def get_log_entries(tank_id=None, timerange=None):
""" Get a list of LogEntry objects """
query = DBSession().query(LogEntry)
if tank_id is not None:
query = query.filter(LogEntry.tank_id == tank_id)
if timerange is not None:
if 'start' in timerange:
query = query.filter(LogEntry.entry_time >= timerange['start'])
if 'end' in timerange:
query = query.filter(LogEntry.entry_time <= timerange['end'])
return query.order_by(LogEntry.entry_time.asc()).all()
def get_measurements(tank_id=None, parameters=None, timerange=None):
""" Get a list of Measurements """
query = DBSession().query(Measurement)
if tank_id is not None:
query = query.filter(Measurement.tank_id == tank_id)
if parameters is not None:
query = query.filter(Measurement.measurement_type_id.in_(parameters))
if timerange is not None:
if 'start' in timerange:
query = query.filter(Measurement.measurement_time >= timerange['start'])
if 'end' in timerange:
query = query.filter(Measurement.measurement_time <= timerange['end'])
return query.order_by(Measurement.measurement_time.asc()).all()
def get_tanks():
""" Get a list of all Tanks """
query = DBSession().query(Tank)
return query.order_by(Tank.name.asc()).all()
def get_scheduled_events(tank_id):
""" Get a list of ScheduledEvents by tank ID """
query = DBSession().query(ScheduledEvent).filter(ScheduledEvent.tank_id == tank_id)
return query.order_by(ScheduledEvent.event_name.asc()).all()
def get_measurement_types():
""" Get a list of all MeasurementTypes """
query = DBSession().query(MeasurementType)
return query.order_by(MeasurementType.label.asc()).all()
