app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.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.ui.activity;
  19
  20 import android.content.Intent;
  21 import android.content.pm.PackageInfo;
  22 import android.os.Build;
  23 import android.os.Bundle;
  24 import android.support.annotation.ColorInt;
  25 import android.support.v4.app.Fragment;
  26 import android.support.v4.app.FragmentManager;
  27 import android.support.v4.app.FragmentPagerAdapter;
  28 import android.support.v4.view.GravityCompat;
  29 import android.support.v4.view.ViewPager;
  30 import android.support.v4.widget.DrawerLayout;
  31 import android.support.v7.app.ActionBarDrawerToggle;
  32 import android.support.v7.app.AppCompatActivity;
  33 import android.support.v7.widget.Toolbar;
  34 import android.util.Log;
  35 import android.view.View;
  36 import android.widget.LinearLayout;
  37 import android.widget.ProgressBar;
  38 import android.widget.TextView;
  39 import android.widget.Toast;
  40
  41 import net.ktnx.mobileledger.R;
  42 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  43 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  44 import net.ktnx.mobileledger.model.Data;
  45 import net.ktnx.mobileledger.model.LedgerAccount;
  46 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  47 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  48 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  49 import net.ktnx.mobileledger.utils.MLDB;
  50
  51 import java.lang.ref.WeakReference;
  52 import java.text.DateFormat;
  53 import java.util.Date;
  54
  55 public class MainActivity extends AppCompatActivity {
  56     DrawerLayout drawer;
  57     private FragmentManager fragmentManager;
  58     private TextView tvLastUpdate;
  59     private RetrieveTransactionsTask retrieveTransactionsTask;
  60     private View bTransactionListCancelDownload;
  61     private ProgressBar progressBar;
  62     private LinearLayout progressLayout;
  63     private SectionsPagerAdapter mSectionsPagerAdapter;
  64     private ViewPager mViewPager;
  65
  66     @Override
  67     protected void onStart() {
  68         super.onStart();
  69
  70         Data.lastUpdateDate.set(null);
  71         updateLastUpdateTextFromDB();
  72         Date lastUpdate = Data.lastUpdateDate.get();
  73
  74         long now = new Date().getTime();
  75         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  76             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  77             else Log.d("db",
  78                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  79                             lastUpdate.getTime() / 1000f, now / 1000f));
  80
  81             scheduleTransactionListRetrieval();
  82         }
  83     }
  84     @Override
  85     protected void onCreate(Bundle savedInstanceState) {
  86         super.onCreate(savedInstanceState);
  87         setContentView(R.layout.activity_main);
  88         Toolbar toolbar = findViewById(R.id.toolbar);
  89         setSupportActionBar(toolbar);
  90
  91         Data.profile.addObserver((o, arg) -> {
  92             MobileLedgerProfile profile = Data.profile.get();
  93             runOnUiThread(() -> {
  94                 if (profile == null) setTitle(R.string.app_name);
  95                 else setTitle(profile.getName());
  96                 updateLastUpdateTextFromDB();
  97             });
  98         });
  99
 100         drawer = findViewById(R.id.drawer_layout);
 101         ActionBarDrawerToggle toggle =
 102                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 103                         R.string.navigation_drawer_close);
 104         drawer.addDrawerListener(toggle);
 105         toggle.syncState();
 106
 107         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 108
 109         try {
 110             PackageInfo pi =
 111                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 112             ver.setText(pi.versionName);
 113         }
 114         catch (Exception e) {
 115             e.printStackTrace();
 116         }
 117
 118         tvLastUpdate = findViewById(R.id.transactions_last_update);
 119
 120         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 121         progressBar = findViewById(R.id.transaction_list_progress_bar);
 122         if (progressBar == null)
 123             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 124         progressLayout = findViewById(R.id.transaction_progress_layout);
 125         if (progressLayout == null) throw new RuntimeException(
 126                 "Can't get hold on the transaction value progress bar layout");
 127
 128         fragmentManager = getSupportFragmentManager();
 129         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 130
 131         mViewPager = findViewById(R.id.root_frame);
 132         mViewPager.setAdapter(mSectionsPagerAdapter);
 133         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 134             @Override
 135             public void onPageSelected(int position) {
