tap/app/models/order.rb
2015-04-04 03:38:29 +02:00

64 lines
1.6 KiB
Ruby

# == Schema Information
#
# Table name: orders
#
# id :integer not null, primary key
# user_id :integer
# price_cents :integer
# created_at :datetime not null
# updated_at :datetime not null
# cancelled :boolean default("f")
#
class Order < ActiveRecord::Base
include ActionView::Helpers::TextHelper
after_create { self.user.increment!(:debt_cents, price_cents) }
belongs_to :user, counter_cache: true
has_many :order_items, dependent: :destroy
has_many :products, through: :order_items
scope :active, -> { where(cancelled: false) }
validates :user, presence: true
validates :order_items, presence: true, in_stock: true
accepts_nested_attributes_for :order_items, reject_if: proc { |oi| oi[:count].to_i <= 0 }
def price_cents
self.order_items.map{ |oi| oi.count * oi.product.price_cents }.sum
end
def price
self.price_cents / 100.0
end
def price=(_)
write_attribute(:price_cents, price_cents)
end
def cancel
return if self.cancelled
user.decrement!(:debt_cents, price_cents)
User.decrement_counter(:orders_count, user.id)
update_attribute(:cancelled, true)
self.order_items.each(&:cancel)
end
def to_sentence
self.order_items.map {
|oi| pluralize(oi.count, oi.product.name)
}.to_sentence
end
def g_order_items(products)
products.each do |p|
if (oi = self.order_items.select { |t| t.product == p }).size > 0
oi.first.count = [oi.first.product.stock, oi.first.count].min
else
self.order_items.build(product: p)
end
end
end
end