ldc-doux/app/Http/Requests/StoreGammeRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Str;

class StoreGammeRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        $this->merge([
            'slug' => Str::slug($this->title),
            'parent_gamme_id' => $this->parent_gamme_id === '0' ? null : $this->parent_gamme_id,
        ]);

        return auth()->check();
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            'parent_gamme_id' => 'sometimes|nullable|exists:gammes,id',
            'title' => 'required|string|max:255',
            'slug' => 'required|unique:gammes',
            'text' => 'required|string|max:255',
            'color' => 'sometimes',
            'picture' => 'required|image|mimes:jpeg,png,jpg|max:1024|dimensions:width=575,height=375',
            'alt_text_picture' => 'required|string|max:255',
            'banner' => 'required|image|mimes:jpeg,png,jpg|max:2048|dimensions:width=1920,height=568',
            'alt_text_banner' => 'required|string|max:255',
        ];
    }

    /**
     * Get custom messages for validator errors.
     *
     * @return array
     */
    public function messages()
    {
        return [];
    }

    /**
     * Get custom attributes for validator errors.
     *
     * @return array
     */
    public function attributes()
    {
        return [
            'slug' => trans('Nom')
        ];
    }
}