ExceptionHandler.cs

	public class ExceptionHandler : IMiddleware
	{
		public async Task InvokeAsync(HttpContext context, RequestDelegate next)
		{
			try
			{
				await next(context);
			}
			catch (Exception e)
			{
				var result = JsonSerializer.Serialize(Result.Negative(e.ToString()));
				context.Response.StatusCode = StatusCodes.Status200OK;
				context.Response.ContentType = "application/json";
				await context.Response.WriteAsync(result);
			}
		}
	}