db73cf5a39
Includes the current working directory changes. Historical commits and release binaries are excluded to limit Gitea storage. Source base: d7515973fbfd6dd2001fa156c483455b8081c7cb
58 lines
2.0 KiB
Go
58 lines
2.0 KiB
Go
package historymetrics
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import (
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"encoding/json"
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"errors"
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"fmt"
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"os"
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)
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type usageFileDocument struct {
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Totals struct {
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ProviderCalls int64 `json:"provider_calls"`
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TurnsTotal int64 `json:"turns_total"`
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ValidTurnsTotal int64 `json:"valid_turns_total"`
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InvalidTurnsTotal int64 `json:"invalid_turns_total"`
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InputTokens int64 `json:"input_tokens"`
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OutputTokens int64 `json:"output_tokens"`
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CacheReadTokens int64 `json:"cache_read_tokens"`
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CacheWriteTokens int64 `json:"cache_write_tokens"`
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TotalTokens int64 `json:"total_tokens"`
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} `json:"totals"`
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}
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func LoadUsageSummary(path string, includeCacheWriteInHitRate bool) (Summary, error) {
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body, err := os.ReadFile(path)
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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return Summary{}, nil
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}
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return Summary{}, fmt.Errorf("read usage file: %w", err)
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}
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var doc usageFileDocument
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if err := json.Unmarshal(body, &doc); err != nil {
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return Summary{}, fmt.Errorf("decode usage file: %w", err)
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}
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totals := Totals{
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InputTokens: doc.Totals.InputTokens,
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OutputTokens: doc.Totals.OutputTokens,
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CacheReadTokens: doc.Totals.CacheReadTokens,
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CacheWriteTokens: doc.Totals.CacheWriteTokens,
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PromptTokensTotal: doc.Totals.InputTokens + doc.Totals.CacheReadTokens + doc.Totals.CacheWriteTokens,
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RequestTokensTotal: doc.Totals.TotalTokens,
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}
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// 命中率口径统一由后端按用户配置计算，前端只消费该结果，避免两套口径漂移。
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totals.IncludeCacheWriteInHitRate = includeCacheWriteInHitRate
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return Summary{
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ProviderCallsTotal: int(doc.Totals.ProviderCalls),
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TurnsTotal: int(doc.Totals.TurnsTotal),
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ValidTurnsTotal: int(doc.Totals.ValidTurnsTotal),
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InvalidTurnsTotal: int(doc.Totals.InvalidTurnsTotal),
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RequestTokensTotal: totals.RequestTokensTotal,
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PromptTokensTotal: totals.PromptTokensTotal,
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CacheReadTokens: totals.CacheReadTokens,
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CacheWriteTokens: totals.CacheWriteTokens,
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CacheHitRate: cacheHitRateFromTotals(totals),
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}, nil
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}
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