added update check

Reviewed-on: #1
testiranje

.gitea/workflows/ci.yaml

@@ -1,91 +1,71 @@
 name: CI/CD
-
 on:
   push:
     branches:
       - dev
       - main
-
   pull_request:
     branches:
       - main
-
 env:
   JAVA_VERSION: "21"
-
 jobs:
   backend-unit-tests:
     name: Backend Unit Tests
     runs-on: ubuntu-latest
-
     defaults:
       run:
         working-directory: backend
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-
       - name: Set up JDK ${{ env.JAVA_VERSION }}
         uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: ${{ env.JAVA_VERSION }}
-
       - name: Make Gradle wrapper executable
         run: chmod +x gradlew
-
       - name: Run unit tests
         run: ./gradlew test
-
   deploy:
     name: Deploy
     needs: backend-unit-tests
-
     if: github.event_name == 'push' && github.ref == 'refs/heads/main'
-
     runs-on: ubuntu-latest
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-
       - name: Set up JDK ${{ env.JAVA_VERSION }}
         uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: ${{ env.JAVA_VERSION }}
-
       - name: Build boot jar
         working-directory: backend
         run: |
           chmod +x gradlew
           ./gradlew bootJar
-
       - name: Stage jar for Docker
         working-directory: backend
         run: |
           BOOT_JAR=$(find build/libs -name "*.jar" ! -name "*-plain.jar" | head -n 1)
           cp "$BOOT_JAR" app.jar
-
       - name: Login to Docker registry
         run: |
           echo "${{ secrets.REGISTRY_PASSWORD }}" | \
             docker login git.${{ secrets.DOMAIN }} \
             -u "${{ secrets.REGISTRY_USER }}" \
             --password-stdin
-
       - name: Build Docker image
         run: |
           docker build \
             -t git.${{ secrets.DOMAIN }}/${{ secrets.REGISTRY_USER }}/etf-oglasi-server:latest \
             backend/
-
       - name: Push Docker image
         run: |
           docker push \
             git.${{ secrets.DOMAIN }}/${{ secrets.REGISTRY_USER }}/etf-oglasi-server:latest
-
       - name: Deploy to VPS
         run: |
           mkdir -p ~/.ssh
@@ -93,14 +73,12 @@ jobs:
           chmod 600 ~/.ssh/key
           ssh-keyscan -H "${{ secrets.DEPLOY_HOST }}" >> ~/.ssh/known_hosts
 
-          # Write secrets to VPS (only if they've changed or first deploy)
+
-          ssh -i ~/.ssh/key "${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}" \
+          ssh -i ~/.ssh/key \
+            "${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}" \
             "mkdir -p ~/programs/etf-oglasi-server/config"
 
 
-          echo "${{ secrets.FIREBASE_CREDENTIALS }}" | \
+          ssh -i ~/.ssh/key \
-            ssh -i ~/.ssh/key "${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}" \
+            "${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}" \
-            "cat > ~/programs/etf-oglasi-server/config/firebase.json"
-
-          ssh -i ~/.ssh/key "${{ secrets.DEPLOY_USER }}@${{ secrets.DEPLOY_HOST }}" \
             "cd ~/programs/etf-oglasi-server && docker compose pull && docker compose up -d"

.gitignore

@@ -87,3 +87,8 @@ frontend/android/
 
 # Expo
 frontend/expo-env.d.ts
+
+
+
+CLAUDE.md
+ksan.dev.keystore

README.md

@@ -86,3 +86,6 @@ This project is currently under semi-active development as a learning and experi
 ## Notes
 
 This project is just me messing around with stuff while making an app i will use and perhaps others will find it useful
+
+
+need to made .creds .env and init directory with subjects.txt

backend/src/main/java/dev/ksan/etfoglasiserver/config/FirebaseConfig.java

@@ -4,20 +4,25 @@ import com.google.auth.oauth2.GoogleCredentials;
 import com.google.firebase.FirebaseApp;
 import com.google.firebase.FirebaseOptions;
 import com.google.firebase.messaging.FirebaseMessaging;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.core.io.ClassPathResource;
 
+import java.io.FileInputStream;
 import java.io.IOException;
 import java.util.List;
 
