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()) fab.show();
 101                 else fab.hide();
 102             });
 103         });
 104
 105         drawer = findViewById(R.id.drawer_layout);
 106         ActionBarDrawerToggle toggle =
 107                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 108                         R.string.navigation_drawer_close);
 109         drawer.addDrawerListener(toggle);
 110         toggle.syncState();
 111
 112         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 113
 114         try {
 115             PackageInfo pi =
 116                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 117             ver.setText(pi.versionName);
 118         }
 119         catch (Exception e) {
 120             e.printStackTrace();
 121         }
 122
 123         tvLastUpdate = findViewById(R.id.transactions_last_update);
 124
 125         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 126         progressBar = findViewById(R.id.transaction_list_progress_bar);
 127         if (progressBar == null)
 128             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 129         progressLayout = findViewById(R.id.transaction_progress_layout);
 130         if (progressLayout == null) throw new RuntimeException(
 131                 "Can't get hold on the transaction value progress bar layout");
 132
 133         fragmentManager = getSupportFragmentManager();
 134         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 135
 136         markDrawerItemCurrent(R.id.nav_account_summary);
 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                     final String text = DateFormat.getDateTimeInstance().format(date);
 167                     tvLastUpdate.setText(text);
 168                     Log.d("despair", String.format("Date formatted: %s", text));
 169                 }
 170             });
 171         });
 172
 173         findViewById(R.id.btn_no_profiles_add).setOnClickListener(v -> startAddProfileActivity());
 174
 175         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 176     }
 177     @Override
 178     protected void onResume() {
 179         super.onResume();
 180         setupProfile();
 181     }
 182     private void startAddProfileActivity() {
 183         Intent intent = new Intent(this, ProfileListActivity.class);
 184         Bundle args = new Bundle();
 185         args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 186         args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, ProfileListActivity.PROFILE_INDEX_NONE);
 187         intent.putExtras(args);
 188         startActivity(intent, args);
 189     }
 190     private void setupProfile() {
 191         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 192         MobileLedgerProfile profile;
 193
 194         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 195
 196         if (Data.profiles.getList().isEmpty()) {
 197             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 198             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 199             return;
 200         }
 201
 202         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 203         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 204
 205         if (profile == null) profile = Data.profiles.get(0);
 206
 207         if (profile == null) throw new AssertionError("profile must have a value");
 208
 209         Data.setCurrentProfile(profile);
 210     }
 211     public void fabNewTransactionClicked(View view) {
 212         Intent intent = new Intent(this, NewTransactionActivity.class);
 213         startActivity(intent);
 214         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 215     }
 216     public void navSettingsClicked(View view) {
 217         Intent intent = new Intent(this, SettingsActivity.class);
 218         startActivity(intent);
 219         drawer.closeDrawers();
 220     }
 221     public void markDrawerItemCurrent(int id) {
 222         TextView item = drawer.findViewById(id);
 223         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 224             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg, getTheme()));
 225         }
 226         else {
 227             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg));
 228         }
 229
 230         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 231
 232         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 233         for (int i = 0; i < actions.getChildCount(); i++) {
 234             View view = actions.getChildAt(i);
 235             if (view.getId() != id) {
 236                 view.setBackgroundColor(transparent);
 237             }
 238         }
 239     }
 240     public void onAccountSummaryClicked(View view) {
 241         drawer.closeDrawers();
 242
 243         showAccountSummaryFragment();
 244     }
 245     private void showAccountSummaryFragment() {
 246         mViewPager.setCurrentItem(0, true);
 247         TransactionListFragment.accountFilter.set(null);
 248 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 249 //        accountSummaryFragment = new AccountSummaryFragment();
 250 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 251 //        ft.commit();
 252 //        currentFragment = accountSummaryFragment;
 253     }
 254     public void onLatestTransactionsClicked(View view) {
 255         drawer.closeDrawers();
 256
 257         showTransactionsFragment(null);
 258     }
