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.SharedPreferences;
  22 import android.content.pm.PackageInfo;
  23 import android.os.Build;
  24 import android.os.Bundle;
  25 import android.support.annotation.ColorInt;
  26 import android.support.v4.app.Fragment;
  27 import android.support.v4.app.FragmentManager;
  28 import android.support.v4.app.FragmentPagerAdapter;
  29 import android.support.v4.view.GravityCompat;
  30 import android.support.v4.view.ViewPager;
  31 import android.support.v4.widget.DrawerLayout;
  32 import android.support.v7.app.ActionBarDrawerToggle;
  33 import android.support.v7.app.AppCompatActivity;
  34 import android.support.v7.widget.Toolbar;
  35 import android.util.Log;
  36 import android.view.ContextMenu;
  37 import android.view.MenuItem;
  38 import android.view.View;
  39 import android.widget.LinearLayout;
  40 import android.widget.ProgressBar;
  41 import android.widget.TextView;
  42
  43 import net.ktnx.mobileledger.R;
  44 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  45 import net.ktnx.mobileledger.async.RetrieveTransactionsTask;
  46 import net.ktnx.mobileledger.model.Data;
  47 import net.ktnx.mobileledger.model.LedgerAccount;
  48 import net.ktnx.mobileledger.model.MobileLedgerProfile;
  49 import net.ktnx.mobileledger.ui.MobileLedgerListFragment;
  50 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  51 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  52 import net.ktnx.mobileledger.utils.MLDB;
  53
  54 import java.lang.ref.WeakReference;
  55 import java.time.ZoneId;
  56 import java.time.format.DateTimeFormatter;
  57 import java.util.Date;
  58 import java.util.Observable;
  59 import java.util.Observer;
  60
  61 public class MainActivity extends AppCompatActivity {
  62     public MobileLedgerListFragment currentFragment = null;
  63     DrawerLayout drawer;
  64     private AccountSummaryFragment accountSummaryFragment;
  65     private TransactionListFragment transactionListFragment;
  66     private FragmentManager fragmentManager;
  67     private TextView tvLastUpdate;
  68     private RetrieveTransactionsTask retrieveTransactionsTask;
  69     private View bTransactionListCancelDownload;
  70     private ProgressBar progressBar;
  71     private LinearLayout progressLayout;
  72     private SectionsPagerAdapter mSectionsPagerAdapter;
  73     private ViewPager mViewPager;
  74
  75     @Override
  76     protected void onStart() {
  77         super.onStart();
  78
  79         Data.lastUpdateDate.set(null);
  80         updateLastUpdateTextFromDB();
  81         Date lastUpdate = Data.lastUpdateDate.get();
  82
  83         long now = new Date().getTime();
  84         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  85             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  86             else Log.d("db",
  87                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  88                             lastUpdate.getTime() / 1000f, now / 1000f));
  89
  90             scheduleTransactionListRetrieval();
  91         }
  92     }
  93     @Override
  94     protected void onCreate(Bundle savedInstanceState) {
  95         super.onCreate(savedInstanceState);
  96         setContentView(R.layout.activity_main);
  97         Toolbar toolbar = findViewById(R.id.toolbar);
  98         setSupportActionBar(toolbar);
  99
 100         Data.profile.addObserver(new Observer() {
 101             @Override
 102             public void update(Observable o, Object arg) {
 103                 MobileLedgerProfile profile = Data.profile.get();
 104                 runOnUiThread(() -> {
 105                     if (profile == null) toolbar.setSubtitle("");
 106                     else toolbar.setSubtitle(profile.getName());
 107                 });
 108             }
 109         });
 110
 111         setupProfile();
 112
 113         drawer = findViewById(R.id.drawer_layout);
 114         ActionBarDrawerToggle toggle =
 115                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 116                         R.string.navigation_drawer_close);
 117         drawer.addDrawerListener(toggle);
 118         toggle.syncState();
 119
 120         android.widget.TextView ver = drawer.findViewById(R.id.drawer_version_text);
 121
 122         try {
 123             PackageInfo pi =
 124                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 125             ver.setText(pi.versionName);
 126         }
 127         catch (Exception e) {
 128             e.printStackTrace();
 129         }
 130
 131         tvLastUpdate = findViewById(R.id.transactions_last_update);
 132
 133         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 134         progressBar = findViewById(R.id.transaction_list_progress_bar);
 135         if (progressBar == null)
 136             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 137         progressLayout = findViewById(R.id.transaction_progress_layout);
 138         if (progressLayout == null) throw new RuntimeException(
 139                 "Can't get hold on the transaction value progress bar layout");
 140
 141         fragmentManager = getSupportFragmentManager();
 142         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 143
 144         mViewPager = findViewById(R.id.root_frame);
 145         mViewPager.setAdapter(mSectionsPagerAdapter);
 146         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 147             @Override
 148             public void onPageSelected(int position) {
 149                 switch (position) {
 150                     case 0:
 151                         markDrawerItemCurrent(R.id.nav_account_summary);
 152                         break;
 153                     case 1:
 154                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 155                         break;
 156                     default:
 157                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 158                 }
 159
 160                 super.onPageSelected(position);
 161             }
 162         });
 163
