Migrate to async_pymongo

modules/database.py

@@ -1,11 +1,9 @@
-"""Module that provides all database columns"""
+"""Module that provides all database collections"""
 
-from pymongo import MongoClient
-from ujson import loads
+from async_pymongo import AsyncClient
+from libbot.sync import config_get
 
-with open("config.json", "r", encoding="utf-8") as f:
-    db_config = loads(f.read())["database"]
-    f.close()
+db_config = config_get("database")
 
 if db_config["user"] is not None and db_config["password"] is not None:
     con_string = "mongodb://{0}:{1}@{2}:{3}/{4}".format(
@@ -20,13 +18,7 @@ else:
         db_config["host"], db_config["port"], db_config["name"]
     )
 
-db_client = MongoClient(con_string)
+db_client = AsyncClient(con_string)
 db = db_client.get_database(name=db_config["name"])
 
-collections = db.list_collection_names()
-
-for collection in ["users"]:
-    if collection not in collections:
-        db.create_collection(collection)
-
 col_users = db.get_collection("users")