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