AntennaPod/storage/database/src/main/java/de/danoeh/antennapod/storage/database/DBReader.java

790 lines
30 KiB
Java

package de.danoeh.antennapod.storage.database;
import android.database.Cursor;
import android.util.Log;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.collection.ArrayMap;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import de.danoeh.antennapod.model.feed.Chapter;
import de.danoeh.antennapod.model.feed.Feed;
import de.danoeh.antennapod.model.feed.FeedCounter;
import de.danoeh.antennapod.model.feed.FeedItem;
import de.danoeh.antennapod.model.feed.FeedItemFilter;
import de.danoeh.antennapod.model.feed.FeedMedia;
import de.danoeh.antennapod.model.feed.FeedOrder;
import de.danoeh.antennapod.model.feed.FeedPreferences;
import de.danoeh.antennapod.model.feed.SortOrder;
import de.danoeh.antennapod.model.feed.SubscriptionsFilter;
import de.danoeh.antennapod.model.download.DownloadResult;
import de.danoeh.antennapod.storage.database.mapper.ChapterCursor;
import de.danoeh.antennapod.storage.database.mapper.DownloadResultCursor;
import de.danoeh.antennapod.storage.database.mapper.FeedCursor;
import de.danoeh.antennapod.storage.database.mapper.FeedItemCursor;
/**
* Provides methods for reading data from the AntennaPod database.
* In general, all database calls in DBReader-methods are executed on the caller's thread.
* This means that the caller should make sure that DBReader-methods are not executed on the GUI-thread.
*/
public final class DBReader {
private static final String TAG = "DBReader";
/**
* Maximum size of the list returned by {@link #getDownloadLog()}.
*/
private static final int DOWNLOAD_LOG_SIZE = 200;
private DBReader() {
}
/**
* Returns a list of Feeds, sorted alphabetically by their title.
*
* @return A list of Feeds, sorted alphabetically by their title.
* A Feed-object of the returned list does NOT have its list of FeedItems yet.
* The FeedItem-list can be loaded separately with getFeedItemList().
*/
@NonNull
public static List<Feed> getFeedList() {
Log.d(TAG, "Extracting Feedlist");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedCursor cursor = new FeedCursor(adapter.getAllFeedsCursor())) {
List<Feed> feeds = new ArrayList<>(cursor.getCount());
while (cursor.moveToNext()) {
feeds.add(cursor.getFeed());
}
return feeds;
} finally {
adapter.close();
}
}
/**
* Returns a list with the download URLs of all feeds.
*
* @return A list of Strings with the download URLs of all feeds.
*/
public static List<String> getFeedListDownloadUrls() {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (Cursor cursor = adapter.getFeedCursorDownloadUrls()) {
List<String> result = new ArrayList<>(cursor.getCount());
while (cursor.moveToNext()) {
String url = cursor.getString(1);
if (url != null && !url.startsWith(Feed.PREFIX_LOCAL_FOLDER)) {
result.add(url);
}
}
return result;
} finally {
adapter.close();
}
}
/**
* Loads additional data in to the feed items from other database queries
*
* @param items the FeedItems who should have other data loaded
*/
public static void loadAdditionalFeedItemListData(List<FeedItem> items) {
loadTagsOfFeedItemList(items);
loadFeedDataOfFeedItemList(items);
}
private static void loadTagsOfFeedItemList(List<FeedItem> items) {
LongList favoriteIds = getFavoriteIDList();
LongList queueIds = getQueueIDList();
for (FeedItem item : items) {
if (favoriteIds.contains(item.getId())) {
item.addTag(FeedItem.TAG_FAVORITE);
}
if (queueIds.contains(item.getId())) {
item.addTag(FeedItem.TAG_QUEUE);
}
}
}
/**
* Takes a list of FeedItems and loads their corresponding Feed-objects from the database.
* The feedID-attribute of a FeedItem must be set to the ID of its feed or the method will
* not find the correct feed of an item.
*
* @param items The FeedItems whose Feed-objects should be loaded.
