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Versions: 13
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Contents
module Spree
module Stock
class Packer
attr_reader :stock_location, :inventory_units, :splitters, :allocated_inventory_units
def initialize(stock_location, inventory_units, splitters=[Splitter::Base])
@stock_location = stock_location
@inventory_units = inventory_units
@splitters = splitters
@allocated_inventory_units = []
end
def packages
if splitters.empty?
[default_package]
else
build_splitter.split [default_package]
end
end
def default_package
package = Package.new(stock_location)
# Group by variant_id as grouping by variant fires cached query.
inventory_units.group_by(&:variant_id).each do |variant_id, variant_inventory_units|
variant = Spree::Variant.find(variant_id)
units = variant_inventory_units.clone
if variant.should_track_inventory?
next unless stock_location.stock_item(variant)
on_hand, backordered = stock_location.fill_status(variant, units.size)
on_hand_units, backordered_units = units.slice!(0, on_hand), units.slice!(0, backordered)
package.add_multiple on_hand_units, :on_hand if on_hand > 0
package.add_multiple backordered_units, :backordered if backordered > 0
@allocated_inventory_units += (on_hand_units + backordered_units)
else
package.add_multiple units
@allocated_inventory_units += units
end
end
package
end
private
def build_splitter
splitter = nil
splitters.reverse.each do |klass|
splitter = klass.new(self, splitter)
end
splitter
end
end
end
end
Version data entries
13 entries across 13 versions & 1 rubygems