/// <summary>
/// 异步获得实例
/// </summary>
/// <returns></returns>
public async Task <ImageFolderList> GetInstanceAsync(FolderModel folderModel)
{
var imageFolderList = new ImageFolderList(folderModel);
// 初始化list
var query = imageFolderList.DatabaseHelper.ImageDatabase.GetQuery(folderModel.KeyNo);
while (query.Read())
{
var imagePath = query.GetString(2);
var accessToken = query.GetString(3);
var imageModel =
await _imageModelService.GetInstanceAsync(query.GetInt32(1), imagePath, accessToken);
// 查下这个图片还在不在
if (imageModel != null)
{
imageModel.KeyNo = query.GetInt32(0);
imageFolderList.ImageModels.Add(imageModel);
}
else
{
// 从数据库里删掉这个图片
imageFolderList.DatabaseHelper.ImageDatabase.Delete(imagePath);
// 从使用list里删掉这个文件夹
StorageApplicationPermissions.FutureAccessList.Remove(accessToken);
}
}
return(imageFolderList);
}
/// <summary>
/// 异步获取实例
/// </summary>
/// <returns>回忆列表</returns>
public async Task <MemoryList> GetInstanceAsync()
{
var memoryList = new MemoryList();
// 初始化list
var query = memoryList.DatabaseHelper.MemoryListDatabase.GetQuery();
while (query.Read())
{
var memoryKeyNo = query.GetInt32(0);
// 初始化图片list
var imageModels = new List <ImageModel>();
var imageQuery = memoryList.DatabaseHelper.MemoryImageDatabase.GetQuery(memoryKeyNo);
while (imageQuery.Read())
{
var imagePath = imageQuery.GetString(2);
var accessToken = imageQuery.GetString(3);
var imageModel = await _imageModelService.GetInstanceAsync(imageQuery.GetInt32(1), imagePath, accessToken);
// 查下这个图片还在不在
if (imageModel != null)
{
imageModel.KeyNo = imageQuery.GetInt32(0);
imageModel = await _imageModelService.GetThumbnailImageAsync(400, imageModel);
imageModels.Add(imageModel);
}
else
{
// 从数据库里删掉这个图片
memoryList.DatabaseHelper.ImageDatabase.Delete(imagePath);
// 从使用list里删掉这个文件夹
StorageApplicationPermissions.FutureAccessList.Remove(accessToken);
}
}
// 初始化回忆model
var memoryModel = new MemoryModel
{
KeyNo = memoryKeyNo,
MemoryName = query.GetString(1),
ImageModels = imageModels
};
memoryModel.CoverImage = memoryModel.ImageModels[0].ThumbnailImage;
memoryList.MemoryModels.Add(memoryModel);
}
return(memoryList);
}