fix on shelf

controllers/productController.go

@@ -854,3 +854,28 @@ func (ctl *ProductController) UnpublishProduct(c *fiber.Ctx) error {
 		"details": fiber.Map{"productid": input.Productid, "outlets": outlets},
 	})
 }
+
+// RelinkCatalogue repairs a tenant's pointers back into the global catalogue.
+//
+// Defaults to a DRY RUN. The pass rewrites the column that decides what a
+// browse screen claims a shop already holds, and clearing a link is not
+// reversible from the outside — so the whole plan should be readable before any
+// of it happens. Pass `apply=true` to write.
+func (ctl *ProductController) RelinkCatalogue(c *fiber.Ctx) error {
+	tenantID, _ := strconv.Atoi(c.Query("tenantid", "0"))
+	if tenantID <= 0 {
+		return c.Status(http.StatusBadRequest).JSON(fiber.Map{
+			"code":    http.StatusBadRequest,
+			"message": "tenantid is required — this repairs one merchant's links, not the platform's",
+			"status":  false,
+		})
+	}
+	// Anything but an explicit `apply=true` is a dry run, including a typo.
+	apply := c.Query("apply", "") == "true"
+
+	report, err := ctl.productService.RelinkCatalogue(tenantID, !apply)
+	if err != nil {
+		return c.JSON(fiber.Map{"code": http.StatusInternalServerError, "message": err.Error(), "status": false})
+	}
+	return c.JSON(fiber.Map{"code": 200, "message": "Success", "status": true, "details": report})
+}