if ($skiptest) { 1201: $$shown{$idx} = 1; 1202: } else { 1203: foreach my $role (@{$$roleinfo{$poster}}) { 1204: if ($role =~ /^cc:/) { 1205: my $cc_regexp = $roleregexp.':[^:]*:'.$statusregexp; 1206: if ($role =~ /$cc_regexp/) { 1207: $$shown{$idx} = 1; 1208: last; 1209: } 1210: } elsif ($role =~ /^$rolematch$/) { 1211: $$shown{$idx} = 1; 1212: last; 1213: } 1214: } 1215: } 1216: if ($$shown{$idx} && !$skip_group_check) { 1217: my $showflag = 0; 1218: if (ref($$classgroups{$poster}{active}) eq 'HASH') { 1219: foreach my $grp (@{$grouppick}) { 1220: if (grep/^\Q$grp\E$/, 1221: keys(%{$$classgroups{$poster}{active}})) { 1222: $showflag = 1; 1223: last; 1224: } 1225: } 1226: } 1227: if ($showflag) { 1228: $$shown{$idx} = 1; 1229: } else { 1230: $$shown{$idx} = 0; 1231: } 1232: } 1233: } else { 1234: $$shown{$idx} = 1; 1235: } 1236: } 1237: unless ($$notshown{$idx} == 1) { 1238: if ($prevread > 0 && $prevread <= $posttime) { 1239: $$newitem{$idx} = 1; 1240: $$discussionitems[$idx] .= ' 1241: <p><table border="0" width="100%"> 1242: <tr><td align="left"><font color="#FF0000"><b>'.&mt('NEW').'</b></font></td>'; 1243: } else { 1244: $$newitem{$idx} = 0; 1245: $$discussionitems[$idx] .= ' 1246: <p><table border="0" width="100%"> 1247: <tr><td align="left"> </td>'; 1248: } 1249: $$discussionitems[$idx] .= '<td align="left">  '. 1250: '<b>'.$subject.'</b>  '. 1251: $sender.'</b> '.$vgrlink.' ('. 1252: &Apache::lonlocal::locallocaltime($posttime).')</td>'; 1253: if ($$dischash{$toggkey}) { 1254: $$discussionitems[$idx].='<td align="right">  '. 1255: $ctlink.'</td>'; 1256: } 1257: $$discussionitems[$idx].= '</tr></table><blockquote>'. 1258: $message.'</blockquote></p>'; 1259: if ($contrib{$idx.':history'}) { 1260: my @postversions = (); 1261: $$discussionitems[$idx] .= &mt('This post has been edited by the author.'); 1262: if ($seeid) { 1263: $$discussionitems[$idx] .= '  <a href="/adm/feedback?allversions='.$escsymb.':::'.$idx; 1264: $$discussionitems[$idx] .= &group_args($group); 1265: $$discussionitems[$idx] .= '">'.&mt('Display all versions').'</a>'; 1266: } 1267: $$discussionitems[$idx].='<br/>'.&mt('Earlier version(s) were posted on: '); 1268: if ($contrib{$idx.':history'} =~ m/:/) { 1269: @postversions = split(/:/,$contrib{$idx.':history'}); 1270: } else { 1271: @postversions = ("$contrib{$idx.':history'}"); 1272: } 1273: for (my $i=0; $i<@postversions; $i++) { 1274: my $version = $i+1; 1275: $$discussionitems[$idx] .= '<b>'.$version.'.</b> - '.&Apache::lonlocal::locallocaltime($postversions[$i]).' '; 1276: } 1277: } 1278: } 1279: } 1280: } 1281: } 1282: } 1283: } 1284: } 1285: 1286: sub filter_regexp { 1287: my ($rolefilter,$sectionpick,$statusfilter) = @_; 1288: my ($roleregexp,$secregexp,$statusregexp); 1289: my $skiptest = 1; 1290: if (@{$rolefilter} > 0) { 1291: my @okrolefilter = (); 1292: foreach my $role (@{$rolefilter}) { 1293: unless ($role eq '') { 1294: push(@okrolefilter, $role); 1295: } 1296: } 1297: if (@okrolefilter > 0) { 1298: if (grep/^all$/,@okrolefilter) { 1299: $roleregexp='[^:]+'; 1300: } else { 1301: if (@okrolefilter == 1) { 1302: $roleregexp=$okrolefilter[0]; 1303: } else { 1304: $roleregexp='('.join('|',@okrolefilter).')'; 1305: } 1306: $skiptest = 0; 1307: } 1308: } 1309: } 1310: if (@{$sectionpick} > 0) { 1311: my @oksectionpick = (); 1312: foreach my $sec (@{$sectionpick}) { 1313: unless ($sec eq '') { 1314: push(@oksectionpick, $sec); 1315: } 1316: } 1317: if ((@oksectionpick > 0) && (!grep/^all$/,@oksectionpick)) { 1318: if (@oksectionpick == 1) { 1319: $secregexp = $oksectionpick[0]; 1320: } else { 1321: $secregexp .= '('.join('|',@oksectionpick).')'; 1322: } 1323: $skiptest = 0; 1324: } else { 1325: $secregexp .= '[^:]*'; 1326: } 1327: } 1328: 1329: if (defined($statusfilter) && $statusfilter ne '') { 1330: if ($statusfilter eq 'all') { 1331: $statusregexp = '[^:]+'; 1332: } else { 1333: $statusregexp = $statusfilter; 1334: $skiptest = 0; 1335: } 1336: } 1337: return ($skiptest,$roleregexp,$secregexp,$statusregexp); 1338: } 1339: 1340: 1341: sub get_post_contents { 1342: my ($contrib,$idx,$seeid,$type,$messages,$subjects,$allattachments,$attachtxt,$imsfiles,$screenname,$plainname,$numver) = @_; 1343: my $discussion = ''; 1344: my $start=$numver; 1345: my $end=$numver + 1; 1346: %{$$imsfiles{$idx}}=(); 1347: if ($type eq 'allversions') { 1348: unless($seeid) { 1349: $discussion=&mt('You do not have privileges to view all versions of posts.').' '.&mt('Please select a different role.'); 1350: return $discussion; 1351: } 1352: } 1353: # $$screenname=&Apache::loncommon::screenname( 1354: # $$contrib{$idx.':sendername'}, 1355: # $$contrib{$idx.':senderdomain'}); 1356: $$plainname=&Apache::loncommon::nickname( 1357: $$contrib{$idx.':sendername'}, 1358: $$contrib{$idx.':senderdomain'}); 1359: $$screenname=$$contrib{$idx.':screenname'}; 1360: 1361: my $sender=&Apache::loncommon::aboutmewrapper( 1362: $$plainname, 1363: $$contrib{$idx.':sendername'}, 1364: $$contrib{$idx.':senderdomain'}).' ('. 1365: $$contrib{$idx.':sendername'}.' at '. 1366: $$contrib{$idx.':senderdomain'}.')'; 1367: my $attachmenturls = $$contrib{$idx.':attachmenturl'}; 1368: my @postversions = (); 1369: if ($type eq 'allversions' || $type eq 'export') { 1370: $start = 0; 1371: if ($$contrib{$idx.':history'}) { 1372: @postversions = split(/:/,$$contrib{$idx.':history'}); 1373: } 1374: &get_post_versions($messages,$$contrib{$idx.':message'},1); 1375: &get_post_versions($subjects,$$contrib{$idx.':subject'},1); 1376: push(@postversions,$$contrib{$idx.':timestamp'}); 1377: $end = @postversions; 1378: } else { 1379: &get_post_versions($messages,$$contrib{$idx.':message'},1,$numver); 1380: &get_post_versions($subjects,$$contrib{$idx.':subject'},1,$numver); 1381: } 1382: 1383: if ($$contrib{$idx.':anonymous'}) { 1384: $sender.=' ['.&mt('anonymous').'] '.$$screenname; 1385: } 1386: if ($type eq 'allversions') { 1387: $discussion=('<b>'.$sender.'</b><br /><ul>'); 1388: } 1389: for (my $i=$start; $i<$end; $i++) { 1390: my ($timesent,$attachmsg); 1391: my %currattach = (); 1392: $timesent = &Apache::lonlocal::locallocaltime($postversions[$i]); 1393: &newline_to_br(\$messages->{$i}); 1394: $$messages{$i}=&Apache::lontexconvert::msgtexconverted($$messages{$i}); 1395: $$subjects{$i}=~s/\n/\<br \/\>/g; 1396: $$subjects{$i}=&Apache::lontexconvert::msgtexconverted($$subjects{$i}); 1397: if ($attachmenturls) { 1398: &extract_attachments($attachmenturls,$idx,$i,\$attachmsg,$allattachments,\%currattach); 1399: } 1400: if ($type eq 'export') { 1401: $$imsfiles{$idx}{$i} = ''; 1402: if ($attachmsg) { 1403: $$attachtxt{$i} = '<br />'.&mt('Attachments').':<br />'; 1404: foreach my $key (sort(keys(%currattach))) { 1405: if ($$allattachments{$key}{'filename'} =~ m-^/uploaded/([^/]+/[^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1406: my $fname = $1.$3.'/'.$4; 1407: $$imsfiles{$idx}{$i} .= '<file href="'.$fname.'">'."\n"; 1408: $$attachtxt{$i}.= '<a href="'.$fname.'">'.$4.'</a><br />'; 1409: } 1410: } 1411: } 1412: } else { 1413: if ($attachmsg) { 1414: $$attachtxt{$i} = '<br />'.&mt('Attachments').':'.$attachmsg.'<br />'; 1415: } else { 1416: $$attachtxt{$i} = ''; 1417: } 1418: } 1419: if ($type eq 'allversions') { 1420: $discussion.= <<"END"; 1421: <li><b>$$subjects{$i}</b>, $timesent<br /> 1422: $$messages{$i}<br /> 1423: $$attachtxt{$i}</li> 1424: END 1425: } 1426: } 1427: if ($type eq 'allversions') { 1428: $discussion.='</ul>'; 1429: return $discussion; 1430: } else { 1431: return; 1432: } 1433: } 1434: 1435: sub replicate_attachments { 1436: my ($attachrefs,$tempexport) = @_; 1437: my $response; 1438: foreach my $id (keys(%{$attachrefs})) { 1439: if ($$attachrefs{$id}{'filename'} =~ m-^/uploaded/([^/]+)/([^/]+)(/feedback)?(/?\d*)/([^/]+)$-) { 1440: my $path = $tempexport; 1441: my $tail = $1.'/'.$2.$4; 1442: my @extras = split(/\//,$tail); 1443: my $destination = $tempexport.'/'.$1.'/'.$2.$4.'/'.$5; 1444: if (!-e $destination) { 1445: my $i= 0; 1446: while ($i<@extras) { 1447: $path .= '/'.$extras[$i]; 1448: if (!-e $path) { 1449: mkdir($path,0700); 1450: } 1451: $i ++; 1452: } 1453: my ($content,$rtncode); 1454: my $uploadreply = &Apache::lonnet::getuploaded('GET',$$attachrefs{$id}{'filename'},$1,$2,$content,$rtncode); 1455: if ($uploadreply eq 'ok') { 1456: my $attachcopy; 1457: if ($attachcopy = Apache::File->new('>'.$destination)) { 1458: print $attachcopy $content; 1459: close($attachcopy); 1460: } else { 1461: $response .= &mt('Error copying file attachment - [_1] to IMS package',$5).': '.$!.'<br />'."\n"; 1462: } 1463: } else { 1464: &Apache::lonnet::logthis("Replication of attachment failed when building IMS export of discussion posts - domain: $1, course: $2, file: $$attachrefs{$id}{'filename'} -error: $rtncode"); 1465: $response .= &mt('Error copying file attachment - [_1] to IMS package: ',$5).$rtncode.'<br />'."\n"; 1466: } 1467: } 1468: } 1469: } 1470: return $response; 1471: } 1472: 1473: sub mail_screen { 1474: my ($r,$feedurl,$options,$caller_symb,$attachmaxtext) = @_; 1475: if (exists($env{'form.origpage'})) { 1476: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','currnewattach','addnewattach','deloldattach','delnewattach','timestamp','idx','anondiscuss','discuss','blog','group','ref']); 1477: } 1478: 1479: my %lt = &Apache::lonlocal::texthash( 1480: 'plch' => 'Please check at least one of the following feedback types:', 1481: 'myqu' => 'My question/comment/feedback:', 1482: 'title' => 'Title', 1483: 'reta' => 'Retained attachments', 1484: 'atta' => 'Attachment', 1485: ); 1486: my $restitle = &get_resource_title($caller_symb,$feedurl); 1487: my $quote=''; 1488: my $subject = ''; 1489: my $comment = ''; 1490: my $prevtag = ''; 1491: my $parentmsg = ''; 1492: my ($symb,$idx,$attachmenturls); 1493: my $numoldver = 0; 1494: my $attachmsg = ''; 1495: my $newattachmsg = ''; 1496: my @currnewattach = (); 1497: my @currdelold = (); 1498: my @keepold = (); 1499: my %attachments = (); 1500: my %currattach = (); 1501: my $attachnum = 0; 1502: my $anonchk = (<<END); 1503: function anonchk() { 1504: for (var i=0; i < document.mailform.discuss.length; i++) { 1505: if (document.mailform.discuss[i].checked) { 1506: document.attachment.discuss.value = 1507: document.mailform.discuss[i].value; 1508: } 1509: } 1510: if (document.mailform.blog.checked) { 1511: document.attachment.blog.value = 1; 1512: } 1513: return 1514: } 1515: END 1516: my $anonscript; 1517: if (exists($env{'form.origpage'})) { 1518: $anonscript = (<<END); 1519: function setposttype() { 1520: var disc = "$env{'form.discuss'}"; 1521: for (var i=0; i < document.mailform.discuss.length; i++) { 1522: if (disc == document.mailform.discuss[i].value) { 1523: document.mailform.discuss[i].checked = 1; 1524: } 1525: } 1526: var blog = "$env{'form.blog'}"; 1527: if (blog == 1) { 1528: document.mailform.blog.checked=1; 1529: } 1530: return 1531: } 1532: END 1533: } else { 1534: $anonscript = (<<END); 1535: function setposttype() { 1536: return 1537: } 1538: END 1539: } 1540: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 1541: if ($env{'form.replydisc'}) { 1542: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 1543: } else { 1544: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 1545: } 1546: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 1547: $env{'course.'.$env{'request.course.id'}.'.domain'}, 1548: $env{'course.'.$env{'request.course.id'}.'.num'}); 1549: unless (($contrib{'hidden'}=~/\.$idx\./) || ($contrib{'deleted'}=~/\.$idx\./)) { 1550: if ($contrib{$idx.':history'}) { 1551: if ($contrib{$idx.':history'} =~ /:/) { 1552: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1553: $numoldver = @oldversions; 1554: } else { 1555: $numoldver = 1; 1556: } 1557: } 1558: if ($env{'form.replydisc'}) { 1559: if ($contrib{$idx.':history'}) { 1560: if ($contrib{$idx.':history'} =~ /:/) { 1561: my @oldversions = split(/:/,$contrib{$idx.':history'}); 1562: $numoldver = @oldversions; 1563: } else { 1564: $numoldver = 1; 1565: } 1566: } 1567: if ($idx > 0) { 1568: my %msgversions = (); 1569: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1570: $quote = $msgversions{$numoldver}; 1571: } 1572: if ($idx > 0) { 1573: my %subversions = (); 1574: &get_post_versions(\%subversions,$contrib{$idx.':subject'},1,$numoldver); 1575: $subject = &mt('Re: ').