CLDC-3605 View relationships page (#2606)

app/controllers/merge_requests_controller.rb

@@ -9,6 +9,7 @@ class MergeRequestsController < ApplicationController
   def helpdesk_ticket; end
   def merge_start_confirmation; end
   def user_outcomes; end
+  def relationship_outcomes; end
   def scheme_outcomes; end
 
   def create
@@ -64,7 +65,14 @@ class MergeRequestsController < ApplicationController
 
   def start_merge
     if @merge_request.status == "ready_to_merge"
-      @merge_request.update!(processing: true, last_failed_attempt: nil, total_users: @merge_request.total_visible_users_after_merge, total_schemes: @merge_request.total_visible_schemes_after_merge)
+      @merge_request.update!(
+        processing: true,
+        last_failed_attempt: nil,
+        total_users: @merge_request.total_visible_users_after_merge,
+        total_schemes: @merge_request.total_visible_schemes_after_merge,
+        total_stock_owners: @merge_request.total_stock_owners_after_merge,
+        total_managing_agents: @merge_request.total_managing_agents_after_merge,
+      )
       ProcessMergeRequestJob.perform_later(merge_request: @merge_request)
     end
 

app/helpers/merge_requests_helper.rb

@@ -27,7 +27,7 @@ module MergeRequestsHelper
       { label: "Total users after merge", value: display_value_or_placeholder(merge_request.total_users_label), action: merge_outcome_action(merge_request, "user_outcomes") },
       { label: "Total schemes after merge", value: display_value_or_placeholder(merge_request.total_schemes_label), action: merge_outcome_action(merge_request, "scheme_outcomes") },
       { label: "Total logs after merge", value: merge_request.total_lettings_logs.present? || merge_request.total_sales_logs.present? ? "#{merge_request.total_lettings_logs} lettings logs<br>#{merge_request.total_sales_logs} sales logs".html_safe : display_value_or_placeholder(nil), action: { text: "View", href: "#", visually_hidden_text: "total logs after merge" } },
-      { label: "Total stock owners & managing agents after merge", value: merge_request.total_stock_owners.present? || merge_request.total_managing_agents.present? ? "#{merge_request.total_stock_owners} stock owners<br>#{merge_request.total_managing_agents} managing agents".html_safe : display_value_or_placeholder(nil), action: { text: "View", href: "#", visually_hidden_text: "total stock owners & managing agents after merge" } },
+      { label: "Total stock owners & managing agents after merge", value: display_value_or_placeholder(merge_request.total_stock_owners_managing_agents_label), action: merge_outcome_action(merge_request, "relationship_outcomes") },
     ]
   end
 
@@ -108,6 +108,72 @@ module MergeRequestsHelper
     "#{"#{count} user".pluralize(count)} after merge"
   end
 
