/// <summary>
/// 刷新照片列表
/// </summary>
/// <param name="imageFolderList"></param>
/// <returns></returns>
public async Task <ImageFolderList> RefreshAsync(ImageFolderList imageFolderList)
{
var folder = await _folderModelService.GetFolder(imageFolderList.FolderModel.AccessToken);
// TODO 这里文件夹可能为空
// 找到全部文件
var files = await folder.GetFilesAsync();
foreach (var file in files)
{
// 确认后缀名必须是图片
if (file.FileType != ".jpg" && file.FileType != ".png" && file.FileType != ".jpeg")
{
continue;
}
var accessToken = StorageApplicationPermissions.FutureAccessList.Add(file);
var imageModel = await _imageModelService.GetInstanceAsync(imageFolderList.FolderModel.KeyNo, file.Path, accessToken);
if (imageFolderList.ImageModels.Contains(imageModel))
{
continue;
}
imageFolderList.DatabaseHelper.ImageDatabase.Insert(imageModel.FolderKeyNo, imageModel.ImagePath, imageModel.AccessToken);
imageFolderList.ImageModels.Add(imageModel);
}
var x = imageFolderList.GetHashCode();
return(imageFolderList);
}
/// <summary>
/// 添加新文件夹时的具体添加操作
/// 在这里应该可以实现递归添加
/// </summary>
/// <param name="folderModel"></param>
/// <param name="folderList"></param>
/// <returns></returns>
public async Task <FolderList> OpenAsync(FolderModel folderModel, FolderList folderList)
{
if (folderModel == null)
{
return(folderList);
}
if (folderModel.IsDeleteVisibility == Visibility.Collapsed)
{
// 如果是添加新文件夹的按钮
var folderPicker = new FolderPicker();
folderPicker.FileTypeFilter.Add("*");
folderPicker.SuggestedStartLocation = PickerLocationId.PicturesLibrary;
var folder = await folderPicker.PickSingleFolderAsync();
if (folder == null)
{
return(folderList);
}
var accessToken = StorageApplicationPermissions.FutureAccessList.Add(folder);
folderModel = new FolderModel
{
FolderPath = folder.Path,
AccessToken = accessToken
};
folderList = Add(folderModel, folderList);
}
else
{
var folder = await _folderModelService.GetFolder(folderModel.AccessToken);
await Launcher.LaunchFolderAsync(folder);
}
return(folderList);
}
