From ebe33abf697ba407857f5102d3013f814cd227af Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Iv=C3=A1n=20Szab=C3=B3?= <ivan.szabo.sis@gmail.com>
Date: Mon, 24 Mar 2025 14:02:25 +0100
Subject: [PATCH] Login, NFCWaiter

---
 .../CheckPoints/CheckPointsPage.xaml          |  46 ++++---
 .../CheckPoints/CheckPointsPage.xaml.cs       |   7 +-
 .../Pages/CheckList/CheckListPage.xaml.cs     |  23 ++--
 .../Pages/NFC/NFCWaiter.xaml                  |  12 ++
 .../Pages/NFC/NFCWaiter.xaml.cs               | 117 ++++++++++++++++++
 .../Pages/Security/LoginPage.xaml             |  86 +++++++++----
 .../Pages/Security/LoginPage.xaml.cs          |   3 +
 .../Resources/Splash/splash.svg               |  13 +-
 .../Services/Interfaces/ISyncService.cs       |   5 +
 .../Services/SyncService.cs                   |  53 +++++++-
 .../WorkFlowCheck.MAUI.csproj                 |   5 +-
 11 files changed, 308 insertions(+), 62 deletions(-)
 create mode 100644 src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml
 create mode 100644 src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml.cs

diff --git a/src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml b/src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml
index c28431b..cca35a4 100644
--- a/src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml
+++ b/src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml
@@ -3,26 +3,34 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="WorkFlowCheck.MAUI.Pages.BaseStock.CheckPointsPage"
              Title="Ellenőrzési pontok">
-    <RefreshView x:Name="refreshView" Command="{Binding RefreshCommand}" IsRefreshing="{Binding IsRefreshing}">
-        <CollectionView x:Name="CheckPointsList">
-            <CollectionView.ItemTemplate>
-                <DataTemplate>
-                    <Frame BorderColor="Gray" Padding="10" Margin="5" HasShadow="True" BackgroundColor="WhiteSmoke">
-                        <StackLayout>
-                            <Label Text="{Binding ShortName}" FontSize="16" FontAttributes="Bold" />
-                            <Label Text="{Binding Code}" FontSize="14" />
-                            <HorizontalStackLayout HorizontalOptions="End">
-                                <Button Text="Edit" Margin="5,0,0,0"
+    <StackLayout>
+        <Button
+            x:Name="ButtonSync" Margin="5"
+            Text="Adatok szinkronizálása" 
+            SemanticProperties.Hint="Adatok szinkronizálása"
+            Clicked="OnButtonSync"
+            HorizontalOptions="Fill" />
+        <RefreshView x:Name="refreshView" Command="{Binding RefreshCommand}" IsRefreshing="{Binding IsRefreshing}">
+            <CollectionView x:Name="CheckPointsList">
+                <CollectionView.ItemTemplate>
+                    <DataTemplate>
+                        <Frame BorderColor="Gray" Padding="10" Margin="5" HasShadow="True" BackgroundColor="WhiteSmoke">
+                            <StackLayout>
+                                <Label Text="{Binding ShortName}" FontSize="16" FontAttributes="Bold" />
+                                <Label Text="{Binding Code}" FontSize="14" />
+                                <HorizontalStackLayout HorizontalOptions="End">
+                                    <Button Text="Edit" Margin="5,0,0,0"
                                     Command="{Binding BindingContext.EditCommand, Source={x:Reference CheckPointsList}}" 
                                     CommandParameter="{Binding .}" />
-                                <Button Text="Pair" Margin="5,0,0,0"
+                                    <Button Text="Pair" Margin="5,0,0,0"
                                     Command="{Binding BindingContext.PairCommand, Source={x:Reference CheckPointsList}}" 
-                                    CommandParameter="{Binding .}" />   
-                            </HorizontalStackLayout>
-                        </StackLayout>
-                    </Frame>
-                </DataTemplate>
-            </CollectionView.ItemTemplate>
-        </CollectionView>
-    </RefreshView>
+                                    CommandParameter="{Binding .}" />
+                                </HorizontalStackLayout>
+                            </StackLayout>
+                        </Frame>
+                    </DataTemplate>
+                </CollectionView.ItemTemplate>
+            </CollectionView>
+        </RefreshView>
+    </StackLayout>
 </ContentPage>
\ No newline at end of file
diff --git a/src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml.cs b/src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml.cs
index b22bc55..d0aaa32 100644
--- a/src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml.cs
+++ b/src/WorkFlowCheck.MAUI/Pages/BaseStock/CheckPoints/CheckPointsPage.xaml.cs
@@ -59,7 +59,10 @@ public partial class CheckPointsPage : ContentPage
         Shell.Current.GoToAsync("//BaseStockPage");
         return true;
     }
-
+    private void OnButtonSync(object sender, EventArgs e)
+    {
+        _syncService.SyncCheckPointsUp();
+    }
     #region NFC
     bool _eventsAlreadySubscribed = false;
     CheckPointDTO _checkPointDTO = null;
@@ -75,7 +78,7 @@ public partial class CheckPointsPage : ContentPage
         }
         catch (Exception ex)
         {
-
+            
         }
     }
     async Task EndListening()
diff --git a/src/WorkFlowCheck.MAUI/Pages/CheckList/CheckListPage.xaml.cs b/src/WorkFlowCheck.MAUI/Pages/CheckList/CheckListPage.xaml.cs
index d0647d8..a0247f7 100644
--- a/src/WorkFlowCheck.MAUI/Pages/CheckList/CheckListPage.xaml.cs
+++ b/src/WorkFlowCheck.MAUI/Pages/CheckList/CheckListPage.xaml.cs
@@ -1,5 +1,7 @@
+using System.Diagnostics;
 using System.Windows.Input;
 using WorkFlowCheck.Common.DTO;
+using WorkFlowCheck.MAUI.Pages.NFC;
 using WorkFlowCheck.MAUI.Services.Interfaces;
 
 namespace WorkFlowCheck.MAUI.Pages.CheckList;
@@ -13,10 +15,10 @@ public partial class CheckListPage : ContentPage
     public ICommand ContinueCommand { get; set; }
 
     public CheckListPage()
-	{
-		InitializeComponent();
+    {
+        InitializeComponent();
         _checkListService = MauiProgram.ServiceProvider.GetRequiredService<ICheckListService>();
-        _userService = MauiProgram.ServiceProvider.GetRequiredService<IUserService>();  
+        _userService = MauiProgram.ServiceProvider.GetRequiredService<IUserService>();
 
     }
     protected override bool OnBackButtonPressed()
@@ -29,18 +31,23 @@ public partial class CheckListPage : ContentPage
         base.OnAppearing();
         NewCommand = new Command<CheckListTemplateHeaderDTO>(OnNewItem);
         ContinueCommand = new Command<CheckListHeaderDTO>(OnContinueItem);
+        BindingContext = this;
         await LoadCheckListTemplate();
         await LoadCheckList();
     }
     private async void OnNewItem(CheckListTemplateHeaderDTO checkListTemplateHeaderDTO)
-    {
-        
-        //await Navigation.PushAsync(new CheckPointEditPage(checkPointDTO));
-    }
-    private async void OnContinueItem(CheckListHeaderDTO checkListTemplateHeaderDTO)
     {
 
         //await Navigation.PushAsync(new CheckPointEditPage(checkPointDTO));
+    }
+    private async void OnContinueItem(CheckListHeaderDTO checkListHeaderDTO)
+    {
+        var taskCompletionSource = new TaskCompletionSource<string>();
+        await Navigation.PushAsync(new NFCWaiter(taskCompletionSource));
+        var result = await taskCompletionSource.Task;
+
+        
+
     }
     private async Task LoadCheckListTemplate()
     {
diff --git a/src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml b/src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml
new file mode 100644
index 0000000..aadced6
--- /dev/null
+++ b/src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="WorkFlowCheck.MAUI.Pages.NFC.NFCWaiter"
+             Title="NFCWaiter">
+    <VerticalStackLayout>
+        <Label 
+            Text="Várakozás az NFC beolvasásra ..."
+            VerticalOptions="Center" 
+            HorizontalOptions="Center" />
+    </VerticalStackLayout>
+</ContentPage>
\ No newline at end of file
diff --git a/src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml.cs b/src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml.cs
new file mode 100644
index 0000000..2546270
--- /dev/null
+++ b/src/WorkFlowCheck.MAUI/Pages/NFC/NFCWaiter.xaml.cs
@@ -0,0 +1,117 @@
+using Plugin.NFC;
+using System.Collections.ObjectModel;
+
+namespace WorkFlowCheck.MAUI.Pages.NFC;
+
+public partial class NFCWaiter : ContentPage
+{
+
+    private bool _eventsAlreadySubscribed = false;
+    private bool _onReceiveing = false;
+    private TaskCompletionSource<string> _taskCompletionSource;
+
+    public NFCWaiter(TaskCompletionSource<string> taskCompletionSource)
+    {
+        InitializeComponent();
+        _taskCompletionSource = taskCompletionSource;
+    }
+    protected override async void OnAppearing()
+    {
+        base.OnAppearing();
+
+        CrossNFC.Legacy = false;
+        if (CrossNFC.IsSupported)
+        {
+            if (!CrossNFC.Current.IsAvailable)
+                await ShowAlert("NFC is not available");
+
+            if (!CrossNFC.Current.IsEnabled)
+                await ShowAlert("NFC is disabled");
+
+            await AutoStartAsync().ConfigureAwait(false);
+        }
+        else
+        {
+            await ShowAlert("NFC is not available");
+        }
+
+    }
+    async Task AutoStartAsync()
+    {
+        // Some delay to prevent Java.Lang.IllegalStateException "Foreground dispatch can only be enabled when your activity is resumed" on Android
+        await Task.Delay(500);
+        await StartListeningIfNotiOS();
+    }
+    async Task StartListeningIfNotiOS()
+    {
+
+        await BeginListening();
+    }
+    async Task BeginListening()
+    {
+        try
+        {
+            MainThread.BeginInvokeOnMainThread(() =>
+            {
+                SubscribeEvents();
+                CrossNFC.Current.StartListening();
+            });
+        }
+        catch (Exception ex)
+        {
+            await ShowAlert(ex.Message);
+        }
+    }
+    async Task EndListening()
+    {
+        try
+        {
+            MainThread.BeginInvokeOnMainThread(() =>
+            {
+                UnsubscribeEvents();
+                CrossNFC.Current.StopPublishing();
+                CrossNFC.Current.StopListening();
+
+            });
+        }
+        catch (Exception ex)
+        {
+            await ShowAlert(ex.Message);
+        }
+    }
+    void SubscribeEvents()
+    {
+        if (_eventsAlreadySubscribed)
+            UnsubscribeEvents();
+
+        _eventsAlreadySubscribed = true;
+
+        CrossNFC.Current.OnMessageReceived += Current_OnMessageReceived_NFCData;
+
+
+    }
+    void UnsubscribeEvents()
+    {
+        CrossNFC.Current.OnMessageReceived -= Current_OnMessageReceived_NFCData;
+        _eventsAlreadySubscribed = false;
+    }
+    async void Current_OnMessageReceived_NFCData(ITagInfo tagInfo)
+    {
+        _onReceiveing = true;
+        if (tagInfo == null)
+        {
+            await ShowAlert("No tag found");
+            _onReceiveing = false;
+            return;
+        }
+
+        // Customized serial number
+        var identifier = tagInfo.Identifier;
+        var serialNumber = NFCUtils.ByteArrayToHexString(identifier, ":");
+        _taskCompletionSource.TrySetResult(serialNumber);
+        await EndListening();
+        await Navigation.PopAsync();
+        _onReceiveing = false;
+    }
+    Task ShowAlert(string message, string title = null) => DisplayAlert(string.IsNullOrWhiteSpace(title) ? "NFC olvasás" : title, message, "OK");
+}
\ No newline at end of file
diff --git a/src/WorkFlowCheck.MAUI/Pages/Security/LoginPage.xaml b/src/WorkFlowCheck.MAUI/Pages/Security/LoginPage.xaml
index 9c7c4d9..c70388d 100644
--- a/src/WorkFlowCheck.MAUI/Pages/Security/LoginPage.xaml
+++ b/src/WorkFlowCheck.MAUI/Pages/Security/LoginPage.xaml
@@ -1,27 +1,69 @@
 <?xml version="1.0" encoding="utf-8" ?>
 <ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
-             xmlns:dx="http://schemas.devexpress.com/maui"
              x:Class="WorkFlowCheck.MAUI.Pages.Security.LoginPage"
              Title="Bejelentkezés"
-             >
-    <StackLayout Padding="20" VerticalOptions="Center">
-        <Entry x:Name="UsernameEntry" Placeholder="Felhasználói név" />
-        <Entry x:Name="PasswordEntry" Placeholder="PIN kód" IsPassword="True" Keyboard="Numeric"/>
-        <!--<dx:PasswordEdit
-                Text="{Binding Password, Mode=TwoWay}"
-                HasError="{Binding PasswordHasError}"
-                LabelText="Password"
-                HelpText="*Required"
-                Keyboard="Numeric"
-                ErrorText="The password should contain more than 5 characters, 
-                    have at least one uppercase and one lowercase letter, and one number."
-                PlaceholderText="Enter password"/>-->
-        <Button x:Name="LoginBtn" Text="Bejelentkezés" Clicked="OnLoginClicked" />
-        <ActivityIndicator x:Name="LoadingIndicator" 
-                           IsRunning="False" 
-                           IsVisible="False"
-                           VerticalOptions="Center" 
-                           HorizontalOptions="Center" />
-    </StackLayout>
-</ContentPage>
\ No newline at end of file
+             BackgroundColor="#f0f0f0">
+
+    <ScrollView>
+        <Grid>
+            <Grid.RowDefinitions>
+                <RowDefinition Height="*" />
+                <RowDefinition Height="Auto" />
+                <RowDefinition Height="*" />
+            </Grid.RowDefinitions>
+
+            <!-- Középen lévő kártya, ami mobilon is jól mutat, tableten pedig középen marad -->
+            <Frame Grid.Row="1"
+                   BackgroundColor="White"
+                   BorderColor="#cccccc"
+                   CornerRadius="20"
+                   Padding="30"
+                   HasShadow="True"
+                   HorizontalOptions="Center"
+                   VerticalOptions="Center"
+                   WidthRequest="{OnPlatform Android=350, iOS=350, WinUI=400, MacCatalyst=400}"
+                   MaximumWidthRequest="500">
+
+                <VerticalStackLayout Spacing="20">
+
+                    <Label Text="Bejelentkezés"
+                           FontSize="24"
+                           FontAttributes="Bold"
+                           HorizontalOptions="Center"
+                           TextColor="#333" />
+
+                    <Entry x:Name="UsernameEntry"
+                           Placeholder="Felhasználói név"
+                           FontSize="18"
+                           BackgroundColor="#f9f9f9"
+                           HeightRequest="50"
+                           Margin="0" />
+
+                    <Entry x:Name="PasswordEntry"
+                           Placeholder="PIN kód"
+                           IsPassword="True"
+                           Keyboard="Numeric"
+                           FontSize="18"
+                           BackgroundColor="#f9f9f9"
+                           HeightRequest="50"
+                           Margin="0" />
+
+                    <Button x:Name="LoginBtn"
+                            Text="Bejelentkezés"
+                            FontSize="18"
+                            HeightRequest="50"
+                            CornerRadius="10"
+                            BackgroundColor="#007aff"
+                            TextColor="White"
+                            Clicked="OnLoginClicked" />
+
+                    <ActivityIndicator x:Name="LoadingIndicator"
+                                       IsRunning="False"
+                                       IsVisible="False"
+                                       HorizontalOptions="Center" />
+                </VerticalStackLayout>
+            </Frame>
+        </Grid>
+    </ScrollView>
+</ContentPage>
diff --git a/src/WorkFlowCheck.MAUI/Pages/Security/LoginPage.xaml.cs b/src/WorkFlowCheck.MAUI/Pages/Security/LoginPage.xaml.cs
index 6db577a..09a8708 100644
--- a/src/WorkFlowCheck.MAUI/Pages/Security/LoginPage.xaml.cs
+++ b/src/WorkFlowCheck.MAUI/Pages/Security/LoginPage.xaml.cs
@@ -5,10 +5,12 @@ namespace WorkFlowCheck.MAUI.Pages.Security;
 public partial class LoginPage : ContentPage
 {
     private  IUserService _userService;
+    private ISyncService _syncService;
     public LoginPage()
     {
         InitializeComponent();
         _userService = MauiProgram.ServiceProvider.GetRequiredService<IUserService>();
+        _syncService = MauiProgram.ServiceProvider.GetRequiredService<ISyncService>();
     }
     private async void OnLoginClicked(object sender, EventArgs e)
     {
@@ -24,6 +26,7 @@ public partial class LoginPage : ContentPage
             if (response != null && response.IsSuccess)
             {
                 _userService.SetCurrentUser(response.Data);
+                await _syncService.SyncDatas();   
 
                 var wFCUser = Newtonsoft.Json.JsonConvert.SerializeObject(response.Data);
                 await SecureStorage.Default.SetAsync("WFCUser", "wFCUser");
diff --git a/src/WorkFlowCheck.MAUI/Resources/Splash/splash.svg b/src/WorkFlowCheck.MAUI/Resources/Splash/splash.svg
index 21dfb25..38ee3ce 100644
--- a/src/WorkFlowCheck.MAUI/Resources/Splash/splash.svg
+++ b/src/WorkFlowCheck.MAUI/Resources/Splash/splash.svg
@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<svg width="456" height="456" viewBox="0 0 456 456" version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" xml:space="preserve" xmlns:serif="http://www.serif.com/" style="fill-rule:evenodd;clip-rule:evenodd;stroke-linejoin:round;stroke-miterlimit:2;">
-    <path d="m 105.50037,281.60863 c -2.70293,0 -5.00091,-0.90042 -6.893127,-2.70209 -1.892214,-1.84778 -2.837901,-4.04181 -2.837901,-6.58209 0,-2.58722 0.945687,-4.80389 2.837901,-6.65167 1.892217,-1.84778 4.190197,-2.77167 6.893127,-2.77167 2.74819,0 5.06798,0.92389 6.96019,2.77167 1.93749,1.84778 2.90581,4.06445 2.90581,6.65167 0,2.54028 -0.96832,4.73431 -2.90581,6.58209 -1.89221,1.80167 -4.212,2.70209 -6.96019,2.70209 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
-    <path d="M 213.56111,280.08446 H 195.99044 L 149.69953,207.0544 c -1.17121,-1.84778 -2.14037,-3.76515 -2.90581,-5.75126 h -0.40578 c 0.36051,2.12528 0.54076,6.67515 0.54076,13.6496 v 65.13172 h -15.54349 v -99.36009 h 18.71925 l 44.7374,71.29798 c 1.89222,2.95695 3.1087,4.98917 3.64945,6.09751 h 0.26996 c -0.45021,-2.6325 -0.67573,-7.09015 -0.67573,-13.37293 v -64.02256 h 15.47557 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
-    <path d="m 289.25134,280.08446 h -54.40052 v -99.36009 h 52.23835 v 13.99669 h -36.15411 v 28.13085 h 33.31621 v 13.9271 h -33.31621 v 29.37835 h 38.31628 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
-    <path d="M 366.56466,194.72106 H 338.7222 v 85.3634 h -16.08423 v -85.3634 h -27.77455 v -13.99669 h 71.70124 z" style="fill:#ffffff;fill-rule:nonzero;stroke-width:0.838376" />
-</svg>
\ No newline at end of file
+<svg width="300" height="300" viewBox="0 0 300 300" xmlns="http://www.w3.org/2000/svg">
+    <text x="50%" y="50%" text-anchor="middle" dominant-baseline="middle"
+          font-size="24" fill="white" font-family="Arial">
+        Workflow Check Application
+    </text>
+</svg>
diff --git a/src/WorkFlowCheck.MAUI/Services/Interfaces/ISyncService.cs b/src/WorkFlowCheck.MAUI/Services/Interfaces/ISyncService.cs
index 6568501..1841a73 100644
--- a/src/WorkFlowCheck.MAUI/Services/Interfaces/ISyncService.cs
+++ b/src/WorkFlowCheck.MAUI/Services/Interfaces/ISyncService.cs
@@ -9,6 +9,11 @@ namespace WorkFlowCheck.MAUI.Services.Interfaces
     public  interface ISyncService
     {
         Task SyncDatas();
+        Task SyncCheckPointsDown();
+        Task SyncCheckPointsUp();
+        Task SyncLocations();
+        Task SyncEquipments();
+
 
