finish category and Customer put patch delete get post

src/main/java/guru/springfamework/api/controllers/v1/CategoryController.java

@@ -3,37 +3,35 @@
 import guru.springfamework.api.v1.model.CategoryDTO;
 import guru.springfamework.api.v1.model.CategoryListDTO;
 import guru.springfamework.services.CategoryService;
+import lombok.AllArgsConstructor;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.GetMapping;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.context.annotation.RequestScope;
 
 /**
  * Darcy Xian  21/11/20  7:37 pm      spring5-mvc-rest
  */
-@Controller
-@RequestMapping("/api/v1/categories/")
+@RestController
+@RequestMapping(CategoryController.BASE_URL)
+@AllArgsConstructor
 public class CategoryController {
 
-    private final CategoryService categoryService;
+    public static final String BASE_URL = "/api/v1/categories/";
 
-    public CategoryController(CategoryService categoryService){
+    private final CategoryService categoryService;
 
-        this.categoryService = categoryService;
-    }
 
     @GetMapping
-    public ResponseEntity<CategoryListDTO> getAllCategories(){
-        return new ResponseEntity<CategoryListDTO>(
-                new CategoryListDTO(categoryService.getAllCategories()), HttpStatus.OK);
+    @ResponseStatus(HttpStatus.OK)
+    public CategoryListDTO getAllCategories(){
+        return new CategoryListDTO(categoryService.getAllCategories());
     }
     @GetMapping("{name}")
-    public ResponseEntity<CategoryDTO> getCategoryByName (@PathVariable String name){
-        return new ResponseEntity<CategoryDTO>(
-                categoryService.getCategoryByName(name),HttpStatus.OK
-        );
+    @ResponseStatus(HttpStatus.OK)
+    public CategoryDTO getCategoryByName (@PathVariable String name){
+        return categoryService.getCategoryByName(name);
     }
 
 

src/main/java/guru/springfamework/api/controllers/v1/CustomerController.java

@@ -15,47 +15,72 @@
  * Darcy Xian  22/11/20  5:05 pm      spring5-mvc-rest
  */
 
-@Controller
-@EnableWebMvc
-@RequestMapping("/api/v1/customers")
+@RestController
+@RequestMapping(CustomerController.BASE_URL)
 @AllArgsConstructor
 public class CustomerController {
 
+    public static final  String BASE_URL = "/api/v1/customers";
+
+
     CustomerService customerService;
 
 
     @GetMapping
-    public ResponseEntity<CustomerListDTO> getAllCustomers (){
-        return new ResponseEntity<CustomerListDTO>(
-                new CustomerListDTO(customerService.findAllCustomers()), HttpStatus.OK);
+    @ResponseStatus(HttpStatus.OK)
+    public CustomerListDTO getAllCustomers (){
+        return new CustomerListDTO(customerService.findAllCustomers());
     }
 
     @GetMapping("/{id}")
-    public ResponseEntity<CustomerDTO> getCustomerById(@PathVariable Long id){
+    @ResponseStatus(HttpStatus.OK)
+    public CustomerDTO getCustomerById(@PathVariable Long id){
          CustomerDTO customerDTO =  customerService.findCustomerById(id);
-         customerDTO.setCustomerUrl("/api/v1/cusotmers/"+id);
+         customerDTO.setCustomerUrl(BASE_URL + id);
 
 
-        return new ResponseEntity<CustomerDTO>(
-             customerDTO ,HttpStatus.OK);
+        return customerDTO;
     }
 
     @PostMapping
+    @ResponseStatus(HttpStatus.CREATED)
     // @RequestBody tell Sping mVC to look at the body of the request and parse it and try to create a
     // CustomerDTO out of that
-    public ResponseEntity<CustomerDTO> createNewCustomer(@RequestBody CustomerDTO customerDTO){
-        return new ResponseEntity<CustomerDTO>(customerService.createNewCustomer(customerDTO),HttpStatus.CREATED);
+    public CustomerDTO createNewCustomer(@RequestBody CustomerDTO customerDTO){
+        return customerService.createNewCustomer(customerDTO);
     }
 
