added push notifications

.gitignore

@@ -52,6 +52,8 @@ nbdist/
 
 frontend/node_modules/
 
+frontend/google-services.json
+
 frontend/.expo/
 frontend/dist/
 frontend/web-build/

backend/build.gradle

@@ -39,7 +39,8 @@ dependencies {
     runtimeOnly("io.jsonwebtoken:jjwt-jackson:0.13.0")
     implementation("io.jsonwebtoken:jjwt-api:0.13.0")
     runtimeOnly("io.jsonwebtoken:jjwt-impl:0.13.0")
-
+    implementation("org.projectlombok:lombok:1.18.42")
+    annotationProcessor 'org.projectlombok:lombok:1.18.42'
     implementation 'com.google.firebase:firebase-admin:9.9.0'
 }
 

backend/init.sql

@@ -37,7 +37,7 @@ CREATE TABLE IF NOT EXISTS public.subjects
     CONSTRAINT subjects_pkey PRIMARY KEY (id)
 );
 
-CREATE TABLE IF NOT EXISTS public."user-subject"
+CREATE TABLE IF NOT EXISTS public."user_subject"
 (
     user_id uuid NOT NULL,
     subject_id uuid NOT NULL,

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

@@ -1,45 +1,42 @@
 package dev.ksan.etfoglasiserver.controller;
 
 import dev.ksan.etfoglasiserver.model.DeviceToken;
+import dev.ksan.etfoglasiserver.model.RegisterTokenRequest;
 import dev.ksan.etfoglasiserver.model.User;
 import dev.ksan.etfoglasiserver.repository.DeviceTokenRepo;
 import dev.ksan.etfoglasiserver.repository.UserRepo;
+import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
-import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.security.core.userdetails.UserDetails;
-import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.*;
-import org.springframework.web.bind.annotation.RestController;
 
-import java.util.UUID;
 
 @RestController
 @RequestMapping("/api/device-tokens")
+@RequiredArgsConstructor
 public class DeviceTokenController {
 
-    @Autowired
+    private final DeviceTokenRepo deviceTokenRepo;
-    private DeviceTokenRepo deviceTokenRepo;
+    private final UserRepo userRepo;
-    @Autowired
-    private UserRepo userRepo;
 
     @PostMapping("/register")
     public ResponseEntity<?> register(
-            @RequestParam UUID userId,
+            @RequestBody RegisterTokenRequest request,
-            @RequestParam String token
+            @AuthenticationPrincipal UserDetails principal) {
-    ) {
 
-        User user = userRepo.findById(userId)
+        User user = userRepo.findByEmail(principal.getUsername())
                 .orElseThrow(() -> new RuntimeException("User not found"));
 
         DeviceToken deviceToken = deviceTokenRepo
-                .findByFcmToken(token)
+                .findByFcmToken(request.getToken())
                 .orElse(new DeviceToken());
 
         deviceToken.setUser(user);
-        deviceToken.setFcmToken(token);
+        deviceToken.setFcmToken(request.getToken());
-
         deviceTokenRepo.save(deviceToken);
 
-        return ResponseEntity.ok("Token saved");
+        return ResponseEntity.noContent().build();
     }
 }

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

@@ -4,8 +4,11 @@ import dev.ksan.etfoglasiserver.dto.JwtResponseDTO;
 import dev.ksan.etfoglasiserver.dto.UserCreationDTO;
 import dev.ksan.etfoglasiserver.dto.UserDTO;
 import dev.ksan.etfoglasiserver.dto.UserLoginDTO;
+import dev.ksan.etfoglasiserver.model.NotificationMethod;
 import dev.ksan.etfoglasiserver.model.User;
 import dev.ksan.etfoglasiserver.service.UserService;
+
+import java.util.Map;
 import java.util.UUID;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.HttpStatus;
@@ -22,13 +25,11 @@ public class UserController {
 
   @GetMapping("users/me")
   public ResponseEntity<UserDTO> getUserById(Authentication authentication) {
-
     String email = authentication.getName();
+    User user = service.getAccountByEmail(email)
+            .orElseThrow(() -> new RuntimeException("User not found"));
 
