/*
This file is part of Cyclos (www.cyclos.org).
A project of the Social Trade Organisation (www.socialtrade.org).
Cyclos is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Cyclos 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 for more details.
You should have received a copy of the GNU General Public License
along with Cyclos; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package nl.strohalm.cyclos.controls.accounts.guarantees.paymentobligations;
import java.math.BigDecimal;
import java.util.Calendar;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import nl.strohalm.cyclos.annotations.Inject;
import nl.strohalm.cyclos.controls.ActionContext;
import nl.strohalm.cyclos.controls.BaseFormAction;
import nl.strohalm.cyclos.entities.Entity;
import nl.strohalm.cyclos.entities.accounts.Currency;
import nl.strohalm.cyclos.entities.accounts.guarantees.Certification;
import nl.strohalm.cyclos.entities.accounts.guarantees.CertificationQuery;
import nl.strohalm.cyclos.entities.accounts.guarantees.Guarantee;
import nl.strohalm.cyclos.entities.accounts.guarantees.PaymentObligation;
import nl.strohalm.cyclos.entities.accounts.guarantees.PaymentObligationLog;
import nl.strohalm.cyclos.entities.groups.Group;
import nl.strohalm.cyclos.entities.groups.MemberGroup;
import nl.strohalm.cyclos.entities.members.Element;
import nl.strohalm.cyclos.entities.members.Member;
import nl.strohalm.cyclos.entities.settings.LocalSettings;
import nl.strohalm.cyclos.exceptions.PermissionDeniedException;
import nl.strohalm.cyclos.services.accounts.CurrencyService;
import nl.strohalm.cyclos.services.accounts.guarantees.CertificationService;
import nl.strohalm.cyclos.services.accounts.guarantees.GuaranteeService;
import nl.strohalm.cyclos.services.accounts.guarantees.PaymentObligationService;
import nl.strohalm.cyclos.utils.ActionHelper;
import nl.strohalm.cyclos.utils.ActionHelper.ByElementExtractor;
import nl.strohalm.cyclos.utils.EntityHelper;
import nl.strohalm.cyclos.utils.binding.BeanBinder;
import nl.strohalm.cyclos.utils.binding.DataBinder;
import nl.strohalm.cyclos.utils.binding.PropertyBinder;
import nl.strohalm.cyclos.utils.conversion.IdConverter;
import org.apache.struts.action.ActionForward;
public class EditPaymentObligationAction extends BaseFormAction {
private DataBinder<PaymentObligation> dataBinder;
private PaymentObligationService paymentObligationService;
private CurrencyService currencyService;
private GuaranteeService guaranteeService;
private CertificationService certificationService;
public DataBinder<PaymentObligation> getDataBinder() {
if (dataBinder == null) {
final LocalSettings localSettings = settingsService.getLocalSettings();
final BeanBinder<PaymentObligation> binder = BeanBinder.instance(PaymentObligation.class);
binder.registerBinder("id", PropertyBinder.instance(Long.class, "id", IdConverter.instance()));
binder.registerBinder("status", PropertyBinder.instance(PaymentObligation.Status.class, "status"));
binder.registerBinder("amount", PropertyBinder.instance(BigDecimal.class, "amount", localSettings.getNumberConverter()));
binder.registerBinder("buyer", PropertyBinder.instance(Member.class, "buyer"));
binder.registerBinder("seller", PropertyBinder.instance(Member.class, "seller"));
binder.registerBinder("expirationDate", PropertyBinder.instance(Calendar.class, "expirationDate", localSettings.getRawDateConverter()));
binder.registerBinder("maxPublishDate", PropertyBinder.instance(Calendar.class, "maxPublishDate", localSettings.getRawDateConverter()));
binder.registerBinder("registrationDate", PropertyBinder.instance(Calendar.class, "registrationDate", localSettings.getRawDateConverter()));
binder.registerBinder("currency", PropertyBinder.instance(Currency.class, "currency"));
binder.registerBinder("description", PropertyBinder.instance(String.class, "description"));
binder.registerBinder("guarantee", PropertyBinder.instance(Guarantee.class, "guarantee"));
dataBinder = binder;
}
return dataBinder;
}
@Inject
public void setCertificationService(final CertificationService certificationService) {
this.certificationService = certificationService;
}
@Inject
public void setCurrencyService(final CurrencyService currencyService) {
this.currencyService = currencyService;
}
@Inject
public void setGuaranteeService(final GuaranteeService guaranteeService) {
this.guaranteeService = guaranteeService;
}
@Inject
public void setPaymentObligationService(final PaymentObligationService paymentObligationService) {
this.paymentObligationService = paymentObligationService;
}
@Override
protected ActionForward handleSubmit(final ActionContext context) throws Exception {
final EditPaymentObligationForm form = context.getForm();
final PaymentObligation paymentObligation = getDataBinder().readFromString(form.getPaymentObligation());
final boolean isInsert = paymentObligation.isTransient();
initialize(paymentObligation, context);
paymentObligationService.save(paymentObligation, true);
context.sendMessage(isInsert ? "paymentObligation.inserted" : "paymentObligation.modified");