+  def total_stock_owners_after_merge_text(merge_request)
+    count = merge_request.total_stock_owners_after_merge
+    "#{"#{count} stock owner".pluralize(count)} after merge"
+  end
+
+  def total_managing_agents_after_merge_text(merge_request)
+    count = merge_request.total_managing_agents_after_merge
+    "#{"#{count} managing agent".pluralize(count)} after merge"
+  end
+
+  def related_organisations(merge_request, relationship_type)
+    organisations =  merge_request.absorbing_organisation.send(relationship_type.pluralize).visible + merge_request.merging_organisations.flat_map { |org| org.send(relationship_type.pluralize).visible }
+    organisations += [merge_request.absorbing_organisation] + merge_request.merging_organisations
+    organisations.group_by { |relationship| relationship }.select { |_, occurrences| occurrences.size > 1 }.keys
+  end
+
+  def related_organisations_text(merge_request, relationship_type)
+    if related_organisations(merge_request, relationship_type).any?
+      "Some of the organisations merging have common #{relationship_type.humanize(capitalize: false).pluralize}.<br><br>"
+    else
+      ""
+    end
+  end
+
+  def organisations_without_relationships(merge_request, relationship_type)
+    ([merge_request.absorbing_organisation] + merge_request.merging_organisations).select { |org| org.send(relationship_type.pluralize).visible.empty? }
+  end
+
+  def organisations_without_relationships_text(organisations_without_relationships, relationship_type)
+    return "" unless organisations_without_relationships.any?
+
+    org_names = organisations_without_relationships.map(&:name).to_sentence
+    verb = organisations_without_relationships.count > 1 ? "have" : "has"
+    "#{org_names} #{verb} no #{relationship_type.humanize(capitalize: false).pluralize}.<br><br>"
+  end
+
+  def generate_organisation_link_text(organisation_count, org, relationship_type)
+    "View #{organisation_count == 1 ? 'the' : 'all'} #{organisation_count} #{org.name} #{relationship_type.humanize(capitalize: false).pluralize(organisation_count)} (opens in a new tab)"
+  end
+
+  def relationship_text(merge_request, relationship_type, organisation_path_helper)
+    text = ""
+    organisations_without_relationships = organisations_without_relationships(merge_request, relationship_type)
+
+    text += related_organisations_text(merge_request, relationship_type)
+    text += organisations_without_relationships_text(organisations_without_relationships, relationship_type)
+
+    ([merge_request.absorbing_organisation] + merge_request.merging_organisations).each do |org|
+      organisation_count = org.send(relationship_type.pluralize).visible.count
+      next if organisation_count.zero?
+
+      link_text = generate_organisation_link_text(organisation_count, org, relationship_type)
+      text += "#{govuk_link_to(link_text, send(organisation_path_helper, org), target: '_blank')}<br><br>"
+    end
+
+    text.html_safe
+  end
+
+  def stock_owners_text(merge_request)
+    relationship_text(merge_request, "stock_owner", :stock_owners_organisation_path)
+  end
+
+  def managing_agent_text(merge_request)
+    relationship_text(merge_request, "managing_agent", :managing_agents_organisation_path)
+  end
+
   def merging_organisations_without_schemes_text(organisations)
     return "" unless organisations.count.positive?
 

app/models/merge_request.rb

@@ -62,7 +62,7 @@ class MergeRequest < ApplicationRecord
   end
 
   def total_users_label
-    "#{total_visible_users_after_merge} #{'User'.pluralize(total_visible_users_after_merge)}"
+    "#{total_visible_users_after_merge} #{'user'.pluralize(total_visible_users_after_merge)}"
   end
 
   def organisations_with_users
@@ -84,7 +84,7 @@ class MergeRequest < ApplicationRecord
   end
 
   def total_schemes_label
-    "#{total_visible_schemes_after_merge} #{'Scheme'.pluralize(total_visible_schemes_after_merge)}"
+    "#{total_visible_schemes_after_merge} #{'scheme'.pluralize(total_visible_schemes_after_merge)}"
   end
 
   def organisations_with_schemes
@@ -98,4 +98,43 @@ class MergeRequest < ApplicationRecord
 
     ([absorbing_organisation] + merging_organisations).reject(&:has_visible_schemes?)
   end
+
+  def filter_relationships(absorbing_relationships, merging_relationships, absorbing_organisation, merging_organisations)
+    filtered_absorbing_relationships = absorbing_relationships.reject do |relationship|
+      merging_relationships.include?(relationship) || merging_organisations.include?(relationship)
+    end
+
+    filtered_merging_relationships = merging_relationships.reject do |relationship|
+      absorbing_relationships.include?(relationship) || relationship == absorbing_organisation || merging_organisations.include?(relationship)
+    end
+
+    (filtered_absorbing_relationships + filtered_merging_relationships).uniq
+  end
+
+  def total_stock_owners_after_merge
+    return total_stock_owners if status == STATUS[:request_merged] || status == STATUS[:processing]
+
+    absorbing_stock_owners = absorbing_organisation.stock_owners.visible
+    merging_stock_owners = merging_organisations.flat_map { |org| org.stock_owners.visible }
+
+    total_filtered_stock_owners = filter_relationships(absorbing_stock_owners, merging_stock_owners, absorbing_organisation, merging_organisations)
+    total_filtered_stock_owners.count
+  end
+
+  def total_managing_agents_after_merge
+    return total_managing_agents if status == STATUS[:request_merged] || status == STATUS[:processing]
+
+    absorbing_managing_agents = absorbing_organisation.managing_agents.visible
+    merging_managing_agents = merging_organisations.flat_map { |org| org.managing_agents.visible }
+
+    total_filtered_managing_agents = filter_relationships(absorbing_managing_agents, merging_managing_agents, absorbing_organisation, merging_organisations)
+    total_filtered_managing_agents.count
+  end
+
+  def total_stock_owners_managing_agents_label
+    stock_owners_count = total_stock_owners_after_merge
+    managing_agents_count = total_managing_agents_after_merge
+
+    "#{stock_owners_count} #{'stock owner'.pluralize(stock_owners_count)}\n#{managing_agents_count} #{'managing agent'.pluralize(managing_agents_count)}"
+  end
 end

