feat: harden phase one workflows

backend/src/main/java/com/linhelp/groupbuy/JdbcGroupBuyOrderStore.java

@@ -0,0 +1,113 @@
+package com.linhelp.groupbuy;
+
+import com.linhelp.common.enums.DeliveryMethod;
+import com.linhelp.common.enums.GroupBuyOrderStatus;
+import com.linhelp.common.enums.OfflinePayStatus;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.stereotype.Repository;
+
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Timestamp;
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Repository
+@ConditionalOnBean(JdbcTemplate.class)
+public class JdbcGroupBuyOrderStore implements GroupBuyOrderStore {
+    private final JdbcTemplate jdbcTemplate;
+
+    public JdbcGroupBuyOrderStore(JdbcTemplate jdbcTemplate) {
+        this.jdbcTemplate = jdbcTemplate;
+    }
+
+    @Override
+    public List<GroupBuyOrderResponse> loadAll() {
+        return jdbcTemplate.query(
+                "SELECT id, order_no, tenant_id, community_id, group_buy_id, group_buy_title, cover_url, user_id, address_id, " +
+                        "delivery_method, quantity, price_cent, amount_cent, status, offline_pay_status, remark, created_at, updated_at " +
+                        "FROM group_buy_order WHERE deleted = 0 ORDER BY id ASC",
+                this::mapOrder
+        );
+    }
+
+    @Override
+    public void save(GroupBuyOrderResponse order) {
+        int updated = jdbcTemplate.update(
+                "UPDATE group_buy_order SET order_no = ?, tenant_id = ?, community_id = ?, group_buy_id = ?, group_buy_title = ?, cover_url = ?, " +
+                        "user_id = ?, address_id = ?, delivery_method = ?, quantity = ?, price_cent = ?, amount_cent = ?, status = ?, " +
+                        "offline_pay_status = ?, remark = ?, updated_at = ? WHERE id = ?",
+                order.getOrderNo(),
+                order.getTenantId(),
+                order.getCommunityId(),
+                order.getGroupBuyId(),
+                order.getGroupBuyTitle(),
+                order.getCoverUrl(),
+                order.getUserId(),
+                order.getAddressId(),
+                order.getDeliveryMethod().name(),
+                order.getQuantity(),
+                order.getPriceCent(),
+                order.getAmountCent(),
+                order.getStatus().name(),
+                order.getOfflinePayStatus().name(),
+                order.getRemark(),
+                toTimestamp(order.getUpdatedAt()),
+                order.getId()
+        );
+        if (updated == 0) {
+            jdbcTemplate.update(
+                    "INSERT INTO group_buy_order (id, order_no, tenant_id, community_id, group_buy_id, group_buy_title, cover_url, user_id, address_id, " +
+                            "delivery_method, quantity, price_cent, amount_cent, status, offline_pay_status, remark, created_at, updated_at) " +
+                            "VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
+                    order.getId(),
+                    order.getOrderNo(),
+                    order.getTenantId(),
+                    order.getCommunityId(),
+                    order.getGroupBuyId(),
+                    order.getGroupBuyTitle(),
+                    order.getCoverUrl(),
+                    order.getUserId(),
+                    order.getAddressId(),
+                    order.getDeliveryMethod().name(),
+                    order.getQuantity(),
+                    order.getPriceCent(),
+                    order.getAmountCent(),
+                    order.getStatus().name(),
+                    order.getOfflinePayStatus().name(),
+                    order.getRemark(),
+                    toTimestamp(order.getCreatedAt()),
+                    toTimestamp(order.getUpdatedAt())
+            );
+        }
+    }
+
+    private GroupBuyOrderResponse mapOrder(ResultSet rs, int rowNum) throws SQLException {
+        GroupBuyOrderResponse order = new GroupBuyOrderResponse();
+        order.setId(rs.getLong("id"));
+        order.setOrderNo(rs.getString("order_no"));
+        order.setTenantId(rs.getLong("tenant_id"));
+        order.setCommunityId(rs.getLong("community_id"));
+        order.setGroupBuyId(rs.getLong("group_buy_id"));
+        order.setGroupBuyTitle(rs.getString("group_buy_title"));
+        order.setCoverUrl(rs.getString("cover_url"));
+        order.setUserId(rs.getLong("user_id"));
+        long addressId = rs.getLong("address_id");
+        order.setAddressId(rs.wasNull() ? null : addressId);
+        order.setDeliveryMethod(DeliveryMethod.valueOf(rs.getString("delivery_method")));
+        order.setQuantity(rs.getInt("quantity"));
+        order.setPriceCent(rs.getInt("price_cent"));
+        order.setAmountCent(rs.getInt("amount_cent"));
+        order.setStatus(GroupBuyOrderStatus.valueOf(rs.getString("status")));
+        order.setOfflinePayStatus(OfflinePayStatus.valueOf(rs.getString("offline_pay_status")));
+        order.setRemark(rs.getString("remark"));
+        order.setCreatedAt(rs.getTimestamp("created_at").toLocalDateTime());
+        order.setUpdatedAt(rs.getTimestamp("updated_at").toLocalDateTime());
+        return order;
+    }
+
+    private Timestamp toTimestamp(LocalDateTime value) {
+        return value == null ? null : Timestamp.valueOf(value);
+    }
+}