/*
* Copyright (C) 2011 4th Line GmbH, Switzerland
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.fourthline.konto.client.ledger.account;
import com.google.gwt.activity.shared.AbstractActivity;
import com.google.web.bindery.event.shared.EventBus;
import com.google.gwt.place.shared.PlaceController;
import com.google.gwt.user.client.rpc.AsyncCallback;
import com.google.gwt.user.client.ui.AcceptsOneWidget;
import com.google.inject.Provider;
import org.fourthline.konto.client.currency.CurrencyPlace;
import org.fourthline.konto.client.dashboard.DashboardPlace;
import org.fourthline.konto.client.ledger.LedgerPlace;
import org.fourthline.konto.client.ledger.account.event.AccountModified;
import org.fourthline.konto.client.ledger.account.event.AccountRemoved;
import org.fourthline.konto.client.ledger.account.view.AccountView;
import org.fourthline.konto.client.ledger.event.AccountSelectionModeChange;
import org.seamless.gwt.notify.client.Message;
import org.seamless.gwt.notify.client.ServerFailureNotifyEvent;
import org.seamless.gwt.notify.client.NotifyEvent;
import org.seamless.gwt.notify.client.ValidationErrorNotifyEvent;
import org.fourthline.konto.client.service.CurrencyServiceAsync;
import org.fourthline.konto.client.service.LedgerServiceAsync;
import org.fourthline.konto.client.settings.GlobalSettings;
import org.fourthline.konto.client.settings.event.GlobalSettingsRefreshedEvent;
import org.fourthline.konto.shared.AccountType;
import org.fourthline.konto.shared.Constants;
import org.fourthline.konto.shared.LedgerCoordinates;
import org.fourthline.konto.shared.MonetaryAmount;
import org.seamless.gwt.validation.shared.Validatable;
import org.seamless.gwt.validation.shared.ValidationError;
import org.seamless.gwt.validation.shared.ValidationException;
import org.fourthline.konto.shared.entity.Account;
import org.fourthline.konto.shared.entity.MonetaryUnit;
import org.fourthline.konto.shared.entity.settings.GlobalOption;
import javax.inject.Inject;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import java.util.logging.Level;
/**
* @author Christian Bauer
*/
public class AccountActivity
extends AbstractActivity
implements AccountView.Presenter, GlobalSettingsRefreshedEvent.Handler {
class NewAccountCallback implements AsyncCallback<List<MonetaryUnit>> {
@Override
public void onFailure(Throwable caught) {
bus.fireEvent(new ServerFailureNotifyEvent(caught));
}
@Override
public void onSuccess(List<MonetaryUnit> result) {
currencies = result;
if (currencies.size() == 0) {
bus.fireEvent(new NotifyEvent(
new Message(
Level.INFO,
"Can't create account",
"Create a currency first."
)
));
placeController.goTo(new CurrencyPlace());
return;
}
type = AccountType.values()[0]; // Default to first type
unit = currencies.get(0); // Default to first currency
accountGroupSelectPresenter.startWith(type, null);
view.setCurrencies(result);
view.setCurrency(Constants.SYSTEM_BASE_CURRENCY_CODE);
view.getEffectiveOnProperty().set(new Date());
view.getInitialBalanceProperty().set(new BigDecimal("0"));
view.setCreateMode(true);
view.focus();
}
}
class EditAccountCallback implements AsyncCallback<Account> {
@Override
public void onFailure(Throwable caught) {
bus.fireEvent(new ServerFailureNotifyEvent(caught));
}
@Override
public void onSuccess(Account result) {
initialAccount = result;
type = initialAccount.getType();
unit = initialAccount.getMonetaryUnit();
accountGroupId = initialAccount.getGroupId();
accountGroupSelectPresenter.startWith(initialAccount.getType(), initialAccount.getGroupName());
view.getNameProperty().set(initialAccount.getName());
view.getAccountGroupSelectView().setName(initialAccount.getGroupName());
view.getEffectiveOnProperty().set(initialAccount.getEffectiveOn());
// TODO view.setCurrency(initialAccount.getCurrencyCode());
view.getInitialBalanceProperty().set(initialAccount.getInitialBalance().getValue());
switchSubAccountPresenter(initialAccount.getType());
if (subAccountPresenter != null) {
subAccountPresenter.startWith(initialAccount);
}
view.setCreateMode(false);
view.focus();
}
}
final AccountView view;
final AccountGroupSelectPresenter accountGroupSelectPresenter;
final PlaceController placeController;
final EventBus bus;
final LedgerServiceAsync ledgerService;
final CurrencyServiceAsync currencyService;
final Provider<BankAccountPresenter> bankAccountPresenterProvider;
SubAccountPresenter subAccountPresenter;
Long accountId;
Account initialAccount;
List<MonetaryUnit> currencies;
Account account;
AccountType type;
Long accountGroupId;
MonetaryUnit unit;
@Inject
public AccountActivity(AccountView view,
Provider<BankAccountPresenter> bankAccountPresenterProvider,
PlaceController placeController,
EventBus bus,
LedgerServiceAsync ledgerService,
CurrencyServiceAsync currencyService,
GlobalSettings globalSettings) {
this.view = view;
this.bankAccountPresenterProvider = bankAccountPresenterProvider;
this.placeController = placeController;
this.bus = bus;
this.ledgerService = ledgerService;
this.currencyService = currencyService;
accountGroupSelectPresenter =
new AccountGroupSelectPresenter(view.getAccountGroupSelectView(), bus, ledgerService);
onSettingsRefreshed(globalSettings);
}
public Account getAccount() {
return account;
}
public AccountActivity init(AccountPlace place) {
this.accountId = place.getAccountId();
return this;
}
@Override
public void start(AcceptsOneWidget containerWidget, com.google.gwt.event.shared.EventBus activityBus) {
view.reset();
view.setPresenter(this);
containerWidget.setWidget(view.asWidget());
activityBus.addHandler(GlobalSettingsRefreshedEvent.TYPE, this);
bus.fireEvent(new AccountSelectionModeChange());
if (accountId != null) {
ledgerService.getAccount(accountId, new EditAccountCallback());
} else {
currencyService.getMonetaryUnits(new NewAccountCallback());
}
}
@Override
public void onSettingsRefreshed(GlobalSettings gs) {
view.setDateFormat(gs.getValue(GlobalOption.OPT_DATE_FORMAT));
}
@Override
public void typeSelected(AccountType type) {
this.type = type;
accountGroupSelectPresenter.setAccountType(type);
switchSubAccountPresenter(type);
}
@Override
public void currencySelected(int index) {
unit = currencies.get(index);
view.setCurrency(unit.getCurrencyCode());
}
@Override
public void save() {
clearValidationErrors();
// Client-side validation including view/model data binding
List<ValidationError> errors = flushView();
if (errors.size() > 0) {
bus.fireEvent(new NotifyEvent(
new Message(Level.WARNING, "Can't save account", "Please correct your input.")