*/
private static void loadFeedDataOfFeedItemList(List<FeedItem> items) {
List<Feed> feeds = getFeedList();
Map<Long, Feed> feedIndex = new ArrayMap<>(feeds.size());
for (Feed feed : feeds) {
feedIndex.put(feed.getId(), feed);
}
for (FeedItem item : items) {
Feed feed = feedIndex.get(item.getFeedId());
if (feed == null) {
Log.w(TAG, "No match found for item with ID " + item.getId() + ". Feed ID was " + item.getFeedId());
feed = new Feed("", "", "Error: Item without feed");
}
item.setFeed(feed);
}
}
/**
* Loads the list of FeedItems for a certain Feed-object.
* This method should NOT be used if the FeedItems are not used.
*
* @param feed The Feed whose items should be loaded
* @return A list with the FeedItems of the Feed. The Feed-attribute of the FeedItems will already be set correctly.
*/
public static List<FeedItem> getFeedItemList(final Feed feed, final FeedItemFilter filter, SortOrder sortOrder,
int offset, int limit) {
Log.d(TAG, "getFeedItemList() called with: " + "feed = [" + feed + "]");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor cursor = new FeedItemCursor(adapter.getItemsOfFeedCursor(
feed, filter, sortOrder, offset, limit))) {
List<FeedItem> items = extractItemlistFromCursor(cursor);
feed.setItems(items);
for (FeedItem item : items) {
item.setFeed(feed);
}
return items;
} finally {
adapter.close();
}
}
@NonNull
private static List<FeedItem> extractItemlistFromCursor(FeedItemCursor cursor) {
List<FeedItem> result = new ArrayList<>(cursor.getCount());
while (cursor.moveToNext()) {
result.add(cursor.getFeedItem());
}
return result;
}
/**
* Loads the IDs of the FeedItems in the queue. This method should be preferred over
* {@link #getQueue()} if the FeedItems of the queue are not needed.
*
* @return A list of IDs sorted by the same order as the queue.
*/
public static LongList getQueueIDList() {
Log.d(TAG, "getQueueIDList() called");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (Cursor cursor = adapter.getQueueIDCursor()) {
LongList queueIds = new LongList(cursor.getCount());
while (cursor.moveToNext()) {
queueIds.add(cursor.getLong(0));
}
return queueIds;
} finally {
adapter.close();
}
}
/**
* Loads a list of the FeedItems in the queue. If the FeedItems of the queue are not used directly, consider using
* {@link #getQueueIDList()} instead.
*
* @return A list of FeedItems sorted by the same order as the queue.
*/
@NonNull
public static List<FeedItem> getQueue() {
Log.d(TAG, "getQueue() called");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor cursor = new FeedItemCursor(adapter.getQueueCursor())) {
List<FeedItem> items = extractItemlistFromCursor(cursor);
loadAdditionalFeedItemListData(items);
return items;
} finally {
adapter.close();
}
}
private static LongList getFavoriteIDList() {
Log.d(TAG, "getFavoriteIDList() called");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (Cursor cursor = adapter.getFavoritesIdsCursor()) {
LongList favoriteIDs = new LongList(cursor.getCount());
while (cursor.moveToNext()) {
favoriteIDs.add(cursor.getLong(0));
}
return favoriteIDs;
} finally {
adapter.close();
}
}
/**
*
* @param offset The first episode that should be loaded.
* @param limit The maximum number of episodes that should be loaded.
* @param filter The filter describing which episodes to filter out.
*/
@NonNull
public static List<FeedItem> getEpisodes(int offset, int limit, FeedItemFilter filter, SortOrder sortOrder) {
Log.d(TAG, "getRecentlyPublishedEpisodes() called with: offset=" + offset + ", limit=" + limit);
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor cursor = new FeedItemCursor(adapter.getEpisodesCursor(offset, limit, filter, sortOrder))) {
List<FeedItem> items = extractItemlistFromCursor(cursor);
loadAdditionalFeedItemListData(items);
return items;
} finally {
adapter.close();
}
}
public static int getTotalEpisodeCount(FeedItemFilter filter) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (Cursor cursor = adapter.getEpisodeCountCursor(filter)) {
if (cursor.moveToFirst()) {
return cursor.getInt(0);
}
return -1;
} finally {
adapter.close();
}
}
public static int getFeedEpisodeCount(long feedId, FeedItemFilter filter) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (Cursor cursor = adapter.getFeedEpisodeCountCursor(feedId, filter)) {
if (cursor.moveToFirst()) {
return cursor.getInt(0);
}
return -1;
} finally {
adapter.close();
}
}
public static List<FeedItem> getRandomEpisodes(int limit, int seed) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor cursor = new FeedItemCursor(adapter.getRandomEpisodesCursor(limit, seed))) {
List<FeedItem> items = extractItemlistFromCursor(cursor);
loadAdditionalFeedItemListData(items);
return items;
} finally {
adapter.close();
}
}
/**
* Loads the download log from the database.