app/views/merge_requests/relationship_outcomes.html.erb

@@ -0,0 +1,23 @@
+<% content_for :before_content do %>
+  <% title = "Stock owners & managing agents".html_safe %>
+  <% content_for :title, title %>
+  <%= govuk_back_link href: merge_request_path(@merge_request) %>
+<% end %>
+
+<h1 class="govuk-heading-l">
+  <span class="govuk-caption-l"><%= @merge_request.absorbing_organisation_name %></span>
+  Stock owners & managing agents
+</h1>
+
+<% unless @merge_request.status == "request_merged" || @merge_request.status == "processing" %>
+  <h2 class="govuk-heading-m"><%= total_stock_owners_after_merge_text(@merge_request) %></h2>
+  <p class="govuk-body">
+    <%= stock_owners_text(@merge_request) %>
+  </p>
+  <hr class="govuk-section-break govuk-section-break--m govuk-section-break--visible govuk-!-width-one-half">
+  <br>
+  <h2 class="govuk-heading-m"><%= total_managing_agents_after_merge_text(@merge_request) %></h2>
+  <p class="govuk-body">
+    <%= managing_agent_text(@merge_request) %>
+  </p>
+<% end %>

config/routes.rb

@@ -211,6 +211,7 @@ Rails.application.routes.draw do
       get "helpdesk-ticket"
       get "merge-start-confirmation"
       get "user-outcomes"
+      get "relationship-outcomes"
       get "scheme-outcomes"
       get "delete-confirmation", to: "merge_requests#delete_confirmation"
       delete "delete", to: "merge_requests#delete"

spec/helpers/merge_requests_helper_spec.rb

@@ -110,4 +110,52 @@ RSpec.describe MergeRequestsHelper do
       end
     end
   end
+
+  describe "when creating relationship outcomes content" do
+    let(:stock_owner1) { create(:organisation, name: "Stock owner 1") }
+    let(:stock_owner2) { create(:organisation, name: "Stock owner 2") }
+    let(:managing_agent1) { create(:organisation, name: "Managing agent 1") }
+    let(:managing_agent2) { create(:organisation, name: "Managing agent 2") }
+    let(:absorbing_organisation) { create(:organisation, name: "Absorbing Org") }
+    let(:merging_organisations) { create_list(:organisation, 2) { |org, i| org.name = "Dummy Org #{i + 1}" } }
+    let(:merge_request) { create(:merge_request, absorbing_organisation:, merging_organisations:) }
+
+    context "when there are no relationships" do
+      it "returns text stating there are no stock owners" do
+        expect(stock_owners_text(merge_request)).to eq("Absorbing Org, Dummy Org 1, and Dummy Org 2 have no stock owners.<br><br>")
+      end
+
+      it "returns text stating there are no managing agents" do
+        expect(managing_agent_text(merge_request)).to eq("Absorbing Org, Dummy Org 1, and Dummy Org 2 have no managing agents.<br><br>")
+      end
+    end
+
+    context "when there are stock owners" do
+      before do
+        create(:organisation_relationship, child_organisation: absorbing_organisation, parent_organisation: stock_owner1)
+        create(:organisation_relationship, child_organisation: merging_organisations.first, parent_organisation: stock_owner2)
+        create(:organisation_relationship, child_organisation: merging_organisations.first, parent_organisation: stock_owner1)
+      end
+
+      it "returns text stating the relationships" do
+        expect(stock_owners_text(merge_request)).to include("Some of the organisations merging have common stock owners.")
+        expect(stock_owners_text(merge_request)).to include("Dummy Org 2 has no stock owners.")
+        expect(stock_owners_text(merge_request)).to include("<a class=\"govuk-link\" target=\"_blank\" href=\"/organisations/#{merging_organisations.first.id}/stock-owners\">View all 2 Dummy Org 1 stock owners (opens in a new tab)</a>")
+      end
+    end
+
+    context "when there are managing agents" do
+      before do
+        create(:organisation_relationship, parent_organisation: absorbing_organisation, child_organisation: managing_agent1)
+        create(:organisation_relationship, parent_organisation: absorbing_organisation, child_organisation: managing_agent2)
+        create(:organisation_relationship, parent_organisation: merging_organisations.first, child_organisation: managing_agent2)
+      end
+
+      it "returns text stating the relationships" do
+        expect(managing_agent_text(merge_request)).to include("Some of the organisations merging have common managing agents.")
+        expect(managing_agent_text(merge_request)).to include("Dummy Org 2 has no managing agents.")
+        expect(managing_agent_text(merge_request)).to include("<a class=\"govuk-link\" target=\"_blank\" href=\"/organisations/#{merging_organisations.first.id}/managing-agents\">View the 1 Dummy Org 1 managing agent (opens in a new tab)</a>")
+      end
+    end
+  end
 end

