/*
* Copyright 2014-2015 Groupon, Inc
* Copyright 2014-2015 The Billing Project, LLC
*
* The Billing Project 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 org.killbill.billing.catalog.override;
import java.util.List;
import java.util.concurrent.atomic.AtomicLong;
import java.util.regex.Pattern;
import javax.annotation.Nullable;
import org.joda.time.DateTime;
import org.killbill.billing.ErrorCode;
import org.killbill.billing.callcontext.InternalCallContext;
import org.killbill.billing.callcontext.InternalTenantContext;
import org.killbill.billing.catalog.DefaultPlan;
import org.killbill.billing.catalog.DefaultPlanPhase;
import org.killbill.billing.catalog.DefaultPlanPhasePriceOverride;
import org.killbill.billing.catalog.StandaloneCatalog;
import org.killbill.billing.catalog.StandaloneCatalogWithPriceOverride;
import org.killbill.billing.catalog.api.CatalogApiException;
import org.killbill.billing.catalog.api.Plan;
import org.killbill.billing.catalog.api.PlanPhase;
import org.killbill.billing.catalog.api.PlanPhasePriceOverride;
import org.killbill.billing.catalog.api.PlanPhaseSpecifier;
import org.killbill.billing.catalog.api.StaticCatalog;
import org.killbill.billing.catalog.caching.OverriddenPlanCache;
import org.killbill.billing.catalog.dao.CatalogOverrideDao;
import org.killbill.billing.catalog.dao.CatalogOverridePlanDefinitionModelDao;
import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import com.google.inject.Inject;
public class DefaultPriceOverride implements PriceOverride {
private static final AtomicLong DRY_RUN_PLAN_IDX = new AtomicLong(0);
public static final Pattern CUSTOM_PLAN_NAME_PATTERN = Pattern.compile("(.*)-(\\d+)$");
private final CatalogOverrideDao overrideDao;
private final OverriddenPlanCache overriddenPlanCache;
@Inject
public DefaultPriceOverride(final CatalogOverrideDao overrideDao, final OverriddenPlanCache overriddenPlanCache) {
this.overrideDao = overrideDao;
this.overriddenPlanCache = overriddenPlanCache;
}
@Override
public DefaultPlan getOrCreateOverriddenPlan(final StandaloneCatalog standaloneCatalog, final Plan parentPlan, final DateTime catalogEffectiveDate, final List<PlanPhasePriceOverride> overrides, @Nullable final InternalCallContext context) throws CatalogApiException {
final PlanPhasePriceOverride[] resolvedOverride = new PlanPhasePriceOverride[parentPlan.getAllPhases().length];
int index = 0;
for (final PlanPhase curPhase : parentPlan.getAllPhases()) {
final PlanPhasePriceOverride curOverride = Iterables.tryFind(overrides, new Predicate<PlanPhasePriceOverride>() {
@Override
public boolean apply(final PlanPhasePriceOverride input) {
if (input.getPhaseName() != null) {
return input.getPhaseName().equals(curPhase.getName());
}
// If the phaseName was not passed, we infer by matching the phaseType. This obviously would not work in a case where
// a plan is defined with multiple phases of the same type.
final PlanPhaseSpecifier curPlanPhaseSpecifier = input.getPlanPhaseSpecifier();
if (curPlanPhaseSpecifier.getPhaseType().equals(curPhase.getPhaseType())) {
return true;
}
return false;
}
}).orNull();
resolvedOverride[index++] = curOverride != null ?
new DefaultPlanPhasePriceOverride(curPhase.getName(), curOverride.getCurrency(), curOverride.getFixedPrice(), curOverride.getRecurringPrice()) :
null;
}
for (int i = 0; i < resolvedOverride.length; i++) {
final PlanPhasePriceOverride curOverride = resolvedOverride[i];
if (curOverride != null) {
final DefaultPlanPhase curPhase = (DefaultPlanPhase) parentPlan.getAllPhases()[i];
if (curPhase.getFixed() == null && curOverride.getFixedPrice() != null) {
final String error = String.format("There is no existing fixed price for the phase %s", curPhase.getName());
throw new CatalogApiException(ErrorCode.CAT_INVALID_INVALID_PRICE_OVERRIDE, parentPlan.getName(), error);
}
if (curPhase.getRecurring() == null && curOverride.getRecurringPrice() != null) {
final String error = String.format("There is no existing recurring price for the phase %s", curPhase.getName());
throw new CatalogApiException(ErrorCode.CAT_INVALID_INVALID_PRICE_OVERRIDE, parentPlan.getName(), error);
}
}
}
final String planName;
if (context != null) {
final CatalogOverridePlanDefinitionModelDao overriddenPlan = overrideDao.getOrCreateOverridePlanDefinition(parentPlan.getName(), catalogEffectiveDate, resolvedOverride, context);
planName = new StringBuffer(parentPlan.getName()).append("-").append(overriddenPlan.getRecordId()).toString();
} else {
planName = new StringBuffer(parentPlan.getName()).append("-dryrun-").append(DRY_RUN_PLAN_IDX.incrementAndGet()).toString();
}
final DefaultPlan result = new DefaultPlan(planName, (DefaultPlan) parentPlan, resolvedOverride);
result.initialize(standaloneCatalog, standaloneCatalog.getCatalogURI());
if (context == null) {
overriddenPlanCache.addDryRunPlan(planName, result);
}
return result;
}
@Override
public DefaultPlan getOverriddenPlan(final String planName, final StaticCatalog catalog, final InternalTenantContext context) throws CatalogApiException {
return overriddenPlanCache.getOverriddenPlan(planName, catalog, context);
}
}