Contents

module Spree
  class OrderPopulator
    attr_accessor :order, :currency
    attr_reader :errors

    def initialize(order, currency)
      @order = order
      @currency = currency
      @errors = ActiveModel::Errors.new(self)
    end

    #
    # Parameters can be passed using the following possible parameter configurations:
    #
    # * Single variant/quantity pairing
    # +:variants => { variant_id => quantity }+
    #
    # * Multiple products at once
    # +:products => { product_id => variant_id, product_id => variant_id }, :quantity => quantity+
    def populate(from_hash)
      from_hash[:products].each do |product_id,variant_id|
        attempt_cart_add(variant_id, from_hash[:quantity])
      end if from_hash[:products]

      from_hash[:variants].each do |variant_id, quantity|
        attempt_cart_add(variant_id, quantity)
      end if from_hash[:variants]

      valid?
    end

    def valid?
      errors.empty?
    end

    private

    def attempt_cart_add(variant_id, quantity)
      quantity = quantity.to_i
      # 2,147,483,647 is crazy.
      # See issue #2695.
      if quantity > 2_147_483_647
        errors.add(:base, Spree.t(:please_enter_reasonable_quantity, :scope => :order_populator))
        return false
      end

      variant = Spree::Variant.find(variant_id)
      if quantity > 0
        if check_stock_levels(variant, quantity)
          @order.contents.add(variant, quantity, currency)
        end
      end
    end

    def check_stock_levels(variant, quantity)
      display_name = %Q{#{variant.name}}
      display_name += %Q{ (#{variant.options_text})} unless variant.options_text.blank?

      if Stock::Quantifier.new(variant).can_supply? quantity
        true
      else
        errors.add(:base, Spree.t(:out_of_stock, :scope => :order_populator, :item => display_name.inspect))
        return false
      end
    end
  end
end

Version data entries

5 entries across 5 versions & 1 rubygems

Version	Path
spree_core-2.0.3	app/models/spree/order_populator.rb
spree_core-2.0.2	app/models/spree/order_populator.rb
spree_core-2.0.1	app/models/spree/order_populator.rb
spree_core-2.0.0	app/models/spree/order_populator.rb
spree_core-2.0.0.rc1	app/models/spree/order_populator.rb