/*
- * Copyright © 2018 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * Copyright © 2019 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe is free software: you can distribute it and/or modify it
* under the term of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your opinion), any later version.
*
- * Mobile-Ledger is distributed in the hope that it will be useful,
+ * MoLe is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License terms for details.
*
* You should have received a copy of the GNU General Public License
- * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
*/
package net.ktnx.mobileledger.ui.transaction_list;
-import android.arch.lifecycle.ViewModel;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
+import android.os.AsyncTask;
-import net.ktnx.mobileledger.model.LedgerTransaction;
-import net.ktnx.mobileledger.utils.MobileLedgerDatabase;
+import net.ktnx.mobileledger.async.UpdateTransactionsTask;
+import net.ktnx.mobileledger.model.Data;
+import net.ktnx.mobileledger.model.TransactionListItem;
+import net.ktnx.mobileledger.utils.LockHolder;
+import net.ktnx.mobileledger.utils.ObservableValue;
-import java.util.ArrayList;
-import java.util.List;
+import androidx.lifecycle.ViewModel;
public class TransactionListViewModel extends ViewModel {
+ public static ObservableValue<Boolean> updating = new ObservableValue<>();
+ public static ObservableValue<String> updateError = new ObservableValue<>();
- private List<LedgerTransaction> transactions;
+ public static void scheduleTransactionListReload() {
+ if (Data.profile.get() == null) return;
- public List<LedgerTransaction> getTransactions(MobileLedgerDatabase dbh) {
- if (transactions == null) {
- transactions = new ArrayList<>();
- reloadTransactions(dbh);
+ String filter = Data.accountFilter.getValue();
+ AsyncTask<String, Void, String> task = new UTT();
+ task.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, filter);
+ }
+ public static TransactionListItem getTransactionListItem(int position) {
+ try(LockHolder lh = Data.transactions.lockForReading()) {
+ if (Data.transactions == null) return null;
+ if (position >= Data.transactions.size() + 1) return null;
+ if (position == Data.transactions.size()) return new TransactionListItem();
+ return Data.transactions.get(position);
}
-
- return transactions;
}
- private void reloadTransactions(MobileLedgerDatabase dbh) {
- transactions.clear();
- String sql = "SELECT id, date, description FROM transactions";
- sql += " ORDER BY date desc, id desc";
-
- try (SQLiteDatabase db = dbh.getReadableDatabase()) {
- try (Cursor cursor = db.rawQuery(sql, null)) {
- while (cursor.moveToNext()) {
- LedgerTransaction tr =
- new LedgerTransaction(cursor.getString(0), cursor.getString(1),
- cursor.getString(2));
- // TODO: fill accounts and amounts
- transactions.add(tr);
- }
- }
+ private static class UTT extends UpdateTransactionsTask {
+ @Override
+ protected void onPostExecute(String error) {
+ super.onPostExecute(error);
+ if (error != null) updateError.set(error);
}
-
}
}