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