 @Configuration
 public class FirebaseConfig {
 
+    @Value("${firebase.credentials.path}")
+    private String credentialsPath;
+
     @Bean
     public FirebaseApp firebaseApp() throws IOException {
         GoogleCredentials credentials = GoogleCredentials
-                .fromStream(new ClassPathResource("firebase.json").getInputStream())
+                .fromStream(new FileInputStream(credentialsPath))
                 .createScoped(List.of("https://www.googleapis.com/auth/firebase.messaging"));
 
         FirebaseOptions options = FirebaseOptions.builder()

backend/src/main/java/dev/ksan/etfoglasiserver/config/JwtFilter.java

@@ -2,7 +2,7 @@ package dev.ksan.etfoglasiserver.config;
 
 import dev.ksan.etfoglasiserver.service.JWTService;
 import dev.ksan.etfoglasiserver.service.MyUserDetailsService;
-import dev.ksan.etfoglasiserver.service.UserService;
+import io.jsonwebtoken.JwtException;
 import jakarta.servlet.FilterChain;
 import jakarta.servlet.ServletException;
 import jakarta.servlet.http.HttpServletRequest;
@@ -36,7 +36,12 @@ public class JwtFilter extends OncePerRequestFilter {
 
         if (authHeader != null && authHeader.startsWith("Bearer ")) {
             token = authHeader.substring(7);
+            try {
                 username = jwtService.extractEmail(token);
+            } catch (JwtException e) {
+                // expired, malformed, or otherwise invalid token - treat as unauthenticated
+                username = null;
+            }
         }
 
         if (username != null && SecurityContextHolder.getContext().getAuthentication() == null) {

backend/src/main/java/dev/ksan/etfoglasiserver/config/SecurityConfig.java

@@ -3,6 +3,7 @@ package dev.ksan.etfoglasiserver.config;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.http.HttpMethod;
 import org.springframework.security.authentication.AuthenticationManager;
 import org.springframework.security.authentication.AuthenticationProvider;
 import org.springframework.security.authentication.dao.DaoAuthenticationProvider;
@@ -16,6 +17,11 @@ import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 import org.springframework.security.crypto.password.PasswordEncoder;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
+import org.springframework.web.cors.CorsConfiguration;
+import org.springframework.web.cors.CorsConfigurationSource;
+import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
+
+import java.util.List;
 
 @Configuration
 @EnableWebSecurity
@@ -30,19 +36,39 @@ public class SecurityConfig {
     @Bean
     public SecurityFilterChain securityFilterChain(HttpSecurity http) throws Exception {
 
-        return http.csrf(customizer -> customizer.disable()).
+        return http
-                authorizeHttpRequests(request -> request
+                .csrf(customizer -> customizer.disable())
+                .cors(cors -> {})
+                .authorizeHttpRequests(request -> request
+                        .requestMatchers(HttpMethod.OPTIONS, "/**").permitAll()
                         .requestMatchers("/api/login", "/api/register").permitAll()
                         .requestMatchers("/api/subjects/**", "/api/entries", "/api/groups").permitAll()
-                        .anyRequest().authenticated()).
+                        .anyRequest().authenticated()
-                httpBasic(Customizer.withDefaults()).
+                )
-                sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
+                .httpBasic(Customizer.withDefaults())
+                .sessionManagement(session -> session.sessionCreationPolicy(SessionCreationPolicy.STATELESS))
                 .addFilterBefore(jwtFilter, UsernamePasswordAuthenticationFilter.class)
                 .build();
-
-
     }
 
+    @Bean
+    public CorsConfigurationSource corsConfigurationSource() {
+        CorsConfiguration config = new CorsConfiguration();
+
+        config.setAllowedOrigins(List.of(
+                "http://localhost:8081",
+                "https://etf-oglasi.ksan.dev"
+        ));
+
+        config.setAllowedMethods(List.of("GET","POST","PUT","DELETE","OPTIONS"));
+        config.setAllowedHeaders(List.of("*"));
+        config.setAllowCredentials(true);
+
+        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
+        source.registerCorsConfiguration("/**", config);
+
+        return source;
+    }
 
 
 

backend/src/main/java/dev/ksan/etfoglasiserver/controller/EntryController.java

@@ -25,7 +25,7 @@ public class EntryController {
     return service.getEntryById(entryId);
   }
 
-  //ignore this for now
+  // TODO only for testing
   @PostMapping("/entries")
   public void addEntry(@RequestBody EntryDTO entry) {
     service.addEntry(entry);
@@ -62,13 +62,14 @@ public class EntryController {
   }
 
