@Autowired
public ProductRepository(DataSource dataSource) {
this.db = new NamedParameterJdbcTemplate(dataSource);
this.productInsertion =
new SimpleJdbcInsert(dataSource).withTableName("product").usingGeneratedKeyColumns("id");
this.productMapper =
(rs, rowNum) -> {
Product product = new Product();
product.setId(rs.getInt("product_id")); // PK는 필수값. getInt를 써도 문제는 없음
product.setName(rs.getString("product_name"));
product.setPrice((Long) rs.getObject("price"));
product.setDescription(rs.getString("desc"));
LocalDateTime regTime = LocalDateTime.parse(rs.getString("reg_time"), formatter);
product.setRegisteredTime(regTime);
Seller seller = new Seller();
seller.setId((Integer) rs.getObject("seller_id"));
seller.setName(rs.getString("seller_name"));
seller.setHomepage(rs.getString("homepage"));
seller.setAddress(rs.getString("address"));
product.setSeller(seller);
return product;
};
}
private Map<String, Object> mapColumns(Product product) {
Map<String, Object> params = new HashMap<>();
params.put("id", product.getId());
params.put("name", product.getName());
params.put("desc", product.getDescription());
params.put("price", product.getPrice());
params.put("seller_id", product.getSeller().getId());
params.put("reg_time", product.getRegisteredTime().format(formatter));
return params;
}