Fix infos

JetHerald/Commands/CreateTopicCommand.cs

@@ -8,7 +8,7 @@ namespace JetHerald.Commands
 {
     public class CreateTopicCommand : IChatCommand
     {
-        Db db;
+        readonly Db db;
 
         public CreateTopicCommand(Db db)
         {

JetHerald/Commands/DeleteTopicCommand.cs

@@ -6,7 +6,7 @@ namespace JetHerald.Commands
 {
     public class DeleteTopicCommand : IChatCommand
     {
-        Db db;
+        readonly Db db;
 
         public DeleteTopicCommand(Db db)
         {

JetHerald/Commands/ListCommand.cs

@@ -6,7 +6,7 @@ namespace JetHerald
 {
     public class ListCommand : IChatCommand
     {
-        Db db;
+        readonly Db db;
 
         public ListCommand(Db db)
         {

JetHerald/Commands/SubscribeCommand.cs

@@ -5,7 +5,7 @@ namespace JetHerald
 {
     public class SubscribeCommand : IChatCommand
     {
-        Db db;
+        readonly Db db;
 
         public SubscribeCommand(Db db)
         {

JetHerald/Commands/UnsubscribeCommand.cs

@@ -5,7 +5,7 @@ namespace JetHerald
 {
     public class UnsubscribeCommand : IChatCommand
     {
-        Db db;
+        readonly Db db;
 
         public UnsubscribeCommand(Db db)
         {

JetHerald/DapperMappers.cs

@@ -19,7 +19,7 @@ namespace JetHerald
         class NamespacedIdHandler : SqlMapper.TypeHandler<NamespacedId>
         {
             public override void SetValue(IDbDataParameter parameter, NamespacedId value) => parameter.Value = value.ToString();
-            public override NamespacedId Parse(object value) => new NamespacedId((string)value);
+            public override NamespacedId Parse(object value) => new((string)value);
         }
     }
 }

JetHerald/Db.cs

@@ -40,19 +40,17 @@ namespace JetHerald
 
         public async Task<int> DeleteTopic(string name, string adminToken)
         {
-            using (var c = GetConnection())
+            using var c = GetConnection();
-            {
             return await c.ExecuteAsync(
                 " DELETE" +
                 " FROM topic" +
                 " WHERE Name = @name AND AdminToken = @adminToken",
                 new { name, adminToken });
         }
-        }
 
         public async Task<Topic> GetTopic(string name)
         {
-            using (var c = GetConnection())
+            using var c = GetConnection();
             return await c.QuerySingleOrDefaultAsync<Topic>(
                 "SELECT *" +
                 " FROM topic" +
@@ -171,6 +169,6 @@ namespace JetHerald
         }
 
         Options.ConnectionStrings Config { get; }
-        MySqlConnection GetConnection() => new MySqlConnection(Config.DefaultConnection);
+        MySqlConnection GetConnection() => new(Config.DefaultConnection);
     }
 }

JetHerald/NamespacedId.cs

@@ -22,10 +22,10 @@ namespace JetHerald
         }
 
         public static NamespacedId Telegram(long id)
-            => new NamespacedId("telegram", $"{id}");
+            => new("telegram", $"{id}");
 
         public static NamespacedId Discord(ulong id)
-            => new NamespacedId("discord", $"{id}");   
+            => new("discord", $"{id}");
 
         public override string ToString() => $"{Namespace}://{Id}";
 

JetHerald/TokenHelper.cs

@@ -5,9 +5,9 @@ namespace JetHerald
 {
     public static class TokenHelper
     {
-        static RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider();
+        static readonly RNGCryptoServiceProvider rng = new();
-        static byte[] buf = new byte[24];
+        static readonly byte[] buf = new byte[24];
-        static readonly object SyncLock = new object();
+        static readonly object SyncLock = new();
 
         public static string GetToken()
         {