Added support for StreamElements' Overlay Key for TTS. Added emote support for stores. Reduced emotes sent to users.

Models/Channel.cs

@@ -8,6 +8,7 @@ namespace HermesSocketServer.Models
         public required User User { get; set; }
         public required ChatterStore Chatters { get; set; }
         public required ConnectionStore Connections { get; set; }
+        public required EmoteStore Emotes { get; set; }
         public required GroupStore Groups { get; set; }
         public required GroupPermissionStore GroupPermissions { get; set; }
         public required PolicyStore Policies { get; set; }

Models/User.cs

@@ -7,5 +7,6 @@ namespace HermesSocketServer.Models
         public required string Email { get; set; }
         public required string Role { get; set; }
         public required string DefaultVoice { get; set; }
+        public required string StreamElementsOverlayKey { get; set; }
     }
 }

Requests/CreateConnection.cs

@@ -23,9 +23,11 @@ namespace HermesSocketServer.Requests
             string accessToken = data["access_token"].ToString()!;
             string grantType = data["grant_type"].ToString()!;
             string scope = data["scope"].ToString()!;
-            if (!DateTime.TryParse(data["expiration"].ToString()!, out var expiresAt))
+            if (data["expiration"] == null || !DateTime.TryParse(data["expiration"].ToString(), out var expiresAt))
                 return Task.FromResult(RequestResult.Failed("Expiration needs to be a date time string."));
             
+            var previous = channel.Connections.Get(name);
+
             var connection = new Connection()
             {
                 UserId = channel.Id,
@@ -36,12 +38,13 @@ namespace HermesSocketServer.Requests
                 GrantType = grantType,
                 Scope = scope,
                 ExpiresAt = expiresAt,
+                Default = previous?.Default ?? false,
             };
 
             bool result = channel.Connections.Set(name, connection);
             if (result)
             {
-                _logger.Information($"Added connection to channel [name: {name}][type: {type}][scope: {scope}][expiration: {expiresAt}][channel: {channel.Id}]");
+                _logger.Information($"Added or updated connection to channel [name: {name}][type: {type}][scope: {scope}][expiration: {expiresAt}][channel: {channel.Id}]");
                 return Task.FromResult(RequestResult.Successful(connection));
             }
             return Task.FromResult(RequestResult.Failed("Something went wrong when updating the cache."));

Requests/DeleteGroup.cs

@@ -14,54 +14,53 @@ namespace HermesSocketServer.Requests
             _logger = logger;
         }
 
-        public async Task<RequestResult> Grant(Channel channel, IDictionary<string, object> data)
+        public Task<RequestResult> Grant(Channel channel, IDictionary<string, object> data)
         {
-            var groupId = data["id"].ToString()!;
+            var groupIdString = data["id"].ToString()!;
+            var groupId = new Guid(groupIdString);
 
-            var result = channel.Groups.Remove(groupId);
+            var result = channel.Groups.Remove(groupIdString);
             if (result)
             {
-                var permissions = channel.GroupPermissions.Get().Values
-                    .Where(p => p.GroupId.ToString() == groupId);
-
-                Task? chattersSave = null;
-                if (channel.Groups.Chatters.TryGetValue(groupId, out var chatters))
+                if (channel.Groups.Chatters.TryGetValue(groupId.ToString(), out var chatters))
                 {
-                    var filteredChatters = chatters.Get().Values.Where(c => c.GroupId == groupId).ToArray();
-                    if (filteredChatters.Any())
+                    var filteredChatters = chatters.Get().Values;
+                    foreach (var chatter in filteredChatters)
                     {
-                        foreach (var chatter in filteredChatters)
-                        {
-                            var res = chatters.Remove(chatter.ChatterId.ToString(), fromCascade: true);
-                            if (!res)
-                                _logger.Warning($"Failed to delete group chatter by id [group chatter id: {chatter.ChatterId}]");
-                        }
-
-                        chattersSave = chatters.Save();
+                        var res = chatters.Remove(chatter.ChatterId.ToString(), fromCascade: true);
+                        if (!res)
+                            _logger.Warning($"Failed to delete group chatter by id from cascade [group chatter id: {chatter.ChatterId}]");
                     }
                 }
 
