def perform_mutation(self, info, input):
user_exists = User.objects.filter(email=input['email']).exists()
if not user_exists:
if len(input['password']) >= 8:
user = User.objects.create_user(input['email'], input['password'])
token = get_token(user)
update_last_login(None, user)
return RegisterUser(token=token, user=user)
else:
raise ValidationError(form_errors={'password': '******'})
else:
raise ValidationError(form_errors={'email': 'This email is already taken.'})
def get_country(country_id, field_name='country'):
country = None
try:
country = Country.objects.get(id=country_id)
return country
except ObjectDoesNotExist:
raise ValidationError(form_errors={field_name: 'Country not found'})
def get_trip(trip_id, field_name='trip'):
try:
return Trip.objects.get(id=trip_id)
except ObjectDoesNotExist:
raise ValidationError(form_errors={field_name: 'Trip not found'})
def get_category_in_trip(category_id, trip_id, field_name='category'):
try:
return TripCategory.objects.get(id=category_id, trip_id=trip_id)
except ObjectDoesNotExist:
raise ValidationError(form_errors={field_name: 'Category not found'})
def get_expense_in_trip(expense_id, trip_id, field_name='expense'):
try:
return Expense.objects.get(id=expense_id, trip_id=trip_id)
except ObjectDoesNotExist:
raise ValidationError(form_errors={field_name: 'Expense not found'})
def get_currency(currency_id, field_name='currency'):
try:
currency = Currency.objects.get(id=currency_id)
return currency
except ObjectDoesNotExist:
raise ValidationError(form_errors={field_name: 'Currency not found'})
def mutate(cls, root, info, **data):
try:
return cls.perform_mutation(root, info, **data)
except DjangoValidationError as django_validation_error:
raise ValidationError(
form_errors=django_validation_error.message_dict)