private CPMresult CPM(IEnumerable <dtoCPMactivity> activities, DateTime?startdate = null, FlagDayOfWeek workweek = FlagDayOfWeek.WorkWeek, IEnumerable <DateTime> exceptions = null, Int32 dailyworkhours = 8, IEnumerable <dtoCPMlink> links = null)
{
CPMresult result = new CPMresult();
Dictionary <Int64, dtoCPMactivity> dict = new Dictionary <long, dtoCPMactivity>();
foreach (var act in activities)
{
dict.Add(act.Id, act);
}
result.Activities = activities.ToList();
if (!result.Activities.Where(x => x.Id == -1).Any())
{
dtoCPMactivity vActivity = new dtoCPMactivity(-1, "end")
{
Duration = 0, IsVirtual = true
};
result.Activities.Add(vActivity);
dict.Add(-1, vActivity);
CPMExtensions.ParseActivityLinks(-1, "*", dict);
}
result.Activities.CriticalPathMethod();
result.ProjectLength = activities.CriticalPathLength();
if (startdate != null && startdate.HasValue)
{
result.AvailableDates = startdate.Value.GenerateAvailableDates(result.ProjectLength, workweek, exceptions).ToList();
result.Activities.CalculateDate(result.AvailableDates, dailyworkhours);
result.ProjectStartDate = startdate;
result.ProjectEndDate = result.Activities.CriticalPathEnd();
result.isDeadlined = result.Activities.isDeadlined();
result.DeadlinedActivities = result.Activities.DeadlinedActivities().ToList();
}
result.Critical = activities.CriticalPath().ToList();
result.Activities = result.Activities.Where(x => x.Id > 0).ToList();
foreach (var item in result.Activities)
{
//todo check if it's correct
item.Successors = item.Successors.Where(x => x.isVirtual == false).ToList();
}
//todo remove virtual links and activities
return(result);
}
public IList <dtoCPMactivity> PreprocessSummaryMilestones(IList <dtoCPMactivity> activities)
{
//Start Preparation
var summaries = activities.Where(x => x.IsSummary).OrderByDescending(x => x.Id).ToList();
//var summaries = activities.Where(x => x.IsSummary).ToList();
foreach (var summary in summaries)
{
dtoCPMactivity startMilestone = new dtoCPMactivity()
{
Name = String.Format("{0}-{1}", summary.Id, "start"),
Duration = 0,
IsVirtual = true,
Id = activities.Max(x => x.Id) + 1,
DisplayOrder = activities.Max(x => x.Id) + 1
};
dtoCPMactivity endMilestone = new dtoCPMactivity()
{
Name = String.Format("{0}-{1}", summary.Id, "end"),
Duration = 0,
IsVirtual = true,
Id = activities.Max(x => x.Id) + 2,
DisplayOrder = activities.Max(x => x.Id) + 2
};
startMilestone.Parent = summary;
startMilestone.IdParent = summary.Id;
endMilestone.Parent = summary;
endMilestone.IdParent = summary.Id;
summary.Children.Add(startMilestone);
summary.Children.Add(endMilestone);
activities.Add(startMilestone);
activities.Add(endMilestone);
if (summary.Parent != null)
{
dtoCPMlink parentlink = new dtoCPMlink()
{
IdSource = startMilestone.Id,
Source = startMilestone,
Target = summary.Parent,
IdTarget = summary.IdParent,
isVirtual = true
};
startMilestone.Predecessors.Add(parentlink);
summary.Parent.Successors.Add(parentlink);
}
foreach (var children in summary.Children.Where(x => x.IsVirtual == false && x.IsSummary == false))
{
dtoCPMlink startlink = new dtoCPMlink()
{
IdSource = children.Id,
Source = children,
Target = startMilestone,
IdTarget = startMilestone.Id,
isVirtual = true
};
startMilestone.Successors.Add(startlink);
children.Predecessors.Add(startlink);
dtoCPMlink endlink = new dtoCPMlink()
{
IdSource = endMilestone.Id,
Source = endMilestone,
Target = children,
IdTarget = children.Id,
isVirtual = true
};
children.Successors.Add(endlink);
endMilestone.Predecessors.Add(endlink);
}
//foreach (var children in summary.Children.Where(x => x.IsVirtual == false))
//{
//}
foreach (var predec in summary.Predecessors.ToList())
{
predec.Source = startMilestone;
predec.IdSource = startMilestone.Id;
//switch (predec.Type)
//{
// case PmActivityLinkType.FinishStart:
// //dtoCPMlink prefs = new dtoCPMlink() { IdTarget = vs.Id, Target = vs, Source = predec.Target, IdSource = predec.IdTarget, isVirtual = true };
// //vs.Predecessors.Add(prefs);
// //predec.Target.Successors.Add(prefs);
// break;
// case PmActivityLinkType.StartStart:
// //dtoCPMlink presss = new dtoCPMlink() { IdTarget = vs.Id, Target = vs, Source = predec.Target, IdSource = predec.IdTarget, isVirtual = true, Type = PmActivityLinkType.StartStart };
// //vs.Predecessors.Add(presss);
// //predec.Target.Successors.Add(presss);
// break;
// default:
// break;
//}
}
foreach (var succ in summary.Successors.ToList())
{
succ.Target = endMilestone;
succ.IdTarget = endMilestone.Id;
//succ.Source = ve;
//succ.IdSource = ve.Id;
//switch (succ.Type)
//{
// case PmActivityLinkType.FinishStart:
// //dtoCPMlink prefs = new dtoCPMlink() { IdTarget = ve.Id, Target = ve, Source = succ.Source, IdSource = succ.IdSource, isVirtual = true };
// //ve.Predecessors.Add(prefs);
// //succ.Target.Successors.Add(prefs);
// break;
// case PmActivityLinkType.StartStart:
// //dtoCPMlink presss = new dtoCPMlink() { IdTarget = ve.Id, Target = ve, Source = succ.Source, IdSource = succ.IdSource, isVirtual = true, Type = PmActivityLinkType.StartStart };
// //ve.Predecessors.Add(presss);
// //succ.Target.Successors.Add(presss);
// break;
// default:
// break;
//}
}
//summary.Successors.Clear();
//summary.Predecessors.Clear();
}
//End Preparation
return(activities);
}
//public static dtoCPMactivityLink CreateLink(dtoCPMactivity source, dtoCPMactivity target, Int32 leadlag = 0, PmActivityLinkType type = PmActivityLinkType.FinishStart)
//{
// dtoCPMactivityLink link = new dtoCPMactivityLink() { Source = source, Target = target, LeadLag = leadlag, Type = type };
// return link;
//}
public static IEnumerable <dtoCPMactivity> Predecessors(this dtoCPMactivity activity)
{
return((from item in activity.Predecessors select item.Target).ToList());
}
