forked from learnweb/moodle-mod_moodleoverflow
-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.php
393 lines (317 loc) · 16.5 KB
/
index.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Moodleoverflow index.
*
* @package mod_moodleoverflow
* @copyright 2017 Kennet Winter <[email protected]>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
// Require needed files.
require_once(dirname(dirname(dirname(__FILE__))) . '/config.php');
require_once(dirname(__FILE__) . '/locallib.php');
require_once($CFG->dirroot . '/course/lib.php');
// Fetch submitted parameters.
$id = required_param('id', PARAM_INT);
$subscribe = optional_param('subscribe', null, PARAM_INT);
// Set an url to go back to the page.
$url = new moodle_url('/mod/moodleoverflow/index.php', array('id' => $id));
// Check whether the subscription parameter was set.
if ($subscribe !== null) {
require_sesskey();
$url->param('subscribe', $subscribe);
}
// The the url of this page.
$PAGE->set_url($url);
// Check if the id is related to a valid course.
if (!$course = $DB->get_record('course', array('id' => $id))) {
print_error('invalidcourseid');
}
// From now on, the user must be enrolled to a course.
require_course_login($course);
$PAGE->set_pagelayout('incourse');
$coursecontext = context_course::instance($course->id);
unset($SESSION->fromdiscussion);
// Trigger the course module instace lise viewed evewnt.
$params = array(
'context' => context_course::instance($course->id)
);
$event = \mod_moodleoverflow\event\course_module_instance_list_viewed::create($params);
$event->add_record_snapshot('course', $course);
$event->trigger();
// Cache some strings.
$string = array();
$string['moodleoverflow'] = get_string('moodleoverflow', 'moodleoverflow');
$string['moodleoverflows'] = get_string('moodleoverflows', 'moodleoverflow');
$string['modulenameplural'] = get_string('modulenameplural', 'moodleoverflow');
$string['description'] = get_string('description');
$string['discussions'] = get_string('discussions', 'moodleoverflow');
$string['subscribed'] = get_string('subscribed', 'moodleoverflow');
$string['unreadposts'] = get_string('unreadposts', 'moodleoverflow');
$string['tracking'] = get_string('tracking', 'moodleoverflow');
$string['markallread'] = get_string('markallread', 'moodleoverflow');
$string['trackmoodleoverflow'] = get_string('trackmoodleoverflow', 'moodleoverflow');
$string['notrackmoodleoverflow'] = get_string('notrackmoodleoverflow', 'moodleoverflow');
$string['subscribe'] = get_string('subscribe', 'moodleoverflow');
$string['unsubscribe'] = get_string('unsubscribe', 'moodleoverflow');
$string['subscribeenrolledonly'] = get_string('subscribeenrolledonly', 'moodleoverflow');
$string['allsubscribe'] = get_string('allsubscribe', 'moodleoverflow');
$string['allunsubscribe'] = get_string('allunsubscribe', 'moodleoverflow');
$string['generalmoodleoverflows'] = get_string('generalmoodleoverflows', 'moodleoverflow');
$string['yes'] = get_string('yes');
$string['no'] = get_string('no');
// Begin to print a table for the general area.
$generaltable = new html_table();
$generaltable->head = array($string['moodleoverflow'], $string['description'], $string['discussions']);
$generaltable->align = array('left', 'left', 'center');
// Check whether moodleoverflows can be tracked.
$cantrack = \mod_moodleoverflow\readtracking::moodleoverflow_can_track_moodleoverflows();
if ($cantrack) {
$untracked = \mod_moodleoverflow\readtracking::get_untracked_moodleoverflows($USER->id, $course->id);
// Add information about the unread posts to the table.
$generaltable->head[] = $string['unreadposts'];
$generaltable->align[] = 'center';
// Add information about the tracking to the table.
$generaltable->head[] = $string['tracking'];
$generaltable->align[] = 'center';
}
// Fill the subscription cache for this course and user combination.
\mod_moodleoverflow\subscriptions::fill_subscription_cache_for_course($course->id, $USER->id);
// Retrieve the sections of the course.
$usesections = course_format_uses_sections($course->format);
// Initiate tables and variables.
$table = new html_table();
$generalmoodleoverflows = array();
$modinfo = get_fast_modinfo($course);
$showsubscriptioncolumns = false;
// Parse and organize all moodleoverflows.
$sql = "SELECT m.*
FROM {moodleoverflow} m
WHERE m.course = ?";
$moodleoverflows = $DB->get_records_sql($sql, array($course->id));
// Loop through allmoodleoverflows.
foreach ($modinfo->get_instances_of('moodleoverflow') as $moodleoverflowid => $cm) {
// Check whether the user can see the instance.
if (!$cm->uservisible OR !isset($moodleoverflows[$moodleoverflowid])) {
continue;
}
// Get the current moodleoverflow instance and the context.
$moodleoverflow = $moodleoverflows[$moodleoverflowid];
$modulecontext = context_module::instance($cm->id);
// Check whether the user can see the list.
if (!has_capability('mod/moodleoverflow:viewdiscussion', $modulecontext)) {
continue;
}
// Get information about the subscription state.
