├── .gitignore ├── .mvn └── wrapper │ ├── maven-wrapper.jar │ └── maven-wrapper.properties ├── cart-service ├── pom.xml └── src │ └── main │ ├── java │ └── org │ │ └── vtsukur │ │ └── graphql │ │ └── demo │ │ └── cart │ │ ├── CartServiceApp.java │ │ ├── conf │ │ ├── RepositoriesConfiguration.java │ │ └── RestClientsConfiguration.java │ │ ├── deps │ │ └── ProductServiceRestClient.java │ │ ├── domain │ │ ├── Cart.java │ │ ├── CartRepository.java │ │ ├── CartService.java │ │ └── Item.java │ │ └── web │ │ ├── graphql │ │ ├── GraphQLJavaConfig.java │ │ └── spqr │ │ │ ├── CartGraph.java │ │ │ ├── GraphQLController.java │ │ │ └── ProductGraph.java │ │ └── http │ │ ├── CartController.java │ │ └── CartWithProductsProjection.java │ └── resources │ ├── application.properties │ └── schema.graphqls ├── mvnw ├── mvnw.cmd ├── pom.xml ├── product-service-api ├── pom.xml └── src │ └── main │ └── java │ └── org │ └── vtsukur │ └── graphql │ └── demo │ └── product │ └── api │ ├── Product.java │ └── Products.java └── product-service ├── pom.xml └── src └── main ├── java └── org │ └── vtsukur │ └── graphql │ └── demo │ └── product │ ├── ProductServiceApp.java │ ├── conf │ └── RepositoryConfiguration.java │ ├── domain │ ├── Product.java │ └── ProductRepository.java │ └── web │ └── ProductController.java └── resources ├── META-INF └── spring-devtools.properties └── application.properties /.gitignore: -------------------------------------------------------------------------------- 1 | .DS_Store 2 | target/ 3 | !.mvn/wrapper/maven-wrapper.jar 4 | 5 | ### STS ### 6 | .apt_generated 7 | .classpath 8 | .factorypath 9 | .project 10 | .settings 11 | .springBeans 12 | 13 | ### IntelliJ IDEA ### 14 | .idea 15 | *.iws 16 | *.iml 17 | *.ipr 18 | 19 | ### NetBeans ### 20 | nbproject/private/ 21 | build/ 22 | nbbuild/ 23 | dist/ 24 | nbdist/ 25 | .nb-gradle/ 26 | -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/vtsukur/graphql-java-online-store/bd9eb4caf8d3595dcccf93a6844007139aefbf7c/.mvn/wrapper/maven-wrapper.jar -------------------------------------------------------------------------------- /.mvn/wrapper/maven-wrapper.properties: -------------------------------------------------------------------------------- 1 | distributionUrl=https://repo1.maven.org/maven2/org/apache/maven/apache-maven/3.5.0/apache-maven-3.5.0-bin.zip 2 | -------------------------------------------------------------------------------- /cart-service/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.vtsukur.graphql.demo 7 | cart-service 8 | 0.0.1-SNAPSHOT 9 | jar 10 | 11 | 12 | org.springframework.boot 13 | spring-boot-starter-parent 14 | 1.5.13.RELEASE 15 | 16 | 17 | 18 | 19 | 20 | org.vtsukur.graphql.demo 21 | product-service-api 22 | 0.0.1-SNAPSHOT 23 | 24 | 25 | 26 | org.springframework.boot 27 | spring-boot-starter-data-jpa 28 | 29 | 30 | org.springframework.boot 31 | spring-boot-starter-web 32 | 33 | 34 | org.apache.httpcomponents 35 | httpclient 36 | 4.5.5 37 | 38 | 39 | 40 | org.projectlombok 41 | lombok 42 | true 43 | 44 | 45 | 46 | org.springframework.boot 47 | spring-boot-devtools 48 | runtime 49 | 50 | 51 | org.hsqldb 52 | hsqldb 53 | runtime 54 | 55 | 56 | 57 | org.springframework.boot 58 | spring-boot-starter-test 59 | test 60 | 61 | 62 | 63 | com.graphql-java 64 | graphql-spring-boot-starter 65 | 3.10.0 66 | 67 | 68 | com.graphql-java 69 | graphql-java 70 | 7.0 71 | 72 | 73 | com.graphql-java 74 | graphql-java-tools 75 | 4.3.0 76 | 77 | 78 | 79 | com.graphql-java 80 | graphiql-spring-boot-starter 81 | 3.10.0 82 | 83 | 84 | 85 | io.leangen.graphql 86 | spqr 87 | 0.9.6 88 | 89 | 90 | 91 | 92 | 93 | 94 | org.springframework.boot 95 | spring-boot-maven-plugin 96 | 97 | 98 | 99 | 100 | 101 | 1.8 102 | 103 | 104 | 105 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/CartServiceApp.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class CartServiceApp { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(CartServiceApp.class, args); 11 | } 12 | 13 | } 14 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/conf/RepositoriesConfiguration.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.conf; 2 | 3 | import org.springframework.boot.CommandLineRunner; 4 | import org.springframework.context.annotation.Bean; 5 | import org.springframework.context.annotation.Configuration; 6 | import org.vtsukur.graphql.demo.cart.deps.ProductServiceRestClient; 7 | import org.vtsukur.graphql.demo.cart.domain.Cart; 8 | import org.vtsukur.graphql.demo.cart.domain.CartRepository; 9 | import org.vtsukur.graphql.demo.product.api.Product; 10 | 11 | @Configuration 12 | public class RepositoriesConfiguration { 13 | 14 | @Bean 15 | public CommandLineRunner commandLineRunner(CartRepository cartRepository, 16 | ProductServiceRestClient productServiceRestClient) { 17 | return ($) -> insertInitialData(cartRepository, productServiceRestClient); 18 | } 19 | 20 | private static void insertInitialData(CartRepository cartRepository, 21 | ProductServiceRestClient productServiceRestClient) { 22 | Product product1 = productServiceRestClient.fetchProduct("59eb83c0040fa80b29938e3f"); 23 | Product product2 = productServiceRestClient.fetchProduct("59eb83c0040fa80b29938e40"); 24 | Product product3 = productServiceRestClient.fetchProduct("59eb88bd040fa8125aa9c400"); 25 | 26 | Cart cart = new Cart(); 27 | cart.addProduct(product1.getId(), product1.getPrice(), 1); 28 | cart.addProduct(product2.getId(), product2.getPrice(), 2); 29 | cart.addProduct(product3.getId(), product3.getPrice(), 1); 30 | cartRepository.save(cart); 31 | } 32 | 33 | } 34 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/conf/RestClientsConfiguration.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.conf; 2 | 3 | import org.springframework.context.annotation.Bean; 4 | import org.springframework.context.annotation.Configuration; 5 | import org.springframework.http.client.HttpComponentsClientHttpRequestFactory; 6 | import org.springframework.web.client.RestTemplate; 7 | import org.vtsukur.graphql.demo.cart.deps.ProductServiceRestClient; 8 | 9 | @Configuration 10 | public class RestClientsConfiguration { 11 | 12 | @Bean 13 | public RestTemplate restTemplate() { 14 | return new RestTemplate(new HttpComponentsClientHttpRequestFactory()); 15 | } 16 | 17 | @Bean 18 | public ProductServiceRestClient productServiceRestClient() { 19 | return new ProductServiceRestClient(restTemplate(), "http://localhost:9090"); 20 | } 21 | 22 | } 23 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/deps/ProductServiceRestClient.