Rails Apps Common Scopes

Rails Common Scopes

module CommonScopes
  
  def self.included(base)
        
    base.class_eval {
            
      # Filtering by the state of the record
      scope :active, where(:parent_id => nil, :deleted_at => nil) #.order('sort_order asc')
      scope :published, where('published_at IS NOT NULL', :deleted_at => nil)
      scope :unpublished, where(:published_at => nil, :deleted_at => nil)
      scope :deleted, where('deleted_at IS NOT NULL')
      scope :not_deleted, where(:deleted_at => nil)
      
      # Sorting
      scope :by_date, order("published_at asc")
      scope :sorted, order("sort_order asc")
      scope :created_date, order("created_at asc")
      
    }
    
  end
  
end