*
* @return A list with DownloadStatus objects that represent the download log.
* The size of the returned list is limited by {@link #DOWNLOAD_LOG_SIZE}.
*/
public static List<DownloadResult> getDownloadLog() {
Log.d(TAG, "getDownloadLog() called");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (DownloadResultCursor cursor = new DownloadResultCursor(adapter.getDownloadLogCursor(DOWNLOAD_LOG_SIZE))) {
List<DownloadResult> downloadLog = new ArrayList<>(cursor.getCount());
while (cursor.moveToNext()) {
downloadLog.add(cursor.getDownloadResult());
}
return downloadLog;
} finally {
adapter.close();
}
}
/**
* Loads the download log for a particular feed from the database.
*
* @param feedId Feed id for which the download log is loaded
* @return A list with DownloadStatus objects that represent the feed's download log,
* newest events first.
*/
public static List<DownloadResult> getFeedDownloadLog(long feedId) {
Log.d(TAG, "getFeedDownloadLog() called with: " + "feed = [" + feedId + "]");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (DownloadResultCursor cursor = new DownloadResultCursor(
adapter.getDownloadLog(Feed.FEEDFILETYPE_FEED, feedId))) {
List<DownloadResult> downloadLog = new ArrayList<>(cursor.getCount());
while (cursor.moveToNext()) {
downloadLog.add(cursor.getDownloadResult());
}
return downloadLog;
} finally {
adapter.close();
}
}
/**
* Loads a specific Feed from the database.
*
* @param feedId The ID of the Feed
* @param filtered <code>true</code> if only the visible items should be loaded according to the feed filter.
* @return The Feed or null if the Feed could not be found. The Feeds FeedItems will also be loaded from the
* database and the items-attribute will be set correctly.
*/
@Nullable
public static Feed getFeed(final long feedId, boolean filtered, int offset, int limit) {
Log.d(TAG, "getFeed() called with: " + "feedId = [" + feedId + "]");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
Feed feed = null;
try (FeedCursor cursor = new FeedCursor(adapter.getFeedCursor(feedId))) {
if (cursor.moveToNext()) {
feed = cursor.getFeed();
FeedItemFilter filter = filtered ? feed.getItemFilter() : FeedItemFilter.unfiltered();
List<FeedItem> items = getFeedItemList(feed, filter, feed.getSortOrder(), offset, limit);
for (FeedItem item : items) {
item.setFeed(feed);
}
loadTagsOfFeedItemList(items);
feed.setItems(items);
} else {
Log.e(TAG, "getFeed could not find feed with id " + feedId);
}
return feed;
} finally {
adapter.close();
}
}
/**
* Loads a specific FeedItem from the database. This method should not be used for loading more
* than one FeedItem because this method might query the database several times for each item.
*
* @param itemId The ID of the FeedItem
* @return The FeedItem or null if the FeedItem could not be found.
*/
@Nullable
public static FeedItem getFeedItem(final long itemId) {
Log.d(TAG, "getFeedItem() called with: " + "itemId = [" + itemId + "]");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor cursor = new FeedItemCursor(adapter.getFeedItemCursor(Long.toString(itemId)))) {
List<FeedItem> list = extractItemlistFromCursor(cursor);
if (!list.isEmpty()) {
FeedItem item = list.get(0);
loadAdditionalFeedItemListData(list);
return item;
}
} finally {
adapter.close();
}
return null;
}
/**
* Get next feed item in queue following a particular feeditem
*
* @param item The FeedItem
* @return The FeedItem next in queue or null if the FeedItem could not be found.
