/*
- * Copyright © 2018 Damyan Ivanov.
- * This file is part of Mobile-Ledger.
- * Mobile-Ledger is free software: you can distribute it and/or modify it
+ * Copyright © 2020 Damyan Ivanov.
+ * This file is part of MoLe.
+ * MoLe 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,
+ * MoLe 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/>.
+ * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
*/
package net.ktnx.mobileledger.async;
import android.annotation.SuppressLint;
-import android.content.SharedPreferences;
import android.database.sqlite.SQLiteDatabase;
import android.os.AsyncTask;
+import android.os.OperationCanceledException;
-import net.ktnx.mobileledger.R;
-import net.ktnx.mobileledger.TransactionListActivity;
+import androidx.annotation.NonNull;
+
+import com.fasterxml.jackson.databind.RuntimeJsonMappingException;
+
+import net.ktnx.mobileledger.App;
+import net.ktnx.mobileledger.err.HTTPException;
+import net.ktnx.mobileledger.json.API;
+import net.ktnx.mobileledger.json.AccountListParser;
+import net.ktnx.mobileledger.json.ApiNotSupportedException;
+import net.ktnx.mobileledger.json.TransactionListParser;
+import net.ktnx.mobileledger.model.Data;
+import net.ktnx.mobileledger.model.LedgerAccount;
import net.ktnx.mobileledger.model.LedgerTransaction;
-import net.ktnx.mobileledger.model.LedgerTransactionItem;
-import net.ktnx.mobileledger.utils.MLDB;
+import net.ktnx.mobileledger.model.LedgerTransactionAccount;
+import net.ktnx.mobileledger.model.MobileLedgerProfile;
+import net.ktnx.mobileledger.ui.MainModel;
+import net.ktnx.mobileledger.utils.Logger;
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.nio.charset.StandardCharsets;
+import java.text.ParseException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Locale;
+import java.util.Objects;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class RetrieveTransactionsTask extends
- AsyncTask<RetrieveTransactionsTask.Params, RetrieveTransactionsTask.Progress, Void> {
- private static final Pattern transactionStartPattern = Pattern.compile("<tr class=\"title\" " +
- "id=\"transaction-(\\d+)\"><td class=\"date\"[^\\\"]*>([\\d.-]+)</td>");
- private static final Pattern transactionDescriptionPattern =
+ AsyncTask<Void, RetrieveTransactionsTask.Progress, RetrieveTransactionsTask.Result> {
+ private static final int MATCHING_TRANSACTIONS_LIMIT = 150;
+ private static final Pattern reComment = Pattern.compile("^\\s*;");
+ private static final Pattern reTransactionStart = Pattern.compile(
+ "<tr class=\"title\" " + "id=\"transaction-(\\d+)" + "\"><td class=\"date" +
+ "\"[^\"]*>([\\d.-]+)</td>");
+ private static final Pattern reTransactionDescription =
Pattern.compile("<tr class=\"posting\" title=\"(\\S+)\\s(.+)");
- private static final Pattern transactionDetailsPattern =
- Pattern.compile("^\\s+" + "(\\S[\\S\\s]+\\S)\\s\\s+([-+]?\\d[\\d,.]*)");
- private static final Pattern endPattern = Pattern.compile("\\bid=\"addmodal\"");
- protected WeakReference<TransactionListActivity> contextRef;
- protected int error;
- private boolean success;
- public RetrieveTransactionsTask(WeakReference<TransactionListActivity> contextRef) {
- this.contextRef = contextRef;
+ private static final Pattern reTransactionDetails = Pattern.compile(
+ "^\\s+" + "([!*]\\s+)?" + "(\\S[\\S\\s]+\\S)\\s\\s+" + "(?:([^\\d\\s+\\-]+)\\s*)?" +
+ "([-+]?\\d[\\d,.]*)" + "(?:\\s*([^\\d\\s+\\-]+)\\s*$)?");
+ private static final Pattern reEnd = Pattern.compile("\\bid=\"addmodal\"");
+ private static final Pattern reDecimalPoint = Pattern.compile("\\.\\d\\d?$");
+ private static final Pattern reDecimalComma = Pattern.compile(",\\d\\d?$");
