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fix: resolve #56 - 支持 Quota #334
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,177 @@ | ||
| package quota | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
| "time" | ||
|
|
||
| "github.com/awsl-project/maxx/internal/domain" | ||
| "github.com/awsl-project/maxx/internal/repository" | ||
| ) | ||
|
|
||
| const defaultWarningThreshold = 80 | ||
|
|
||
| type UsageSummaryProvider interface { | ||
| GetSummary(tenantID uint64, filter repository.UsageStatsFilter) (*domain.UsageStatsSummary, error) | ||
| } | ||
|
|
||
| type TimezoneSettingProvider interface { | ||
| Get(key string) (string, error) | ||
| } | ||
|
|
||
| // EvaluateProviderQuota evaluates provider-level quota usage for the current period. | ||
| func EvaluateProviderQuota( | ||
| provider *domain.Provider, | ||
| tenantID uint64, | ||
| usageRepo UsageSummaryProvider, | ||
| settingRepo TimezoneSettingProvider, | ||
| now time.Time, | ||
| ) (*domain.ProviderQuotaStatus, error) { | ||
| if provider == nil || provider.Config == nil || provider.Config.Quota == nil { | ||
| return nil, nil | ||
| } | ||
|
|
||
| cfg := provider.Config.Quota | ||
| period := normalizePeriod(cfg.Period) | ||
| warningThreshold := normalizeWarningThreshold(cfg.WarningThresholdPercent) | ||
| hasAnyLimit := cfg.RequestLimit > 0 || cfg.TokenLimit > 0 || cfg.CostLimit > 0 | ||
|
|
||
| loc, timezoneName := resolveLocation(settingRepo) | ||
| periodStart, periodEnd := periodBounds(now, period, loc) | ||
|
|
||
| status := &domain.ProviderQuotaStatus{ | ||
| Enabled: cfg.Enabled, | ||
| Period: period, | ||
| Timezone: timezoneName, | ||
| WarningThresholdPercent: warningThreshold, | ||
| PeriodStart: periodStart.UTC(), | ||
| PeriodEnd: periodEnd.UTC(), | ||
| HasAnyLimit: hasAnyLimit, | ||
| } | ||
|
|
||
| if !cfg.Enabled || !hasAnyLimit || usageRepo == nil { | ||
| return status, nil | ||
| } | ||
|
|
||
| providerID := provider.ID | ||
| filter := repository.UsageStatsFilter{ | ||
| Granularity: domain.GranularityMinute, | ||
| StartTime: ptrTime(periodStart.UTC()), | ||
| EndTime: ptrTime(periodEnd.UTC()), | ||
| ProviderID: &providerID, | ||
| } | ||
|
|
||
| summary, err := usageRepo.GetSummary(tenantID, filter) | ||
| if err != nil { | ||
| return status, fmt.Errorf("get provider quota summary: %w", err) | ||
| } | ||
| if summary == nil { | ||
| summary = &domain.UsageStatsSummary{} | ||
| } | ||
|
|
||
| usedTokens := summary.TotalInputTokens + summary.TotalOutputTokens | ||
| status.Requests = buildMetric(cfg.RequestLimit, summary.TotalRequests, warningThreshold) | ||
| status.Tokens = buildMetric(cfg.TokenLimit, usedTokens, warningThreshold) | ||
| status.Cost = buildMetric(cfg.CostLimit, summary.TotalCost, warningThreshold) | ||
|
|
||
| if status.Requests != nil { | ||
| status.Warning = status.Warning || status.Requests.Warning | ||
| status.Exceeded = status.Exceeded || status.Requests.Exceeded | ||
| } | ||
| if status.Tokens != nil { | ||
| status.Warning = status.Warning || status.Tokens.Warning | ||
