Fire events for subscription payment method updates

4 files changed, 71 insertions, 2 deletions

diff --git a/app/decorators/models/solidus_subscriptions/spree/wallet_payment_source/report_default_change_to_subscriptions.rb b/app/decorators/models/solidus_subscriptions/spree/wallet_payment_source/report_default_change_to_subscriptions.rb
new file mode 100644
index 0000000..6ee754e
--- /dev/null
+++ b/app/decorators/models/solidus_subscriptions/spree/wallet_payment_source/report_default_change_to_subscriptions.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+module SolidusSubscriptions
+  module Spree
+    module WalletPaymentSource
+      module ReportDefaultChangeToSubscriptions
+        def self.prepended(base)
+          base.after_save :report_default_change_to_subscriptions
+        end
+
+        private
+
+        def report_default_change_to_subscriptions
+          return if !previous_changes.key?('default') || !default?
+
+          user.subscriptions.with_default_payment_source.each do |subscription|
+            ::Spree::Event.fire(
+              'solidus_subscriptions.subscription_payment_method_changed',
+              subscription: subscription,
+            )
+          end
+        end
+      end
+    end
+  end
+end
+
+Spree::WalletPaymentSource.prepend(SolidusSubscriptions::Spree::WalletPaymentSource::ReportDefaultChangeToSubscriptions)
diff --git a/app/models/solidus_subscriptions/subscription.rb b/app/models/solidus_subscriptions/subscription.rb
index d3dd2f5..08de3c9 100644
--- a/app/models/solidus_subscriptions/subscription.rb
+++ b/app/models/solidus_subscriptions/subscription.rb
@@ -74,6 +74,10 @@ module SolidusSubscriptions
       joins(:installments).merge(Installment.unfulfilled)
     end)
 
+    scope :with_default_payment_source, (lambda do
+      where(payment_method: nil, payment_source: nil)
+    end)
+
     def self.ransackable_scopes(_auth_object = nil)
       [:in_processing_state]
     end
@@ -325,6 +329,13 @@ module SolidusSubscriptions
           subscription: self,
         )
       end
+
+      if previous_changes.key?('payment_source_id') || previous_changes.key?('payment_source_type') || previous_changes.key?('payment_method_id')
+        ::Spree::Event.fire(
+          'solidus_subscriptions.subscription_payment_method_changed',
+          subscription: self,
+        )
+      end
     end
   end
 end
diff --git a/spec/models/solidus_subscriptions/subscription_spec.rb b/spec/models/solidus_subscriptions/subscription_spec.rb
index 60a37e6..21e1015 100644
--- a/spec/models/solidus_subscriptions/subscription_spec.rb
+++ b/spec/models/solidus_subscriptions/subscription_spec.rb
@@ -64,6 +64,18 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
         subscription: subscription,
       )
     end
+
+    it 'tracks payment method changes' do
+      stub_const('Spree::Event', class_spy(Spree::Event))
+
+      subscription = create(:subscription)
+      subscription.update!(payment_source: create(:credit_card))
+
+      expect(Spree::Event).to have_received(:fire).with(
+        'solidus_subscriptions.subscription_payment_method_changed',
+        subscription: subscription,
+      )
+    end
   end
 
   describe '#cancel' do
@@ -445,7 +457,7 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
     end
 
     context 'when the subscription has no payment method' do
-      it "returns the default source from the user's wallet" do
+      it "returns the default source from the user's wallet_payment_source" do
         user = create(:user)
         payment_source = create(:credit_card, gateway_customer_profile_id: 'BGS-123', user: user)
         wallet_payment_source = user.wallet.add(payment_source)
@@ -487,7 +499,7 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
     end
 
     context 'when the subscription has no payment method' do
-      it "returns the method from the default source in the user's wallet" do
+      it "returns the method from the default source in the user's wallet_payment_source" do
         user = create(:user)
         payment_source = create(:credit_card, gateway_customer_profile_id: 'BGS-123', user: user)
         wallet_payment_source = user.wallet.add(payment_source)
diff --git a/spec/models/spree/wallet_payment_source_spec.rb b/spec/models/spree/wallet_payment_source_spec.rb
new file mode 100644
index 0000000..374e235
--- /dev/null
+++ b/spec/models/spree/wallet_payment_source_spec.rb
@@ -0,0 +1,18 @@
+RSpec.describe Spree::WalletPaymentSource do
+  describe 'setting it as the default' do
+    it 'reports a payment method changed event for subscriptions that use the default payment source' do
+      stub_const('Spree::Event', class_spy(Spree::Event))
+      user = create(:user)
+      subscription = create(:subscription, user: user)
+      payment_source = create(:credit_card, user: user)
+      wallet_payment_source = user.wallet.add(payment_source)
+
+      user.wallet.default_wallet_payment_source = wallet_payment_source
+
+      expect(Spree::Event).to have_received(:fire).with(
+        'solidus_subscriptions.subscription_payment_method_changed',
+        subscription: subscription,
+      )
+    end
+  end
+end