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;
23 import android.util.Log;
25 import net.ktnx.mobileledger.model.Data;
26 import net.ktnx.mobileledger.utils.MLDB;
28 import java.util.HashMap;
31 public class RefreshDescriptionsTask extends AsyncTask<Void, Void, Void> {
33 protected Void doInBackground(Void... voids) {
34 Map<String, Boolean> unique = new HashMap<>();
36 Log.d("descriptions", "Starting refresh");
37 SQLiteDatabase db = MLDB.getWritableDatabase();
39 Data.backgroundTaskCount.incrementAndGet();
41 db.beginTransaction();
43 db.execSQL("UPDATE description_history set keep=0");
45 .rawQuery("SELECT distinct description from transactions", null))
47 while (c.moveToNext()) {
48 String description = c.getString(0);
49 String descriptionUpper = description.toUpperCase();
50 if (unique.containsKey(descriptionUpper)) continue;
53 "replace into description_history(description, description_upper, " +
54 "keep) values(?, ?, 1)", new String[]{description, descriptionUpper});
55 unique.put(descriptionUpper, true);
58 db.execSQL("DELETE from description_history where keep=0");
59 db.setTransactionSuccessful();
60 Log.d("descriptions", "Refresh successful");
67 Data.backgroundTaskCount.decrementAndGet();
68 Log.d("descriptions", "Refresh done");