90 lines
2.5 KiB
TypeScript
90 lines
2.5 KiB
TypeScript
import { useState, useEffect, useCallback } from 'react';
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import { Platform, PermissionsAndroid, Alert } from 'react-native';
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import Geolocation from '@react-native-community/geolocation';
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interface UserLocation {
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latitude: number;
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longitude: number;
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}
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interface UseUserLocationResult {
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location: UserLocation | null;
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loading: boolean;
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error: string | null;
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refresh: () => void;
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}
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/**
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* Hook to get and manage the user's current GPS location.
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* Handles permissions for both Android and iOS.
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*/
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export const useUserLocation = (): UseUserLocationResult => {
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const [location, setLocation] = useState<UserLocation | null>(null);
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const [loading, setLoading] = useState(true);
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const [error, setError] = useState<string | null>(null);
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const requestPermission = useCallback(async (): Promise<boolean> => {
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if (Platform.OS === 'ios') {
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// iOS permission is handled via Info.plist; Geolocation auto-prompts
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return true;
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}
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try {
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const granted = await PermissionsAndroid.request(
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PermissionsAndroid.PERMISSIONS.ACCESS_FINE_LOCATION,
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{
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title: 'Location Permission',
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message: 'BankCBS needs access to your location to find nearby branches.',
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buttonPositive: 'Allow',
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buttonNegative: 'Deny',
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},
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);
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return granted === PermissionsAndroid.RESULTS.GRANTED;
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} catch {
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return false;
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}
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}, []);
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const fetchLocation = useCallback(async () => {
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setLoading(true);
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setError(null);
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const hasPermission = await requestPermission();
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if (!hasPermission) {
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setError('Location permission denied');
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setLoading(false);
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// Fallback to a default location (Bengaluru) for demo purposes
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setLocation({ latitude: 12.9716, longitude: 77.5946 });
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return;
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}
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Geolocation.getCurrentPosition(
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(position) => {
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setLocation({
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latitude: position.coords.latitude,
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longitude: position.coords.longitude,
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});
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setLoading(false);
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},
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(err) => {
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setError(err.message);
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setLoading(false);
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// Fallback to a default location for demo purposes
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setLocation({ latitude: 12.9716, longitude: 77.5946 });
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},
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{
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enableHighAccuracy: true,
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timeout: 15000,
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maximumAge: 60000,
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},
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);
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}, [requestPermission]);
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useEffect(() => {
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fetchLocation();
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}, [fetchLocation]);
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return { location, loading, error, refresh: fetchLocation };
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};
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