/// <summary>
/// Deletes a login from a user in the UserLogins table
/// </summary>
/// <param name="user">User to have login deleted</param>
/// <param name="login">Login to be deleted from user</param>
/// <returns></returns>
public async Task DeleteAsync(IdentityUser user, UserLoginInfo login)
{
AspNetUserLogins foundLogin = await _identityEntities.AspNetUserLogins.SingleOrDefaultAsync(userLogin => userLogin.UserId == user.Id &&
userLogin.LoginProvider == login.LoginProvider &&
userLogin.ProviderKey == login.ProviderKey);
if (foundLogin != null)
{
_identityEntities.AspNetUserLogins.Remove(foundLogin);
await _identityEntities.SaveChangesAsync();
}
}
/// <summary>
/// Return a userId using a user's login
/// </summary>
/// <param name="userLogin">The user's login info</param>
/// <returns></returns>
public async Task <string> FindUserIdByLoginAsync(UserLoginInfo userLogin)
{
if (userLogin != null)
{
AspNetUserLogins foundLogin = await _identityEntities.AspNetUserLogins.SingleOrDefaultAsync(login => login.LoginProvider == userLogin.LoginProvider &&
login.ProviderKey == userLogin.ProviderKey);
if (foundLogin != null)
{
return(foundLogin.UserId);
}
}
return(String.Empty);
}
