Initial

2025-07-10 18:52:04 -05:00
commit e0a41761ec
166 changed files with 8444 additions and 0 deletions
--- a/lib/BlindMasterScreens/Startup/login_screen.dart
+++ b/lib/BlindMasterScreens/Startup/login_screen.dart
@@ -0,0 +1,126 @@
+import 'package:blind_master/BlindMasterResources/secure_transmissions.dart';
+import 'package:blind_master/BlindMasterScreens/Startup/create_user_screen.dart';
+import 'package:blind_master/BlindMasterScreens/home_screen.dart';
+import 'package:blind_master/BlindMasterResources/error_snackbar.dart';
+import 'package:blind_master/BlindMasterResources/fade_transition.dart';
+import 'package:blind_master/BlindMasterResources/text_inputs.dart';
+import 'package:blind_master/BlindMasterResources/title_text.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
+
+import 'dart:convert';
+
+import 'package:flutter/material.dart';
+
+class LoginScreen extends StatefulWidget {
+  const LoginScreen({super.key});
+
+  @override
+  State<LoginScreen> createState() => _LoginScreenState();
+}
+
+class _LoginScreenState extends State<LoginScreen> {
+  final emailController = TextEditingController();
+  final passwordController = TextEditingController();
+
+  bool inputWrong = false;
+
+  @override
+  void initState() {
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    // Clean up the controller when the widget is removed from the
+    // widget tree.
+    emailController.dispose();
+    passwordController.dispose();
+    super.dispose();
+  }
+
+  Future<void> attemptSignIn() async {
+    final email = emailController.text.trim();
+    final password = passwordController.text;
+
+    final payload = { 
+      'email': email,
+      'password': password,
+    }; // query parameters
+
+    try {
+      final response = await regularPost(payload, 'login');
+      if (response.statusCode != 200) {
+        if (response.statusCode == 400) {throw Exception('Email and Password Necessary');}
+        else if (response.statusCode == 500) {throw Exception('Server Error');}
+        else {throw Exception('Incorrect email or password');}
+      }
+
+      final body = json.decode(response.body) as Map<String, dynamic>;
+      final token = body['token'] as String;
+
+      if (token.isEmpty) throw Exception('Token Not Received');
+      final storage = FlutterSecureStorage();
+      await storage.write(key: 'token', value: token);
+
+    } catch(e) {
+      if (!mounted) return;
+      ScaffoldMessenger.of(context).clearSnackBars();
+      ScaffoldMessenger.of(context).showSnackBar(
+        errorSnackbar(e)
+      );
+      return;
+    }
+
+    if (!mounted) return;
+    Navigator.pushReplacement(
+      context,
+      fadeTransition(HomeScreen()),
+    );
+  }
+
+  void switchToCreate() {
+    Navigator.push(
+      context,
+      MaterialPageRoute(builder: (context) => CreateUserScreen()),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      body: Container(
+        color: Theme.of(context).primaryColorLight,
+        child: Column(
+          mainAxisAlignment: MainAxisAlignment.center,
+          children: [
+            TitleText("BlindMaster"),
+            Container(
+              padding: EdgeInsets.fromLTRB(40, 10, 40, 10),
+              child: Column(
+                children: [
+                  BlindMasterMainInput("Email", controller: emailController),
+                  BlindMasterMainInput("Password", controller: passwordController, password: true,),
+                ],
+              ),
+            ),
+            Container(
+              padding: EdgeInsets.only(bottom:10),
+              child: ElevatedButton(
+                onPressed: attemptSignIn, 
+                child: Text(
+                  "Log In"
+                ),
+              )
+            ),
+            ElevatedButton(
+              onPressed: switchToCreate, 
+              child: Text(
+                "Create Account"
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+}