more idiomatic

src/app/order.rs

@@ -67,7 +67,11 @@ pub async fn order_action(
             amount_vec.push(max);
         }
 
-        if order.premium != 0 && order.amount != 0 && order.fiat_amount != 0 {
+        let premium = (order.premium != 0).then_some(order.premium);
+        let amount = (order.amount != 0).then_some(order.amount);
+        let fiat_amount = (order.fiat_amount != 0).then_some(order.fiat_amount);
+
+        if premium.is_some() && amount.is_some() && fiat_amount.is_some() {
             send_cant_do_msg(request_id, None, None, &event.sender).await;
             return Ok(());
         }