kelhusseiny

General

• The Difference Between Ruby Symbols and Strings

Procedures & Closuers

• Understanding Ruby Blocks, Procs and Lambdas
• Closures in Ruby

Interpreters

kelhusseiny

root :to => "sessions#login"
match "signup", :to => "users#new"
match "login", :to => "sessions#login"
match "logout", :to => "sessions#logout"
match "home", :to => "sessions#home"
match "profile", :to => "sessions#profile"
match "setting", :to => "sessions#setting"

kelhusseiny

def logout
  session[:user_id] = nil
  redirect_to :action => 'login'
end

kelhusseiny

<h2 class='User_Header'> <%=@current_user.username%> Profile <h2>

kelhusseiny

before_filter :save_login_state, :only => [:new, :create]

kelhusseiny

before_filter :authenticate_user, :only => [:home, :profile, :setting]
before_filter :save_login_state, :only => [:login, :login_attempt]

kelhusseiny

protected 
def authenticate_user
  if session[:user_id]
     # set current user object to @current_user object variable
    @current_user = User.find session[:user_id] 
    return true	
  else
    redirect_to(:controller => 'sessions', :action => 'login')
    return false
  end

kelhusseiny

def login_attempt
  authorized_user = User.authenticate(params[:username_or_email],params[:login_password])
  if authorized_user
    session[:user_id] = authorized_user.id
    flash[:notice] = "Wow Welcome again, you logged in as #{authorized_user.username}"
    redirect_to(:action => 'home')
  else
    flash[:notice] = "Invalid Username or Password"
    flash[:color]= "invalid"
    render "login"	

kelhusseiny

session[:name]= "Azzurrio"

kelhusseiny

cookies[:name]= "Azzurrio"