Added Dark Mode (Provider) and simple ChatPage (using Firestore as Database).

lib/components/chat_bubble.dart

@@ -0,0 +1,37 @@
+import 'package:cofounderella/themes/theme_provider.dart';
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+
+class ChatBubble extends StatelessWidget {
+  final String message;
+  final bool isCurrentUser;
+
+  const ChatBubble({
+    super.key,
+    required this.message,
+    required this.isCurrentUser,
+  });
+
+  @override
+  Widget build(BuildContext context) {
+    // control bubble color according to light or dark mode
+    bool isDarkMode =
+        Provider.of<ThemeProvider>(context, listen: false).isDarkMode;
+
+    return Container(
+      decoration: BoxDecoration(
+        // TODO check colors for bubbles and text below
+        color: isCurrentUser
+            ? (isDarkMode ? Colors.green.shade600 : Colors.green.shade500)
+            : (isDarkMode ? Colors.grey.shade300 : Colors.grey.shade700),
+        borderRadius: BorderRadius.circular(12),
+      ),
+      padding: const EdgeInsets.all(16.0),
+      margin: const EdgeInsets.symmetric(vertical: 2.5, horizontal: 25),
+      child: Text(
+        message,
+        style: TextStyle(color: isDarkMode ? Colors.white : Colors.black),
+      ),
+    );
+  }
+}

lib/components/my_drawer.dart

@@ -1,4 +1,4 @@
-import 'package:cofounderella/auth/auth_service.dart';
+import 'package:cofounderella/services/auth/auth_service.dart';
 import 'package:cofounderella/pages/settings_page.dart';
 import 'package:flutter/material.dart';
 

lib/components/my_textfield.dart

@@ -2,14 +2,16 @@ import 'package:flutter/material.dart';
 
 class MyTextField extends StatelessWidget {
   final String hintText;
-  final bool hideText;
+  final bool obscureText;
   final TextEditingController controller;
+  final FocusNode? focusNode;
 
   const MyTextField({
     super.key,
     required this.hintText,
-    required this.hideText,
+    required this.obscureText,
     required this.controller,
+    this.focusNode,
   });
 
   @override
@@ -17,8 +19,9 @@ class MyTextField extends StatelessWidget {
     return Padding(
       padding: const EdgeInsets.all(25.0),
       child: TextField(
-        obscureText: hideText,
+        obscureText: obscureText,
         controller: controller,
+        focusNode: focusNode,
         decoration: InputDecoration(
             enabledBorder: OutlineInputBorder(
               borderSide:

lib/components/user_tile.dart

@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+
+class UserTile extends StatelessWidget {
+  final String text;
+  final void Function()? onTap;
+
+  const UserTile({super.key, required this.text, required this.onTap});
+
+  @override
+  Widget build(BuildContext context) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        decoration: BoxDecoration(
+          color: Theme.of(context).colorScheme.secondary,
+          borderRadius: BorderRadius.circular(12),
+        ),
+        margin: const EdgeInsets.symmetric(vertical: 5, horizontal: 25),
+        padding: const EdgeInsets.all(20),
+        child: Row(
+          children: [
+            // icon
+            const Icon(Icons.person),
+
+            const SizedBox(width: 20),
+
+            // user name
+            Text(text),
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/main.dart

@@ -1,10 +1,10 @@
-import 'package:cofounderella/auth/auth_gate.dart';
+import 'package:cofounderella/services/auth/auth_gate.dart';
-import 'package:cofounderella/themes/light_mode.dart';
+import 'package:cofounderella/themes/theme_provider.dart';
 import 'package:flutter/material.dart';
 import 'package:firebase_core/firebase_core.dart';
+import 'package:provider/provider.dart';
 import 'firebase_options.dart';
 
