CLDC-3043 location postcode lookup (#2098)

* Lookup location by postcode

* Display inferred local authority

* lint

* tests

* Set no actions row correctly

app/models/location.rb

@@ -169,10 +169,6 @@ class Location < ApplicationRecord
       errors.add :postcode, error_message
     else
       self.postcode = PostcodeService.clean(postcode)
-      if postcode_changed?
-        self.location_admin_district = nil
-        self.location_code = nil
-      end
     end
   end
 
@@ -200,9 +196,17 @@ private
 
   def lookup_postcode!
     result = PIO.lookup(postcode)
+    unless location_admin_district_changed?
+      self.location_admin_district = nil
+      self.location_code = nil
+      self.is_la_inferred = false
+    end
     if result
       self.location_code = result[:location_code]
       self.location_admin_district = result[:location_admin_district]
+      self.is_la_inferred = true
+    else
+      self.is_la_inferred = false
     end
   end
 end

app/views/locations/check_answers.html.erb

@@ -18,15 +18,24 @@
   <div class="govuk-grid-column-two-thirds-from-desktop">
     <%= govuk_summary_list do |summary_list| %>
       <% display_location_attributes_for_check_answers(@location).each do |attr| %>
+        <% unless attr[:attribute].eql?("local_authority") && @location.is_la_inferred %>
           <%= summary_list.row do |row| %>
             <% row.key { attr[:name] } %>
+            <% if attr[:attribute].eql?("postcode") && @location.is_la_inferred %>
+                <% row.value do %>
+                <%= details_html(attr) %>
+                <span class="govuk-!-font-weight-regular app-!-colour-muted"><%= formatted_local_authority_timeline(@location) %></span>
+                <% end %>
+            <% else %>
               <% row.value { details_html(attr) } %>
+            <% end %>
             <% if LocationPolicy.new(current_user, @location).update? %>
               <% row.action(text: action_text_helper(attr, @location), href: location_edit_path(@location, attr[:attribute])) %>
             <% end %>
           <% end %>
         <% end %>
       <% end %>
+    <% end %>
   </div>
 </div>
 

app/views/locations/show.html.erb

@@ -15,9 +15,19 @@
 
     <%= govuk_summary_list do |summary_list| %>
       <% display_location_attributes(@location).each do |attr| %>
+        <% unless attr[:attribute].eql?("local_authority") && @location.is_la_inferred %>
           <%= summary_list.row do |row| %>
             <% row.key { attr[:name] } %>
-          <% row.value { attr[:attribute].eql?("status") ? status_tag_from_resource(@location) : details_html(attr) } %>
+            <% if attr[:attribute].eql?("status") %>
+              <%= row.value { status_tag_from_resource(@location) } %>
+            <% elsif attr[:attribute].eql?("postcode") && @location.is_la_inferred %>
+              <% row.value do %>
+                <%= details_html(attr) %>
+                <span class="govuk-!-font-weight-regular app-!-colour-muted"><%= formatted_local_authority_timeline(@location) %></span>
+              <% end %>
+            <% else %>
+              <%= row.value { details_html(attr) } %>
+            <% end %>
             <% if LocationPolicy.new(current_user, @location).update? %>
               <% row.action(text: "Change", href: scheme_location_postcode_path(@scheme, @location, referrer: "details")) if attr[:attribute] == "postcode" && current_user.support? %>
               <% row.action(text: "Change", href: scheme_location_name_path(@scheme, @location, referrer: "details")) if attr[:attribute] == "name" %>
@@ -28,6 +38,7 @@
           <% end %>
         <% end %>
        <% end %>
+    <% end %>
   </div>
 </div>
 

app/views/schemes/_scheme_summary_list_row.html.erb

@@ -1,4 +1,4 @@
-<div class="<%= "govuk-summary-list__row #{scheme.confirmed? && !can_change_scheme_answer?(attribute[:name], @scheme) && !attribute[:edit] ? 'govuk-summary-list__row--no-actions' : ''}" %>">
+<div class="<%= "govuk-summary-list__row#{can_change_scheme_answer?(attribute[:name], @scheme) && attribute[:edit] ? '' : ' govuk-summary-list__row--no-actions'}" %>">
     <dt class="govuk-summary-list__key">
         <%= attribute[:name].to_s %>
     </dt>

db/migrate/20231218105226_add_la_inferred_to_locations.rb

@@ -0,0 +1,5 @@
+class AddLaInferredToLocations < ActiveRecord::Migration[7.0]
+  def change
+    add_column :locations, :is_la_inferred, :boolean
+  end
+end