 
-  @PutMapping("/entries")
+//  @PutMapping("/entries")
-  public void updateEntry(@RequestBody EntryDTO entry) {
+//  public void updateEntry(@RequestBody EntryDTO entry) {
-    service.updateEntry(entry);
+//    service.updateEntry(entry);
-  }
+//  }
 
-  @DeleteMapping("/entries/{entryId}")
+//  @DeleteMapping("/entries/{entryId}")
-  public void deleteEntry(@PathVariable String entryId) {
+//  public void deleteEntry(@PathVariable String entryId) {
-    service.deleteEntry(entryId);
+//    service.deleteEntry(entryId);
-  }
+//  }
+//
 }

backend/src/main/java/dev/ksan/etfoglasiserver/service/JWTService.java

@@ -1,17 +1,13 @@
 package dev.ksan.etfoglasiserver.service;
 
-import dev.ksan.etfoglasiserver.model.User;
 import io.jsonwebtoken.Claims;
 import io.jsonwebtoken.Jwts;
-import java.security.NoSuchAlgorithmException;
 import java.util.*;
 import java.util.function.Function;
-import javax.crypto.KeyGenerator;
 import javax.crypto.SecretKey;
 
 import io.jsonwebtoken.io.Decoders;
 import io.jsonwebtoken.security.Keys;
-import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.core.userdetails.UserDetails;
 import org.springframework.stereotype.Service;
@@ -29,7 +25,7 @@ public class JWTService {
 
 
     return Jwts.builder().claims().add(claims).subject(email)
-            .issuedAt(new Date(System.currentTimeMillis())).expiration(new Date(System.currentTimeMillis()+60*60*300))
+            .issuedAt(new Date(System.currentTimeMillis())).expiration(new Date(System.currentTimeMillis()+1000L*60*60*24*60))
             .and().signWith(getKey()).compact();
   }
 

backend/src/main/java/dev/ksan/etfoglasiserver/service/NotificationService.java

@@ -31,9 +31,11 @@ public class NotificationService {
                     .build();
 
             try {
-                firebaseMessaging.send(message);
+                String id = firebaseMessaging.send(message);
+                System.out.println("Send:" + id);
             } catch (FirebaseMessagingException ex) {
 
+                ex.printStackTrace();
                 if (ex.getMessagingErrorCode()
                         == MessagingErrorCode.UNREGISTERED) {
                     deviceTokenRepo.delete(token);

backend/src/test/java/dev/ksan/etfoglasiserver/controller/EntryControllerTest.java

@@ -139,14 +139,15 @@ class EntryControllerTest {
     }
 
 
-    @Test
+    //we removed this from controller so test is pointless
-    @WithMockUser
+//    @Test
-    void deleteEntry_authenticated_returns200() throws Exception {
+//    @WithMockUser
-        doNothing().when(entryService).deleteEntry("entry-1");
+//    void deleteEntry_authenticated_returns200() throws Exception {
-
+//        doNothing().when(entryService).deleteEntry("entry-1");
-        mvc.perform(delete("/api/entries/entry-1"))
+//
-                .andExpect(status().isOk());
+//        mvc.perform(delete("/api/entries/entry-1"))
-    }
+//                .andExpect(status().isOk());
+//    }
 
     @Test
     void deleteEntry_unauthenticated_returns401or403() throws Exception {

ci-full.yaml

@@ -1,24 +0,0 @@
-name: CI - full
-
-on:
-  pull_request:
-    branches: [main]
-
-jobs:
-  backend-test:
-    uses: ./.gitea/workflows/backend-test.yaml
-
-  frontend-build:
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: frontend
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-      - name: Install dependencies
-        run: npm ci
-      - name: Build frontend
-        run: npx expo export --platform web

frontend/app/_layout.tsx

@@ -1,5 +1,5 @@
 import "../globals.css";
-import { useEffect } from 'react';
+import { useEffect, useState } from 'react';
 import { Stack } from 'expo-router';
 import { SafeAreaProvider } from 'react-native-safe-area-context';
 import {
@@ -7,11 +7,22 @@ import {
     onMessage,
     onNotificationOpenedApp,
     getInitialNotification,
+    setBackgroundMessageHandler,
 } from '@react-native-firebase/messaging';
-import { registerDeviceToken, listenForTokenRefresh } from '@/services/notifications';
+import { registerDeviceToken, listenForTokenRefresh, displayLocalNotification } from '@/services/notifications';
 import { AuthProvider, useAuth } from "@/context/AuthContext";
+import { useUpdatecheck } from '@/hooks/useUpdatecheck';
+import { UpdatePrompt } from '@/components/UpdatePrompt';
 import Toast from 'react-native-toast-message';
 
