CaritasPWA/Pages/IndexPage.razor

@page "/"
@using cwebplusApp.Shared.Services;
@using System.Threading;
@inject NavigationManager NavigationManager;
@inject AppState AppState;
@inject IStringLocalizer<Resources> i18n
@inject PageHistoryManager PageHistoryManager
@inject MasterDataService MasterDataService;
@inject Toaster Toaster;


<div class="row h-100 justify-content-center">
    <div class="row d-flex align-items-center justify-content-center px-4 w-100">
        <img src="./images/caritas_logo.png" style="padding:1em;max-width:320px" class="w-100" alt="">
    </div>

    <div class="row align-items-end vw-100 h-50">
        <div class="col text-center">
            <h3 style="font-style:italic;padding-bottom:1em">@i18n["Welcome"]</h3>
            <div>
                <MatButton Disabled="@btnDisabled" Raised="true" Style="width:50%" @onclick="@((e) => ButtonClicked())">@i18n["Login"]</MatButton>
            </div>
        </div>
    </div>
    <div class="row align-items-center justify-content-center vw-100 h-25">
        <div>
            @if (showProgressCircle) {
                <div style="width:48px;margin:0 auto;">
                    <MatProgressCircle Indeterminate="true" Size="MatProgressCircleSize.Large" />
                </div>
                <h6 style="font-style:italic;padding-bottom:1em">@i18n["Info.Masterdata.Initializing"]</h6>
            }
        </div>
    </div>
</div>


@code {

    private bool btnDisabled = true;
    private bool showProgressCircle = false;

    protected async override void OnInitialized() {
        base.OnInitialized();
        if (MasterDataService.FirstActivation) {
            Console.WriteLine("First activation");
            showProgressCircle = true;
            StateHasChanged();
            try {
                await MasterDataService.SynchronizeMasterdata();
            } catch (Exception) {
                Toaster.ShowWarning(i18n.GetString("Warning.Masterdata.Title"), i18n.GetString("Warning.Masterdata.Msg"));
            } finally {
                showProgressCircle = false;
            }
        }
        btnDisabled = false;
        PageHistoryManager.Reset();
        StateHasChanged();
    }

    private void ButtonClicked() {
        NavigationManager.NavigateTo("./caritas_services");
        AppState.LoggedIn = true;
    }
}