public async Task <bool> DownloadFile <T>(T t, FileInformation source, string targetPath, string taskId)
{
string token = t as string;
if (!Directory.Exists(targetPath))
{
Directory.CreateDirectory(targetPath);
}
string savePath = Path.Combine(targetPath, source.FileName);
string downLoadUrl = "";
try
{
string host = "graph.microsoft.com";
string path = "/v1.0/me/drive/items/";
path = Path.Combine(path, source.FileId);
NetClient netClient = new NetClient();
netClient.AddHeader("SampleID", "uwp-csharp-connect-sample");
netClient.AddHeader("SdkVersion", "Graph-dotnet-1.6.2");
netClient.AddHeader("Authorization", string.Format("Bearer {0}", token));
string result = netClient.GET(host, path, true);
IDictionary <string, Object> driveItem = JsonConvert.DeserializeObject <IDictionary <string, Object> >(result);
Object obj = "";
driveItem.TryGetValue("@microsoft.graph.downloadUrl", out obj);
downLoadUrl = obj.ToString();
LoadEntity loadEntity = new LoadEntity()
{
Url = downLoadUrl,
FileSize = source.FileSize,
ChunkSize = 1024 * 1024,
TaskId = taskId
};
NetUtil netUtil = new NetUtil();
bool isSuccess = await netUtil.LoadAsync(loadEntity, savePath, null, ProgressEvent);
return(isSuccess);
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
/// <summary>
/// 获取下载路径
/// </summary>
/// <param name="parentId"></param>
/// <param name="fileName"></param>
/// <param name="token"></param>
/// <returns></returns>
private string GetUploadUrl(string parentId, string fileName, string token)
{
string uploadUrl = "";
string host = "graph.microsoft.com";
string path = null; //string.Format("/v1.0/me/drive/{0}:/{1}:/microsoft.graph.createUploadSession", parentId, fileName);
if ("root" == parentId || string.IsNullOrEmpty(parentId))
{
path = string.Format("/v1.0/me/drive/{0}:/{1}:/microsoft.graph.createUploadSession", parentId,
fileName);
}
else
{
path = string.Format("/v1.0/me/drive/items/{0}:/{1}:/microsoft.graph.createUploadSession", parentId,
fileName);
}
NetClient netClient = new NetClient();
try
{
netClient.AddHeader("SampleID", "uwp-csharp-connect-sample");
netClient.AddHeader("SdkVersion", "Graph-dotnet-1.6.2");
netClient.AddHeader("Cache-Control", "no-store, no-cache");
netClient.AddHeader("Content-Type", "application/json");
netClient.AddHeader("Host", "graph.microsoft.com");
netClient.AddHeader("Authorization", string.Format("Bearer {0}", token));
string data = "{}";
string uploadPreper = netClient.POST(data, host, path, false, true);
IDictionary <string, object> dic = JsonConvert.DeserializeObject <Dictionary <string, object> >(uploadPreper);
if (dic != null && dic.ContainsKey("uploadUrl"))
{
uploadUrl = dic["uploadUrl"].ToString();
}
}
catch (Exception e)
{
Console.WriteLine(e);
throw;
}
return(uploadUrl);
}