2 * Copyright © 2019 Damyan Ivanov.
3 * This file is part of MoLe.
4 * MoLe is free software: you can distribute it and/or modify it
5 * under the term of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your opinion), any later version.
9 * MoLe is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License terms for details.
14 * You should have received a copy of the GNU General Public License
15 * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.async;
20 import android.database.Cursor;
21 import android.database.sqlite.SQLiteDatabase;
22 import android.os.AsyncTask;
24 import net.ktnx.mobileledger.App;
25 import net.ktnx.mobileledger.model.Data;
27 import java.util.HashMap;
30 import static net.ktnx.mobileledger.utils.Logger.debug;
32 public class RefreshDescriptionsTask extends AsyncTask<Void, Void, Void> {
34 protected Void doInBackground(Void... voids) {
35 Map<String, Boolean> unique = new HashMap<>();
37 debug("descriptions", "Starting refresh");
38 SQLiteDatabase db = App.getDatabase();
40 Data.backgroundTaskStarted();
42 db.beginTransaction();
44 db.execSQL("UPDATE description_history set keep=0");
46 .rawQuery("SELECT distinct description from transactions", null))
48 while (c.moveToNext()) {
49 String description = c.getString(0);
50 String descriptionUpper = description.toUpperCase();
51 if (unique.containsKey(descriptionUpper)) continue;
54 "replace into description_history(description, description_upper, " +
55 "keep) values(?, ?, 1)", new String[]{description, descriptionUpper});
56 unique.put(descriptionUpper, true);
59 db.execSQL("DELETE from description_history where keep=0");
60 db.setTransactionSuccessful();
61 debug("descriptions", "Refresh successful");
68 Data.backgroundTaskFinished();
69 debug("descriptions", "Refresh done");