/// <summary>
/// Allows queues to be formed at the specified lane, the attendant to be assigned must have no designated lane
/// </summary>
/// <param name="queueLaneNumber"></param>
/// <param name="attendant"></param>
/// <param name="tolerance">Maximum amount of time to consider priority numbers</param>
/// <returns></returns>
public bool SetLaneActive(int queueLaneNumber,
QueueAttendant attendant,
TimeSpan tolerance)
{
//check if the lane queue is existing
if (laneQueues.TryGetValue(queueLaneNumber, out LaneQueue laneQueue))
{
//allow only attendants that do not have a designated lane
if (attendant.DesignatedLane.LaneNumber != 0 ||
attendant.DesignatedLane.LaneName != null)
{
return(false);
}
//get the associated lane to the lane number
var lane = dataAccessLogic.GetLaneWithLaneNumber(
queueLaneNumber
);
laneQueue = new LaneQueue();
laneQueue.SetQueueLane(lane);
laneQueue.SetAttendant(attendant);
laneQueue.Tolerance = tolerance;
bool isSuccess = dataAccessLogic.AddLaneQueue(
laneQueue
);
laneQueue = dataAccessLogic.GetLaneQueueWithLaneID(
lane.LaneID
);
if (isSuccess &&
laneQueue == null)
{
//unexpected error
throw new Exception("Failed to get lane queue of lane number: " +
queueLaneNumber);
}
if (isSuccess)
{
//reflect changes in application
laneQueues[queueLaneNumber] = laneQueue;
}
//conditions for failure:
// lane queue already exists for this lane number
// the attendant object given does not have an id set
return(isSuccess);
}
else
{
//lane number unused
return(false);
}
}