pub async fn give_some_code_to_user(
conn: &mut PgConnection,
code_giveaway_id: Uuid,
user_id: Uuid,
) -> ModelResult<CodeGiveawayCode>
pub async fn give_some_code_to_user(
conn: &mut PgConnection,
code_giveaway_id: Uuid,
user_id: Uuid,
) -> ModelResult<CodeGiveawayCode>