Laravel Model

Station.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;

class Station extends Model
{
    const TYPE_LARGEST = 0; // важнейшие станции
    const TYPE_MAIN = 1; // главные, узловые, конечные станции
    const TYPE_LINE = 2; // линейные станции
    const TYPE_PLATFORM = 3; // платформы, остановочные пункты
    const TYPE_CROSSING_POINT = 4; // разъезд
    const TYPE_POST = 5; // пост

    protected $table = 'stations';
    public $timestamps = false;

    protected $fillable = [
        'name',
        'type',
        'yandex_station_code',
        'schedule_made_at',
        'region_id',
        'settlement_id',
        'lat',
        'lng',
        'zoom',
        'require_line_in_name',
    ];

    protected $casts = [
        'require_line_in_name' => 'boolean',
        'schedule_made_at' => 'datetime',
    ];

    public function region()
    {
        return $this->belongsTo('App\Region', 'region_id', 'id');
    }

    public function hasSettlement()
    {
        return ! is_null($this->settlement_id);
    }

    public function settlement()
    {
        return $this->belongsTo('App\Settlement', 'settlement_id', 'id');
    }

    public function settlementName(){
        $name = null;
        if($this->hasSettlement()){
            $name = $this->settlement->name();
        }
        return $name;
    }

    public function lines()
    {
        return $this->belongsToMany('App\Line', 'line_station')
            ->withPivot('distance_marker');
    }

    public function schedule()
    {
        return $this->hasMany('App\Rasp', 'station_id', 'id');
    }

    public function latLng(){
        return [
            'lat' => $this->lat,
            'lng' => $this->lng,
        ];
    }

    public function name($line = true){
        $name = $this->name;

        if(true === $line && true === $this->require_line_in_name){
            $line = $this->lines()->first();

            if( ! is_null($line)){
                $name = $name.' ( '.$line->name().' )';
            }
        }

        return $name;
    }

    public function typeName(){
        switch ($this->type){
            case self::TYPE_LARGEST:
                return trans('main.large station');
                break;

            case \App\Station::TYPE_MAIN:
                return trans('main.main station');
                break;

            case \App\Station::TYPE_LINE:
                return trans('main.station');
                break;

            case \App\Station::TYPE_PLATFORM:
                return trans('main.platform');
                break;

            case \App\Station::TYPE_CROSSING_POINT:
                return trans('main.crossing point');
                break;

            case \App\Station::TYPE_POST:
                return trans('main.post station');
                break;
        }
    }

    public function hasRasp(){
        return ! is_null($this->yandex_station_code) &&
            mb_strlen($this->yandex_station_code) > 0 &&
            ! is_null($this->schedule_made_at);
    }
}