-
 void main() async {
   // Firebase stuff
   WidgetsFlutterBinding.ensureInitialized();
@@ -12,7 +12,12 @@ void main() async {
     options: DefaultFirebaseOptions.currentPlatform,
   );
   // Standard stuff
-  runApp(const MyApp());
+  runApp(
+    ChangeNotifierProvider(
+      create: (context) => ThemeProvider(),
+      child: const MyApp(),
+    ),
+  );
 }
 
 class MyApp extends StatelessWidget {
@@ -24,10 +29,8 @@ class MyApp extends StatelessWidget {
     return MaterialApp(
       debugShowCheckedModeBanner: false,
       title: 'Flutter Demo', // TODO change title
-      theme: lightMode,
+      theme: Provider.of<ThemeProvider>(context).themeData,
       home: const AuthGate(),
     );
   }
 }
-
-

lib/models/message.dart

@@ -0,0 +1,28 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+class Message {
+  final String senderID;
+  final String senderEmail;
+  final String receiverID;
+  final String message;
+  final Timestamp timestamp;
+
+  Message({
+    required this.senderID,
+    required this.senderEmail,
+    required this.receiverID,
+    required this.message,
+    required this.timestamp,
+  });
+
+  // convert to a map
+  Map<String, dynamic> toMap() {
+    return {
+      'senderID': senderID,
+      'senderEmail': senderEmail,
+      'receiverID': receiverID,
+      'message': message,
+      'timestamp': timestamp,
+    };
+  }
+}

lib/pages/chat_page.dart

@@ -0,0 +1,185 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:cofounderella/components/chat_bubble.dart';
+import 'package:cofounderella/components/my_textfield.dart';
+import 'package:cofounderella/services/auth/auth_service.dart';
+import 'package:cofounderella/services/chat/chat_service.dart';
+import 'package:flutter/material.dart';
+
+class ChatPage extends StatefulWidget {
+  final String receiverEmail;
+  final String receiverID;
+
+  const ChatPage({
+    super.key,
+    required this.receiverEmail,
+    required this.receiverID,
+  });
+
+  @override
+  State<ChatPage> createState() => _ChatPageState();
+}
+
+class _ChatPageState extends State<ChatPage> {
+  // text controller
+  final TextEditingController _messageController = TextEditingController();
+
+  // chat and auth services
+  final ChatService _chatService = ChatService();
+  final AuthService _authService = AuthService();
+
+  // for textfield focus
+  FocusNode myFocusNode = FocusNode();
+
+  @override
+  void initState() {
+    super.initState();
+
+    // add listener to focus node
+    myFocusNode.addListener(() {
+      if (myFocusNode.hasFocus) {
+        // cause a delay so that the keyboard has time to show up
+        // then the amount of remaining space will be calculated
+        // then scroll down
+        Future.delayed(
+          const Duration(milliseconds: 500),
+          () => scrollDown(),
+        );
+      }
+    });
+
+    // wait a bit for listview to be built, then scroll to bottom
+    Future.delayed(
+      const Duration(milliseconds: 500),
+      () => scrollDown(),
+    );
+  }
+
+  @override
+  void dispose() {
+    myFocusNode.dispose();
+    _messageController.dispose();
+    super.dispose();
+  }
+
+  // scroll controller
+  final ScrollController _scrollController = ScrollController();
+  void scrollDown() {
+    _scrollController.animateTo(
+      _scrollController.position.maxScrollExtent,
+      duration: const Duration(seconds: 1),
+      curve: Curves.fastOutSlowIn,
+    );
+  }
+
+  void sendMessage() async {
+    // send message if not empty
+    if (_messageController.text.isNotEmpty) {
+      await _chatService.sendMessage(
+          widget.receiverID, _messageController.text);
+
+      // clear text controller
+      _messageController.clear();
+    }
+
+    scrollDown();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text(widget.receiverEmail)),
+      body: Column(
+        children: [
+          // display all messages
+          Expanded(
+            child: _buildMessageList(),
+          ),
+
+          // user input
+          _buildUserInput(),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildMessageList() {
+    String senderID = _authService.getCurrentUser()!.uid;
+    return StreamBuilder(
+      stream: _chatService.getMessages(senderID, widget.receiverID),
+      builder: (context, snapshot) {
+        // errors
+        if (snapshot.hasError) {
+          return Text("Error: ${snapshot.error}");
+        }
+
+        // loading
+        if (snapshot.connectionState == ConnectionState.waiting) {
+          return const Text("Loading..");
+        }
+
+        // return list view
+        return ListView(
+          controller: _scrollController,
+          children:
+              snapshot.data!.docs.map((doc) => _buildMessageItem(doc)).toList(),
+        );
+      },
+    );
+  }
+
+  Widget _buildMessageItem(DocumentSnapshot doc) {
+    Map<String, dynamic> data = doc.data() as Map<String, dynamic>;
+
+    // align message to the right if sender is current user, otherwise left
+    bool isCurrentUser = data['senderID'] == _authService.getCurrentUser()!.uid;
+    var alignment =
+        isCurrentUser ? Alignment.centerRight : Alignment.centerLeft;
+
+    return Container(
+      alignment: alignment,
+      child: Column(
+        crossAxisAlignment:
+            isCurrentUser ? CrossAxisAlignment.end : CrossAxisAlignment.start,
+        children: [
+          ChatBubble(
+            message: data["message"],
+            isCurrentUser: isCurrentUser,
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildUserInput() {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 50.0),
+      child: Row(
+        children: [
+          // text should take up most of space
+          Expanded(
+            child: MyTextField(
+              controller: _messageController,
+              hintText: "Type a message",
+              obscureText: false, // TODO make this optional
+              focusNode: myFocusNode,
+            ),
+          ),
+
+          // send button
+          Container(
+            decoration: const BoxDecoration(
+              color: Colors.green,
+              shape: BoxShape.circle,
+            ),
+            margin: const EdgeInsets.only(right: 25),
+            child: IconButton(
+              onPressed: sendMessage,
+              icon: const Icon(Icons.send),
+              color: Colors.white, // TODO check colors
+            ),
+          )
+        ],
+      ),
+    );
+  }
+}