+ // %3A is '='
+ private final Pattern reAccountName =
+ Pattern.compile("/register\\?q=inacct%3A([a-zA-Z0-9%]+)\"");
+ private final Pattern reAccountValue = Pattern.compile(
+ "<span class=\"[^\"]*\\bamount\\b[^\"]*\">\\s*([-+]?[\\d.,]+)(?:\\s+(\\S+))?</span>");
+ private final MainModel mainModel;
+ private final MobileLedgerProfile profile;
+ private final List<LedgerAccount> prevAccounts;
+ private int expectedPostingsCount = -1;
+ public RetrieveTransactionsTask(@NonNull MainModel mainModel,
+ @NonNull MobileLedgerProfile profile,
+ List<LedgerAccount> accounts) {
+ this.mainModel = mainModel;
+ this.profile = profile;
+ this.prevAccounts = accounts;
+ }
+ private static void L(String msg) {
+ //debug("transaction-parser", msg);
+ }
+ static LedgerTransactionAccount parseTransactionAccountLine(String line) {
+ Matcher m = reTransactionDetails.matcher(line);
+ if (m.find()) {
+ String postingStatus = m.group(1);
+ String acc_name = m.group(2);
+ String currencyPre = m.group(3);
+ String amount = Objects.requireNonNull(m.group(4));
+ String currencyPost = m.group(5);
+
+ String currency = null;
+ if ((currencyPre != null) && (currencyPre.length() > 0)) {
+ if ((currencyPost != null) && (currencyPost.length() > 0))
+ return null;
+ currency = currencyPre;
+ }
+ else if ((currencyPost != null) && (currencyPost.length() > 0)) {
+ currency = currencyPost;
+ }
+
+ amount = amount.replace(',', '.');
+
+ return new LedgerTransactionAccount(acc_name, Float.parseFloat(amount), currency, null);
+ }
+ else {
+ return null;
+ }
}
- private static final void L(String msg) {
-// Log.d("transaction-parser", msg);
+ public MobileLedgerProfile getProfile() {
+ return profile;
}
@Override
protected void onProgressUpdate(Progress... values) {
super.onProgressUpdate(values);
- TransactionListActivity context = getContext();
- if (context == null) return;
- context.onRetrieveProgress(values[0]);
+ Data.backgroundTaskProgress.postValue(values[0]);
}
@Override
- protected void onPreExecute() {
- super.onPreExecute();
- TransactionListActivity context = getContext();
- if (context == null) return;
- context.onRetrieveStart();
+ protected void onPostExecute(Result result) {
+ super.onPostExecute(result);
+ Progress progress = new Progress();
+ progress.setState(ProgressState.FINISHED);
+ progress.setError(result.error);
+ onProgressUpdate(progress);
}
@Override
- protected void onPostExecute(Void aVoid) {
- super.onPostExecute(aVoid);
- TransactionListActivity context = getContext();
- if (context == null) return;
- context.onRetrieveDone(success);
- }
- @SuppressLint("DefaultLocale")
- @Override
- protected Void doInBackground(Params... params) {
+ protected void onCancelled() {
+ super.onCancelled();
Progress progress = new Progress();
- int maxTransactionId = Progress.INDETERMINATE;
- success = false;
- try {
- HttpURLConnection http =
- NetworkUtil.prepare_connection(params[0].getBackendPref(), "journal");
- http.setAllowUserInteraction(false);
- publishProgress(progress);
- TransactionListActivity ctx = contextRef.get();
- if (ctx == null) return null;
- try (SQLiteDatabase db = MLDB.getWritableDatabase(ctx)) {
- try (InputStream resp = http.getInputStream()) {
- if (http.getResponseCode() != 200) throw new IOException(
- String.format("HTTP error %d", http.getResponseCode()));
- db.beginTransaction();
- try {
- db.execSQL("UPDATE transactions set keep=0");
-
- int state = ParserState.EXPECTING_JOURNAL;
- String line;
- BufferedReader buf =
- new BufferedReader(new InputStreamReader(resp, "UTF-8"));
-
- int processedTransactionCount = 0;
- int transactionId = 0;
