/// <summary>
/// Updates the state of the current instance to the corresponding procedural resource
/// </summary>
protected void Update()
{
var procedural = ResourceProviderInternal.SelectProceduralResources()?.FirstOrDefault(item => item.Name == Name) ??
throw new InvalidOperationException($"Cannot update resource '{Name}'. Resource has not been inserted.");
var resource = (IResourceInternal)Meta.Resource.SafeGet(procedural.Type) ??
throw new InvalidOperationException($"Cannot update resource '{Name}'. Resource has not been inserted.");
resource.SetAlias(Alias);
ResourceProviderInternal.SetProceduralResourceDescription(procedural, Description);
resource.Description = Description;
var methods = EnabledMethods.ResolveMethodRestrictions().ToArray();
ResourceProviderInternal.SetProceduralResourceMethods(procedural, methods);
resource.AvailableMethods = methods;
}
/// <summary>
/// Deletes the corresponding procedural resource
/// </summary>
protected void Delete()
{
var procedural = ResourceProviderInternal.SelectProceduralResources()?.FirstOrDefault(item => item.Name == Name);
if (procedural == null)
{
return;
}
var type = procedural.Type;
Db.TransactAsync(() => ResourceAlias.GetByResource(procedural.Name)?.Delete());
if (ResourceProviderInternal.DeleteProceduralResource(procedural))
{
ResourceProviderInternal.RemoveProceduralResource(type);
}
}
/// <summary>
/// Inserts the current instance as a new procedural resource
/// </summary>
protected void Insert()
{
var name = Name;
var methods = EnabledMethods;
var description = Description;
if (string.IsNullOrWhiteSpace(name))
{
throw new Exception("Missing or invalid name for new resource");
}
ResolveDynamicResourceName(ref name);
var methodsArray = methods.ResolveMethodRestrictions().ToArray();
var inserted = ResourceProviderInternal.InsertProceduralResource(name, description, methodsArray, (object)Data);
if (inserted != null)
{
ResourceProviderInternal.InsertProcedural(inserted);
}
var resource = (IResourceInternal)Meta.Resource.SafeGet(name);
resource.SetAlias(Alias);
}
/// <summary> /// Selects the instances that have been inserted by this controller /// </summary> protected static IEnumerable <TController> Select() => ResourceProviderInternal .SelectProceduralResources() .OrderBy(r => r.Name) .Select(r => Make <TController>(Meta.Resource.SafeGet(r.Name)));
