From 2d2989cc6718352e74e1578dd40de2cbb05a4e19 Mon Sep 17 00:00:00 2001
From: kosiakkatrina <54268893+kosiakkatrina@users.noreply.github.com>
Date: Fri, 30 Aug 2024 12:57:24 +0100
Subject: [PATCH] CLDC-3609 Add existing absorbing organisation merge request
 question (#2600)

* Add existing absorbing organisation page and field

* Update status calculation and add new question to check answers

* Call correct merge service flow

* Update test

* Update test
---
 app/controllers/merge_requests_controller.rb  |  8 +++
 app/helpers/merge_requests_helper.rb          |  5 +-
 app/jobs/process_merge_request_job.rb         |  5 +-
 app/models/merge_request.rb                   |  7 +++
 .../existing_absorbing_organisation.html.erb  | 27 ++++++++++
 config/locales/en.yml                         |  2 +
 config/routes.rb                              |  1 +
 ...d_existing_absorbing_organisation_field.rb |  5 ++
 db/schema.rb                                  |  3 +-
 spec/jobs/process_merge_request_job_spec.rb   | 22 +++++++-
 spec/models/merge_request_spec.rb             | 10 +++-
 .../merge_requests_controller_spec.rb         | 50 +++++++++++++++++--
 12 files changed, 133 insertions(+), 12 deletions(-)
 create mode 100644 app/views/merge_requests/existing_absorbing_organisation.html.erb
 create mode 100644 db/migrate/20240822080228_add_existing_absorbing_organisation_field.rb

diff --git a/app/controllers/merge_requests_controller.rb b/app/controllers/merge_requests_controller.rb
index 7b5ed1ba9..017b1d1fc 100644
--- a/app/controllers/merge_requests_controller.rb
+++ b/app/controllers/merge_requests_controller.rb
@@ -6,6 +6,7 @@ class MergeRequestsController < ApplicationController
 
   def absorbing_organisation; end
   def merge_date; end
+  def existing_absorbing_organisation; end
   def helpdesk_ticket; end
   def merge_start_confirmation; end
   def user_outcomes; end
@@ -94,6 +95,8 @@ private
     when "merging_organisations"
       merge_date_merge_request_path(@merge_request)
     when "merge_date"
+      existing_absorbing_organisation_merge_request_path(@merge_request)
+    when "existing_absorbing_organisation"
       helpdesk_ticket_merge_request_path(@merge_request)
     when "helpdesk_ticket"
       merge_request_path(@merge_request)
@@ -123,6 +126,7 @@ private
       :status,
       :absorbing_organisation_id,
       :merge_date,
+      :existing_absorbing_organisation,
     )
 
     merge_params[:requesting_organisation_id] = current_user.organisation.id
@@ -148,6 +152,10 @@ private
       else
         @merge_request.errors.add(:merge_date, :invalid)
       end
+    when "existing_absorbing_organisation"
+      if merge_request_params[:existing_absorbing_organisation].nil?
+        @merge_request.errors.add(:existing_absorbing_organisation, :blank)
+      end
     end
   end
 
diff --git a/app/helpers/merge_requests_helper.rb b/app/helpers/merge_requests_helper.rb
index a5d2ea14e..bda0b114f 100644
--- a/app/helpers/merge_requests_helper.rb
+++ b/app/helpers/merge_requests_helper.rb
@@ -19,6 +19,7 @@ module MergeRequestsHelper
       { label: "Absorbing organisation", value: display_value_or_placeholder(merge_request.absorbing_organisation_name), action: merge_request_action(merge_request, "absorbing_organisation") },
       { label: "Merging organisations", value: merge_request.merge_request_organisations.any? ? merge_request.merge_request_organisations.map(&:merging_organisation_name).join("<br>").html_safe : display_value_or_placeholder(nil), action: merge_request_action(merge_request, "merging_organisations") },
       { label: "Merge date", value: display_value_or_placeholder(merge_request.merge_date), action: merge_request_action(merge_request, "merge_date") },
+      { label: "Absorbing organisation already active?", value: display_value_or_placeholder(merge_request.existing_absorbing_organisation_label), action: merge_request_action(merge_request, "existing_absorbing_organisation") },
     ]
   end
 
