public async Task <ICommandResult <File> > CreateAsync(File model)
{
// Validate
if (model == null)
{
throw new ArgumentNullException(nameof(model));
}
if (model.FeatureId <= 0)
{
throw new ArgumentNullException(nameof(model.FeatureId));
}
if (model.Id > 0)
{
throw new ArgumentOutOfRangeException(nameof(model.Id));
}
if (String.IsNullOrWhiteSpace(model.Name))
{
throw new ArgumentNullException(nameof(model.Name));
}
if (model.CreatedUserId <= 0)
{
throw new ArgumentOutOfRangeException(nameof(model.CreatedUserId));
}
if (model.CreatedDate == null)
{
throw new ArgumentNullException(nameof(model.CreatedDate));
}
model.Alias = await ParseAlias(model.Name);
// Invoke FileCreating subscriptions
foreach (var handler in _broker.Pub <File>(this, "FileCreating"))
{
model = await handler.Invoke(new Message <File>(model, this));
}
var result = new CommandResult <File>();
var newFile = await _fileStore.CreateAsync(model);
if (newFile != null)
{
// Invoke FileCreated subscriptions
foreach (var handler in _broker.Pub <File>(this, "FileCreated"))
{
newFile = await handler.Invoke(new Message <File>(newFile, this));
}
// Return success
return(result.Success(newFile));
}
return(result.Failed(new CommandError("An unknown error occurred whilst attempting to create the file")));
}