public DateList FilterWithList(DateList dl)
{
var ret = new DateList();
foreach (var d in List)
{
foreach (var df in dl.List)
{
if (d.DateFrom > df.DateTo || d.DateTo < df.DateFrom)
{
continue;
}
var nd = new DatesFromTo(d);
if (nd.DateFrom < df.DateFrom)
{
nd.DateFrom = df.DateFrom;
}
if (nd.DateTo > df.DateTo)
{
nd.DateTo = df.DateTo;
}
ret.List.Add(nd);
}
}
return(ret);
}
public DateList SubtractFromDatesGoodList(DateTime dt1, DateTime dt2)
{
var ret = new DateList();
ret.List.Add(new DatesFromTo(dt1, dt2));
foreach (var d in List)
{
if (d.DateFrom > dt2 || d.DateTo < dt1)
{
continue;
}
if (ret.List.Count == 0)
{
break;
}
var cd = ret.List[ret.List.Count - 1];
if (cd.DateFrom >= d.DateFrom && cd.DateTo <= d.DateTo)
{
ret.List.RemoveAt(ret.List.Count - 1);
break;
}
if (cd.DateFrom < d.DateFrom && cd.DateTo > d.DateTo)
{
var nd = new DatesFromTo(cd);
ret.List.Add(nd);
cd.DateTo = d.DateFrom.AddDays(-1);
nd.DateFrom = d.DateTo.AddDays(1);
break;
}
if (cd.DateFrom < d.DateFrom)
{
cd.DateTo = d.DateFrom.AddDays(-1);
break;
}
else
{
cd.DateFrom = d.DateTo.AddDays(1);
}
}
return(ret);
}
public DateList FilterWithDates(DateTime dt1, DateTime dt2)
{
var ret = new DateList();
foreach (var d in List)
{
if (d.DateFrom > dt2 || d.DateTo < dt1)
{
continue;
}
var nd = new DatesFromTo(d);
if (nd.DateFrom < dt1)
{
nd.DateFrom = dt1;
}
if (nd.DateTo > dt2)
{
nd.DateTo = dt2;
}
ret.List.Add(nd);
}
return(ret);
}
public DateList SubtractDates(DateTime dt1, DateTime dt2)
{
var ret = new DateList();
foreach (var d in List)
{
if (d.DateFrom >= dt1 && d.DateTo <= dt2)
{
continue;
}
var nd = new DatesFromTo(d);
ret.List.Add(nd);
if (d.DateFrom > dt2 || d.DateTo < dt1)
{
continue;
}
if (d.DateFrom < dt1 && d.DateTo > dt2)
{
nd.DateTo = dt1.AddDays(-1);
nd = new DatesFromTo(d);
nd.DateFrom = dt2.AddDays(1);
ret.List.Add(nd);
continue;
}
if (d.DateFrom >= dt1)
{
nd.DateFrom = dt2.AddDays(1);
continue;
}
if (d.DateTo <= dt2)
{
nd.DateTo = dt1.AddDays(-1);
continue;
}
}
return(ret);
}
public void SetFrom(DatesFromTo d)
{
DateFrom = d.DateFrom;
DateTo = d.DateTo;
}
public DatesFromTo(DatesFromTo d)
{
DateFrom = d.DateFrom;
DateTo = d.DateTo;
}
public DateList SubtractList_ForGoodLists(DateList dl)
{
if (dl.List.Count == 0 || List.Count == 0)
{
return(new DateList(this));
}
var ret = new DateList();
int ti = 0;
int si = 0;
var td1 = new DatesFromTo(List[0]);
var sd1 = dl.List[0];
DatesFromTo cd = null;
while (true)
{
if (sd1 != null && td1.DateFrom > sd1.DateTo)
{
if (si == dl.List.Count - 1)
{
sd1 = null;
continue;
}
si++;
sd1 = dl.List[si];
continue;
}
if (sd1 == null || td1.DateTo < sd1.DateFrom)
{
ret.List.Add(td1);
if (ti == List.Count - 1)
{
break;
}
ti++;
td1 = new DatesFromTo(List[ti]);
continue;
}
if (td1.DateFrom >= sd1.DateFrom && td1.DateTo <= sd1.DateTo)
{
if (ti == List.Count - 1)
{
break;
}
ti++;
td1.SetFrom(List[ti]);
continue;
}
if (td1.DateFrom >= sd1.DateFrom && td1.DateTo > sd1.DateTo)
{
td1.DateFrom = sd1.DateTo.AddDays(1);
continue;
}
if (td1.DateFrom < sd1.DateFrom && td1.DateTo <= sd1.DateTo)
{
td1.DateTo = sd1.DateFrom.AddDays(-1);
ret.List.Add(td1);
if (ti == List.Count - 1)
{
break;
}
ti++;
td1 = new DatesFromTo(List[ti]);
continue;
}
if (td1.DateFrom < sd1.DateFrom && td1.DateTo > sd1.DateTo)
{
cd = new DatesFromTo(td1);
cd.DateTo = sd1.DateFrom.AddDays(-1);
ret.List.Add(cd);
td1.DateFrom = sd1.DateTo.AddDays(1);
continue;
}
}
return(ret);
}