$subversions{$numoldver}; 1576: } 1577: $subject = &HTML::Entities::encode($subject,'<>&"'); 1578: } else { 1579: $attachmenturls = $contrib{$idx.':attachmenturl'}; 1580: if ($idx > 0) { 1581: my %msgversions = (); 1582: &get_post_versions(\%msgversions,$contrib{$idx.':message'},0,$numoldver); 1583: $comment = $msgversions{$numoldver}; 1584: my %subversions = (); 1585: &get_post_versions(\%subversions,$contrib{$idx.':subject'},0,$numoldver); 1586: $subject = $subversions{$numoldver}; 1587: } 1588: if (defined($contrib{$idx.':replyto'})) { 1589: $parentmsg = $contrib{$idx.':replyto'}; 1590: } 1591: unless (exists($env{'form.origpage'})) { 1592: my $anonflag = 'nonanon'; 1593: if ($contrib{$idx.':anonymous'}) { 1594: $anonflag = 'anon'; 1595: } 1596: $anonscript = (<<END); 1597: function setposttype () { 1598: var currtype = "$anonflag"; 1599: for (var i=0; i<document.mailform.discuss.length; i++) { 1600: if (document.mailform.elements.discuss[i].value == currtype ) { 1601: document.mailform.elements.discuss[i].checked=1; 1602: } 1603: } 1604: return 1605: } 1606: END 1607: } 1608: } 1609: } 1610: if ($env{'form.previous'}) { 1611: $prevtag = '<input type="hidden" name="previous" value="'.$env{'form.previous'}.'" />'; 1612: } 1613: } 1614: 1615: if ($env{'form.origpage'}) { 1616: $subject = &unescape($env{'form.subject'}); 1617: $comment = &unescape($env{'form.comment'}); 1618: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 1619: } 1620: my $latexHelp=&Apache::loncommon::helpLatexCheatsheet(undef,undef,1); 1621: my $send=&mt('Send'); 1622: my $alert = &mt('Please select a feedback type.'); 1623: my $js= <<END; 1624: <script type="text/javascript"> 1625: // 1659: </script> 1660: END 1661: 1662: my %onload = ('onload' => 'window.focus();setposttype();'); 1663: my $start_page= 1664: &Apache::loncommon::start_page('Resource Feedback and Discussion',$js, 1665: {'add_entries' => \%onload}); 1666: 1667: if ($quote ne '') { 1668: &newline_to_br(\$quote); 1669: $quote='<blockquote>'.&Apache::lontexconvert::msgtexconverted($quote).'</blockquote>'; 1670: } 1671: 1672: $r->print(<<END); 1673: $start_page 1674: <h2><tt>$restitle</tt></h2> 1675: <form action="/adm/feedback" method="post" name="mailform" 1676: enctype="multipart/form-data"> 1677: $prevtag 1678: <input type="hidden" name="postdata" value="$feedurl" /> 1679: END 1680: if ($env{'form.replydisc'}) { 1681: $r->print(<<END); 1682: <input type="hidden" name="replydisc" value="$env{'form.replydisc'}" /> 1683: END 1684: } elsif ($env{'form.editdisc'}) { 1685: $r->print(<<END); 1686: <input type="hidden" name="editdisc" value="$env{'form.editdisc'}" /> 1687: <input type="hidden" name="parentmsg" value="$parentmsg" /> 1688: END 1689: } 1690: $r->print(<<END); 1691: $lt{'plch'} 1692: $options<hr /> 1693: $quote 1694: <p>$lt{'myqu'}</p> 1695: <p> 1696: $latexHelp 1697: </p> 1698: <p> 1699: $lt{'title'}: <input type="text" name="subject" size="30" value="$subject" /></p> 1700: <p> 1701: <textarea name="comment" id="comment" cols="60" rows="10" wrap="hard">$comment 1702: </textarea></p> 1703: <p> 1704: END 1705: if ( ($env{'form.editdisc'}) || ($env{'form.replydisc'}) ) { 1706: if ($env{'form.origpage'}) { 1707: foreach my $attach (@currnewattach) { 1708: $r->print('<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"); 1709: } 1710: foreach my $oldatt (@currdelold) { 1711: $r->print('<input type="hidden" name="deloldattach" value="'.$oldatt.'" />'."\n"); 1712: } 1713: } 1714: if ($env{'form.editdisc'}) { 1715: if ($attachmenturls) { 1716: &extract_attachments($attachmenturls,$idx,$numoldver,\$attachmsg,\%attachments,\%currattach,\@currdelold); 1717: $attachnum = scalar(keys(%currattach)); 1718: foreach my $key (keys(%currattach)) { 1719: $r->print('<input type="hidden" name="keepold" value="'.$key.'" />'."\n"); 1720: } 1721: } 1722: } 1723: } else { 1724: $r->print(<<END); 1725: $lt{'atta'} $attachmaxtext: <input type="file" name="attachment" /> 1726: </p> 1727: END 1728: } 1729: if (exists($env{'form.group'})) { 1730: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1731: } 1732: if (exists($env{'form.ref'})) { 1733: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1734: } 1735: $r->print(<<END); 1736: <p> 1737: <input type="hidden" name="sendit" value="1" /> 1738: <input type="button" value="$send" onClick='gosubmit();' /> 1739: </p> 1740: </form> 1741: END 1742: if ($env{'form.editdisc'} || $env{'form.replydisc'}) { 1743: my $now = time; 1744: my $ressymb = $symb; 1745: &Apache::lonenc::check_encrypt(\$ressymb); 1746: my $postidx = ''; 1747: if ($env{'form.editdisc'}) { 1748: $postidx = $idx; 1749: } 1750: if (@currnewattach > 0) { 1751: $attachnum += @currnewattach; 1752: } 1753: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 1754: $r->print(&generate_attachments_button($postidx,$attachnum,$ressymb,$now,\@currnewattach,\@currdelold,$numoldver,'',$blockblog)); 1755: if ($attachnum > 0) { 1756: if (@currnewattach > 0) { 1757: $newattachmsg .= '<br /><b>'.&mt('New attachments').'</b><br />'; 1758: if (@currnewattach > 1) { 1759: $newattachmsg .= '<ol>'; 1760: foreach my $item (@currnewattach) { 1761: $item =~ m#.*/([^/]+)$#; 1762: $newattachmsg .= '<li><a href="'.$item.'">'.$1.'</a></li>'."\n"; 1763: } 1764: $newattachmsg .= '</ol>'."\n"; 1765: } else { 1766: $currnewattach[0] =~ m#.*/([^/]+)$#; 1767: $newattachmsg .= '<a href="'.$currnewattach[0].'">'.$1.'</a><br />'."\n"; 1768: } 1769: } 1770: if ($attachmsg) { 1771: $r->print("<br /><b>$lt{'reta'}</b>:$attachmsg<br />\n"); 1772: } 1773: if ($newattachmsg) { 1774: $r->print("$newattachmsg<br />"); 1775: } 1776: } 1777: } 1778: $r->print(&generate_preview_button(). 1779: &Apache::lonhtmlcommon::htmlareaselectactive('comment'). 1780: &Apache::loncommon::end_page()); 1781: 1782: } 1783: 1784: sub print_display_options { 1785: my ($r,$symb,$previous,$dispchgA,$dispchgB,$markchg,$toggchg,$feedurl) = @_; 1786: &Apache::loncommon::content_type($r,'text/html'); 1787: $r->send_http_header; 1788: 1789: my $function = &Apache::loncommon::get_users_function(); 1790: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 1791: $env{'user.domain'}); 1792: 1793: my %lt = &Apache::lonlocal::texthash( 1794: 'pref' => 'Display Preference', 1795: 'curr' => 'Current setting ', 1796: 'actn' => 'Action', 1797: 'deff' => 'Default for all discussions', 1798: 'prca' => 'Preferences can be set for this discussion that determine ....', 1799: 'whpo' => 'Which posts are displayed when you display this discussion board or resource, and', 1800: 'unwh' => 'Under what circumstances posts are identified as "NEW", and', 1801: 'wipa' => 'Whether individual posts can be marked as read/unread', 1802: 'allposts' => 'All posts', 1803: 'unread' => 'New posts only', 1804: 'unmark' => 'Posts not marked read', 1805: 'ondisp' => 'Once displayed', 1806: 'onmark' => 'Once marked not NEW', 1807: 'toggon' => 'Shown', 1808: 'toggoff' => 'Not shown', 1809: 'disa' => 'Posts displayed?', 1810: 'npmr' => 'New posts cease to be identified as "NEW"?', 1811: 'dotm' => 'Option to mark each post as read/unread?', 1812: 'chgt' => 'Change to ', 1813: 'mkdf' => 'Set to ', 1814: 'yhni' => 'You have not indicated that you wish to change any of the discussion settings', 1815: 'ywbr' => 'You will be returned to the previous page if you click OK.' 1816: ); 1817: 1818: my $dispchangeA = $lt{'unread'}; 1819: my $dispchangeB = $lt{'unmark'}; 1820: my $markchange = $lt{'ondisp'}; 1821: my $toggchange = $lt{'toggon'}; 1822: my $currdisp = $lt{'allposts'}; 1823: my $currmark = $lt{'onmark'}; 1824: my $discdisp = 'allposts'; 1825: my $discmark = 'onmark'; 1826: my $currtogg = $lt{'toggoff'}; 1827: my $disctogg = 'toggoff'; 1828: 1829: if ($dispchgA eq 'allposts') { 1830: $dispchangeA = $lt{'allposts'}; 1831: $currdisp = $lt{'unread'}; 1832: $discdisp = 'unread'; 1833: } 1834: 1835: if ($markchg eq 'markonread') { 1836: $markchange = $lt{'onmark'}; 1837: $currmark = $lt{'ondisp'}; 1838: $discmark = 'ondisp'; 1839: } 1840: 1841: if ($dispchgB eq 'onlyunread') { 1842: $dispchangeB = $lt{'unread'}; 1843: $currdisp = $lt{'unmark'}; 1844: $discdisp = 'unmark'; 1845: } 1846: if ($toggchg eq 'toggoff') { 1847: $toggchange = $lt{'toggoff'}; 1848: $currtogg = $lt{'toggon'}; 1849: $disctogg = 'toggon'; 1850: } 1851: 1852: my $js = <<END; 1853: <script type="text/javascript"> 1854: function discdispChk(caller) { 1855: var disctogg = '$toggchg' 1856: if (caller == 0) { 1857: if (document.modifydisp.discdisp[0].checked == true) { 1858: if (document.modifydisp.discdisp[1].checked == true) { 1859: document.modifydisp.discdisp[1].checked = false 1860: } 1861: } 1862: } 1863: if (caller == 1) { 1864: if (document.modifydisp.discdisp[1].checked == true) { 1865: if (document.modifydisp.discdisp[0].checked == true) { 1866: document.modifydisp.discdisp[0].checked = false 1867: } 1868: if (disctogg == 'toggon') { 1869: document.modifydisp.disctogg.checked = true 1870: } 1871: if (disctogg == 'toggoff') { 1872: document.modifydisp.disctogg.checked = false 1873: } 1874: } 1875: } 1876: if (caller == 2) { 1877: var dispchgB = '$dispchgB' 1878: if (disctogg == 'toggoff') { 1879: if (document.modifydisp.disctogg.checked == true) { 1880: if (dispchgB == 'onlyunmark') { 1881: document.modifydisp.discdisp[1].checked = false 1882: } 1883: } 1884: } 1885: } 1886: } 1887: 1888: function setDisp() { 1889: var prev = "$previous" 1890: var chktotal = 0 1891: if (document.modifydisp.discdisp[0].checked == true) { 1892: document.modifydisp.$dispchgA.value = "$symb" 1893: chktotal ++ 1894: } 1895: if (document.modifydisp.discdisp[1].checked == true) { 1896: document.modifydisp.$dispchgB.value = "$symb" 1897: chktotal ++ 1898: } 1899: if (document.modifydisp.discmark.checked == true) { 1900: document.modifydisp.$markchg.value = "$symb" 1901: chktotal ++ 1902: } 1903: if (document.modifydisp.disctogg.checked == true) { 1904: document.modifydisp.$toggchg.value = "$symb" 1905: chktotal ++ 1906: } 1907: if (chktotal > 0) { 1908: document.modifydisp.submit() 1909: } else { 1910: if(confirm("$lt{'yhni'}. \\n$lt{'ywbr'}")) { 1911: if (prev > 0) { 1912: location.href = "$feedurl?previous=$previous" 1913: } else { 1914: location.href = "$feedurl" 1915: } 1916: } 1917: } 1918: } 1919: </script> 1920: END 1921: 1922: 1923: my $start_page = 1924: &Apache::loncommon::start_page('Discussion display options',$js); 1925: my $end_page = 1926: &Apache::loncommon::end_page(); 1927: $r->print(<<END); 1928: $start_page 1929: <form name="modifydisp" method="post" action="/adm/feedback"> 1930: $lt{'sdpf'}<br/> $lt{'prca'} <ol><li>$lt{'whpo'}</li><li>$lt{'unwh'}</li><li>$lt{'wipa'}</li></ol> 1931: <br /> 1932: END 1933: $r->print(&Apache::loncommon::start_data_table()); 1934: $r->print(<<END); 1935: <tr> 1936: <th>$lt{'pref'}</td> 1937: <th>$lt{'curr'}</td> 1938: <th>$lt{'actn'}?</td> 1939: </tr> 1940: END 1941: $r->print(&Apache::loncommon::start_data_table_row()); 1942: $r->print(<<END); 1943: <td>$lt{'disa'}</td> 1944: <td>$lt{$discdisp}</td> 1945: <td><label><input type="checkbox" name="discdisp" onClick="discdispChk('0')" /> $lt{'chgt'} "$dispchangeA"</label> 1946: <br /> 1947: <label><input type="checkbox" name="discdisp" onClick="discdispChk('1')" /> $lt{'chgt'} "$dispchangeB"</label> 1948: </td> 1949: END 1950: $r->print(&Apache::loncommon::end_data_table_row()); 1951: $r->print(&Apache::loncommon::start_data_table_row()); 1952: $r->print(<<END); 1953: <td>$lt{'npmr'}</td> 1954: <td>$lt{$discmark}</td> 1955: <td><label><input type="checkbox" name="discmark" />$lt{'chgt'} "$markchange"</label></td> 1956: END 1957: $r->print(&Apache::loncommon::end_data_table_row()); 1958: $r->print(&Apache::loncommon::start_data_table_row()); 1959: $r->print(<<END); 1960: <td>$lt{'dotm'}</td> 1961: <td>$lt{$disctogg}</td> 1962: <td><label><input type="checkbox" name="disctogg" onClick="discdispChk('2')" />$lt{'chgt'} "$toggchange"</label></td> 1963: END 1964: my $save = &mt('Save'); 1965: $r->print(&Apache::loncommon::end_data_table_row()); 1966: $r->print(&Apache::loncommon::end_data_table()); 1967: $r->print(<<END); 1968: <br /> 1969: <br /> 1970: <input type="hidden" name="symb" value="$symb" /> 1971: <input type="hidden" name="previous" value="$previous" /> 1972: <input type="hidden" name="$dispchgA" value="" /> 1973: <input type="hidden" name="$dispchgB" value="" /> 1974: <input type="hidden" name="$markchg" value="" /> 1975: <input type="hidden" name="$toggchg" value="" /> 1976: <input type="button" name="sub" value="$save" onClick="javascript:setDisp()" /> 1977: END 1978: if (exists($env{'form.group'})) { 1979: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 1980: } 1981: if (exists($env{'form.ref'})) { 1982: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 1983: } 1984: $r->print(" 1985: <br /> 1986: <br /> 1987: </form> 1988: $end_page 1989: "); 1990: return; 1991: } 1992: 1993: sub print_sortfilter_options { 1994: my ($r,$symb,$previous,$feedurl) = @_; 1995: 1996: &Apache::loncommon::content_type($r,'text/html'); 1997: $r->send_http_header; 1998: 1999: &Apache::lonenc::check_encrypt(\$symb); 2000: my @sections; 2001: my $section_sel = ''; 2002: my $numvisible = 5; 2003: my @groups; 2004: my $group_sel = ''; 2005: my $numgroupvis = 5; 2006: my %sectioncount = &Apache::loncommon::get_sections(); 2007: 2008: if ($env{'request.course.sec'} !