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.getProfile();
  38
  39         String profile_uuid = profile.getUuid();
  40         Data.backgroundTaskStarted();
  41         try {
  42             ArrayList<TransactionListItem> newList = new ArrayList<>();
  43
  44             String sql;
  45             String[] params;
  46
  47             if (filterAccName[0] == null) {
  48                 sql = "SELECT id, year, month, day FROM transactions WHERE profile=? ORDER BY " +
  49                       "year desc, month desc, day desc, id desc";
  50                 params = new String[]{profile_uuid};
  51
  52             }
  53             else {
  54                 sql = "SELECT distinct tr.id, tr.year, tr.month, tr.day from transactions tr " +
  55                       "JOIN " + "transaction_accounts ta " +
  56                       "ON ta.transaction_id=tr.id AND ta.profile=tr.profile WHERE tr.profile=? " +
  57                       "and ta.account_name LIKE ?||'%' AND ta" +
  58                       ".amount <> 0 ORDER BY tr.year desc, tr.month desc, tr.day desc, tr.id " +
  59                       "desc";
  60                 params = new String[]{profile_uuid, filterAccName[0]};
  61             }
  62
  63             debug("UTT", sql);
  64             SimpleDate latestDate = null, earliestDate = null;
  65             SQLiteDatabase db = App.getDatabase();
  66             boolean odd = true;
  67             SimpleDate lastDate = SimpleDate.today();
  68             try (Cursor cursor = db.rawQuery(sql, params)) {
  69                 while (cursor.moveToNext()) {
  70                     if (isCancelled())
  71                         return null;
  72
  73                     int transaction_id = cursor.getInt(0);
  74                     SimpleDate date =
  75                             new SimpleDate(cursor.getInt(1), cursor.getInt(2), cursor.getInt(3));
  76
  77                     if (null == latestDate)
  78                         latestDate = date;
  79                     earliestDate = date;
  80
  81                     if (!date.equals(lastDate)) {
  82                         boolean showMonth =
  83                                 (date.month != lastDate.month) || (date.year != lastDate.year);
  84                         newList.add(new TransactionListItem(date, showMonth));
  85                     }
  86                     newList.add(
  87                             new TransactionListItem(new LedgerTransaction(transaction_id), odd));
  88 //                    debug("UTT", String.format("got transaction %d", transaction_id));
  89
  90                     lastDate = date;
  91                     odd = !odd;
  92                 }
  93                 Data.transactions.setList(newList);
  94                 Data.latestTransactionDate.postValue(latestDate);
  95                 Data.earliestTransactionDate.postValue(earliestDate);
  96                 debug("UTT", "transaction list value updated");
  97             }
  98
  99             return null;
 100         }
 101         finally {
 102             Data.backgroundTaskFinished();
 103         }
 104     }
 105 }