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Versions: 14
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Contents
# frozen_string_literal: true
require 'sinclair'
module Azeroth
class Decorator
# @api private
#
# Class responsible for building the hash on
# Decorator#as_json calls
class HashBuilder
# @param decorator [Decorator] decorator that
# will receive all method calls
def initialize(decorator)
@decorator = decorator
end
# Build hash as defined by decorator
#
# The built of the hash keys is defined
# by decorator attributes and method calls
# to the same decorator that will then delgate,
# when needed, to its object
#
# @return [Hash]
def as_json
attributes_map.inject({}) do |hash, (method, options)|
new_hash = KeyValueExtractor.new(decorator, method, options).as_json
hash.merge!(new_hash)
end
end
private
attr_reader :decorator
# @method decorator
# @api private
# @private
#
# decorator with object to be decorated
#
# @return [Decorator]
# attributes to be built to hash
#
# The keys are the methods to be called and
# the values are the exposing options
#
# @return [Hash] hash of pairs method,options
def attributes_map
decorator.class.attributes_map
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems