move DB access routines to the application class

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

diff --git a/app/src/main/java/net/ktnx/mobileledger/async/UpdateTransactionsTask.java b/app/src/main/java/net/ktnx/mobileledger/async/UpdateTransactionsTask.java
index b3e2e0c519793173b87f3b60dcdb666948a02960..5093d50c952287846284c1390e07da2259453b23 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/async/UpdateTransactionsTask.java
+++ b/app/src/main/java/net/ktnx/mobileledger/async/UpdateTransactionsTask.java
@@ -1,18 +1,18 @@
 /*
  * 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.async;
@@ -20,53 +20,85 @@ package net.ktnx.mobileledger.async;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 import android.os.AsyncTask;
-import android.util.Log;
 
+import net.ktnx.mobileledger.App;
 import net.ktnx.mobileledger.model.Data;
 import net.ktnx.mobileledger.model.LedgerTransaction;
-import net.ktnx.mobileledger.utils.MLDB;
+import net.ktnx.mobileledger.model.MobileLedgerProfile;
+import net.ktnx.mobileledger.model.TransactionListItem;
+import net.ktnx.mobileledger.utils.Globals;
 
+import java.text.ParseException;
 import java.util.ArrayList;
-import java.util.List;
+import java.util.Date;
 
-public class UpdateTransactionsTask extends AsyncTask<String, Void, List<LedgerTransaction>> {
-    protected List<LedgerTransaction> doInBackground(String[] filterAccName) {
-        Data.backgroundTaskCount.incrementAndGet();
-        try {
-            ArrayList<LedgerTransaction> newList = new ArrayList<>();
+import static net.ktnx.mobileledger.utils.Logger.debug;
+
+public class UpdateTransactionsTask extends AsyncTask<String, Void, String> {
+    protected String doInBackground(String[] filterAccName) {
+        final MobileLedgerProfile profile = Data.profile.getValue();
+        if (profile == null) return "Profile not configured";
 
-            boolean hasFilter = (filterAccName != null) && (filterAccName.length > 0) &&
-                                (filterAccName[0] != null) && !filterAccName[0].isEmpty();
+        String profile_uuid = profile.getUuid();
+        Data.backgroundTaskStarted();
+        try {
+            ArrayList<TransactionListItem> newList = new ArrayList<>();
 
             String sql;
             String[] params;
 
-            sql = "SELECT id FROM transactions  ORDER BY date desc, id desc";
-            params = null;
+            if (filterAccName[0] == null) {
+                sql = "SELECT id, date FROM transactions WHERE profile=? ORDER BY date desc, id " +
+                      "desc";
+                params = new String[]{profile_uuid};
 
-            if (hasFilter) {
-                sql = "SELECT distinct tr.id from transactions tr JOIN transaction_accounts ta " +
-                      "ON ta.transaction_id=tr.id WHERE ta.account_name LIKE ?||'%' AND ta" +
+            }
+            else {
+                sql = "SELECT distinct tr.id, tr.date from transactions tr JOIN " +
+                      "transaction_accounts ta " +
+                      "ON ta.transaction_id=tr.id AND ta.profile=tr.profile WHERE tr.profile=? " +
+                      "and ta.account_name LIKE ?||'%' AND ta" +
                       ".amount <> 0 ORDER BY tr.date desc, tr.id desc";
-                params = filterAccName;
+                params = new String[]{profile_uuid, filterAccName[0]};
             }
 
-            Log.d("tmp", sql);
-            SQLiteDatabase db = MLDB.getReadableDatabase();
+            debug("UTT", sql);
+            SQLiteDatabase db = App.getDatabase();
+            String lastDateString = Globals.formatLedgerDate(new Date());
+            Date lastDate = Globals.parseLedgerDate(lastDateString);
+            boolean odd = true;
             try (Cursor cursor = db.rawQuery(sql, params)) {
                 while (cursor.moveToNext()) {
                     if (isCancelled()) return null;
 
-                    newList.add(new LedgerTransaction(cursor.getInt(0)));
+                    int transaction_id = cursor.getInt(0);
+                    String dateString = cursor.getString(1);
+                    Date date = Globals.parseLedgerDate(dateString);
+
+                    if (!lastDateString.equals(dateString)) {
+                        boolean showMonth = (date.getMonth() != lastDate.getMonth() ||
+                                             date.getYear() != lastDate.getYear());
+                        newList.add(new TransactionListItem(date, showMonth));
+                    }
+                    newList.add(
+                            new TransactionListItem(new LedgerTransaction(transaction_id), odd));
+//                    debug("UTT", String.format("got transaction %d", transaction_id));
+
+                    lastDate = date;
+                    lastDateString = dateString;
+                    odd = !odd;
                 }
-                Data.transactions.set(newList);
-                Log.d("transactions", "transaction value updated");
+                Data.transactions.setList(newList);
+                debug("UTT", "transaction list value updated");
             }
 
-            return newList;
+            return null;
+        }
+        catch (ParseException e) {
+            return String.format("Error parsing stored date '%s'", e.getMessage());
         }
         finally {
-            Data.backgroundTaskCount.decrementAndGet();
+            Data.backgroundTaskFinished();
         }
     }
 }