text: import datetime
  
  from customer_support.domain.models import Complaint
  
  
  class ComplaintService:
  
      def find(self):
          complaints = [
              Complaint(id=666, mobile=666666666, barcode=8400000000017, description='Description',
                        registration_date=datetime.datetime.now()),
              Complaint(id=666, mobile=666666666, barcode=8400000000017, description='Description',
                        registration_date=datetime.datetime.now()),
              Complaint(id=666, mobile=666666666, barcode=8400000000017, description='Description',
                        registration_date=datetime.datetime.now()),
          ]
          return complaints
  
      def create(self, complaint: Complaint):
          return complaint
  
      def read(self, _id: int):
          return Complaint(id=_id, mobile=666666666, barcode=8400000000017, description='Description',
                           registration_date=datetime.datetime.now())
  
      def update(self, _id: int, complaint: Complaint):
          print("PUT " + str(_id))
          return complaint
  
      def delete(self, _id: int):
          print("DELETE " + str(_id))
          return None
  
  
  service = ComplaintService()
  
  