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Contents
module CabooseStore
class LineItem < ActiveRecord::Base
self.table_name = 'store_line_items'
belongs_to :variant
belongs_to :order, :dependent => :destroy
belongs_to :parent, :class_name => 'LineItem', :foreign_key => 'parent_id'
has_many :children, :class_name => 'LineItem', :foreign_key => 'parent_id'
attr_accessible :id,
:variant_id,
:quantity,
:price,
:notes,
:order_id,
:status,
:tracking_number,
:custom1,
:custom2,
:custom3
#
# Scopes
#
scope :pending, where('status = ?', 'pending')
scope :fulfilled, where('status = ?', 'shipped')
scope :unfulfilled, where('status != ?', 'shipped')
#
# Validations
#
validates :status, :inclusion => {
:in => ['pending', 'shipped'],
:message => "%{value} is not a valid status. Must be either 'pending' or 'shipped'"
}
validates :quantity, :numericality => { :greater_than_or_equal_to => 0 }
validate :quantity_in_stock
def quantity_in_stock
errors.add(:base, "There #{self.variant.quantity_in_stock > 1 ? 'are' : 'is'} only #{self.variant.quantity_in_stock} left in stock.") if self.variant.quantity_in_stock - self.quantity < 0
end
#
# Callbacks
#
before_save :update_price
after_save { self.order.calculate }
#
# Methods
#
def update_price
self.price = self.variant.price * self.quantity
end
def title
if self.variant.product.variants.count > 1
"#{self.variant.product.title} - #{self.variant.title}"
else
self.variant.product.title
end
end
def as_json(options={})
self.attributes.merge({
:variant => self.variant,
:title => self.title,
:product => { :images => self.variant.product.product_images }
})
end
def subtotal
return self.quantity * self.price
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems