feat: Standort hinzugefügt

app/(tabs)/index.tsx

@@ -1,5 +1,6 @@
 import AsyncStorage from "@react-native-async-storage/async-storage";
 import * as LocalAuthentication from "expo-local-authentication";
+import * as Location from "expo-location";
 import { useRouter } from "expo-router";
 import * as SQLite from "expo-sqlite";
 import React, { useEffect, useState } from "react";
@@ -22,6 +23,10 @@ interface User {
   email: string;
   firstName: string;
   lastName: string;
+  residence: string;
+  workplace: string;
+  latitude: string;
+  longitude: string;
   createdAt: string;
 }
 
@@ -37,6 +42,10 @@ export default function AuthScreen() {
   const [password, setPassword] = useState("");
   const [firstName, setFirstName] = useState("");
   const [lastName, setLastName] = useState("");
+  const [residence, setResidence] = useState("");
+  const [workplace, setWorkplace] = useState("");
+  const [latitude, setLatitude] = useState<string | null>(null);
+  const [longitude, setLongitude] = useState<string | null>(null);
   const [biometricSupported, setBiometricSupported] = useState(false);
   const [showCalendar, setShowCalendar] = useState(false);
 
@@ -61,6 +70,10 @@ export default function AuthScreen() {
           firstName TEXT NOT NULL,
           lastName TEXT NOT NULL,
           password TEXT NOT NULL,
+          residence TEXT,
+          workplace TEXT,
+          latitude TEXT,
+          longitude TEXT,
           createdAt TEXT NOT NULL
         )
       `);
@@ -85,7 +98,14 @@ export default function AuthScreen() {
   };
 
   const handleRegister = async () => {
-    if (!email || !password || !firstName || !lastName) {
+    if (
+      !email ||
+      !password ||
+      !firstName ||
+      !lastName ||
+      !residence ||
+      !workplace
+    ) {
       Alert.alert("Fehler", "Bitte füllen Sie alle Felder aus.");
       return;
     }
@@ -105,8 +125,18 @@ export default function AuthScreen() {
 
       const createdAt = new Date().toISOString();
       const result = await db.runAsync(
-        "INSERT INTO users (email, firstName, lastName, password, createdAt) VALUES (?, ?, ?, ?, ?)",
-        [email, firstName, lastName, password, createdAt]
+        "INSERT INTO users (email, firstName, lastName, password, residence, workplace, latitude, longitude, createdAt) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)",
+        [
+          email,
+          firstName,
+          lastName,
+          password,
+          residence,
+          workplace,
+          latitude ?? "",
+          longitude ?? "",
+          createdAt,
+        ]
       );
 
       const newUser: User = {
@@ -114,6 +144,10 @@ export default function AuthScreen() {
         email,
         firstName,
         lastName,
+        residence,
+        workplace,
+        latitude: latitude ?? "",
+        longitude: longitude ?? "",
         createdAt,
       };
 
@@ -162,6 +196,10 @@ export default function AuthScreen() {
           email: result.email,
           firstName: result.firstName,
           lastName: result.lastName,
+          residence: result.residence,
+          workplace: result.workplace,
+          latitude: result.latitude,
+          longitude: result.longitude,
           createdAt: result.createdAt,
         };
 
@@ -202,6 +240,10 @@ export default function AuthScreen() {
             email: user.email,
             firstName: user.firstName,
             lastName: user.lastName,
+            residence: user.residence,
+            workplace: user.workplace,
+            latitude: user.latitude,
+            longitude: user.longitude,
             createdAt: user.createdAt,
           };
 
@@ -227,11 +269,37 @@ export default function AuthScreen() {
       setPassword("");
       setFirstName("");
       setLastName("");
+      setResidence("");
+      setWorkplace("");
+      setLatitude(null);
+      setLongitude(null);
     } catch (error) {
       Alert.alert("Fehler", "Abmeldung fehlgeschlagen.");
     }
   };
 
+  const handleUseLocation = async () => {
+    try {
+      const { status } = await Location.requestForegroundPermissionsAsync();
+      if (status !== "granted") {
+        Alert.alert("Fehler", "Standortberechtigung nicht erteilt.");
+        return;
+      }
+      const loc = await Location.getCurrentPositionAsync({});
+      setLatitude(loc.coords.latitude.toString());
+      setLongitude(loc.coords.longitude.toString());
+      const addr = await Location.reverseGeocodeAsync({
+        latitude: loc.coords.latitude,
+        longitude: loc.coords.longitude,
+      });
+      if (addr && addr.length > 0) {
+        setResidence(addr[0].city || addr[0].region || "");
+      }
+    } catch (e) {
+      Alert.alert("Fehler", "Standort konnte nicht ermittelt werden.");
+    }
+  };
+
   if (loading) {
     return (
       <SafeAreaView style={styles.container}>
@@ -305,6 +373,30 @@ export default function AuthScreen() {
                 onChangeText={setLastName}
                 autoCapitalize="words"
               />
+
+              <TextInput
+                style={styles.input}
+                placeholder="Wohnort"
+                value={residence}
+                onChangeText={setResidence}
+              />
+              <TextInput
+                style={styles.input}
+                placeholder="Arbeitsplatz / Uni / Schule"
+                value={workplace}
+                onChangeText={setWorkplace}
+              />
+              <TouchableOpacity
+                style={[
+                  styles.submitButton,
+                  { backgroundColor: "#34C759", marginBottom: 10 },
+                ]}
+                onPress={handleUseLocation}
+              >
+                <Text style={styles.submitButtonText}>
+                  Aktuellen Standort verwenden
+                </Text>
+              </TouchableOpacity>
             </>
           )}