app/src/main/java/net/ktnx/mobileledger/async/UpdateTransactionsTask.java

   1 /*
   2  * Copyright © 2020 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe is free software: you can distribute it and/or modify it
   5  * under the term of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your opinion), any later version.
   8  *
   9  * MoLe is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  12  * GNU General Public License terms for details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.ktnx.mobileledger.async;
  19
  20 import android.database.Cursor;
  21 import android.database.sqlite.SQLiteDatabase;
  22 import android.os.AsyncTask;
  23
  24 import net.ktnx.mobileledger.App;
  25 import net.ktnx.mobileledger.model.Data;
  26 import net.ktnx.mobileledger.model.LedgerTransaction;
  27 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  28 import net.ktnx.mobileledger.model.TransactionListItem;
  29 import net.ktnx.mobileledger.utils.SimpleDate;
  30
  31 import java.util.ArrayList;
  32
  33 import static net.ktnx.mobileledger.utils.Logger.debug;
  34
  35 public class UpdateTransactionsTask extends AsyncTask<String, Void, String> {
  36     protected String doInBackground(String[] filterAccName) {
  37         final MobileLedgerProfile profile = Data.profile.getValue();
  38         if (profile == null)
  39             return "Profile not configured";
  40
  41         String profile_uuid = profile.getUuid();
  42         Data.backgroundTaskStarted();
  43         try {
  44             ArrayList<TransactionListItem> newList = new ArrayList<>();
  45
  46             String sql;
  47             String[] params;
  48
  49             if (filterAccName[0] == null) {
  50                 sql = "SELECT id, year, month, day FROM transactions WHERE profile=? ORDER BY " +
  51                       "year desc, month desc, day desc, id desc";
  52                 params = new String[]{profile_uuid};
  53
  54             }
  55             else {
  56                 sql = "SELECT distinct tr.id, tr.year, tr.month, tr.day from transactions tr " +
  57                       "JOIN " + "transaction_accounts ta " +
  58                       "ON ta.transaction_id=tr.id AND ta.profile=tr.profile WHERE tr.profile=? " +
  59                       "and ta.account_name LIKE ?||'%' AND ta" +
  60                       ".amount <> 0 ORDER BY tr.year desc, tr.month desc, tr.day desc, tr.id " +
  61                       "desc";
  62                 params = new String[]{profile_uuid, filterAccName[0]};
  63             }
  64
  65             debug("UTT", sql);
  66             SQLiteDatabase db = App.getDatabase();
  67             boolean odd = true;
  68             SimpleDate lastDate = SimpleDate.today();
  69             try (Cursor cursor = db.rawQuery(sql, params)) {
  70                 while (cursor.moveToNext()) {
  71                     if (isCancelled())
  72                         return null;
  73
  74                     int transaction_id = cursor.getInt(0);
  75                     SimpleDate date =
  76                             new SimpleDate(cursor.getInt(1), cursor.getInt(2), cursor.getInt(3));
  77
  78                     if (!date.equals(lastDate)) {
  79                         boolean showMonth =
  80                                 (date.month != lastDate.month) || (date.year != lastDate.year);
  81                         newList.add(new TransactionListItem(date, showMonth));
  82                     }
  83                     newList.add(
  84                             new TransactionListItem(new LedgerTransaction(transaction_id), odd));
  85 //                    debug("UTT", String.format("got transaction %d", transaction_id));
  86
  87                     lastDate = date;
  88                     odd = !odd;
  89                 }
  90                 Data.transactions.setList(newList);
  91                 debug("UTT", "transaction list value updated");
  92             }
  93
  94             return null;
  95         }
  96         finally {
  97             Data.backgroundTaskFinished();
  98         }
  99     }
 100 }