*/
@Nullable
public static FeedItem getNextInQueue(FeedItem item) {
Log.d(TAG, "getNextInQueue() called with: " + "itemId = [" + item.getId() + "]");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor cursor = new FeedItemCursor(adapter.getNextInQueue(item))) {
List<FeedItem> list = extractItemlistFromCursor(cursor);
if (!list.isEmpty()) {
FeedItem nextItem = list.get(0);
loadAdditionalFeedItemListData(list);
return nextItem;
}
return null;
} catch (Exception e) {
return null;
} finally {
adapter.close();
}
}
@NonNull
public static List<FeedItem> getPausedQueue(int limit) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor cursor = new FeedItemCursor(adapter.getPausedQueueCursor(limit))) {
List<FeedItem> items = extractItemlistFromCursor(cursor);
loadAdditionalFeedItemListData(items);
return items;
} finally {
adapter.close();
}
}
/**
* Loads a specific FeedItem from the database.
*
* @param guid feed item guid
* @param episodeUrl the feed item's url
* @return The FeedItem or null if the FeedItem could not be found.
* Does NOT load additional attributes like feed or queue state.
*/
public static FeedItem getFeedItemByGuidOrEpisodeUrl(final String guid, final String episodeUrl) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor cursor = new FeedItemCursor(adapter.getFeedItemCursor(guid, episodeUrl))) {
List<FeedItem> list = extractItemlistFromCursor(cursor);
if (!list.isEmpty()) {
return list.get(0);
}
return null;
} finally {
adapter.close();
}
}
/**
* Loads shownotes information about a FeedItem.
*
* @param item The FeedItem
*/
public static void loadDescriptionOfFeedItem(final FeedItem item) {
Log.d(TAG, "loadDescriptionOfFeedItem() called with: " + "item = [" + item + "]");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (Cursor cursor = adapter.getDescriptionOfItem(item)) {
if (cursor.moveToFirst()) {
int indexDescription = cursor.getColumnIndex(PodDBAdapter.KEY_DESCRIPTION);
String description = cursor.getString(indexDescription);
item.setDescriptionIfLonger(description);
}
} finally {
adapter.close();
}
}
/**
* Loads the list of chapters that belongs to this FeedItem if available. This method overwrites
* any chapters that this FeedItem has. If no chapters were found in the database, the chapters
* reference of the FeedItem will be set to null.
*
* @param item The FeedItem
*/
public static List<Chapter> loadChaptersOfFeedItem(final FeedItem item) {
Log.d(TAG, "loadChaptersOfFeedItem() called with: " + "item = [" + item + "]");
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (ChapterCursor cursor = new ChapterCursor(adapter.getSimpleChaptersOfFeedItemCursor(item))) {
int chaptersCount = cursor.getCount();
if (chaptersCount == 0) {
item.setChapters(null);
return null;
}
ArrayList<Chapter> chapters = new ArrayList<>();
while (cursor.moveToNext()) {
chapters.add(cursor.getChapter());
}
return chapters;
} finally {
adapter.close();
}
}
/**
* Searches the DB for a FeedMedia of the given id.
*
* @param mediaId The id of the object
* @return The found object, or null if it does not exist
*/
@Nullable
public static FeedMedia getFeedMedia(final long mediaId) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor itemCursor = new FeedItemCursor(adapter.getFeedItemFromMediaIdCursor(mediaId))) {
if (!itemCursor.moveToFirst()) {
return null;
}
FeedItem item = itemCursor.getFeedItem();
loadAdditionalFeedItemListData(Collections.singletonList(item));
return item.getMedia();
} finally {
adapter.close();
}
}
public static List<FeedItem> getFeedItemsWithUrl(List<String> urls) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor itemCursor = new FeedItemCursor(adapter.getFeedItemCursorByUrl(urls))) {
List<FeedItem> items = extractItemlistFromCursor(itemCursor);
loadAdditionalFeedItemListData(items);
return items;
} finally {
adapter.close();
}
}
public static class MonthlyStatisticsItem {
private int year = 0;
private int month = 0;
private long timePlayed = 0;
public int getYear() {
return year;
}
public void setYear(final int year) {
this.year = year;
}
public int getMonth() {
return month;
}
public void setMonth(final int month) {
this.month = month;
}
public long getTimePlayed() {
return timePlayed;
}
public void setTimePlayed(final long timePlayed) {
this.timePlayed = timePlayed;
}
}
@NonNull
public static List<MonthlyStatisticsItem> getMonthlyTimeStatistics() {
List<MonthlyStatisticsItem> months = new ArrayList<>();
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (Cursor cursor = adapter.getMonthlyStatisticsCursor()) {
int indexMonth = cursor.getColumnIndexOrThrow("month");
int indexYear = cursor.getColumnIndexOrThrow("year");
int indexTotalDuration = cursor.getColumnIndexOrThrow("total_duration");
while (cursor.moveToNext()) {
MonthlyStatisticsItem item = new MonthlyStatisticsItem();
item.setMonth(Integer.parseInt(cursor.getString(indexMonth)));
item.setYear(Integer.parseInt(cursor.getString(indexYear)));
item.setTimePlayed(cursor.getLong(indexTotalDuration));
months.add(item);
}
}
adapter.close();
return months;
}
public static class StatisticsResult {
public List<StatisticsItem> feedTime = new ArrayList<>();
public long oldestDate = System.currentTimeMillis();
}
/**
* Searches the DB for statistics.
