hastic/server/src/services/user_service.rs

use std::{collections::HashSet};

use serde::{ Deserialize, Serialize };

use std::iter::repeat_with;


pub type AccessToken = String;

const TOKEN_LENGTH: usize = 20;

#[derive(Debug, Deserialize, Serialize, Clone)]
pub struct User {
    pub username: String,
    pub password: String
}

pub struct UserService {
    tokens: HashSet<AccessToken>
}

impl UserService {
    pub fn new() -> UserService {
        UserService{
            tokens: HashSet::new()
        }
    }
    pub fn login(&mut self, user: &User) -> Option<AccessToken> {
        if user.username == "admin" && user.password == "admin" {
            let token: AccessToken = repeat_with(fastrand::alphanumeric).take(TOKEN_LENGTH).collect();
            self.tokens.insert(token.to_owned());
            return Some(token);
        }
        return None;
    }
    pub fn check_token(&self, username: &String, token: &AccessToken ) -> bool {
        return self.tokens.contains(token);
    }
}