public bool AddGenre(Genre genre)
{
try
{
var isExist= Db.GetGenre().Any(g => g.Name.Equals(genre.Name));
if (isExist)
return false;
else return Db.AddGenre(genre);
}
catch
{
throw ;
}
}
public bool DeleteGenre(Genre aGenre)
{
try
{
var videoList = GetVideo();
if (videoList != null)
{
var result = !videoList.Any(v => v.GenreId.Equals(aGenre.Id));
if (result)
{
return Db.DeleteGenre(aGenre);
}
else
{
return false;
}
}
else
{
return Db.DeleteGenre(aGenre);
}
}
catch
{
throw;
}
}
//TODO: In the update methods you would want to check that the Id is not equal to an empty Guid
public bool UpdateGenre(Guid key, Genre newGenre)
{
try
{
return Db.UpdateGenre(key, newGenre);
}
catch
{
throw;
}
}
public bool DeleteGenre(Genre aGenre)
{
try
{
foreach (KeyValuePair<Guid, Genre> genreItem in genreList)
{
if (genreItem.Value.Equals(aGenre))
{
return genreList.Remove(genreItem.Key);
}
}
return false;
}
catch
{
throw new VideoRentalException(new Genre(){Name = aGenre.Name});
}
}
