Added page hooks for main layout

Moonlight.Frontend/Configuration/LayoutPageOptions.cs

@@ -0,0 +1,33 @@
+using System.Diagnostics.CodeAnalysis;
+using Microsoft.AspNetCore.Components;
+
+namespace Moonlight.Frontend.Configuration;
+
+public class LayoutPageOptions
+{
+    public IReadOnlyList<LayoutPageComponent> Components => InnerComponents;
+    
+    private readonly List<LayoutPageComponent> InnerComponents = new();
+
+    public void Add<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)] T>(LayoutPageSlot slot, int order)
+        where T : ComponentBase
+        => Add(typeof(T), slot, order);
+    
+    public void Add(Type componentType, LayoutPageSlot slot, int order)
+        => InnerComponents.Add(new LayoutPageComponent(componentType, order, slot));
+
+    public void Remove<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.All)] T>()
+        where T : ComponentBase
+        => Remove(typeof(T));
+
+    public void Remove(Type componentType)
+        => InnerComponents.RemoveAll(x => x.ComponentType == componentType);
+}
+
+public record LayoutPageComponent(Type ComponentType, int Order, LayoutPageSlot Slot);
+
+public enum LayoutPageSlot
+{
+    Header = 0,
+    Footer = 1
+}

Moonlight.Frontend/UI/Shared/Partials/MainLayout.razor

@@ -1,18 +1,53 @@
-@using ShadcnBlazor.Extras.Alerts
+@using Microsoft.Extensions.Options
+@using Moonlight.Frontend.Configuration
+@using ShadcnBlazor.Extras.Alerts
 @using ShadcnBlazor.Sidebars
 
 @inherits LayoutComponentBase
 
+@inject IOptions<LayoutPageOptions> LayoutPageOptions
+
 <SidebarProvider DefaultOpen="true">
     <AppSidebar/>
 
     <SidebarInset>
         <AppHeader/>
 
+        @foreach (var headerComponent in HeaderComponents)
+        {
+            <DynamicComponent Type="headerComponent" />
+        }
+        
         <div class="mx-8 my-8 max-w-full">
             <AlertLauncher/>
 
             @Body
         </div>
+        
+        @foreach (var footerComponent in FooterComponents)
+        {
+            <DynamicComponent Type="footerComponent" />
+        }
     </SidebarInset>
 </SidebarProvider>
+
+@code
+{
+    private Type[] HeaderComponents;
+    private Type[] FooterComponents;
+    
+    protected override void OnInitialized()
+    {
+        HeaderComponents = LayoutPageOptions.Value.Components
+            .Where(x => x.Slot == LayoutPageSlot.Header)
+            .OrderBy(x => x.Order)
+            .Select(x => x.ComponentType)
+            .ToArray();
+        
+        FooterComponents = LayoutPageOptions.Value.Components
+            .Where(x => x.Slot == LayoutPageSlot.Footer)
+            .OrderBy(x => x.Order)
+            .Select(x => x.ComponentType)
+            .ToArray();
+    }
+}