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Size: 1.1 KB
Versions: 51
Compression:
Stored size: 1.1 KB
Contents
require 'ostruct'
class ThemePresentation
def self.wrap(data, *presenters)
normalized = normalize(data)
presenters = normalize_presenters(presenters)
wrapped_data = presenters.inject(normalized) do |wrapped, presenter|
presenter.new(wrapped)
end
class << wrapped_data
attr_accessor :wrapped_by
end
wrapped_data.wrapped_by = presenters
wrapped_data
end
def self.wrap_collection(collection, *presenters)
collection.collect { |item| wrap(item, *presenters) }
end
private
def self.normalize(data)
if data.is_a? Hash
hash = {}
data.each { |key, value| hash[key] = normalize value }
OpenStruct.new hash
elsif data.is_a? Array
data.collect { |datum| normalize datum }
else
data
end
end
def self.normalize_presenters(presenters)
presenters.reject!(&:nil?)
add_class_delegation(presenters)
presenters
end
def self.add_class_delegation(presenters)
presenters.each do |presenter|
presenter.class_eval do
def class
__getobj__.class
end
end
end
end
end
Version data entries
51 entries across 51 versions & 1 rubygems