private async Task ChangeCore(ChangeContentStatus c, ContentOperation operation)
{
operation.MustHavePermission(Permissions.AppContentsChangeStatus);
operation.MustNotChangeSingleton(c.Status);
if (c.Status == Snapshot.EditingStatus())
{
return;
}
if (c.DoNotValidateWorkflow)
{
await operation.CheckStatusAsync(c.Status);
}
else
{
await operation.CheckTransitionAsync(c.Status);
}
if (!c.DoNotScript)
{
var newData = await operation.ExecuteChangeScriptAsync(c.Status, GetChange(c.Status));
if (!newData.Equals(Snapshot.Data))
{
var previousEvent =
GetUncomittedEvents().Select(x => x.Payload)
.OfType <ContentDataCommand>().FirstOrDefault();
if (previousEvent != null)
{
previousEvent.Data = newData;
}
else if (!newData.Equals(Snapshot.Data))
{
Update(c, newData);
}
}
}
if (c.CheckReferrers && Snapshot.IsPublished())
{
await operation.CheckReferrersAsync();
}
if (!c.DoNotValidate && await operation.ShouldValidateAsync(c.Status))
{
await operation.ValidateContentAndInputAsync(Snapshot.Data, c.OptimizeValidation, true);
}
ChangeStatus(c);
}