public void Add(string url, Guid listId, AttachmentsAddQuery options)
{
using (var clientContext = new SPContext(url, credentials.Get(url)))
{
ListItemCollection listItems = null;
if (!options.Id.HasValue)
{
listItems = clientContext.Web.Lists.GetById(listId).GetItems(CAMLQueryBuilder.GetItem(options.ContentId, new string[] { }));
clientContext.Load(listItems, _ => _.Include(item => item.Id));
}
var listRootFolder = clientContext.Web.Lists.GetById(listId).RootFolder;
clientContext.Load(listRootFolder, f => f.ServerRelativeUrl);
clientContext.ExecuteQuery();
int listItemId = options.Id.HasValue ? options.Id.Value : listItems.First().Id;
Microsoft.SharePoint.Client.Folder attachmentsFolder;
try
{
attachmentsFolder = clientContext.Web.GetFolderByServerRelativeUrl(listRootFolder.ServerRelativeUrl + "/Attachments/" + listItemId.ToString(CultureInfo.InvariantCulture).ToLowerInvariant());
clientContext.Load(attachmentsFolder);
clientContext.ExecuteQuery();
}
catch
{
attachmentsFolder = null;
}
// add
var useService = (attachmentsFolder == null);
if (useService)
{
//There is no way to create attachments folder using client object model.
using (var service = new ListService(url, credentials.Get(url)))
{
service.AddAttachment(listId.ToString(), listItemId.ToString(CultureInfo.InvariantCulture), options.FileName, options.FileData);
}
}
else
{
var fileUrl = string.Format("{0}/{1}", listRootFolder.ServerRelativeUrl + "/Attachments/" + listItemId.ToString(CultureInfo.InvariantCulture).ToLowerInvariant(), options.FileName);
if (options.FileData != null)
{
using (var stream = new MemoryStream(options.FileData))
{
Microsoft.SharePoint.Client.File.SaveBinaryDirect(clientContext, fileUrl, stream, true);
}
clientContext.ExecuteQuery();
}
}
}
}
public void Add(SPList list, SPListItem listItem, string fileName, byte[] fileStream)
{
if (String.IsNullOrEmpty(fileName) && fileStream != null)
{
return;
}
var authentication = credentials.Get(list.SPWebUrl);
using (var clientContext = new SPContext(list.SPWebUrl, authentication))
{
var site = clientContext.Site;
clientContext.Load(site, s => s.Url);
var web = clientContext.Web;
clientContext.Load(web, w => w.Folders, w => w.ServerRelativeUrl);
var splist = web.Lists.GetById(list.Id);
var listFolder = splist.RootFolder;
clientContext.Load(listFolder, f => f.ServerRelativeUrl, f => f.Folders);
clientContext.ExecuteQuery();
SP.Folder attachmentsFolder;
var attachmentsFolderUrl = listFolder.ServerRelativeUrl + "/Attachments/" + listItem.Id;
try
{
attachmentsFolder = web.GetFolderByServerRelativeUrl(attachmentsFolderUrl);
clientContext.Load(attachmentsFolder);
clientContext.Load(attachmentsFolder.Files);
clientContext.ExecuteQuery();
}
catch
{
attachmentsFolder = null;
}
// add
var useService = (attachmentsFolder == null);
if (useService)
{
//There is no way to create attachments folder using client object model.
var baseUrl = (new Uri(clientContext.Site.Url)).GetLeftPart(UriPartial.Authority);
var webUrl = baseUrl.TrimEnd('/') + web.ServerRelativeUrl;
using (var service = new ListService(webUrl, authentication))
{
service.AddAttachment(list.Id.ToString(), listItem.Id.ToString(CultureInfo.InvariantCulture), fileName, fileStream);
}
}
else
{
var fileUrl = string.Format("{0}/{1}", attachmentsFolderUrl, fileName);
if (fileStream != null)
{
using (var mst = new MemoryStream(fileStream))
{
SP.File.SaveBinaryDirect(clientContext, fileUrl, mst, true);
}
clientContext.ExecuteQuery();
}
}
}
}
