Contents

require 'yaml'
require 'activesupport'
class ActiveYAML
  @instances = []
  def initialize(h)
    @h = h
  end
  
  def self.inherited(p)
    data = YAML.load_file("#{RAILS_ROOT}/db/yaml/#{p.name.underscore}.yml")
    p.class_eval do
      @instances = []
      fields = []
      for id, entry in data
        entry.merge!({'id' => id})
        @instances << self.new(entry)
        for key, value in entry
          unless fields.include? key
            fields << key
            eval "def #{key}; @h[\"#{key}\"]; end"
            class_eval "def self.find_by_#{key}(x); @instances.find { |i| i.#{key} == x }; end"
            class_eval "def self.find_all_by_#{key}(x); @instances.find_all { |i| i.#{key} == x }; end"
          end
        end
        class_eval "def self.find(id); find_by_id(id) or raise ActiveRecord::RecordNotFound; end"
        class_eval "def self.first; @instances.first or raise ActiveRecord::RecordNotFound; end"
        class_eval "def self.last; @instances.last or raise ActiveRecord::RecordNotFound; end"
      end
      
      def self.find_all
        @instances
      end
    end
  end
end

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
ascheink-active_yaml-0.0.1	lib/active_yaml.rb
ascheink-active_yaml-0.0.2	lib/active_yaml.rb