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Use destructured arguments when looping through pairs

Minor refactoring of looping behavior for aggregation
This commit is contained in:
Sean Griffin 2014-05-17 14:50:24 -06:00
parent 7359f8190d
commit 113f56d31d

View file

@ -230,8 +230,8 @@ module ActiveRecord
private
def reader_method(name, class_name, mapping, allow_nil, constructor)
define_method(name) do
if @aggregation_cache[name].nil? && (!allow_nil || mapping.any? {|pair| !read_attribute(pair.first).nil? })
attrs = mapping.collect {|pair| read_attribute(pair.first)}
if @aggregation_cache[name].nil? && (!allow_nil || mapping.any? {|key, _| !read_attribute(key).nil? })
attrs = mapping.collect {|key, _| read_attribute(key)}
object = constructor.respond_to?(:call) ?
constructor.call(*attrs) :
class_name.constantize.send(constructor, *attrs)
@ -249,10 +249,10 @@ module ActiveRecord
end
if part.nil? && allow_nil
mapping.each { |pair| self[pair.first] = nil }
mapping.each { |key, _| self[key] = nil }
@aggregation_cache[name] = nil
else
mapping.each { |pair| self[pair.first] = part.send(pair.last) }
mapping.each { |key, value| self[key] = part.send(value) }
@aggregation_cache[name] = part.freeze
end
end