Add delete duplicates page

app/controllers/lettings_logs_controller.rb

@@ -88,6 +88,12 @@ class LettingsLogsController < LogsController
     render "logs/delete_confirmation"
   end
 
+  def delete_duplicates
+    @log = LettingsLog.visible.find(params[:lettings_log_id])
+    @duplicate_logs = LettingsLog.duplicate_logs_for_organisation(current_user.organisation, @log)
+    render "logs/delete_duplicates"
+  end
+
   def download_csv
     unpaginated_filtered_logs = filter_manager.filtered_logs(current_user.lettings_logs, search_term, session_filters)
 

app/views/logs/delete_duplicates.html.erb

@@ -0,0 +1,33 @@
+<% content_for :before_content do %>
+  <% content_for :title, "Are you sure you want to delete this duplicate log?" %>
+  <%= govuk_back_link href: @log.lettings? ? lettings_logs_path(@log) : sales_logs_path(@log) %>
+<% end %>
+
+<div class="govuk-grid-row">
+  <div class="govuk-grid-column-two-thirds-from-desktop">
+    <h1 class="govuk-heading-xl">
+      <%= content_for(:title) %>
+    </h1>
+
+    <%= govuk_warning_text(text: "You will not be able to undo this action.") %>
+
+    <p class="govuk-body">
+      This log will be deleted:
+    </p>
+
+    <% @duplicate_logs.each do |duplicate_log| %>
+      <%= govuk_link_to "Log #{duplicate_log.id}", lettings_log_path(duplicate_log)%>
+    <% end %>
+
+    <div class="govuk-button-group">
+      <%= govuk_button_to(
+        "Delete this log"
+      ) %>
+      <%= govuk_button_link_to(
+        "Cancel",
+        @log.lettings? ? lettings_log_path(@log) : sales_log_path(@log),
+        secondary: true,
+      ) %>
+    </div>
+  </div>
+</div>

config/routes.rb

@@ -171,6 +171,7 @@ Rails.application.routes.draw do
   resources :lettings_logs, path: "/lettings-logs" do
     get "delete-confirmation", to: "lettings_logs#delete_confirmation"
     get "duplicate-logs", to: "duplicate_logs#show"
+    get "delete-duplicates", to: "duplicate_logs#delete_duplicates"
 
     collection do
       post "bulk-upload", to: "bulk_upload#bulk_upload"

spec/requests/lettings_logs_controller_spec.rb

@@ -1667,4 +1667,39 @@ RSpec.describe LettingsLogsController, type: :request do
       end
     end
   end
+
+  describe "GET delete-duplicates" do
+    let(:headers) { { "Accept" => "text/html" } }
+    let(:page) { Capybara::Node::Simple.new(response.body) }
+    let(:user) { create(:user, :data_coordinator) }
+    let!(:lettings_log) do
+      create(:lettings_log, :completed, owning_organisation: user.organisation)
+    end
+    let(:id) { lettings_log.id }
+    let!(:duplicate_log) do
+      duplicate = lettings_log.dup
+      duplicate.id = nil
+      duplicate.save!
+      duplicate
+    end
+    let(:request) { get "/lettings-logs/#{id}/delete-duplicates", headers: }
+
+    before do
+      allow(user).to receive(:need_two_factor_authentication?).and_return(false)
+      sign_in user
+    end
+
+    context "when there is 1 duplicate log being deleted" do
+      it "renders page" do
+        request
+        expect(response).to have_http_status(:ok)
+
+        expect(page).to have_content("Are you sure you want to delete this duplicate log?")
+        expect(page).to have_button(text: "Delete this log")
+        expect(page).to have_link(text: "Log #{duplicate_log.id}", href: lettings_log_path(duplicate_log.id))
+        expect(page).not_to have_link(text: "Log #{id}", href: lettings_log_path(id))
+        expect(page).to have_link(text: "Cancel", href: lettings_log_path(id)) # update with correct path when known
+      end
+    end
+  end
 end