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=223a61e8aa7ebe621a2df2b3b051c2d589a31378;hp=5e08297e3752ca9e0576c9e6e9fd0aa6a75332dd;hb=112fd782066d4eb759a104eaf7116b310e0d47d5;hpb=0fc2ddc465cd9b9314ae336e69535020a96a7fbc

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 5e08297e..223a61e8 100644
--- a/app/src/main/java/net/ktnx/mobileledger/model/Data.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/Data.java
@@ -19,7 +19,11 @@ 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;
@@ -27,8 +31,10 @@ 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;
 
@@ -44,11 +50,12 @@ public final class Data {
     public static MutableLiveData<Date> lastUpdateDate = new MutableLiveData<>();
     public static MutableLiveData<MobileLedgerProfile> profile = new MutableLiveData<>();
     public static MutableLiveData<ArrayList<MobileLedgerProfile>> profiles =
-            new MutableLiveData<>(new ArrayList<>());
+            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",
@@ -64,13 +71,14 @@ public final class Data {
         backgroundTasksRunning.postValue(cnt > 0);
     }
     public static void setCurrentProfile(MobileLedgerProfile newProfile) {
-        MLDB.setOption(MLDB.OPT_PROFILE_UUID, newProfile.getUuid());
+        MLDB.setOption(MLDB.OPT_PROFILE_UUID, (newProfile == null) ? null : 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;
+            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;
@@ -83,7 +91,7 @@ public final class Data {
     public static int getProfileIndex(String profileUUID) {
         try (LockHolder ignored = profilesLocker.lockForReading()) {
             List<MobileLedgerProfile> prList = profiles.getValue();
-            assert prList != null;
+            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;
@@ -96,7 +104,7 @@ public final class Data {
         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
         if (profileUUID == null) return -1;
 
-        SQLiteDatabase db = MLDB.getDatabase();
+        SQLiteDatabase db = App.getDatabase();
         try (Cursor c = db
                 .rawQuery("SELECT theme from profiles where uuid=?", new String[]{profileUUID}))
         {
@@ -109,8 +117,7 @@ public final class Data {
         MobileLedgerProfile profile;
         try (LockHolder readLock = profilesLocker.lockForReading()) {
             List<MobileLedgerProfile> prList = profiles.getValue();
-            assert prList != null;
-            if (prList.isEmpty()) {
+            if ((prList == null) || prList.isEmpty()) {
                 readLock.close();
                 try (LockHolder ignored = profilesLocker.lockForWriting()) {
                     profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
@@ -124,4 +131,24 @@ public final class Data {
         }
         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) 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 synchronized void stopTransactionsRetrieval() {
+        if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
+    }
+    public static void transactionRetrievalDone() {
+        retrieveTransactionsTask = null;
+    }
 }