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: 2023_12_04_101105) do
+ActiveRecord::Schema[7.0].define(version: 2023_12_18_105226) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
 
@@ -355,6 +355,7 @@ ActiveRecord::Schema[7.0].define(version: 2023_12_04_101105) do
     t.datetime "startdate"
     t.string "location_admin_district"
     t.boolean "confirmed"
+    t.boolean "is_la_inferred"
     t.index ["old_id"], name: "index_locations_on_old_id", unique: true
     t.index ["scheme_id"], name: "index_locations_on_scheme_id"
   end

spec/features/schemes_helpers.rb

@@ -62,7 +62,7 @@ module SchemesHelpers
   def fill_in_and_save_location
     click_link "Locations"
     click_button "Add a location"
-    fill_in with: "AA11AA"
+    fill_in with: "XX11XX"
     click_button "Save and continue"
     select "Adur"
     click_button "Save and continue"
@@ -83,7 +83,7 @@ module SchemesHelpers
   def fill_in_and_save_second_location
     click_link "Locations"
     click_button "Add a location"
-    fill_in with: "AA12AA"
+    fill_in with: "XX12XX"
     click_button "Save and continue"
     select "Adur"
     click_button "Save and continue"

spec/features/schemes_spec.rb

@@ -218,7 +218,7 @@ RSpec.describe "Schemes scheme Features" do
           context "when there are locations that belong to the selected scheme" do
             let!(:schemes) { FactoryBot.create_list(:scheme, 5) }
             let(:scheme)     { schemes.first }
-            let!(:locations) { FactoryBot.create_list(:location, 3, scheme:, postcode: "AA11AA", startdate: Time.utc(2022, 1, 1)) }
+            let!(:locations) { FactoryBot.create_list(:location, 3, scheme:, postcode: "XX11XX", startdate: Time.utc(2022, 1, 1)) }
 
             before do
               visit("schemes")
@@ -336,7 +336,7 @@ RSpec.describe "Schemes scheme Features" do
                 let(:location_name) { "Area 42" }
 
                 before do
-                  fill_in with: "AA12AA"
+                  fill_in with: "XX12XX"
                   click_button "Save and continue"
                   select "Adur"
                   click_button "Save and continue"
@@ -378,7 +378,7 @@ RSpec.describe "Schemes scheme Features" do
                   end
 
                   it "lets you edit the saved location" do
-                    click_link "AA1 2AA"
+                    click_link "XX12XX"
                     expect(page).to have_link("Change", href: /postcode/)
                   end
                 end
@@ -577,7 +577,7 @@ RSpec.describe "Schemes scheme Features" do
           end
 
           it "displays information about the first created location" do
-            expect(page).to have_content "AA1 1AA"
+            expect(page).to have_content "XX11XX"
             expect(page).to have_content "Some name"
             expect(page).to have_content "Active"
           end
@@ -591,7 +591,7 @@ RSpec.describe "Schemes scheme Features" do
 
           it "displays information about newly created location" do
             fill_in_and_save_second_location
-            expect(page).to have_content "AA1 2AA"
+            expect(page).to have_content "XX12XX"
             expect(page).to have_content "Other name"
             expect(page).to have_content "Self-contained house"
           end
@@ -606,11 +606,11 @@ RSpec.describe "Schemes scheme Features" do
           end
 
           it "displays changed location" do
-            click_link "AA1 2AA"
+            click_link "XX12XX"
             click_link("Change", href: "/schemes/#{scheme.id}/locations/#{location.id}/name?referrer=details", match: :first)
             fill_in with: "new name"
             click_button "Save changes"
-            expect(page).to have_content "AA1 2AA"
+            expect(page).to have_content "XX12XX"
             expect(page).to have_content "new name"
           end
         end
@@ -962,7 +962,7 @@ RSpec.describe "Schemes scheme Features" do
                 let(:location_name) { "Area 42" }
 
                 before do
-                  fill_in with: "AA12AA"
+                  fill_in with: "XX12XX"
                   click_button "Save and continue"
                   select "Adur"
                   click_button "Save and continue"
@@ -1004,7 +1004,7 @@ RSpec.describe "Schemes scheme Features" do
                   end
 
