Support service IDs in ‘find services by name’

Sometimes we get a service ID from a support ticket or a Slack
discussion. Rather than having to hack the URL, this PR augments the
‘Find services by name’ page to support service IDs. If a UUID is
entered, it assumes that it’s been given a service ID, and redirects
straight to the dashboard for that service, without showing any search
results (a complete UUID would never match multiple services). If the
UUID is not a service ID, the user will get a 404.

app/main/views/find_services.py

@@ -1,4 +1,7 @@
-from flask import render_template
+import uuid
+from contextlib import suppress
+
+from flask import redirect, render_template, url_for
 
 from app import service_api_client
 from app.main import main
@@ -12,6 +15,11 @@ def find_services_by_name():
     form = SearchByNameForm()
     services_found = None
     if form.validate_on_submit():
+        with suppress(ValueError):
+            return redirect(url_for(
+                'main.service_dashboard',
+                service_id=uuid.UUID(form.search.data)
+            ))
         services_found = service_api_client.find_services_by_name(service_name=form.search.data)['data']
     return render_template(
         'views/find-services/find-services-by-name.html',

app/templates/views/find-services/find-services-by-name.html

@@ -20,7 +20,7 @@
   ) %}
     <div class="govuk-grid-column-three-quarters">
       {{ form.search(param_extensions={
-        "label": {"text": "Find services by name, or by partial name"}
+        "label": {"text": "Find services by name, partial name, or service ID"}
       }) }}
     </div>
     <div class="govuk-grid-column-one-quarter">