pricing in app

repositories/productVariantLink.go

@@ -118,6 +118,17 @@ func (r *productRepository) VariantsForProducts(tenantid, locationid int, produc
 		return out, nil
 	}
 
+	// `price` is emitted as the EFFECTIVE price, not the raw override.
+	//
+	// The column holds an override where 0 means "no override", so a client
+	// reading the obvious field name got 0 for every size while the real figure
+	// sat in `variantprice` beside it. Measured on R mart: a grouped product
+	// whose three sizes are priced 50, 250 and 500 was emitting price 0 on all
+	// three, so the app showed them as free.
+	//
+	// Selected after `v.*` so it overwrites the raw column on the way out — the
+	// same trick GetProductByVariant uses for `quantity`. The stored override is
+	// untouched; only what is emitted changes.
 	var rows []models.Productvariant
 	err := r.db.
 		Table("productvariants v").
@@ -126,6 +137,11 @@ func (r *productRepository) VariantsForProducts(tenantid, locationid int, produc
 			p.productname AS variantproductname,
 			COALESCE(p.unitvalue, '') AS variantunitvalue,
 			COALESCE(p.productunit, '') AS variantproductunit,
+			COALESCE(NULLIF(v.price, 0), NULLIF((
+				SELECT pl.price FROM productlocations pl
+				WHERE pl.productid = v.variantproductid AND pl.tenantid = v.tenantid AND pl.locationid = ?
+				LIMIT 1
+			), 0), p.retailprice, 0) AS price,
 			-- The variant’s own override wins, then the outlet’s price, then the
 			-- master price. The override was being ignored entirely: a size
 			-- priced differently from its product was sold at the product’s
@@ -142,7 +158,7 @@ func (r *productRepository) VariantsForProducts(tenantid, locationid int, produc
 				FROM productstocks ps
 				WHERE ps.productid = v.variantproductid AND ps.tenantid = v.tenantid AND ps.locationid = ?
 			), 0) AS variantstock
-		`, locationid, locationid).
+		`, locationid, locationid, locationid).
 		// INNER, and that is the intended filter: a variant whose product was
 		// deleted is not a size a shopper can be offered.
 		Joins("JOIN products p ON p.productid = v.variantproductid AND p.tenantid = v.tenantid").