diff options
Diffstat (limited to 'api/src/util/ipAddress.ts')
| -rw-r--r-- | api/src/util/ipAddress.ts | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/api/src/util/ipAddress.ts b/api/src/util/ipAddress.ts index c6239426..13cc9603 100644 --- a/api/src/util/ipAddress.ts +++ b/api/src/util/ipAddress.ts @@ -81,18 +81,15 @@ export function getIpAdress(req: Request): string { return req.headers[Config.get().security.forwadedFor] || req.socket.remoteAddress; } - export function distanceBetweenLocations(loc1: any, loc2: any): number { return distanceBetweenCoords(loc1.latitude, loc1.longitude, loc2.latitude, loc2.longitude); } //Haversine function function distanceBetweenCoords(lat1: number, lon1: number, lat2: number, lon2: number) { - const p = 0.017453292519943295; // Math.PI / 180 + const p = 0.017453292519943295; // Math.PI / 180 const c = Math.cos; - const a = 0.5 - c((lat2 - lat1) * p) / 2 + - c(lat1 * p) * c(lat2 * p) * - (1 - c((lon2 - lon1) * p)) / 2; + const a = 0.5 - c((lat2 - lat1) * p) / 2 + (c(lat1 * p) * c(lat2 * p) * (1 - c((lon2 - lon1) * p))) / 2; return 12742 * Math.asin(Math.sqrt(a)); // 2 * R; R = 6371 km -} \ No newline at end of file +} |