$cansubscribe = \mod_moodleoverflow\subscriptions::is_subscribable($moodleoverflow);
$moodleoverflow->cansubscribe = $cansubscribe || has_capability('mod/moodleoverflow:managesubscriptions', $modulecontext);
$moodleoverflow->issubscribed = \mod_moodleoverflow\subscriptions::is_subscribed($USER->id, $moodleoverflow, null);
$showsubscriptioncolumns = $showsubscriptioncolumns || $moodleoverflow->issubscribed || $moodleoverflow->cansubscribe;
// Add the moodleoverflow to the cache.
$generalmoodleoverflows[$moodleoverflowid] = $moodleoverflow;
}
// Check whether the subscription columns need to be displayed.
if ($showsubscriptioncolumns) {
// The user can subscribe to at least one moodleoverflow.
// Add the subscription state to the table.
$generaltable->head[] = $string['subscribed'];
}
// Handle course wide subscriptions or unsubscriptions if requested.
if (!is_null($subscribe)) {
// Catch guests and not subscribable moodleoverflows.
if (isguestuser() OR !$showsubscriptioncolumns) {
// Redirect the user back.
$url = new moodle_url('/mod/moodleoverflow/index.php', array('id' => $id));
$notification = \core\output\notification::NOTIFY_ERROR;
redirect($url, $string['subscribeenrolledonly'], null, $notification);
}
// Loop through all moodleoverflows.
foreach ($modinfo->get_instances_of('moodleoverflow') as $moodleoverflowid => $cm) {
// Initiate variables.
$moodleoverflow = $moodleoverflows[$moodleoverflowid];
$modulecontext = context_module::instance($cm->id);
$cansub = false;
// Check capabilities.
$cap['viewdiscussion'] = has_capability('mod/moodleoverflow:viewdiscussion', $modulecontext);
$cap['managesubscriptions'] = has_capability('mod/moodleoverflow:managesubscriptions', $modulecontext);
$cap['manageactivities'] = has_capability('moodle/course:manageactivities', $coursecontext, $USER->id);
// Check whether the user can view the discussions.
if ($cap['viewdiscussion']) {
$cansub = true;
}
// Check whether the user can manage subscriptions.
if ($cansub AND $cm->visible == 0 AND !$cap['managesubscriptions']) {
$cansub = false;
}
// Check the subscription state.
$forcesubscribed = \mod_moodleoverflow\subscriptions::is_forcesubscribed($moodleoverflow);
if (!$forcesubscribed) {
// Check the current state.
$subscribed = \mod_moodleoverflow\subscriptions::is_subscribed($USER->id, $moodleoverflow, null);
$subscribable = \mod_moodleoverflow\subscriptions::is_subscribable($moodleoverflow);
// Check whether to subscribe or unsubscribe the user.
if ($cap['manageactivities'] OR $subscribable AND $subscribe AND !$subscribed AND $cansub) {
\mod_moodleoverflow\subscriptions::subscribe_user($USER->id, $moodleoverflow, $modulecontext, true);
} else {
\mod_moodleoverflow\subscriptions::unsubscribe_user($USER->id, $moodleoverflow, $modulecontext, true);
}
}
}
// Create an url to return the user back to.
$url = new moodle_url('/mod/moodleoverflow/index.php', array('id' => $id));
$returnto = moodleoverflow_go_back_to($url);
// Prepare the message to be displayed.
$shortname = format_string($course->shortname, true, array('context' => context_course::instance($course->id)));
$notification = \core\output\notification::NOTIFY_SUCCESS;
// Redirect the user depending on the subscription state.
if ($subscribe) {
redirect($returnto, get_string('nowallsubscribed', 'moodleoverflow', $shortname), null, $notification);
} else {
redirect($returnto, get_string('nowallunsubscribed', 'moodleoverflow', $shortname), null, $notification);
}
}
// Check if there are moodleoverflows.
if ($generalmoodleoverflows) {
// Loop through all of the moodleoverflows.
foreach ($generalmoodleoverflows as $moodleoverflow) {
// Retrieve the contexts.
$cm = $modinfo->instances['moodleoverflow'][$moodleoverflow->id];
$modulecontext = context_module::instance($cm->id);
// Count the discussions within the moodleoverflow.
$count = moodleoverflow_count_discussions($moodleoverflow, $course);
// Check whether the user can track the moodleoverflow.
if ($cantrack) {
// Check whether the tracking is disabled.
if ($moodleoverflow->trackingtype == MOODLEOVERFLOW_TRACKING_OFF) {
$unreadlink = '-';
$trackedlink = '-';
} else {
// The moodleoverflow can be tracked.
// Check if this moodleoverflow is manually untracked.
if (isset($untracked[$moodleoverflow->id])) {
$unreadlink = '-';
} else if ($unread = \mod_moodleoverflow\readtracking::moodleoverflow_count_unread_posts_moodleoverflow($cm,
$course)
) {
// There are unread posts in the moodleoverflow instance.
// Create a string to be displayed.
