private static async Task SaveDataRoamingAsync(BookInfo[] items)
{
if (!(bool)SettingStorage.GetValue("SyncBookmarks"))
{
return;
}
await fileRoamingSemaphore.WaitAsync();
try
{
var f = await DataFolderRoaming.CreateFileAsync(fileName, Windows.Storage.CreationCollisionOption.ReplaceExisting);
using (var s = (await f.OpenAsync(Windows.Storage.FileAccessMode.ReadWrite)).AsStream())
{
var serializer = new System.Xml.Serialization.XmlSerializer(typeof(BookInfo[]));
serializer.Serialize(s, items);
}
}
catch
{
// ignored
}
finally
{
fileRoamingSemaphore.Release();
}
}
internal static async Task <BookInfo[]> LoadAsync()
{
var infoRoaming = (bool)SettingStorage.GetValue("SyncBookmarks") ? (await LoadAsyncOne(await GetDataFileRoamingAsync(), fileRoamingSemaphore) ?? new BookInfo[0]).ToList() : new List <BookInfo>();
var infoLocal = (await LoadAsyncOne(await GetDataFileLocalAsync(), fileLocalSemaphore) ?? new BookInfo[0]).ToList();
foreach (var item in infoLocal)
{
var rindex = infoRoaming.FindIndex((s) => s.ID == item.ID);
if (rindex == -1)
{
infoRoaming.Add(item);
}
else if (infoRoaming[rindex].ReadTimeLast < item.ReadTimeLast)
{
infoRoaming.RemoveAt(rindex);
infoRoaming.Add(item);
}
}
return(infoRoaming.ToArray());
}
