user_employments_controller.rb

class Services::V1::UserEmploymentsController < ApplicationController
  include Security::Services
  include Services::ResourceValidations

  def show
    employment = find_employment(params)
    render json: EmploymentSerializer.member(employment), status: :ok
  end

  private

  def find_partner_account(id)
    @partner.subscribers.find_by_id(id)
  end

  def find_employment(params)
    account = find_partner_account(params[:account_id])
    account.employments.where(user_id: params[:id]).first
  end
end