Don't activate charges via API

.tool-versions

@@ -1,3 +1,4 @@
 nodejs 13.7.0
 postgres 10.4
 ruby 2.6.5
+yarn 1.22.10

CHANGELOG.md

@@ -1,6 +1,10 @@
 # Change Log
 All notable changes to this project will be documented in this file.
 
+## Unreleased
+### Changed
+- Address the [Shopify API deprecation of charge activation](https://shopify.dev/changelog/auto-activation-of-charges-and-subscriptions)
+
 ## 0.18.3 - 2021-07-23
 ### Changed
 - Address the [Shopify API deprecation of page-based pagination](https://shopify.dev/changelog/page-based-pagination-replaced-by-cursor-based-pagination-across-multiple-rest-endpoints) in favour of cursor-based in the `Synchronises` concern.

app/controllers/disco_app/charges_controller.rb

@@ -21,9 +21,14 @@ def create
     end
   end
 
-  # Attempt to activate a charge after a user has accepted or declined it.
+  # Attempt to activate a charge (locally) after a user has accepted or declined it.
   # Redirect to the main application's root URL immediately afterwards - if the
   # charge wasn't accepted, the flow will start again.
+  #
+  # Previously, the activation of a charge also required updating Shopify via the
+  # API, but that requirement has been removed.
+  #
+  # See https://shopify.dev/changelog/auto-activation-of-charges-and-subscriptions
   def activate
     # First attempt to find a matching charge.
     if (charge = @subscription.charges.find_by(id: params[:id], shopify_id: params[:charge_id])).nil?

app/services/disco_app/charges_service.rb

@@ -32,8 +32,13 @@ def self.create(shop, subscription)
     charge
   end
 
-  # Attempt to activate the given Shopify charge for the given Shop using the
-  # Shopify API. Returns true on successful activation, false otherwise.
+  # Synchronises the status of a given charge from the Shopify API and returns
+  # true if it's active (and false otherwise).
+  #
+  # Previously, the activation of a charge also required updating Shopify via the
+  # API, but that requirement has been removed.
+  #
+  # See https://shopify.dev/changelog/auto-activation-of-charges-and-subscriptions
   def self.activate(shop, charge)
     # Start by fetching the Shopify charge to check that it was accepted.
     shopify_charge = shop.with_api_context do
@@ -43,20 +48,13 @@ def self.activate(shop, charge)
     # Update the status of the local charge based on the Shopify charge.
     charge.send("#{shopify_charge.status}!") if charge.respond_to? "#{shopify_charge.status}!"
 
-    # If the charge wasn't accepted, fail and return.
-    return false unless charge.accepted?
-
-    # If the charge was indeed accepted, activate it via Shopify.
-    charge.shop.with_api_context do
-      shopify_charge.activate
-    end
+    # If the charge isn't active, fail and return.
+    return false unless charge.active?
 
     # If the charge was recurring, make sure that all other local recurring
     # charges are marked inactive.
     cancel_recurring_charges(shop, charge) if charge.recurring?
 
-    charge.active!
-
     true
   rescue StandardError
     false

test/controllers/disco_app/charges_controller_test.rb

@@ -86,8 +86,7 @@ def teardown
   end
 
   test 'user trying to activate accepted charge succeeds and is redirected to the root page' do
-    stub_api_request(:get, "#{@shop.admin_url}/recurring_application_charges/654381179.json", 'widget_store/charges/get_accepted_recurring_application_charge')
-    stub_api_request(:post, "#{@shop.admin_url}/recurring_application_charges/654381179/activate.json", 'widget_store/charges/activate_recurring_application_charge')
+    stub_api_request(:get, "#{@shop.admin_url}/recurring_application_charges/654381179.json", 'widget_store/charges/get_active_recurring_application_charge')
 