+// Registered at module scope so it's installed as soon as this entry file
+// loads, which is required for it to fire while the app is backgrounded/killed.
+setBackgroundMessageHandler(getMessaging(), async (remoteMessage) => {
+    const title = remoteMessage.data?.title as string | undefined;
+    const body = remoteMessage.data?.body as string | undefined;
+    await displayLocalNotification(title, body);
+});
+
 function NotificationSetup() {
     const { user, loading } = useAuth();
 
@@ -27,7 +38,8 @@ function NotificationSetup() {
             console.log('Foreground notification:', msg);
             Toast.show({
                 type: 'info',
-                text1: msg.notification?.title ?? 'New Notification',
+                text1: (msg.data?.title as string | undefined) ?? 'New Notification',
+                text2: msg.data?.body as string | undefined,
                 position: 'top',
                 visibilityTime: 4000,
             });
@@ -50,12 +62,22 @@ function NotificationSetup() {
     return null;
 }
 
+function UpdateCheck() {
+    const { updateInfo } = useUpdatecheck();
+    const [dismissed, setDismissed] = useState(false);
+
+    if (!updateInfo || dismissed) return null;
+
+    return <UpdatePrompt updateInfo={updateInfo} onDismiss={() => setDismissed(true)} />;
+}
+
 export default function RootLayout() {
     return (
         <AuthProvider>
             <SafeAreaProvider>
                 <NotificationSetup />
                 <Stack screenOptions={{ headerShown: false }} />
+                <UpdateCheck />
                 <Toast />
             </SafeAreaProvider>
         </AuthProvider>

frontend/components/UpdatePrompt.tsx

@@ -0,0 +1,138 @@
+// components/UpdatePrompt.tsx
+// ─────────────────────────────────────────────────────────────────────────────
+// Modal that appears when a newer build is available.
+// "Update now" opens the Gitea release page in the browser.
+// "Later" dismisses it for the current session (it reappears next launch).
+// ─────────────────────────────────────────────────────────────────────────────
+
+import React from 'react';
+import {
+    Linking,
+    Modal,
+    Pressable,
+    StyleSheet,
+    Text,
+    View,
+} from 'react-native';
+import type { UpdateInfo } from '../hooks/useUpdatecheck';
+import { version as currentVersion } from '../version.json';
+
+interface Props {
+    updateInfo: UpdateInfo;
+    onDismiss: () => void;
+}
+
+export function UpdatePrompt({ updateInfo, onDismiss }: Props) {
+    function openRelease() {
+        Linking.openURL(updateInfo.releaseUrl).catch(() => {
+            // If the device can't open the URL, just dismiss so the app isn't stuck.
+            onDismiss();
+        });
+    }
+
+    return (
+        <Modal
+            visible
+            transparent
+            animationType="fade"
+            onRequestClose={onDismiss}
+        >
+            <View style={styles.overlay}>
+                <View style={styles.card}>
+                    <Text style={styles.title}>Update available</Text>
+
+                    <Text style={styles.body}>
+                        A new version of the app is available.{'\n'}
+                        You are on build <Text style={styles.bold}>{currentVersion}</Text>,
+                        the latest is build{' '}
+                        <Text style={styles.bold}>{updateInfo.latestVersion}</Text>.
+                    </Text>
+
+                    <View style={styles.actions}>
+                        <Pressable
+                            style={[styles.btn, styles.btnSecondary]}
+                            onPress={onDismiss}
+                            accessibilityRole="button"
+                            accessibilityLabel="Remind me later"
+                        >
+                            <Text style={styles.btnSecondaryText}>Later</Text>
+                        </Pressable>
+
+                        <Pressable
+                            style={[styles.btn, styles.btnPrimary]}
+                            onPress={openRelease}
+                            accessibilityRole="button"
+                            accessibilityLabel="Open the release page to update"
+                        >
+                            <Text style={styles.btnPrimaryText}>Update now</Text>
+                        </Pressable>
+                    </View>
+                </View>
+            </View>
+        </Modal>
+    );
+}
+
+const styles = StyleSheet.create({
+    overlay: {
+        flex: 1,
+        backgroundColor: 'rgba(0,0,0,0.5)',
+        justifyContent: 'center',
+        alignItems: 'center',
+        padding: 24,
+    },
+    card: {
+        width: '100%',
+        maxWidth: 380,
+        backgroundColor: '#fff',
+        borderRadius: 12,
+        padding: 24,
+        shadowColor: '#000',
+        shadowOffset: { width: 0, height: 4 },
+        shadowOpacity: 0.15,
+        shadowRadius: 12,
+        elevation: 8,
+    },
+    title: {
+        fontSize: 18,
+        fontWeight: '700',
+        color: '#111',
+        marginBottom: 12,
+    },
+    body: {
+        fontSize: 15,
+        color: '#444',
+        lineHeight: 22,
+        marginBottom: 24,
+    },
+    bold: {
+        fontWeight: '700',
+        color: '#111',
+    },
+    actions: {
+        flexDirection: 'row',
+        justifyContent: 'flex-end',
+        gap: 12,
+    },
+    btn: {
+        paddingVertical: 10,
+        paddingHorizontal: 20,
+        borderRadius: 8,
+    },
+    btnPrimary: {
+        backgroundColor: '#2563EB',
+    },
+    btnPrimaryText: {
+        color: '#fff',
+        fontWeight: '600',
+        fontSize: 15,
+    },
+    btnSecondary: {
+        backgroundColor: '#F3F4F6',
+    },
+    btnSecondaryText: {
+        color: '#374151',
+        fontWeight: '600',
+        fontSize: 15,
+    },
+});