lib/pages/home_page.dart

@@ -1,91 +1,80 @@
 import 'package:cofounderella/components/my_drawer.dart';
+import 'package:cofounderella/components/user_tile.dart';
+import 'package:cofounderella/services/auth/auth_service.dart';
+import 'package:cofounderella/services/chat/chat_service.dart';
 import 'package:flutter/material.dart';
 
-class MyHomePage extends StatefulWidget {
+import 'chat_page.dart';
-  const MyHomePage({super.key, required this.title});
 
-  // This widget is the home page of your application. It is stateful, meaning
+class HomePage extends StatelessWidget {
-  // that it has a State object (defined below) that contains fields that affect
+  HomePage({super.key});
-  // how it looks.
 
-  // This class is the configuration for the state. It holds the values (in this
+  // chat and auth service
-  // case the title) provided by the parent (in this case the App widget) and
+  final ChatService _chatService = ChatService();
-  // used by the build method of the State. Fields in a Widget subclass are
+  final AuthService _authService = AuthService();
-  // always marked "final".
-
-  final String title;
-
-  @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      // This call to setState tells the Flutter framework that something has
-      // changed in this State, which causes it to rerun the build method below
-      // so that the display can reflect the updated values. If we changed
-      // _counter without calling setState(), then the build method would not be
-      // called again, and so nothing would appear to happen.
-      _counter++;
-    });
-  }
 
