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   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