Module: Sanitize::Rails::ActiveRecord

Defined in:
lib/sanitize/rails/active_record.rb

Overview

Adds the sanitizes method to ActiveRecord children classes

Instance Method Summary collapse

Instance Method Details

#sanitizes(*fields) ⇒ Object

Generates before_save/before_create filters that implement sanitization on the given fields, in the given callback point.

Usage:

sanitizes :some_field, :some_other_field #, :on => :save

Valid callback points are :save and :create, callbacks are installed “before_” by default. Generated callbacks are named with the “sanitize_” prefix follwed by the field names separated by an underscore.



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# File 'lib/sanitize/rails/active_record.rb', line 18

def sanitizes(*fields)
  options   = fields.extract_options!
  callback  = Engine.callback_for(options)
  sanitizer = Engine.method_for(fields)

  define_method(sanitizer) do                  # # Unrolled version
    fields.each do |field|                     #
      value = read_attribute(field)
      unless value.blank?                      # def sanitize_fieldA_fieldB
        sanitized = Engine.clean(value)        #   write_attribute(fieldA, Engine.clean(read_attribute(fieldA))) unless fieldA.blank?
        write_attribute(field, sanitized)      #   write_attribute(fieldB, Engine.clean(read_attribute(fieldB))) unless fieldB.blank?
      end                                      # end
    end                                        #
  end                                          # end

  protected sanitizer                          # protected :sanitize_fieldA_fieldB
  send callback, sanitizer                     # before_save :sanitize_fieldA_fieldB
end