MDL-64820 forum: fix blog discussion list ordering
[moodle.git] / mod / forum / view.php
CommitLineData
1adbd2c3 1<?php
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2// This file is part of Moodle - http://moodle.org/
3//
4// Moodle is free software: you can redistribute it and/or modify
5// it under the terms of the GNU General Public License as published by
6// the Free Software Foundation, either version 3 of the License, or
7// (at your option) any later version.
8//
9// Moodle is distributed in the hope that it will be useful,
10// but WITHOUT ANY WARRANTY; without even the implied warranty of
11// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12// GNU General Public License for more details.
13//
14// You should have received a copy of the GNU General Public License
15// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
16
17/**
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18 * Displays the list of discussions in a forum.
19 *
01030f1b 20 * @package mod_forum
54d38a73 21 * @copyright 2019 Andrew Nicols <andrew@nicols.co.uk>
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22 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
24
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25require_once('../../config.php');
26
27$managerfactory = mod_forum\local\container::get_manager_factory();
28$legacydatamapperfactory = mod_forum\local\container::get_legacy_data_mapper_factory();
29$vaultfactory = mod_forum\local\container::get_vault_factory();
30$forumvault = $vaultfactory->get_forum_vault();
31$discussionvault = $vaultfactory->get_discussion_vault();
32$postvault = $vaultfactory->get_post_vault();
33
34$cmid = required_param('id', PARAM_INT);
35$pageno = optional_param('p', 0, PARAM_INT);
36$pagesize = optional_param('s', 0, PARAM_INT);
37$sortorder = optional_param('o', null, PARAM_INT);
38$mode = optional_param('mode', 0, PARAM_INT);
39
40$forum = $forumvault->get_from_course_module_id($cmid);
41if (!$forum) {
42 throw new \moodle_exception('Unable to find forum with id ' . $forumid);
43}
44
45$urlfactory = mod_forum\local\container::get_url_factory();
46$capabilitymanager = $managerfactory->get_capability_manager($forum);
47
48$url = $urlfactory->get_forum_view_url_from_course_module_id($cmid);
49$PAGE->set_url($url);
50
51$course = $forum->get_course_record();
52$coursemodule = $forum->get_course_module_record();
53$cm = \cm_info::create($coursemodule);
54
55require_course_login($course, true, $cm);
56
57$PAGE->set_context($forum->get_context());
58$PAGE->set_title($forum->get_name());
59$PAGE->add_body_class('forumtype-' . $forum->get_type());
60$PAGE->set_heading($course->fullname);
61$PAGE->set_button(forum_search_form($course));
62
63if (empty($cm->visible) and !has_capability('moodle/course:viewhiddenactivities', $context)) {
64 redirect(
65 $urlfactory->get_course_url_from_forum($forum),
66 get_string('activityiscurrentlyhidden'),
67 \core\output\notification::NOTIFY_WARNING
68 );
69}
70
71if (!$capabilitymanager->can_view_discussions($USER, $forum)) {
72 redirect(
73 $urlfactory->get_course_url_from_forum($forum),
74 get_string('noviewdiscussionspermission', 'fourm'),
75 \core\output\notification::NOTIFY_WARNING
76 );
77}
78
79// Mark viewed and trigger the course_module_viewed event.
80$forumdatamapper = $legacydatamapperfactory->get_forum_data_mapper();
81forum_view(
82 $forumdatamapper->to_legacy_object($forum),
83 $forum->get_course_record(),
84 $forum->get_course_module_record(),
85 $forum->get_context()
86);
87
88if (!empty($CFG->enablerssfeeds) && !empty($CFG->forum_enablerssfeeds) && $forum->get_rss_type() && $forum->get_rss_articles()) {
89 require_once("{$CFG->libdir}/rsslib.php");
90
91 $rsstitle = format_string($course->shortname, true, [
92 'context' => context_course::instance($course->id),
93 ]) . ': ' . format_string($forum->get_name());
94 rss_add_http_header($forum->get_context(), 'mod_forum', $forum, $rsstitle);
95}
96
97echo $OUTPUT->header();
98echo $OUTPUT->heading(format_string($forum->get_name()), 2);
99
100if ('single' !== $forum->get_type() && !empty($forum->get_intro())) {
101 $legacydatamapperfactory = mod_forum\local\container::get_legacy_data_mapper_factory();
102 $forumdbdatamapper = $legacydatamapperfactory->get_forum_data_mapper();
103 $forumrecord = $forumdbdatamapper->to_legacy_object($forum);
104
105 echo $OUTPUT->box(format_module_intro('forum', $forumrecord, $cm->id), 'generalbox', 'intro');
106}
107
108if ($mode) {
109 set_user_preference('forum_displaymode', $mode);
110}
111
112$displaymode = get_user_preferences('forum_displaymode', $CFG->forum_displaymode);
113
114// Fetch the current groupid.
115$groupid = groups_get_activity_group($cm, true) ?: null;
116$rendererfactory = mod_forum\local\container::get_renderer_factory();
117switch ($forum->get_type()) {
118 case 'single':
119 $discussion = $discussionvault->get_last_discussion_in_forum($forum);
120 $discussioncount = $discussionvault->get_count_discussions_in_forum($forum);
121 $hasmultiplediscussions = $discussioncount > 1 ? true : false;
122 $discussionsrenderer = $rendererfactory->get_single_discussion_list_renderer($forum, $discussion,
123 $hasmultiplediscussions, $displaymode);
124 $post = $postvault->get_from_id($discussion->get_first_post_id());
125 $orderpostsby = $displaymode == FORUM_MODE_FLATNEWEST ? 'created DESC' : 'created ASC';
126 $replies = $postvault->get_replies_to_post($post, $orderpostsby);
127 echo $discussionsrenderer->render($USER, $post, $replies);
128 break;
129 case 'blog':
130 $discussionsrenderer = $rendererfactory->get_blog_discussion_list_renderer($forum);
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131 $discussionlistvault = $vaultfactory->get_discussions_in_forum_vault();
132 // Blog forums always show discussions newest first.
133 echo $discussionsrenderer->render($USER, $cm, $groupid, $discussionlistvault::SORTORDER_CREATED_DESC, $pageno, $pagesize);
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134 break;
135 default:
136 $discussionsrenderer = $rendererfactory->get_discussion_list_renderer($forum);
137 echo $discussionsrenderer->render($USER, $cm, $groupid, $sortorder, $pageno, $pagesize);
138}
139
140echo $OUTPUT->footer();