Normalise floats (don't use Inf in JSON)

app/v1/user.go

@@ -3,6 +3,7 @@ package v1
 
 import (
 	"database/sql"
+	"math"
 	"strconv"
 	"strings"
 	"time"
@@ -129,6 +130,17 @@ type modeData struct {
 	PP                    int     `json:"pp"`
 	GlobalLeaderboardRank int     `json:"global_leaderboard_rank"`
 }
+
+func (m modeData) Normalise() modeData {
+	if math.IsInf(m.Level, 0) {
+		m.Level = 0
+	}
+	if math.IsInf(m.Accuracy, 0) {
+		m.Accuracy = 0
+	}
+	return m
+}
+
 type userFullResponse struct {
 	common.ResponseBase
 	userData