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use serde::{Deserialize, Serialize};
use crate::portfolio::{OrderEvent, OrderType};
pub trait OrderEvaluator {
const DEFAULT_ORDER_TYPE: OrderType;
fn evaluate_order(&self, order: OrderEvent) -> Option<OrderEvent>;
}
#[derive(Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Deserialize, Serialize)]
pub struct DefaultRisk {}
impl OrderEvaluator for DefaultRisk {
const DEFAULT_ORDER_TYPE: OrderType = OrderType::Market;
fn evaluate_order(&self, mut order: OrderEvent) -> Option<OrderEvent> {
if self.risk_too_high(&order) {
return None;
}
order.order_type = DefaultRisk::DEFAULT_ORDER_TYPE;
Some(order)
}
}
impl DefaultRisk {
fn risk_too_high(&self, _: &OrderEvent) -> bool {
false
}
}