<?php
$user_guid = (int) get_input('guid');
$owner = elgg_get_logged_in_user_entity();
$site = elgg_get_site_entity();
$dbprefix = elgg_get_config('dbprefix');
$users = array((int) $user_guid, (int) $owner->guid);
sort($users);
$chat_id = json_encode($users);
$chats = elgg_get_entities_from_metadata(array('type' => 'object', 'subtype' => 'chat', 'owner_guid' => $site->guid, 'metadata_name_value_pairs' => array('name' => 'chat_id', 'value' => $chat_id)));
$json = array();
if (empty($chats)) {
$chat = new ElggChat();
$chat->owner_guid = $site->guid;
$chat->container_guid = $site->guid;
$chat->access_id = ACCESS_LOGGED_IN;
$chat->title = 'Test';
$chat->chat_id = $chat_id;
if ($chat->save()) {
$chat->addMember($owner->guid);
$chat->addMember($user_guid);
} else {
register_error(elgg_echo('chat:error:cannot_save'));
return;
}
} else {
$chat = $chats[0];
/**
* Get messages ascending to get latest messages and then reverse
* them to make the order chronological (latest messages at bottom).
*/
/**
* Pull together chat variables for the save form
*
* @param ElggChat $chat
* @return array
*/
function chat_prepare_form_vars($chat = NULL)
{
$user = elgg_get_logged_in_user_entity();
// input names => defaults
$values = array('title' => NULL, 'description' => NULL, 'access_id' => ACCESS_LOGGED_IN, 'container_guid' => NULL, 'guid' => NULL, 'members' => NULL);
if ($chat) {
foreach (array_keys($values) as $field) {
if (isset($chat->{$field})) {
$values[$field] = $chat->{$field};
}
}
$values['members'] = $chat->getMemberGuids();
}
if (elgg_is_sticky_form('chat')) {
$sticky_values = elgg_get_sticky_values('chat');
foreach ($sticky_values as $key => $value) {
$values[$key] = $value;
}
// This is not a property of chat so add separately
$values['description'] = $sticky_values['message'];
}
elgg_clear_sticky_form('chat');
return $values;
}
forward(REFERER);
}
if (empty($members)) {
register_error(elgg_echo("chat:error:missing:members"));
forward(REFERER);
}
if ($guid) {
$entity = get_entity($guid);
if (elgg_instanceof($entity, 'object', 'chat') && $entity->canEdit()) {
// Everything ok
} else {
register_error(elgg_echo('noaccess'));
forward(REFERER);
}
} else {
$entity = new ElggChat();
$entity->subtype = 'chat';
$entity->access_id = ACCESS_LOGGED_IN;
}
$entity->title = $title;
if ($entity->save()) {
elgg_clear_sticky_form('chat');
} else {
register_error(elgg_echo('chat:error:cannot_save'));
forward(REFERER);
}
$user = elgg_get_logged_in_user_entity();
// Add user itself if missing
if (!in_array($user->getGUID(), $members)) {
$members[] = $user->getGUID();
}