add user started threads view

app/models.py

@@ -54,6 +54,14 @@ class Users(Model):
         q = f'{Posts.FULL_POSTS_QUERY} WHERE posts.user_id = ? ORDER BY posts.created_at DESC LIMIT ? OFFSET ?'
         return db.query(q, self.id, per_page, (page - 1) * per_page)
 
+    def get_started_threads(self, per_page: int, page: int) -> list:
+        q = f"""{Posts.FULL_POSTS_QUERY} WHERE threads.user_id = ? AND posts.created_at = (
+            SELECT MIN(p2.created_at)
+            FROM posts p2
+            WHERE p2.thread_id = posts.thread_id
+        ) ORDER BY threads.created_at DESC LIMIT ? OFFSET ?"""
+        return db.query(q, self.id, per_page, (page - 1) * per_page)
+
     def get_all_subscriptions(self):
         q = """
             SELECT threads.title AS thread_title, threads.slug AS thread_slug
@@ -289,6 +297,7 @@ class Posts(Model):
             users.id AS user_id, post_history.original_markup,
             users.signature_rendered, threads.slug AS thread_slug,
             threads.is_locked AS thread_is_locked, threads.title AS thread_title,
+            topics.id AS topic_id, topics.name AS topic_name,
             COALESCE(user_badges.badges_json, '[]') AS badges_json
         FROM
             posts
@@ -296,6 +305,8 @@ class Posts(Model):
             post_history ON posts.current_revision_id = post_history.id
         JOIN
             users ON posts.user_id = users.id
+        JOIN
+            topics ON threads.topic_id = topics.id
         JOIN
             threads ON posts.thread_id = threads.id
         LEFT JOIN