1: # The LearningOnline Network with CAPA
2: # displays the blocking status table
3: #
4: # $Id: lonblockingstatus.pm,v 1.14.2.2.2.1 2020/09/08 04:04:31 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: package Apache::lonblockingstatus;
30:
31: use strict;
32: use Apache::Constants qw(:common);
33: use Apache::loncommon();
34: use Apache::lonnet;
35: use Apache::lonlocal;
36: use LONCAPA qw(:DEFAULT :match);
37:
38: sub handler {
39: my $r = shift;
40: &Apache::loncommon::no_cache($r);
41: &Apache::loncommon::content_type($r,'text/html');
42:
43: $r->send_http_header;
44: return OK if $r->header_only;
45:
46: my (%activities,$activity,$origurl);
47: map { $activities{$_} = 1; } ('boards','chat','com','blogs','groups','port','printout','docs','grades','passwd');
48:
49: # determine what kind of blocking we want details for
50: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},['activity','url']);
51: $activity = $env{'form.activity'};
52:
53: my $title = 'Communication Blocking Status Information';
54:
55: if (($activity eq 'docs') || ($activity eq 'printout') ||
56: ($activity eq 'grades') || ($activity eq 'passwd')) {
57: $title = 'Blocking Status Information';
58: if ($activity eq 'docs') {
59: $origurl = $env{'form.url'};
60: }
61: }
62: $r->print(&Apache::loncommon::start_page($title,undef,
63: {'only_body' => 1}));
64:
65: if (($activity eq '') || (!$activities{$activity})) {
66: $r->print('<span class="LC_error">'.&mt('Error: unknown activity type blocked').'</span>');
67: } else {
68: $r->print(&blockpage($activity,$origurl));
69: }
70:
71: $r->print(&Apache::loncommon::end_page());
72:
73: return OK;
74: }
75:
76:
77: sub blockpage {
78: my ($activity,$origurl) = @_;
79:
80: # in case of a portfolio block we need to determine the owner of the files
81: # we're trying to look at. This information is passed via query string.
82: my ($uname, $udom);
83:
84: if (($activity eq 'port') ||
85: (($activity eq 'passwd') && ($env{'user.name'} eq 'public') && ($env{'user.domain'} eq 'public'))) {
86: &Apache::loncommon::get_unprocessed_cgi(
87: $ENV{'QUERY_STRING'}, ['udom', 'uname'] );
88:
89: ($uname, $udom) = ($env{'form.uname'}, $env{'form.udom'});
90: if (($uname !~ /^$match_username$/) || ($udom !~ /^$match_domain$/)) {
91: if ($activity eq 'port') {
92: return '<span class="LC_error">'.
93: &mt('Information about the owner of the portfolio files you were trying to view was missing or invalid.').
94: '</span><br />'.
95: &mt('Without valid owner information, the reason why access is blocked can not be determined');
96: } else {
97: return '<span class="LC_error">'.
98: &mt('Information about the username and/or domain for which you were trying to reset a password was missing or invalid.').
99: '</span><br />'.
100: &mt('Without valid information, the reason why access is blocked can not be determined');
101: }
102: }
103: }
104:
105:
106: # retrieve start/end of possible active blocking
107: my %setters;
108: my ($startblock,$endblock,$triggerblock) =
109: &Apache::loncommon::blockcheck(\%setters,$activity,$uname,$udom,$origurl);
110:
111: # nothing to do if there's no active blocking
112: unless ($startblock && $endblock) { return ''; }
113:
114: # lookup $activity -> description
115: #possible activity #corresponding description
116: my %descs = (
117: boards => 'Discussion posts in this course',
118: chat => 'Chat Room',
119: com => 'This message',
120: blogs => 'Blogs',
121: groups => 'Groups in this course',
122: printout => 'Printout generation',
123: docs => 'Course Content',
124: passwd => 'Changing of passwords',
125: grades => 'Course Gradebook',
126: );
127:
128: if ($activity eq 'groups' || $activity eq 'boards') {
129: if (&Apache::loncommon::course_type() eq 'Community') {
130: $descs{'boards'} = 'Discussion posts in this community';
131: $descs{'groups'} = 'Groups in this community';
132: $descs{'docs'} = 'Community Content';
133: $descs{'grades'} = 'Community Gradebook';
134: }
135: }
136:
137: my $description = $descs{$activity};
138: if ($activity eq 'port') {
139: $description = &get_portfolio_category($uname,$udom,\%setters);
140: }
141: if ($description eq '') {
142: $description = 'Communication';
143: }
144:
145: my $showstart = Apache::lonlocal::locallocaltime($startblock);
146: my $showend = Apache::lonlocal::locallocaltime($endblock);
147:
148: my $output;
149:
150: if ( ref($description) ne 'ARRAY' ) {
151: #default: $description is one of the above descriptions
152: if ($activity eq 'docs') {
153: $output=&mt( 'Access to the content page you are attempting to'
154: . ' view will be unavailable between [_1] and [_2] because'
155: . ' access to selected '.$description.' is being blocked.'