+                var permissions = channel.GroupPermissions.Get().Values
+                    .Where(p => p.GroupId == groupId);
+
                 foreach (var permission in permissions)
                 {
                     var res = channel.GroupPermissions.Remove(permission.Id, fromCascade: true);
                     if (!res)
-                        _logger.Warning($"Failed to delete group permission by id [group chatter id: {permission.Id}]");
+                        _logger.Warning($"Failed to delete group permission by id from cascade [group permission id: {permission.Id}]");
                 }
 
-                if (chattersSave != null)
-                    await Task.WhenAll(chattersSave, channel.GroupPermissions.Save());
-                else
-                    await channel.GroupPermissions.Save();
+                var policies = channel.Policies.Get().Values
+                    .Where(c => c.GroupId == groupId).ToArray();
+                foreach (var policy in policies)
+                {
+                    var res = channel.Policies.Remove(policy.Id.ToString(), fromCascade: true);
+                    if (!res)
+                        _logger.Warning($"Failed to delete group policy by id from cascade [group policy id: {policy.Id}]");
+                }
 
-                if (!channel.Groups.Chatters.Remove(groupId))
+                if (!channel.Groups.Chatters.Remove(groupIdString))
                     _logger.Warning($"Failed to delete group chatters from inner store [group id: {groupId}]");
 
                 _logger.Information($"Deleted a group by id [group id: {groupId}]");
-                return RequestResult.Successful(null);
+                return Task.FromResult(RequestResult.Successful(null));
             }
 
             _logger.Warning($"Group Id does not exist [group id: {groupId}]");
-            return RequestResult.Failed("Something went wrong when updating the cache.");
+            return Task.FromResult(RequestResult.Failed("Something went wrong when updating the cache."));
         }
     }
 }

Requests/DeleteRedeemableAction.cs

@@ -21,6 +21,15 @@ namespace HermesSocketServer.Requests
 
             if (result)
             {
+                var redemptions = channel.Redemptions.Get().Values
+                    .Where(r => r.ActionName == name);
+                foreach (var redemption in redemptions)
+                {
+                    var res = channel.Redemptions.Remove(redemption.Id, fromCascade: true);
+                    if (!res)
+                        _logger.Warning($"Failed to delete redemption by id from cascade [redemption id: {redemption.Id}]");
+                }
+
                 _logger.Information($"Deleted a redeemable action by name [name: {name}]");
                 return Task.FromResult(RequestResult.Successful(null));
             }

Requests/GetEmotes.cs

@@ -1,5 +1,3 @@
-using HermesSocketLibrary.db;
-using HermesSocketLibrary.Requests.Messages;
 using HermesSocketServer.Models;
 using ILogger = Serilog.ILogger;
 
@@ -9,24 +7,16 @@ namespace HermesSocketServer.Requests
     {
         public string Name => "get_emotes";
         public string[] RequiredKeys => [];
-        private Database _database;
         private ILogger _logger;
 
-        public GetEmotes(Database database, ILogger logger)
+        public GetEmotes(ILogger logger)
         {
-            _database = database;
             _logger = logger;
         }
 
         public async Task<RequestResult> Grant(Channel channel, IDictionary<string, object> data)
         {
-            IList<EmoteInfo> emotes = new List<EmoteInfo>();
-            string sql = $"SELECT id, name FROM \"Emote\"";
-            await _database.Execute(sql, (IDictionary<string, object>?) null, (r) => emotes.Add(new EmoteInfo()
-            {
-                Id = r.GetString(0),
-                Name = r.GetString(1)
-            }));
+            var emotes = channel.Emotes.Get().Values;
             _logger.Information($"Fetched all emotes for channel [channel: {channel.Id}]");
             return RequestResult.Successful(emotes, notifyClientsOnAccount: false);
         }

Server.cs

@@ -116,6 +116,7 @@ namespace HermesSocketLibrary
                 {
                     await client.Send(9, new SlaveMessage() { Slave = false });
                     client.Slave = false;
+                    socket.Slave = true;
                 }
             }
         }

