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.View;
  37 import android.widget.LinearLayout;
  38 import android.widget.ProgressBar;
  39 import android.widget.TextView;
  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.MobileLedgerListFragment;
  48 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  49 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  50 import net.ktnx.mobileledger.utils.MLDB;
  51
  52 import java.lang.ref.WeakReference;
  53 import java.text.DateFormat;
  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((o, arg) -> {
 164             Log.d("main", "lastUpdateDate changed");
 165             runOnUiThread(() -> {
 166                 Date date = Data.lastUpdateDate.get();
 167                 if (date == null) {
 168                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 169                 }
 170                 else {
 171                     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 172                         tvLastUpdate.setText(date.toInstant().atZone(ZoneId.systemDefault())
 173                                 .format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
 174                     }
 175                     else {
 176                         tvLastUpdate.setText(DateFormat.getDateTimeInstance().format(date));
 177                     }
 178                 }
 179             });
 180         });
 181     }
 182     private void setupProfile() {
 183         Data.profiles.setList(MobileLedgerProfile.loadAllFromDB());
 184         MobileLedgerProfile profile = null;
 185
 186         String profileUUID = MLDB.get_option_value(MLDB.OPT_PROFILE_UUID, null);
 187         if (profileUUID == null) {
 188             if (Data.profiles.isEmpty()) {
 189                 Data.profiles.setList(MobileLedgerProfile.createInitialProfileList());
 190                 profile = Data.profiles.get(0);
 191
 192                 SharedPreferences backend = getSharedPreferences("backend", MODE_PRIVATE);
 193                 Log.d("profiles", "Migrating from preferences to profiles");
 194                 // migration to multiple profiles
 195                 if (profile.getUrl().isEmpty()) {
 196                     // no legacy config
 197                     Intent intent = new Intent(this, ProfileListActivity.class);
 198                     startActivity(intent);
 199                 }
 200                 profile.setUrl(backend.getString("backend_url", ""));
 201                 profile.setAuthEnabled(backend.getBoolean("backend_use_http_auth", false));
 202                 profile.setAuthUserName(backend.getString("backend_auth_user", null));
 203                 profile.setAuthPassword(backend.getString("backend_auth_password", null));
 204                 profile.storeInDB();
 205                 SharedPreferences.Editor editor = backend.edit();
 206                 editor.clear();
 207                 editor.apply();
 208             }
 209         }
 210         else {
 211             profile = MobileLedgerProfile.loadUUIDFromDB(profileUUID);
 212         }
 213
 214         if (profile == null) profile = Data.profiles.get(0);
 215
 216         if (profile == null) throw new AssertionError("profile must have a value");
 217
 218         Data.profile.set(profile);
 219         MLDB.set_option_value(MLDB.OPT_PROFILE_UUID, profile.getUuid());
 220
 221         if (profile.getUrl().isEmpty()) {
 222             Intent intent = new Intent(this, ProfileListActivity.class);
 223             Bundle args = new Bundle();
 224             args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 225             args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, 0);
 226             intent.putExtras(args);
 227             startActivity(intent, args);
 228         }
 229     }
 230     public void fab_new_transaction_clicked(View view) {
 231         Intent intent = new Intent(this, NewTransactionActivity.class);
 232         startActivity(intent);
 233         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 234     }
 235
 236     public void nav_exit_clicked(View view) {
 237         Log.w("app", "exiting");
 238         finish();
 239     }
 240
 241     public void nav_settings_clicked(View view) {
 242         Intent intent = new Intent(this, SettingsActivity.class);
 243         startActivity(intent);
 244         drawer.closeDrawers();
 245     }
 246     public void markDrawerItemCurrent(int id) {
 247         TextView item = drawer.findViewById(id);
 248         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 249             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg, getTheme()));
 250         }
 251         else {
 252             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg));
 253         }
 254
 255         setTitle(item.getText());
 256
 257         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 258
 259         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 260         for (int i = 0; i < actions.getChildCount(); i++) {
 261             View view = actions.getChildAt(i);
 262             if (view.getId() != id) {
 263                 view.setBackgroundColor(transparent);
 264             }
 265         }
 266     }
 267     public void onViewClicked(View view) {
 268         switch (view.getId()) {
 269             case R.id.clearAccountNameFilter:
 270                 if (transactionListFragment != null)
 271                     transactionListFragment.onClearAccountNameClick(view);
 272                 break;
 273             default:
 274                 Log.e("click", String.format("View %d click not handled", view.getId()));
 275         }
 276     }