     @current_subscription.active_charge.destroy
     get :activate, params: { subscription_id: @current_subscription, id: @new_charge.id, charge_id: @new_charge.shopify_id }

test/dummy/package.json

@@ -1,8 +1,10 @@
 {
   "dependencies": {
-    "@rails/webpacker": "^4.0.7"
+    "@rails/webpacker": "5.4.3",
+    "webpack": "^4.46.0",
+    "webpack-cli": "^3.3.12"
   },
   "devDependencies": {
-    "webpack-dev-server": "^3.9.0"
+    "webpack-dev-server": "^3"
   }
 }

test/fixtures/api/widget_store/charges/activate_application_charge_request.json → test/fixtures/api/widget_store/charges/get_active_application_charge_response.json

@@ -4,7 +4,7 @@
     "name": "Lifetime",
     "api_client_id": 755357713,
     "price": "49.00",
-    "status": "accepted",
+    "status": "active",
     "return_url": "https://test.example.com/subscriptions/304261385/charges/629961174/activate",
     "created_at": "2015-09-02T14:52:56-04:00",
     "updated_at": "2015-09-02T14:52:56-04:00",

test/fixtures/api/widget_store/charges/activate_recurring_application_charge_request.json → test/fixtures/api/widget_store/charges/get_active_recurring_application_charge_response.json

@@ -4,13 +4,13 @@
     "name": "Basic",
     "api_client_id": 755357713,
     "price": "9.99",
-    "status": "accepted",
+    "status": "active",
     "return_url": "https://test.example.com/subscriptions/304261385/charges/629961174/activate",
     "billing_on": null,
     "created_at": "2015-09-02T14:50:32-04:00",
     "updated_at": "2015-09-02T14:50:32-04:00",
     "test": true,
-    "activated_on": null,
+    "activated_on": "2015-09-02T14:50:32-04:00",
     "trial_ends_on": null,
     "cancelled_on": null,
     "trial_days": 14,

test/services/disco_app/charges_service_test.rb

@@ -57,8 +57,7 @@ def teardown
   end
 
   test 'activating an accepted recurring charge is successful and cancels any existing recurring charges' do
-    stub_api_request(:get, "#{@shop.admin_url}/recurring_application_charges/654381179.json", 'widget_store/charges/get_accepted_recurring_application_charge')
-    stub_api_request(:post, "#{@shop.admin_url}/recurring_application_charges/654381179/activate.json", 'widget_store/charges/activate_recurring_application_charge')
+    stub_api_request(:get, "#{@shop.admin_url}/recurring_application_charges/654381179.json", 'widget_store/charges/get_active_recurring_application_charge')
 
     old_charge = @subscription.active_charge
     assert old_charge.active?
@@ -71,8 +70,7 @@ def teardown
   end
 
   test 'activating an accepted recurring charge cancels other recurring charges' do
-    stub_api_request(:get, "#{@shop.admin_url}/recurring_application_charges/654381179.json", 'widget_store/charges/get_accepted_recurring_application_charge')
-    stub_api_request(:post, "#{@shop.admin_url}/recurring_application_charges/654381179/activate.json", 'widget_store/charges/activate_recurring_application_charge')
+    stub_api_request(:get, "#{@shop.admin_url}/recurring_application_charges/654381179.json", 'widget_store/charges/get_active_recurring_application_charge')
 
     assert DiscoApp::ChargesService.activate(@shop, @new_charge)
     assert @new_charge.active?
@@ -101,8 +99,7 @@ def teardown
   end
 
   test 'activating an accepted one-time charge is successful' do
-    stub_api_request(:get, "#{@dev_shop.admin_url}/application_charges/1012637323.json", 'widget_store/charges/get_accepted_application_charge')
-    stub_api_request(:post, "#{@dev_shop.admin_url}/application_charges/1012637323/activate.json", 'widget_store/charges/activate_application_charge')
+    stub_api_request(:get, "#{@dev_shop.admin_url}/application_charges/1012637323.json", 'widget_store/charges/get_active_application_charge')
 
     assert DiscoApp::ChargesService.activate(@dev_shop, @dev_new_charge)
     assert @dev_new_charge.active?