ldc-supportweb/app/Http/Requests/Bo/CreateMessage.php

<?php

namespace App\Http\Requests\Bo;

use App\Enums\MessageTypeEnum;
use App\Enums\Tickets\TicketFileTypeEnum;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rules\Enum;

class CreateMessage extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return boolean
     */
    public function authorize()
    {
        /** @var \App\Models\User|null */
        if (!($user = auth()->user())) {
            return false;
        }
        if (
            !$user->can('createPrivateMessage', $this->route()->ticket)
            && $this->is_private == MessageTypeEnum::private
        ) {
            return false;
        }
        return auth()->check() and $user->sites and ($user->isAdmin() or $user->sites->contains(
            $this->route()->ticket->site_id
        ));
    }

    /**
     * Prepare the data for validation.
     *
     * @return void
     */
    protected function prepareForValidation()
    {
        $this->merge([
            'subscribe' => $this->subscribe ? true : false,
            'type'      => $this->is_private ? MessageTypeEnum::private->value : MessageTypeEnum::public->value
        ]);
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        /** @var \App\Models\User */
        $user = auth()->user();
        return [
            'subscribe'     => 'required|boolean',
            'message'       => 'required|min:' . ($user->isAdmin() ? '5' : '20'),
            'file_message'  => ['sometimes', new Enum(TicketFileTypeEnum::class), 'max:2048'],
            'file_message2' => ['sometimes', new Enum(TicketFileTypeEnum::class), 'max:2048'],
            'file_message3' => ['sometimes', new Enum(TicketFileTypeEnum::class), 'max:2048'],
            'type'          => ['required', new Enum(MessageTypeEnum::class)]
        ];
    }
}