1 files changed, 18 insertions, 6 deletions
diff --git a/lib/super_good/solidus_taxjar.rb b/lib/super_good/solidus_taxjar.rb
index 818947d..ba4ff48 100644
--- a/lib/super_good/solidus_taxjar.rb
+++ b/lib/super_good/solidus_taxjar.rb
@@ -11,21 +11,33 @@ require "super_good/solidus_taxjar/discount_calculator"
 module SuperGood
   module SolidusTaxJar
     class << self
+      attr_accessor :cache_duration
+      attr_accessor :cache_key
       attr_accessor :discount_calculator
-      attr_accessor :test_mode
       attr_accessor :exception_handler
-      attr_accessor :taxable_address_check
-      attr_accessor :shipping_tax_label_maker
       attr_accessor :line_item_tax_label_maker
+      attr_accessor :shipping_tax_label_maker
+      attr_accessor :taxable_address_check
+      attr_accessor :test_mode
     end
 
+    self.cache_duration = 3.hours
+    self.cache_key = ->(order) {
+      APIParams.order_params(order).transform_values do |value|
+        case value
+        when Array, Hash then value.hash
+        else
+          value
+        end
+      end
+    }
     self.discount_calculator = ::SuperGood::SolidusTaxJar::DiscountCalculator
-    self.test_mode = false
     self.exception_handler = ->(e) {
       Rails.logger.error "An error occurred while fetching TaxJar tax rates - #{e}: #{e.message}"
     }
-    self.taxable_address_check = ->(address) { true }
-    self.shipping_tax_label_maker = ->(shipment, shipping_tax) { "Sales Tax" }
     self.line_item_tax_label_maker = ->(taxjar_line_item, spree_line_item) { "Sales Tax" }
+    self.shipping_tax_label_maker = ->(shipment, shipping_tax) { "Sales Tax" }
+    self.taxable_address_check = ->(address) { true }
+    self.test_mode = false
   end
 end