feat: admin panel

Panel/Components/Pages/Error.razor

@@ -0,0 +1,36 @@
+@page "/Error"
+@using System.Diagnostics
+
+<PageTitle>Error</PageTitle>
+
+<h1 class="text-danger">Error.</h1>
+<h2 class="text-danger">An error occurred while processing your request.</h2>
+
+@if (ShowRequestId)
+{
+    <p>
+        <strong>Request ID:</strong> <code>@RequestId</code>
+    </p>
+}
+
+<h3>Development Mode</h3>
+<p>
+    Swapping to <strong>Development</strong> environment will display more detailed information about the error that occurred.
+</p>
+<p>
+    <strong>The Development environment shouldn't be enabled for deployed applications.</strong>
+    It can result in displaying sensitive information from exceptions to end users.
+    For local debugging, enable the <strong>Development</strong> environment by setting the <strong>ASPNETCORE_ENVIRONMENT</strong> environment variable to <strong>Development</strong>
+    and restarting the app.
+</p>
+
+@code{
+    [CascadingParameter]
+    private HttpContext? HttpContext { get; set; }
+
+    private string? RequestId { get; set; }
+    private bool ShowRequestId => !string.IsNullOrEmpty(RequestId);
+
+    protected override void OnInitialized() =>
+        RequestId = Activity.Current?.Id ?? HttpContext?.TraceIdentifier;
+}

Panel/Components/Pages/Home.razor

@@ -0,0 +1,7 @@
+@page "/"
+
+<PageTitle>Home</PageTitle>
+
+<h1>Hello, world!</h1>
+
+Welcome to your new app.

Panel/Components/Pages/Servers/Index.razor

@@ -0,0 +1,45 @@
+@page "/servers"
+@attribute [StreamRendering]
+
+<PageTitle>Servers</PageTitle>
+
+<h1>Servers</h1>
+
+@if (servers == null)
+{
+    <p><em>Loading...</em></p>
+}
+else
+{
+    <table class="table clickable">
+        <thead>
+            <tr>
+                <th>Id</th>
+                <th>Name</th>
+                <th>State</th>
+            </tr>
+        </thead>
+        <tbody>
+            @foreach (var world in servers)
+            {
+                <tr onclick="window.location = '/servers/@world.Id'">
+                    <td>@world.Id</td>
+                    <td>@world.Name</td>
+                    <td>@world.State</td>
+                </tr>
+            }
+        </tbody>
+    </table>
+}
+
+@code {
+    private List<World>? servers;
+
+    protected override async Task OnInitializedAsync()
+    {
+        HttpClient httpClient = new HttpClient();
+        httpClient.DefaultRequestHeaders.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue(Environment.GetEnvironmentVariable("ADMIN_KEY"));
+
+        servers = await httpClient.GetFromJsonAsync<List<World>>("http://localhost:8080/api/admin/servers");
+    }
+}