- int matchedTransactionsCount = 0;
- LedgerTransaction transaction = null;
- LINES:
- while ((line = buf.readLine()) != null) {
- if (isCancelled()) break;
- Matcher m;
- //L(String.format("State is %d", state));
- switch (state) {
- case ParserState.EXPECTING_JOURNAL:
- if (!line.isEmpty() && (line.charAt(0) == ' ')) continue;
- if (line.equals("<h2>General Journal</h2>")) {
- state = ParserState.EXPECTING_TRANSACTION;
- L("→ expecting transaction");
- }
- break;
- case ParserState.EXPECTING_TRANSACTION:
- if (!line.isEmpty() && (line.charAt(0) == ' ')) continue;
- m = transactionStartPattern.matcher(line);
- if (m.find()) {
- transactionId = Integer.valueOf(m.group(1));
- state = ParserState.EXPECTING_TRANSACTION_DESCRIPTION;
- L(String.format(
- "found transaction %d → expecting " + "description",
- transactionId));
- progress.setProgress(++processedTransactionCount);
- if (maxTransactionId < transactionId)
- maxTransactionId = transactionId;
- if ((progress.getTotal() == Progress.INDETERMINATE) ||
- (progress.getTotal() < transactionId))
- progress.setTotal(transactionId);
- publishProgress(progress);
- }
- m = endPattern.matcher(line);
- if (m.find()) {
- L("--- transaction list complete ---");
- success = true;
- break LINES;
- }
- break;
- case ParserState.EXPECTING_TRANSACTION_DESCRIPTION:
- if (!line.isEmpty() && (line.charAt(0) == ' ')) continue;
- m = transactionDescriptionPattern.matcher(line);
- if (m.find()) {
- if (transactionId == 0)
- throw new TransactionParserException(
- "Transaction Id is 0 while expecting " +
- "description");
-
- transaction =
- new LedgerTransaction(transactionId, m.group(1),
- m.group(2));
- state = ParserState.EXPECTING_TRANSACTION_DETAILS;
- L(String.format("transaction %d created for %s (%s) →" +
- " expecting details", transactionId,
- m.group(1), m.group(2)));
- }
- break;
- case ParserState.EXPECTING_TRANSACTION_DETAILS:
- if (line.isEmpty()) {
- // transaction data collected
- if (transaction.existsInDb(db)) {
- db.execSQL("UPDATE transactions SET keep = 1 WHERE id" +
- "=?", new Integer[]{transaction.getId()});
- matchedTransactionsCount++;
-
- if (matchedTransactionsCount == 100) {
- db.execSQL("UPDATE transactions SET keep=1 WHERE " +
- "id < ?",
- new Integer[]{transaction.getId()});
- progress.setTotal(progress.getProgress());
- publishProgress(progress);
- break LINES;
- }
- }
- else {
- db.execSQL("DELETE from transactions WHERE id=?",
- new Integer[]{transaction.getId()});
- db.execSQL("DELETE from transaction_accounts WHERE " +
- "transaction_id=?",
- new Integer[]{transaction.getId()});
- transaction.insertInto(db);
- matchedTransactionsCount = 0;
- progress.setTotal(maxTransactionId);
- }
-
- state = ParserState.EXPECTING_TRANSACTION;
- L(String.format(
- "transaction %s saved → expecting " + "transaction",
- transaction.getId()));
+ progress.setState(ProgressState.FINISHED);
+ onProgressUpdate(progress);
+ }
+ private void retrieveTransactionListLegacy(List<LedgerAccount> accounts,
+ List<LedgerTransaction> transactions)
+ throws IOException, HTTPException {
+ Progress progress = Progress.indeterminate();
+ progress.setState(ProgressState.RUNNING);
+ progress.setTotal(expectedPostingsCount);
+ int maxTransactionId = -1;
+ HashMap<String, LedgerAccount> map = new HashMap<>();
+ LedgerAccount lastAccount = null;
+ ArrayList<LedgerAccount> syntheticAccounts = new ArrayList<>();
+
+ HttpURLConnection http = NetworkUtil.prepareConnection(profile, "journal");
+ http.setAllowUserInteraction(false);
+ publishProgress(progress);
+ if (http.getResponseCode() != 200)
+ throw new HTTPException(http.getResponseCode(), http.getResponseMessage());
