validate([ 'name' => ['required'], ]); return District::create($request->validated()); } public function show(District $district) { return $district; } public function update(Request $request, District $district) { $request->validate([ 'name' => ['required'], ]); $district->update($request->validated()); return $district; } public function destroy(District $district) { $district->delete(); return response()->json(); } }