Annotation of loncom/interface/lonblockingstatus.pm, revision 1.18

1.1       droeschl    1: # The LearningOnline Network with CAPA
                      2: # displays the blocking status table
                      3: #
1.18    ! raeburn     4: # $Id: lonblockingstatus.pm,v 1.17 2020/09/28 00:10:28 raeburn Exp $
1.1       droeschl    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: package Apache::lonblockingstatus;
                     30: 
                     31: use strict;
                     32: use Apache::Constants qw(:common);
                     33: use Apache::loncommon();
1.3       kalberla   34: use Apache::lonnet;
                     35: use Apache::lonlocal;
1.8       raeburn    36: use LONCAPA qw(:DEFAULT :match);
1.1       droeschl   37: 
                     38: sub handler {
                     39:     my $r = shift;
1.8       raeburn    40:     &Apache::loncommon::no_cache($r);
                     41:     &Apache::loncommon::content_type($r,'text/html');
1.6       droeschl   42: 
1.1       droeschl   43:     $r->send_http_header;
                     44:     return OK if $r->header_only;
                     45: 
1.17      raeburn    46:     my (%activities,$activity,$origurl,$origsymb);
1.16      raeburn    47:     map { $activities{$_} = 1; } ('boards','chat','com','blogs','groups','port','printout','docs','grades','passwd','search');
1.1       droeschl   48: 
1.8       raeburn    49:     # determine what kind of blocking we want details for
1.17      raeburn    50:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['activity','url','symb']);
1.8       raeburn    51:     $activity = $env{'form.activity'};
                     52: 
                     53:     my $title = 'Communication Blocking Status Information';
                     54: 
1.16      raeburn    55:     if (($activity eq 'docs') || ($activity eq 'printout') ||
                     56:         ($activity eq 'grades') || ($activity eq 'passwd') ||
                     57:         ($activity eq 'search')) {
1.8       raeburn    58:         $title = 'Blocking Status Information';
1.16      raeburn    59:         if ($activity eq 'docs') {
                     60:             $origurl = $env{'form.url'};
1.17      raeburn    61:             $origsymb = $env{'form.symb'};
1.16      raeburn    62:         }
1.8       raeburn    63:     }
                     64:     $r->print(&Apache::loncommon::start_page($title,undef,
                     65:                                             {'only_body' => 1}));
                     66: 
                     67:     if (($activity eq '') || (!$activities{$activity})) {
1.17      raeburn    68:         $r->print('<p class="LC_error">'.&mt('Error: unknown activity type blocked').'</p>');
                     69:     } elsif (($activity eq 'docs') && ($origurl eq '') && ($origsymb eq '')) {
                     70:         $r->print('<p class="LC_error">'.&mt('Error: could not determine what content was blocked from access').'</p>');
1.8       raeburn    71:     } else {
1.17      raeburn    72:         $r->print(&blockpage($activity,$origurl,$origsymb));
1.8       raeburn    73:     }
1.18    ! raeburn    74: 
1.8       raeburn    75:     $r->print(&Apache::loncommon::end_page());
1.6       droeschl   76: 
1.1       droeschl   77:     return OK;
                     78: }
1.6       droeschl   79: 
                     80: sub blockpage {
1.17      raeburn    81:     my ($activity,$origurl,$origsymb) = @_;
1.6       droeschl   82: 
                     83:     # in case of a portfolio block we need to determine the owner of the files
                     84:     # we're trying to look at. This information is passed via query string.
                     85:     my ($uname, $udom);
                     86: 
1.18    ! raeburn    87:     if (($activity eq 'port') ||
1.13      raeburn    88:         (($activity eq 'passwd') && ($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))) {
1.8       raeburn    89:         &Apache::loncommon::get_unprocessed_cgi(
1.6       droeschl   90:             $ENV{'QUERY_STRING'}, ['udom', 'uname'] );
                     91: 
                     92:         ($uname, $udom) = ($env{'form.uname'}, $env{'form.udom'});
1.8       raeburn    93:         if (($uname !~ /^$match_username$/) || ($udom !~ /^$match_domain$/)) {
1.13      raeburn    94:             if ($activity eq 'port') {
                     95:                 return '<span class="LC_error">'.
                     96:                        &mt('Information about the owner of the portfolio files you were trying to view was missing or invalid.').
                     97:                        '</span><br />'.
1.18    ! raeburn    98:                        &mt('Without valid owner information, the reason why access is blocked can not be determined');
1.13      raeburn    99:             } else {
                    100:                 return '<span class="LC_error">'.
                    101:                        &mt('Information about the username and/or domain for which you were trying to reset a password was missing or invalid.').
                    102:                        '</span><br />'.
