#12

backend/app/controllers/users_controller.rb

@@ -23,10 +23,22 @@ class UsersController < ApplicationController
 
   def me
     user = User.find_by(inheritance_code: params[:code])
-    render(if user
-             { json: user.slice(:id, :name, :inheritance_code, :role) }
-           else
-             { json: { error: 'not found' }, status: :not_found }
-           end)
+    return head :not_found unless user
+
+    render json: user.slice(:id, :name, :inheritance_code, :role)
+  end
+
+  def update
+    user = current_user
+    return head :unauthorized if user&.id != params[:id].to_i
+
+    name = params[:name]
+    return head :bad_request if name.blank?
+
+    if user.update(name:)
+      render json: user.slice(:id, :name, :inheritance_code, :role), status: :created
+    else
+      render json: user.errors, status: :unprocessable_entity
+    end
   end
 end