def add_user(dict_to_insert):
postgres = SESSION()
try:
postgres.add(UserInfo(**dict_to_insert))
postgres.commit()
except Exception as e:
# logger
postgres.rollback()
print(e)
finally:
postgres.close()
def add_notification(user, container):
postgres = SESSION()
try:
postgres.add(UserContainer(user_id=user, cont_id=container))
postgres.commit()
except Exception as e:
# logger
postgres.rollback()
print(e)
finally:
postgres.close()
def add_state(dict_to_insert):
postgres = SESSION()
dict_to_insert['received_time'] = str(datetime.now())
cont_id = dict_to_insert.get('cont_id')
try:
REDIS.hmset(cont_id, dict_to_insert)
REDIS.expire(cont_id, 864000) # key expires in 10days
postgres.add(TelemetryState(**dict_to_insert))
postgres.commit()
except Exception as e:
# logger
postgres.rollback()
print(e)
finally:
postgres.close()
def get_state(cont_id):
postgres = SESSION()
try:
cont_info = REDIS.hgetall(cont_id)
if cont_info == {}:
cont_info = postgres.query(TelemetryState).filter(
TelemetryState.cont_id == cont_id,
TelemetryState.id == postgres.query(
func.max(TelemetryState.id))
).first()
cont_info['received_time'] = datetime.strptime(
cont_info['received_time'], '%Y-%m-%d %H:%M:%S.%f')
REDIS.hmset(cont_info['cont_id'], cont_info)
REDIS.expire(cont_id, 864000) # key expires in 10days
except Exception as e:
# logger
postgres.rollback()
print(e)
finally:
postgres.close()
return cont_info # mb {} or None