/*
- * Copyright © 2018 Damyan Ivanov.
+ * 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
package net.ktnx.mobileledger.async;
-import android.content.Context;
-import android.content.SharedPreferences;
+import android.annotation.SuppressLint;
import android.database.sqlite.SQLiteDatabase;
import android.os.AsyncTask;
+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.model.LedgerTransaction;
-import net.ktnx.mobileledger.model.LedgerTransactionItem;
-import net.ktnx.mobileledger.utils.MobileLedgerDatabase;
+import net.ktnx.mobileledger.model.LedgerTransactionAccount;
+import net.ktnx.mobileledger.model.MobileLedgerProfile;
+import net.ktnx.mobileledger.ui.activity.MainActivity;
+import net.ktnx.mobileledger.ui.transaction_list.TransactionListViewModel;
+import net.ktnx.mobileledger.utils.MLDB;
import net.ktnx.mobileledger.utils.NetworkUtil;
import java.io.BufferedReader;
import java.lang.ref.WeakReference;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
+import java.net.URLDecoder;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.Stack;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
-class RetrieveTransactionsTask extends AsyncTask<RetrieveTransactionsTask.Params, Integer, Void> {
- class Params {
- static final int DEFAULT_LIMIT = 100;
- private SharedPreferences backendPref;
- private String accountsRoot;
- private int limit;
-
- Params(SharedPreferences backendPref) {
- this.backendPref = backendPref;
- this.accountsRoot = null;
- this.limit = DEFAULT_LIMIT;
- }
- Params(SharedPreferences backendPref, String accountsRoot) {
- this(backendPref, accountsRoot, DEFAULT_LIMIT);
- }
- Params(SharedPreferences backendPref, String accountsRoot, int limit) {
- this.backendPref = backendPref;
- this.accountsRoot = accountsRoot;
- this.limit = limit;
- }
- String getAccountsRoot() {
- return accountsRoot;
- }
- SharedPreferences getBackendPref() {
- return backendPref;
- }
- int getLimit() {
- return limit;
- }
- }
- private static final Pattern transactionStartPattern = Pattern.compile("<tr class=\"title\" "
- + "id=\"transaction-(\\d+)\"><td class=\"date\"[^\\\"]*>([\\d.-]+)</td>");
- private static final Pattern transactionDescriptionPattern =
+public class RetrieveTransactionsTask
+ extends AsyncTask<Void, RetrieveTransactionsTask.Progress, Void> {
+ private static final int MATCHING_TRANSACTIONS_LIMIT = 50;
+ 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,.]*)");
- protected WeakReference<Context> contextRef;
- protected int error;
+ private static final Pattern reTransactionDetails =
+ Pattern.compile("^\\s+(\\S[\\S\\s]+\\S)\\s\\s+([-+]?\\d[\\d,.]*)(?:\\s+(\\S+)$)?");
+ private static final Pattern reEnd = Pattern.compile("\\bid=\"addmodal\"");
+ private WeakReference<MainActivity> contextRef;
+ private int error;
+ // %3A is '='
+ private boolean success;
+ private Pattern reAccountName = Pattern.compile("/register\\?q=inacct%3A([a-zA-Z0-9%]+)\"");
+ private Pattern reAccountValue = Pattern.compile(
+ "<span class=\"[^\"]*\\bamount\\b[^\"]*\">\\s*([-+]?[\\d.,]+)(?:\\s+(\\S+))?</span>");
+ public RetrieveTransactionsTask(WeakReference<MainActivity> contextRef) {
+ this.contextRef = contextRef;
+ }
+ private static void L(String msg) {
+ Log.d("transaction-parser", msg);
+ }
+ @Override
+ protected void onProgressUpdate(Progress... values) {
+ super.onProgressUpdate(values);
+ MainActivity context = getContext();
+ if (context == null) return;
+ context.onRetrieveProgress(values[0]);
+ }
+ @Override
+ protected void onPreExecute() {
+ super.onPreExecute();
+ MainActivity context = getContext();
+ if (context == null) return;
+ context.onRetrieveStart();
+ }
+ @Override
+ protected void onPostExecute(Void aVoid) {
+ super.onPostExecute(aVoid);
+ MainActivity context = getContext();
+ if (context == null) return;
+ context.onRetrieveDone(success);
+ }
+ @Override
+ protected void onCancelled() {
+ super.onCancelled();
+ MainActivity context = getContext();
+ if (context == null) return;
+ context.onRetrieveDone(false);
+ }
+ @SuppressLint("DefaultLocale")
@Override
- protected Void doInBackground(Params... params) {
+ protected Void doInBackground(Void... params) {
+ MobileLedgerProfile profile = Data.profile.get();
+ Progress progress = new Progress();
+ int maxTransactionId = Progress.INDETERMINATE;
+ success = false;
+ ArrayList<LedgerAccount> accountList = new ArrayList<>();
+ HashMap<String, Void> accountNames = new HashMap<>();
+ LedgerAccount lastAccount = null;
