blocks/news_items/block_news_items.php

   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  */
  32 class 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                 $text .= '<li class="post">'.
 119                          '<div class="head clearfix">'.
 120                          '<div class="date">'.userdate($discussion->modified, $strftimerecent).'</div>'.
 121                          '<div class="name">'.fullname($discussion).'</div></div>'.
 122                          '<div class="info"><a href="'.$CFG->wwwroot.'/mod/forum/discuss.php?d='.$discussion->discussion.'">'.$discussion->subject.'</a></div>'.
 123                          "</li>\n";
 124             }
 125             $text .= "</ul>\n";
 126
 127             $this->content->text = $text;
 128
 129             $this->content->footer = '<a href="'.$CFG->wwwroot.'/mod/forum/view.php?f='.$forum->id.'">'.
 130                                       get_string('oldertopics', 'forum').'</a> ...';
 131
 132         /// If RSS is activated at site and forum level and this forum has rss defined, show link
 133             if (isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) &&
 134                 $CFG->enablerssfeeds && $CFG->forum_enablerssfeeds && $forum->rsstype && $forum->rssarticles) {
 135                 require_once($CFG->dirroot.'/lib/rsslib.php');   // We'll need this
 136                 if ($forum->rsstype == 1) {
 137                     $tooltiptext = get_string('rsssubscriberssdiscussions','forum');
 138                 } else {
 139                     $tooltiptext = get_string('rsssubscriberssposts','forum');
 140                 }
 141                 if (!isloggedin()) {
 142                     $userid = $CFG->siteguest;
 143                 } else {
 144                     $userid = $USER->id;
 145                 }
 146
 147                 $this->content->footer .= '<br />'.rss_get_link($context->id, $userid, 'mod_forum', $forum->id, $tooltiptext);
 148             }
 149
 150         }
 151
 152         return $this->content;
 153     }
 154 }
 155
 156