Class: Clearance::FacebookController

Inherits:
ApplicationController
  • Object
show all
Defined in:
app/controllers/clearance/facebook_controller.rb

Instance Method Summary collapse

Instance Method Details

#closed ⇒ Object

Js is informing that the query as cleared



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# File 'app/controllers/clearance/facebook_controller.rb', line 28

def closed
  sign_out
  flash[:notice] = translate(:facebook_closed, :default =>  "Facebook session expired.")
  render :template => 'sessions/new'
end

#fbtoken(mycode) ⇒ Object 



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# File 'app/controllers/clearance/facebook_controller.rb', line 71

def fbtoken(mycode)
  access_token_hash = MiniFB.oauth_access_token(FB_APP_ID, FB_CALLBACK_URL, FB_SECRET, mycode)
  return access_token = access_token_hash["access_token"]
end

#find_fbuser(myfbuid) ⇒ Object

This method return nil if theres no such user and the user if there is



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# File 'app/controllers/clearance/facebook_controller.rb', line 67

def find_fbuser(myfbuid)
  return ::User.find_by_fbid(myfbuid)
end

#index ⇒ Object

Js is informing that the cookie was created



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# File 'app/controllers/clearance/facebook_controller.rb', line 4

def index
  if signed_in? then 
      redirect_to LOGGED_PATH #Evita multiples logins y hace que solo tenga sentido llamar el metodo con un nuevo cookie
  else #If there's no signed in user
      #The code arrives here
      user_id = token_user(params[:token])
      if user_id != nil then
        @user = nil
        @user = find_fbuser(user_id) #The one from the DB
        #If the user exists
        if !@user.nil? then
          (@user, params[:token], params[:expiration])
          redirect_to LOGGED_PATH
        else #If theres no user with that id
          #Register this user
          register_fbu(params[:token])
        end   
      else #The token isn't valid
        closed
      end
  end 
end

#register_fbu(token) ⇒ Object

Here I reply the create the new user, I changed te verifications so that fbid is unique and password is optional when fbid isn’t blank



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# File 'app/controllers/clearance/facebook_controller.rb', line 40

def register_fbu(token)
  #get the user from FB
  ##Works sometimes, others sends: JSON::ParserError Exception: source did not contain any JSON!  
  #Bucle posiblemente infinito y chambon para lidiar con la excepcion mientras se soluciona  
  incomplete = true
  while incomplete do
    begin  
      incomplete = false #Intento salir del bucle
      new_user = MiniFB::OAuthSession.new(token, 'es_ES').get "me" 
    rescue JSON::ParserError
      incomplete = true #Reingreso en el bucle
    end
  end
  
  #Build th user in DB
  @user = ::User.new
  @user.fbid = new_user.id
  @user.name = new_user.name
  @user.email2 = new_user.email 
  if @user.save
    (@user, params[:token], params[:expiration])
  else
    render :text => "Please contact the administrator, the Facebook user couldn't be created."
  end    
end