     @PutMapping({"/{id}"})
+    @ResponseStatus(HttpStatus.OK)
+    // @RequestBody tell Sping mVC to look at the body of the request and parse it and try to create a
+    // CustomerDTO out of that
+    public CustomerDTO updateCustomer(
+            @PathVariable Long id,
+            @RequestBody CustomerDTO customerDTO){
+        return customerService.saveCustomerByDTO(id,customerDTO);
+    }
+
+    @PatchMapping({"/{id}"})
+    @ResponseStatus(HttpStatus.OK)
     // @RequestBody tell Sping mVC to look at the body of the request and parse it and try to create a
     // CustomerDTO out of that
-    public ResponseEntity<CustomerDTO> updateCustomer(
+    public CustomerDTO patchCustomer(
             @PathVariable Long id,
             @RequestBody CustomerDTO customerDTO){
-        return new ResponseEntity<CustomerDTO>(
-                customerService.saveCustomerByDTO(id,customerDTO),HttpStatus.CREATED);
+        return customerService.patchCustomer(id,customerDTO);
+    }
+
+
+    @DeleteMapping({"/{id}"})
+    @ResponseStatus(HttpStatus.OK)
+    // @RequestBody tell Sping mVC to look at the body of the request and parse it and try to create a
+    // CustomerDTO out of that
+    public Void deleteCustomer(
+            @PathVariable Long id){
+
+        customerService.deleteCustomerById(id);
 
+        return null;
     }
 }
 
@@ -69,3 +94,44 @@ public ResponseEntity<CustomerDTO> updateCustomer(
 
 
 
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src/main/java/guru/springfamework/api/controllers/v1/RestReponseEntityExceptionHandler.java

@@ -0,0 +1,23 @@
+package guru.springfamework.api.controllers.v1;
+
+import guru.springfamework.services.ResourceNotFoundException;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.ControllerAdvice;
+import org.springframework.web.bind.annotation.ExceptionHandler;
+import org.springframework.web.context.request.WebRequest;
+import org.springframework.web.servlet.mvc.method.annotation.ResponseEntityExceptionHandler;
+
+/**
+ * Darcy Xian  24/11/20  12:13 pm      spring5-mvc-rest
+ */
+@ControllerAdvice
+public class RestReponseEntityExceptionHandler extends ResponseEntityExceptionHandler {
+
+    @ExceptionHandler({ResourceNotFoundException.class})
+    public ResponseEntity<Object> handleNotFoundException(Exception exception, WebRequest request){
+
+        return new ResponseEntity<Object>("Resource not found",new HttpHeaders(), HttpStatus.NOT_FOUND);
+    }
+}

src/main/java/guru/springfamework/api/v1/mapper/VendorMapper.java

@@ -0,0 +1,25 @@
+package guru.springfamework.api.v1.mapper;
+
+import guru.springfamework.api.v1.model.VendorDTO;
+import guru.springfamework.domain.Vendor;
+import org.mapstruct.Mapper;
+import org.mapstruct.Mapping;
+import org.mapstruct.factory.Mappers;
+
+
+/**
+ * Darcy Xian  24/11/20  3:36 pm      spring5-mvc-rest
+ */
+@Mapper
+public interface VendorMapper {
+
+    VendorMapper INSTANCE = Mappers.getMapper(VendorMapper.class);
+
+    @Mapping(source = "id", target = "id")
+    VendorDTO vendorToVendorDTO(Vendor vendor);
+
+    @Mapping(source = "id", target = "id")
+    Vendor vendorDTOToVendor(VendorDTO vendorDTO);
+
+
+}

src/main/java/guru/springfamework/api/v1/model/VendorDTO.java

@@ -0,0 +1,20 @@
+package guru.springfamework.api.v1.model;
+
+import lombok.Data;
+
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+
+/**
+ * Darcy Xian  24/11/20  3:30 pm      spring5-mvc-rest
+ */
+@Data
+public class VendorDTO {
+
+
+        private Long id;
+        private String name;
+        private String vendorUrl;
+
+}

src/main/java/guru/springfamework/api/v1/model/VendorListDTO.java

@@ -0,0 +1,11 @@
+
+package guru.springfamework.api.v1.model;
+
+import lombok.Data;
+import java.util.List;
+
+@Data
+public class VendorListDTO
+{
+     List<VendorDTO> vendorDTOS;
+}

src/main/java/guru/springfamework/domain/Vendor.java

@@ -0,0 +1,24 @@
+
+package guru.springfamework.domain;
+
+import lombok.Data;
+import org.hibernate.annotations.Generated;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+@Data
+@Entity
+public class Vendor
+{
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    private String name;
+    private String vendorUrl;
+
+}

src/main/java/guru/springfamework/repositories/VendorRepository.java

@@ -0,0 +1,13 @@
+package guru.springfamework.repositories;
+
+import guru.springfamework.domain.Vendor;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+/**
+ * Darcy Xian  24/11/20  3:57 pm      spring5-mvc-rest
+ */
+@Repository
+public interface VendorRepository extends JpaRepository<Vendor,Long> {
+
+}

src/main/java/guru/springfamework/services/CustomerService.java

@@ -21,5 +21,8 @@ public interface CustomerService {
 
     CustomerDTO saveCustomerByDTO(Long id, CustomerDTO customerDTO);
 
+    CustomerDTO patchCustomer(Long id, CustomerDTO customerDTO);
+
+    void deleteCustomerById(Long id);
 
 }