1<?php
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/**
18 * This file contains the news item block class, based upon block_base.
19 *
20 * @package    block_news_items
21 * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
22 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
23 */
24
25/**
26 * Class block_news_items
27 *
28 * @package    block_news_items
29 * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)
30 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
31 */
32class block_news_items extends block_base {
33    function init() {
34        $this->title = get_string('pluginname', 'block_news_items');
35    }
36
37    function get_content() {
38        global $CFG, $USER;
39
40        if ($this->content !== NULL) {
41            return $this->content;
42        }
43
44        $this->content = new stdClass;
45        $this->content->text = '';
46        $this->content->footer = '';
47
48        if (empty($this->instance)) {
49            return $this->content;
50        }
51
52
53        if ($this->page->course->newsitems) {   // Create a nice listing of recent postings
54
55            require_once($CFG->dirroot.'/mod/forum/lib.php');   // We'll need this
56
57            $text = '';
58
59            if (!$forum = forum_get_course_forum($this->page->course->id, 'news')) {
60                return '';
61            }
62
63            $modinfo = get_fast_modinfo($this->page->course);
64            if (empty($modinfo->instances['forum'][$forum->id])) {
65                return '';
66            }
67            $cm = $modinfo->instances['forum'][$forum->id];
68
69            if (!$cm->uservisible) {
70                return '';
71            }
72
73            $context = context_module::instance($cm->id);
74
75        /// User must have perms to view discussions in that forum
76            if (!has_capability('mod/forum:viewdiscussion', $context)) {
77                return '';
78            }
79
80        /// First work out whether we can post to this group and if so, include a link
81            $groupmode    = groups_get_activity_groupmode($cm);
82            $currentgroup = groups_get_activity_group($cm, true);
83
84            if (forum_user_can_post_discussion($forum, $currentgroup, $groupmode, $cm, $context)) {
85                $text .= '<div class="newlink"><a href="'.$CFG->wwwroot.'/mod/forum/post.php?forum='.$forum->id.'">'.
86                          get_string('addanewtopic', 'forum').'</a>...</div>';
87            }
88
89        /// Get all the recent discussions we're allowed to see
90
91            // This block displays the most recent posts in a forum in
92            // descending order. The call to default sort order here will use
93            // that unless the discussion that post is in has a timestart set
94            // in the future.
95            // This sort will ignore pinned posts as we want the most recent.
96            $sort = forum_get_default_sort_order(true, 'p.modified', 'd', false);
97            if (! $discussions = forum_get_discussions($cm, $sort, false,
98                                                        -1, $this->page->course->newsitems,
99                                                        false, -1, 0, FORUM_POSTS_ALL_USER_GROUPS) ) {
100                $text .= '('.get_string('nonews', 'forum').')';
101                $this->content->text = $text;
102                return $this->content;
103            }
104
105        /// Actually create the listing now
106
107            $strftimerecent = get_string('strftimerecent');
108            $strmore = get_string('more', 'forum');
109
110        /// Accessibility: markup as a list.
111            $text .= "\n<ul class='unlist'>\n";
112            foreach ($discussions as $discussion) {
113
114                $discussion->subject = $discussion->name;
115
116                $discussion->subject = format_string($discussion->subject, true, $forum->course);
117
118                $posttime = $discussion->modified;
119                if (!empty($CFG->forum_enabletimedposts) && ($discussion->timestart > $posttime)) {
120                    $posttime = $discussion->timestart;
121                }
122                $text .= '<li class="post">'.
123                         '<div class="head clearfix">'.
124                         '<div class="date">'.userdate($posttime, $strftimerecent).'</div>'.
125                         '<div class="name">'.fullname($discussion).'</div></div>'.
126                         '<div class="info"><a href="'.$CFG->wwwroot.'/mod/forum/discuss.php?d='.$discussion->discussion.'">'.$discussion->subject.'</a></div>'.
127                         "</li>\n";
128            }
129            $text .= "</ul>\n";
130
131            $this->content->text = $text;
132
133            $this->content->footer = '<a href="'.$CFG->wwwroot.'/mod/forum/view.php?f='.$forum->id.'">'.
134                                      get_string('oldertopics', 'forum').'</a> ...';
135
136        /// If RSS is activated at site and forum level and this forum has rss defined, show link
137            if (isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) &&
138                $CFG->enablerssfeeds && $CFG->forum_enablerssfeeds && $forum->rsstype && $forum->rssarticles) {
139                require_once($CFG->dirroot.'/lib/rsslib.php');   // We'll need this
140                if ($forum->rsstype == 1) {
141                    $tooltiptext = get_string('rsssubscriberssdiscussions','forum');
142                } else {
143                    $tooltiptext = get_string('rsssubscriberssposts','forum');
144                }
145                if (!isloggedin()) {
146                    $userid = $CFG->siteguest;
147                } else {
148                    $userid = $USER->id;
149                }
150
151                $this->content->footer .= '<br />'.rss_get_link($context->id, $userid, 'mod_forum', $forum->id, $tooltiptext);
152            }
153
154        }
155
156        return $this->content;
157    }
158}
159
160
161