app/src/main/java/net/ktnx/mobileledger/ui/activity/MainActivity.java

   1 /*
   2  * Copyright © 2019 Damyan Ivanov.
   3  * This file is part of MoLe.
   4  * MoLe 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  * MoLe 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 MoLe. 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.widget.Toolbar;
  34 import android.util.Log;
  35 import android.view.View;
  36 import android.widget.LinearLayout;
  37 import android.widget.ProgressBar;
  38 import android.widget.TextView;
  39 import android.widget.Toast;
  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.account_summary.AccountSummaryFragment;
  48 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  49 import net.ktnx.mobileledger.utils.MLDB;
  50
  51 import java.lang.ref.WeakReference;
  52 import java.text.DateFormat;
  53 import java.util.Date;
  54
  55 public class MainActivity extends CrashReportingActivity {
  56     DrawerLayout drawer;
  57     private FragmentManager fragmentManager;
  58     private TextView tvLastUpdate;
  59     private RetrieveTransactionsTask retrieveTransactionsTask;
  60     private View bTransactionListCancelDownload;
  61     private ProgressBar progressBar;
  62     private LinearLayout progressLayout;
  63     private SectionsPagerAdapter mSectionsPagerAdapter;
  64     private ViewPager mViewPager;
  65     private FloatingActionButton fab;
  66
  67     @Override
  68     protected void onStart() {
  69         super.onStart();
  70
  71         Data.lastUpdateDate.set(null);
  72         updateLastUpdateTextFromDB();
  73         Date lastUpdate = Data.lastUpdateDate.get();
  74
  75         long now = new Date().getTime();
  76         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  77             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  78             else Log.d("db",
  79                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  80                             lastUpdate.getTime() / 1000f, now / 1000f));
  81
  82             scheduleTransactionListRetrieval();
  83         }
  84     }
  85     @Override
  86     protected void onCreate(Bundle savedInstanceState) {
  87         super.onCreate(savedInstanceState);
  88         setContentView(R.layout.activity_main);
  89         Toolbar toolbar = findViewById(R.id.toolbar);
  90         setSupportActionBar(toolbar);
  91         fab = findViewById(R.id.btn_add_transaction);
  92
  93         Data.profile.addObserver((o, arg) -> {
  94             MobileLedgerProfile profile = Data.profile.get();
  95             runOnUiThread(() -> {
  96                 if (profile == null) setTitle(R.string.app_name);
  97                 else setTitle(profile.getName());
  98                 updateLastUpdateTextFromDB();
  99                 if (profile.isPostingPermitted()) {
 100                     toolbar.setSubtitle(null);
 101                     fab.show();
 102                 }
 103                 else {
 104                     toolbar.setSubtitle(R.string.profile_subitlte_read_only);
 105                     fab.hide();
 106                 }
 107             });
 108         });
 109
 110         drawer = findViewById(R.id.drawer_layout);
 111         ActionBarDrawerToggle toggle =
 112                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 113                         R.string.navigation_drawer_close);
 114         drawer.addDrawerListener(toggle);
 115         toggle.syncState();
 116
 117         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 118
 119         try {
 120             PackageInfo pi =
 121                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 122             ver.setText(pi.versionName);
 123         }
 124         catch (Exception e) {
 125             e.printStackTrace();
 126         }
 127
 128         tvLastUpdate = findViewById(R.id.transactions_last_update);
 129
 130         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 131         progressBar = findViewById(R.id.transaction_list_progress_bar);
 132         if (progressBar == null)
 133             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 134         progressLayout = findViewById(R.id.transaction_progress_layout);
 135         if (progressLayout == null) throw new RuntimeException(
 136                 "Can't get hold on the transaction value progress bar layout");
 137
 138         fragmentManager = getSupportFragmentManager();
 139         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 140
 141         markDrawerItemCurrent(R.id.nav_account_summary);
 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                     final String text = DateFormat.getDateTimeInstance().format(date);
 172                     tvLastUpdate.setText(text);
 173                     Log.d("despair", String.format("Date formatted: %s", text));
 174                 }
 175             });
 176         });
 177
 178         findViewById(R.id.btn_no_profiles_add).setOnClickListener(v -> startAddProfileActivity());
 179
 180         findViewById(R.id.btn_add_transaction).setOnClickListener(this::fabNewTransactionClicked);
 181     }
 182     @Override
 183     protected void onResume() {
 184         super.onResume();
 185         setupProfile();
 186     }
 187     private void startAddProfileActivity() {
 188         Intent intent = new Intent(this, ProfileListActivity.class);
 189         Bundle args = new Bundle();
 190         args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 191         args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, ProfileListActivity.PROFILE_INDEX_NONE);
 192         intent.putExtras(args);
 193         startActivity(intent, args);
 194     }
 195     private void setupProfile() {
 196         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 197         MobileLedgerProfile profile;
 198
 199         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 200
 201         if (Data.profiles.getList().isEmpty()) {
 202             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 203             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 204             return;
 205         }
 206
 207         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 208         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 209
 210         if (profile == null) profile = Data.profiles.get(0);
 211
 212         if (profile == null) throw new AssertionError("profile must have a value");
 213
 214         Data.setCurrentProfile(profile);
 215     }
 216     public void fabNewTransactionClicked(View view) {
 217         Intent intent = new Intent(this, NewTransactionActivity.class);
 218         startActivity(intent);
 219         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 220     }
 221     public void navSettingsClicked(View view) {
 222         Intent intent = new Intent(this, SettingsActivity.class);
 223         startActivity(intent);
 224         drawer.closeDrawers();
 225     }
 226     public void markDrawerItemCurrent(int id) {
