fix: try to fix database connections not being closed sometimes

Catalogger.Backend/Database/DatabaseConnection.cs

@@ -17,6 +17,7 @@ using System.Data;
 using System.Data.Common;
 using System.Diagnostics.CodeAnalysis;
 using Npgsql;
+using Serilog;
 
 namespace Catalogger.Backend.Database;
 
@@ -49,11 +50,18 @@ public class DatabaseConnection(NpgsqlConnection inner) : DbConnection, IDisposa
 
     public new void Dispose()
     {
-        Close();
-        inner.Dispose();
+        Dispose(true);
         GC.SuppressFinalize(this);
     }
 
+    protected override void Dispose(bool disposing)
+    {
+        Log.Error("Called Dispose method on DbConnection, should call DisposeAsync!");
+        Log.Warning("CloseAsync will be called synchronously.");
+        CloseAsync().Wait();
+        inner.Dispose();
+    }
+
     public override async ValueTask DisposeAsync()
     {
         await CloseAsync();
@@ -62,13 +70,13 @@ public class DatabaseConnection(NpgsqlConnection inner) : DbConnection, IDisposa
     }
 
     protected override DbTransaction BeginDbTransaction(IsolationLevel isolationLevel) =>
-        inner.BeginTransaction(isolationLevel);
+        throw new SyncException(nameof(BeginDbTransaction));
 
     public override void ChangeDatabase(string databaseName) => inner.ChangeDatabase(databaseName);
 
-    public override void Close() => inner.Close();
+    public override void Close() => throw new SyncException(nameof(Close));
 
-    public override void Open() => inner.Open();
+    public override void Open() => throw new SyncException(nameof(Open));
 
     [AllowNull]
     public override string ConnectionString
@@ -83,4 +91,6 @@ public class DatabaseConnection(NpgsqlConnection inner) : DbConnection, IDisposa
     public override string ServerVersion => inner.ServerVersion;
 
     protected override DbCommand CreateDbCommand() => inner.CreateCommand();
+
+    public class SyncException(string method) : Exception($"Tried to use sync method {method}");
 }