package net.ktnx.mobileledger.async;
+import android.annotation.SuppressLint;
import android.content.Context;
import android.content.SharedPreferences;
import android.database.sqlite.SQLiteDatabase;
import android.os.AsyncTask;
+import android.util.Log;
import net.ktnx.mobileledger.R;
+import net.ktnx.mobileledger.TransactionListActivity;
import net.ktnx.mobileledger.model.LedgerTransaction;
import net.ktnx.mobileledger.model.LedgerTransactionItem;
import net.ktnx.mobileledger.utils.MobileLedgerDatabase;
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>");
+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 =
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;
+ 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 void L(String msg) {
+ Log.d("transaction-parser", msg);
+ }
+ @Override
+ protected void onProgressUpdate(Progress... values) {
+ super.onProgressUpdate(values);
+ TransactionListActivity context = getContext();
+ if (context == null) return;
+ context.onRetrieveProgress(values[0]);
+ }
+ @Override
+ protected void onPreExecute() {
+ super.onPreExecute();
+ TransactionListActivity context = getContext();
+ if (context == null) return;
+ context.onRetrieveStart();
+ }
+ @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) {
+ Progress progress = new Progress();
+ success = false;
try {
HttpURLConnection http =
NetworkUtil.prepare_connection(params[0].getBackendPref(), "journal");
http.setAllowUserInteraction(false);
- publishProgress(0);
+ publishProgress(progress);
Context ctx = contextRef.get();
if (ctx == null) return null;
try (MobileLedgerDatabase dbh = new MobileLedgerDatabase(ctx)) {
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});
- }
+ db.execSQL("DELETE FROM transactions;");
int state = ParserState.EXPECTING_JOURNAL;
String line;
new BufferedReader(new InputStreamReader(resp, "UTF-8"));
int transactionCount = 0;
- String transactionId = null;
+ int transactionId = 0;
LedgerTransaction transaction = null;
+ LINES:
while ((line = buf.readLine()) != null) {
+ Matcher m;
+ L(String.format("State is %d", state));
switch (state) {
- case ParserState.EXPECTING_JOURNAL: {
- if (line.equals("<h2>General Journal</h2>"))
+ case ParserState.EXPECTING_JOURNAL:
+ if (line.equals("<h2>General Journal</h2>")) {
state = ParserState.EXPECTING_TRANSACTION;
- continue;
- }
- case ParserState.EXPECTING_TRANSACTION: {
- Matcher m = transactionStartPattern.matcher(line);
+ L("→ expecting transaction");
+ }
+ break;
+ case ParserState.EXPECTING_TRANSACTION:
+ m = transactionStartPattern.matcher(line);
if (m.find()) {
- transactionId = m.group(1);
+ transactionId = Integer.valueOf(m.group(1));
state = ParserState.EXPECTING_TRANSACTION_DESCRIPTION;
+ L(String.format("found transaction %d → expecting " +
+ "description", transactionId));
+ progress.setProgress(++transactionCount);
+ if (progress.getTotal() == Progress.INDETERMINATE)
+ progress.setTotal(transactionId);
+ publishProgress(progress);
}
- }
- case ParserState.EXPECTING_TRANSACTION_DESCRIPTION: {
- Matcher m = transactionDescriptionPattern.matcher(line);
+ m = endPattern.matcher(line);
if (m.find()) {
- if (transactionId == null)
+ L("--- transaction list complete ---");
+ success = true;
+ break LINES;
+ }
+ break;
+ case ParserState.EXPECTING_TRANSACTION_DESCRIPTION:
+ m = transactionDescriptionPattern.matcher(line);
+ if (m.find()) {
+ if (transactionId == 0)
throw new TransactionParserException(
- "Transaction Id is null while expecting description");
+ "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)));
}
- }
- case ParserState.EXPECTING_TRANSACTION_DETAILS: {
- if (transaction == null)
- throw new TransactionParserException(
- "Transaction is null while expecting details");
+ break;
+ case ParserState.EXPECTING_TRANSACTION_DETAILS:
if (line.isEmpty()) {
// transaction data collected
transaction.insertInto(db);
state = ParserState.EXPECTING_TRANSACTION;
- publishProgress(++transactionCount);
+ L(String.format("transaction %s saved → expecting " +
+ "transaction", transaction.getId()));
}
else {
- Matcher m = transactionDetailsPattern.matcher(line);
+ m = transactionDetailsPattern.matcher(line);
if (m.find()) {
String acc_name = m.group(1);
String amount = m.group(2);
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"));
+ "Can't parse transaction details"));
}
- }
+ break;
default:
throw new RuntimeException(
String.format("Unknown " + "parser state %d",
}
return null;
}
- WeakReference<Context> getContextRef() {
- return contextRef;
+ TransactionListActivity getContext() {
+ return contextRef.get();
+ }
+
+ public static class Params {
+ static final int DEFAULT_LIMIT = 100;
+ private SharedPreferences backendPref;
+ private String accountsRoot;
+ private int limit;
+
+ public 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;
+ }
+ }
+
+ 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 {
projects / mobile-ledger.git / blobdiff