firestore_rename_collection.py

import firebase_admin
from firebase_admin import credentials
from firebase_admin import firestore

# 1. Initialize Firebase Admin SDK
cred = credentials.Certificate('./e-naira-firebase-adminsdk.json')
firebase_admin.initialize_app(cred)
db = firestore.client()

# 2. Read all the documents from the original collection
old_collection = db.collection('_offline_transactions')
documents = old_collection.stream()

for doc in documents:
    # 3. Write each of those documents to the new collection
    new_doc_ref = db.collection('_offline_transactions1').document(doc.id)
    new_doc_ref.set(doc.to_dict())
    
    # 4. Delete the document from the old collection
    doc.reference.delete()

print("Collection renamed successfully!")