Finished the directory

Components/Pages/Directory.razor

@@ -1,4 +1,6 @@
 @page "/directory"
+@using System.Text.RegularExpressions
+@using System.Globalization
 @implements IDisposable
 @inject IJSRuntime JS
 @inject State State
@@ -9,34 +11,74 @@
   <Description>Welcome to the <a href="https://home.omg.lol/directory">omg.lol member directory</a>! Everyone here is awesome. <i class="fa-solid fa-sparkles"></i></Description>
 </PageHeading>
 
-<div id="directory" class="responsive">
-
-  @if (addresses != null) {
-    @* TODO: Display avatar and address name, grouped by starting letter? *@
-  }
-
+@if (groupedAddresses != null) {
+  IdnMapping idn = new IdnMapping();
+  <article id="directoryIndex" class="responsive">
+    <nav class="wrap">
+      @foreach (var group in groupedAddresses) {
+        <a @onclick='()=>{JS.InvokeVoidAsync("scrollToId", $"index-{group.Key}");}' class="button circle transparent address">@group.Key</a>
+      }
+    </nav>
+  </article>
+  <article id="directory" class="responsive">
+    @foreach(var group in groupedAddresses) {
+      <h3 class="address" id="index-@group.Key">— @group.Key —</h3>
+      <ul>
+        @foreach(string address in group) {
+          string displayAddress = address;
+          string linkAddress = address;
+          if (group.Key == "😀") {
+            try {
+              linkAddress = idn.GetAscii(address);
+              displayAddress = $"{address} {linkAddress}";
+            }
+            catch (Exception) { }
+          }
+          <li>
+            <a class="chip medium no-border no-margin" href="/person/@address">
+              <img class="circle avatar responsive" src="https://profiles.cache.lol/@linkAddress/picture">
+              <span>@displayAddress</span>
+            </a>
+          </li>
+        }
+      </ul>
+    }
+  </article>
+}
+else {
   <LoadingCard id="address-loading" icon="fa-duotone fa-address-book"></LoadingCard>
-</div>
-
+}
 @code {
   private List<string>? addresses;
+  private IOrderedEnumerable<IGrouping<string, string>>? groupedAddresses;
 
   protected override async Task OnInitializedAsync() {
     await base.OnInitializedAsync();
-    if (addresses == null || addresses.Count == 0) addresses = await State.GetDirectory();
+    if (addresses == null || addresses.Count == 0){
+      addresses = await State.GetDirectory();
+      GroupAddresses();
+    }
     State.PropertyChanged += StateChanged;
     State.CanRefresh = true;
     await InvokeAsync(StateHasChanged);
-    await JS.InvokeVoidAsync("removeElementById", "address-loading");
   }
 
   private async void StateChanged(object? sender, PropertyChangedEventArgs e) {
     if (e.PropertyName == nameof(State.IsRefreshing) && State.IsRefreshing) {
       addresses = await State.GetDirectory(true);
+      GroupAddresses();
       State.IsRefreshing = false;
     }
   }
 
+  private void GroupAddresses() {
+    groupedAddresses = addresses?.GroupBy(s => {
+      if (Regex.IsMatch(s, "^[0-9]", RegexOptions.IgnoreCase)) return "#";
+      else if (Regex.IsMatch(s, "^[a-z]", RegexOptions.IgnoreCase)) return s.First().ToString().ToUpper();
+      else return "😀";
+    }).OrderBy(g => g.Key);
+  }
+
   public void Dispose() {
     State.PropertyChanged -= StateChanged;
     State.CanRefresh = false;

Models/State.cs

@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Components;
 using System.ComponentModel;
+using System.Globalization;
 using System.Text.Json;
 
 namespace Neighbourhood.omg.lol.Models {
@@ -146,7 +147,11 @@ namespace Neighbourhood.omg.lol.Models {
 
     public async Task<List<string>?> GetDirectory(bool forceRefresh = false) {
       if (forceRefresh || this.AddressDirectory == null || this.AddressDirectory.Count == 0) {
-        this.AddressDirectory = await api.Directory();
+        IdnMapping idn = new IdnMapping();
+        this.AddressDirectory = (await api.Directory()).Select(s => {
+          if (s.StartsWith("xn--")) return idn.GetUnicode(s);
+          else return s;
+        }).ToList();
       }
       return this.AddressDirectory;
     }

wwwroot/css/style.css

@@ -400,4 +400,20 @@ a.row.indent {
   :is(button,.button,.chip).large.small > .responsive {
     inline-size: 3rem;
   }
+}
+
+#directory{
+  column-width: 14rem;
+}
+#directory a {
+  font-size: 1.1rem;
+  text-decoration: none;
+}
+
+article#directory ul{
+  list-style:none;
+}
+
+#directoryIndex a {
+  font-size: 1.5rem;
 }

wwwroot/js/csharp.js

@@ -11,4 +11,15 @@ async function delay(t) {
 
 async function removeElementById(id) {
   document.getElementById(id)?.remove()
+}
+
+function scrollToId(id) {
+  const element = document.getElementById(id);
+  if (element instanceof HTMLElement) {
+    element.scrollIntoView({
+      behavior: "smooth",
+      block: "start",
+      inline: "nearest"
+    });
+  }
 }