order

order.rb

class Order
  include ActiveModel::Validations

  attr_accessor :shipping_address, :billing_address, :items, :packages

  def initialize(attributes = {})
    attributes.each do |name, value|

      if ['shipping_address', 'billing_address'].include? name and value.is_a? Hash
        value = Address.new(value)
      end

      send("#{name}=", value)
    end

    self.shipping_address ||= Address.new
    self.billing_address ||= Address.new
    self.items ||= Array.new
  end

  def persisted?  
    false  
  end

  def get_items
    GalleryItem.in(:id => self.items.keys).map{|x| {
      :name => x.name,
      :quantity => self.items[x.id.to_s],
      :description => x.details,
      :amount => ("%.2f" % ( x.price * 100 )).to_i
      }}
  end

  def compute_packages
    self.packages = Array.new
    
    items = get_items
    items.each do |item|
      packageval = self.packages.find(){|x| x.add_item(item)}
      unless packageval
        p = Package.new
        p.add_item(item)
        self.packages.push(p)
      end
    end
  end

  def calculate_shipping
    origin = Location.new(:country => 'US',
      :state => 'NY',
      :city => 'Canton',
      :zip => '13617')
    destination = Location.new(:country => self.shipping_address.country,
      :state => self.shipping_address.state,
      :city => self.shipping_address.city,
      :zip => self.shipping_address.zip)

    usps = USPS.new(:login => '432JUDIT6085')

    response = usps.find_rates(origin, destination, packages)
    usps_rates = response.rates.sort_by(&:price).collect {|rate| [rate.service_name, rate.price]}
  end

end

class Package

  attr_accessor :spaces, :items, :weight

  def initialize(attributes = {})
    attributes.each do |name, value|
      send("#{name}=", value)
    end

    self.spaces ||= 6
    self.weight ||= 0
    self.items ||= Array.new
  end

  def persisted?  
    false  
  end

  def add_item(item)

    if item.gallery.slug == 'scarves'
      spaces = 3
      weight = 1
    else
      spaces = 1
      weight = 0.33
    end

    if spaces <= self.spaces
      self.items.push item
      self.weight += weight
      return true
    else
      return false
    end

  end

end


class Address
  include ActiveModel::Validations

  attr_accessor :first_name, :middle_intial, :last_name, :country, :address1, :address2, :city, :state, :zip, :phone

  validates_presence_of :first_name, :last_name, :country, :address1, :city, :state, :zip, :phone

  def initialize(attributes = {})
    attributes.each do |name, value|
      send("#{name}=", value)
    end
  end

  def persisted?  
    false  
  end
end