org.killbill.billing.plugin.entitlement.coupon.demo.CouponDemoEntitlementPluginApi.java Source code

Introduction

Here is the source code for org.killbill.billing.plugin.entitlement.coupon.demo.CouponDemoEntitlementPluginApi.java

Source

/*
 * 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.plugin.entitlement.coupon.demo;

import com.google.common.base.Predicate;
import com.google.common.collect.Iterables;
import org.joda.time.LocalDate;
import org.killbill.billing.account.api.Account;
import org.killbill.billing.account.api.AccountApiException;
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.ProductCategory;
import org.killbill.billing.entitlement.plugin.api.EntitlementContext;
import org.killbill.billing.entitlement.plugin.api.EntitlementPluginApi;
import org.killbill.billing.entitlement.plugin.api.EntitlementPluginApiException;
import org.killbill.billing.entitlement.plugin.api.OnFailureEntitlementResult;
import org.killbill.billing.entitlement.plugin.api.OnSuccessEntitlementResult;
import org.killbill.billing.entitlement.plugin.api.OperationType;
import org.killbill.billing.entitlement.plugin.api.PriorEntitlementResult;
import org.killbill.billing.payment.api.PluginProperty;
import org.killbill.billing.plugin.entitlement.coupon.demo.catalog.DefaultPlanPhasePriceOverride;
import org.killbill.killbill.osgi.libs.killbill.OSGIKillbillAPI;
import org.killbill.killbill.osgi.libs.killbill.OSGIKillbillLogService;
import org.osgi.service.log.LogService;

import javax.annotation.Nullable;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.List;
import java.util.Properties;

public class CouponDemoEntitlementPluginApi implements EntitlementPluginApi {

    private static final String COUPON_PROPERTY = CouponActivator.PLUGIN_NAME + ":coupon";

    final OSGIKillbillLogService logService;
    final OSGIKillbillAPI killbillAPI;

    public CouponDemoEntitlementPluginApi(final Properties properties, final OSGIKillbillAPI killbillAPI,
            final OSGIKillbillLogService logService) {
        this.logService = logService;
        this.killbillAPI = killbillAPI;
    }

    @Override
    public PriorEntitlementResult priorCall(final EntitlementContext entitlementContext,
            final Iterable<PluginProperty> pluginProperties) throws EntitlementPluginApiException {

        if (entitlementContext.getOperationType() != OperationType.CREATE_SUBSCRIPTION
                || entitlementContext.getPlanPhaseSpecifier().getProductCategory() != ProductCategory.BASE) {
            return null;
        }

        final PluginProperty couponProperty = findCouponProperty(pluginProperties);
        if (couponProperty == null) {
            return null;
        }

        final PlanPhaseSpecifier spec = entitlementContext.getPlanPhaseSpecifier();

        try {
            final Account account = killbillAPI.getAccountUserApi()
                    .getAccountById(entitlementContext.getAccountId(), entitlementContext);

            final Plan plan = killbillAPI.getCatalogUserApi().getCatalog("whatever", entitlementContext)
                    .createOrFindPlan(spec.getProductName(), spec.getBillingPeriod(), spec.getPriceListName(), null,
                            entitlementContext.getEffectiveDate().toDateTimeAtCurrentTime(account.getTimeZone()));
            final PlanPhase lastPhase = plan.getFinalPhase();
            if (lastPhase.getRecurring() != null) {

                logService.log(LogService.LOG_INFO, String.format("%s overriding price for phase %s ",
                        CouponActivator.PLUGIN_NAME, lastPhase.getName()));

                final BigDecimal overridePrice = new BigDecimal((String) couponProperty.getValue());
                final List<PlanPhasePriceOverride> overrides = new ArrayList<PlanPhasePriceOverride>();
                overrides.add(new DefaultPlanPhasePriceOverride(lastPhase.getName(), account.getCurrency(), null,
                        overridePrice));
                return new DefaultPriorEntitlementResult(overrides);
            }
            return null;
        } catch (CatalogApiException e) {
            throw new EntitlementPluginApiException(e);
        } catch (AccountApiException e) {
            throw new EntitlementPluginApiException(e);
        }
    }

    @Override
    public OnSuccessEntitlementResult onSuccessCall(final EntitlementContext entitlementContext,
            final Iterable<PluginProperty> pluginProperties) throws EntitlementPluginApiException {
        return null;
    }

    @Override
    public OnFailureEntitlementResult onFailureCall(final EntitlementContext entitlementContext,
            final Iterable<PluginProperty> pluginProperties) throws EntitlementPluginApiException {
        return null;
    }

    private PluginProperty findCouponProperty(@Nullable final Iterable<PluginProperty> pluginProperties) {
        return Iterables.tryFind(pluginProperties, new Predicate<PluginProperty>() {
            @Override
            public boolean apply(@Nullable PluginProperty input) {
                return input.getKey().equals(COUPON_PROPERTY);
            }
        }).orNull();
    }
}