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shipment.rb
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shipment.rb
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require 'ostruct'
module Spree
class Shipment < ActiveRecord::Base
belongs_to :order
has_many :shipping_rates
has_many :shipping_methods, through: :shipping_rates
belongs_to :address
belongs_to :stock_location
has_many :state_changes, as: :stateful
has_many :inventory_units, dependent: :destroy
has_one :adjustment, as: :source, dependent: :destroy
before_create :generate_shipment_number
after_save :ensure_selected_shipping_rate, :ensure_correct_adjustment, :update_order
attr_accessor :special_instructions
attr_accessible :order, :special_instructions, :stock_location_id, :tracking,
:address, :inventory_units, :selected_shipping_rate_id
accepts_nested_attributes_for :address
accepts_nested_attributes_for :inventory_units
make_permalink field: :number
scope :shipped, -> { with_state('shipped') }
scope :ready, -> { with_state('ready') }
scope :pending, -> { with_state('pending') }
scope :with_state, ->(*s) { where(state: s) }
scope :trackable, -> { where("tracking IS NOT NULL AND tracking != ''") }
def to_param
number if number
generate_shipment_number unless number
number.to_s.to_url.upcase
end
def backordered?
inventory_units.any? { |inventory_unit| inventory_unit.backordered? }
end
def shipped=(value)
return unless value == '1' && shipped_at.nil?
self.shipped_at = Time.now
end
def shipping_method
selected_shipping_rate.try(:shipping_method) || shipping_rates.first.try(:shipping_method)
end
def add_shipping_method(shipping_method, selected = false)
shipping_rates.create(shipping_method: shipping_method, selected: selected)
end
def selected_shipping_rate
shipping_rates.where(selected: true).first
end
def selected_shipping_rate_id
selected_shipping_rate.try(:id)
end
def selected_shipping_rate_id=(id)
shipping_rates.update_all(selected: false)
shipping_rates.update(id, selected: true)
self.save!
end
def ensure_selected_shipping_rate
shipping_rates.exists?(selected: true) ||
shipping_rates.limit(1).update_all(selected: true)
end
def refresh_rates
return shipping_rates if shipped?
shipping_method_id = shipping_method.try(:id)
self.shipping_rates = Stock::Estimator.new(order).shipping_rates(to_package)
if shipping_method_id
selected_rate = shipping_rates.detect { |rate|
rate.shipping_method_id == shipping_method_id
}
self.selected_shipping_rate_id = selected_rate.id if selected_rate
end
shipping_rates
end
def currency
order ? order.currency : Spree::Config[:currency]
end
# The adjustment amount associated with this shipment (if any.) Returns only the first adjustment to match
# the shipment but there should never really be more than one.
def cost
adjustment ? adjustment.amount : 0
end
alias_method :amount, :cost
def display_cost
Spree::Money.new(cost, { currency: currency })
end
alias_method :display_amount, :display_cost
# shipment state machine (see http://github.com/pluginaweek/state_machine/tree/master for details)
state_machine initial: :pending, use_transactions: false do
event :ready do
transition from: :pending, to: :ready, if: lambda { |shipment|
# Fix for #2040
shipment.determine_state(shipment.order) == :ready
}
end
event :pend do
transition from: :ready, to: :pending
end
event :ship do
transition from: :ready, to: :shipped
end
after_transition to: :shipped, do: :after_ship
event :cancel do
transition to: :canceled, from: [:pending, :ready]
end
after_transition to: :canceled, do: :after_cancel
event :resume do
transition from: :canceled, to: :ready, if: lambda { |shipment|
shipment.determine_state(shipment.order) == :ready
}
transition from: :canceled, to: :pending, if: lambda { |shipment|
shipment.determine_state(shipment.order) == :ready
}
transition from: :canceled, to: :pending
end
after_transition from: :canceled, to: [:pending, :ready], do: :after_resume
end
def editable_by?(user)
!shipped?
end
def manifest
inventory_units.group_by(&:variant).map do |variant, units|
states = {}
units.group_by(&:state).each { |state, iu| states[state] = iu.count }
OpenStruct.new(variant: variant, quantity: units.length, states: states)
end
end
def line_items
if order.complete? and Spree::Config[:track_inventory_levels]
order.line_items.select { |li| inventory_units.pluck(:variant_id).include?(li.variant_id) }
else
order.line_items
end
end
def finalize!
InventoryUnit.finalize_units!(inventory_units)
manifest.each { |item| manifest_unstock(item) }
end
def after_cancel
manifest.each { |item| manifest_restock(item) }
end
def after_resume
manifest.each { |item| manifest_unstock(item) }
end
# Updates various aspects of the Shipment while bypassing any callbacks. Note that this method takes an explicit reference to the
# Order object. This is necessary because the association actually has a stale (and unsaved) copy of the Order and so it will not
# yield the correct results.
def update!(order)
old_state = state
new_state = determine_state(order)
update_column :state, new_state
after_ship if new_state == 'shipped' and old_state != 'shipped'
end
# Determines the appropriate +state+ according to the following logic:
#
# pending unless order is complete and +order.payment_state+ is +paid+
# shipped if already shipped (ie. does not change the state)
# ready all other cases
def determine_state(order)
return 'canceled' if order.canceled?
return 'pending' unless order.can_ship?
return 'pending' if inventory_units.any? &:backordered?
return 'shipped' if state == 'shipped'
order.paid? ? 'ready' : 'pending'
end
def tracking_url
@tracking_url ||= shipping_method.build_tracking_url(tracking)
end
def include?(variant)
inventory_units_for(variant).present?
end
def inventory_units_for(variant)
inventory_units.group_by(&:variant_id)[variant.id] || []
end
def to_package
package = Stock::Package.new(stock_location, order)
inventory_units.each do |inventory_unit|
package.add inventory_unit.variant, 1, inventory_unit.state
end
package
end
private
def manifest_unstock(item)
stock_location.unstock item.variant, item.quantity, self
end
def manifest_restock(item)
stock_location.restock item.variant, item.quantity, self
end
def generate_shipment_number
return number unless number.blank?
record = true
while record
random = "H#{Array.new(11) { rand(9) }.join}"
record = self.class.where(number: random).first
end
self.number = random
end
def description_for_shipping_charge
"#{I18n.t(:shipping)} (#{shipping_method.name})"
end
def validate_shipping_method
unless shipping_method.nil?
errors.add :shipping_method, I18n.t(:is_not_available_to_shipment_address) unless shipping_method.include?(address)
end
end
def after_ship
inventory_units.each &:ship!
adjustment.finalize!
send_shipped_email
touch :shipped_at
end
def send_shipped_email
ShipmentMailer.shipped_email(self.id).deliver
end
def ensure_correct_adjustment
if adjustment
adjustment.originator = shipping_method
adjustment.label = shipping_method.name
adjustment.amount = selected_shipping_rate.cost if adjustment.open?
adjustment.save!
adjustment.reload
elsif shipping_method
shipping_method.create_adjustment shipping_method.adjustment_label, order, self, true
reload #ensure adjustment is present on later saves
end
end
def update_order
order.update!
end
end
end