public async Task <Document> GetDocument(string token)
{
if (_recordUri < 1)
{
throw new ApplicationException("Invalid Uri");
}
if (_database == null || !_database.IsConnected)
{
throw new ApplicationException("Invalid database");
}
var response = new Document()
{
UserHasAccess = true
};
var record = new Record(_database, _recordUri);
string driveId = record.GetDriveId();
if (!string.IsNullOrWhiteSpace(driveId))
{
OneDriveItem fileResult = null;
try
{
fileResult = await ODataHelper.GetItem <OneDriveItem>(GraphApiHelper.GetOneDriveItemIdUrl(driveId), token, null);
}
catch (Exception ex)
{
response.UserHasAccess = false;
}
if (response.UserHasAccess == false)
{
token = Tokens.getApplicationToken();
fileResult = await ODataHelper.GetItem <OneDriveItem>(GraphApiHelper.GetOneDriveItemIdUrl(driveId), token, null);
}
response.WebUrl = fileResult.WebUrl;
response.WebDavUrl = fileResult.WebDavUrl;
response.MimeType = fileResult.File.MimeType;
}
else if (record.IsElectronic)
{
try
{
string folderId = string.Empty;
var documentFolder = await ODataHelper.PostFolder <OneDriveItem>(GraphApiHelper.GetOneDriveChildrenUrl(), token);
folderId = documentFolder.Id;
if (!record.IsDocumentInClientCache)
{
record.LoadDocumentIntoClientCache();
}
string fileName = record.GetFileName();
var uploadedFile = await doUpload(record.DocumentPathInClientCache, fileName, token);
bool checkout = true;
if (record.IsCheckedOut && record.CheckedOutTo.Uri == _database.CurrentUser.Uri)
{
checkout = false;
}
record.GetDocument(null, checkout, null, uploadedFile.ParentReference.DriveId + "/items/" + uploadedFile.Id);
record.SetDriveId(uploadedFile.ParentReference.DriveId + "/items/" + uploadedFile.Id); // uploadedFile. fileItem.getDriveAndId();
record.Save();
response.WebUrl = uploadedFile.WebUrl;
response.WebDavUrl = uploadedFile.WebDavUrl;
}
catch
{
try
{
record.UndoCheckout(null);
}
catch { }
// return new Error
throw;
}
}
else
{
throw new Exception("Record is not a valid document.");
}
return(response);
}
private async Task <Microsoft.Graph.DriveItem> doUpload(string filePath, string fileName, string token)
{
var graphServiceClient = getClient(token);
string userFolder = Path.Combine("ForUser", _database.CurrentUser.Uri.ToString());
string fullUserFolder = Path.Combine(_uploadBasePath, userFolder);
//string fileName = $"{Guid.NewGuid()}.docx";
if (!System.IO.Directory.Exists(fullUserFolder))
{
System.IO.Directory.CreateDirectory(fullUserFolder);
}
string tempPath = Path.Combine(fullUserFolder, Path.GetFileName(filePath));
System.IO.File.Copy(filePath, tempPath, true);
FileInfo fileInfo = new FileInfo(tempPath);
fileInfo.IsReadOnly = false;
autoOpen(tempPath);
// autoOpen(tempPath);
using (var file = System.IO.File.OpenRead(tempPath))
{
var documentFolder = await ODataHelper.PostFolder <OneDriveItem>(GraphApiHelper.GetOneDriveChildrenUrl(), token);
var uploadSession = await graphServiceClient.Drives[documentFolder.ParentReference.DriveId].Items[documentFolder.Id].ItemWithPath(fileName).CreateUploadSession().Request().PostAsync();
string ul = uploadSession.UploadUrl += "&$select=Id,ParentReference,WebUrl,WebDavUrl";
var maxChunkSize = (320 * 1024) * 10; // 5000 KB - Change this to your chunk size. 5MB is the default.
var provider = new ChunkedUploadProvider(uploadSession, graphServiceClient, file, maxChunkSize);
try
{
// Setup the chunk request necessities
var chunkRequests = provider.GetUploadChunkRequests();
var readBuffer = new byte[maxChunkSize];
var trackedExceptions = new List <Exception>();
DriveItem itemResult = null;
//upload the chunks
foreach (var request in chunkRequests)
{
// Do your updates here: update progress bar, etc.
// ...
// Send chunk request
var result = await provider.GetChunkRequestResponseAsync(request, readBuffer, trackedExceptions);
if (result.UploadSucceeded)
{
itemResult = result.ItemResponse;
}
}
// Check that upload succeeded
if (itemResult != null)
{
return(itemResult);
}
}
catch
{
await provider.DeleteSession();
throw;
}
}
System.IO.File.Delete(tempPath);
throw new ApplicationException("Upload failed.");
}
