calcioa5/app/Team.php

<?php

namespace App;
use App\CalendarGame;

use Illuminate\Database\Eloquent\Model;

class Team extends Model
{

    protected $fillable = [
        'name',
        'penality',
        'excluded',
        'day',
        'type',
        'season_id'
    ];

    function getCalendar()
    {
        $game = CalendarGame::where('home_team_id', '=', $this->id)->first();
        $calendar = Calendar::where('id', '=', @$game->calendar_id)->first();
        return $calendar;
    }

    public function season()
    {
        return $this->belongsTo('App\Season');
    }

}