frontend/config/gitea.tsx

@@ -0,0 +1,10 @@
+export const GITEA_URL = 'https://git.ksan.dev';
+
+export const GITEA_OWNER = 'ksan';
+
+export const GITEA_REPO = 'etf-oglasi';
+
+
+export const RELEASE_TAG_PREFIX = 'mobile-v';
+
+export const UPDATE_CHECK_TIMEOUT_MS = 8_000;

frontend/context/AuthContext.tsx

@@ -1,9 +1,10 @@
 import React, { createContext, useContext, useEffect, useState } from "react";
 import AsyncStorage from "@react-native-async-storage/async-storage";
+import Toast from "react-native-toast-message";
 import {
     authApi,
 
-    LoginPayload, RegisterPayload, subscriptionsApi, userApi, UserUpdateDTO,
+    LoginPayload, RegisterPayload, setUnauthorizedHandler, subscriptionsApi, userApi, UserUpdateDTO,
 } from "@/services/api";
 
 type User = {
@@ -45,6 +46,20 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
         setUser(u);
     };
 
+    useEffect(() => {
+        setUnauthorizedHandler(() => {
+            persist(null);
+            Toast.show({
+                type: 'info',
+                text1: 'Session expired',
+                text2: 'Please sign in again.',
+                position: 'top',
+                visibilityTime: 4000,
+            });
+        });
+        return () => setUnauthorizedHandler(null);
+    }, []);
+
     const updateNotificationType = async (type: 'PUSH_NOTIFICATION' | 'NO_NOTIFICATION') => {
         if (!user) return;
         await userApi.updateNotificationType(type, user.token);

frontend/hooks/usePushNotifications.tsx

@@ -0,0 +1,46 @@
+
+import { useEffect } from "react";
+import messaging from "@react-native-firebase/messaging";
+import notifee, { AndroidImportance, EventType } from "@notifee/react-native";
+
+
+async function displayLocalNotification(title?: string, body?: string) {
+    if (!title && !body) return;
+
+    const channelId = await notifee.createChannel({
+        id:         "default",
+        name:       "General",
+        importance: AndroidImportance.HIGH,
+    });
+
+    await notifee.displayNotification({
+        title,
+        body,
+        android: {
+            channelId,
+            pressAction: { id: "default" },
+        },
+    });
+}
+
+
+export function usePushNotifications() {
+    useEffect(() => {
+        const unsubscribeMessage = messaging().onMessage(async remoteMessage => {
+            const title = remoteMessage.data?.title as string | undefined;
+            const body  = remoteMessage.data?.body  as string | undefined;
+            await displayLocalNotification(title, body);
+        });
+
+        const unsubscribeNotifee = notifee.onForegroundEvent(({ type, detail }) => {
+            if (type === EventType.PRESS) {
+                console.log("Notification tapped:", detail.notification);
+            }
+        });
+
+        return () => {
+            unsubscribeMessage();
+            unsubscribeNotifee();
+        };
+    }, []);
+}

