X-Git-Url: https://git.ktnx.net/?p=mobile-ledger-staging.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Fmodel%2FData.java;h=f0f3987789e56673285923eee2209dc915d10b13;hp=ba0c5a649460bd719b9c921bd861ea47d0615087;hb=8ca38438602c8addcbce91167d467e6da0ba962b;hpb=5a359190e685364d31efea72018babd8ed7f7239

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 ba0c5a64..f0f39877 100644
--- a/app/src/main/java/net/ktnx/mobileledger/model/Data.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/Data.java
@@ -1,31 +1,214 @@
 /*
- * 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 <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 androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.lifecycle.MutableLiveData;
+import androidx.lifecycle.Observer;
+
+import net.ktnx.mobileledger.App;
+import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
+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.ObservableValue;
+
+import java.text.NumberFormat;
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
+import java.util.Locale;
+import java.util.Objects;
+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<LedgerAccount>());
-    public static ObservableValue<List<String>> descriptions = new ObservableValue<>();
-    public static ObservableAtomicInteger backgroundTaskCount = new ObservableAtomicInteger(0);
-    public static ObservableValue<Date> lastUpdateDate = new ObservableValue<>();
-}
+    public static final MutableLiveData<Boolean> backgroundTasksRunning =
+            new MutableLiveData<>(false);
+    public static final MutableLiveData<RetrieveTransactionsTask.Progress> backgroundTaskProgress =
+            new MutableLiveData<>();
+    public static final MutableLiveData<ArrayList<MobileLedgerProfile>> profiles =
+            new MutableLiveData<>(null);
+    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 ObservableValue<String> lastTransactionsUpdateText =
+            new ObservableValue<>();
+    public static final ObservableValue<String> lastAccountsUpdateText = new ObservableValue<>();
+    private static final MutableLiveData<MobileLedgerProfile> profile =
+            new InertMutableLiveData<>();
+    private static final AtomicInteger backgroundTaskCount = new AtomicInteger(0);
+    private static final Locker profilesLocker = new Locker();
+
+    static {
+        locale.setValue(Locale.getDefault());
+    }
+
+    @NonNull
+    public static MobileLedgerProfile getProfile() {
+        return Objects.requireNonNull(profile.getValue());
+    }
+    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());
+        profile.setValue(newProfile);
+    }
+    public static void postCurrentProfile(@NonNull MobileLedgerProfile newProfile) {
+        MLDB.setOption(MLDB.OPT_PROFILE_UUID, newProfile.getUuid());
+        profile.postValue(newProfile);
+    }
+    public static int getProfileIndex(MobileLedgerProfile profile) {
+        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;
+
+        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<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 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');
+        }
+        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<MobileLedgerProfile> 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);
+        Logger.debug("profile", "initProfile() returning " + startupProfile);
+        return startupProfile;
+    }
+
+    public static void removeProfileObservers(LifecycleOwner owner) {
+        profile.removeObservers(owner);
+    }
+}
\ No newline at end of file