private void RemoveSubscription(string id, ref int subscriptions)
{
object o;
if (Subscribers.TryRemove(id, out o))
{
if (!Subscribers.Any())
{
var variable = new List <string> {
Name
};
var parent = Parent;
while (parent != null)
{
variable.Insert(0, parent.Name);
parent = parent.Parent;
}
using (var guard = new ReaderGuard(_papperLock))
{
_papper.SetActiveState(false, variable.FirstOrDefault(), variable.Skip(1).Aggregate((a, b) => $"{a}.{b}"));
_papper.UnsubscribeDataChanges(Name, OnDataChanged);
}
}
Interlocked.Decrement(ref subscriptions);
}
foreach (var child in Childs)
{
child.Value.RemoveSubscription(id, ref subscriptions);
}
}
public async Task SubscribeAsync(IMqttSubscriber subscriber, string topic, MqttQualityOfServiceLevel mqttQosLevel)
{
if (!Subscribers.Any(e => e.Key == topic))
{
Subscribers.Add(new KeyValuePair <string, List <IMqttSubscriber> >(topic, new List <IMqttSubscriber>()));
}
var topicSubscribers = Subscribers.First(e => e.Key == topic).Value;
// client already subscribed to this topic
if (!topicSubscribers.Contains(subscriber))
{
await MqttClient.SubscribeAsync(topic, mqttQosLevel);
topicSubscribers.Add(subscriber);
}
}
public void AddToFriends(User subscriber)
{
if (Id == subscriber.Id)
{
throw new Exception("You can not add to friend yourself");
}
if (!Subscribers.Any(sub => sub.Subscriber.Id == subscriber.Id))
{
throw new Exception("This user is not your subscriber");
}
if (UserFriends.Any(friend => friend.Friend.Id == subscriber.Id))
{
throw new Exception("This user already your friend");
}
UserFriends.Add(new UserFriend(Id, subscriber.Id));
RemoveFromSubscribers(subscriber.Id);
}
public override void EnsureSeeded()
{
Log.Debug("seeding...");
if (!MasterFacilities.Any())
{
var data = SeedDataReader.ReadCsv <MasterFacility>(typeof(MnchContext).Assembly, "Seed", "|");
MasterFacilities.AddRange(data);
}
if (!Dockets.Any())
{
var data = SeedDataReader.ReadCsv <Docket>(typeof(MnchContext).Assembly, "Seed", "|");
Dockets.AddRange(data);
}
if (!Subscribers.Any())
{
var data = SeedDataReader.ReadCsv <Subscriber>(typeof(MnchContext).Assembly, "Seed", "|");
Subscribers.AddRange(data);
}
SaveChanges();
Log.Debug("seeding DONE");
}