-
+    return ResponseEntity.ok(new UserDTO(user));
-    User user = service.getAccountByEmail(email).orElseThrow(() -> new RuntimeException("User not found"));
-
-    return new ResponseEntity<>(HttpStatus.NOT_FOUND);
   }
 
   @PutMapping("/users/me")
@@ -43,6 +44,20 @@ public class UserController {
     return ResponseEntity.ok(userUpdated);
   }
 
+
+
+  @PostMapping("users/me/notification-type")
+  public ResponseEntity<?> updateNotificationType(
+          @RequestBody Map<String, String> request,
+          Authentication authentication) {
+
+    String email = authentication.getName();
+    NotificationMethod type = NotificationMethod.valueOf(request.get("notificationType"));
+    service.updateNotificationType(email, type);
+
+    return ResponseEntity.ok(Map.of("status", "updated"));
+  }
+
   @PutMapping("/users/me/subjects/{subjectId}")
   public ResponseEntity<UserDTO> addSubject(
           @PathVariable UUID subjectId,
@@ -83,6 +98,8 @@ public class UserController {
     return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
   }
 
+
+
   @DeleteMapping("/users/me")
   public ResponseEntity<Void> deleteUser(Authentication authentication) {
 

backend/src/main/java/dev/ksan/etfoglasiserver/dto/UserDTO.java

@@ -3,14 +3,25 @@ package dev.ksan.etfoglasiserver.dto;
 import dev.ksan.etfoglasiserver.model.NotificationMethod;
 import dev.ksan.etfoglasiserver.model.Subject;
 import dev.ksan.etfoglasiserver.model.User;
+import lombok.Getter;
+import lombok.Setter;
 
 import java.util.Set;
 import java.util.UUID;
 
 public class UserDTO {
+  @Setter
+  @Getter
   private UUID id;
+  @Setter
+  @Getter
   private String email;
+  @Setter
+  @Getter
   private Set<Subject> subjectSet;
+  @Getter
+  @Setter
+  private NotificationMethod notificationType;
 
   public UserDTO() {}
 
@@ -19,38 +30,17 @@ public class UserDTO {
     this.id = id;
     this.email = email;
     this.subjectSet = subjectSet;
+    this.notificationType = notificationMethod2;
   }
 
     public UserDTO(User user) {
     this.id = user.getId();
     this.email = user.getEmail();
     this.subjectSet = user.getSubjectSet();
+    this.notificationType = user.getNotificationMethod();
 
     }
 
-    public UUID getId() {
-    return id;
-  }
-
-  public void setId(UUID id) {
-    this.id = id;
-  }
-
-  public String getEmail() {
-    return email;
-  }
-
-  public void setEmail(String email) {
-    this.email = email;
-  }
-
-  public Set<Subject> getSubjectSet() {
-    return subjectSet;
-  }
-
-  public void setSubjectSet(Set<Subject> subjectSet) {
-    this.subjectSet = subjectSet;
-  }
 
 
 }

backend/src/main/java/dev/ksan/etfoglasiserver/model/DeviceToken.java

@@ -7,6 +7,7 @@ import lombok.Setter;
 import java.time.LocalDateTime;
 import java.util.UUID;
 
+@Getter                  // ← add class-level getter
 @Entity
 @Table(
         name = "device_tokens",
@@ -25,7 +26,6 @@ public class DeviceToken {
     @JoinColumn(name = "user_id", nullable = false)
     private User user;
 
-    @Getter
     @Setter
     @Column(name = "fcm_token", nullable = false)
     private String fcmToken;
@@ -38,5 +38,4 @@ public class DeviceToken {
     public void touch() {
         this.updatedAt = LocalDateTime.now();
     }
-
 }

backend/src/main/java/dev/ksan/etfoglasiserver/model/NotificationMethod.java

@@ -3,6 +3,5 @@ package dev.ksan.etfoglasiserver.model;
 public enum NotificationMethod {
 