frontend/hooks/useUpdatecheck.tsx

@@ -0,0 +1,137 @@
+
+import { useEffect, useState } from 'react';
+import {
+    GITEA_URL,
+    GITEA_OWNER,
+    GITEA_REPO,
+    RELEASE_TAG_PREFIX,
+    UPDATE_CHECK_TIMEOUT_MS,
+} from '../config/gitea';
+import { version as currentVersion } from '../version.json';
+
+export interface UpdateInfo {
+    /** Build number of the latest release (same unit as currentVersion). */
+    latestVersion: number;
+    /** Direct URL the user can open to read the release notes / download the APK. */
+    releaseUrl: string;
+    /** Tag name as stored on Gitea, e.g. "mobile-v42". */
+    tagName: string;
+}
+
+export interface UseUpdateCheckResult {
+    /** True while the API call is in flight. */
+    checking: boolean;
+    /** Populated once the check completes and a newer build exists. */
+    updateInfo: UpdateInfo | null;
+    /** Non-null when the check failed (network error, timeout, bad response). */
+    error: Error | null;
+    /** Re-run the check manually (e.g. from a "check again" button). */
+    recheck: () => void;
+}
+
+// ─── Gitea releases API ──────────────────────────────────────────────────────
+
+interface GiteaRelease {
+    id: number;
+    tag_name: string;
+    name: string;
+    html_url: string;
+    draft: boolean;
+    prerelease: boolean;
+}
+
+async function fetchLatestRelease(): Promise<GiteaRelease> {
+    const url = `${GITEA_URL}/api/v1/repos/${GITEA_OWNER}/${GITEA_REPO}/releases/latest`;
+
+    const controller = new AbortController();
+    const timer = setTimeout(() => controller.abort(), UPDATE_CHECK_TIMEOUT_MS);
+
+    try {
+        const res = await fetch(url, { signal: controller.signal });
+
+        if (!res.ok) {
+            throw new Error(`Gitea API returned HTTP ${res.status}`);
+        }
+
+        return (await res.json()) as GiteaRelease;
+    } finally {
+        clearTimeout(timer);
+    }
+}
+
+/** Parse the integer build number out of a tag like "mobile-v42". Returns NaN if it can't. */
+function parseBuildNumber(tagName: string): number {
+    if (!tagName.startsWith(RELEASE_TAG_PREFIX)) return NaN;
+    return parseInt(tagName.slice(RELEASE_TAG_PREFIX.length), 10);
+}
+
+
+export function useUpdatecheck(): UseUpdateCheckResult {
+    const [checking, setChecking] = useState(false);
+    const [updateInfo, setUpdateInfo] = useState<UpdateInfo | null>(null);
+    const [error, setError] = useState<Error | null>(null);
+    // A counter we bump to re-trigger the effect without changing the dep array shape.
+    const [trigger, setTrigger] = useState(0);
+
+    useEffect(() => {
+        let cancelled = false;
+
+        async function check() {
+            setChecking(true);
+            setError(null);
+
+            try {
+                const release = await fetchLatestRelease();
+
+                if (cancelled) return;
+
+                // Skip drafts and pre-releases.
+                if (release.draft || release.prerelease) {
+                    setUpdateInfo(null);
+                    return;
+                }
+
+                const latestVersion = parseBuildNumber(release.tag_name);
+
+                if (isNaN(latestVersion)) {
+                    // The tag doesn't follow our scheme — ignore it silently.
+                    setUpdateInfo(null);
+                    return;
+                }
+
+                if (latestVersion > currentVersion) {
+                    setUpdateInfo({
+                        latestVersion,
+                        releaseUrl: release.html_url,
+                        tagName: release.tag_name,
+                    });
+                } else {
+                    setUpdateInfo(null);
+                }
+            } catch (err) {
+                if (cancelled) return;
+                // Don't surface AbortError as a real error — it's just a timeout.
+                if (err instanceof Error && err.name === 'AbortError') {
+                    setError(new Error('Update check timed out. Check your connection.'));
+                } else {
+                    setError(err instanceof Error ? err : new Error(String(err)));
+                }
+            } finally {
+                if (!cancelled) setChecking(false);
+            }
+        }
+
+        check();
+
+        return () => {
+            cancelled = true;
+        };
+    }, [trigger]);
+
+    return {
+        checking,
+        updateInfo,
+        error,
+        recheck: () => setTrigger(t => t + 1),
+    };
+}

