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from flask import current_app, request
from flask_login import current_user
from flask_restful import Resource, marshal_with
import services
from controllers.console import api
from controllers.console.datasets.error import (
FileTooLargeError,
NoFileUploadedError,
TooManyFilesError,
UnsupportedFileTypeError,
)
from controllers.console.setup import setup_required
from controllers.console.wraps import account_initialization_required, cloud_edition_billing_resource_check
from fields.file_fields import file_fields, upload_config_fields
from libs.login import login_required
from services.file_service import ALLOWED_EXTENSIONS, UNSTRUSTURED_ALLOWED_EXTENSIONS, FileService
PREVIEW_WORDS_LIMIT = 3000
class FileApi(Resource):
@setup_required
@login_required
@account_initialization_required
@marshal_with(upload_config_fields)
def get(self):
file_size_limit = current_app.config.get("UPLOAD_FILE_SIZE_LIMIT")
batch_count_limit = current_app.config.get("UPLOAD_FILE_BATCH_LIMIT")
image_file_size_limit = current_app.config.get("UPLOAD_IMAGE_FILE_SIZE_LIMIT")
return {
'file_size_limit': file_size_limit,
'batch_count_limit': batch_count_limit,
'image_file_size_limit': image_file_size_limit
}, 200
@setup_required
@login_required
@account_initialization_required
@marshal_with(file_fields)
@cloud_edition_billing_resource_check(resource='documents')
def post(self):
# get file from request
file = request.files['file']
# check file
if 'file' not in request.files:
raise NoFileUploadedError()
if len(request.files) > 1:
raise TooManyFilesError()
try:
upload_file = FileService.upload_file(file, current_user)
except services.errors.file.FileTooLargeError as file_too_large_error:
raise FileTooLargeError(file_too_large_error.description)
except services.errors.file.UnsupportedFileTypeError:
raise UnsupportedFileTypeError()
return upload_file, 201
class FilePreviewApi(Resource):
@setup_required
@login_required
@account_initialization_required
def get(self, file_id):
file_id = str(file_id)
text = FileService.get_file_preview(file_id)
return {'content': text}
class FileSupportTypeApi(Resource):
@setup_required
@login_required
@account_initialization_required
def get(self):
etl_type = current_app.config['ETL_TYPE']
allowed_extensions = UNSTRUSTURED_ALLOWED_EXTENSIONS if etl_type == 'Unstructured' else ALLOWED_EXTENSIONS
return {'allowed_extensions': allowed_extensions}
api.add_resource(FileApi, '/files/upload')
api.add_resource(FilePreviewApi, '/files/<uuid:file_id>/preview')
api.add_resource(FileSupportTypeApi, '/files/support-type')
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