Employee

✅ Purpose

Defines a master → employee relationship for access control in Admin.

🧩 Fields

• master — FK to User
• employee — FK to User

Constraint: (master, employee) is unique.

🧠 Methods

• get_employees(user, with_master=False)

  • returns employee list for a master
  • optionally includes the master

• get_master(user)

  • returns master for the given employee or None