.gitignore

@@ -5,4 +5,4 @@
 /.venv
 
 # Database
-users_subscribes.db
+/bot.db

database_interaction.py

@@ -1,20 +1,12 @@
 import sqlite3
 class Database():
-    __instance = None
-
-    def __new__(cls, *args, **kwargs):
-        if cls.__instance is None:
-            cls.__instance = super().__new__(cls)
-
-        return cls.__instance    
-
-    def __init__(self):
-        self.conn = sqlite3.connect('users_subscribes.db')
+    def __init__(self, path):
+        self.conn = sqlite3.connect(path)
         self.cur = self.conn.cursor()
-        self.cur.execute('CREATE TABLE users (id INTEGER, telegram_id NUMERIC, PRIMARY KEY(id))')
-        self.cur.execute('CREATE TABLE feeds (id INTEGER, link TEXT, PRIMARY KEY(id))')
-        self.cur.execute('CREATE TABLE subscribes (user_id INTEGER, feed_id INTEGER, FOREIGN KEY(user_id) REFERENCES users(id), FOREIGN KEY(feed_id) REFERENCES feeds(id))')
-        self.cur.execute('CREATE TABLE feeds_last_items (feed_id INTEGER, link TEXT, title TEXT, description TEXT, date NUMERIC, FOREIGN KEY(feed_id) REFERENCES feeds(id))')    
+        self.cur.execute('CREATE TABLE IF NOT EXISTS users (id INTEGER, telegram_id NUMERIC, PRIMARY KEY(id))')
+        self.cur.execute('CREATE TABLE IF NOT EXISTS feeds (id INTEGER, link TEXT, PRIMARY KEY(id))')
+        self.cur.execute('CREATE TABLE IF NOT EXISTS subscribes (user_id INTEGER, feed_id INTEGER, FOREIGN KEY(user_id) REFERENCES users(id), FOREIGN KEY(feed_id) REFERENCES feeds(id))')
+        self.cur.execute('CREATE TABLE IF NOT EXISTS feeds_last_items (feed_id INTEGER, link TEXT, title TEXT, description TEXT, date NUMERIC, FOREIGN KEY(feed_id) REFERENCES feeds(id))')    
 
     def add_rss_feed():
         pass