Init

main.py

@@ -0,0 +1,72 @@
+import asyncio
+from asyncio.queues import Queue
+
+from datetime import date
+
+import hashlib
+from sqlitedict import SqliteDict
+from parsers import PARSERS
+from parsers.base import Announcement
+import aiogram
+
+
+BOT_TOKEN = "1111111111:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
+CHANNEL_ID = -1001872853621
+
+bot = aiogram.Bot(BOT_TOKEN)
+
+
+async def start_parsers(db: SqliteDict, queue: Queue) -> None:
+    await asyncio.gather(
+        *[parser.start_parse(db, queue) for parser in PARSERS]
+    )
+
+
+async def notify(item: Announcement) -> bool:
+    message = item.link
+
+    try:
+        await bot.send_message(CHANNEL_ID, message)
+        return True
+    except aiogram.exceptions.TelegramAPIError:
+        return False
+
+
+async def start_notifier(db: SqliteDict, queue: Queue) -> None:
+    while True:
+        item: Announcement = await queue.get()
+
+        link_hash = hashlib.md5(item.link.encode()).hexdigest()
+
+        current_value = db.get(link_hash, None)
+        item_date = item.update_date
+
+        if current_value != item_date.isoformat():
+            if item_date == date.today():
+                if await notify(item):
+                    db[link_hash] = item_date.isoformat()
+                    db.commit()
+            else:
+                db[link_hash] = item_date.isoformat()
+                db.commit()
+
+                await asyncio.sleep(1)
+
+
+async def main():
+    db = SqliteDict("notify.sqlite")
+
+    queue = Queue()
+
+    try:
+        await asyncio.gather(
+            start_parsers(db, queue),
+            start_notifier(db, queue)
+        )
+    finally:
+        db.close()
+
+
+if __name__ == "__main__":
+    while True:
+        asyncio.run(main())