private async Task <DriveFile> GetParentFolderDo(string folderId)
{
FilesResource.GetRequest request = _service.Files.Get(folderId);
request.Fields = "id, name, parents";
DriveFile folder = await request.ExecuteAsync();
request = _service.Files.Get(folder.Parents[0]);
return(await request.ExecuteAsync());
}
public async Task <FileInfo> GetFileInfoAsync(string id)
{
FilesResource.GetRequest request = _driveService.Files.Get(id);
request.Fields = GetFields;
File file = await request.ExecuteAsync();
return(GetInfo(file));
}
private async Task <string> GetFileFullNameAsync(File file, DriveService service)
{
if (file.Parents == null || !file.Parents.Any())
{
// stop when we get to the root ('My Drive' folder)
return(string.Empty);
}
string parentId = file.Parents[0];
File parent = await _cache.GetOrCreateAsync <File>(key : parentId, async entry =>
{
FilesResource.GetRequest getRequest = service.Files.Get(parentId);
getRequest.Fields = "id, name, parents";
File item = await getRequest.ExecuteAsync();
entry.SetSize(1);
return(item);
});
return(Path.Combine(await GetFileFullNameAsync(parent, service), file.Name));
}
//--------------------------------------------------------------------------------------------------
public static async Task <Google.Apis.Drive.v3.Data.File> GetRootFolderAsync()
{
FilesResource.GetRequest rootFolderReq = Service.Files.Get("root");
rootFolderReq.Fields = "id, name, parents";
return(await rootFolderReq.ExecuteAsync());
}
public async Task <IActionResult> GetDocuments(string documentId)
{
string webFolder = "1IjWXjO_2rthBbp77-FsPXp1im7yxTjkw";
var documentViewModel = new DocumentViewModel();
var breadcrumb = -1;
var breadcrumbList = new List <Tuple <string, string> >();
var folderList = new List <Document>();
var documentList = new List <Document>();
var json = System.IO.File.ReadAllText("client_secrets.json");
JObject cr = (JObject)JsonConvert.DeserializeObject(json);
var credential = new ServiceAccountCredential(new ServiceAccountCredential.Initializer(cr.GetValue("client_email").ToString())
{
Scopes = new[] {
DriveService.Scope.Drive
}
}.FromPrivateKey(cr.GetValue("private_key").ToString()));
var service = new DriveService(new BaseClientService.Initializer()
{
HttpClientInitializer = credential
});
try
{
if (String.IsNullOrEmpty(documentId))
{
documentId = webFolder;
}
FilesResource.ListRequest listRequest = service.Files.List();
listRequest.Q = "'" + documentId + "' in parents";
listRequest.Fields = "nextPageToken, files(fileExtension, iconLink, id, mimeType, name, parents, thumbnailLink, webContentLink, webViewLink)";
listRequest.OrderBy = "name";
var fileList = await listRequest.ExecuteAsync();
var parentFile = fileList.Files[0];
breadcrumbList.Add(new Tuple <string, string>(parentFile.Parents[0], ""));
while ((parentFile.Parents != null) && (parentFile.Parents.Count > 0) && !parentFile.Parents[0].Equals(webFolder))
{
FilesResource.GetRequest parentRequest = service.Files.Get(parentFile.Parents[0]);
parentRequest.Fields = "id, name, parents";
parentFile = await parentRequest.ExecuteAsync();
if (parentFile.Parents != null)
{
breadcrumb = breadcrumbList.IndexOf(new Tuple <string, string>(parentFile.Id, ""));
if (breadcrumb >= 0)
{
breadcrumbList[breadcrumb] = new Tuple <string, string>(parentFile.Id, parentFile.Name);
}
breadcrumbList.Add(new Tuple <string, string>(parentFile.Parents[0], ""));
}
}
breadcrumb = breadcrumbList.IndexOf(new Tuple <string, string>(webFolder, ""));
if (breadcrumb >= 0)
{
breadcrumbList[breadcrumb] = new Tuple <string, string>(webFolder, "Home");
}
breadcrumbList.Reverse();
foreach (var file in fileList.Files)
{
Document currentDoc = new Document();
currentDoc.FileExtension = file.FileExtension;
currentDoc.IconLink = file.IconLink;
currentDoc.Id = file.Id;
currentDoc.MimeType = file.MimeType;
currentDoc.Name = file.Name;
currentDoc.Parents = file.Parents;
currentDoc.ThumbnailLink = "https://drive.google.com/thumbnail?authuser=0&sz=s200&id=" + currentDoc.Id;
currentDoc.WebContentLink = file.WebContentLink;
currentDoc.WebViewLink = file.WebViewLink;
if (currentDoc.MimeType.Equals("application/vnd.google-apps.folder", StringComparison.OrdinalIgnoreCase))
{
folderList.Add(currentDoc);
}
else
{
documentList.Add(currentDoc);
}
}
}
catch
{
// Ignore this exception...cause it's a Google issue
}
documentViewModel.breadcrumbs = breadcrumbList;
documentViewModel.folders = folderList;
documentViewModel.documents = documentList;
return(PartialView("Components/Resources/Default", documentViewModel));
}
public async Task <long> ContentLength(CancellationToken cancellationToken = default)
{
var response = await _getRequest.ExecuteAsync(cancellationToken);
return(response.Size.GetValueOrDefault());
}
