forum_view_29.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    block_ned_teacher_tools
 * @copyright  Michael Gardener <mgardener@cissq.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once('../../config.php');
require_once($CFG->dirroot.'/mod/forum/lib.php');
require_once($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') {
        $PAGE->set_pagetype('embedded');
    }
    // Move require_course_login here to use forced language for course.
    // Fix for MDL-6926.
    require_course_login($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($course->id))) . ': ' . format_string($forum->name);
    rss_add_http_header($context, 'mod_forum', $forum, $rsstitle);
}

// Print header.
$PAGE->set_title($forum->name);
$PAGE->add_body_class('forumtype-'.$forum->type);
$PAGE->set_heading($course->fullname);
$PAGE->set_pagelayout('embedded');

// 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'));
}

// Mark viewed and trigger the course_module_viewed event.
forum_view($forum, $course, $cm, $context);

echo $OUTPUT->header();

echo $OUTPUT->heading(format_string($forum->name), 2);
if (!empty($forum->intro) && $forum->type != 'single' && $forum->type != 'teacher') {
    echo $OUTPUT->box(format_module_intro('forum', $forum, $cm->id), 'generalbox', 'intro');
}

// Find out current groups mode.
groups_print_activity_menu($cm, $CFG->wwwroot . '/mod/forum/view.php?id=' . $cm->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 = new stdClass();
    $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':
        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':
        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:
        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;
}

// Add the subscription toggle JS.
$PAGE->requires->yui_module('moodle-mod_forum-subscriptiontoggle', 'Y.M.mod_forum.subscriptiontoggle.init');

echo $OUTPUT->footer($course);