def get_user_by_email(cls, email):
"""
Returns user object.
:return:
user: object
"""
query = "SELECT user_id FROM users WHERE mail=?"
values = (email, )
user_id = DB.execute_select_query(query, values)[0][0]
return cls.create_user(user_id)
def is_user_with_email_in_user_list(cls, email):
"""checks that is user with given email in database"""
query = "SELECT * FROM users WHERE mail=?"
values = (email, )
user_from_db = DB.execute_select_query(query, values)
return bool(user_from_db)