/*
* Copyright © 2019 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * 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.model;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.AsyncTask;
+
+import net.ktnx.mobileledger.App;
+import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
+import net.ktnx.mobileledger.ui.activity.MainActivity;
+import net.ktnx.mobileledger.utils.LockHolder;
+import net.ktnx.mobileledger.utils.Locker;
+import net.ktnx.mobileledger.utils.Logger;
import net.ktnx.mobileledger.utils.MLDB;
-import net.ktnx.mobileledger.utils.ObservableAtomicInteger;
import net.ktnx.mobileledger.utils.ObservableList;
import net.ktnx.mobileledger.utils.ObservableValue;
+import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Date;
+import java.util.List;
+import java.util.Locale;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import androidx.lifecycle.MutableLiveData;
+
+import static net.ktnx.mobileledger.utils.Logger.debug;
public final class Data {
- public static TransactionList transactions = new TransactionList();
- public static ObservableValue<ArrayList<LedgerAccount>> accounts =
- new ObservableValue<>(new ArrayList<>());
- public static ObservableAtomicInteger backgroundTaskCount = new ObservableAtomicInteger(0);
- public static ObservableValue<Date> lastUpdateDate = new ObservableValue<>();
- public static ObservableValue<MobileLedgerProfile> profile = new ObservableValue<>();
- public static ObservableList<MobileLedgerProfile> profiles =
+ public static ObservableList<TransactionListItem> transactions =
new ObservableList<>(new ArrayList<>());
+ public static ObservableList<LedgerAccount> accounts = new ObservableList<>(new ArrayList<>());
+ public static MutableLiveData<Boolean> backgroundTasksRunning = new MutableLiveData<>(false);
+ public static MutableLiveData<Date> lastUpdateDate = new MutableLiveData<>();
+ public static MutableLiveData<MobileLedgerProfile> profile = new MutableLiveData<>();
+ public static MutableLiveData<ArrayList<MobileLedgerProfile>> profiles =
+ new MutableLiveData<>(null);
public static ObservableValue<Boolean> optShowOnlyStarred = new ObservableValue<>();
+ public static MutableLiveData<String> accountFilter = new MutableLiveData<>();
+ private static AtomicInteger backgroundTaskCount = new AtomicInteger(0);
+ private static Locker profilesLocker = new Locker();
+ private static RetrieveTransactionsTask retrieveTransactionsTask;
+ public static void backgroundTaskStarted() {
+ int cnt = backgroundTaskCount.incrementAndGet();
+ debug("data",
+ String.format(Locale.ENGLISH, "background task count is %d after incrementing",
+ cnt));
+ backgroundTasksRunning.postValue(cnt > 0);
+ }
+ public static void backgroundTaskFinished() {
+ int cnt = backgroundTaskCount.decrementAndGet();
+ debug("data",
+ String.format(Locale.ENGLISH, "background task count is %d after decrementing",
+ cnt));
+ backgroundTasksRunning.postValue(cnt > 0);
+ }
public static void setCurrentProfile(MobileLedgerProfile newProfile) {
MLDB.setOption(MLDB.OPT_PROFILE_UUID, newProfile.getUuid());
- profile.set(newProfile);
+ stopTransactionsRetrieval();
+ profile.postValue(newProfile);
+ }
+ public static int getProfileIndex(MobileLedgerProfile profile) {
+ try (LockHolder ignored = profilesLocker.lockForReading()) {
+ List<MobileLedgerProfile> prList = profiles.getValue();
+ assert prList != null;
+ for (int i = 0; i < prList.size(); i++) {
+ MobileLedgerProfile p = prList.get(i);
+ if (p.equals(profile)) return i;
+ }
+
+ return -1;
+ }
+ }
+ @SuppressWarnings("WeakerAccess")
+ public static int getProfileIndex(String profileUUID) {
+ try (LockHolder ignored = profilesLocker.lockForReading()) {
+ List<MobileLedgerProfile> prList = profiles.getValue();
+ assert prList != null;
+ for (int i = 0; i < prList.size(); i++) {
+ MobileLedgerProfile p = prList.get(i);
+ if (p.getUuid().equals(profileUUID)) return i;
+ }
+
+ return -1;
+ }
+ }
+ public static int retrieveCurrentThemeIdFromDb() {
+ String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
+ if (profileUUID == null) return -1;
+
+ SQLiteDatabase db = App.getDatabase();
+ try (Cursor c = db
+ .rawQuery("SELECT theme from profiles where uuid=?", new String[]{profileUUID}))
+ {
+ if (c.moveToNext()) return c.getInt(0);
+ }
+
+ return -1;
+ }
+ public static MobileLedgerProfile getProfile(String profileUUID) {
+ MobileLedgerProfile profile;
+ try (LockHolder readLock = profilesLocker.lockForReading()) {
+ List<MobileLedgerProfile> prList = profiles.getValue();
+ if ((prList == null) || prList.isEmpty()) {
+ readLock.close();
+ try (LockHolder ignored = profilesLocker.lockForWriting()) {
+ profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
+ }
+ }
+ else {
+ int i = getProfileIndex(profileUUID);
+ if (i == -1) i = 0;
+ profile = prList.get(i);
+ }
+ }
+ return profile;
+ }
+ public synchronized static void scheduleTransactionListRetrieval(MainActivity activity) {
+ if (retrieveTransactionsTask != null) {
+ Logger.debug("db", "Ignoring request for transaction retrieval - already active");
+ return;
+ }
+ retrieveTransactionsTask =
+ new RetrieveTransactionsTask(new WeakReference<>(activity), profile.getValue());
+ Logger.debug("db", "Created a background transaction retrieval task");
+
+ retrieveTransactionsTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
+ }
+ public static synchronized void stopTransactionsRetrieval() {
+ if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
+ }
+ public static void transactionRetrievalDone() {
+ retrieveTransactionsTask = null;
}
}
projects / mobile-ledger.git / blobdiff