Files
encoach_backend/app/repositories/impl/file_storage/firebase.py
2024-10-01 19:31:01 +01:00

84 lines
3.3 KiB
Python

import logging
from typing import Optional
import aiofiles
from httpx import AsyncClient
from app.repositories.abc import IFileStorage
class FirebaseStorage(IFileStorage):
def __init__(self, client: AsyncClient, token: str, bucket: str):
self._httpx_client = client
self._token = token
self._storage_url = f'https://firebasestorage.googleapis.com/v0/b/{bucket}'
self._logger = logging.getLogger(__name__)
async def download_firebase_file(self, source_blob_name: str, destination_file_name: str) -> Optional[str]:
source_blob_name = source_blob_name.replace('/', '%2F')
download_url = f"{self._storage_url}/o/{source_blob_name}?alt=media"
response = await self._httpx_client.get(
download_url,
headers={'Authorization': f'Firebase {self._token}'}
)
if response.status_code == 200:
async with aiofiles.open(destination_file_name, 'wb') as file:
await file.write(response.content)
self._logger.info(f"File downloaded to {destination_file_name}")
return destination_file_name
else:
self._logger.error(f"Failed to download blob {source_blob_name}. {response.status_code} - {response.content}")
return None
async def upload_file_firebase_get_url(self, destination_blob_name: str, source_file_name: str) -> Optional[str]:
destination_blob_name = destination_blob_name.replace('/', '%2F')
upload_url = f"{self._storage_url}/o/{destination_blob_name}"
async with aiofiles.open(source_file_name, 'rb') as file:
file_bytes = await file.read()
response = await self._httpx_client.post(
upload_url,
headers={
'Authorization': f'Firebase {self._token}',
"X-Goog-Upload-Protocol": "multipart"
},
files={
'metadata': (None, '{"metadata":{"test":"testMetadata"}}', 'application/json'),
'file': file_bytes
}
)
if response.status_code == 200:
self._logger.info(f"File {source_file_name} uploaded to {self._storage_url}/o/{destination_blob_name}.")
# TODO: Test this
#await self.make_public(destination_blob_name)
file_url = f"{self._storage_url}/o/{destination_blob_name}"
return file_url
else:
self._logger.error(f"Failed to upload file {source_file_name}. Error: {response.status_code} - {str(response.content)}")
return None
async def make_public(self, destination_blob_name: str):
acl_url = f"{self._storage_url}/o/{destination_blob_name}/acl"
acl = {'entity': 'allUsers', 'role': 'READER'}
response = await self._httpx_client.post(
acl_url,
headers={
'Authorization': f'Bearer {self._token}',
'Content-Type': 'application/json'
},
json=acl
)
if response.status_code == 200:
self._logger.info(f"Blob {destination_blob_name} is now public.")
else:
self._logger.error(f"Failed to make blob {destination_blob_name} public. {response.status_code} - {response.content}")