private async Task <AttachmentReference> UploadAttachmentsToTarget(IMigrationContext migrationContext, WorkItem sourceWorkItem)
{
RevisionHistoryAttachments revisionHistoryAttachmentsItem = await GetWorkItemUpdates(migrationContext, sourceWorkItem);
string attachment = JsonConvert.SerializeObject(revisionHistoryAttachmentsItem.Updates);
AttachmentReference aRef;
using (MemoryStream stream = new MemoryStream())
{
var stringBytes = System.Text.Encoding.UTF8.GetBytes(attachment);
await stream.WriteAsync(stringBytes, 0, stringBytes.Length);
stream.Position = 0;
//upload the attachment to the target for each workitem
aRef = await WorkItemTrackingHelpers.CreateAttachmentAsync(migrationContext.TargetClient.WorkItemTrackingHttpClient, stream);
}
return(aRef);
}
private async Task <IList <AttachmentLink> > UploadAttachmentsToTarget(IMigrationContext migrationContext, WorkItem sourceWorkItem)
{
var attachmentLinks = new List <AttachmentLink>();
int updateLimit = migrationContext.Config.MoveHistoryLimit;
int updateCount = 0;
while (updateCount < updateLimit)
{
var updates = await GetWorkItemUpdates(migrationContext, sourceWorkItem, skip : updateCount);
string attachmentContent = JsonConvert.SerializeObject(updates);
AttachmentReference attachmentReference;
using (MemoryStream stream = new MemoryStream())
{
var stringBytes = System.Text.Encoding.UTF8.GetBytes(attachmentContent);
await stream.WriteAsync(stringBytes, 0, stringBytes.Length);
stream.Position = 0;
//upload the attachment to the target for each batch of workitem updates
attachmentReference = await WorkItemTrackingHelpers.CreateAttachmentAsync(migrationContext.TargetClient.WorkItemTrackingHttpClient, stream);
attachmentLinks.Add(
new AttachmentLink(
$"{Constants.WorkItemHistory}-{sourceWorkItem.Id}-{updateCount}.json",
attachmentReference,
stringBytes.Length,
comment: $"Update range from {updateCount} to {updateCount + updates.Count}"));
}
updateCount += updates.Count;
// if we got less than a page size, that means we're on the last
// page and shouldn't try and read another page.
if (updates.Count < Constants.PageSize)
{
break;
}
}
return(attachmentLinks);
}