public AdminFacilityService(MedContext dbContext, UserManager <User> userManager, RoleManager <IdentityRole> roleManager, SignInManager <User> signInManager, IServerNewsService newsService) : base(dbContext, userManager, roleManager, signInManager) => this.newsService = newsService;
public IndexModel(IServerNewsService newsService) => this.newsService = newsService ?? throw new ArgumentNullException(nameof(newsService));
