SW/panel_admin/includes/film_dao.php

<?php
	require_once($prefix.'assets/php/dao.php');
	include_once('film_dto.php');

    class Film_DAO extends DAO {

		//Constructor:
        function __construct($bd_name){
			parent::__construct($bd_name);
        }

		//Methods:

        //Create a new Session.
		public function createFilm($id, $tittle, $duration, $language){

			$sql = sprintf( "INSERT INTO film( $id, $tittle, $duration, $language) 
								VALUES ( '%d', '%s', '%d', '%s')", 
									$id, $tittle, $duration, $language);

			return $sql;
		}

		//Returns a query to get the film's data.
		public function FilmData($id){
			$sql = sprintf( "SELECT * FROM film WHERE id = '%d'", $id );
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}
		
	    //Returns a query to get All the films.
		public function allFilmData(){
			$sql = sprintf( "SELECT * FROM film ");
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}

		//Returns a query to get all films tittles.
		public function tittleFilmData(){
			$sql = sprintf( "SELECT DISTINCT tittle FROM film ");
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}

		//Returns a query to get all films descriptions.
		public function descriptionFilmData(){
			$sql = sprintf( "SELECT description FROM film ");
			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}

		/*
		public function addFilm($films) {
			$resul =  mysqli_query($this->mysqli, $this->createFilm($film.getId(), $film.getTittle(), $film.getDuration(), $film.getLanguage(), $film.getDescription())) or die ('Error into query database');
			return $resul;
		}
		*/

		//Deleted film by "id".
		public function deleteFilm($id){
			$sql = sprintf( "DELETE FROM film WHERE film.id = '%d' ;",$id);

			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}
		

		public function editFilm($id, $tittle, $duration, $language,$description){
			$sql = sprintf( "UPDATE film SET tittle = '%s' , duration = '%d', language ='%s' , description ='%s'
								WHERE film.id = '%d';", 
									$tittle, $duration, $language, $description, $id);

			$resul = mysqli_query($this->mysqli, $sql) or die ('Error into query database');

			return $resul;
		}
	    
		//Create a new film Data Transfer Object.
		public function loadFilm($id, $tittle, $duration, $language){
			return new FilmDTO( $id, $tittle, $duration, $language);
		}
	    	
    }

?>