@@ -67,8 +68,10 @@ module MergeRequestsHelper
       absorbing_organisation_merge_request_path(merge_request)
     when "merge_date"
       merging_organisations_merge_request_path(merge_request)
-    when "helpdesk_ticket"
+    when "existing_absorbing_organisation"
       merge_date_merge_request_path(merge_request)
+    when "helpdesk_ticket"
+      existing_absorbing_organisation_merge_request_path(merge_request)
     end
   end
 
diff --git a/app/jobs/process_merge_request_job.rb b/app/jobs/process_merge_request_job.rb
index be506e1e4..253aab547 100644
--- a/app/jobs/process_merge_request_job.rb
+++ b/app/jobs/process_merge_request_job.rb
@@ -5,9 +5,10 @@ class ProcessMergeRequestJob < ApplicationJob
     absorbing_organisation_id = merge_request.absorbing_organisation_id
     merging_organisation_ids = merge_request.merging_organisations.pluck(:id)
     merge_date = merge_request.merge_date
+    absorbing_organisation_active_from_merge_date = !merge_request.existing_absorbing_organisation unless merge_request.existing_absorbing_organisation.nil?
 
-    Merge::MergeOrganisationsService.new(absorbing_organisation_id:, merging_organisation_ids:, merge_date:).call
-    merge_request.update!(request_merged: true)
+    Merge::MergeOrganisationsService.new(absorbing_organisation_id:, merging_organisation_ids:, merge_date:, absorbing_organisation_active_from_merge_date:).call
+    merge_request.update!(request_merged: true, last_failed_attempt: nil)
   rescue StandardError
     merge_request.update!(last_failed_attempt: Time.zone.now, processing: false, total_users: nil, total_schemes: nil)
   end
diff --git a/app/models/merge_request.rb b/app/models/merge_request.rb
index 3560756e4..806d77bf8 100644
--- a/app/models/merge_request.rb
+++ b/app/models/merge_request.rb
@@ -47,6 +47,7 @@ class MergeRequest < ApplicationRecord
   def required_questions_answered?
     absorbing_organisation_id.present? &&
       merge_date.present? &&
+      existing_absorbing_organisation.present? &&
       merging_organisations.count.positive? &&
       errors.empty?
   end
@@ -99,6 +100,12 @@ class MergeRequest < ApplicationRecord
     ([absorbing_organisation] + merging_organisations).reject(&:has_visible_schemes?)
   end
 
+  def existing_absorbing_organisation_label
+    return if existing_absorbing_organisation.nil?
+
+    existing_absorbing_organisation ? "Yes" : "No"
+  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)
diff --git a/app/views/merge_requests/existing_absorbing_organisation.html.erb b/app/views/merge_requests/existing_absorbing_organisation.html.erb
new file mode 100644
index 000000000..ce6628a35
--- /dev/null
+++ b/app/views/merge_requests/existing_absorbing_organisation.html.erb
@@ -0,0 +1,27 @@
+<% content_for :before_content do %>
+  <% title = "Tell us if your organisation is merging" %>
+  <% content_for :title, title %>
+  <%= govuk_back_link href: merge_request_back_link(@merge_request, "existing_absorbing_organisation", request.query_parameters["referrer"]) %>
+<% end %>
+ <div class="govuk-grid-row">
+    <div class="govuk-grid-column-two-thirds-from-desktop">
+    <%= form_with model: @merge_request, url: submit_merge_request_url(request.query_parameters["referrer"]), method: :patch do |f| %>
+      <%= f.govuk_error_summary %>
+      <%= f.govuk_radio_buttons_fieldset :existing_absorbing_organisation,
+                                        legend: { text: "Was #{@merge_request.absorbing_organisation&.name} already active before the merge date?", size: "l" } do %>
+        <%= f.govuk_radio_button :existing_absorbing_organisation,
+                                "true",
+                                label: { text: "Yes, this organisation existed before the merge" } %>
+        <%= f.govuk_radio_button :existing_absorbing_organisation,
+                                "false",
+                                label: { text: "No, it is a new organisation created by this merge" } %>
+      <% end %>
+
+      <%= f.hidden_field :page, value: "existing_absorbing_organisation" %>
+      <div class="govuk-button-group">
+        <%= f.govuk_submit submit_merge_request_button_text(request.query_parameters["referrer"]) %>
+        <%= govuk_link_to(secondary_merge_request_link_text(request.query_parameters["referrer"]), merge_request_path(@merge_request)) %>
+      </div>
+    <% end %>
+  </div>
+</div>
diff --git a/config/locales/en.yml b/config/locales/en.yml
index 649ec358a..7d52a92e0 100644
--- a/config/locales/en.yml
+++ b/config/locales/en.yml
@@ -179,6 +179,8 @@ en:
             merge_date: 
               blank: "Enter a merge date"
               invalid: "Enter a valid merge date"
+            existing_absorbing_organisation:
+              blank: "You must answer absorbing organisation already active?"
 
