Add convenient class for normalizing addresses

2 files changed, 42 insertions, 0 deletions

diff --git a/lib/super_good/solidus_taxjar.rb b/lib/super_good/solidus_taxjar.rb
index f45db80..7bdeb03 100644
--- a/lib/super_good/solidus_taxjar.rb
+++ b/lib/super_good/solidus_taxjar.rb
@@ -9,6 +9,7 @@ require "super_good/solidus_taxjar/calculator_helper"
 require "super_good/solidus_taxjar/tax_calculator"
 require "super_good/solidus_taxjar/tax_rate_calculator"
 require "super_good/solidus_taxjar/discount_calculator"
+require "super_good/solidus_taxjar/addresses"
 
 module SuperGood
   module SolidusTaxJar
diff --git a/lib/super_good/solidus_taxjar/addresses.rb b/lib/super_good/solidus_taxjar/addresses.rb
new file mode 100644
index 0000000..8103269
--- /dev/null
+++ b/lib/super_good/solidus_taxjar/addresses.rb
@@ -0,0 +1,41 @@
+module SuperGood
+  module SolidusTaxJar
+    class Addresses
+      class << self
+        def normalize(spree_address)
+          new.normalize(spree_address)
+        end
+      end
+
+      def initialize(api: ::SuperGood::SolidusTaxJar.api)
+        @api = api
+      end
+
+      def normalize(spree_address)
+        taxjar_address = api.validate_spree_address(spree_address).first
+
+        return if taxjar_address.nil?
+
+        Spree::Address.immutable_merge(spree_address, {
+          country: us, # TaxJar only supports the US currently.
+          state: state(taxjar_address.state),
+          zipcode: taxjar_address.zip,
+          city: taxjar_address.city,
+          address1: taxjar_address.street
+        })
+      end
+
+      private
+
+      attr_reader :api
+
+      def us
+        Spree::Country.find_by iso: "US"
+      end
+
+      def state(abbr)
+        us.states.find_by_abbr abbr
+      end
+    end
+  end
+end