changes fixed in the catalogue

repositories/productPublishRepository.go

@@ -30,13 +30,20 @@ import (
 // Idempotent: publishing an already-published product re-prices it and leaves
 // the original `publishedat` alone, so "when did this go live" survives a
 // second click.
-func (r *productRepository) PublishProduct(tenantID, productID int, price float64) (int, error) {
+func (r *productRepository) PublishProduct(tenantID, productID int, price, taxPercent float64) (int, error) {
 	if tenantID <= 0 || productID <= 0 {
 		return 0, fmt.Errorf("tenantid and productid are required")
 	}
 	if price <= 0 {
 		return 0, fmt.Errorf("set a price before publishing — a product with no price cannot be sold at a till")
 	}
+	// Zero is a legitimate rate — plenty of staples are zero-rated — so it
+	// cannot double as "not specified". Negative is refused rather than stored:
+	// three products already carry taxpercent -1, which yields negative tax
+	// under either convention.
+	if taxPercent < 0 {
+		return 0, fmt.Errorf("tax percentage cannot be negative")
+	}
 
 	var affected int
 	err := r.db.Transaction(func(tx *gorm.DB) error {
@@ -93,9 +100,9 @@ func (r *productRepository) PublishProduct(tenantID, productID int, price float6
 		// The master price follows, so an outlet that has no row of its own
 		// still reads the right figure through the COALESCE fallback in
 		// GetProducts.
-		return tx.Exec(`UPDATE products SET retailprice = ?, updated = NOW()
+		return tx.Exec(`UPDATE products SET retailprice = ?, taxpercent = ?, updated = NOW()
 		                WHERE productid = ? AND tenantid = ?`,
-			price, productID, tenantID).Error
+			price, taxPercent, productID, tenantID).Error
 	})
 
 	return affected, err

repositories/productRepository.go

@@ -42,7 +42,7 @@ type ProductRepository interface {
 
 	// Releasing a product from the admin catalogue to every outlet, and pulling
 	// it back. See productPublishRepository.go.
-	PublishProduct(tenantID, productID int, price float64) (int, error)
+	PublishProduct(tenantID, productID int, price, taxPercent float64) (int, error)
 	UnpublishProduct(tenantID, productID int) (int, error)
 	FindTenantProductByCatalogueRef(tenantid int, brand string, catalogueid int64) (*models.Products, error)
 	CreateProductReturningID(product models.Products) (int, error)
@@ -400,7 +400,7 @@ func (r *productRepository) GetStockStatement(tenantID, locationID, subcategoryI
 	// arithmetically identical to closing — the Inventory ledger then showed
 	// the same number in both columns and looked like stock never moved, even
 	// on days with sales.
-	query := `SELECT a.productid,a.productname,a.productimage,a.categoryid,a.subcategoryid,a.productunit,a.unitvalue,a.productcost,a.taxpercent,a.taxamount,a.retailprice,b.tenantid,b.locationid,b.publishedat,
+	query := `SELECT a.productid,a.productname,a.productimage,a.categoryid,a.subcategoryid,a.productunit,a.unitvalue,a.productcost,a.taxpercent,a.taxamount,a.retailprice,b.tenantid,b.locationid,
      		 COALESCE( SUM(CASE WHEN UPPER(c.stocktype) = 'IN'  AND c.stockdate::date < CURRENT_DATE THEN c.quantity ELSE 0 END) -
 			           SUM(CASE WHEN UPPER(c.stocktype) = 'OUT' AND  c.stockdate::date < CURRENT_DATE THEN c.quantity ELSE 0 END),0 )
 			 AS opening,
@@ -435,7 +435,7 @@ func (r *productRepository) GetStockStatement(tenantID, locationID, subcategoryI
 				a.productid, a.productname, a.productimage,
 				a.categoryid, a.subcategoryid, a.productunit,
 				a.productcost, a.taxpercent, a.taxamount,
-				a.retailprice, b.tenantid, b.locationid, b.publishedat
+				a.retailprice, b.tenantid, b.locationid
 			ORDER BY a.productid DESC LIMIT ` + strconv.Itoa(pagesize) + ` OFFSET ` + strconv.Itoa(offset)
 
 	if err := r.db.Raw(query, params...).Scan(&data).Error; err != nil {
@@ -475,7 +475,13 @@ func (r *productRepository) GetLocationProducts(tenantID, locationID, subcategor
 	// retailprice when the store hasn't set its own. Returning a bare b.price
 	// reported 0 for any product priced only at tenant level, which the store
 	// catalogue then rendered as "—".
-	query := `SELECT a.*, b.productlocationid, b.status,
+	// b.publishedat decides whether a store user may see this row at all, so it
+	// has to be selected explicitly for the same reason b.price does: `a.*`
+	// covers products, and publication is a per-outlet fact on
+	// productlocations. Without it the column came back null for every row —
+	// including ones that had just been published — and the store catalogue,
+	// which filters on it, showed nothing.
+	query := `SELECT a.*, b.productlocationid, b.status, b.publishedat,
 			  COALESCE(NULLIF(b.price, 0), a.retailprice, 0) AS price,
 			  COALESCE(SUM(CASE WHEN UPPER(c.stocktype) = 'IN' THEN c.quantity ELSE 0 END), 0) AS total_in,
     		  COALESCE(SUM(CASE WHEN UPPER(c.stocktype) = 'OUT' THEN c.quantity ELSE 0 END), 0) AS total_out,
@@ -500,7 +506,7 @@ func (r *productRepository) GetLocationProducts(tenantID, locationID, subcategor
 
 	query += ` GROUP BY a.productid, a.productname, a.productimage, a.categoryid, a.subcategoryid,
 			 a.productunit, a.productcost, a.taxpercent, a.taxamount, a.retailprice,
-			 b.tenantid, b.locationid, b.productlocationid, b.status, b.price
+			 b.tenantid, b.locationid, b.productlocationid, b.status, b.price, b.publishedat
 			 ORDER BY a.productid DESC LIMIT ? OFFSET ?`
 
 	params = append(params, pagesize, offset)