   @override
   Widget build(BuildContext context) {
-    // This method is rerun every time setState is called, for instance as done
-    // by the _incrementCounter method above.
-    //
-    // The Flutter framework has been optimized to make rerunning build methods
-    // fast, so that you can just rebuild anything that needs updating rather
-    // than having to individually change instances of widgets.
     return Scaffold(
       appBar: AppBar(
-        // TRY THIS: Try changing the color here to a specific color (to
+        title: const Text("Home"),
-        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
+        // TODO appbar style: remove background and set elevation to 0 ?
-        // change color while the other colors stay the same.
+        backgroundColor: Colors.transparent,
-        backgroundColor: Theme.of(context).colorScheme.primary,
+        foregroundColor: Colors.grey.shade800,
-        // Here we take the value from the MyHomePage object that was created by
+        elevation: 0,
-        // the App.build method, and use it to set our appbar title.
-        title: Text(widget.title),
       ),
       drawer: const MyDrawer(),
-      body: Center(
+      body: _buildUserList(),
-        // Center is a layout widget. It takes a single child and positions it
-        // in the middle of the parent.
-        child: Column(
-          // Column is also a layout widget. It takes a list of children and
-          // arranges them vertically. By default, it sizes itself to fit its
-          // children horizontally, and tries to be as tall as its parent.
-          //
-          // Column has various properties to control how it sizes itself and
-          // how it positions its children. Here we use mainAxisAlignment to
-          // center the children vertically; the main axis here is the vertical
-          // axis because Columns are vertical (the cross axis would be
-          // horizontal).
-          //
-          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
-          // action in the IDE, or press "p" in the console), to see the
-          // wireframe for each widget.
-          mainAxisAlignment: MainAxisAlignment.center,
-          children: <Widget>[
-            const Text(
-              'You have pushed the button this many times:',
-            ),
-            Text(
-              '$_counter',
-              style: Theme.of(context).textTheme.headlineMedium,
-            ),
-          ],
-        ),
-      ),
-      floatingActionButton: FloatingActionButton(
-        onPressed: _incrementCounter,
-        tooltip: 'Increment',
-        child: const Icon(Icons.add),
-      ), // This trailing comma makes auto-formatting nicer for build methods.
     );
   }
+
+  // build a list of users except for the current logged in user
+  Widget _buildUserList() {
+    return StreamBuilder(
+        stream: _chatService.getUsersStream(),
+        builder: (context, snapshot) {
+          // error
+          if (snapshot.hasError) {
+            return const Text("Error");
+          }
+
+          //loading
+          if (snapshot.connectionState == ConnectionState.waiting) {
+            return const Text("Loading..");
+          }
+
+          // return list view
+          return ListView(
+            children: snapshot.data!
+                .map<Widget>(
+                    (userData) => _buildUserListItem(userData, context))
+                .toList(),
+          );
+        });
+  }
+
+  // build individual user list item
+  Widget _buildUserListItem(
+      Map<String, dynamic> userData, BuildContext context) {
+    // display all users except current user
+    if (userData["email"] != _authService.getCurrentUser()!.email) {
+      return UserTile(
+        text: userData["email"],
+        onTap: () {
+          // tapped on a user -> go to chat page // TODO
+          Navigator.push(
+            context,
+            MaterialPageRoute(
+              builder: (context) => ChatPage(
+                receiverEmail: userData["email"],
+                receiverID: userData["uid"],
+              ),
+            ),
+          );
+        },
+      );
+    } else {
+      return Container();
+    }
+  }
 }

lib/pages/login_page.dart

@@ -1,4 +1,4 @@
-import 'package:cofounderella/auth/auth_service.dart';
+import 'package:cofounderella/services/auth/auth_service.dart';
 import 'package:flutter/material.dart';
 import 'package:cofounderella/components/my_button.dart';
 import 'package:cofounderella/components/my_textfield.dart';
@@ -63,7 +63,7 @@ class LoginPage extends StatelessWidget {
           // email textfield
           MyTextField(
             hintText: "E-Mail",
-            hideText: false,
+            obscureText: false,
             controller: _emailController,
           ),
 
@@ -72,7 +72,7 @@ class LoginPage extends StatelessWidget {
           // password textfield
           MyTextField(
             hintText: "Password",
-            hideText: true,
+            obscureText: true,
             controller: _passwordController,
           ),
 
@@ -94,7 +94,7 @@ class LoginPage extends StatelessWidget {
               ),
               GestureDetector(
                 onTap: onTap,
-                child: Text(
+                child: const Text(
                   "Register now",
                   style: TextStyle(
                     fontWeight: FontWeight.bold,

lib/pages/register_page.dart

@@ -1,4 +1,4 @@
-import 'package:cofounderella/auth/auth_service.dart';
+import 'package:cofounderella/services/auth/auth_service.dart';
 import 'package:flutter/material.dart';
 
 import '../components/my_button.dart';
@@ -20,12 +20,12 @@ class RegisterPage extends StatelessWidget {
   // register method
   void register(BuildContext context) {
     // get auth service
-    final _auth = AuthService();
+    final auth = AuthService();
 
