<?php 

class Artista{
	public $artista_id = null;
	public $nombre = null;
	public $descripcion = null;

	public function __construct( $data=array() ) {
		if ( isset( $data["artista_id"])) $this->artista_id = $data["artista_id"];
		if ( isset( $data["nombre"])) $this->nombre = $data["nombre"];
		if ( isset( $data["descripcion"])) $this->descripcion = $data["descripcion"];
	}

	public static function getById( $artista_id ) {
	    $result = ConnectionFactory::getFactory()->getByArray("artista", array("artista_id"), array($artista_id), "Artista");
	    return $result["object"];
	}

	public static function getList($page) {
	    $rows = getAdminCookieValue("ARTISTAS_PER_PAGE");
	    if (!$rows || !ctype_digit($rows)) $rows = DEFAULT_ROWS;
	    $limit1 = ($page-1)*$rows;
	    $limit2 = $rows;
	    $result = ConnectionFactory::getFactory()->getList("artista", "Artista", " $limit1,$limit2 ", null, null );
	    return (array("results" => $result["list"], "totalRows" => $result["totalRows"]));
	}

	public static function getAllList() {
	    $result = ConnectionFactory::getFactory()->getList("artista", "Artista", null, null, null );
	    return (array("results" => $result["list"], "totalRows" => $result["totalRows"]));
	}

	public function delete() {
	    $result = ConnectionFactory::getFactory()->delete("artista", "artista_id", $this->artista_id);
	}

	public function validateBeforeInsert(){
		$error = false;
		if ($this->nombre == '' ) $error[] = 'ARTISTA_ERROR_1';
		return $error;
	}

	public function insert() {
	    $error = $this->validateBeforeInsert();
		$id = "0";
	    if (!$error){ 
			$fields = array("nombre","descripcion");
			$result = ConnectionFactory::getFactory()->insert($this, "artista", $fields);
			if ($result["error"]) $error = array($result["error"]);
			$id = $result["id"]; 
		}
		return array("error" => $error, "id" => $id);
	}

	public function update() {
		if ( is_null( $this->artista_id ) ) trigger_error ( "Update error", E_USER_ERROR );
		$error = $this->validateBeforeInsert();
	    if (!$error){ 
			$fields = array("nombre","descripcion");
			$error = ConnectionFactory::getFactory()->update($this, "artista", $fields, "artista_id");
			if ($error) $error = array($error);
		}
	    return array("error" => $error, "id" => $this->artista_id);
	}
}
?>