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.deps; 2 | 3 | import org.springframework.web.client.RestTemplate; 4 | import org.vtsukur.graphql.demo.product.api.Product; 5 | 6 | import java.net.URI; 7 | 8 | public class ProductServiceRestClient { 9 | 10 | private final RestTemplate http; 11 | 12 | private final String baseUrl; 13 | 14 | public ProductServiceRestClient(RestTemplate http, String baseUrl) { 15 | this.http = http; 16 | this.baseUrl = baseUrl; 17 | } 18 | 19 | public Product fetchProduct(String productId) { 20 | return http.getForObject(productUrl(productId), Product.class); 21 | } 22 | 23 | public URI productUrl(String productId) { 24 | return URI.create(String.format("%s/products/%s", baseUrl, productId)); 25 | } 26 | 27 | } 28 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/domain/Cart.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.domain; 2 | 3 | import lombok.Data; 4 | 5 | import javax.persistence.*; 6 | import java.math.BigDecimal; 7 | import java.util.ArrayList; 8 | import java.util.List; 9 | 10 | @Entity 11 | @Data 12 | public class Cart { 13 | 14 | @Id 15 | @GeneratedValue 16 | private Long id; 17 | 18 | @ElementCollection(fetch = FetchType.EAGER) 19 | private List items = new ArrayList<>(); 20 | 21 | public BigDecimal getSubTotal() { 22 | return getItems().stream() 23 | .map(Item::getTotal) 24 | .reduce(BigDecimal.ZERO, BigDecimal::add); 25 | } 26 | 27 | public void addProduct(String id, BigDecimal price, int quantity) { 28 | Item item = getItems().stream() 29 | .filter(p -> p.getProductId().equals(id)) 30 | .findFirst() 31 | .orElseGet(() -> { 32 | Item newItem = new Item(id, 0, BigDecimal.ZERO); 33 | getItems().add(newItem); 34 | return newItem; 35 | }); 36 | item.setQuantity(item.getQuantity() + quantity); 37 | item.setTotal(price.multiply(BigDecimal.valueOf(item.getQuantity()))); 38 | } 39 | 40 | } 41 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/domain/CartRepository.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.domain; 2 | 3 | import org.springframework.data.repository.CrudRepository; 4 | 5 | public interface CartRepository extends CrudRepository { 6 | } 7 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/domain/CartService.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.domain; 2 | 3 | import org.springframework.beans.factory.annotation.Autowired; 4 | import org.springframework.stereotype.Component; 5 | import org.vtsukur.graphql.demo.cart.deps.ProductServiceRestClient; 6 | import org.vtsukur.graphql.demo.product.api.Product; 7 | 8 | @Component 9 | public class CartService { 10 | 11 | private final CartRepository cartRepository; 12 | 13 | private final ProductServiceRestClient productServiceRestClient; 14 | 15 | @Autowired 16 | public CartService(CartRepository cartRepository, ProductServiceRestClient productServiceRestClient) { 17 | this.cartRepository = cartRepository; 18 | this.productServiceRestClient = productServiceRestClient; 19 | } 20 | 21 | public Cart findCart(Long cartId) { 22 | return cartRepository.findOne(cartId); 23 | } 24 | 25 | public Cart addProductToCart(Long cartId, String productId, int quantity) { 26 | Cart cart = cartRepository.findOne(cartId); 27 | Product product = productServiceRestClient.fetchProduct(productId); 28 | cart.addProduct(product.getId(), product.getPrice(), quantity); 29 | return cartRepository.save(cart); 30 | } 31 | 32 | } 33 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/domain/Item.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.domain; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | 7 | import javax.persistence.Column; 8 | import javax.persistence.Embeddable; 9 | import java.math.BigDecimal; 10 | 11 | @Embeddable 12 | @Data 13 | @NoArgsConstructor 14 | @AllArgsConstructor 15 | public class Item { 16 | 17 | @Column(nullable = false) 18 | private String productId; 19 | 20 | @Column(nullable = false) 21 | private int quantity; 22 | 23 | @Column(nullable = false) 24 | private BigDecimal total; 25 | 26 | Item(String productId, BigDecimal productPrice, int quantity) { 27 | this.productId = productId; 28 | this.quantity = quantity; 29 | this.total = BigDecimal.valueOf(quantity).multiply(productPrice); 30 | } 31 | 32 | } 33 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/web/graphql/GraphQLJavaConfig.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.web.graphql; 2 | 3 | import com.coxautodev.graphql.tools.GraphQLMutationResolver; 4 | import com.coxautodev.graphql.tools.GraphQLQueryResolver; 5 | import com.coxautodev.graphql.tools.GraphQLResolver; 6 | import org.springframework.beans.factory.annotation.Autowired; 7 | import org.springframework.context.annotation.Bean; 8 | import org.springframework.context.annotation.Configuration; 9 | import org.springframework.web.client.RestTemplate; 10 | import org.vtsukur.graphql.demo.cart.domain.Cart; 11 | import org.vtsukur.graphql.demo.cart.domain.Item; 12 | import org.vtsukur.graphql.demo.cart.domain.CartService; 13 | import org.vtsukur.graphql.demo.product.api.Product; 14 | 15 | import java.util.List; 16 | 17 | @Configuration 18 | public class GraphQLJavaConfig { 19 | 20 | private final CartService cartService; 21 | 22 | private final RestTemplate http; 23 | 24 | @Autowired 25 | public GraphQLJavaConfig(CartService cartService, RestTemplate http) { 26 | this.cartService = cartService; 27 | this.http = http; 28 | } 29 | 30 | @Bean 31 | public GraphQLQueryResolver query() { 32 | return new GraphQLQueryResolver() { 33 | public String hello() { return "Hello, Unicorns!"; } 34 | public Cart cart(Long id) { return cartService.findCart(id); } 35 | }; 36 | } 37 | 38 | @Bean 39 | public GraphQLResolver cartItemResolver() { 40 | return new GraphQLResolver() { 41 | public Product product(Item item) { 42 | return http.getForObject("http://localhost:9090/products/{id}", 43 | Product.class, 44 | item.getProductId()); 45 | } 46 | }; 47 | } 48 | 49 | @Bean 50 | public GraphQLResolver productResolver() { 51 | return new GraphQLResolver() { 52 | public List images(Product product, int limit) { 53 | return product.getImages().subList( 54 | 0, limit > 0 ? limit : product.getImages().size()); 55 | } 56 | }; 57 | } 58 | 59 | @Bean 60 | public GraphQLMutationResolver mutations() { 61 | return new GraphQLMutationResolver() { 62 | public Cart addProductToCart(Long cartId, String productId, int quantity) { 63 | return cartService.addProductToCart(cartId, productId, quantity); 64 | } 65 | }; 66 | } 67 | 68 | } 69 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/web/graphql/spqr/CartGraph.