rewrite threads routes to include id

app/routes/threads.py

@@ -5,11 +5,21 @@ import math
 
 bp = Blueprint('threads', __name__, url_prefix='/threads/')
 
-@bp.get('/<slug>/')
-def thread(slug):
-    thread = Threads.find({'slug': slug})
+@bp.get('/<int:thread_id>/')
+def thread_by_id(thread_id):
+    thread = Threads.find({'id': thread_id})
     if not thread:
         abort(404)
+    return redirect(url_for('.thread', thread_id=thread_id, slug=thread.slug, **request.args))
+
+@bp.get('/<int:thread_id>/<slug>/')
+def thread(thread_id, slug):
+    thread = Threads.find({'id': thread_id})
+    if not thread:
+        abort(404)
+    if thread.slug != slug:
+        return redirect(url_for('.thread', thread_id=thread_id, slug=thread.slug, **request.kwargs))
+
     topic = Topics.find({'id': thread.topic_id})
     started_by = Users.find({'id': thread.user_id})
     PER_PAGE = 10
@@ -34,21 +44,21 @@ def thread(slug):
             abort(404)
     return render_template('threads/thread.html', thread=thread, posts=thread.get_posts(PER_PAGE, page), page=page, page_count=page_count, topic=topic, started_by=started_by, topics=Topics.get_list(), Reactions=Reactions)
 
-@bp.post('/<slug>/reply/')
+@bp.post('/<int:thread_id>/reply/')
 @login_required
-def reply(slug):
+def reply(thread_id):
     user = get_active_user()
-    thread = Threads.find({'slug': slug})
+    thread = Threads.find({'id': thread_id})
     if not thread:
         abort(404)
     if thread.locked() and not user.is_mod():
         # TODO: flash
-        return redirect(url_for('.thread', slug=slug))
+        return redirect(url_for('.thread_by_id', thread_id=thread_id))
     post = Posts.new(user.id, thread.id, request.form.get('babycode_content'))
-    return redirect(url_for('.thread', slug=slug, after=post.id, _anchor=f'post-{post.id}'))
+    return redirect(url_for('.thread_by_id', thread_id=thread_id, after=post.id, _anchor=f'post-{post.id}'))
 
-@bp.get('/<slug>/feed.atom/')
-def feed(slug):
+@bp.get('/<int:thread_id>/feed.atom/')
+def feed(thread_id):
     return 'stub'
 
 @bp.get('/new/')