Killed history

NadekoBot.Core/Common/PubSub/RedisPubSub.cs

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+using System;
+using System.Threading.Tasks;
+using NadekoBot.Core.Services;
+using NadekoBot.Extensions;
+using Serilog;
+using StackExchange.Redis;
+
+namespace NadekoBot.Core.Common
+{
+    public sealed class RedisPubSub : IPubSub
+    {
+        private readonly ConnectionMultiplexer _multi;
+        private readonly ISeria _serializer;
+        private readonly IBotCredentials _creds;
+
+        public RedisPubSub(ConnectionMultiplexer multi, ISeria serializer, IBotCredentials creds)
+        {
+            _multi = multi;
+            _serializer = serializer;
+            _creds = creds;
+        }
+
+        public Task Pub<TData>(in TypedKey<TData> key, TData data)
+        {
+            var serialized = _serializer.Serialize(data);
+            return _multi.GetSubscriber().PublishAsync($"{_creds.RedisKey()}:{key.Key}", serialized, CommandFlags.FireAndForget);
+        }
+
+        public Task Sub<TData>(in TypedKey<TData> key, Func<TData, ValueTask> action)
+        {
+            var eventName = key.Key;
+            return _multi.GetSubscriber().SubscribeAsync($"{_creds.RedisKey()}:{eventName}", async (ch, data) =>
+            {
+                try
+                {
+                    var dataObj = _serializer.Deserialize<TData>(data);
+                    await action(dataObj);
+                }
+                catch (Exception ex)
+                {
+                    Log.Error($"Error handling the event {eventName}: {ex.Message}");
+                }
+            });
+        }
+    }
+}