/*
- * Copyright © 2020 Damyan Ivanov.
+ * Copyright © 2021 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
package net.ktnx.mobileledger.async;
import android.annotation.SuppressLint;
-import android.database.sqlite.SQLiteDatabase;
import android.os.AsyncTask;
import android.os.OperationCanceledException;
import androidx.annotation.NonNull;
-import net.ktnx.mobileledger.App;
+import com.fasterxml.jackson.core.JsonParseException;
+import com.fasterxml.jackson.databind.RuntimeJsonMappingException;
+
+import net.ktnx.mobileledger.dao.AccountDAO;
+import net.ktnx.mobileledger.dao.TransactionDAO;
+import net.ktnx.mobileledger.db.Account;
+import net.ktnx.mobileledger.db.AccountWithAmounts;
+import net.ktnx.mobileledger.db.DB;
+import net.ktnx.mobileledger.db.Option;
+import net.ktnx.mobileledger.db.Profile;
+import net.ktnx.mobileledger.db.TransactionWithAccounts;
import net.ktnx.mobileledger.err.HTTPException;
-import net.ktnx.mobileledger.json.v1_15.AccountListParser;
-import net.ktnx.mobileledger.json.v1_15.ParsedBalance;
-import net.ktnx.mobileledger.json.v1_15.ParsedLedgerAccount;
-import net.ktnx.mobileledger.json.v1_15.ParsedLedgerTransaction;
-import net.ktnx.mobileledger.json.v1_15.TransactionListParser;
+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.LedgerTransactionAccount;
-import net.ktnx.mobileledger.model.MobileLedgerProfile;
-import net.ktnx.mobileledger.ui.activity.MainActivity;
+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.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.Date;
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<Void, RetrieveTransactionsTask.Progress, String> {
+public class RetrieveTransactionsTask extends
+ 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(
private static final Pattern reEnd = Pattern.compile("\\bid=\"addmodal\"");
private static final Pattern reDecimalPoint = Pattern.compile("\\.\\d\\d?$");
private static final Pattern reDecimalComma = Pattern.compile(",\\d\\d?$");
- private WeakReference<MainActivity> contextRef;
+ private static final String TAG = "RTT";
// %3A is '='
- private Pattern reAccountName = Pattern.compile("/register\\?q=inacct%3A([a-zA-Z0-9%]+)\"");
- private Pattern reAccountValue = Pattern.compile(
+ 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 MobileLedgerProfile profile;
- public RetrieveTransactionsTask(WeakReference<MainActivity> contextRef,
- @NonNull MobileLedgerProfile profile) {
- this.contextRef = contextRef;
+ private final MainModel mainModel;
+ private final Profile profile;
+ private int expectedPostingsCount = -1;
+ public RetrieveTransactionsTask(@NonNull MainModel mainModel, @NonNull Profile profile) {
+ this.mainModel = mainModel;
this.profile = profile;
}
private static void L(String msg) {
Data.backgroundTaskProgress.postValue(values[0]);
}
@Override
- protected void onPreExecute() {
- super.onPreExecute();
- MainActivity context = getContext();
- if (context == null)
- return;
- context.onRetrieveStart();
- }
- @Override
- protected void onPostExecute(String error) {
- super.onPostExecute(error);
+ protected void onPostExecute(Result result) {
+ super.onPostExecute(result);
Progress progress = new Progress();
progress.setState(ProgressState.FINISHED);
- progress.setError(error);
+ progress.setError(result.error);
onProgressUpdate(progress);
}
@Override
progress.setState(ProgressState.FINISHED);
onProgressUpdate(progress);
}
- private String retrieveTransactionListLegacy() throws IOException, HTTPException {
+ 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;
- ArrayList<LedgerAccount> list = new ArrayList<>();
HashMap<String, LedgerAccount> map = new HashMap<>();
- ArrayList<LedgerAccount> displayed = new ArrayList<>();
- ArrayList<LedgerTransaction> transactions = new ArrayList<>();
LedgerAccount lastAccount = null;
ArrayList<LedgerAccount> syntheticAccounts = new ArrayList<>();
else {
parentAccount = null;
}
- lastAccount = new LedgerAccount(profile, accName, parentAccount);
+ lastAccount = new LedgerAccount(accName, parentAccount);
- list.add(lastAccount);
+ accounts.add(lastAccount);
map.put(accName, lastAccount);
state = ParserState.EXPECTING_ACCOUNT_AMOUNT;
progress.setProgress(++processedTransactionCount);
if (maxTransactionId < transactionId)
maxTransactionId = transactionId;
- if ((progress.isIndeterminate()) || (progress.getTotal() < transactionId))
+ if ((progress.isIndeterminate()) ||
+ (progress.getTotal() < transactionId))
progress.setTotal(transactionId);
publishProgress(progress);
}
if (m.find()) {
if (transactionId == 0)
throw new TransactionParserException(
- "Transaction Id is 0 while expecting " + "description");
+ "Transaction Id is 0 while expecting description");
String date = Objects.requireNonNull(m.group(1));
try {
new LedgerTransaction(transactionId, date, m.group(2));
}
catch (ParseException e) {
- e.printStackTrace();
- return String.format("Error parsing date '%s'", date);
+ throw new TransactionParserException(
+ String.format("Error parsing date '%s'", date));
}
state = ParserState.EXPECTING_TRANSACTION_DETAILS;
L(String.format(Locale.ENGLISH,
state = ParserState.EXPECTING_TRANSACTION;
L(String.format("transaction %s parsed → expecting transaction",
- transaction.getId()));
+ transaction.getLedgerId()));
// 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
LedgerTransactionAccount lta = parseTransactionAccountLine(line);
if (lta != null) {
transaction.addAccount(lta);
- L(String.format(Locale.ENGLISH, "%d: %s = %s", transaction.getId(),
- lta.getAccountName(), lta.getAmount()));
+ L(String.format(Locale.ENGLISH, "%d: %s = %s",
+ transaction.getLedgerId(), lta.getAccountName(),
+ lta.getAmount()));
}
else
throw new IllegalStateException(
}
throwIfCancelled();
-
- profile.setAndStoreAccountAndTransactionListFromWeb(list, transactions);
-
- return null;
}
}
- private @NonNull
- LedgerAccount ensureAccountExists(String accountName, HashMap<String, LedgerAccount> map,
- ArrayList<LedgerAccount> createdAccounts) {
+ @NonNull
+ public LedgerAccount ensureAccountExists(String accountName, HashMap<String, LedgerAccount> map,
+ ArrayList<LedgerAccount> createdAccounts) {
LedgerAccount acc = map.get(accountName);
if (acc != null)
parentAccount = null;
}
- acc = new LedgerAccount(profile, accountName, parentAccount);
+ acc = new LedgerAccount(accountName, parentAccount);
createdAccounts.add(acc);
return acc;
}
- private boolean retrieveAccountList() throws IOException, HTTPException {
+ public void addNumberOfPostings(int number) {
+ expectedPostingsCount += number;
+ }
+ private List<LedgerAccount> retrieveAccountList()
+ throws IOException, HTTPException, ApiNotSupportedException {
+ final API apiVersion = API.valueOf(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);
+ }
+ }
+ private List<LedgerAccount> retrieveAccountListAnyVersion()
+ throws ApiNotSupportedException, IOException, HTTPException {
+ for (API ver : API.allVersions) {
+ try {
+ return retrieveAccountListForVersion(ver);
+ }
+ catch (JsonParseException | RuntimeJsonMappingException e) {
+ Logger.debug("json",
+ String.format(Locale.US, "Error during account list retrieval using API %s",
+ ver.getDescription()), e);
+ }
+
+ }
+
+ throw new ApiNotSupportedException();
+ }
+ 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 false;
+ 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 : Objects.requireNonNull(profile.getAllAccounts()))
