private void OnLiveClientGetCompleted(object sender, LiveOperationCompletedEventArgs e)
{
// Cancels the timeout timer.
CancelTimeoutTimer();
// No result? Nothing to do.
if (e.Result == null)
{
EndSyncDownloads();
return;
}
if ("root".Equals(e.UserState))
{
// Sync Step 2: We are getting results for the root folder.
// We need to enumerate through all file entries and find the first
// folder whose name is "Geowigo".
// Then, we will ask for file enumerations of this folder.
// If no folder is found, the sync is over.
// Enumerates through all the file entries.
List<object> data = (List<object>)e.Result["data"];
foreach (IDictionary<string, object> content in data)
{
// Is it a folder?
if ("folder".Equals(content["type"]))
{
// Is its name "Geowigo"?
if ("Geowigo".Equals((string)content["name"], StringComparison.InvariantCultureIgnoreCase))
{
// Sync Step 3. Asks for the list of files in this folder.
// Stores the folder id.
_geowigoFolderId = (string)content["id"];
// Asks for the list of files.
_liveClient.GetAsync((string)content["id"] + "/files", "geowigo");
// Starts the timeout timer.
StartTimeoutTimer(GetRequestTimeoutTimeSpan);
// Nothing more to do.
return;
}
}
}
// If we are here, it means that the Geowigo folder was not found.
// The sync ends.
EndSyncDownloads();
return;
}
else if ("geowigo".Equals(e.UserState))
{
// Sync Step 4: We are getting results for the Geowigo folder.
// We need to enumerate through all files and download each GWC
// or GWS file in the background.
List<object> data = (List<object>)e.Result["data"];
// Enumerates through all the file entries.
List<SkyDriveFile> cartFiles = new List<SkyDriveFile>();
List<SkyDriveFile> extraFiles = new List<SkyDriveFile>();
foreach (IDictionary<string, object> content in data)
{
// Is it a cartridge file?
string name = (string)content["name"];
string lname = name.ToLower();
object type = content["type"];
if ("file".Equals(type))
{
if (lname.EndsWith(".gwc"))
{
// Adds the file to the list of cartridges.
cartFiles.Add(new SkyDriveFile((string)content["id"], name, IsoStoreCartridgesPath));
}
else if (lname.EndsWith(".gws"))
{
// Adds the file to the list of extra files.
extraFiles.Add(new SkyDriveFile((string)content["id"], name, IsoStoreCartridgeContentPath));
}
}
else if ("folder".Equals(type) && UploadFolderName.Equals(name, StringComparison.InvariantCultureIgnoreCase))
{
// We found the uploads folder.
// Stores its id.
_uploadsFolderId = (string)content["id"];
}
}
// Creates the list of cartridges in the isostore that do not exist
// on SkyDrive anymore.
// These will be removed. Extra files are not removed even if they are not
// on SkyDrive anymore.
List<string> isoStoreFiles;
List<string> toRemoveFiles;
List<string> isoStoreExtraFiles;
using (IsolatedStorageFile isf = IsolatedStorageFile.GetUserStoreForApplication())
{
isoStoreExtraFiles = isf.GetAllFiles(IsoStoreCartridgeContentPath + "/*.gws");
isoStoreFiles =
isf
.GetFileNames(GetIsoStorePath("*.gwc", IsoStoreCartridgesPath))
.Select(s => IsoStoreCartridgesPath + "/" + s)
.ToList();
toRemoveFiles =
isoStoreFiles
.Where(s => !cartFiles.Any(sd => sd.Name == System.IO.Path.GetFileName(s)))
.ToList();
}
// Clears from the list of extra files to download those which
// are already somewhere in the isolated storage.
foreach (SkyDriveFile ef in extraFiles.ToList())
{
if (isoStoreExtraFiles.Any(s => s.EndsWith("/" + ef.Name, StringComparison.InvariantCultureIgnoreCase)))
{
// The file needn't be downloaded.
extraFiles.Remove(ef);
}
}
// Creates the list of cartridges and extra files that are on SkyDrive but
// not in the isolated storage.
List<SkyDriveFile> toDlFiles = cartFiles
.Where(sd => !isoStoreFiles.Contains(GetIsoStorePath(sd.Name, sd.DownloadDirectory)))
.Union(extraFiles)
.ToList();
// Bakes an event for when the sync will be over.
lock (_syncRoot)
{
_syncEventArgs = new CartridgeProviderSyncEventArgs()
{
AddedFiles = toDlFiles
.Select(sd => GetIsoStorePath(sd.Name, sd.DownloadDirectory))
.ToList(),
ToRemoveFiles = toRemoveFiles
};
}
// Sends a progress event for removing the files marked
// to be removed.
if (toRemoveFiles.Count > 0)
{
RaiseSyncProgress(toRemoveFiles: toRemoveFiles);
}
// Starts downloading all new files, or terminate
// the sync if no new file is to be downloaded.
if (toDlFiles.Count > 0)
{
toDlFiles.ForEach(sd => BeginDownloadFile(sd));
}
else
{
EndSyncDownloads();
}
}
}
private void EndSync()
{
CartridgeProviderSyncEventArgs e;
// Marks the sync as completed.
lock (_syncRoot)
{
e = _syncEventArgs;
_syncEventArgs = null;
}
IsSyncing = false;
// Notifies that the sync is finished.
if (e != null)
{
if (SyncCompleted != null)
{
SyncCompleted(this, e);
}
}
}