return ActionHelper.redirectWithParam(context.getRequest(), context.getSuccessForward(), "paymentObligationId", paymentObligation.getId());
}
@Override
protected void prepareForm(final ActionContext context) throws Exception {
final HttpServletRequest request = context.getRequest();
final EditPaymentObligationForm form = context.getForm();
final long id = form.getPaymentObligationId();
final boolean isInsert = id <= 0L;
Long guaranteeId = -1L;
final boolean isBuyer = (Boolean) context.getSession().getAttribute("isBuyer");
boolean isEditable = isInsert || isBuyer;
PaymentObligation paymentObligation;
Collection<Currency> currencies = null;
if (isInsert) {
// If the logged user is an administrator or is not a buyer, he(she) can not create payment obligations
if (context.isAdmin() || !isBuyer) {
throw new PermissionDeniedException();
}
currencies = resolveAvailableCurrencies(context, null);
} else {
paymentObligation = paymentObligationService.load(id, PaymentObligation.Relationships.GUARANTEE, PaymentObligation.Relationships.BUYER, PaymentObligation.Relationships.SELLER);
currencies = resolveAvailableCurrencies(context, paymentObligation);
if (paymentObligation.getStatus() != PaymentObligation.Status.REGISTERED || !paymentObligation.getBuyer().equals(context.getAccountOwner())) {
isEditable = false;
}
if (paymentObligation.getGuarantee() != null) {
guaranteeId = paymentObligation.getGuarantee().getId();
}
final ByElementExtractor extractor = new ByElementExtractor() {
@Override
public Element getByElement(final Entity entity) {
return ((PaymentObligationLog) entity).getBy();
}
};
final boolean canAccept = paymentObligationService.canChangeStatus(paymentObligation, PaymentObligation.Status.ACCEPTED);
if (canAccept) {
final List<Member> issuers = certificationService.getCertificationIssuers(paymentObligation);
request.setAttribute("issuers", issuers);
}
getDataBinder().writeAsString(form.getPaymentObligation(), paymentObligation);
request.setAttribute("paymentObligation", paymentObligation);
request.setAttribute("canPublish", paymentObligationService.canChangeStatus(paymentObligation, PaymentObligation.Status.PUBLISHED));
request.setAttribute("canConceal", paymentObligationService.canChangeStatus(paymentObligation, PaymentObligation.Status.REGISTERED));
request.setAttribute("canReject", paymentObligationService.canChangeStatus(paymentObligation, PaymentObligation.Status.REJECTED));
request.setAttribute("canAccept", canAccept);
request.setAttribute("canDelete", paymentObligationService.canDelete(paymentObligation));
request.setAttribute("logsBy", ActionHelper.getByElements(context, paymentObligation.getLogs(), extractor));
}
request.setAttribute("guaranteeId", guaranteeId);
request.setAttribute("isInsert", isInsert);
request.setAttribute("isEditable", isEditable);
request.setAttribute("currencies", currencies);
if (currencies.size() == 1) { // this is to show the currency's symbol as a label
request.setAttribute("singleCurrency", currencies.iterator().next());
}
if (isEditable) {
final Collection<? extends Group> sellers = guaranteeService.getSellers();
request.setAttribute("sellerGroupsId", EntityHelper.toIdsAsString(sellers));
} else {
request.setAttribute("sellerGroupsId", "[]");
}
}
@Override
protected void validateForm(final ActionContext context) {
final EditPaymentObligationForm form = context.getForm();
final PaymentObligation paymentObligation = getDataBinder().readFromString(form.getPaymentObligation());
initialize(paymentObligation, context);
paymentObligationService.validate(paymentObligation);
}
/*
* Sets all the not showed data in the view
*/
private void initialize(final PaymentObligation paymentObligation, final ActionContext context) {
paymentObligation.setBuyer(EntityHelper.reference(Member.class, ((Member) context.getAccountOwner()).getId()));
}
private Collection<Currency> resolveAvailableCurrencies(final ActionContext context, final PaymentObligation paymentObligation) {
if (context.isAdmin()) {
return currencyService.listAll();
}
Collection<Currency> currencies = new HashSet<Currency>();
Member member = (Member) context.getAccountOwner();
member = elementService.load(member.getId(), Element.Relationships.GROUP);
if (paymentObligation == null || member.equals(paymentObligation.getBuyer())) {
// The member is the buyer (or an operator of the buyer) of the payment obligation
final CertificationQuery query = new CertificationQuery();
query.setBuyer((Member) context.getAccountOwner());
query.setStatusList(Collections.singletonList(Certification.Status.ACTIVE));
final List<Certification> certifications = certificationService.search(query);
for (final Certification certification : certifications) {
currencies.add(certification.getGuaranteeType().getCurrency());
}
} else {
// The member is the seller (or an operator of the seller) of the payment obligation
final MemberGroup memberGroup = member.getMemberGroup();
currencies = currencyService.listByMemberGroup(memberGroup);
}
return currencies;
}
}