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