From eefc9850e1226839d3251cfaeba637b59d829cc3 Mon Sep 17 00:00:00 2001
From: Adnan Zahir <adnanzaidanz@gmail.com>
Date: Sat, 25 Apr 2026 22:47:52 +0700
Subject: [PATCH] feat: editable po_date

---
 .../controllers/purchase.controller.go        | 26 +++++++++++++++
 internal/modules/purchases/route.go           |  1 +
 .../purchases/services/purchase.service.go    | 33 +++++++++++++++++++
 .../validations/purchase.validation.go        |  4 +++
 4 files changed, 64 insertions(+)

diff --git a/internal/modules/purchases/controllers/purchase.controller.go b/internal/modules/purchases/controllers/purchase.controller.go
index 6c627cb2..e3bce86f 100644
--- a/internal/modules/purchases/controllers/purchase.controller.go
+++ b/internal/modules/purchases/controllers/purchase.controller.go
@@ -283,6 +283,32 @@ func validatePurchaseDocumentSizes(files []*multipart.FileHeader) error {
 	return nil
 }
 
+func (ctrl *PurchaseController) UpdatePoDate(c *fiber.Ctx) error {
+	param := c.Params("id")
+	id, err := strconv.Atoi(param)
+	if err != nil || id == 0 {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid purchase id")
+	}
+
+	req := new(validation.UpdatePoDateRequest)
+	if err := c.BodyParser(req); err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid request body")
+	}
+
+	result, err := ctrl.service.UpdatePoDate(c, uint(id), req)
+	if err != nil {
+		return err
+	}
+
+	return c.Status(fiber.StatusOK).
+		JSON(response.Success{
+			Code:    fiber.StatusOK,
+			Status:  "success",
+			Message: "Purchase PO date updated successfully",
+			Data:    dto.ToPurchaseDetailDTO(*result),
+		})
+}
+
 func (ctrl *PurchaseController) DeleteItems(c *fiber.Ctx) error {
 	param := c.Params("id")
 	id, err := strconv.Atoi(param)
diff --git a/internal/modules/purchases/route.go b/internal/modules/purchases/route.go
index ed0c74f1..f07213af 100644
--- a/internal/modules/purchases/route.go
+++ b/internal/modules/purchases/route.go
@@ -21,6 +21,7 @@ func Routes(router fiber.Router, purchaseService service.PurchaseService, userSe
 	route.Post("/:id/approvals/staff", m.RequirePermissions(m.P_PurchaseApprovalStaff), ctrl.ApproveStaffPurchase)
 	route.Post("/:id/approvals/manager", m.RequirePermissions(m.P_PurchaseApprovalManager), ctrl.ApproveManagerPurchase)
 	route.Post("/:id/receipts", m.RequirePermissions(m.P_PurchaseReceive), ctrl.ReceiveProducts)
+	route.Patch("/:id/po-date", m.RequirePermissions(m.P_PurchaseUpdateOne), ctrl.UpdatePoDate)
 	route.Delete("/:id", m.RequirePermissions(m.P_PurchaseDeleteOne), ctrl.DeletePurchase)
 	route.Delete("/:id/items", m.RequirePermissions(m.P_PurchaseItemDeleteOne), ctrl.DeleteItems)
 }
diff --git a/internal/modules/purchases/services/purchase.service.go b/internal/modules/purchases/services/purchase.service.go
index 728c0e2b..61285a6c 100644
--- a/internal/modules/purchases/services/purchase.service.go
+++ b/internal/modules/purchases/services/purchase.service.go
@@ -45,6 +45,7 @@ type PurchaseService interface {
 	DeleteItems(ctx *fiber.Ctx, id uint, req *validation.DeletePurchaseItemsRequest) (*entity.Purchase, error)
 	DeletePurchase(ctx *fiber.Ctx, id uint) error
 	GetProgressRows(ctx *fiber.Ctx, query *exportprogress.Query) ([]exportprogress.Row, error)
+	UpdatePoDate(ctx *fiber.Ctx, id uint, req *validation.UpdatePoDateRequest) (*entity.Purchase, error)
 }
 
 const (
@@ -798,6 +799,38 @@ func (s *purchaseService) ApproveManagerPurchase(c *fiber.Ctx, id uint, req *val
 	return updated, nil
 }
 
+func (s *purchaseService) UpdatePoDate(c *fiber.Ctx, id uint, req *validation.UpdatePoDateRequest) (*entity.Purchase, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	parsed, err := utils.ParseDateString(strings.TrimSpace(req.PoDate))
+	if err != nil {
+		return nil, utils.BadRequest("po_date must use format YYYY-MM-DD")
+	}
+	poDate := parsed.UTC()
+
+	purchase, err := s.loadPurchase(c.Context(), id)
+	if err != nil {
+		return nil, err
+	}
+
+	if err := s.PurchaseRepo.PatchOne(c.Context(), id, map[string]any{"po_date": poDate}, nil); err != nil {
+		return nil, utils.Internal("Failed to update po_date")
+	}
+
+	purchase.PoDate = &poDate
+
+	updated, err := s.PurchaseRepo.GetByID(c.Context(), purchase.Id, s.withRelations)
+	if err != nil {
+		return nil, utils.Internal("Failed to reload purchase")
+	}
+	if err := s.attachLatestApproval(c.Context(), updated); err != nil {
+		s.Log.Warnf("Unable to attach latest approval for purchase %d: %+v", updated.Id, err)
+	}
+	return updated, nil
+}
+
 func (s *purchaseService) ReceiveProducts(c *fiber.Ctx, id uint, req *validation.ReceivePurchaseRequest) (*entity.Purchase, error) {
 	if err := s.Validate.Struct(req); err != nil {
 		return nil, err
diff --git a/internal/modules/purchases/validations/purchase.validation.go b/internal/modules/purchases/validations/purchase.validation.go
index 780b2911..54dea5bd 100644
--- a/internal/modules/purchases/validations/purchase.validation.go
+++ b/internal/modules/purchases/validations/purchase.validation.go
@@ -61,6 +61,10 @@ type DeletePurchaseItemsRequest struct {
 	ItemIDs []uint `json:"item_ids" validate:"required,min=1,dive,gt=0"`
 }
 
+type UpdatePoDateRequest struct {
+	PoDate string `json:"po_date" validate:"required,datetime=2006-01-02"`
+}
+
 type Query struct {
 	Page                  int    `query:"page" validate:"omitempty,number,min=1"`
 	Limit                 int    `query:"limit" validate:"omitempty,number,min=1,max=100"`