public List <Onah> CalculateProblemOnahs()
{
//Clears the list and gets it ready to accept new problems
if (this.ProblemOnahList == null)
{
this.ProblemOnahList = new List <Onah>();
}
else
{
this.ProblemOnahList.Clear();
}
//A list of Onahs that need to be kept. This first list is worked out from the list of Entries.
//Problem Onahs are searched for from the date of each entry until the number of months specified in the
//Property Setting "numberMonthsAheadToWarn"
this.SetEntryListDependentProblemOnahs();
//Get the onahs that need to be kept for Kavuahs of yom hachodesh, sirug,
//and other Kavuahs that are not dependent on the actual entry list
this.SetIndependentKavuahProblemOnahs();
//Clean out doubles
Onah.ClearDoubleOnahs(this.ProblemOnahList);
this.ProblemOnahList.Sort(Onah.CompareOnahs);
return(this.ProblemOnahList);
}
private void SetEntryDependentKavuahProblemOnahs(Entry entry, IEnumerable <Entry> otherEntries)
{
//Kavuah Haflagah - with or without Maayan Pasuach
foreach (Kavuah kavuah in this.KavuahList.Where(k =>
k.KavuahType.In(KavuahType.Haflagah, KavuahType.HaflagaMaayanPasuach) && k.Active))
{
Onah kavuahHaflaga = entry.AddDays(kavuah.Number - 1);
kavuahHaflaga.DayNight = kavuah.DayNight;
if (!otherEntries.Any(e => e > entry && e < kavuahHaflaga))
{
this.AddProblemOnah(kavuahHaflaga, "קבוע " + kavuah.ToString());
}
}
//Kavuah Dilug Haflagos - from each actual entry.
foreach (Kavuah kavuah in this.KavuahList.Where(k =>
k.KavuahType == KavuahType.DilugHaflaga && k.Active))
{
Onah kavuahDilugHaflaga = entry.AddDays(entry.Interval + kavuah.Number - 1);
kavuahDilugHaflaga.DayNight = kavuah.DayNight;
if (!otherEntries.Any(e => e > entry && e < kavuahDilugHaflaga))
{
this.AddProblemOnah(kavuahDilugHaflaga, "קבוע " + kavuah.ToString() + " ע\"פ ראייה");
}
}
}
private void SetOnahBeinenisProblemOnahs(Entry entry, IEnumerable <Entry> otherEntries)
{
Kavuah cancelKavuah =
this.KavuahList.LastOrDefault(k => k.Active && k.CancelsOnahBeinanis);
//Yom Hachodesh
this.AddOnahBeinunisProblem(entry.AddMonths(1), "יום החודש", cancelKavuah);
//Day Thirty
Onah dayThirty = entry.AddDays(29);
if (!otherEntries.Any(e => e > entry && e < dayThirty))
{
this.AddOnahBeinunisProblem(dayThirty, "יום שלושים", cancelKavuah);
}
//Day Thirty One
Onah dayThirtyOne = entry.AddDays(30);
if (!otherEntries.Any(e => e > entry && e < dayThirtyOne))
{
this.AddOnahBeinunisProblem(dayThirtyOne, "יום ל\"א", cancelKavuah);
}
//Haflagah
if (entry.Interval > 1)
{
Onah onasHaflagah = entry.AddDays(entry.Interval - 1);
if (!otherEntries.Any(e => e > entry && e < onasHaflagah))
{
//Note the Haflaga is always just the Onah it occurred on - not 24 hours -
//even according to those that require it for 30, 31 and Yom Hachodesh.
this.AddProblemOnah(onasHaflagah,
"יום הפלגה (" + entry.Interval + ")", cancelKavuah);
}
//The Ta"z
if (this.KeepLongerHaflaga)
{
//Go through all earlier entries in the list that have a longer haflaga than this one -
//and they are not kept anyways due to onah Beinonis
//and their haflaga was never surpassed by an Entry after them
foreach (Entry e in otherEntries.Where(en =>
en <entry &&
en.Interval> entry.Interval &&
en.Interval != 30 &&
en.Interval != 31 &&
!otherEntries.Any(oe => oe > en && oe.Interval > en.Interval)))
{
Onah nextOne = entry.AddDays(e.Interval - 1);
if (!otherEntries.Any(en => en > entry && en < nextOne))
{
this.AddProblemOnah(nextOne,
"יום הפלגה (" + e.Interval + ") שלא נתבטלה", cancelKavuah);
}
}
}
}
}
private void AddProblemOnah(Onah onah, string name, Kavuah cancelKavuah = null, bool noOhrZarua = false)
{
onah.Name = name;
onah.IsIgnored = cancelKavuah != null && cancelKavuah.SettingOnah < onah;
this.ProblemOnahList.Add(onah);
if (!noOhrZarua && this.ShowOhrZeruah)
{
this.AddProblemOnah(Onah.GetPreviousOnah(onah), "או\"ז של " + name,
cancelKavuah,
noOhrZarua: true);
}
}
private void AddOnahBeinunisProblem(Onah probOnah, string name, Kavuah cancelKavuah)
{
//We don't flag the Ohr Zarua if it's included in Onah Beinonis of 24 hours as Onah Beinonis is stricter.
this.AddProblemOnah(probOnah, name, cancelKavuah,
noOhrZarua: this.OnahBenIs24Hours && probOnah.DayNight == DayNight.Day);
//If the user wants to keep 24 for the Onah Beinenis
if (this.OnahBenIs24Hours)
{
Onah otherOnah = probOnah.Clone();
otherOnah.DayNight = otherOnah.DayNight == DayNight.Day ? DayNight.Night : DayNight.Day;
this.AddProblemOnah(otherOnah, name, cancelKavuah, noOhrZarua: true);
}
}
public string GetNextOnahText()
{
string nextProblemText = "";
if (this.ProblemOnahList.Count > 0)
{
//We need to determine the earliest problem Onah, so we need to do a
//special sort on the list where the night Onah is before the day one for the same date.
this.ProblemOnahList.Sort(Onah.CompareOnahs);
Onah nowProblem = this.ProblemOnahList.FirstOrDefault(o => (!o.IsIgnored) && Onah.IsSameOnahPeriod(o, this.NowOnah));
Onah nextProblem = this.ProblemOnahList.FirstOrDefault(o => (!o.IsIgnored) && (Onah.CompareOnahs(o, this.NowOnah) == 1));
if (nowProblem != null)
{
nextProblemText += "עכשיו הוא " + nowProblem.Name;
}
if (nextProblem != null)
{
if (nextProblemText.Length > 0)
{
nextProblemText += " - ";
}
nextProblemText += "העונה הבאה בעוד " +
((nextProblem.DateTime - this.Today).Days + 1).ToString() +
" ימים - בתאריך: " +
nextProblem.DateTime.ToString("dd MMMM yyyy") +
" (" +
nextProblem.HebrewDayNight +
") שהוא " +
nextProblem.Name;
}
}
return(nextProblemText);
}
private static bool HasSameSettingEntry(Kavuah a, Kavuah b)
{
return(a != b &&
Onah.IsSameOnahPeriod(a.SettingOnah, b.SettingOnah));
}