Merge pull request 'Max/Backend/UserControllerUpdate' (#94) from Max/Backend/UserControllerUpdate into master

Reviewed-on: #94
Reviewed-by: LeoMoulin <leomoulin125@gmail.com>
Reviewed-by: Debucquoy Anthony <d.tonitch@gmail.com>

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

@@ -5,16 +5,10 @@ import org.springframework.stereotype.Service;
 import ovh.herisson.Clyde.Repositories.UserRepository;
 import ovh.herisson.Clyde.Tables.Role;
 import ovh.herisson.Clyde.Tables.User;
-
-import java.text.DateFormat;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Date;
-import java.util.List;
+import java.util.*;
 
 @Service
 public class UserService {
-
     private final UserRepository userRepo;
     private final BCryptPasswordEncoder passwordEncoder = new BCryptPasswordEncoder();
 
@@ -34,17 +28,79 @@ public class UserService {
         }
     }
 
+    /** modify the target data
+     * verify the permission of modifying from the poster
+     *
+     * @param poster the user wanting to modify target's data
+     * @param updates the changes to be made
+     * @param target the user to update
+     * @return if the changes were done or not
+     */
+    public boolean modifyData(User poster, Map<String ,Object> updates, User target){
+
+        if (poster.getRegNo().equals(target.getRegNo())){
+            for (Map.Entry<String, Object> entry : updates.entrySet()){
+
+                if ( entry.getKey().equals("regNo") || entry.getKey().equals("role")) {return false;}
+
+                switch (entry.getKey()){
+                    case "firstName":
+                        target.setFirstName((String) entry.getValue());
+                        break;
+                    case "lastName":
+                        target.setLastName((String) entry.getValue());
+                        break;
+                    case "email":
+                        target.setEmail((String) entry.getValue());
+                        break;
+                    case "address":
+                        target.setAddress((String) entry.getValue());
+                        break;
+                    case "country":
+                        target.setCountry((String) entry.getValue());
+                        break;
+                    case "birthDate":
+                        target.setBirthDate((Date) entry.getValue());
+                        break;
+                    case "profilePictureUrl":
+                        target.setProfilePictureUrl((String) entry.getValue());
+                        break;
+                    case "password":
+                        target.setPassword(passwordEncoder.encode((String) entry.getValue()));
+                        break;
+                }
+            }
+            userRepo.save(target);
+            return true;
+        }
+        // the secretary can change roles (for example if a student becomes a teacher)
+        else if (poster.getRole() == Role.Secretary)
+        {
+            for (Map.Entry<String, Object> entry : updates.entrySet()){
+
+                if ( !entry.getKey().equals("role")) {return false;}
+
+                if (entry.getValue() == Role.Admin){return false;}
+
+                target.setRole((Role) entry.getValue());
+                userRepo.save(target);
+                return true;
+            }
+        }
+        return false;
+    }
+
 
     public boolean checkPassword(User user, String tryingPassword){
         return passwordEncoder.matches(tryingPassword,  user.getPassword());
     }
 
     public void save(User  user){
+        user.setPassword(passwordEncoder.encode(user.getPassword()));
         userRepo.save(user);
     }
 
     public Iterable<User> getAll(){
         return userRepo.findAll();
     }
-
 }