Implement admin and user sidebars with routing and styling updates

src/main/java/com/jambotronGroup/jambotron/controllers/UsersController.java

@@ -1,6 +1,7 @@
 package com.jambotronGroup.jambotron.controllers;
 
 
+import com.jambotronGroup.jambotron.model.Tutorial;
 import com.jambotronGroup.jambotron.model.User;
 import com.jambotronGroup.jambotron.repository.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -8,8 +9,7 @@ import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
 
-import java.util.ArrayList;
-import java.util.List;
+import java.util.*;
 
 @CrossOrigin(origins = "${app.origin}", maxAge = 3600, allowCredentials="true")
 @RestController
@@ -35,4 +35,31 @@ public class UsersController {
             return new ResponseEntity<>(null, HttpStatus.INTERNAL_SERVER_ERROR);
         }
     }
+
+    @PutMapping("users/{id}")
+    public ResponseEntity<?> updateUserRoles(@PathVariable("id") long id, @RequestBody User user) {
+        Optional<User> userData = userRepository.findById(id);
+        Map<String, Object> map = new LinkedHashMap<String, Object>();
+        if (userData.isPresent()) {
+            User servUser = userData.get();
+            if(user.getRoles().size() > 0)
+                servUser.setRoles(user.getRoles());
+            else {
+                map.put("status", 0);
+                map.put("message", "User must have at least one role");
+                return new ResponseEntity<>(map, HttpStatus.BAD_REQUEST);
+            }
+            try {
+                servUser = userRepository.save(servUser);
+            } catch (Exception e) {
+
+                map.put("status", 0);
+                map.put("message", e.getMessage());
+                return new ResponseEntity<>(map,HttpStatus.INTERNAL_SERVER_ERROR);
+            }
+            return new ResponseEntity<>(servUser, HttpStatus.OK);
+        } else {
+            return new ResponseEntity<>(HttpStatus.NOT_FOUND);
+        }
+    }
 }