Add generate_unassigned_logs_report

app/services/imports/import_report_service.rb

@@ -11,6 +11,7 @@ module Imports
     def create_reports(report_suffix)
       generate_missing_data_coordinators_report(report_suffix)
       generate_logs_report(report_suffix)
+      generate_unassigned_logs_report(report_suffix)
     end
 
     def generate_missing_data_coordinators_report(report_suffix)
@@ -53,5 +54,35 @@ module Imports
 
       @logger.info("Logs report available in s3 import bucket at #{report_name}")
     end
+
+    def generate_unassigned_logs_report(report_suffix)
+      Rails.logger.info("Generating unassigned logs report")
+
+      rep = CSV.generate do |report|
+        headers = ["Owning Organisation ID", "Old Owning Organisation ID", "Managing Organisation ID", "Old Managing Organisation ID", "Log ID", "Old Log ID", "Tenancy code", "Purchaser code"]
+        report << headers
+
+        @institutions_csv.each do |row|
+          name = row[0]
+          organisation = Organisation.find_by(name:)
+          next unless organisation
+
+          unassigned_user = organisation.users.find_by(name: "Unassigned")
+          next unless unassigned_user
+
+          organisation.owned_lettings_logs.where(created_by: unassigned_user).each do |lettings_log|
+            report << [organisation.id, organisation.old_org_id, lettings_log.managing_organisation.id, lettings_log.managing_organisation.old_org_id, lettings_log.id, lettings_log.old_id, lettings_log.tenancycode, nil]
+          end
+          organisation.owned_sales_logs.where(created_by: unassigned_user).each do |sales_log|
+            report << [organisation.id, organisation.old_org_id, nil, nil, sales_log.id, sales_log.old_id, nil, sales_log.purchid]
+          end
+        end
+      end
+
+      report_name = "UnassignedLogsReport_#{report_suffix}"
+      @storage_service.write_file(report_name, BYTE_ORDER_MARK + rep)
+
+      @logger.info("Unassigned logs report available in s3 import bucket at #{report_name}")
+    end
   end
 end

spec/services/imports/import_report_service_spec.rb

@@ -67,4 +67,35 @@ RSpec.describe Imports::ImportReportService do
       report_service.generate_logs_report("report_suffix.csv")
     end
   end
+
+  describe "#generate_unassigned_logs_report" do
+    context "when there is no unassigned user (all the logs have ben assigned)" do
+      let(:institutions_csv) { CSV.parse("Institution name,Id,Old Completed lettings logs,Old In progress lettings logs,Old Completed sales logs,Old In progress sales logs\norg1,1,2,1,4,3", headers: true) }
+
+      it "writes an empty unassigned logs report" do
+        expect(storage_service).to receive(:write_file).with("UnassignedLogsReport_report_suffix.csv", "\uFEFFOwning Organisation ID,Old Owning Organisation ID,Managing Organisation ID,Old Managing Organisation ID,Log ID,Old Log ID,Tenancy code,Purchaser code\n")
+
+        report_service.generate_unassigned_logs_report("report_suffix.csv")
+      end
+    end
+
+    context "when some logs have been added to Unassigned user" do
+      let(:organisation) { create(:organisation, old_org_id: "1", name: "org1") }
+      let(:organisation2) { create(:organisation, old_org_id: "2", name: "org2") }
+      let(:unassigned_user) { create(:user, name: "Unassigned", organisation:) }
+      let(:institutions_csv) { CSV.parse("Institution name,Id,Old Completed lettings logs,Old In progress lettings logs,Old Completed sales logs,Old In progress sales logs\norg1,1,2,1,4,3", headers: true) }
+      let!(:lettings_log) { create(:lettings_log, owning_organisation: organisation, managing_organisation: organisation2, created_by: unassigned_user, tenancycode: "tenancycode", old_id: "12") }
+      let!(:sales_log) { create(:sales_log, owning_organisation: organisation, created_by: unassigned_user, purchid: "purchid", old_id: "23") }
+
+      before do
+        create(:organisation_relationship, parent_organisation: organisation, child_organisation: organisation2)
+      end
+
+      it "writes a report with all unassigned logs" do
+        expect(storage_service).to receive(:write_file).with("UnassignedLogsReport_report_suffix.csv", "\uFEFFOwning Organisation ID,Old Owning Organisation ID,Managing Organisation ID,Old Managing Organisation ID,Log ID,Old Log ID,Tenancy code,Purchaser code\n#{organisation.id},1,#{organisation2.id},2,#{lettings_log.id},12,tenancycode,\n#{organisation.id},1,,,#{sales_log.id},23,,purchid\n")
+
+        report_service.generate_unassigned_logs_report("report_suffix.csv")
+      end
+    end
+  end
 end