Handle amount in import and display

http/ynab-import.go

@@ -123,7 +123,16 @@ func GetAmount(inflow string, outflow string) (pgtype.Numeric, error) {
 	num := pgtype.Numeric{}
 	err := num.Set(inflow)
 	if err != nil {
-		return num, fmt.Errorf("Could not inflow %s: %w", inflow, err)
+		return num, fmt.Errorf("Could not parse inflow %s: %w", inflow, err)
+	}
+
+	if num.Int.Int64() != 0 {
+		return num, nil
+	}
+
+	err = num.Set("-" + outflow)
+	if err != nil {
+		return num, fmt.Errorf("Could not parse outflow %s: %w", inflow, err)
 	}
 	return num, nil
 }

postgres/conn.go

@@ -43,3 +43,13 @@ func (tx Transaction) GetAmount() float64 {
 	}
 	return amount
 }
+
+func (tx Transaction) GetAmountString() string {
+	amount := tx.GetAmount()
+	return fmt.Sprintf("%.2f", amount)
+}
+
+func (tx Transaction) GetPositive() bool {
+	amount := tx.GetAmount()
+	return amount >= 0
+}

web/budget.html

@@ -19,7 +19,7 @@
         <td>
             <a href="transaction/{{.ID}}">{{.Memo}}</a>
         </td>
-        <td>{{.GetAmount}}</td>
+        <td style="text-align: right;{{if .GetPositive()}}{{else}}color: red;{{end}}">{{.GetAmount}}</td>
     </tr>
     {{end}}
 </table>