Add pagination and search to federation page

static/css/style.css

@@ -428,6 +428,11 @@ form.follow button {
     margin: 0;
 }
 
+form.search {
+    display: flex;
+    margin: 0 0 20px 0;
+}
+
 form h1 {
     margin: 0 0 10px 0;
 }

templates/admin/federation.html

@@ -3,8 +3,12 @@
 {% block subtitle %}Federation{% endblock %}
 
 {% block content %}
+    <form action="." class="search">
+        <input type="search" name="query" value="{{ query }}" placeholder="Search by domain">
+        <button><i class="fa-solid fa-search"></i></button>
+    </form>
     <section class="icon-menu">
-        {% for domain in domains %}
+        {% for domain in page_obj %}
             <a class="option" href="{{ domain.urls.edit_federation }}">
                 <i class="fa-solid fa-globe"></i>
                 <span class="handle">
@@ -20,5 +24,13 @@
         {% empty %}
             <p class="option empty">There are no federation links yet.</p>
         {% endfor %}
+        <div class="load-more">
+            {% if page_obj.has_previous %}
+                <a class="button" href=".?page={{ page_obj.previous_page_number }}">Previous Page</a>
+            {% endif %}
+            {% if page_obj.has_next %}
+                <a class="button" href=".?page={{ page_obj.next_page_number }}">Next Page</a>
+            {% endif %}
+        </div>
     </section>
 {% endblock %}

users/views/admin/federation.py

@@ -2,24 +2,35 @@ from django import forms
 from django.db import models
 from django.shortcuts import get_object_or_404, redirect
 from django.utils.decorators import method_decorator
-from django.views.generic import FormView, TemplateView
+from django.views.generic import FormView, ListView
 
 from users.decorators import admin_required
 from users.models import Domain
 
 
 @method_decorator(admin_required, name="dispatch")
-class FederationRoot(TemplateView):
+class FederationRoot(ListView):
 
     template_name = "admin/federation.html"
+    paginate_by = 50
 
-    def get_context_data(self):
-        return {
-            "domains": Domain.objects.filter(local=False)
-            .annotate(num_users=models.Count("identities"))
-            .order_by("domain"),
+    def get(self, request, *args, **kwargs):
+        self.query = request.GET.get("query")
+        self.extra_context = {
             "section": "federation",
+            "query": self.query or "",
         }
+        return super().get(request, *args, **kwargs)
+
+    def get_queryset(self):
+        domains = (
+            Domain.objects.filter(local=False)
+            .annotate(num_users=models.Count("identities"))
+            .order_by("domain")
+        )
+        if self.query:
+            domains = domains.filter(domain__icontains=self.query)
+        return domains
 
 
 @method_decorator(admin_required, name="dispatch")