<?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/>.

/**

* edit a reply in a 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 = required_param('conversationid', PARAM_INT);

$replyid = optional_param('messageid', null, PARAM_INT);

$action = optional_param('action', 'edit', 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);

require_capability('mod/dialogue:reply', $context);

$pageparams = array('id' => $id, 'conversationid' => $conversationid, 'action' => $action);

$pageurl = new moodle_url('/mod/dialogue/reply.php', $pageparams);

$returnurl = new moodle_url('/mod/dialogue/view.php', array('id' => $id));

if (isset($SESSION->dialoguereturnurl)) {

$returnurl = $SESSION->dialoguereturnurl;

}

$draftsurl = new moodle_url('/mod/dialogue/drafts.php', array('id' => $id));

$PAGE->set_pagetype('mod-dialogue-reply');

$PAGE->set_cm($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);

$reply = new \mod_dialogue\reply($dialogue, $conversation, $replyid);

if (!$reply->is_author()) {

throw new \moodle_exception("You do not have permission to view this reply it doesn't

belong to you!");

}

// initialise and check form submission

$form = $reply->initialise_form();

if ($form->is_submitted()) {

$formaction = $form->get_submit_action();

switch ($formaction) {

case 'cancel':

redirect($returnurl);

case 'send':

if ($form->is_validated()){

$reply->save_form_data();

$reply->send();

$eventparams = array(

'context' => $context,

'objectid' => $reply->messageid,

'other' => array(

'conversationid' => $conversation->conversationid

)

);

$event = \mod_dialogue\event\reply_created::create($eventparams);

$event->trigger();

redirect($returnurl, get_string('replysent', 'dialogue'));

}

break; // leave switch to display form page

case 'save':

if ($form->is_validated()) {

$reply->save_form_data();

redirect($draftsurl, get_string('changessaved'));

}

break; // leave switch to display form page

case 'trash':

$reply->trash();

redirect($draftsurl, get_string('draftreplytrashed', 'dialogue'));

}

}

$renderer = $PAGE->get_renderer('mod_dialogue');

echo $OUTPUT->header();

// render conversation

echo $renderer->render($conversation);

// render replies

if ($conversation->replies()) {

foreach ($conversation->replies() as $reply) {

echo $renderer->render($reply);

}

}

// output form

$form->display();

echo $OUTPUT->footer($course);