/// <summary>
/// Moves a package from one state to another.
/// </summary>
/// <param name="p"></param>
/// <param name="newState"></param>
/// <exception cref="ArgumentException"></exception>
private void MarkPackageAs(Package p, PackageEvaluationStates newState)
{
if (p == null)
{
throw new ArgumentException($"Cannot mark 'null' as solved.");
}
if (this.packagePool[PackageEvaluationStates.Ready].Contains(p))
{
this.packagePool[PackageEvaluationStates.Ready].Remove(p);
this.packagePool[newState].Add(p);
}
else
{
var(found, state) = TryGetEvaluationStateForPackage(p, DefaultPackageState);
if (found)
{
throw new ArgumentException($"The package '{p.Name}' is not in the 'Ready'-state and thus cannot be marked solved. It was found in the '{state}'-state.");
}
else
{
throw new ArgumentException($"The package '{p.Name}' does not exist in the storage.");
}
}
}
/// <summary>
/// Searches the complete packagePool dictionary for the state of a package. Returns false if the package is not found.
/// </summary>
/// <param name="p"></param>
/// <param name="fallback"></param>
/// <returns></returns>
private (bool, PackageEvaluationStates) TryGetEvaluationStateForPackage(Package p, PackageEvaluationStates fallback)
{
foreach (var state in Enum.GetValues(typeof(PackageEvaluationStates)).Cast <PackageEvaluationStates>())
{
if (this.packagePool[state].Contains(p))
{
return(true, state);
}
}
return(false, fallback);
}