Fix match method

Match cannot call for_address(address).first because for_address does
not return the zone members in order zip_code, state, country.

app/models/solidus_zip_zones/zone_decorator.rb

@@ -57,7 +57,20 @@ def with_shared_members(zone)
       def match(address)
         Spree::Deprecation.warn("Spree::Zone.match is deprecated. Please use Spree::Zone.for_address instead.", caller)
 
-        for_address(address).first
+        # This code can't be replaced with for_address because for_address
+        # does not sort the member in order zip_code, state, country
+        return unless address && (matches =
+                                    for_address(address).
+                                    order(:zone_members_count, :created_at, :id).
+                                    references(:zones))
+
+        ['zip_code', 'state', 'country'].each do |zone_kind|
+          if match = matches.detect { |zone| zone_kind == zone.kind }
+            return match
+          end
+        end
+
+        matches.first
       end
     end
 

spec/models/solidus_zip_zones/zone_decorator_spec.rb

@@ -130,9 +130,16 @@
       end
 
       context "when there are three qualified zones with different member types" do
-        let!(:zip_zone)   { create(:zone, name: 'ZipZone', zipcodes: '12345,12346') }
-
+        let!(:zip_zone)  { create(:zone, zip_codes: zip_codes) }
         let(:state_zone) { create(:zone, name: 'StateZone') }
+
+        let(:zip_codes) do
+          [
+            create(:zip_code, state_code: "AL", name: '12345'),
+            create(:zip_code, state_code: "AL", name: '12346')
+          ]
+        end
+
         let(:address) do
           create(:address,
                  country: country,