Delete classified listings when deleting user (#6258)

app/models/user.rb

@@ -46,7 +46,7 @@ class User < ApplicationRecord
   has_many :html_variants, dependent: :destroy
   has_many :page_views, dependent: :destroy
   has_many :credits, dependent: :destroy
-  has_many :classified_listings
+  has_many :classified_listings, dependent: :destroy
   has_many :poll_votes, dependent: :destroy
   has_many :poll_skips, dependent: :destroy
   has_many :backup_data, foreign_key: "instance_user_id", inverse_of: :instance_user, class_name: "BackupData", dependent: :delete_all

app/services/users/delete_activity.rb

@@ -35,6 +35,7 @@ module Users
       user.profile_pins.delete_all
       user.rating_votes.delete_all
       user.tweets.delete_all
+      user.classified_listings.delete_all
 
       handle_feedback_messages(user)
     end

spec/requests/internal/users_banish_spec.rb

@@ -236,6 +236,12 @@ RSpec.describe "Internal::Users", type: :request do
       expect(user.follows.count).to eq(0)
     end
 
+    it "removes a user's classified listings" do
+      create(:classified_listing, user: user)
+      banish_user
+      expect(user.classified_listings.count).to eq(0)
+    end
+
     it "creates an entry in the BanishedUsers table" do
       expect do
         banish_user