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.pm.PackageInfo;
  22 import android.os.Build;
  23 import android.os.Bundle;
  24 import android.support.annotation.ColorInt;
  25 import android.support.design.widget.FloatingActionButton;
  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 import android.widget.Toast;
  41
  42 import net.ktnx.mobileledger.R;
  43 import net.ktnx.mobileledger.async.RefreshDescriptionsTask;
  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.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.util.Date;
  55
  56 public class MainActivity extends AppCompatActivity {
  57     DrawerLayout drawer;
  58     private FragmentManager fragmentManager;
  59     private TextView tvLastUpdate;
  60     private RetrieveTransactionsTask retrieveTransactionsTask;
  61     private View bTransactionListCancelDownload;
  62     private ProgressBar progressBar;
  63     private LinearLayout progressLayout;
  64     private SectionsPagerAdapter mSectionsPagerAdapter;
  65     private ViewPager mViewPager;
  66     private FloatingActionButton fab;
  67
  68     @Override
  69     protected void onStart() {
  70         super.onStart();
  71
  72         Data.lastUpdateDate.set(null);
  73         updateLastUpdateTextFromDB();
  74         Date lastUpdate = Data.lastUpdateDate.get();
  75
  76         long now = new Date().getTime();
  77         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  78             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  79             else Log.d("db",
  80                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  81                             lastUpdate.getTime() / 1000f, now / 1000f));
  82
  83             scheduleTransactionListRetrieval();
  84         }
  85     }
  86     @Override
  87     protected void onCreate(Bundle savedInstanceState) {
  88         super.onCreate(savedInstanceState);
  89         setContentView(R.layout.activity_main);
  90         Toolbar toolbar = findViewById(R.id.toolbar);
  91         setSupportActionBar(toolbar);
  92         fab = findViewById(R.id.btn_add_transaction);
  93
  94         Data.profile.addObserver((o, arg) -> {
  95             MobileLedgerProfile profile = Data.profile.get();
  96             runOnUiThread(() -> {
  97                 if (profile == null) setTitle(R.string.app_name);
  98                 else setTitle(profile.getName());
  99                 updateLastUpdateTextFromDB();
 100                 if (profile.isPostingPermitted()) {
 101                     toolbar.setSubtitle(null);
 102                     fab.show();
 103                 }
 104                 else {
 105                     toolbar.setSubtitle(R.string.profile_subitlte_read_only);
 106                     fab.hide();
 107                 }
 108             });
 109         });
 110
 111         drawer = findViewById(R.id.drawer_layout);
 112         ActionBarDrawerToggle toggle =
 113                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 114                         R.string.navigation_drawer_close);
 115         drawer.addDrawerListener(toggle);
 116         toggle.syncState();
 117
 118         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 119
 120         try {
 121             PackageInfo pi =
 122                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 123             ver.setText(pi.versionName);
 124         }
 125         catch (Exception e) {
 126             e.printStackTrace();
 127         }
 128
 129         tvLastUpdate = findViewById(R.id.transactions_last_update);
 130
 131         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 132         progressBar = findViewById(R.id.transaction_list_progress_bar);
 133         if (progressBar == null)
 134             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 135         progressLayout = findViewById(R.id.transaction_progress_layout);
 136         if (progressLayout == null) throw new RuntimeException(
 137                 "Can't get hold on the transaction value progress bar layout");
 138
 139         fragmentManager = getSupportFragmentManager();
 140         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 141
 142         markDrawerItemCurrent(R.id.nav_account_summary);
 143
 144         mViewPager = findViewById(R.id.root_frame);
 145         mViewPager.setAdapter(mSectionsPagerAdapter);
 146         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 147             @Override
 148             public void onPageSelected(int position) {
 149                 switch (position) {
 150                     case 0:
 151                         markDrawerItemCurrent(R.id.nav_account_summary);
 152                         break;
 153                     case 1:
 154                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 155                         break;
 156                     default:
 157                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 158                 }
 159
 160                 super.onPageSelected(position);
 161             }
 162         });
 163
 164         Data.lastUpdateDate.addObserver((o, arg) -> {
 165             Log.d("main", "lastUpdateDate changed");
 166             runOnUiThread(() -> {
 167                 Date date = Data.lastUpdateDate.get();
 168                 if (date == null) {
 169                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 170                 }
 171                 else {
 172                     final String text = DateFormat.getDateTimeInstance().format(date);
 173                     tvLastUpdate.setText(text);
 174                     Log.d("despair", String.format("Date formatted: %s", text));
 175                 }
 176             });
 177         });
 178
 179         findViewById(R.id.btn_no_profiles_add).setOnClickListener(v -> startAddProfileActivity());
 180
 181         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 182     }
 183     @Override
 184     protected void onResume() {
 185         super.onResume();
 186         setupProfile();
 187     }
 188     private void startAddProfileActivity() {
 189         Intent intent = new Intent(this, ProfileListActivity.class);
 190         Bundle args = new Bundle();
 191         args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 192         args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, ProfileListActivity.PROFILE_INDEX_NONE);
 193         intent.putExtras(args);
 194         startActivity(intent, args);
 195     }
 196     private void setupProfile() {
 197         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 198         MobileLedgerProfile profile;
 199
 200         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 201
 202         if (Data.profiles.getList().isEmpty()) {
 203             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 204             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 205             return;
 206         }
 207
 208         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 209         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 210
 211         if (profile == null) profile = Data.profiles.get(0);
 212
 213         if (profile == null) throw new AssertionError("profile must have a value");
 214
 215         Data.setCurrentProfile(profile);
 216     }
 217     public void fabNewTransactionClicked(View view) {