 259     private void resetFragmentBackStack() {
 260 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 261     }
 262     private void showTransactionsFragment(LedgerAccount account) {
 263         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 264         mViewPager.setCurrentItem(1, true);
 265 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 266 //        if (transactionListFragment == null) {
 267 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 268 //            transactionListFragment = new TransactionListFragment();
 269 //        }
 270 //        Bundle bundle = new Bundle();
 271 //        if (account != null) {
 272 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 273 //                    account.getName());
 274 //        }
 275 //        transactionListFragment.setArguments(bundle);
 276 //        ft.replace(R.id.root_frame, transactionListFragment);
 277 //        if (account != null)
 278 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 279 //        ft.commit();
 280 //
 281 //        currentFragment = transactionListFragment;
 282     }
 283     public void showAccountTransactions(LedgerAccount account) {
 284         showTransactionsFragment(account);
 285     }
 286     @Override
 287     public void onBackPressed() {
 288         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 289         if (drawer.isDrawerOpen(GravityCompat.START)) {
 290             drawer.closeDrawer(GravityCompat.START);
 291         }
 292         else {
 293             Log.d("fragments",
 294                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 295
 296             super.onBackPressed();
 297         }
 298     }
 299     public void updateLastUpdateTextFromDB() {
 300         {
 301             final MobileLedgerProfile profile = Data.profile.get();
 302             long last_update =
 303                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 304
 305             Log.d("transactions", String.format("Last update = %d", last_update));
 306             if (last_update == 0) {
 307                 Data.lastUpdateDate.set(null);
 308             }
 309             else {
 310                 Data.lastUpdateDate.set(new Date(last_update));
 311             }
 312         }
 313     }
 314     public void scheduleTransactionListRetrieval() {
 315         if (Data.profile.get() == null) return;
 316
 317         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 318
 319         retrieveTransactionsTask.execute();
 320         bTransactionListCancelDownload.setEnabled(true);
 321     }
 322     public void onStopTransactionRefreshClick(View view) {
 323         Log.d("interactive", "Cancelling transactions refresh");
 324         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 325         bTransactionListCancelDownload.setEnabled(false);
 326     }
 327     public void onRetrieveDone(String error) {
 328         progressLayout.setVisibility(View.GONE);
 329
 330         if (error == null) {
 331             updateLastUpdateTextFromDB();
 332
 333             new RefreshDescriptionsTask().execute();
 334         }
 335         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 336     }
 337     public void onRetrieveStart() {
 338         progressBar.setIndeterminate(true);
 339         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 340         else progressBar.setProgress(0);
 341         progressLayout.setVisibility(View.VISIBLE);
 342     }
 343     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 344         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 345             (progress.getTotal() == 0))
 346         {
 347             progressBar.setIndeterminate(true);
 348         }
 349         else {
 350             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 351                 progressBar.setMin(0);
 352             }
 353             progressBar.setMax(progress.getTotal());
 354             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 355                 progressBar.setProgress(progress.getProgress(), true);
 356             }
 357             else progressBar.setProgress(progress.getProgress());
 358             progressBar.setIndeterminate(false);
 359         }
 360     }
 361     public void navProfilesClicked(View view) {
 362         drawer.closeDrawers();
 363         Intent intent = new Intent(this, ProfileListActivity.class);
 364         startActivity(intent);
 365     }
 366     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 367
 368         public SectionsPagerAdapter(FragmentManager fm) {
 369             super(fm);
 370         }
 371
 372         @Override
 373         public Fragment getItem(int position) {
 374             Log.d("main", String.format("Switching to fragment %d", position));
 375             switch (position) {
 376                 case 0:
 377                     return new AccountSummaryFragment();
 378                 case 1:
 379                     return new TransactionListFragment();
 380                 default:
 381                     throw new IllegalStateException(
 382                             String.format("Unexpected fragment index: " + "%d", position));
 383             }
 384         }
 385
 386         @Override
 387         public int getCount() {
 388             return 2;
 389         }
 390     }
 391     public void fabShouldShow() {
 392         MobileLedgerProfile profile = Data.profile.get();
 393         if (profile.isPostingPermitted()) fab.show();
 394     }
 395 }