module SlugableDanielTest

# File lib/slugable_daniel_test.rb, line 9
def generate_slug
  self.slug = slug_uniqueize( self, options: { column_name: self.class.slug_column.to_sym, count: -1 }) 
end

# File lib/slugable_daniel_test.rb, line 27
def generate_slug_prefix(obj, column_name)    
  #obj[column_name].gsub(/\W/," ").split.join("-").downcase
  obj[column_name].gsub(/\s*[^A-Za-z0-9]\s*/," ").split.join("-").downcase      
end

# File lib/slugable_daniel_test.rb, line 23
def generate_slug_suffix(count)
  (count + 1) == 0 ? "" : "-"+(count + 1).to_s   
end

# File lib/slugable_daniel_test.rb, line 13
def slug_uniqueize(obj, options: {} )    
   the_slug = generate_slug_prefix(obj, options[:column_name]) + generate_slug_suffix(options[:count])
    record = obj.class.find_by slug: the_slug      
    if record && record != obj # the_slug has already been used by the others.
       options[:count] += 1          
       return slug_uniqueize(obj, options: options)    
    end  
    the_slug
end