Usage: Round messages to 1K, files to 100MB (#20603)

utils/utils.go

@@ -229,3 +229,35 @@ func RoundOffToZeroes(n float64) int64 {
 	firstDigit := int64(n) / tens
 	return firstDigit * tens
 }
+
+func min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+func max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}
+
+// RoundOffToZeroesResolution truncates off at most minResolution zero places.
+// It implicitly sets the lowest minResolution to 0.
+// e.g. 0 reports 1s, 1 reports 10s, 2 reports 100s, 3 reports 1000s
+func RoundOffToZeroesResolution(n float64, minResolution int) int64 {
+	resolution := max(0, minResolution)
+	if n >= -9 && n <= 9 {
+		if resolution == 0 {
+			return int64(n)
+		}
+		return 0
+	}
+
+	zeroes := int(math.Log10(math.Abs(n)))
+	resolution = min(zeroes, resolution)
+	tens := int64(math.Pow10(resolution))
+	significantDigits := int64(n) / tens
+	return significantDigits * tens
+}