$unreadlink = '<span class="unread">';
$unreadlink .= '<a href="view.php?m=' . $moodleoverflow->id . '">' . $unread . '</a>';
$unreadlink .= '<a title="' . $string['markallread'] . '" href="markposts.php?m=' . $moodleoverflow->id .
'&mark=read&sesskey=' . sesskey() . '">';
$unreadlink .= '<img src="' . $OUTPUT->image_url('t/markasread') . '" alt="' .
$string['markallread'] . '" class="iconsmall" />';
$unreadlink .= '</a>';
$unreadlink .= '</span>';
} else {
// There are no unread messages for this moodleoverflow instance.
// Create a string to be displayed.
$unreadlink = '<span class="read">0</span>';
}
// Check whether the moodleoverflow instance can be tracked.
$isforced = $moodleoverflow->trackingtype == MOODLEOVERFLOW_TRACKING_FORCED;
if ($isforced AND (get_config('moodleoverflow', 'allowforcedreadtracking'))) {
// Tracking is set to forced.
// Define the string.
$trackedlink = $string['yes'];
} else if ($moodleoverflow->trackingtype === MOODLEOVERFLOW_TRACKING_OFF) {
// Tracking is set to off.
// Define the string.
$trackedlink = '-';
} else {
// Tracking is optional.
// Define the url the button is linked to.
$trackingurlparams = array('id' => $moodleoverflow->id, 'sesskey' => sesskey());
$trackingurl = new moodle_url('/mod/moodleoverflow/tracking.php', $trackingurlparams);
// Check whether the moodleoverflow instance is tracked.
if (!isset($untracked[$moodleoverflow->id])) {
$trackingparam = array('title' => $string['notrackmoodleoverflow']);
$trackedlink = $OUTPUT->single_button($trackingurl, $string['yes'], 'post', $trackingparam);
} else {
$trackingparam = array('title' => $string['trackmoodleoverflow']);
$trackedlink = $OUTPUT->single_button($trackingurl, $string['no'], 'post', $trackingparam);
}
}
}
}
// Get information about the moodleoverflow instance.
$moodleoverflow->intro = shorten_text(format_module_intro('moodleoverflow', $moodleoverflow, $cm->id), 300);
$moodleoverflowname = format_string($moodleoverflow->name, true);
// Check if the context module is visible.
if ($cm->visible) {
$style = '';
} else {
$style = 'class="dimmed"';
}
// Create links to the moodleoverflow and the discussion.
$moodleoverflowlink = "<a href=\"view.php?m=$moodleoverflow->id\" $style>"
. format_string($moodleoverflow->name, true) . '</a>';
$discussionlink = "<a href=\"view.php?m=$moodleoverflow->id\" $style>" . $count . "</a>";
// Create rows.
$row = array($moodleoverflowlink, $moodleoverflow->intro, $discussionlink);
// Add the tracking information to the rows.
if ($cantrack) {
$row[] = $unreadlink;
$row[] = $trackedlink;
}
// Add the subscription information to the rows.
if ($showsubscriptioncolumns) {
// Set options to create the subscription link.
$suboptions = array(
'subscribed' => $string['yes'],
'unsubscribed' => $string['no'],
'forcesubscribed' => $string['yes'],
'cantsubscribe' => '-',
);
// Add the subscription link to the row.
$row[] = \mod_moodleoverflow\subscriptions::moodleoverflow_get_subscribe_link($moodleoverflow,
$modulecontext, $suboptions);
}
// Add the rows to the table.
$generaltable->data[] = $row;
}
}
// Output the page.
$PAGE->navbar->add($string['moodleoverflows']);
$PAGE->set_title($course->shortname . ': ' . $string['moodleoverflows']);
$PAGE->set_heading($course->fullname);
echo $OUTPUT->header();
// Show the subscribe all option only to non-guest and enrolled users.
if (!isguestuser() AND isloggedin() AND $showsubscriptioncolumns) {
// Create a box.
echo $OUTPUT->box_start('subscription');
// Create the subscription link.
$urlparams = array('id' => $course->id, 'sesskey' => sesskey());
$subscriptionlink = new moodle_url('/mod/moodleoverflow/index.php', $urlparams);
// Give the option to subscribe to all.
$subscriptionlink->param('subscribe', 1);
$htmllink = html_writer::link($subscriptionlink, $string['allsubscribe']);
echo html_writer::tag('div', $htmllink, ['class' => 'helplink']);
// Give the option to unsubscribe from all.
$subscriptionlink->param('subscribe', 0);
$htmllink = html_writer::link($subscriptionlink, $string['allunsubscribe']);
echo html_writer::tag('div', $htmllink, ['class' => 'helplink']);
// Print the box.
echo $OUTPUT->box_end();
echo $OUTPUT->box(' ', 'clearer');
}
// Print the moodleoverflows.
if ($generalmoodleoverflows) {
echo $OUTPUT->heading($string['generalmoodleoverflows'], 2);
echo html_writer::table($generaltable);
}
// Print the pages footer.
echo $OUTPUT->footer();