+
+ try (InputStream resp = http.getInputStream()) {
+ if (http.getResponseCode() != 200)
+ throw new IOException(String.format("HTTP error %d", http.getResponseCode()));
+
+ int matchedTransactionsCount = 0;
+
+ ParserState state = ParserState.EXPECTING_ACCOUNT;
+ String line;
+ BufferedReader buf =
+ new BufferedReader(new InputStreamReader(resp, StandardCharsets.UTF_8));
+
+ int processedTransactionCount = 0;
+ int transactionId = 0;
+ LedgerTransaction transaction = null;
+ LINES:
+ while ((line = buf.readLine()) != null) {
+ throwIfCancelled();
+ Matcher m;
+ m = reComment.matcher(line);
+ if (m.find()) {
+ // TODO: comments are ignored for now
+// Log.v("transaction-parser", "Ignoring comment");
+ continue;
+ }
+ //L(String.format("State is %d", updating));
+ switch (state) {
+ case EXPECTING_ACCOUNT:
+ if (line.equals("<h2>General Journal</h2>")) {
+ state = ParserState.EXPECTING_TRANSACTION;
+ L("→ expecting transaction");
+ continue;
+ }
+ m = reAccountName.matcher(line);
+ if (m.find()) {
+ String acct_encoded = m.group(1);
+ String accName = URLDecoder.decode(acct_encoded, "UTF-8");
+ accName = accName.replace("\"", "");
+ L(String.format("found account: %s", accName));
+
+ lastAccount = map.get(accName);
+ if (lastAccount != null) {
+ L(String.format("ignoring duplicate account '%s'", accName));
+ continue;
+ }
+ String parentAccountName = LedgerAccount.extractParentName(accName);
+ LedgerAccount parentAccount;
+ if (parentAccountName != null) {
+ parentAccount = ensureAccountExists(parentAccountName, map,
+ syntheticAccounts);
+ }
+ else {
+ parentAccount = null;
+ }
+ lastAccount = new LedgerAccount(profile, accName, parentAccount);
+
+ accounts.add(lastAccount);
+ map.put(accName, lastAccount);
+
+ state = ParserState.EXPECTING_ACCOUNT_AMOUNT;
+ L("→ expecting account amount");
+ }
+ break;
+
+ case EXPECTING_ACCOUNT_AMOUNT:
+ m = reAccountValue.matcher(line);
+ boolean match_found = false;
+ while (m.find()) {
+ throwIfCancelled();
+
+ match_found = true;
+ String value = Objects.requireNonNull(m.group(1));
+ String currency = m.group(2);
+ if (currency == null)
+ currency = "";
+
+ {
+ Matcher tmpM = reDecimalComma.matcher(value);
+ if (tmpM.find()) {
+ value = value.replace(".", "");
+ value = value.replace(',', '.');
+ }
+
+ tmpM = reDecimalPoint.matcher(value);
+ if (tmpM.find()) {
+ value = value.replace(",", "");
+ value = value.replace(" ", "");
+ }
+ }
+ L("curr=" + currency + ", value=" + value);
+ final float val = Float.parseFloat(value);
+ lastAccount.addAmount(val, currency);
+ for (LedgerAccount syn : syntheticAccounts) {
+ L(String.format(Locale.ENGLISH, "propagating %s %1.2f to %s",
+ currency, val, syn.getName()));
+ syn.addAmount(val, currency);
+ }
+ }
+
+ if (match_found) {
+ syntheticAccounts.clear();
+ state = ParserState.EXPECTING_ACCOUNT;
+ L("→ expecting account");
+ }
+
+ break;
+
+ case EXPECTING_TRANSACTION:
+ if (!line.isEmpty() && (line.charAt(0) == ' '))
+ continue;
+ m = reTransactionStart.matcher(line);
+ if (m.find()) {
+ transactionId = Integer.parseInt(Objects.requireNonNull(m.group(1)));
+ state = ParserState.EXPECTING_TRANSACTION_DESCRIPTION;
+ L(String.format(Locale.ENGLISH,
+ "found transaction %d → expecting description", transactionId));
+ progress.setProgress(++processedTransactionCount);
+ if (maxTransactionId < transactionId)
+ maxTransactionId = transactionId;
+ if ((progress.isIndeterminate()) ||
+ (progress.getTotal() < transactionId))
+ progress.setTotal(transactionId);
+ publishProgress(progress);
+ }
+ m = reEnd.matcher(line);
+ if (m.find()) {
+ L("--- transaction value complete ---");
