app/src/main/java/net/ktnx/mobileledger/TransactionListActivity.java

   1 /*
   2  * Copyright © 2018 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;
  19
  20 import android.arch.lifecycle.ViewModelProviders;
  21 import android.os.Build;
  22 import android.os.Bundle;
  23 import android.preference.PreferenceManager;
  24 import android.support.v4.widget.SwipeRefreshLayout;
  25 import android.support.v7.app.ActionBar;
  26 import android.support.v7.app.AppCompatActivity;
  27 import android.support.v7.widget.LinearLayoutManager;
  28 import android.support.v7.widget.RecyclerView;
  29 import android.support.v7.widget.Toolbar;
  30 import android.util.Log;
  31 import android.view.View;
  32 import android.widget.ProgressBar;
  33 import android.widget.TextView;
  34
  35 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  36 import net.ktnx.mobileledger.model.LedgerTransaction;
  37 import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
  38 import net.ktnx.mobileledger.utils.MobileLedgerDatabase;
  39
  40 import java.lang.ref.WeakReference;
  41 import java.time.ZoneId;
  42 import java.time.format.DateTimeFormatter;
  43 import java.util.Date;
  44 import java.util.List;
  45
  46 public class TransactionListActivity extends AppCompatActivity {
  47     private SwipeRefreshLayout swiper;
  48     private RecyclerView root;
  49     private ProgressBar progressBar;
  50     private TransactionListViewModel model;
  51     private TextView tvLastUpdate;
  52     private TransactionListAdapter modelAdapter;
  53     @Override
  54     protected void onCreate(Bundle savedInstanceState) {
  55         super.onCreate(savedInstanceState);
  56         setContentView(R.layout.transaction_list_activity);
  57
  58         Toolbar toolbar = findViewById(R.id.toolbar);
  59         setSupportActionBar(toolbar);
  60
  61         setupActionBar();
  62
  63         swiper = findViewById(R.id.transaction_swipe);
  64         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
  65         root = findViewById(R.id.transaction_root);
  66         if (root == null) throw new RuntimeException("Can't get hold on the transaction list view");
  67         progressBar = findViewById(R.id.transaction_progress_bar);
  68         if (progressBar == null)
  69             throw new RuntimeException("Can't get hold on the transaction list progress bar");
  70         tvLastUpdate = findViewById(R.id.transactions_last_update);
  71         {
  72             long last_update = (new MobileLedgerDatabase(this))
  73                     .get_option_value("transaction_list_last_update", 0);
  74             if (last_update == 0) tvLastUpdate.setText("never");
  75             else {
  76                 Date date = new Date(last_update);
  77                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
  78                     tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
  79                             .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
  80                 }
  81                 else {
  82                     tvLastUpdate.setText(date.toLocaleString());
  83                 }
  84             }
  85         }
  86         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
  87         List<LedgerTransaction> transactions =
  88                 model.getTransactions(new MobileLedgerDatabase(this));
  89         modelAdapter = new TransactionListAdapter(transactions);
  90
  91         RecyclerView root = findViewById(R.id.transaction_root);
  92         root.setAdapter(modelAdapter);
  93
  94         LinearLayoutManager llm = new LinearLayoutManager(this);
  95         llm.setOrientation(LinearLayoutManager.VERTICAL);
  96         root.setLayoutManager(llm);
  97
  98         swiper.setOnRefreshListener(() -> {
  99             Log.d("ui", "refreshing transactions via swipe");
 100             update_transactions();
 101         });
 102
 103         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 104
 105 //        update_transactions();
 106     }
 107     private void setupActionBar() {
 108         ActionBar actionBar = getSupportActionBar();
 109         if (actionBar != null) {
 110             // Show the Up button in the action bar.
 111             actionBar.setDisplayHomeAsUpEnabled(true);
 112         }
 113     }
 114     @Override
 115     public void finish() {
 116         super.finish();
 117         Log.d("visuals", "finishing");
 118         overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
 119     }
 120     private void update_transactions() {
 121         RetrieveTransactionsTask task = new RetrieveTransactionsTask(new WeakReference<>(this));
 122
 123         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 124                 PreferenceManager.getDefaultSharedPreferences(this));
 125
 126         task.execute(params);
 127     }
 128
 129     public void onRetrieveStart() {
 130         progressBar.setIndeterminate(true);
 131         progressBar.setVisibility(View.VISIBLE);
 132     }
 133     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 134         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 135             (progress.getTotal() == 0))
 136         {
 137             progressBar.setIndeterminate(true);
 138         }
 139         else {
 140             progressBar.setIndeterminate(false);
 141             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 142                 progressBar.setMin(0);
 143             }
 144             progressBar.setMax(progress.getTotal());
 145             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 146                 progressBar.setProgress(progress.getProgress(), true);
 147             }
 148             else progressBar.setProgress(progress.getProgress());
 149         }
 150     }
 151
 152     public void onRetrieveDone(boolean success) {
 153         progressBar.setVisibility(View.GONE);
 154         swiper.setRefreshing(false);
 155         if (success) {
 156             MobileLedgerDatabase dbh = new MobileLedgerDatabase(this);
 157             Date now = new Date();
 158             dbh.set_option_value("transaction_list_last_update", now.getTime());
 159             updateLastUpdateText(now);
 160             modelAdapter.notifyDataSetChanged();
 161         }
 162     }
 163     private void updateLastUpdateText(Date now) {
 164         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 165             tvLastUpdate.setText(now.toInstant().atZone(ZoneId.systemDefault()).toString());
 166         }
 167         else {
 168             tvLastUpdate.setText(now.toLocaleString());
 169         }
 170     }
 171 }