/// <summary>
///
/// </summary>
/// <param name="cardModels"></param>
/// <param name="isUpdate">是否需要从Web更新</param>
public void DownloadImages(List <CardModel> cardModels, bool isUpdate = false)
{
PrgModel.Start();
var taskDic = new Dictionary <int, bool>();
var sqls = new List <string>();
for (var i = 0; i != cardModels.Count; i++)
{
var page = Convert.ToInt32(i);
taskDic.Add(page, false);
GetCardDetailUrls(cardModels[page], isUpdate).Select(pair =>
{
// 数据模型填充
cardModels[page].ImagesUrl = JsonUtils.Serializer(pair.Key);
cardModels[page].ImagesStats = 0;
// 满足条件之一则更新数据库：1、数据源是否来自Web 2、是否需要从Web更新
if (pair.Value || isUpdate)
{
// 获取更新数据库的语句
var updateSql = SqlExUtils.GetUpateImagesSql(cardModels[page]);
sqls.Add(updateSql);
}
// 下载图鉴
DownloadImages(cardModels[page]);
return(pair.Key);
}).ObserveOnDispatcher().Subscribe(urls =>
{
// UI更新状态
taskDic[page] = true;
var persent = taskDic.Values.Count(x => x) / float.Parse(cardModels.Count.ToString());
PrgModel.Update(Convert.ToInt32(persent * 100),
$"已完成：{taskDic.Values.Count(x => x)} / {cardModels.Count}");
});
}
// 轮询任务字典，确保整个任务执行完毕，将数据提交至观测者
_dispose = Observable.Interval(TimeSpan.FromSeconds(1)).ObserveOnDispatcher().Subscribe(time =>
{
if (cardModels.Count != taskDic.Values.Count(x => x))
{
if (sqls.Count <= 20)
{
return;
}
DataManager.Execute(sqls.GetRange(0, 20));
sqls.RemoveRange(0, 20);
return;
}
_dispose.Dispose();
PrgModel.Finish();
DataManager.Execute(sqls.GetRange(0, sqls.Count));
sqls.RemoveRange(0, sqls.Count);
DataManager.ReFillDataToDataSet(DataManager.DsAllCache, SqlExUtils.GetQueryAllSql(),
DataManager.BahamutDbName);
CardUtils.InitCardModels(true);
});
}
public CardPreviewVm()
{
CardModels = new ObservableCollection <CardModel>();
CmdRare = new DelegateCommand {
ExecuteCommand = Rarity_Click
};
CmdDownloadImages = new DelegateCommand {
ExecuteCommand = DownloadImages_Click
};
CmdSyncIcon = new DelegateCommand {
ExecuteCommand = SyncIcon_Click
};
PrgModel = new PrgModel();
}
