moodle/mod/forum/view.php

244 lines
9.4 KiB
PHP

<?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/>.
/**
* @package mod-forum
* @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once('../../config.php');
require_once('lib.php');
require_once($CFG->libdir.'/completionlib.php');
$id = optional_param('id', 0, PARAM_INT); // Course Module ID
$f = optional_param('f', 0, PARAM_INT); // Forum ID
$mode = optional_param('mode', 0, PARAM_INT); // Display mode (for single forum)
$showall = optional_param('showall', '', PARAM_INT); // show all discussions on one page
$changegroup = optional_param('group', -1, PARAM_INT); // choose the current group
$page = optional_param('page', 0, PARAM_INT); // which page to show
$search = optional_param('search', '', PARAM_CLEAN);// search string
$params = array();
if ($id) {
$params['id'] = $id;
} else {
$params['f'] = $f;
}
if ($page) {
$params['page'] = $page;
}
if ($search) {
$params['search'] = $search;
}
$PAGE->set_url('/mod/forum/view.php', $params);
if ($id) {
if (! $cm = get_coursemodule_from_id('forum', $id)) {
print_error('invalidcoursemodule');
}
if (! $course = $DB->get_record("course", array("id" => $cm->course))) {
print_error('coursemisconf');
}
if (! $forum = $DB->get_record("forum", array("id" => $cm->instance))) {
print_error('invalidforumid', 'forum');
}
if ($forum->type == 'single') {
$PAGE->set_pagetype('mod-forum-discuss');
}
// move require_course_login here to use forced language for course
// fix for MDL-6926
require_course_login($course, true, $cm);
$strforums = get_string("modulenameplural", "forum");
$strforum = get_string("modulename", "forum");
} else if ($f) {
if (! $forum = $DB->get_record("forum", array("id" => $f))) {
print_error('invalidforumid', 'forum');
}
if (! $course = $DB->get_record("course", array("id" => $forum->course))) {
print_error('coursemisconf');
}
if (!$cm = get_coursemodule_from_instance("forum", $forum->id, $course->id)) {
print_error('missingparameter');
}
// move require_course_login here to use forced language for course
// fix for MDL-6926
require_course_login($course, true, $cm);
$strforums = get_string("modulenameplural", "forum");
$strforum = get_string("modulename", "forum");
} else {
print_error('missingparameter');
}
if (!$PAGE->button) {
$PAGE->set_button(forum_search_form($course, $search));
}
$context = context_module::instance($cm->id);
$PAGE->set_context($context);
if (!empty($CFG->enablerssfeeds) && !empty($CFG->forum_enablerssfeeds) && $forum->rsstype && $forum->rssarticles) {
require_once("$CFG->libdir/rsslib.php");
$rsstitle = format_string($course->shortname, true, array('context' => context_course::instance($course->id))) . ': %fullname%';
rss_add_http_header($context, 'mod_forum', $forum, $rsstitle);
}
// Mark viewed if required
$completion = new completion_info($course);
$completion->set_module_viewed($cm);
/// Print header.
$PAGE->set_title(format_string($forum->name));
$PAGE->add_body_class('forumtype-'.$forum->type);
$PAGE->set_heading(format_string($course->fullname));
echo $OUTPUT->header();
/// Some capability checks.
if (empty($cm->visible) and !has_capability('moodle/course:viewhiddenactivities', $context)) {
notice(get_string("activityiscurrentlyhidden"));
}
if (!has_capability('mod/forum:viewdiscussion', $context)) {
notice(get_string('noviewdiscussionspermission', 'forum'));
}
/// find out current groups mode
groups_print_activity_menu($cm, $CFG->wwwroot . '/mod/forum/view.php?id=' . $cm->id);
$currentgroup = groups_get_activity_group($cm);
$groupmode = groups_get_activity_groupmode($cm);
/// Okay, we can show the discussions. Log the forum view.
