Akonadi::Item::List Serializer::filterDescendantItems(const Akonadi::Item::List &potentialChildren, const Akonadi::Item &ancestorItem)
{
if (potentialChildren.isEmpty())
return Akonadi::Item::List();
Akonadi::Item::List itemsToProcess = potentialChildren;
Q_ASSERT(ancestorItem.isValid() && ancestorItem.hasPayload<KCalCore::Todo::Ptr>());
KCalCore::Todo::Ptr todo = ancestorItem.payload<KCalCore::Todo::Ptr>();
const auto bound = std::partition(itemsToProcess.begin(), itemsToProcess.end(),
[ancestorItem, todo](Akonadi::Item currentItem) {
return (!currentItem.hasPayload<KCalCore::Todo::Ptr>()
|| currentItem == ancestorItem
|| currentItem.payload<KCalCore::Todo::Ptr>()->relatedTo() != todo->uid());
});
Akonadi::Item::List itemsRemoved;
std::copy(itemsToProcess.begin(), bound, std::back_inserter(itemsRemoved));
itemsToProcess.erase(itemsToProcess.begin(), bound);
auto result = std::accumulate(itemsToProcess.begin(), itemsToProcess.end(), Akonadi::Item::List(),
[this, itemsRemoved](Akonadi::Item::List result, Akonadi::Item currentItem) {
result << currentItem;
return result += filterDescendantItems(itemsRemoved, currentItem);
});
return result;
}
void EmptyTrashCommand::slotExpungeJob(KJob *job)
{
if (job->error()) {
Util::showJobError(job);
emitResult(Failed);
return;
}
Akonadi::ItemFetchJob *fjob = qobject_cast<Akonadi::ItemFetchJob *>(job);
if (!fjob) {
emitResult(Failed);
return;
}
const Akonadi::Item::List lstItem = fjob->items();
if (lstItem.isEmpty()) {
emitResult(OK);
return;
}
Akonadi::ItemDeleteJob *jobDelete = new Akonadi::ItemDeleteJob(lstItem, this);
connect(jobDelete, &Akonadi::ItemDeleteJob::result, this, &EmptyTrashCommand::slotDeleteJob);
}