/usr/lib/ruby/vendor_ruby/active_record/associations/preloader/through_association.rb is in ruby-activerecord-3.2 3.2.16-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | module ActiveRecord
module Associations
class Preloader
module ThroughAssociation #:nodoc:
def through_reflection
reflection.through_reflection
end
def source_reflection
reflection.source_reflection
end
def associated_records_by_owner
through_records = through_records_by_owner
ActiveRecord::Associations::Preloader.new(
through_records.values.flatten,
source_reflection.name, options
).run
through_records.each do |owner, records|
records.map! { |r| r.send(source_reflection.name) }.flatten!
records.compact!
end
end
private
def through_records_by_owner
ActiveRecord::Associations::Preloader.new(
owners, through_reflection.name,
through_options
).run
Hash[owners.map do |owner|
through_records = Array.wrap(owner.send(through_reflection.name))
# Dont cache the association - we would only be caching a subset
if (preload_options != through_options) ||
(reflection.options[:source_type] && through_reflection.collection?)
owner.association(through_reflection.name).reset
end
[owner, through_records]
end]
end
def through_options
through_options = {}
if options[:source_type]
through_options[:conditions] = { reflection.foreign_type => options[:source_type] }
else
if options[:conditions]
through_options[:include] = options[:include] || options[:source]
through_options[:conditions] = options[:conditions]
end
through_options[:order] = options[:order] if options.has_key?(:order)
end
through_options
end
end
end
end
end
|