- 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 = new AccountListParser(resp);
+ AccountListParser parser = AccountListParser.forApiVersion(version, resp);
+ expectedPostingsCount = 0;
while (true) {
throwIfCancelled();
- ParsedLedgerAccount parsedAccount = parser.nextAccount();
- if (parsedAccount == null) {
+ LedgerAccount acc = parser.nextAccount(this, map);
+ if (acc == null)
break;
- }
-
- final String accName = parsedAccount.getAname();
- LedgerAccount acc = map.get(accName);
- if (acc != null)
- throw new RuntimeException(
- String.format("Account '%s' already present", acc.getName()));
- String parentName = LedgerAccount.extractParentName(accName);
- ArrayList<LedgerAccount> createdParents = new ArrayList<>();
- LedgerAccount parent;
- if (parentName == null) {
- parent = null;
- }
- else {
- parent = ensureAccountExists(parentName, map, createdParents);
- parent.setHasSubAccounts(true);
- }
- acc = new LedgerAccount(profile, accName, parent);
list.add(acc);
- map.put(accName, acc);
-
- String lastCurrency = null;
- float lastCurrencyAmount = 0;
- for (ParsedBalance b : parsedAccount.getAibalance()) {
- throwIfCancelled();
- final String currency = b.getAcommodity();
- final float amount = b.getAquantity()
- .asFloat();
- if (currency.equals(lastCurrency)) {
- lastCurrencyAmount += amount;
- }
- else {
- if (lastCurrency != null) {
- acc.addAmount(lastCurrencyAmount, lastCurrency);
- }
- lastCurrency = currency;
- lastCurrencyAmount = amount;
- }
- }
- if (lastCurrency != null) {
- acc.addAmount(lastCurrencyAmount, lastCurrency);
- }
- for (LedgerAccount p : createdParents)
- acc.propagateAmountsTo(p);
}
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 = API.valueOf(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 e) {
+ Logger.debug("json",
+ String.format(Locale.US, "Error during account list retrieval using API %s",
+ ver.getDescription()));
+ }
+
}
- profile.setAndStoreAccountListFromWeb(list);
- return true;
+ throw new ApiNotSupportedException();
}
- private boolean retrieveTransactionList() throws IOException, ParseException, HTTPException {
+ private List<LedgerTransaction> retrieveTransactionListForVersion(API apiVersion)
+ throws IOException, ParseException, HTTPException {
Progress progress = new Progress();
- int maxTransactionId = Data.transactions.size();
+ progress.setTotal(expectedPostingsCount);
HttpURLConnection http = NetworkUtil.prepareConnection(profile, "transactions");
http.setAllowUserInteraction(false);
case 200:
break;
case 404:
- return false;
+ return null;
default:
throw new HTTPException(http.getResponseCode(), http.getResponseMessage());
}
+ ArrayList<LedgerTransaction> trList = new ArrayList<>();
try (InputStream resp = http.getInputStream()) {
throwIfCancelled();
- ArrayList<LedgerTransaction> trList = new ArrayList<>();
- TransactionListParser parser = new TransactionListParser(resp);
+ TransactionListParser parser = TransactionListParser.forApiVersion(apiVersion, resp);
- int processedTransactionCount = 0;
+ int processedPostings = 0;
while (true) {
throwIfCancelled();
- ParsedLedgerTransaction parsedTransaction = parser.nextTransaction();
+ LedgerTransaction transaction = parser.nextTransaction();
throwIfCancelled();
- if (parsedTransaction == null)
+ if (transaction == null)
break;
- LedgerTransaction transaction = parsedTransaction.asLedgerTransaction();
trList.add(transaction);
- progress.setProgress(++processedTransactionCount);
+ 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();
- profile.setAndStoreTransactionList(trList);
}
- return true;
+ // 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 Long.compare(o2.getLedgerId(), o1.getLedgerId());
+ });
+ return trList;
}
@SuppressLint("DefaultLocale")
@Override
