download method
- String name, {
- String? mimeType,
- String? $fields,
- DownloadOptions downloadOptions = commons.DownloadOptions.metadata,
Gets an attachment.
To download attachment media via REST requires the alt=media query parameter. Returns a 400 bad request error if attachment media is not available in the requested MIME type.
Request parameters:
name
- Required. The name of the attachment.
Value must have pattern ^notes/\[^/\]+/attachments/\[^/\]+$
.
mimeType
- The IANA MIME type format requested. The requested MIME type
must be one specified in the attachment.mime_type. Required when
downloading attachment media and ignored otherwise.
$fields
- Selector specifying which fields to include in a partial
response.
downloadOptions
- Options for downloading. A download can be either a
Metadata (default) or Media download. Partial Media downloads are possible
as well.
Completes with a
-
Attachment for Metadata downloads (see
downloadOptions
). -
commons.Media for Media downloads (see
downloadOptions
).
Completes with a commons.ApiRequestError if the API endpoint returned an error.
If the used http.Client
completes with an error when making a REST call,
this method will complete with the same error.
Implementation
async.Future<core.Object> download(
core.String name, {
core.String? mimeType,
core.String? $fields,
commons.DownloadOptions downloadOptions = commons.DownloadOptions.metadata,
}) async {
final queryParams_ = <core.String, core.List<core.String>>{
if (mimeType != null) 'mimeType': [mimeType],
if ($fields != null) 'fields': [$fields],
};
final url_ = 'v1/' + core.Uri.encodeFull('$name');
final response_ = await _requester.request(
url_,
'GET',
queryParams: queryParams_,
downloadOptions: downloadOptions,
);
if (downloadOptions.isMetadataDownload) {
return Attachment.fromJson(
response_ as core.Map<core.String, core.dynamic>);
} else {
return response_ as commons.Media;
}
}