| status.Exceeded = status.Exceeded || status.Tokens.Exceeded | ||
| } | ||
| if status.Cost != nil { | ||
| status.Warning = status.Warning || status.Cost.Warning | ||
| status.Exceeded = status.Exceeded || status.Cost.Exceeded | ||
| } | ||
|
|
||
| return status, nil | ||
| } | ||
|
|
||
| func buildMetric(limit uint64, used uint64, warningThreshold int) *domain.ProviderQuotaMetricStatus { | ||
| if limit == 0 { | ||
| return nil | ||
| } | ||
|
|
||
| remaining := uint64(0) | ||
| if used < limit { | ||
| remaining = limit - used | ||
| } | ||
|
|
||
| usagePercent := float64(used) / float64(limit) * 100 | ||
| warning := usagePercent >= float64(warningThreshold) | ||
| exceeded := used >= limit | ||
|
|
||
| return &domain.ProviderQuotaMetricStatus{ | ||
| Limit: limit, | ||
| Used: used, | ||
| Remaining: remaining, | ||
| UsagePercent: usagePercent, | ||
| Warning: warning, | ||
| Exceeded: exceeded, | ||
| } | ||
| } | ||
|
|
||
| func normalizePeriod(period domain.ProviderQuotaPeriod) domain.ProviderQuotaPeriod { | ||
| switch period { | ||
| case domain.ProviderQuotaPeriodWeek, domain.ProviderQuotaPeriodMonth: | ||
| return period | ||
| default: | ||
| return domain.ProviderQuotaPeriodDay | ||
| } | ||
| } | ||
|
|
||
| func normalizeWarningThreshold(v int) int { | ||
| if v <= 0 || v > 100 { | ||
| return defaultWarningThreshold | ||
| } | ||
| return v | ||
| } | ||
|
|
||
| func resolveLocation(settingRepo TimezoneSettingProvider) (*time.Location, string) { | ||
| if settingRepo == nil { | ||
| return time.UTC, "UTC" | ||
| } | ||
|
|
||
| name, err := settingRepo.Get(domain.SettingKeyTimezone) | ||
| if err != nil { | ||
| return time.UTC, "UTC" | ||
| } | ||
| name = strings.TrimSpace(name) | ||
| if name == "" { | ||
| return time.UTC, "UTC" | ||
| } | ||
|
|
||
| loc, err := time.LoadLocation(name) | ||
| if err != nil { | ||
| return time.UTC, "UTC" | ||
| } | ||
| return loc, name | ||
| } | ||
|
|
||
| func periodBounds(now time.Time, period domain.ProviderQuotaPeriod, loc *time.Location) (time.Time, time.Time) { | ||
| localNow := now.In(loc) | ||
| year, month, day := localNow.Date() | ||
| startOfDay := time.Date(year, month, day, 0, 0, 0, 0, loc) | ||
|
|
||
| switch period { | ||
| case domain.ProviderQuotaPeriodWeek: | ||
| weekday := int(startOfDay.Weekday()) | ||
| if weekday == 0 { | ||
| weekday = 7 | ||
| } | ||
| start := startOfDay.AddDate(0, 0, -(weekday - 1)) | ||
| return start, start.AddDate(0, 0, 7) | ||
| case domain.ProviderQuotaPeriodMonth: | ||
| start := time.Date(year, month, 1, 0, 0, 0, 0, loc) | ||
| return start, start.AddDate(0, 1, 0) | ||
| default: | ||
| return startOfDay, startOfDay.AddDate(0, 0, 1) | ||
| } | ||
| } | ||
|
|
||
| func ptrTime(t time.Time) *time.Time { | ||
| return &t | ||
| } | ||
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默认时区回退成 UTC 会把配额周期算偏。
这里在设置缺失、读取失败或时区非法时一律回退到
UTC，但internal/domain/model.go对SettingKeyTimezone的注释已经声明默认值是Asia/Shanghai。这会让新实例或设置暂时不可读时的日/周/月窗口整体偏移，进而提前或延后判定 provider 超额，直接影响路由结果。建议这里复用系统默认时区，而不是硬编码成UTC。🤖 Prompt for AI Agents