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package org.smarttechie.handler; | |
import org.smarttechie.model.Product; | |
import org.smarttechie.service.ProductService; | |
import org.springframework.beans.factory.annotation.Autowired; | |
import org.springframework.http.MediaType; | |
import org.springframework.stereotype.Component; | |
import org.springframework.web.reactive.function.server.ServerRequest; | |
import org.springframework.web.reactive.function.server.ServerResponse; | |
import reactor.core.publisher.Mono; | |
import static org.springframework.web.reactive.function.BodyInserters.fromObject; | |
@Component | |
public class ProductHandler { | |
@Autowired | |
private ProductService productService; | |
static Mono<ServerResponse> notFound = ServerResponse.notFound().build(); | |
/** | |
* The handler to get all the available products. | |
* @param serverRequest | |
* @return - all the products info as part of ServerResponse | |
*/ | |
public Mono<ServerResponse> getAllProducts(ServerRequest serverRequest) { | |
return ServerResponse.ok() | |
.contentType(MediaType.APPLICATION_JSON) | |
.body(productService.getAllProducts(), Product.class); | |
} | |
/** | |
* The handler to create a product | |
* @param serverRequest | |
* @return - return the created product as part of ServerResponse | |
*/ | |
public Mono<ServerResponse> createProduct(ServerRequest serverRequest) { | |
Mono<Product> productToSave = serverRequest.bodyToMono(Product.class); | |
return productToSave.flatMap(product -> | |
ServerResponse.ok() | |
.contentType(MediaType.APPLICATION_JSON) | |
.body(productService.save(product), Product.class)); | |
} | |
/** | |
* The handler to delete a product based on the product id. | |
* @param serverRequest | |
* @return - return the deleted product as part of ServerResponse | |
*/ | |
public Mono<ServerResponse> deleteProduct(ServerRequest serverRequest) { | |
String id = serverRequest.pathVariable("id"); | |
Mono<Void> deleteItem = productService.deleteProduct(Integer.parseInt(id)); | |
return ServerResponse.ok() | |
.contentType(MediaType.APPLICATION_JSON) | |
.body(deleteItem, Void.class); | |
} | |
/** | |
* The handler to update a product. | |
* @param serverRequest | |
* @return - The updated product as part of ServerResponse | |
*/ | |
public Mono<ServerResponse> updateProduct(ServerRequest serverRequest) { | |
return productService.update(serverRequest.bodyToMono(Product.class)).flatMap(product -> | |
ServerResponse.ok() | |
.contentType(MediaType.APPLICATION_JSON) | |
.body(fromObject(product))) | |
.switchIfEmpty(notFound); | |
} | |
} |
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