108 lines
4.6 KiB
Python
108 lines
4.6 KiB
Python
from minio import Minio
|
|
from minio.error import S3Error
|
|
from flask import Flask
|
|
import io
|
|
from werkzeug.datastructures import FileStorage
|
|
|
|
class MinioClient:
|
|
def __init__(self):
|
|
self.client = None
|
|
|
|
def init_app(self, app: Flask):
|
|
self.client = Minio(
|
|
app.config['MINIO_ENDPOINT'],
|
|
access_key=app.config['MINIO_ACCESS_KEY'],
|
|
secret_key=app.config['MINIO_SECRET_KEY'],
|
|
secure=app.config.get('MINIO_USE_HTTPS', False)
|
|
)
|
|
app.logger.info(f"MinIO client initialized with endpoint: {app.config['MINIO_ENDPOINT']}")
|
|
|
|
def generate_bucket_name(self, tenant_id):
|
|
return f"tenant-{tenant_id}-bucket"
|
|
|
|
def create_tenant_bucket(self, tenant_id):
|
|
bucket_name = self.generate_bucket_name(tenant_id)
|
|
try:
|
|
if not self.client.bucket_exists(bucket_name):
|
|
self.client.make_bucket(bucket_name)
|
|
return bucket_name
|
|
return bucket_name
|
|
except S3Error as err:
|
|
raise Exception(f"Error occurred while creating bucket: {err}")
|
|
|
|
def generate_object_name(self, document_id, language, version_id, filename):
|
|
return f"{document_id}/{language}/{version_id}/{filename}"
|
|
|
|
def generate_asset_name(self, asset_version_id, file_name, content_type):
|
|
return f"assets/{asset_version_id}/{file_name}.{content_type}"
|
|
|
|
def upload_document_file(self, tenant_id, document_id, language, version_id, filename, file_data):
|
|
bucket_name = self.generate_bucket_name(tenant_id)
|
|
object_name = self.generate_object_name(document_id, language, version_id, filename)
|
|
|
|
try:
|
|
if isinstance(file_data, FileStorage):
|
|
file_data = file_data.read()
|
|
elif isinstance(file_data, io.BytesIO):
|
|
file_data = file_data.getvalue()
|
|
elif isinstance(file_data, str):
|
|
file_data = file_data.encode('utf-8')
|
|
elif not isinstance(file_data, bytes):
|
|
raise TypeError('Unsupported file type. Expected FileStorage, BytesIO, str, or bytes.')
|
|
|
|
self.client.put_object(
|
|
bucket_name, object_name, io.BytesIO(file_data), len(file_data)
|
|
)
|
|
return bucket_name, object_name, len(file_data)
|
|
except S3Error as err:
|
|
raise Exception(f"Error occurred while uploading file: {err}")
|
|
|
|
def upload_asset_file(self, bucket_name, asset_version_id, file_name, file_type, file_data):
|
|
object_name = self.generate_asset_name(asset_version_id, file_name, file_type)
|
|
|
|
try:
|
|
if isinstance(file_data, FileStorage):
|
|
file_data = file_data.read()
|
|
elif isinstance(file_data, io.BytesIO):
|
|
file_data = file_data.getvalue()
|
|
elif isinstance(file_data, str):
|
|
file_data = file_data.encode('utf-8')
|
|
elif not isinstance(file_data, bytes):
|
|
raise TypeError('Unsupported file type. Expected FileStorage, BytesIO, str, or bytes.')
|
|
|
|
self.client.put_object(
|
|
bucket_name, object_name, io.BytesIO(file_data), len(file_data)
|
|
)
|
|
return object_name, len(file_data)
|
|
except S3Error as err:
|
|
raise Exception(f"Error occurred while uploading asset: {err}")
|
|
|
|
def download_document_file(self, tenant_id, bucket_name, object_name):
|
|
try:
|
|
response = self.client.get_object(bucket_name, object_name)
|
|
return response.read()
|
|
except S3Error as err:
|
|
raise Exception(f"Error occurred while downloading file: {err}")
|
|
|
|
def list_document_files(self, tenant_id, document_id, language=None, version_id=None):
|
|
bucket_name = self.generate_bucket_name(tenant_id)
|
|
prefix = f"{document_id}/"
|
|
if language:
|
|
prefix += f"{language}/"
|
|
if version_id:
|
|
prefix += f"{version_id}/"
|
|
try:
|
|
objects = self.client.list_objects(bucket_name, prefix=prefix, recursive=True)
|
|
return [obj.object_name for obj in objects]
|
|
except S3Error as err:
|
|
raise Exception(f"Error occurred while listing files: {err}")
|
|
|
|
def delete_document_file(self, tenant_id, document_id, language, version_id, filename):
|
|
bucket_name = self.generate_bucket_name(tenant_id)
|
|
object_name = self.generate_object_name(document_id, language, version_id, filename)
|
|
try:
|
|
self.client.remove_object(bucket_name, object_name)
|
|
return True
|
|
except S3Error as err:
|
|
raise Exception(f"Error occurred while deleting file: {err}")
|