deleted unused file

core/database/base.py

@@ -1,27 +0,0 @@
-from __future__ import annotations
-
-import logging
-import os
-
-from dotenv import load_dotenv
-from pymongo import MongoClient
-
-
-def connect():
-    """Connect to MongoDB."""
-    # load env vars
-    load_dotenv()
-    necessary_env_vars = [
-        'MONGO_HOST',
-        'MONGO_DB',
-        'MONGO_COLLECTION',
-    ]
-    for env_var in necessary_env_vars:
-        assert env_var in os.environ, f"{env_var} not found"
-    # connect to database
-    client = MongoClient(os.getenv('MONGO_HOST'))
-    db = client[os.getenv('MONGO_DB')]
-    collection = db[os.getenv('MONGO_COLLECTION')]
-    collection.create_index('name', unique=True)
-    logging.info('connected to database')
-    return collection, db, client