From 3f500cd0190ef775f7cf2e96afb63ec5fc731898 Mon Sep 17 00:00:00 2001
From: Noah Petherbridge <root@kirsle.net>
Date: Sun, 20 Aug 2023 10:25:13 -0700
Subject: [PATCH] Truncate location precision on RefreshGeoIP()

---
 pkg/models/user_location.go | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkg/models/user_location.go b/pkg/models/user_location.go
index b6da197..cc6835b 100644
--- a/pkg/models/user_location.go
+++ b/pkg/models/user_location.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"math"
 	"net/http"
+	"strconv"
 
 	"code.nonshy.com/nonshy/website/pkg/geoip"
 	"code.nonshy.com/nonshy/website/pkg/log"
@@ -51,8 +52,8 @@ func RefreshGeoIP(userID uint64, r *http.Request) (*UserLocation, error) {
 	loc := GetUserLocation(userID)
 	if loc.Source == LocationSourceGeoIP {
 		if insights, err := geoip.GetRequestInsights(r); err == nil {
-			loc.Latitude = insights.Latitude
-			loc.Longitude = insights.Longitude
+			loc.Latitude = truncate(insights.Latitude)
+			loc.Longitude = truncate(insights.Longitude)
 			return loc, loc.Save()
 		} else {
 			return loc, fmt.Errorf("didn't get insights: %s", err)
@@ -61,6 +62,12 @@ func RefreshGeoIP(userID uint64, r *http.Request) (*UserLocation, error) {
 	return loc, nil
 }
 
+func truncate(f float64) float64 {
+	s := strconv.FormatFloat(f, 'f', 2, 64)
+	f, _ = strconv.ParseFloat(s, 64)
+	return f
+}
+
 // MapDistances computes human readable distances between you and the set of users.
 func MapDistances(currentUser *User, others []*User) DistanceMap {
 	// Get all the distances we can.