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Contents
module Spree
module Stock
class Quantifier
attr_reader :variant, :stock_location
def initialize(variant, stock_location = nil)
@variant = variant
@stock_location = stock_location
end
def total_on_hand
@total_on_hand ||= if variant.should_track_inventory?
stock_items.sum(:count_on_hand)
else
BigDecimal::INFINITY
end
end
def backorderable?
@backorderable ||= stock_items.any?(&:backorderable)
end
def can_supply?(required = 1)
variant.available? && (total_on_hand >= required || backorderable?)
end
def stock_items
@stock_items ||= scope_to_location(variant.stock_items)
end
private
def scope_to_location(collection)
return collection.with_active_stock_location if stock_location.blank?
collection.where(stock_location: stock_location)
end
end
end
end
Version data entries
19 entries across 19 versions & 1 rubygems