private bool OverlapFound(Dictionary <string, string> errors, ReactCinemaDbContext context)
{
ShowtimeGroup overlappedGroup = context.ShowtimeGroups
.Where(s => s.FromDate <ToDate &&
s.ToDate> FromDate &&
s.MovieID == MovieID &&
s.ShowtimeGroupID != ShowtimeGroupID)
.FirstOrDefault();
if (overlappedGroup != null)
{
errors.Add("general", "Another Showtime Group was found which overlaps with this one.");
return(true);
}
List <ShowtimeGroupEntry> orderedEntries = ShowtimeGroupEntries.OrderBy(e => e.RoomID).ThenBy(e => e.StartTime).ToList();
for (int i = 0; i < orderedEntries.Count; i++)
{
if (i == orderedEntries.Count - 1)
{
break;
}
else if (orderedEntries[i].Conflicts(orderedEntries[i + 1], Movie.Duration))
{
errors.Add("general", $"Showtime {orderedEntries[i].FormatStartTime} overlaps with {orderedEntries[i+1].FormatStartTime}.");
return(true);
}
}
foreach (ShowtimeGroupEntry entry in ShowtimeGroupEntries)
{
entry.SetInterval();
for (DateTime date = FromDate; date <= ToDate; date = date.AddDays(1))
{
DateTime showtimeDate = date.Date + entry.Interval;
Showtime showtime = context.Showtimes
.Where(s => s.RoomID == entry.RoomID &&
s.StartTime <showtimeDate.AddMinutes(Movie.Duration) &&
s.EndTime> showtimeDate &&
s.MovieID != MovieID)
.Include(s => s.Movie)
.FirstOrDefault();
if (showtime != null)
{
errors.Add("general", $"Showtime conflict with {showtime.Movie.Title} at {showtime.StartTime}");
return(true);
}
}
}
return(false);
}
public void UpdateEntries(ShowtimeGroup updatedGroup)
{
if (updatedGroup.FromDate < FromDate)
{
foreach (ShowtimeGroupEntry entry in ShowtimeGroupEntries)
{
DateTime earlier = updatedGroup.ToDate < FromDate.AddDays(-1) ? ToDate : FromDate.AddDays(-1);
entry.GenerateShowtimes(Movie, updatedGroup.FromDate, earlier);
}
}
else if (updatedGroup.FromDate > FromDate)
{
foreach (ShowtimeGroupEntry entry in ShowtimeGroupEntries)
{
entry.RemoveShowtimes(FromDate, updatedGroup.FromDate.AddDays(-1));
}
}
FromDate = updatedGroup.FromDate;
if (updatedGroup.ToDate < ToDate)
{
foreach (ShowtimeGroupEntry entry in ShowtimeGroupEntries)
{
entry.RemoveShowtimes(updatedGroup.ToDate.AddDays(1), ToDate);
}
}
else if (updatedGroup.ToDate > ToDate)
{
foreach (ShowtimeGroupEntry entry in ShowtimeGroupEntries)
{
DateTime later = ToDate.AddDays(1) > updatedGroup.FromDate ? ToDate.AddDays(1) : updatedGroup.FromDate;
entry.GenerateShowtimes(Movie, later, updatedGroup.ToDate);
}
}
ToDate = updatedGroup.ToDate;
UpdateGroupEntries(updatedGroup);
}
private void UpdateGroupEntries(ShowtimeGroup updatedGroup)
{
List <ShowtimeGroupEntry> entriesToDelete = ShowtimeGroupEntries
.Where(e => !updatedGroup.ShowtimeGroupEntries.Any(ue => (e.StartTime == ue.StartTime &&
e.RoomID == ue.RoomID &&
e.ExperienceID == ue.ExperienceID) ||
(e.ShowtimeGroupEntryID == ue.ShowtimeGroupEntryID)))
.ToList();
List <ShowtimeGroupEntry> entriesToCreate = updatedGroup.ShowtimeGroupEntries
.Where(ue => !ShowtimeGroupEntries.Any(e => (e.StartTime == ue.StartTime &&
e.RoomID == ue.RoomID &&
e.ExperienceID == ue.ExperienceID) ||
(e.ShowtimeGroupEntryID == ue.ShowtimeGroupEntryID)))
.ToList();
foreach (ShowtimeGroupEntry entry in entriesToDelete)
{
ShowtimeGroupEntries.Remove(entry);
}
foreach (ShowtimeGroupEntry entry in ShowtimeGroupEntries)
{
ShowtimeGroupEntry updatedEntry = updatedGroup.ShowtimeGroupEntries
.Where(e => e.ShowtimeGroupEntryID == entry.ShowtimeGroupEntryID)
.SingleOrDefault();
if (updatedEntry != null)
{
entry.UpdateData(updatedEntry, Movie.Duration);
}
}
foreach (ShowtimeGroupEntry entry in entriesToCreate)
{
entry.GenerateShowtimes(Movie, FromDate, ToDate);
ShowtimeGroupEntries.Add(entry);
}
}