feat: add schemes and locations download links and pages

app/components/search_result_caption_component.html.erb

@@ -1,10 +1,10 @@
 <span>
   <% if searched.present? && filters_count&.positive? %>
-    <strong><%= count %></strong> <%= item_label.pluralize(count) %> matching search and filters<br>
+    <strong><%= count %></strong> <%= item_label.pluralize(count) %> matching search and filters
   <% elsif searched.present? %>
-    <strong><%= count %></strong> <%= item_label.pluralize(count) %> matching search<br>
+    <strong><%= count %></strong> <%= item_label.pluralize(count) %> matching search
   <% elsif filters_count&.positive? %>
-    <strong><%= count %></strong> <%= item_label.pluralize(count) %> matching filters<br>
+    <strong><%= count %></strong> <%= item_label.pluralize(count) %> matching filters
   <% else %>
     <span class="govuk-!-margin-right-4">
       <strong><%= count %></strong> total <%= item %>

app/jobs/email_scheme_csv_job.rb

@@ -0,0 +1,33 @@
+class EmailSchemeCsvJob < ApplicationJob
+  queue_as :default
+
+  BYTE_ORDER_MARK = "\uFEFF".freeze # Required to ensure Excel always reads CSV as UTF-8
+
+  EXPIRATION_TIME = 24.hours.to_i
+
+  def perform(user, search_term = nil, filters = {}, all_orgs = false, organisation = nil, download_type = "combined") # rubocop:disable Style/OptionalBooleanParameter - sidekiq can't serialise named params
+    unfiltered_schemes = organisation.present? && user.support? ? Scheme.where(owning_organisation_id: organisation.id) : user.schemes.visible
+    filtered_schemes = FilterManager.filter_schemes(unfiltered_schemes, search_term, filters, all_orgs, user)
+
+    case download_type
+    when "schemes"
+      csv_string = Csv::SchemeCsvService.new(user:).prepare_csv(filtered_schemes)
+      filename = "#{['schemes', organisation&.name, Time.zone.now].compact.join('-')}.csv"
+    when "locations"
+      filtered_locations = filtered_schemes.map(&:locations).flatten
+      csv_string = Csv::LocationCsvService.new(user:).prepare_csv(filtered_locations)
+      filename = "#{['locations', organisation&.name, Time.zone.now].compact.join('-')}.csv"
+    when "combined"
+      filtered_locations = filtered_schemes.map(&:locations).flatten
+      csv_string = Csv::SchemeAndLocationCsvService.new(user:).prepare_csv(filtered_locations)
+      filename = "#{['schemes-and-locations', organisation&.name, Time.zone.now].compact.join('-')}.csv"
+    end
+
+    storage_service = Storage::S3Service.new(Configuration::EnvConfigurationService.new, ENV["CSV_DOWNLOAD_PAAS_INSTANCE"])
+    storage_service.write_file(filename, BYTE_ORDER_MARK + csv_string)
+
+    url = storage_service.get_presigned_url(filename, EXPIRATION_TIME)
+
+    CsvDownloadMailer.new.send_csv_download_mail(user, url, EXPIRATION_TIME)
+  end
+end