9782e31ae5
- Improved DocumentVersion storage attributes to reflect Minio settings - Added size to DocumentVersions to easily calculate usage - License / LicenseTier forms and views added
87 lines
3.7 KiB
Python
87 lines
3.7 KiB
Python
from minio import Minio
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from minio.error import S3Error
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from flask import Flask
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import io
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from werkzeug.datastructures import FileStorage
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class MinioClient:
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def __init__(self):
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self.client = None
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def init_app(self, app: Flask):
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self.client = Minio(
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app.config['MINIO_ENDPOINT'],
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access_key=app.config['MINIO_ACCESS_KEY'],
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secret_key=app.config['MINIO_SECRET_KEY'],
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secure=app.config.get('MINIO_USE_HTTPS', False)
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)
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app.logger.info(f"MinIO client initialized with endpoint: {app.config['MINIO_ENDPOINT']}")
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def generate_bucket_name(self, tenant_id):
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return f"tenant-{tenant_id}-bucket"
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def create_tenant_bucket(self, tenant_id):
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bucket_name = self.generate_bucket_name(tenant_id)
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try:
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if not self.client.bucket_exists(bucket_name):
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self.client.make_bucket(bucket_name)
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return bucket_name
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return bucket_name
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except S3Error as err:
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raise Exception(f"Error occurred while creating bucket: {err}")
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def generate_object_name(self, document_id, language, version_id, filename):
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return f"{document_id}/{language}/{version_id}/{filename}"
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def upload_document_file(self, tenant_id, document_id, language, version_id, filename, file_data):
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bucket_name = self.generate_bucket_name(tenant_id)
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object_name = self.generate_object_name(document_id, language, version_id, filename)
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try:
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if isinstance(file_data, FileStorage):
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file_data = file_data.read()
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elif isinstance(file_data, io.BytesIO):
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file_data = file_data.getvalue()
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elif isinstance(file_data, str):
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file_data = file_data.encode('utf-8')
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elif not isinstance(file_data, bytes):
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raise TypeError('Unsupported file type. Expected FileStorage, BytesIO, str, or bytes.')
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self.client.put_object(
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bucket_name, object_name, io.BytesIO(file_data), len(file_data)
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)
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return bucket_name, object_name, len(file_data)
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except S3Error as err:
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raise Exception(f"Error occurred while uploading file: {err}")
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def download_document_file(self, tenant_id, document_id, language, version_id, filename):
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bucket_name = self.generate_bucket_name(tenant_id)
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object_name = self.generate_object_name(document_id, language, version_id, filename)
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try:
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response = self.client.get_object(bucket_name, object_name)
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return response.read()
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except S3Error as err:
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raise Exception(f"Error occurred while downloading file: {err}")
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def list_document_files(self, tenant_id, document_id, language=None, version_id=None):
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bucket_name = self.generate_bucket_name(tenant_id)
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prefix = f"{document_id}/"
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if language:
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prefix += f"{language}/"
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if version_id:
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prefix += f"{version_id}/"
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try:
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objects = self.client.list_objects(bucket_name, prefix=prefix, recursive=True)
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return [obj.object_name for obj in objects]
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except S3Error as err:
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raise Exception(f"Error occurred while listing files: {err}")
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def delete_document_file(self, tenant_id, document_id, language, version_id, filename):
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bucket_name = self.generate_bucket_name(tenant_id)
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object_name = self.generate_object_name(document_id, language, version_id, filename)
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try:
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self.client.remove_object(bucket_name, object_name)
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return True
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except S3Error as err:
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raise Exception(f"Error occurred while deleting file: {err}")
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