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         MobileLedgerDatabase dbh = new MobileLedgerDatabase(this);
  64
  65         swiper = findViewById(R.id.transaction_swipe);
  66         if (swiper == null) throw new RuntimeException("Can't get hold on the swipe layout");
  67         root = findViewById(R.id.transaction_root);
  68         if (root == null) throw new RuntimeException("Can't get hold on the transaction list view");
  69         progressBar = findViewById(R.id.transaction_progress_bar);
  70         if (progressBar == null)
  71             throw new RuntimeException("Can't get hold on the transaction list progress bar");
  72         tvLastUpdate = findViewById(R.id.transactions_last_update);
  73         {
  74             long last_update = dbh.get_option_value("transaction_list_last_update", 0L);
  75             Log.d("transactions", String.format("Last update = %d", last_update));
  76             if (last_update == 0) tvLastUpdate.setText("never");
  77             else {
  78                 Date date = new Date(last_update);
  79                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
  80                     tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
  81                             .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
  82                 }
  83                 else {
  84                     tvLastUpdate.setText(date.toLocaleString());
  85                 }
  86             }
  87         }
  88         model = ViewModelProviders.of(this).get(TransactionListViewModel.class);
  89         List<LedgerTransaction> transactions = model.getTransactions(dbh);
  90         modelAdapter = new TransactionListAdapter(transactions);
  91
  92         RecyclerView root = findViewById(R.id.transaction_root);
  93         root.setAdapter(modelAdapter);
  94
  95         LinearLayoutManager llm = new LinearLayoutManager(this);
  96
  97         llm.setOrientation(LinearLayoutManager.VERTICAL);
  98         root.setLayoutManager(llm);
  99
 100         swiper.setOnRefreshListener(() -> {
 101             Log.d("ui", "refreshing transactions via swipe");
 102             update_transactions();
 103         });
 104
 105         swiper.setColorSchemeResources(R.color.colorPrimary, R.color.colorAccent);
 106
 107 //        update_transactions();
 108     }
 109     private void setupActionBar() {
 110         ActionBar actionBar = getSupportActionBar();
 111         if (actionBar != null) {
 112             // Show the Up button in the action bar.
 113             actionBar.setDisplayHomeAsUpEnabled(true);
 114         }
 115     }
 116     @Override
 117     public void finish() {
 118         super.finish();
 119         Log.d("visuals", "finishing");
 120         overridePendingTransition(R.anim.dummy, R.anim.slide_out_right);
 121     }
 122     private void update_transactions() {
 123         RetrieveTransactionsTask task = new RetrieveTransactionsTask(new WeakReference<>(this));
 124
 125         RetrieveTransactionsTask.Params params = new RetrieveTransactionsTask.Params(
 126                 PreferenceManager.getDefaultSharedPreferences(this));
 127
 128         task.execute(params);
 129     }
 130
 131     public void onRetrieveStart() {
 132         progressBar.setIndeterminate(true);
 133         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 134         else progressBar.setProgress(0);
 135         progressBar.setVisibility(View.VISIBLE);
 136     }
 137     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 138         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 139             (progress.getTotal() == 0))
 140         {
 141             progressBar.setIndeterminate(true);
 142         }
 143         else {
 144             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 145                 progressBar.setMin(0);
 146             }
 147             progressBar.setMax(progress.getTotal());
 148             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 149                 progressBar.setProgress(progress.getProgress(), true);
 150             }
 151             else progressBar.setProgress(progress.getProgress());
 152             progressBar.setIndeterminate(false);
 153         }
 154     }
 155
 156     public void onRetrieveDone(boolean success) {
 157         progressBar.setVisibility(View.GONE);
 158         swiper.setRefreshing(false);
 159         if (success) {
 160             MobileLedgerDatabase dbh = new MobileLedgerDatabase(this);
 161             Date now = new Date();
 162             dbh.set_option_value("transaction_list_last_update", now.getTime());
 163             updateLastUpdateText(now);
 164             modelAdapter.notifyDataSetChanged();
 165         }
 166     }
 167     private void updateLastUpdateText(Date now) {
 168         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 169             tvLastUpdate.setText(now.toInstant().atZone(ZoneId.systemDefault()).toString());
 170         }
 171         else {
 172             tvLastUpdate.setText(now.toLocaleString());
 173         }
 174     }
 175 }