From 89304ff47ba03df876dc795cdb9fd17f5bca67f2 Mon Sep 17 00:00:00 2001 From: AlTech98 Date: Mon, 30 Aug 2021 21:12:13 +0200 Subject: Implemented voice apis #127 and #78 --- api/src/util/ipAddress.ts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'api/src/util/ipAddress.ts') diff --git a/api/src/util/ipAddress.ts b/api/src/util/ipAddress.ts index 0a724daa..c6239426 100644 --- a/api/src/util/ipAddress.ts +++ b/api/src/util/ipAddress.ts @@ -60,6 +60,7 @@ const exampleData = { status: 200 }; +//TODO add function that support both ip and domain names export async function IPAnalysis(ip: string): Promise { const { ipdataApiKey } = Config.get().security; if (!ipdataApiKey) return { ...exampleData, ip }; @@ -79,3 +80,19 @@ export function getIpAdress(req: Request): string { // @ts-ignore 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 c = Math.cos; + 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 -- cgit 1.5.1