Create alternative select view for schemes with 20+ locations

app/helpers/question_view_helper.rb

@@ -32,14 +32,19 @@ module QuestionViewHelper
   end
 
   def answer_option_hint(resource)
-    return unless resource.instance_of?(Scheme)
+    return unless resource.instance_of?(Scheme) || resource.instance_of?(Location)
 
-    [resource.primary_client_group, resource.secondary_client_group].compact.join(", ")
+    if resource.instance_of?(Scheme)
+      [resource.primary_client_group, resource.secondary_client_group].compact.join(", ")
+    elsif resource.instance_of?(Location)
+      resource.name
+    end
   end
 
   def select_option_name(value)
     return value.service_name if value.respond_to?(:service_name)
     return value["name"] if value.is_a?(Hash) && value["name"].present?
+    return value["postcode"] if value.is_a?(Location)
   end
 
 private

app/models/derived_variables/lettings_log_variables.rb

@@ -28,13 +28,6 @@ module DerivedVariables::LettingsLogVariables
     5 => 6,
   }.freeze
 
-  def scheme_has_multiple_locations?
-    return false unless scheme
-
-    @scheme_locations_count ||= scheme.locations.active_in_2_weeks.size
-    @scheme_locations_count > 1
-  end
-
   def set_derived_fields!
     clear_inapplicable_derived_values!
     set_encoded_derived_values!(DEPENDENCIES)

app/models/form/lettings/pages/location.rb

@@ -5,6 +5,7 @@ class Form::Lettings::Pages::Location < ::Form::Page
       {
         "needstype" => 2,
         "scheme_has_multiple_locations?" => true,
+        "scheme_has_large_number_of_locations?" => false,
       },
     ]
     @header = "Location"

app/models/form/lettings/pages/location_search.rb

@@ -0,0 +1,20 @@
+class Form::Lettings::Pages::LocationSearch < ::Form::Page
+  def initialize(_id, hsh, subsection)
+    super("location_search", hsh, subsection)
+    @depends_on = [
+      {
+        "needstype" => 2,
+        "scheme_has_multiple_locations?" => true,
+        "scheme_has_large_number_of_locations?" => true,
+      },
+    ]
+    @header = "Location"
+    @next_unresolved_page_id = :check_answers
+  end
+
+  def questions
+    @questions ||= [
+      Form::Lettings::Questions::LocationIdSearch.new(nil, nil, self),
+    ]
+  end
+end

app/models/form/lettings/questions/location_id_search.rb

@@ -0,0 +1,64 @@
+class Form::Lettings::Questions::LocationIdSearch < ::Form::Question
+  def initialize(id, hsh, page)
+    super
+    @id = "location_id"
+    @check_answer_label = "Location"
+    @header = header_text
+    @hint_text = '<div class="govuk-inset-text">This scheme has 20 or more locations.</div>Enter postcode or address.'
+    @type = "select"
+    @answer_options = answer_options
+    @inferred_answers = {
+      "location.name": {
+        "needstype": 2,
+      },
+    }
+    @question_number = QUESTION_NUMBER_FROM_YEAR[form.start_date.year] || QUESTION_NUMBER_FROM_YEAR[QUESTION_NUMBER_FROM_YEAR.keys.max] if form.start_date.present?
+    @disable_clearing_if_not_routed_or_dynamic_answer_options = true
+    @top_guidance_partial = "finding_location"
+  end
+
+  def answer_options
+    answer_opts = {}
+    return answer_opts unless ActiveRecord::Base.connected?
+
+    Location.visible.started_in_2_weeks.select(:id, :postcode, :name).each_with_object(answer_opts) do |location, hsh|
+      hsh[location.id.to_s] = location
+      hsh
+    end
+  end
+
+  def displayed_answer_options(lettings_log, _user = nil)
+    return {} unless lettings_log.scheme
+
+    scheme_location_ids = lettings_log.scheme.locations.visible.confirmed.pluck(:id)
+    answer_options.select { |k, _v| scheme_location_ids.include?(k.to_i) }
+  end
+
+  def hidden_in_check_answers?(lettings_log, _current_user = nil)
+    !supported_housing_selected?(lettings_log)
+  end
+
+  def get_extra_check_answer_value(lettings_log)
+    lettings_log.form.get_question("la", nil).label_from_value(lettings_log.la)
+  end
+
+private
+
+  def supported_housing_selected?(lettings_log)
+    lettings_log.needstype == 2
+  end
+
+  def selected_answer_option_is_derived?(_lettings_log)
+    false
+  end
+
+  def header_text
+    if form.start_date && form.start_date.year >= 2023
+      "Which location is this letting for?"
+    else
+      "Which location is this log for?"
+    end
+  end
+
+  QUESTION_NUMBER_FROM_YEAR = { 2023 => 10, 2024 => 5 }.freeze
+end

