public static void CanChangeContentStatus(ISchemaEntity schema, bool isPending, Status status, ChangeContentStatus command)
{
Guard.NotNull(command, nameof(command));
if (schema.SchemaDef.IsSingleton && command.Status != Status.Published)
{
throw new DomainException("Singleton content archived or unpublished.");
}
Validate.It(() => "Cannot change status.", e =>
{
if (!StatusFlow.Exists(command.Status))
{
e(Not.Valid("Status"), nameof(command.Status));
}
else if (!StatusFlow.CanChange(status, command.Status))
{
if (status == command.Status && status == Status.Published)
{
if (!isPending)
{
e("Content has no changes to publish.", nameof(command.Status));
}
}
else
{
e($"Cannot change status from {status} to {command.Status}.", nameof(command.Status));
}
}
if (command.DueTime.HasValue && command.DueTime.Value < SystemClock.Instance.GetCurrentInstant())
{
e("Due time must be in the future.", nameof(command.DueTime));
}
});
}