X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Fmodel%2FData.java;h=7687d237f2279da693d04d27a2448b0e02139b8d;hp=89d29c4dc0b3894d67aec66a1b9b3fefaf3053dc;hb=f397735f4ef56cc287e3345d23eac91909e3e2f3;hpb=a1d55154e1c9fb72fcd60de31d6e64e8d046f96d

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..7687d237 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 +1,151 @@
 /*
  * Copyright © 2019 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * 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 android.os.AsyncTask;
+
+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.ObservableValue;
+
+import java.lang.ref.WeakReference;
+import java.util.ArrayList;
+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 TransactionList transactions = new TransactionList();
-    public static ObservableValue<List<LedgerAccount>> accounts = new ObservableValue<>();
-    public static ObservableValue<List<String>> descriptions = new ObservableValue<>();
-    public static ObservableAtomicInteger backgroundTaskCount = new ObservableAtomicInteger(0);
+    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 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());
+        stopTransactionsRetrieval();
+        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;
+            }
+
+            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;
+            }
+
+            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;
+    }
+    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;
+        }
+        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;
+    }
 }