Feat: Add localisation nouveau chantier sur la carte

hooks/useLocation.tsx

@@ -0,0 +1,50 @@
+import { useState } from 'react';
+import * as Location from 'expo-location';
+
+
+export const useLocation = () => {
+  const [errorMsg, setErrorMsg] = useState<string | null>(null);
+  const [latitude, setLatitude] = useState<number | null>(null);
+  const [longitude, setLongitude] = useState<number | null>(null);
+  const [loading, setLoading] = useState(false);
+
+
+  const geocodeAddress = async (address: string) => {
+    try {
+      setLoading(true);
+      setErrorMsg(null);
+
+      const { status } = await Location.requestForegroundPermissionsAsync();
+
+      if (status !== 'granted') {
+        throw new Error('Permission localisation refusée');
+      }
+      const result = await Location.geocodeAsync(address);
+
+      if (!result || result.length === 0) {
+        throw new Error("Adresse introuvable");
+      }
+
+      const { latitude, longitude } = result[0];
+
+      setLatitude(latitude);
+      setLongitude(longitude);
+
+      return { latitude, longitude };
+    } catch (error: any) {
+      console.error(error);
+      setErrorMsg("Impossible de localiser cette adresse");
+      return null;
+    } finally {
+      setLoading(false);
+    }
+  };
+
+  return {
+    latitude,
+    longitude,
+    errorMsg,
+    loading,
+    geocodeAddress,
+  };
+};