   notification:
     logs_deleted:
diff --git a/config/routes.rb b/config/routes.rb
index a6f2ae8c7..1706a140c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -208,6 +208,7 @@ Rails.application.routes.draw do
       get "merging-organisations/remove", to: "merge_requests#remove_merging_organisation"
       get "absorbing-organisation"
       get "merge-date"
+      get "existing-absorbing-organisation"
       get "helpdesk-ticket"
       get "merge-start-confirmation"
       get "user-outcomes"
diff --git a/db/migrate/20240822080228_add_existing_absorbing_organisation_field.rb b/db/migrate/20240822080228_add_existing_absorbing_organisation_field.rb
new file mode 100644
index 000000000..f1a0d8b1e
--- /dev/null
+++ b/db/migrate/20240822080228_add_existing_absorbing_organisation_field.rb
@@ -0,0 +1,5 @@
+class AddExistingAbsorbingOrganisationField < ActiveRecord::Migration[7.0]
+  def change
+    add_column :merge_requests, :existing_absorbing_organisation, :boolean
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 153770ccf..05f9bfde2 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2024_08_19_143150) do
+ActiveRecord::Schema[7.0].define(version: 2024_08_22_080228) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -446,6 +446,7 @@ ActiveRecord::Schema[7.0].define(version: 2024_08_19_143150) do
     t.datetime "last_failed_attempt"
     t.boolean "request_merged"
     t.boolean "processing"
+    t.boolean "existing_absorbing_organisation"
   end
 
   create_table "notifications", force: :cascade do |t|
diff --git a/spec/jobs/process_merge_request_job_spec.rb b/spec/jobs/process_merge_request_job_spec.rb
index c026db6f1..7a056ae9d 100644
--- a/spec/jobs/process_merge_request_job_spec.rb
+++ b/spec/jobs/process_merge_request_job_spec.rb
@@ -13,7 +13,7 @@ describe ProcessMergeRequestJob do
     let(:organisation) { create(:organisation) }
     let(:merging_organisation) { create(:organisation) }
     let(:other_merging_organisation) { create(:organisation) }
-    let(:merge_request) { MergeRequest.create!(requesting_organisation: organisation, absorbing_organisation: organisation, merge_date: Time.zone.local(2022, 3, 3), total_users: 5, total_schemes: 5) }
+    let(:merge_request) { MergeRequest.create!(requesting_organisation: organisation, absorbing_organisation: organisation, merge_date: Time.zone.local(2022, 3, 3), total_users: 5, total_schemes: 5, existing_absorbing_organisation: true) }
 
     before do
       create(:merge_request_organisation, merge_request:, merging_organisation:)
@@ -21,12 +21,30 @@ describe ProcessMergeRequestJob do
     end
 
