tetratto/crates/core/src/model/economy.rs

36 lines
1,010 B
Rust

use serde::{Serialize, Deserialize};
use tetratto_shared::{snow::Snowflake, unix_epoch_timestamp};
use super::auth::User;
#[derive(Serialize, Deserialize)]
pub struct CoinTransfer {
pub id: usize,
pub created: usize,
pub sender: usize,
pub receiver: usize,
pub amount: i32,
}
impl CoinTransfer {
/// Create a new [`CoinTransfer`].
pub fn new(sender: usize, receiver: usize, amount: i32) -> Self {
Self {
id: Snowflake::new().to_string().parse::<usize>().unwrap(),
created: unix_epoch_timestamp(),
sender,
receiver,
amount,
}
}
/// Apply the effects of this transaction onto the sender and receiver balances.
///
/// # Returns
/// `(sender bankrupt, receiver bankrupt)`
pub fn apply(&self, sender: &mut User, receiver: &mut User) -> (bool, bool) {
sender.coins -= self.amount;
receiver.coins += self.amount;
(sender.coins < 0, receiver.coins < 0)
}
}