2 * Copyright © 2021 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.
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.
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/>.
18 package net.ktnx.mobileledger.ui.new_transaction;
20 import android.content.Context;
21 import android.content.Intent;
22 import android.database.AbstractCursor;
23 import android.database.Cursor;
24 import android.os.Bundle;
25 import android.os.ParcelFormatException;
26 import android.text.TextUtils;
27 import android.util.TypedValue;
28 import android.view.Menu;
29 import android.view.MenuItem;
30 import android.view.View;
32 import androidx.activity.result.ActivityResultLauncher;
33 import androidx.annotation.NonNull;
34 import androidx.core.view.MenuCompat;
35 import androidx.lifecycle.LiveData;
36 import androidx.lifecycle.ViewModelProvider;
37 import androidx.navigation.NavController;
38 import androidx.navigation.fragment.NavHostFragment;
40 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
41 import com.google.android.material.snackbar.Snackbar;
43 import net.ktnx.mobileledger.BuildConfig;
44 import net.ktnx.mobileledger.R;
45 import net.ktnx.mobileledger.async.AsyncCrasher;
46 import net.ktnx.mobileledger.async.DescriptionSelectedCallback;
47 import net.ktnx.mobileledger.async.SendTransactionTask;
48 import net.ktnx.mobileledger.async.TaskCallback;
49 import net.ktnx.mobileledger.databinding.ActivityNewTransactionBinding;
50 import net.ktnx.mobileledger.db.DB;
51 import net.ktnx.mobileledger.db.TemplateHeader;
52 import net.ktnx.mobileledger.model.Data;
53 import net.ktnx.mobileledger.model.LedgerTransaction;
54 import net.ktnx.mobileledger.model.MatchedTemplate;
55 import net.ktnx.mobileledger.ui.FabManager;
56 import net.ktnx.mobileledger.ui.QR;
57 import net.ktnx.mobileledger.ui.activity.ProfileThemedActivity;
58 import net.ktnx.mobileledger.ui.templates.TemplatesActivity;
59 import net.ktnx.mobileledger.utils.Logger;
60 import net.ktnx.mobileledger.utils.MLDB;
61 import net.ktnx.mobileledger.utils.Misc;
63 import java.util.ArrayList;
64 import java.util.List;
65 import java.util.Objects;
66 import java.util.regex.Matcher;
67 import java.util.regex.Pattern;
69 import static net.ktnx.mobileledger.utils.Logger.debug;
71 public class NewTransactionActivity extends ProfileThemedActivity
72 implements TaskCallback, NewTransactionFragment.OnNewTransactionFragmentInteractionListener,
73 QR.QRScanTrigger, QR.QRScanResultReceiver, DescriptionSelectedCallback,
74 FabManager.FabHandler {
75 private NavController navController;
76 private NewTransactionModel model;
77 private ActivityResultLauncher<Void> qrScanLauncher;
78 private ActivityNewTransactionBinding b;
79 private FabManager fabManager;
81 protected void onCreate(Bundle savedInstanceState) {
82 super.onCreate(savedInstanceState);
84 b = ActivityNewTransactionBinding.inflate(getLayoutInflater(), null, false);
85 setContentView(b.getRoot());
86 setSupportActionBar(b.toolbar);
87 Data.observeProfile(this,
88 mobileLedgerProfile -> b.toolbar.setSubtitle(mobileLedgerProfile.getName()));
90 NavHostFragment navHostFragment = (NavHostFragment) Objects.requireNonNull(
91 getSupportFragmentManager().findFragmentById(R.id.new_transaction_nav));
92 navController = navHostFragment.getNavController();
94 Objects.requireNonNull(getSupportActionBar())
95 .setDisplayHomeAsUpEnabled(true);
97 model = new ViewModelProvider(this).get(NewTransactionModel.class);
99 qrScanLauncher = QR.registerLauncher(this, this);
101 fabManager = new FabManager(b.fabAdd);
103 model.isSubmittable()
104 .observe(this, isSubmittable -> {
106 fabManager.showFab();
109 fabManager.hideFab();
112 // viewModel.checkTransactionSubmittable(listAdapter);
114 b.fabAdd.setOnClickListener(v -> onFabPressed());
117 protected void initProfile() {
118 long profileId = getIntent().getLongExtra("profile_id", 0);
120 if (profileId != 0) {
121 mProfile = Data.getProfile(profileId);
122 if (mProfile == null)
124 Data.setCurrentProfile(mProfile);
130 public void finish() {
132 overridePendingTransition(R.anim.dummy, R.anim.slide_out_down);
135 public boolean onOptionsItemSelected(MenuItem item) {
136 if (item.getItemId() == android.R.id.home) {
140 return super.onOptionsItemSelected(item);
142 public void onTransactionSave(LedgerTransaction tr) {
143 navController.navigate(R.id.action_newTransactionFragment_to_newTransactionSavingFragment);
146 SendTransactionTask saver =
147 new SendTransactionTask(this, mProfile, model.getSimulateSaveFlag());
150 catch (Exception e) {
151 debug("new-transaction", "Unknown error", e);
153 Bundle b = new Bundle();
154 b.putString("error", "unknown error");
155 navController.navigate(R.id.newTransactionFragment, b);
158 public boolean onSimulateCrashMenuItemClicked(MenuItem item) {
159 debug("crash", "Will crash intentionally");
160 new AsyncCrasher().execute();
163 public boolean onCreateOptionsMenu(Menu menu) {
164 super.onCreateOptionsMenu(menu);
166 if (!BuildConfig.DEBUG)
169 // Inflate the menu; this adds items to the action bar if it is present.
