ajax-update.php

<?php
/**
* Kaltura video client
* @package ElggKalturaVideo
* @license http://www.gnu.org/licenses/gpl.html GNU Public License version 3
* @author Ivan Vergés <ivan@microstudi.net>
* @copyright Ivan Vergés 2010
* @link http://microstudi.net/elgg/
**/

require_once(dirname(__FILE__) . "/kaltura/api_client/includes.php");

$access_id = get_input('access_id');
$update_plays = get_input('update_plays');
$delete_entry_id = get_input('delete_entry_id');
$video_id = get_input('id');
$collaborative = get_input('collaborative');

if (empty($access_id) && empty($update_plays) && empty($delete_entry_id) && empty($video_id) && empty($collaborative)) die;

if ($update_plays) {
	//update plays status
	try {
		$ob = kaltura_get_entity($update_plays);
		//open the kaltura list with admin privileges
		$kmodel = KalturaModel::getInstance();
		$entry = $kmodel->getEntry($update_plays);
		$metadata = kaltura_get_metadata($ob);
	} catch(Exception $e) {
		$error = $e->getMessage();
		if ($e->getCode() == 'ENTRY_ID_NOT_FOUND' && $metadata->kaltura_video_id) {
			//Delete the elgg object if the video not exists in kaltura
			$ob->delete();
			echo elgg_echo('kalturavideo:error:objectnotavailable');
			exit;
		}
		die; //silent dying?
	}

	if ($entry && $ob) {
		//show the number of plays
		echo $entry->plays;

		//if something goes wrong from now, we can obviate it

		//get the metadata for plays only
		$metadata = kaltura_get_metadata($ob);

		if ($metadata->kaltura_video_plays != $entry->plays) {
			$value = add_metastring($entry->plays);
			$name = add_metastring('kaltura_video_plays');

			//update manually the play number to avoid user access restrictions
			if ($value && $name) {
				//check the cache and delete the entry
				static $metabyname_memcache;
				if ((!$metabyname_memcache) && (is_memcache_available())) {
					$metabyname_memcache = new ElggMemcache('metabyname_memcache');
				}
				if ($metabyname_memcache) {
					$metabyname_memcache->delete($ob->getGUID() . ":$name");
				}

				//check if this metadata exists:
				if (get_data_row("SELECT * FROM {$CONFIG->dbprefix}metadata WHERE entity_guid=".$ob->getGUID()." AND name_id='$name'")) {
					//updating existing metadata
					$result = update_data("UPDATE {$CONFIG->dbprefix}metadata set value_id=$value where entity_guid=".$ob->getGUID()." and name_id=$name");
				} else {
					//creating the new metadata
					$result = insert_data("INSERT INTO {$CONFIG->dbprefix}metadata (entity_guid,name_id,value_id,value_type,owner_guid,access_id,time_created,enabled) VALUES (".$ob->getGUID().",$name,$value,'integer',".$ob->getOwner().",".$ob->access_id.",".time().",'yes')");
				}
			}
		}
	}
	exit;
}

gatekeeper();

if (!empty($delete_entry_id)) {
	$error = '';
	$code = '';

	$ob = kaltura_get_entity($delete_entry_id);
	$metadata = kaltura_get_metadata($ob);

	try {
		//check if belongs to this user (or is admin)
		if ($ob->canEdit()) {
			$kmodel = KalturaModel::getInstance();
			//open the kaltura list without admin privileges
			$entry = $kmodel->getEntry($delete_entry_id);
			if ($entry instanceof KalturaMixEntry) {
				//deleting media related
				//TODO: MAYBE should ask before do this!!!
				$list = $kmodel->listMixMediaEntries($delete_entry_id);
				//print_r($list);die;
				foreach($list as $subEntry) {
					$kmodel->deleteEntry($subEntry->id);
				}
				//Delete the mix
				$kmodel->deleteEntry($delete_entry_id);
				$ob = kaltura_get_entity($delete_entry_id);
				if ($ob) {
					$ob->delete();
				}
				echo str_replace("%ID%", $delete_entry_id, elgg_echo("kalturavideo:action:deleteok"));
			} else {
				$error = str_replace("%ID%", $delete_entry_id, elgg_echo("kalturavideo:action:deleteko"));
			}
		} else {
			$error = elgg_echo('kalturavideo:edit:notallowed');
		}
	} catch(Exception $e) {
		$code = $e->getCode();
		$error = $e->getMessage();
	}

	if ($code == 'ENTRY_ID_NOT_FOUND') {
		//we can delete the elgg object
		$ob = kaltura_get_entity($delete_entry_id);
		if ($ob) {
			$ob->delete();
		}
		echo str_replace("%ID%", $delete_entry_id, elgg_echo("kalturavideo:action:deleteok"));
	}

	if ($error) {
		echo $error;
	}
	//if fails, no matter, the video can be delete from index admin

	exit;
}

//change privacity status
$ob = kaltura_get_entity($video_id);
$metadata = kaltura_get_metadata($ob);

if ($ob->canEdit() && $metadata->kaltura_video_id == $video_id && in_array($collaborative, array('yes','no'))) {
	$entry = array('id' => $video_id);
	//Privacity Status
	$ob->kaltura_video_collaborative = ($collaborative == 'yes');
	if ($ob->save()) {
		system_message(str_replace("%1%", $video_id, elgg_echo("kalturavideo:text:collaborativechanged")));
	} else {
		register_error(str_replace("%1%", $video_id, elgg_echo("kalturavideo:text:collaborativenotchanged")));
	}
	exit;
}

//only this status allowed
$acc_arr = get_write_access_array();
//array('me','friends','thisgroup','loggedin','public')
if (!array_key_exists($access_id, $acc_arr)) {
	register_error(str_replace("%1%", $video_id, elgg_echo("kalturavideo:text:statusnotchanged")));
	exit;
}

if ($ob->canEdit() && $metadata->kaltura_video_id == $video_id) {
	//changes not allowed if not owner (or administrator)
	$ob->access_id = $access_id;
	if ($ob->save()) {
		system_message(str_replace("%2%", $video_id, str_replace("%1%", $acc_arr[$access_id], elgg_echo("kalturavideo:text:statuschanged"))));
	} else {
		register_error(str_replace("%1%", $video_id, elgg_echo("kalturavideo:text:statusnotchanged")));
	}
	exit;
} else {
	register_error(str_replace("%1%", $video_id, elgg_echo("kalturavideo:text:statusnotchanged")));
	exit;
}

?>