public PerformanceViewModel(VenueViewModel venueVm, ArtistViewModel artistVm, DateTime day, IManager manager)
{
this.manager = manager;
this.performance = new Performance();
this.performance.Start = day;
var artist = manager.GetArtistByName(artistVm.Name);
if (artist != null && artist.Count > 0)
this.performance.Artist = artist.ElementAt(0);
else
this.performance.Artist = new Artist();
var venue = manager.GetVenueById(venueVm.Id);
if (venue != null)
this.performance.Venue = venue;
this.venueVm = venueVm;
this.artistVm = artistVm;
this.day = day;
this.artists = new List<ArtistViewModel>();
this.venues = new List<VenueViewModel>();
SaveCommand = new RelayCommand(o => manager.UpdatePerformance(performance));
RemoveCommand = new RelayCommand(o => manager.RemovePerformance(performance));
}
public PerformanceViewModel(IManager manager)
{
this.manager = manager;
this.performance = new Performance();
this.venueVm = new VenueViewModel(manager);
this.artistVm = new ArtistViewModel(manager);
this.day = new DateTime(2000, 01, 01);
this.artists = new List<ArtistViewModel>();
this.venues = new List<VenueViewModel>();
SaveCommand = new RelayCommand(o => manager.UpdatePerformance(performance));
RemoveCommand = new RelayCommand(o => manager.RemovePerformance(performance));
}
public PerformanceViewModel(Performance performance, IManager manager)
{
this.manager = manager;
this.performance = performance;
this.venueVm = new VenueViewModel(performance.Venue, manager);
this.artistVm = new ArtistViewModel(performance.Artist, (manager));
this.day = new DateTime(performance.Start.Year, performance.Start.Month, performance.Start.Day,
performance.Start.Hour, performance.Start.Minute, performance.Start.Second);
this.artists = new List<ArtistViewModel>();
this.venues = new List<VenueViewModel>();
SaveCommand = new RelayCommand(o => manager.UpdatePerformance(performance));
RemoveCommand = new RelayCommand(o => manager.RemovePerformance(performance));
}
/// <summary>
/// Updates the performance.
/// </summary>
/// <param name="performance">The performance.</param>
/// <exception cref="System.ArgumentNullException">Invalid performance!</exception>
/// <exception cref="VenueException">Cannot update performance!</exception>
public bool UpdatePerformance(Performance performance)
{
if (performance == null)
return false;
if (performanceDao.FindById(performance.Id) != null)
{
if (!performanceDao.Update(performance))
return false;
}
return true;
}
/// <summary>
/// Determines whether [is performance valid] [the specified p].
/// </summary>
/// <param name="p">The p.</param>
/// <returns></returns>
public bool IsPerformanceValid(Performance p)
{
if (p == null ||
p.Artist == null ||
p.Venue == null)
return false;
DateTime start = new DateTime(p.Start.Year,
p.Start.Month,
p.Start.Day, 0, 0, 0);
DateTime end = new DateTime(p.Start.Year,
p.Start.Month,
p.Start.Day, 23, 59, 59);
var listPerformances = performanceDao.FindBetween(start, end);
foreach (var performance in listPerformances)
{
if (p.Artist.Equals(performance.Artist))
{
DateTime next = p.Start.AddHours(1);
DateTime prev = p.Start.AddHours(-1);
if (p.Start.Equals(performance.Start) ||
next.Equals(performance.Start) ||
prev.Equals(performance.Start))
return false;
}
}
return true;
}
public bool IsPerformanceValid(Performance p)
{
return viewBL.IsPerformanceValid(p);
}
public bool UpdatePerformance(Performance p)
{
return viewBL.UpdatePerformance(p);
}
public void UpdatePerformance(Performance performance)
{
if (performance == null)
throw new ArgumentNullException("Invalid performance!");
if (performanceDao.FindById(performance.Id) != null)
{
if (!performanceDao.Update(performance))
throw new VenueException("Cannot update performance!");
}
else
{
CreatePerformance(performance);
}
}
public void RemovePerformance(Performance performance)
{
if (!performanceDao.Delete(performance.Id))
throw new PerformanceException("Cannot remove performance!");
}
public void CreatePerformance(Performance performance)
{
if (performance == null)
throw new ArgumentNullException("Invalid performance!");
if (!performanceDao.Insert(performance))
throw new PerformanceException("Cannot create performance!");
}