+ boolean onlyStarred = Data.optShowOnlyStarred.get();
+ Data.backgroundTaskCount.incrementAndGet();
try {
- HttpURLConnection http =
- NetworkUtil.prepare_connection(params[0].getBackendPref(), "journal");
+ HttpURLConnection http = NetworkUtil.prepareConnection("journal");
http.setAllowUserInteraction(false);
- publishProgress(0);
- Context ctx = contextRef.get();
+ publishProgress(progress);
+ MainActivity ctx = getContext();
if (ctx == null) return null;
- try (MobileLedgerDatabase dbh = new MobileLedgerDatabase(ctx)) {
- try (SQLiteDatabase db = dbh.getWritableDatabase()) {
- try (InputStream resp = http.getInputStream()) {
- if (http.getResponseCode() != 200) throw new IOException(
- String.format("HTTP error %d", http.getResponseCode()));
- db.beginTransaction();
- try {
- String root = params[0].getAccountsRoot();
- if (root == null) db.execSQL("DELETE FROM transaction_history;");
- else {
- StringBuilder sql = new StringBuilder();
- sql.append("DELETE FROM transaction_history ");
- sql.append(
- "where id in (select transactions.id from transactions ");
- sql.append("join transaction_accounts ");
- sql.append(
- "on transactions.id=transaction_accounts.transaction_id ");
- sql.append("where transaction_accounts.account_name like ?||'%'");
- db.execSQL(sql.toString(), new String[]{root});
- }
+ try (SQLiteDatabase db = MLDB.getWritableDatabase()) {
+ 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");
+ db.execSQL("update account_values set keep=0;");
+ db.execSQL("update accounts set keep=0;");
+
+ ParserState state = ParserState.EXPECTING_ACCOUNT;
+ String line;
+ BufferedReader buf =
+ new BufferedReader(new InputStreamReader(resp, "UTF-8"));
- int state = ParserState.EXPECTING_JOURNAL;
- String line;
- BufferedReader buf =
- new BufferedReader(new InputStreamReader(resp, "UTF-8"));
-
- int transactionCount = 0;
- String transactionId = null;
- LedgerTransaction transaction = null;
- while ((line = buf.readLine()) != null) {
- switch (state) {
- case ParserState.EXPECTING_JOURNAL: {
- if (line.equals("<h2>General Journal</h2>"))
- state = ParserState.EXPECTING_TRANSACTION;
+ int processedTransactionCount = 0;
+ int transactionId = 0;
+ int matchedTransactionsCount = 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");
+ Data.accounts.set(accountList);
continue;
}
- case ParserState.EXPECTING_TRANSACTION: {
- Matcher m = transactionStartPattern.matcher(line);
- if (m.find()) {
- transactionId = m.group(1);
- state = ParserState.EXPECTING_TRANSACTION_DESCRIPTION;
+ m = reAccountName.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("\"", "");
+ L(String.format("found account: %s", acct_name));
+
+ lastAccount = profile.loadAccount(acct_name);
+ if (lastAccount == null) {
+ lastAccount = new LedgerAccount(acct_name);
+ profile.storeAccount(lastAccount);
}
- }
- case ParserState.EXPECTING_TRANSACTION_DESCRIPTION: {
- Matcher m = transactionDescriptionPattern.matcher(line);
- if (m.find()) {
- if (transactionId == null)
- throw new TransactionParserException(
- "Transaction Id is null while expecting description");
-
- transaction =
- new LedgerTransaction(transactionId, m.group(1),
- m.group(2));
- state = ParserState.EXPECTING_TRANSACTION_DETAILS;
+
+ // make sure the parent account(s) are present,
+ // synthesising them if necessary
+ String parentName = lastAccount.getParentName();
+ if (parentName != null) {
+ Stack<String> toAppend = new Stack<>();
+ while (parentName != null) {
+ if (accountNames.containsKey(parentName)) break;
+ toAppend.push(parentName);
+ parentName = new LedgerAccount(parentName)
+ .getParentName();
+ }
+ while (!toAppend.isEmpty()) {
+ String aName = toAppend.pop();
+ LedgerAccount acc = new LedgerAccount(aName);
+ acc.setHidden(lastAccount.isHidden());
+ if (!onlyStarred || !acc.isHidden())
+ accountList.add(acc);
+ L(String.format("gap-filling with %s", aName));
+ accountNames.put(aName, null);
+ profile.storeAccount(acc);
+ }
}
+
+ if (!onlyStarred || !lastAccount.isHidden())
+ accountList.add(lastAccount);
+ accountNames.put(acct_name, null);
+
+ state = ParserState.EXPECTING_ACCOUNT_AMOUNT;
+ L("→ expecting account amount");
}
- case ParserState.EXPECTING_TRANSACTION_DETAILS: {
- if (transaction == null)
+ break;
+
+ case EXPECTING_ACCOUNT_AMOUNT:
+ m = reAccountValue.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(',', '.');
+ L("curr=" + currency + ", value=" + value);
+ profile.storeAccountValue(lastAccount.getName(), currency,
+ Float.valueOf(value));
