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application.php
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<?php
/**
* Application class
*
* Zed. The immensity of stars. The HyperShip. The people.
*
* (c) 2010, Dereckson, some rights reserved.
* Released under BSD license.
*
* 0.1 2010-02-10 02:40 Autogenerated by Pluton Scaffolding
* Some API bits
*
* @package Zed
* @subpackage Model
* @author Sébastien Santoro aka Dereckson <dereckson@espace-win.org>
* @copyright 2010 Sébastien Santoro aka Dereckson
* @license http://www.opensource.org/licenses/bsd-license.php BSD
* @version 0.1
* @link http://scherzo.dereckson.be/doc/zed
* @link http://zed.dereckson.be/
* @filesource
*/
require_once('perso.php');
/**
* Application class
*
* This class maps the Application table.
*
* This class also provides methods application API helper methods, to generate
* an application user key or to gets the perso ID from such a key.
*/
class Application {
public $id;
public $code;
public $name;
public $api_key;
public $description;
/**
* Initializes a new instance
*
* @param int $id the primary key
*/
function __construct ($id = null) {
if ($id) {
$this->id = $id;
$this->load_from_database();
}
}
/**
* Loads the object Application (ie fill the properties) from the $_POST array
*/
function load_from_form () {
if (array_key_exists('code', $_POST)) $this->code = $_POST['code'];
if (array_key_exists('name', $_POST)) $this->name = $_POST['name'];
if (array_key_exists('api_key', $_POST)) $this->api_key = $_POST['api_key'];
if (array_key_exists('description', $_POST)) $this->description = $_POST['description'];
}
/**
* Loads the object Application (ie fill the properties) from the database
*/
function load_from_database () {
global $db;
$id = $db->sql_escape($this->id);
$sql = "SELECT * FROM applications WHERE application_id = '" . $id . "'";
if ( !($result = $db->sql_query($sql)) ) message_die(SQL_ERROR, "Unable to query applications", '', __LINE__, __FILE__, $sql);
if (!$row = $db->sql_fetchrow($result)) {
$this->lastError = "Application unkwown: " . $this->id;
return false;
}
$this->code = $row['application_code'];
$this->name = $row['application_name'];
$this->api_key = $row['api_key'];
$this->description = $row['application_description'];
return true;
}
/**
* Saves to database
*/
function save_to_database () {
global $db;
$id = $this->id ? "'" . $db->sql_escape($this->id) . "'" : 'NULL';
$code = $db->sql_escape($this->code);
$name = $db->sql_escape($this->name);
$api_key = $db->sql_escape($this->api_key);
$description = $db->sql_escape($this->description);
//Updates or inserts
$sql = "REPLACE INTO applications (`application_id`, `application_code`, `application_name`, `api_key`, `application_description`) VALUES ($id, '$code', '$name', '$api_key', '$description')";
if (!$db->sql_query($sql)) {
message_die(SQL_ERROR, "Unable to save", '', __LINE__, __FILE__, $sql);
}
if (!$id) {
//Gets new record id value
$this->id = $db->sql_nextid();
}
}
/*
* ----------------------------------------------------------------------- *
* Application API methods
* ----------------------------------------------------------------------- *
*/
/**
* Loads an Application object from its API key
*
* @param string Application API key GUID
* @return Application the application matching the API key
*/
static function from_api_key ($key) {
global $db;
$key = $db->sql_escape($key);
$sql = "SELECT * FROM applications WHERE api_key = '" . $key . "'";
if ( !($result = $db->sql_query($sql)) ) message_die(SQL_ERROR, "Unable to query applications", '', __LINE__, __FILE__, $sql);
if (!$row = $db->sql_fetchrow($result))
return null;
//Fills app information
$app = new Application();
$app->id = $row['application_id'];
$app->code = $row['application_code'];
$app->name = $row['application_name'];
$app->api_key = $row['api_key'];
$app->description = $row['application_description'];
return $app;
}
/**
* Gets the perso ID from an application user key
*
* @param string $userkey User application key GUID
* @return int the perso ID
*/
function get_perso_id ($userkey) {
global $db;
$id = $db->sql_escape($this->id);
$userkey = $db->sql_escape($userkey);
$sql = "SELECT perso_id FROM applications_userkeys WHERE api_userkey = '$userkey' AND application_id = '$id'";
return $db->sql_query_express($sql);
}
/**
* Generates a key for the specified perso and current application.
*
* @param int $perso_id The perso ID
* @param string $userkey User application key GUID (optionnal)
* @return Application User application key GUID
*/
function generate_userkey ($perso_id = null, $userkey = null) {
global $CurrentPerso;
//Ensures we've a key and someone to be assigned it
if ($userkey === null) $userkey = new_guid();
$perso = ($perso_id === null) ? $CurrentPerso : Perso::get($perso_id);
//Saves key
$perso->set_flag('api.app.keys.' . $this->id, $userkey);
//Returns it
return $userkey;
}
}
?>

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