spec/models/merge_request_spec.rb

@@ -397,4 +397,43 @@ RSpec.describe MergeRequest, type: :model do
       end
     end
   end
+
+  describe "relationship outcomes" do
+    let(:stock_owner1) { create(:organisation, name: "Stock owner 1") }
+    let(:stock_owner2) { create(:organisation, name: "Stock owner 2") }
+    let(:stock_owner3) { create(:organisation, name: "Stock owner 3") }
+    let(:managing_agent1) { create(:organisation, name: "Managing agent 1") }
+    let(:managing_agent2) { create(:organisation, name: "Managing agent 2") }
+    let(:absorbing_organisation) { create(:organisation, name: "Absorbing Org") }
+    let(:merging_organisations) { create_list(:organisation, 2) { |org, i| org.name = "Dummy Org #{i + 1}" } }
+    let(:merge_request) { create(:merge_request, absorbing_organisation:, merging_organisations:) }
+
+    before do
+      create(:organisation_relationship, child_organisation: absorbing_organisation, parent_organisation: stock_owner1)
+      create(:organisation_relationship, child_organisation: merging_organisations.first, parent_organisation: stock_owner2)
+      create(:organisation_relationship, child_organisation: merging_organisations.first, parent_organisation: stock_owner1)
+      create(:organisation_relationship, child_organisation: merging_organisations.first, parent_organisation: stock_owner3)
+      create(:organisation_relationship, parent_organisation: absorbing_organisation, child_organisation: managing_agent1)
+      create(:organisation_relationship, parent_organisation: absorbing_organisation, child_organisation: managing_agent2)
+      create(:organisation_relationship, parent_organisation: merging_organisations.first, child_organisation: managing_agent2)
+    end
+
+    describe "#total_stock_owners_after_merge" do
+      it "returns the correct count of stock owners after merge" do
+        expect(merge_request.total_stock_owners_after_merge).to eq(2)
+      end
+    end
+
+    describe "#total_managing_agents_after_merge" do
+      it "returns the correct count of managing agents after merge" do
+        expect(merge_request.total_managing_agents_after_merge).to eq(1)
+      end
+    end
+
+    describe "#total_stock_owners_managing_agents_label" do
+      it "returns the correct label" do
+        expect(merge_request.total_stock_owners_managing_agents_label).to eq("2 stock owners\n1 managing agent")
+      end
+    end
+  end
 end