     NO_NOTIFICATION,
-    EMAIL,
     PUSH_NOTIFICATION
 }

backend/src/main/java/dev/ksan/etfoglasiserver/model/RegisterTokenRequest.java

@@ -0,0 +1,8 @@
+package dev.ksan.etfoglasiserver.model;
+
+import lombok.Data;
+
+@Data
+public class RegisterTokenRequest {
+    private String token;
+}

backend/src/main/java/dev/ksan/etfoglasiserver/model/Subject.java

@@ -1,6 +1,8 @@
 package dev.ksan.etfoglasiserver.model;
 
 import jakarta.persistence.*;
+import lombok.Getter;
+import lombok.Setter;
 
 import java.util.Set;
 import java.util.UUID;
@@ -9,13 +11,18 @@ import java.util.UUID;
 @Table(name = "subjects")
 public class Subject {
 
+  @Getter
   @Id
   @GeneratedValue(strategy = GenerationType.AUTO)
   @Column(columnDefinition = "uuid")
   private UUID id;
 
+  @Getter
+  @Setter
   @Column private long code;
 
+  @Getter
+  @Setter
   @Column(nullable = false)
   private String name;
 
@@ -26,23 +33,4 @@ public class Subject {
   public Subject(){
   }
 
-  public UUID getId() {
-    return id;
-  }
-
-  public long getCode() {
-    return code;
-  }
-
-  public void setCode(long code) {
-    this.code = code;
-  }
-
-  public String getName() {
-    return name;
-  }
-
-  public void setName(String name) {
-    this.name = name;
-  }
 }

backend/src/main/java/dev/ksan/etfoglasiserver/model/SubjectAlt.java

@@ -9,6 +9,8 @@ import jakarta.persistence.Id;
 import jakarta.persistence.JoinColumn;
 import jakarta.persistence.ManyToOne;
 import jakarta.persistence.Table;
+import lombok.Setter;
+
 import java.util.UUID;
 
 @Entity
@@ -18,9 +20,11 @@ public class SubjectAlt {
   @GeneratedValue(strategy = GenerationType.AUTO)
   private UUID id;
 
+  @Setter
   @Column(nullable = false)
   String name;
 
+  @Setter
   @ManyToOne(fetch = FetchType.EAGER)
   @JoinColumn(nullable = false)
   private Subject subject;
@@ -32,22 +36,15 @@ public class SubjectAlt {
   }
 
   public UUID getId() {
-    return id;
+    return this.id;
   }
 
   public String getName() {
-    return name;
+    return this.name;
-  }
-
-  public void setName(String name) {
-    this.name = name;
   }
 
   public Subject getSubject() {
-    return subject;
+    return this.subject;
   }
 
-  public void setSubject(Subject subject) {
-    this.subject = subject;
-  }
 }

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

@@ -43,6 +43,8 @@ public class EntryService {
     Entry newEntry = new Entry(entry);
     newEntry.setSubject(subject);
     entryRepo.save(newEntry);
+
+    subjectService.notifyAsync(newEntry);
   }
 
   public void addEntry(Entry entry) {

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

@@ -4,6 +4,7 @@ import dev.ksan.etfoglasiserver.dto.JwtResponseDTO;
 import dev.ksan.etfoglasiserver.dto.UserCreationDTO;
 import dev.ksan.etfoglasiserver.dto.UserDTO;
 import dev.ksan.etfoglasiserver.dto.UserLoginDTO;
+import dev.ksan.etfoglasiserver.model.NotificationMethod;
 import dev.ksan.etfoglasiserver.model.Subject;
 import dev.ksan.etfoglasiserver.model.User;
 import dev.ksan.etfoglasiserver.repository.SubjectRepo;
@@ -204,4 +205,11 @@ public class UserService {
 
         return getUserDTO(user);
     }
+
+  public void updateNotificationType(String email, NotificationMethod notificationType) {
+    User user =  userRepo.findByEmail(email).orElseThrow(() -> new RuntimeException("User not found"));
+
+    user.setNotificationMethod(notificationType);
+    userRepo.save(user);
+  }
 }

