public void refreshFeedCounts() {
final APIClient client = new APIClient(context);
final APIResponse response = client.get(APIConstants.URL_FEED_COUNTS);
if (response.responseCode == HttpStatus.SC_OK && !response.hasRedirected) {
final FeedRefreshResponse feedCountUpdate =
gson.fromJson(response.responseString, FeedRefreshResponse.class);
for (String feedId : feedCountUpdate.feedCounts.keySet()) {
Uri feedUri = FeedProvider.FEEDS_URI.buildUpon().appendPath(feedId).build();
contentResolver.update(
feedUri, feedCountUpdate.feedCounts.get(feedId).getValues(), null, null);
}
for (String socialfeedId : feedCountUpdate.socialfeedCounts.keySet()) {
String userId = socialfeedId.split(":")[1];
Uri feedUri = FeedProvider.SOCIAL_FEEDS_URI.buildUpon().appendPath(userId).build();
contentResolver.update(
feedUri, feedCountUpdate.socialfeedCounts.get(socialfeedId).getValues(), null, null);
}
}
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_itemlist, null);
ListView itemList = (ListView) v.findViewById(R.id.itemlistfragment_list);
itemList.setEmptyView(v.findViewById(R.id.empty_view));
contentResolver = getActivity().getContentResolver();
Uri storiesUri = FeedProvider.FEED_STORIES_URI.buildUpon().appendPath(feedId).build();
Cursor storiesCursor =
contentResolver.query(
storiesUri,
null,
DatabaseConstants.getStorySelectionFromState(currentState),
null,
DatabaseConstants.getStorySortOrder(storyOrder));
Uri feedUri = FeedProvider.FEEDS_URI.buildUpon().appendPath(feedId).build();
Cursor feedCursor = contentResolver.query(feedUri, null, null, null, null);
if (feedCursor.getCount() < 1) {
// This shouldn't happen, but crash reports indicate that it does (very rarely).
// If we are told to create an item list for a feed, but then can't find that feed ID in the
// DB,
// something is very wrong, and we won't be able to recover, so just force the user back to
// the
// feed list until we have a better understanding of how to prevent this.
Log.w(this.getClass().getName(), "Feed not found in DB, can't create item list.");
getActivity().finish();
return v;
}
feedCursor.moveToFirst();
Feed feed = Feed.fromCursor(feedCursor);
String[] groupFrom =
new String[] {
DatabaseConstants.STORY_TITLE,
DatabaseConstants.STORY_AUTHORS,
DatabaseConstants.STORY_READ,
DatabaseConstants.STORY_SHORTDATE,
DatabaseConstants.STORY_INTELLIGENCE_AUTHORS
};
int[] groupTo =
new int[] {
R.id.row_item_title,
R.id.row_item_author,
R.id.row_item_title,
R.id.row_item_date,
R.id.row_item_sidebar
};
// create the adapter before starting the loader, since the callback updates the adapter
adapter =
new FeedItemsAdapter(
getActivity(),
feed,
R.layout.row_item,
storiesCursor,
groupFrom,
groupTo,
CursorAdapter.FLAG_REGISTER_CONTENT_OBSERVER);
getLoaderManager().initLoader(ITEMLIST_LOADER, null, this);
itemList.setOnScrollListener(this);
adapter.setViewBinder(new FeedItemViewBinder(getActivity()));
itemList.setAdapter(adapter);
itemList.setOnItemClickListener(this);
itemList.setOnCreateContextMenuListener(this);
return v;
}
/**
* Fetch the list of feeds/folders/socials from the backend.
*
* @param doUpdateCounts forces a refresh of unread counts. This has a high latency cost and
* should not be set if the call is being used to display the UI for the first time, in which
* case it is more appropriate to make a separate, additional call to refreshFeedCounts().
*/
public boolean getFolderFeedMapping(boolean doUpdateCounts) {
final APIClient client = new APIClient(context);
final ContentValues params = new ContentValues();
params.put(APIConstants.PARAMETER_UPDATE_COUNTS, (doUpdateCounts ? "true" : "false"));
final APIResponse response = client.get(APIConstants.URL_FEEDS, params);
final FeedFolderResponse feedUpdate = new FeedFolderResponse(response.responseString, gson);
if (response.responseCode == HttpStatus.SC_OK && !response.hasRedirected) {
// if the response says we aren't logged in, clear the DB and prompt for login. We test this
// here, since this the first sync call we make on launch if we believe we are cookied.
if (!feedUpdate.isAuthenticated) {
PrefsUtils.logout(context);
return false;
}
HashMap<String, Feed> existingFeeds = getExistingFeeds();
List<ContentValues> feedValues = new ArrayList<ContentValues>();
for (String newFeedId : feedUpdate.feeds.keySet()) {
if (existingFeeds.get(newFeedId) == null
|| !feedUpdate.feeds.get(newFeedId).equals(existingFeeds.get(newFeedId))) {
feedValues.add(feedUpdate.feeds.get(newFeedId).getValues());
}
}
if (feedValues.size() > 0) {
contentResolver.bulkInsert(
FeedProvider.FEEDS_URI, feedValues.toArray(new ContentValues[feedValues.size()]));
}
for (String olderFeedId : existingFeeds.keySet()) {
if (feedUpdate.feeds.get(olderFeedId) == null) {
Uri feedUri = FeedProvider.FEEDS_URI.buildUpon().appendPath(olderFeedId).build();
contentResolver.delete(feedUri, null, null);
}
}
List<ContentValues> socialFeedValues = new ArrayList<ContentValues>();
for (final SocialFeed feed : feedUpdate.socialFeeds) {
socialFeedValues.add(feed.getValues());
}
if (socialFeedValues.size() > 0) {
contentResolver.bulkInsert(
FeedProvider.SOCIAL_FEEDS_URI,
socialFeedValues.toArray(new ContentValues[socialFeedValues.size()]));
}
Cursor folderCursor = contentResolver.query(FeedProvider.FOLDERS_URI, null, null, null, null);
folderCursor.moveToFirst();
HashSet<String> existingFolders = new HashSet<String>();
while (!folderCursor.isAfterLast()) {
existingFolders.add(Folder.fromCursor(folderCursor).getName());
folderCursor.moveToNext();
}
folderCursor.close();
for (final Entry<String, List<Long>> entry : feedUpdate.folders.entrySet()) {
if (!TextUtils.isEmpty(entry.getKey())) {
String folderName = entry.getKey().trim();
if (!existingFolders.contains(folderName) && !TextUtils.isEmpty(folderName)) {
final ContentValues folderValues = new ContentValues();
folderValues.put(DatabaseConstants.FOLDER_NAME, folderName);
contentResolver.insert(FeedProvider.FOLDERS_URI, folderValues);
}
for (Long feedId : entry.getValue()) {
if (!existingFeeds.containsKey(Long.toString(feedId))) {
ContentValues values = new ContentValues();
values.put(DatabaseConstants.FEED_FOLDER_FEED_ID, feedId);
values.put(DatabaseConstants.FEED_FOLDER_FOLDER_NAME, folderName);
contentResolver.insert(FeedProvider.FEED_FOLDER_MAP_URI, values);
}
}
}
}
int starredStoriesCount = feedUpdate.starredCount;
ContentValues values = new ContentValues();
values.put(DatabaseConstants.STARRED_STORY_COUNT_COUNT, starredStoriesCount);
contentResolver.insert(FeedProvider.STARRED_STORIES_COUNT_URI, values);
}
return true;
}