Prevent organisations to be updated when they exist

app/services/import_service.rb

@@ -1,6 +1,7 @@
 class ImportService
-  def initialize(storage_service)
+  def initialize(storage_service, logger = Rails.logger)
     @storage_service = storage_service
+    @logger = logger
   end
 
   def update_organisations(folder)
@@ -15,8 +16,11 @@ private
 
   def create_organisation(file_io)
     doc = Nokogiri::XML(file_io)
-    Organisation.upsert({
-      name: field_value(doc, "name"),
+    name = field_value(doc, "name")
+    old_visible_id = field_value(doc, "visible-id")
+    begin
+      Organisation.create!(
+        name: name,
         providertype: field_value(doc, "institution-type"),
         phone: field_value(doc, "telephone-number"),
         holds_own_stock: to_boolean(field_value(doc, "holds-stock")),
@@ -35,8 +39,11 @@ private
         supported_housing_units: field_value(doc, "supported-housing-units"),
         unspecified_units: field_value(doc, "unspecified-units"),
         old_org_id: field_value(doc, "id"),
-      old_visible_id: field_value(doc, "visible-id"),
-    }, unique_by: "old_visible_id")
+        old_visible_id: old_visible_id,
+      )
+    rescue ActiveRecord::RecordNotUnique
+      @logger.warn("Organisation #{name} is already present with old visible ID #{old_visible_id}, skipping.")
+    end
   end
 
   def field_value(doc, field)

spec/services/import_service_spec.rb

@@ -2,6 +2,7 @@ require "rails_helper"
 
 RSpec.describe ImportService do
   let(:storage_service) { instance_double(StorageService) }
+  let(:logger) { instance_double(Rails::Rack::Logger) }
   let(:folder_name) { "organisations" }
   let(:filenames) { %w[my_folder/my_file1.xml my_folder/my_file2.xml] }
   let(:fixture_directory) { "spec/fixtures/softwire_imports/organisations" }
@@ -39,8 +40,8 @@ RSpec.describe ImportService do
     end
   end
 
-  context "when importing organisations with duplicate old visible ID" do
-    subject(:import_service) { described_class.new(storage_service) }
+  context "when importing organisations twice" do
+    subject(:import_service) { described_class.new(storage_service, logger) }
 
     before do
       allow(storage_service).to receive(:list_files).and_return([filenames[0]])
@@ -50,16 +51,15 @@ RSpec.describe ImportService do
       )
     end
 
-    it "successfully create and update an organisation" do
+    it "successfully create an organisation the first time, and does not update it" do
       expect(storage_service).to receive(:list_files).with(folder_name).twice
       expect(storage_service).to receive(:get_file_io).with(filenames[0]).twice
+      expect(logger).to receive(:warn).once
 
       expect { import_service.update_organisations(folder_name) }.to change(Organisation, :count).by(1)
       expect { import_service.update_organisations(folder_name) }.to change(Organisation, :count).by(0)
 
-      organisation = Organisation.find_by(old_visible_id: 1)
-      expect(organisation).not_to be_nil
-      expect(organisation.name).to eq("my_new_organisation")
+      expect(Organisation).to exist(old_visible_id: 1, name: "my_organisation")
     end
   end
 end