public StatisticService(App app)
{
this.app = app;
this.app.Exit += app_Exit;
statisticList = new StatisticListModel();
statisticList.Data = new List <StatisticModel>();
xmlPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
dir,
"statistic.xml");
xml = new XmlExtensions(xmlPath);
}
public StatisticService(
App app,
BackgroundWorkerService backgroundWorker)
{
this.app = app;
this.backgroundWorker = backgroundWorker;
this.app.Exit += app_Exit;
statisticList = new StatisticListModel();
statisticList.Data = new List<StatisticModel>();
xmlPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory,
dir,
"statistic.xml");
}
/// <summary>
/// 加载统计数据
/// </summary>
public void LoadStatisticData()
{
if (File.Exists(xmlPath))
{
var data = xml.ToModel(typeof(StatisticListModel));
if (data != null)
{
statisticList = data as StatisticListModel;
}
else
{
xml.Save(statisticList);
}
}
else
{
xml.Save(statisticList);
}
}
//new code
#region 迁移数据，从xml到sqlite。下一个版本将弃用 ：）
/// <summary>
/// 迁移数据，从xml到sqlite。下一个版本将弃用 ：）
/// </summary>
private void MigrateXMLDataToDb()
{
if (File.Exists(xmlPath))
{
//需要迁移
xml = new XmlExtensions(xmlPath);
var data = xml.ToModel(typeof(StatisticListModel));
if (data != null)
{
statisticList = data as StatisticListModel;
if (statisticList != null && statisticList.Data != null && statisticList.Data.Count > 0)
{
using (var db = new StatisticContext())
{
foreach (var item in statisticList.Data)
{
db.Statistics.Add(item);
}
db.SaveChanges();
//备份数据文件
File.Copy(xmlPath, xmlPath + ".migrate.backup");
//删除原数据文件
File.Delete(xmlPath);
//迁移标记文件，在用户收到迁移提示后将删除
File.WriteAllText(xmlPath + ".migrate.mark", "");
}
}
}
}
//迁移判断
IsMigrated = File.Exists(xmlPath + ".migrate.mark");
}