~ /^\s*$/) { #Restrict section choice to current section 2009: @sections = ('all',$env{'request.course.sec'}); 2010: $numvisible = 2; 2011: } else { 2012: @sections = sort {$a cmp $b} keys(%sectioncount); 2013: if (scalar(@sections) < 4) { 2014: $numvisible = scalar(@sections) + 1; 2015: } 2016: unshift(@sections,'all'); # Put 'all' at the front of the list 2017: 2018: } 2019: foreach my $sec (@sections) { 2020: $section_sel .= " <option value=\"$sec\">$sec</option>\n"; 2021: } 2022: 2023: if (&check_group_priv() eq 'ok') { 2024: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2025: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2026: my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum); 2027: @groups = sort {$a cmp $b} keys(%curr_groups); 2028: if (scalar(@groups) < 4) { 2029: $numgroupvis = scalar(@groups) + 1; 2030: } 2031: unshift(@groups,'all'); # Put 'all' at the front of the list 2032: } else { 2033: my @coursegroups = split(/:/,$env{'request.course.groups'}); 2034: if (@coursegroups > 0) { 2035: @coursegroups = sort {$a cmp $b} @coursegroups; 2036: @groups = ('all',@coursegroups); 2037: if (scalar(@groups) < 4) { 2038: $numgroupvis = scalar(@groups) + 1; 2039: } 2040: } else { 2041: @groups = ('all'); 2042: $numgroupvis = 1; 2043: } 2044: } 2045: foreach my $group (@groups) { 2046: $group_sel .= " <option value=\"$group\">$group</option>\n"; 2047: } 2048: 2049: my $function = &Apache::loncommon::get_users_function(); 2050: my $tabcolor = &Apache::loncommon::designparm($function.'.tabbg', 2051: $env{'user.domain'}); 2052: my %lt = &Apache::lonlocal::texthash( 2053: 'diop' => 'Display Options', 2054: 'curr' => 'Current setting ', 2055: 'actn' => 'Action', 2056: 'prca' => 'Set options that control the sort order of posts, and/or which posts are displayed.', 2057: 'soor' => 'Sort order', 2058: 'spur' => 'Specific user roles', 2059: 'sprs' => 'Specific role status', 2060: 'spse' => 'Specific sections', 2061: 'spgr' => 'Specific groups', 2062: 'psub' => 'Pick specific users (by name)', 2063: 'shal' => 'Show a list of current posters', 2064: 'stor' => 'Save changes', 2065: ); 2066: 2067: my %sort_types = (); 2068: my %role_types = (); 2069: my %status_types = (); 2070: &sort_filter_names(\%sort_types,\%role_types,\%status_types); 2071: 2072: my $js = <<END; 2073: <script type="text/javascript"> 2074: function verifyFilter() { 2075: var rolenum = 0 2076: for (var i=0; i<document.modifyshown.rolefilter.length; i++) { 2077: if (document.modifyshown.rolefilter.options[i].selected == true) { 2078: rolenum ++ 2079: } 2080: } 2081: if (rolenum == 0) { 2082: document.modifyshown.rolefilter.options[0].selected = true 2083: } 2084: 2085: var secnum = 0 2086: for (var i=0; i<document.modifyshown.sectionpick.length; i++) { 2087: if (document.modifyshown.sectionpick.options[i].selected == true) { 2088: secnum ++ 2089: } 2090: } 2091: if (secnum == 0) { 2092: document.modifyshown.sectionpick.options[0].selected = true 2093: } 2094: 2095: var grpnum = 0 2096: for (var i=0; i<document.modifyshown.grouppick.length; i++) { 2097: if (document.modifyshown.grouppick.options[i].selected == true) { 2098: grpnum ++ 2099: } 2100: } 2101: if (grpnum == 0) { 2102: document.modifyshown.grouppick.options[0].selected = true 2103: } 2104: 2105: document.modifyshown.submit(); 2106: } 2107: </script> 2108: END 2109: 2110: my $start_page= 2111: &Apache::loncommon::start_page('Discussion options',$js); 2112: my $end_page= 2113: &Apache::loncommon::end_page(); 2114: 2115: $r->print(<<END); 2116: $start_page 2117: <form name="modifyshown" method="post" action="/adm/feedback"> 2118: <b>$lt{'diso'}</b><br/> $lt{'prca'} 2119: <br /><br /> 2120: <table border="0"> 2121: <tr> 2122: <td><b>$lt{'soor'}</b></td> 2123: <td> </td> 2124: <td><b>$lt{'sprs'}</b></td> 2125: <td> </td> 2126: <td><b>$lt{'spur'}</b></td> 2127: <td> </td> 2128: <td><b>$lt{'spse'}</b></td> 2129: <td> </td> 2130: <td><b>$lt{'spgr'}</b></td> 2131: <td> </td> 2132: <td><b>$lt{'psub'}</b></td> 2133: </tr> 2134: <tr> 2135: <td align="center" valign="top"> 2136: <select name="sortposts"> 2137: <option value="ascdate" selected="selected">$sort_types{'ascdate'}</option> 2138: <option value="descdate">$sort_types{'descdate'}</option> 2139: <option value="thread">$sort_types{'thread'}</option> 2140: <option value="subject">$sort_types{'subject'}</option> 2141: <option value="username">$sort_types{'username'}</option> 2142: <option value="lastfirst">$sort_types{'lastfirst'}</option> 2143: </select> 2144: </td> 2145: <td> </td> 2146: <td align="center" valign="top"> 2147: <select name="statusfilter"> 2148: <option value="all" selected="selected">$status_types{'all'}</option> 2149: <option value="Active">$status_types{'Active'}</option> 2150: <option value="Expired">$status_types{'Expired'}</option> 2151: <option value="Future">$status_types{'Future'}</option> 2152: </select> 2153: </td> 2154: <td> </td> 2155: <td align="center" valign="top"> 2156: <select name="rolefilter" multiple="multiple" size="5"> 2157: <option value="all">$role_types{'all'}</option> 2158: <option value="st">$role_types{'st'}</option> 2159: <option value="cc">$role_types{'cc'}</option> 2160: <option value="in">$role_types{'in'}</option> 2161: <option value="ta">$role_types{'ta'}</option> 2162: <option value="ep">$role_types{'ep'}</option> 2163: <option value="cr">$role_types{'cr'}</option> 2164: </select> 2165: </td> 2166: <td> </td> 2167: <td align="center" valign="top"> 2168: <select name="sectionpick" multiple="multiple" size="$numvisible"> 2169: $section_sel 2170: </select> 2171: </td> 2172: <td> </td> 2173: <td align="center" valign="top"> 2174: <select name="grouppick" multiple="multiple" size="$numvisible"> 2175: $group_sel 2176: </select> 2177: </td> 2178: <td> </td> 2179: <td valign="top"><label><input type="checkbox" name="posterlist" value="$symb" />$lt{'shal'}</label></td> 2180: </tr> 2181: </table> 2182: <br /> 2183: <br /> 2184: <input type="hidden" name="previous" value="$previous" /> 2185: <input type="hidden" name="applysort" value="$symb" /> 2186: <input type="button" name="sub" value="$lt{'stor'}" onClick="verifyFilter()" /> 2187: END 2188: if (exists($env{'form.group'})) { 2189: $r->print('<input type="hidden" name="group" value="'.$env{'form.group'}.'" />'); 2190: } 2191: if (exists($env{'form.ref'})) { 2192: $r->print('<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'); 2193: } 2194: $r->print(" 2195: <br /> 2196: <br /> 2197: </form> 2198: $end_page 2199: "); 2200: } 2201: 2202: sub print_showposters { 2203: my ($r,$symb,$previous,$feedurl,$sortposts) = @_; 2204: 2205: &Apache::loncommon::content_type($r,'text/html'); 2206: $r->send_http_header; 2207: 2208: &Apache::lonenc::check_encrypt(\$symb); 2209: my $crs='/'.$env{'request.course.id'}; 2210: if ($env{'request.course.sec'}) { 2211: $crs.='_'.$env{'request.course.sec'}; 2212: } 2213: $crs=~s/\_/\//g; 2214: my $seeid; 2215: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 2216: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 2217: my $group = $env{'form.group'}; 2218: my $ressymb = &wrap_symb($symb); 2219: if (($group ne '') && 2220: ($ressymb =~ m|^bulletin___ \d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|)) { 2221: if (&check_group_priv($group,'dgp') eq 'ok') { 2222: $seeid = 1; 2223: } 2224: } else { 2225: $seeid=&Apache::lonnet::allowed('rin',$crs); 2226: } 2227: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 2228: $cdom,$cnum); 2229: my %namesort = (); 2230: my %postcounts = (); 2231: 2232: my %lt = &Apache::lonlocal::texthash( 2233: sele => 'Select', 2234: full => 'Fullname', 2235: usdo => 'Username:domain', 2236: post => 'Posts', 2237: ); 2238: if ($contrib{'version'}) { 2239: for (my $idx=1;$idx<=$contrib{'version'};$idx++) { 2240: my $hidden=($contrib{'hidden'}=~/\.$idx\./); 2241: my $deleted=($contrib{'deleted'}=~/\.$idx\./); 2242: unless ((($hidden) && (!$seeid)) || ($deleted)) { 2243: if ((!$contrib{$idx.':anonymous'}) || (&Apache::lonnet::allowed('rin',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) { 2244: my %names = &Apache::lonnet::get('environment',['firstname','lastname'],$contrib{$idx.':senderdomain'},$contrib{$idx.':sendername'}); 2245: my $lastname = $names{'lastname'}; 2246: my $firstname = $names{'firstname'}; 2247: if ($lastname eq '') { 2248: $lastname = '_'; 2249: } 2250: if ($firstname eq '') { 2251: $firstname = '_'; 2252: } 2253: unless (defined($namesort{$lastname})) { 2254: %{$namesort{$lastname}} = (); 2255: } 2256: my $poster = $contrib{$idx.':sendername'}.':'.$contrib{$idx.':senderdomain'}; 2257: $postcounts{$poster} ++; 2258: if (defined($namesort{$lastname}{$firstname})) { 2259: if (!grep/^$poster$/,@{$namesort{$lastname}{$firstname}}) { 2260: push(@{$namesort{$lastname}{$firstname}}, $poster); 2261: } 2262: } else { 2263: @{$namesort{$lastname}{$firstname}} = ("$poster"); 2264: } 2265: } 2266: } 2267: } 2268: } 2269: 2270: my $start_page = &Apache::loncommon::start_page('Discussion options'); 2271: my $table_start =&Apache::loncommon::start_data_table(); 2272: $r->print(<<END); 2273: $start_page 2274: <form name="pickpostersform" method="post"> 2275: <br /> 2276: $table_start 2277: <tr> 2278: <th>#</th> 2279: <th>$lt{'sele'}</th> 2280: <th>$lt{'full'} <font color="#999999">($lt{'usdo'})</font></th> 2281: <th>$lt{'post'}</th> 2282: </tr> 2283: END 2284: my $count = 0; 2285: foreach my $last (sort(keys(%namesort))) { 2286: foreach my $first (sort(keys(%{$namesort{$last}}))) { 2287: foreach my $user (sort(@{$namesort{$last}{$first}})) { 2288: my ($uname,$udom) = split(/:/,$user); 2289: if (!$uname || !$udom) { 2290: next; 2291: } else { 2292: $count ++; 2293: $r->print(&Apache::loncommon::start_data_table_row(). 2294: '<td align="right">'.$count.'</td> 2295: <td align="center"><label><input name="stuinfo" type="checkbox" value="'.$user.'" /></td> 2296: <td>'.$last.', '.$first.' ('.$uname.':'.$udom.')</label></td> 2297: <td>'.$postcounts{$user}.'</td>'. 2298: &Apache::loncommon::end_data_table_row()); 2299: } 2300: } 2301: } 2302: } 2303: $r->print(&Apache::loncommon::end_data_table()); 2304: my $end_page = &Apache::loncommon::end_page(); 2305: $r->print(<<END); 2306: <br /> 2307: <input type="hidden" name="sortposts" value="$sortposts" /> 2308: <input type="hidden" name="userpick" value="$symb" /> 2309: <input type="button" name="store" value="Display posts" onClick="javascript:document.pickpostersform.submit()" /> 2310: </form> 2311: $end_page 2312: END 2313: } 2314: 2315: sub get_post_versions { 2316: my ($versions,$incoming,$htmldecode,$numver) = @_; 2317: if ($incoming =~ /^<version num="0">/) { 2318: my $p = HTML::LCParser->new(\$incoming); 2319: my $done = 0; 2320: 2321: while ( (my $token = $p->get_tag("version")) && (!