package service import "time" const ( BillingTypeBalance int8 = 0 // 钱包余额 BillingTypeSubscription int8 = 1 // 订阅套餐 ) type UsageLog struct { ID int64 UserID int64 APIKeyID int64 AccountID int64 RequestID string Model string GroupID *int64 SubscriptionID *int64 InputTokens int OutputTokens int CacheCreationTokens int CacheReadTokens int CacheCreation5mTokens int CacheCreation1hTokens int InputCost float64 OutputCost float64 CacheCreationCost float64 CacheReadCost float64 TotalCost float64 ActualCost float64 RateMultiplier float64 BillingType int8 Stream bool DurationMs *int FirstTokenMs *int CreatedAt time.Time User *User APIKey *APIKey Account *Account Group *Group Subscription *UserSubscription } func (u *UsageLog) TotalTokens() int { return u.InputTokens + u.OutputTokens + u.CacheCreationTokens + u.CacheReadTokens }