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xinghuoapi/backend/internal/model/usage_log.go
2025-12-18 13:50:39 +08:00

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package model
import (
"time"
)
// 消费类型常量
const (
BillingTypeBalance int8 = 0 // 钱包余额
BillingTypeSubscription int8 = 1 // 订阅套餐
)
type UsageLog struct {
ID int64 `gorm:"primaryKey" json:"id"`
UserID int64 `gorm:"index;not null" json:"user_id"`
ApiKeyID int64 `gorm:"index;not null" json:"api_key_id"`
AccountID int64 `gorm:"index;not null" json:"account_id"`
RequestID string `gorm:"size:64" json:"request_id"`
Model string `gorm:"size:100;index;not null" json:"model"`
// 订阅关联(可选)
GroupID *int64 `gorm:"index" json:"group_id"`
SubscriptionID *int64 `gorm:"index" json:"subscription_id"`
// Token使用量4类
InputTokens int `gorm:"default:0;not null" json:"input_tokens"`
OutputTokens int `gorm:"default:0;not null" json:"output_tokens"`
CacheCreationTokens int `gorm:"default:0;not null" json:"cache_creation_tokens"`
CacheReadTokens int `gorm:"default:0;not null" json:"cache_read_tokens"`
// 详细的缓存创建分类
CacheCreation5mTokens int `gorm:"default:0;not null" json:"cache_creation_5m_tokens"`
CacheCreation1hTokens int `gorm:"default:0;not null" json:"cache_creation_1h_tokens"`
// 费用USD
InputCost float64 `gorm:"type:decimal(20,10);default:0;not null" json:"input_cost"`
OutputCost float64 `gorm:"type:decimal(20,10);default:0;not null" json:"output_cost"`
CacheCreationCost float64 `gorm:"type:decimal(20,10);default:0;not null" json:"cache_creation_cost"`
CacheReadCost float64 `gorm:"type:decimal(20,10);default:0;not null" json:"cache_read_cost"`
TotalCost float64 `gorm:"type:decimal(20,10);default:0;not null" json:"total_cost"` // 原始总费用
ActualCost float64 `gorm:"type:decimal(20,10);default:0;not null" json:"actual_cost"` // 实际扣除费用
RateMultiplier float64 `gorm:"type:decimal(10,4);default:1;not null" json:"rate_multiplier"` // 计费倍率
// 元数据
BillingType int8 `gorm:"type:smallint;default:0;not null" json:"billing_type"` // 0=余额 1=订阅
Stream bool `gorm:"default:false;not null" json:"stream"`
DurationMs *int `json:"duration_ms"`
FirstTokenMs *int `json:"first_token_ms"` // 首字时间(流式请求)
CreatedAt time.Time `gorm:"index;not null" json:"created_at"`
// 关联
User *User `gorm:"foreignKey:UserID" json:"user,omitempty"`
ApiKey *ApiKey `gorm:"foreignKey:ApiKeyID" json:"api_key,omitempty"`
Account *Account `gorm:"foreignKey:AccountID" json:"account,omitempty"`
Group *Group `gorm:"foreignKey:GroupID" json:"group,omitempty"`
Subscription *UserSubscription `gorm:"foreignKey:SubscriptionID" json:"subscription,omitempty"`
}
func (UsageLog) TableName() string {
return "usage_logs"
}
// TotalTokens 总token数
func (u *UsageLog) TotalTokens() int {
return u.InputTokens + u.OutputTokens + u.CacheCreationTokens + u.CacheReadTokens
}