frontend/app.json

@@ -1,17 +1,18 @@
 {
   "expo": {
-    "name": "etfoglasi-frontend",
+    "name": "etfoglasi",
-    "slug": "etfoglasi-frontend",
+    "slug": "etfoglasi",
     "version": "1.0.0",
     "orientation": "portrait",
     "icon": "./assets/images/icon.png",
-    "scheme": "etfoglasifrontend",
+    "scheme": "etfoglasi",
     "userInterfaceStyle": "automatic",
     "newArchEnabled": true,
     "ios": {
       "supportsTablet": true
     },
     "android": {
+      "googleServicesFile": "./google-services.json",
       "adaptiveIcon": {
         "backgroundColor": "#E6F4FE",
         "foregroundImage": "./assets/images/android-icon-foreground.png",
@@ -19,7 +20,8 @@
         "monochromeImage": "./assets/images/android-icon-monochrome.png"
       },
       "edgeToEdgeEnabled": true,
-      "predictiveBackGestureEnabled": false
+      "predictiveBackGestureEnabled": false,
+      "package": "dev.ksan.etfoglasi"
     },
     "web": {
       "output": "static",
@@ -39,7 +41,9 @@
             "backgroundColor": "#000000"
           }
         }
-      ]
+      ],
+      "@react-native-firebase/app",
+      "@react-native-firebase/messaging"
     ],
     "experiments": {
       "typedRoutes": true,
@@ -47,4 +51,3 @@
     }
   }
 }
-

frontend/app/_layout.tsx

@@ -1,13 +1,62 @@
 import "../globals.css";
-import { Stack } from "expo-router";
+import { useEffect } from 'react';
-import {AuthProvider} from "@/context/AuthContext";
+import { Stack } from 'expo-router';
-import {SafeAreaProvider} from "react-native-safe-area-context";
+import { SafeAreaProvider } from 'react-native-safe-area-context';
+import {
+    getMessaging,
+    onMessage,
+    onNotificationOpenedApp,
+    getInitialNotification,
+} from '@react-native-firebase/messaging';
+import { registerDeviceToken, listenForTokenRefresh } from '@/services/notifications';
+import { AuthProvider, useAuth } from "@/context/AuthContext";
+import Toast from 'react-native-toast-message';
+
+function NotificationSetup() {
+    const { user, loading } = useAuth();
+
+    useEffect(() => {
+        if (loading || !user) return;
+
+        registerDeviceToken(user.token);
+
+        const messaging = getMessaging();
+
+        const unsubRefresh    = listenForTokenRefresh(user.token);
+        const unsubForeground = onMessage(messaging, async (msg) => {
+            console.log('Foreground notification:', msg);
+            Toast.show({
+                type: 'info',
+                text1: msg.notification?.title ?? 'New Notification',
+                position: 'top',
+                visibilityTime: 4000,
+            });
+        });
+
+        onNotificationOpenedApp(messaging, (msg) => {
+            console.log('Opened from background:', msg);
+        });
+
+        getInitialNotification(messaging).then((msg) => {
+            if (msg) console.log('Opened from quit state:', msg);
+        });
+
+        return () => {
+            unsubRefresh();
+            unsubForeground();
+        };
+    }, [user, loading]);
+
+    return null;
+}
 
 export default function RootLayout() {
     return (
         <AuthProvider>
             <SafeAreaProvider>
+                <NotificationSetup />
                 <Stack screenOptions={{ headerShown: false }} />
+                <Toast />
             </SafeAreaProvider>
         </AuthProvider>
     );

frontend/context/AuthContext.tsx

@@ -3,7 +3,7 @@ import AsyncStorage from "@react-native-async-storage/async-storage";
 import {
     authApi,
 
-    LoginPayload, RegisterPayload, subscriptionsApi, UserUpdateDTO,
+    LoginPayload, RegisterPayload, subscriptionsApi, userApi, UserUpdateDTO,
 } from "@/services/api";
 
 type User = {
@@ -11,6 +11,7 @@ type User = {
     email: string;
     token: string;
     subscribedSubjectIds: string[];
+    notificationType: 'PUSH_NOTIFICATION' | 'NO_NOTIFICATION';
 };
 
 type AuthContextValue = {
@@ -23,6 +24,7 @@ type AuthContextValue = {
     unsubscribe: (subjectId: string) => Promise<void>;
     isSubscribed: (subjectId: string) => boolean;
     updateUser: (newEmail?: string, newPassword?: string) => Promise<void>;
+    updateNotificationType: (type: 'PUSH_NOTIFICATION' | 'NO_NOTIFICATION') => Promise<void>;
 };
 
 const AuthContext = createContext<AuthContextValue | null>(null);
@@ -43,17 +45,24 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
         setUser(u);
     };
 
