public EventsController(RoleManager <IdentityRole> roleManager, UserManager <ApplicationUser> userManager, BeMyGuestContext db)
 {
     _roleManager = roleManager;
     _userManager = userManager;
     _db          = db;
 }
 public HostsController(UserManager <ApplicationUser> userManager, BeMyGuestContext db)
 {
     _userManager = userManager;
     _db          = db;
 }
 public AccountController(UserManager <ApplicationUser> userManager, SignInManager <ApplicationUser> signInManager, BeMyGuestContext db)
 {
     _userManager   = userManager;
     _signInManager = signInManager;
     _db            = db;
 }