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add DiscountService
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‎NetLicensingClient/src/main/java/com/labs64/netlicensing/domain/Constants.java‎

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@@ -82,6 +82,9 @@ public static final class Product {
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public static final String PROP_VAT_MODE = "vatMode";
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public static final class Discount {
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public static final String ENDPOINT_PATH = "discount";
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public static final String ENDPOINT_RESOLVE_PATH = "resolve";
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public static final String CART_TOTAL = "cartTotal";
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public static final String TOTAL_PRICE = "totalPrice";
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public static final String AMOUNT_FIX = "amountFix";
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public static final String AMOUNT_PERCENT = "amountPercent";

‎NetLicensingClient/src/main/java/com/labs64/netlicensing/service/DiscountService.java‎

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/* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.labs64.netlicensing.service;
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import java.math.BigDecimal;
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import org.apache.commons.lang3.StringUtils;
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import com.labs64.netlicensing.domain.Constants;
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import com.labs64.netlicensing.domain.entity.LicenseTemplate;
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import com.labs64.netlicensing.domain.vo.Context;
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import com.labs64.netlicensing.exception.NetLicensingException;
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import com.labs64.netlicensing.exception.ServiceException;
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import com.labs64.netlicensing.provider.Form;
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import com.labs64.netlicensing.util.CheckUtils;
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/**
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* Provides discount handling routines.
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*/
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public class DiscountService {
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private static final int HTTP_STATUS_NOT_FOUND = 404;
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private static final String NOT_FOUND_EXCEPTION_PREFIX = "NotFoundException:";
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/**
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* Resolves a discount license template by product number and promo code.
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*
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* @param context
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* determines the vendor on whose behalf the call is performed
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* @param productNumber
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* product number that defines promo code uniqueness scope
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* @param promoCode
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* promo code to resolve
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* @return resolved discount license template or null if discount was not found
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* @throws NetLicensingException
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* any non-not-found service error
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*/
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public static LicenseTemplate resolve(final Context context, final String productNumber, final String promoCode)
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throws NetLicensingException {
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return resolve(context, productNumber, promoCode, null);
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}
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/**
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* Resolves a discount license template by product number and promo code.
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*
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* @param context
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* determines the vendor on whose behalf the call is performed
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* @param productNumber
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* product number that defines promo code uniqueness scope
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* @param promoCode
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* promo code to resolve
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* @param cartTotal
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* optional cart total used by the API to validate minimum cart total
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* @return resolved discount license template or null if discount was not found
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* @throws NetLicensingException
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* any non-not-found service error
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*/
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public static LicenseTemplate resolve(final Context context, final String productNumber, final String promoCode,
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final BigDecimal cartTotal) throws NetLicensingException {
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CheckUtils.paramNotEmpty(productNumber, "productNumber");
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CheckUtils.paramNotEmpty(promoCode, "promoCode");
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final Form form = new Form();
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if (cartTotal != null) {
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form.param(Constants.Product.Discount.CART_TOTAL, cartTotal.toString());
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}
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try {
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return NetLicensingService.getInstance().post(context, resolveEndpoint(productNumber, promoCode), form,
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LicenseTemplate.class);
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} catch (final ServiceException e) {
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if (isNotFound(e)) {
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return null;
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}
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throw e;
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}
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}
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private static String resolveEndpoint(final String productNumber, final String promoCode) {
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return Constants.Product.ENDPOINT_PATH + "/" + productNumber + "/"
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+ Constants.Product.Discount.ENDPOINT_PATH + "/" + promoCode + "/"
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+ Constants.Product.Discount.ENDPOINT_RESOLVE_PATH;
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}
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private static boolean isNotFound(final ServiceException e) {
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return (e.getStatusCode() == HTTP_STATUS_NOT_FOUND)
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|| StringUtils.startsWith(e.getMessage(), NOT_FOUND_EXCEPTION_PREFIX);
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}
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}

‎NetLicensingClient/src/test/java/com/labs64/netlicensing/service/DiscountServiceTest.java‎

