/*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2021 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
package net.ktnx.mobileledger.model;
-import android.database.Cursor;
-import android.database.sqlite.SQLiteDatabase;
-import android.os.AsyncTask;
+import androidx.annotation.NonNull;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
-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.db.DB;
+import net.ktnx.mobileledger.db.Profile;
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.ObservableValue;
-import java.lang.ref.WeakReference;
-import java.util.ArrayList;
+import java.text.NumberFormat;
+import java.text.ParseException;
+import java.text.ParsePosition;
import java.util.Date;
import java.util.List;
import java.util.Locale;
+import java.util.Objects;
import java.util.concurrent.atomic.AtomicInteger;
-import androidx.lifecycle.MutableLiveData;
-
import static net.ktnx.mobileledger.utils.Logger.debug;
public final class Data {
- 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 final MutableLiveData<Boolean> backgroundTasksRunning =
+ new MutableLiveData<>(false);
+ public static final MutableLiveData<RetrieveTransactionsTask.Progress> backgroundTaskProgress =
+ new MutableLiveData<>();
+ public static final LiveData<List<Profile>> profiles = DB.get().getProfileDAO().getAllOrdered();
+ public static final MutableLiveData<Currency.Position> currencySymbolPosition =
+ new MutableLiveData<>();
+ public static final MutableLiveData<Boolean> currencyGap = new MutableLiveData<>(true);
+ public static final MutableLiveData<Locale> locale = new MutableLiveData<>();
+ public static final MutableLiveData<Boolean> drawerOpen = new MutableLiveData<>(false);
+ public static final MutableLiveData<Date> lastUpdateDate = new MutableLiveData<>(null);
+ public static final MutableLiveData<Integer> lastUpdateTransactionCount =
+ new MutableLiveData<>(0);
+ public static final MutableLiveData<Integer> lastUpdateAccountCount = new MutableLiveData<>(0);
+ public static final MutableLiveData<String> lastTransactionsUpdateText =
+ new MutableLiveData<>();
+ public static final MutableLiveData<String> lastAccountsUpdateText = new MutableLiveData<>();
+ private static final MutableLiveData<Profile> profile =
+ new InertMutableLiveData<>();
+ private static final AtomicInteger backgroundTaskCount = new AtomicInteger(0);
+ private static final Locker profilesLocker = new Locker();
+ private static NumberFormat numberFormatter;
+
+ static {
+ locale.setValue(Locale.getDefault());
+ }
+
+ @NonNull
+ public static Profile getProfile() {
+ return Objects.requireNonNull(profile.getValue());
+ }
public static void backgroundTaskStarted() {
int cnt = backgroundTaskCount.incrementAndGet();
debug("data",
cnt));
backgroundTasksRunning.postValue(cnt > 0);
}
- public static void setCurrentProfile(MobileLedgerProfile newProfile) {
- MLDB.setOption(MLDB.OPT_PROFILE_UUID, newProfile.getUuid());
- stopTransactionsRetrieval();
+ public static void setCurrentProfile(@NonNull Profile newProfile) {
+ profile.setValue(newProfile);
+ }
+ public static void postCurrentProfile(@NonNull Profile newProfile) {
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;
- }
+ public static void refreshCurrencyData(Locale locale) {
+ NumberFormat formatter = NumberFormat.getCurrencyInstance(locale);
+ java.util.Currency currency = formatter.getCurrency();
+ String symbol = currency != null ? currency.getSymbol() : "";
+ Logger.debug("locale", String.format(
+ "Discovering currency symbol position for locale %s (currency is %s; symbol is %s)",
+ locale.toString(), currency != null ? currency.toString() : "<none>", symbol));
+ String formatted = formatter.format(1234.56f);
+ Logger.debug("locale", String.format("1234.56 formats as '%s'", formatted));
- 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;
- }
+ if (formatted.startsWith(symbol)) {
+ currencySymbolPosition.setValue(Currency.Position.before);
- return -1;
+ // is the currency symbol directly followed by the first formatted digit?
+ final char canary = formatted.charAt(symbol.length());
+ currencyGap.setValue(canary != '1');
}
- }
- public static int retrieveCurrentThemeIdFromDb() {
- String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
- if (profileUUID == null) return -1;
+ else if (formatted.endsWith(symbol)) {
+ currencySymbolPosition.setValue(Currency.Position.after);
- 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);
+ // 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);
+
+ NumberFormat newNumberFormatter = NumberFormat.getNumberInstance();
+ newNumberFormatter.setParseIntegerOnly(false);
+ newNumberFormatter.setGroupingUsed(true);
+ newNumberFormatter.setGroupingUsed(true);
+ newNumberFormatter.setMinimumIntegerDigits(1);
+ newNumberFormatter.setMinimumFractionDigits(2);
- return -1;
+ numberFormatter = newNumberFormatter;
}
- 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 static String formatCurrency(float number) {
+ NumberFormat formatter = NumberFormat.getCurrencyInstance(locale.getValue());
+ return formatter.format(number);
}
- 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) throw new IllegalStateException("No current profile");
-
- 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 String formatNumber(float number) {
+ return numberFormatter.format(number);
}
- public static synchronized void stopTransactionsRetrieval() {
- if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
+ public static void observeProfile(LifecycleOwner lifecycleOwner,
+ Observer<Profile> observer) {
+ profile.observe(lifecycleOwner, observer);
}
- public static void transactionRetrievalDone() {
- retrieveTransactionsTask = null;
+ public static void removeProfileObservers(LifecycleOwner owner) {
+ profile.removeObservers(owner);
+ }
+ public static float parseNumber(String str) throws ParseException {
+ ParsePosition pos = new ParsePosition(0);
+ Number parsed = numberFormatter.parse(str);
+ if (parsed == null || pos.getErrorIndex() > -1)
+ throw new ParseException("Error parsing '" + str + "'", pos.getErrorIndex());
+
+ return parsed.floatValue();
}
-}
+}
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