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.web.graphql.spqr; 2 | 3 | import io.leangen.graphql.annotations.GraphQLArgument; 4 | import io.leangen.graphql.annotations.GraphQLMutation; 5 | import io.leangen.graphql.annotations.GraphQLQuery; 6 | import lombok.extern.slf4j.Slf4j; 7 | import org.springframework.beans.factory.annotation.Autowired; 8 | import org.springframework.stereotype.Component; 9 | import org.vtsukur.graphql.demo.cart.domain.Cart; 10 | import org.vtsukur.graphql.demo.cart.domain.CartService; 11 | 12 | @Component 13 | @Slf4j 14 | public class CartGraph { 15 | 16 | private final CartService cartService; 17 | 18 | @Autowired 19 | public CartGraph(CartService cartService) { 20 | this.cartService = cartService; 21 | } 22 | 23 | @GraphQLQuery(name = "cart") 24 | public Cart cart(@GraphQLArgument(name = "id") Long id) { 25 | log.info("fetching cart with id={}", id); 26 | return cartService.findCart(id); 27 | } 28 | 29 | @GraphQLMutation(name = "addProductToCart") 30 | public Cart addProductToCart(@GraphQLArgument(name = "cartId") Long cartId, 31 | @GraphQLArgument(name = "productId") String productId, 32 | @GraphQLArgument(name = "quantity", defaultValue = "1") int quantity) { 33 | log.info("adding {} product(s) with id={} to cart with id={}", quantity, productId, cartId); 34 | return cartService.addProductToCart(cartId, productId, quantity); 35 | } 36 | 37 | } 38 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/web/graphql/spqr/GraphQLController.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.web.graphql.spqr; 2 | 3 | import graphql.ExecutionInput; 4 | import graphql.ExecutionResult; 5 | import graphql.GraphQL; 6 | import graphql.analysis.MaxQueryComplexityInstrumentation; 7 | import graphql.analysis.MaxQueryDepthInstrumentation; 8 | import graphql.execution.batched.BatchedExecutionStrategy; 9 | import graphql.execution.instrumentation.ChainedInstrumentation; 10 | import graphql.schema.GraphQLSchema; 11 | import io.leangen.graphql.GraphQLSchemaGenerator; 12 | import io.leangen.graphql.metadata.strategy.query.AnnotatedResolverBuilder; 13 | import io.leangen.graphql.metadata.strategy.query.BeanResolverBuilder; 14 | import io.leangen.graphql.metadata.strategy.query.PublicResolverBuilder; 15 | import io.leangen.graphql.metadata.strategy.value.jackson.JacksonValueMapperFactory; 16 | import org.springframework.beans.factory.annotation.Autowired; 17 | import org.springframework.http.MediaType; 18 | import org.springframework.web.bind.annotation.PostMapping; 19 | import org.springframework.web.bind.annotation.RequestBody; 20 | import org.springframework.web.bind.annotation.ResponseBody; 21 | import org.springframework.web.bind.annotation.RestController; 22 | 23 | import java.util.Arrays; 24 | import java.util.Map; 25 | 26 | @RestController 27 | public class GraphQLController { 28 | 29 | private final GraphQL graphQL; 30 | 31 | @Autowired 32 | public GraphQLController(CartGraph cartGraph, ProductGraph productQuery) { 33 | GraphQLSchema schema = new GraphQLSchemaGenerator() 34 | .withResolverBuilders( 35 | new BeanResolverBuilder("org.vtsukur.graphql.demo.cart.domain"), 36 | // Resolve by annotations. 37 | new AnnotatedResolverBuilder(), 38 | // Resolve public methods inside root package. 39 | new PublicResolverBuilder("org.vtsukur.graphql.demo.cart.web.graphql.spqr")) 40 | .withOperationsFromSingleton(cartGraph) 41 | .withOperationsFromSingleton(productQuery) 42 | .withValueMapperFactory(new JacksonValueMapperFactory()) 43 | .generate(); 44 | graphQL = GraphQL.newGraphQL(schema) 45 | .queryExecutionStrategy(new BatchedExecutionStrategy()) 46 | .instrumentation(new ChainedInstrumentation(Arrays.asList( 47 | new MaxQueryComplexityInstrumentation(200), 48 | new MaxQueryDepthInstrumentation(20) 49 | ))) 50 | .build(); 51 | } 52 | 53 | @PostMapping(value = "/graphql", consumes = MediaType.APPLICATION_JSON_UTF8_VALUE, produces = MediaType.APPLICATION_JSON_UTF8_VALUE) 54 | @ResponseBody 55 | public ExecutionResult execute(@RequestBody Map request) { 56 | return graphQL.execute(ExecutionInput.newExecutionInput() 57 | .query((String) request.get("query")) 58 | .operationName((String) request.get("operationName")) 59 | .build()); 60 | } 61 | 62 | } 63 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/web/graphql/spqr/ProductGraph.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.web.graphql.spqr; 2 | 3 | import graphql.execution.batched.Batched; 4 | import io.leangen.graphql.annotations.GraphQLArgument; 5 | import io.leangen.graphql.annotations.GraphQLContext; 6 | import io.leangen.graphql.annotations.GraphQLEnvironment; 7 | import io.leangen.graphql.annotations.GraphQLQuery; 8 | import lombok.extern.slf4j.Slf4j; 9 | import org.springframework.beans.factory.annotation.Autowired; 10 | import org.springframework.stereotype.Component; 11 | import org.springframework.web.client.RestTemplate; 12 | import org.vtsukur.graphql.demo.cart.domain.Item; 13 | import org.vtsukur.graphql.demo.product.api.Product; 14 | import org.vtsukur.graphql.demo.product.api.Products; 15 | 16 | import java.util.List; 17 | import java.util.Set; 18 | 19 | import static java.util.stream.Collectors.joining; 20 | 21 | @Component 22 | @Slf4j 23 | public class ProductGraph { 24 | 25 | private final RestTemplate http; 26 | 27 | @Autowired 28 | public ProductGraph(RestTemplate http) { 29 | this.http = http; 30 | } 31 | 32 | @GraphQLQuery(name = "product") 33 | @Batched 34 | public List products(@GraphQLContext List items, 35 | @GraphQLEnvironment Set subFields) { 36 | return http.getForObject( 37 | "http://localhost:9090/products?ids={id}", 38 | Products.class, 39 | items.stream().map(Item::getProductId).collect(joining(",")), 40 | String.join(",", subFields) 41 | ).getProducts(); 42 | } 43 | 44 | @GraphQLQuery(name = "images") 45 | public List images(@GraphQLContext Product product, 46 | @GraphQLArgument(name = "limit", defaultValue = "0") int limit) { 47 | return product.getImages().subList( 48 | 0, limit > 0 ? limit : product.getImages().size()); 49 | } 50 | 51 | } 52 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/web/http/CartController.