Add filters to PSDs page

app/components/app_patient_search_form_component.rb

@@ -79,6 +79,19 @@ class AppPatientSearchFormComponent < ViewComponent::Base
             <% end %>
           <% end %>
         <% end %>
+
+        <% if patient_specific_direction_statuses.any? %>
+          <%= f.govuk_radio_buttons_fieldset :patient_specific_direction_status, legend: { text: "PSD status", size: "s" } do %>
+            <%= f.govuk_radio_button :patient_specific_direction_status, "", checked: form.patient_specific_direction_status.blank?, label: { text: "Any" } %>
+
+            <% patient_specific_direction_statuses.each do |status| %>
+              <%= f.govuk_radio_button :patient_specific_direction_status,
+                                       status,
+                                       checked: form.patient_specific_direction_status == status,
+                                       label: { text: t(status, scope: %i[status patient_specific_direction label]) } %>
+            <% end %>
+          <% end %>
+        <% end %>
 
         <% if vaccine_methods.any? %>
           <%= f.govuk_radio_buttons_fieldset :vaccine_method, legend: { text: "Vaccination method", size: "s" } do %>
@@ -182,6 +195,7 @@ def initialize(
     register_statuses: [],
     triage_statuses: [],
     vaccination_statuses: [],
+    patient_specific_direction_statuses: [],
     vaccine_methods: [],
     year_groups: [],
     heading_level: 3,
@@ -197,6 +211,7 @@ def initialize(
     @register_statuses = register_statuses
     @triage_statuses = triage_statuses
     @vaccination_statuses = vaccination_statuses
+    @patient_specific_direction_statuses = patient_specific_direction_statuses
     @vaccine_methods = vaccine_methods
     @year_groups = year_groups
     @heading_level = heading_level
@@ -212,6 +227,7 @@ def initialize(
               :register_statuses,
               :triage_statuses,
               :vaccination_statuses,
+              :patient_specific_direction_statuses,
               :vaccine_methods,
               :year_groups,
               :heading_level,

app/controllers/concerns/patient_search_form_concern.rb

@@ -28,6 +28,7 @@ def patient_search_form_params
       :date_of_birth_year,
       :missing_nhs_number,
       :vaccination_status,
+      :patient_specific_direction_status,
       :q,
       :register_status,
       :triage_status,

app/forms/patient_search_form.rb

@@ -12,6 +12,7 @@ class PatientSearchForm < SearchForm
   attribute :date_of_birth_year, :integer
   attribute :missing_nhs_number, :boolean
   attribute :vaccination_status, :string
+  attribute :patient_specific_direction_status, :string
   attribute :programme_types, array: true
   attribute :q, :string
   attribute :register_status, :string
@@ -59,6 +60,7 @@ def apply(scope)
     scope = filter_register_status(scope)
     scope = filter_triage_status(scope)
     scope = filter_vaccine_method(scope)
+    scope = filter_patient_specific_direction_status(scope)
 
     scope.order_by_name
   end
@@ -168,6 +170,19 @@ def filter_vaccination_statuses(scope)
     end
   end
 
+  def filter_patient_specific_direction_status(scope)
+    return scope if (status = patient_specific_direction_status&.to_sym).blank?
+
+    case status
+    when :added
+      scope.has_patient_specific_direction(programme: programmes)
+    when :not_added
+      scope.without_patient_specific_direction(programme: programmes)
+    else
+      scope
+    end
+  end
+
   def filter_register_status(scope)
     if (status = register_status&.to_sym).present?
       scope.has_registration_status(status)

app/models/patient_session.rb

@@ -266,6 +266,18 @@ class PatientSession < ApplicationRecord
           )
         end
 
+  scope :has_patient_specific_direction,
+        ->(programme:) do
+          joins(:session).where(
+            PatientSpecificDirection
+              .where("patient_id = patient_sessions.patient_id")
+              .where("academic_year = sessions.academic_year")
+              .where(programme:)
+              .arel
+              .exists
+          )
+        end
+
   scope :destroy_all_if_safe,
         -> do
           includes(