Services/ChannelManager.cs

@@ -46,6 +46,7 @@ namespace HermesSocketServer.Services
                     var chatterTable = _configuration.Database.Tables["Chatter"];
                     var connectionTable = _configuration.Database.Tables["Connection"];
                     var connectionStateTable = _configuration.Database.Tables["ConnectionState"];
+                    var emoteTable = _configuration.Database.Tables["Emote"];
                     var groupTable = _configuration.Database.Tables["Group"];
                     var groupPermissionTable = _configuration.Database.Tables["GroupPermission"];
                     var policyTable = _configuration.Database.Tables["Policy"];
@@ -55,6 +56,7 @@ namespace HermesSocketServer.Services
 
                     var chatters = new ChatterStore(userId, chatterTable, _database, _logger);
                     var connections = new ConnectionStore(userId, connectionTable, _database, _logger);
+                    var emotes = new EmoteStore(userId, emoteTable, _database, _logger);
                     var groups = new GroupStore(userId, groupTable, _database, _configuration, _logger);
                     var groupPermissions = new GroupPermissionStore(userId, groupPermissionTable, groups, _database, _logger);
                     var policies = new PolicyStore(userId, policyTable, groups, _database, _logger);
@@ -69,6 +71,7 @@ namespace HermesSocketServer.Services
                         User = user,
                         Chatters = chatters,
                         Connections = connections,
+                        Emotes = emotes,
                         Groups = groups,
                         GroupPermissions = groupPermissions,
                         Policies = policies,
@@ -81,6 +84,7 @@ namespace HermesSocketServer.Services
                     Task.WaitAll([
                         channel.Actions.Load(),
                         channel.Chatters.Load(),
+                        channel.Emotes.Load(),
                         channel.Connections.Load(),
                         channel.Groups.Load(),
                         channel.Filters.Load(),
@@ -136,6 +140,7 @@ namespace HermesSocketServer.Services
             await Task.WhenAll([
                 channel.Chatters.Save(),
                 channel.Connections.Save(),
+                channel.Emotes.Save(),
                 channel.Groups.Save(),
                 channel.GroupPermissions.Save(),
                 channel.Policies.Save(),
@@ -154,6 +159,7 @@ namespace HermesSocketServer.Services
                 var genericTablesTask = Task.WhenAll([
                     channel.Chatters.Save(),
                     channel.Connections.Save(),
+                    channel.Emotes.Save(),
                     channel.Filters.Save(),
                     channel.VoiceStates.Save(),
                 ]).ConfigureAwait(false);

Socket/Handlers/ChatterHandler.cs

@@ -31,6 +31,11 @@ namespace HermesSocketServer.Socket.Handlers
         {
             if (message is not ChatterMessage data || sender.Id == null)
                 return;
+            if (sender.Slave && !sender.WebLogin)
+            {
+                _logger.Warning($"Received message from a slave client [message type: chatter details][sender id: {sender.Id}][sender session: {sender.SessionId}]");
+                return;
+            }
 
             try
             {

Socket/Handlers/EmoteDetailsHandler.cs

@@ -1,6 +1,6 @@
-using HermesSocketLibrary.db;
+using HermesSocketLibrary.Requests.Messages;
 using HermesSocketLibrary.Socket.Data;
-using Npgsql;
+using HermesSocketServer.Services;
 using ILogger = Serilog.ILogger;
 
 namespace HermesSocketServer.Socket.Handlers
@@ -10,7 +10,7 @@ namespace HermesSocketServer.Socket.Handlers
         private const int EMOTE_BUFFER_SIZE = 5000;
 
         public int OperationCode { get; } = 7;
-        private readonly Database _database;
+        private readonly ChannelManager _manager;
         private readonly HashSet<string> _emotes;
         private readonly string[] _array;
         private readonly ILogger _logger;
@@ -18,9 +18,9 @@ namespace HermesSocketServer.Socket.Handlers
 
         private int _index;
 
-        public EmoteDetailsHandler(Database database, ILogger logger)
+        public EmoteDetailsHandler(ChannelManager manager, ILogger logger)
         {
-            _database = database;
+            _manager = manager;
             _emotes = new HashSet<string>(EMOTE_BUFFER_SIZE);
             _array = new string[EMOTE_BUFFER_SIZE];
             _logger = logger;
@@ -32,9 +32,13 @@ namespace HermesSocketServer.Socket.Handlers
         {
             if (message is not EmoteDetailsMessage data || sender.Id == null)
                 return;
-
             if (data.Emotes == null || !data.Emotes.Any())
                 return;
+            if (sender.Slave && !sender.WebLogin)
+            {
+                _logger.Warning($"Received message from a slave client [message type: emote details][sender id: {sender.Id}][sender session: {sender.SessionId}]");
+                return;
+            }
 
             try
             {
@@ -68,30 +72,12 @@ namespace HermesSocketServer.Socket.Handlers
             if (!data.Emotes.Any())
                 return;
 
