Add service for acknowledging subscriptions (#48)

lib/candy_check/play_store.rb

@@ -7,6 +7,8 @@
 require "candy_check/play_store/product_acknowledgements/acknowledgement"
 require "candy_check/play_store/product_acknowledgements/response"
 require "candy_check/play_store/subscription_purchases/subscription_verification"
+require "candy_check/play_store/subscription_acknowledgements/acknowledgement"
+require "candy_check/play_store/subscription_acknowledgements/response"
 require "candy_check/play_store/verification_failure"
 require "candy_check/play_store/verifier"
 require "candy_check/play_store/acknowledger"

lib/candy_check/play_store/acknowledger.rb

@@ -14,6 +14,15 @@ def acknowledge_product_purchase(package_name:, product_id:, token:)
         )
         acknowledger.call!
       end
+
+      def acknowledge_subscription_purchase(package_name:, subscription_id:, token:)
+        CandyCheck::PlayStore::SubscriptionAcknowledgements::Acknowledgement.new(
+          package_name: package_name,
+          subscription_id: subscription_id,
+          token: token,
+          authorization: @authorization,
+        ).call!
+      end
     end
   end
 end

lib/candy_check/play_store/subscription_acknowledgements/acknowledgement.rb

@@ -0,0 +1,45 @@
+module CandyCheck
+  module PlayStore
+    module SubscriptionAcknowledgements
+      # Acknowledges a subscription through the API
+
+      class Acknowledgement
+        # @return [String] the package_name which will be queried
+        attr_reader :package_name
+        # @return [String] the item id which will be queried
+        attr_reader :subscription_id
+        # @return [String] the token for authentication
+        attr_reader :token
+
+        # Initializes a new call to the API
+        # @param package_name [String]
+        # @param subscription_id [String]
+        # @param token [String]
+        def initialize(package_name:, subscription_id:, token:, authorization:)
+          @package_name = package_name
+          @subscription_id = subscription_id
+          @token = token
+          @authorization = authorization
+        end
+
+        def call!
+          acknowledge!
+
+          CandyCheck::PlayStore::SubscriptionAcknowledgements::Response.new(
+            result: @response[:result], error_data: @response[:error_data])
+        end
+
+        private
+
+        def acknowledge!
+          service = CandyCheck::PlayStore::AndroidPublisherService.new
+
+          service.authorization = @authorization
+          service.acknowledge_purchase_subscription(package_name, subscription_id, token) do |result, error_data|
+            @response = { result: result, error_data: error_data }
+          end
+        end
+      end
+    end
+  end
+end

lib/candy_check/play_store/subscription_acknowledgements/response.rb

@@ -0,0 +1,24 @@
+module CandyCheck
+  module PlayStore
+    module SubscriptionAcknowledgements
+      class Response
+        def initialize(result:, error_data:)
+          @result = result
+          @error_data = error_data
+        end
+
+        def acknowledged?
+          !!result
+        end
+
+        def error
+          return unless error_data
+
+          { status_code: error_data.status_code, body: error_data.body }
+        end
+
+        attr_reader :result, :error_data
+      end
+    end
+  end
+end