     }
 }
diff --git a/src/WorkFlowCheck.MAUI/Services/SyncService.cs b/src/WorkFlowCheck.MAUI/Services/SyncService.cs
index 470ff8b..ca78e3a 100644
--- a/src/WorkFlowCheck.MAUI/Services/SyncService.cs
+++ b/src/WorkFlowCheck.MAUI/Services/SyncService.cs
@@ -1,6 +1,7 @@
 using AutoMapper;
 using Microsoft.EntityFrameworkCore;
 using Microsoft.Extensions.Configuration;
+using Newtonsoft.Json;
 using System.Net.Http.Json;
 using WorkFlowCheck.Common.DTO;
 using WorkFlowCheck.MAUI.DataLayer;
@@ -19,13 +20,13 @@ namespace WorkFlowCheck.MAUI.Services
         }
         public async Task SyncDatas()
         {
-            await SyncCheckPoints();
+            await SyncCheckPointsDown();
             await SyncLocations();
             await SyncEquipments();
             await SyncCheckListTemplates();
             await SyncCheckList();
         }
-        public async Task SyncCheckPoints()
+        public async Task SyncCheckPointsDown()
         {
             try
             {
@@ -55,6 +56,52 @@ namespace WorkFlowCheck.MAUI.Services
 
             }
         }
+        public async Task SyncCheckPointsUp()
+        {
+            try
+            {
+                await PrepareAuthenticatedRequestAsync();
+                // Az API végpont meghatározása
+                string endpoint = $"{_httpClient.BaseAddress}api/Sync/GetAllCheckPoints";
+                // HTTP GET kérés küldése
+                var response = await _httpClient.GetFromJsonAsync<ApiResponseDTO<List<CheckPointDTO>>>(endpoint);
+                if (response != null)
+                {
+                    if (response.IsSuccess)
+                    {
+                        var entityList = await _dbContext.CheckPoints.ToListAsync();
+                        var missingItems = response.Data.Where(f => !entityList.Any(s => s.Id == f.Id & s.Code == f.Code)).ToList();
+
+
+
+                        var checkPointListDTO = _mapper.Map<List<CheckPointDTO>>(missingItems);
+
+                        foreach (var item in checkPointListDTO)
+                        {
+                            var entity = await _dbContext.CheckPoints.Where(w => w.Id == item.Id).FirstOrDefaultAsync();
+                            if (entity != null)
+                            {
+                                item.ShortName = entity.ShortName;
+                                item.Code = entity.Code;
+                            }
+                        }
+
+                        endpoint = $"{_httpClient.BaseAddress}api/Sync/UpdateAllCheckPoint";
+                        using (HttpResponseMessage httpResponseMessage = await _httpClient.PostAsJsonAsync(endpoint, checkPointListDTO))
+                        {
+                            httpResponseMessage.EnsureSuccessStatusCode();
+                            var jsonString = await httpResponseMessage.Content.ReadAsStringAsync();
+                            response = JsonConvert.DeserializeObject<ApiResponseDTO<List<CheckPointDTO>>>(jsonString);
+                        }
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                // Hiba visszaadása
+            }
+        }
+
         public async Task SyncLocations()
         {
             try
@@ -160,7 +207,7 @@ namespace WorkFlowCheck.MAUI.Services
                 string endpoint = $"{_httpClient.BaseAddress}api/Sync/GetAllCheckListHeader/{userId}";
 
                 // HTTP GET kérés küldése
-                
+
                 var response = await _httpClient.GetFromJsonAsync<ApiResponseDTO<List<CheckListHeaderDTO>>>(endpoint);
                 if (response != null)
                 {
diff --git a/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj b/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
index b7bb9d9..11aefb3 100644
--- a/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
+++ b/src/WorkFlowCheck.MAUI/WorkFlowCheck.MAUI.csproj
@@ -43,7 +43,7 @@
 		<MauiIcon Include="Resources\AppIcon\appicon.svg" ForegroundFile="Resources\AppIcon\appiconfg.svg" Color="#512BD4" />
 
 		<!-- Splash Screen -->
-		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="128,128" />
+		<MauiSplashScreen Include="Resources\Splash\splash.svg" Color="#512BD4" BaseSize="400,400" />
 
 		<!-- Images -->
 		<MauiImage Include="Resources\Images\*" />
@@ -115,6 +115,9 @@
 	  <MauiXaml Update="Pages\NFC\NFCTestPage.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>
+	  <MauiXaml Update="Pages\NFC\NFCWaiter.xaml">
+	    <Generator>MSBuild:Compile</Generator>
+	  </MauiXaml>
 	  <MauiXaml Update="Pages\Security\LoginPage.xaml">
 	    <Generator>MSBuild:Compile</Generator>
 	  </MauiXaml>