 227         TextView item = drawer.findViewById(id);
 228         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 229             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg, getTheme()));
 230         }
 231         else {
 232             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg));
 233         }
 234
 235         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 236
 237         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 238         for (int i = 0; i < actions.getChildCount(); i++) {
 239             View view = actions.getChildAt(i);
 240             if (view.getId() != id) {
 241                 view.setBackgroundColor(transparent);
 242             }
 243         }
 244     }
 245     public void onAccountSummaryClicked(View view) {
 246         drawer.closeDrawers();
 247
 248         showAccountSummaryFragment();
 249     }
 250     private void showAccountSummaryFragment() {
 251         mViewPager.setCurrentItem(0, true);
 252         TransactionListFragment.accountFilter.set(null);
 253 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 254 //        accountSummaryFragment = new AccountSummaryFragment();
 255 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 256 //        ft.commit();
 257 //        currentFragment = accountSummaryFragment;
 258     }
 259     public void onLatestTransactionsClicked(View view) {
 260         drawer.closeDrawers();
 261
 262         showTransactionsFragment(null);
 263     }
 264     private void resetFragmentBackStack() {
 265 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 266     }
 267     private void showTransactionsFragment(LedgerAccount account) {
 268         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 269         mViewPager.setCurrentItem(1, true);
 270 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 271 //        if (transactionListFragment == null) {
 272 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 273 //            transactionListFragment = new TransactionListFragment();
 274 //        }
 275 //        Bundle bundle = new Bundle();
 276 //        if (account != null) {
 277 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 278 //                    account.getName());
 279 //        }
 280 //        transactionListFragment.setArguments(bundle);
 281 //        ft.replace(R.id.root_frame, transactionListFragment);
 282 //        if (account != null)
 283 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 284 //        ft.commit();
 285 //
 286 //        currentFragment = transactionListFragment;
 287     }
 288     public void showAccountTransactions(LedgerAccount account) {
 289         showTransactionsFragment(account);
 290     }
 291     @Override
 292     public void onBackPressed() {
 293         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 294         if (drawer.isDrawerOpen(GravityCompat.START)) {
 295             drawer.closeDrawer(GravityCompat.START);
 296         }
 297         else {
 298             Log.d("fragments",
 299                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 300
 301             super.onBackPressed();
 302         }
 303     }
 304     public void updateLastUpdateTextFromDB() {
 305         {
 306             final MobileLedgerProfile profile = Data.profile.get();
 307             long last_update =
 308                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 309
 310             Log.d("transactions", String.format("Last update = %d", last_update));
 311             if (last_update == 0) {
 312                 Data.lastUpdateDate.set(null);
 313             }
 314             else {
 315                 Data.lastUpdateDate.set(new Date(last_update));
 316             }
 317         }
 318     }
 319     public void scheduleTransactionListRetrieval() {
 320         if (Data.profile.get() == null) return;
 321
 322         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 323
 324         retrieveTransactionsTask.execute();
 325         bTransactionListCancelDownload.setEnabled(true);
 326     }
 327     public void onStopTransactionRefreshClick(View view) {
 328         Log.d("interactive", "Cancelling transactions refresh");
 329         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 330         bTransactionListCancelDownload.setEnabled(false);
 331     }
 332     public void onRetrieveDone(String error) {
 333         progressLayout.setVisibility(View.GONE);
 334
 335         if (error == null) {
 336             updateLastUpdateTextFromDB();
 337
 338             new RefreshDescriptionsTask().execute();
 339         }
 340         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 341     }
 342     public void onRetrieveStart() {
 343         progressBar.setIndeterminate(true);
 344         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 345         else progressBar.setProgress(0);
 346         progressLayout.setVisibility(View.VISIBLE);
 347     }
 348     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 349         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 350             (progress.getTotal() == 0))
 351         {
 352             progressBar.setIndeterminate(true);
 353         }
 354         else {
 355             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 356                 progressBar.setMin(0);
 357             }
 358             progressBar.setMax(progress.getTotal());
 359             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 360                 progressBar.setProgress(progress.getProgress(), true);
 361             }
 362             else progressBar.setProgress(progress.getProgress());
 363             progressBar.setIndeterminate(false);
 364         }
 365     }
 366     public void navProfilesClicked(View view) {
 367         drawer.closeDrawers();
 368         Intent intent = new Intent(this, ProfileListActivity.class);
 369         startActivity(intent);
 370     }
 371     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 372
 373         public SectionsPagerAdapter(FragmentManager fm) {
 374             super(fm);
 375         }
 376
 377         @Override
 378         public Fragment getItem(int position) {
 379             Log.d("main", String.format("Switching to fragment %d", position));
 380             switch (position) {
 381                 case 0:
 382                     return new AccountSummaryFragment();
 383                 case 1:
 384                     return new TransactionListFragment();
 385                 default:
 386                     throw new IllegalStateException(
 387                             String.format("Unexpected fragment index: " + "%d", position));
 388             }
 389         }
 390
 391         @Override
 392         public int getCount() {
 393             return 2;
 394         }
 395     }
 396     public void fabShouldShow() {
 397         MobileLedgerProfile profile = Data.profile.get();
 398         if ((profile != null) && profile.isPostingPermitted()) fab.show();
 399     }
 400 }