To finalize the engine of the online store in PHP (CodeIgniter 3)

Need to modify the engine of the online store in PHP.
3 Codeigniter framework, Mysql Database, Jquery on frontend
You need to make an ajax comments to products with the addition of photos.

In the form of a comment name, email, comment, photo, captcha (recaptcha)
Each comment is logged the ip address in the database

Each comment has a status.

The review gets in the database with the status "Checked".
After the admin approves it managers, it will go to status "Published" and go to the product page.

Every comment should be able to delete and edit.