/// <summary>
/// Starts calculation and uses all transactions
/// </summary>
/// <param name="timeRange">The time slice which represents a time range.</param>
/// <returns></returns>
public IStatistic Calculate(ITimeSlice timeRange)
{
if (_transactions == null)
{
return(null);
}
if (!_transactions.Any())
{
return(null);
}
var result = new Statistic(timeRange);
var transactions = FilterTransactions(_transactions, timeRange);
var transactionPerformances = FilterPerformances(_transactionPerformances, transactions);
if (!transactions.Any())
{
return(null);
}
if (!transactionPerformances.Any())
{
return(null);
}
result.CalculateCosts(transactions);
result.CalculateAmounts(transactionPerformances);
result.CalculateFeedback(transactions);
result.CalculateProfits(transactionPerformances, _mathCalculatorService);
result.CalculateLosses(transactionPerformances, _mathCalculatorService);
result.CalculateAssetClass(transactionPerformances, transactions);
result.CalculateDailyBasis(transactions, transactionPerformances);
result.CalculateEfficiency(transactionPerformances, transactions, _mathCalculatorService);
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="Statistic" /> class.
/// </summary>
/// <param name="slice">The slice.</param>
public Statistic(ITimeSlice slice)
{
TimeSlice = slice;
AbsoluteProfitPerWeekDay = new Dictionary <string, decimal>();
}
/// <summary>
/// Equalses the specified other.
/// </summary>
/// <param name="other">The other.</param>
/// <returns></returns>
protected bool Equals(ITimeSlice other)
{
return(Start.Equals(other.Start) && End.Equals(other.End));
}
/// <summary>
/// Initializes a new instance of the <see cref="StatisticsByTimeSliceQuery"/> class.
/// </summary>
/// <param name="timeRange">The time range.</param>
public StatisticsByTimeSliceQuery(ITimeSlice timeRange)
{
TimeRange = timeRange;
}
/// <summary>
/// Initializes a new instance of the <see cref="StatisticsByTimeSliceQuery"/> class.
/// </summary>
/// <param name="timeRange">The time range.</param>
/// <param name="timeSliceTypeFilter">The slice type which should be used to filter.</param>
public StatisticsByTimeSliceQuery(ITimeSlice timeRange, TimeSliceType timeSliceTypeFilter)
{
TimeRange = timeRange;
TimeSliceFilter = timeSliceTypeFilter;
}
/// <summary>
/// Filters the transactions.
/// </summary>
/// <param name="transactions">The transactions.</param>
/// <param name="timeRange">The time range.</param>
/// <returns></returns>
private static IReadOnlyList <ITransaction> FilterTransactions(IEnumerable <ITransaction> transactions, ITimeSlice timeRange)
{
return(transactions.Where(t => t.OrderDate >= timeRange.Start && t.OrderDate <= timeRange.End).ToList());
}
