X-Git-Url: https://git.ktnx.net/?a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Fmodel%2FData.java;h=02ba81d454ad9acddbeadad301091df7a7c251d4;hb=0ce370cea3c5c980b6eeb14acf965188ae951f51;hp=89d29c4dc0b3894d67aec66a1b9b3fefaf3053dc;hpb=a1d55154e1c9fb72fcd60de31d6e64e8d046f96d;p=mobile-ledger.git
diff --git a/app/src/main/java/net/ktnx/mobileledger/model/Data.java b/app/src/main/java/net/ktnx/mobileledger/model/Data.java
index 89d29c4d..02ba81d4 100644
--- a/app/src/main/java/net/ktnx/mobileledger/model/Data.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/Data.java
@@ -1,27 +1,229 @@
/*
- * Copyright © 2019 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * Copyright © 2020 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 .
+ * along with MoLe. If not, see .
*/
package net.ktnx.mobileledger.model;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.os.AsyncTask;
+
+import androidx.lifecycle.MutableLiveData;
+
+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.ObservableList;
+import net.ktnx.mobileledger.utils.SimpleDate;
+
+import java.lang.ref.WeakReference;
+import java.text.NumberFormat;
+import java.util.ArrayList;
+import java.util.Date;
import java.util.List;
+import java.util.Locale;
+import java.util.concurrent.atomic.AtomicInteger;
+
+import static net.ktnx.mobileledger.utils.Logger.debug;
public final class Data {
- public static TransactionList transactions = new TransactionList();
- public static ObservableValue> accounts = new ObservableValue<>();
- public static ObservableValue> descriptions = new ObservableValue<>();
- public static ObservableAtomicInteger backgroundTaskCount = new ObservableAtomicInteger(0);
-}
+ public static final ObservableList transactions =
+ new ObservableList<>(new ArrayList<>());
+ public static final MutableLiveData earliestTransactionDate =
+ new MutableLiveData<>(null);
+ public static final MutableLiveData latestTransactionDate =
+ new MutableLiveData<>(null);
+ public static final MutableLiveData backgroundTasksRunning =
+ new MutableLiveData<>(false);
+ public static final MutableLiveData lastUpdateDate = new MutableLiveData<>();
+ public static final MutableLiveData> profiles =
+ new MutableLiveData<>(null);
+ public static final MutableLiveData accountFilter = new MutableLiveData<>();
+ public static final MutableLiveData currencySymbolPosition =
+ new MutableLiveData<>();
+ public static final MutableLiveData currencyGap = new MutableLiveData<>(true);
+ public static final MutableLiveData locale = new MutableLiveData<>(Locale.getDefault());
+ private static final MutableLiveData profile =
+ new InertMutableLiveData<>();
+ private static final AtomicInteger backgroundTaskCount = new AtomicInteger(0);
+ private static final Locker profilesLocker = new Locker();
+ public static MutableLiveData foundTransactionItemIndex = new MutableLiveData<>(null);
+ private static RetrieveTransactionsTask retrieveTransactionsTask;
+ @NonNull
+ public static MobileLedgerProfile getProfile() {
+ return Objects.requireNonNull(profile.getValue());
+ }
+ public static final MutableLiveData drawerOpen = new MutableLiveData<>(false);
+ 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(@NonNull MobileLedgerProfile newProfile) {
+ MLDB.setOption(MLDB.OPT_PROFILE_UUID, newProfile.getUuid());
+ stopTransactionsRetrieval();
+ profile.setValue(newProfile);
+ }
+ public static int getProfileIndex(MobileLedgerProfile profile) {
+ try (LockHolder ignored = profilesLocker.lockForReading()) {
+ List prList = profiles.getValue();
+ if (prList == null)
+ throw new AssertionError();
+ 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 prList = profiles.getValue();
+ if (prList == null)
+ throw new AssertionError();
+ 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;
+ }
+ @Nullable
+ public static MobileLedgerProfile getProfile(String profileUUID) {
+ MobileLedgerProfile profile;
+ try (LockHolder readLock = profilesLocker.lockForReading()) {
+ List 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;
+ }
+ MobileLedgerProfile pr = profile.getValue();
+ if (pr == null) {
+ Logger.debug("ui", "Ignoring refresh -- no current profile");
+ 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;
+ }
+ public static void refreshCurrencyData(Locale locale) {
+ NumberFormat formatter = NumberFormat.getCurrencyInstance(locale);
+ java.util.Currency currency = formatter.getCurrency();
+ String symbol = currency.getSymbol();
+ Logger.debug("locale", String.format(
+ "Discovering currency symbol position for locale %s (currency is %s; symbol is %s)",
+ locale.toString(), currency.toString(), symbol));
+ String formatted = formatter.format(1234.56f);
+ Logger.debug("locale", String.format("1234.56 formats as '%s'", formatted));
+
+ if (formatted.startsWith(symbol)) {
+ currencySymbolPosition.setValue(Currency.Position.before);
+
+ // is the currency symbol directly followed by the first formatted digit?
+ final char canary = formatted.charAt(symbol.length());
+ currencyGap.setValue(canary != '1');
+ }
+ else if (formatted.endsWith(symbol)) {
+ currencySymbolPosition.setValue(Currency.Position.after);
+
+ // is the currency symbol directly preceded bu the last formatted digit?
+ final char canary = formatted.charAt(formatted.length() - symbol.length() - 1);
+ currencyGap.setValue(canary != '6');
+ }
+ else
+ currencySymbolPosition.setValue(Currency.Position.none);
+ }
+
+ public static void observeProfile(LifecycleOwner lifecycleOwner,
+ Observer observer) {
+ profile.observe(lifecycleOwner, observer);
+ }
+ public synchronized static MobileLedgerProfile initProfile() {
+ MobileLedgerProfile currentProfile = profile.getValue();
+ if (currentProfile != null)
+ return currentProfile;
+
+ String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
+ MobileLedgerProfile startupProfile = getProfile(profileUUID);
+ if (startupProfile != null)
+ setCurrentProfile(startupProfile);
+ return startupProfile;
+ }
+
+ public static void removeProfileObservers(LifecycleOwner owner) {
+ profile.removeObservers(owner);
+ }
+}
\ No newline at end of file