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claim_send_slot

headless_lms_models::credit_registration_account_linking_emails

Function claim_send_slot 

Source 
pub async fn claim_send_slot(
    conn: &mut PgConnection,
    new: &NewAccountLinkingEmail,
) -> ModelResult<Option<Uuid>>
Expand description

Claims the right to mail this (person, course, address); None means another row holds the address and the caller must not send. Call in the transaction that mints the token, so a refused claim leaves no usable link.