WIP: Add shipcloud/ups

app/models/spree/calculator/sysmocom_ups_calculator.rb

@@ -0,0 +1,121 @@
+# AGPLv3 sysmocom s.f.m.c. GmbH
+
+module Spree
+  class Calculator::SysmocomScBaseCalculator < Calculator
+
+    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 extract_dst_dadr(o)
+        if o.kind_of?(Spree::Shipment)
+            return o.address
+        end
+        return o.ship_address
+    end
+
+    def cbrt(x)
+      return x ** (1.0/3)
+    end
+
+    def estimate_dimensions(weight_kg, density_kg_per_dm3)
+      volume_dm3 = weight_kg.to_f / density_kg_per_dm3.to_f
+      volume_cm3 = 1000.0 * volume_dm3
+      # assuming l=3x, w=2x, h1x -> x=6
+      x = cbrt(volume_cm3 / 6)
+      return 3.0 * x, 2.0 * x, 1.0 * x
+    end
+
+    def sc_compute(carrier, service, object)
+      # This could be more than an order but not right now
+      weight = total_weight(object)
+      dst = extract_dst_addr(object)
+      length, width, height = estimate_dimensions(weight, 0.5)
+
+      quote = Shipcloud::ShipmentQuote.create(
+        carrier: carrier,
+        service: service,
+        to: {
+          street: dst.address1,
+          zip_code: dst.zipcode,
+          city: dst.city,
+          country: dst.country.iso,
+        },
+        from: {
+          street: "Alt-Moabit",
+          street_no: "93",
+          zip_code: "10559",
+          city: "Berlin",
+          country: "DE",
+        },
+        package: {
+          weight: weight,
+          width: width,
+          length: length,
+          height: height,
+        },
+      )
+      return quote.price
+    end
+
+    def available?(object)
+      # use 'compute' to determine availability
+      begin
+        price = sc_compute(object)
+      rescue =>
+        return false
+      else
+        return true
+      end
+    end
+
+  end
+
+
+  class Calculator::SysmocomScUpsStdCalculator < SysmocomScBaseCalculator
+    def self.description
+      I18n.t(:sysmocom_ups_standard)
+    end
+
+    def compute(object)
+      return sc_compute('ups', 'standard')
+    end
+  end
+
+  class Calculator::SysmocomScUpsExpressCalculator < SysmocomScBaseCalculator
+    def self.description
+      I18n.t(:sysmocom_ups_express)
+    end
+
+    def compute(object)
+      return sc_compute('ups', 'one_day')
+    end
+  end
+
+  class Calculator::SysmocomScUpsExpeditedCalculator < SysmocomScBaseCalculator
+    def self.description
+      I18n.t(:sysmocom_ups_expedited)
+    end
+
+    def compute(object)
+      return sc_compute('ups', 'ups_expedited')
+    end
+  end
+
+end

lib/sysmocom_dhl/engine.rb

@@ -21,7 +21,10 @@ module SysmocomDhl
       app.config.spree.calculators.shipping_methods += [
          # ActiveSupport magic to search a model...
          Spree::Calculator::SysmocomValueCalculator,
-         Spree::Calculator::SysmocomMailValueCalculator
+         Spree::Calculator::SysmocomMailValueCalculator,
+         Spree::Calculator::SysmocomScUpsStdCalculator,
+         Spree::Calculator::SysmocomScUpsExpressCalculator,
+         Spree::Calculator::SysmocomScUpsExpeditedCalculator,
       ]
     end
 

sysmocom_dhl.gemspec

@@ -1,7 +1,7 @@
 Gem::Specification.new do |s|
   s.platform    = Gem::Platform::RUBY
   s.name        = 'sysmocom_dhl'
-  s.version     = '1.2.0'
+  s.version     = '2.0.0'
   s.summary     = 'sysmocom_dhl shipping helper'
   s.description = 'Deal with shipping cost, zones, insurance'
   s.required_ruby_version = '>= 1.9.1'
@@ -18,6 +18,7 @@ Gem::Specification.new do |s|
   s.requirements << 'none'
 
   s.add_dependency('spree_core', '>= 1.2.0')
+  s.add_dependency('shipcloud')
 
   s.add_development_dependency 'capybara', '1.0.1'
   s.add_development_dependency 'factory_girl', '~> 2.6.4'