public async Task Invoke(HttpContext httpContext, ILibrarian librarian) // injection to method
{
httpContext.Items["CurrentUserName"] = httpContext.User.Identity.Name;
await librarian.CheckAccess();
await _next(httpContext);
}
public async Task <IActionResult> VerifyEmail([FromServices] ILibrarian librarian, string authorEmail)
{
if (await librarian.CheckAccess())
{
return(Json($"Selected author {authorEmail} is invalid"));
}
return(Json(true));
}