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

@@ -40,24 +40,22 @@ namespace JetHerald
 
         public async Task<int> DeleteTopic(string name, string adminToken)
         {
-            using (var c = GetConnection())
+            using var c = GetConnection();
-            {
+            return await c.ExecuteAsync(
-                return await c.ExecuteAsync(
+                " DELETE" +
-                    " DELETE" +
+                " FROM topic" +
-                    " FROM topic" +
+                " WHERE Name = @name AND AdminToken = @adminToken",
-                    " WHERE Name = @name AND AdminToken = @adminToken",
+                new { name, adminToken });
-                    new { name, adminToken });
-            }
         }
 
         public async Task<Topic> GetTopic(string name)
         {
-            using (var c = GetConnection())
+            using var c = GetConnection();
-                return await c.QuerySingleOrDefaultAsync<Topic>(
+            return await c.QuerySingleOrDefaultAsync<Topic>(
-                    "SELECT *" +
+                "SELECT *" +
-                    " FROM topic" +
+                " FROM topic" +
-                    " WHERE Name = @name",
+                " WHERE Name = @name",
-                    new { name });
+                new { name });
         }
 
         public async Task<Topic> GetTopicForSub(string token, NamespacedId chat)
@@ -147,7 +145,7 @@ namespace JetHerald
                         ON DUPLICATE KEY UPDATE
                         ExpiryTime = CURRENT_TIMESTAMP() + INTERVAL @timeoutSeconds SECOND;
                 ",
-                new { topicId, heart, @timeoutSeconds});
+                new { topicId, heart, @timeoutSeconds });
         }
 
         public async Task<IEnumerable<HeartAttack>> ProcessHeartAttacks()
@@ -159,7 +157,7 @@ namespace JetHerald
         public async Task MarkHeartAttackReported(ulong id, byte status = 1)
         {
             using var c = GetConnection();
-            await c.ExecuteAsync("UPDATE heartattack SET Status = @status WHERE HeartattackId = @id", new {id, status});
+            await c.ExecuteAsync("UPDATE heartattack SET Status = @status WHERE HeartattackId = @id", new { id, status });
         }
 
 
@@ -171,6 +169,6 @@ namespace JetHerald
         }
 
         Options.ConnectionStrings Config { get; }
-        MySqlConnection GetConnection() => new MySqlConnection(Config.DefaultConnection);
+        MySqlConnection GetConnection() => new(Config.DefaultConnection);
     }
 }

JetHerald/NamespacedId.cs

@@ -2,11 +2,11 @@
 
 namespace JetHerald
 {
-    public struct NamespacedId 
+    public struct NamespacedId
     {
         public string Namespace { get; init; }
         public string Id { get; init; }
-        
+
         public NamespacedId(string str)
         {
             var ind = str.IndexOf("://");
@@ -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}";
 
@@ -34,7 +34,7 @@ namespace JetHerald
         public override bool Equals(object obj)
             => obj is NamespacedId nsid && this == nsid;
 
-        public static bool operator == (NamespacedId a, NamespacedId b)
+        public static bool operator ==(NamespacedId a, NamespacedId b)
             => a.Namespace == b.Namespace && a.Id == b.Id;
 
         public static bool operator !=(NamespacedId a, NamespacedId b)

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()
         {