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AntennaPod
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Code Issues Packages Projects Releases Wiki Activity

Searching descriptions should now work

This commit is contained in:
daniel oeh 2012-10-28 15:19:29 +01:00
parent a51e371fa4
commit 1cac6a2de9
4 changed files with 181 additions and 84 deletions
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2
src/de/danoeh/antennapod/activity/SearchActivity.java
View File

@ -149,7 +149,7 @@ public class SearchActivity extends SherlockListActivity {
protected ArrayList<SearchResult> doInBackground(String... params) {
if (AppConfig.DEBUG)
Log.d(TAG, "Starting background work");
return FeedSearcher.performSearch(params[0], selectedFeed);
return FeedSearcher.performSearch(SearchActivity.this, params[0], selectedFeed);
}
@Override

98
src/de/danoeh/antennapod/feed/FeedManager.java
View File

@ -1012,6 +1012,19 @@ public class FeedManager {
return null;
}
/** Get a FeedItem by its id and the id of its feed. */
public FeedItem getFeedItem(long itemId, long feedId) {
Feed feed = getFeed(feedId);
if (feed != null && feed.getItems() != null) {
for (FeedItem item : feed.getItems()) {
if (item.getId() == itemId) {
return item;
}
}
}
return null;
}
/** Get a FeedMedia object by the id of the Media object and the feed object */
public FeedMedia getFeedMedia(long id, Feed feed) {
if (feed != null) {
@ -1346,32 +1359,28 @@ public class FeedManager {
public void searchFeedItemDescription(final Context context,
final Feed feed, final String query,
FeedManager.TaskCallback callback) {
dbExec.execute(new FeedManager.Task(new Handler(), callback) {
FeedManager.QueryTaskCallback callback) {
dbExec.execute(new FeedManager.QueryTask(context, new Handler(), callback) {
@Override
public void execute() {
PodDBAdapter adapter = new PodDBAdapter(context);
adapter.open();
Cursor searchResult = adapter.searchItemDescriptions(feed, query);
public void execute(PodDBAdapter adapter) {
Cursor searchResult = adapter.searchItemDescriptions(feed,
query);
setResult(searchResult);
adapter.close();
}
});
}
public void searchFeedItemContentEncoded(final Context context,
final Feed feed, final String query,
FeedManager.TaskCallback callback) {
dbExec.execute(new FeedManager.Task(new Handler(), callback) {
FeedManager.QueryTaskCallback callback) {
dbExec.execute(new FeedManager.QueryTask(context, new Handler(), callback) {
@Override
public void execute() {
PodDBAdapter adapter = new PodDBAdapter(context);
adapter.open();
Cursor searchResult = adapter.searchItemContentEncoded(feed, query);
public void execute(PodDBAdapter adapter) {
Cursor searchResult = adapter.searchItemContentEncoded(feed,
query);
setResult(searchResult);
adapter.close();
}
});
}
@ -1400,15 +1409,18 @@ public class FeedManager {
public interface TaskCallback {
void onCompletion(Cursor result);
}
/** Is called by a FeedManager.QueryTask after completion. */
public interface QueryTaskCallback {
void handleResult(Cursor result);
void onCompletion();
}
/** A runnable that can post a callback to a handler after completion. */
abstract class Task implements Runnable {
private Handler handler;
private TaskCallback callback;
/** Can be used for returning database query results. */
private Cursor result;
/**
* Standard contructor. No callbacks are going to be posted to a
* handler.
@ -1434,7 +1446,7 @@ public class FeedManager {
handler.post(new Runnable() {
@Override
public void run() {
callback.onCompletion(result);
callback.onCompletion(null);
}
});
}
@ -1442,11 +1454,53 @@ public class FeedManager {
/** This method will be executed in the same thread as the run() method. */
public abstract void execute();
}
/**
* A runnable which should be used for database queries. The onCompletion
* method is executed on the database executor to handle Cursors correctly.
* This class automatically creates a PodDBAdapter object and closes it when
* it is no longer in use.
*/
abstract class QueryTask implements Runnable {
private QueryTaskCallback callback;
private Cursor result;
private Context context;
private Handler handler;
public QueryTask(Context context, Handler handler, QueryTaskCallback callback) {
this.callback = callback;
this.context = context;
this.handler = handler;
}
@Override
public final void run() {
PodDBAdapter adapter = new PodDBAdapter(context);
adapter.open();
execute(adapter);
callback.handleResult(result);
if (result != null && !result.isClosed()) {
result.close();
}
adapter.close();
if (handler != null && callback != null) {
handler.post(new Runnable() {
@Override
public void run() {
callback.onCompletion();
}
});
}
}
public abstract void execute(PodDBAdapter adapter);
protected void setResult(Cursor c) {
result = c;
}
}
}

