/*
- * 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.util.Log;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.LiveData;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
+
+import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
+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.LockHolder;
-import net.ktnx.mobileledger.utils.MLDB;
-import net.ktnx.mobileledger.utils.ObservableList;
-import net.ktnx.mobileledger.utils.ObservableValue;
+import org.jetbrains.annotations.NotNull;
-import java.util.ArrayList;
+import java.text.DecimalFormatSymbols;
+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.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<>());
- private static AtomicInteger backgroundTaskCount = new AtomicInteger(0);
- public static MutableLiveData<Boolean> backgroundTasksRunning = new MutableLiveData<>(false);
- public static MutableLiveData<Date> lastUpdateDate = new MutableLiveData<>();
- public static ObservableValue<MobileLedgerProfile> profile = new ObservableValue<>();
- public static ObservableList<MobileLedgerProfile> profiles =
- new ObservableList<>(new ArrayList<>());
- public static ObservableValue<Boolean> optShowOnlyStarred = new ObservableValue<>();
- public static MutableLiveData<String> accountFilter = new MutableLiveData<>();
+ 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<>();
+ public static final String decimalDot = ".";
+
+ private static final MutableLiveData<Profile> profile = new MutableLiveData<>();
+ private static final AtomicInteger backgroundTaskCount = new AtomicInteger(0);
+ private static final Locker profilesLocker = new Locker();
+ private static NumberFormat numberFormatter;
+ private static String decimalSeparator = "";
+
+ static {
+ locale.setValue(Locale.getDefault());
+ }
+
+ public static String getDecimalSeparator() {
+ return decimalSeparator;
+ }
+ @Nullable
+ public static Profile getProfile() {
+ return profile.getValue();
+ }
public static void backgroundTaskStarted() {
int cnt = backgroundTaskCount.incrementAndGet();
- Log.d("data", String.format("background task count is %d after incrementing", cnt));
+ 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();
- Log.d("data", String.format("background task count is %d after decrementing", cnt));
+ 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);
+ public static void setCurrentProfile(@NonNull Profile newProfile) {
+ profile.setValue(newProfile);
}
- public static int getProfileIndex(MobileLedgerProfile profile) {
- try (LockHolder lh = profiles.lockForReading()) {
- for (int i = 0; i < profiles.size(); i++) {
- MobileLedgerProfile p = profiles.get(i);
- if (p.equals(profile)) return i;
- }
-
- return -1;
- }
+ public static void postCurrentProfile(@NonNull Profile newProfile) {
+ profile.postValue(newProfile);
}
- public static int getProfileIndex(String profileUUID) {
- try (LockHolder lh = profiles.lockForReading()) {
- for (int i = 0; i < profiles.size(); i++) {
- MobileLedgerProfile p = profiles.get(i);
- if (p.getUuid().equals(profileUUID)) return i;
- }
-
- return -1;
+ 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));
+
+ 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');
}
- }
- 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 = MLDB.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.setMinimumIntegerDigits(1);
+ newNumberFormatter.setMinimumFractionDigits(2);
- return -1;
+ numberFormatter = newNumberFormatter;
+
+ decimalSeparator = String.valueOf(DecimalFormatSymbols.getInstance(locale)
+ .getMonetaryDecimalSeparator());
}
- public static MobileLedgerProfile getProfile(String profileUUID) {
- MobileLedgerProfile profile;
- if (profiles.isEmpty()) {
- profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
- }
- else {
- try (LockHolder lh = profiles.lockForReading()) {
- int i = getProfileIndex(profileUUID);
- if (i == -1) i = 0;
- profile = profiles.get(i);
- }
- }
- return profile;
+ @NotNull
+ public static String formatCurrency(float number) {
+ NumberFormat formatter = NumberFormat.getCurrencyInstance(locale.getValue());
+ return formatter.format(number);
+ }
+ @NotNull
+ public static String formatNumber(float number) {
+ return numberFormatter.format(number);
+ }
+ public static void observeProfile(LifecycleOwner lifecycleOwner, Observer<Profile> observer) {
+ profile.observe(lifecycleOwner, observer);
+ }
+ 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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