variant and price

repositories/productRepository.go

@@ -748,6 +748,21 @@ func (r *productRepository) FetchFilteredProducts(
 	//     dropped from the balance.
 	// locationID 0 means "not scoped to an outlet": stock is then the tenant's
 	// total across outlets, which is what an unscoped listing should show.
+	//
+	// `price` is computed here for the same reason it is computed in GetProducts
+	// and GetProductByVariant, and its absence was the same bug all three times.
+	// `a.*` carries `products.price`, which nothing ever writes — the selling
+	// price lives in `productlocations.price`, set per outlet when the admin
+	// prices a product, with `products.retailprice` as the tenant-wide fallback.
+	// Without this the endpoint returned price 0 for every row while
+	// retailprice held the real figure, so an app reading `price` showed nothing
+	// at all. Measured on tenant 1135: price 0 / retailprice 50 on this
+	// endpoint, against price 50 on the other three.
+	//
+	// A correlated subquery rather than a read off the joined `b`, because that
+	// derived table takes MAX(locationid) to collapse duplicates and would hand
+	// back an arbitrary outlet's price whenever the caller did not scope to one.
+	// Ordering by locationid at least makes the unscoped answer deterministic.
 	query := r.db.
 		Table("products a").
 		Select(`
@@ -756,9 +771,16 @@ func (r *productRepository) FetchFilteredProducts(
 		b.locationid,
 		c.categoryname,
 		d.subcatname AS subcategoryname,
+		COALESCE(NULLIF((
+			SELECT pl2.price FROM productlocations pl2
+			WHERE pl2.productid = a.productid AND pl2.tenantid = a.tenantid
+			  AND (? = 0 OR pl2.locationid = ?)
+			ORDER BY pl2.locationid
+			LIMIT 1
+		), 0), a.retailprice, 0) AS price,
 		COALESCE(ps.quantity, 0) AS productstock,
 		COALESCE(ps.quantity, 0) AS quantity
-	`).
+	`, locationID, locationID).
 		Joins(`
 		LEFT JOIN (
 			SELECT productid, tenantid,