/*
* Copyright 2010-2011 Ning, Inc.
*
* Ning licenses this file to you under the Apache License, version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package com.ning.billing.entitlement.api.user;
import java.util.LinkedList;
import java.util.List;
import java.util.UUID;
import org.joda.time.DateTime;
import com.google.inject.Inject;
import com.ning.billing.ErrorCode;
import com.ning.billing.catalog.api.Catalog;
import com.ning.billing.catalog.api.CatalogApiException;
import com.ning.billing.catalog.api.CatalogService;
import com.ning.billing.catalog.api.Plan;
import com.ning.billing.catalog.api.PlanPhase;
import com.ning.billing.catalog.api.PlanPhaseSpecifier;
import com.ning.billing.catalog.api.PriceListSet;
import com.ning.billing.catalog.api.ProductCategory;
import com.ning.billing.entitlement.api.SubscriptionFactory;
import com.ning.billing.entitlement.api.user.Subscription.SubscriptionState;
import com.ning.billing.entitlement.api.user.DefaultSubscriptionFactory.SubscriptionBuilder;
import com.ning.billing.entitlement.api.user.SubscriptionStatusDryRun.DryRunChangeReason;
import com.ning.billing.entitlement.engine.addon.AddonUtils;
import com.ning.billing.entitlement.engine.dao.EntitlementDao;
import com.ning.billing.entitlement.exceptions.EntitlementError;
import com.ning.billing.util.callcontext.CallContext;
import com.ning.billing.util.clock.Clock;
import com.ning.billing.util.clock.DefaultClock;
public class DefaultEntitlementUserApi implements EntitlementUserApi {
private final Clock clock;
private final EntitlementDao dao;
private final CatalogService catalogService;
private final DefaultSubscriptionApiService apiService;
private final AddonUtils addonUtils;
private final SubscriptionFactory subscriptionFactory;
@Inject
public DefaultEntitlementUserApi(Clock clock, EntitlementDao dao, CatalogService catalogService,
DefaultSubscriptionApiService apiService, final SubscriptionFactory subscriptionFactory, AddonUtils addonUtils) {
super();
this.clock = clock;
this.apiService = apiService;
this.dao = dao;
this.catalogService = catalogService;
this.addonUtils = addonUtils;
this.subscriptionFactory = subscriptionFactory;
}
@Override
public SubscriptionBundle getBundleFromId(UUID id) throws EntitlementUserApiException {
SubscriptionBundle result = dao.getSubscriptionBundleFromId(id);
if (result == null) {
throw new EntitlementUserApiException(ErrorCode.ENT_GET_INVALID_BUNDLE_ID, id.toString());
}
return result;
}
@Override
public Subscription getSubscriptionFromId(UUID id) throws EntitlementUserApiException {
Subscription result = dao.getSubscriptionFromId(subscriptionFactory, id);
if (result == null) {
throw new EntitlementUserApiException(ErrorCode.ENT_INVALID_SUBSCRIPTION_ID, id);
}
return result;
}
@Override
public SubscriptionBundle getBundleForKey(String bundleKey) throws EntitlementUserApiException {
SubscriptionBundle result = dao.getSubscriptionBundleFromKey(bundleKey);
if (result == null) {
throw new EntitlementUserApiException(ErrorCode.ENT_GET_INVALID_BUNDLE_KEY, bundleKey);
}
return result;
}
@Override
public List<SubscriptionBundle> getBundlesForAccount(UUID accountId) {
return dao.getSubscriptionBundleForAccount(accountId);
}
@Override
public List<Subscription> getSubscriptionsForKey(String bundleKey) {
return dao.getSubscriptionsForKey(subscriptionFactory, bundleKey);
}
@Override
public List<Subscription> getSubscriptionsForBundle(UUID bundleId) {
return dao.getSubscriptions(subscriptionFactory, bundleId);
}
@Override
public Subscription getBaseSubscription(UUID bundleId) throws EntitlementUserApiException {
Subscription result = dao.getBaseSubscription(subscriptionFactory, bundleId);
if (result == null) {
throw new EntitlementUserApiException(ErrorCode.ENT_GET_NO_SUCH_BASE_SUBSCRIPTION, bundleId);
}
return result;
}
public SubscriptionBundle createBundleForAccount(UUID accountId, String bundleName, CallContext context)
throws EntitlementUserApiException {
SubscriptionBundleData bundle = new SubscriptionBundleData(bundleName, accountId, clock.getUTCNow());
return dao.createSubscriptionBundle(bundle, context);
}
@Override
public Subscription createSubscription(UUID bundleId, PlanPhaseSpecifier spec, DateTime requestedDate,
CallContext context) throws EntitlementUserApiException {
try {
String realPriceList = (spec.getPriceListName() == null) ? PriceListSet.DEFAULT_PRICELIST_NAME : spec.getPriceListName();
DateTime now = clock.getUTCNow();
requestedDate = (requestedDate != null) ? DefaultClock.truncateMs(requestedDate) : now;
if (requestedDate.isAfter(now)) {
throw new EntitlementUserApiException(ErrorCode.ENT_INVALID_REQUESTED_DATE, requestedDate.toString());
}
DateTime effectiveDate = requestedDate;
Catalog catalog = catalogService.getFullCatalog();
Plan plan = catalog.findPlan(spec.getProductName(), spec.getBillingPeriod(), realPriceList, requestedDate);
PlanPhase phase = plan.getAllPhases()[0];
if (phase == null) {
throw new EntitlementError(String.format("No initial PlanPhase for Product %s, term %s and set %s does not exist in the catalog",
spec.getProductName(), spec.getBillingPeriod().toString(), realPriceList));
}
SubscriptionBundle bundle = dao.getSubscriptionBundleFromId(bundleId);
if (bundle == null) {
throw new EntitlementUserApiException(ErrorCode.ENT_CREATE_NO_BUNDLE, bundleId);
}
DateTime bundleStartDate = null;
SubscriptionData baseSubscription = (SubscriptionData) dao.getBaseSubscription(subscriptionFactory, bundleId);
switch(plan.getProduct().getCategory()) {
case BASE:
if (baseSubscription != null) {
if (baseSubscription.getState() == SubscriptionState.ACTIVE) {
throw new EntitlementUserApiException(ErrorCode.ENT_CREATE_BP_EXISTS, bundleId);
} else {
// If we do create on an existing CANCELLED BP, this is equivalent to call recreate on that Subscription.
