<?php

namespace App\Models\Legal;

use App\Models\BaseModel;
use Illuminate\Database\Eloquent\Factories\HasFactory;

/**
 * Class Song
 * @package App\Models\Legal
 */
class Song extends BaseModel
{
    use HasFactory;

    /**
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function contractDetail()
    {
        return $this->belongsToMany(ContractDetail::class, 'contract_song', 'song_id', 'contract_detail_id');
    }

    /**
     * @return \Illuminate\Database\Eloquent\Relations\HasOne
     */
    public function cover()
    {
        return $this->hasOne(SongFile::class, 'song_id')->where('type', 4);
    }
}