fix: Article slug auto saves (#5524)

- Auto save article slug

app/models/article.rb

@@ -23,7 +23,7 @@
 #
 #  index_articles_on_associated_article_id  (associated_article_id)
 #  index_articles_on_author_id              (author_id)
-#  index_articles_on_slug                   (slug)
+#  index_articles_on_slug                   (slug) UNIQUE
 #
 class Article < ApplicationRecord
   include PgSearch::Model
@@ -45,6 +45,8 @@ class Article < ApplicationRecord
   belongs_to :author, class_name: 'User'
 
   before_validation :ensure_account_id
+  before_validation :ensure_article_slug
+
   validates :account_id, presence: true
   validates :category_id, presence: true
   validates :author_id, presence: true
@@ -112,4 +114,8 @@ class Article < ApplicationRecord
   def ensure_account_id
     self.account_id = portal&.account_id
   end
+
+  def ensure_article_slug
+    self.slug ||= "#{Time.now.utc.to_i}-#{title.underscore.parameterize(separator: '-')}" if title.present?
+  end
 end

db/migrate/20220930025317_add_unique_index_to_slug.rb

@@ -0,0 +1,6 @@
+class AddUniqueIndexToSlug < ActiveRecord::Migration[6.1]
+  def change
+    remove_index :articles, :slug
+    add_index :articles, :slug, unique: true
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_09_26_164441) do
+ActiveRecord::Schema.define(version: 2022_09_30_025317) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
@@ -134,7 +134,7 @@ ActiveRecord::Schema.define(version: 2022_09_26_164441) do
     t.string "slug", null: false
     t.index ["associated_article_id"], name: "index_articles_on_associated_article_id"
     t.index ["author_id"], name: "index_articles_on_author_id"
-    t.index ["slug"], name: "index_articles_on_slug"
+    t.index ["slug"], name: "index_articles_on_slug", unique: true
   end
 
   create_table "attachments", id: :serial, force: :cascade do |t|

spec/factories/articles.rb

@@ -3,8 +3,7 @@ FactoryBot.define do
     account_id { 1 }
     category_id { 1 }
     author_id { 1 }
-    title { 'MyString' }
-    slug { 'MyString' }
+    title { Faker::Movie.title }
     content { 'MyText' }
     description { 'MyDescrption' }
     status { 1 }

spec/models/article_spec.rb

@@ -119,11 +119,23 @@ RSpec.describe Article, type: :model do
         records = portal_1.articles.search(params)
         expect(records.count).to eq(2)
       end
+
+      it 'auto saves article slug' do
+        article = create(:article, category_id: category_1.id, title: 'the awesome article 1', content: 'This is the content', portal_id: portal_1.id,
+                                   author_id: user.id)
+        expect(article.slug).to include('the-awesome-article-1')
+      end
     end
 
     context 'with pagination' do
       it 'returns paginated articles' do
-        create_list(:article, 30, category_id: category_2.id, slug: 'title-1', title: 'title 1', portal_id: portal_2.id, author_id: user.id)
+        build_list(:article, 30) do |record, i|
+          record.category_id = category_2.id
+          record.title = "title #{i}"
+          record.portal_id = portal_2.id
+          record.author_id = user.id
+          record.save!
+        end
         params = { category_slug: 'category_2' }
         records = portal_2.articles.search(params)
         expect(records.count).to eq(25)