// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by a GPL license that can be found in the LICENSE file.
module main

import rand

struct Token {
    id      int @[primary; sql: serial]
    user_id int
    value   string
    ip      string
}

fn (mut app App) add_token(user_id int, ip string) !string {
    mut uuid := rand.uuid_v4()

    token := Token{
        user_id: user_id
        value:   uuid
        ip:      ip
    }

    sql app.db {
        insert token into Token
    }!

    return uuid
}

fn (mut app App) get_token(value string) ?Token {
    tokens := sql app.db {
        select from Token where value == value limit 1
    } or { []Token{} }
    if tokens.len == 0 {
        return none
    }
    return tokens.first()
}

fn (mut app App) delete_tokens(user_id int) ! {
    sql app.db {
        delete from Token where user_id == user_id
    }!
}