Clean up the code.

helper/firebase_helper.py

@@ -1,15 +1,7 @@
 import logging
 
+from firebase_admin import firestore
 from google.cloud import storage
-import os
-import uuid
-
-import firebase_admin
-from firebase_admin import credentials, firestore
-
-from dotenv import load_dotenv
-
-import app
 
 
 def download_firebase_file(bucket_name, source_blob_name, destination_file_name):
@@ -21,6 +13,7 @@ def download_firebase_file(bucket_name, source_blob_name, destination_file_name)
     logging.info(f"File uploaded to {destination_file_name}")
     return destination_file_name
 
+
 def upload_file_firebase(bucket_name, destination_blob_name, source_file_name):
     # Uploads a file to Firebase Storage.
     storage_client = storage.Client()
@@ -31,9 +24,11 @@ def upload_file_firebase(bucket_name, destination_blob_name, source_file_name):
         logging.info(f"File uploaded to {destination_blob_name}")
         return True
     except Exception as e:
+        import app
         app.app.logger.error("Error uploading file to Google Cloud Storage: " + str(e))
         return False
 
+
 def upload_file_firebase_get_url(bucket_name, destination_blob_name, source_file_name):
     # Uploads a file to Firebase Storage.
     storage_client = storage.Client()
@@ -50,9 +45,11 @@ def upload_file_firebase_get_url(bucket_name, destination_blob_name, source_file
         url = blob.public_url
         return url
     except Exception as e:
+        import app
         app.app.logger.error("Error uploading file to Google Cloud Storage: " + str(e))
         return None
 
+
 def save_to_db(collection: str, item):
     db = firestore.client()
     collection_ref = db.collection(collection)
@@ -77,6 +74,7 @@ def save_to_db_with_id(collection: str, item, id: str):
     else:
         return (False, None)
 
+
 def get_all(collection: str):
     db = firestore.client()
     collection_ref = db.collection(collection)
@@ -87,4 +85,3 @@ def get_all(collection: str):
     )
 
     return all_exercises
-