Current state of the websocket server for the Hermes client

Socket/Handlers/EmoteDetailsHandler.cs

@@ -0,0 +1,77 @@
+using HermesSocketLibrary.db;
+using HermesSocketLibrary.Socket.Data;
+using Npgsql;
+using ILogger = Serilog.ILogger;
+
+namespace HermesSocketServer.Socket.Handlers
+{
+    public class EmoteDetailsHandler : ISocketHandler
+    {
+        public int OpCode { get; } = 7;
+        private readonly Database _database;
+        private readonly HashSet<string> _emotes;
+        private readonly ILogger _logger;
+        private readonly object _lock;
+
+        public EmoteDetailsHandler(Database database, ILogger logger)
+        {
+            _database = database;
+            _logger = logger;
+            _emotes = new HashSet<string>(501);
+            _lock = new object();
+        }
+
+        public async Task Execute<T>(WebSocketUser sender, T message, HermesSocketManager sockets)
+        {
+            if (message is not EmoteDetailsMessage data)
+                return;
+
+            if (data.Emotes == null)
+                return;
+
+            if (!data.Emotes.Any())
+                return;
+
+            lock (_lock)
+            {
+                foreach (var entry in data.Emotes)
+                {
+                    if (_emotes.Contains(entry.Key))
+                    {
+                        _emotes.Remove(entry.Key);
+                        continue;
+                    }
+
+                    _emotes.Add(entry.Key);
+                }
+            }
+
+            int rows = 0;
+            string sql = "INSERT INTO \"Emote\" (id, name) VALUES (@idd, @name)";
+            using (var connection = await _database.DataSource.OpenConnectionAsync())
+            {
+                using (var command = new NpgsqlCommand(sql, connection))
+                {
+                    foreach (var entry in data.Emotes)
+                    {
+                        command.Parameters.Clear();
+                        command.Parameters.AddWithValue("idd", entry.Key);
+                        command.Parameters.AddWithValue("name", entry.Value);
+
+                        await command.PrepareAsync();
+                        try
+                        {
+                            rows += await command.ExecuteNonQueryAsync();
+                        }
+                        catch (Exception e)
+                        {
+                            _logger.Error(e, "Failed to add emote detail: " + entry.Key + " -> " + entry.Value);
+                        }
+                    }
+                }
+            }
+
+
+        }
+    }
+}