Sha256: 8a1b43ff2133ef1711a98a22e00644fd866ffd123dc42e2b616f6b381b20f79b
Contents?: true
Size: 1.15 KB
Versions: 34
Compression:
Stored size: 1.15 KB
Contents
module Workarea
module Inventory
# This class represents a collection of {Sku}s. It is more
# performant because it does a single query to grab the
# {Sku}s instead of N+1.
#
class Collection
include Enumerable
attr_reader :skus
delegate :any?, :empty?, :each, :size, :length, to: :records
def initialize(skus, records = nil)
@skus = skus
@records = records
end
# The total number available to sell
#
# return [Integer]
#
def available_to_sell
records.map(&:available_to_sell).sum
end
# Grab the specific {Sku} for a SKU.
# Returns a new, unpersisted {Sku} if one does not exist.
#
# @param sku [String]
# @return [Sku]
#
def for_sku(sku)
records.detect { |r| r.id == sku }
end
def policies
records.map(&:policy)
end
def records
@records ||=
begin
existing = Sku.in(id: skus).to_a
missing_skus = skus - existing.map(&:id)
existing + missing_skus.map { |sku| Sku.new(id: sku ) }
end
end
end
end
end
Version data entries
34 entries across 34 versions & 1 rubygems