/** Deletes the old feed items for which extension settings have been created. */
private static void deleteOldFeedItems(
AdWordsServices adWordsServices, AdWordsSession session, Set<Long> feedItemIds, Feed feed)
throws Exception {
// Get the FeedItemService.
FeedItemServiceInterface feedItemService =
adWordsServices.get(session, FeedItemServiceInterface.class);
if (feedItemIds.isEmpty()) {
return;
}
List<FeedItemOperation> operations = Lists.newArrayList();
for (Long feedItemId : feedItemIds) {
FeedItemOperation operation = new FeedItemOperation();
FeedItem feedItem = new FeedItem();
feedItem.setFeedId(feed.getId());
feedItem.setFeedItemId(feedItemId);
operation.setOperand(feedItem);
operation.setOperator(Operator.REMOVE);
operations.add(operation);
}
feedItemService.mutate(operations.toArray(new FeedItemOperation[operations.size()]));
}
/** Returns the feed items for a feed. */
private static List<FeedItem> getFeedItems(
AdWordsServices adWordsServices, AdWordsSession session, Feed feed) throws Exception {
// Get the FeedItemService.
FeedItemServiceInterface feedItemService =
adWordsServices.get(session, FeedItemServiceInterface.class);
String query =
String.format(
"SELECT FeedItemId, AttributeValues, Scheduling WHERE Status = 'ENABLED' AND FeedId = %d",
feed.getId());
List<FeedItem> feedItems = Lists.newArrayList();
int offset = 0;
FeedItemPage feedItemPage;
do {
String pageQuery = String.format(query + " LIMIT %d, %d", offset, PAGE_SIZE);
feedItemPage = feedItemService.query(pageQuery);
if (feedItemPage.getEntries() != null) {
feedItems.addAll(Arrays.asList(feedItemPage.getEntries()));
}
offset += PAGE_SIZE;
} while (offset < feedItemPage.getTotalNumEntries());
return feedItems;
}