$done)) { 2322: my $num = $token->[1]{num}; 2323: my $text = $p->get_text("/version"); 2324: if (defined($numver)) { 2325: if ($num == $numver) { 2326: if ($htmldecode) { 2327: $text = &HTML::Entities::decode($text); 2328: } 2329: $$versions{$numver}=$text; 2330: $done = 1; 2331: } 2332: } else { 2333: if ($htmldecode) { 2334: $text = &HTML::Entities::decode($text); 2335: } 2336: $$versions{$num}=$text; 2337: } 2338: } 2339: } else { 2340: if (!defined($numver)) { 2341: $numver = 0; 2342: } 2343: if ($htmldecode) { 2344: $$versions{$numver} = $incoming; 2345: } else { 2346: $$versions{$numver} = &HTML::Entities::encode($incoming,'<>&"'); 2347: } 2348: } 2349: return; 2350: } 2351: 2352: sub get_post_attachments { 2353: my ($attachments,$attachmenturls) = @_; 2354: my $num; 2355: if ($attachmenturls =~ m/^<attachment id="0">/) { 2356: my $p = HTML::LCParser->new(\$attachmenturls); 2357: while (my $token = $p->get_tag("attachment","filename","post")) { 2358: if ($token->[0] eq "attachment") { 2359: $num = $token->[1]{id}; 2360: %{$$attachments{$num}} =(); 2361: } elsif ($token->[0] eq "filename") { 2362: $$attachments{$num}{'filename'} = $p->get_text("/filename"); 2363: } elsif ($token->[0] eq "post") { 2364: my $id = $token->[1]{id}; 2365: $$attachments{$num}{$id} = $p->get_text("/post"); 2366: } 2367: } 2368: } else { 2369: %{$$attachments{'0'}} = (); 2370: $$attachments{'0'}{'filename'} = $attachmenturls; 2371: $$attachments{'0'}{'0'} = 'n'; 2372: } 2373: 2374: return; 2375: } 2376: 2377: sub fail_redirect { 2378: my ($r,$feedurl) = @_; 2379: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2380: my %lt = &Apache::lonlocal::texthash( 2381: 'sorr' => 'Sorry, no recipients ...', 2382: ); 2383: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2384: $r->print(&Apache::loncommon::start_page('Feedback not sent',undef, 2385: {'redirect' => [2,$feedurl], 2386: 'only_body' => 1,})); 2387: $r->print(<<ENDFAILREDIR); 2388: <img align="right" src="$logo" /> 2389: <b>$lt{'sorr'}</b> 2390: ENDFAILREDIR 2391: $r->print(&Apache::loncommon::end_page()); 2392: } 2393: 2394: sub redirect_back { 2395: my ($r,$feedurl,$typestyle,$sendsomething,$sendposts,$blog,$status,$previous,$sort,$rolefilter,$statusfilter,$sectionpick,$grouppick,$numpicks,$group,$toolarge) = @_; 2396: my $sorttag = ''; 2397: my $roletag = ''; 2398: my $statustag = ''; 2399: my $sectag = ''; 2400: my $grptag = ''; 2401: my $userpicktag = ''; 2402: my $qrystr = ''; 2403: my $prevtag = ''; 2404: 2405: &Apache::loncommon::content_type($r,'text/html'); 2406: $r->send_http_header; 2407: &dewrapper(\$feedurl); 2408: if ($feedurl=~/^\/adm\//) { $feedurl.='?register=1' }; 2409: if ($previous > 0) { 2410: $qrystr = 'previous='.$previous; 2411: if ($feedurl =~ /\?register=1/) { 2412: $feedurl .= '&'.$qrystr; 2413: } else { 2414: $feedurl .= '?'.$qrystr; 2415: } 2416: $prevtag = '<input type="hidden" name="previous" value="'.$previous.'" />'; 2417: } 2418: if (defined($sort)) { 2419: my $sortqry = 'sortposts='.$sort; 2420: if (($feedurl =~ /\?register=1/) || ($feedurl =~ /\?previous=/)) { 2421: $feedurl .= '&'.$sortqry; 2422: } else { 2423: $feedurl .= '?'.$sortqry; 2424: } 2425: $sorttag = '<input type="hidden" name="sortposts" value="'.$sort.'" />'; 2426: if (defined($numpicks)) { 2427: my $userpickqry = 'totposters='.$numpicks; 2428: $feedurl .= '&'.$userpickqry; 2429: $userpicktag = '<input type="hidden" name="totposters" value="'.$numpicks.'" />'; 2430: } else { 2431: if (ref($sectionpick) eq 'ARRAY') { 2432: $feedurl .= '&sectionpick='; 2433: $sectag .= '<input type="hidden" name="sectionpick" value="'; 2434: foreach my $sec (@{$sectionpick}) { 2435: $feedurl .= $sec.','; 2436: $sectag .= $sec.','; 2437: } 2438: $feedurl =~ s/,$//; 2439: $sectag =~ s/,$//; 2440: $sectag .= '" />'; 2441: } else { 2442: $feedurl .= '&sectionpick='.$sectionpick; 2443: $sectag = '<input type="hidden" name="sectionpick" value="'.$sectionpick.'" />'; 2444: } 2445: if (ref($grouppick) eq 'ARRAY') { 2446: $feedurl .= '&grouppick='; 2447: $sectag .= '<input type="hidden" name="grouppick" value="'; 2448: foreach my $grp (@{$grouppick}) { 2449: $feedurl .= $grp.','; 2450: $grptag .= $grp.','; 2451: } 2452: $feedurl =~ s/,$//; 2453: $grptag =~ s/,$//; 2454: $grptag .= '" />'; 2455: } else { 2456: $feedurl .= '&grouppick='.$grouppick; 2457: $grptag = '<input type="hidden" name="grouppick" value="'.$grouppick.'" />'; 2458: } 2459: if (ref($rolefilter) eq 'ARRAY') { 2460: $feedurl .= '&rolefilter='; 2461: $roletag .= '<input type="hidden" name="rolefilter" value="'; 2462: foreach my $role (@{$rolefilter}) { 2463: $feedurl .= $role.','; 2464: $roletag .= $role.','; 2465: } 2466: $feedurl =~ s/,$//; 2467: $roletag =~ s/,$//; 2468: $roletag .= '" />'; 2469: } else { 2470: $feedurl .= '&rolefilter='.$rolefilter; 2471: $roletag = '<input type="hidden" name="rolefilter" value="'.$rolefilter.'" />'; 2472: } 2473: $feedurl .= '&statusfilter='.$statusfilter; 2474: $statustag ='<input type="hidden" name="statusfilter" value="'.$statusfilter.'" />'; 2475: } 2476: } 2477: my $grouptag; 2478: if ($group ne '') { 2479: $grouptag = '<input type="hidden" name="group" value="'.$group.'" />'; 2480: my $refarg; 2481: if (exists($env{'form.ref'})) { 2482: $refarg = '&ref='.$env{'form.ref'}; 2483: $grouptag .= '<input type="hidden" name="ref" value="'.$env{'form.ref'}.'" />'; 2484: } 2485: if ($feedurl =~ /\?/) { 2486: $feedurl .= '&group='.$group.$refarg; 2487: } else { 2488: $feedurl .= '?group='.$group.$refarg; 2489: } 2490: } 2491: &Apache::lonenc::check_encrypt(\$feedurl); 2492: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2493: my %onload; 2494: if ($env{'environment.remote'} ne 'off') { 2495: $onload{'onload'} = 2496: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 2497: } 2498: my $start_page= 2499: &Apache::loncommon::start_page('Feedback sent',undef, 2500: {'redirect' => [0,$feedurl], 2501: 'only_body' => 1, 2502: 'add_entries' => \%onload}); 2503: my $end_page = &Apache::loncommon::end_page(); 2504: $r->print(<<ENDREDIR); 2505: $start_page 2506: <img align="right" src="$logo" /> 2507: $typestyle 2508: <b>Sent $sendsomething message(s), and $sendposts post(s).</b> 2509: $blog 2510: $toolarge 2511: <font color="red">$status</font> 2512: <form name="reldt" action="$feedurl" target="loncapaclient"> 2513: $prevtag 2514: $sorttag 2515: $statustag 2516: $roletag 2517: $sectag 2518: $grptag 2519: $userpicktag 2520: $grouptag 2521: </form> 2522: $end_page 2523: ENDREDIR 2524: } 2525: 2526: sub no_redirect_back { 2527: my ($r,$feedurl) = @_; 2528: my $nofeed=&mt('Sorry, no feedback possible on this resource ...'); 2529: 2530: my %onload; 2531: if ($env{'environment.remote'} ne 'off') { 2532: $onload{'onload'} = 2533: "if (window.name!='loncapaclient') { self.window.close(); }"; 2534: } 2535: 2536: my %body_options = ('only_body' => 1, 2537: 'bgcolor' => '#FFFFFF', 2538: 'add_entries' => \%onload,); 2539: 2540: if ($feedurl !~ m{^/adm/feedback}) { 2541: $body_options{'rediect'} = [2,$feedurl]; 2542: } 2543: my $start_page= 2544: &Apache::loncommon::start_page('Feedback not sent',undef, 2545: \%body_options); 2546: 2547: my $end_page = &Apache::loncommon::end_page(); 2548: 2549: &Apache::lonenc::check_encrypt(\$feedurl); 2550: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 2551: $r->print (<<ENDNOREDIRTWO); 2552: $start_page 2553: <img align="right" src="$logo" /> 2554: <b>$nofeed</b> 2555: <br /> 2556: $end_page 2557: ENDNOREDIRTWO 2558: } 2559: 2560: sub screen_header { 2561: my ($feedurl,$symb) = @_; 2562: my $msgoptions=''; 2563: my $discussoptions=''; 2564: unless (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 2565: if (($feedurl=~/^\/res\//) && ($feedurl!~/^\/res\/adm/) && ($env{'user.adv'})) { 2566: $msgoptions= 2567: '<p><label><input type="radio" name="discuss" value="author" /> '. 2568: &mt('Feedback to resource author').'</label></p>'; 2569: } 2570: my %optionhash=(); 2571: foreach my $type ('question','comment','policy') { 2572: $optionhash{$type}=$env{'course.'.$env{'request.course.id'}.'.'.$type.'.email.text'}; 2573: } 2574: if (&feedback_available(1)) { 2575: $msgoptions.= 2576: '<p><label><input type="radio" name="discuss" value="question" /> '. 2577: ($optionhash{'question'}?$optionhash{'question'}:&mt('Question about resource content')).'</label></p>'; 2578: } 2579: if (&feedback_available(0,1)) { 2580: $msgoptions.= 2581: '<p><label><input type="radio" name="discuss" value="course" /> '. 2582: ($optionhash{'comment'}?$optionhash{'comment'}:&mt('Question/Comment/Feedback about course content')). 2583: '</label></p>'; 2584: } 2585: if (&feedback_available(0,0,1)) { 2586: $msgoptions.= 2587: '<p><label><input type="radio" name="discuss" value="policy" /> '. 2588: ($optionhash{'policy'}?$optionhash{'policy'}:&mt('Question/Comment/Feedback about course policy')). 2589: '</label></p>'; 2590: } 2591: } 2592: if (($env{'request.course.id'}) && (!$env{'form.sendmessageonly'})) { 2593: my ($blocked,$blocktext) = &Apache::loncommon::blocking_status('boards'); 2594: if (!$blocked && &discussion_open(undef,$symb) && 2595: &Apache::lonnet::allowed('pch', 2596: $env{'request.course.id'}. 2597: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2598: $discussoptions='<label><input type="radio" name="discuss" value="nonanon" checked="checked" /> '. 2599: &mt('Contribution to course discussion of resource'); 2600: $discussoptions.='</label><br /><label><input type="radio" name="discuss" value="anon" /> '. 2601: &mt('Anonymous contribution to course discussion of resource'). 2602: ' <i>('.&mt('name only visible to course faculty').')</i></label> '. 2603: '<a href="/adm/preferences?action=changescreenname">'.&mt('Change Screenname').'</a>'; 2604: my $blockblog = &Apache::loncommon::blocking_status('blogs'); 2605: if (!$blockblog) { 2606: $discussoptions.= &add_blog_checkbox(); 2607: } 2608: } 2609: } 2610: if ($msgoptions) { 2611: $msgoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/res/adm/pages/com.png').'" />' 2612: .' '.&mt('Send Feedback').'</h2>' 2613: .$msgoptions; 2614: } 2615: if ($discussoptions) { 2616: $discussoptions='<h2><img src="'.&Apache::loncommon::lonhttpdurl('/adm/lonMisc/chat.gif').'" />' 2617: .' '.&mt('Discussion Contributions').'</h2>' 2618: .$discussoptions; 2619: } 2620: return $msgoptions.$discussoptions; 2621: } 2622: 2623: sub resource_output { 2624: my ($feedurl) = @_; 2625: my $usersaw=&Apache::lonnet::ssi_body($feedurl); 2626: $usersaw=~s/\<body[^\>]*\>//gi; 2627: $usersaw=~s/\<\/body\>//gi; 2628: $usersaw=~s/\<html\>//gi; 2629: $usersaw=~s/\<\/html\>//gi; 2630: $usersaw=~s/\<head\>//gi; 2631: $usersaw=~s/\<\/head\>//gi; 2632: $usersaw=~s/action\s*\=/would_be_action\=/gi; 2633: return $usersaw; 2634: } 2635: 2636: sub clear_out_html { 2637: my ($message,$override,$ignore_htmlarea)=@_; 2638: if (!$ignore_htmlarea 2639: && !&Apache::lonhtmlcommon::htmlareablocked()) { return $message; } 2640: # Always allow the <m>-tag 2641: my %html=(M=>1); 2642: # Check if more is allowed 2643: my $cid=$env{'request.course.id'}; 2644: if (($env{"course.$cid.allow_limited_html_in_feedback"} =~ m/yes/i) || 2645: ($override)) { 2646: # allows <B> <I> <P> <A> <LI> <OL> <UL> <EM> <BR> <TT> <STRONG> 2647: # <BLOCKQUOTE> <DIV .*> <DIV> <IMG> <M> <SPAN> <H1> <H2> <H3> <H4> <SUB> 2648: # <SUP> 2649: %html=(B=>1, I=>1, P=>1, A=>1, LI=>1, OL=>1, UL=>1, EM=>1, 2650: BR=>1, TT=>1, STRONG=>1, BLOCKQUOTE=>1, DIV=>1, IMG=>1, 2651: M=>1, ALGEBRA=>1, SUB=>1, SUP=>1, SPAN=>1, 2652: H1=>1, H2=>1, H3=>1, H4=>1, H5=>1); 2653: } 2654: # Do the substitution of everything that is not explicitly allowed 2655: $message =~ s/\<(\/?\s*(\w+)[^\>\<]*)/ 2656: {($html{uc($2)}&&(length($1)<1000))?"\<$1":"\<$1"}/ge; 2657: $message =~ s/(\<?\s*(\w+)[^\<\>]*)\>/ 2658: {($html{uc($2)}&&(length($1)<1000))?"$1\>":"$1\>"}/ge; 2659: return $message; 2660: } 2661: 2662: sub assemble_email { 2663: my ($message,$prevattempts,$usersaw,$useranswer)=@_; 2664: my %lt = &Apache::lonlocal::texthash( 2665: 'prev' => 'Previous attempts of student (if applicable)', 2666: 'orig' => 'Original screen output (if applicable)', 2667: 'corr' => 'Correct Answer(s) (if applicable)', 2668: ); 2669: my $email=<<"ENDEMAIL"; 2670: $message 2671: ENDEMAIL 2672: my $citations=<<"ENDCITE"; 2673: <h2>$lt{'prev'}</h2> 2674: $prevattempts 2675: <br /><hr /> 2676: <h2>$lt{'orig'}</h2> 2677: $usersaw 2678: <h2>$lt{'corr'}</h2> 2679: $useranswer 2680: ENDCITE 2681: return ($email,$citations); 2682: } 2683: 2684: 2685: sub feedback_available { 2686: my ($question,$course,$policy)=@_; 2687: my ($typestyle,%to)=&Apache::lonmsg::decide_receiver('',0,$question, 2688: $course,$policy); 2689: return scalar(%to); 2690: } 2691: 2692: sub send_msg { 2693: my ($title,$feedurl,$email,$citations,$attachmenturl,$symb,%to)=@_; 2694: my $status=''; 2695: my $sendsomething=0; 2696: my $restitle = &get_resource_title($symb,$feedurl); 2697: if ($title=~/^Error/) { $title=&mt('Feedback').': '.$title; } 2698: unless ($title=~/\w/) { $title=&mt('Feedback'); } 2699: foreach my $key (keys(%to)) { 2700: if ($key) { 2701: my ($user,$domain) = split(/\:/,$key,2); 2702: if (!defined($user)) { 2703: $status.='<br />'.&mt('Error sending message to [_1], no user specified.',$key); 2704: } elsif (!defined($domain)) { 2705: $status.='<br />'.&mt('Error sending message to [_1], no domain specified.',$key); 2706: } else { 2707: unless (&Apache::lonmsg::user_normal_msg($user,$domain, 2708: $title.' ['.$restitle.']',$email,$citations,$feedurl, 2709: $attachmenturl,undef,undef,$symb,$restitle)=~/ok/) { 2710: $status.='<br />'.&mt('Error sending message to').' '.$key.'