CODEWITHSUNDEEP
ruby-on-railsrubycookiesbrowser
infinity
infinity

Reputation: 719

Rails Cookie Issue

I have the following new method in a ruby on rails app:

def new
   if cookies[:owner].empty?
     cookies[:owner] = SecureRandom.hex
   end
   @movie = Movie.new
   @movie.owner = cookies[:owner]
end

Basically, each new user is supposed to be issued a code which identifies them (though just by the cookie). So when the user creates a movie, the cookie that was created is stored in the owner field.

So two problems:

  1. Using the .empty? method when I delete the cookie from the browser, returns a undefined methodempty?' for nil:NilClass`

  2. When I do have a cookie already set in the browser, and then create a movie, the cookies[:owner] value is different from the @movie.owner code?

Upvotes: 5

Views: 914

Answers (2)

Nivla
Nivla

Reputation: 35

You could also use this.

def new
    if !cookies[:owner]
        cookies[:owner] = SecureRandom.hex
    end
    @movie = Movie.new
    @movie.owner = cookies[:owner]
end

Upvotes: 2

sjaime
sjaime

Reputation: 1500

  1. cookies[:owner] will either be nil (when it hasn't been set), or a String (when it's been set). The method you're looking for is blank?, instead of empty?

    2.1.0 :003 > nil.blank?
=> true

2.1.0 :005 > "i'm not blank".blank?
=> false

2.1.0 :006 > "       ".blank?
=> true

  2. As for your second problem: where do you call the save method? Do you have any callback on the Movie model that could rewrite the owner attribute?

Upvotes: 9

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