MDL-64820 forum: Remove duplicate column for discussion
[moodle.git] / mod / forum / view.php
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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 = $vaultfactory->get_post_vault();
33
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34$cmid = optional_param('id', 0, PARAM_INT);
35$forumid = optional_param('f', 0, PARAM_INT);
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36$mode = optional_param('mode', 0, PARAM_INT);
37$showall = optional_param('showall', '', PARAM_INT);
38$pageno = optional_param('page', 0, PARAM_INT);
39$search = optional_param('search', '', PARAM_CLEAN);
40$pageno = optional_param('p', $pageno, PARAM_INT);
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41$pagesize = optional_param('s', 0, PARAM_INT);
42$sortorder = optional_param('o', null, PARAM_INT);
54d38a73 43
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44if (!$cmid && !$forumid) {
45 print_error('missingparameter');
46}
47
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48if ($cmid) {
49 $forum = $forumvault->get_from_course_module_id($cmid);
50 if (empty($forum)) {
51 throw new \moodle_exception('Unable to find forum with cmid ' . $cmid);
52 }
53} else {
54 $forum = $forumvault->get_from_id($forumid);
55 if (empty($forum)) {
56 throw new \moodle_exception('Unable to find forum with id ' . $forumid);
57 }
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58}
59
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60if (!empty($showall)) {
61 // The user wants to see all discussions.
62 $pageno = 0;
63 $pagesize = 0;
64}
65
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66$urlfactory = mod_forum\local\container::get_url_factory();
67$capabilitymanager = $managerfactory->get_capability_manager($forum);
68
bda290ee 69$url = $urlfactory->get_forum_view_url_from_forum($forum);
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70$PAGE->set_url($url);
71
72$course = $forum->get_course_record();
73$coursemodule = $forum->get_course_module_record();
74$cm = \cm_info::create($coursemodule);
75
76require_course_login($course, true, $cm);
77
78$PAGE->set_context($forum->get_context());
79$PAGE->set_title($forum->get_name());
80$PAGE->add_body_class('forumtype-' . $forum->get_type());
81$PAGE->set_heading($course->fullname);
f30f46db 82$PAGE->set_button(forum_search_form($course, $search));
54d38a73 83
bda290ee 84if (empty($cm->visible) && !has_capability('moodle/course:viewhiddenactivities', $forum->get_context())) {
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85 redirect(
86 $urlfactory->get_course_url_from_forum($forum),
87 get_string('activityiscurrentlyhidden'),
88 \core\output\notification::NOTIFY_WARNING
89 );
90}
91
92if (!$capabilitymanager->can_view_discussions($USER, $forum)) {
93 redirect(
94 $urlfactory->get_course_url_from_forum($forum),
95 get_string('noviewdiscussionspermission', 'fourm'),
96 \core\output\notification::NOTIFY_WARNING
97 );
98}
99
100// Mark viewed and trigger the course_module_viewed event.
101$forumdatamapper = $legacydatamapperfactory->get_forum_data_mapper();
102forum_view(
103 $forumdatamapper->to_legacy_object($forum),
104 $forum->get_course_record(),
105 $forum->get_course_module_record(),
106 $forum->get_context()
107);
108
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109// Return here if we post or set subscription etc.
110$SESSION->fromdiscussion = qualified_me();
111
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112if (!empty($CFG->enablerssfeeds) && !empty($CFG->forum_enablerssfeeds) && $forum->get_rss_type() && $forum->get_rss_articles()) {
113 require_once("{$CFG->libdir}/rsslib.php");
114
115 $rsstitle = format_string($course->shortname, true, [
116 'context' => context_course::instance($course->id),
117 ]) . ': ' . format_string($forum->get_name());
118 rss_add_http_header($forum->get_context(), 'mod_forum', $forum, $rsstitle);
119}
120
121echo $OUTPUT->header();
122echo $OUTPUT->heading(format_string($forum->get_name()), 2);
123
124if ('single' !== $forum->get_type() && !empty($forum->get_intro())) {
125 $legacydatamapperfactory = mod_forum\local\container::get_legacy_data_mapper_factory();
126 $forumdbdatamapper = $legacydatamapperfactory->get_forum_data_mapper();
127 $forumrecord = $forumdbdatamapper->to_legacy_object($forum);
128
129 echo $OUTPUT->box(format_module_intro('forum', $forumrecord, $cm->id), 'generalbox', 'intro');
130}
131
132if ($mode) {
133 set_user_preference('forum_displaymode', $mode);
134}
135
136$displaymode = get_user_preferences('forum_displaymode', $CFG->forum_displaymode);
137
138// Fetch the current groupid.
139$groupid = groups_get_activity_group($cm, true) ?: null;
140$rendererfactory = mod_forum\local\container::get_renderer_factory();
141switch ($forum->get_type()) {
142 case 'single':
143 $discussion = $discussionvault->get_last_discussion_in_forum($forum);
144 $discussioncount = $discussionvault->get_count_discussions_in_forum($forum);
145 $hasmultiplediscussions = $discussioncount > 1 ? true : false;
146 $discussionsrenderer = $rendererfactory->get_single_discussion_list_renderer($forum, $discussion,
147 $hasmultiplediscussions, $displaymode);
148 $post = $postvault->get_from_id($discussion->get_first_post_id());
149 $orderpostsby = $displaymode == FORUM_MODE_FLATNEWEST ? 'created DESC' : 'created ASC';
150 $replies = $postvault->get_replies_to_post($post, $orderpostsby);
151 echo $discussionsrenderer->render($USER, $post, $replies);
152 break;
153 case 'blog':
154 $discussionsrenderer = $rendererfactory->get_blog_discussion_list_renderer($forum);
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155 $discussionlistvault = $vaultfactory->get_discussions_in_forum_vault();
156 // Blog forums always show discussions newest first.
157 echo $discussionsrenderer->render($USER, $cm, $groupid, $discussionlistvault::SORTORDER_CREATED_DESC, $pageno, $pagesize);
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158 break;
159 default:
160 $discussionsrenderer = $rendererfactory->get_discussion_list_renderer($forum);
161 echo $discussionsrenderer->render($USER, $cm, $groupid, $sortorder, $pageno, $pagesize);
162}
163
164echo $OUTPUT->footer();