Add guide_card placeholder to save sub_guide_card

Co-authored-by: Jane Sandberg <sandbergja@users.noreply.github.com>

app/models/sub_guide_card.rb

@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 # SubGuideCard class which each GuideCard belongs to
+# Line 6 is a validation. The validation states that in order for a sub_guide to save it needs an associated guide_card
 class SubGuideCard < ApplicationRecord
   belongs_to :guide_card
 end

app/services/sub_guide_loading_service.rb

@@ -10,22 +10,23 @@ def initialize(csv_location: nil)
     @csv_location = csv_location || Rails.root.join('data', 'dbo-subguides', 'dbo.Subguides.17917.csv')
   end
 
-  def import
+  def import(parent_guide:)
     sub_guide_card_data = CSV.parse(File.read(csv_location), headers: true)
-    sub_guide_card_data.each do |entry|
-      import_sub_guide_card(entry)
+    sub_guide_card_data.each do |card|
+      import_sub_guide_card(card:, parent_guide:)
     end
   end
 
   private
 
-  def import_sub_guide_card(card)
+  def import_sub_guide_card(card:, parent_guide:)
     sgc = SubGuideCard.new
     sgc.id = card[0]
     sgc.heading = card[1]
     sgc.sortid = card[2]
     sgc.parentid = card[3]
     sgc.path = card[4]
+    sgc.guide_card = parent_guide
     sgc.save
   end
 end

spec/services/sub_guide_loading_service_spec.rb

@@ -14,7 +14,8 @@
 
   it 'imports all data from the CSV file' do
     expect(SubGuideCard.count).to eq 0
-    sgls.import
+    new_guide_card = GuideCard.new
+    sgls.import(parent_guide: new_guide_card)
     expect(SubGuideCard.count).to eq 5
   end
 end