baseSubscription.recreate(spec, requestedDate, context);
return baseSubscription;
}
}
bundleStartDate = requestedDate;
break;
case ADD_ON:
if (baseSubscription == null) {
throw new EntitlementUserApiException(ErrorCode.ENT_CREATE_NO_BP, bundleId);
}
if (effectiveDate.isBefore(baseSubscription.getStartDate())) {
throw new EntitlementUserApiException(ErrorCode.ENT_INVALID_REQUESTED_DATE, requestedDate.toString());
}
addonUtils.checkAddonCreationRights(baseSubscription, plan);
bundleStartDate = baseSubscription.getStartDate();
break;
case STANDALONE:
if (baseSubscription != null) {
throw new EntitlementUserApiException(ErrorCode.ENT_CREATE_BP_EXISTS, bundleId);
}
// Not really but we don't care, there is no alignment for STANDALONE subscriptions
bundleStartDate = requestedDate;
break;
default:
throw new EntitlementError(String.format("Can't create subscription of type %s",
plan.getProduct().getCategory().toString()));
}
SubscriptionData subscription = apiService.createPlan(new SubscriptionBuilder()
.setId(UUID.randomUUID())
.setBundleId(bundleId)
.setCategory(plan.getProduct().getCategory())
.setBundleStartDate(bundleStartDate)
.setStartDate(effectiveDate),
plan, spec.getPhaseType(), realPriceList, requestedDate, effectiveDate, now, context);
return subscription;
} catch (CatalogApiException e) {
throw new EntitlementUserApiException(e);
}
}
@Override
public DateTime getNextBillingDate(UUID accountId) {
List<SubscriptionBundle> bundles = getBundlesForAccount(accountId);
DateTime result = null;
for(SubscriptionBundle bundle : bundles) {
List<Subscription> subscriptions = getSubscriptionsForBundle(bundle.getId());
for(Subscription subscription : subscriptions) {
DateTime chargedThruDate = subscription.getChargedThroughDate();
if(result == null ||
(chargedThruDate != null && chargedThruDate.isBefore(result))) {
result = subscription.getChargedThroughDate();
}
}
}
return result;
}
@Override
public List<SubscriptionStatusDryRun> getDryRunChangePlanStatus(UUID subscriptionId, String baseProductName, DateTime requestedDate)
throws EntitlementUserApiException {
Subscription subscription = dao.getSubscriptionFromId(subscriptionFactory, subscriptionId);
if (subscription == null) {
throw new EntitlementUserApiException(ErrorCode.ENT_INVALID_SUBSCRIPTION_ID, subscriptionId);
}
if (subscription.getCategory() != ProductCategory.BASE) {
throw new EntitlementUserApiException(ErrorCode.ENT_CHANGE_DRY_RUN_NOT_BP);
}
List<SubscriptionStatusDryRun> result = new LinkedList<SubscriptionStatusDryRun>();
List<Subscription> bundleSubscriptions = dao.getSubscriptions(subscriptionFactory, subscription.getBundleId());
for (Subscription cur : bundleSubscriptions) {
if (cur.getId().equals(subscriptionId)) {
continue;
}
DryRunChangeReason reason = null;
if (addonUtils.isAddonIncludedFromProdName(baseProductName, requestedDate, cur.getCurrentPlan())) {
reason = DryRunChangeReason.AO_INCLUDED_IN_NEW_PLAN;
} else if (addonUtils.isAddonAvailableFromProdName(baseProductName, requestedDate, cur.getCurrentPlan())) {
reason = DryRunChangeReason.AO_AVAILABLE_IN_NEW_PLAN;
} else {
reason = DryRunChangeReason.AO_NOT_AVAILABLE_IN_NEW_PLAN;
}
SubscriptionStatusDryRun status = new DefaultSubscriptionStatusDryRun(cur.getId(),
cur.getCurrentPlan().getProduct().getName(), cur.getCurrentPhase().getPhaseType(),
cur.getCurrentPlan().getBillingPeriod(),
cur.getCurrentPriceList().getName(), reason);
result.add(status);
}
return result;
}
}