onecmonitor/oneswiss-server/Components/Layout/NavMenu.razor

@inject IDbContextFactory<AppDbContext> ContextFactory
@inject NavigationManager NavigationManager
@using Microsoft.AspNetCore.Components.Authorization
@using Microsoft.EntityFrameworkCore
@using MudBlazor.Utilities
@using OneSwiss.Server.Extensions
@implements IDisposable

<MudNavMenu>
    <AuthorizeView>
        <Authorized>
            <MudNavLink Href="" Class="mt-1 mb-1" Icon="@Icons.Material.Filled.Dashboard" IconColor="Color.Secondary"
                        Match="NavLinkMatch.All">Панель
            </MudNavLink>
            @if (context.IsInRoles(Roles.ReadMaintenanceTasks, Roles.WriteMaintenanceTasks))
            {
                <MudNavGroup Class="mb-1" Title="Обслуживание" Expanded="true"
                             Icon="@Icons.Material.Filled.HomeRepairService" IconColor="Color.Primary">
                    <MudNavLink Href="configurationrepositories">Хранилища конфигураций</MudNavLink>
                    <MudNavLink Href="files">Конфигурации обработки и скрипты</MudNavLink>
                    <MudNavLink Href="maintenancetasks">Задачи обслуживания</MudNavLink>
                    <MudNavLink Href="maintenancetaskstemplates">Шаблоны задач обслуживания</MudNavLink>
                </MudNavGroup>
            }
            @if (context.IsInRoles(Roles.ReadTechLogSeances, Roles.WriteTechLogSeances))
            {
                <MudNavGroup hidden="@_techLogDisabled" Class="mb-1" Title="Технологический журнал"
                             Icon="@Icons.Material.Filled.Task" IconColor="Color.Warning">
                    <MudNavLink Href="techlog/seances">Сеансы сбора</MudNavLink>
                    <MudNavLink Href="techlog/templates">Шаблоны</MudNavLink>
                </MudNavGroup>
            }
            @if (context.IsInRoles(Roles.ReadErrorLoggingReports))
            {
                <MudNavLink hidden="@_errorLoggingServiceDisabled" Class="mb-1" Href="errorLoggingService"
                            Icon="@Icons.Material.Filled.BugReport" IconColor="Color.Error">
                    Сервис регистрации ошибок
                </MudNavLink>
            }
            @if (context.IsInRoles(Roles.ReadEventLog))
            {
                <MudNavLink hidden="@_eventLogExportDisabled" Class="mb-1" Href="eventlog"
                            Icon="@Icons.Material.Filled.TextFields" IconColor="Color.Primary">
                    Журнал регистрации
                </MudNavLink>
            }
            @if (context.IsInRoles(Roles.ReadGitRepositories, Roles.WriteGitRepositories))
            {
                <MudNavLink Class="mb-1" Href="gitrepositories" Icon="@Icons.Custom.Brands.GitHub"
                            IconColor="Color.Info">
                    Репозитории Git
                </MudNavLink>
            }
            @if (context.IsAdmin())
            {
                <MudNavGroup Title="Общее" Expanded="true" Icon="@Icons.Material.Filled.Settings"
                             IconColor="Color.Tertiary">
                    <MudNavLink Href="settings">Настройки</MudNavLink>
                    <MudNavLink Href="credentials">Учетные данные и токены</MudNavLink>
                    <MudNavLink Href="dbms">СУБД</MudNavLink>
                </MudNavGroup>
            }
            <form action="Account/Logout" method="post">
                <AntiforgeryToken/>
                <input type="hidden" name="ReturnUrl" value="@currentUrl"/>
                <button type="submit" class="mud-nav-link mud-ripple">
                    <MudIcon Icon="@Icons.Material.Filled.Logout" Color="Color.Info" Class="mr-3"></MudIcon>
                    Выход
                </button>
            </form>
        </Authorized>
        <NotAuthorized>
            <MudNavLink Href="Account/Register" Match="NavLinkMatch.Prefix" Icon="@Icons.Material.Filled.Person">
                Регистрация
            </MudNavLink>
            <MudNavLink Href="Account/Login" Match="NavLinkMatch.Prefix" Icon="@Icons.Material.Filled.Login">Вход
            </MudNavLink>
        </NotAuthorized>
    </AuthorizeView>

</MudNavMenu>

@code {
    private string? currentUrl;
    private bool _techLogDisabled = true;
    private bool _errorLoggingServiceDisabled = true;
    private bool _eventLogExportDisabled = true;

    protected override async Task OnInitializedAsync()
    {
        currentUrl = NavigationManager.ToBaseRelativePath(NavigationManager.Uri);
        NavigationManager.LocationChanged += OnLocationChanged;

        await UpdateVisibility();
    }

    private async Task UpdateVisibility()
    {
        await using var context = await ContextFactory.CreateDbContextAsync();

        var elss = await context.ErrorLoggingServiceSettings.SingleOrDefaultAsync();
        _errorLoggingServiceDisabled = !elss?.Enabled ?? true;

        var tls = await context.TechLogSettings.SingleOrDefaultAsync();
        _techLogDisabled = !tls?.Enabled ?? true;
        
        var el = await context.EventLogSettings.SingleOrDefaultAsync();
        _eventLogExportDisabled = !el?.Enabled ?? true;
    }

    public async Task NotifyStateHasChanged()
    {
        await UpdateVisibility();
        await InvokeAsync(StateHasChanged);
    }

    private void OnLocationChanged(object? sender, LocationChangedEventArgs e)
    {
        currentUrl = NavigationManager.ToBaseRelativePath(e.Location);
        StateHasChanged();
    }

    public void Dispose()
    {
        NavigationManager.LocationChanged -= OnLocationChanged;
    }

}