Fixed 7tv & Twitch reconnection. Added adbreak, follow, subscription handlers for Twitch. Added multi-chat support. Added support to unsubscribe from Twitch event subs.

Twitch/Socket/Handlers/ChannelSubscriptionGiftHandler.cs

@@ -0,0 +1,52 @@
+using Serilog;
+using TwitchChatTTS.Twitch.Redemptions;
+using TwitchChatTTS.Twitch.Socket.Messages;
+
+namespace TwitchChatTTS.Twitch.Socket.Handlers
+{
+    public class ChannelSubscriptionGiftHandler : ITwitchSocketHandler
+    {
+        public string Name => "channel.subscription.gift";
+
+        private readonly IRedemptionManager _redemptionManager;
+        private readonly ILogger _logger;
+
+        public ChannelSubscriptionGiftHandler(IRedemptionManager redemptionManager, ILogger logger)
+        {
+            _redemptionManager = redemptionManager;
+            _logger = logger;
+        }
+
+        public async Task Execute(TwitchWebsocketClient sender, object data)
+        {
+            if (data is not ChannelSubscriptionGiftMessage message)
+                return;
+
+            _logger.Debug("Gifted subscription occured.");
+            try
+            {
+                var actions = _redemptionManager.Get("subscription.gift");
+                if (!actions.Any())
+                {
+                    _logger.Debug($"No redemable actions for this gifted subscription was found");
+                    return;
+                }
+                _logger.Debug($"Found {actions.Count} actions for this Twitch gifted subscription [gifted: {message.UserLogin}][gifted id: {message.UserId}][Anonymous: {message.IsAnonymous}][cumulative: {message.CumulativeTotal ?? -1}]");
+
+                foreach (var action in actions)
+                    try
+                    {
+                        await _redemptionManager.Execute(action, message.UserName, long.Parse(message.UserId));
+                    }
+                    catch (Exception ex)
+                    {
+                        _logger.Error(ex, $"Failed to execute redeeemable action [action: {action.Name}][action type: {action.Type}][redeem: gifted subscription]");
+                    }
+            }
+            catch (Exception ex)
+            {
+                _logger.Error(ex, $"Failed to fetch the redeemable actions for gifted subscription");
+            }
+        }
+    }
+}