Update existing transaction if transactionid was passed

server/transaction.go

@@ -41,6 +41,23 @@ func (h *Handler) newTransaction(c *gin.Context) {
 		return
 	}
 
+	transactionID := c.Param("transactionid")
+	if transactionID != "" {
+		editTransaction := postgres.UpdateTransactionParams{
+			Memo:       payload.Memo,
+			Date:       time.Time(payload.Date),
+			Amount:     amount,
+			PayeeID:    payload.Payee.ID,
+			CategoryID: payload.CategoryID,
+			ID:         uuid.MustParse(transactionID),
+		}
+
+		err := h.Service.UpdateTransaction(c.Request.Context(), editTransaction)
+		if err != nil {
+			c.AbortWithError(http.StatusInternalServerError, fmt.Errorf("edit transaction: %w", err))
+			return
+		}
+	} else {
 		newTransaction := postgres.CreateTransactionParams{
 			Memo:   payload.Memo,
 			Date:   time.Time(payload.Date),
@@ -69,9 +86,9 @@ func (h *Handler) newTransaction(c *gin.Context) {
 			c.AbortWithError(http.StatusInternalServerError, fmt.Errorf("create transaction: %w", err))
 			return
 		}
-
 		c.JSON(http.StatusOK, transaction)
 	}
+}
 
 func (h *Handler) CreateTransferForOtherAccount(newTransaction postgres.CreateTransactionParams, amount numeric.Numeric, payload NewTransactionPayload, err error, c *gin.Context) error {
 	newTransaction.GroupID = uuid.NullUUID{UUID: uuid.New(), Valid: true}