public WinnerItem(DrawItem item, int historyGroupIndex)
{
this.MajorColumnValue = item.MajorColumnValue;
this.SecondaryColumnValue = item.SecondaryColumnValue;
this.DrawWeight = item.DrawWeight;
this.DrawnTimeStamp = DateTime.Now;
this.HistroyGroupIndex = historyGroupIndex;
}
public static async Task <DataSourceResult> ReadFileForDrawItem(StorageFile file)
{
DataSourceResult r = new DataSourceResult();
using (var inputStream = await file.OpenReadAsync())
using (var classicStream = inputStream.AsStreamForRead())
using (var streamReader = new StreamReader(classicStream))
{
string line1 = await streamReader.ReadLineAsync();
if (string.IsNullOrWhiteSpace(line1))
{
return(null);
}
var titles = line1.Split(new char[] { ',' });
r.ColumnTitles[0] = titles.FirstOrDefault();
r.ColumnTitles[1] = titles.ElementAtOrDefault(1);
while (!streamReader.EndOfStream)
{
String line = streamReader.ReadLine();
var patten = line.Split(new[] { ',' });
DrawItem drawItem = new DrawItem()
{
MajorColumnValue = patten.FirstOrDefault(),
SecondaryColumnValue = patten.ElementAtOrDefault(1)
};
if (String.IsNullOrEmpty(drawItem.MajorColumnValue) && String.IsNullOrEmpty(drawItem.SecondaryColumnValue))
{
continue;
}
else
{
r.ItemList.Add(drawItem);
}
}
}
return(r);
}
public bool UpdateDrawData(DrawItem item)
{
lock (listLock)
{
var group = DrawHistory.FirstOrDefault();
if (group != null)
{
if ((!group.Items.Contains(item)) && DrawItems.Contains(item))
{
group.Items.Insert(0, item.ToWinnerItem(group.groupIndex));
DrawItems.Remove(item);
return(true);
}
}
return(false);
}
}