/// <summary>
/// Checks if the thing is exhausted.
/// </summary>
/// <param name="thing">The thing to check the exhaustion condition on.</param>
/// <param name="type">The type of exhaustion to check for.</param>
/// <returns>True if the thing has such condition, false otherwise.</returns>
public static bool IsExhausted(this IThing thing, ExhaustionFlag type)
{
thing.ThrowIfNull(nameof(thing));
type.ThrowIfNull(nameof(type));
return(thing.TrackedEvents.TryGetValue(ConditionType.Exhausted.ToString(), out IEvent conditionEvent) &&
conditionEvent is IExhaustionCondition exhaustionCondition &&
exhaustionCondition.ExhaustionTimesPerType.ContainsKey(type));
}
/// <summary>
/// Initializes a new instance of the <see cref="ExhaustionCondition"/> class.
/// </summary>
/// <param name="exhaustionType">The type of exhaustion.</param>
/// <param name="endTime">The date and time at which the condition is set to end.</param>
public ExhaustionCondition(ExhaustionFlag exhaustionType, DateTimeOffset endTime)
: base(ConditionType.Exhausted)
{
this.ExhaustionTimesPerType = new Dictionary <ExhaustionFlag, DateTimeOffset>()
{
{ exhaustionType, endTime },
};
this.ExcludeFromTelemetry = true;
}
/// <summary>
/// Calculates the remaining <see cref="TimeSpan"/> until the thing's exhaustion is over.
/// </summary>
/// <param name="thing">The thing to check the conditions on.</param>
/// <param name="exhaustionType">The type of condition.</param>
/// <param name="currentTime">The current time to calculate from.</param>
/// <returns>The <see cref="TimeSpan"/> result.</returns>
public static TimeSpan RemainingExhaustionTime(this IThing thing, ExhaustionFlag exhaustionType, DateTimeOffset currentTime)
{
thing.ThrowIfNull(nameof(thing));
if (!thing.IsExhausted(exhaustionType))
{
return(TimeSpan.Zero);
}
var exhaustionCondition = thing.TrackedEvents[ConditionType.Exhausted.ToString()] as IExhaustionCondition;
if (!exhaustionCondition.ExhaustionTimesPerType.TryGetValue(exhaustionType, out DateTimeOffset exhaustionEndTime))
{
return(TimeSpan.Zero);
}
var timeLeft = exhaustionEndTime - currentTime;
return(timeLeft < TimeSpan.Zero ? TimeSpan.Zero : timeLeft);
}
