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Versions: 102
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Contents
# Used by Prioritizer to adjust item quantities
# see prioritizer_spec for use cases
module Spree
module Stock
class Adjuster
attr_accessor :required_quantity, :received_quantity, :backorder_package,
:backorder_item
def initialize(inventory_unit)
self.required_quantity = inventory_unit.required_quantity
self.backorder_package = nil
self.backorder_item = nil
self.received_quantity = 0
end
def adjust(package_to_adjust, item)
if fulfilled?
package_to_adjust.remove_item item
elsif item.backordered?
# We only use the first backorder item to fill backorders
# as the items/packages are processed in priority order
if backorder_package.nil?
self.backorder_package = package_to_adjust
self.backorder_item = item
else
package_to_adjust.remove_item item
end
else
if item.quantity >= remaining_quantity
item.quantity = remaining_quantity
end
self.received_quantity += item.quantity
update_backorder
end
end
def update_backorder
return if backorder_package.nil?
if fulfilled?
backorder_package.remove_item backorder_item
elsif backorder_item.present?
backorder_item.quantity = remaining_quantity
end
end
def fulfilled?
remaining_quantity.zero?
end
def remaining_quantity
required_quantity - received_quantity
end
end
end
end
Version data entries
102 entries across 102 versions & 1 rubygems