fix

internal/transformer/purchase_order_transformer.go

@@ -3,10 +3,11 @@ package transformer
 import (
 	"apskel-pos-be/internal/contract"
 	"apskel-pos-be/internal/models"
+	"time"
 )
 
 // Contract to Model conversions
-func CreatePurchaseOrderRequestToModel(req *contract.CreatePurchaseOrderRequest) *models.CreatePurchaseOrderRequest {
+func CreatePurchaseOrderRequestToModel(req *contract.CreatePurchaseOrderRequest) (*models.CreatePurchaseOrderRequest, error) {
 	items := make([]models.CreatePurchaseOrderItemRequest, len(req.Items))
 	for i, item := range req.Items {
 		items[i] = models.CreatePurchaseOrderItemRequest{
@@ -18,20 +19,32 @@ func CreatePurchaseOrderRequestToModel(req *contract.CreatePurchaseOrderRequest)
 		}
 	}
 
+	// Parse transaction date
+	transactionDate, err := time.Parse("2006-01-02", req.TransactionDate)
+	if err != nil {
+		return nil, err
+	}
+
+	// Parse due date
+	dueDate, err := time.Parse("2006-01-02", req.DueDate)
+	if err != nil {
+		return nil, err
+	}
+
 	return &models.CreatePurchaseOrderRequest{
 		VendorID:          req.VendorID,
 		PONumber:          req.PONumber,
-		TransactionDate:   req.TransactionDate,
-		DueDate:           req.DueDate,
+		TransactionDate:   transactionDate,
+		DueDate:           dueDate,
 		Reference:         req.Reference,
 		Status:            req.Status,
 		Message:           req.Message,
 		Items:             items,
 		AttachmentFileIDs: req.AttachmentFileIDs,
-	}
+	}, nil
 }
 
-func UpdatePurchaseOrderRequestToModel(req *contract.UpdatePurchaseOrderRequest) *models.UpdatePurchaseOrderRequest {
+func UpdatePurchaseOrderRequestToModel(req *contract.UpdatePurchaseOrderRequest) (*models.UpdatePurchaseOrderRequest, error) {
 	var items []models.UpdatePurchaseOrderItemRequest
 	if req.Items != nil {
 		items = make([]models.UpdatePurchaseOrderItemRequest, len(req.Items))
@@ -47,17 +60,37 @@ func UpdatePurchaseOrderRequestToModel(req *contract.UpdatePurchaseOrderRequest)
 		}
 	}
 
+	// Parse transaction date if provided
+	var transactionDate *time.Time
+	if req.TransactionDate != nil && *req.TransactionDate != "" {
+		parsedDate, err := time.Parse("2006-01-02", *req.TransactionDate)
+		if err != nil {
+			return nil, err
+		}
+		transactionDate = &parsedDate
+	}
+
+	// Parse due date if provided
+	var dueDate *time.Time
+	if req.DueDate != nil && *req.DueDate != "" {
+		parsedDate, err := time.Parse("2006-01-02", *req.DueDate)
+		if err != nil {
+			return nil, err
+		}
+		dueDate = &parsedDate
+	}
+
 	return &models.UpdatePurchaseOrderRequest{
 		VendorID:          req.VendorID,
 		PONumber:          req.PONumber,
-		TransactionDate:   req.TransactionDate,
-		DueDate:           req.DueDate,
+		TransactionDate:   transactionDate,
+		DueDate:           dueDate,
 		Reference:         req.Reference,
 		Status:            req.Status,
 		Message:           req.Message,
 		Items:             items,
 		AttachmentFileIDs: req.AttachmentFileIDs,
-	}
+	}, nil
 }
 
 func ListPurchaseOrdersRequestToModel(req *contract.ListPurchaseOrdersRequest) *models.ListPurchaseOrdersRequest {