+ break LINES;
+ }
+ break;
+
+ case EXPECTING_TRANSACTION_DESCRIPTION:
+ if (!line.isEmpty() && (line.charAt(0) == ' '))
+ continue;
+ m = reTransactionDescription.matcher(line);
+ if (m.find()) {
+ if (transactionId == 0)
+ throw new TransactionParserException(
+ "Transaction Id is 0 while expecting description");
+
+ String date = Objects.requireNonNull(m.group(1));
+ try {
+ int equalsIndex = date.indexOf('=');
+ if (equalsIndex >= 0)
+ date = date.substring(equalsIndex + 1);
+ transaction =
+ new LedgerTransaction(transactionId, date, m.group(2));
+ }
+ catch (ParseException e) {
+ throw new TransactionParserException(
+ String.format("Error parsing date '%s'", date));
+ }
+ state = ParserState.EXPECTING_TRANSACTION_DETAILS;
+ L(String.format(Locale.ENGLISH,
+ "transaction %d created for %s (%s) →" + " expecting details",
+ transactionId, date, m.group(2)));
+ }
+ break;
+
+ case EXPECTING_TRANSACTION_DETAILS:
+ if (line.isEmpty()) {
+ // transaction data collected
+
+ transaction.finishLoading();
+ transactions.add(transaction);
+
+ state = ParserState.EXPECTING_TRANSACTION;
+ L(String.format("transaction %s parsed → expecting transaction",
+ transaction.getId()));
// sounds like a good idea, but transaction-1 may not be the first one chronologically
// for example, when you add the initial seeding transaction after entering some others
// if (transactionId == 1) {
-// L("This was the initial transaction. Terminating " +
+// L("This was the initial transaction.
+// Terminating " +
// "parser");
// break LINES;
// }
- }
- else {
- m = transactionDetailsPattern.matcher(line);
- if (m.find()) {
- String acc_name = m.group(1);
- String amount = m.group(2);
- amount = amount.replace(',', '.');
- transaction.add_item(new LedgerTransactionItem(acc_name,
- Float.valueOf(amount)));
- L(String.format("%s = %s", acc_name, amount));
- }
- else throw new IllegalStateException(
- String.format("Can't parse transaction details"));
- }
- break;
- default:
- throw new RuntimeException(
- String.format("Unknown " + "parser state %d", state));
- }
}
- if (!isCancelled()) {
- db.execSQL("DELETE FROM transactions WHERE keep = 0");
- db.setTransactionSuccessful();
+ else {
+ LedgerTransactionAccount lta = parseTransactionAccountLine(line);
+ if (lta != null) {
+ transaction.addAccount(lta);
+ L(String.format(Locale.ENGLISH, "%d: %s = %s", transaction.getId(),
+ lta.getAccountName(), lta.getAmount()));
+ }
+ else
+ throw new IllegalStateException(
+ String.format("Can't parse transaction %d details: %s",
+ transactionId, line));
}
- }
- finally {
- db.endTransaction();
- }
+ break;
+ default:
+ throw new RuntimeException(
+ String.format("Unknown parser updating %s", state.name()));
}
}
- if (success && !isCancelled()) ctx.model.reloadTransactions(ctx);
+ throwIfCancelled();
}
- catch (MalformedURLException e) {
- error = R.string.err_bad_backend_url;
- e.printStackTrace();
+ }
+ @NonNull
+ public LedgerAccount ensureAccountExists(String accountName, HashMap<String, LedgerAccount> map,
+ ArrayList<LedgerAccount> createdAccounts) {
+ LedgerAccount acc = map.get(accountName);
+
+ if (acc != null)
+ return acc;
+
+ String parentName = LedgerAccount.extractParentName(accountName);
+ LedgerAccount parentAccount;
+ if (parentName != null) {
+ parentAccount = ensureAccountExists(parentName, map, createdAccounts);
}
- catch (FileNotFoundException e) {
- error = R.string.err_bad_auth;
- e.printStackTrace();
+ else {
+ parentAccount = null;
}
- catch (IOException e) {
- error = R.string.err_net_io_error;
- e.printStackTrace();
+
+ acc = new LedgerAccount(profile, accountName, parentAccount);
