Whenever a sale is made, both free and paid, an email should be sent to the admins.

Mail details

Subject: Yay! You have made a sale!
Body
Order #: order_id
Date: date
Email: email

Course Title: Course Price
View order

Who to send to

• To the primary owner i.e. the one who created the course (course.creatorId === user.userId and they should have course:manage permission)
• To all admins having course:manage_any permission.