Module user_email_codes 

Structs

UserEmailCode

Enums

UserEmailCodePurpose

What a code authorises. Every read is scoped by it, so a code mailed for one action cannot be spent on another.

Functions

generate_code

A fresh code for mailing to a user.

get_unused_user_email_code_with_user_id

insert_user_email_code

Retires the user’s outstanding code for purpose and inserts a new one.

is_reset_user_email_code_valid

mark_user_email_code_used

record_failed_attempt

Counts a wrong guess against the user’s live code and retires it once max_attempts is reached.