public static void HandleUnsubscribe(Message message, TextWriter log)
{
var hashes = message.GetPredecessors("Subscription")
.Select(p => Convert.ToBase64String(p.Code))
.ToList();
using (var context = new CommuterDbContext())
{
var predecessors = context.Subscriptions
.Where(s => hashes.Contains(s.Hash))
.ToList();
context.Subscriptions.RemoveRange(predecessors);
log.WriteLine($"Removing {predecessors.Count} podcast subscriptions");
context.SaveChanges();
}
}
public static Aggregate FromMessage(Message message)
{
var hashes = message.GetPredecessors("SearchResult");
return new Aggregate(hashes.ToImmutableHashSet());
}