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.web.http; 2 | 3 | import lombok.val; 4 | import org.springframework.beans.factory.annotation.Autowired; 5 | import org.springframework.web.bind.annotation.*; 6 | import org.vtsukur.graphql.demo.cart.deps.ProductServiceRestClient; 7 | import org.vtsukur.graphql.demo.cart.domain.Cart; 8 | import org.vtsukur.graphql.demo.cart.domain.Item; 9 | import org.vtsukur.graphql.demo.cart.domain.CartService; 10 | import org.vtsukur.graphql.demo.product.api.Product; 11 | 12 | import java.util.List; 13 | import java.util.stream.Collectors; 14 | 15 | @RestController 16 | public class CartController { 17 | 18 | private final CartService cartService; 19 | 20 | private final ProductServiceRestClient productServiceRestClient; 21 | 22 | @Autowired 23 | public CartController(CartService cartService, ProductServiceRestClient productServiceRestClient) { 24 | this.cartService = cartService; 25 | this.productServiceRestClient = productServiceRestClient; 26 | } 27 | 28 | @RequestMapping("/carts/{id}") 29 | @ResponseBody 30 | public Object get(@PathVariable Long id, 31 | @RequestParam(value = "projection", required = false) String projection) { 32 | val cart = cartService.findCart(id); 33 | if ("with-products".equals(projection)) { 34 | return getProjectionWithProducts(cart); 35 | } 36 | return cart; 37 | } 38 | 39 | private CartWithProductsProjection getProjectionWithProducts(Cart source) { 40 | val cart = new CartWithProductsProjection(); 41 | cart.setId(source.getId()); 42 | cart.setItems(toItemsWithProducts(source.getItems())); 43 | cart.setSubTotal(source.getSubTotal()); 44 | return cart; 45 | } 46 | 47 | private List toItemsWithProducts(List source) { 48 | return source.stream().map(sourceItem -> { 49 | val item = new CartWithProductsProjection.Item(); 50 | item.setProduct(toProductProjection(productServiceRestClient.fetchProduct(sourceItem.getProductId()))); 51 | item.setQuantity(sourceItem.getQuantity()); 52 | item.setTotal(sourceItem.getTotal()); 53 | return item; 54 | }).collect(Collectors.toList()); 55 | } 56 | 57 | private CartWithProductsProjection.Item.ProductProjection toProductProjection(Product source) { 58 | val product = new CartWithProductsProjection.Item.ProductProjection(); 59 | product.setId(source.getId()); 60 | product.setTitle(source.getTitle()); 61 | product.setPrice(source.getPrice()); 62 | product.setSku(source.getSku()); 63 | product.setImage(source.getImages().get(0)); 64 | return product; 65 | } 66 | 67 | } 68 | -------------------------------------------------------------------------------- /cart-service/src/main/java/org/vtsukur/graphql/demo/cart/web/http/CartWithProductsProjection.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.cart.web.http; 2 | 3 | import lombok.Data; 4 | 5 | import java.math.BigDecimal; 6 | import java.util.List; 7 | 8 | @Data 9 | public class CartWithProductsProjection { 10 | 11 | private Long id; 12 | 13 | private List items; 14 | 15 | private BigDecimal subTotal; 16 | 17 | @Data 18 | public static class Item { 19 | 20 | private ProductProjection product; 21 | 22 | private int quantity; 23 | 24 | private BigDecimal total; 25 | 26 | @Data 27 | public static class ProductProjection { 28 | 29 | private String id; 30 | 31 | private String title; 32 | 33 | private BigDecimal price; 34 | 35 | private String image; 36 | 37 | private String sku; 38 | 39 | } 40 | 41 | } 42 | 43 | } 44 | -------------------------------------------------------------------------------- /cart-service/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | logging.pattern.console=%clr(${LOG_LEVEL_PATTERN:-%5p}) %clr(%-40.40logger{39}){cyan} %clr(:){faint} %m%n${LOG_EXCEPTION_CONVERSION_WORD:-%wEx} 2 | logging.level.org.apache.http.wire=INFO 3 | 4 | graphql.servlet.enabled=false 5 | -------------------------------------------------------------------------------- /cart-service/src/main/resources/schema.graphqls: -------------------------------------------------------------------------------- 1 | schema { 2 | query: EntryPoint 3 | mutation: Mutations 4 | } 5 | 6 | type EntryPoint { 7 | hello: String @deprecated(reason: "just playing around!") 8 | cart(id: ID!): Cart 9 | } 10 | 11 | type Cart { 12 | id: ID! 13 | items: [Item!]! 14 | subTotal: Float! 15 | } 16 | 17 | type Item { 18 | quantity: Int! 19 | product: Product! 20 | total: BigDecimal! 21 | } 22 | 23 | type Product { 24 | id: ID! 25 | title: String! 26 | price: BigDecimal! 27 | description: String 28 | sku: String! 29 | images(limit: Int = 0): [String!]! 30 | } 31 | 32 | type Mutations { 33 | addProductToCart(cartId: ID!, productId: ID!, quantity: Int = 0): Cart 34 | } 35 | -------------------------------------------------------------------------------- /mvnw: -------------------------------------------------------------------------------- 1 | #!/bin/sh 2 | # ---------------------------------------------------------------------------- 3 | # Licensed to the Apache Software Foundation (ASF) under one 4 | # or more contributor license agreements. See the NOTICE file 5 | # distributed with this work for additional information 6 | # regarding copyright ownership. The ASF licenses this file 7 | # to you under the Apache License, Version 2.0 (the 8 | # "License"); you may not use this file except in compliance 9 | # with the License. You may obtain a copy of the License at 10 | # 11 | # http://www.apache.org/licenses/LICENSE-2.0 12 | # 13 | # Unless required by applicable law or agreed to in writing, 14 | # software distributed under the License is distributed on an 15 | # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 | # KIND, either express or implied. See the License for the 17 | # specific language governing permissions and limitations 18 | # under the License. 