Sha256: cc49ebc75600551df598e0f99fc01a9676f8a133c638fe9121e3e6c96a63fc72
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Size: 1.17 KB
Versions: 6
Compression:
Stored size: 1.17 KB
Contents
require 'og/relation'
module Og
class RefersTo < Relation
def self.foreign_key(rel)
"#{rel[:foreign_name] || rel[:target_singular_name]}_#{rel[:target_class].primary_key}"
end
def enchant
raise "#{target_singular_name} in #{owner_class} refers to an undefined class" if target_class.nil?
self[:foreign_key] = "#{foreign_name || target_singular_name}_#{target_class.primary_key}"
if self[:field]
field = ", :field => :#{self[:field]}"
end
owner_class.module_eval %{
attr_accessor :#{target_singular_name}
prop_accessor :#{foreign_key}, #{target_class.primary_key.klass}#{field}, :relation => true
def #{target_singular_name}(reload = false)
return nil if @#{foreign_key}.nil?
# will reload if forced or first load or
if reload or not @#{target_singular_name}
@#{target_singular_name} = #{target_class}[@#{foreign_key}]
end
@#{target_singular_name}
end
def #{target_singular_name}=(obj)
@#{foreign_key} = obj.#{target_class.primary_key} if obj
end
}
end
end
end
# * George Moschovitis <gm@navel.gr>
# * Michael Neumann <mneumann@ntecs.de>
Version data entries
6 entries across 6 versions & 1 rubygems