Add home hero with intro and buttons from the body, next-event card and page tiles

Elternbeirat.Web/Features/Home/TileIcons.cs

@@ -0,0 +1,45 @@
+using System.Collections.Frozen;
+using Elternbeirat.Web.Shared;
+
+namespace Elternbeirat.Web.Features.Home;
+
+/// <summary>
+///     Chooses the icon of a home page tile from the page's slug.
+/// </summary>
+/// <remarks>
+///     Pure presentation, so it lives in code: the schema has no icon field, and adding
+///     one needs a schema change that cannot reach production yet. A page without an
+///     entry here (e.g. one an editor just created) gets <see cref="Default"/>, so a
+///     new page always shows up as a complete tile.
+/// </remarks>
+/// <seealso cref="IconSet"/>
+public static class TileIcons
+{
+    /// <summary>
+    ///     The icon for a slug without its own entry: a generic page.
+    /// </summary>
+    public const string Default = "file-text";
+
+    /// <summary>
+    ///     Icon name per slug. Every value must be a name in <see cref="IconSet"/>.
+    /// </summary>
+    private static readonly FrozenDictionary<string, string> Icons =
+        new Dictionary<string, string>
+        {
+            ["board"] = "users",
+            ["patrons"] = "heart-handshake",
+            ["faqs"] = "help-circle",
+            ["downloads"] = "download",
+            ["posts"] = "newspaper",
+            ["events"] = "calendar",
+            ["contact"] = "mail",
+        }.ToFrozenDictionary(StringComparer.Ordinal);
+
+    /// <summary>
+    ///     Returns the icon name for a page.
+    /// </summary>
+    /// <param name="slug">The page's slug, e.g. <c>board</c>.</param>
+    /// <returns>An icon name from <see cref="IconSet"/>; <see cref="Default"/> for an unknown slug.</returns>
+    public static string For(string slug) =>
+        Icons.GetValueOrDefault(slug, Default);
+}