-            int rows = 0;
-            string sql = "INSERT INTO \"Emote\" (id, name) VALUES (@idd, @name) ON CONFLICT (id) DO UPDATE SET name = @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);
+            var channel = _manager.Get(sender.Id);
+            if (channel == null)
+                return;
             
-                        await command.PrepareAsync();
-                        try
-                        {
-                            rows += await command.ExecuteNonQueryAsync();
-                        }
-                        catch (Exception e)
-                        {
-                            _logger.Error(e, "Failed to add emote detail: " + entry.Key + " -> " + entry.Value);
-                        }
-                    }
-                }
-            }
+            foreach (var entry in data.Emotes)
+                channel.Emotes.Set(entry.Key, new EmoteInfo() { Id = entry.Key, Name = entry.Value, UserId = channel.Id });
         }
     }
 }

Socket/Handlers/EmoteUsageHandler.cs

@@ -32,9 +32,15 @@ namespace HermesSocketServer.Socket.Handlers
         {
             if (message is not EmoteUsageMessage data || sender.Id == null)
                 return;
+            if (sender.Slave && !sender.WebLogin)
+            {
+                _logger.Warning($"Received message from a slave client [message type: emote usage][sender id: {sender.Id}][sender session: {sender.SessionId}]");
+                return;
+            }
 
             try
             {
+                _mutex.WaitOne();
                 if (_history.Contains(data.MessageId))
                 {
                     return;
@@ -55,6 +61,7 @@ namespace HermesSocketServer.Socket.Handlers
                 _mutex.ReleaseMutex();
             }
 
+            // TODO: multi-row inserts to increase database performance.
             int rows = 0;
             string sql = "INSERT INTO \"EmoteUsageHistory\" (timestamp, \"broadcasterId\", \"emoteId\", \"chatterId\") VALUES (@time, @broadcaster, @emote, @chatter)";
             using (var connection = await _database.DataSource.OpenConnectionAsync())

Socket/Handlers/HermesLoginHandler.cs

@@ -53,8 +53,8 @@ namespace HermesSocketServer.Socket.Handlers
                     return;
 
                 sender.Id = userId;
-                sender.Slave = data.WebLogin || recipients.Where(r => r != null && !r.WebLogin).Any();
                 recipients = _sockets.GetSockets(userId).ToList().Where(s => s.SessionId != sender.SessionId);
+                sender.Slave = data.WebLogin || recipients.Any(r => r != null && !r.WebLogin);
 
                 sender.ApiKey = data.ApiKey;
                 sender.WebLogin = data.WebLogin;
@@ -87,19 +87,22 @@ namespace HermesSocketServer.Socket.Handlers
                 }
 
                 var voices = _voices.Get();
+                var voiceStates = channel.VoiceStates.Get();
+                var voicesEnabled = voices.Values.Where(v => !voiceStates.TryGetValue(v.Id, out var voice) || voice.Enabled).Select(v => v.Name).ToList();
                 var ack = new LoginAckMessage()
                 {
                     UserId = userId,
                     ProviderAccountId = providerId,
                     SessionId = sender.SessionId,
                     UserName = channel.User.Name,
+                    StreamElementsOverlayKey = channel.User.StreamElementsOverlayKey,
                     OwnerId = _configuration.Tts.OwnerId,
                     Admin = sender.Admin,
                     WebLogin = data.WebLogin,
                     WordFilters = channel.Filters.Get().Values,
                     DefaultTTSVoice = channel.User.DefaultVoice ?? _configuration.Tts.DefaultTtsVoice,
-                    TTSVoicesAvailable = _voices.Get().ToDictionary(v => v.Key, v => v.Value.Name),
-                    EnabledTTSVoices = channel.VoiceStates.Get().Values.Where(v => v.Enabled && voices.ContainsKey(v.Id)).Select(v => voices[v.Id].Name).ToList(),
+                    TTSVoicesAvailable = voices.ToDictionary(v => v.Key, v => v.Value.Name),
+                    EnabledTTSVoices = voicesEnabled,
                     Connections = channel.Connections.Get().Values.ToList(),
                     Slave = sender.Slave,
                 };