153
src/de/danoeh/antennapod/feed/FeedSearcher.java
View File

@ -5,10 +5,14 @@ import java.util.Collections;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import android.content.Context;
import android.database.Cursor;
import android.os.Looper;
import android.util.Log;
import de.danoeh.antennapod.AppConfig;
import de.danoeh.antennapod.PodcastApp;
import de.danoeh.antennapod.R;
import de.danoeh.antennapod.storage.PodDBAdapter;
import de.danoeh.antennapod.util.comparator.SearchResultValueComparator;
/** Performs search on Feeds and FeedItems */
@ -23,10 +27,10 @@ public class FeedSearcher {
private static final int VALUE_WORD_MATCH = 4;
/** Performs a search in all feeds or one specific feed. */
public static ArrayList<SearchResult> performSearch(final String query,
Feed selectedFeed) {
String lcQuery = query.toLowerCase();
ArrayList<SearchResult> result = new ArrayList<SearchResult>();
public static ArrayList<SearchResult> performSearch(final Context context,
final String query, final Feed selectedFeed) {
final String lcQuery = query.toLowerCase();
final ArrayList<SearchResult> result = new ArrayList<SearchResult>();
if (selectedFeed == null) {
if (AppConfig.DEBUG)
Log.d(TAG, "Performing global search");
@ -45,14 +49,40 @@ public class FeedSearcher {
Log.d(TAG, "Searching item-chaptertitles");
searchFeedItemChapters(lcQuery, result, selectedFeed);
if (AppConfig.DEBUG)
Log.d(TAG, "Searching item descriptions");
searchFeedItemDescription(lcQuery, result, selectedFeed);
final FeedManager manager = FeedManager.getInstance();
Looper.prepare();
manager.searchFeedItemDescription(context, selectedFeed, lcQuery,
new FeedManager.QueryTaskCallback() {
if (AppConfig.DEBUG)
Log.d(TAG, "Searching item content encoded data");
searchFeedItemContentEncoded(lcQuery, result, selectedFeed);
@Override
public void handleResult(Cursor cResult) {
searchFeedItemContentEncodedCursor(lcQuery, result,
selectedFeed, cResult);
}
@Override
public void onCompletion() {
manager.searchFeedItemContentEncoded(context,
selectedFeed, lcQuery,
new FeedManager.QueryTaskCallback() {
@Override
public void handleResult(Cursor cResult) {
searchFeedItemDescriptionCursor(
lcQuery, result, selectedFeed,
cResult);
}
@Override
public void onCompletion() {
Looper.myLooper().quit();
}
});
}
});
Looper.loop();
if (AppConfig.DEBUG)
Log.d(TAG, "Sorting results");
Collections.sort(result, new SearchResultValueComparator());
@ -127,61 +157,74 @@ public class FeedSearcher {
}
}
private static void searchFeedItemDescription(String query,
ArrayList<SearchResult> destination, Feed selectedFeed) {
private static void searchFeedItemDescriptionCursor(String query,
ArrayList<SearchResult> destination, Feed feed, Cursor cursor) {
FeedManager manager = FeedManager.getInstance();
if (selectedFeed == null) {
for (Feed feed : manager.getFeeds()) {
searchFeedItemDescriptionSingleFeed(query, destination, feed);
}
} else {
searchFeedItemDescriptionSingleFeed(query, destination,
selectedFeed);
}
}
if (cursor.moveToFirst()) {
do {
final long itemId = cursor
.getLong(PodDBAdapter.IDX_FI_EXTRA_ID);
String content = cursor
.getString(PodDBAdapter.IDX_FI_EXTRA_DESCRIPTION);
if (content != null) {
content = content.toLowerCase();
final long feedId = cursor
.getLong(PodDBAdapter.IDX_FI_EXTRA_FEED);
FeedItem item = null;
if (feed == null) {
item = manager.getFeedItem(itemId, feedId);
} else {
item = manager.getFeedItem(itemId, feed);
}
if (item != null) {
SearchResult searchResult = createSearchResult(item,
query, content, VALUE_ITEM_DESCRIPTION);
if (searchResult != null) {
searchResult.setSubtitle(PodcastApp.getInstance()
.getString(
R.string.found_in_shownotes_label));
destination.add(searchResult);
private static void searchFeedItemDescriptionSingleFeed(String query,
ArrayList<SearchResult> destination, Feed feed) {
for (FeedItem item : feed.getItems()) {
if (item.getDescription() != null) {
SearchResult result = createSearchResult(item, query, item
.getDescription().toLowerCase(), VALUE_ITEM_DESCRIPTION);
if (result != null) {
result.setSubtitle(PodcastApp.getInstance().getString(
R.string.found_in_shownotes_label));
destination.add(result);
}
}
}
}
} while (cursor.moveToNext());
}
}
private static void searchFeedItemContentEncoded(String query,
ArrayList<SearchResult> destination, Feed selectedFeed) {
private static void searchFeedItemContentEncodedCursor(String query,
ArrayList<SearchResult> destination, Feed feed, Cursor cursor) {
FeedManager manager = FeedManager.getInstance();
if (selectedFeed == null) {
for (Feed feed : manager.getFeeds()) {
searchFeedItemContentEncodedSingleFeed(query, destination, feed);
}
} else {
searchFeedItemContentEncodedSingleFeed(query, destination,
selectedFeed);
}
}
if (cursor.moveToFirst()) {
do {
final long itemId = cursor
.getLong(PodDBAdapter.IDX_FI_EXTRA_ID);
String content = cursor
.getString(PodDBAdapter.IDX_FI_EXTRA_CONTENT_ENCODED);
if (content != null) {
content = content.toLowerCase();
private static void searchFeedItemContentEncodedSingleFeed(String query,
ArrayList<SearchResult> destination, Feed feed) {
for (FeedItem item : feed.getItems()) {
if (!destination.contains(item) && item.getContentEncoded() != null) {
SearchResult result = createSearchResult(item, query, item
.getContentEncoded().toLowerCase(),
VALUE_ITEM_DESCRIPTION);
if (result != null) {
result.setSubtitle(PodcastApp.getInstance().getString(
R.string.found_in_shownotes_label));
destination.add(result);
final long feedId = cursor
.getLong(PodDBAdapter.IDX_FI_EXTRA_FEED);
FeedItem item = null;
if (feed == null) {
item = manager.getFeedItem(itemId, feedId);
} else {
item = manager.getFeedItem(itemId, feed);
}
if (item != null) {
SearchResult searchResult = createSearchResult(item,
query, content, VALUE_ITEM_DESCRIPTION);
if (searchResult != null) {
searchResult.setSubtitle(PodcastApp.getInstance()
.getString(
R.string.found_in_shownotes_label));
destination.add(searchResult);
}
}
}
}
} while (cursor.moveToNext());
}
}