frontend/index.tsx

@@ -2,25 +2,52 @@
 
 import "./globals.css";
 
-import React from "react";
+import React, { useState } from "react";
 import { useColorScheme } from "react-native";
 import { NavigationContainer, DefaultTheme, DarkTheme } from "@react-navigation/native";
 import { createBottomTabNavigator } from "@react-navigation/bottom-tabs";
 import { Ionicons } from "@expo/vector-icons";
+import { enableScreens } from "react-native-screens";
+import { SafeAreaProvider } from "react-native-safe-area-context";
+import messaging from "@react-native-firebase/messaging";
+import notifee, { AndroidImportance } from "@notifee/react-native";
 
 import SubscribedFeed from "@/screens/SubscribedFeed";
 import AllFeed from "@/screens/AllFeed";
 import Profile from "@/screens/Profile";
-import {enableScreens} from "react-native-screens";
-import {SafeAreaProvider} from "react-native-safe-area-context";
 import AuthGate from "@/screens/AuthGate";
 import { AuthProvider, useAuth } from "@/context/AuthContext";
-import messaging, {setBackgroundMessageHandler} from "@react-native-firebase/messaging";
+import { useUpdatecheck } from "./hooks/useUpdatecheck";
-import {getMessaging} from "@firebase/messaging";
+import { UpdatePrompt } from "./components/UpdatePrompt";
-messaging().setBackgroundMessageHandler(async () => {});
+import { usePushNotifications } from "./hooks/usePushNotifications";
+
+// Handles data-only FCM messages when the app is in the background or closed.
+messaging().setBackgroundMessageHandler(async remoteMessage => {
+    const title = remoteMessage.data?.title as string | undefined;
+    const body  = remoteMessage.data?.body  as string | undefined;
+
+    if (!title && !body) return;
+
+    const channelId = await notifee.createChannel({
+        id:         "default",
+        name:       "General",
+        importance: AndroidImportance.HIGH,
+    });
+
+    await notifee.displayNotification({
+        title,
+        body,
+        android: {
+            channelId,
+            pressAction: { id: "default" },
+        },
+    });
+});
+
 // Must be called before any navigator renders
 enableScreens();
 
+
 const Tab = createBottomTabNavigator();
 
 const LIGHT_TAB = {
@@ -30,6 +57,7 @@ const LIGHT_TAB = {
     inactive: "#8A8278",
     label:    "#1A1714",
 };
+
 const DARK_TAB = {
     bg:       "#161513",
     border:   "#2C2A27",
@@ -38,13 +66,13 @@ const DARK_TAB = {
     label:    "#F0EDE8",
 };
 
-
 function ProfileTab() {
     const { user, loading } = useAuth();
     if (loading) return null;
     return user ? <Profile /> : <AuthGate />;
 }
 
+
 export default function App() {
     const scheme = useColorScheme();
     const dark = scheme === "dark";
@@ -54,6 +82,11 @@ export default function App() {
         ? { ...DarkTheme,   colors: { ...DarkTheme.colors,   background: "#0E0D0C" } }
         : { ...DefaultTheme, colors: { ...DefaultTheme.colors, background: "#FDFAF5" } };
 
+    const { updateInfo } = useUpdatecheck();
+    const [updateDismissed, setUpdateDismissed] = useState(false);
+
+    usePushNotifications();
+
     return (
         <AuthProvider>
             <SafeAreaProvider>
@@ -118,8 +151,16 @@ export default function App() {
                         />
                     </Tab.Navigator>
                 </NavigationContainer>
-        </SafeAreaProvider>
 
