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