 277     public void onAccountSummaryClicked(View view) {
 278         drawer.closeDrawers();
 279
 280         showAccountSummaryFragment();
 281     }
 282     private void showAccountSummaryFragment() {
 283         mViewPager.setCurrentItem(0, true);
 284 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 285 //        accountSummaryFragment = new AccountSummaryFragment();
 286 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 287 //        ft.commit();
 288 //        currentFragment = accountSummaryFragment;
 289     }
 290     public void onLatestTransactionsClicked(View view) {
 291         drawer.closeDrawers();
 292
 293         showTransactionsFragment(null);
 294     }
 295     private void resetFragmentBackStack() {
 296 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 297     }
 298     private void showTransactionsFragment(LedgerAccount account) {
 299         mViewPager.setCurrentItem(1, true);
 300 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 301 //        if (transactionListFragment == null) {
 302 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 303 //            transactionListFragment = new TransactionListFragment();
 304 //        }
 305 //        Bundle bundle = new Bundle();
 306 //        if (account != null) {
 307 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 308 //                    account.getName());
 309 //        }
 310 //        transactionListFragment.setArguments(bundle);
 311 //        ft.replace(R.id.root_frame, transactionListFragment);
 312 //        if (account != null)
 313 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 314 //        ft.commit();
 315 //
 316 //        currentFragment = transactionListFragment;
 317     }
 318     public void showAccountTransactions(LedgerAccount account) {
 319         showTransactionsFragment(account);
 320     }
 321     @Override
 322     public void onBackPressed() {
 323         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 324         if (drawer.isDrawerOpen(GravityCompat.START)) {
 325             drawer.closeDrawer(GravityCompat.START);
 326         }
 327         else {
 328             Log.d("fragments",
 329                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 330
 331             super.onBackPressed();
 332         }
 333     }
 334     public void updateLastUpdateTextFromDB() {
 335         {
 336             long last_update = Data.profile.get().get_option_value(MLDB.OPT_LAST_SCRAPE, 0L);
 337
 338             Log.d("transactions", String.format("Last update = %d", last_update));
 339             if (last_update == 0) {
 340                 Data.lastUpdateDate.set(null);
 341             }
 342             else {
 343                 Data.lastUpdateDate.set(new Date(last_update));
 344             }
 345         }
 346     }
 347     public void scheduleTransactionListRetrieval() {
 348         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 349
 350         retrieveTransactionsTask.execute();
 351         bTransactionListCancelDownload.setEnabled(true);
 352     }
 353     public void onStopTransactionRefreshClick(View view) {
 354         Log.d("interactive", "Cancelling transactions refresh");
 355         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 356         bTransactionListCancelDownload.setEnabled(false);
 357     }
 358     public void onRetrieveDone(boolean success) {
 359         progressLayout.setVisibility(View.GONE);
 360         updateLastUpdateTextFromDB();
 361
 362         new RefreshDescriptionsTask().execute();
 363     }
 364     public void onRetrieveStart() {
 365         progressBar.setIndeterminate(true);
 366         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 367         else progressBar.setProgress(0);
 368         progressLayout.setVisibility(View.VISIBLE);
 369     }
 370     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 371         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 372             (progress.getTotal() == 0))
 373         {
 374             progressBar.setIndeterminate(true);
 375         }
 376         else {
 377             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 378                 progressBar.setMin(0);
 379             }
 380             progressBar.setMax(progress.getTotal());
 381             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 382                 progressBar.setProgress(progress.getProgress(), true);
 383             }
 384             else progressBar.setProgress(progress.getProgress());
 385             progressBar.setIndeterminate(false);
 386         }
 387     }
 388     public void nav_profiles_clicked(View view) {
 389         drawer.closeDrawers();
 390         Intent intent = new Intent(this, ProfileListActivity.class);
 391         startActivity(intent);
 392     }
 393     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 394
 395         public SectionsPagerAdapter(FragmentManager fm) {
 396             super(fm);
 397         }
 398
 399         @Override
 400         public Fragment getItem(int position) {
 401             Log.d("main", String.format("Switching to gragment %d", position));
 402             switch (position) {
 403                 case 0:
 404                     return new AccountSummaryFragment();
 405                 case 1:
 406                     return new TransactionListFragment();
 407                 default:
 408                     throw new IllegalStateException(
 409                             String.format("Unexpected fragment index: " + "%d", position));
 410             }
 411         }
 412
 413         @Override
 414         public int getCount() {
 415             return 2;
 416         }
 417     }
 418
 419 }