ds: remove trasnaction & add position

src/libtrader/ds/account/portfolio.rs

@@ -1,6 +1,3 @@
-use crate::ds::account::transaction::Transaction;
-
 #[derive(PartialEq, Debug)]
 pub struct Portfolio {
-    pub transaction_history: Vec<Transaction>,
 }

src/libtrader/ds/account/position.rs

@@ -0,0 +1,22 @@
+use chrono::{DateTime, Utc}
+
+#[derive(PartialEq, Debug)]
+pub enum PositionType { Sell, Buy }
+impl Default for TransactionType {
+    fn default() -> Self { PositionType::Buy }
+}
+
+#[derive(Default, PartialEq, Debug)]
+pub struct Position {
+    pub action_type: PositionType,
+    pub stock_symbol: String,
+    pub stock_open_amount: i64,
+    pub stock_open_price: i64,
+    pub stock_open_cost: i64,
+    pub stock_close_amount: i64,
+    pub stock_close_price: i64,
+    pub stock_close_cost: i64,
+    pub open_date: DateTime<Utc>,
+    pub close_date: DateTime<Utc>,
+    pub is_open: bool,
+}

src/libtrader/ds/account/transaction.rs

@@ -1,12 +0,0 @@
-#[derive(PartialEq, Debug)]
-pub enum TransactionType { Sell, Buy }
-impl Default for TransactionType {
-    fn default() -> Self { TransactionType::Buy }
-}
-
-#[derive(Default, PartialEq, Debug)]
-pub struct Transaction {
-    pub action_type: TransactionType,
-    pub cost: i64,
-    pub stocks_amount: i64,
-}