 218         Intent intent = new Intent(this, NewTransactionActivity.class);
 219         startActivity(intent);
 220         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 221     }
 222     public void navSettingsClicked(View view) {
 223         Intent intent = new Intent(this, SettingsActivity.class);
 224         startActivity(intent);
 225         drawer.closeDrawers();
 226     }
 227     public void markDrawerItemCurrent(int id) {
 228         TextView item = drawer.findViewById(id);
 229         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 230             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg, getTheme()));
 231         }
 232         else {
 233             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg));
 234         }
 235
 236         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 237
 238         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 239         for (int i = 0; i < actions.getChildCount(); i++) {
 240             View view = actions.getChildAt(i);
 241             if (view.getId() != id) {
 242                 view.setBackgroundColor(transparent);
 243             }
 244         }
 245     }
 246     public void onAccountSummaryClicked(View view) {
 247         drawer.closeDrawers();
 248
 249         showAccountSummaryFragment();
 250     }
 251     private void showAccountSummaryFragment() {
 252         mViewPager.setCurrentItem(0, true);
 253         TransactionListFragment.accountFilter.set(null);
 254 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 255 //        accountSummaryFragment = new AccountSummaryFragment();
 256 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 257 //        ft.commit();
 258 //        currentFragment = accountSummaryFragment;
 259     }
 260     public void onLatestTransactionsClicked(View view) {
 261         drawer.closeDrawers();
 262
 263         showTransactionsFragment(null);
 264     }
 265     private void resetFragmentBackStack() {
 266 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 267     }
 268     private void showTransactionsFragment(LedgerAccount account) {
 269         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 270         mViewPager.setCurrentItem(1, true);
 271 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 272 //        if (transactionListFragment == null) {
 273 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 274 //            transactionListFragment = new TransactionListFragment();
 275 //        }
 276 //        Bundle bundle = new Bundle();
 277 //        if (account != null) {
 278 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 279 //                    account.getName());
 280 //        }
 281 //        transactionListFragment.setArguments(bundle);
 282 //        ft.replace(R.id.root_frame, transactionListFragment);
 283 //        if (account != null)
 284 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 285 //        ft.commit();
 286 //
 287 //        currentFragment = transactionListFragment;
 288     }
 289     public void showAccountTransactions(LedgerAccount account) {
 290         showTransactionsFragment(account);
 291     }
 292     @Override
 293     public void onBackPressed() {
 294         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 295         if (drawer.isDrawerOpen(GravityCompat.START)) {
 296             drawer.closeDrawer(GravityCompat.START);
 297         }
 298         else {
 299             Log.d("fragments",
 300                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 301
 302             super.onBackPressed();
 303         }
 304     }
 305     public void updateLastUpdateTextFromDB() {
 306         {
 307             final MobileLedgerProfile profile = Data.profile.get();
 308             long last_update =
 309                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 310
 311             Log.d("transactions", String.format("Last update = %d", last_update));
 312             if (last_update == 0) {
 313                 Data.lastUpdateDate.set(null);
 314             }
 315             else {
 316                 Data.lastUpdateDate.set(new Date(last_update));
 317             }
 318         }
 319     }
 320     public void scheduleTransactionListRetrieval() {
 321         if (Data.profile.get() == null) return;
 322
 323         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 324
 325         retrieveTransactionsTask.execute();
 326         bTransactionListCancelDownload.setEnabled(true);
 327     }
 328     public void onStopTransactionRefreshClick(View view) {
 329         Log.d("interactive", "Cancelling transactions refresh");
 330         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 331         bTransactionListCancelDownload.setEnabled(false);
 332     }
 333     public void onRetrieveDone(String error) {
 334         progressLayout.setVisibility(View.GONE);
 335
 336         if (error == null) {
 337             updateLastUpdateTextFromDB();
 338
 339             new RefreshDescriptionsTask().execute();
 340         }
 341         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 342     }
 343     public void onRetrieveStart() {
 344         progressBar.setIndeterminate(true);
 345         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 346         else progressBar.setProgress(0);
 347         progressLayout.setVisibility(View.VISIBLE);
 348     }
 349     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 350         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 351             (progress.getTotal() == 0))
 352         {
 353             progressBar.setIndeterminate(true);
 354         }
 355         else {
 356             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 357                 progressBar.setMin(0);
 358             }
 359             progressBar.setMax(progress.getTotal());
 360             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 361                 progressBar.setProgress(progress.getProgress(), true);
 362             }
 363             else progressBar.setProgress(progress.getProgress());
 364             progressBar.setIndeterminate(false);
 365         }
 366     }
 367     public void navProfilesClicked(View view) {
 368         drawer.closeDrawers();
 369         Intent intent = new Intent(this, ProfileListActivity.class);
 370         startActivity(intent);
 371     }
 372     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 373
 374         public SectionsPagerAdapter(FragmentManager fm) {
 375             super(fm);
 376         }
 377
 378         @Override
 379         public Fragment getItem(int position) {
 380             Log.d("main", String.format("Switching to fragment %d", position));
 381             switch (position) {
 382                 case 0:
 383                     return new AccountSummaryFragment();
 384                 case 1:
 385                     return new TransactionListFragment();
 386                 default:
 387                     throw new IllegalStateException(
 388                             String.format("Unexpected fragment index: " + "%d", position));
 389             }
 390         }
 391
 392         @Override
 393         public int getCount() {
 394             return 2;
 395         }
 396     }
 397     public void fabShouldShow() {
 398         MobileLedgerProfile profile = Data.profile.get();
 399         if (profile.isPostingPermitted()) fab.show();
 400     }
 401 }