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.MobileLedgerListFragment;
  49 import net.ktnx.mobileledger.ui.account_summary.AccountSummaryFragment;
  50 import net.ktnx.mobileledger.ui.transaction_list.TransactionListFragment;
  51 import net.ktnx.mobileledger.utils.MLDB;
  52
  53 import java.lang.ref.WeakReference;
  54 import java.text.DateFormat;
  55 import java.util.Date;
  56
  57 public class MainActivity extends AppCompatActivity {
  58     public MobileLedgerListFragment currentFragment = null;
  59     DrawerLayout drawer;
  60     private AccountSummaryFragment accountSummaryFragment;
  61     private TransactionListFragment transactionListFragment;
  62     private FragmentManager fragmentManager;
  63     private TextView tvLastUpdate;
  64     private RetrieveTransactionsTask retrieveTransactionsTask;
  65     private View bTransactionListCancelDownload;
  66     private ProgressBar progressBar;
  67     private LinearLayout progressLayout;
  68     private SectionsPagerAdapter mSectionsPagerAdapter;
  69     private ViewPager mViewPager;
  70
  71     @Override
  72     protected void onStart() {
  73         super.onStart();
  74
  75         Data.lastUpdateDate.set(null);
  76         updateLastUpdateTextFromDB();
  77         Date lastUpdate = Data.lastUpdateDate.get();
  78
  79         long now = new Date().getTime();
  80         if ((lastUpdate == null) || (now > (lastUpdate.getTime() + (24 * 3600 * 1000)))) {
  81             if (lastUpdate == null) Log.d("db::", "WEB data never fetched. scheduling a fetch");
  82             else Log.d("db",
  83                     String.format("WEB data last fetched at %1.3f and now is %1.3f. re-fetching",
  84                             lastUpdate.getTime() / 1000f, now / 1000f));
  85
  86             scheduleTransactionListRetrieval();
  87         }
  88     }
  89     @Override
  90     protected void onCreate(Bundle savedInstanceState) {
  91         super.onCreate(savedInstanceState);
  92         setContentView(R.layout.activity_main);
  93         Toolbar toolbar = findViewById(R.id.toolbar);
  94         setSupportActionBar(toolbar);
  95
  96         Data.profile.addObserver((o, arg) -> {
  97             MobileLedgerProfile profile = Data.profile.get();
  98             runOnUiThread(() -> {
  99                 if (profile == null) setTitle(R.string.app_name);
 100                 else setTitle(profile.getName());
 101             });
 102         });
 103
 104         setupProfile();
 105
 106         drawer = findViewById(R.id.drawer_layout);
 107         ActionBarDrawerToggle toggle =
 108                 new ActionBarDrawerToggle(this, drawer, toolbar, R.string.navigation_drawer_open,
 109                         R.string.navigation_drawer_close);
 110         drawer.addDrawerListener(toggle);
 111         toggle.syncState();
 112
 113         android.widget.TextView ver = drawer.findViewById(R.id.drawer_version_text);
 114
 115         try {
 116             PackageInfo pi =
 117                     getApplicationContext().getPackageManager().getPackageInfo(getPackageName(), 0);
 118             ver.setText(pi.versionName);
 119         }
 120         catch (Exception e) {
 121             e.printStackTrace();
 122         }
 123
 124         tvLastUpdate = findViewById(R.id.transactions_last_update);
 125
 126         bTransactionListCancelDownload = findViewById(R.id.transaction_list_cancel_download);
 127         progressBar = findViewById(R.id.transaction_list_progress_bar);
 128         if (progressBar == null)
 129             throw new RuntimeException("Can't get hold on the transaction value progress bar");
 130         progressLayout = findViewById(R.id.transaction_progress_layout);
 131         if (progressLayout == null) throw new RuntimeException(
 132                 "Can't get hold on the transaction value progress bar layout");
 133
 134         fragmentManager = getSupportFragmentManager();
 135         mSectionsPagerAdapter = new SectionsPagerAdapter(fragmentManager);
 136
 137         mViewPager = findViewById(R.id.root_frame);
 138         mViewPager.setAdapter(mSectionsPagerAdapter);
 139         mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener() {
 140             @Override
 141             public void onPageSelected(int position) {
 142                 switch (position) {
 143                     case 0:
 144                         markDrawerItemCurrent(R.id.nav_account_summary);
 145                         break;
 146                     case 1:
 147                         markDrawerItemCurrent(R.id.nav_latest_transactions);
 148                         break;
 149                     default:
 150                         Log.e("MainActivity", String.format("Unexpected page index %d", position));
 151                 }
 152
 153                 super.onPageSelected(position);
 154             }
 155         });
 156
 157         Data.lastUpdateDate.addObserver((o, arg) -> {
 158             Log.d("main", "lastUpdateDate changed");
 159             runOnUiThread(() -> {
 160                 Date date = Data.lastUpdateDate.get();
 161                 if (date == null) {
 162                     tvLastUpdate.setText(R.string.transaction_last_update_never);