                   it "lets you edit the saved location" do
-                    click_link "AA1 2AA"
+                    click_link "XX12XX"
                     expect(page).to have_link("Change", href: /postcode/)
                   end
                 end

spec/models/location_spec.rb

@@ -24,6 +24,7 @@ RSpec.describe Location, type: :model do
       location.postcode = "M1 1AE"
       location.save!
       expect(location.location_code).to eq("E08000003")
+      expect(location.is_la_inferred).to eq(true)
     end
 
     it "infers and returns the list of local authorities" do
@@ -33,9 +34,23 @@ RSpec.describe Location, type: :model do
       expect(location.linked_local_authorities.active(Time.zone.local(2023, 4, 1)).first.code).to eq("E06000063")
     end
 
+    context "when local authority cannot be inferred" do
+      before do
+        stub_request(:get, /api\.postcodes\.io\/postcodes\/CA101AA/)
+          .to_return(status: 200, body: '{"status":200}', headers: {})
+      end
+
+      it "does not set the local authority" do
+        location.update!(postcode: "CA10 1AA", location_code: nil, location_admin_district: nil)
+        expect(location.location_code).to eq(nil)
+        expect(location.linked_local_authorities.count).to eq(0)
+        expect(location.is_la_inferred).to eq(false)
+      end
+    end
+
     context "when location_code is no in LocalAuthorities table" do
       before do
-        stub_request(:get, /api.postcodes.io\/postcodes\/CA101AA/)
+        stub_request(:get, /api\.postcodes\.io\/postcodes\/CA101AA/)
           .to_return(status: 200, body: '{"status":200,"result":{"admin_district":"Eden","codes":{"admin_district":"E01231231"}}}', headers: {})
       end
 

spec/requests/locations_controller_spec.rb

@@ -466,7 +466,7 @@ RSpec.describe LocationsController, type: :request do
 
         it "redirects correctly when postcodes.io does return a local authority" do
           follow_redirect!
-          expect(page).to have_content("What is the local authority")
+          expect(page).to have_content("What is the name of this location")
         end
       end
 
@@ -527,7 +527,7 @@ RSpec.describe LocationsController, type: :request do
 
         it "redirects correctly when postcodes.io does return a local authority" do
           follow_redirect!
-          expect(page).to have_content("What is the local authority")
+          expect(page).to have_content("What is the name of this location")
         end
       end
 
@@ -1344,6 +1344,38 @@ RSpec.describe LocationsController, type: :request do
             expect(page).not_to have_content("added to this scheme")
           end
         end
+
+        context "when local authority is inferred" do
+          let(:params) { { location: { postcode: "zz1 1zz" } } }
+
+          before do
+            patch "/schemes/#{scheme.id}/locations/#{location.id}/postcode?referrer=check_answers", params:
+          end
+
+          it "does not display local authority row" do
+            location.reload
+            follow_redirect!
+            expect(location.is_la_inferred).to eq(true)
+            expect(location.location_admin_district).to eq("Westminster")
+            expect(page).not_to have_content("Local authority")
+            expect(page).to have_content("Westminster")
+          end
+        end
+
+        context "when local authority is not inferred" do
+          let(:params) { { location: { postcode: "a1 1aa" } } }
+
+          before do
+            patch "/schemes/#{scheme.id}/locations/#{location.id}/postcode?referrer=check_answers", params:
+          end
+
+          it "displays local authority row" do
+            location.reload
+            get "/schemes/#{scheme.id}/locations/#{location.id}/check-answers"
+            expect(location.is_la_inferred).to eq(false)
+            expect(page).to have_content("Local authority")
+          end
+        end
       end
 
       context "when trying to edit check_answers of location that belongs to another organisation" do

spec/views/locations/check_answers.html.erb_spec.rb

@@ -41,6 +41,7 @@ RSpec.describe "locations/check_answers.html.erb" do
         active?: true,
         scheme:,
         startdate: 1.day.ago,
+        is_la_inferred: nil,
       )
     end
 

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

@@ -42,6 +42,7 @@ RSpec.describe "locations/show.html.erb" do
         active?: true,
         scheme:,
         deactivates_in_a_long_time?: false,
+        is_la_inferred: nil,
       )
     end