Activity for students to practice creating before and after filters

ReadMe.md

#Before and After Filters

##Instructions

1. Fork the code from the following Gist.
2. Create your own Gist with a refactored version of this users controller using filters(before_action, and after_action)
3. Submit the Gist of your refactored code in the prompt on Goodmeasure week 5
4. Good Luck!

refactored_filter_activity.rb

class UsersController < ApplicationController
before_action: find_user, :only => [:show, :edit, :update :destroy]
after_action: notify, :only => [:create, :update, :destroy]
  
  def index
    @users = User.all
  end

  def show
  end

  def new
    @user = User.new
  end

  def edit
  end

  def create
    @user = User.new(user_params)

    respond_to do |format|
      if @user.save
        format.html { redirect_to @user, notice: 'User was successfully created.' }
        format.json { render :show, status: :created, location: @user }
      else
        format.html { render :new }
        format.json { render json: @user.errors, status: :unprocessable_entity }
      end
    end
    
  end

  def update
    respond_to do |format|
      if @user.update(user_params)
        format.html { redirect_to @user, notice: 'User was successfully updated.' }
        format.json { render :show, status: :ok, location: @user }
      else
        format.html { render :edit }
        format.json { render json: @user.errors, status: :unprocessable_entity }
      end
    end
    
  end

  def destroy
    @user.destroy
    respond_to do |format|
      format.html { redirect_to users_url, notice: 'User was successfully destroyed.' }
      format.json { head :no_content }
    end

  end

  private
    def notify
      Slack.notify_channel
    end
    def find_user
      @user = User.find(params[:id])
    end
    def user_params
      params.require(:user).permit(:username, :email)
    end
    
end