13024: fix dfc catalog sync for blank cart

app/controllers/cart_controller.rb

@@ -11,7 +11,7 @@ class CartController < BaseController
       order.cap_quantity_at_stock!
       order.recreate_all_fees!
 
-      StockSyncJob.sync_linked_catalogs(order)
+      StockSyncJob.sync_linked_catalogs_later(order)
 
       render json: { error: false, stock_levels: stock_levels(order) }, status: :ok
     else

app/jobs/stock_sync_job.rb

@@ -8,26 +8,12 @@ class StockSyncJob < ApplicationJob
   # product. These variants are rare though and we check first before we
   # enqueue a new job. That should save some time loading the order with
   # all the stock data to make this decision.
-  def self.sync_linked_catalogs(order)
-    user = order.distributor.owner
-    catalog_ids(order).each do |catalog_id|
-      perform_later(user, catalog_id)
-    end
-  rescue StandardError => e
-    # Errors here shouldn't affect the shopping. So let's report them
-    # separately:
-    Alert.raise_with_record(e, order)
+  def self.sync_linked_catalogs_later(order)
+    sync_categories_by_perform_method(order, :perform_later)
   end
 
   def self.sync_linked_catalogs_now(order)
-    user = order.distributor.owner
-    catalog_ids(order).each do |catalog_id|
-      perform_now(user, catalog_id)
-    end
-  rescue StandardError => e
-    # Errors here shouldn't affect the shopping. So let's report them
-    # separately:
-    Alert.raise_with_record(e, order)
+    sync_categories_by_perform_method(order, :perform_now)
   end
 
   def self.catalog_ids(order)
@@ -72,4 +58,18 @@ class StockSyncJob < ApplicationJob
       .includes(:semantic_links).references(:semantic_links)
       .where(semantic_links: { semantic_id: product_ids })
   end
+
+  def self.sync_categories_by_perform_method(order, perform_method)
+    distributor = order.distributor
+    return unless distributor
+
+    user = distributor.owner
+    catalog_ids(order).each do |catalog_id|
+      public_send(perform_method, user, catalog_id)
+    end
+  rescue StandardError => e
+    # Errors here shouldn't affect the shopping. So let's report them
+    # separately:
+    Alert.raise_with_record(e, order)
+  end
 end

spec/jobs/stock_sync_job_spec.rb

@@ -14,8 +14,8 @@ RSpec.describe StockSyncJob do
     "https://env-0105831.jcloud-ver-jpe.ik-server.com/api/dfc/Enterprises/test-hodmedod/SuppliedProducts"
   }
 
-  describe ".sync_linked_catalogs" do
-    subject { StockSyncJob.sync_linked_catalogs(order) }
+  describe ".sync_linked_catalogs_later" do
+    subject { StockSyncJob.sync_linked_catalogs_later(order) }
     it "ignores products without semantic link" do
       expect { subject }.not_to enqueue_job(StockSyncJob)
     end
@@ -35,6 +35,15 @@ RSpec.describe StockSyncJob do
 
       expect { subject }.not_to raise_error
     end
+
+    context "when order has no distributor" do
+      let!(:order) { create(:order) }
+
+      it 'should not raise error' do
+        expect(Bugsnag).not_to receive(:notify).and_call_original
+        expect { subject }.not_to raise_error
+      end
+    end
   end
 
   describe ".sync_linked_catalogs_now" do
@@ -59,6 +68,15 @@ RSpec.describe StockSyncJob do
 
       expect { subject }.not_to raise_error
     end
+
+    context "when order has no distributor" do
+      let!(:order) { create(:order) }
+
+      it 'should not raise error' do
+        expect(Bugsnag).not_to receive(:notify).and_call_original
+        expect { subject }.not_to raise_error
+      end
+    end
   end
 
   describe "#perform" do