namespace Infrastructure.Web.Api.Mvc
open Microsoft.AspNetCore.Mvc.Filters
open Microsoft.Extensions.Logging
open Infrastructure.Web.Api.Localization
open System
open Microsoft.AspNetCore.Mvc

type OperationCanceledExceptionFilter=
    inherit ExceptionFilterAttribute
        val private internalLogger : ILogger<OperationCanceledExceptionFilter>
        new (logger : ILogger<OperationCanceledExceptionFilter>) =
            {

                inherit ExceptionFilterAttribute()
                if isNull(logger) then nullArg("logger")
                internalLogger = logger
            }

    override this.OnException (context : ExceptionContext) =
        match context.Exception with
        | :? OperationCanceledException ->
            this.internalLogger.LogInformation(Resources.RequestWasCancelled)
            context.ExceptionHandled <- true
            context.Result <- StatusCodeResult(499)
            ()
        | _ -> ()
        ()