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 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
  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
  92         Data.profile.addObserver((o, arg) -> {
  93             MobileLedgerProfile profile = Data.profile.get();
  94             runOnUiThread(() -> {
  95                 if (profile == null) setTitle(R.string.app_name);
  96                 else setTitle(profile.getName());
  97             });
  98         });
  99
 100         setupProfile();
 101
 102         drawer = findViewById(R.id.drawer_layout);
 103         ActionBarDrawerToggle toggle =
 104                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 105                         R.string.navigation_drawer_close);
 106         drawer.addDrawerListener(toggle);
 107         toggle.syncState();
 108
 109         TextView ver = drawer.findViewById(R.id.drawer_version_text);
 110
 111         try {
 112             PackageInfo pi =
 113                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 114             ver.setText(pi.versionName);
 115         }
 116         catch (Exception e) {
 117             e.printStackTrace();
 118         }
 119
 120         tvLastUpdate = findViewById(R.id.transactions_last_update);
 121
 122         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 123         progressBar = findViewById(R.id.transaction_list_progress_bar);
 124         if (progressBar == null)
 125             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 126         progressLayout = findViewById(R.id.transaction_progress_layout);
 127         if (progressLayout == null) throw new RuntimeException(
 128                 "Can't get hold on the transaction value progress bar layout");
 129
 130         fragmentManager = getSupportFragmentManager();
 131         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 132
 133         mViewPager = findViewById(R.id.root_frame);
 134         mViewPager.setAdapter(mSectionsPagerAdapter);
 135         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 136             @Override
 137             public void onPageSelected(int position) {
 138                 switch (position) {
 139                     case 0:
 140                         markDrawerItemCurrent(R.id.nav_account_summary);
 141                         break;
 142                     case 1:
 143                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 144                         break;
 145                     default:
 146                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 147                 }
 148
 149                 super.onPageSelected(position);
 150             }
 151         });
 152
 153         Data.lastUpdateDate.addObserver((o, arg) -> {
 154             Log.d("main", "lastUpdateDate changed");
 155             runOnUiThread(() -> {
 156                 Date date = Data.lastUpdateDate.get();
 157                 if (date == null) {
 158                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 159                 }
 160                 else {
 161                     final String text = DateFormat.getDateTimeInstance().format(date);
 162                     tvLastUpdate.setText(text);
 163                     Log.d("despair", String.format("Date formatted: %s", text));
 164                 }
 165             });
 166         });
 167     }
 168     private void setupProfile() {
 169         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 170         MobileLedgerProfile profile;
 171
 172         if (profileUUID == null) {
 173             if (Data.profiles.isEmpty()) {
 174                 Data.profiles.setList(MobileLedgerProfile.createInitialProfileList());
 175                 profile = Data.profiles.get(0);
 176
 177                 SharedPreferences backend = getSharedPreferences("backend", MODE_PRIVATE);
 178                 Log.d("profiles", "Migrating from preferences to profiles");
 179                 // migration to multiple profiles
 180                 if (profile.getUrl().isEmpty()) {
 181                     // no legacy config
 182                     Intent intent = new Intent(this, ProfileListActivity.class);
 183                     startActivity(intent);
 184                 }
 185                 profile.setUrl(backend.getString("backend_url", ""));
 186                 profile.setAuthEnabled(backend.getBoolean("backend_use_http_auth", false));
 187                 profile.setAuthUserName(backend.getString("backend_auth_user", null));
 188                 profile.setAuthPassword(backend.getString("backend_auth_password", null));
 189                 profile.storeInDB();
 190                 SharedPreferences.Editor editor = backend.edit();
 191                 editor.clear();
 192                 editor.apply();
 193             }
 194             else profile = Data.profiles.get(0);
 195         }
 196         else {
 197             profile = MobileLedgerProfile.loadAllFromDB(profileUUID);
 198         }
 199
 200         if (profile == null) profile = Data.profiles.get(0);
 201
 202         if (profile == null) throw new AssertionError("profile must have a value");
 203
 204         Data.setCurrentProfile(profile);
 205
 206         if (profile.getUrl().isEmpty()) {
 207             Intent intent = new Intent(this, ProfileListActivity.class);
 208             Bundle args = new Bundle();
 209             args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 210             args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, 0);
 211             intent.putExtras(args);
 212             startActivity(intent, args);
 213         }
 214     }
 215     public void fabNewTransactionClicked(View view) {
 216         Intent intent = new Intent(this, NewTransactionActivity.class);
 217         startActivity(intent);
 218         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 219     }
 220     public void navSettingsClicked(View view) {
 221         Intent intent = new Intent(this, SettingsActivity.class);
 222         startActivity(intent);
 223         drawer.closeDrawers();
 224     }
 225     public void markDrawerItemCurrent(int id) {
 226         TextView item = drawer.findViewById(id);
 227         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 228             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg, getTheme()));
 229         }
 230         else {
 231             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg));
 232         }
 233
 234         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 235
 236         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 237         for (int i = 0; i < actions.getChildCount(); i++) {
 238             View view = actions.getChildAt(i);
 239             if (view.getId() != id) {
 240                 view.setBackgroundColor(transparent);
 241             }
 242         }
 243     }
 244     public void onAccountSummaryClicked(View view) {
 245         drawer.closeDrawers();
 246
 247         showAccountSummaryFragment();
 248     }
 249     private void showAccountSummaryFragment() {
 250         mViewPager.setCurrentItem(0, true);
 251         TransactionListFragment.accountFilter.set(null);
 252 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 253 //        accountSummaryFragment = new AccountSummaryFragment();
 254 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 255 //        ft.commit();
 256 //        currentFragment = accountSummaryFragment;
 257     }
 258     public void onLatestTransactionsClicked(View view) {
 259         drawer.closeDrawers();
 260
 261         showTransactionsFragment(null);
 262     }
 263     private void resetFragmentBackStack() {
 264 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 265     }
 266     private void showTransactionsFragment(LedgerAccount account) {
 267         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 268         mViewPager.setCurrentItem(1, true);
 269 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 270 //        if (transactionListFragment == null) {
 271 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 272 //            transactionListFragment = new TransactionListFragment();
 273 //        }
 274 //        Bundle bundle = new Bundle();
 275 //        if (account != null) {
 276 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 277 //                    account.getName());
 278 //        }
 279 //        transactionListFragment.setArguments(bundle);
 280 //        ft.replace(R.id.root_frame, transactionListFragment);
 281 //        if (account != null)
 282 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 283 //        ft.commit();
 284 //
 285 //        currentFragment = transactionListFragment;
 286     }
 287     public void showAccountTransactions(LedgerAccount account) {
 288         showTransactionsFragment(account);
 289     }
 290     @Override
 291     public void onBackPressed() {
 292         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 293         if (drawer.isDrawerOpen(GravityCompat.START)) {
 294             drawer.closeDrawer(GravityCompat.START);
 295         }
 296         else {
 297             Log.d("fragments",
 298                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 299
 300             super.onBackPressed();
 301         }
 302     }
 303     public void updateLastUpdateTextFromDB() {
 304         {
 305             long last_update = Data.profile.get().getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
 306
 307             Log.d("transactions", String.format("Last update = %d", last_update));
 308             if (last_update == 0) {
 309                 Data.lastUpdateDate.set(null);
 310             }
 311             else {
 312                 Data.lastUpdateDate.set(new Date(last_update));
 313             }
 314         }
 315     }
 316     public void scheduleTransactionListRetrieval() {
 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 gragment %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
 392 }