oqtane.framework/Oqtane.Client/App.razor

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@inject IInstallationService InstallationService
@if (_initialized)
{
@if (!_installation.Success)
{
<Installer />
}
else
{
@if (string.IsNullOrEmpty(_installation.Message))
{
<CascadingAuthenticationState>
<CascadingValue Value="@PageState">
<SiteRouter OnStateChange="@ChangeState" />
</CascadingValue>
</CascadingAuthenticationState>
}
else
{
<div class="app-alert">
@_installation.Message
</div>
}
}
}
@code {
private Installation _installation;
private bool _initialized;
private PageState PageState { get; set; }
protected override async Task OnParametersSetAsync()
{
_installation = await InstallationService.IsInstalled();
_initialized = true;
}
private void ChangeState(PageState pageState)
{
PageState = pageState;
StateHasChanged();
}
}