app/views/sessions/patient_specific_directions/show.html.erb

@@ -8,29 +8,37 @@
 
 <%= render "sessions/header" %>
 
-<%= govuk_inset_text do %>
-  <span class="nhsuk-u-visually-hidden">Information: </span>
-  <p class="nhsuk-body">
-    There are <%= @eligible_for_bulk_psd_count %> children with consent for the nasal flu vaccine
-    who do not require triage and do not yet have a PSD in place.
-  </p>
-  <% if current_user.is_nurse? %>
-    <div class="nhsuk-action-link">
-      <%= link_to new_session_patient_specific_directions_path(@session), class: "nhsuk-action-link__link" do %>
-        <svg class="nhsuk-icon nhsuk-icon__arrow-right-circle" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" width="36" height="36">
-          <path d="M0 0h24v24H0z" fill="none"></path>
-          <path d="M12 2a10 10 0 0 0-9.95 9h11.64L9.74 7.05a1 1 0 0 1 1.41-1.41l5.66 5.65a1 1 0 0 1 0 1.42l-5.66 5.65a1 1 0 0 1-1.41 0 1 1 0 0 1 0-1.41L13.69 13H2.05A10 10 0 1 0 12 2z"></path>
-        </svg>
-        <span class="nhsuk-action-link__text">Add new PSDs</span>
-      <% end %>
-    </div>
-  <% end %>
-<% end %>
-
 <div class="nhsuk-grid-row">
-  <div class="app-grid-column-filters"></div>
+  <div class="app-grid-column-filters">
+    <%= render AppPatientSearchFormComponent.new(
+          @form,
+          url: session_patient_specific_directions_path(@session),
+          programmes: @session.programmes,
+          patient_specific_direction_statuses: %w[added not_added],
+          year_groups: @session.year_groups,
+        ) %>
+  </div>
 
   <div class="app-grid-column-results">
+    <%= govuk_inset_text do %>
+      <span class="nhsuk-u-visually-hidden">Information: </span>
+      <p class="nhsuk-body">
+        There are <%= @eligible_for_bulk_psd_count %> children with consent for the nasal flu vaccine
+        who do not require triage and do not yet have a PSD in place.
+      </p>
+      <% if current_user.is_nurse? %>
+        <div class="nhsuk-action-link">
+          <%= link_to new_session_patient_specific_directions_path(@session), class: "nhsuk-action-link__link" do %>
+            <svg class="nhsuk-icon nhsuk-icon__arrow-right-circle" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" width="36" height="36">
+              <path d="M0 0h24v24H0z" fill="none"></path>
+              <path d="M12 2a10 10 0 0 0-9.95 9h11.64L9.74 7.05a1 1 0 0 1 1.41-1.41l5.66 5.65a1 1 0 0 1 0 1.42l-5.66 5.65a1 1 0 0 1-1.41 0 1 1 0 0 1 0-1.41L13.69 13H2.05A10 10 0 1 0 12 2z"></path>
+            </svg>
+            <span class="nhsuk-action-link__text">Add new PSDs</span>
+          <% end %>
+        </div>
+      <% end %>
+    <% end %>
+
     <%= render AppSessionNeedsReviewWarningComponent.new(session: @session) %>
     <%= render AppSearchResultsComponent.new(@pagy, label: "children", heading: "Review PSDs") do %>
       <% @patient_sessions.each do |patient_session| %>

spec/forms/patient_search_form_spec.rb

@@ -34,6 +34,7 @@
   let(:register_status) { nil }
   let(:triage_status) { nil }
   let(:vaccine_method) { nil }
+  let(:patient_specific_direction_status) { nil }
   let(:year_groups) { %w[8 9 10 11] }
 
   let(:params) do
@@ -46,6 +47,7 @@
       date_of_birth_year:,
       missing_nhs_number:,
       vaccination_status:,
+      patient_specific_direction_status:,
       programme_types:,
       q:,
       register_status:,
@@ -458,6 +460,50 @@
       end
     end
 
+    context "filtering on patient specific direction status" do
+      let(:consent_statuses) { nil }
+      let(:date_of_birth_day) { nil }
+      let(:date_of_birth_month) { nil }
+      let(:date_of_birth_year) { nil }
+      let(:missing_nhs_number) { nil }
+      let(:vaccination_status) { nil }
+      let(:programme_types) { nil }
+      let(:q) { nil }
+      let(:register_status) { nil }
+      let(:triage_status) { nil }
+      let(:year_groups) { nil }
+
+      let!(:patient_session_with_psd) do
+        create(:patient_session, session:).tap do |patient_session|
+          create(
+            :patient_specific_direction,
+            patient: patient_session.patient,
+            programme: programmes.first
+          )
+        end
+      end
+
+      let!(:patient_session_without_psd) { create(:patient_session, session:) }
+
+      context "when status is 'added'" do
+        let(:patient_specific_direction_status) { "added" }
+
+        it "finds the patient with the PSD" do
+          expect(form.apply(scope)).to contain_exactly(patient_session_with_psd)
+        end
+      end
+
+      context "when status is 'not_added'" do
+        let(:patient_specific_direction_status) { "not_added" }
+
+        it "finds the patient that has no PSD" do
+          expect(form.apply(scope)).to contain_exactly(
+            patient_session_without_psd
+          )
+        end
+      end
+    end
+
     context "filtering on vaccine method" do
       let(:consent_statuses) { nil }
       let(:date_of_birth_day) { nil }