if ($cm->id) {
add_to_log($course->id, "forum", "view forum", "view.php?id=$cm->id", "$forum->id", $cm->id);
} else {
add_to_log($course->id, "forum", "view forum", "view.php?f=$forum->id", "$forum->id");
}
$SESSION->fromdiscussion = qualified_me(); // Return here if we post or set subscription etc
/// Print settings and things across the top
// If it's a simple single discussion forum, we need to print the display
// mode control.
if ($forum->type == 'single') {
$discussion = NULL;
$discussions = $DB->get_records('forum_discussions', array('forum'=>$forum->id), 'timemodified ASC');
if (!empty($discussions)) {
$discussion = array_pop($discussions);
}
if ($discussion) {
if ($mode) {
set_user_preference("forum_displaymode", $mode);
}
$displaymode = get_user_preferences("forum_displaymode", $CFG->forum_displaymode);
forum_print_mode_form($forum->id, $displaymode, $forum->type);
}
}
if (!empty($forum->blockafter) && !empty($forum->blockperiod)) {
$a->blockafter = $forum->blockafter;
$a->blockperiod = get_string('secondstotime'.$forum->blockperiod);
echo $OUTPUT->notification(get_string('thisforumisthrottled','forum',$a));
}
if ($forum->type == 'qanda' && !has_capability('moodle/course:manageactivities', $context)) {
echo $OUTPUT->notification(get_string('qandanotify','forum'));
}
switch ($forum->type) {
case 'single':
if (!empty($discussions) && count($discussions) > 1) {
echo $OUTPUT->notification(get_string('warnformorepost', 'forum'));
}
if (! $post = forum_get_post_full($discussion->firstpost)) {
print_error('cannotfindfirstpost', 'forum');
}
if ($mode) {
set_user_preference("forum_displaymode", $mode);
}
$canreply = forum_user_can_post($forum, $discussion, $USER, $cm, $course, $context);
$canrate = has_capability('mod/forum:rate', $context);
$displaymode = get_user_preferences("forum_displaymode", $CFG->forum_displaymode);
echo '&nbsp;'; // this should fix the floating in FF
forum_print_discussion($course, $cm, $forum, $discussion, $post, $displaymode, $canreply, $canrate);
break;
case 'eachuser':
if (!empty($forum->intro)) {
echo $OUTPUT->box(format_module_intro('forum', $forum, $cm->id), 'generalbox', 'intro');
}
echo '<p class="mdl-align">';
if (forum_user_can_post_discussion($forum, null, -1, $cm)) {
print_string("allowsdiscussions", "forum");
} else {
echo '&nbsp;';
}
echo '</p>';
if (!empty($showall)) {
forum_print_latest_discussions($course, $forum, 0, 'header', '', -1, -1, -1, 0, $cm);
} else {
forum_print_latest_discussions($course, $forum, -1, 'header', '', -1, -1, $page, $CFG->forum_manydiscussions, $cm);
}
break;
case 'teacher':
if (!empty($showall)) {
forum_print_latest_discussions($course, $forum, 0, 'header', '', -1, -1, -1, 0, $cm);
} else {
forum_print_latest_discussions($course, $forum, -1, 'header', '', -1, -1, $page, $CFG->forum_manydiscussions, $cm);
}
break;
case 'blog':
if (!empty($forum->intro)) {
echo $OUTPUT->box(format_module_intro('forum', $forum, $cm->id), 'generalbox', 'intro');
}
echo '<br />';
if (!empty($showall)) {
forum_print_latest_discussions($course, $forum, 0, 'plain', '', -1, -1, -1, 0, $cm);
} else {
forum_print_latest_discussions($course, $forum, -1, 'plain', '', -1, -1, $page, $CFG->forum_manydiscussions, $cm);
}
break;
default:
if (!empty($forum->intro)) {
echo $OUTPUT->box(format_module_intro('forum', $forum, $cm->id), 'generalbox', 'intro');
}
echo '<br />';
if (!empty($showall)) {
forum_print_latest_discussions($course, $forum, 0, 'header', '', -1, -1, -1, 0, $cm);
} else {
forum_print_latest_discussions($course, $forum, -1, 'header', '', -1, -1, $page, $CFG->forum_manydiscussions, $cm);
}
break;
}
echo $OUTPUT->footer($course);