                    103:                        &mt('Without valid information, the reason why access is blocked can not be determined');
                    104:             }
1.8       raeburn   105:         }
1.6       droeschl  106:     }
                    107: 
1.17      raeburn   108:     # retrieve start/end of possible active blocking
                    109:     my (%setters,$startblock,$endblock,$triggerblock);
1.6       droeschl  110: 
1.17      raeburn   111:     if ($activity eq 'docs') {
                    112:         my ($cdom,$cnum);
                    113:         if ($env{'request.course.id'}) {
                    114:             $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                    115:             $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                    116:         }
                    117:         my $cancheck;
                    118:         if (($cdom ne '') && ($cnum ne '')) {
                    119:             if ($origsymb =~ m{^uploaded/($match_domain)/($match_courseid)/}) {
                    120:                 my ($crsdom,$crsnum) = ($1,$2);
                    121:                 if (($cdom eq $crsdom) && ($cnum eq $crsnum)) {
                    122:                     $cancheck = 1;
                    123:                 }
                    124:             } else {
                    125:                 $cancheck = 1;
                    126:             }
                    127:         }
                    128:         if ($cancheck) {
                    129:             ($startblock,$endblock,$triggerblock) =
                    130:                 &Apache::loncommon::blockcheck(\%setters,$activity,$cnum,$cdom,$origurl,1,$origsymb,'blockingstatus');
                    131:         } else {
                    132:             return '<p class="LC_info">'.&mt('Could not determine why access is blocked.').'</p>';
                    133:         }
                    134:     } else {
1.18    ! raeburn   135:         ($startblock,$endblock,$triggerblock) =
1.17      raeburn   136:             &Apache::loncommon::blockcheck(\%setters,$activity,$uname,$udom,$origurl,undef,$origsymb,'blockingstatus');
                    137:     }
1.6       droeschl  138: 
                    139:     # nothing to do if there's no active blocking
1.18    ! raeburn   140:     unless ($startblock && $endblock) {
1.17      raeburn   141:         if ($activity eq 'docs') {
                    142:             return '<p class="LC_info">'.&mt('Content no longer blocked from access').'</p>';
                    143:         }
                    144:         return '<p class="LC_info">'.&mt('Access no longer blocked for this activity').'</p>';
                    145:     }
1.6       droeschl  146: 
                    147:     # lookup $activity -> description
                    148:                    #possible activity          #corresponding description
1.8       raeburn   149:     my %descs = (
                    150:                    boards     => 'Discussion posts in this course',
                    151:                    chat       => 'Chat Room',
1.14      raeburn   152:                    com        => 'This message',
1.8       raeburn   153:                    blogs      => 'Blogs',
                    154:                    groups     => 'Groups in this course',
1.18    ! raeburn   155:                    printout   => 'Printout generation',
1.8       raeburn   156:                    docs       => 'Course Content',
1.13      raeburn   157:                    passwd     => 'Changing of passwords',
1.15      raeburn   158:                    grades     => 'Course Gradebook',
1.16      raeburn   159:                    search     => 'Content Search',
1.8       raeburn   160:                 );
                    161: 
                    162:     if ($activity eq 'groups' || $activity eq 'boards') {
1.12      raeburn   163:         if (&Apache::loncommon::course_type() eq 'Community') {
1.15      raeburn   164:             $descs{'boards'} = 'Discussion posts in this community';
                    165:             $descs{'groups'} = 'Groups in this community';
                    166:             $descs{'docs'} = 'Community Content';
1.16      raeburn   167:             $descs{'grades'} = 'Community Gradebook';
1.8       raeburn   168:         }
                    169:     }
                    170: 
                    171:     my $description = $descs{$activity};
                    172:     if ($activity eq 'port') {
                    173:         $description = &get_portfolio_category($uname,$udom,\%setters);
                    174:     }
                    175:     if ($description eq '') {
                    176:         $description = 'Communication';
                    177:     }
1.6       droeschl  178: 
                    179:     my $showstart = Apache::lonlocal::locallocaltime($startblock);
                    180:     my $showend   = Apache::lonlocal::locallocaltime($endblock);
                    181: 
                    182:     my $output;
1.16      raeburn   183: 
1.8       raeburn   184:     if ( ref($description) ne 'ARRAY' ) {
1.6       droeschl  185:         #default: $description is one of the above descriptions
1.8       raeburn   186:         if ($activity eq 'docs') {
1.18    ! raeburn   187:             $output=&mt( 'Access to the content page you are attempting to'
1.8       raeburn   188:                          . ' view will be unavailable between [_1] and [_2] because'
1.10      raeburn   189:                          . ' access to selected '.$description.' is being blocked.'
1.8       raeburn   190:                          ,$showstart, $showend);
1.16      raeburn   191:         } elsif (($activity eq 'printout') || ($activity eq 'passwd') ||
                    192:                  ($activity eq 'grades') || ($activity eq 'search')) {
1.11      raeburn   193:             $output = mt( $description
                    194:                           . ' will be unavailable between [_1] and [_2] because'
                    195:                           . ' this functionality is being blocked.'
                    196:                           ,$showstart, $showend);
1.8       raeburn   197:         } else {
                    198:             $output = mt( $description
                    199:                           . ' will be inaccessible between [_1] and [_2] because'
                    200:                           . ' communication is being blocked.'
1.18    ! raeburn   201:                           ,$showstart, $showend);
1.8       raeburn   202:         }
1.6       droeschl  203:     } else {
                    204:         # @$description is is the array returned from get_portfolio_category()
                    205:         # and contains the description (e.g. "Portfolio files belonging to [_1]"
                    206:         # and the value for [_1]
                    207:         $output = mt( $$description[0]
                    208:                       . ' will be inaccessible between [_2] and [_3] because'
                    209:                       . ' communication is being blocked.'
