+++ /dev/null
-/*
- * Copyright © 2019 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
- * under the term of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your opinion), any later version.
- *
- * Mobile-Ledger is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License terms for details.
- *
- * You should have received a copy of the GNU General Public License
- * along with Mobile-Ledger. If not, see <https://www.gnu.org/licenses/>.
- */
-
-package net.ktnx.mobileledger.async;
-
-import android.content.SharedPreferences;
-import android.database.sqlite.SQLiteDatabase;
-import android.os.OperationCanceledException;
-import android.util.Log;
-
-import net.ktnx.mobileledger.R;
-import net.ktnx.mobileledger.model.Data;
-import net.ktnx.mobileledger.model.LedgerAccount;
-import net.ktnx.mobileledger.ui.activity.MainActivity;
-import net.ktnx.mobileledger.utils.MLDB;
-import net.ktnx.mobileledger.utils.NetworkUtil;
-
-import java.io.BufferedReader;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.lang.ref.WeakReference;
-import java.net.HttpURLConnection;
-import java.net.MalformedURLException;
-import java.net.URLDecoder;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-public class RetrieveAccountsTask extends android.os.AsyncTask<Void, Integer, Void> {
- int error;
- WeakReference<MainActivity> mContext;
- private SharedPreferences pref;
-
- public RetrieveAccountsTask(WeakReference<MainActivity> context) {
- mContext = context;
- error = 0;
- }
-
- public void setPref(SharedPreferences pref) {
- this.pref = pref;
- }
-
- protected Void doInBackground(Void... params) {
- Data.backgroundTaskCount.incrementAndGet();
- try {
- HttpURLConnection http = NetworkUtil.prepare_connection(pref, "add");
- publishProgress(0);
- SQLiteDatabase db = MLDB.getWritableDatabase();
- try (InputStream resp = http.getInputStream()) {
- Log.d("update_accounts", String.valueOf(http.getResponseCode()));
- if (http.getResponseCode() != 200) {
- throw new IOException(String.format("HTTP error: %d %s", http.getResponseCode(),
- http.getResponseMessage()));
- }
- else {
- if (db.inTransaction()) throw new AssertionError();
-
- db.beginTransaction();
-
- try {
- db.execSQL("update account_values set keep=0;");
- db.execSQL("update accounts set keep=0;");
-
- String line;
- String last_account_name = null;
- BufferedReader buf =
- new BufferedReader(new InputStreamReader(resp, "UTF-8"));
- // %3A is '='
- Pattern account_name_re =
- Pattern.compile("/register\\?q=inacct%3A([a-zA-Z0-9%]+)\"");
- Pattern account_value_re = Pattern.compile(
- "<span class=\"[^\"]*\\bamount\\b[^\"]*\">\\s*([-+]?[\\d.,]+)(?:\\s+(\\S+))?</span>");
- Pattern tr_end_re = Pattern.compile("</tr>");
- Pattern descriptions_line_re =
- Pattern.compile("\\bdescriptionsSuggester\\s*=\\s*new\\b");
- Pattern description_items_re = Pattern.compile("\"value\":\"([^\"]+)\"");
- int count = 0;
- while ((line = buf.readLine()) != null) {
- throwIfCancelled();
-
- Matcher m = account_name_re.matcher(line);
- if (m.find()) {
- String acct_encoded = m.group(1);
- String acct_name = URLDecoder.decode(acct_encoded, "UTF-8");
- acct_name = acct_name.replace("\"", "");
- Log.d("account-parser", acct_name);
-
- addAccount(db, acct_name);
- publishProgress(++count);
-
- last_account_name = acct_name;
-
- continue;
- }
-
- Matcher tr_m = tr_end_re.matcher(line);
- if (tr_m.find()) {
- Log.d("account-parser", "<tr> - another account expected");
- last_account_name = null;
- continue;
- }
-
- if (last_account_name != null) {
- m = account_value_re.matcher(line);
- boolean match_found = false;
- while (m.find()) {
- throwIfCancelled();
-
- match_found = true;
- String value = m.group(1);
- String currency = m.group(2);
- if (currency == null) currency = "";
- value = value.replace(',', '.');
- Log.d("db", "curr=" + currency + ", value=" + value);
- db.execSQL(
- "insert or replace into account_values(account, currency, value, keep) values(?, ?, ?, 1);",
- new Object[]{last_account_name, currency,
- Float.valueOf(value)
- });
- }
-
- if (match_found) continue;
- }
-
- m = descriptions_line_re.matcher(line);
- if (m.find()) {
- db.execSQL("update description_history set keep=0;");
- m = description_items_re.matcher(line);
- while (m.find()) {
- throwIfCancelled();
-
- String description = m.group(1);
- if (description.isEmpty()) continue;
-
- Log.d("db",
- String.format("Stored description: %s", description));
- db.execSQL("insert or replace into description_history" +
- "(description, description_upper, keep) " +
- "values(?, ?, 1);",
- new Object[]{description, description.toUpperCase()
- });
- }
- }
- }
-
- db.execSQL("delete from account_values where keep=0;");
- db.execSQL("delete from accounts where keep=0;");
- db.setTransactionSuccessful();
- }
- catch (OperationCanceledException e) {
- Log.w("async", "Account retrieval cancelled");
- }
- finally {
- db.endTransaction();
- }
- }
- }
- }
- catch (MalformedURLException e) {
- error = R.string.err_bad_backend_url;
- e.printStackTrace();
- }
- catch (FileNotFoundException e) {
- error = R.string.err_bad_auth;
- e.printStackTrace();
- }
- catch (IOException e) {
- error = R.string.err_net_io_error;
- e.printStackTrace();
- }
- catch (Exception e) {
- error = R.string.err_net_error;
- e.printStackTrace();
- }
- finally {
- Log.d("RAT", "decrementing background task count");
- Data.backgroundTaskCount.decrementAndGet();
- }
-
- return null;
- }
- private void throwIfCancelled() {
- if (isCancelled()) throw new OperationCanceledException(null);
- }
-
- private void addAccount(SQLiteDatabase db, String name) {
- do {
- LedgerAccount acc = new LedgerAccount(name);
- db.execSQL("update accounts set level = ?, keep = 1 where name = ?",
- new Object[]{acc.getLevel(), name});
- db.execSQL("insert into accounts(name, name_upper, parent_name, level) select ?,?," +
- "?,? " + "where (select changes() = 0)",
- new Object[]{name, name.toUpperCase(), acc.getParentName(), acc.getLevel()});
- name = acc.getParentName();
- } while (name != null);
- }
- @Override
- protected void onPostExecute(Void result) {
- MainActivity ctx = mContext.get();
- if (ctx == null) return;
- ctx.onRetrieveDone(this.error == 0);
- }
-
-}