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Code Issues Releases Wiki Activity

Batch mark FTS indexed

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This commit is contained in:
M66B 2020-01-15 15:25:33 +01:00
parent 04716fc06f
commit 25179787be
1 changed files with 25 additions and 2 deletions
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27
app/src/main/java/eu/faircode/email/WorkerFts.java
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@ -32,6 +32,8 @@ import androidx.work.Worker;
import androidx.work.WorkerParameters;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import io.requery.android.database.sqlite.SQLiteDatabase;
@ -40,6 +42,7 @@ import static android.os.Process.THREAD_PRIORITY_BACKGROUND;
public class WorkerFts extends Worker {
private static final int INDEX_DELAY = 30; // seconds
private static final int INDEX_BATCH_SIZE = 500;
public WorkerFts(@NonNull Context context, @NonNull WorkerParameters workerParams) {
super(context, workerParams);
@ -55,24 +58,32 @@ public class WorkerFts extends Worker {
Log.i("FTS index");
int indexed = 0;
List<Long> ids = new ArrayList<>(INDEX_BATCH_SIZE);
DB db = DB.getInstance(getApplicationContext());
SQLiteDatabase sdb = FtsDbHelper.getInstance(getApplicationContext());
try (Cursor cursor = db.message().getMessageFts()) {
while (cursor.moveToNext()) {
EntityMessage message = db.message().getMessage(cursor.getLong(0));
long id = cursor.getLong(0);
EntityMessage message = db.message().getMessage(id);
if (message != null)
try {
Log.i("FTS index=" + message.id);
File file = message.getFile(getApplicationContext());
String html = Helper.readText(file);
String text = HtmlHelper.getText(html);
FtsDbHelper.insert(sdb, message, text);
db.message().setMessageFts(message.id, true);
indexed++;
ids.add(id);
if (ids.size() > INDEX_BATCH_SIZE)
markIndexed(db, ids);
} catch (Throwable ex) {
Log.e(ex);
}
}
markIndexed(db, ids);
}
Log.i("FTS indexed=" + indexed);
@ -83,6 +94,18 @@ public class WorkerFts extends Worker {
}
}
private void markIndexed(DB db, List<Long> ids) {
try {
db.beginTransaction();
for (Long id : ids)
db.message().setMessageFts(id, true);
db.setTransactionSuccessful();
} finally {
db.endTransaction();
}
ids.clear();
}
static void init(Context context, boolean immediately) {
try {
SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);