feat: implementing login persistence

lib/routes.dart

@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 
 import 'src/ui/home/home.dart';
 import "src/ui/login/welcome.dart";
+import "src/services/login_manager.dart";
 import 'themer.dart';
 
 class Routes {
@@ -11,13 +12,30 @@ class Routes {
   };
 
   final theme = buildTheme();
+  final loginManager = LoginManager();
 
   Routes() {
-    runApp(MaterialApp(
-      title: "Beep",
-      theme: theme,
-      routes: routes,
-      home: Welcome(),
-    ));
+    checkIfLogin();
+  }
+
+  checkIfLogin() async {
+    final authToken = await loginManager.getToken();
+    print(authToken);
+
+    if (authToken != "") {
+      runApp(MaterialApp(
+        title: "Beep",
+        theme: theme,
+        routes: routes,
+        home: Home(),
+      ));
+    } else {
+      runApp(MaterialApp(
+        title: "Beep",
+        theme: theme,
+        routes: routes,
+        home: Welcome(),
+      ));
+    }
   }
 }

lib/src/ui/login/welcome.dart

@@ -1,6 +1,7 @@
 import "package:flutter/material.dart";
 
 import "../../services/login_manager.dart";
+import "../../services/conversation_manager.dart";
 import "./widgets/welcome_page.dart";
 import "./widgets/login_page.dart";
 import "./widgets/otp_page.dart";
@@ -50,7 +51,9 @@ class Welcome extends StatelessWidget {
                   case "welcome/otp":
                     builder = (BuildContext _) =>
                         OtpPage(buttonCallback: (String otp) async {
-                          // loginManager.processOtp(otp); disabled for testing
+                          final authToken = await loginManager.processOtp(otp);
+
+                          await ConversationManager.init(authToken);
                           Navigator.of(context).pushReplacementNamed("/home");
                         });
                     break;

lib/src/ui/login/widgets/login_page.dart

@@ -3,7 +3,6 @@ import "package:flutter_svg/flutter_svg.dart";
 
 import "../../widgets/text_button.dart";
 import "../../../services/login_manager.dart";
-import "../../../services/conversation_manager.dart";
 import "phone_input.dart";
 
 class LoginPage extends StatefulWidget {
@@ -55,13 +54,9 @@ class _LoginPageState extends State<LoginPage> {
           TextButton(
               text: "Continue",
               onClickCallback: () async {
-                final authToken =
-                    await widget.loginManager.loginTest(controller.text);
-
-                // Waiting for initialization
-                await ConversationManager.init(authToken);
-                print(authToken);
-
+                print(await widget.loginManager.getToken());
+                await widget.loginManager
+                    .initAuthentication("+65${controller.text}");
                 Navigator.pushNamed(context, 'welcome/otp');
               }),
         ]));

lib/src/ui/login/widgets/otp_page.dart

@@ -47,8 +47,18 @@ class _OtpPageState extends State<OtpPage> {
                     child: Center(
                         child: PinCodeTextField(
                             controller: controller,
+                            maxLength: 6,
                             highlight: true,
+                            autofocus: true,
                             highlightColor: Colors.white,
+                            onTextChanged: (text) {},
+                            onDone: (text) {
+                              widget.buttonCallback(text);
+                            },
+                            pinBoxHeight:
+                                (MediaQuery.of(context).size.width / 6) - 15,
+                            pinBoxWidth:
+                                (MediaQuery.of(context).size.width / 6) - 15,
                             /*hideCharacter: true,*/
                             pinBoxDecoration: (Color color) {
                               return BoxDecoration(