json response example (API)

create.rb

def create

    respond_to do |format|
      
      resp = { }
      resp_status = :unprocessable_entity  # 422

      if (user = OtpAuth::UserAuthenticator.authenticate(params[:email].to_s, params[:password].to_s))
        if (profile = OtpAuth::Profile.first_or_create(user_id: user.id))
          device = profile.devices.build(push_service_type_id: OtpAuth.get_service_provider_id(params[:push_service_type].to_s.upcase),
                                         registration_token: params[:registration_token].to_s)
          if device.save
            resp[:user_identifier] = user.get_or_create_user_identifier
            resp_status = :created
          else
            resp[:errors] = device.errors.full_messages.to_sentence
          end
        else
          resp[:errors] = "Unable to find or create profile."
        end
      else
        resp_status = :unauthorized
        resp[:errors] = "Authentication failed."
      end

      format.json { render json: resp.to_json, status: resp_status }

    end


  end