class Job(db.Model):
__tablename__ = 'jobs'
id = db.Column(db.Integer, primary_key=True)
name = db.Column(db.String())
source1 = db.Column(db.String())
source2 = db.Column(db.String())
selectedFields = db.Column(JSON)
outputFileName = db.Column(db.String(), unique=True)
creator = db.Column(
db.Integer,
db.ForeignKey('users.id')) # ForeignKey - сязывает Job и User
creationDate = db.Column(db.DateTime)
metric = db.Column(db.String())
__table_args__ = (UniqueConstraint('creator',
'source1',
'source2',
name='unique_creator_with_sources'), )
def __init__(self,
name,
source1,
source2,
selected_fields,
output_file_name,
metric,
creator,
creation_date=None):
self.name = name
self.source1 = source1
self.source2 = source2
self.selectedFields = selected_fields
self.outputFileName = output_file_name
self.metric = metric
self.creator = creator
if creation_date:
self.creationDate = creation_date
else:
self.creationDate = datetime.utcnow()
def __repr__(self):
return '<Job: "{}">'.format(self.name)
def to_dict(self):
job_dict = dict(self.__dict__)
job_dict.pop('_sa_instance_state', None)
job_dict['creationDate'] = job_dict['creationDate'].isoformat()
return job_dict
def save(self):
db.session.add(self)
db.session.commit()
def delete(self):
db.session.delete(self)
db.session.commit()
class MatchedEntities(db.Model):
__tablename__ = 'matched_entities'
id = db.Column(db.Integer, primary_key=True, autoincrement=True)
entity1_id = db.Column(db.Integer,
db.ForeignKey('entities.id', ondelete='CASCADE'),
primary_key=True)
entity2_id = db.Column(db.Integer,
db.ForeignKey('entities.id', ondelete='CASCADE'),
primary_key=True)
jobId = db.Column(db.Integer, db.ForeignKey('jobs.id', ondelete='CASCADE'))
__table_args__ = (UniqueConstraint('entity1_id',
'entity2_id',
'jobId',
name='unique_matched_entities'), )
def __init__(self, entity1_id, entity2_id, job_id):
self.entity1_id = entity1_id
self.entity2_id = entity2_id
self.jobId = job_id
def __repr__(self):
return '<Matched Entities: {}, {}>'.format(self.entity1_id,
self.entity2_id)
def to_dict(self):
entity_dict = dict(self.__dict__)
entity_dict.pop('_sa_instance_state', None)
return entity_dict
def save(self):
db.session.add(self)
db.session.commit()
def delete(self):
db.session.delete(self)
db.session.commit()
class Entity(db.Model):
__tablename__ = 'entities'
id = db.Column(db.Integer, primary_key=True)
jobId = db.Column(db.Integer, db.ForeignKey('jobs.id', ondelete='CASCADE'))
isFirstSource = db.Column(db.Boolean)
name = db.Column(db.String())
otherFields = db.Column(JSON)
isMatched = db.Column(db.Boolean, default=False)
__table_args__ = (UniqueConstraint('jobId',
'isFirstSource',
'name',
name='unique_entity_in_job'), )
def __init__(self, job_id, is_first_source, name, other_fields):
self.jobId = job_id
self.isFirstSource = is_first_source
self.name = name
self.otherFields = other_fields
def __repr__(self):
return '<Entity: "{}">'.format(self.name)
def to_dict(self):
entity_dict = dict(self.__dict__)
entity_dict.pop('_sa_instance_state', None)
return entity_dict
def set_as_matched(self):
self.isMatched = True
db.session.commit()
def save(self):
db.session.add(self)
db.session.commit()
def delete(self):
db.session.delete(self)
db.session.commit()