def create_asset():
params = request.get_json() or request.form
asset_type = params.get('type')
category_id = params.get('categoryId')
description = params.get('description')
source = params.get('source')
url = params.get('url')
title = params.get('title', url)
visible = params.get('visible', True)
if not asset_type or not title:
raise BadRequestError('Asset creation requires title and type.')
if asset_type == 'link' and not url:
raise BadRequestError('Link asset creation requires url.')
if not current_user.course:
raise BadRequestError('Course data not found')
s3_attrs = {}
if asset_type == 'file':
file_upload = _get_upload_from_http_post()
s3_attrs = Asset.upload_to_s3(
filename=file_upload['name'],
byte_stream=file_upload['byte_stream'],
course_id=current_user.course.id,
)
asset = Asset.create(
asset_type=asset_type,
categories=category_id and [Category.find_by_id(category_id)],
course_id=current_user.course.id,
description=description,
download_url=s3_attrs.get('download_url', None),
mime=s3_attrs.get('content_type', None),
source=source,
title=title,
url=url,
users=[User.find_by_id(current_user.get_id())],
visible=visible,
)
return tolerant_jsonify(asset.to_api_json())
def create_file_submission_assets(self, course, user, category, assignment, submission, file_submission_tracker):
app.logger.info(
f'Will create file assets for submission attachments: '
f'user {user.canvas_user_id}, submission {submission.id}, assignment {assignment.id}, {_format_course(course)}')
for attachment in getattr(submission, 'attachments', []):
try:
if attachment['size'] > 10485760:
app.logger.debug('Attachment too large, will not process.')
continue
existing_submission_asset = file_submission_tracker.get(attachment['id'], None)
if existing_submission_asset:
app.logger.debug(f'Adding new user to existing file asset: user {user.canvas_user_id}, asset {existing_submission_asset.id}.')
existing_submission_asset.users.append(user)
db.session.add(existing_submission_asset)
std_commit()
else:
s3_attrs = Asset.upload_to_s3(
filename=attachment['filename'],
byte_stream=urlopen(attachment['url']).read(),
course_id=course.id,
)
file_submission_tracker[attachment['id']] = Asset.create(
asset_type='file',
canvas_assignment_id=assignment.id,
categories=[category],
course_id=course.id,
download_url=s3_attrs.get('download_url', None),
mime=s3_attrs.get('content_type', None),
title=attachment['filename'],
users=[user],
create_activity=False,
)
except Exception as e:
app.logger.error(
f'Failed to create file asset for an attachment: '
f'user {user.canvas_user_id}, submission {submission.id}, assignment {assignment.id}, {_format_course(course)}')
app.logger.exception(e)