     // check if passwords match
     if (_passwordController.text == _confirmPassController.text) {
       try {
-        _auth.signUpWithEmailPassword(
+        auth.signUpWithEmailPassword(
           _emailController.text,
           _passwordController.text,
         );
@@ -76,19 +76,19 @@ class RegisterPage extends StatelessWidget {
           // name text field
           MyTextField(
             hintText: "First Name",
-            hideText: false,
+            obscureText: false,
             controller: _nameController,
           ),
           MyTextField(
             hintText: "Last Name",
-            hideText: false,
+            obscureText: false,
             controller: _lastnameController,
           ),
 
           // email text field
           MyTextField(
             hintText: "E-Mail",
-            hideText: false,
+            obscureText: false,
             controller: _emailController,
           ),
 
@@ -97,13 +97,13 @@ class RegisterPage extends StatelessWidget {
           // password text field
           MyTextField(
             hintText: "Password",
-            hideText: true,
+            obscureText: true,
             controller: _passwordController,
           ),
 
           MyTextField(
             hintText: "Confirm Password",
-            hideText: true,
+            obscureText: true,
             controller: _confirmPassController,
           ),
 

lib/pages/settings_page.dart

@@ -1,4 +1,7 @@
+import 'package:cofounderella/themes/theme_provider.dart';
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
 
 class SettingsPage extends StatelessWidget {
   const SettingsPage({super.key});
@@ -6,9 +9,32 @@ class SettingsPage extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
+      backgroundColor: Theme.of(context).colorScheme.background,
       appBar: AppBar(
         title: const Text("Settings"),
       ),
+      body: Container(
+        decoration: BoxDecoration(
+          color: Theme.of(context).colorScheme.secondary,
+          borderRadius: BorderRadius.circular(12),
+        ),
+        margin: const EdgeInsets.all(25),
+        padding: const EdgeInsets.all(16),
+        child: Row(
+          mainAxisAlignment: MainAxisAlignment.spaceBetween,
+          children: [
+            // dark mode switch
+            const Text("Dark Mode"),
+            CupertinoSwitch(
+              value:
+                  Provider.of<ThemeProvider>(context, listen: false).isDarkMode,
+              onChanged: (value) =>
+                  Provider.of<ThemeProvider>(context, listen: false)
+                      .toggleTheme(),
+            ),
+          ],
+        ),
+      ),
     );
   }
 }

lib/services/auth/auth_gate.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:firebase_auth/firebase_auth.dart';
-import 'package:cofounderella/auth/login_or_register.dart';
+import 'package:cofounderella/services/auth/login_or_register.dart';
 import 'package:cofounderella/pages/home_page.dart';
 
 class AuthGate extends StatelessWidget{
@@ -15,13 +15,11 @@ class AuthGate extends StatelessWidget{
 
           // check if user is logged in or not
           if(snapshot.hasData){
-            return const MyHomePage(title: "MyHomePage Test Title",);
+            return HomePage();
           }
           else {
             return const LoginOrRegister();
           }
-
-
         },
       ),
     );

lib/services/auth/auth_service.dart

@@ -1,8 +1,15 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:firebase_auth/firebase_auth.dart';
 
 class AuthService {
-  // instance of auth
+  // instance of auth and firestore
   final FirebaseAuth _auth = FirebaseAuth.instance;
+  final FirebaseFirestore _firestore = FirebaseFirestore.instance;
+
+  // get current user
+  User? getCurrentUser() {
+    return _auth.currentUser;
+  }
 
