Добавлен playlist shared

PlaylistShared/Components/Layout/NavMenu.razor

@@ -0,0 +1,51 @@
+@using Microsoft.AspNetCore.Components.Authorization
+<div class="top-row ps-3 navbar navbar-dark">
+    <div class="container-fluid">
+        <a class="navbar-brand" href="">PlaylistShared</a>
+    </div>
+</div>
+
+<input type="checkbox" title="Navigation menu" class="navbar-toggler" />
+
+<div class="nav-scrollable" onclick="document.querySelector('.navbar-toggler').click()">
+    <nav class="nav flex-column">
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="" Match="NavLinkMatch.All">
+                <span class="bi bi-house-door-fill-nav-menu" aria-hidden="true"></span> Главная
+            </NavLink>
+        </div>
+        <div class="nav-item px-3">
+            <NavLink class="nav-link" href="myplaylists">
+                <span class="bi bi-list-nested-nav-menu" aria-hidden="true"></span> Мои плейлисты
+            </NavLink>
+        </div>
+        @if (user?.Identity?.IsAuthenticated == true)
+        {
+            <div class="nav-item px-3">
+                <NavLink class="nav-link" href="Logout">
+                    <span class="bi bi-box-arrow-right"></span> Выйти
+                </NavLink>
+            </div>
+        }
+        else
+        {
+            <div class="nav-item px-3">
+                <NavLink class="nav-link" href="Login">
+                    <span class="bi bi-box-arrow-in-right"></span> Войти
+                </NavLink>
+            </div>
+        }
+    </nav>
+</div>
+
+@code {
+    private AuthenticationState? _authState;
+    private ClaimsPrincipal? user => _authState?.User;
+    [CascadingParameter] private Task<AuthenticationState>? AuthenticationStateTask { get; set; }
+
+    protected override async Task OnInitializedAsync()
+    {
+        if (AuthenticationStateTask is not null)
+            _authState = await AuthenticationStateTask;
+    }
+}