private async Task Authenticate(UserModel user)
{
var claims = new List <Claim>
{
new Claim(ClaimsIdentity.DefaultNameClaimType, user.Login),
new Claim(ClaimsIdentity.DefaultRoleClaimType, PermissionModel.GetRoleName(user.Permissions))
};
ClaimsIdentity id = new ClaimsIdentity(claims, "ApplicationCookie", ClaimsIdentity.DefaultNameClaimType, ClaimsIdentity.DefaultRoleClaimType);
await HttpContext.SignInAsync(CookieAuthenticationDefaults.AuthenticationScheme, new ClaimsPrincipal(id));
}
