strprfcrm/app/Http/Requests/StoreContractRequest.php

<?php

namespace App\Http\Requests;

use Illuminate\Foundation\Http\FormRequest;

class StoreContractRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return hasRole('admin');
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules(): array
    {
        return [
            'contract_number'   => 'required|string',
            'contract_date'     => 'required|date',
            'year'              => 'required|numeric|min:2000',
        ];
    }
}