public async Task <ICommandResult <TReply> > CreateAsync(TReply reply)
{
// Validate
if (reply == null)
{
throw new ArgumentNullException(nameof(reply));
}
if (reply.Id > 0)
{
throw new ArgumentOutOfRangeException(nameof(reply.Id));
}
if (reply.EntityId <= 0)
{
throw new ArgumentOutOfRangeException(nameof(reply.EntityId));
}
if (String.IsNullOrWhiteSpace(reply.Message))
{
throw new ArgumentNullException(nameof(reply.Message));
}
if (reply.CreatedDate == null)
{
throw new ArgumentNullException(nameof(reply.CreatedDate));
}
var result = new CommandResult <TReply>();
// Ensure the entity exists
var entity = await _entityStore.GetByIdAsync(reply.EntityId);
if (entity == null)
{
return(result.Failed(new CommandError($"An entity with the Id '{reply.EntityId}' could not be found")));
}
// Parse Html and abstract
reply.Html = await ParseEntityHtml(reply.Message);
reply.Abstract = await ParseEntityAbstract(reply.Message);
reply.Urls = await ParseEntityUrls(reply.Html);
// Raise creating event
Creating?.Invoke(this, new EntityReplyEventArgs <TReply>(entity, reply));
// Invoke EntityReplyCreating subscriptions
foreach (var handler in _broker.Pub <TReply>(this, "EntityReplyCreating"))
{
reply = await handler.Invoke(new Message <TReply>(reply, this));
}
var newReply = await _entityReplyStore.CreateAsync(reply);
if (newReply != null)
{
// Raise created event
Created?.Invoke(this, new EntityReplyEventArgs <TReply>(entity, newReply));
// Invoke EntityReplyCreated subscriptions
foreach (var handler in _broker.Pub <TReply>(this, "EntityReplyCreated"))
{
newReply = await handler.Invoke(new Message <TReply>(newReply, this));
}
return(result.Success(newReply));
}
return(result.Failed(new CommandError("An unknown error occurred whilst attempting to create the reply")));
}
