private async Task UploadChangedDeckImages(IReadOnlyList <StorageFile> files)
{
var remoteItems = await syncInstance.GetChildrenInRemoteFolder(Constant.DEFAULT_DECK_IMAGE_FOLDER_SYNC_PATH);
var localCacheItems = await deckImageCacheFolder.GetFilesAsync();
foreach (var file in files)
{
if (file.Name == DeckInformation.DEFAULT_IMAGE_NAME)
{
continue;
}
var cacheItem = DeckInformation.TryGetCacheItem(localCacheItems, file.Name);
long localFileDateCreated = 0;
if (cacheItem != null)
{
localFileDateCreated = long.Parse(cacheItem.Name.Split(DeckInformation.IMAGE_NAME_SEPARATOR)[1]);
}
bool isHasFile = false;
foreach (var item in remoteItems)
{
var splitString = item.Name.Split(DeckInformation.IMAGE_NAME_SEPARATOR);
if (splitString.Length != 2)
{
continue;
}
string name = splitString[0];
long itemDateCreated = long.Parse(splitString[1]);
if (name == file.Name)
{
if (itemDateCreated < localFileDateCreated)
{
await syncInstance.DeleteItemWithPathAsync(Constant.DEFAULT_DECK_IMAGE_FOLDER_SYNC_PATH + "/" + item.Name);
await UploadDeckImageFile(file, localFileDateCreated);
}
isHasFile = true;
remoteItems.Remove(item);
break;
}
}
if (!isHasFile)
{
await UploadDeckImageFile(file, localFileDateCreated);
}
}
await DeleteUnusedDeckImagesOnServer(remoteItems);
}
/// <summary>
/// Get a file from sync folder
/// </summary>
/// <param name="itemName">Name of the file</param>
/// <returns>The requested file. Null if not found.</returns>
public async Task <RemoteItem> TryGetItemInSyncFolderAsync(string itemName)
{
var items = await syncInstance.GetChildrenInRemoteFolder(Constant.ANKIROOT_SYNC_FOLDER);
foreach (var item in items)
{
if (item.Name == itemName)
{
return(item);
}
}
return(null);
}