From 15b6415af9a4df9cd26371087743ee1acaf30982 Mon Sep 17 00:00:00 2001
From: vivjamba <85517762+vivjamba@users.noreply.github.com>
Date: Fri, 16 Jul 2021 21:53:10 -0400
Subject: [PATCH] Login/Signup Page with Firebase Auth Added

---
 lib/login.dart | 104 +++++++++++++++++++++++++++++++++++++++++++++++++
 lib/main.dart  |   8 +++-
 pubspec.yaml   |   2 +-
 3 files changed, 111 insertions(+), 3 deletions(-)

diff --git a/lib/login.dart b/lib/login.dart
index e69de29..91ff1a2 100644
--- a/lib/login.dart
+++ b/lib/login.dart
@@ -0,0 +1,104 @@
+import 'package:firebase_auth/firebase_auth.dart';
+import 'package:firebase_core/firebase_core.dart';
+import 'package:flutter/material.dart';
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+import 'destinationpage.dart';
+
+class LoginPage extends StatefulWidget {
+  @override
+  _LoginPageState createState() => _LoginPageState();
+}
+
+class _LoginPageState extends State<LoginPage> {
+  // Initialize FlutterFire
+  var emailController = TextEditingController();
+  var passwordController = TextEditingController();
+  var nameController = TextEditingController();
+  var schoolController = TextEditingController();
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Center(
+        child: Container(
+          margin: const EdgeInsets.only(left: 20.0, right: 20.0),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.center,
+            children: [
+              Text("Login/Signup",
+                  style: TextStyle(
+                    color: Colors.lightBlueAccent,
+                    fontSize: 50.0,
+                  )
+              ),
+              Container(
+                margin: const EdgeInsets.only(top: 20.0, bottom: 5),
+                child: TextField(
+                  controller: emailController,
+                  obscureText: false,
+                  decoration: InputDecoration(
+                    border: OutlineInputBorder(),
+                    labelText: 'Email',
+                  ),
+                ),
+              ),
+              Container(
+                margin: const EdgeInsets.only(top: 5, bottom: 20.0),
+                child: TextField(
+                  controller: passwordController,
+                  obscureText: true,
+                  decoration: InputDecoration(
+                    border: OutlineInputBorder(),
+                    labelText: 'Password',
+                  ),
+                ),
+              ),
+              RaisedButton(
+                color: Colors.lightBlueAccent,
+                child: Text("Log In!"),
+                onPressed: () async {
+
+                  //Test code to print contents of controllers
+                  // print(emailController.text);
+                  // print(passwordController.text);
+
+                  try {
+                    await FirebaseAuth.instance.signInWithEmailAndPassword(
+                        email: emailController.text,
+                        password: passwordController.text
+                    );
+                    print('Login successful!');
+                    Navigator.push(
+                      context,
+                      MaterialPageRoute(builder: (context) => DestinationPage(title: 'Saved Destinations')),
+                    );
+                  } on FirebaseAuthException catch  (e) {
+                    print('Login Failed. Error code: ${e.code}');
+                    print(e.message);
+                  }
+                },
+              ),
+              RaisedButton(
+                child: Text("Sign Up!"),
+                color: Colors.lightBlueAccent,
+                onPressed: () async {
+                  try {
+                    await FirebaseAuth.instance.createUserWithEmailAndPassword(
+                        email: emailController.text,
+                        password: passwordController.text
+                    );
+                    print('Account created!');
+                  } on FirebaseAuthException catch  (e) {
+                    print('Signup Failed. Error code: ${e.code}');
+                    print(e.message);
+                  }
+                }
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+}
\ No newline at end of file
diff --git a/lib/main.dart b/lib/main.dart
index e0b9052..d27d85b 100644
--- a/lib/main.dart
+++ b/lib/main.dart
@@ -1,7 +1,11 @@
+import 'package:firebase_core/firebase_core.dart';
 import 'package:flutter/material.dart';
 import 'destinationpage.dart';
+import 'login.dart';
 
-void main() {
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  await Firebase.initializeApp();
   runApp(MyApp());
 }
 
@@ -23,7 +27,7 @@ class MyApp extends StatelessWidget {
         // is not restarted.
         primarySwatch: Colors.blue,
       ),
-      home: MyHomePage(title: 'Flutter Demo Home Page'),
+      home: LoginPage(),//MyHomePage(title: 'Flutter Demo Home Page'),
     );
   }
 }
diff --git a/pubspec.yaml b/pubspec.yaml
index 05a7fb3..5c6ba5f 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -24,10 +24,10 @@ dependencies:
   flutter:
     sdk: flutter
   #dependencies for firebase (auth and firestore)
-  firebase_core: "^1.4.0"
   cloud_firestore: ^1.0.0 # new
   firebase_auth: ^1.0.0   # new
   provider: ^5.0.0        # new
+  firebase_core : # newer
   english_words: ^4.0.0
   google_fonts: ^2.0.0