Socket/Handlers/RequestHandler.cs

@@ -23,6 +23,11 @@ namespace HermesSocketServer.Socket.Handlers
         {
             if (message is not RequestMessage data || sender.Id == null)
                 return;
+            if (sender.Slave && !sender.WebLogin && !data.Type.StartsWith("get"))
+            {
+                _logger.Warning($"Received a non-get request from a slave client [request type: {data.Type}][sender id: {sender.Id}][sender session: {sender.SessionId}]");
+                return;
+            }
 
             RequestResult? result = null;
             _logger.Debug("Executing request handler: " + data.Type);

Store/EmoteStore.cs

@@ -0,0 +1,62 @@
+using System.Collections.Concurrent;
+using HermesSocketLibrary.db;
+using HermesSocketLibrary.Requests.Messages;
+using HermesSocketServer.Store.Internal;
+
+namespace HermesSocketServer.Store
+{
+    public class EmoteStore : AutoSavedStore<string, EmoteInfo>
+    {
+        private readonly string _userId;
+        private readonly Database _database;
+        private readonly Serilog.ILogger _logger;
+
+
+        public EmoteStore(string userId, DatabaseTable table, Database database, Serilog.ILogger logger)
+            : base(table, database, logger)
+        {
+            _userId = userId;
+            _database = database;
+            _logger = logger;
+        }
+
+        public override async Task Load()
+        {
+            var emotes = new List<EmoteInfo>();
+            var data = new Dictionary<string, object>() { { "user", _userId } };
+            string sql = $"SELECT id, name FROM \"Emote\" WHERE \"userId\" = @user";
+            await _database.Execute(sql, data, (reader) =>
+            {
+                var id = reader.GetString(0);
+                var name = reader.GetString(1);
+                _store.Add(id, new EmoteInfo()
+                {
+                    Id = id,
+                    UserId = _userId,
+                    Name = name,
+                });
+                emotes.Add(new EmoteInfo() { Id = id, Name = name, UserId = _userId });
+            });
+            _logger.Information($"Loaded {_store.Count} emotes from database.");
+        }
+
+        protected override void OnInitialAdd(string key, EmoteInfo value)
+        {
+            ArgumentException.ThrowIfNullOrWhiteSpace(key, nameof(key));
+            ArgumentNullException.ThrowIfNull(value, nameof(value));
+            ArgumentException.ThrowIfNullOrWhiteSpace(value.UserId, nameof(value.UserId));
+            ArgumentException.ThrowIfNullOrWhiteSpace(value.Name, nameof(value.Name));
+        }
+
+        protected override void OnInitialModify(string key, EmoteInfo oldValue, EmoteInfo newValue)
+        {
+            ArgumentNullException.ThrowIfNull(newValue, nameof(newValue));
+            ArgumentException.ThrowIfNullOrWhiteSpace(newValue.UserId, nameof(newValue.UserId));
+            ArgumentException.ThrowIfNullOrWhiteSpace(newValue.Name, nameof(newValue.Name));
+        }
+
+        protected override void OnPostRemove(string key, EmoteInfo value)
+        {
+        }
+    }
+}

Store/UserStore.cs

@@ -19,7 +19,7 @@ namespace HermesSocketServer.Store
 
         public override async Task Load()
         {
-            string sql = "SELECT id, name, email, role, \"ttsDefaultVoice\" FROM \"User\";";
+            string sql = "SELECT id, name, email, role, \"ttsDefaultVoice\", seolkey FROM \"User\";";
             await _database.Execute(sql, new Dictionary<string, object>(), (reader) =>
             {
                 string id = reader.GetString(0);
@@ -30,6 +30,7 @@ namespace HermesSocketServer.Store
                     Email = reader.GetString(2),
                     Role = reader.GetString(3),
                     DefaultVoice = reader.GetString(4),
+                    StreamElementsOverlayKey = reader.GetString(5),
                 });
             });
             _logger.Information($"Loaded {_store.Count} users from database.");