170 getMenuInflater().inflate(R.menu.new_transaction, menu);
172 MenuCompat.setGroupDividerEnabled(menu, true);
174 menu.findItem(R.id.action_simulate_save)
175 .setOnMenuItemClickListener(this::onToggleSimulateSaveMenuItemClicked);
176 menu.findItem(R.id.action_simulate_crash)
177 .setOnMenuItemClickListener(this::onSimulateCrashMenuItemClicked);
179 model.getSimulateSave()
180 .observe(this, state -> {
181 menu.findItem(R.id.action_simulate_save)
183 b.simulationLabel.setVisibility(state ? View.VISIBLE : View.GONE);
190 public int dp2px(float dp) {
191 return Math.round(TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp,
192 getResources().getDisplayMetrics()));
195 public void done(String error) {
196 Bundle b = new Bundle();
198 b.putString("error", error);
199 navController.navigate(R.id.action_newTransactionSavingFragment_Failure, b);
202 navController.navigate(R.id.action_newTransactionSavingFragment_Success, b);
204 public boolean onToggleSimulateSaveMenuItemClicked(MenuItem item) {
205 model.toggleSimulateSave();
210 public void triggerQRScan() {
211 qrScanLauncher.launch(null);
213 private void startNewPatternActivity(String scanned) {
214 Intent intent = new Intent(this, TemplatesActivity.class);
215 Bundle args = new Bundle();
216 args.putString(TemplatesActivity.ARG_ADD_TEMPLATE, scanned);
217 startActivity(intent, args);
219 private void alertNoTemplateMatch(String scanned) {
220 MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
221 builder.setCancelable(true)
222 .setMessage(R.string.no_template_matches)
223 .setPositiveButton(R.string.add_button,
224 (dialog, which) -> startNewPatternActivity(scanned))
228 public void onQRScanResult(String text) {
229 Logger.debug("qr", String.format("Got QR scan result [%s]", text));
231 if (Misc.emptyIsNull(text) == null)
234 LiveData<List<TemplateHeader>> allTemplates = DB.get()
237 allTemplates.observe(this, templateHeaders -> {
238 ArrayList<MatchedTemplate> matchingFallbackTemplates = new ArrayList<>();
239 ArrayList<MatchedTemplate> matchingTemplates = new ArrayList<>();
241 for (TemplateHeader ph : templateHeaders) {
242 String patternSource = ph.getRegularExpression();
243 if (Misc.emptyIsNull(patternSource) == null)
246 Pattern pattern = Pattern.compile(patternSource);
247 Matcher matcher = pattern.matcher(text);
248 if (!matcher.matches())
251 Logger.debug("pattern",
252 String.format("Pattern '%s' [%s] matches '%s'", ph.getName(),
253 patternSource, text));
255 matchingFallbackTemplates.add(
256 new MatchedTemplate(ph, matcher.toMatchResult()));
258 matchingTemplates.add(new MatchedTemplate(ph, matcher.toMatchResult()));
260 catch (ParcelFormatException e) {
262 Logger.debug("pattern",
263 String.format("Error compiling regular expression '%s'", patternSource),
268 if (matchingTemplates.isEmpty())
269 matchingTemplates = matchingFallbackTemplates;
271 if (matchingTemplates.isEmpty())
272 alertNoTemplateMatch(text);
273 else if (matchingTemplates.size() == 1)
274 model.applyTemplate(matchingTemplates.get(0), text);
276 chooseTemplate(matchingTemplates, text);
279 private void chooseTemplate(ArrayList<MatchedTemplate> matchingTemplates, String matchedText) {
280 final String templateNameColumn = "name";
281 AbstractCursor cursor = new AbstractCursor() {
283 public int getCount() {
284 return matchingTemplates.size();
287 public String[] getColumnNames() {
288 return new String[]{"_id", templateNameColumn};
291 public String getString(int column) {
293 return String.valueOf(getPosition());
294 return matchingTemplates.get(getPosition()).templateHead.getName();
