Module: DatastaxRails::AttributeMethods::Typecasting

Extended by:
ActiveSupport::Concern
Defined in:
lib/datastax_rails/attribute_methods/typecasting.rb

Overview

Handles the mapping of attributes to their appropriate DatastaxRails::Column so that they can be typecasted.

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#initialize_attributes(attributes) ⇒ Object

This is a hook for use by modules that need to do extra stuff to attributes when they are initialized. (e.g. attribute serialization)



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# File 'lib/datastax_rails/attribute_methods/typecasting.rb', line 20

def initialize_attributes(attributes) #:nodoc:
  attrs = {}
  attributes.each do |k, v|
    col = column_for_attribute(k)
    next unless col
    if col.type == :map && k.to_s != col.name.to_s
      # See if we have a matching dynamic attribute column
      self.class.map_columns.each do |mcol|
        if k.to_s.starts_with?(mcol.name.to_s)
          attrs[mcol.name.to_s] ||= mcol.wrap_collection({}, self)
          attrs[mcol.name.to_s][k.to_s] = v
        end
      end
    else
      attrs[k.to_s] = col.collection? ? col.wrap_collection(v, self) : v
    end
  end
  attrs
end