Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

// Moodle is free software: you can redistribute it and/or modify

// it under the terms of the GNU General Public License as published by

// the Free Software Foundation, either version 3 of the License, or

// (at your option) any later version.

//

// Moodle is distributed in the hope that it will be useful,

// but WITHOUT ANY WARRANTY; without even the implied warranty of

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

//

// You should have received a copy of the GNU General Public License

// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**

 * This file contains the news item block class, based upon block_base.

 *

 * @package    block_news_items

 * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

/**

 * Class block_news_items

 *

 * @package    block_news_items

 * @copyright  1999 onwards Martin Dougiamas (http://dougiamas.com)

 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 */

class block_news_items extends block_base {

    function init() {

        $this->title = get_string('pluginname', 'block_news_items');

    }

    function get_content() {

        global $CFG, $USER;

        if ($this->content !== NULL) {

            return $this->content;

        }

        $this->content = new stdClass;

        $this->content->text = '';

        $this->content->footer = '';

        if (empty($this->instance)) {

            return $this->content;

        }

        if ($this->page->course->newsitems) {   // Create a nice listing of recent postings

            require_once($CFG->dirroot.'/mod/forum/lib.php');   // We'll need this

            $text = '';

            if (!$forum = forum_get_course_forum($this->page->course->id, 'news')) {

                return '';

            }

            $modinfo = get_fast_modinfo($this->page->course);

            if (empty($modinfo->instances['forum'][$forum->id])) {

                return '';

            }

            $cm = $modinfo->instances['forum'][$forum->id];

            if (!$cm->uservisible) {

                return '';

            }

            $context = context_module::instance($cm->id);

        /// User must have perms to view discussions in that forum

            if (!has_capability('mod/forum:viewdiscussion', $context)) {

                return '';

            }

        /// First work out whether we can post to this group and if so, include a link

            $groupmode    = groups_get_activity_groupmode($cm);

            $currentgroup = groups_get_activity_group($cm, true);

            if (forum_user_can_post_discussion($forum, $currentgroup, $groupmode, $cm, $context)) {

                $text .= '<div class="newlink"><a href="'.$CFG->wwwroot.'/mod/forum/post.php?forum='.$forum->id.'">'.

                          get_string('addanewtopic', 'forum').'</a>...</div>';

            }

        /// Get all the recent discussions we're allowed to see

            // This block displays the most recent posts in a forum in

            // descending order. The call to default sort order here will use

            // that unless the discussion that post is in has a timestart set

            // in the future.

            // This sort will ignore pinned posts as we want the most recent.

            $sort = forum_get_default_sort_order(true, 'p.modified', 'd', false);

            if (! $discussions = forum_get_discussions($cm, $sort, false,

                                                        -1, $this->page->course->newsitems,

                                                        false, -1, 0, FORUM_POSTS_ALL_USER_GROUPS) ) {

                $text .= '('.get_string('nonews', 'forum').')';

                $this->content->text = $text;

                return $this->content;

            }

        /// Actually create the listing now

            $strposttimeformat = get_string('strftimedatetime', 'core_langconfig');

            $strmore = get_string('more', 'forum');

        /// Accessibility: markup as a list.

            $text .= "\n<ul class='unlist'>\n";

            foreach ($discussions as $discussion) {

                $discussion->subject = $discussion->name;

                $discussion->subject = format_string($discussion->subject, true, $forum->course);

                $posttime = $discussion->modified;

                if (!empty($CFG->forum_enabletimedposts) && ($discussion->timestart > $posttime)) {

                    $posttime = $discussion->timestart;

                }

                // If the user who created the discussion post has been deleted, indicate so.

                if ($discussion->userdeleted) {

                    $userfullname = get_string('deleteduser', 'mod_forum');

                } else {

                    $userfullname = fullname($discussion, has_capability('moodle/site:viewfullnames', $context));

                }

                $text .= '<li class="post">'.

                         '<div class="head clearfix">'.

                         '<div class="date">'.userdate($posttime, $strposttimeformat).'</div>'.

                         '<div class="name">'.$userfullname.'</div>'.

                         '</div>'.

                         '<div class="info"><a href="'.$CFG->wwwroot.'/mod/forum/discuss.php?d='.$discussion->discussion.'">'.$discussion->subject.'</a></div>'.

                         "</li>\n";

            }

            $text .= "</ul>\n";

            $this->content->text = $text;

            $this->content->footer = '<a href="'.$CFG->wwwroot.'/mod/forum/view.php?f='.$forum->id.'">'.

                                      get_string('oldertopics', 'forum').'</a> ...';

        /// If RSS is activated at site and forum level and this forum has rss defined, show link

            if (isset($CFG->enablerssfeeds) && isset($CFG->forum_enablerssfeeds) &&

                $CFG->enablerssfeeds && $CFG->forum_enablerssfeeds && $forum->rsstype && $forum->rssarticles) {

                require_once($CFG->dirroot.'/lib/rsslib.php');   // We'll need this

                if ($forum->rsstype == 1) {

                    $tooltiptext = get_string('rsssubscriberssdiscussions','forum');

                } else {

                    $tooltiptext = get_string('rsssubscriberssposts','forum');

                }

                if (!isloggedin()) {

                    $userid = $CFG->siteguest;

                } else {

                    $userid = $USER->id;

                }

                $this->content->footer .= '<br />'.rss_get_link($context->id, $userid, 'mod_forum', $forum->id, $tooltiptext);

            }

        }

        return $this->content;

    }

}