public async Task <bool> TryCallOperation(IPortalTarget target, PortalOperation operation)
{
await CheckAccess(operation.ToAuthorizationOperation());
var methods = MethodsForOperation(operation) ?? new List <MethodInfo>();
using (await target.StopAllActions())
{
var invoked = false;
foreach (var method in methods)
{
var success = true;
var parameters = method.GetParameters().ToList();
var parameterValues = new object[parameters.Count()];
for (var i = 0; i < parameterValues.Length; i++)
{
var parameter = parameters[i];
if (!Scope.IsRegistered(parameter.ParameterType))
{
// Assume it's a criteria not a dependency
success = false;
break;
}
}
if (success)
{
// No parameters or all of the parameters are dependencies
for (var i = 0; i < parameterValues.Length; i++)
{
var parameter = parameters[i];
parameterValues[i] = Scope.Resolve(parameter.ParameterType);
}
invoked = true;
var result = method.Invoke(target, parameterValues);
if (method.ReturnType == typeof(Task))
{
await(Task) result;
}
PostOperation(target, operation);
break;
}
}
return(invoked);
}
}
public async Task <bool> TryCallOperation(IPortalTarget target, PortalOperation operation, object[] criteria, Type[] criteriaTypes)
{
await CheckAccess(operation.ToAuthorizationOperation(), criteria);
using (await target.StopAllActions())
{
// The criteriaTypes need to be captured by Generic method definitions
// in case the values sent in are null
var method = MethodForOperation(operation, criteriaTypes);
if (method != null)
{
var parameters = method.GetParameters().ToList();
var parameterValues = new object[parameters.Count()];
var criteriaE = criteria.GetEnumerator();
for (var i = 0; i < parameterValues.Length; i++)
{
if (criteriaE.MoveNext())
{
// Use up the criteria values first
// Assume MethodForOperation got the types right
parameterValues[i] = criteriaE.Current;
}
else
{
var parameter = parameters[i];
if (Scope.TryResolve(parameter.ParameterType, out var pv))
{
parameterValues[i] = pv;
}
}
}
var result = method.Invoke(target, parameterValues);
if (method.ReturnType == typeof(Task))
{
await(Task) result;
}
PostOperation(target, operation);
return(true);
}
return(false);
}
}
protected virtual void PostOperation(IPortalTarget target, PortalOperation operation)
{
var editTarget = target as IPortalEditTarget;
if (editTarget != null)
{
switch (operation)
{
case PortalOperation.Create:
editTarget.MarkNew();
break;
case PortalOperation.CreateChild:
editTarget.MarkAsChild();
editTarget.MarkNew();
break;
case PortalOperation.Fetch:
break;
case PortalOperation.FetchChild:
editTarget.MarkAsChild();
break;
case PortalOperation.Delete:
break;
case PortalOperation.DeleteChild:
break;
case PortalOperation.Insert:
case PortalOperation.InsertChild:
case PortalOperation.Update:
case PortalOperation.UpdateChild:
editTarget.MarkUnmodified();
editTarget.MarkOld();
break;
default:
break;
}
}
}
public Stopped(IPortalTarget target)
{
this.Target = target;
}