Module: AutoHtmlFor::ClassMethods

Defined in:
lib/auto_html/auto_html_for.rb

Instance Method Summary collapse

Instance Method Details

#auto_html_for(raw_attrs, &proc) ⇒ Object 



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# File 'lib/auto_html/auto_html_for.rb', line 18

def auto_html_for(raw_attrs, &proc)
  include AutoHtmlFor::InstanceMethods

  if defined?(ActiveRecord) == "constant"
    return unless ActiveRecord::Base.connection.table_exists? self.table_name
  end

  suffix =  AutoHtmlFor.auto_html_for_options[:htmlized_attribute_suffix]
  auto_html_for_columns = [raw_attrs].flatten.map { |a| "#{a}#{suffix}" }
  
  # Needed for Mongoid
  column_names = self.respond_to?(:column_names) ? self.column_names : fields.keys
  
  missing_cache_columns =  auto_html_for_columns - column_names
  missing_cache_columns.each do |missing_cache_column|
    raw_attr = missing_cache_column.gsub(suffix, '')
    define_method(missing_cache_column) do
      val = self[raw_attr] || self.send(raw_attr.to_sym)
      auto_html(val, &proc)
    end
  end
  
  cache_columns = auto_html_for_columns - missing_cache_columns
  cache_columns.each do |cache_column|
    raw_attr = cache_column.gsub(suffix, '')
    define_method("#{raw_attr}=") do |val|
      self[raw_attr] = val
      result = auto_html(val, &proc)
      self.send("#{cache_column}=", result)
      val
    end
    
    define_method(cache_column) do
      result = self[cache_column]
      result.respond_to?(:html_safe) ? result.html_safe : result
    end
  end

end