Add link to create patients from consent forms

When an unmatched consent form doesn't map to any existing patient, we
want to allow users to create a new patient record. This record should
use an NHS number that's looked up via PDS, have a consent attached to
it that matches the consent from the parent form, and a parent that also
uses the details from the form.

app/controllers/consent_forms_controller.rb

@@ -45,6 +45,15 @@ def update_match
     redirect_to action: :index
   end
 
+  def new_patient
+    @patient = Patient.from_consent_form(@consent_form)
+
+    render layout: "two_thirds"
+  end
+
+  def create_patient
+  end
+
   private
 
   def consent_form_scope

app/models/patient.rb

@@ -314,6 +314,21 @@ def move_to_session!(new_session, from:)
     end
   end
 
+  def self.from_consent_form(consent_form)
+    new(
+      address_line_1: consent_form.address_line_1,
+      address_line_2: consent_form.address_line_2,
+      address_postcode: consent_form.address_postcode,
+      address_town: consent_form.address_town,
+      date_of_birth: consent_form.date_of_birth,
+      family_name: consent_form.family_name,
+      given_name: consent_form.given_name,
+      preferred_family_name: consent_form.preferred_family_name,
+      preferred_given_name: consent_form.preferred_given_name,
+      school: consent_form.school
+    )
+  end
+
   class NHSNumberMismatch < StandardError
   end
 

app/views/consent_forms/index.html.erb

@@ -19,7 +19,17 @@
               row.with_cell(text: consent_form.recorded_at.to_date.to_fs(:long))
               row.with_cell(text: consent_form.full_name)
               row.with_cell(text: consent_form.parent_full_name)
-              row.with_cell(text: govuk_link_to("Find match", consent_form))
+              row.with_cell do
+                tag.ul(class: "app-action-list") do
+                  match_link = link_to("Match with record", consent_form)
+                  create_link = link_to("Create record", patient_consent_form_path(consent_form))
+
+                  safe_join([
+                    tag.li(class: "app-action-list__item") { match_link },
+                    tag.li(class: "app-action-list__item") { create_link },
+                  ])
+                end
+              end
             end
           end
         end

app/views/consent_forms/new_patient.html.erb

@@ -0,0 +1,45 @@
+<% content_for :before_main do %>
+  <%= render AppBacklinkComponent.new(
+        href: consent_forms_path,
+        name: "unmatched consent responses",
+      ) %>
+<% end %>
+
+<% page_title = "Create a new child record from this consent response?" %>
+<%= h1 page_title: do %>
+  <span class="nhsuk-caption-l">
+    Consent response from <%= @consent_form.parent_full_name %>
+  </span>
+  <%= page_title %>
+<% end %>
+
+<%= render AppCardComponent.new do |c| %>
+  <% c.with_heading { "Child record" } %>
+  <%= render AppPatientSummaryComponent.new(@patient,
+                                            show_preferred_name: true,
+                                            show_address: true,
+                                            show_parent_or_guardians: true) %>
+<% end %>
+
+<%= render AppCardComponent.new do |c|
+      c.with_heading { "Consent response" }
+      render AppConsentFormSummaryComponent.new(
+        name: @consent_form.parent_full_name,
+        relationship: @consent_form.parent_relationship_label,
+        contact: {
+          phone: @consent_form.parent_phone,
+          email: @consent_form.parent_email,
+        },
+        response: {
+          text: @consent_form.summary_with_route,
+          timestamp: @consent_form.recorded_at,
+        },
+        refusal_reason: {
+          reason: @consent_form.human_enum_name(:reason).presence,
+          notes: @consent_form.reason_notes,
+        },
+      )
+    end %>
+
+<%= govuk_button_to "Create a new record from response",
+                    patient_consent_form_path(@consent_form) %>

config/routes.rb

@@ -95,6 +95,9 @@
     member do
       get "match/:patient_id", action: :edit_match, as: :match
       post "match/:patient_id", action: :update_match
+
+      get "patient", action: :new_patient
+      post "patient", action: :create_patient
     end
   end