// Get list of product by category // with times, every time 50 products public List<Product> getListProductByIdBrand(int brandId, int times) { Query query = null; List<Product> listProduct = new ArrayList<Product>(); String hql = ""; int n = (times - 1) * 50; int m = times * 50; // Get brand by brandId Brand brand = brandDao.get(brandId, Brand.class); try { hql = "FROM Product p WHERE p.brand = :brand ORDER BY p.productName "; query = getSession().createQuery(hql); query.setParameter("brand", brand); if (times > 0) { query.setFirstResult(n); query.setMaxResults(m); } listProduct = query.list(); } catch (Exception e) { e.printStackTrace(); // log.error(e); } return listProduct; }
// Search product by category, brand, color, size, price, name // with times, every time 50 products public List<Product> searchProductByCategoryBrandColorSizePriceName( int categoryId, int brandId, int colorId, int sizeId, float fromPrice, float toPrice, String productName, int times) { Query query = null; List<Product> listProduct = new ArrayList<Product>(); String hql = ""; int n = (times - 1) * 50; int m = times * 50; // Get category by categoryId Category category = categoryDao.get(categoryId, Category.class); // Get brand by brandId Brand brand = brandDao.get(brandId, Brand.class); // Get color by colorId Color color = colorDao.get(colorId, Color.class); // Get size by sizeId Size size = sizeDao.get(sizeId, Size.class); try { // hql = "FROM Product p WHERE p.productName LIKE :productName "; hql = "SELECT DISTINCT d.product FROM DetailProduct d WHERE d.product.productName LIKE :productName"; if (category != null) { hql = hql + " AND d.product.category = :category "; } if (brand != null) { hql = hql + " AND d.product.brand = :brand "; } if (color != null) { hql = hql + " AND d.color = :color "; } if (size != null) { hql = hql + " AND d.size = :size "; } hql = hql + " AND d.product.productPrice >= :fromPrice "; if (toPrice > 0) { hql = hql + " AND d.product.productPrice <= :toPrice "; } hql += " ORDER BY d.product.productName "; query = getSession().createQuery(hql); query.setString("productName", "%" + productName + "%"); if (category != null) { query.setParameter("category", category); } if (brand != null) { query.setParameter("brand", brand); } if (color != null) { query.setParameter("color", color); } if (size != null) { query.setParameter("size", size); } query.setParameter("fromPrice", fromPrice); if (toPrice > 0) { query.setParameter("toPrice", toPrice); } if (times > 0) { query.setFirstResult(n); query.setMaxResults(m); } listProduct = query.list(); } catch (Exception e) { e.printStackTrace(); // log.error(e); } return listProduct; }