Class: Caboose::OrderPackage

Inherits:
ActiveRecord::Base
  • Object
show all
Defined in:
app/models/caboose/order_package.rb

Constant Summary collapse

STATUS_PENDING = 
'Pending'
STATUS_SHIPPED = 
'Shipped'

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.create_for_order(order) ⇒ Object

Calculates the shipping packages required for all the items in the order



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# File 'app/models/caboose/order_package.rb', line 18

def self.create_for_order(order)

  # Make sure all the line items in the order have a quantity of 1
  extra_line_items = []
  order.line_items.each do |li|        
    if li.quantity > 1          
      (1..li.quantity).each{ |i|            
        extra_line_items << li.copy 
      }
      li.quantity = 1
      li.save
    end        
  end
  extra_line_items.each do |li|         
    li.quantity = 1                        
    li.save 
  end 
  
  # Make sure all the items in the order have attributes set
  order.line_items.each do |li|              
    v = li.variant
    Caboose.log("Error: variant #{v.id} has a zero weight") and return false if v.weight.nil? || v.weight == 0
    next if v.volume && v.volume > 0
    Caboose.log("Error: variant #{v.id} has a zero length") and return false if v.length.nil? || v.length == 0
    Caboose.log("Error: variant #{v.id} has a zero width" ) and return false if v.width.nil?  || v.width  == 0
    Caboose.log("Error: variant #{v.id} has a zero height") and return false if v.height.nil? || v.height == 0        
    v.volume = v.length * v.width * v.height
    v.save
  end
        
  # Reorder the items in the order by volume            
  h = {}
  order.line_items.each do |li|
    (1..li.quantity).each do |i|        
      v = li.variant          
      h[v.volume] = li          
    end
  end      
  line_items = h.sort_by{ |k,v| k }.collect{ |x| x[1] }      
  all_packages = ShippingPackage.reorder(:price).all      
  
  # Now go through each variant and fit it in a new or existing package
  line_items.each do |li|
    
    # See if the item will fit in any of the existing packages
    it_fits = false
    order.packages.each do |op|
      it_fits = op.fits(li)
      if it_fits
        li.order_package_id = op.id
        li.save            
        break
      end
    end        
    next if it_fits
    
    # Otherwise find the cheapest package the item will fit into
    all_packages.each do |sp|          
      if sp.fits(li.variant)
        op = OrderPackage.create(:order_id => order.id, :shipping_package_id => sp.id)
        li.order_package_id = op.id
        li.save                          
        break
      end
    end
           
  end                      
end

Instance Method Details

#activemerchant_package ⇒ Object

Gets the activemerchant package based on the shipping package



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# File 'app/models/caboose/order_package.rb', line 94

def activemerchant_package      
  weight = 0.0
  self.line_items.each{ |li| weight = weight + li.variant.weight }
  weight = weight * 0.035274 # Convert from grams to ounces
  sp = self.shipping_package
  return Package.new(weight, [sp.length, sp.width, sp.height], :units => :imperial)
end

#fits(line_item = nil) ⇒ Object 



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# File 'app/models/caboose/order_package.rb', line 87

def fits(line_item = nil)
  variants = self.line_items.collect{ |li| li.variant }
  variants << line_item.variant if line_item
  return self.shipping_package.fits(variants)
end