Terminology

Here are some of the terms used in Seafile

Users

• user_id: The unique user id in the form [email protected], stored in EmailUser.email in ccnet_db. In old version, this is the same as a user's real email. In new version, user's real email is stored in contact_email field instead. It is unchangeable.
• email: Same as user_id. The term is still used in API's returned value. The term should be avoided in other places.
• username: Same as user_id, used internally in Seafile's code.
• contact_email: User's contact email, which is also a user's real email. It is changeable.