gistfile1.rb

class EmployeesController < ApplicationController
  before_filter :require_login
  before_action :set_employee, only: [:show, :edit, :update, :destroy]
  before_action :correct_user, only: [:show, :edit, :update, :destroy]
  
  # GET /employees
  def index
    @user = current_user
    @employees = @user.employees.to_a
  end

  # GET /employees/1
  def show
    @user = current_user
    @employees = @user.employees.to_a
  end

  # GET /employees/new
  def new
    @employee = Employee.new
  end

  # GET /employees/1/edit
  def edit
  end

  # POST /employees
  def create
    
    @user = current_user
    @employee = @user.employees.build(employee_params)

    respond_to do |format|
      if @employee.save
        format.html { redirect_to @employee, notice: 'Employee was successfully created.' }
      else
        format.html { render action: 'new' }
      end
    end
  end

  # PATCH/PUT /employees/1
  def update
    respond_to do |format|
      if @employee.update(employee_params)
        format.html { redirect_to @employee, notice: 'Employee was successfully updated.' }
      else
        format.html { render action: 'edit' }
      end
    end
  end

  # DELETE /employees/1
  def destroy
    @employee.destroy
    respond_to do |format|
      format.html { redirect_to employees_url }
    end
  end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_employee
      @employee = Employee.find(params[:id])
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def employee_params
      params.require(:employee).permit(:first_name, :last_name, :number)
    end
    
    def correct_user
      @employee = current_user.employees.find_by(id: params[:id])
      redirect_to employees_path if @employee.nil?
    end
end