<br />'; 2711: } else { 2712: $sendsomething++; 2713: } 2714: } 2715: } 2716: } 2717: 2718: 2719: my %record=&Apache::lonnet::restore('_feedback'); 2720: my ($temp)=keys(%record); 2721: unless ($temp=~/^error\:/) { 2722: my %newrecord=(); 2723: $newrecord{'resource'}=$feedurl; 2724: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2725: unless (&Apache::lonnet::cstore(\%newrecord,'_feedback') eq 'ok') { 2726: $status.='<br />'.&mt('Not registered').'<br />'; 2727: } 2728: } 2729: 2730: return ($status,$sendsomething); 2731: } 2732: 2733: sub adddiscuss { 2734: my ($symb,$email,$anon,$attachmenturl,$subject)=@_; 2735: my $status=''; 2736: my $realsymb; 2737: if ($symb=~/^bulletin___/) { 2738: my $filename=(&Apache::lonnet::decode_symb($symb))[2]; 2739: $filename=~s|^adm/wrapper/||; 2740: $realsymb=&Apache::lonnet::symbread($filename); 2741: } 2742: if (&discussion_open(undef,$realsymb) && 2743: &Apache::lonnet::allowed('pch',$env{'request.course.id'}. 2744: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''))) { 2745: 2746: my %contrib=('message' => $email, 2747: 'sendername' => $env{'user.name'}, 2748: 'senderdomain' => $env{'user.domain'}, 2749: 'screenname' => $env{'environment.screenname'}, 2750: 'plainname' => $env{'environment.firstname'}.' '. 2751: $env{'environment.middlename'}.' '. 2752: $env{'environment.lastname'}.' '. 2753: $env{'enrironment.generation'}, 2754: 'attachmenturl'=> $attachmenturl, 2755: 'subject' => $subject); 2756: if ($env{'form.replydisc'}) { 2757: $contrib{'replyto'}=(split(/\:\:\:/,$env{'form.replydisc'}))[1]; 2758: } 2759: if ($anon) { 2760: $contrib{'anonymous'}='true'; 2761: } 2762: if (($symb) && ($email)) { 2763: my $now = time; 2764: if ($env{'form.editdisc'}) { 2765: $contrib{'ip'}=$ENV{'REMOTE_ADDR'}; 2766: $contrib{'host'}=$Apache::lonnet::perlvar{'lonHostID'}; 2767: $contrib{'timestamp'} = $now; 2768: $contrib{'history'} = ''; 2769: my $numoldver = 0; 2770: my ($oldsymb,$oldidx)=split(/\:\:\:/,$env{'form.editdisc'}); 2771: &Apache::lonenc::check_decrypt(\$oldsymb); 2772: $oldsymb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 2773: # get timestamp for last post and history 2774: my %oldcontrib=&Apache::lonnet::restore($oldsymb,$env{'request.course.id'}, 2775: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2776: $env{'course.'.$env{'request.course.id'}.'.num'}); 2777: if (defined($oldcontrib{$oldidx.':replyto'})) { 2778: $contrib{'replyto'} = $oldcontrib{$oldidx.':replyto'}; 2779: } 2780: if (defined($oldcontrib{$oldidx.':history'})) { 2781: if ($oldcontrib{$oldidx.':history'} =~ /:/) { 2782: my @oldversions = split(/:/,$oldcontrib{$oldidx.':history'}); 2783: $numoldver = @oldversions; 2784: } else { 2785: $numoldver = 1; 2786: } 2787: $contrib{'history'} = $oldcontrib{$oldidx.':history'}.':'; 2788: } 2789: my $numnewver = $numoldver + 1; 2790: if (defined($oldcontrib{$oldidx.':subject'})) { 2791: if ($oldcontrib{$oldidx.':subject'} =~ /^<version num="0">/) { 2792: $contrib{'subject'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2793: $contrib{'subject'} = $oldcontrib{$oldidx.':subject'}.$contrib{'subject'}; 2794: } else { 2795: $contrib{'subject'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':subject'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'subject'},'<>&"').'</version>'; 2796: } 2797: } 2798: if (defined($oldcontrib{$oldidx.':message'})) { 2799: if ($oldcontrib{$oldidx.':message'} =~ /^<version num="0">/) { 2800: $contrib{'message'} = '<version num="'.$numnewver.'">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2801: $contrib{'message'} = $oldcontrib{$oldidx.':message'}.$contrib{'message'}; 2802: } else { 2803: $contrib{'message'} = '<version num="0">'.&HTML::Entities::encode($oldcontrib{$oldidx.':message'},'<>&"').'</version><version num="1">'.&HTML::Entities::encode($contrib{'message'},'<>&"').'</version>'; 2804: } 2805: } 2806: $contrib{'history'} .= $oldcontrib{$oldidx.':timestamp'}; 2807: my $put_reply = &Apache::lonnet::putstore($env{'request.course.id'}, 2808: $oldsymb,$oldidx,\%contrib, 2809: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2810: $env{'course.'.$env{'request.course.id'}.'.num'}); 2811: $status='Editing class discussion'.($anon?' (anonymous)':''); 2812: } else { 2813: $status='Adding to class discussion'.($anon?' (anonymous)':'').': '. 2814: &Apache::lonnet::store(\%contrib,$symb,$env{'request.course.id'}, 2815: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2816: $env{'course.'.$env{'request.course.id'}.'.num'}); 2817: } 2818: my %storenewentry=($symb => $now); 2819: $status.='<br />'.&mt('Updating discussion time').': '. 2820: &Apache::lonnet::put('discussiontimes',\%storenewentry, 2821: $env{'course.'.$env{'request.course.id'}.'.domain'}, 2822: $env{'course.'.$env{'request.course.id'}.'.num'}); 2823: } 2824: my %record=&Apache::lonnet::restore('_discussion'); 2825: my ($temp)=keys(%record); 2826: unless ($temp=~/^error\:/) { 2827: my %newrecord=(); 2828: $newrecord{'resource'}=$symb; 2829: $newrecord{'subnumber'}=$record{'subnumber'}+1; 2830: $status.='<br />'.&mt('Registering').': '. 2831: &Apache::lonnet::cstore(\%newrecord,'_discussion'); 2832: } 2833: } else { 2834: $status.='Failed.'; 2835: } 2836: return $status.'<br />'; 2837: } 2838: 2839: sub get_discussion_info { 2840: my ($idx,%contrib) = @_; 2841: my $changelast = 0; 2842: my $count = 0; 2843: my $hiddenflag = 0; 2844: my $deletedflag = 0; 2845: my ($hidden,$deleted,%info,$newlastdisc); 2846: my $version = $contrib{'version'}; 2847: if ($version) { 2848: for (my $id=$version; $id>0; $id--) { 2849: my $vkeys=$contrib{$id.':keys'}; 2850: my @keys=split(/:/,$vkeys); 2851: if (grep(/^hidden$/,@keys)) { 2852: if (!$hiddenflag) { 2853: $hidden = $contrib{$id.':hidden'}; 2854: $hiddenflag = 1; 2855: } 2856: } elsif (grep(/^deleted$/,@keys)) { 2857: if (!$deletedflag) { 2858: $deleted = $contrib{$id.':deleted'}; 2859: $deletedflag = 1; 2860: } 2861: } else { 2862: if (($hidden !~/\.$id\./) && ($deleted !~/\.$id\./)) { 2863: $count++; 2864: $info{$count}{'id'} = $id; 2865: $info{$count}{'timestamp'}=$contrib{$id.':timestamp'}; 2866: } 2867: } 2868: } 2869: if ($info{'1'}{'id'} == $idx) { 2870: $changelast = 1; 2871: if ($count > 1) { 2872: $newlastdisc = $info{'2'}{'timestamp'}; 2873: } else { 2874: $newlastdisc = 0; 2875: } 2876: } 2877: } 2878: return ($changelast,$newlastdisc); 2879: } 2880: 2881: # ----------------------------------------------------------- Preview function 2882: 2883: sub show_preview { 2884: my ($r) = @_; 2885: &Apache::loncommon::content_type($r,'text/html'); 2886: $r->send_http_header; 2887: my $start_page= 2888: &Apache::loncommon::start_page('Preview',undef, 2889: {'only_body' => 1,}); 2890: 2891: my $message=&clear_out_html($env{'form.comment'}); 2892: &newline_to_br(\$message); 2893: $message=&Apache::lonspeller::markeduptext($message); 2894: $message=&Apache::lontexconvert::msgtexconverted($message); 2895: my $subject=&clear_out_html($env{'form.subject'},undef,1); 2896: $subject=~s/\n/\<br \/\>/g; 2897: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2898: 2899: my $end_page = &Apache::loncommon::end_page(); 2900: 2901: $r->print($start_page 2902: .'<h1>'.&mt('Preview').'</h1>' 2903: .&Apache::lonhtmlcommon::start_pick_box() 2904: .&Apache::lonhtmlcommon::row_title(&mt('Subject')) 2905: .$subject 2906: .&Apache::lonhtmlcommon::row_closure() 2907: .&Apache::lonhtmlcommon::row_title(&mt('Message')) 2908: .$message 2909: .&Apache::lonhtmlcommon::row_closure(1) 2910: .&Apache::lonhtmlcommon::end_pick_box() 2911: .$end_page 2912: ); 2913: } 2914: 2915: 2916: sub newline_to_br { 2917: my ($message)=@_; 2918: my $newmessage; 2919: my $parser=HTML::LCParser->new($message); 2920: while (my $token=$parser->get_token()) { 2921: if ($token->[0] eq 'T') { 2922: my $text=$token->[1]; 2923: $text=~s/\n/\<br \/\>/g; 2924: $newmessage.=$text; 2925: } elsif ($token->[0] eq 'D' || $token->[0] eq 'C') { 2926: $newmessage.=$token->[1]; 2927: } elsif ($token->[0] eq 'PI' || $token->[0] eq 'E') { 2928: $newmessage.=$token->[2]; 2929: } elsif ($token->[0] eq 'S') { 2930: $newmessage.=$token->[4]; 2931: } 2932: 2933: } 2934: $$message=$newmessage; 2935: } 2936: 2937: sub generate_preview_button { 2938: my ($formname,$fieldname)=@_; 2939: unless ($formname) { $formname='mailform'; } 2940: unless ($fieldname) { $fieldname='comment'; } 2941: my $pre=&mt("Show Preview and Check Spelling"); 2942: return(<<ENDPREVIEW); 2943: <br /> 2944: <form name="preview" action="/adm/feedback?preview=1" method="post" target="preview"> 2945: <input type="hidden" name="subject" /> 2946: <input type="hidden" name="comment" /> 2947: <input type="button" value="$pre" 2948: onClick="if (typeof(document.$formname.onsubmit)=='function') {document.$formname.onsubmit();};this.form.comment.value=document.$formname.$fieldname.value;this.form.subject.value=document.$formname.subject.value;this.form.submit();" /> 2949: </form> 2950: ENDPREVIEW 2951: } 2952: 2953: sub modify_attachments { 2954: my ($r,$currnewattach,$currdelold,$symb,$idx,$attachmenturls, 2955: $attachmaxtext,$toolarge)=@_; 2956: 2957: my %lt = &Apache::lonlocal::texthash( 2958: 'subj' => 'Subject', 2959: 'thfo' => 'The following attachments were part of the most recent saved version of this posting.', 2960: 'chth' => 'Check the checkboxes for any you wish to remove.', 2961: 'thef' => 'The following attachments have been uploaded for inclusion with this posting.', 2962: 'adda' => 'Add a new attachment to this post.', 2963: 'stch' => 'Save Changes', 2964: ); 2965: my $js = <<END; 2966: <script type="text/javascript"> 2967: function setAction () { 2968: document.modattachments.action = document.modattachments.origpage.value; 2969: document.modattachments.submit(); 2970: } 2971: </script> 2972: END 2973: 2974: my $start_page = 2975: &Apache::loncommon::start_page('Discussion Post Attachments',$js); 2976: 2977: my $orig_subject = &unescape($env{'form.subject'}); 2978: my $subject=&clear_out_html($orig_subject,undef,1); 2979: $subject=~s/\n/\<br \/\>/g; 2980: $subject=&Apache::lontexconvert::msgtexconverted($subject); 2981: my $timestamp=$env{'form.timestamp'}; 2982: my $numoldver=$env{'form.numoldver'}; 2983: 2984: my $msg = ''; 2985: my %attachments = (); 2986: my %currattach = (); 2987: if ($idx) { 2988: &extract_attachments($attachmenturls,$idx,$numoldver,\$msg,\%attachments,\%currattach,$currdelold); 2989: } 2990: &Apache::lonenc::check_encrypt(\$symb); 2991: 2992: my $end_page = 2993: &Apache::loncommon::end_page(); 2994: 2995: $r->print(<<END); 2996: $start_page 2997: $toolarge 2998: <form name="modattachments" method="post" enctype="multipart/form-data" action="/adm/feedback?attach=$symb"> 2999: <br /> 3000: <table class="LC_data_table"> 3001: <tr> 3002: <td colspan="2"> 3003: <b>Subject:</b> $subject</b><br /><br /> 3004: END 3005: if ($idx) { 3006: if ($attachmenturls) { 3007: my @currold = keys(%currattach); 3008: if (@currold > 0) { 3009: $r->print($lt{'thfo'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3010: foreach my $id (@currold) { 3011: my $attachurl = &HTML::Entities::decode($attachments{$id}{'filename'}); 3012: $attachurl =~ m#/([^/]+)$#; 3013: $r->print('<label><input type="checkbox" name="deloldattach" value="'.$id.'" /> '.$1.'</label><br />'."\n"); 3014: } 3015: $r->print("<br />"); 3016: } 3017: } 3018: } 3019: if ((ref($currnewattach) eq 'ARRAY') && (@{$currnewattach} > 0)) { 3020: $r->print($lt{'thef'}.'<br />'.$lt{'chth'}.'<br />'."\n"); 3021: foreach my $attach (@{$currnewattach}) { 3022: $attach =~ m#/([^/]+)$#; 3023: $r->print('<label><input type="checkbox" name="delnewattach" value="'.$attach.'" /> '.$1.'</label><br />'."\n"); 3024: } 3025: $r->print("<br />"); 3026: } 3027: $r->print(<<END); 3028: </td></tr> 3029: <tr> 3030: <td> 3031: $lt{'adda'}</td><td><input type="file" name="addnewattach" /><input type="button" name="upload" value="Upload" onClick="this.form.submit()" /> 3032: </td> 3033: </tr> 3034: <tr> 3035: <td colspan="2">$attachmaxtext</td> 3036: </tr> 3037: </table> 3038: <input type="hidden" name="subject" value="$env{'form.subject'}" /> 3039: <input type="hidden" name="comment" value="$env{'form.comment'}" /> 3040: <input type="hidden" name="timestamp" value="$env{'form.timestamp'}" /> 3041: <input type="hidden" name="idx" value="$env{'form.idx'}" /> 3042: <input type="hidden" name="numoldver" value="$env{'form.numoldver'}" /> 3043: <input type="hidden" name="origpage" value="$env{'form.origpage'}" /> 3044: <input type="hidden" name="blog" value="$env{'form.blog'}" /> 3045: <input type="hidden" name="discuss" value="$env{'form.discuss'}" /> 3046: END 3047: foreach my $item (@{$currnewattach}) { 3048: $r->print('<input type="hidden" name="currnewattach" value="'.