19 | # ---------------------------------------------------------------------------- 20 | 21 | # ---------------------------------------------------------------------------- 22 | # Maven2 Start Up Batch script 23 | # 24 | # Required ENV vars: 25 | # ------------------ 26 | # JAVA_HOME - location of a JDK home dir 27 | # 28 | # Optional ENV vars 29 | # ----------------- 30 | # M2_HOME - location of maven2's installed home dir 31 | # MAVEN_OPTS - parameters passed to the Java VM when running Maven 32 | # e.g. to debug Maven itself, use 33 | # set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 34 | # MAVEN_SKIP_RC - flag to disable loading of mavenrc files 35 | # ---------------------------------------------------------------------------- 36 | 37 | if [ -z "$MAVEN_SKIP_RC" ] ; then 38 | 39 | if [ -f /etc/mavenrc ] ; then 40 | . /etc/mavenrc 41 | fi 42 | 43 | if [ -f "$HOME/.mavenrc" ] ; then 44 | . "$HOME/.mavenrc" 45 | fi 46 | 47 | fi 48 | 49 | # OS specific support. $var _must_ be set to either true or false. 50 | cygwin=false; 51 | darwin=false; 52 | mingw=false 53 | case "`uname`" in 54 | CYGWIN*) cygwin=true ;; 55 | MINGW*) mingw=true;; 56 | Darwin*) darwin=true 57 | # Use /usr/libexec/java_home if available, otherwise fall back to /Library/Java/Home 58 | # See https://developer.apple.com/library/mac/qa/qa1170/_index.html 59 | if [ -z "$JAVA_HOME" ]; then 60 | if [ -x "/usr/libexec/java_home" ]; then 61 | export JAVA_HOME="`/usr/libexec/java_home`" 62 | else 63 | export JAVA_HOME="/Library/Java/Home" 64 | fi 65 | fi 66 | ;; 67 | esac 68 | 69 | if [ -z "$JAVA_HOME" ] ; then 70 | if [ -r /etc/gentoo-release ] ; then 71 | JAVA_HOME=`java-config --jre-home` 72 | fi 73 | fi 74 | 75 | if [ -z "$M2_HOME" ] ; then 76 | ## resolve links - $0 may be a link to maven's home 77 | PRG="$0" 78 | 79 | # need this for relative symlinks 80 | while [ -h "$PRG" ] ; do 81 | ls=`ls -ld "$PRG"` 82 | link=`expr "$ls" : '.*-> \(.*\)$'` 83 | if expr "$link" : '/.*' > /dev/null; then 84 | PRG="$link" 85 | else 86 | PRG="`dirname "$PRG"`/$link" 87 | fi 88 | done 89 | 90 | saveddir=`pwd` 91 | 92 | M2_HOME=`dirname "$PRG"`/.. 93 | 94 | # make it fully qualified 95 | M2_HOME=`cd "$M2_HOME" && pwd` 96 | 97 | cd "$saveddir" 98 | # echo Using m2 at $M2_HOME 99 | fi 100 | 101 | # For Cygwin, ensure paths are in UNIX format before anything is touched 102 | if $cygwin ; then 103 | [ -n "$M2_HOME" ] && 104 | M2_HOME=`cygpath --unix "$M2_HOME"` 105 | [ -n "$JAVA_HOME" ] && 106 | JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 107 | [ -n "$CLASSPATH" ] && 108 | CLASSPATH=`cygpath --path --unix "$CLASSPATH"` 109 | fi 110 | 111 | # For Migwn, ensure paths are in UNIX format before anything is touched 112 | if $mingw ; then 113 | [ -n "$M2_HOME" ] && 114 | M2_HOME="`(cd "$M2_HOME"; pwd)`" 115 | [ -n "$JAVA_HOME" ] && 116 | JAVA_HOME="`(cd "$JAVA_HOME"; pwd)`" 117 | # TODO classpath? 118 | fi 119 | 120 | if [ -z "$JAVA_HOME" ]; then 121 | javaExecutable="`which javac`" 122 | if [ -n "$javaExecutable" ] && ! [ "`expr \"$javaExecutable\" : '\([^ ]*\)'`" = "no" ]; then 123 | # readlink(1) is not available as standard on Solaris 10. 124 | readLink=`which readlink` 125 | if [ ! `expr "$readLink" : '\([^ ]*\)'` = "no" ]; then 126 | if $darwin ; then 127 | javaHome="`dirname \"$javaExecutable\"`" 128 | javaExecutable="`cd \"$javaHome\" && pwd -P`/javac" 129 | else 130 | javaExecutable="`readlink -f \"$javaExecutable\"`" 131 | fi 132 | javaHome="`dirname \"$javaExecutable\"`" 133 | javaHome=`expr "$javaHome" : '\(.*\)/bin'` 134 | JAVA_HOME="$javaHome" 135 | export JAVA_HOME 136 | fi 137 | fi 138 | fi 139 | 140 | if [ -z "$JAVACMD" ] ; then 141 | if [ -n "$JAVA_HOME" ] ; then 142 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 143 | # IBM's JDK on AIX uses strange locations for the executables 144 | JAVACMD="$JAVA_HOME/jre/sh/java" 145 | else 146 | JAVACMD="$JAVA_HOME/bin/java" 147 | fi 148 | else 149 | JAVACMD="`which java`" 150 | fi 151 | fi 152 | 153 | if [ ! -x "$JAVACMD" ] ; then 154 | echo "Error: JAVA_HOME is not defined correctly." >&2 155 | echo " We cannot execute $JAVACMD" >&2 156 | exit 1 157 | fi 158 | 159 | if [ -z "$JAVA_HOME" ] ; then 160 | echo "Warning: JAVA_HOME environment variable is not set." 161 | fi 162 | 163 | CLASSWORLDS_LAUNCHER=org.codehaus.plexus.classworlds.launcher.Launcher 164 | 165 | # traverses directory structure from process work directory to filesystem root 166 | # first directory with .mvn subdirectory is considered project base directory 167 | find_maven_basedir() { 168 | 169 | if [ -z "$1" ] 170 | then 171 | echo "Path not specified to find_maven_basedir" 172 | return 1 173 | fi 174 | 175 | basedir="$1" 176 | wdir="$1" 177 | while [ "$wdir" != '/' ] ; do 178 | if [ -d "$wdir"/.mvn ] ; then 179 | basedir=$wdir 180 | break 181 | fi 182 | # workaround for JBEAP-8937 (on Solaris 10/Sparc) 183 | if [ -d "${wdir}" ]; then 184 | wdir=`cd "$wdir/.."; pwd` 185 | fi 186 | # end of workaround 187 | done 188 | echo "${basedir}" 189 | } 190 | 191 | # concatenates all lines of a file 192 | concat_lines() { 193 | if [ -f "$1" ]; then 194 | echo "$(tr -s '\n' ' ' < "$1")" 195 | fi 196 | } 197 | 198 | BASE_DIR=`find_maven_basedir "$(pwd)"` 199 | if [ -z "$BASE_DIR" ]; then 200 | exit 1; 201 | fi 202 | 203 | export MAVEN_PROJECTBASEDIR=${MAVEN_BASEDIR:-"$BASE_DIR"} 204 | echo $MAVEN_PROJECTBASEDIR 205 | MAVEN_OPTS="$(concat_lines "$MAVEN_PROJECTBASEDIR/.mvn/jvm.config") $MAVEN_OPTS" 206 | 207 | # For Cygwin, switch paths to Windows format before running java 208 | if $cygwin; then 209 | [ -n "$M2_HOME" ] && 210 | M2_HOME=`cygpath --path --windows "$M2_HOME"` 211 | [ -n "$JAVA_HOME" ] && 212 | JAVA_HOME=`cygpath --path --windows "$JAVA_HOME"` 213 | [ -n "$CLASSPATH" ] && 214 | CLASSPATH=`cygpath --path --windows "$CLASSPATH"` 215 | [ -n "$MAVEN_PROJECTBASEDIR" ] && 216 | MAVEN_PROJECTBASEDIR=`cygpath --path --windows "$MAVEN_PROJECTBASEDIR"` 217 | fi 218 | 219 | WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 220 | 221 | exec "$JAVACMD" \ 222 | $MAVEN_OPTS \ 223 | -classpath "$MAVEN_PROJECTBASEDIR/.mvn/wrapper/maven-wrapper.jar" \ 224 | "-Dmaven.home=${M2_HOME}" "-Dmaven.multiModuleProjectDirectory=${MAVEN_PROJECTBASEDIR}" \ 225 | ${WRAPPER_LAUNCHER} $MAVEN_CONFIG "$@" 226 | -------------------------------------------------------------------------------- /mvnw.cmd: -------------------------------------------------------------------------------- 1 | @REM ---------------------------------------------------------------------------- 2 | @REM Licensed to the Apache Software Foundation (ASF) under one 3 | @REM or more contributor license agreements. See the NOTICE file 4 | @REM distributed with this work for additional information 5 | @REM regarding copyright ownership. The ASF licenses this file 6 | @REM to you under the Apache License, Version 2.0 (the 7 | @REM "License"); you may not use this file except in compliance 8 | @REM with the License. You may obtain a copy of the License at 9 | @REM 10 | @REM http://www.apache.org/licenses/LICENSE-2.0 11 | @REM 12 | @REM Unless required by applicable law or agreed to in writing, 13 | @REM software distributed under the License is distributed on an 14 | @REM "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 | @REM KIND, either express or implied. See the License for the 16 | @REM specific language governing permissions and limitations 17 | @REM under the License. 