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wordpress-slideshow.class.php
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wordpress-slideshow.class.php
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<?php
class WordpressSlideshow{
public $id;
public $slideshow_name;
protected $_slides;
protected function get_slides(){
if(empty($_slides)){
$_slides = WordpressSlideshow_Slide::findBySlideshow($this);
}
return $_slides;
}
function __construct($slideshow_name,$id=null){
$this->id = $id;
$this->slideshow_name = $slideshow_name;
}
/* PERSISTANCE MANAGEMENT */
/**
* Finds slideshow with given id
* @param $slideshow_id The id of the slideshow
* @return WordpressSlideshow Found slideshow, or null if none is found
*/
public static function find($slideshow_id){
global $wpdb;
$query = $wpdb->prepare('SELECT * FROM '.WORDPRESS_SLIDESHOW_TABLE.' WHERE ID=%s',$slideshow_id);
$results = $wpdb->get_results($query);
if(is_array($results)){
$result = $results[0];
return new WordpressSlideshow($result->slideshow_name,$result->ID);
}
else{
return null;
}
}
public static function findAll(){
global $wpdb;
$query = $wpdb->prepare('SELECT * FROM '.WORDPRESS_SLIDESHOW_TABLE);
$results = $wpdb->get_results($query);
$list = array();
if($results){
foreach($results as $result){
$slideshow = new WordpressSlideshow($result->slideshow_name,$result->ID);
$list[$slideshow->id] = $slideshow;
}
}
return $list;
}
public function save(){
if($this->id == null){
$this->insert();
}
else{
$this->update();
}
}
public function delete(){
global $wpdb;
if(!empty($this->id)){
$query = $wpdb->prepare('DELETE FROM '.WORDPRESS_SLIDESHOW_TABLE.' WHERE ID=%s',$this->id);
$result = $wpdb->query($query);
if(!$result){
throw new Exception(__('An error occured during the slideshow deletion','wordpress-slideshow'));
}
$this->id = null;
}
}
private function insert(){
global $wpdb;
$query = $wpdb->prepare('INSERT INTO '.WORDPRESS_SLIDESHOW_TABLE.' (slideshow_name) VALUES (%s);',$this->slideshow_name);
$result = $wpdb->query($query);
if(!$result){
$error = $wpdb->last_error;
if(strstr($error,'UNIQUE')){
$message = __('The slideshow name must be unique','wordpress-slideshow');
}
else{
$message = __('An error occured during the slideshow creation','wordpress-slideshow');
}
throw new Exception($message);
}
$this->id = $wpdb->insert_id;
}
private function update(){
global $wpdb;
$query = $wpdb->prepare('UPDATE '.WORDPRESS_SLIDESHOW_TABLE.' SET slideshow_name = %s WHERE ID=%s;',$this->slideshow_name,$this->id);
$result = $wpdb->query($query);
if(!$result){
$error = $wpdb->last_error;
if(strstr($error,'UNIQUE')){
$message = __('The slideshow name must be unique','wordpress-slideshow');
}
else{
$message = __('An error occured during the slideshow update','wordpress-slideshow');
}
throw new Exception($message);
}
}
public function __get($name){
if($name == 'slides'){
return $this->get_slides();
}
}
}
?>