$item.'" />'."\n"); 3049: } 3050: foreach my $item (@{$currdelold}) { 3051: $r->print('<input type="hidden" name="deloldattach" value="'.$item.'" />'."\n"); 3052: } 3053: $r->print(<<END); 3054: <input type="button" name="rtntoedit" value="$lt{'stch'}" onClick="setAction()" /> 3055: </form> 3056: $end_page 3057: END 3058: return; 3059: } 3060: 3061: sub process_attachments { 3062: my ($currnewattach,$currdelold,$keepold) = @_; 3063: 3064: @{$currnewattach}= 3065: &Apache::loncommon::get_env_multiple('form.currnewattach'); 3066: @{$currdelold}= 3067: &Apache::loncommon::get_env_multiple('form.deloldattach'); 3068: if (exists($env{'form.delnewattach'})) { 3069: my @currdelnew = 3070: &Apache::loncommon::get_env_multiple('form.delnewattach'); 3071: my @currnew = (); 3072: foreach my $newone (@{$currnewattach}) { 3073: my $delflag = 0; 3074: foreach my $item (@currdelnew) { 3075: if ($newone eq $item) { 3076: $delflag = 1; 3077: last; 3078: } 3079: } 3080: unless ($delflag) { 3081: push(@currnew, $newone); 3082: } 3083: } 3084: @{$currnewattach} = @currnew; 3085: } 3086: @{$keepold} = &Apache::loncommon::get_env_multiple('form.keepold'); 3087: } 3088: 3089: sub generate_attachments_button { 3090: my ($idx,$attachnum,$ressymb,$now,$currnewattach,$deloldattach, 3091: $numoldver,$mode,$blockblog) = @_; 3092: my $origpage = $ENV{'REQUEST_URI'}; 3093: my $att=$attachnum.' '.&mt("attachments"); 3094: my %lt = &Apache::lonlocal::texthash( 3095: 'clic' => 'Click to add/remove attachments', 3096: ); 3097: my $response = (<<END); 3098: <br /> 3099: <form name="attachment" action="/adm/feedback?attach=$ressymb" method="post"> 3100: $lt{'clic'}: <input type="button" value="$att" 3101: 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); 3102: END 3103: if (!$blockblog) { 3104: $response .= 'setblogvalue();'; 3105: } 3106: unless ($mode eq 'board') { 3107: $response .= 'javascript:anonchk();'; 3108: } 3109: $response .= (<<ENDATTACH); 3110: this.form.submit();" /> 3111: <input type="hidden" name="origpage" value="$origpage" /> 3112: <input type="hidden" name="idx" value="$idx" /> 3113: <input type="hidden" name="timestamp" value="$now" /> 3114: <input type="hidden" name="subject" /> 3115: <input type="hidden" name="comment" /> 3116: <input type="hidden" name="blog" value="0" /> 3117: <input type="hidden" name="discuss" value="0" /> 3118: <input type="hidden" name="numoldver" value="$numoldver" /> 3119: ENDATTACH 3120: if (defined($deloldattach)) { 3121: if (@{$deloldattach} > 0) { 3122: foreach my $delatt (@{$deloldattach}) { 3123: $response .= '<input type="hidden" name="deloldattach" value="'.$delatt.'" />'."\n"; 3124: } 3125: } 3126: } 3127: if (defined($currnewattach)) { 3128: if (@{$currnewattach} > 0) { 3129: foreach my $attach (@{$currnewattach}) { 3130: $response .= '<input type="hidden" name="currnewattach" value="'.$attach.'" />'."\n"; 3131: } 3132: } 3133: } 3134: $response .= '</form>'; 3135: return $response; 3136: } 3137: 3138: sub extract_attachments { 3139: my ($attachmenturls,$idx,$numoldver,$message,$attachments,$currattach,$currdelold) = @_; 3140: %{$attachments}=(); 3141: &get_post_attachments($attachments,$attachmenturls); 3142: foreach my $id (sort(keys(%{$attachments}))) { 3143: if (exists($$attachments{$id}{$numoldver})) { 3144: if (defined($currdelold)) { 3145: if (@{$currdelold} > 0) { 3146: unless (grep/^$id$/,@{$currdelold}) { 3147: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3148: } 3149: } else { 3150: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3151: } 3152: } else { 3153: $$currattach{$id} = $$attachments{$id}{$numoldver}; 3154: } 3155: } 3156: } 3157: my @attached = (sort { $a <=> $b } keys(%{$currattach})); 3158: if (@attached == 1) { 3159: my $id = $attached[0]; 3160: my $attachurl; 3161: if ($attachmenturls =~ m/^<attachment id="0">/) { 3162: $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3163: } else { 3164: $attachurl = $$attachments{$id}{'filename'}; 3165: } 3166: $attachurl=~m|/([^/]+)$|; 3167: $$message.='<br /><a href="'.$attachurl.'"><tt>'. 3168: $1.'</tt></a><br />'; 3169: &Apache::lonnet::allowuploaded('/adm/feedback', 3170: $attachurl); 3171: } elsif (@attached > 1) { 3172: $$message.='<ol>'; 3173: foreach my $attach (@attached) { 3174: my $id = $attach; 3175: my $attachurl = &HTML::Entities::decode($$attachments{$id}{'filename'}); 3176: my ($fname) 3177: =($attachurl=~m|/([^/]+)$|); 3178: $$message .= '<li><a href="'.$attachurl. 3179: '"><tt>'. 3180: $fname.'</tt></a></li>'; 3181: &Apache::lonnet::allowuploaded('/adm/feedback', 3182: $attachurl); 3183: } 3184: $$message .= '</ol>'; 3185: } 3186: } 3187: 3188: sub construct_attachmenturl { 3189: my ($currnewattach,$keepold,$symb,$idx)=@_; 3190: my $oldattachmenturl; 3191: my $newattachmenturl; 3192: my $startnum = 0; 3193: my $currver = 0; 3194: if (($env{'form.editdisc'}) && ($idx)) { 3195: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3196: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3197: $env{'course.'.$env{'request.course.id'}.'.num'}); 3198: $oldattachmenturl = $contrib{$idx.':attachmenturl'}; 3199: if ($contrib{$idx.':history'}) { 3200: if ($contrib{$idx.':history'} =~ /:/) { 3201: my @oldversions = split(/:/,$contrib{$idx.':history'}); 3202: $currver = 1 + scalar(@oldversions); 3203: } else { 3204: $currver = 2; 3205: } 3206: } else { 3207: $currver = 1; 3208: } 3209: if ($oldattachmenturl) { 3210: if ($oldattachmenturl =~ m/^<attachment id="0">/) { 3211: my %attachments = (); 3212: my $prevver = $currver-1; 3213: &get_post_attachments(\%attachments,$oldattachmenturl); 3214: my $numattach = scalar(keys(%attachments)); 3215: $startnum += $numattach; 3216: foreach my $num (sort {$a <=> $b} keys(%attachments)) { 3217: $newattachmenturl .= '<attachment id="'.$num.'"><filename>'.$attachments{$num}{'filename'}.'</filename>'; 3218: foreach my $item (sort {$a <=> $b} keys(%{$attachments{$num}})) { 3219: unless ($item eq 'filename') { 3220: $newattachmenturl .= '<post id="'.$item.'">'.$attachments{$num}{$item}.'</post>'; 3221: } 3222: } 3223: if (grep/^$num$/,@{$keepold}) { 3224: $newattachmenturl .= '<post id="'.$currver.'">'.$attachments{$num}{$prevver}.'</post>'; 3225: } 3226: $newattachmenturl .= '</attachment>'; 3227: } 3228: } else { 3229: $newattachmenturl = '<attachment id="0"><filename>'.&HTML::Entities::encode($oldattachmenturl).'</filename><post id="0">n</post>'; 3230: unless (grep/^0$/,@{$keepold}) { 3231: $newattachmenturl .= '<post id="1">n</post>'; 3232: } 3233: $newattachmenturl .= '</attachment>'; 3234: $startnum ++; 3235: } 3236: } 3237: } 3238: for (my $i=0; $i<@{$currnewattach}; $i++) { 3239: my $attachnum = $startnum + $i; 3240: $newattachmenturl .= '<attachment id="'.$attachnum.'"><filename>'.&HTML::Entities::encode($$currnewattach[$i]).'</filename><post id="'.$currver.'">n</post></attachment>'; 3241: } 3242: return $newattachmenturl; 3243: } 3244: 3245: sub add_blog_checkbox { 3246: my ($checkstatus); 3247: if ($env{'form.blog'}) { 3248: $checkstatus = 'checked="checked"'; 3249: } 3250: my $output = ' 3251: <script type="text/javascript"> 3252: function setblogvalue() { 3253: if (document.mailform.blog.checked) { 3254: document.attachment.blog.value = 1; 3255: } else { 3256: document.attachment.blog.value = 0; 3257: } 3258: } 3259: </script><br /> 3260: <label><input type="checkbox" name="blog" '.$checkstatus.' /> '. 3261: &mt('Add to my public course blog').'</label><br />'."\n"; 3262: return $output; 3263: } 3264: 3265: sub has_discussion { 3266: my $resourcesref = shift; 3267: my $navmap = Apache::lonnavmaps::navmap->new(); 3268: if (defined($navmap)) { 3269: my @allres=$navmap->retrieveResources(); 3270: foreach my $resource (@allres) { 3271: if ($resource->hasDiscussion()) { 3272: my $ressymb = $resource->wrap_symb(); 3273: if (ref($resourcesref) eq 'ARRAY') { 3274: push(@{$resourcesref}, $ressymb); 3275: } 3276: } 3277: } 3278: } else { 3279: &Apache::lonnet::logthis('Has discussion check failed - could not create navmap object.'); 3280: } 3281: return; 3282: } 3283: 3284: sub sort_filter_names { 3285: my ($sort_types,$role_types,$status_types) = @_; 3286: %{$sort_types} = ( 3287: ascdate => 'Date order - oldest first', 3288: descdate => 'Date order - newest first', 3289: thread => 'Threaded', 3290: subject => 'By subject', 3291: username => 'By domain and username', 3292: lastfirst => 'By last name, first name' 3293: ); 3294: %{$role_types} = ( 3295: all => 'All roles', 3296: st => 'Students', 3297: cc => 'Course Coordinators', 3298: in => 'Instructors', 3299: ta => 'TAs', 3300: ep => 'Exam proctors', 3301: ad => 'Administrators', 3302: cr => 'Custom roles' 3303: ); 3304: %{$status_types} = ( 3305: all => 'Roles of any status', 3306: Active => 'Only active roles', 3307: Expired => 'Only past roles', 3308: Future => 'Only future roles', 3309: ); 3310: } 3311: 3312: sub handler { 3313: my $r = shift; 3314: if ($r->header_only) { 3315: &Apache::loncommon::content_type($r,'text/html'); 3316: $r->send_http_header; 3317: return OK; 3318: } 3319: 3320: # --------------------------- Get query string for limited number of parameters 3321: 3322: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, 3323: ['hide','unhide','deldisc','postdata','preview','replydisc','editdisc','cmd','symb','onlyunread','allposts','onlyunmark','previous','markread','markonread','markondisp','toggoff','toggon','modifydisp','changes','navtime','navmaps','navurl','sortposts','applysort','rolefilter','statusfilter','sectionpick','groupick','posterlist','userpick','attach','origpage','currnewattach','deloldattach','keepold','allversions','export','sendmessageonly','group','ref']); 3324: my $group = $env{'form.group'}; 3325: my %attachmax = ( 3326: text => &mt('(128 KB max size)'), 3327: num => 131072, 3328: ); 3329: if ($env{'form.editdisc'}) { 3330: if (!(&editing_allowed($env{'form.editdisc'},$env{'form.group'}))) { 3331: my $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3332: my ($map,$id,$url)=&Apache::lonnet::decode_symb($symb); 3333: my $feedurl=&Apache::lonnet::clutter($url); 3334: &redirect_back($r,$feedurl,&mt('Editing not permitted').'<br />', '0','0','','',$env{'form.previous'},undef,undef,undef, 3335: undef,undef,undef,$group); 3336: return OK; 3337: } 3338: } 3339: if ($env{'form.discsymb'}) { 3340: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.discsymb'}); 3341: my $readkey = $symb.'_read'; 3342: my $chgcount = 0; 3343: my %readinghash = &Apache::lonnet::get('nohist_'.$env{'request.course.id'}.'_discuss',[$readkey],$env{'user.domain'},$env{'user.name'}); 3344: foreach my $key (keys(%env)) { 3345: if ($key =~ m/^form\.postunread_(\d+)/) { 3346: if ($readinghash{$readkey} =~ /\.$1\./) { 3347: $readinghash{$readkey} =~ s/\.$1\.//; 3348: $chgcount ++; 3349: } 3350: } elsif ($key =~ m/^form\.postread_(\d+)/) { 3351: unless ($readinghash{$readkey} =~ /\.$1\./) { 3352: $readinghash{$readkey} .= '.'.$1.'.'; 3353: $chgcount ++; 3354: } 3355: } 3356: } 3357: if ($chgcount > 0) { 3358: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3359: \%readinghash,$env{'user.domain'},$env{'user.name'}); 3360: } 3361: &redirect_back($r,$feedurl,&mt('Marked postings read/unread').'<br />', 3362: '0','0','','',$env{'form.previous'},'','','', 3363: undef,undef,undef,$group); 3364: return OK; 3365: } 3366: if ($env{'form.allversions'}) { 3367: &Apache::loncommon::content_type($r,'text/html'); 3368: &Apache::loncommon::no_cache($r); 3369: $r->send_http_header; 3370: 3371: $r->print(&Apache::loncommon::start_page('Discussion Post Versions')); 3372: 3373: my $crs='/'.$env{'request.course.id'}; 3374: if ($env{'request.course.sec'}) { 3375: $crs.='_'.$env{'request.course.sec'}; 3376: } 3377: $crs=~s|_|/|g; 3378: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3379: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3380: my ($symb,$idx)=split(/\:\:\:/,$env{'form.allversions'}); 3381: ($symb)=&get_feedurl_and_clean_symb($symb); 3382: my $ressymb = &wrap_symb($symb); 3383: my $group = $env{'form.group'}; 3384: my $seeid; 3385: if (($group ne '') && (($ressymb =~ m|^bulletin___\d+___adm/wrapper/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard$|))) { 3386: if (&check_group_priv($group,'dgp') eq 'ok') { 3387: $seeid = 1; 3388: } 3389: } else { 3390: $seeid = &Apache::lonnet::allowed('rin',$crs); 3391: } 3392: if ($idx > 0) { 3393: my %messages = (); 3394: my %subjects = (); 3395: my %attachmsgs = (); 3396: my %allattachments = (); 3397: my %imsfiles = (); 3398: my ($screenname,$plainname); 3399: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3400: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3401: $env{'course.'