added every delete endpoint required

backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java

@@ -77,4 +77,7 @@ public class CourseService {
         return true;
     }
 
+    public void delete(Course course) {
+        courseRepo.delete(course);
+    }
 }

backend/src/main/java/ovh/herisson/Clyde/Services/CurriculumService.java

@@ -19,4 +19,7 @@ public class CurriculumService {
         return curriculumRepo.findById(id);
     }
 
+    public void delete(Curriculum curriculum) {
+        curriculumRepo.delete(curriculum);
+    }
 }

backend/src/main/java/ovh/herisson/Clyde/Services/InscriptionService.java

@@ -87,4 +87,8 @@ public class InscriptionService {
         save(inscrRequest);
         return true;
     }
+
+    public void delete(InscriptionRequest toDelete) {
+        inscriptionRepo.delete(toDelete);
+    }
 }

backend/src/main/java/ovh/herisson/Clyde/Services/ProtectionService.java

@@ -15,6 +15,10 @@ public class ProtectionService {
      * @return all the user data without the password
      */
     public static HashMap<String,Object> userWithoutPassword(User user){
+
+        if (user ==null)
+            return null;
+
         HashMap<String,Object> toReturn = new HashMap<>();
 
         toReturn.put("regNo",user.getRegNo());
@@ -42,6 +46,9 @@ public class ProtectionService {
 
 
     public static HashMap<String,Object> courseWithoutPassword(Course course){
+        if (course == null)
+            return null;
+
         HashMap<String ,Object> toReturn = new HashMap<>();
 
         toReturn.put("courseId",course.getCourseID());
@@ -64,6 +71,10 @@ public class ProtectionService {
 
 
     public static Map<String, Object> requestWithoutPassword(InscriptionRequest inscriptionRequest) {
+
+        if (inscriptionRequest == null)
+            return null;
+
         Map<String, Object> toReturn = new HashMap<>();
 
         toReturn.put("id", inscriptionRequest.getId());