Start implementing screens for registering and logging in

lib/Constants.dart

@@ -7,7 +7,7 @@ class Constants {
   static const TITLEBAR_COLOR = Color.fromARGB(255, 97, 0, 0);
   static const DRAWER_COLOR = Color.fromARGB(148, 0, 97, 97);
 
-  static const VERSION = "1.0.051524.1602";
+  static const VERSION = "1.0.051524.1622";
   static const COPYRIGHT = "Copyright 2024 - Tara Piccari. All rights Reserved";
   static const CLIENTPSK =
       "f5c6caf3efe1ec5aa4b7c572f92aa14782b7be34b4c7844fa9c6d47fdf94246";

lib/Packets.dart

@@ -89,13 +89,30 @@ class C2SPerformSetupPacket implements IPacket {
 class S2CPongPacket implements IPacket {
   final String PSK;
   final bool authorized;
+  final String user;
+  final String displayName;
+  final bool loggedIn;
+  final int totalUsers;
 
-  S2CPongPacket({required this.PSK, required this.authorized});
+  S2CPongPacket(
+      {required this.PSK,
+      required this.authorized,
+      required this.user,
+      required this.displayName,
+      required this.loggedIn,
+      required this.totalUsers});
 
   @override
   String encode() {
-    return json
-        .encode({"psk": PSK, "autorized": authorized, "type": getType()});
+    return json.encode({
+      "psk": PSK,
+      "authorized": authorized,
+      "type": getType(),
+      "login": loggedIn,
+      "user": user,
+      "display_name": displayName,
+      "user_count": totalUsers
+    });
   }
 
   @override
@@ -112,7 +129,12 @@ class S2CPongPacket implements IPacket {
     var map = json.decode(params);
 
     return S2CPongPacket(
-        PSK: map['psk'] as String, authorized: map['authorized'] as bool);
+        PSK: map['psk'] as String,
+        authorized: map['authorized'] as bool,
+        user: map['user'] as String,
+        displayName: map['display_name'] as String,
+        loggedIn: map['login'] as bool,
+        totalUsers: map['user_count'] as int);
   }
 }
 

lib/Settings.dart

@@ -51,6 +51,11 @@ class Settings {
   String PSK =
       ""; // This is not saved anywhere it is discarded when the application is unloaded.
 
+  bool loggedIn = false;
+  String userName = "";
+  String displayName = "";
+  int totalGridUsers = 0;
+
   void setServices(Map<String, dynamic> js) {
     var protocol = js['api']['protocol'] as String;
     var port = js['api']['port'] as int;

lib/pages/OpenSim.dart

@@ -34,8 +34,13 @@ class OpenSimPageState extends State<OpenSimPage> {
       settings.OpenSimSetupCompleted = false;
     }
 
-    var pong =
-        await settings.sendPacketToEndpoint(APIEndpoint.Ping, NullPacket());
+    var pong = await settings.sendPacketToEndpoint(
+        APIEndpoint.Ping, NullPacket()) as S2CPongPacket;
+
+    settings.loggedIn = pong.loggedIn;
+    settings.userName = pong.user;
+    settings.displayName = pong.displayName;
+    settings.totalGridUsers = pong.totalUsers;
 
     setState(() {});
   }
@@ -58,8 +63,32 @@ class OpenSimPageState extends State<OpenSimPage> {
               padding: const EdgeInsets.all(8),
               child: SingleChildScrollView(
                 child: settings.OpenSimSetupCompleted
-                    ? const Column(
-                        children: [],
+                    ? Column(
+                        children: [
+                          ListTile(
+                            title: Text(
+                              "There are ${settings.totalGridUsers} users registered with this grid",
+                              textAlign: TextAlign.center,
+                            ),
+                          ),
+                          ListTile(
+                            title: Text(settings.loggedIn
+                                ? "Welcome, ${settings.displayName}"
+                                : "You are not currently logged in"),
+                          ),
+                          settings.loggedIn
+                              ? SizedBox()
+                              : Center(
+                                  child: Row(
+                                  children: [
+                                    ElevatedButton(
+                                        onPressed: () {}, child: Text("Login")),
+                                    ElevatedButton(
+                                        onPressed: () {},
+                                        child: Text("Register Account"))
+                                  ],
+                                ))
+                        ],
                       )
                     : Column(
                         children: [
@@ -145,6 +174,8 @@ class OpenSimPageState extends State<OpenSimPage> {
                                   settings.OpenSimSetupCompleted = false;
                                 }
 
+                                didChangeDependencies();
+
                                 setState(() {});
                               },
                               child: const Text("Submit"))

php/Ping.php

@@ -7,6 +7,11 @@ $js = getJsonizedInput();
 $psk = "";
 $allow=false;
 
+$user = "";
+$display_name = "";
+$logged_in = false;
+$totalUsers = 0;
+
 if(!defined("CLIENTPSK")) {
     $allow=true;
 } else {
@@ -15,16 +20,33 @@ if(!defined("CLIENTPSK")) {
         // Authorized. Send the PSK value to the client
         $allow=true;
         $psk = PSK;
+
+        // Check session
+        if(isset($_SESSION['login'])) {
+            $logged_in = true;
+            $user = $_SESSION['user'];
+            $display_name = $_SESSION['display_name'];
+        }
     }else {
         $allow=false;
     }
 
+    $DB = get_DB();
+    // Query total number of users
+    $res = $DB->query("SELECT * FROM auth;");
+    $totalUsers = $res->num_rows;
+
+    $DB->close();
 }
 
 $ret = array(
     "type" => "S2CPong",
     "authorized" => $allow,
-    "psk" => $psk
+    "user" => $user,
+    "display_name" => $display_name,
+    "psk" => $psk,
+    "login" => $logged_in,
+    "user_count" => $totalUsers
 );
 
 die(json_encode($ret));