SAe-PHP-S2/application/models/Model_music.php

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Model_music extends CI_Model {
    public function __construct(){
        $this->load->database();
    }

    public function getAlbums($genre = '', $order = 'asc', $artist = '', $query = '') {
        $this->db->select('album.name, album.id, year, artist.name as artistName, genre.name as genreName, jpeg');
        $this->db->from('album');
        $this->db->join('artist', 'album.artistid = artist.id');
        $this->db->join('genre', 'genre.id = album.genreid');
        $this->db->join('cover', 'cover.id = album.coverid');

        if(!empty($genre)){
            $this->db->where('genre.name', $genre);
        }

		if(!empty($query)){
            $this->db->where('album.name', $query);
        }

        if(!empty($artist)){
            $this->db->where('artist.name', $artist);
        }

        if($order == 'asc' || $order == 'desc'){
            $this->db->order_by('album.name', $order);
        }

        $query = $this->db->get();
        return $query->result();
    }

    public function researchtype(){
        $this->db->select('name');
        $this->db->from('genre');
        $query = $this->db->get();
        return $query->result();
    }

    public function nameArtist(){
        $this->db->select('name');
        $this->db->from('artist');
        $query = $this->db->get();
        return $query->result();
    }

    public function getArtists($genre = '', $order = '') {
        $this->db->select('artist.name as artistName, artist.id as artistId');
        $this->db->from('artist');
        $this->db->join('album', 'album.artistid = artist.id');
        $this->db->join('genre', 'genre.id = album.genreid');
        $this->db->join('cover', 'cover.id = album.coverid');

        $this->db->distinct("artist.name");

        if(!empty($genre)){
            $this->db->where('genre.name', $genre);
        }

        if($order == 'asc' || $order == 'desc'){
            $this->db->order_by('artist.name',$order );
        }

        $query = $this->db->get();
        return $query->result();
    }

    public function getMusics($genre = '', $order = '', $artist = '') {
        $this->db->select('album.name, album.id, year, artist.name as artistName, genre.name as genreName, jpeg, song.name as trackName, track.id as trackId');
        $this->db->from('track');
        $this->db->join('album', 'track.albumId = album.id');
        $this->db->join('song', 'song.id = track.songId');
        $this->db->join('artist', 'album.artistid = artist.id');
        $this->db->join('genre', 'genre.id = album.genreid');
        $this->db->join('cover', 'cover.id = album.coverid');
        $this->db->limit(100);

        if(!empty($genre)){
            $this->db->where('genre.name', $genre);
        }

        if(!empty($artist)){
            $this->db->where('artist.name', $artist);
        }

        if($order == 'asc' || $order == 'desc'){
            $this->db->order_by('song.name',$order );
        }

        $query = $this->db->get();
        return $query->result();
    }

    // Suppression de la deuxième méthode researchtype

    public function research(){
        $query = $this->db->query();
    }
}