 164         Data.lastUpdateDate.addObserver(new Observer() {
 165             @Override
 166             public void update(Observable o, Object arg) {
 167                 Log.d("main", "lastUpdateDate changed");
 168                 runOnUiThread(() -> {
 169                     Date date = Data.lastUpdateDate.get();
 170                     if (date == null) {
 171                         tvLastUpdate.setText(R.string.transaction_last_update_never);
 172                     }
 173                     else {
 174                         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 175                             tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
 176                                     .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
 177                         }
 178                         else {
 179                             tvLastUpdate.setText(date.toLocaleString());
 180                         }
 181                     }
 182                 });
 183             }
 184         });
 185     }
 186     private void setupProfile() {
 187         Data.profiles.setList(MobileLedgerProfile.loadAllFromDB());
 188         MobileLedgerProfile profile = null;
 189
 190         String profileUUID = MLDB.get_option_value(MLDB.OPT_PROFILE_UUID, null);
 191         if (profileUUID == null) {
 192             if (Data.profiles.isEmpty()) {
 193                 Data.profiles.setList(MobileLedgerProfile.createInitialProfileList());
 194                 profile = Data.profiles.get(0);
 195
 196                 SharedPreferences backend = getSharedPreferences("backend", MODE_PRIVATE);
 197                 Log.d("profiles", "Migrating from preferences to profiles");
 198                 // migration to multiple profiles
 199                 if (profile.getUrl().isEmpty()) {
 200                     // no legacy config
 201                     Intent intent = new Intent(this, ProfileListActivity.class);
 202                     startActivity(intent);
 203                 }
 204                 profile.setUrl(backend.getString("backend_url", ""));
 205                 profile.setAuthEnabled(backend.getBoolean("backend_use_http_auth", false));
 206                 profile.setAuthUserName(backend.getString("backend_auth_user", null));
 207                 profile.setAuthPassword(backend.getString("backend_auth_password", null));
 208                 profile.storeInDB();
 209                 SharedPreferences.Editor editor = backend.edit();
 210                 editor.clear();
 211                 editor.apply();
 212             }
 213         }
 214         else {
 215             profile = MobileLedgerProfile.loadUUIDFromDB(profileUUID);
 216         }
 217
 218         if (profile == null) profile = Data.profiles.get(0);
 219
 220         if (profile == null) throw new AssertionError("profile must have a value");
 221
 222         Data.profile.set(profile);
 223         MLDB.set_option_value(MLDB.OPT_PROFILE_UUID, profile.getUuid());
 224
 225         if (profile.getUrl().isEmpty()) {
 226             Intent intent = new Intent(this, ProfileListActivity.class);
 227             Bundle args = new Bundle();
 228             args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 229             args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, 0);
 230             intent.putExtras(args);
 231             startActivity(intent, args);
 232         }
 233     }
 234     public void fab_new_transaction_clicked(View view) {
 235         Intent intent = new Intent(this, NewTransactionActivity.class);
 236         startActivity(intent);
 237         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 238     }
 239
 240     public void nav_exit_clicked(View view) {
 241         Log.w("app", "exiting");
 242         finish();
 243     }
 244
 245     public void nav_settings_clicked(View view) {
 246         Intent intent = new Intent(this, SettingsActivity.class);
 247         startActivity(intent);
 248     }
 249     public void markDrawerItemCurrent(int id) {
 250         TextView item = drawer.findViewById(id);
 251         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 252             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg, getTheme()));
 253         }
 254         else {
 255             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg));
 256         }
 257
 258         setTitle(item.getText());
 259
 260         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 261
 262         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 263         for (int i = 0; i < actions.getChildCount(); i++) {
 264             View view = actions.getChildAt(i);
 265             if (view.getId() != id) {
 266                 view.setBackgroundColor(transparent);
 267             }
 268         }
 269     }
 270     public void onOptionsMenuClicked(MenuItem menuItem) {
 271         ContextMenu.ContextMenuInfo info = menuItem.getMenuInfo();
 272         switch (menuItem.getItemId()) {
 273             case R.id.menu_acc_summary_cancel_selection:
 274                 if (accountSummaryFragment != null)
 275                     accountSummaryFragment.onCancelAccSelection(menuItem);
 276                 break;
 277             case R.id.menu_acc_summary_confirm_selection:
 278                 if (accountSummaryFragment != null)
 279                     accountSummaryFragment.onConfirmAccSelection(menuItem);
 280                 break;
 281             case R.id.menu_acc_summary_only_starred:
 282                 if (accountSummaryFragment != null)
 283                     accountSummaryFragment.onShowOnlyStarredClicked(menuItem);
 284                 break;
 285             case R.id.menu_transaction_list_filter:
 286                 if (transactionListFragment != null)
 287                     transactionListFragment.onShowFilterClick(menuItem);
 288                 break;
 289             default:
 290                 Log.e("menu", String.format("Menu item %d not handled", menuItem.getItemId()));
 291         }
 292     }
 293     public void onViewClicked(View view) {
