private async Task SearchWeekBestClientAsync()
{
DateTime weekStart = DateTime.Today.AddDays(-(int)DateTime.Today.DayOfWeek);
DateTime weekEnd = weekStart.AddDays(7).AddSeconds(-1);
BestClient bestClient = await AsyncFake.CallAsync(StatisticsBL, x => x.GetBestClientInPeriod(weekStart, weekEnd));
WeekBestClient = bestClient?.Client;
WeekBestClientTotal = bestClient?.Amount;
}
public BestClient GetBestClientInPeriod(DateTime from, DateTime till)
{
LoadClients(); // Load clients if needed
var weekPurchaseByClient = _clients.Select(client =>
new
{
client,
total = PurchaseInPeriodFunc(client, from, till)
})
.Where(x => x.total.HasValue)
.WhereMax(x => x.total.Value);
BestClient bestClient = null;
if (weekPurchaseByClient != null)
{
bestClient = new BestClient
{
Client = weekPurchaseByClient.client,
Amount = weekPurchaseByClient.total
};
}
return(bestClient);
}
