def update_text(self, statement):
"""
Modifies an entry in the database.
Creates an entry if one does not exist.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
if statement is not None:
session = self.Session()
record = None
if hasattr(statement, 'id') and statement.id is not None:
record = session.query(Statement).get(statement.id)
else:
record = session.query(Statement).filter(
Statement.text == statement.text,
Statement.conversation == statement.conversation,
).first()
# Create a new statement entry if one does not already exist
if not record:
record = Statement(text=statement.text,
conversation=statement.conversation,
persona=statement.persona)
# Update the response value
record.text = statement.text
record.in_response_to = statement.in_response_to
record.created_at = statement.created_at
record.search_text = self.tagger.get_text_index_string(
statement.text)
if statement.in_response_to:
record.search_in_response_to = self.tagger.get_text_index_string(
statement.in_response_to)
for tag_name in statement.get_tags():
tag = session.query(Tag).filter_by(name=tag_name).first()
if not tag:
# Create the record
tag = Tag(name=tag_name)
record.tags.append(tag)
session.add(record)
self._session_finish(session)
def create_many_texts(self, statements):
"""
Creates multiple statement entries.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
session = self.Session()
create_statements = []
create_tags = {}
for statement in statements:
statement_data = statement.serialize()
tag_data = statement_data.pop('tags', [])
statement_model_object = Statement(**statement_data)
if not statement.search_text:
statement_model_object.search_text = self.tagger.get_text_index_string(
statement.text)
if not statement.search_in_response_to and statement.in_response_to:
statement_model_object.search_in_response_to = self.tagger.get_text_index_string(
statement.in_response_to)
new_tags = set(tag_data) - set(create_tags.keys())
if new_tags:
existing_tags = session.query(Tag).filter(
Tag.name.in_(new_tags))
for existing_tag in existing_tags:
create_tags[existing_tag.name] = existing_tag
for tag_name in tag_data:
if tag_name in create_tags:
tag = create_tags[tag_name]
else:
# Create the tag if it does not exist
tag = Tag(name=tag_name)
create_tags[tag_name] = tag
statement_model_object.tags.append(tag)
create_statements.append(statement_model_object)
session.add_all(create_statements)
session.commit()
def create_text(self, **kwargs):
"""
Creates a new statement matching the keyword arguments specified.
Returns the created statement.
"""
Statement = self.get_model('statement')
Tag = self.get_model('tag')
session = self.Session()
tags = set(kwargs.pop('tags', []))
if 'search_text' not in kwargs:
kwargs['search_text'] = self.tagger.get_text_index_string(
kwargs['text'])
if 'search_in_response_to' not in kwargs:
in_response_to = kwargs.get('in_response_to')
if in_response_to:
kwargs[
'search_in_response_to'] = self.tagger.get_text_index_string(
in_response_to)
statement = Statement(**kwargs)
for tag_name in tags:
tag = session.query(Tag).filter_by(name=tag_name).first()
if not tag:
# Create the tag
tag = Tag(name=tag_name)
statement.tags.append(tag)
session.add(statement)
session.flush()
session.refresh(statement)
statement_object = self.statement_model_to_object(statement)
self._session_finish(session)
return statement_object