156: ,$showstart, $showend);
157: } elsif (($activity eq 'printout') || ($activity eq 'passwd') || ($activity eq 'grades')) {
158: $output = mt( $description
159: . ' will be unavailable between [_1] and [_2] because'
160: . ' this functionality is being blocked.'
161: ,$showstart, $showend);
162: } else {
163: $output = mt( $description
164: . ' will be inaccessible between [_1] and [_2] because'
165: . ' communication is being blocked.'
166: ,$showstart, $showend);
167: }
168: } else {
169: # @$description is is the array returned from get_portfolio_category()
170: # and contains the description (e.g. "Portfolio files belonging to [_1]"
171: # and the value for [_1]
172: $output = mt( $$description[0]
173: . ' will be inaccessible between [_2] and [_3] because'
174: . ' communication is being blocked.'
175: ,$$description[1], $showstart, $showend)
176: }
177:
178: $output = "<p class=\"LC_info\">$output</p>";
179:
180: # show a table containing details, except if user is trying to look
181: # at a different user's portfolio files
182: if ( $activity ne 'port' # no portfolio
183: || ( $uname eq $env{'user.name'} # or own portfolio
184: && $udom eq $env{'user.domain'} )
185: || Apache::lonnet::is_course($udom, $uname) ) # or portfolio of a course
186: {
187: $output .= &build_block_table(\%setters);
188: }
189:
190: return $output;
191: }
192:
193: sub build_block_table {
194: my ($setters) = @_;
195: my %lt = &Apache::lonlocal::texthash(
196: 'cacb' => 'Currently active communication/content blocks',
197: 'cour' => 'Course',
198: 'dura' => 'Duration',
199: 'blse' => 'Block set by'
200: );
201: my $output;
202: $output = Apache::loncommon::start_data_table()
203: . Apache::loncommon::data_table_caption($lt{'cacb'})
204: . Apache::loncommon::start_data_table_header_row()
205: . "<th>$lt{'cour'}</th> <th>$lt{'dura'}</th> <th>$lt{'blse'}</th>"
206: . Apache::loncommon::end_data_table_header_row();
207:
208: foreach my $course (keys(%{$setters})) {
209: my %courseinfo=&Apache::lonnet::coursedescription($course);
210: for (my $i=0; $i<@{$$setters{$course}{staff}}; $i++) {
211: my ($uname,$udom) = @{$$setters{$course}{staff}[$i]};
212: my $fullname = Apache::loncommon::plainname($uname,$udom);
213: if (defined($env{'user.name'}) && defined($env{'user.domain'})
214: && $env{'user.name'} ne 'public'
215: && $env{'user.domain'} ne 'public')
216: {
217: $fullname = Apache::loncommon::aboutmewrapper($fullname,$uname,$udom);
218: }
219: my $triggertype = $$setters{$course}{triggers}[$i];
220: if ($triggertype) {
221: $fullname .= &mt(' (triggered by you when starting timer)');
222: }
223: my ($openblock,$closeblock) = @{$$setters{$course}{times}[$i]};
224: $openblock = &Apache::lonlocal::locallocaltime($openblock);
225: $closeblock= &Apache::lonlocal::locallocaltime($closeblock);
226: my $duration = mt('[_1] to [_2]', $openblock, $closeblock);
227: $output .= Apache::loncommon::start_data_table_row()
228: . "<td>$courseinfo{'description'}</td>"
229: . "<td>$duration</td>"
230: . "<td>$fullname</td>"
231: . Apache::loncommon::end_data_table_row();
232: }
233: }
234: $output .= Apache::loncommon::end_data_table();
235: }
236:
237: sub get_portfolio_category {
238: my ($uname, $udom, $setters) = @_;
239:
240: if ($uname eq $env{'user.name'} && $udom eq $env{'user.domain'}) {
241: # user's portolfio files
242:
243: return 'Your portfolio files';
244:
245: } elsif (Apache::lonnet::is_course($udom, $uname)) {
246: # group portfolio files
247:
248: my $coursedesc;
249:
250: foreach my $course (keys(%{$setters})) {
251: my %courseinfo = Apache::lonnet::coursedescription($course);
252: $coursedesc = $courseinfo{'description'};
253: }
254:
255: return ["Group portfolio in the course '[_1]'", $coursedesc];
256:
257: } else {
258: # different user's portfolio files
259:
260: my $plainname = Apache::loncommon::plainname($uname, $udom);
261:
262: unless ( $env{'user.name'} eq 'public'
263: && $env{'user.domain'} eq 'public' )
264: {
265: $plainname = Apache::loncommon::aboutmewrapper(
266: $plainname, $uname, $udom);
267: }
268:
269: return ['Portfolio files belonging to [_1]', $plainname];
270: }
271: }
272:
273: 1;
274: __END__
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