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     }
 245     public void markDrawerItemCurrent(int id) {
 246         TextView item = drawer.findViewById(id);
 247         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 248             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg, getTheme()));
 249         }
 250         else {
 251             item.setBackgroundColor(getResources().getColor(R.color.table_row_even_bg));
 252         }
 253
 254         setTitle(item.getText());
 255
 256         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 257
 258         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 259         for (int i = 0; i < actions.getChildCount(); i++) {
 260             View view = actions.getChildAt(i);
 261             if (view.getId() != id) {
 262                 view.setBackgroundColor(transparent);
 263             }
 264         }
 265     }
 266     public void onViewClicked(View view) {
 267         switch (view.getId()) {
 268             case R.id.clearAccountNameFilter:
 269                 if (transactionListFragment != null)
 270                     transactionListFragment.onClearAccountNameClick(view);
 271                 break;
 272             default:
 273                 Log.e("click", String.format("View %d click not handled", view.getId()));
 274         }
 275     }
 276     public void onAccountSummaryClicked(View view) {
 277         drawer.closeDrawers();
 278
 279         showAccountSummaryFragment();
 280     }
 281     private void showAccountSummaryFragment() {
 282         mViewPager.setCurrentItem(0, true);
 283 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 284 //        accountSummaryFragment = new AccountSummaryFragment();
 285 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 286 //        ft.commit();
 287 //        currentFragment = accountSummaryFragment;
 288     }
 289     public void onLatestTransactionsClicked(View view) {
 290         drawer.closeDrawers();
 291
 292         showTransactionsFragment(null);
 293     }
 294     private void resetFragmentBackStack() {
 295 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 296     }
 297     private void showTransactionsFragment(LedgerAccount account) {
 298         mViewPager.setCurrentItem(1, true);
 299 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 300 //        if (transactionListFragment == null) {
 301 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 302 //            transactionListFragment = new TransactionListFragment();
 303 //        }
 304 //        Bundle bundle = new Bundle();
 305 //        if (account != null) {
 306 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 307 //                    account.getName());
 308 //        }
 309 //        transactionListFragment.setArguments(bundle);
 310 //        ft.replace(R.id.root_frame, transactionListFragment);
 311 //        if (account != null)
 312 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 313 //        ft.commit();
 314 //
 315 //        currentFragment = transactionListFragment;
 316     }
 317     public void showAccountTransactions(LedgerAccount account) {
 318         showTransactionsFragment(account);
 319     }
 320     @Override
 321     public void onBackPressed() {
 322         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 323         if (drawer.isDrawerOpen(GravityCompat.START)) {
 324             drawer.closeDrawer(GravityCompat.START);
 325         }
 326         else {
 327             Log.d("fragments",
 328                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 329
 330             super.onBackPressed();
 331         }
 332     }
 333     public void updateLastUpdateTextFromDB() {
 334         {
 335             long last_update = Data.profile.get().get_option_value(MLDB.OPT_LAST_SCRAPE, 0L);
 336
 337             Log.d("transactions", String.format("Last update = %d", last_update));
 338             if (last_update == 0) {
 339                 Data.lastUpdateDate.set(null);
 340             }
 341             else {
 342                 Data.lastUpdateDate.set(new Date(last_update));
 343             }
 344         }
 345     }
 346     public void scheduleTransactionListRetrieval() {
 347         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 348
 349         retrieveTransactionsTask.execute();
 350         bTransactionListCancelDownload.setEnabled(true);
 351     }
 352     public void onStopTransactionRefreshClick(View view) {
 353         Log.d("interactive", "Cancelling transactions refresh");
 354         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 355         bTransactionListCancelDownload.setEnabled(false);
 356     }
 357     public void onRetrieveDone(boolean success) {
 358         progressLayout.setVisibility(View.GONE);
 359         updateLastUpdateTextFromDB();
 360
 361         new RefreshDescriptionsTask().execute();
 362     }
 363     public void onRetrieveStart() {
 364         progressBar.setIndeterminate(true);
 365         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 366         else progressBar.setProgress(0);
 367         progressLayout.setVisibility(View.VISIBLE);
 368     }
 369     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 370         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 371             (progress.getTotal() == 0))
 372         {
 373             progressBar.setIndeterminate(true);
 374         }
 375         else {
 376             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 377                 progressBar.setMin(0);
 378             }
 379             progressBar.setMax(progress.getTotal());
 380             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 381                 progressBar.setProgress(progress.getProgress(), true);
 382             }
 383             else progressBar.setProgress(progress.getProgress());
 384             progressBar.setIndeterminate(false);
 385         }
 386     }
 387     public void nav_profiles_clicked(View view) {
 388         drawer.closeDrawers();
 389         Intent intent = new Intent(this, ProfileListActivity.class);
 390         startActivity(intent);
 391     }
 392     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 393
 394         public SectionsPagerAdapter(FragmentManager fm) {
 395             super(fm);
 396         }
 397
 398         @Override
 399         public Fragment getItem(int position) {
 400             Log.d("main", String.format("Switching to gragment %d", position));
 401             switch (position) {
 402                 case 0:
 403                     return new AccountSummaryFragment();
 404                 case 1:
 405                     return new TransactionListFragment();
 406                 default:
 407                     throw new IllegalStateException(
 408                             String.format("Unexpected fragment index: " + "%d", position));
 409             }
 410         }
 411
 412         @Override
 413         public int getCount() {
 414             return 2;
 415         }
 416     }
 417
 418 }