add empty list check

community-roundup/main.py

@@ -8,16 +8,18 @@ client_id = os.environ["REDDIT_CLIENT_ID"]
 client_secret = os.environ["REDDIT_CLIENT_SECRET"]
 reddit_pass = os.environ["REDDIT_PASSWORD"]
 username = os.environ["REDDIT_USERNAME"]
-user_agent = 'Community Roundup Post'
+user_agent = "Community Roundup Post"
 token = os.environ["GIST_TOKEN"]
 gist_id = os.environ["GIST_ID"]
 sub = "developersIndia"
 
+
 def is_last_day_of_month():
     today = datetime.date.today()
     tomorrow = today + datetime.timedelta(days=1)
     return tomorrow.day == 1
 
+
 def get_gist_content(gist_id):
     headers = {
         "Authorization": f"token {token}",
@@ -31,6 +33,16 @@ def get_gist_content(gist_id):
 
 def get_monthly_roundup():
     saved_collection_posts = json.loads(get_gist_content(gist_id))
+    # filter posts for this month
+    saved_collection_posts = list(
+        filter(
+            lambda post: datetime.datetime.strptime(
+                post["created_at"], "%Y-%m-%dT%H:%M:%S"
+            ).month
+            == datetime.date.today().month,
+            saved_collection_posts,
+        )
+    )
     return saved_collection_posts
 
 
@@ -42,14 +54,18 @@ def create_community_roundup_post(subreddit, posts):
         )
     )
 
-    title = "Community Roundup: List of must read posts & discussions that happened this month - {month} {year}".format(month=datetime.date.today().strftime("%B"), year=datetime.date.today().year)
+    title = "Community Roundup: List of must read posts & discussions that happened this month - {month} {year}".format(
+        month=datetime.date.today().strftime("%B"), year=datetime.date.today().year
+    )
     footer_text = """\n\n
+---
+
 **Community Roundup is posted on the last day of every month. You can find the [schedule on our events calendar](https://developersindia.in/events-calendar). To find the list of all [interesting posts & community threads, checkout our wiki](https://www.reddit.com/r/developersIndia/wiki/community-threads/).**
 """
     posts_counter = 0
     for post in posts:
         posts_counter += 1
-        text += f"{posts_counter}. [{post['title']}]({post['url']})\n"
+        text += f"#### {posts_counter}. [{post['title']}]({post['url']})\n"
 
     text = text + footer_text
 
@@ -64,23 +80,28 @@ def create_community_roundup_post(subreddit, posts):
 
     return submission
 
+
 def main():
     reddit = praw.Reddit(
         client_id=client_id,
         client_secret=client_secret,
         username=username,
         password=reddit_pass,
-        user_agent=user_agent
+        user_agent=user_agent,
     )
 
     subreddit = reddit.subreddit(sub)
 
     if is_last_day_of_month():
         posts = get_monthly_roundup()
+        if len(posts) == 0:
+            print("No posts found in the collection for this month. Skipping")
+            return
         create_community_roundup_post(subreddit, posts)
         print("Community Roundup post created successfully!")
     else:
         print("Skipping. Not the last day of the month")
 
+
 if __name__ == "__main__":
     main()