Add organisations:add_programme (#3112)

This adds a Rake task that can be used to add a programme to an existing
organisation.

docs/rake-tasks.md

@@ -31,6 +31,15 @@ This creates a new clinic location and attaches it to a organisation.
 
 Creates a GP practice location suitable for smoke testing in production.
 
+## Organisations
+
+### `organisations:add_programme[ods_code,type]`
+
+- `ods_code` - The ODS code of the organisation.
+- `type` - The programme type to add to the organisation. (`hpv`, `menacwy`, `td_ipv`)
+
+This adds a programme to an existing organisation. Normally this would be handled by the onboarding process.
+
 ## Schools
 
 ### `schools:add_to_organisation[ods_code,team_name,urn,...]`

lib/tasks/organisations.rake

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+namespace :organisations do
+  desc "Add a programme to an organisation."
+  task :add_programme, %i[ods_code type] => :environment do |_task, args|
+    organisation = Organisation.find_by!(ods_code: args[:ods_code])
+    programme = Programme.find_by!(type: args[:type])
+
+    OrganisationProgramme.find_or_create_by!(organisation:, programme:)
+  end
+end