phpvms/app/Models/Rank.php

<?php

namespace App\Models;

/**
 * Class Ranking
 * @package App\Models
 */
class Rank extends BaseModel
{

    public $table = 'ranks';

    public $fillable = [
        'name',
        'hours',
        'auto_approve_acars',
        'auto_approve_manual',
        'auto_promote'
    ];

    /**
     * The attributes that should be casted to native types.
     *
     * @var array
     */
    protected $casts = [
        'name' => 'string',
        'hours' => 'integer',
        'auto_approve_acars' => 'bool',
        'auto_approve_manual' => 'bool',
        'auto_promote' => 'bool',
    ];

    /**
     * Validation rules
     *
     * @var array
     */
    public static $rules = [
        'name' => 'required|unique:ranks',
        'hours' => 'required',
    ];

    public function subfleets() {
        return $this->belongsToMany(
            'App\Models\Subfleet',
            'subfleet_rank'
        )->withPivot('acars_pay', 'manual_pay');
    }
}