/// <summary>
/// 当需要持久化数据Provider中没有的信息时，用此类来合并Provider的数据
/// 和本地json数据文件。
/// </summary>
/// <returns>合并后的数据列表</returns>
public IEnumerable <AppRole> GetData()
{
var dbData = mProvider.GetData();
lock (mCachedData)
{
foreach (AppRole dbItem in dbData)
{
AppRole chItem = mCachedData.FirstOrDefault(ch => ch.Id == dbItem.Id);
if (chItem != null)
{
dbItem.FunctionIds = chItem.FunctionIds;
mCachedData[mCachedData.IndexOf(chItem)] = dbItem;
}
else
{
mCachedData.Add(dbItem);
}
}
//移除Provider中没有的值
for (int i = mCachedData.Count - 1; i >= 0; i--)
{
if (!dbData.Any(d => d.Id == mCachedData[i].Id))
{
mCachedData.RemoveAt(i);
}
}
return(mCachedData);
}
}