M8 final

src/main/java/com/pluralsight/conference/controller/RegistrationController.java

@@ -58,4 +58,10 @@ public String addRegistration(@Valid @ModelAttribute ("registration")
         return "redirect:registration";
     }
 
+    @PostMapping("registration/update")
+    public @ResponseBody Registration updateRegistration (@Valid @ModelAttribute("registration")
+                                                          Registration registration,
+                                                          BindingResult result) {
+        return registrationService.addRegistration(registration);
+    }
 }

src/main/java/com/pluralsight/conference/model/Registration.java

@@ -15,7 +15,7 @@
 )
 public class Registration {
 
-    public static final String REGISTRATION_REPORT = "registrationReport";
+    public static final String REGISTRATION_REPORT = "Registration.registrationReport";
 
     public static final String REGISTRATION_REPORT_JPQL =
             "Select new com.pluralsight.conference.model.RegistrationReport" +

src/main/java/com/pluralsight/conference/repository/RegistrationRepository.java

@@ -2,13 +2,13 @@
 
 import com.pluralsight.conference.model.Registration;
 import com.pluralsight.conference.model.RegistrationReport;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
 
 import java.util.List;
 
-public interface RegistrationRepository {
-    Registration save(Registration registration);
+@Repository
+public interface RegistrationRepository extends JpaRepository<Registration, Long> {
 
-    List<Registration> findAll();
-
-    List<RegistrationReport> findAllReports();
+    List<RegistrationReport> registrationReport();
 }

src/main/java/com/pluralsight/conference/repository/UserRepository.java

@@ -1,7 +1,10 @@
 package com.pluralsight.conference.repository;
 
 import com.pluralsight.conference.model.User;
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+@Repository
+public interface UserRepository extends JpaRepository<User, Long> {
 
-public interface UserRepository {
-    User save(User user);
 }

src/main/java/com/pluralsight/conference/service/RegistrationServiceImpl.java

@@ -25,12 +25,14 @@ public class RegistrationServiceImpl implements RegistrationService {
     public Registration addRegistration(Registration registration) {
         registration = registrationRepository.save(registration);
 
-        Course course = new Course();
-        course.setName("Intro");
-        course.setDescription("Every attendee must comple the intro.");
-        course.setRegistration(registration);
+        if(registration.getId() == null) {
+            Course course = new Course();
+            course.setName("Intro");
+            course.setDescription("Every attendee must comple the intro.");
+            course.setRegistration(registration);
 
-        courseRepository.save(course);
+            courseRepository.save(course);
+        }
 
         return registration;
     }
@@ -42,7 +44,7 @@ public List<Registration> findAll() {
 
     @Override
     public List<RegistrationReport> findAllReports() {
-        return registrationRepository.findAllReports();
+        return registrationRepository.registrationReport();
     }
 
 }