Added is_long(), is_short() functions

src/models.rs

@@ -260,7 +260,7 @@ impl Clone for ActiveOrder {
             order_form: self.order_form.clone(),
             creation_timestamp: self.creation_timestamp,
             update_timestamp: self.update_timestamp,
-            strategy: self.strategy.as_ref().map(|x| clone_box(&**x))
+            strategy: self.strategy.as_ref().map(|x| clone_box(&**x)),
         }
     }
 }
@@ -389,19 +389,15 @@ impl OrderForm {
     pub fn pair(&self) -> &SymbolPair {
         &self.pair
     }
-
     pub fn kind(&self) -> OrderKind {
         self.kind
     }
-
     pub fn platform(&self) -> &TradingPlatform {
         &self.platform
     }
-
     pub fn amount(&self) -> f64 {
         self.amount
     }
-
     pub fn price(&self) -> Option<f64> {
         match self.kind {
             OrderKind::Limit { price, .. } => Some(price),
@@ -413,14 +409,18 @@ impl OrderForm {
             OrderKind::ImmediateOrCancel { price, .. } => Some(price),
         }
     }
-
     pub fn leverage(&self) -> Option<f64> {
         self.leverage
     }
-
     pub fn metadata(&self) -> &Option<OrderMetadata> {
         &self.metadata
     }
+    pub fn is_long(&self) -> bool {
+        self.amount.is_sign_positive()
+    }
+    pub fn is_short(&self) -> bool {
+        self.amount.is_sign_negative()
+    }
 }
 
 #[derive(Debug)]