Assignment springframeworkguru#7

Author: rmisteli

src/main/java/guru/springframework/spring6restmvc/controller/CustomerController.java

@@ -1,14 +1,13 @@
 package guru.springframework.spring6restmvc.controller;
 
-import guru.springframework.spring6restmvc.model.Beer;
 import guru.springframework.spring6restmvc.model.Customer;
 import guru.springframework.spring6restmvc.service.CustomerService;
 import lombok.AllArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
-import org.springframework.web.bind.annotation.PathVariable;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
 
 import java.util.List;
 import java.util.UUID;
@@ -21,6 +20,16 @@ public class CustomerController {
 
     private final CustomerService customerService;
 
+    @PostMapping
+    public ResponseEntity<Customer> createCustomer(@RequestBody Customer customer) {
+        Customer savedCustomer = customerService.saveNewCustomer(customer);
+
+        HttpHeaders headers = new HttpHeaders();
+        headers.add("Location", "/api/v1/customer/" + savedCustomer.getId().toString() );
+
+        return new ResponseEntity(headers, HttpStatus.CREATED);
+    }
+
     @RequestMapping(method = RequestMethod.GET)
     public List<Customer> listCustomers() {
         return customerService.getAllCustomers();

src/main/java/guru/springframework/spring6restmvc/service/CustomerService.java

@@ -7,4 +7,6 @@
 public interface CustomerService {
     Customer getCustomerById(UUID id);
     List<Customer> getAllCustomers();
+
+    Customer saveNewCustomer(Customer customer);
 }

src/main/java/guru/springframework/spring6restmvc/service/CustomerServiceImpl.java

@@ -52,4 +52,19 @@ public Customer getCustomerById(UUID id) {
     public List<Customer> getAllCustomers() {
         return new ArrayList<>(customerMap.values());
     }
+
+    @Override
+    public Customer saveNewCustomer(Customer customer) {
+        Customer savedCustomer = Customer.builder()
+                .id(UUID.randomUUID())
+                .version(1)
+                .createdDate(LocalDateTime.now())
+                .updateDate(LocalDateTime.now())
+                .name(customer.getName())
+                .build();
+
+        customerMap.put(savedCustomer.getId(), savedCustomer);
+
+        return savedCustomer;
+    }
 }