*
* @return The list of statistics objects
*/
@NonNull
public static StatisticsResult getStatistics(boolean includeMarkedAsPlayed,
long timeFilterFrom, long timeFilterTo) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
StatisticsResult result = new StatisticsResult();
try (FeedCursor cursor = new FeedCursor(adapter.getFeedStatisticsCursor(
includeMarkedAsPlayed, timeFilterFrom, timeFilterTo))) {
int indexOldestDate = cursor.getColumnIndexOrThrow("oldest_date");
int indexNumEpisodes = cursor.getColumnIndexOrThrow("num_episodes");
int indexEpisodesStarted = cursor.getColumnIndexOrThrow("episodes_started");
int indexTotalTime = cursor.getColumnIndexOrThrow("total_time");
int indexPlayedTime = cursor.getColumnIndexOrThrow("played_time");
int indexNumDownloaded = cursor.getColumnIndexOrThrow("num_downloaded");
int indexDownloadSize = cursor.getColumnIndexOrThrow("download_size");
while (cursor.moveToNext()) {
Feed feed = cursor.getFeed();
long feedPlayedTime = cursor.getLong(indexPlayedTime) / 1000;
long feedTotalTime = cursor.getLong(indexTotalTime) / 1000;
long episodes = cursor.getLong(indexNumEpisodes);
long episodesStarted = cursor.getLong(indexEpisodesStarted);
long totalDownloadSize = cursor.getLong(indexDownloadSize);
long episodesDownloadCount = cursor.getLong(indexNumDownloaded);
long oldestDate = cursor.getLong(indexOldestDate);
if (episodes > 0 && oldestDate < Long.MAX_VALUE) {
result.oldestDate = Math.min(result.oldestDate, oldestDate);
}
result.feedTime.add(new StatisticsItem(feed, feedTotalTime, feedPlayedTime, episodes,
episodesStarted, totalDownloadSize, episodesDownloadCount));
}
}
adapter.close();
return result;
}
public static long getTimeBetweenReleaseAndPlayback(long timeFilterFrom, long timeFilterTo) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (Cursor cursor = adapter.getTimeBetweenReleaseAndPlayback(timeFilterFrom, timeFilterTo)) {
cursor.moveToFirst();
long result = cursor.getLong(0);
adapter.close();
return result;
}
}
/**
* Returns data necessary for displaying the navigation drawer. This includes
* the list of subscriptions, the number of items in the queue and the number of unread
* items.
