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xinghuoapi/backend/internal/service/user_group_rate.go
2026-02-05 16:05:42 +08:00

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package service
import "context"
// UserGroupRateRepository 用户专属分组倍率仓储接口
// 允许管理员为特定用户设置分组的专属计费倍率,覆盖分组默认倍率
type UserGroupRateRepository interface {
// GetByUserID 获取用户的所有专属分组倍率
// 返回 map[groupID]rateMultiplier
GetByUserID(ctx context.Context, userID int64) (map[int64]float64, error)
// GetByUserAndGroup 获取用户在特定分组的专属倍率
// 如果未设置专属倍率,返回 nil
GetByUserAndGroup(ctx context.Context, userID, groupID int64) (*float64, error)
// SyncUserGroupRates 同步用户的分组专属倍率
// rates: map[groupID]*rateMultipliernil 表示删除该分组的专属倍率
SyncUserGroupRates(ctx context.Context, userID int64, rates map[int64]*float64) error
// DeleteByGroupID 删除指定分组的所有用户专属倍率(分组删除时调用)
DeleteByGroupID(ctx context.Context, groupID int64) error
// DeleteByUserID 删除指定用户的所有专属倍率(用户删除时调用)
DeleteByUserID(ctx context.Context, userID int64) error
}