console categories

controllers/productController.go

@@ -787,6 +787,48 @@ func (ctl *ProductController) GetTenantCategories(c *fiber.Ctx) error {
 	})
 }
 
+// Recategorise re-files a tenant's products in bulk.
+//
+// PUT and not POST: it changes rows that already exist and creates none. The
+// response carries how many rows actually moved, which is the only way a caller
+// can tell "all done" from "every id I sent was wrong".
+func (ctl *ProductController) Recategorise(c *fiber.Ctx) error {
+	var body struct {
+		Tenantid int                            `json:"tenantid"`
+		Updates  []models.ProductCategoryUpdate `json:"updates"`
+	}
+	if err := c.BodyParser(&body); err != nil {
+		return c.Status(http.StatusBadRequest).JSON(fiber.Map{
+			"code":    http.StatusBadRequest,
+			"message": "invalid body",
+			"status":  false,
+		})
+	}
+	if body.Tenantid == 0 {
+		return c.Status(http.StatusBadRequest).JSON(fiber.Map{
+			"code":    http.StatusBadRequest,
+			"message": "tenantid is required",
+			"status":  false,
+		})
+	}
+
+	moved, err := ctl.productService.RecategoriseProducts(body.Tenantid, body.Updates)
+	if err != nil {
+		return c.Status(http.StatusInternalServerError).JSON(fiber.Map{
+			"code":    http.StatusInternalServerError,
+			"message": err.Error(),
+			"status":  false,
+		})
+	}
+
+	return c.JSON(fiber.Map{
+		"code":    http.StatusOK,
+		"message": "Success",
+		"status":  true,
+		"details": fiber.Map{"moved": moved},
+	})
+}
+
 // ResolveCategories exchanges category names for this tenant's category ids.
 //
 // POST, not GET, because it CREATES the categories it cannot find — a sheet