public async Task UploadFile(string filePath, string folderId)
{
var client = await this.AuthenticationHelper
.EnsureSharePointClientCreatedAsync(
Office365Capabilities.MyFiles.ToString());
client.Context.IgnoreMissingProperties = true;
string filename = System.IO.Path.GetFileName(filePath);
using (FileStream fileStream = System.IO.File.OpenRead(filePath))
{
SPOFileServices.File file = new SPOFileServices.File()
{
Name = filename
};
if (!String.IsNullOrEmpty(folderId))
{
await client.Files.GetById(folderId).ToFolder().Children.AddItemAsync(file);
}
else
{
await client.Files.AddItemAsync(file);
}
await client.Files.GetById(file.Id).ToFile().UploadAsync(fileStream);
}
}
public async Task<File> UploadFile(System.IO.Stream filestream, string filename) {
var client = await EnsureClientCreated();
File newFile = new File {
Name = filename
};
// create the entry for the file
await client.Files.AddItemAsync(newFile);
await client.Files.GetById(newFile.Id).ToFile().UploadAsync(filestream);
return newFile;
}
//<summary>
//Creates a new file named demo.txt in the default document library.
//</summary>
//<returns>A Boolean value that indicates whether the new text file was successfully created.</returns>
internal async Task <String> CreateNewTextFileAsync()
{
//bool isSuccess = false;
String newID = string.Empty;
var sharePointClient = await AuthenticationHelper.EnsureSharePointClientCreatedAsync("MyFiles");
try
{
// First check whether demo.txt already exists. If it exists, delete it.
// If it doesn't exist, swallow the error.
IItem item = await sharePointClient.Files.GetByPathAsync("demo.txt");
await item.DeleteAsync();
}
catch (ODataErrorException)
{
// fail silently because demo.txt doesn't exist.
}
try
{
// In this example, we'll create a simple text file and write the current timestamp into it.
string createdTime = "Created at " + DateTime.Now.ToLocalTime().ToString();
byte[] bytes = Encoding.UTF8.GetBytes(createdTime);
using (MemoryStream stream = new MemoryStream(bytes))
{
// File is called demo.txt. If it already exists, we'll get an exception.
Microsoft.Office365.SharePoint.FileServices.File newFile = new Microsoft.Office365.SharePoint.FileServices.File
{
Name = "demo.txt"
};
// Create the empty file.
await sharePointClient.Files.AddItemAsync(newFile);
newID = newFile.Id;
// Upload the file contents.
await sharePointClient.Files.GetById(newFile.Id).ToFile().UploadAsync(stream);
}
}
// ODataErrorException can be thrown when you try to create a file that already exists.
catch (Microsoft.Data.OData.ODataErrorException)
{
//isSuccess = false;
}
return(newID);
}
/// <summary>
/// Reads the contents of a text file and displays the results in a TextBox.
/// </summary>
/// <param name="_selectedFileObject">The file selected in the ListBox.</param>
/// <returns>A Boolean value that indicates whether the text file was successfully read.</returns>
internal async Task <object[]> ReadTextFileAsync(string selectedItemID)
{
string fileContents = string.Empty;
object[] results = new object[] { fileContents, false };
try
{
// Make sure we have a reference to the SharePoint client
var spClient = await AuthenticationHelper.EnsureSharePointClientCreatedAsync("MyFiles");
// Get a handle on the selected item.
IItemFetcher thisItemFetcher = spClient.Files.GetById(selectedItemID);
IFileFetcher thisFileFetcher = thisItemFetcher.ToFile();
var myFile = await thisFileFetcher.ExecuteAsync();
// Check that the selected item is a .txt file.
if (!myFile.Name.EndsWith(".txt") && !myFile.Name.EndsWith(".xml"))
{
results[0] = string.Empty;
results[1] = false;
return(results);
}
Microsoft.Office365.SharePoint.FileServices.File file = myFile as Microsoft.Office365.SharePoint.FileServices.File;
// Download the text file and put the results into a string. This results in a call to the service.
using (Stream stream = await file.DownloadAsync())
{
using (StreamReader reader = new StreamReader(stream))
{
results[0] = await reader.ReadToEndAsync();
results[1] = true;
}
}
}
catch (NullReferenceException)
{
results[1] = false;
}
catch (ArgumentException)
{
results[1] = false;
}
return(results);
}
internal async Task <bool> DownloadFileAsync(string selectedItemID)
{
var results = false;
try
{
// Make sure we have a reference to the SharePoint client
var spClient = await AuthenticationHelper.EnsureSharePointClientCreatedAsync("MyFiles");
// Get a handle on the selected item.
