BeWoPlaner/ReportImp/WahlEv/WahlCalculations.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms;
using BeWo.Data.Access;
using BeWo.Data.Entities;
using BS.Shared;
using BS.Shared.Core;
using BS.Shared.DataContracts;
using BS.Shared.Extensions;
using BS.Shared.Services;

namespace WahlEv
{
	public class WahlCalculations : BS.Shared.Services.Calculations
    {
        public override decimal? GetApprovedHoursForPeriod(SupportConceptApprovalPeriodDC scap, List<CostRatePeriodDC> costRatePeriods, DateTime? pStart,
            DateTime? pEnd)
        {
            if (!pStart.HasValue || !pEnd.HasValue)
            {
                return null;
            }
            if (scap.ApprovedBEInterval.HasValue && scap.ApprovedBEPerInterval.HasValue)
            {
                if (scap.ApprovedBEInterval.Value == SupportConceptApprovalInterval.Weekly)
                {
                    var months = GetTotalMonths(pStart.Value, pEnd.Value);
                    return months * 4.33m * scap.ApprovedBEPerInterval.Value;
                }
                if (scap.ApprovedBEInterval.Value == SupportConceptApprovalInterval.Monthly)
                {
                    var months = GetTotalMonths(pStart.Value, pEnd.Value);
                    return months * scap.ApprovedBEPerInterval.Value;
                }
                else if (scap.ApprovedBEInterval.Value == SupportConceptApprovalInterval.Quarterly)
                {
                    var qs = GetTotalQuarters(pStart.Value, pEnd.Value);
                    return qs * scap.ApprovedBEPerInterval.Value;
                }
            }

            var periodInDays = (pEnd.Value.Date - pStart.Value.Date).Days + 1;

            return this.GetApprovedHoursPerDay(scap, costRatePeriods) * periodInDays;
        }

        public override decimal? GetApprovedHoursPerWeek(SupportConceptApprovalPeriodDC scap, List<CostRatePeriodDC> costRatePeriods)
        {
            if (scap.ApprovedBEPerInterval.HasValue && scap.ApprovedBEInterval.HasValue && scap.ApprovedBEInterval.Value == SupportConceptApprovalInterval.Weekly)
            {
                return scap.ApprovedBEPerInterval;
            }
            else if (!scap.ApprovedBEPerInterval.HasValue && scap.ApprovedBETotal.HasValue && scap.StartDate.HasValue && scap.EndDate.HasValue)
            {
                var months = GetTotalMonths(scap.StartDate.Value, scap.EndDate.Value);
                if (months != 0)
                {
                    var monatlich = scap.ApprovedBETotal.Value / months;

                    return monatlich / 4.33m;
                }
            }
            return this.GetApprovedHoursPerDay(scap, costRatePeriods) * 7;
        }
    }
    
}