     it "calls the merge organisations service with correct arguments" do
-      expect(Merge::MergeOrganisationsService).to receive(:new).with(absorbing_organisation_id: organisation.id, merging_organisation_ids: [merging_organisation.id, other_merging_organisation.id], merge_date: Time.zone.local(2022, 3, 3))
+      expect(Merge::MergeOrganisationsService).to receive(:new).with(absorbing_organisation_id: organisation.id, merging_organisation_ids: [merging_organisation.id, other_merging_organisation.id], merge_date: Time.zone.local(2022, 3, 3), absorbing_organisation_active_from_merge_date: false)
 
       job.perform(merge_request:)
       expect(merge_request.reload.status).to eq("request_merged")
     end
 
+    context "with new absorbing organisation" do
+      let(:merge_request) { MergeRequest.create!(requesting_organisation: organisation, absorbing_organisation: organisation, merge_date: Time.zone.local(2022, 3, 3), existing_absorbing_organisation: false) }
+
+      it "calls the merge organisations service with correct arguments" do
+        expect(Merge::MergeOrganisationsService).to receive(:new).with(absorbing_organisation_id: organisation.id, merging_organisation_ids: [merging_organisation.id, other_merging_organisation.id], merge_date: Time.zone.local(2022, 3, 3), absorbing_organisation_active_from_merge_date: true)
+
+        job.perform(merge_request:)
+        expect(merge_request.reload.status).to eq("request_merged")
+      end
+    end
+
+    it "clears last_failed_attempt value" do
+      merge_request.update!(last_failed_attempt: Time.zone.now)
+      job.perform(merge_request:)
+
+      expect(merge_request.reload.last_failed_attempt).to be_nil
+    end
+
     it "sets last_failed_attempt value, sets processing to false and clears total_schemes and total_users if there's an error" do
       allow(merge_organisations_service).to receive(:call).and_raise(ActiveRecord::Rollback)
 
diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index 855fe03da..4cab8b661 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -55,13 +55,13 @@ RSpec.describe MergeRequest, type: :model do
     end
 
     it "returns the correct status for a ready to merge request" do
-      merge_request = build(:merge_request, id: 1, absorbing_organisation: create(:organisation), merge_date: Time.zone.today)
+      merge_request = build(:merge_request, id: 1, absorbing_organisation: create(:organisation), merge_date: Time.zone.today, existing_absorbing_organisation: true)
       create(:merge_request_organisation, merge_request:)
       expect(merge_request.status).to eq MergeRequest::STATUS[:ready_to_merge]
     end
 
     it "returns the merge issues if dsa is not signed for absorbing organisation" do
-      merge_request = build(:merge_request, id: 1, absorbing_organisation: create(:organisation, with_dsa: false), merge_date: Time.zone.today)
+      merge_request = build(:merge_request, id: 1, absorbing_organisation: create(:organisation, with_dsa: false), merge_date: Time.zone.today, existing_absorbing_organisation: true)
       create(:merge_request_organisation, merge_request:)
       expect(merge_request.status).to eq MergeRequest::STATUS[:merge_issues]
     end
@@ -83,6 +83,12 @@ RSpec.describe MergeRequest, type: :model do
       expect(merge_request.status).to eq MergeRequest::STATUS[:incomplete]
     end
 
+    it "returns the incomplete if existing absorbing organisation is missing" do
+      merge_request = build(:merge_request, id: 1, absorbing_organisation: create(:organisation, with_dsa: false), merge_date: Time.zone.today)
+      create(:merge_request_organisation, merge_request:)
+      expect(merge_request.status).to eq MergeRequest::STATUS[:incomplete]
+    end
+
     it "returns processing if merge is processing" do
       merge_request = build(:merge_request, id: 1, absorbing_organisation: create(:organisation), processing: true)
       create(:merge_request_organisation, merge_request:)
diff --git a/spec/requests/merge_requests_controller_spec.rb b/spec/requests/merge_requests_controller_spec.rb
index 530656858..7bcfc75ec 100644
--- a/spec/requests/merge_requests_controller_spec.rb
+++ b/spec/requests/merge_requests_controller_spec.rb
@@ -219,6 +219,23 @@ RSpec.describe MergeRequestsController, type: :request do
       end
     end
 