IItemFetcher thisItemFetcher = spClient.Files.GetById(selectedItemID);
IFileFetcher thisFileFetcher = thisItemFetcher.ToFile();
var myFile = await thisFileFetcher.ExecuteAsync();
Microsoft.Office365.SharePoint.FileServices.File file = myFile as Microsoft.Office365.SharePoint.FileServices.File;
// Download the file and put the results into a string. This results in a call to the service.
using (Stream stream = await file.DownloadAsync())
{
// TODO: save file to users locker
// Create a new file. If the file already exists, it will be overwritten.
using (var fileStream = new FileStream(@"C:\hosting\WebApp1\Downloads\" + myFile.Name, FileMode.Create, FileAccess.Write))
{
stream.CopyTo(fileStream);
}
}
results = true;
}
catch (Exception exc)
{
throw new Exception("Error occured while downloading file: ", exc);
}
return(results);
}
//<summary>
//Creates a new file named demo.txt in the default document library.
//</summary>
//<returns>A Boolean value that indicates whether the new text file was successfully created.</returns>
internal async Task<String> CreateNewTextFileAsync()
{
//bool isSuccess = false;
String newID = string.Empty;
var sharePointClient = await AuthenticationHelper.EnsureSharePointClientCreatedAsync("MyFiles");
try
{
// First check whether demo.txt already exists. If it exists, delete it.
// If it doesn't exist, swallow the error.
IItem item = await sharePointClient.Files.GetByPathAsync("demo.txt");
await item.DeleteAsync();
}
catch (ODataErrorException)
{
// fail silently because demo.txt doesn't exist.
}
try
{
// In this example, we'll create a simple text file and write the current timestamp into it.
string createdTime = "Created at " + DateTime.Now.ToLocalTime().ToString();
byte[] bytes = Encoding.UTF8.GetBytes(createdTime);
using (MemoryStream stream = new MemoryStream(bytes))
{
// File is called demo.txt. If it already exists, we'll get an exception.
Microsoft.Office365.SharePoint.FileServices.File newFile = new Microsoft.Office365.SharePoint.FileServices.File
{
Name = "demo.txt"
};
// Create the empty file.
await sharePointClient.Files.AddItemAsync(newFile);
newID = newFile.Id;
// Upload the file contents.
await sharePointClient.Files.GetById(newFile.Id).ToFile().UploadAsync(stream);
}
}
// ODataErrorException can be thrown when you try to create a file that already exists.
catch (Microsoft.Data.OData.ODataErrorException ex)
{
//isSuccess = false;
}
return newID;
}
public async Task UploadFile(string filePath, string folderId)
{
var client = await this.AuthenticationHelper
.EnsureSharePointClientCreatedAsync(
Office365Capabilities.MyFiles.ToString());
client.Context.IgnoreMissingProperties = true;
string filename = System.IO.Path.GetFileName(filePath);
using (FileStream fileStream = System.IO.File.OpenRead(filePath))
{
SPOFileServices.File file = new SPOFileServices.File() { Name = filename };
if (!String.IsNullOrEmpty(folderId))
{
await client.Files.GetById(folderId).ToFolder().Children.AddItemAsync(file);
}
else
{
await client.Files.AddItemAsync(file);
}
await client.Files.GetById(file.Id).ToFile().UploadAsync(fileStream);
}
}
public async Task AddFile()
{
var name = Guid.NewGuid().ToString() + ".jpg";
var file = new File {Name = name};
await file.UpdateAsync();
await file.UploadAsync(Resources.ProfilePhoto);
Assert.IsNotNull(file.Id, "Creation Failed");
}
public async Task<IEnumerable<IItem>> GetMyFiles(int pageIndex, int pageSize) {
// ensure connection established to new onedrive API
if ((string.IsNullOrEmpty(_oneDriveAccessToken)) ||
(string.IsNullOrEmpty(_oneDriveEndpoint)) ||
(string.IsNullOrEmpty(_oneDriveResourceId))) {
await InitOneDriveNewRestConnection();
}
// set the access token on the request
_client.DefaultRequestHeaders.Add("Authorization", "Bearer " + _oneDriveAccessToken);
// create the query for all file at the root
var query = _oneDriveEndpoint + "/drive/root/children";
// create request for items
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, query);
// issue request & get response
var response = await _client.SendAsync(request);
string responseString = await response.Content.ReadAsStringAsync();
// convert them to JSON
var jsonResponse = JsonConvert.DeserializeObject<JsonHelpers.FolderContents>(responseString);
// convert to model object
var items = new List<IItem>();
foreach (var folderItem in jsonResponse.FolderItems) {
// if folder
if (folderItem.FileSize == 0) {
var folder = new Folder {
Id = folderItem.Id,
Name = folderItem.Name,
ETag = folderItem.eTag,
DateTimeCreated = folderItem.CreatedDateTime,
DateTimeLastModified = folderItem.LastModifiedDateTime,
WebUrl = folderItem.WebUrl,
Size = 0
};
items.Add(folder);
} else {
var file = new File {
Id = folderItem.Id,
Name = folderItem.Name,
ETag = folderItem.eTag,
DateTimeCreated = folderItem.CreatedDateTime,
DateTimeLastModified = folderItem.LastModifiedDateTime,
WebUrl = folderItem.WebUrl,
Size = folderItem.FileSize
};
items.Add(file);
}
}
return items.OrderBy(item => item.Name).ToList();
}