18 | @REM ---------------------------------------------------------------------------- 19 | 20 | @REM ---------------------------------------------------------------------------- 21 | @REM Maven2 Start Up Batch script 22 | @REM 23 | @REM Required ENV vars: 24 | @REM JAVA_HOME - location of a JDK home dir 25 | @REM 26 | @REM Optional ENV vars 27 | @REM M2_HOME - location of maven2's installed home dir 28 | @REM MAVEN_BATCH_ECHO - set to 'on' to enable the echoing of the batch commands 29 | @REM MAVEN_BATCH_PAUSE - set to 'on' to wait for a key stroke before ending 30 | @REM MAVEN_OPTS - parameters passed to the Java VM when running Maven 31 | @REM e.g. to debug Maven itself, use 32 | @REM set MAVEN_OPTS=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=8000 33 | @REM MAVEN_SKIP_RC - flag to disable loading of mavenrc files 34 | @REM ---------------------------------------------------------------------------- 35 | 36 | @REM Begin all REM lines with '@' in case MAVEN_BATCH_ECHO is 'on' 37 | @echo off 38 | @REM enable echoing my setting MAVEN_BATCH_ECHO to 'on' 39 | @if "%MAVEN_BATCH_ECHO%" == "on" echo %MAVEN_BATCH_ECHO% 40 | 41 | @REM set %HOME% to equivalent of $HOME 42 | if "%HOME%" == "" (set "HOME=%HOMEDRIVE%%HOMEPATH%") 43 | 44 | @REM Execute a user defined script before this one 45 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPre 46 | @REM check for pre script, once with legacy .bat ending and once with .cmd ending 47 | if exist "%HOME%\mavenrc_pre.bat" call "%HOME%\mavenrc_pre.bat" 48 | if exist "%HOME%\mavenrc_pre.cmd" call "%HOME%\mavenrc_pre.cmd" 49 | :skipRcPre 50 | 51 | @setlocal 52 | 53 | set ERROR_CODE=0 54 | 55 | @REM To isolate internal variables from possible post scripts, we use another setlocal 56 | @setlocal 57 | 58 | @REM ==== START VALIDATION ==== 59 | if not "%JAVA_HOME%" == "" goto OkJHome 60 | 61 | echo. 62 | echo Error: JAVA_HOME not found in your environment. >&2 63 | echo Please set the JAVA_HOME variable in your environment to match the >&2 64 | echo location of your Java installation. >&2 65 | echo. 66 | goto error 67 | 68 | :OkJHome 69 | if exist "%JAVA_HOME%\bin\java.exe" goto init 70 | 71 | echo. 72 | echo Error: JAVA_HOME is set to an invalid directory. >&2 73 | echo JAVA_HOME = "%JAVA_HOME%" >&2 74 | echo Please set the JAVA_HOME variable in your environment to match the >&2 75 | echo location of your Java installation. >&2 76 | echo. 77 | goto error 78 | 79 | @REM ==== END VALIDATION ==== 80 | 81 | :init 82 | 83 | @REM Find the project base dir, i.e. the directory that contains the folder ".mvn". 84 | @REM Fallback to current working directory if not found. 85 | 86 | set MAVEN_PROJECTBASEDIR=%MAVEN_BASEDIR% 87 | IF NOT "%MAVEN_PROJECTBASEDIR%"=="" goto endDetectBaseDir 88 | 89 | set EXEC_DIR=%CD% 90 | set WDIR=%EXEC_DIR% 91 | :findBaseDir 92 | IF EXIST "%WDIR%"\.mvn goto baseDirFound 93 | cd .. 94 | IF "%WDIR%"=="%CD%" goto baseDirNotFound 95 | set WDIR=%CD% 96 | goto findBaseDir 97 | 98 | :baseDirFound 99 | set MAVEN_PROJECTBASEDIR=%WDIR% 100 | cd "%EXEC_DIR%" 101 | goto endDetectBaseDir 102 | 103 | :baseDirNotFound 104 | set MAVEN_PROJECTBASEDIR=%EXEC_DIR% 105 | cd "%EXEC_DIR%" 106 | 107 | :endDetectBaseDir 108 | 109 | IF NOT EXIST "%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config" goto endReadAdditionalConfig 110 | 111 | @setlocal EnableExtensions EnableDelayedExpansion 112 | for /F "usebackq delims=" %%a in ("%MAVEN_PROJECTBASEDIR%\.mvn\jvm.config") do set JVM_CONFIG_MAVEN_PROPS=!JVM_CONFIG_MAVEN_PROPS! %%a 113 | @endlocal & set JVM_CONFIG_MAVEN_PROPS=%JVM_CONFIG_MAVEN_PROPS% 114 | 115 | :endReadAdditionalConfig 116 | 117 | SET MAVEN_JAVA_EXE="%JAVA_HOME%\bin\java.exe" 118 | 119 | set WRAPPER_JAR="%MAVEN_PROJECTBASEDIR%\.mvn\wrapper\maven-wrapper.jar" 120 | set WRAPPER_LAUNCHER=org.apache.maven.wrapper.MavenWrapperMain 121 | 122 | %MAVEN_JAVA_EXE% %JVM_CONFIG_MAVEN_PROPS% %MAVEN_OPTS% %MAVEN_DEBUG_OPTS% -classpath %WRAPPER_JAR% "-Dmaven.multiModuleProjectDirectory=%MAVEN_PROJECTBASEDIR%" %WRAPPER_LAUNCHER% %MAVEN_CONFIG% %* 123 | if ERRORLEVEL 1 goto error 124 | goto end 125 | 126 | :error 127 | set ERROR_CODE=1 128 | 129 | :end 130 | @endlocal & set ERROR_CODE=%ERROR_CODE% 131 | 132 | if not "%MAVEN_SKIP_RC%" == "" goto skipRcPost 133 | @REM check for post script, once with legacy .bat ending and once with .cmd ending 134 | if exist "%HOME%\mavenrc_post.bat" call "%HOME%\mavenrc_post.bat" 135 | if exist "%HOME%\mavenrc_post.cmd" call "%HOME%\mavenrc_post.cmd" 136 | :skipRcPost 137 | 138 | @REM pause the script if MAVEN_BATCH_PAUSE is set to 'on' 139 | if "%MAVEN_BATCH_PAUSE%" == "on" pause 140 | 141 | if "%MAVEN_TERMINATE_CMD%" == "on" exit %ERROR_CODE% 142 | 143 | exit /B %ERROR_CODE% 144 | -------------------------------------------------------------------------------- /pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.vtsukur.graphql.demo 7 | graphql-java-online-store 8 | 0.0.1-SNAPSHOT 9 | pom 10 | 11 | graphql-java-online-store 12 | Demo of Spring-based GraphQL server in Java 13 | 14 | 15 | cart-service 16 | product-service 17 | product-service-api 18 | 19 | 20 | 21 | -------------------------------------------------------------------------------- /product-service-api/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | product-service-api 7 | 0.0.1-SNAPSHOT 8 | jar 9 | 10 | 11 | org.vtsukur.graphql.demo 12 | graphql-java-online-store 13 | 0.0.1-SNAPSHOT 14 | 15 | 16 | 17 | 18 | com.fasterxml.jackson.core 19 | jackson-annotations 20 | 2.8.0 21 | 22 | 23 | 24 | org.projectlombok 25 | lombok 26 | 1.16.20 27 | true 28 | 29 | 30 | 31 | 32 | 33 | 34 | org.apache.maven.plugins 35 | maven-compiler-plugin 36 | 3.7.0 37 | 38 | 1.8 39 | 1.8 40 | 41 | 42 | 43 | 44 | 45 | 46 | -------------------------------------------------------------------------------- /product-service-api/src/main/java/org/vtsukur/graphql/demo/product/api/Product.