+ createdAccounts.add(acc);
+ return acc;
+ }
+ public void addNumberOfPostings(int number) {
+ expectedPostingsCount += number;
+ }
+ private List<LedgerAccount> retrieveAccountList()
+ throws IOException, HTTPException, ApiNotSupportedException {
+ final API apiVersion = profile.getApiVersion();
+ if (apiVersion.equals(API.auto)) {
+ return retrieveAccountListAnyVersion();
+ }
+ else if (apiVersion.equals(API.html)) {
+ Logger.debug("json",
+ "Declining using JSON API for /accounts with configured legacy API version");
+ return null;
+ }
+ else {
+ return retrieveAccountListForVersion(apiVersion);
}
- return null;
}
- TransactionListActivity getContext() {
- return contextRef.get();
+ private List<LedgerAccount> retrieveAccountListAnyVersion()
+ throws HTTPException, ApiNotSupportedException {
+ for (API ver : API.allVersions) {
+ try {
+ return retrieveAccountListForVersion(ver);
+ }
+ catch (Exception e) {
+ Logger.debug("json",
+ String.format(Locale.US, "Error during account list retrieval using API %s",
+ ver.getDescription()));
+ }
+
+ throw new ApiNotSupportedException();
+ }
+
+ throw new RuntimeException("This should never be reached");
+ }
+ private List<LedgerAccount> retrieveAccountListForVersion(API version)
+ throws IOException, HTTPException {
+ HttpURLConnection http = NetworkUtil.prepareConnection(profile, "accounts");
+ http.setAllowUserInteraction(false);
+ switch (http.getResponseCode()) {
+ case 200:
+ break;
+ case 404:
+ return null;
+ default:
+ throw new HTTPException(http.getResponseCode(), http.getResponseMessage());
+ }
+ publishProgress(Progress.indeterminate());
+ SQLiteDatabase db = App.getDatabase();
+ ArrayList<LedgerAccount> list = new ArrayList<>();
+ HashMap<String, LedgerAccount> map = new HashMap<>();
+ HashMap<String, LedgerAccount> currentMap = new HashMap<>();
+ for (LedgerAccount acc : prevAccounts)
+ currentMap.put(acc.getName(), acc);
+ throwIfCancelled();
+ try (InputStream resp = http.getInputStream()) {
+ throwIfCancelled();
+ if (http.getResponseCode() != 200)
+ throw new IOException(String.format("HTTP error %d", http.getResponseCode()));
+
+ AccountListParser parser = AccountListParser.forApiVersion(version, resp);
+ expectedPostingsCount = 0;
+
+ while (true) {
+ throwIfCancelled();
+ LedgerAccount acc = parser.nextAccount(this, map);
+ if (acc == null)
+ break;
+ list.add(acc);
+ }
+ throwIfCancelled();
+ }
+
+ // the current account tree may have changed, update the new-to be tree to match
+ for (LedgerAccount acc : list) {
+ LedgerAccount prevData = currentMap.get(acc.getName());
+ if (prevData != null) {
+ acc.setExpanded(prevData.isExpanded());
+ acc.setAmountsExpanded(prevData.amountsExpanded());
+ }
+ }
+
+ return list;
+ }
+ private List<LedgerTransaction> retrieveTransactionList()
+ throws ParseException, HTTPException, IOException, ApiNotSupportedException {
+ final API apiVersion = profile.getApiVersion();
+ if (apiVersion.equals(API.auto)) {
+ return retrieveTransactionListAnyVersion();
+ }
+ else if (apiVersion.equals(API.html)) {
+ Logger.debug("json",
+ "Declining using JSON API for /accounts with configured legacy API version");
+ return null;
+ }
+ else {
+ return retrieveTransactionListForVersion(apiVersion);
+ }
+
+ }
+ private List<LedgerTransaction> retrieveTransactionListAnyVersion()
+ throws ApiNotSupportedException {
+ for (API ver : API.allVersions) {
+ try {
+ return retrieveTransactionListForVersion(ver);
+ }
+ catch (Exception | HTTPException e) {
+ Logger.debug("json",
+ String.format(Locale.US, "Error during account list retrieval using API %s",
+ ver.getDescription()));
+ }
