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.ObservableAtomicInteger;
import net.ktnx.mobileledger.utils.ObservableList;
-import net.ktnx.mobileledger.utils.ObservableValue;
+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<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 ObservableValue<Boolean> optShowOnlyStarred = new ObservableValue<>();
+ 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 MutableLiveData<String> accountFilter = new MutableLiveData<>();
+ public static MutableLiveData<Currency.Position> currencySymbolPosition =
+ new MutableLiveData<>();
+ public static MutableLiveData<Boolean> currencyGap = new MutableLiveData<>(true);
+ public static MutableLiveData<Locale> locale = new MutableLiveData<>(Locale.getDefault());
+ 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);
+ MLDB.setOption(MLDB.OPT_PROFILE_UUID, (newProfile == null) ? null : newProfile.getUuid());
+ stopTransactionsRetrieval();
+ profile.setValue(newProfile);
}
public static int getProfileIndex(MobileLedgerProfile profile) {
- List<MobileLedgerProfile> list = profiles.getList();
+ try (LockHolder ignored = profilesLocker.lockForReading()) {
+ List<MobileLedgerProfile> 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<MobileLedgerProfile> 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;
- for (int i = 0; i < list.size(); i++) {
- MobileLedgerProfile p = list.get(i);
- if (p.equals(profile)) return i;
+ 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;
+ }
+ 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);
+ }
+
+}
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