finish that a tag in topics view

app/__init__.py

@@ -3,6 +3,7 @@ from dotenv import load_dotenv
 from .models import Avatars, Users
 from .auth import digest
 from .routes.users import is_logged_in, get_active_user
+from .routes.threads import get_post_url
 from .constants import (
     PermissionLevel, permission_level_string,
     InfoboxKind, InfoboxIcons, InfoboxHTMLClass,
@@ -116,6 +117,12 @@ def create_app():
     def inject_auth():
         return {"is_logged_in": is_logged_in, "get_active_user": get_active_user, "active_user": get_active_user()}
 
+    @app.context_processor
+    def inject_funcs():
+        return {
+            'get_post_url': get_post_url,
+        }
+
     @app.template_filter("ts_datetime")
     def ts_datetime(ts, format):
         return datetime.utcfromtimestamp(ts or int(time.time())).strftime(format)

app/routes/threads.py

@@ -13,6 +13,20 @@ import time
 bp = Blueprint("threads", __name__, url_prefix = "/threads/")
 
 
+def get_post_url(post_id, _anchor=False):
+    post = Posts.find({'id': post_id})
+    if not post:
+        return ""
+
+    thread = Threads.find({'id': post.thread_id})
+
+    res = url_for('threads.thread', slug=thread.slug, after=post_id)
+    if not _anchor:
+        return res
+
+    return f"{res}#post-{post_id}"
+
+
 @bp.get("/<slug>")
 def thread(slug):
     POSTS_PER_PAGE = 10

app/templates/topics/topics.html

@@ -23,7 +23,7 @@
           {% if topic['id'] in active_threads %}
             {% with thread=active_threads[topic['id']] %}
               <span>
-                Latest post in: <a href="{{ url_for("threads.thread", slug=thread['thread_slug'])}}">{{ thread['thread_title'] }}</a> by <a href="{{ url_for("users.page", username=thread['username'])}}">{{ thread['username'] }}</a> at <a href="">{{ timestamp(thread['post_created_at']) }}</a>
+                Latest post in: <a href="{{ url_for("threads.thread", slug=thread['thread_slug'])}}">{{ thread['thread_title'] }}</a> by <a href="{{ url_for("users.page", username=thread['username'])}}">{{ thread['username'] }}</a> at <a href="{{ get_post_url(thread.post_id, _anchor=true) }}">{{ timestamp(thread['post_created_at']) }}</a>
               </span>
             {% endwith %}
           {% endif %}