12
src/de/danoeh/antennapod/storage/PodDBAdapter.java
View File

@ -660,12 +660,12 @@ public class PodDBAdapter {
if (feed != null) {
// search items in specific feed
return db.query(TABLE_NAME_FEED_ITEMS, SEL_FI_EXTRA, KEY_FEED
+ "=? AND " + KEY_DESCRIPTION + " LIKE ?", new String[] {
String.valueOf(feed.getId()), query }, null, null, null);
+ "=? AND " + KEY_DESCRIPTION + " LIKE '%" + query + "%'", new String[] {
String.valueOf(feed.getId()) }, null, null, null);
} else {
// search through all items
return db.query(TABLE_NAME_FEED_ITEMS, SEL_FI_EXTRA,
KEY_DESCRIPTION + " LIKE ?", new String[] { query }, null,
KEY_DESCRIPTION + " LIKE '%" + query + "%'", null, null,
null, null);
}
}
@ -680,13 +680,13 @@ public class PodDBAdapter {
if (feed != null) {
// search items in specific feed
return db.query(TABLE_NAME_FEED_ITEMS, SEL_FI_EXTRA, KEY_FEED
+ "=? AND " + KEY_CONTENT_ENCODED + " LIKE ?",
new String[] { String.valueOf(feed.getId()), query }, null,
+ "=? AND " + KEY_CONTENT_ENCODED + " LIKE '%" + query + "%'",
new String[] { String.valueOf(feed.getId())}, null,
null, null);
} else {
// search through all items
return db.query(TABLE_NAME_FEED_ITEMS, SEL_FI_EXTRA,
KEY_CONTENT_ENCODED + " LIKE ?", new String[] { query },
KEY_CONTENT_ENCODED + " LIKE '%" + query + "%'", null,
null, null, null);
}
}