+    const updateNotificationType = async (type: 'PUSH_NOTIFICATION' | 'NO_NOTIFICATION') => {
+        if (!user) return;
+        await userApi.updateNotificationType(type, user.token);
+        await persist({ ...user, notificationType: type });
+    };
+
     const login = async (payload: LoginPayload) => {
         const res = await authApi.login(payload);
-
-        // Gracefully fetch subscriptions — don't block login if this fails
         let subscribedSubjectIds: string[] = [];
+        let notificationType: 'PUSH_NOTIFICATION' | 'NO_NOTIFICATION' = 'PUSH_NOTIFICATION';
+
         if (res.userId) {
             try {
-                const dto = await authApi.getUser( res.token);
+                const dto = await authApi.getUser(res.token);
                 subscribedSubjectIds = dto.subjectSet?.map((s) => s.id) ?? [];
-            } catch {
+                notificationType = dto.notificationType ?? 'PUSH_NOTIFICATION';
-                // aaaa
+            } catch (e) {
+                console.error('Failed to load subscriptions on login:', e);
             }
         }
 
@@ -62,6 +71,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
             email: res.email,
             token: res.token,
             subscribedSubjectIds,
+            notificationType,
         });
     };
 
@@ -116,7 +126,7 @@ export function AuthProvider({ children }: { children: React.ReactNode }) {
         user?.subscribedSubjectIds.includes(subjectId) ?? false;
 
     return (
-        <AuthContext.Provider value={{ user, loading, login, register, logout, subscribe, unsubscribe, isSubscribed, updateUser }}>
+        <AuthContext.Provider value={{ user, loading, login, register, logout, subscribe, unsubscribe, isSubscribed, updateUser, updateNotificationType }}>
             {children}
         </AuthContext.Provider>
     );

frontend/index.tsx

@@ -15,8 +15,9 @@ 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 {getMessaging} from "@firebase/messaging";
+messaging().setBackgroundMessageHandler(async () => {});
 // Must be called before any navigator renders
 enableScreens();
 

frontend/package.json

@@ -1,18 +1,20 @@
 {
-  "name": "etfoglasi-frontend",
+  "name": "etfoglasi",
   "main": "expo-router/entry",
   "version": "1.0.0",
   "scripts": {
     "start": "expo start",
     "reset-project": "node ./scripts/reset-project.js",
-    "android": "expo start --android",
+    "android": "expo run:android",
-    "ios": "expo start --ios",
+    "ios": "expo run:ios",
     "web": "expo start --web",
     "lint": "expo lint"
   },
   "dependencies": {
     "@expo/vector-icons": "^15.0.3",
     "@react-native-async-storage/async-storage": "2.2.0",
+    "@react-native-firebase/app": "^24.0.0",
+    "@react-native-firebase/messaging": "^24.0.0",
     "@react-navigation/bottom-tabs": "^7.4.0",
     "@react-navigation/elements": "^2.6.3",
     "@react-navigation/native": "^7.1.8",
@@ -37,6 +39,7 @@
     "react-native-safe-area-context": "~5.6.0",
     "react-native-screens": "~4.16.0",
     "react-native-tailwindcss": "^1.1.11",
+    "react-native-toast-message": "^2.3.3",
     "react-native-web": "~0.21.0",
     "react-native-worklets": "0.5.1",
     "tailwindcss": "^3.4.18"

frontend/screens/AllFeed.tsx

@@ -1,4 +1,4 @@
-import React, { useState } from "react";
+import React, {useCallback, useState} from "react";
 import {
     View, Text, ScrollView, TouchableOpacity,
     ActivityIndicator, useColorScheme,
@@ -7,6 +7,7 @@ import { SafeAreaView } from "react-native-safe-area-context";
 import { Ionicons } from "@expo/vector-icons";
 import SearchBar from "../components/SearchBar";
 import CollapsibleCategory from "../components/CollapsibleCategory";
+import {useFocusEffect} from "expo-router";
 
 
 const GROUPS = [
@@ -40,6 +41,12 @@ export default function AllFeed() {
         setTimeout(() => setRefreshing(false), 800);
     };
 
