/// <summary>
/// 按月份分类图片
/// </summary>
private async Task GroupImageAsync()
{
// 先初始化所有图片成一个list
var imageViewModels = new List <ImageViewModel>();
foreach (var imageFolderList in _imageFolderLists)
{
foreach (var imageModel in imageFolderList.ImageModels)
{
var imageViewModel = await ImageViewModel.GetInstanceAsync(imageModel);
imageViewModels.Add(imageViewModel);
}
}
ImageMonthGroups = imageViewModels
.GroupBy(m => m.MonthYearDate, (key, list) => new ImageMonthGroup(key, list))
.OrderByDescending(m => m.Key.WholeDateTime.Year).ThenByDescending(m => m.Key.WholeDateTime.Month);
}
