skip posts that were posted already

main.py

@@ -5,6 +5,7 @@ import asyncio
 from dotenv import load_dotenv
 import sqlite3
 import os
+import re
 
 # this is a bot which posts the latest image post from ich_iel
 # the code probably sucks, but it works, so I don't care
@@ -24,7 +25,7 @@ async def post_reddit_periodically():
         await asyncio.sleep(int(os.getenv("INTERVAL", 3600)))
 
 async def get_latest_post(subreddit):
-    url = f"https://www.reddit.com/r/{subreddit}/hot.json?limit=5"
+    url = f"https://www.reddit.com/r/{subreddit}/hot.json?limit=20"
     headers = {"User-Agent": "Mozilla/5.0 (compatible; ich_iel-Bot/0.1)"}
     response = requests.get(url, headers=headers)
     if response.status_code == 200:
@@ -32,21 +33,34 @@ async def get_latest_post(subreddit):
             try:
                 data = response.json()
                 print(f"Fetched data from Reddit: {data}")
+                posts = []
                 if data["data"]["children"]:
                     for child in data["data"]["children"]:
                         post = child["data"]
                         if post.get("post_hint") == "image" and post.get("url", "").endswith((".jpg", ".png", ".jpeg", ".gif")):
                             print(f"Found image post: {post['title']} - {post['url']}")
-                            return post["title"], post["url"]
+                            posts.append((post["title"], post["url"]))
+                return posts
             except (KeyError, json.JSONDecodeError):
-                return None, None
+                return []
         else:
             print(f"Unexpected content type from Reddit: {response.headers.get('Content-Type')}")
             print(f"Response content: {response.text}")
-            return None, None
+            return []
     else:
         print(f"Failed to fetch Reddit data (maybe a block?): {response.status_code}")
-        return None, None
+        return []
+
+async def init_db():
+    try:
+        con = sqlite3.connect('data/ich_iel-bot.db')
+        con = con.cursor()
+        con.execute("CREATE TABLE IF NOT EXISTS channels (guild_id INTEGER PRIMARY KEY, channel_id INTEGER)")
+        con.execute("CREATE TABLE IF NOT EXISTS posted (guild_id INTEGER, post_id VARCHAR(255) PRIMARY KEY)")
+        con.connection.commit()
+        print("Database initialized successfully")
+    except sqlite3.Error as e:
+        print(f"Database initialization error: {e}")
 
 @bot.command()
 async def setChannel(message):
@@ -60,7 +74,6 @@ async def setChannel(message):
             try:
                 con = sqlite3.connect('data/ich_iel-bot.db')
                 con = con.cursor()
-                con.execute("CREATE TABLE IF NOT EXISTS channels (guild_id INTEGER PRIMARY KEY, channel_id INTEGER)")
                 con.execute("INSERT OR REPLACE INTO channels (guild_id, channel_id) VALUES (?, ?)", (guild_id, channel_id))
                 con.connection.commit()
                 await message.channel.send(f"Channel set to {channel_id}")
@@ -76,31 +89,48 @@ async def version(message):
     await message.channel.send("Version 0.2 is running")
 
 async def post_reddit():
-    subreddit = "ich_iel" # I guess I could make this editable through the env file, so it's not just a bot for ich_iel lol
-    title, image_url = await get_latest_post(subreddit)
-    if title and image_url:
+    subreddit = "ich_iel"
+    posts = await get_latest_post(subreddit)
+    if not posts:
+        print("No image posts found.")
+        return
     try:
-            con = sqlite3.connect('data/ich_iel-bot.db') # i like sqlite
+        con = sqlite3.connect('data/ich_iel-bot.db')
         con = con.cursor()
         con.execute("SELECT guild_id, channel_id FROM channels")
         rows = con.fetchall()
         if not rows:
             print("No channels set")
             return
+        for title, image_url in posts:
+            post_id_match = re.search(r"\/([^\/]+)\.(jpg|png|jpeg|gif)$", image_url)
+            if not post_id_match:
+                continue
+            post_id = post_id_match.group(1)
             for guild_id, channel_id in rows:
+                is_posted = con.execute("SELECT post_id FROM posted WHERE guild_id = ? AND post_id = ?", (guild_id, post_id)).fetchone()
+                if is_posted:
+                    print(f"Post {post_id} already posted in guild {guild_id}, skipping.")
+                    continue
                 try:
                     channel = await bot.fetch_channel(int(channel_id))
                     if channel:
                         await channel.send(f"{title}\nOriginal post: {image_url}")
+                        con.execute("INSERT OR REPLACE INTO posted (guild_id, post_id) VALUES (?, ?)", (guild_id, post_id))
+                        con.connection.commit()
+                        print(f"Posted to channel {channel_id} in guild {guild_id}")
+                        return
                     else:
                         print(f"Channel {channel_id} not found for guild {guild_id}")
                 except Exception as e:
                     print(f"Error sending to channel {channel_id}: {e}")
+        print("Alle gefundenen Posts wurden bereits gepostet.")
     except sqlite3.Error as e:
         print(f"Database error: {e}")
 
 if __name__ == "__main__":
     print("Starting bot...")
+    asyncio.run(init_db())
     TOKEN = os.getenv("FLUXER_TOKEN")
     if not TOKEN:
         print("Error: FLUXER_TOKEN not found in environment variables")