297 public short getShort(int column) {
299 return (short) getPosition();
303 public int getInt(int column) {
304 return getShort(column);
307 public long getLong(int column) {
308 return getShort(column);
311 public float getFloat(int column) {
312 return getShort(column);
315 public double getDouble(int column) {
316 return getShort(column);
319 public boolean isNull(int column) {
323 public int getColumnCount() {
328 MaterialAlertDialogBuilder builder = new MaterialAlertDialogBuilder(this);
329 builder.setCancelable(true)
330 .setTitle(R.string.choose_template_to_apply)
331 .setIcon(R.drawable.ic_baseline_auto_graph_24)
332 .setSingleChoiceItems(cursor, -1, templateNameColumn, (dialog, which) -> {
333 model.applyTemplate(matchingTemplates.get(which), matchedText);
339 public void descriptionSelected(String description) {
340 debug("description selected", description);
341 if (!model.accountListIsEmpty())
344 String accFilter = mProfile.getPreferredAccountsFilter();
346 ArrayList<String> params = new ArrayList<>();
347 StringBuilder sb = new StringBuilder("select t.profile, t.id from transactions t");
349 if (!TextUtils.isEmpty(accFilter)) {
350 sb.append(" JOIN transaction_accounts ta")
351 .append(" ON ta.profile = t.profile")
352 .append(" AND ta.transaction_id = t.id");
355 sb.append(" WHERE t.description=?");
356 params.add(description);
358 if (!TextUtils.isEmpty(accFilter)) {
359 sb.append(" AND ta.account_name LIKE '%'||?||'%'");
360 params.add(accFilter);
363 sb.append(" ORDER BY t.year desc, t.month desc, t.day desc LIMIT 1");
365 final String sql = sb.toString();
366 debug("description", sql);
367 debug("description", params.toString());
369 // FIXME: handle exceptions?
370 MLDB.queryInBackground(sql, params.toArray(new String[]{}), new MLDB.CallbackHelper() {
372 public void onStart() {
373 model.incrementBusyCounter();
376 public void onDone() {
377 model.decrementBusyCounter();
380 public boolean onRow(@NonNull Cursor cursor) {
381 final long profileId = cursor.getLong(0);
382 final int transactionId = cursor.getInt(1);
383 runOnUiThread(() -> model.loadTransactionIntoModel(profileId, transactionId));
384 return false; // limit 1, by the way
387 public void onNoRows() {
388 if (TextUtils.isEmpty(accFilter))
391 debug("description", "Trying transaction search without preferred account filter");
393 final String broaderSql =
394 "select t.profile, t.id from transactions t where t.description=?" +
395 " ORDER BY year desc, month desc, day desc LIMIT 1";
397 debug("description", broaderSql);
398 debug("description", description);
400 runOnUiThread(() -> Snackbar.make(b.newTransactionNav,
401 R.string.ignoring_preferred_account, Snackbar.LENGTH_INDEFINITE)
404 MLDB.queryInBackground(broaderSql, new String[]{description},
405 new MLDB.CallbackHelper() {
407 public void onStart() {
408 model.incrementBusyCounter();
411 public boolean onRow(@NonNull Cursor cursor) {
412 final long profileId = cursor.getLong(0);
413 final int transactionId = cursor.getInt(1);
414 runOnUiThread(() -> model.loadTransactionIntoModel(profileId,
419 public void onDone() {
420 model.decrementBusyCounter();
426 private void onFabPressed() {
427 fabManager.hideFab();
428 Misc.hideSoftKeyboard(this);
430 LedgerTransaction tr = model.constructLedgerTransaction();
432 onTransactionSave(tr);
435 public Context getContext() {
439 public void showManagedFab() {
440 if (Objects.requireNonNull(model.isSubmittable()
442 fabManager.showFab();
445 public void hideManagedFab() {
446 fabManager.hideFab();