static async Task GetAndUploadFileToTeamsChannel(String aadAccessToken, String selectedTeamId, SemaphoreSlim semaphore, Combined.AttachmentsMapping combinedAttachmentsMapping, string channelSubFolder)
{
//string fileId = "";
Tuple <string, string> fileIdAndUrl;
try
{
string fileToUpload = "";
if (!combinedAttachmentsMapping.attachmentUrl.StartsWith("/"))
{
Console.WriteLine("Downloading attachment to local file system " + combinedAttachmentsMapping.attachmentId);
var request = new HttpClient();
using (HttpResponseMessage response =
await request.GetAsync(combinedAttachmentsMapping.attachmentUrl, HttpCompletionOption.ResponseHeadersRead).ConfigureAwait(false))
{
// do something with response
using (Stream streamToReadFrom = await response.Content.ReadAsStreamAsync())
{
fileToUpload = Path.GetTempFileName();
using (Stream streamToWriteTo = File.Open(fileToUpload, FileMode.Create))
{
await streamToReadFrom.CopyToAsync(streamToWriteTo);
}
}
}
}
else
{
fileToUpload = combinedAttachmentsMapping.attachmentUrl;
}
var pathToItem = "/" + combinedAttachmentsMapping.msChannelName + "/slackArchive/fileattachments/" + combinedAttachmentsMapping.attachmentId + "/" + combinedAttachmentsMapping.attachmentFileName;
fileIdAndUrl = await UploadFileToTeamsChannel(aadAccessToken, selectedTeamId, fileToUpload, pathToItem);
combinedAttachmentsMapping.msSpoId = fileIdAndUrl.Item1;
combinedAttachmentsMapping.msSpoUrl = fileIdAndUrl.Item2;
File.Delete(fileToUpload);
Console.WriteLine("Deleting local copy of attachment " + combinedAttachmentsMapping.attachmentId);
}
catch (Exception ex)
{
// do something
Console.WriteLine("Exception " + ex);
Console.WriteLine("On this file " + combinedAttachmentsMapping.attachmentId + " " + combinedAttachmentsMapping.attachmentUrl);
}
finally
{
// don't forget to release
semaphore.Release();
}
return;
}
static async Task GetAndUploadFileToTeamsChannel(String aadAccessToken, String selectedTeamId, SemaphoreSlim semaphore, Combined.AttachmentsMapping combinedAttachmentsMapping, string fileAttachmentsPath, AttachmentIdFilePathMode attachmentIdMode)
{
//string fileId = "";
Tuple <string, string> fileIdAndUrl;
try
{
var filename = combinedAttachmentsMapping.attachmentFileName;
filename = filename.Replace(":", "-");
switch (attachmentIdMode)
{
case AttachmentIdFilePathMode.Directory:
filename = combinedAttachmentsMapping.attachmentId + "/" + filename;
break;
case AttachmentIdFilePathMode.Prefix:
filename = "(" + combinedAttachmentsMapping.attachmentId + ") " + filename;
break;
case AttachmentIdFilePathMode.Suffix:
var extensionIndex = filename.LastIndexOf(".");
if (extensionIndex < 0)
{
filename = filename + " (" + combinedAttachmentsMapping.attachmentId + ")";
}
else
{
filename = filename.Substring(0, extensionIndex) + " (" + combinedAttachmentsMapping.attachmentId + ")" + filename.Substring(extensionIndex);
}
break;
}
var pathToItem = "/" + combinedAttachmentsMapping.msChannelName + fileAttachmentsPath + filename;
bool deleteFile = true;
string fileToUpload = "";
if (combinedAttachmentsMapping.attachmentUrl.StartsWith("https") || combinedAttachmentsMapping.attachmentUrl.StartsWith("http"))
{
Console.WriteLine("Downloading attachment to local file system " + combinedAttachmentsMapping.attachmentId);
var request = new HttpClient();
using (HttpResponseMessage response =
await request.GetAsync(combinedAttachmentsMapping.attachmentUrl, HttpCompletionOption.ResponseHeadersRead).ConfigureAwait(false))
{
// do something with response
using (Stream streamToReadFrom = await response.Content.ReadAsStreamAsync())
{
fileToUpload = Path.GetTempFileName();
using (Stream streamToWriteTo = File.Open(fileToUpload, FileMode.Create))
{
await streamToReadFrom.CopyToAsync(streamToWriteTo);
}
}
}
}
else
{
fileToUpload = combinedAttachmentsMapping.attachmentUrl;
deleteFile = false;
}
fileIdAndUrl = await UploadFileToTeamsChannel(aadAccessToken, selectedTeamId, fileToUpload, pathToItem, false);
combinedAttachmentsMapping.msSpoId = fileIdAndUrl.Item1;
combinedAttachmentsMapping.msSpoUrl = fileIdAndUrl.Item2;
if (deleteFile)
{
File.Delete(fileToUpload);
Console.WriteLine("Deleting local copy of attachment " + combinedAttachmentsMapping.attachmentId);
}
}
catch (Exception ex)
{
// do something
Console.WriteLine("Exception " + ex);
Console.WriteLine("On this file " + combinedAttachmentsMapping.attachmentId + " " + combinedAttachmentsMapping.attachmentUrl);
}
finally
{
// don't forget to release
semaphore.Release();
}
return;
}
