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package eu.faircode.email;
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2020 by Marcel Bokhorst (M66B)
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*/
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import android.content.Context;
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import android.content.SharedPreferences;
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import android.database.Cursor;
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import androidx.annotation.NonNull;
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import androidx.preference.PreferenceManager;
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import androidx.work.ExistingWorkPolicy;
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import androidx.work.OneTimeWorkRequest;
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import androidx.work.WorkManager;
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import androidx.work.Worker;
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import androidx.work.WorkerParameters;
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import java.io.File;
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import java.util.concurrent.TimeUnit;
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import io.requery.android.database.sqlite.SQLiteDatabase;
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public class WorkerFts extends Worker {
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public WorkerFts(@NonNull Context context, @NonNull WorkerParameters workerParams) {
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super(context, workerParams);
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Log.i("Instance " + getName());
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}
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@NonNull
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@Override
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public Result doWork() {
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try {
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Log.i("FTS index");
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int indexed = 0;
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FtsDbHelper ftsDb = new FtsDbHelper(getApplicationContext());
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try (SQLiteDatabase sdb = ftsDb.getWritableDatabase()) {
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DB db = DB.getInstance(getApplicationContext());
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try (Cursor cursor = db.message().getMessageFts()) {
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while (cursor.moveToNext()) {
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EntityMessage message = db.message().getMessage(cursor.getLong(0));
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if (message != null)
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try {
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Log.i("FTS index=" + message.id);
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File file = message.getFile(getApplicationContext());
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String html = Helper.readText(file);
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ftsDb.insert(sdb, message, HtmlHelper.getText(html));
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db.message().setMessageFts(message.id, true);
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indexed++;
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} catch (Throwable ex) {
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Log.e(ex);
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}
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}
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}
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}
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Log.i("FTS indexed=" + indexed);
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return Result.success();
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} catch (Throwable ex) {
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Log.e(ex);
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return Result.failure();
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}
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}
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static void init(Context context) {
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try {
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SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
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boolean fts = prefs.getBoolean("fts", true);
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if (fts) {
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Log.i("Queuing " + getName());
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OneTimeWorkRequest workRequest =
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new OneTimeWorkRequest.Builder(WorkerFts.class)
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.setInitialDelay(30, TimeUnit.SECONDS)
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.build();
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WorkManager.getInstance(context)
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.enqueueUniqueWork(getName(), ExistingWorkPolicy.REPLACE, workRequest);
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Log.i("Queued " + getName());
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} else {
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Log.i("Cancelling " + getName());
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WorkManager.getInstance(context).cancelUniqueWork(getName());
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Log.i("Cancelled " + getName());
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}
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} catch (IllegalStateException ex) {
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// https://issuetracker.google.com/issues/138465476
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Log.w(ex);
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}
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}
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private static String getName() {
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return WorkerFts.class.getSimpleName();
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}
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}
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