+
+ throw new ApiNotSupportedException();
+ }
+
+ throw new RuntimeException("This should never be reached");
+ }
+ private List<LedgerTransaction> retrieveTransactionListForVersion(API apiVersion)
+ throws IOException, ParseException, HTTPException {
+ Progress progress = new Progress();
+ progress.setTotal(expectedPostingsCount);
+
+ HttpURLConnection http = NetworkUtil.prepareConnection(profile, "transactions");
+ http.setAllowUserInteraction(false);
+ publishProgress(progress);
+ switch (http.getResponseCode()) {
+ case 200:
+ break;
+ case 404:
+ return null;
+ default:
+ throw new HTTPException(http.getResponseCode(), http.getResponseMessage());
+ }
+ ArrayList<LedgerTransaction> trList = new ArrayList<>();
+ try (InputStream resp = http.getInputStream()) {
+ throwIfCancelled();
+
+ TransactionListParser parser = TransactionListParser.forApiVersion(apiVersion, resp);
+
+ int processedPostings = 0;
+
+ while (true) {
+ throwIfCancelled();
+ LedgerTransaction transaction = parser.nextTransaction();
+ throwIfCancelled();
+ if (transaction == null)
+ break;
+
+ trList.add(transaction);
+
+ progress.setProgress(processedPostings += transaction.getAccounts()
+ .size());
+// Logger.debug("trParser",
+// String.format(Locale.US, "Parsed transaction %d - %s", transaction
+// .getId(),
+// transaction.getDescription()));
+// for (LedgerTransactionAccount acc : transaction.getAccounts()) {
+// Logger.debug("trParser",
+// String.format(Locale.US, " %s", acc.getAccountName()));
+// }
+ publishProgress(progress);
+ }
+
+ throwIfCancelled();
+ }
+
+ // json interface returns transactions if file order and the rest of the machinery
+ // expects them in reverse chronological order
+ Collections.sort(trList, (o1, o2) -> {
+ int res = o2.getDate()
+ .compareTo(o1.getDate());
+ if (res != 0)
+ return res;
+ return Integer.compare(o2.getId(), o1.getId());
+ });
+ return trList;
}
- public static class Params {
- static final int DEFAULT_LIMIT = 100;
- private SharedPreferences backendPref;
- private String accountsRoot;
- private int limit;
+ @SuppressLint("DefaultLocale")
+ @Override
+ protected Result doInBackground(Void... params) {
+ Data.backgroundTaskStarted();
+ List<LedgerAccount> accounts;
+ List<LedgerTransaction> transactions;
+ try {
+ accounts = retrieveAccountList();
+ // accounts is null in API-version auto-detection and means
+ // requesting 'html' API version via the JSON classes
+ // this can't work, and the null results in the legacy code below
+ // being called
+ if (accounts == null)
+ transactions = null;
+ else
+ transactions = retrieveTransactionList();
+
+ if (accounts == null || transactions == null) {
+ accounts = new ArrayList<>();
+ transactions = new ArrayList<>();
+ retrieveTransactionListLegacy(accounts, transactions);
+ }
+ mainModel.setAndStoreAccountAndTransactionListFromWeb(accounts, transactions);
- public Params(SharedPreferences backendPref) {
- this.backendPref = backendPref;
- this.accountsRoot = null;
- this.limit = DEFAULT_LIMIT;
+ return new Result(accounts, transactions);
}
- Params(SharedPreferences backendPref, String accountsRoot) {
- this(backendPref, accountsRoot, DEFAULT_LIMIT);
+ catch (MalformedURLException e) {
+ e.printStackTrace();
+ return new Result("Invalid server URL");
+ }
+ catch (HTTPException e) {
+ e.printStackTrace();
+ return new Result(String.format("HTTP error %d: %s", e.getResponseCode(),
+ e.getResponseMessage()));
+ }
+ catch (IOException e) {
+ e.printStackTrace();
+ return new Result(e.getLocalizedMessage());
+ }
+ catch (RuntimeJsonMappingException e) {
+ e.printStackTrace();
+ return new Result(Result.ERR_JSON_PARSER_ERROR);
