/// <summary>
/// Refresh metadata on us by execution our provider chain
/// The item will be persisted if a change is made by a provider, or if it's new or changed.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="forceSave">if set to <c>true</c> [is new item].</param>
/// <param name="forceRefresh">if set to <c>true</c> [force].</param>
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
/// <param name="resetResolveArgs">if set to <c>true</c> [reset resolve args].</param>
/// <returns>true if a provider reports we changed</returns>
public override async Task <bool> RefreshMetadata(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true, bool resetResolveArgs = true)
{
if (resetResolveArgs)
{
ResolveArgs = null;
}
var changed = await ProviderManager.ExecuteMetadataProviders(this, cancellationToken, forceRefresh, allowSlowProviders).ConfigureAwait(false);
if (changed || forceSave)
{
cancellationToken.ThrowIfCancellationRequested();
await UserManager.UpdateUser(this).ConfigureAwait(false);
}
return(changed);
}
/// <summary>
/// Overrides the base implementation to refresh metadata for local trailers
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <param name="forceSave">if set to <c>true</c> [is new item].</param>
/// <param name="forceRefresh">if set to <c>true</c> [force].</param>
/// <param name="allowSlowProviders">if set to <c>true</c> [allow slow providers].</param>
/// <param name="resetResolveArgs">if set to <c>true</c> [reset resolve args].</param>
/// <returns>true if a provider reports we changed</returns>
public virtual async Task <bool> RefreshMetadata(CancellationToken cancellationToken, bool forceSave = false, bool forceRefresh = false, bool allowSlowProviders = true, bool resetResolveArgs = true)
{
if (resetResolveArgs)
{
ResolveArgs = null;
}
// Lazy load these again
LocalTrailers = null;
// Refresh for the item
var itemRefreshTask = ProviderManager.ExecuteMetadataProviders(this, cancellationToken, forceRefresh, allowSlowProviders);
cancellationToken.ThrowIfCancellationRequested();
// Refresh metadata for local trailers
var trailerTasks = LocalTrailers.Select(i => i.RefreshMetadata(cancellationToken, forceSave, forceRefresh, allowSlowProviders));
cancellationToken.ThrowIfCancellationRequested();
// Await the trailer tasks
await Task.WhenAll(trailerTasks).ConfigureAwait(false);
cancellationToken.ThrowIfCancellationRequested();
// Get the result from the item task
var changed = await itemRefreshTask.ConfigureAwait(false);
if (changed || forceSave)
{
cancellationToken.ThrowIfCancellationRequested();
await Kernel.Instance.ItemRepository.SaveItem(this, cancellationToken).ConfigureAwait(false);
}
return(changed);
}