+                {/* Overlays the entire app including the tab bar */}
+                {updateInfo && !updateDismissed && (
+                    <UpdatePrompt
+                        updateInfo={updateInfo}
+                        onDismiss={() => setUpdateDismissed(true)}
+                    />
+                )}
+
+            </SafeAreaProvider>
         </AuthProvider>
     );
 }

frontend/package-lock.json

@@ -9,6 +9,7 @@
       "version": "1.0.0",
       "dependencies": {
         "@expo/vector-icons": "^15.0.3",
+        "@notifee/react-native": "^9.1.8",
         "@react-native-async-storage/async-storage": "2.2.0",
         "@react-native-firebase/app": "^24.0.0",
         "@react-native-firebase/messaging": "^24.0.0",
@@ -3583,6 +3584,15 @@
         "node": ">=12.4.0"
       }
     },
+    "node_modules/@notifee/react-native": {
+      "version": "9.1.8",
+      "resolved": "https://registry.npmjs.org/@notifee/react-native/-/react-native-9.1.8.tgz",
+      "integrity": "sha512-Az/dueoPerJsbbjRxu8a558wKY+gONUrfoy3Hs++5OqbeMsR0dYe6P+4oN6twrLFyzAhEA1tEoZRvQTFDRmvQg==",
+      "license": "Apache-2.0",
+      "peerDependencies": {
+        "react-native": "*"
+      }
+    },
     "node_modules/@protobufjs/aspromise": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",

frontend/package.json

@@ -12,6 +12,7 @@
   },
   "dependencies": {
     "@expo/vector-icons": "^15.0.3",
+    "@notifee/react-native": "^9.1.8",
     "@react-native-async-storage/async-storage": "2.2.0",
     "@react-native-firebase/app": "^24.0.0",
     "@react-native-firebase/messaging": "^24.0.0",

frontend/services/api.tsx

@@ -1,11 +1,19 @@
 
-const BASE_URL = process.env.EXPO_PUBLIC_API_URL; // TODO change this
+const BASE_URL = process.env.EXPO_PUBLIC_API_URL+'/api';
 
 export type NotificationType = 'PUSH_NOTIFICATION' | 'NO_NOTIFICATION';
 function authHeader(token?: string) {
     return token ? { Authorization: `Bearer ${token}` } : {};
 }
 
+let onUnauthorized: (() => void) | null = null;
+
+// Called once from AuthProvider so api.tsx can trigger a logout/relogin
+// when the backend rejects a request due to a missing/expired/invalid token.
+export function setUnauthorizedHandler(handler: (() => void) | null) {
+    onUnauthorized = handler;
+}
+
 async function request<T>(
     method: string,
     path: string,
@@ -30,6 +38,7 @@ async function request<T>(
         console.log('Failed URL:', res.url);
         console.log('Status:', res.status);
         console.log('Response:', errorText);
+        if (res.status === 401 && token) onUnauthorized?.();
         throw new Error(errorText);
     }
     return res.json();

frontend/services/notifications.tsx

@@ -5,6 +5,7 @@ import {
     onTokenRefresh,
     AuthorizationStatus,
 } from '@react-native-firebase/messaging';
+import notifee, { AndroidImportance } from '@notifee/react-native';
 import { post } from '@/services/api';
 
 export async function registerDeviceToken(authToken: string): Promise<void> {
@@ -18,7 +19,7 @@ export async function registerDeviceToken(authToken: string): Promise<void> {
 
     const fcmToken = await getToken(messaging);
 
-    await fetch(`${process.env.EXPO_PUBLIC_API_URL}/device-tokens/register`, {
+    await fetch(`${process.env.EXPO_PUBLIC_API_URL}/api/device-tokens/register`, {
         method: 'POST',
         headers: {
             'Content-Type': 'application/json',
@@ -33,3 +34,22 @@ export function listenForTokenRefresh(authToken: string): () => void {
         await post('/device-tokens/register', { token: newToken }, authToken);
     });
 }
+
+export async function displayLocalNotification(title?: string, body?: string) {
+    if (!title && !body) return;
+
+    const channelId = await notifee.createChannel({
+        id: 'default',
+        name: 'General',
+        importance: AndroidImportance.HIGH,
+    });
+
+    await notifee.displayNotification({
+        title,
+        body,
+        android: {
+            channelId,
+            pressAction: { id: 'default' },
+        },
+    });
+}

frontend/version.json

@@ -0,0 +1,3 @@
+{
+  "version": 0
+}