}
- Params(SharedPreferences backendPref, String accountsRoot, int limit) {
- this.backendPref = backendPref;
- this.accountsRoot = accountsRoot;
- this.limit = limit;
+ catch (ParseException e) {
+ e.printStackTrace();
+ return new Result("Network error");
}
- String getAccountsRoot() {
- return accountsRoot;
+ catch (OperationCanceledException e) {
+ e.printStackTrace();
+ return new Result("Operation cancelled");
}
- SharedPreferences getBackendPref() {
- return backendPref;
+ catch (ApiNotSupportedException e) {
+ e.printStackTrace();
+ return new Result("Server version not supported");
}
- int getLimit() {
- return limit;
+ finally {
+ Data.backgroundTaskFinished();
}
}
+ public void throwIfCancelled() {
+ if (isCancelled())
+ throw new OperationCanceledException(null);
+ }
+ private enum ParserState {
+ EXPECTING_ACCOUNT, EXPECTING_ACCOUNT_AMOUNT, EXPECTING_TRANSACTION,
+ EXPECTING_TRANSACTION_DESCRIPTION, EXPECTING_TRANSACTION_DETAILS
+ }
- public class Progress {
- public static final int INDETERMINATE = -1;
+ public enum ProgressState {STARTING, RUNNING, FINISHED}
+
+ public static class Progress {
private int progress;
private int total;
+ private ProgressState state = ProgressState.RUNNING;
+ private String error = null;
+ private boolean indeterminate;
Progress() {
- this(INDETERMINATE, INDETERMINATE);
+ indeterminate = true;
}
Progress(int progress, int total) {
+ this.indeterminate = false;
this.progress = progress;
this.total = total;
}
+ public static Progress indeterminate() {
+ return new Progress();
+ }
+ public static Progress finished(String error) {
+ Progress p = new Progress();
+ p.setState(ProgressState.FINISHED);
+ p.setError(error);
+ return p;
+ }
public int getProgress() {
+ ensureState(ProgressState.RUNNING);
return progress;
}
protected void setProgress(int progress) {
this.progress = progress;
+ this.state = ProgressState.RUNNING;
}
public int getTotal() {
+ ensureState(ProgressState.RUNNING);
return total;
}
protected void setTotal(int total) {
this.total = total;
+ state = ProgressState.RUNNING;
+ indeterminate = total == -1;
+ }
+ private void ensureState(ProgressState wanted) {
+ if (state != wanted)
+ throw new IllegalStateException(
+ String.format("Bad state: %s, expected %s", state, wanted));
+ }
+ public ProgressState getState() {
+ return state;
+ }
+ public void setState(ProgressState state) {
+ this.state = state;
+ }
+ public String getError() {
+ ensureState(ProgressState.FINISHED);
+ return error;
+ }
+ public void setError(String error) {
+ this.error = error;
+ state = ProgressState.FINISHED;
+ }
+ public boolean isIndeterminate() {
+ return indeterminate;
+ }
+ public void setIndeterminate(boolean indeterminate) {
+ this.indeterminate = indeterminate;
}
}
- private class TransactionParserException extends IllegalStateException {
+ private static class TransactionParserException extends IllegalStateException {
TransactionParserException(String message) {
super(message);
}
}
- private class ParserState {
- static final int EXPECTING_JOURNAL = 0;
- static final int EXPECTING_TRANSACTION = 1;
- static final int EXPECTING_TRANSACTION_DESCRIPTION = 2;
- static final int EXPECTING_TRANSACTION_DETAILS = 3;
+ public static class Result {
+ public static String ERR_JSON_PARSER_ERROR = "err_json_parser";
+ public String error;
+ public List<LedgerAccount> accounts;
+ public List<LedgerTransaction> transactions;
+ Result(String error) {
+ this.error = error;
+ }
+ Result(List<LedgerAccount> accounts, List<LedgerTransaction> transactions) {
+ this.accounts = accounts;
+ this.transactions = transactions;
+ }
}
}