 163                 }
 164                 else {
 165                     final String text = DateFormat.getDateTimeInstance().format(date);
 166                     tvLastUpdate.setText(text);
 167                     Log.d("despair", String.format("Date formatted: %s", text));
 168                 }
 169             });
 170         });
 171     }
 172     private void setupProfile() {
 173         Data.profiles.setList(MobileLedgerProfile.loadAllFromDB());
 174         MobileLedgerProfile profile = null;
 175
 176         String profileUUID = MLDB.getOption(MLDB.OPT_PROFILE_UUID, null);
 177         if (profileUUID == null) {
 178             if (Data.profiles.isEmpty()) {
 179                 Data.profiles.setList(MobileLedgerProfile.createInitialProfileList());
 180                 profile = Data.profiles.get(0);
 181
 182                 SharedPreferences backend = getSharedPreferences("backend", MODE_PRIVATE);
 183                 Log.d("profiles", "Migrating from preferences to profiles");
 184                 // migration to multiple profiles
 185                 if (profile.getUrl().isEmpty()) {
 186                     // no legacy config
 187                     Intent intent = new Intent(this, ProfileListActivity.class);
 188                     startActivity(intent);
 189                 }
 190                 profile.setUrl(backend.getString("backend_url", ""));
 191                 profile.setAuthEnabled(backend.getBoolean("backend_use_http_auth", false));
 192                 profile.setAuthUserName(backend.getString("backend_auth_user", null));
 193                 profile.setAuthPassword(backend.getString("backend_auth_password", null));
 194                 profile.storeInDB();
 195                 SharedPreferences.Editor editor = backend.edit();
 196                 editor.clear();
 197                 editor.apply();
 198             }
 199         }
 200         else {
 201             profile = MobileLedgerProfile.loadUUIDFromDB(profileUUID);
 202         }
 203
 204         if (profile == null) profile = Data.profiles.get(0);
 205
 206         if (profile == null) throw new AssertionError("profile must have a value");
 207
 208         Data.setCurrentProfile(profile);
 209
 210         if (profile.getUrl().isEmpty()) {
 211             Intent intent = new Intent(this, ProfileListActivity.class);
 212             Bundle args = new Bundle();
 213             args.putInt(ProfileListActivity.ARG_ACTION, ProfileListActivity.ACTION_EDIT_PROFILE);
 214             args.putInt(ProfileListActivity.ARG_PROFILE_INDEX, 0);
 215             intent.putExtras(args);
 216             startActivity(intent, args);
 217         }
 218     }
 219     public void fabNewTransactionClicked(View view) {
 220         Intent intent = new Intent(this, NewTransactionActivity.class);
 221         startActivity(intent);
 222         overridePendingTransition(R.anim.slide_in_right, R.anim.dummy);
 223     }
 224
 225     public void navExitClicked(View view) {
 226         Log.w("app", "exiting");
 227         finish();
 228     }
 229
 230     public void navSettingsClicked(View view) {
 231         Intent intent = new Intent(this, SettingsActivity.class);
 232         startActivity(intent);
 233         drawer.closeDrawers();
 234     }
 235     public void markDrawerItemCurrent(int id) {
 236         TextView item = drawer.findViewById(id);
 237         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
 238             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg, getTheme()));
 239         }
 240         else {
 241             item.setBackgroundColor(getResources().getColor(R.color.table_row_dark_bg));
 242         }
 243
 244         @ColorInt int transparent = getResources().getColor(android.R.color.transparent);
 245
 246         LinearLayout actions = drawer.findViewById(R.id.nav_actions);
 247         for (int i = 0; i < actions.getChildCount(); i++) {
 248             View view = actions.getChildAt(i);
 249             if (view.getId() != id) {
 250                 view.setBackgroundColor(transparent);
 251             }
 252         }
 253     }
 254     public void onAccountSummaryClicked(View view) {
 255         drawer.closeDrawers();
 256
 257         showAccountSummaryFragment();
 258     }
 259     private void showAccountSummaryFragment() {
 260         mViewPager.setCurrentItem(0, true);
 261         TransactionListFragment.accountFilter.set(null);
 262 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 263 //        accountSummaryFragment = new AccountSummaryFragment();
 264 //        ft.replace(R.id.root_frame, accountSummaryFragment);
 265 //        ft.commit();
 266 //        currentFragment = accountSummaryFragment;
 267     }
 268     public void onLatestTransactionsClicked(View view) {
 269         drawer.closeDrawers();
 270
 271         showTransactionsFragment(null);
 272     }
 273     private void resetFragmentBackStack() {
 274 //        fragmentManager.popBackStack(0, FragmentManager.POP_BACK_STACK_INCLUSIVE);
 275     }
 276     private void showTransactionsFragment(LedgerAccount account) {
 277         if (account != null) TransactionListFragment.accountFilter.set(account.getName());
 278         mViewPager.setCurrentItem(1, true);
