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conversation.php
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<?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/>.
/**
* View, create or edit a conversation in a dialogue. Also displays reply
* form if open conversation.
*
* @package mod_dialogue
* @copyright 2013 Troy Williams
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
require_once(dirname(dirname(dirname(__FILE__))).'/config.php');
require_once($CFG->dirroot . '/mod/dialogue/lib.php');
require_once($CFG->dirroot . '/mod/dialogue/locallib.php');
require_once($CFG->dirroot . '/mod/dialogue/formlib.php');
$id = required_param('id', PARAM_INT);
$conversationid = optional_param('conversationid', null, PARAM_INT);
$action = optional_param('action', 'view', PARAM_ALPHA);
$confirm = optional_param('confirm', 0, PARAM_INT);
$cm = get_coursemodule_from_id('dialogue', $id);
if (! $cm) {
print_error('invalidcoursemodule');
}
$activityrecord = $DB->get_record('dialogue', array('id' => $cm->instance));
if (! $activityrecord) {
print_error('invalidid', 'dialogue');
}
$course = $DB->get_record('course', array('id' => $activityrecord->course));
if (! $course) {
print_error('coursemisconf');
}
$context = \context_module::instance($cm->id, MUST_EXIST);
require_login($course, false, $cm);
$pageparams = array('id' => $id, 'conversationid' => $conversationid, 'action' => $action);
$pageurl = new moodle_url('/mod/dialogue/conversation.php', $pageparams);
$returnurl = new moodle_url('/mod/dialogue/view.php', array('id' => $cm->id));
if (isset($SESSION->dialoguereturnurl)) {
$returnurl = $SESSION->dialoguereturnurl;
}
$draftsurl = new moodle_url('/mod/dialogue/drafts.php', array('id' => $cm->id));
$PAGE->set_pagetype('mod-dialogue-conversation');
$PAGE->set_cm($cm, $course, $activityrecord);
$PAGE->set_context($context);
$PAGE->set_cacheable(false);
$PAGE->set_url($pageurl);
$dialogue = new \mod_dialogue\dialogue($cm, $course, $activityrecord);
$conversation = new \mod_dialogue\conversation($dialogue, $conversationid);
// form actions
if ($action == 'create' or $action == 'edit') {
require_capability('mod/dialogue:open', $context);
$form = $conversation->initialise_form();
if ($form->is_submitted()) {
$submitaction = $form->get_submit_action();
switch ($submitaction) {
case 'cancel':
redirect($returnurl);
case 'send':
if ($form->is_validated()){
$conversation->save_form_data();
$conversation->send();
if ($conversation->state == \mod_dialogue\dialogue::STATE_BULK_AUTOMATED) {
$sendmessage = get_string('conversationopenedcron', 'dialogue');
} else {
$sendmessage = get_string('conversationopened', 'dialogue');
// Trigger conversation created event
$eventparams = array(
'context' => $context,
'objectid' => $conversation->conversationid
);
$event = \mod_dialogue\event\conversation_created::create($eventparams);
$event->trigger();
}
redirect($returnurl, $sendmessage);
}
break; // leave switch to display form page
case 'save':
$conversation->save_form_data();
redirect($draftsurl, get_string('changessaved'));
case 'trash':
$conversation->trash();
redirect($draftsurl, get_string('draftconversationtrashed', 'dialogue'));
}
}
// display form page
echo $OUTPUT->header();
echo $OUTPUT->heading($activityrecord->name);
if (!empty($dialogue->activityrecord->intro)) {
echo $OUTPUT->box(format_module_intro('dialogue', $dialogue->activityrecord, $cm->id), 'generalbox', 'intro');
}
$form->display();
echo $OUTPUT->footer($course);
exit;
}
// close conversation
if ($action == 'close') {
if (!empty($confirm) && confirm_sesskey()) {
$conversation->close();
// Trigger conversation closed event
$eventparams = array(
'context' => $context,
'objectid' => $conversation->conversationid
);
$event = \mod_dialogue\event\conversation_closed::create($eventparams);
$event->trigger();
redirect($returnurl, get_string('conversationclosed', 'dialogue',
$conversation->subject));
}
echo $OUTPUT->header($activityrecord->name);
$pageurl->param('confirm', $conversationid);
$notification = $OUTPUT->notification(get_string('conversationcloseconfirm', 'dialogue', $conversation->subject), 'notifymessage');
echo $OUTPUT->confirm($notification, $pageurl, $returnurl);
echo $OUTPUT->footer();
exit;
}
// delete conversation
if ($action == 'delete') {
if (!empty($confirm) && confirm_sesskey()) {
$conversation->delete();
// Trigger conversation created event
$eventparams = array(
'context' => $context,
'objectid' => $conversation->conversationid
);
$event = \mod_dialogue\event\conversation_deleted::create($eventparams);
$event->trigger();
// Redirect to the listing page we came from.
redirect($returnurl, get_string('conversationdeleted', 'dialogue',
$conversation->subject));
}
echo $OUTPUT->header($activityrecord->name);
$pageurl->param('confirm', $conversationid);
$notification = $OUTPUT->notification(get_string('conversationdeleteconfirm', 'dialogue', $conversation->subject), 'notifyproblem');
echo $OUTPUT->confirm($notification, $pageurl, $returnurl);
echo $OUTPUT->footer();
exit;
}
// ready for viewing, let's just make sure not a draft, possible url manipulation by user
if ($conversation->state == \mod_dialogue\dialogue::STATE_DRAFT) {
redirect($returnurl);
}
if ($conversation->state == \mod_dialogue\dialogue::STATE_BULK_AUTOMATED) {
if (!has_capability('mod/dialogue:bulkopenruleeditany', $context) and $conversation->author->id != $USER->id) {
throw new moodle_exception('nopermission');
}
}
if ($conversation->state == \mod_dialogue\dialogue::STATE_OPEN or $conversation->state == \mod_dialogue\dialogue::STATE_CLOSED) {
if (!has_capability('mod/dialogue:viewany', $context) and !$conversation->is_participant()) {
throw new moodle_exception('nopermission');
}
}
// view conversation by default
$renderer = $PAGE->get_renderer('mod_dialogue');
echo $OUTPUT->header($activityrecord->name);
echo $renderer->render($conversation);
$conversation->mark_read();
// render replies
if ($conversation->replies()) {
foreach ($conversation->replies() as $reply) {
echo $renderer->render($reply);
$reply->mark_read();
}
}
// output reply form if meets criteria
$hasreplycapability = (has_capability('mod/dialogue:reply', $context) or
has_capability('mod/dialogue:replyany', $context));
// conversation is open and user can reply... then output reply form
if ($hasreplycapability and $conversation->state == \mod_dialogue\dialogue::STATE_OPEN) {
$reply = $conversation->reply();
$form = $reply->initialise_form();
$form->display();
}
echo $OUTPUT->footer($course);
// Trigger conversation viewed event
$eventparams = array(
'context' => $context,
'objectid' => $conversation->conversationid
);
$event = \mod_dialogue\event\conversation_viewed::create($eventparams);
$event->trigger();