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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | 26x 21x 21x 21x 21x 58x 58x 29x 29x 11x 18x 18x 21x 20x 20x 10x 40x 160x 10x 7x 7x 7x 7x 4x 4x 3x 3x 4x 14x | import { getDistance, isPointWithinRadius } from "geolib";
import { BUILDINGS } from "../data/buildings";
import { Coordinate } from "../type";
export function calculateETA(duration: string) {
if (!duration || duration === "N/A") return "--:--";
const now = new Date();
let totalMinutes = 0;
const tokens = duration.toLowerCase().split(/\s+/);
for (let i = 0; i < tokens.length; i++) {
const val = Number.parseInt(tokens[i], 10);
if (!Number.isNaN(val)) {
const nextToken = tokens[i + 1] || "";
if (nextToken.includes("hour")) {
totalMinutes += val * 60;
} else Eif (nextToken.includes("min")) {
totalMinutes += val;
}
}
}
if (totalMinutes === 0) return "--:--";
now.setMinutes(now.getMinutes() + totalMinutes);
return now.toLocaleTimeString([], {
hour: "2-digit",
minute: "2-digit",
hour12: false,
});
}
//FUNCTIONS AND VARIABLES TO CHECK IF SHUTTLE IS A VIABLE MODE OF TRANSPORT
const DEFAULT_RADIUS = 1000;
const SGW_STOP = BUILDINGS.find((b) => b.id === "H")?.marker;
const LOYOLA_STOP = BUILDINGS.find((b) => b.id === "VE")?.marker;
const RADIUS = 3000;
export function checkAndGetViableShuttleDestination(
targetCoords: Coordinate,
origin: Coordinate,
) {
Iif (!LOYOLA_STOP || !SGW_STOP) return false;
const distFromLoyola = getDistance(LOYOLA_STOP, targetCoords);
const distFromSGW = getDistance(SGW_STOP, targetCoords);
let dest_shuttle: string;
if (distFromLoyola < distFromSGW) {
dest_shuttle = isWithinRadius(LOYOLA_STOP, targetCoords, DEFAULT_RADIUS)
? "LOYOLA"
: "";
if (isWithinRadius(LOYOLA_STOP, origin, RADIUS)) return false;
} else {
dest_shuttle = isWithinRadius(SGW_STOP, targetCoords, DEFAULT_RADIUS)
? "SGW"
: "";
if (isWithinRadius(SGW_STOP, origin, RADIUS)) return false;
}
return dest_shuttle;
}
function isWithinRadius(
shuttle_stop: Coordinate,
targetCoords: Coordinate,
radius: number,
) {
return isPointWithinRadius(
{
latitude: shuttle_stop.latitude,
longitude: shuttle_stop.longitude,
},
{ latitude: targetCoords.latitude, longitude: targetCoords.longitude },
radius,
);
}
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