*/
@NonNull
public static NavDrawerData getNavDrawerData(@Nullable SubscriptionsFilter subscriptionsFilter,
FeedOrder feedOrder, FeedCounter feedCounter) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
final Map<Long, Integer> feedCounters = adapter.getFeedCounters(feedCounter);
List<Feed> feeds = getFeedList();
if (subscriptionsFilter != null) {
feeds = subscriptionsFilter.filter(feeds, feedCounters);
}
Comparator<Feed> comparator;
switch (feedOrder) {
case COUNTER:
comparator = (lhs, rhs) -> {
long counterLhs = feedCounters.containsKey(lhs.getId()) ? feedCounters.get(lhs.getId()) : 0;
long counterRhs = feedCounters.containsKey(rhs.getId()) ? feedCounters.get(rhs.getId()) : 0;
if (counterLhs > counterRhs) {
// reverse natural order: podcast with most unplayed episodes first
return -1;
} else if (counterLhs == counterRhs) {
return lhs.getTitle().compareToIgnoreCase(rhs.getTitle());
} else {
return 1;
}
};
break;
case ALPHABETICAL:
comparator = (lhs, rhs) -> {
String t1 = lhs.getTitle();
String t2 = rhs.getTitle();
if (t1 == null) {
return 1;
} else if (t2 == null) {
return -1;
} else {
return t1.compareToIgnoreCase(t2);
}
};
break;
case MOST_PLAYED:
final Map<Long, Integer> playedCounters = adapter.getPlayedEpisodesCounters();
comparator = (lhs, rhs) -> {
long counterLhs = playedCounters.containsKey(lhs.getId()) ? playedCounters.get(lhs.getId()) : 0;
long counterRhs = playedCounters.containsKey(rhs.getId()) ? playedCounters.get(rhs.getId()) : 0;
if (counterLhs > counterRhs) {
// podcast with most played episodes first
return -1;
} else if (counterLhs == counterRhs) {
return lhs.getTitle().compareToIgnoreCase(rhs.getTitle());
} else {
return 1;
}
};
break;
default:
final Map<Long, Long> recentPubDates = adapter.getMostRecentItemDates();
comparator = (lhs, rhs) -> {
long dateLhs = recentPubDates.containsKey(lhs.getId()) ? recentPubDates.get(lhs.getId()) : 0;
long dateRhs = recentPubDates.containsKey(rhs.getId()) ? recentPubDates.get(rhs.getId()) : 0;
return Long.compare(dateRhs, dateLhs);
};
break;
}
Collections.sort(feeds, comparator);
final int queueSize = adapter.getQueueSize();
final int numNewItems = getTotalEpisodeCount(new FeedItemFilter(FeedItemFilter.NEW));
final int numDownloadedItems = getTotalEpisodeCount(new FeedItemFilter(FeedItemFilter.DOWNLOADED));
List<NavDrawerData.DrawerItem> items = new ArrayList<>();
Map<String, NavDrawerData.TagDrawerItem> folders = new HashMap<>();
for (Feed feed : feeds) {
for (String tag : feed.getPreferences().getTags()) {
int counter = feedCounters.containsKey(feed.getId()) ? feedCounters.get(feed.getId()) : 0;
NavDrawerData.FeedDrawerItem drawerItem = new NavDrawerData.FeedDrawerItem(feed, feed.getId(), counter);
if (FeedPreferences.TAG_ROOT.equals(tag)) {
items.add(drawerItem);
continue;
}
NavDrawerData.TagDrawerItem folder;
if (folders.containsKey(tag)) {
folder = folders.get(tag);
} else {
folder = new NavDrawerData.TagDrawerItem(tag);
folders.put(tag, folder);
}
drawerItem.id |= folder.id;
folder.getChildren().add(drawerItem);
}
}
List<NavDrawerData.TagDrawerItem> foldersSorted = new ArrayList<>(folders.values());
Collections.sort(foldersSorted, (o1, o2) -> o1.getTitle().compareToIgnoreCase(o2.getTitle()));
items.addAll(foldersSorted);
NavDrawerData result = new NavDrawerData(items, queueSize, numNewItems, numDownloadedItems, feedCounters);
adapter.close();
return result;
}
public static List<FeedItem> searchFeedItems(final long feedId, final String query) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedItemCursor searchResult = new FeedItemCursor(adapter.searchItems(feedId, query))) {
List<FeedItem> items = extractItemlistFromCursor(searchResult);
loadAdditionalFeedItemListData(items);
return items;
} finally {
adapter.close();
}
}
public static List<Feed> searchFeeds(final String query) {
PodDBAdapter adapter = PodDBAdapter.getInstance();
adapter.open();
try (FeedCursor cursor = new FeedCursor(adapter.searchFeeds(query))) {
List<Feed> items = new ArrayList<>();
while (cursor.moveToNext()) {
items.add(cursor.getFeed());
}
return items;
} finally {
adapter.close();
}
}
}