private async Task <Follows.Models.Follow> FollowCreated(Follows.Models.Follow follow)
{
if (follow == null)
{
return(null);
}
// Is this a label follow?
if (!follow.Name.Equals(FollowTypes.Label.Name, StringComparison.OrdinalIgnoreCase))
{
return(follow);
}
// Get the label we are following
var label = await _labelStore.GetByIdAsync(follow.ThingId);
if (label == null)
{
return(follow);
}
// Update follow count
label.TotalFollows = label.TotalFollows + 1;
// Persist changes
var updatedLabel = await _labelStore.UpdateAsync(label);
if (updatedLabel != null)
{
// Award reputation for following label
await _reputationAwarder.AwardAsync(Reputations.NewFollow, follow.CreatedUserId, $"Followed label \"{label.Name}\"");
}
return(follow);
}
public async Task <ICommandResult <TLabel> > UpdateAsync(TLabel 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));
}
// Configure model
model.Alias = await ParseAlias(model.Name);
// Invoke LabelUpdating subscriptions
foreach (var handler in _broker.Pub <TLabel>(this, "LabelUpdating"))
{
model = await handler.Invoke(new Message <TLabel>(model, this));
}
var result = new CommandResult <TLabel>();
var label = await _labelStore.UpdateAsync(model);
if (label != null)
{
// Invoke LabelUpdated subscriptions
foreach (var handler in _broker.Pub <TLabel>(this, "LabelUpdated"))
{
label = await handler.Invoke(new Message <TLabel>(label, this));
}
// Return success
return(result.Success(label));
}
return(result.Failed(new CommandError("An unknown error occurred whilst attempting to update the Label")));
}