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.v4.app.Fragment;
  26 import android.support.v4.app.FragmentManager;
  27 import android.support.v4.app.FragmentPagerAdapter;
  28 import android.support.v4.view.GravityCompat;
  29 import android.support.v4.view.ViewPager;
  30 import android.support.v4.widget.DrawerLayout;
  31 import android.support.v7.app.ActionBarDrawerToggle;
  32 import android.support.v7.app.AppCompatActivity;
  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 AppCompatActivity {
  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
  66     @Override
  67     protected void onStart() {
  68         super.onStart();
  69
  70         Data.lastUpdateDate.set(null);
  71         updateLastUpdateTextFromDB();
  72         Date lastUpdate = Data.lastUpdateDate.get();
  73
  74         long now = new Date().getTime();
  75         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  76             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  77             else Log.d("db",
  78                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  79                             lastUpdate.getTime() / 1000f, now / 1000f));
  80
  81             scheduleTransactionListRetrieval();
  82         }
  83     }
  84     @Override
  85     protected void onCreate(Bundle savedInstanceState) {
  86         super.onCreate(savedInstanceState);
  87         setContentView(R.layout.activity_main);
  88         Toolbar toolbar = findViewById(R.id.toolbar);
  89         setSupportActionBar(toolbar);
  90
  91         Data.profile.addObserver((o, arg) -> {
  92             MobileLedgerProfile profile = Data.profile.get();
  93             runOnUiThread(() -> {
  94                 if (profile == null) setTitle(R.string.app_name);
  95                 else setTitle(profile.getName());
  96             });
  97         });
  98
  99         drawer = findViewById(R.id.drawer_layout);
 100         ActionBarDrawerToggle toggle =
 101                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 102                         R.string.navigation_drawer_close);
 103         drawer.addDrawerListener(toggle);
 104         toggle.syncState();
 105
 106         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 107
 108         try {
 109             PackageInfo pi =
 110                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 111             ver.setText(pi.versionName);
 112         }
 113         catch (Exception e) {
 114             e.printStackTrace();
 115         }
 116
 117         tvLastUpdate = findViewById(R.id.transactions_last_update);
 118
 119         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 120         progressBar = findViewById(R.id.transaction_list_progress_bar);
 121         if (progressBar == null)
 122             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 123         progressLayout = findViewById(R.id.transaction_progress_layout);
 124         if (progressLayout == null) throw new RuntimeException(
 125                 "Can't get hold on the transaction value progress bar layout");
 126
 127         fragmentManager = getSupportFragmentManager();
 128         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 129
 130         mViewPager = findViewById(R.id.root_frame);
 131         mViewPager.setAdapter(mSectionsPagerAdapter);
 132         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 133             @Override
 134             public void onPageSelected(int position) {
 135                 switch (position) {
 136                     case 0:
 137                         markDrawerItemCurrent(R.id.nav_account_summary);
 138                         break;
 139                     case 1:
 140                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 141                         break;
 142                     default:
 143                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 144                 }
 145
 146                 super.onPageSelected(position);
 147             }
 148         });
 149
 150         Data.lastUpdateDate.addObserver((o, arg) -> {
 151             Log.d("main", "lastUpdateDate changed");
 152             runOnUiThread(() -> {
 153                 Date date = Data.lastUpdateDate.get();
 154                 if (date == null) {
 155                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 156                 }
 157                 else {
 158                     final String text = DateFormat.getDateTimeInstance().format(date);
 159                     tvLastUpdate.setText(text);
 160                     Log.d("despair", String.format("Date formatted: %s", text));
 161                 }
 162             });
 163         });
 164
 165         findViewById(R.id.btn_no_profiles_add).setOnClickListener(v -> startAddProfileActivity());
 166     }
 167     @Override
 168     protected void onResume() {
 169         super.onResume();
 170         setupProfile();
 171     }
 172     private void startAddProfileActivity() {
 173         Intent intent = new Intent(this, ProfileListActivity.class);
 174         Bundle args = new Bundle();
 175         args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 176         args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, ProfileListActivity.PROFILE_INDEX_NONE);
 177         intent.putExtras(args);
 178         startActivity(intent, args);
 179     }
 180     private void setupProfile() {
 181         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 182         MobileLedgerProfile profile;
 183
 184         profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 185
 186         if (Data.profiles.getList().isEmpty()) {
 187             findViewById(R.id.no_profiles_layout).setVisibility(View.VISIBLE);
 188             findViewById(R.id.pager_layout).setVisibility(View.GONE);
 189             return;
 190         }
 191
 192         findViewById(R.id.pager_layout).setVisibility(View.VISIBLE);
 193         findViewById(R.id.no_profiles_layout).setVisibility(View.GONE);
 194
 195         if (profile == null) profile = Data.profiles.get(0);
 196
 197         if (profile == null) throw new AssertionError("profile must have a value");
 198
 199         Data.setCurrentProfile(profile);
 200     }
 201     public void fabNewTransactionClicked(View view) {
 202         Intent intent = new Intent(this, NewTransactionActivity.class);
 203         startActivity(intent);
 204         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 205     }
 206     public void navSettingsClicked(View view) {
 207         Intent intent = new Intent(this, SettingsActivity.class);
 208         startActivity(intent);
 209         drawer.closeDrawers();
 210     }
 211     public void markDrawerItemCurrent(int id) {
 212         TextView item = drawer.findViewById(id);
