Display organisation merges for a longer period

app/components/lettings_log_summary_component.html.erb

@@ -28,7 +28,7 @@
           <% end %>
         </p>
       <% end %>
-      <% if current_user.support? || current_user.organisation.has_managing_agents? || current_user.organisation.has_recent_absorbed_organisations? %>
+      <% if current_user.support? || current_user.organisation.has_managing_agents? || current_user.organisation.has_organisations_absorbed_during_displayed_collection_period? %>
         <dl class="app-metadata">
           <% if log.owning_organisation %>
             <div class="app-metadata__item">

app/helpers/filters_helper.rb

@@ -142,11 +142,11 @@ module FiltersHelper
     return true if current_user.organisation.stock_owners.count > 1
     return true if current_user.organisation.stock_owners.count.positive? && current_user.organisation.holds_own_stock?
 
-    current_user.organisation.has_recent_absorbed_organisations?
+    current_user.organisation.has_organisations_absorbed_during_displayed_collection_period?
   end
 
   def non_support_with_managing_orgs?
-    current_user.organisation.managing_agents.count >= 1 || current_user.organisation.has_recent_absorbed_organisations?
+    current_user.organisation.managing_agents.count >= 1 || current_user.organisation.has_organisations_absorbed_during_displayed_collection_period?
   end
 
   def user_lettings_path?

app/models/form_handler.rb

@@ -229,6 +229,10 @@ class FormHandler
     years
   end
 
+  def start_date_of_earliest_lettings_form
+    lettings_forms.values.map(&:start_date).min
+  end
+
 private
 
   def get_all_forms

app/models/organisation.rb

@@ -40,6 +40,7 @@ class Organisation < ApplicationRecord
   scope :filter_by_active, -> { where(active: true) }
   scope :filter_by_inactive, -> { where(active: false) }
   scope :merged_during_open_collection_period, -> { where("merge_date >= ?", FormHandler.instance.start_date_of_earliest_open_for_editing_collection_period) }
+  scope :merged_during_displayed_collection_period, -> { where("merge_date >= ?", FormHandler.instance.start_date_of_earliest_lettings_form) }
 
   has_paper_trail
 
@@ -156,16 +157,20 @@ class Organisation < ApplicationRecord
     sales_logs.after_date(FormHandler.instance.sales_earliest_open_for_editing_collection_start_date).duplicate_sets.map { |array_str| array_str ? array_str.map(&:to_i) : [] }
   end
 
-  def recently_absorbed_organisations_grouped_by_merge_date
+  def organisations_absorbed_during_displayed_collection_period_grouped_by_merge_date
-    return unless absorbed_organisations.present? && absorbed_organisations.merged_during_open_collection_period.present?
+    return unless absorbed_organisations.present? && absorbed_organisations.merged_during_displayed_collection_period.present?
 
-    absorbed_organisations.merged_during_open_collection_period.group_by(&:merge_date)
+    absorbed_organisations.merged_during_displayed_collection_period.group_by(&:merge_date)
   end
 
   def has_recent_absorbed_organisations?
     absorbed_organisations&.merged_during_open_collection_period.present?
   end
 
+  def has_organisations_absorbed_during_displayed_collection_period?
+    absorbed_organisations&.merged_during_displayed_collection_period.present?
+  end
+
   def organisation_or_stock_owner_signed_dsa_and_holds_own_stock?
     return true if data_protection_confirmed? && holds_own_stock?
     return true if stock_owners.any? { |stock_owner| stock_owner.data_protection_confirmed? && stock_owner.holds_own_stock? }

app/views/organisations/_merged_organisation_details.html.erb

@@ -1,6 +1,6 @@
-<% if @organisation.recently_absorbed_organisations_grouped_by_merge_date.present? %>
+<% if @organisation.organisations_absorbed_during_displayed_collection_period_grouped_by_merge_date.present? %>
   <%= govuk_details(summary_text: "View all organisations that were merged into #{@organisation.name}") do %>
-    <% @organisation.recently_absorbed_organisations_grouped_by_merge_date.each do |merge_date, organisations| %>
+    <% @organisation.organisations_absorbed_during_displayed_collection_period_grouped_by_merge_date.each do |merge_date, organisations| %>
       <p><strong>Merge date:</strong> <%= merge_date&.to_formatted_s(:govuk_date) %></p>
       <%= govuk_table do |table| %>
         <%= table.with_head do |head| %>

spec/requests/organisations_controller_spec.rb

@@ -410,8 +410,25 @@ RSpec.describe OrganisationsController, type: :request do
             let!(:other_absorbed_organisation) { create(:organisation, name: "Other Absorbed Organisation") }
 
             before do
-              absorbed_organisation.update!(merge_date: Time.zone.local(2021, 4, 3), absorbing_organisation: organisation)
+              absorbed_organisation.update!(merge_date: Time.zone.today - 2.years, absorbing_organisation: organisation)
-              other_absorbed_organisation.update!(merge_date: Time.zone.local(2021, 4, 3), absorbing_organisation: organisation)
+              other_absorbed_organisation.update!(merge_date: Time.zone.today - 2.years, absorbing_organisation: organisation)
+              get "/organisations/#{organisation.id}/details", headers:, params: {}
+            end
+
+            it "displays absorbed organisations" do
+              expect(page).to have_content("View all organisations that were merged into #{organisation.name}")
+              expect(page).to have_content("First Absorbed Organisation")
+              expect(page).to have_content("Other Absorbed Organisation")
+            end
+          end
+
+          context "when the organisation has absorbed other organisations during a collection period before archived" do
+            let!(:absorbed_organisation) { create(:organisation, name: "First Absorbed Organisation") }
+            let!(:other_absorbed_organisation) { create(:organisation, name: "Other Absorbed Organisation") }
+
+            before do
+              absorbed_organisation.update!(merge_date: Time.zone.today - 3.years, absorbing_organisation: organisation)
+              other_absorbed_organisation.update!(merge_date: Time.zone.today - 3.years, absorbing_organisation: organisation)
               get "/organisations/#{organisation.id}/details", headers:, params: {}
             end