+    useFocusEffect(
+        useCallback(() => {
+            handleRefresh();
+        }, [])
+    );
+
     return (
         <SafeAreaView className={`flex-1 ${dark ? "bg-obsidian-200" : "bg-parchment-50"}`}>
             {/* Header */}

frontend/screens/Profile.tsx

@@ -23,6 +23,8 @@ type SettingRowProps = {
     accent?: string;
 };
 
+
+
 function SettingRow({ icon, label, value, toggle, toggleValue, onToggle, onPress, accent }: SettingRowProps) {
     const dark = useColorScheme() === "dark";
     const iconColor = accent ?? (dark ? "#706D67" : "#8A8278");
@@ -149,11 +151,25 @@ function GuestProfile({ onSignIn }: { onSignIn: () => void }) {
 function AuthenticatedProfile({ onSignOut }: { onSignOut: () => void }) {
     const [showSubs, setShowSubs] = useState(false);
     const dark = useColorScheme() === "dark";
-    const { user } = useAuth();
+    const { user, updateNotificationType } = useAuth();
-    const [notifications, setNotifications] = React.useState(true);
+    const [notifications, setNotifications] = useState(
+        user?.notificationType === 'PUSH_NOTIFICATION'
+    );
     const [digest, setDigest] = React.useState(false);
     const [showEdit, setShowEdit] = useState(false);
     const [showHelp, setShowHelp] = useState(false);
+
+    const handleNotificationToggle = async (value: boolean) => {
+        setNotifications(value);
+        try {
+            await updateNotificationType(
+                value ? 'PUSH_NOTIFICATION' : 'NO_NOTIFICATION'
+            );
+        } catch {
+            setNotifications(!value); // revert on failure
+        }
+    };
+
     return (
         <>
             <ScrollView contentContainerStyle={{ paddingBottom: 48 }} showsVerticalScrollIndicator={false}>
@@ -197,13 +213,19 @@ function AuthenticatedProfile({ onSignOut }: { onSignOut: () => void }) {
                 >
                     <SectionLabel title="Notifications" />
                     <SettingRow
-                        icon="notifications-outline" label="Push notifications (TODO)"
+                        icon="notifications-outline"
-                        toggle toggleValue={notifications} onToggle={setNotifications}
+                        label="Push notifications"
+                        toggle
+                        toggleValue={notifications}
+                        onToggle={handleNotificationToggle}
                         accent={dark ? "#E07B45" : "#C4622D"}
                     />
                     <SettingRow
-                        icon="mail-outline" label="Daily digest email (TODO)"
+                        icon="mail-outline"
-                        toggle toggleValue={digest} onToggle={setDigest}
+                        label="Weekly Digest email (TODO)"
+                        toggle
+                        toggleValue={digest}
+                        onToggle={setDigest}
                         accent={dark ? "#5E9EF4" : "#3B7DD8"}
                     />
 
@@ -231,32 +253,21 @@ function AuthenticatedProfile({ onSignOut }: { onSignOut: () => void }) {
                         <Text className="text-sm font-sans font-semibold text-red-500">Sign out</Text>
                     </View>
                 </TouchableOpacity>
-
             </ScrollView>
+
             <Modal visible={showEdit} animationType="slide" presentationStyle="pageSheet" onRequestClose={() => setShowEdit(false)}>
                 <EditProfile onClose={() => setShowEdit(false)} />
             </Modal>
-
             <Modal visible={showHelp} animationType="slide" presentationStyle="pageSheet" onRequestClose={() => setShowHelp(false)}>
                 <HelpSupport onClose={() => setShowHelp(false)} />
             </Modal>
-            <Modal
+            <Modal visible={showSubs} animationType="slide" presentationStyle="pageSheet" onRequestClose={() => setShowSubs(false)}>
-                visible={showSubs}
-                animationType="slide"
-                presentationStyle="pageSheet"
-                onRequestClose={() => setShowSubs(false)}
-            >
                 <ManageSubscriptions onClose={() => setShowSubs(false)} />
             </Modal>
         </>
-
-
     );
-
-
 }
 
-
 export default function Profile() {
     const dark = useColorScheme() === "dark";
     const { user, logout } = useAuth();

frontend/screens/SubscribedFeed.tsx

@@ -9,6 +9,7 @@ import SearchBar from "../components/SearchBar";
 import ExpandableItem from "../components/ExpandableItem";
 import { useAuth } from "../context/AuthContext";
 import { Entry, entriesApi } from "../services/api";
+import {useFocusEffect} from "expo-router";
 
 type SortMode = "time" | "subject";
 
