#11

backend/app/controllers/users_controller.rb

@@ -1,16 +1,25 @@
 class UsersController < ApplicationController
-  def index
-  end
-
-  def show
-  end
-
   def create
+    user = User.create!(inheritance_code: SecureRandom.uuid, role: 'guest')
+    render json: { code: user.inheritance_code,
+                   user: user.slice(:id, :name, :inheritance_code, :role) }
   end
 
-  def update
+  def verify
+    user = User.find_by(inheritance_code: params[:code])
+    render json: if user
+                   { valid: true, user: user.slice(:id, :name, :inheritance_code, :role) }
+                 else
+                   { valid: false }
+                 end
   end
 
-  def destroy
+  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)
   end
 end