feat: gateway store.

controllers/statistics.go

@@ -121,6 +121,7 @@ type regionStatisticsItem struct {
 	TotalOutputSizeBytes  int64            `json:"totalOutputSizeBytes"`
 	TotalDurationMs       int64            `json:"totalDurationMs"`
 	AvgDurationMs         float64          `json:"avgDurationMs"`
+	AvgTotalCost          float64          `json:"avgTotalCost"`
 	TotalOriginalFileSize int64            `json:"totalOriginalFileSize"`
 	TotalCompressedSize   int64            `json:"totalCompressedSize"`
 	TotalCost             float64          `json:"totalCost"`
@@ -272,6 +273,10 @@ func (sc *StatisticsController) StatisticsByRegion(c *gin.Context) {
 		if r.Count > 0 {
 			avgDuration = float64(r.TotalDurationMs) / float64(r.Count)
 		}
+		avgTotalCost := float64(0)
+		if r.Count > 0 {
+			avgTotalCost = r.TotalCost / float64(r.Count)
+		}
 		kgName := ""
 		if regionID > 0 {
 			kgName = kindergartenMap[regionID]
@@ -297,6 +302,7 @@ func (sc *StatisticsController) StatisticsByRegion(c *gin.Context) {
 			TotalOutputSizeBytes:  r.TotalOutputSizeBytes,
 			TotalDurationMs:       r.TotalDurationMs,
 			AvgDurationMs:         avgDuration,
+			AvgTotalCost:          avgTotalCost,
 			TotalOriginalFileSize: r.TotalOriginalFileSize,
 			TotalCompressedSize:   r.TotalCompressedSize,
 			TotalCost:             r.TotalCost,
@@ -343,6 +349,7 @@ func (sc *StatisticsController) StatisticsByRegion(c *gin.Context) {
 
 	if overall.Count > 0 {
 		overall.AvgDurationMs = float64(overall.TotalDurationMs) / float64(overall.Count)
+		overall.AvgTotalCost = overall.TotalCost / float64(overall.Count)
 	}
 
 	writeSuccess(c, http.StatusOK, "query success", gin.H{