first commit

internal/mysqldao/vipflowlog.go

@@ -0,0 +1,65 @@
+package mysqldao
+
+import (
+	"context"
+
+	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/global"
+	"git.lzcwy.cn/zhengchiliu/zt-closet-backend/internal/mysqlmodel"
+	"gorm.io/gorm"
+)
+
+// VIPFlowLogDao VIP 流水数据访问
+type VIPFlowLogDao struct {
+	db *gorm.DB
+}
+
+// NewVIPFlowLogDao 创建 VIP 流水 DAO
+func NewVIPFlowLogDao() *VIPFlowLogDao {
+	return &VIPFlowLogDao{db: global.MysqlEngine}
+}
+
+// VIPFlowLogCreate 创建 VIP 流水
+func (d *VIPFlowLogDao) VIPFlowLogCreate(ctx context.Context, log *mysqlmodel.VIPFlowLog) error {
+	ctx, span := global.Tracer.Start(ctx, "mysqldao.VIPFlowLogCreate")
+	defer span.End()
+
+	if err := d.db.WithContext(ctx).Create(log).Error; err != nil {
+		span.RecordError(err)
+		return err
+	}
+	return nil
+}
+
+// VIPFlowLogExistsByOrderNo 判断指定订单是否已有 VIP 发放流水（补偿重试幂等判断）。
+func (d *VIPFlowLogDao) VIPFlowLogExistsByOrderNo(ctx context.Context, orderNo string) (bool, error) {
+	ctx, span := global.Tracer.Start(ctx, "mysqldao.VIPFlowLogExistsByOrderNo")
+	defer span.End()
+
+	var count int64
+	if err := d.db.WithContext(ctx).Model(&mysqlmodel.VIPFlowLog{}).
+		Where("order_no = ?", orderNo).
+		Count(&count).Error; err != nil {
+		span.RecordError(err)
+		return false, err
+	}
+	return count > 0, nil
+}
+
+// VIPFlowLogListByUserID 分页查询用户 VIP 流水
+func (d *VIPFlowLogDao) VIPFlowLogListByUserID(ctx context.Context, userID int64, page, pageSize int) ([]mysqlmodel.VIPFlowLog, int64, error) {
+	ctx, span := global.Tracer.Start(ctx, "mysqldao.VIPFlowLogListByUserID")
+	defer span.End()
+
+	var list []mysqlmodel.VIPFlowLog
+	var total int64
+	q := d.db.WithContext(ctx).Model(&mysqlmodel.VIPFlowLog{}).Where("user_id = ?", userID)
+	if err := q.Count(&total).Error; err != nil {
+		span.RecordError(err)
+		return nil, 0, err
+	}
+	if err := q.Offset((page - 1) * pageSize).Limit(pageSize).Order("id DESC").Find(&list).Error; err != nil {
+		span.RecordError(err)
+		return nil, 0, err
+	}
+	return list, total, nil
+}