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import iLocationData from "@/interfaces/iLocationData";
import { LocationAccessError } from "@/utils/ErrorTypes";
import { useState, useEffect } from 'react';
import { isEnabled } from "react-native/Libraries/Performance/Systrace";
/**
* Data about the user's location.
*/
class LocationResponse {
/** The [Latitude, Longitude of the device */
location?:[number, number] | null;
/** If an error occurs it is stored here */
error?: string | null;
/** If the location is in the process of loading it is true, otherwise false */
loading?: boolean;
/** true if location access is enabled, false otherwise */
isEnabled?: boolean;
}
/**
* A hook that gets the location of the user.
* @param locationService The service used to manage location.
* @returns Data about the current status of the location.
*/
export default function useLocation(locationService: iLocationData): LocationResponse {
const [location, setLocation] = useState<[number, number] | null>(null);
const [error, setError] = useState<string | null>(null);
const [loading, setLoading] = useState<boolean>(false);
const [isEnabled, setIsEnabled] = useState<boolean>(false);
useEffect(() => {
const fetchLocation = async () => {
setLoading(true);
setError(null);
let enabled = await locationService.isEnabled();
if (enabled || (await locationService.requestPermission())) {
/* if location permision is granted */
enabled = true;
try {
const loc = await locationService.getLocation();
setLocation(loc);
}
catch (err) {
if (err instanceof LocationAccessError) {
setError(err.message);
}
else Eif (err instanceof Error) {
setError(`uncaught error: ${err.message}`);
}
else {
setError(`unexpected error: ${err}`);
}
}
}
else {
setError("location access disabled");
}
setIsEnabled(enabled);
setLoading(false);
};
fetchLocation();
}, []);
let response = {
location: location,
error: error,
loading: loading,
isEnabled: isEnabled
}
return response;
} |