moving insert to another model and done so in database internal

internal/database/portfolio.go

@@ -36,7 +36,7 @@ func GetTrades(db *sql.DB) ([]model.Trade, error) {
 		if err != nil {
 			return nil, err
 		}
-		t.Currency = currency
+		t.Currency = currency.Name
 		t.Ticker = *company
 		switch TypeInt {
 		case 0:
@@ -83,7 +83,7 @@ func InsertTrade(db *sql.DB, trade model.Trade) error {
 	_, err := db.Exec(
 		"INSERT INTO trades (company_id, currency_id, shares, product, type, price, traded_at) VALUES (?, ?, ?, ?, ?, ?, ?)",
 		trade.Ticker.ID,
-		trade.Currency.ID,
+		trade.Currency,
 		trade.Shares,
 		trade.Product,
 		trade.Type,