Class: Spree::InventoryUnit

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/spree/inventory_unit.rb

Class Method Summary collapse

Class Method Details

.assign_opening_inventory(order) ⇒ Object

Assigns inventory to a newly completed order. Should only be called once during the life-cycle of an order, on transition to completed.



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# File 'app/models/spree/inventory_unit.rb', line 37

def self.assign_opening_inventory(order)
  return [] unless order.completed?

  #increase inventory to meet initial requirements
  order.line_items.each do |line_item|
    increase(order, line_item.variant, line_item.quantity)
  end
end

.backorder ⇒ Object 



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# File 'app/models/spree/inventory_unit.rb', line 11

def self.backorder
  warn "[SPREE] Spree::InventoryUnit.backorder will be deprecated in Spree 1.3. Please use Spree::Product.backordered instead."
  backordered
end

.decrease(order, variant, quantity) ⇒ Object 



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# File 'app/models/spree/inventory_unit.rb', line 63

def self.decrease(order, variant, quantity)
  if self.track_levels?(variant)
    variant.increment!(:count_on_hand, quantity)
  end

  if Spree::Config[:create_inventory_units]
    destroy_units(order, variant, quantity)
  end
end

.increase(order, variant, quantity) ⇒ Object

manages both variant.count_on_hand and inventory unit creation



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# File 'app/models/spree/inventory_unit.rb', line 48

def self.increase(order, variant, quantity)
  back_order = determine_backorder(order, variant, quantity)
  sold = quantity - back_order

  #set on_hand if configured
  if self.track_levels?(variant)
    variant.decrement!(:count_on_hand, quantity)
  end

  #create units if configured
  if Spree::Config[:create_inventory_units]
    create_units(order, variant, sold, back_order)
  end
end

.track_levels?(variant) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/models/spree/inventory_unit.rb', line 73

def self.track_levels?(variant)
  Spree::Config[:track_inventory_levels] && !variant.on_demand
end