Replace tags menu item with dashboard item

website/blog/templates/blog/blog_post_tags_count_summary_item.html

@@ -0,0 +1,8 @@
+{% load wagtailadmin_tags %}
+
+<li>
+  {% icon name="tag" %}
+  <a href="{% url 'wagtailadmin_explore' list_page.id %}">
+    <span>{{ tags }}</span> Tags
+  </a>
+</li>

website/blog/wagtail_hooks.py

@@ -1,32 +1,10 @@
 from django.http.request import HttpRequest
-from django.urls import reverse
 from wagtail import hooks
-from wagtail.admin.menu import MenuItem
 from wagtail.admin.site_summary import SummaryItem
 
 from .models import BlogPostListPage, BlogPostTagListPage
 
 
-class BlogPostTagsMenuItem(MenuItem):
-    url: str
-
-    def __init__(self) -> None:
-        super().__init__("Blog post tags", url="", icon_name="tag")
-
-    def is_shown(self, request: HttpRequest) -> bool:
-        if not self.url:
-            blog_post_tag_list_id = (
-                BlogPostTagListPage.objects.live().values_list("id", flat=True).first()
-            )
-            self.url = (
-                reverse("wagtailadmin_explore", args=[blog_post_tag_list_id])
-                if blog_post_tag_list_id
-                else ""
-            )
-
-        return bool(self.url)
-
-
 class BlogPostCountSummaryItem(SummaryItem):
     template_name = "blog/blog_post_count_summary_item.html"
 
@@ -38,15 +16,24 @@ class BlogPostCountSummaryItem(SummaryItem):
         list_page = BlogPostListPage.objects.get()
         context["list_page"] = list_page
         context["posts"] = list_page.get_listing_pages().count()
-
         return context
 
 
-@hooks.register("register_admin_menu_item")
-def register_blog_post_tags_menu_item() -> MenuItem:
-    return BlogPostTagsMenuItem()
+class BlogPostTagsCountSummaryItem(SummaryItem):
+    template_name = "blog/blog_post_tags_count_summary_item.html"
+
+    def is_shown(self) -> bool:
+        return BlogPostTagListPage.objects.exists()
+
+    def get_context_data(self, parent_context: dict) -> dict:
+        context = super().get_context_data(parent_context)
+        list_page = BlogPostTagListPage.objects.get()
+        context["list_page"] = list_page
+        context["tags"] = list_page.get_listing_pages().count()
+        return context
 
 
 @hooks.register("construct_homepage_summary_items")
 def register_blog_post_count_summary_item(request: HttpRequest, panels: list) -> None:
     panels.append(BlogPostCountSummaryItem(request))
+    panels.append(BlogPostTagsCountSummaryItem(request))