[AFP-58] Fixed merge conflict with dev

src/main/java/com/nisum/ascend/inventory/configuration/WebFluxConfig.java

+package com.nisum.ascend.inventory.configuration;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.reactive.config.EnableWebFlux;
+import org.springframework.web.reactive.config.WebFluxConfigurer;
+
+@Configuration
+@EnableWebFlux
+public class WebFluxConfig implements WebFluxConfigurer {
+}

src/main/java/com/nisum/ascend/inventory/controller/ProductController.java

 package com.nisum.ascend.inventory.controller;
 
 import com.nisum.ascend.inventory.dto.ProductDto;
+import com.nisum.ascend.inventory.exception.ResourceAlreadyExistsException;
+import com.nisum.ascend.inventory.model.Product;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
@@ -12,6 +14,8 @@ import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 import reactor.core.publisher.Mono;
 import reactor.core.publisher.Flux;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
 
 @RestController
 @RequestMapping("/api/products")
@@ -37,4 +41,9 @@ public class ProductController {
     public ResponseEntity<Flux<ProductDto>> getAllProducts() {
         return ResponseEntity.ok(productService.findAllProducts());
     }
-}
+
+    @PostMapping("")
+    public Mono<ProductDto> postProduct(@RequestBody Product product) {
+        return productService.createProduct(product).onErrorMap(throwable -> new ResourceAlreadyExistsException());
+    }
+}
\ No newline at end of file

src/main/java/com/nisum/ascend/inventory/exception/ResourceAlreadyExistsException.java

+package com.nisum.ascend.inventory.exception;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.web.bind.annotation.ResponseStatus;
+
+@ResponseStatus(value = HttpStatus.NOT_ACCEPTABLE)
+public class ResourceAlreadyExistsException extends RuntimeException {
+
+    public ResourceAlreadyExistsException() {
+        super("A resource with the provided SKU already exists");
+    }
+}

src/main/java/com/nisum/ascend/inventory/exception/RestWebExceptionHandler.java

+package com.nisum.ascend.inventory.exception;
+
+import com.mongodb.DuplicateKeyException;
+import org.springframework.core.annotation.Order;
+import org.springframework.http.HttpStatus;
+import org.springframework.stereotype.Component;
+import org.springframework.web.server.ServerWebExchange;
+import org.springframework.web.server.WebExceptionHandler;
+import reactor.core.publisher.Mono;
+
+@Component
+@Order(-2)
+class RestWebExceptionHandler implements WebExceptionHandler {
+
+    @Override
+    public Mono<Void> handle(ServerWebExchange exchange, Throwable ex) {
+        if (ex instanceof ResourceAlreadyExistsException) {
+            exchange.getResponse().setStatusCode(HttpStatus.NOT_ACCEPTABLE);
+
+            // marks the response as complete and forbids writing to it
+            return exchange.getResponse().setComplete();
+        }
+        return Mono.error(ex);
+    }
+}

src/main/java/com/nisum/ascend/inventory/model/Product.java

@@ -24,6 +24,7 @@ public class Product {
     private String brand;
     private String category;
 
+    public Product() {}
     public Product(String sku, String upc, String productName, String productDescription, float price, int availableStock,
                    String productImageUrl, String brand, String category) {
         this.sku = sku;

src/main/java/com/nisum/ascend/inventory/service/ProductService.java

@@ -8,7 +8,6 @@ import org.springframework.stereotype.Service;
 import reactor.core.publisher.Flux;
 import com.nisum.ascend.inventory.repository.ProductRepository;
 import reactor.core.publisher.Mono;
-
 import static com.nisum.ascend.inventory.dto.ProductDto.generateDtoFromProduct;
 
 @Service
@@ -35,4 +34,9 @@ public class ProductService {
                 .map(ProductDto::generateDtoFromProduct);
     }
 
+    public Mono<ProductDto> createProduct(Product product) {
+        return productRepository.save(product)
+                .map(ProductDto::generateDtoFromProduct);
+    }
+
 }

src/test/java/com/nisum/ascend/inventory/controller/ProductControllerTest.java

@@ -6,6 +6,7 @@ import com.nisum.ascend.inventory.repository.ProductRepository;
 import com.nisum.ascend.inventory.service.ProductService;
 import com.nisum.ascend.inventory.controller.ProductController;
 
+import com.nisum.ascend.inventory.model.Product;
 import lombok.extern.slf4j.Slf4j;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
@@ -34,6 +35,11 @@ import java.util.List;
 
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 import static org.junit.jupiter.api.Assertions.assertTrue;
+import reactor.core.publisher.Mono;
+
+import java.util.UUID;
+
+import static org.junit.jupiter.api.Assertions.*;
 
 @ExtendWith(SpringExtension.class)
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
@@ -95,7 +101,6 @@ class ProductControllerTest {
                 });
     }
 
-
     /*
     If you want to do this test, make sure to insert the following in MongoDB Atlas:
         ,
@@ -122,5 +127,18 @@ class ProductControllerTest {
         System.out.println("Deletion Successful. Ending test...");
     }
 
-
+    @Test
+    void postProduct() {
+        String sku = "SH=" + UUID.randomUUID();
+        Product product = new Product(sku, "3d2dsd9cm", "Red Sweater",
+                "A Nice red sweater", (float) 23.99, 45, "",
+                "SweatCo", "Sweatshirts");
+        webTestClient.post().uri("/api/products")
+                .contentType(MediaType.valueOf(MediaType.APPLICATION_JSON_VALUE))
+                .body(Mono.just(product), Product.class)
+                .exchange()
+                .expectStatus().isOk()
+                .expectBody()
+                .jsonPath("$.sku", sku);
+    }
 }
\ No newline at end of file

src/test/resources/application-test.properties

+spring.config.import=classpath:secret.properties
+
+server.port=8080
+spring.data.mongodb.uri=mongodb+srv://admin:${db.password}@inventory-promotions.d4nfz.mongodb\
+  .net/${spring.data.mongodb.database}?retryWrites=true&w=majority
+spring.data.mongodb.database=test