update account list once every 24 hours

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / LatestTransactions.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/LatestTransactions.java b/app/src/main/java/net/ktnx/mobileledger/LatestTransactions.java
index 8e0269f58d068a6223b51ffd6f8e6a2797e1a1ec..27ea5cd27efd047b624e2f2590ce82b58c517134 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/LatestTransactions.java
+++ b/app/src/main/java/net/ktnx/mobileledger/LatestTransactions.java
@@ -2,8 +2,11 @@ package net.ktnx.mobileledger;
 
 import android.content.Intent;
 import android.content.pm.PackageInfo;
+import android.content.res.Resources;
+import android.os.Build;
 import android.os.Bundle;
 import android.preference.PreferenceManager;
+import android.support.design.widget.Snackbar;
 import android.support.v4.view.GravityCompat;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBarDrawerToggle;
@@ -13,15 +16,19 @@ import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
+import android.widget.ProgressBar;
+import android.widget.TextView;
 
 import java.util.Date;
 
+import static android.view.View.GONE;
 import static net.ktnx.mobileledger.MobileLedgerDB.db;
+import static net.ktnx.mobileledger.MobileLedgerDB.set_option_value;
 
 public class LatestTransactions extends AppCompatActivity {
     DrawerLayout drawer;
 
-    private static Date account_list_last_updated;
+    private static long account_list_last_updated;
     private static boolean account_list_needs_update = true;
     public static void preferences_changed() {
         account_list_needs_update = true;
@@ -46,9 +53,11 @@ public class LatestTransactions extends AppCompatActivity {
             PackageInfo pi = getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
             ver.setText(pi.versionName);
         } catch (Exception e) {
+            e.printStackTrace();
         }
 
-        update_accounts();
+        prepare_db();
+        update_accounts(false);
     }
 
     public void fab_new_transaction_clicked(View view) {
@@ -99,13 +108,54 @@ public class LatestTransactions extends AppCompatActivity {
     }
 
     private void prepare_db() {
-        MobileLedgerDB.setDb_filename(this.getApplicationInfo().deviceProtectedDataDir + "/" + MobileLedgerDB.DATABASE_NAME);
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
+            MobileLedgerDB.setDb_filename(this.getApplicationInfo().deviceProtectedDataDir + "/" + MobileLedgerDB.DATABASE_NAME);
+        }
+        else {
+            MobileLedgerDB.setDb_filename(MobileLedgerDB.DATABASE_NAME);
+        }
         MobileLedgerDB.initDB();
+
+        account_list_last_updated = MobileLedgerDB.get_option_value("last_refresh", (long) 0);
+
     }
-    private void update_accounts() {
-        prepare_db();
 
-        RetrieveAccountsTask task = new RetrieveAccountsTask();
+    private void update_accounts(boolean force) {
+        long now = new Date().getTime();
+        if ((now > (account_list_last_updated + (24 * 3600*1000))) || force) {
+            Log.d("db", "accounts last updated at " + account_list_last_updated+" and now is " + now+". re-fetching");
+            update_accounts();
+        }
+    }
+
+    private void update_accounts() {
+        Resources rm = getResources();
+
+        ProgressBar pb = findViewById(R.id.progressBar);
+        pb.setVisibility(View.VISIBLE);
+        TextView pt = findViewById(R.id.textProgress);
+        pt.setVisibility(View.VISIBLE);
+        pb.setIndeterminate(true);
+
+        RetrieveAccountsTask task = new RetrieveAccountsTask() {
+            @Override
+            protected void onProgressUpdate(Integer... values) {
+                if ( values[0] == 0 )
+                    pt.setText(R.string.progress_connecting);
+                else
+                    pt.setText(String.format(getResources().getString(R.string.progress_N_accounts_loaded), values[0]));
+            }
+
+            @Override
+            protected void onPostExecute(Void result) {
+                pb.setVisibility(GONE);
+                pt.setVisibility(GONE);
+                if (this.error != 0)
+                    Snackbar.make(drawer, rm.getString(this.error), Snackbar.LENGTH_LONG );
+                else
+                    set_option_value("last_refresh", new Date().getTime() );
+            }
+        };
 
         task.setPref(PreferenceManager.getDefaultSharedPreferences(this));
         task.execute(db);