 136                 switch (position) {
 137                     case 0:
 138                         markDrawerItemCurrent(R.id.nav_account_summary);
 139                         break;
 140                     case 1:
 141                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 142                         break;
 143                     default:
 144                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 145                 }
 146
 147                 super.onPageSelected(position);
 148             }
 149         });
 150
 151         Data.lastUpdateDate.addObserver((o, arg) -> {
 152             Log.d("main", "lastUpdateDate changed");
 153             runOnUiThread(() -> {
 154                 Date date = Data.lastUpdateDate.get();
 155                 if (date == null) {
 156                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 157                 }
 158                 else {
 159                     final String text = DateFormat.getDateTimeInstance().format(date);
 160                     tvLastUpdate.setText(text);
 161                     Log.d("despair", String.format("Date formatted: %s", text));
 162                 }
 163             });
 164         });
 165
 166         findViewById(R.id.btn_no_profiles_add).setOnClickListener(v -> startAddProfileActivity());
 167     }
 168     @Override
 169     protected void onResume() {
 170         super.onResume();
 171         setupProfile();
 172     }
 173     private void startAddProfileActivity() {
 174         Intent intent = new Intent(this, ProfileListActivity.class);
 175         Bundle args = new Bundle();
 176         args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 177         args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, ProfileListActivity.PROFILE_INDEX_NONE);
 178         intent.putExtras(args);
 179         startActivity(intent, args);
 180     }
 181     private void setupProfile() {
 182         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 183         MobileLedgerProfile profile;
 184
 185         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 186
 187         if (Data.profiles.getList().isEmpty()) {
 188             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 189             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 190             return;
 191         }
 192
 193         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 194         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 195
 196         if (profile == null) profile = Data.profiles.get(0);
 197
 198         if (profile == null) throw new AssertionError("profile must have a value");
 199
 200         Data.setCurrentProfile(profile);
 201     }
 202     public void fabNewTransactionClicked(View view) {
 203         Intent intent = new Intent(this, NewTransactionActivity.class);
 204         startActivity(intent);
 205         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 206     }
 207     public void navSettingsClicked(View view) {
 208         Intent intent = new Intent(this, SettingsActivity.class);
 209         startActivity(intent);
 210         drawer.closeDrawers();
 211     }
 212     public void markDrawerItemCurrent(int id) {
 213         TextView item = drawer.findViewById(id);
 214         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 215             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg, getTheme()));
 216         }
 217         else {
 218             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg));
 219         }
 220
 221         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 222
 223         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 224         for (int i = 0; i < actions.getChildCount(); i++) {
 225             View view = actions.getChildAt(i);
 226             if (view.getId() != id) {
 227                 view.setBackgroundColor(transparent);
 228             }
 229         }
 230     }
 231     public void onAccountSummaryClicked(View view) {
 232         drawer.closeDrawers();
 233
 234         showAccountSummaryFragment();
 235     }
 236     private void showAccountSummaryFragment() {
 237         mViewPager.setCurrentItem(0, true);
 238         TransactionListFragment.accountFilter.set(null);
 239 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 240 //        accountSummaryFragment = new AccountSummaryFragment();
 241 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 242 //        ft.commit();
 243 //        currentFragment = accountSummaryFragment;
 244     }
 245     public void onLatestTransactionsClicked(View view) {
 246         drawer.closeDrawers();
 247
 248         showTransactionsFragment(null);
 249     }
 250     private void resetFragmentBackStack() {
 251 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 252     }
 253     private void showTransactionsFragment(LedgerAccount account) {
 254         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 255         mViewPager.setCurrentItem(1, true);
