admin_controller.rb

require 'byebug'

class AdminController < ApplicationController
	helper_method :showMessageAdmin
	before_action :load_data_from_db, except: [:index, :destroy]

	def index
		verifyLogin(params[:login], params[:password])
	end

	def show
		@clients = Cliente.all
	end

	def destroy
		@clients = Cliente.find(params[:id])
		@clients.destroy
		redirect_to action: "show"
	end

	def update
		debugger
		clts = Cliente.find(params[:id])
		clts.name = params[:name]
		clts.cpf = params[:cpf]
		clts.password = params[:password]
		clts.save
		redirect_to action: :show
	end

	def edit
		@clts = Cliente.find(params[:id])
	end

	protected
	def showMessageAdmin
		return "Welcome to BankSys Admin Page"
	end

	private
	def verifyLogin(login, password)
		if params[:login] == 'admin' && params[:password] == 'admin'
			# We can define what kind of render type we'd like to render.
			# Specifying with following format :
			# 
			# => render json: @clients, status: 200
			# => render xml: @clients, status: 200

			# Other render type is specifying by means of argument, like this:
			# respond_to do |format|
			# 	format.html { render show: @clients, status: 200 }
			# 	format.json { render json: @clients, status: 200 }
			# 	format.xml  { render xml: @clients, status: 200 }
			# end
			redirect_to action: "show"
		else
			render :index
		end
	end

	#Carrega todos os dados do DB
	def load_data_from_db
		@clients = Cliente.all
		@clients
	end
end