implement user controller

app/controllers/users_controller.rb

@@ -0,0 +1,29 @@
+class UsersController < ApplicationController
+
+ # POST /signup
+ def create
+ user = User.new(user_params)
+ if user.save
+ # return authenticated token upon signup
+ auth_token = AuthenticateUser.new(user.email, user.password).call
+ response = { message: Message.account_created, auth_token: auth_token }
+ json_response(response, :created)
+ else
+ json_response(
+ { message: Message.account_not_created },
+ :unprocessable_entity
+ )
+ end
+ end
+
+ private
+
+ def user_params
+ params.permit(
+ :name,
+ :email,
+ :password,
+ :password_confirmation
+ )
+ end
+end