app sbucategories

models/product.go

@@ -21,11 +21,21 @@ type Productcount struct {
 	Outofstock int `json:"outofstock"`
 }
 
-// ProductCategoryUpdate is one row of a bulk re-filing: which product, and
-// which category it should sit in.
+// ProductCategoryUpdate is one row of a bulk re-filing: which product, which
+// category it sits in, and — the field that actually decides what a shopper
+// sees — which subcategory.
+//
+// Both are here because they do different jobs. GetProducts filters on
+// categoryid (the customer app asks for 2), while GetProductsBySubcategory
+// GROUPS on subcategoryid, so the aisle heading in the app comes from the
+// second and the first only decides whether the product is returned at all.
+// A caller re-filing products into aisles sends categoryid 2 unchanged and the
+// subcategory it worked out.
 type ProductCategoryUpdate struct {
 	Productid  int `json:"productid"`
 	Categoryid int `json:"categoryid"`
+	// Optional: 0 leaves whatever the product already has.
+	Subcategoryid int `json:"subcategoryid"`
 }
 
 type ProductCategory struct {