private async Task Search(bool isFirst)
{
if (Form.HasError || mIsSeaching)
{
return;
}
if (isFirst != true && mIsLoadedAllData)
{
return;
}
IsPageDataLoading = !isFirst;
mIsSeaching = true;
if (isFirst)
{
mIsLoadedAllData = false;
mCacheSearchForm = Form.Clone() as SearchForm;
this.Charges.Clear();
}
try
{
var payTypes = mCacheSearchForm.PayTypes.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries)
.Select(a => (PayType)Enum.Parse(typeof(PayType), a)).ToArray();
var modes = mCacheSearchForm.ChargeModes.Split(new[] { "," }, StringSplitOptions.RemoveEmptyEntries)
.Select(a => (ChargeMode)Enum.Parse(typeof(ChargeMode), a)).ToArray();
var rv = await Task.Run<CombinationChargeData>(() => { return mChargeMgmtService.SearchChargesByMengzhu( payTypes,modes, mCacheSearchForm.StartDate,
mCacheSearchForm.EndDate, mCacheSearchForm.IsTimeRangeRequired, isFirst ? 0 : mLastId);
});
foreach (var item in rv.Items )
{
var ch = new UICharge()
{
ChargeMode = item.ChargeMode,
ChargeTime = item.ChargeTime,
Comments = item.Comments,
Handler = item.Handler,
Id = item.ID,
PayType = item.PayType,
Value = item.Value
};
this.Charges.Add(ch);
}
if (rv.Items.Count > 0)
{
mLastId = rv.Items[rv.Items.Count - 1].ID;
}
mIsLoadedAllData = rv.IsLoadedAllData;
if (isFirst)
{
ChargeView.View.MoveCurrentToFirst();
TotalCount = rv.TotalCount;
}
}
catch (Exception)
{
throw;
}
finally
{
mIsSeaching = false;
IsPageDataLoading = false;
}
}
public ChargeMgmtViewModel ()
{
Form = new SearchForm();
}