+ lastAccount.addAmount(Float.parseFloat(value), currency);
+ }
+
+ if (match_found) {
+ 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.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 = reEnd.matcher(line);
+ if (m.find()) {
+ L("--- transaction value complete ---");
+ success = true;
+ 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 is null while expecting details");
- if (line.isEmpty()) {
- // transaction data collected
- transaction.insertInto(db);
+ "Transaction Id is 0 while expecting " +
+ "description");
- state = ParserState.EXPECTING_TRANSACTION;
- publishProgress(++transactionCount);
+ 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 EXPECTING_TRANSACTION_DETAILS:
+ if (line.isEmpty()) {
+ // transaction data collected
+ if (transaction.existsInDb(db)) {
+ db.execSQL("UPDATE transactions SET keep = 1 WHERE " +
+ "profile = ? and id=?",
+ new Object[]{profile.getUuid(),
+ transaction.getId()
+ });
+ matchedTransactionsCount++;
+
+ if (matchedTransactionsCount ==
+ MATCHING_TRANSACTIONS_LIMIT)
+ {
+ db.execSQL("UPDATE transactions SET keep=1 WHERE " +
+ "profile = ? and id < ?",
+ new Object[]{profile.getUuid(),
+ transaction.getId()
+ });
+ success = true;
+ progress.setTotal(progress.getProgress());
+ publishProgress(progress);
+ break LINES;
+ }
}
else {
- Matcher 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)));
- }
- else throw new IllegalStateException(String.format(
- "Can't" + " parse transaction details"));
+ profile.storeTransaction(transaction);
+ matchedTransactionsCount = 0;
+ progress.setTotal(maxTransactionId);
}
+
+ state = ParserState.EXPECTING_TRANSACTION;
+ L(String.format(
+ "transaction %s saved → expecting transaction",
+ transaction.getId()));
+ transaction.finishLoading();
+
+// 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 " +
+// "parser");
+// break LINES;
+// }
+ }
+ else {
+ m = reTransactionDetails.matcher(line);
+ if (m.find()) {
+ String acc_name = m.group(1);
+ String amount = m.group(2);
+ String currency = m.group(3);
+ if (currency == null) currency = "";
+ amount = amount.replace(',', '.');
+ transaction.addAccount(
+ new LedgerTransactionAccount(acc_name,
+ Float.valueOf(amount), currency));
+ L(String.format("%d: %s = %s", transaction.getId(),
+ acc_name, amount));
+ }
+ else throw new IllegalStateException(String.format(
+ "Can't parse transaction %d " + "details: %s",
+ transactionId, line));
}
- default:
- throw new RuntimeException(
- String.format("Unknown " + "parser state %d",
- state));
- }
+ break;
+ default:
+ throw new RuntimeException(
+ String.format("Unknown parser updating %s",
+ state.name()));
}
- db.setTransactionSuccessful();
- }
- finally {
- db.endTransaction();
}
+
+ throwIfCancelled();
+
+ db.execSQL("DELETE FROM transactions WHERE profile=? AND keep = 0",
+ new String[]{profile.getUuid()});
+ db.setTransactionSuccessful();
+
+ Log.d("db", "Updating transaction value stamp");
+ Date now = new Date();
+ profile.setLongOption(MLDB.OPT_LAST_SCRAPE, now.getTime());
+ Data.lastUpdateDate.set(now);
+ TransactionListViewModel.scheduleTransactionListReload();
+ }
+ finally {
+ db.endTransaction();
}
}
}
error = R.string.err_net_io_error;
e.printStackTrace();
}
+ catch (OperationCanceledException e) {
+ error = R.string.err_cancelled;
+ e.printStackTrace();
+ }
+ finally {
+ Data.backgroundTaskCount.decrementAndGet();
+ }
return null;
}
- WeakReference<Context> getContextRef() {
- return contextRef;
+ private MainActivity getContext() {
+ return contextRef.get();
+ }
+ private void throwIfCancelled() {
+ if (isCancelled()) throw new OperationCanceledException(null);
+ }
+
+ private enum ParserState {
+ EXPECTING_ACCOUNT, EXPECTING_ACCOUNT_AMOUNT, EXPECTING_JOURNAL, EXPECTING_TRANSACTION,
+ EXPECTING_TRANSACTION_DESCRIPTION, EXPECTING_TRANSACTION_DETAILS
+ }
+
+ public class Progress {
+ public static final int INDETERMINATE = -1;
+ private int progress;
+ private int total;
+ Progress() {
+ this(INDETERMINATE, INDETERMINATE);
+ }
+ Progress(int progress, int total) {
+ this.progress = progress;
+ this.total = total;
+ }
+ public int getProgress() {
+ return progress;
+ }
+ protected void setProgress(int progress) {
+ this.progress = progress;
+ }
+ public int getTotal() {
+ return total;
+ }
+ protected void setTotal(int total) {
+ this.total = total;
+ }
}
private class TransactionParserException extends IllegalStateException {
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;
- }
}
projects / mobile-ledger.git / blobdiff