   //sign in
   Future<UserCredential> signInWithEmailPassword(String email, password) async {
@@ -11,6 +18,16 @@ class AuthService {
         email: email,
         password: password,
       );
+
+      // save user info if it does not already exist
+      // TODO TESTING - same code snippet as for sign up
+      _firestore.collection("Users").doc(userCredential.user!.uid).set(
+        {
+          'uid': userCredential.user!.uid,
+          'email': email,
+        },
+      );
+
       return userCredential;
     } on FirebaseAuthException catch (e) {
       throw Exception(e.code);
@@ -20,11 +37,21 @@ class AuthService {
   // sign up (register)
   Future<UserCredential> signUpWithEmailPassword(String email, password) async {
     try {
+      // create user
       UserCredential userCredential =
           await _auth.createUserWithEmailAndPassword(
         email: email,
         password: password,
       );
+
+      // save user info in a document
+      _firestore.collection("Users").doc(userCredential.user!.uid).set(
+        {
+          'uid': userCredential.user!.uid,
+          'email': email,
+        },
+      );
+
       return userCredential;
     } on FirebaseAuthException catch (e) {
       throw Exception(e.code);

lib/services/chat/chat_service.dart

@@ -0,0 +1,67 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:cofounderella/models/message.dart';
+import 'package:firebase_auth/firebase_auth.dart';
+
+class ChatService {
+  // get instance of firestore and auth
+  final FirebaseFirestore _firestore = FirebaseFirestore.instance;
+  final FirebaseAuth _auth = FirebaseAuth.instance;
+
+  // get user stream
+  Stream<List<Map<String, dynamic>>> getUsersStream() {
+    return _firestore.collection("Users").snapshots().map((snapshot) {
+      return snapshot.docs.map((doc) {
+        // iterate each user
+        final user = doc.data();
+
+        //return user
+        return user;
+      }).toList();
+    });
+  }
+
+  // send message
+  Future<void> sendMessage(String receiverID, message) async {
+    // get current user info
+    final String currentUserID = _auth.currentUser!.uid;
+    final String currentUserEmail = _auth.currentUser!.email!;
+    final Timestamp timestamp = Timestamp.now();
+
+    // create new message
+    Message newMessage = Message(
+      senderID: currentUserID,
+      senderEmail: currentUserEmail,
+      receiverID: receiverID,
+      message: message,
+      timestamp: timestamp,
+    );
+
+    // construct chat room ID for the two users (sorted to ensure uniqueness)
+    List<String> ids = [currentUserID, receiverID];
+    ids.sort(); // sort to ensure the chatroomID is the same for any 2 users
+    String chatRoomID = ids.join('_');
+
+    // add new message to  database
+    await _firestore
+        .collection("chat_rooms")
+        .doc(chatRoomID)
+        .collection("messages")
+        .add(newMessage.toMap());
+  }
+
+  // get messages
+  Stream<QuerySnapshot> getMessages(String userID, otherUserID) {
+    // TODO create chat room ID -- same code snippet as above
+    // construct chat room ID for the two users (sorted to ensure uniqueness)
+    List<String> ids = [userID, otherUserID];
+    ids.sort(); // sort to ensure the chatroomID is the same for any 2 users
+    String chatRoomID = ids.join('_');
+
+    return _firestore
+        .collection("chat_rooms")
+        .doc(chatRoomID)
+        .collection("messages")
+        .orderBy("timestamp", descending: false)
+        .snapshots();
+  }
+}

lib/themes/theme_provider.dart

@@ -0,0 +1,23 @@
+import 'package:cofounderella/themes/dark_mode.dart';
+import 'package:cofounderella/themes/light_mode.dart';
+import 'package:flutter/material.dart';
+
+class ThemeProvider extends ChangeNotifier {
+  ThemeData _themeData = lightMode;
+
+  ThemeData get themeData => _themeData;
+
+  bool get isDarkMode => _themeData == darkMode;
+  set themeData(ThemeData themeData) {
+    _themeData = themeData;
+    notifyListeners();
+  }
+
+  void toggleTheme() {
+    if(_themeData == lightMode) {
+      themeData = darkMode;
+    } else {
+      themeData = lightMode;
+    }
+  }
+}

pubspec.yaml

@@ -37,6 +37,8 @@ dependencies:
   cupertino_icons: ^1.0.6
   firebase_core: ^2.30.1
   firebase_auth: ^4.19.4
+  cloud_firestore: ^4.17.2
+  provider: ^6.1.2
 
 dev_dependencies:
   flutter_test: