Implement basic paging

bookmarks/templates/bookmarks/index.html

@@ -22,4 +22,13 @@
             </li>
         {% endfor %}
     </ul>
+    <div class="pagination">
+        {% if bookmarks.has_next %}
+            <a href="?page={{ bookmarks.next_page_number }}">< Older</a>
+        {% endif %}
+        {% if bookmarks.has_previous %}
+            <a href="?page={{ bookmarks.previous_page_number }}">Newer ></a>
+        {% endif %}
+    </div>
+
 {% endblock %}

bookmarks/views/bookmarks.py

@@ -1,3 +1,4 @@
+from django.core.paginator import Paginator
 from django.http import HttpResponseRedirect, HttpRequest
 from django.shortcuts import render
 from django.urls import reverse
@@ -5,14 +6,24 @@ from django.urls import reverse
 from bookmarks.models import Bookmark, BookmarkForm
 from bookmarks.services.bookmarks import create_bookmark, update_bookmark
 
+_default_page_size = 30
+
 
 def index(request):
+    page = request.GET.get('page')
+    paginator = Paginator(_get_bookmark_list(), _default_page_size)
+    bookmarks = paginator.get_page(page)
+
     context = {
-        'bookmarks': Bookmark.objects.all()
+        'bookmarks': bookmarks
     }
     return render(request, 'bookmarks/index.html', context)
 
 
+def _get_bookmark_list():
+    return Bookmark.objects.order_by('-date_added')
+
+
 def new(request: HttpRequest):
     if request.method == 'POST':
         form = BookmarkForm(request.POST)