public void DownloadStyleList()
{
Task.Run(delegate
{
List <DriveFile> items = new List <DriveFile>();
// Define parameters of request
FilesResource.ListRequest listRequest = Service.Files.List();
listRequest.Fields = "nextPageToken, files(id, name, trashed)";
IList <Google.Apis.Drive.v3.Data.File> files = listRequest.Execute().Files;
/*
* The listRequest.Execute() retrieves all files and folders from Drive, recursively
* Filter out irrelevant data, the requirement of a style file is that it ends with "-style.zip"
*/
foreach (var file in files)
{
if (!((bool)file.Trashed) && file.Name.EndsWith(".zip", StringComparison.Ordinal))
{
items.Add(DriveFile.FromGoogleApiDriveFile(file));
}
}
if (ListDownloadComplete != null)
{
ListDownloadComplete(null, new ListDownloadEventArgs {
DriveFiles = items
});
}
});
}
public async Task <List <DriveFile> > DownloadFileList()
{
List <DriveFile> driveFiles = new List <DriveFile>();
// TODO AccessToken lifespan is 60 minutes. Re-request when 60 minutes have passed
if (AccessToken == null)
{
var response = await Authenticate();
AccessToken = response.Token;
}
// Set mime time as application/zip so it would only return zip files
string url = "https://www.googleapis.com/drive/v3/files?" + MimeType;
using (var client = new HttpClient())
{
client.DefaultRequestHeaders.Add("GData-Version", "3.0");
client.DefaultRequestHeaders.Add("Authorization", "Bearer " + AccessToken);
string result = await client.GetStringAsync(url);
Variant variant = Variant.FromString(result);
Variant files = variant.GetObjectElement("files");
for (int i = 0; i < files.ArraySize; i++)
{
Variant file = files.GetArrayElement(i);
driveFiles.Add(DriveFile.FromVariant(file));
}
}
return(driveFiles);
/*
* {
* "kind": "drive#fileList",
* "incompleteSearch": false,
* "files": [
* {
* "kind": "drive#file",
* "id": "0By9YoP-GLAu8ZzlsM08yLUtIZkU",
* "name": "bright-with-params-updated.zip",
* "mimeType": "application/zip"
* },
* {
* "kind": "drive#file",
* "id": "0By9YoP-GLAu8WWdlVGZfemVZVzQ",
* "name": "bright-cartocss-style-with-params.zip",
* "mimeType": "application/zip"
* },
* {
* "kind": "drive#file",
* "id": "0By9YoP-GLAu8TktwcHk1X3VZZVk",
* "name": "Magenta-Style.zip",
* "mimeType": "application/zip"
* },
* {
* "kind": "drive#file",
* "id": "0By9YoP-GLAu8QkxlYTBSZDBEaUk",
* "name": "blue-cartocss-style.zip",
* "mimeType": "application/zip"
* },
* {
* "kind": "drive#file",
* "id": "0By9YoP-GLAu8LUhfQlVCQTNGMWc",
* "name": "bright-cartocss-style.zip",
* "mimeType": "application/zip"
* }
* ]
* }
*/
}