Cetaklabel/Http/Requests/DocumentDetail/StoreDocumentDetailRequest.php

<?php

    namespace Modules\Cetaklabel\Http\Requests\DocumentDetail;

    use Haruncpi\LaravelIdGenerator\IdGenerator;
    use Illuminate\Foundation\Http\FormRequest;
    use Illuminate\Http\Exceptions\HttpResponseException;
    use Illuminate\Validation\ValidationException;
    use Illuminate\Validation\Validator;
    use Modules\Cetaklabel\Entities\Document;
    use Modules\Cetaklabel\Entities\SpecialCode;
    use Symfony\Component\HttpFoundation\JsonResponse;

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

        /**
         * Get the validation rules that apply to the request.
         *
         * @return array<string, \Illuminate\Contracts\Validation\Rule|array|string>
         */
        public function rules()
        : array
        {
            return [
                'document_id'      => 'required|integer|exists:documents,id',
                'kode'             => 'required|string|unique:document_details,kode',
                'document_type_id' => 'required|string|exists:document_type,document_type_id',
                'special_code_id'  => 'required|integer|exists:special_codes,id',
                'nama_nasabah'     => 'nullable|string',
                'no_rekening'      => 'nullable|string',
                'no_cif'           => 'nullable|string',
                'group'            => 'nullable|string',
                'tanggal_dokumen'  => 'nullable|date',
                'tanggal_upload'   => 'nullable|date',
                'nomor_dokumen'    => 'nullable|string',
                'perihal'          => 'nullable|string',
                'kode_cabang'      => 'nullable|string',
                'jumlah_halaman'   => 'nullable|integer',
                'custom_field_1'   => 'nullable|string',
                'custom_field_2'   => 'nullable|string',
                'custom_field_3'   => 'nullable|string',
                'custom_field_4'   => 'nullable|string',
                'status'           => 'nullable|string',
                'file'             => 'nullable|string',
                'no_urut'          => 'nullable|integer',
                'keterangan'       => 'nullable|string',
                'status'           => 'nullable|string',
                'kategori'         => 'nullable|string',
            ];
        }

        /**
         * Configure the validator instance.
         */
        public function withValidator(Validator $validator)
        : void
        {
            $validator->after(function (Validator $validator) {
                if ($validator->errors()->any()) {
                    $error = json_decode($validator->errors()->toJson(), true);
                    foreach ($error as $key => $value) {
                        flash($value[0]);
                    }

                    return redirect()->route('document.index')->with('error', 'Document created failed.');
                }
            });
        }

        protected function failedValidation(Validator|\Illuminate\Contracts\Validation\Validator $validator)
        : JsonResponse
        {
            $errors = (new ValidationException($validator))->errors();

            throw new HttpResponseException(response()->json([
                'success'  => false,
                'errors'   => $errors,
                'messages' => 'Document created failed.'
            ], JsonResponse::HTTP_UNPROCESSABLE_ENTITY));
        }

        protected function prepareForValidation()
        : void
        {

            $document     = Document::find($this->document_id);
            $special_code = SpecialCode::find($this->special_code_id);

            $prefix = $document->kode;
            $suffix = $special_code->kode;

            $kode = IdGenerator::generate([
                'table'  => 'document_details',
                'field'  => 'kode',
                'length' => 13,
                'prefix' => $prefix
            ]);

            $this->merge([
                'kode'    => $kode . $suffix,
                'no_urut' => substr($kode, -3, 3)
            ]);
        }
    }