.$env{'request.course.id'}.'.num'}); 3402: $r->print(&get_post_contents(\%contrib,$idx,$seeid,'allversions',\%messages,\%subjects,\%allattachments,\%attachmsgs,\%imsfiles,\$screenname,\$plainname)); 3403: } 3404: $r->print(&Apache::loncommon::end_page()); 3405: return OK; 3406: } 3407: if ($env{'form.posterlist'}) { 3408: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3409: &print_showposters($r,$symb,$env{'form.previous'},$feedurl, 3410: $env{'form.sortposts'}); 3411: return OK; 3412: } 3413: if ($env{'form.userpick'}) { 3414: my @posters = &Apache::loncommon::get_env_multiple('form.stuinfo'); 3415: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.userpick'}); 3416: my $numpicks = @posters; 3417: my %discinfo; 3418: $discinfo{$symb.'_userpick'} = join('&',@posters); 3419: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3420: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3421: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3422: '',$env{'form.previous'},$env{'form.sortposts'},'','','', 3423: '',$numpicks,$group); 3424: return OK; 3425: } 3426: if ($env{'form.applysort'}) { 3427: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.applysort'}); 3428: &redirect_back($r,$feedurl,&mt('Changed sort/filter').'<br />','0','0','', 3429: '',$env{'form.previous'},$env{'form.sortposts'}, 3430: $env{'form.rolefilter'},$env{'form.statusfilter'}, 3431: $env{'form.sectionpick'},$env{'form.grouppick'}, 3432: undef,$group); 3433: return OK; 3434: } elsif ($env{'form.cmd'} eq 'sortfilter') { 3435: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3436: &print_sortfilter_options($r,$symb,$env{'form.previous'},$feedurl); 3437: return OK; 3438: } elsif ($env{'form.navtime'}) { 3439: my %discinfo = (); 3440: my @resources = (); 3441: if (defined($env{'form.navmaps'})) { 3442: if ($env{'form.navmaps'} =~ /:/) { 3443: @resources = split(/:/,$env{'form.navmaps'}); 3444: } else { 3445: @resources = ("$env{'form.navmaps'}"); 3446: } 3447: } else { 3448: &has_discussion(\@resources); 3449: } 3450: my $numitems = @resources; 3451: my $feedurl = '/adm/navmaps'; 3452: if ($env{'form.navurl'}) { $feedurl .= '?'.$env{'form.navurl'}; } 3453: my %lt = &Apache::lonlocal::texthash( 3454: 'mnpa' => 'Marked "New" posts as read in a total of', 3455: 'robb' => 'resources/bulletin boards.', 3456: 'twnp' => 'There are currently no resources or discussion boards with unread discussion postings.' 3457: ); 3458: foreach my $res (@resources) { 3459: my $ressymb=$res; 3460: &Apache::lonenc::check_decrypt(\$ressymb); 3461: my $lastkey = $ressymb.'_lastread'; 3462: $discinfo{$lastkey} = $env{'form.navtime'}; 3463: } 3464: my $textline = "<b>$lt{'mnpa'} $numitems $lt{'robb'}</b>"; 3465: if ($numitems > 0) { 3466: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3467: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3468: } else { 3469: $textline = "<b>$lt{'twnp'}</b>"; 3470: } 3471: &Apache::loncommon::content_type($r,'text/html'); 3472: $r->send_http_header; 3473: my $logo=&Apache::loncommon::lonhttpdurl('/adm/lonIcons/lonlogos.gif'); 3474: my %onload; 3475: if ($env{'environment.remote'} ne 'off') { 3476: $onload{'onload'} = 3477: "if (window.name!='loncapaclient') { this.document.reldt.submit(); self.window.close(); }"; 3478: } 3479: 3480: my $start_page= 3481: &Apache::loncommon::start_page('New posts marked as read',undef, 3482: {'redirect' => [2,$feedurl], 3483: 'only_body' => 1, 3484: 'add_entries' => \%onload}); 3485: my $end_page = &Apache::loncommon::end_page(); 3486: $r->print (<<ENDREDIR); 3487: $start_page 3488: <img align="right" src="$logo" /> 3489: $textline 3490: <form name="reldt" action="$feedurl" target="loncapaclient"> 3491: </form> 3492: <br /> 3493: $end_page 3494: ENDREDIR 3495: return OK; 3496: } elsif ($env{'form.modifydisp'}) { 3497: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.modifydisp'}); 3498: my ($dispchgA,$dispchgB,$markchg,$toggchg) = 3499: split(/_/,$env{'form.changes'}); 3500: &print_display_options($r,$symb,$env{'form.previous'},$dispchgA, 3501: $dispchgB,$markchg,$toggchg,$feedurl); 3502: return OK; 3503: } elsif ($env{'form.markondisp'} || $env{'form.markonread'} || 3504: $env{'form.allposts'} || $env{'form.onlyunread'} || 3505: $env{'form.onlyunmark'} || $env{'form.toggoff'} || 3506: $env{'form.toggon'} || $env{'form.markread'}) { 3507: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3508: my %discinfo; 3509: # ------------------------ Modify setting for read/unread toggle for each post 3510: if ($env{'form.toggoff'}) { $discinfo{$symb.'_readtoggle'}=0; } 3511: if ($env{'form.toggon'}) { $discinfo{$symb.'_readtoggle'}=1; } 3512: # --------- Modify setting for identification of 'NEW' posts in this discussion 3513: if ($env{'form.markondisp'}) { 3514: $discinfo{$symb.'_lastread'} = time; 3515: $discinfo{$symb.'_markondisp'} = 1; 3516: } 3517: if ($env{'form.markonread'}) { 3518: if ( $env{'form.previous'} > 0 ) { 3519: $discinfo{$symb.'_lastread'} = $env{'form.previous'}; 3520: } 3521: $discinfo{$symb.'_markondisp'} = 0; 3522: } 3523: # --------------------------------- Modify display setting for this discussion 3524: if ($env{'form.allposts'}) { 3525: $discinfo{$symb.'_showonlyunread'} = 0; 3526: $discinfo{$symb.'_showonlyunmark'} = 0; 3527: } 3528: if ($env{'form.onlyunread'}) { $discinfo{$symb.'_showonlyunread'} = 1; } 3529: if ($env{'form.onlyunmark'}) { $discinfo{$symb.'_showonlyunmark'} = 1; } 3530: # ----------------------------------------------------- Mark new posts not NEW 3531: if ($env{'form.markread'}) { $discinfo{$symb.'_lastread'} = time; } 3532: &Apache::lonnet::put('nohist_'.$env{'request.course.id'}.'_discuss', 3533: \%discinfo,$env{'user.domain'},$env{'user.name'}); 3534: my $previous=$env{'form.previous'}; 3535: if ($env{'form.markondisp'}) { $previous=undef; } 3536: &redirect_back($r,$feedurl,&mt('Changed display status').'<br />', 3537: '0','0','','',$previous,'','','','','','',$group); 3538: return OK; 3539: } elsif (($env{'form.hide'}) || ($env{'form.unhide'})) { 3540: # ----------------------------------------------------------------- Hide/unhide 3541: my $entry=$env{'form.hide'}?$env{'form.hide'}:$env{'form.unhide'}; 3542: my ($symb,$idx)=split(/\:\:\:/,$entry); 3543: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3544: 3545: my $crs='/'.$env{'request.course.id'}; 3546: if ($env{'request.course.sec'}) { 3547: $crs.='_'.$env{'request.course.sec'}; 3548: } 3549: $crs=~s/\_/\//g; 3550: my $seeid=&Apache::lonnet::allowed('rin',$crs); 3551: 3552: if ($env{'form.hide'} && !$seeid && !(&editing_allowed($env{'form.hide'},$env{'form.group'}))) { 3553: &redirect_back($r,$feedurl,&mt('Deletion not permitted').'<br />', '0','0','','',$env{'form.previous'},'','','','', 3554: undef,undef,$group,); 3555: return OK; 3556: } 3557: 3558: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3559: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3560: $env{'course.'.$env{'request.course.id'}.'.num'}); 3561: 3562: my $currenthidden=$contrib{'hidden'}; 3563: my $currentstudenthidden=$contrib{'studenthidden'}; 3564: 3565: if ($env{'form.hide'}) { 3566: $currenthidden.='.'.$idx.'.'; 3567: unless ($seeid) { 3568: $currentstudenthidden.='.'.$idx.'.'; 3569: } 3570: } else { 3571: $currenthidden=~s/\.$idx\.//g; 3572: } 3573: my %newhash=('hidden' => $currenthidden); 3574: if ( ($env{'form.hide'}) && (!$seeid) ) { 3575: $newhash{'studenthidden'} = $currentstudenthidden; 3576: } 3577: if ($env{'form.hide'}) { 3578: my $changelast = 0; 3579: my $newlast; 3580: ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3581: if ($changelast) { 3582: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3583: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3584: $env{'course.'.$env{'request.course.id'}.'.num'}); 3585: } 3586: } 3587: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3588: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3589: $env{'course.'.$env{'request.course.id'}.'.num'}); 3590: 3591: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3592: '0','0','','',$env{'form.previous'},undef,undef,undef, 3593: undef,undef,undef,$group); 3594: return OK; 3595: } elsif ($env{'form.cmd'}=~/^(threadedoff|threadedon)$/) { 3596: my ($symb,$feedurl)=&get_feedurl_and_clean_symb($env{'form.symb'}); 3597: if ($env{'form.cmd'} eq 'threadedon') { 3598: &Apache::lonnet::put('environment',{'threadeddiscussion' => 'on'}); 3599: &Apache::lonnet::appenv({'environment.threadeddiscussion' => 'on'}); 3600: } else { 3601: &Apache::lonnet::del('environment',['threadeddiscussion']); 3602: &Apache::lonnet::delenv('environment.threadeddiscussion'); 3603: } 3604: &redirect_back($r,$feedurl,&mt('Changed discussion view mode').'<br />', 3605: '0','0','','',$env{'form.previous'},undef,undef,undef, 3606: undef,undef,undef,$group); 3607: return OK; 3608: } elsif ($env{'form.deldisc'}) { 3609: # --------------------------------------------------------------- Hide for good 3610: my ($symb,$idx)=split(/\:\:\:/,$env{'form.deldisc'}); 3611: ($symb,my $feedurl)=&get_feedurl_and_clean_symb($symb); 3612: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3613: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3614: $env{'course.'.$env{'request.course.id'}.'.num'}); 3615: my ($changelast,$newlast) = &get_discussion_info($idx,%contrib); 3616: if ($changelast) { 3617: &Apache::lonnet::put('discussiontimes',{$symb => $newlast}, 3618: $env{'course.'.$env{'request.course.id'}.'.domain'}, $env{'course.'.$env{'request.course.id'}.'.num'}); 3619: } 3620: my %newhash=('deleted' => $contrib{'deleted'}.".$idx."); 3621: &Apache::lonnet::store(\%newhash,$symb,$env{'request.course.id'}, 3622: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3623: $env{'course.'.$env{'request.course.id'}.'.num'}); 3624: &redirect_back($r,$feedurl,&mt('Changed discussion status').'<br />', 3625: '0','0','','',$env{'form.previous'},undef,undef,undef, 3626: undef,undef,undef,$group); 3627: return OK; 3628: } elsif ($env{'form.preview'}) { 3629: # -------------------------------------------------------- User wants a preview 3630: &show_preview($r); 3631: return OK; 3632: } elsif ($env{'form.attach'}) { 3633: # -------------------------------------------------------- Work on attachments 3634: &Apache::loncommon::content_type($r,'text/html'); 3635: $r->send_http_header; 3636: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['subject','comment','addnewattach','delnewattach','timestamp','numoldver','idx','discuss','blog']); 3637: my (@currnewattach,@currdelold,@keepold,$toolarge); 3638: &process_attachments(\@currnewattach,\@currdelold,\@keepold); 3639: if (exists($env{'form.addnewattach.filename'})) { 3640: if (length($env{'form.addnewattach'})<=$attachmax{'num'}) { 3641: my $subdir = 'feedback/'.$env{'form.timestamp'}; 3642: my $newattachment=&Apache::lonnet::userfileupload('addnewattach',undef,$subdir); 3643: push(@currnewattach, $newattachment); 3644: } else { 3645: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3646: } 3647: } 3648: my $attachmenturls; 3649: my ($symb) = &get_feedurl_and_clean_symb($env{'form.attach'}); 3650: my $idx = $env{'form.idx'}; 3651: if ($idx) { 3652: my %contrib=&Apache::lonnet::restore($symb,$env{'request.course.id'}, 3653: $env{'course.'.$env{'request.course.id'}.'.domain'}, 3654: $env{'course.'.$env{'request.course.id'}.'.num'}); 3655: $attachmenturls = $contrib{$idx.':attachmenturl'}; 3656: } 3657: &modify_attachments($r,\@currnewattach,\@currdelold,$symb,$idx, 3658: $attachmenturls,$attachmax{'text'},$toolarge); 3659: return OK; 3660: } elsif ($env{'form.export'}) { 3661: &Apache::loncommon::content_type($r,'text/html'); 3662: $r->send_http_header; 3663: my ($symb,$feedurl) = &get_feedurl_and_clean_symb($env{'form.export'}); 3664: my $mode='board'; 3665: my $status='OPEN'; 3666: my $previous=$env{'form.previous'}; 3667: if ($feedurl =~ /\.(problem|exam|quiz|assess|survey|form|library|task)$/) { 3668: $mode='problem'; 3669: $status=$Apache::inputtags::status[-1]; 3670: } 3671: my $discussion = &list_discussion($mode,$status,$symb); 3672: my $start_page = 3673: &Apache::loncommon::start_page('Resource Feedback and Discussion'); 3674: my $end_page = 3675: &Apache::loncommon::end_page(); 3676: $r->print($start_page.$discussion.$end_page); 3677: return OK; 3678: } else { 3679: # ------------------------------------------------------------- Normal feedback 3680: my $feedurl=$env{'form.postdata'}; 3681: $feedurl=~s/^https?