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Contents
module Toy
module AssociationSerialization
extend ActiveSupport::Concern
include Serialization
def serializable_hash(options = nil)
options ||= {}
super.tap { |hash|
serializable_add_includes(options) do |association, records, opts|
hash[association] = records.is_a?(Enumerable) ?
records.map { |r| r.serializable_hash(opts) } :
records.serializable_hash(opts)
end
}
end
private
# Add associations specified via the <tt>:includes</tt> option.
# Expects a block that takes as arguments:
# +association+ - name of the association
# +records+ - the association record(s) to be serialized
# +opts+ - options for the association records
def serializable_add_includes(options = {})
return unless include_associations = options.delete(:include)
base_only_or_except = { :except => options[:except],
:only => options[:only] }
include_has_options = include_associations.is_a?(Hash)
associations = include_has_options ? include_associations.keys : Array.wrap(include_associations)
for association in associations
records = if self.class.list?(association)
send(association).to_a
elsif self.class.reference?(association) || self.class.parent_reference?(association)
send(association)
end
unless records.nil?
association_options = include_has_options ? include_associations[association] : base_only_or_except
opts = options.merge(association_options)
yield(association, records, opts)
end
end
options[:include] = include_associations
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems