new model and endpoints..

internal/database/main.go

@@ -69,6 +69,29 @@ func InitDB(db *sql.DB) {
         UNIQUE(company_id, name)
     );
 
+    -- parent table
+    CREATE TABLE closed_positions (
+        id            INTEGER PRIMARY KEY AUTOINCREMENT,
+        symbol        TEXT NOT NULL,
+        currency_code TEXT NOT NULL,
+        product       TEXT NOT NULL,
+        open_time     DATETIME NOT NULL,
+        realized_gain REAL,
+        tax_amount    REAL,
+        holding_days  INTEGER
+    );
+
+    -- child table, one row per close lot
+    CREATE TABLE close_entries (
+        id                  INTEGER PRIMARY KEY AUTOINCREMENT,
+        closed_position_id  INTEGER NOT NULL REFERENCES closed_positions(id),
+        shares              INTEGER NOT NULL,
+        in_price            REAL NOT NULL,
+        out_price           REAL NOT NULL,
+        gain_price          REAL NOT NULL,
+        close_time          DATETIME NOT NULL
+    );
+
     CREATE TABLE IF NOT EXISTS revenue_entries (
         id          INTEGER PRIMARY KEY AUTOINCREMENT,
         company_id  INTEGER NOT NULL,