 256 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 257 //        if (transactionListFragment == null) {
 258 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 259 //            transactionListFragment = new TransactionListFragment();
 260 //        }
 261 //        Bundle bundle = new Bundle();
 262 //        if (account != null) {
 263 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 264 //                    account.getName());
 265 //        }
 266 //        transactionListFragment.setArguments(bundle);
 267 //        ft.replace(R.id.root_frame, transactionListFragment);
 268 //        if (account != null)
 269 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 270 //        ft.commit();
 271 //
 272 //        currentFragment = transactionListFragment;
 273     }
 274     public void showAccountTransactions(LedgerAccount account) {
 275         showTransactionsFragment(account);
 276     }
 277     @Override
 278     public void onBackPressed() {
 279         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 280         if (drawer.isDrawerOpen(GravityCompat.START)) {
 281             drawer.closeDrawer(GravityCompat.START);
 282         }
 283         else {
 284             Log.d("fragments",
 285                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 286
 287             super.onBackPressed();
 288         }
 289     }
 290     public void updateLastUpdateTextFromDB() {
 291         {
 292             final MobileLedgerProfile profile = Data.profile.get();
 293             long last_update =
 294                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 295
 296             Log.d("transactions", String.format("Last update = %d", last_update));
 297             if (last_update == 0) {
 298                 Data.lastUpdateDate.set(null);
 299             }
 300             else {
 301                 Data.lastUpdateDate.set(new Date(last_update));
 302             }
 303         }
 304     }
 305     public void scheduleTransactionListRetrieval() {
 306         if (Data.profile.get() == null) return;
 307
 308         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 309
 310         retrieveTransactionsTask.execute();
 311         bTransactionListCancelDownload.setEnabled(true);
 312     }
 313     public void onStopTransactionRefreshClick(View view) {
 314         Log.d("interactive", "Cancelling transactions refresh");
 315         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 316         bTransactionListCancelDownload.setEnabled(false);
 317     }
 318     public void onRetrieveDone(String error) {
 319         progressLayout.setVisibility(View.GONE);
 320
 321         if (error == null) {
 322             updateLastUpdateTextFromDB();
 323
 324             new RefreshDescriptionsTask().execute();
 325         }
 326         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 327     }
 328     public void onRetrieveStart() {
 329         progressBar.setIndeterminate(true);
 330         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 331         else progressBar.setProgress(0);
 332         progressLayout.setVisibility(View.VISIBLE);
 333     }
 334     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 335         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 336             (progress.getTotal() == 0))
 337         {
 338             progressBar.setIndeterminate(true);
 339         }
 340         else {
 341             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 342                 progressBar.setMin(0);
 343             }
 344             progressBar.setMax(progress.getTotal());
 345             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 346                 progressBar.setProgress(progress.getProgress(), true);
 347             }
 348             else progressBar.setProgress(progress.getProgress());
 349             progressBar.setIndeterminate(false);
 350         }
 351     }
 352     public void navProfilesClicked(View view) {
 353         drawer.closeDrawers();
 354         Intent intent = new Intent(this, ProfileListActivity.class);
 355         startActivity(intent);
 356     }
 357     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 358
 359         public SectionsPagerAdapter(FragmentManager fm) {
 360             super(fm);
 361         }
 362
 363         @Override
 364         public Fragment getItem(int position) {
 365             Log.d("main", String.format("Switching to fragment %d", position));
 366             switch (position) {
 367                 case 0:
 368                     return new AccountSummaryFragment();
 369                 case 1:
 370                     return new TransactionListFragment();
 371                 default:
 372                     throw new IllegalStateException(
 373                             String.format("Unexpected fragment index: " + "%d", position));
 374             }
 375         }
 376
 377         @Override
 378         public int getCount() {
 379             return 2;
 380         }
 381     }
 382
 383 }