1.18    ! raeburn   210:                      ,$$description[1], $showstart, $showend);
1.6       droeschl  211:     }
                    212: 
                    213:     $output = "<p class=\"LC_info\">$output</p>";
                    214: 
1.18    ! raeburn   215:     # show a table containing details, except if user is trying to look
1.6       droeschl  216:     # at a different user's portfolio files
                    217:     if (   $activity ne 'port'                        # no portfolio
                    218:         || (   $uname eq $env{'user.name'}            # or own portfolio
                    219:             && $udom  eq $env{'user.domain'} ) 
                    220:         || Apache::lonnet::is_course($udom, $uname) ) # or portfolio of a course
                    221:     {
1.8       raeburn   222:         $output .= &build_block_table(\%setters);
1.4       kalberla  223:     }
1.6       droeschl  224: 
1.5       kalberla  225:     return $output;
                    226: }
                    227: 
                    228: sub build_block_table {
1.8       raeburn   229:     my ($setters) = @_;
1.5       kalberla  230:     my %lt = &Apache::lonlocal::texthash(
1.11      raeburn   231:         'cacb' => 'Currently active communication/content blocks',
1.5       kalberla  232:         'cour' => 'Course',
                    233:         'dura' => 'Duration',
                    234:         'blse' => 'Block set by'
                    235:     );
                    236:     my $output;
1.6       droeschl  237:     $output  = Apache::loncommon::start_data_table()
                    238:              . Apache::loncommon::data_table_caption($lt{'cacb'})
                    239:              . Apache::loncommon::start_data_table_header_row()
                    240:              . "<th>$lt{'cour'}</th> <th>$lt{'dura'}</th> <th>$lt{'blse'}</th>"
                    241:              . Apache::loncommon::end_data_table_header_row();
                    242: 
1.5       kalberla  243:     foreach my $course (keys(%{$setters})) {
                    244:         my %courseinfo=&Apache::lonnet::coursedescription($course);
                    245:         for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
                    246:             my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
                    247:             my $fullname = Apache::loncommon::plainname($uname,$udom);
                    248:             if (defined($env{'user.name'}) && defined($env{'user.domain'})
                    249:                 && $env{'user.name'} ne 'public'
1.6       droeschl  250:                 && $env{'user.domain'} ne 'public') 
                    251:             {
1.5       kalberla  252:                 $fullname = Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
                    253:             }
1.11      raeburn   254:             my $triggertype = $$setters{$course}{triggers}[$i];
1.8       raeburn   255:             if ($triggertype) {
1.18    ! raeburn   256:                 $fullname .= &mt(' (triggered by you when starting timer)');
1.8       raeburn   257:             }
1.5       kalberla  258:             my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
                    259:             $openblock = &Apache::lonlocal::locallocaltime($openblock);
                    260:             $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
1.6       droeschl  261:             my $duration = mt('[_1] to [_2]', $openblock, $closeblock);
                    262:             $output .= Apache::loncommon::start_data_table_row()
                    263:                      . "<td>$courseinfo{'description'}</td>"
                    264:                      . "<td>$duration</td>"
                    265:                      . "<td>$fullname</td>"
                    266:                      . Apache::loncommon::end_data_table_row();
1.5       kalberla  267:         }
                    268:     }
                    269:     $output .= Apache::loncommon::end_data_table();
1.4       kalberla  270: }
1.1       droeschl  271: 
1.6       droeschl  272: sub get_portfolio_category {
                    273:     my ($uname, $udom, $setters) = @_;
                    274: 
                    275:     if ($uname eq $env{'user.name'} && $udom eq $env{'user.domain'}) {
                    276:         # user's portolfio files
                    277: 
                    278:         return 'Your portfolio files';
                    279: 
                    280:     } elsif (Apache::lonnet::is_course($udom, $uname)) {
                    281:         # group portfolio files
                    282: 
                    283:         my $coursedesc;
                    284: 
                    285:         foreach my $course (keys(%{$setters})) {
                    286:             my %courseinfo = Apache::lonnet::coursedescription($course);
                    287:             $coursedesc    = $courseinfo{'description'};
                    288:         }
                    289: 
                    290:         return ["Group portfolio in the course '[_1]'", $coursedesc];
                    291:         
                    292:     } else {
                    293:         # different user's portfolio files
                    294:         
                    295:         my $plainname = Apache::loncommon::plainname($uname, $udom);
                    296: 
                    297:         unless (   $env{'user.name'}   eq 'public' 
                    298:                 && $env{'user.domain'} eq 'public' ) 
                    299:         {
                    300:             $plainname = Apache::loncommon::aboutmewrapper(
                    301:                             $plainname, $uname, $udom);
                    302:         }
                    303: 
                    304:         return ['Portfolio files belonging to [_1]', $plainname];
                    305:     }
                    306: }
                    307: 
1.1       droeschl  308: 1;
                    309: __END__

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