sysmocom Deutsche Post DHL Shipping Calculator
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# AGPLv3 sysmocom s.f.m.c. GmbH
module Spree
class Calculator::SysmocomMailValueCalculator < Calculator
def self.description
I18n.t(:sysmocom_mail_value_based)
end
def total_value_no_tax(o)
item_total = o.line_items.map(&:amount).sum
item_total
end
def total_weight(o)
weight = 0
o.line_items.each do |li|
weight += li.quantity * li.variant.weight
end
return weight
end
def extract_iso_code(o)
if o.kind_of?(Spree::Shipment)
return o.address.country.iso
end
return o.ship_address.country.iso
end
def postage_for_weight_DE(weight)
# Maxibrief Einschreiben: 5.50
if weight < 1000
return 5.50
else
return 99999
end
end
def postage_for_weight_INTL(weight)
# Warenpost International Unterschrift S: 8.50 / M: 12.50 / L: 23.40
if weight < 500
return 8.50
elsif weight < 1000
return 12.50
elsif weight < 2000
return 23.40
else
return 99999
end
end
def self.available?(object)
iso_code = extract_iso_code(object)
weight = total_weight(object)
if iso_code == 'DE'
if weight < 1000
return true
else
return false
end
else
# Letters have a maximum weight of 2kg
if weight < 2000
return true
else
return false
end
end
end
def compute(object)
# This could be more than an order but not right now
shipping_value = total_value_no_tax(object)
weight = total_weight(object)
iso_code = extract_iso_code(object)
if iso_code == 'DE'
base = postage_for_weight_DE(weight)
else
base = postage_for_weight_INTL(weight)
# We need to add insurance..
if shipping_value > 20
# Wert Intenational: 2.50 + 2 EUR je 100 EUR Haftungssumme
base += 2.5 + (((shipping_value.round / 100) + 1) * 2)
end
end
return base
end
end
end