 213         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 214             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg, getTheme()));
 215         }
 216         else {
 217             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg));
 218         }
 219
 220         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 221
 222         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 223         for (int i = 0; i < actions.getChildCount(); i++) {
 224             View view = actions.getChildAt(i);
 225             if (view.getId() != id) {
 226                 view.setBackgroundColor(transparent);
 227             }
 228         }
 229     }
 230     public void onAccountSummaryClicked(View view) {
 231         drawer.closeDrawers();
 232
 233         showAccountSummaryFragment();
 234     }
 235     private void showAccountSummaryFragment() {
 236         mViewPager.setCurrentItem(0, true);
 237         TransactionListFragment.accountFilter.set(null);
 238 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 239 //        accountSummaryFragment = new AccountSummaryFragment();
 240 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 241 //        ft.commit();
 242 //        currentFragment = accountSummaryFragment;
 243     }
 244     public void onLatestTransactionsClicked(View view) {
 245         drawer.closeDrawers();
 246
 247         showTransactionsFragment(null);
 248     }
 249     private void resetFragmentBackStack() {
 250 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 251     }
 252     private void showTransactionsFragment(LedgerAccount account) {
 253         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 254         mViewPager.setCurrentItem(1, true);
 255 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 256 //        if (transactionListFragment == null) {
 257 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 258 //            transactionListFragment = new TransactionListFragment();
 259 //        }
 260 //        Bundle bundle = new Bundle();
 261 //        if (account != null) {
 262 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 263 //                    account.getName());
 264 //        }
 265 //        transactionListFragment.setArguments(bundle);
 266 //        ft.replace(R.id.root_frame, transactionListFragment);
 267 //        if (account != null)
 268 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 269 //        ft.commit();
 270 //
 271 //        currentFragment = transactionListFragment;
 272     }
 273     public void showAccountTransactions(LedgerAccount account) {
 274         showTransactionsFragment(account);
 275     }
 276     @Override
 277     public void onBackPressed() {
 278         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 279         if (drawer.isDrawerOpen(GravityCompat.START)) {
 280             drawer.closeDrawer(GravityCompat.START);
 281         }
 282         else {
 283             Log.d("fragments",
 284                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 285
 286             super.onBackPressed();
 287         }
 288     }
 289     public void updateLastUpdateTextFromDB() {
 290         {
 291             final MobileLedgerProfile profile = Data.profile.get();
 292             long last_update =
 293                     (profile != null) ? profile.getLongOption(MLDB.OPT_LAST_SCRAPE, 0L) : 0;
 294
 295             Log.d("transactions", String.format("Last update = %d", last_update));
 296             if (last_update == 0) {
 297                 Data.lastUpdateDate.set(null);
 298             }
 299             else {
 300                 Data.lastUpdateDate.set(new Date(last_update));
 301             }
 302         }
 303     }
 304     public void scheduleTransactionListRetrieval() {
 305         if (Data.profile.get() == null) return;
 306
 307         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 308
 309         retrieveTransactionsTask.execute();
 310         bTransactionListCancelDownload.setEnabled(true);
 311     }
 312     public void onStopTransactionRefreshClick(View view) {
 313         Log.d("interactive", "Cancelling transactions refresh");
 314         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 315         bTransactionListCancelDownload.setEnabled(false);
 316     }
 317     public void onRetrieveDone(String error) {
 318         progressLayout.setVisibility(View.GONE);
 319
 320         if (error == null) {
 321             updateLastUpdateTextFromDB();
 322
 323             new RefreshDescriptionsTask().execute();
 324         }
 325         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 326     }
 327     public void onRetrieveStart() {
 328         progressBar.setIndeterminate(true);
 329         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 330         else progressBar.setProgress(0);
 331         progressLayout.setVisibility(View.VISIBLE);
 332     }
 333     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 334         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 335             (progress.getTotal() == 0))
 336         {
 337             progressBar.setIndeterminate(true);
 338         }
 339         else {
 340             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 341                 progressBar.setMin(0);
 342             }
 343             progressBar.setMax(progress.getTotal());
 344             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 345                 progressBar.setProgress(progress.getProgress(), true);
 346             }
 347             else progressBar.setProgress(progress.getProgress());
 348             progressBar.setIndeterminate(false);
 349         }
 350     }
 351     public void navProfilesClicked(View view) {
 352         drawer.closeDrawers();
 353         Intent intent = new Intent(this, ProfileListActivity.class);
 354         startActivity(intent);
 355     }
 356     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 357
 358         public SectionsPagerAdapter(FragmentManager fm) {
 359             super(fm);
 360         }
 361
 362         @Override
 363         public Fragment getItem(int position) {
 364             Log.d("main", String.format("Switching to fragment %d", position));
 365             switch (position) {
 366                 case 0:
 367                     return new AccountSummaryFragment();
 368                 case 1:
 369                     return new TransactionListFragment();
 370                 default:
 371                     throw new IllegalStateException(
 372                             String.format("Unexpected fragment index: " + "%d", position));
 373             }
 374         }
 375
 376         @Override
 377         public int getCount() {
 378             return 2;
 379         }
 380     }
 381
 382 }