\:\/\///; 3682: $feedurl=~s/^$ENV{'SERVER_NAME'}//; 3683: $feedurl=~s/^$ENV{'HTTP_HOST'}//; 3684: $feedurl=~s/\?.+$//; 3685: 3686: my $symb; 3687: if ($env{'form.replydisc'}) { 3688: $symb=(split(/\:\:\:/,$env{'form.replydisc'}))[0]; 3689: } elsif ($env{'form.editdisc'}) { 3690: $symb=(split(/\:\:\:/,$env{'form.editdisc'}))[0]; 3691: } elsif ($env{'form.origpage'}) { 3692: $symb=""; 3693: } else { 3694: $symb=&Apache::lonnet::symbread($feedurl); 3695: } 3696: unless ($symb) { 3697: $symb=$env{'form.symb'}; 3698: } 3699: if (defined($symb)) { 3700: ($symb,$feedurl)=&get_feedurl_and_clean_symb($symb); 3701: } else { 3702: # backward compatibility (bulletin boards used to be 'wrapped') 3703: &Apache::lonenc::check_decrypt(\$feedurl); 3704: &dewrapper(\$feedurl); 3705: } 3706: my $goahead=1; 3707: if ($feedurl=~/\.(problem|exam|quiz|assess|survey|form|task)$/) { 3708: unless ($symb) { $goahead=0; } 3709: } 3710: if (!$goahead) { 3711: # Ambiguous Problem Resource 3712: $r->internal_redirect('/adm/ambiguous'); 3713: return OK; 3714: } 3715: # Go ahead with feedback, no ambiguous reference 3716: unless ( 3717: ( 3718: ($feedurl=~m:^/res:) && ($feedurl!~m:^/res/adm:) 3719: ) 3720: || 3721: ($env{'request.course.id'} && ($feedurl!~m:^/adm:)) 3722: || 3723: ($env{'request.course.id'} && ($symb=~/^bulletin\_\_\_/)) 3724: ) { 3725: &Apache::loncommon::content_type($r,'text/html'); 3726: $r->send_http_header; 3727: # Unable to give feedback 3728: &Apache::lonenc::check_encrypt(\$feedurl); 3729: &no_redirect_back($r,$feedurl); 3730: return OK; 3731: } 3732: # --------------------------------------------------- Print login screen header 3733: unless ($env{'form.sendit'}) { 3734: &Apache::lonenc::check_encrypt(\$feedurl); 3735: &Apache::loncommon::content_type($r,'text/html'); 3736: $r->send_http_header; 3737: if (($env{'form.replydisc'}) || ($env{'form.editdisc'})) { 3738: my ($blocked,$blocktext) = 3739: &Apache::loncommon::blocking_status('boards'); 3740: if ($blocked) { 3741: $r->print(&blocked_reply_or_edit($blocktext)); 3742: return OK; 3743: } 3744: } 3745: my $options=&screen_header($feedurl,$symb); 3746: if ($options) { 3747: &mail_screen($r,$feedurl,$options,$symb,$attachmax{'text'}); 3748: } else { 3749: &fail_redirect($r,$feedurl); 3750: } 3751: return OK; 3752: } 3753: 3754: # Get previous user input 3755: my $prevattempts=&Apache::loncommon::get_previous_attempt( 3756: $symb,$env{'user.name'},$env{'user.domain'}, 3757: $env{'request.course.id'}); 3758: 3759: # Get output from resource 3760: &Apache::lonenc::check_encrypt(\$feedurl); 3761: my $usersaw=&resource_output($feedurl); 3762: 3763: # Get resource answer (need to allow student to view grades for this to work) 3764: &Apache::lonnet::appenv({'allowed.vgr'=>'F'}); 3765: my $usersymb = &Apache::lonenc::check_encrypt($symb); 3766: my $useranswer= 3767: &Apache::loncommon::get_student_answers( 3768: $usersymb,$env{'user.name'},$env{'user.domain'}, 3769: $env{'request.course.id'}); 3770: &Apache::lonnet::delenv('allowed.vgr'); 3771: # Get attachments, if any, and not too large 3772: my $attachmenturl=''; 3773: my $toolarge=''; 3774: if (($env{'form.origpage'}) || ($env{'form.editdisc'}) || 3775: ($env{'form.replydisc'})) { 3776: my ($symb,$idx); 3777: if ($env{'form.replydisc'}) { 3778: ($symb,$idx)=split(/\:\:\:/,$env{'form.replydisc'}); 3779: } elsif ($env{'form.editdisc'}) { 3780: ($symb,$idx)=split(/\:\:\:/,$env{'form.editdisc'}); 3781: } elsif ($env{'form.origpage'}) { 3782: $symb = $env{'form.symb'}; 3783: } 3784: &Apache::lonenc::check_decrypt(\$symb); 3785: my @currnewattach = (); 3786: my @deloldattach = (); 3787: my @keepold = (); 3788: &process_attachments(\@currnewattach,\@deloldattach,\@keepold); 3789: $symb=~s|(bulletin___\d+___)adm/wrapper/|$1|; 3790: $attachmenturl=&construct_attachmenturl(\@currnewattach,\@keepold,$symb,$idx); 3791: } elsif ($env{'form.attachment.filename'}) { 3792: if (length($env{'form.attachment'})<=$attachmax{'num'}) { 3793: my $now = time; 3794: my $subdir = 'feedback/'.$now; 3795: $attachmenturl=&Apache::lonnet::userfileupload('attachment',undef,$subdir); 3796: } else { 3797: $toolarge = '<p><span class="LC_warning">'.&mt('Attachment not included - exceeded permitted length').'</span><br /></p>'; 3798: } 3799: } 3800: # Filter HTML out of message (could be nasty) 3801: my $message=&clear_out_html($env{'form.comment'}); 3802: 3803: # Assemble email 3804: my ($email,$citations)=&assemble_email($message,$prevattempts, 3805: $usersaw,$useranswer); 3806: 3807: # Who gets this? 3808: my ($typestyle,%to) = &Apache::lonmsg::decide_receiver($feedurl); 3809: 3810: # Actually send mail 3811: my ($status,$numsent)=&send_msg(&clear_out_html($env{'form.subject'}, 3812: undef,1), 3813: $feedurl,$email,$citations, 3814: $attachmenturl,$usersymb,%to); 3815: 3816: # Discussion? Store that. 3817: my $numpost=0; 3818: if ( ($env{'form.discuss'} ne '' 3819: && $env{'form.discuss'} !~ /^(?:author|question|course|policy)/) 3820: || $env{'form.anondiscuss'} ne '') { 3821: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3822: my $anonmode=($env{'form.discuss'} eq 'anon' || $env{'form.anondiscuss'} ); 3823: $typestyle.=&adddiscuss($symb,$message,$anonmode,$attachmenturl, 3824: $subject); 3825: $numpost++; 3826: } 3827: 3828: # Add to blog? 3829: 3830: my $blog=''; 3831: if ($env{'form.blog'}) { 3832: my $subject = &clear_out_html($env{'form.subject'},undef,1); 3833: $status.=&Apache::lonrss::addentry($env{'user.name'}, 3834: $env{'user.domain'}, 3835: 'CourseBlog_'.$env{'request.course.id'}, 3836: $subject,$message,$feedurl,'public'); 3837: $blog='<br />'.&mt('Added to my course blog').'<br />'; 3838: } 3839: 3840: # Receipt screen and redirect back to where came from 3841: &redirect_back($r,$feedurl,$typestyle,$numsent,$numpost,$blog,$status,$env{'form.previous'},undef,undef,undef,undef,undef,undef,$group,$toolarge); 3842: } 3843: return OK; 3844: } 3845: 3846: sub blocked_reply_or_edit { 3847: my ($blocktext) = @_; 3848: return 3849: &Apache::loncommon::start_page('Resource Feedback and Discussion'). 3850: $blocktext.'<br /><br /><a href="javascript:history.go(-1)">'. 3851: &mt('Back to previous page'). 3852: &Apache::loncommon::end_page(); 3853: } 3854: 3855: sub wrap_symb { 3856: my ($ressymb)=@_; 3857: if ($ressymb =~ /bulletin___\d+___/) { 3858: unless ($ressymb =~ m|bulletin___\d+___adm/wrapper|) { 3859: $ressymb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3860: } 3861: } 3862: return $ressymb; 3863: } 3864: sub dewrapper { 3865: my ($feedurl)=@_; 3866: if ($$feedurl=~m|^/adm/wrapper/adm/.*/bulletinboard$|) { 3867: $$feedurl=~s|^/adm/wrapper||; 3868: } 3869: } 3870: 3871: sub get_feedurl { 3872: my ($symb)=@_; 3873: my ($map,$ind,$url)=&Apache::lonnet::decode_symb($symb); 3874: my $feedurl = &Apache::lonnet::clutter($url); 3875: &dewrapper(\$feedurl); 3876: return $feedurl; 3877: } 3878: 3879: sub get_feedurl_and_clean_symb { 3880: my ($symb)=@_; 3881: &Apache::lonenc::check_decrypt(\$symb); 3882: # backward compatibility (bulletin boards used to be 'wrapped') 3883: unless ($symb =~ m|bulletin___\d+___adm/wrapper|) { 3884: $symb=~s|(bulletin___\d+___)|$1adm/wrapper|; 3885: } 3886: my $feedurl = &get_feedurl($symb); 3887: return ($symb,$feedurl); 3888: } 3889: 3890: sub editing_allowed { 3891: my ($postid,$group) = @_; 3892: $postid = &unescape($postid); 3893: my $can_edit = 0; 3894: if ($group ne '') { 3895: my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'}; 3896: my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'}; 3897: if ($postid =~ m|^bulletin___\d+___adm/wrapper(/adm/\Q$cdom\E/\Q$cnum\E/\d+/bulletinboard)|) { 3898: if (&check_group_priv($group,'egp') eq 'ok') { 3899: $can_edit = 1; 3900: } 3901: return $can_edit; 3902: } 3903: } 3904: my $cid = $env{'request.course.id'}; 3905: my $role = (split(/\./,$env{'request.role'}))[0]; 3906: my $section = $env{'request.course.sec'}; 3907: my $allow_editing_config = 3908: $env{'course.'.$cid.'.allow_discussion_post_editing'}; 3909: if ($allow_editing_config =~ m/^\s*yes\s*$/i) { 3910: $can_edit = 1; 3911: } else { 3912: foreach my $editor (split(/,/,$allow_editing_config)) { 3913: my ($editor_role,$editor_sec) = split(/:/,$editor); 3914: if ($editor_role eq $role 3915: && defined($editor_sec) 3916: && defined($section) 3917: && $editor_sec eq $section) { 3918: $can_edit = 1; 3919: last; 3920: } 3921: if ($editor_role eq $role 3922: && !defined($editor_sec)) { 3923: $can_edit = 1; 3924: } 3925: } 3926: } 3927: return $can_edit; 3928: } 3929: 3930: sub check_group_priv { 3931: my ($group,$grp_priv) = @_; 3932: foreach my $priv ('mdg','vcg') { 3933: my $checkcourse = $env{'request.course.id'}. 3934: ($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''); 3935: if (&Apache::lonnet::allowed($priv,$checkcourse)) { 3936: return 'ok'; 3937: } 3938: } 3939: if ($grp_priv && $group ne '') { 3940: if (&Apache::lonnet::allowed($grp_priv,$env{'request.course.id'}.'/'.$group)) { 3941: return 'ok'; 3942: } 3943: } 3944: return ''; 3945: } 3946: 3947: sub group_args { 3948: my ($group) = @_; 3949: if ($group eq '') { return ''; } 3950: my $extra_args = '&group='.$group; 3951: if (exists($env{'form.ref'})) { 3952: $extra_args .= '&ref='.$env{'form.ref'}; 3953: } 3954: return $extra_args; 3955: } 3956: 3957: sub get_resource_title { 3958: my ($symb,$feedurl) = @_; 3959: my ($restitle,$plainurl); 3960: if (defined($symb)) { 3961: my $plain_symb = &Apache::lonenc::check_decrypt($symb); 3962: $restitle = &Apache::lonnet::gettitle($plain_symb); 3963: } 3964: if (defined($feedurl)) { 3965: $plainurl = &Apache::lonenc::check_decrypt($feedurl); 3966: } 3967: if (!defined($restitle)) { 3968: if (defined($feedurl)) { 3969: $restitle = &Apache::lonnet::gettitle($plainurl); 3970: } 3971: } 3972: if ($plainurl ne $feedurl) { 3973: my ($plain_filename) = ($plainurl =~ m-/([^/]+)$-); 3974: if ($plain_filename eq $restitle) { 3975: $restitle = &mt('Untitled resource'); 3976: } 3977: } 3978: if ($restitle eq '') { 3979: $restitle = &mt('Untitled resource'); 3980: } 3981: return $restitle; 3982: } 3983: 3984: 1; 3985: __END__ 3986: 3987: 3988: =pod 3989: 3990: =head1 NAME 3991: 3992: Apache::lonfeedback.pm 3993: 3994: =head1 SYNOPSIS 3995: 3996: Handles feedback from students to instructors and system administrators. 3997: 3998: Provides a screenshot of the current resource, as well as previous attempts if the resource was a homework. 3999: 4000: Used by lonmsg.pm. 4001: 4002: This is part of the LearningOnline Network with CAPA project 4003: described at http://www.lon-capa.org. 4004: 4005: =head1 OVERVIEW 4006: 4007: None 4008: 4009: =head1 SUBROUTINES 4010: 4011: =over 4012: 4013: =item discussion_open() 4014: 4015: =item discussion_visible() 4016: 4017: =item list_discussion() 4018: 4019: =item send_feedback_link() 4020: 4021: =item send_message_link() 4022: 4023: =item action_links_bar() 4024: 4025: =item postingform_display() 4026: 4027: =item build_posting_display 4028: 4029: =item filter_regexp() 4030: 4031: =item get_post_contents() 4032: 4033: =item replicate_attachments() 4034: 4035: =item mail_screen() 4036: 4037: =item print_display_options() 4038: 4039: =item print_sortfilter_options() 4040: 4041: =item print_showposters() 4042: 4043: =item get_post_versions() 4044: 4045: =item get_post_attachments() 4046: 4047: =item fail_redirect() 4048: 4049: =item redirect_back() 4050: 4051: =item no_redirect_back() 4052: 4053: =item screen_header() 4054: 4055: =item resource_output() 4056: 4057: =item clear_out_html() 4058: 4059: =item assemble_email() 4060: 4061: =item feedback_available() 4062: 4063: =item send_msg() 4064: 4065: =item adddiscuss() 4066: 4067: =item get_discussion_info() 4068: 4069: =item show_preview() 4070: 4071: =item newline_to_br() 4072: 4073: =item generate_preview_button() 4074: 4075: =item modify_attachments() 4076: 4077: =item process_attachments() 4078: 4079: =item generate_attachments_button() 4080: 4081: =item extract_attachments() 4082: 4083: =item construct_attachmenturl() 4084: 4085: =item add_blog_checkbox() 4086: 4087: =item has_discussion() 4088: 4089: =item sort_filter_names() 4090: 4091: =item handler() 4092: 4093: =item blocked_reply_or_edit() 4094: 4095: =item wrap_symb() 4096: 4097: =item dewrapper() 4098: 4099: =item get_feedurl() 4100: 4101: =item get_feedurl_and_clean_symb() 4102: 4103: =item editing_allowed() 4104: 4105: =item check_group_priv() 4106: 4107: =item group_args() 4108: 4109: =item get_resource_title() 4110: 4111: =back 4112: 4113: =cut