with the help of bullet, use and avoid eager loading correctly

Author: madhums

Gemfile

@@ -57,6 +57,7 @@ gem "tzinfo-data", platforms: %i[mingw mswin x64_mingw jruby]
 # Misc gems required for the app
 gem "country_select", "~> 8.0.3"
 gem "trix-rails", require: "trix"
+gem "react-rails", "~> 3.2"
 
 # Storing objects/images/documents
 gem "aws-sdk-s3", require: false
@@ -72,6 +73,7 @@ group :development, :test do
 end
 
 group :development do
+  gem "bullet", "~> 7.1" # Help to kill N+1 queries and unused eager loading
   gem "guard"
   gem "guard-rspec", require: false
   gem "web-console" # Use console on exceptions pages [https://github.com/rails/web-console]
@@ -87,12 +89,10 @@ group :test do
   gem "factory_bot_rails", "~> 6.2"
   gem "faker", "~> 3.2"
   gem "pundit-matchers", "~> 3.1"
+  gem "capybara"
 
   # Use system testing [https://guides.rubyonrails.org/testing.html#system-testing]
   # @todo check if these are required and remove if not
-  gem "capybara"
   gem "selenium-webdriver"
   gem "webdrivers"
 end
-
-gem "react-rails", "~> 3.2"

Gemfile.lock

@@ -117,6 +117,9 @@ GEM
     bugsnag (6.26.3)
       concurrent-ruby (~> 1.0)
     builder (3.2.4)
+    bullet (7.1.6)
+      activesupport (>= 3.0.0)
+      uniform_notifier (~> 1.11)
     capybara (3.40.0)
       addressable
       matrix
@@ -456,6 +459,7 @@ GEM
       concurrent-ruby (~> 1.0)
     unaccent (0.4.0)
     unicode-display_width (2.5.0)
+    uniform_notifier (1.16.0)
     warden (1.2.9)
       rack (>= 2.0.9)
     web-console (4.2.1)
@@ -487,6 +491,7 @@ DEPENDENCIES
   aws-sdk-s3
   bootsnap
   bugsnag (~> 6.26)
+  bullet (~> 7.1)
   capybara
   country_select (~> 8.0.3)
   cssbundling-rails (~> 1.4)

app/controllers/notifications_controller.rb

@@ -3,7 +3,7 @@ class NotificationsController < ApplicationController
 
   after_action :mark_notifications_as_read, only: :index
   def index
-    @notifications = current_user.notifications.newest_first
+    @notifications = current_user.notifications.includes(:event).newest_first
   end
 
   private

app/controllers/stories_controller.rb

@@ -101,7 +101,11 @@ def update_story
   end
 
   def set_story
-    @story = policy_scope(Story).with_attached_documents.includes(:user, story_updates: [:user]).find(params[:id])
+    @story = policy_scope(Story).with_attached_documents.includes(preload).find(params[:id])
+  end
+
+  def preload
+    [:user, story_updates: [:user]] if action_name == "show"
   end
 
   def permitted_attrs

config/environments/development.rb

@@ -1,6 +1,14 @@
 require "active_support/core_ext/integer/time"
 
 Rails.application.configure do
+  config.after_initialize do
+    Bullet.enable = true
+    Bullet.bullet_logger = true
+    Bullet.console = true
+    Bullet.rails_logger = true
+    Bullet.add_footer = true
+  end
+
   # Settings specified here will take precedence over those in config/application.rb.
 
   # In the development environment your application's code is reloaded any time