Clean orphaned page article link records

app/models/article.rb

@@ -1,11 +1,3 @@
-#    create_table :articles do |t|
-#      # t.column :name, :string
-#      t.column :title, :string
-#      t.column :source_text, :text
-#      # automated stuff
-#      t.column :created_on, :datetime
-#      t.column :lock_version, :integer, :default => 0
-#    end
 # == Schema Information
 #
 # Table name: articles
@@ -41,21 +33,20 @@ class Article < ApplicationRecord
   validates :latitude, allow_blank: true, numericality: { less_than_or_equal_to: 90, greater_than_or_equal_to: -90}
   validates :longitude, allow_blank: true, numericality: { less_than_or_equal_to: 180, greater_than_or_equal_to: -180}
 
-
   has_and_belongs_to_many :categories, -> { distinct }
   belongs_to :collection, optional: true
   has_many(:target_article_links, :foreign_key => "target_article_id", :class_name => 'ArticleArticleLink')
   scope :target_article_links, -> { include 'source_article' }
   scope :target_article_links, -> { order "articles.title ASC" }
 
   has_many(:source_article_links, :foreign_key => "source_article_id", :class_name => 'ArticleArticleLink')
-  has_many(:page_article_links)
+  has_many :page_article_links, dependent: :destroy
   scope :page_article_links, -> { includes(:page) }
   scope :page_article_links, -> { order("pages.work_id, pages.position ASC") }
 
-  scope :pages_for_this_article, -> { order("pages.work_id, pages.position ASC").includes(:pages)}
+  scope :pages_for_this_article, -> { order("pages.work_id, pages.position ASC").includes(:pages) }
 
-  has_many :pages, through: :page_article_links, counter_cache: true
+  has_many :pages, through: :page_article_links
 
   has_many :article_versions, -> { order 'version DESC' }, dependent: :destroy
 
@@ -81,7 +72,7 @@ def source_text
 
   def self.delete_orphan_articles
     # don't delete orphan articles with contents
-    Article.delete_all("source_text IS NULL AND id NOT IN (select article_id from page_article_links)")
+    Article.where('source_text IS NULL AND id NOT IN (SELECT article_id FROM page_article_links)').destroy_all
   end
 
   #######################
@@ -146,7 +137,7 @@ def possible_duplicates
   def clear_links(type='does_not_apply')
     # clear out the existing links to this page
     if self.id
-      ArticleArticleLink.where("source_article_id = #{self.id}").delete_all
+      ArticleArticleLink.where("source_article_id = #{self.id}").destroy_all
     end
   end
 

app/models/page.rb

@@ -57,9 +57,8 @@ class Page < ApplicationRecord
   acts_as_list :scope => :work
   belongs_to :last_editor, :class_name => 'User', :foreign_key => 'last_editor_user_id', optional: true
 
-
-  has_many :page_article_links, :dependent => :destroy
-  has_many :articles, :through => :page_article_links
+  has_many :page_article_links, dependent: :destroy
+  has_many :articles, through: :page_article_links
   has_many :page_versions, -> { order 'page_version DESC' }, :dependent => :destroy
 
   belongs_to :current_version, :class_name => 'PageVersion', :foreign_key => 'page_version_id', optional: true
@@ -530,7 +529,7 @@ def clear_links(text_type)
     if self.page_article_links.present?
       self.clear_article_graphs
       # clear out the existing links to this page
-      PageArticleLink.where("page_id = #{self.id} and text_type = '#{text_type}'").delete_all
+      PageArticleLink.where("page_id = #{self.id} and text_type = '#{text_type}'").destroy_all
     end
   end
 

app/models/page_article_link.rb

@@ -1,10 +1,3 @@
-#     # foreign keys
-#      t.column :page_id, :integer
-#      t.column :article_id, :integer
-#      # text
-#      t.column :display_text, :string
-#      # automated stuff
-#      t.column :created_on, :datetime
 # == Schema Information
 #
 # Table name: page_article_links
@@ -23,5 +16,5 @@
 #
 class PageArticleLink < ApplicationRecord
   belongs_to :page, optional: true
-  belongs_to :article, optional: true
+  belongs_to :article, counter_cache: :pages_count, optional: true
 end

db/migrate/20240625185153_clean_orphan_page_link_records.rb

@@ -0,0 +1,9 @@
+class CleanOrphanPageLinkRecords < ActiveRecord::Migration[6.1]
+
+  def up
+    page_article_links = PageArticleLink.where(article_id: nil).or(PageArticleLink.where(page_id: nil))
+
+    page_article_links.in_batches(of: 1000).destroy_all
+  end
+
+end