));
showValidationErrors(errors);
return;
}
ledgerService.store(account, new AsyncCallback<Long>() {
@Override
public void onFailure(Throwable caught) {
if (caught instanceof ValidationException) {
ValidationException ex = (ValidationException) caught;
// This is probably a FK violation
if (!ex.hasErrors()) {
bus.fireEvent(new NotifyEvent(
new Message(
Level.WARNING,
"Can't save account, errors on server",
ex.getMessage()
)
));
}
showValidationErrors(ex.getErrors());
} else {
bus.fireEvent(new ServerFailureNotifyEvent(caught));
}
}
@Override
public void onSuccess(Long result) {
bus.fireEvent(new NotifyEvent(
new Message(
Level.INFO,
"Account saved",
"Modifications have been stored."
)
));
placeController.goTo(new LedgerPlace(new LedgerCoordinates(result)));
bus.fireEvent(new AccountModified(account));
}
});
}
@Override
public void delete() {
ledgerService.remove(initialAccount, new AsyncCallback<Void>() {
@Override
public void onFailure(Throwable caught) {
bus.fireEvent(new ServerFailureNotifyEvent(caught));
}
@Override
public void onSuccess(Void result) {
bus.fireEvent(new NotifyEvent(
new Message(
Level.INFO,
"Account deleted",
"The account has been permanently removed."
)
));
placeController.goTo(new DashboardPlace());
bus.fireEvent(new AccountRemoved(initialAccount));
}
});
}
@Override
public void cancel() {
if (accountId != null) {
placeController.goTo(new LedgerPlace(new LedgerCoordinates(accountId)));
} else {
placeController.goTo(new DashboardPlace());
}
}
protected void switchSubAccountPresenter(AccountType type) {
if (subAccountPresenter != null) {
view.removeFormPanelRow(subAccountPresenter.getSubAccountView());
}
switch (type) {
case BankAccount:
subAccountPresenter = bankAccountPresenterProvider.get();
//((SubAccountPresenter<BankAccount>)subAccountPresenter).startWith();
view.addFormPanelRow(subAccountPresenter.getSubAccountView());
break;
default:
subAccountPresenter = null;
}
}
protected void clearValidationErrors() {
if (subAccountPresenter != null)
subAccountPresenter.clearValidationErrors();
view.getNameProperty().clearValidationError();
view.clearValidationErrorAccountGroup();
view.getEffectiveOnProperty().clearValidationError();
view.getInitialBalanceProperty().clearValidationError();
}
protected void showValidationErrors(List<ValidationError> errors) {
if (subAccountPresenter != null) {
subAccountPresenter.showValidationErrors(errors);
}
List<ValidationError> accountErrors =
ValidationError.filterEntity(errors, Account.class.getName());
for (ValidationError error : accountErrors) {
if (Account.Property.name.equals(error.getProperty()))
view.getNameProperty().showValidationError(error);
else if (Account.Property.effectiveOn.equals(error.getProperty()))
view.getEffectiveOnProperty().showValidationError(error);
else if (Account.Property.initialBalance.equals(error.getProperty()))
view.getInitialBalanceProperty().showValidationError(error);
else if (Account.Property.groupName.equals(error.getProperty()))
view.showValidationErrorAccountGroup(error);
else
errors.add(error);
}
for (ValidationError error : errors) {
bus.fireEvent(new ValidationErrorNotifyEvent(error));
}
}
protected List<ValidationError> flushView() {
List<ValidationError> errors = new ArrayList();
account = initialAccount != null ? initialAccount : type.instantiate();
account.setName(view.getNameProperty().get());
account.setEffectiveOn(view.getEffectiveOnProperty().get());
account.setInitialBalance(new MonetaryAmount(unit, view.getInitialBalanceProperty().get()));
account.setMonetaryUnitId(unit.getId());
account.setGroupName(accountGroupSelectPresenter.getName());
if (subAccountPresenter != null) {
errors.addAll(subAccountPresenter.flush(account));
}
errors.addAll(account.validate(Validatable.GROUP_CLIENT));
return errors;
}
}