@@ -124,9 +125,14 @@ export default function SubscribedFeed() {
         } finally {
             setLoading(false);
         }
-    }, [user?.subscribedSubjectIds]);
+    }, [user?.subscribedSubjectIds?.join(',')]);
 
-    useEffect(() => { fetchFeed(); }, [fetchFeed]);
+    // Always re-fetch when tab gains focus
+    useFocusEffect(
+        useCallback(() => {
+            fetchFeed();
+        }, [fetchFeed])
+    );
 
     // Filter then group
     const filtered = useMemo(() => {
@@ -249,7 +255,7 @@ export default function SubscribedFeed() {
                         <View className="items-center mt-16 px-8">
                             <Text className="text-4xl mb-3">🔍</Text>
                             <Text className={`text-base font-sans font-semibold text-center ${dark ? "text-ink-dark" : "text-ink-light"}`}>
-                                No results for "{query}"
+                                No results for &#34;{query}&#34;
                             </Text>
                         </View>
                     ) : (

frontend/services/api.tsx

@@ -1,7 +1,7 @@
 
 const BASE_URL = process.env.EXPO_PUBLIC_API_URL; // TODO change this
 
-
+export type NotificationType = 'PUSH_NOTIFICATION' | 'NO_NOTIFICATION';
 function authHeader(token?: string) {
     return token ? { Authorization: `Bearer ${token}` } : {};
 }
@@ -25,7 +25,13 @@ async function request<T>(
         headers: { "Content-Type": "application/json", ...authHeader(token) },
         ...(body ? { body: JSON.stringify(body) } : {}),
     });
-    if (!res.ok) throw new Error(await res.text().catch(() => `HTTP ${res.status}`));
+    if (!res.ok) {
+        const errorText = await res.text().catch(() => `HTTP ${res.status}`);
+        console.log('Failed URL:', res.url);
+        console.log('Status:', res.status);
+        console.log('Response:', errorText);
+        throw new Error(errorText);
+    }
     return res.json();
 }
 
@@ -65,6 +71,7 @@ export type UserDTO = {
     id: string;
     email: string;
     subjectSet: Subject[];
+    notificationType: NotificationType;
 
 };
 
@@ -115,6 +122,12 @@ export const authApi = {
 };
 
 
+export const userApi = {
+    updateNotificationType: (
+        type: 'PUSH_NOTIFICATION' | 'NO_NOTIFICATION',
+        token: string
+    ) => post<void>('/users/me/notification-type', { notificationType: type }, token),
+};
 
 export const subjectsApi = {
     getAll: (token?: string) => get<Subject[]>("/subjects", token),
@@ -135,6 +148,8 @@ export const subscriptionsApi = {
         ),
 };
 
+
+
 export const entriesApi = {
     getEntries: (params: { subjectId?: string; groupName?: string; page?: number }) =>
         get<SpringPage<Entry>>("/entries", undefined, params),

frontend/services/notifications.tsx

@@ -0,0 +1,35 @@
+import {
+    getMessaging,
+    requestPermission,
+    getToken,
+    onTokenRefresh,
+    AuthorizationStatus,
+} from '@react-native-firebase/messaging';
+import { post } from '@/services/api';
+
+export async function registerDeviceToken(authToken: string): Promise<void> {
+    const messaging = getMessaging();
+    const status = await requestPermission(messaging);
+    const granted =
+        status === AuthorizationStatus.AUTHORIZED ||
+        status === AuthorizationStatus.PROVISIONAL;
+
+    if (!granted) return;
+
+    const fcmToken = await getToken(messaging);
+
+    await fetch(`${process.env.EXPO_PUBLIC_API_URL}/device-tokens/register`, {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json',
+            'Authorization': `Bearer ${authToken}`,
+        },
+        body: JSON.stringify({ token: fcmToken }),
+    });
+}
+
+export function listenForTokenRefresh(authToken: string): () => void {
+    return onTokenRefresh(getMessaging(), async (newToken) => {
+        await post('/device-tokens/register', { token: newToken }, authToken);
+    });
+}