public async Task <List <GoogleDriveFolder> > GetFoldersAsync(string folderId)
{
var drive = await GetDriveAsync();
var listRequest = drive.Files.List();
listRequest.Q = $"'{folderId}' in parents and mimeType='application/vnd.google-apps.folder'";
listRequest.Fields = "files(*)";
var folders = await listRequest.ExecuteAsync();
var result = new List <GoogleDriveFolder>();
foreach (var file in folders.Files)
{
var folder = new GoogleDriveFolder {
Id = file.Id, Name = file.Name
};
folder.ParentId = file.Parents.FirstOrDefault();
result.Add(folder);
listRequest.Q = $"'{folderId}' in parents and mimeType='image/jpeg'";
listRequest.Fields = "files(*)";
var images = await listRequest.ExecuteAsync();
if (!images.Files.Any())
{
listRequest.Q = $"'{file.Id}' in parents and mimeType='image/jpeg'";
listRequest.Fields = "files(*)";
images = await listRequest.ExecuteAsync();
if (!images.Files.Any())
{
continue;
}
}
var image = images.Files.FirstOrDefault(e => Regex.IsMatch(e.Name, @"^[a-zA-Z]+$")) ?? images.Files.First();
folder.Url = image.WebContentLink;
using (var memoryStream = new MemoryStream())
{
await drive.Files.Get(image.Id).DownloadAsync(memoryStream);
memoryStream.Position = 0;
folder.Base64Img = Convert.ToBase64String(memoryStream.ToArray());
}
}
return(result);
}
public async Task <List <GoogleDriveFolder> > GetFoldersByCategoryAsync(string folderId)
{
var drive = await GetDriveAsync();
var listRequest = drive.Files.List();
listRequest.Q = $"'{folderId}' in parents and mimeType='application/vnd.google-apps.folder'";
listRequest.Fields = "files(*)";
var folders = await listRequest.ExecuteAsync();
var result = new List <GoogleDriveFolder>();
foreach (var file in folders.Files)
{
var folder = new GoogleDriveFolder {
Id = file.Id, Name = file.Name
};
folder.ParentId = file.Parents.FirstOrDefault();
result.Add(folder);
listRequest.Q = $"'{file.Id}' in parents and mimeType='image/jpeg'";
listRequest.Fields = "files(*)";
var images = await listRequest.ExecuteAsync();
if (!images.Files.Any())
{
continue;
}
var image = images.Files.FirstOrDefault(e => Regex.IsMatch(e.Name, @"^[a-zA-Z]+$")) ?? images.Files.First();
folder.Url = image.WebContentLink;
//HttpWebRequest httpWebRequest = WebRequest.Create(image.WebContentLink) as HttpWebRequest;
//httpWebRequest.Method = "HEAD";
//httpWebRequest.AllowAutoRedirect = false;
//HttpWebResponse httpWebResponse = await httpWebRequest.GetResponseAsync() as HttpWebResponse;
// httpWebResponse.StatusCode == HttpStatusCode.Redirect ? httpWebResponse.GetResponseHeader("Location") : image.WebContentLink;
}
return(result);
}