spec/requests/merge_requests_controller_spec.rb

@@ -485,40 +485,54 @@ RSpec.describe MergeRequestsController, type: :request do
 
         it "shows users and schemes count and has links to view merge outcomes" do
           expect(page).to have_link("View", href: scheme_outcomes_merge_request_path(merge_request))
-          expect(page).to have_content("4 Users")
-          expect(page).to have_content("4 Schemes")
+          expect(page).to have_content("4 users")
+          expect(page).to have_content("4 schemes")
         end
       end
 
       context "with a merged request" do
-        let(:merge_request) { create(:merge_request, request_merged: true, total_users: 34, total_schemes: 12) }
+        let(:merge_request) { create(:merge_request, request_merged: true, total_users: 34, total_schemes: 12, total_stock_owners: 8, total_managing_agents: 5) }
 
         it "shows saved users count and doesn't have links to view merge outcomes" do
           expect(merge_request.status).to eq("request_merged")
           expect(page).not_to have_link("View", href: user_outcomes_merge_request_path(merge_request))
-          expect(page).to have_content("34 Users")
+          expect(page).to have_content("34 users")
         end
 
         it "shows saved schemes count and doesn't have links to view merge outcomes" do
           expect(merge_request.status).to eq("request_merged")
           expect(page).not_to have_link("View", href: scheme_outcomes_merge_request_path(merge_request))
-          expect(page).to have_content("12 Schemes")
+          expect(page).to have_content("12 schemes")
+        end
+
+        it "shows stock owners and managing agents count and doesn't have links to view merge outcomes" do
+          expect(merge_request.status).to eq("request_merged")
+          expect(page).not_to have_link("View", href: relationship_outcomes_merge_request_path(merge_request))
+          expect(page).to have_content("8 stock owners")
+          expect(page).to have_content("5 managing agents")
         end
       end
 
       context "with a processing request" do
-        let(:merge_request) { create(:merge_request, processing: true, total_users: 51, total_schemes: 33) }
+        let(:merge_request) { create(:merge_request, processing: true, total_users: 51, total_schemes: 33, total_stock_owners: 15, total_managing_agents: 20) }
 
         it "shows saved users count and doesn't have links to view merge outcomes" do
           expect(merge_request.status).to eq("processing")
           expect(page).not_to have_link("View", href: user_outcomes_merge_request_path(merge_request))
-          expect(page).to have_content("51 Users")
+          expect(page).to have_content("51 users")
         end
 
         it "shows saved schemes count and doesn't have links to view merge outcomes" do
           expect(merge_request.status).to eq("processing")
           expect(page).not_to have_link("View", href: scheme_outcomes_merge_request_path(merge_request))
-          expect(page).to have_content("33 Schemes")
+          expect(page).to have_content("33 schemes")
+        end
+
+        it "shows stock owners and managing agents count and doesn't have links to view merge outcomes" do
+          expect(merge_request.status).to eq("processing")
+          expect(page).not_to have_link("View", href: relationship_outcomes_merge_request_path(merge_request))
+          expect(page).to have_content("15 stock owners")
+          expect(page).to have_content("20 managing agents")
         end
       end
     end

spec/views/merge_requests/show.html.erb_spec.rb

@@ -84,12 +84,10 @@ RSpec.describe "merge_requests/show.html.erb", type: :view do
 
     it "displays the total stock owners & managing agents after merge details" do
       expect(rendered).to have_selector("dt", text: "Total stock owners & managing agents after merge")
-      if merge_request.total_stock_owners.present? || merge_request.total_managing_agents.present?
-        combined_text = []
-        combined_text << "#{merge_request.total_stock_owners} stock owners" if merge_request.total_stock_owners.present?
-        combined_text << "#{merge_request.total_managing_agents} managing agents" if merge_request.total_managing_agents.present?
-        expect(rendered).to have_selector("dd", text: combined_text.join(""))
-      end
+      combined_text = []
+      combined_text << "#{merge_request.total_stock_owners} stock owners" if merge_request.total_stock_owners.present?
+      combined_text << "#{merge_request.total_managing_agents} managing agents" if merge_request.total_managing_agents.present?
+      expect(rendered).to have_selector("dd", text: combined_text.join("\n"))
     end
   end
 end