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feat(仪表盘): 引入预聚合统计与聚合作业

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This commit is contained in:
yangjianbo
2026-01-11 16:01:35 +08:00
parent ab5839b461
commit 1a869547d7
19 changed files with 1366 additions and 62 deletions
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59
backend/internal/repository/usage_log_repo.go
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@@ -270,15 +270,14 @@ type DashboardStats = usagestats.DashboardStats
func (r *usageLogRepository) GetDashboardStats(ctx context.Context) (*DashboardStats, error) {
var stats DashboardStats
today := timezone.Today()
now := time.Now()
todayUTC := truncateToDayUTC(now)
// 合并用户统计查询
userStatsQuery := `
SELECT
COUNT(*) as total_users,
COUNT(CASE WHEN created_at >= $1 THEN 1 END) as today_new_users,
(SELECT COUNT(DISTINCT user_id) FROM usage_logs WHERE created_at >= $2) as active_users
COUNT(CASE WHEN created_at >= $1 THEN 1 END) as today_new_users
FROM users
WHERE deleted_at IS NULL
`
@@ -286,10 +285,9 @@ func (r *usageLogRepository) GetDashboardStats(ctx context.Context) (*DashboardS
ctx,
r.sql,
userStatsQuery,
[]any{today, today},
[]any{todayUTC},
&stats.TotalUsers,
&stats.TodayNewUsers,
&stats.ActiveUsers,
); err != nil {
return nil, err
}
@@ -341,16 +339,17 @@ func (r *usageLogRepository) GetDashboardStats(ctx context.Context) (*DashboardS
// 累计 Token 统计
totalStatsQuery := `
SELECT
COUNT(*) as total_requests,
COALESCE(SUM(total_requests), 0) as total_requests,
COALESCE(SUM(input_tokens), 0) as total_input_tokens,
COALESCE(SUM(output_tokens), 0) as total_output_tokens,
COALESCE(SUM(cache_creation_tokens), 0) as total_cache_creation_tokens,
COALESCE(SUM(cache_read_tokens), 0) as total_cache_read_tokens,
COALESCE(SUM(total_cost), 0) as total_cost,
COALESCE(SUM(actual_cost), 0) as total_actual_cost,
COALESCE(AVG(duration_ms), 0) as avg_duration_ms
FROM usage_logs
COALESCE(SUM(total_duration_ms), 0) as total_duration_ms
FROM usage_dashboard_daily
`
var totalDurationMs int64
if err := scanSingleRow(
ctx,
r.sql,
@@ -363,30 +362,34 @@ func (r *usageLogRepository) GetDashboardStats(ctx context.Context) (*DashboardS
&stats.TotalCacheReadTokens,
&stats.TotalCost,
&stats.TotalActualCost,
&stats.AverageDurationMs,
&totalDurationMs,
); err != nil {
return nil, err
}
stats.TotalTokens = stats.TotalInputTokens + stats.TotalOutputTokens + stats.TotalCacheCreationTokens + stats.TotalCacheReadTokens
if stats.TotalRequests > 0 {
stats.AverageDurationMs = float64(totalDurationMs) / float64(stats.TotalRequests)
}
// 今日 Token 统计
todayStatsQuery := `
SELECT
COUNT(*) as today_requests,
COALESCE(SUM(input_tokens), 0) as today_input_tokens,
COALESCE(SUM(output_tokens), 0) as today_output_tokens,
COALESCE(SUM(cache_creation_tokens), 0) as today_cache_creation_tokens,
COALESCE(SUM(cache_read_tokens), 0) as today_cache_read_tokens,
COALESCE(SUM(total_cost), 0) as today_cost,
COALESCE(SUM(actual_cost), 0) as today_actual_cost
FROM usage_logs
WHERE created_at >= $1
total_requests as today_requests,
input_tokens as today_input_tokens,
output_tokens as today_output_tokens,
cache_creation_tokens as today_cache_creation_tokens,
cache_read_tokens as today_cache_read_tokens,
total_cost as today_cost,
actual_cost as today_actual_cost,
active_users as active_users
FROM usage_dashboard_daily
WHERE bucket_date = $1::date
`
if err := scanSingleRow(
ctx,
r.sql,
todayStatsQuery,
[]any{today},
[]any{todayUTC},
&stats.TodayRequests,
&stats.TodayInputTokens,
&stats.TodayOutputTokens,
@@ -394,11 +397,27 @@ func (r *usageLogRepository) GetDashboardStats(ctx context.Context) (*DashboardS
&stats.TodayCacheReadTokens,
&stats.TodayCost,
&stats.TodayActualCost,
&stats.ActiveUsers,
); err != nil {
return nil, err
if err != sql.ErrNoRows {
return nil, err
}
}
stats.TodayTokens = stats.TodayInputTokens + stats.TodayOutputTokens + stats.TodayCacheCreationTokens + stats.TodayCacheReadTokens
// 当前小时活跃用户
hourlyActiveQuery := `
SELECT active_users
FROM usage_dashboard_hourly
WHERE bucket_start = $1
`
hourStart := now.UTC().Truncate(time.Hour)
if err := scanSingleRow(ctx, r.sql, hourlyActiveQuery, []any{hourStart}, &stats.HourlyActiveUsers); err != nil {
if err != sql.ErrNoRows {
return nil, err
}
}
// 性能指标：RPM 和 TPM（最近1分钟，全局）
rpm, tpm, err := r.getPerformanceStats(ctx, 0)
if err != nil {