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Contents
module Delayed
class PerformableMethod < Struct.new(:object, :method, :args)
CLASS_STRING_FORMAT = /^CLASS\:([A-Z][\w\:]+)$/
AR_STRING_FORMAT = /^AR\:([A-Z][\w\:]+)\:(\d+)$/
def initialize(object, method, args)
raise NoMethodError, "undefined method `#{method}' for #{self.inspect}" unless object.respond_to?(method)
self.object = dump(object)
self.args = args.map { |a| dump(a) }
self.method = method.to_sym
end
def display_name
case self.object
when CLASS_STRING_FORMAT then "#{$1}.#{method}"
when AR_STRING_FORMAT then "#{$1}##{method}"
else "Unknown##{method}"
end
end
def perform
load(object).send(method, *args.map{|a| load(a)})
rescue ActiveRecord::RecordNotFound
# We cannot do anything about objects which were deleted in the meantime
true
end
private
def load(arg)
case arg
when CLASS_STRING_FORMAT then $1.constantize
when AR_STRING_FORMAT then $1.constantize.find($2)
else arg
end
end
def dump(arg)
case arg
when Class then class_to_string(arg)
when ActiveRecord::Base then ar_to_string(arg)
else arg
end
end
def ar_to_string(obj)
"AR:#{obj.class}:#{obj.id}"
end
def class_to_string(obj)
"CLASS:#{obj.name}"
end
end
end
Version data entries
110 entries across 110 versions & 38 rubygems