<?php
class Album extends DBObject implements JsonSerializable {
	public $Images=array();

	public function __construct($id=0,$forceUrl=false) {
		$repo=new ImageRepository();

		$field="album_id";
		if ($forceUrl || !is_numeric($id))
			$field="album_url";
		parent::__construct("albums", $field, $id);

		$this->Images=$repo->GetImagesByAlbum($this->AlbumId);
	}

	public function Save() {
		if (!isset($this->AlbumUrl) || $this->AlbumUrl==null || $this->AlbumUrl=="")
			$this->AlbumUrl=Utils::MakeUniqueURL("albums", "album_url", $this->AlbumTitle);
		parent::Save();
	}

	public function jsonSerialize() {
		$obj= parent::jsonSerialize();
		$obj->Images=$this->Images;
		return $obj;
	}
}