app/models/form/lettings/subsections/setup.rb

@@ -14,6 +14,7 @@ class Form::Lettings::Subsections::Setup < ::Form::Subsection
       Form::Lettings::Pages::NeedsType.new(nil, nil, self),
       Form::Lettings::Pages::Scheme.new(nil, nil, self),
       Form::Lettings::Pages::Location.new(nil, nil, self),
+      Form::Lettings::Pages::LocationSearch.new(nil, nil, self),
       Form::Lettings::Pages::Renewal.new(nil, nil, self),
       Form::Lettings::Pages::TenancyStartDate.new(nil, nil, self),
       Form::Lettings::Pages::RentType.new(nil, nil, self),

app/models/form/question.rb

@@ -160,6 +160,8 @@ class Form::Question
             when "select"
               if answer_options[value.to_s].respond_to?(:service_name)
                 answer_options[value.to_s].service_name
+              elsif answer_options[value.to_s].is_a?(Location)
+                answer_options[value.to_s].postcode
               else
                 answer_options[value.to_s]
               end

app/models/lettings_log.rb

@@ -706,6 +706,20 @@ class LettingsLog < Log
     self.la = inferred_la if inferred_la.present?
   end
 
+  def scheme_has_multiple_locations?
+    return false unless scheme
+
+    @scheme_locations_count ||= scheme.locations.active_in_2_weeks.size
+    @scheme_locations_count > 1
+  end
+
+  def scheme_has_large_number_of_locations?
+    return false unless scheme
+
+    @scheme_locations_count ||= scheme.locations.active_in_2_weeks.size
+    @scheme_locations_count > 19
+  end
+
 private
 
   def reset_invalid_unresolved_log_fields!
@@ -871,4 +885,5 @@ private
       uprn_selection_changed? || startdate_changed?
     end
   end
+
 end

spec/helpers/question_view_helper_spec.rb

@@ -32,7 +32,7 @@ RSpec.describe QuestionViewHelper do
       end
     end
 
-    context "when viewig a question without a caption" do
+    context "when viewing a question without a caption" do
       let(:caption_text) { nil }
 
       it "returns nil" do
@@ -114,4 +114,56 @@ RSpec.describe QuestionViewHelper do
       end
     end
   end
+
+  describe "select_option_name" do
+    context "when value is a location" do
+      let(:value) { build(:location)}
+
+      it "returns the location's postcode" do
+        expect(select_option_name(value)).to eq(value.postcode)
+      end
+    end
+
+    context "when value is a hash with a name key" do
+      let(:value) { { "name" => "example name" } }
+
+      it "returns the value of the name key" do
+        expect(select_option_name(value)).to eq(value["name"])
+      end
+    end
+
+    context "when value responds to service_name" do
+      let(:value) { build(:scheme)}
+
+      it "returns the value of the service_name method" do
+        expect(select_option_name(value)).to eq(value.service_name)
+      end
+    end
+  end
+
+  describe "answer_option_hint" do
+    context "when not a scheme or location" do
+      let(:resource) { { "value" => "not a scheme or location" }}
+
+      it "returns nil" do
+        expect(answer_option_hint(resource)).to be_nil
+      end
+    end
+
+    context "when resource is a scheme" do
+      let(:resource) { build(:scheme, primary_client_group: "O", secondary_client_group: "E") }
+
+      it "returns the primary and secondary client groups" do
+        expect(answer_option_hint(resource)).to eq("Homeless families with support needs, People with mental health problems")
+      end
+    end
+
+    context "when resource is a location" do
+      let(:resource) { build(:location) }
+
+      it "returns the location's name" do
+        expect(answer_option_hint(resource)).to eq(resource.name)
+      end
+    end
+  end
 end

spec/models/form/lettings/pages/location_search_spec.rb

@@ -0,0 +1,19 @@
+require "rails_helper"
+
+RSpec.describe Form::Lettings::Pages::LocationSearch, type: :model do
+  subject(:page) { described_class.new(page_id, page_definition, subsection) }
+
+  let(:page_id) { nil }
+  let(:page_definition) { nil }
+  let(:subsection) { instance_double(Form::Subsection) }
+
+  it "has the correct depends_on" do
+    expect(page.depends_on).to eq([
+      {
+        "needstype" => 2,
+        "scheme_has_multiple_locations?" => true,
+        "scheme_has_large_number_of_locations?" => true,
+      },
+    ])
+  end
+end

spec/models/form/lettings/pages/location_spec.rb

@@ -38,6 +38,7 @@ RSpec.describe Form::Lettings::Pages::Location, type: :model do
       {
         "needstype" => 2,
         "scheme_has_multiple_locations?" => true,
+        "scheme_has_large_number_of_locations?" => false,
       },
     ])
   end