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.product.api; 2 | 3 | import com.fasterxml.jackson.annotation.JsonInclude; 4 | import lombok.Data; 5 | 6 | import java.math.BigDecimal; 7 | import java.util.List; 8 | 9 | @Data 10 | @JsonInclude(JsonInclude.Include.NON_NULL) 11 | public class Product { 12 | 13 | private String id; 14 | 15 | private String title; 16 | 17 | private BigDecimal price; 18 | 19 | private String description; 20 | 21 | private String sku; 22 | 23 | private List images; 24 | 25 | } 26 | -------------------------------------------------------------------------------- /product-service-api/src/main/java/org/vtsukur/graphql/demo/product/api/Products.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.product.api; 2 | 3 | import lombok.AllArgsConstructor; 4 | import lombok.Data; 5 | import lombok.NoArgsConstructor; 6 | 7 | import java.util.List; 8 | 9 | @Data 10 | @NoArgsConstructor 11 | @AllArgsConstructor 12 | public class Products { 13 | 14 | private List products; 15 | 16 | } 17 | -------------------------------------------------------------------------------- /product-service/pom.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 4.0.0 5 | 6 | org.vtsukur.graphql.demo 7 | product-service 8 | 0.0.1-SNAPSHOT 9 | jar 10 | 11 | 12 | org.springframework.boot 13 | spring-boot-starter-parent 14 | 1.5.13.RELEASE 15 | 16 | 17 | 18 | 19 | 20 | org.vtsukur.graphql.demo 21 | product-service-api 22 | 0.0.1-SNAPSHOT 23 | 24 | 25 | 26 | org.springframework.boot 27 | spring-boot-starter-data-mongodb 28 | 29 | 30 | org.springframework.boot 31 | spring-boot-starter-web 32 | 33 | 34 | de.flapdoodle.embed 35 | de.flapdoodle.embed.mongo 36 | 2.0.3 37 | 38 | 39 | cz.jirutka.spring 40 | embedmongo-spring 41 | 1.3.1 42 | 43 | 44 | net.sf.dozer 45 | dozer 46 | 5.5.1 47 | 48 | 49 | 50 | org.projectlombok 51 | lombok 52 | true 53 | 54 | 55 | 56 | org.springframework.boot 57 | spring-boot-devtools 58 | runtime 59 | 60 | 61 | 62 | org.springframework.boot 63 | spring-boot-starter-test 64 | test 65 | 66 | 67 | 68 | 69 | 70 | 71 | org.springframework.boot 72 | spring-boot-maven-plugin 73 | 74 | 75 | 76 | 77 | 78 | 1.8 79 | 80 | 81 | 82 | -------------------------------------------------------------------------------- /product-service/src/main/java/org/vtsukur/graphql/demo/product/ProductServiceApp.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.product; 2 | 3 | import org.springframework.boot.SpringApplication; 4 | import org.springframework.boot.autoconfigure.SpringBootApplication; 5 | 6 | @SpringBootApplication 7 | public class ProductServiceApp { 8 | 9 | public static void main(String[] args) { 10 | SpringApplication.run(ProductServiceApp.class, args); 11 | } 12 | 13 | } 14 | -------------------------------------------------------------------------------- /product-service/src/main/java/org/vtsukur/graphql/demo/product/conf/RepositoryConfiguration.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.product.conf; 2 | 3 | import cz.jirutka.spring.embedmongo.EmbeddedMongoFactoryBean; 4 | import org.springframework.boot.CommandLineRunner; 5 | import org.springframework.context.annotation.Bean; 6 | import org.springframework.context.annotation.Configuration; 7 | import org.springframework.data.mongodb.core.MongoTemplate; 8 | import org.vtsukur.graphql.demo.product.domain.Product; 9 | import org.vtsukur.graphql.demo.product.domain.ProductRepository; 10 | 11 | import java.io.IOException; 12 | import java.math.BigDecimal; 13 | import java.util.Arrays; 14 | import java.util.Collections; 15 | 16 | @Configuration 17 | public class RepositoryConfiguration { 18 | 19 | @Bean 20 | public CommandLineRunner commandLineRunner(ProductRepository productRepository) { 21 | return ($) -> insertInitialData(productRepository); 22 | } 23 | 24 | private static void insertInitialData(ProductRepository productRepository) { 25 | Product product1 = new Product( 26 | "59eb83c0040fa80b29938e3f", 27 | "Combo Pack with Dreamy Eyes 12\" (Pink) Soft Toy", 28 | BigDecimal.valueOf(26.99), 29 | "Spread Unicorn love amongst your friends and family by " + 30 | "purchasing a Unicorn adoption combo pack today. " + 31 | "You'll receive your very own fabulous adoption pack and a " + 32 | "12\" Dreamy Eyes (Pink) cuddly toy. It makes the perfect gift for loved ones. " + 33 | "Go on, you know you want to, adopt today!", 34 | "010", 35 | Arrays.asList( 36 | "http://localhost:8080/img/918d8d4cc83d4e5f8680ca4edfd5b6b2.jpg", 37 | "http://localhost:8080/img/f343889c0bb94965845e65d3f39f8798.jpg", 38 | "http://localhost:8080/img/dd55129473e04f489806db0dc6468dd9.jpg", 39 | "http://localhost:8080/img/64eba4524a1f4d5d9f1687a815795643.jpg", 40 | "http://localhost:8080/img/5727549e9131440dbb3cd707dce45d0f.jpg", 41 | "http://localhost:8080/img/28ae9369ec3c442dbfe6901434ad15af.jpg" 42 | ) 43 | ); 44 | productRepository.save(product1); 45 | 46 | Product product2 = new Product( 47 | "59eb83c0040fa80b29938e40", 48 | "Dreamy Eyes 12\" (Pink) Unicorn Soft Toy", 49 | BigDecimal.valueOf(12.99), 50 | "A fabulous 12\" pink and white Unicorn soft toy for you to snuggle at leisure. " + 51 | "Also makes the perfect gift for loved ones. Go on you know you want to, adopt today!", 52 | "006", 53 | Collections.singletonList("http://localhost:8080/img/f343889c0bb94965845e65d3f39f8798.jpg") 54 | ); 55 | productRepository.save(product2); 56 | 57 | Product product3 = new Product( 58 | "59eb88bd040fa8125aa9c400", 59 | "Combo Pack with Dreamy Eyes 12\" (White) Soft Toy", 60 | BigDecimal.valueOf(26.99), 61 | "Spread Unicorn love amongst your friends and family by " + 62 | "purchasing a Unicorn adoption combo pack today. " + 63 | "You'll receive your very own fabulous adoption pack and a " + 64 | "12\" Dreamy Eyes (White) cuddly toy. It makes the perfect gift for loved ones. " + 65 | "Go on, you know you want to, adopt today!", 66 | "010", 67 | Arrays.asList( 68 | "http://localhost:8080/img/fb72e75c5f29488db41abf2f918769e4.jpg", 69 | "http://localhost:8080/img/cb8314b3b1e64e6998aad9ab426789be.jpg", 70 | "http://localhost:8080/img/dd55129473e04f489806db0dc6468dd9.jpg", 71 | "http://localhost:8080/img/64eba4524a1f4d5d9f1687a815795643.jpg", 72 | "http://localhost:8080/img/5727549e9131440dbb3cd707dce45d0f.jpg", 73 | "http://localhost:8080/img/28ae9369ec3c442dbfe6901434ad15af.jpg" 74 | ) 75 | ); 76 | productRepository.save(product3); 77 | } 78 | 79 | @Bean 80 | public MongoTemplate mongoTemplate() throws IOException { 81 | EmbeddedMongoFactoryBean mongoBean = new EmbeddedMongoFactoryBean(); 82 | mongoBean.setBindIp("localhost"); 83 | return new MongoTemplate(mongoBean.getObject(), "products_db"); 84 | } 85 | 86 | } 87 | -------------------------------------------------------------------------------- /product-service/src/main/java/org/vtsukur/graphql/demo/product/domain/Product.