def get(self):
        # preparing query
        status = request.args.getlist("status")

        allPets = []
        for stat in status:
            if (not Util._isValidStatus(stat)):
                return app.config["INVALID_STATUS"], 400
            pets = Pet.objects(status=stat)
            allPets.extend(pets)

        # prepare result for response
        petsList = []
        for pet in allPets:
            pet = Util._formatPetToJson(pet)
            petsList.append(pet)

        return petsList, 200
        pass