 294         switch (view.getId()) {
 295             case R.id.clearAccountNameFilter:
 296                 if (transactionListFragment != null)
 297                     transactionListFragment.onClearAccountNameClick(view);
 298                 break;
 299             default:
 300                 Log.e("click", String.format("View %d click not handled", view.getId()));
 301         }
 302     }
 303     public void onAccountSummaryClicked(View view) {
 304         drawer.closeDrawers();
 305
 306         showAccountSummaryFragment();
 307     }
 308     private void showAccountSummaryFragment() {
 309         mViewPager.setCurrentItem(0, true);
 310 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 311 //        accountSummaryFragment = new AccountSummaryFragment();
 312 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 313 //        ft.commit();
 314 //        currentFragment = accountSummaryFragment;
 315     }
 316     public void onLatestTransactionsClicked(View view) {
 317         drawer.closeDrawers();
 318
 319         showTransactionsFragment(null);
 320     }
 321     private void resetFragmentBackStack() {
 322 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 323     }
 324     private void showTransactionsFragment(LedgerAccount account) {
 325         mViewPager.setCurrentItem(1, true);
 326 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 327 //        if (transactionListFragment == null) {
 328 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 329 //            transactionListFragment = new TransactionListFragment();
 330 //        }
 331 //        Bundle bundle = new Bundle();
 332 //        if (account != null) {
 333 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 334 //                    account.getName());
 335 //        }
 336 //        transactionListFragment.setArguments(bundle);
 337 //        ft.replace(R.id.root_frame, transactionListFragment);
 338 //        if (account != null)
 339 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 340 //        ft.commit();
 341 //
 342 //        currentFragment = transactionListFragment;
 343     }
 344     public void showAccountTransactions(LedgerAccount account) {
 345         showTransactionsFragment(account);
 346     }
 347     @Override
 348     public void onBackPressed() {
 349         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 350         if (drawer.isDrawerOpen(GravityCompat.START)) {
 351             drawer.closeDrawer(GravityCompat.START);
 352         }
 353         else {
 354             Log.d("fragments",
 355                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 356
 357             super.onBackPressed();
 358         }
 359     }
 360     public void updateLastUpdateTextFromDB() {
 361         {
 362             long last_update = Data.profile.get().get_option_value(MLDB.OPT_LAST_SCRAPE, 0L);
 363
 364             Log.d("transactions", String.format("Last update = %d", last_update));
 365             if (last_update == 0) {
 366                 Data.lastUpdateDate.set(null);
 367             }
 368             else {
 369                 Data.lastUpdateDate.set(new Date(last_update));
 370             }
 371         }
 372     }
 373     public void scheduleTransactionListRetrieval() {
 374         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 375
 376         retrieveTransactionsTask.execute();
 377         bTransactionListCancelDownload.setEnabled(true);
 378     }
 379     public void onStopTransactionRefreshClick(View view) {
 380         Log.d("interactive", "Cancelling transactions refresh");
 381         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 382         bTransactionListCancelDownload.setEnabled(false);
 383     }
 384     public void onRetrieveDone(boolean success) {
 385         progressLayout.setVisibility(View.GONE);
 386         updateLastUpdateTextFromDB();
 387
 388         new RefreshDescriptionsTask().execute();
 389     }
 390     public void onRetrieveStart() {
 391         progressBar.setIndeterminate(true);
 392         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 393         else progressBar.setProgress(0);
 394         progressLayout.setVisibility(View.VISIBLE);
 395     }
 396     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 397         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 398             (progress.getTotal() == 0))
 399         {
 400             progressBar.setIndeterminate(true);
 401         }
 402         else {
 403             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 404                 progressBar.setMin(0);
 405             }
 406             progressBar.setMax(progress.getTotal());
 407             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 408                 progressBar.setProgress(progress.getProgress(), true);
 409             }
 410             else progressBar.setProgress(progress.getProgress());
 411             progressBar.setIndeterminate(false);
 412         }
 413     }
 414     public void nav_profiles_clicked(View view) {
 415         drawer.closeDrawers();
 416         Intent intent = new Intent(this, ProfileListActivity.class);
 417         startActivity(intent);
 418     }
 419     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 420
 421         public SectionsPagerAdapter(FragmentManager fm) {
 422             super(fm);
 423         }
 424
 425         @Override
 426         public Fragment getItem(int position) {
 427             Log.d("main", String.format("Switching to gragment %d", position));
 428             switch (position) {
 429                 case 0:
 430                     return new AccountSummaryFragment();
 431                 case 1:
 432                     return new TransactionListFragment();
 433                 default:
 434                     throw new IllegalStateException(
 435                             String.format("Unexpected fragment index: " + "%d", position));
 436             }
 437         }
 438
 439         @Override
 440         public int getCount() {
 441             return 2;
 442         }
 443     }
 444
 445 }