Migrate to motor for DB interaction

api/database/db.py

@@ -0,0 +1,27 @@
+import logging
+
+import motor.motor_asyncio
+
+from app.config import get_settings, Settings
+
+logger = logging.getLogger("api")
+
+settings: Settings = get_settings()
+
+# Connect to MongoDB instance
+mongo_str = f"mongodb://{settings.db_user}:{settings.db_pwd}@{settings.db_uri}:{settings.db_port}?authSource={settings.db_name}"
+
+client = motor.motor_asyncio.AsyncIOMotorClient(mongo_str)
+db_client = client[settings.db_name]
+
+# Test db connection
+try:
+    client.admin.command("ping")
+    logger.info("Pinged MongoDB deployment. Successfully connected to MongoDB.")
+except Exception as e:
+    logger.error(e)
+
+# Get db collections
+user_collection = db_client["user"]
+flight_collection = db_client["flight"]
+token_collection = db_client["token_blacklist"]