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/* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.labs64.netlicensing.service;
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import java.math.BigDecimal;
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import jakarta.ws.rs.Consumes;
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import jakarta.ws.rs.POST;
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import jakarta.ws.rs.Path;
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import jakarta.ws.rs.PathParam;
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import jakarta.ws.rs.core.MediaType;
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import jakarta.ws.rs.core.MultivaluedMap;
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import jakarta.ws.rs.core.Response;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.BeforeEach;
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import org.junit.jupiter.api.Test;
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import com.labs64.netlicensing.domain.Constants;
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import com.labs64.netlicensing.domain.entity.LicenseTemplate;
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import com.labs64.netlicensing.domain.vo.Context;
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import com.labs64.netlicensing.domain.vo.LicenseType;
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import com.labs64.netlicensing.exception.ServiceException;
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import com.labs64.netlicensing.schema.SchemaFunction;
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import com.labs64.netlicensing.schema.context.InfoEnum;
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import com.labs64.netlicensing.schema.context.Item;
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import com.labs64.netlicensing.schema.context.Netlicensing;
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import com.labs64.netlicensing.schema.context.ObjectFactory;
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import com.labs64.netlicensing.schema.context.Property;
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import static org.junit.jupiter.api.Assertions.assertEquals;
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import static org.junit.jupiter.api.Assertions.assertNotNull;
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import static org.junit.jupiter.api.Assertions.assertNull;
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import static org.junit.jupiter.api.Assertions.assertThrows;
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/**
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* Integration tests for {@link DiscountService}.
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*/
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public class DiscountServiceTest extends BaseServiceTest {
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private static final String PRODUCT_NUMBER = "P001-TEST";
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private static final String PROMO_CODE = "PROMO-001";
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private static final String LICENSE_TEMPLATE_NUMBER = "LT-DISCOUNT-001";
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private static final String MIN_CART_TOTAL = "minCartTotal";
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private static final String PROMO_CODE_PROPERTY = "promoCode";
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private static Context context;
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@BeforeAll
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public static void setup() {
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context = createContext();
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}
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@BeforeEach
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public void resetResourceState() {
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DiscountServiceResource.lastProductNumber = null;
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DiscountServiceResource.lastPromoCode = null;
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DiscountServiceResource.lastCartTotal = null;
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}
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@Test
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public void testResolve() throws Exception {
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final LicenseTemplate discount = DiscountService.resolve(context, PRODUCT_NUMBER, PROMO_CODE);
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assertNotNull(discount);
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assertEquals(LICENSE_TEMPLATE_NUMBER, discount.getNumber());
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assertEquals("Promo discount", discount.getName());
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assertEquals(LicenseType.FEATURE, discount.getLicenseType());
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assertEquals("25", discount.getProperties().get("discountAmount"));
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assertEquals(PROMO_CODE, discount.getProperties().get(PROMO_CODE_PROPERTY));
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assertEquals(PRODUCT_NUMBER, DiscountServiceResource.lastProductNumber);
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assertEquals(PROMO_CODE, DiscountServiceResource.lastPromoCode);
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assertNull(DiscountServiceResource.lastCartTotal);
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}
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@Test
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public void testResolveWithCartTotal() throws Exception {
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final LicenseTemplate discount = DiscountService.resolve(context, PRODUCT_NUMBER, PROMO_CODE,
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new BigDecimal("100.50"));
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assertNotNull(discount);
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assertEquals(LICENSE_TEMPLATE_NUMBER, discount.getNumber());
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assertEquals("100.50", DiscountServiceResource.lastCartTotal);
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}
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@Test
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public void testResolveReturnsNullWhenDiscountDoesNotExist() throws Exception {
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final LicenseTemplate discount = DiscountService.resolve(context, PRODUCT_NUMBER, "UNKNOWN");
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assertNull(discount);
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}
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@Test
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public void testResolveRethrowsNonNotFoundServiceException() {
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final ServiceException ex = assertThrows(ServiceException.class,
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() -> DiscountService.resolve(context, PRODUCT_NUMBER, "BROKEN"));
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assertEquals("IllegalOperationException: Discount resolve failed", ex.getMessage());
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}
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@Override
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protected Class<?> getResourceClass() {
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return DiscountServiceResource.class;
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}
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@Path(REST_API_PATH + "/product/{productNumber}/discount/{promoCode}/resolve")
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public static class DiscountServiceResource {
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private static String lastProductNumber;
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private static String lastPromoCode;
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private static String lastCartTotal;
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private final ObjectFactory objectFactory = new ObjectFactory();
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@POST
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@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
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public Response resolve(@PathParam("productNumber") final String productNumber,
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@PathParam("promoCode") final String promoCode, final MultivaluedMap<String, String> formParams) {
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lastProductNumber = productNumber;
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lastPromoCode = promoCode;
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lastCartTotal = formParams.getFirst(Constants.Product.Discount.CART_TOTAL);
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if ("UNKNOWN".equals(promoCode)) {
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return notFoundResponse();
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}
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if ("BROKEN".equals(promoCode)) {
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return errorResponse("IllegalOperationException", "Discount resolve failed");
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}
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final Netlicensing netlicensing = objectFactory.createNetlicensing();
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netlicensing.setItems(objectFactory.createNetlicensingItems());
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final Item item = objectFactory.createItem();
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item.setType("LicenseTemplate");
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netlicensing.getItems().getItem().add(item);
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addProperty(item, Constants.NUMBER, LICENSE_TEMPLATE_NUMBER);
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addProperty(item, Constants.NAME, "Promo discount");
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addProperty(item, Constants.ACTIVE, Boolean.TRUE.toString());
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addProperty(item, Constants.LicenseTemplate.LICENSE_TYPE, LicenseType.FEATURE.value());
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addProperty(item, Constants.LicenseTemplate.AUTOMATIC, Boolean.FALSE.toString());
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addProperty(item, Constants.LicenseTemplate.HIDDEN, Boolean.TRUE.toString());
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addProperty(item, Constants.LicenseTemplate.HIDE_LICENSES, Boolean.TRUE.toString());
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addProperty(item, Constants.ProductModule.PRODUCT_MODULE_NUMBER, "PM-DISCOUNT-001");
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addProperty(item, PROMO_CODE_PROPERTY, promoCode);
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addProperty(item, "discountAmount", "25");
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addProperty(item, MIN_CART_TOTAL, "100");
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return Response.ok(netlicensing).build();
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}
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private Response notFoundResponse() {
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final Netlicensing netlicensing = objectFactory.createNetlicensing();
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SchemaFunction.addInfo(netlicensing, "NotFoundException", InfoEnum.ERROR,
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"Requested discount does not exist.");
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return Response.status(Response.Status.NOT_FOUND).entity(netlicensing).build();
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}
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private Response errorResponse(final String exceptionId, final String errorMessage) {
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final Netlicensing netlicensing = objectFactory.createNetlicensing();
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SchemaFunction.addInfo(netlicensing, exceptionId, InfoEnum.ERROR, errorMessage);
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return Response.status(Response.Status.BAD_REQUEST).entity(netlicensing).build();
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}
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private void addProperty(final Item item, final String name, final String value) {
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final Property property = new Property(value, name);
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item.getProperty().add(property);
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}
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}
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}

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