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Contents
module Braintree
class ResourceCollection
include Enumerable
attr_reader :ids
def initialize(response, &block)
@ids = Util.extract_attribute_as_array(response[:search_results], :ids)
@page_size = response[:search_results][:page_size]
@paging_block = block
end
# Yields each item
def each(&block)
@ids.each_slice(@page_size) do |page_of_ids|
resources = @paging_block.call(page_of_ids)
resources.each(&block)
end
end
def empty?
@ids.empty?
end
# Returns the first or the first N items in the collection or nil if the collection is empty
def first(amount = 1)
return nil if @ids.empty?
return @paging_block.call([@ids.first]).first if amount == 1
@ids.first(amount).each_slice(@page_size).flat_map do |page_of_ids|
@paging_block.call(page_of_ids)
end
end
# Only the maximum size of a resource collection can be determined since the data on the server can change while
# fetching blocks of results for iteration. For example, customers can be deleted while iterating, so the number
# of results iterated over may be less than the maximum_size. In general, this method should be avoided.
def maximum_size
@ids.size
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems