hobokenchicken
2fa6f0df62
- analytics.go: UsagePeriodFilter, UsageSummary, TimeSeries, ProvidersUsage, ClientsUsage, AnalyticsBreakdown, DetailedUsage - models_config.go: handleGetModels, handleUpdateModel - Fix all import blocks with missing closing parens - Remove leftover fmt.Printf warnings in server.go
384 lines
9.7 KiB
Go
384 lines
9.7 KiB
Go
package server
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import (
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"database/sql"
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"fmt"
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"net/http"
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"os"
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"strings"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/google/uuid"
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"golang.org/x/crypto/bcrypt"
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"gophergate/internal/db"
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"gophergate/internal/models"
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"gophergate/internal/utils"
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"log/slog"
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"github.com/shirou/gopsutil/v3/cpu"
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)
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type UsagePeriodFilter struct {
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Period string `form:"period"`
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From string `form:"from"`
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To string `form:"to"`
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}
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func (f *UsagePeriodFilter) ToSQL() (string, []interface{}) {
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period := f.Period
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if period == "" {
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period = "all"
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}
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if period == "custom" {
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var clauses []string
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var binds []interface{}
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if f.From != "" {
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clauses = append(clauses, "timestamp >= ?")
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binds = append(binds, f.From)
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}
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if f.To != "" {
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clauses = append(clauses, "timestamp <= ?")
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binds = append(binds, f.To)
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}
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if len(clauses) > 0 {
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return " AND " + strings.Join(clauses, " AND "), binds
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}
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return "", nil
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}
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now := time.Now().UTC()
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var cutoff time.Time
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switch period {
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case "today":
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cutoff = time.Date(now.Year(), now.Month(), now.Day(), 0, 0, 0, 0, time.UTC)
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case "24h":
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cutoff = now.Add(-24 * time.Hour)
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case "7d":
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cutoff = now.Add(-7 * 24 * time.Hour)
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case "30d":
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cutoff = now.Add(-30 * 24 * time.Hour)
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default:
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return "", nil
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}
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return " AND timestamp >= ?", []interface{}{cutoff.Format(time.RFC3339)}
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}
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func (s *Server) handleUsageSummary(c *gin.Context) {
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var filter UsagePeriodFilter
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if err := c.ShouldBindQuery(&filter); err != nil {
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// ignore
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}
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clause, binds := filter.ToSQL()
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// Total stats
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var totalStats struct {
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TotalRequests int `db:"total_requests"`
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TotalTokens int `db:"total_tokens"`
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CacheReadTokens int `db:"total_cache_read_tokens"`
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CacheWriteTokens int `db:"total_cache_write_tokens"`
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TotalCost float64 `db:"total_cost"`
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ActiveClients int `db:"active_clients"`
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}
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err := s.database.Get(&totalStats, fmt.Sprintf(`
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SELECT
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COUNT(*) as total_requests,
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COALESCE(SUM(total_tokens), 0) as total_tokens,
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COALESCE(SUM(cache_read_tokens), 0) as total_cache_read_tokens,
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COALESCE(SUM(cache_write_tokens), 0) as total_cache_write_tokens,
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COALESCE(SUM(cost), 0.0) as total_cost,
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COUNT(DISTINCT client_id) as active_clients
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FROM llm_requests
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WHERE 1=1 %s
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`, clause), binds...)
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if err != nil {
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c.JSON(http.StatusInternalServerError, ErrorResponse(err.Error()))
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return
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}
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// Today stats
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var todayStats struct {
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TodayRequests int `db:"today_requests"`
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TodayCost float64 `db:"today_cost"`
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}
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today := time.Now().UTC().Format("2006-01-02")
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err = s.database.Get(&todayStats, `
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SELECT
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COUNT(*) as today_requests,
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COALESCE(SUM(cost), 0.0) as today_cost
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FROM llm_requests
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WHERE timestamp LIKE ?
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`, today+"%")
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if err != nil {
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todayStats.TodayRequests = 0
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todayStats.TodayCost = 0.0
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}
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// Error rate & Avg response time
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var miscStats struct {
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ErrorRate float64 `db:"error_rate"`
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AvgResponseTime float64 `db:"avg_response_time"`
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}
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err = s.database.Get(&miscStats, `
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SELECT
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CASE WHEN COUNT(*) = 0 THEN 0.0 ELSE (CAST(SUM(CASE WHEN status = 'error' THEN 1 ELSE 0 END) AS FLOAT) / COUNT(*)) * 100.0 END as error_rate,
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COALESCE(AVG(duration_ms), 0.0) as avg_response_time
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FROM llm_requests
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`)
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if err != nil {
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miscStats.ErrorRate = 0.0
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miscStats.AvgResponseTime = 0.0
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}
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c.JSON(http.StatusOK, SuccessResponse(gin.H{
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"total_requests": totalStats.TotalRequests,
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"total_tokens": totalStats.TotalTokens,
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"total_cache_read_tokens": totalStats.CacheReadTokens,
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"total_cache_write_tokens": totalStats.CacheWriteTokens,
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"total_cost": totalStats.TotalCost,
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"active_clients": totalStats.ActiveClients,
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"today_requests": todayStats.TodayRequests,
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"today_cost": todayStats.TodayCost,
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"error_rate": miscStats.ErrorRate,
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"avg_response_time": miscStats.AvgResponseTime,
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}))
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}
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func (s *Server) handleTimeSeries(c *gin.Context) {
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var filter UsagePeriodFilter
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if err := c.ShouldBindQuery(&filter); err != nil {
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// ignore
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}
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clause, binds := filter.ToSQL()
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if clause == "" {
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cutoff := time.Now().UTC().Add(-30 * 24 * time.Hour)
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clause = " AND timestamp >= ?"
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binds = []interface{}{cutoff.Format(time.RFC3339)}
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}
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query := fmt.Sprintf(`
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SELECT
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COALESCE(SUBSTR(timestamp, 1, 10), 'unknown') as bucket,
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COUNT(*) as requests,
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COALESCE(SUM(total_tokens), 0) as tokens,
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COALESCE(SUM(cost), 0.0) as cost
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FROM llm_requests
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WHERE 1=1 %s
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GROUP BY bucket
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ORDER BY bucket
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`, clause)
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rows, err := s.database.Queryx(query, binds...)
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if err != nil {
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c.JSON(http.StatusInternalServerError, ErrorResponse(err.Error()))
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return
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}
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defer rows.Close()
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var series []gin.H
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for rows.Next() {
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var bucket string
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var requests int
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var tokens int
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var cost float64
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if err := rows.Scan(&bucket, &requests, &tokens, &cost); err != nil {
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continue
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}
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series = append(series, gin.H{
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"time": bucket,
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"requests": requests,
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"tokens": tokens,
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"cost": cost,
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})
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}
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granularity := "day"
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c.JSON(http.StatusOK, SuccessResponse(gin.H{
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"series": series,
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"granularity": granularity,
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}))
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}
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func (s *Server) handleProvidersUsage(c *gin.Context) {
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var filter UsagePeriodFilter
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if err := c.ShouldBindQuery(&filter); err != nil {
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// ignore
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}
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clause, binds := filter.ToSQL()
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rows, err := s.database.Queryx(fmt.Sprintf(`
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SELECT
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COALESCE(provider, 'unknown') as provider,
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COUNT(*) as requests,
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COALESCE(SUM(cost), 0.0) as cost
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FROM llm_requests
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WHERE 1=1 %s
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GROUP BY provider
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`, clause), binds...)
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if err != nil {
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c.JSON(http.StatusOK, SuccessResponse([]interface{}{}))
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return
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}
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defer rows.Close()
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var results []gin.H
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for rows.Next() {
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var provider string
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var requests int
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var cost float64
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if err := rows.Scan(&provider, &requests, &cost); err == nil {
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results = append(results, gin.H{"provider": provider, "requests": requests, "cost": cost})
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}
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}
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c.JSON(http.StatusOK, SuccessResponse(results))
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}
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func (s *Server) handleClientsUsage(c *gin.Context) {
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var filter UsagePeriodFilter
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if err := c.ShouldBindQuery(&filter); err != nil {
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// ignore
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}
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clause, binds := filter.ToSQL()
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rows, err := s.database.Queryx(fmt.Sprintf(`
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SELECT COALESCE(client_id, 'unknown') as client_id, COUNT(*) as requests
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FROM llm_requests
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WHERE 1=1 %s
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GROUP BY client_id
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`, clause), binds...)
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if err != nil {
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c.JSON(http.StatusOK, SuccessResponse([]interface{}{}))
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return
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}
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defer rows.Close()
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var results []gin.H
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for rows.Next() {
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var clientID string
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var requests int
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if err := rows.Scan(&clientID, &requests); err == nil {
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results = append(results, gin.H{"client_id": clientID, "requests": requests})
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}
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}
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c.JSON(http.StatusOK, SuccessResponse(results))
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}
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func (s *Server) handleAnalyticsBreakdown(c *gin.Context) {
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var filter UsagePeriodFilter
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if err := c.ShouldBindQuery(&filter); err != nil {
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// ignore
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}
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clause, binds := filter.ToSQL()
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// Models breakdown
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var models []struct {
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Label string `json:"label"`
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Value int `json:"value"`
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}
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mRows, err := s.database.Queryx(fmt.Sprintf("SELECT COALESCE(model, 'unknown') as label, COUNT(*) as value FROM llm_requests WHERE 1=1 %s GROUP BY model ORDER BY value DESC", clause), binds...)
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if err == nil {
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for mRows.Next() {
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var label string
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var value int
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if err := mRows.Scan(&label, &value); err == nil {
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models = append(models, struct {
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Label string `json:"label"`
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Value int `json:"value"`
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}{label, value})
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}
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}
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mRows.Close()
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}
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// Clients breakdown
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var clients []struct {
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Label string `json:"label"`
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Value int `json:"value"`
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}
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cRows, err := s.database.Queryx(fmt.Sprintf("SELECT COALESCE(client_id, 'unknown') as label, COUNT(*) as value FROM llm_requests WHERE 1=1 %s GROUP BY client_id ORDER BY value DESC", clause), binds...)
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if err == nil {
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for cRows.Next() {
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var label string
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var value int
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if err := cRows.Scan(&label, &value); err == nil {
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clients = append(clients, struct {
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Label string `json:"label"`
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Value int `json:"value"`
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}{label, value})
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}
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}
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cRows.Close()
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}
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c.JSON(http.StatusOK, SuccessResponse(gin.H{
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"models": models,
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"clients": clients,
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}))
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}
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func (s *Server) handleDetailedUsage(c *gin.Context) {
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var filter UsagePeriodFilter
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if err := c.ShouldBindQuery(&filter); err != nil {
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// ignore
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}
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clause, binds := filter.ToSQL()
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query := fmt.Sprintf(`
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SELECT
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COALESCE(SUBSTR(timestamp, 1, 10), 'unknown') as date,
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COALESCE(client_id, 'unknown') as client,
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COALESCE(provider, 'unknown') as provider,
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COALESCE(model, 'unknown') as model,
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COUNT(*) as requests,
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COALESCE(SUM(total_tokens), 0) as tokens,
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COALESCE(SUM(cache_read_tokens), 0) as cache_read_tokens,
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COALESCE(SUM(cache_write_tokens), 0) as cache_write_tokens,
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COALESCE(SUM(cost), 0.0) as cost
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FROM llm_requests
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WHERE 1=1 %s
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GROUP BY date, client, provider, model
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ORDER BY date DESC, cost DESC
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`, clause)
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rows, err := s.database.Queryx(query, binds...)
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if err != nil {
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c.JSON(http.StatusOK, SuccessResponse([]interface{}{}))
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return
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}
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defer rows.Close()
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var results []gin.H
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for rows.Next() {
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var date, client, provider, model string
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var requests, tokens, cacheRead, cacheWrite int
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var cost float64
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if err := rows.Scan(&date, &client, &provider, &model, &requests, &tokens, &cacheRead, &cacheWrite, &cost); err == nil {
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results = append(results, gin.H{
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"date": date,
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"client": client,
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"provider": provider,
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"model": model,
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"requests": requests,
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"tokens": tokens,
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"cache_read_tokens": cacheRead,
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"cache_write_tokens": cacheWrite,
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"cost": cost,
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})
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}
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}
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c.JSON(http.StatusOK, SuccessResponse(results))
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}
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