void CollectionInternalsPage::load(const Akonadi::Collection & col)
{
  ui.idLabel->setText( QString::number( col.id() ) );
  ui.ridEdit->setText( col.remoteId() );
  ui.rrevEdit->setText( col.remoteRevision() );
  ui.resourceLabel->setText( col.resource() );
  ui.contentTypes->setItems( col.contentMimeTypes() );
  ui.virtCheck->setChecked( col.isVirtual() );
}
void CalendarResource::retrieveItems(const Akonadi::Collection &collection)
{
    if (!canPerformTask()) {
        return;
    }

    // https://bugs.kde.org/show_bug.cgi?id=308122: we can only request changes in
    // max. last 25 days, otherwise we get an error.
    int lastSyncDelta = -1;
    if (!collection.remoteRevision().isEmpty()) {
        lastSyncDelta = QDateTime::currentDateTimeUtc().toTime_t() - collection.remoteRevision().toUInt();
    }

    KGAPI2::Job *job = Q_NULLPTR;
    if (collection.contentMimeTypes().contains(KCalCore::Event::eventMimeType())) {
        EventFetchJob *fetchJob = new EventFetchJob(collection.remoteId(), account(), this);
        if (lastSyncDelta > -1 && lastSyncDelta < 25 * 24 * 3600) {
            fetchJob->setFetchOnlyUpdated(collection.remoteRevision().toULongLong());
        }
        if (!Settings::self()->eventsSince().isEmpty()) {
            const QDate date = QDate::fromString(Settings::self()->eventsSince(), Qt::ISODate);
            fetchJob->setTimeMin(QDateTime(date).toTime_t());
        }
        job = fetchJob;
    } else if (collection.contentMimeTypes().contains(KCalCore::Todo::todoMimeType())) {
        TaskFetchJob *fetchJob = new TaskFetchJob(collection.remoteId(), account(), this);
        if (lastSyncDelta > -1 && lastSyncDelta < 25 * 25 * 3600) {
            fetchJob->setFetchOnlyUpdated(collection.remoteRevision().toULongLong());
        }
        job = fetchJob;
    } else {
        itemsRetrieved(Item::List());
        return;
    }

    job->setProperty(COLLECTION_PROPERTY, QVariant::fromValue(collection));
    connect(job, &KGAPI2::Job::progress, this, &CalendarResource::emitPercent);
    connect(job, &KGAPI2::Job::finished, this, &CalendarResource::slotItemsRetrieved);
}