JeffCohen/slug.md

## slug.md

      
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              slug.md
            
          
    require 'digest/md5'
class List < ActiveRecord::Base
has_many :entries, -> { order('position asc') }, dependent: :destroy
has_many :songs, through: :entries
belongs_to :user
before_create :create_slug
validates_uniqueness_of :sharing_slug
def create_slug
slug = Digest::MD5.hexdigest(self.id.to_s)[0,6]
# slug.split(//).shuffle.join until List.find_by(sharing_slug: slug).blank?
self.update sharing_slug: slug
end
end