private static ChangesResult GetChanges(OneDriveModel.OneDriveItemCollection items, Dictionary <string, OneDriveModel.ItemInfo> ids, string rootUri)
{
ChangesResult result = new ChangesResult();
foreach (var item in items.value)
{
ids[item.id] = new OneDriveModel.ItemInfo
{
name = item.name,
parentId = item.parentReference.id
};
var path = GetPath(ids, item);
if (item.deleted != null)
{
result.DeletionChanges.Add(new OneDriveModel.OneDriveChange {
Path = path, IsDeleted = true
});
}
else
{
var change = new OneDriveModel.OneDriveChange
{
ContentUri = string.Format(CultureInfo.InvariantCulture, "{0}/items/{1}", rootUri, item.id),
Path = path,
IsFile = item.file != null,
LastModifiedUtc = item.lastModifiedDateTime.ToUniversalTime()
};
if (change.IsFile)
{
result.FileChanges.Add(change);
}
else
{
result.DirectoryChanges.Add(change);
}
}
}
return(result);
}
private async Task <ChangesResult> GetChanges(string changeset, string accessToken, string requestUri, string cursor)
{
string rootUri = GetOneDriveRootUri(requestUri);
requestUri = string.Format(CultureInfo.InvariantCulture, "{0}/{1}", await GetItemUri(accessToken, requestUri, rootUri), "view.changes");
ChangesResult result = new ChangesResult();
IDeploymentStatusFile statusFile = _status.Open(changeset);
var loop = 0;
using (var client = CreateHttpClient(accessToken))
{
var next = cursor;
var ids = new Dictionary <string, OneDriveModel.ItemInfo>();
Dictionary <string, object> changes = null;
// CORE TODO I can't quite tell what's going on here so failing for now.
//var serializer = new JavaScriptSerializer();
do
{
var uri = requestUri;
if (!string.IsNullOrWhiteSpace(next))
{
uri = string.Format(CultureInfo.InvariantCulture, "{0}?token={1}", requestUri, next);
}
++loop;
statusFile.UpdateProgress(string.Format(CultureInfo.CurrentCulture, "Getting delta changes batch #{0}", loop));
using (_tracer.Step("Getting delta changes batch #{0}", loop))
{
using (var response = await client.GetAsync(uri))
{
changes = await ProcessResponse <Dictionary <string, object> >("GetChanges", response);
}
}
if (changes.ContainsKey("@changes.resync"))
{
if (string.IsNullOrEmpty(next))
{
throw new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, Resources.OneDriveUnableToSync, changes["@changes.resync"]));
}
// resync
loop = 0;
next = null;
changes["@changes.hasMoreChanges"] = true;
result = new ChangesResult();
continue;
}
// CORE TODO I can't quite tell what's going on here so failing for now.
//var items = serializer.ConvertToType<OneDriveModel.OneDriveItemCollection>(changes);
OneDriveModel.OneDriveItemCollection items = null;
// changes
if (items != null && items.value != null && items.value.Count > 0)
{
var subResults = GetChanges(items, ids, rootUri);
result.DeletionChanges.AddRange(subResults.DeletionChanges);
result.DirectoryChanges.AddRange(subResults.DirectoryChanges);
result.FileChanges.AddRange(subResults.FileChanges);
}
// set next token
next = (string)changes["@changes.token"];
} while ((bool)changes["@changes.hasMoreChanges"]);
result.Cursor = next;
return(result);
}
}
