/*
* 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.regex.Matcher;
import java.util.regex.Pattern;
import org.joda.time.DateTime;
import org.killbill.billing.callcontext.InternalCallContext;
import org.killbill.billing.callcontext.InternalTenantContext;
import org.killbill.billing.catalog.DefaultPlan;
import org.killbill.billing.catalog.DefaultPlanPhasePriceOverride;
import org.killbill.billing.catalog.api.CatalogApiException;
import org.killbill.billing.catalog.api.Currency;
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.dao.CatalogOverrideDao;
import org.killbill.billing.catalog.dao.CatalogOverridePhaseDefinitionModelDao;
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 {
final Pattern CUSTOM_PLAN_NAME_PATTERN = Pattern.compile("(.*)-(\\d+)$");
private final CatalogOverrideDao overrideDao;
@Inject
public DefaultPriceOverride(final CatalogOverrideDao overrideDao) {
this.overrideDao = overrideDao;
}
@Override
public DefaultPlan getOrCreateOverriddenPlan(final Plan parentPlan, final DateTime catalogEffectiveDate, final List<PlanPhasePriceOverride> overrides, 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 && input.getPhaseName().equals(curPhase.getName())) {
return true;
}
// If the phaseName was not passed, we infer by matching the phaseType. This obvously 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;
}
final CatalogOverridePlanDefinitionModelDao overriddenPlan = overrideDao.getOrCreateOverridePlanDefinition(parentPlan.getName(), catalogEffectiveDate, resolvedOverride, context);
final String planName = new StringBuffer(parentPlan.getName()).append("-").append(overriddenPlan.getRecordId()).toString();
final DefaultPlan result = new DefaultPlan(planName, (DefaultPlan) parentPlan, resolvedOverride);
return result;
}
@Override
public DefaultPlan getOverriddenPlan(final String planName, final StaticCatalog catalog, final InternalTenantContext context) throws CatalogApiException {
final Matcher m = CUSTOM_PLAN_NAME_PATTERN.matcher(planName);
final String parentPlanName = m.group(1);
final Long planDefRecordId = Long.parseLong(m.group(2));
final List<CatalogOverridePhaseDefinitionModelDao> phaseDefs = overrideDao.getOverriddenPlanPhases(planDefRecordId, context);
final DefaultPlan defaultPlan = (DefaultPlan) catalog.findCurrentPlan(parentPlanName);
final PlanPhasePriceOverride[] overrides = createOverrides(defaultPlan, phaseDefs);
return new DefaultPlan(planName, defaultPlan, overrides);
}
private PlanPhasePriceOverride[] createOverrides(final Plan defaultPlan, final List<CatalogOverridePhaseDefinitionModelDao> phaseDefs) {
final PlanPhasePriceOverride[] result = new PlanPhasePriceOverride[defaultPlan.getAllPhases().length];
for (int i = 0; i < defaultPlan.getAllPhases().length; i++) {
final PlanPhase curPhase = defaultPlan.getAllPhases()[i];
final CatalogOverridePhaseDefinitionModelDao overriddenPhase = Iterables.tryFind(phaseDefs, new Predicate<CatalogOverridePhaseDefinitionModelDao>() {
@Override
public boolean apply(final CatalogOverridePhaseDefinitionModelDao input) {
return input.getParentPhaseName().equals(curPhase.getName());
}
}).orNull();
result[i] = (overriddenPhase != null) ?
new DefaultPlanPhasePriceOverride(curPhase.getName(), Currency.valueOf(overriddenPhase.getCurrency()), overriddenPhase.getFixedPrice(), overriddenPhase.getRecurringPrice()) :
null;
}
return result;
}
}