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

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of Mobile-Ledger.
   4  * Mobile-Ledger 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  * Mobile-Ledger 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 Mobile-Ledger. 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 import android.util.Log;
  24
  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.Globals;
  30 import net.ktnx.mobileledger.utils.MLDB;
  31
  32 import java.text.ParseException;
  33 import java.util.ArrayList;
  34 import java.util.Date;
  35
  36 public class UpdateTransactionsTask extends AsyncTask<String, Void, String> {
  37     protected String doInBackground(String[] filterAccName) {
  38         Data.backgroundTaskCount.incrementAndGet();
  39         final MobileLedgerProfile profile = Data.profile.get();
  40         if (profile == null) return "Profile not configured";
  41
  42         String profile_uuid = profile.getUuid();
  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, date FROM transactions WHERE profile=? ORDER BY date desc, id " +
  51                       "desc";
  52                 params = new String[]{profile_uuid};
  53
  54             }
  55             else {
  56                 sql = "SELECT distinct tr.id, tr.date from transactions tr JOIN " +
  57                       "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.date desc, tr.id desc";
  61                 params = new String[]{profile_uuid, filterAccName[0]};
  62             }
  63
  64             Log.d("UTT", sql);
  65             SQLiteDatabase db = MLDB.getReadableDatabase();
  66             Date lastDate = null;
  67             boolean odd = true;
  68             try (Cursor cursor = db.rawQuery(sql, params)) {
  69                 while (cursor.moveToNext()) {
  70                     if (isCancelled()) return null;
  71
  72                     int transaction_id = cursor.getInt(0);
  73                     String dateString = cursor.getString(1);
  74                     Date date = Globals.parseLedgerDate(dateString);
  75
  76                     if ((lastDate == null) || !lastDate.equals(date)) {
  77                         boolean showMonth = (lastDate == null) || (date != null) &&
  78                                                                   (date.getMonth() !=
  79                                                                    lastDate.getMonth() ||
  80                                                                    date.getYear() !=
  81                                                                    lastDate.getYear());
  82                         newList.add(new TransactionListItem(date, showMonth));
  83                     }
  84                     newList.add(
  85                             new TransactionListItem(new LedgerTransaction(transaction_id), odd));
  86 //                    Log.d("UTT", String.format("got transaction %d", transaction_id));
  87
  88                     lastDate = date;
  89                     odd = !odd;
  90                 }
  91                 Data.transactions.set(newList);
  92                 Log.d("UTT", "transaction list value updated");
  93             }
  94
  95             return null;
  96         }
  97         catch (ParseException e) {
  98             return String.format("Error parsing stored date '%s'", e.getMessage());
  99         }
 100         finally {
 101             Data.backgroundTaskCount.decrementAndGet();
 102         }
 103     }
 104 }