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.product.domain; 2 | 3 | import lombok.Data; 4 | import lombok.RequiredArgsConstructor; 5 | import org.springframework.data.annotation.PersistenceConstructor; 6 | import org.springframework.data.mongodb.core.mapping.Document; 7 | 8 | import java.math.BigDecimal; 9 | import java.util.List; 10 | 11 | @Data 12 | @RequiredArgsConstructor(onConstructor = @__(@PersistenceConstructor)) 13 | @Document 14 | public class Product { 15 | 16 | private final String id; 17 | 18 | private final String title; 19 | 20 | private final BigDecimal price; 21 | 22 | private final String description; 23 | 24 | private final String sku; 25 | 26 | private final List images; 27 | 28 | } 29 | -------------------------------------------------------------------------------- /product-service/src/main/java/org/vtsukur/graphql/demo/product/domain/ProductRepository.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.product.domain; 2 | 3 | import org.springframework.data.repository.CrudRepository; 4 | 5 | import java.util.List; 6 | 7 | public interface ProductRepository extends CrudRepository { 8 | 9 | List findAllBy(); 10 | 11 | List findAllByIdIn(String[] ids); 12 | 13 | } 14 | -------------------------------------------------------------------------------- /product-service/src/main/java/org/vtsukur/graphql/demo/product/web/ProductController.java: -------------------------------------------------------------------------------- 1 | package org.vtsukur.graphql.demo.product.web; 2 | 3 | import org.apache.commons.lang3.StringUtils; 4 | import org.dozer.DozerBeanMapper; 5 | import org.dozer.loader.api.BeanMappingBuilder; 6 | import org.dozer.loader.api.TypeMappingOptions; 7 | import org.springframework.beans.BeanUtils; 8 | import org.springframework.beans.factory.annotation.Autowired; 9 | import org.springframework.util.ReflectionUtils; 10 | import org.springframework.web.bind.annotation.*; 11 | import org.vtsukur.graphql.demo.product.domain.ProductRepository; 12 | import org.vtsukur.graphql.demo.product.api.Product; 13 | import org.vtsukur.graphql.demo.product.api.Products; 14 | 15 | import java.beans.PropertyDescriptor; 16 | import java.util.Arrays; 17 | import java.util.List; 18 | import java.util.function.Function; 19 | 20 | import static java.util.stream.Collectors.toList; 21 | 22 | @RestController 23 | @RequestMapping("products") 24 | public class ProductController { 25 | 26 | private final ProductRepository productRepository; 27 | 28 | private final DozerBeanMapper mapper = new DozerBeanMapper(); 29 | 30 | @Autowired 31 | public ProductController(ProductRepository productRepository) { 32 | this.productRepository = productRepository; 33 | mapper.addMapping(new BeanMappingBuilder() { 34 | protected void configure() { 35 | mapping(org.vtsukur.graphql.demo.product.domain.Product.class, Product.class, TypeMappingOptions.oneWay()); 36 | } 37 | }); 38 | } 39 | 40 | @RequestMapping 41 | @ResponseBody 42 | public Products getProducts(@RequestParam(value = "ids", required = false) String rawIds, 43 | @RequestParam(value = "include", required = false) String rawFields) { 44 | List products = StringUtils.isBlank(rawIds) ? 45 | productRepository.findAllBy() : 46 | productRepository.findAllByIdIn(rawIds.split(",")); 47 | Function mapper = StringUtils.isBlank(rawFields) ? 48 | this::toFullSingletonResource : 49 | new FieldMapper(rawFields.split(",")); 50 | return new Products(toListResource(products, mapper)); 51 | } 52 | 53 | @RequestMapping("/{id}") 54 | @ResponseBody 55 | public Product getProduct(@PathVariable("id") String id) { 56 | return toFullSingletonResource(productRepository.findOne(id)); 57 | } 58 | 59 | private List toListResource(List products, Function mapper) { 60 | return products.stream().map(mapper).collect(toList()); 61 | } 62 | 63 | private Product toFullSingletonResource(org.vtsukur.graphql.demo.product.domain.Product product) { 64 | return mapper.map(product, Product.class); 65 | } 66 | 67 | private static class FieldMapper implements Function { 68 | 69 | private final String[] fields; 70 | 71 | FieldMapper(String[] fields) { 72 | this.fields = fields; 73 | } 74 | 75 | @Override 76 | public Product apply(org.vtsukur.graphql.demo.product.domain.Product in) { 77 | Product out = new Product(); 78 | Arrays.stream(fields).forEach(field -> { 79 | PropertyDescriptor sourceDescriptor = BeanUtils.getPropertyDescriptor(org.vtsukur.graphql.demo.product.domain.Product.class, field); 80 | Object value = ReflectionUtils.invokeMethod(sourceDescriptor.getReadMethod(), in); 81 | 82 | PropertyDescriptor destDescriptor = BeanUtils.getPropertyDescriptor(Product.class, field); 83 | ReflectionUtils.invokeMethod(destDescriptor.getWriteMethod(), out, value); 84 | }); 85 | return out; 86 | } 87 | 88 | } 89 | 90 | } 91 | -------------------------------------------------------------------------------- /product-service/src/main/resources/META-INF/spring-devtools.properties: -------------------------------------------------------------------------------- 1 | restart.include.dozer=/dozer-5.5.1.jar 2 | -------------------------------------------------------------------------------- /product-service/src/main/resources/application.properties: -------------------------------------------------------------------------------- 1 | server.port=9090 2 | --------------------------------------------------------------------------------