 279 //        FragmentTransaction ft = fragmentManager.beginTransaction();
 280 //        if (transactionListFragment == null) {
 281 //            Log.d("flow", "MainActivity creating TransactionListFragment");
 282 //            transactionListFragment = new TransactionListFragment();
 283 //        }
 284 //        Bundle bundle = new Bundle();
 285 //        if (account != null) {
 286 //            bundle.putString(TransactionListFragment.BUNDLE_KEY_FILTER_ACCOUNT_NAME,
 287 //                    account.getName());
 288 //        }
 289 //        transactionListFragment.setArguments(bundle);
 290 //        ft.replace(R.id.root_frame, transactionListFragment);
 291 //        if (account != null)
 292 //            ft.addToBackStack(getResources().getString(R.string.title_activity_transaction_list));
 293 //        ft.commit();
 294 //
 295 //        currentFragment = transactionListFragment;
 296     }
 297     public void showAccountTransactions(LedgerAccount account) {
 298         showTransactionsFragment(account);
 299     }
 300     @Override
 301     public void onBackPressed() {
 302         DrawerLayout drawer = findViewById(R.id.drawer_layout);
 303         if (drawer.isDrawerOpen(GravityCompat.START)) {
 304             drawer.closeDrawer(GravityCompat.START);
 305         }
 306         else {
 307             Log.d("fragments",
 308                     String.format("manager stack: %d", fragmentManager.getBackStackEntryCount()));
 309
 310             super.onBackPressed();
 311         }
 312     }
 313     public void updateLastUpdateTextFromDB() {
 314         {
 315             long last_update = Data.profile.get().getLongOption(MLDB.OPT_LAST_SCRAPE, 0L);
 316
 317             Log.d("transactions", String.format("Last update = %d", last_update));
 318             if (last_update == 0) {
 319                 Data.lastUpdateDate.set(null);
 320             }
 321             else {
 322                 Data.lastUpdateDate.set(new Date(last_update));
 323             }
 324         }
 325     }
 326     public void scheduleTransactionListRetrieval() {
 327         retrieveTransactionsTask = new RetrieveTransactionsTask(new WeakReference<>(this));
 328
 329         retrieveTransactionsTask.execute();
 330         bTransactionListCancelDownload.setEnabled(true);
 331     }
 332     public void onStopTransactionRefreshClick(View view) {
 333         Log.d("interactive", "Cancelling transactions refresh");
 334         if (retrieveTransactionsTask != null) retrieveTransactionsTask.cancel(false);
 335         bTransactionListCancelDownload.setEnabled(false);
 336     }
 337     public void onRetrieveDone(String error) {
 338         progressLayout.setVisibility(View.GONE);
 339
 340         if (error == null) {
 341             updateLastUpdateTextFromDB();
 342
 343             new RefreshDescriptionsTask().execute();
 344         }
 345         else Toast.makeText(this, error, Toast.LENGTH_LONG).show();
 346     }
 347     public void onRetrieveStart() {
 348         progressBar.setIndeterminate(true);
 349         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) progressBar.setProgress(0, false);
 350         else progressBar.setProgress(0);
 351         progressLayout.setVisibility(View.VISIBLE);
 352     }
 353     public void onRetrieveProgress(RetrieveTransactionsTask.Progress progress) {
 354         if ((progress.getTotal() == RetrieveTransactionsTask.Progress.INDETERMINATE) ||
 355             (progress.getTotal() == 0))
 356         {
 357             progressBar.setIndeterminate(true);
 358         }
 359         else {
 360             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
 361                 progressBar.setMin(0);
 362             }
 363             progressBar.setMax(progress.getTotal());
 364             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 365                 progressBar.setProgress(progress.getProgress(), true);
 366             }
 367             else progressBar.setProgress(progress.getProgress());
 368             progressBar.setIndeterminate(false);
 369         }
 370     }
 371     public void navProfilesClicked(View view) {
 372         drawer.closeDrawers();
 373         Intent intent = new Intent(this, ProfileListActivity.class);
 374         startActivity(intent);
 375     }
 376     public class SectionsPagerAdapter extends FragmentPagerAdapter {
 377
 378         public SectionsPagerAdapter(FragmentManager fm) {
 379             super(fm);
 380         }
 381
 382         @Override
 383         public Fragment getItem(int position) {
 384             Log.d("main", String.format("Switching to gragment %d", position));
 385             switch (position) {
 386                 case 0:
 387                     return new AccountSummaryFragment();
 388                 case 1:
 389                     return new TransactionListFragment();
 390                 default:
 391                     throw new IllegalStateException(
 392                             String.format("Unexpected fragment index: " + "%d", position));
 393             }
 394         }
 395
 396         @Override
 397         public int getCount() {
 398             return 2;
 399         }
 400     }
 401
 402 }