add controller, config, update readme

ShoppingCart/Backend/src/main/java/com/yen/ShoppingCart/config/SwaggerConfig.java

@@ -0,0 +1,38 @@
+//package com.yen.ShoppingCart.config;
+//
+//import org.springframework.context.annotation.Bean;
+//import org.springframework.context.annotation.Configuration;
+//import springfox.documentation.builders.ApiInfoBuilder;
+//import springfox.documentation.builders.PathSelectors;
+//import springfox.documentation.builders.RequestHandlerSelectors;
+//import springfox.documentation.service.ApiInfo;
+//import springfox.documentation.service.Contact;
+//import springfox.documentation.spi.DocumentationType;
+//import springfox.documentation.spring.web.plugins.Docket;
+//import springfox.documentation.swagger2.annotations.EnableSwagger2;
+//
+//@Configuration
+//@EnableSwagger2
+//public class SwaggerConfig {
+//    @Bean
+//    public Docket productApi() {
+//        return new Docket(DocumentationType.SWAGGER_2)
+//                .apiInfo(getApiInfo())
+//                .select()
+//                .apis(RequestHandlerSelectors.basePackage("com.yen.ShoppingCart"))
+//                .paths(PathSelectors.any())
+//                .build();
+//    }
+//
+//    private ApiInfo getApiInfo() {
+//        Contact contact = new Contact("yen_dev", "http://yen_dev.com", "[email protected]");
+//        return new ApiInfoBuilder()
+//                .title("Ecommerce API")
+//                .description("Documentation Ecommerce api")
+//                .version("1.0.0")
+//                .license("Apache 2.0")
+//                .licenseUrl("http://www.apache.org/licenses/LICENSE-2.0")
+//                .contact(contact)
+//                .build();
+//    }
+//}

ShoppingCart/Backend/src/main/java/com/yen/ShoppingCart/controller/CategoryController.java

@@ -0,0 +1,51 @@
+package com.yen.ShoppingCart.controller;
+
+import com.yen.ShoppingCart.common.ApiResponse;
+import com.yen.ShoppingCart.model.Category;
+import com.yen.ShoppingCart.service.CategoryService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+import java.util.Objects;
+
+@RestController
+@RequestMapping("/category")
+public class CategoryController {
+
+    @Autowired
+    private CategoryService categoryService;
+
+    @GetMapping("/")
+    public ResponseEntity<List<Category>> getCategories() {
+        List<Category> body = categoryService.listCategories();
+        return new ResponseEntity<>(body, HttpStatus.OK);
+    }
+
+    @PostMapping("/create")
+    public ResponseEntity<ApiResponse> createCategory(@RequestBody Category category) {
+
+        if (Objects.nonNull(categoryService.readCategory(category.getCategoryName()))) {
+            return new ResponseEntity<ApiResponse>(new ApiResponse(false, "category already exists"), HttpStatus.CONFLICT);
+        }
+        categoryService.createCategory(category);
+        return new ResponseEntity<>(new ApiResponse(true, "created the category"), HttpStatus.CREATED);
+    }
+
+
+    @PostMapping("/update/{categoryID}")
+    public ResponseEntity<ApiResponse> updateCategory(@PathVariable("categoryID") Integer categoryID, @RequestBody Category category) {
+        // Check to see if the category exists.
+        if (Objects.nonNull(categoryService.readCategory(categoryID))) {
+            // If the category exists then update it.
+            categoryService.updateCategory(categoryID, category);
+            return new ResponseEntity<ApiResponse>(new ApiResponse(true, "updated the category"), HttpStatus.OK);
+        }
+
+        // If the category doesn't exist then return a response of unsuccessful.
+        return new ResponseEntity<>(new ApiResponse(false, "category does not exist"), HttpStatus.NOT_FOUND);
+    }
+
+}

ShoppingCart/README.md

@@ -28,7 +28,7 @@ java -jar <built_jar>
 
 | API | Type | Purpose | Example cmd | Comment|
 | ----- | -------- | ---- | ----- | ---- |
-| Test |  | | |
+| http://localhost:9999/swagger-ui.html |  | | |