Removed database repository

database.py

@@ -1,42 +0,0 @@
-import sqlite3
-import json
-from typing import List, Dict, Any
-
-class Database:
-    def __init__(self, db_file='telegram_bot.db'):
-        self.db_file = db_file
-        self.conn = sqlite3.connect(self.db_file)
-        self.create_tables()
-
-    def create_tables(self):
-        with self.conn:
-            self.conn.execute('''
-                CREATE TABLE IF NOT EXISTS conversations (
-                    user_id INTEGER PRIMARY KEY,
-                    history TEXT
-                )
-            ''')
-
-    def save_conversation(self, user_id: int, history: List[Dict[str, Any]]):
-        with self.conn:
-            self.conn.execute('''
-                INSERT OR REPLACE INTO conversations (user_id, history)
-                VALUES (?, ?)
-            ''', (user_id, json.dumps(history)))
-
-    def get_conversation(self, user_id: int) -> List[Dict[str, Any]]:
-        cursor = self.conn.execute('SELECT history FROM conversations WHERE user_id = ?', (user_id,))
-        result = cursor.fetchone()
-        if result:
-            return json.loads(result[0])
-        return []
-
-    def clear_conversation(self, user_id: int):
-        with self.conn:
-            self.conn.execute('DELETE FROM conversations WHERE user_id = ?', (user_id,))
-
-    def close(self):
-        self.conn.close()
-
-# Create a global instance of the Database class
-db = Database()