public void SubscribeAsync(SubscriptionRequest subscription)
{
var channelSubscriptions = new Dictionary <string, List <string> >();
foreach (var channel in subscription.Channels)
{
if (this.state.ContainsKey(channel))
{
UpdateExistingSubscriptionsCount(subscription, channelSubscriptions, channel);
}
else
{
InitNewSubscriptionsCount(subscription, channelSubscriptions, channel);
}
}
if (channelSubscriptions.Count > 0)
{
var data = new
{
type = "subscribe",
channels = from x in channelSubscriptions
select new
{
name = x.Key,
product_ids = x.Value
}
};
var req = new ApiFeedRequest(data);
this.api.SendAsync(req);
}
}
public void UnsubscribeAsync(SubscriptionRequest subscription)
{
var removeList = new List <Tuple <string, string> >();
foreach (var channel in subscription.Channels)
{
if (this.state.ContainsKey(channel))
{
foreach (var productId in subscription.ProductIds)
{
if (this.state[channel].ContainsKey(productId))
{
this.state[channel][productId]--;
if (this.state[channel][productId] <= 0)
{
this.state[channel].Remove(productId);
removeList.Add(Tuple.Create(channel, productId));
}
}
}
}
}
var grooupedList = from x in removeList
group x by x.Item1 into g
select new
{
type = "unsubscribe",
product_ids = g.Select(y => y.Item2),
channels = new string[] { g.Key }
};
foreach (var x in grooupedList)
{
var req = new ApiFeedRequest(x);
this.api.SendAsync(req);
}
}
