def _merge_relationship(self, relationship_type, from_person, to_person):
relationship = Relationship.type(relationship_type.name)
tx = self._graph.begin()
from_node = Node(Person.label(), **from_person.as_dict())
to_node = Node(Person.label(), **to_person.as_dict())
new_relationship = relationship(from_node, to_node)
tx.merge(new_relationship, Person.label(), Person.key())
tx.push(new_relationship)
tx.commit()
def update_or_create(self, person_input_dict):
email_validation_result = PersonInputValidator.validate_email(
**person_input_dict)
if email_validation_result == ValidationResult.ABSENT or \
email_validation_result == ValidationResult.INVALID:
self._logger.warning(
"valid email is required to insert or update person")
raise ValueError(
"valid email is required to insert or update person")
birthday_validation_result = PersonInputValidator.validate_birthday(
**person_input_dict)
if not birthday_validation_result.ABSENT and birthday_validation_result.INVALID:
self._logger.warning("provided birthday must be valid iso date")
raise ValueError("provided birthday must be valid iso date")
person = self.find(person_input_dict['email'])
property_dict = {}
if not person:
properties_validation = PersonInputValidator.has_all_properties(
**person_input_dict)
if len(properties_validation) > 0:
properties = Person.all_properties()
self._logger.warning("new person requires all properties: " +
",".join(properties))
raise ValueError("new person requires all properties: " +
",".join(properties))
else:
property_dict = person.as_dict()
for key, value in person_input_dict.items():
property_dict[key] = value
tx = self._graph.begin()
node = Node(Person.label(), **property_dict)
tx.merge(node, Person.label(), Person.key())
tx.push(node)
tx.commit()
return self.find(property_dict['email'])