// This is here to compare the above pattern to a more traditional,
// less-abstracted pattern. Food for thought...
//
// Note: Not tested, don't use.
//
private AggregateResult <ExamplePerson> SetEmailAddress2(string emailAddress)
{
AggregateResult <ExamplePerson> result;
var notifications = new NotificationList();
if (emailAddress == null)
{
throw new ArgumentNullException(nameof(emailAddress));
}
if (!RegexUtilities.IsValidEmail(emailAddress))
{
notifications.AddNotification(nameof(EmailAddress), "A valid email address is required.");
}
if (notifications.HasNotifications)
{
result = AggregateResult <ExamplePerson> .Fail(notifications);
}
else
{
_emailAddress = emailAddress.Trim();
result = AggregateResult <ExamplePerson> .Success(this);
}
return(result);
}
public static CommandResult ToCommandResult(this IdentityResult identityResult)
{
var notifications = new NotificationList();
foreach (var error in identityResult.Errors)
{
notifications.AddNotification(error.Code, error.Description);
}
return(CommandResult.Fail(notifications));
}
public static NotificationList CheckRequirements(List <AggregateRequirement> requirements)
{
var notifications = new NotificationList();
foreach (var requirement in requirements)
{
bool success = requirement.Test.Invoke();
if (!success)
{
if (requirement.Exception != null)
{
throw requirement.Exception;
}
notifications.AddNotification(
requirement.ParamName, requirement.FailureMessage);
}
}
return(notifications);
}