Files
notifications-api/app/clients/document_download.py
2021-03-12 11:45:45 +00:00

56 lines
2.1 KiB
Python

import requests
from flask import current_app
class DocumentDownloadError(Exception):
def __init__(self, message, status_code):
self.message = message
self.status_code = status_code
@classmethod
def from_exception(cls, e):
message = e.response.json()['error']
status_code = e.response.status_code
return cls(message, status_code)
class DocumentDownloadClient:
def init_app(self, app):
self.api_host = app.config['DOCUMENT_DOWNLOAD_API_HOST']
self.auth_token = app.config['DOCUMENT_DOWNLOAD_API_KEY']
def get_upload_url(self, service_id):
return "{}/services/{}/documents".format(self.api_host, service_id)
def upload_document(self, service_id, file_contents, is_csv=None):
try:
response = requests.post(
self.get_upload_url(service_id),
headers={
'Authorization': "Bearer {}".format(self.auth_token),
},
json={
'document': file_contents,
'is_csv': is_csv or False,
}
)
response.raise_for_status()
except requests.RequestException as e:
# if doc dl responds with a non-400, (eg 403) it's referring to credentials that the API and Doc DL use.
# we don't want to tell users about that, so anything that isn't a 400 (virus scan failed or file type
# unrecognised) should be raised as a 500 internal server error here.
if e.response is None:
raise Exception(f'Unhandled document download error: {repr(e)}')
elif e.response.status_code == 400:
error = DocumentDownloadError.from_exception(e)
current_app.logger.info(
'Document download request failed with error: {}'.format(error.message)
)
raise error
else:
raise Exception(f'Unhandled document download error: {e.response.text}')
return response.json()['document']['url']