李建琦
6d655c9903
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65 lines
2.2 KiB
Go
65 lines
2.2 KiB
Go
package admin
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import (
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"context"
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"time"
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"github.com/Wei-Shaw/sub2api/internal/pkg/usagestats"
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)
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// 与 dashboard 查询缓存同款:30s TTL 进程内缓存,仅服务 /admin/usage/stats 读路径。
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var usageStatsCache = newSnapshotCache(30 * time.Second)
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type usageStatsCacheKeyData struct {
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StartTime string `json:"start_time"`
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EndTime string `json:"end_time"`
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UserID int64 `json:"user_id"`
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APIKeyID int64 `json:"api_key_id"`
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AccountID int64 `json:"account_id"`
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GroupID int64 `json:"group_id"`
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Model string `json:"model"`
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BillingMode string `json:"billing_mode"`
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RequestType *int16 `json:"request_type"`
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Stream *bool `json:"stream"`
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BillingType *int8 `json:"billing_type"`
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UpstreamModelMismatch *bool `json:"upstream_model_mismatch"`
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}
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func usageStatsCacheKey(filters usagestats.UsageLogFilters) string {
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start := ""
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if filters.StartTime != nil {
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start = filters.StartTime.UTC().Format(time.RFC3339)
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}
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end := ""
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if filters.EndTime != nil {
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end = filters.EndTime.UTC().Format(time.RFC3339)
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}
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return mustMarshalDashboardCacheKey(usageStatsCacheKeyData{
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StartTime: start,
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EndTime: end,
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UserID: filters.UserID,
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APIKeyID: filters.APIKeyID,
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AccountID: filters.AccountID,
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GroupID: filters.GroupID,
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Model: filters.Model,
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BillingMode: filters.BillingMode,
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RequestType: filters.RequestType,
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Stream: filters.Stream,
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BillingType: filters.BillingType,
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UpstreamModelMismatch: filters.UpstreamModelMismatch,
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})
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}
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// getStatsCached 命中则返回缓存,未命中则回源 usageService 并写缓存。
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func (h *UsageHandler) getStatsCached(ctx context.Context, filters usagestats.UsageLogFilters) (*usagestats.UsageStats, bool, error) {
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key := usageStatsCacheKey(filters)
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entry, hit, err := usageStatsCache.GetOrLoad(key, func() (any, error) {
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return h.usageService.GetStatsWithFilters(ctx, filters)
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})
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if err != nil {
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return nil, hit, err
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}
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stats, err := snapshotPayloadAs[*usagestats.UsageStats](entry.Payload)
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return stats, hit, err
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}
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