+    describe "#existing_absorbing_organisation" do
+      context "when viewing helpdesk ticket page" do
+        before do
+          merge_request.update!(absorbing_organisation_id: organisation.id, merge_date: Time.zone.today)
+          get "/merge-request/#{merge_request.id}/existing-absorbing-organisation", headers:
+        end
+
+        it "shows the correct content" do
+          expect(page).to have_content("Was #{merge_request.absorbing_organisation.name} already active before the merge date?")
+          expect(page).to have_content("Yes, this organisation existed before the merge")
+          expect(page).to have_content("No, it is a new organisation created by this merge")
+          expect(page).to have_link("Back", href: merge_date_merge_request_path(merge_request))
+          expect(page).to have_button("Save and continue")
+        end
+      end
+    end
+
     describe "#helpdesk_ticket" do
       context "when viewing helpdesk ticket page" do
         before do
@@ -228,6 +245,8 @@ RSpec.describe MergeRequestsController, type: :request do
 
         it "shows the correct content" do
           expect(page).to have_content("Which helpdesk ticket reported this merge?")
+          expect(page).to have_link("Back", href: existing_absorbing_organisation_merge_request_path(merge_request))
+          expect(page).to have_button("Save and continue")
         end
       end
     end
@@ -365,10 +384,10 @@ RSpec.describe MergeRequestsController, type: :request do
             patch "/merge-request/#{merge_request.id}", headers:, params:
           end
 
-          it "redirects to helpdesk ticket path" do
+          it "redirects to existing absorbing organisation path" do
             request
 
-            expect(response).to redirect_to(helpdesk_ticket_merge_request_path(merge_request))
+            expect(response).to redirect_to(existing_absorbing_organisation_merge_request_path(merge_request))
           end
 
           it "updates merge_date" do
@@ -400,6 +419,29 @@ RSpec.describe MergeRequestsController, type: :request do
           end
         end
       end
+
+      describe "from existing_absorbing_organisation page" do
+        context "when not answering the question" do
+          let(:merge_request) { MergeRequest.create!(requesting_organisation: organisation, absorbing_organisation: other_organisation) }
+          let(:params) do
+            { merge_request: { page: "existing_absorbing_organisation" } }
+          end
+          let(:request) do
+            patch "/merge-request/#{merge_request.id}", headers:, params:
+          end
+
+          it "renders the error" do
+            request
+
+            expect(response).to have_http_status(:unprocessable_entity)
+            expect(page).to have_content("You must answer absorbing organisation already active?")
+          end
+
+          it "does not update the request" do
+            expect { request }.not_to(change { merge_request.reload.attributes })
+          end
+        end
+      end
     end
 
     describe "#merge_start_confirmation" do
@@ -416,7 +458,7 @@ RSpec.describe MergeRequestsController, type: :request do
     end
 
     describe "#start_merge" do
-      let(:merge_request) { MergeRequest.create!(requesting_organisation: organisation, absorbing_organisation: organisation, merge_date: Time.zone.local(2022, 3, 3)) }
+      let(:merge_request) { MergeRequest.create!(requesting_organisation: organisation, absorbing_organisation: organisation, merge_date: Time.zone.local(2022, 3, 3), existing_absorbing_organisation: true) }
       let(:merging_organisation) { create(:organisation, name: "Merging Test Org") }
 
       before do
@@ -481,7 +523,7 @@ RSpec.describe MergeRequestsController, type: :request do
       end
 
       context "with unmerged request" do
-        let(:merge_request) { create(:merge_request, absorbing_organisation_id: organisation.id, merge_date: Time.zone.today) }
+        let(:merge_request) { create(:merge_request, absorbing_organisation_id: organisation.id, merge_date: Time.zone.today, existing_absorbing_organisation: true) }
 
         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))