- protected String doInBackground(Void... params) {
+ protected Result doInBackground(Void... params) {
Data.backgroundTaskStarted();
+ List<LedgerAccount> accounts;
+ List<LedgerTransaction> transactions;
try {
- if (!retrieveAccountList() || !retrieveTransactionList())
- return retrieveTransactionListLegacy();
- return null;
+ 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);
+ }
+
+ new AccountAndTransactionListSaver(accounts, transactions).start();
+
+ Data.lastUpdateDate.postValue(new Date());
+
+ return new Result(null);
}
catch (MalformedURLException e) {
e.printStackTrace();
- return "Invalid server URL";
+ return new Result("Invalid server URL");
}
catch (HTTPException e) {
e.printStackTrace();
- return String.format("HTTP error %d: %s", e.getResponseCode(), e.getResponseMessage());
+ return new Result(
+ String.format("HTTP error %d: %s", e.getResponseCode(), e.getMessage()));
}
catch (IOException e) {
e.printStackTrace();
- return e.getLocalizedMessage();
+ return new Result(e.getLocalizedMessage());
+ }
+ catch (RuntimeJsonMappingException e) {
+ e.printStackTrace();
+ return new Result(Result.ERR_JSON_PARSER_ERROR);
}
catch (ParseException e) {
e.printStackTrace();
- return "Network error";
+ return new Result("Network error");
}
catch (OperationCanceledException e) {
e.printStackTrace();
- return "Operation cancelled";
+ return new Result("Operation cancelled");
+ }
+ catch (ApiNotSupportedException e) {
+ e.printStackTrace();
+ return new Result("Server version not supported");
}
finally {
Data.backgroundTaskFinished();
}
}
- private MainActivity getContext() {
- return contextRef.get();
- }
- private void throwIfCancelled() {
+ public void throwIfCancelled() {
if (isCancelled())
throw new OperationCanceledException(null);
}
protected void setTotal(int total) {
this.total = total;
state = ProgressState.RUNNING;
+ indeterminate = total == -1;
}
private void ensureState(ProgressState wanted) {
if (state != wanted)
super(message);
}
}
+
+ 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;
+ }
+ }
+
+ private class AccountAndTransactionListSaver extends Thread {
+ private final List<LedgerAccount> accounts;
+ private final List<LedgerTransaction> transactions;
+ public AccountAndTransactionListSaver(List<LedgerAccount> accounts,
+ List<LedgerTransaction> transactions) {
+ this.accounts = accounts;
+ this.transactions = transactions;
+ }
+ @Override
+ public void run() {
+ AccountDAO accDao = DB.get()
+ .getAccountDAO();
+ TransactionDAO trDao = DB.get()
+ .getTransactionDAO();
+
+ Logger.debug(TAG, "Preparing account list");
+ final List<AccountWithAmounts> list = new ArrayList<>();
+ for (LedgerAccount acc : accounts) {
+ final AccountWithAmounts a = acc.toDBOWithAmounts();
+ Account existing = accDao.getByNameSync(profile.getId(), acc.getName());
+ if (existing != null) {
+ a.account.setExpanded(existing.isExpanded());
+ a.account.setAmountsExpanded(existing.isAmountsExpanded());
+ a.account.setId(existing.getId()); // not strictly needed, but since we have it
+ // anyway...
+ }
+
+ list.add(a);
+ }
+ Logger.debug(TAG, "Account list prepared. Storing");
+ accDao.storeAccountsSync(list, profile.getId());
+ Logger.debug(TAG, "Account list stored");
+
+ Logger.debug(TAG, "Preparing transaction list");
+ final List<TransactionWithAccounts> tranList = new ArrayList<>();
+
+ for (LedgerTransaction tr : transactions)
+ tranList.add(tr.toDBO());
+
+ Logger.debug(TAG, "Storing transaction list");
+ trDao.storeTransactionsSync(tranList, profile.getId());
+
+ Logger.debug(TAG, "Transactions stored");
+
+ DB.get()
+ .getOptionDAO()
+ .insertSync(new Option(profile.getId(), Option.OPT_LAST_SCRAPE,
+ String.valueOf((new Date()).getTime())));
+ }
+ }
}