public System.Guid AddMusicGroup(MusicGroupsFolder.MusicGroup group) // Pridani hudebni skupiny bez referenci
{
var alreadyInDatabase = _database.MusicGroups.FirstOrDefault(stored => stored.MusicGroupID == group.ID);
if (alreadyInDatabase == null)
{
MusicGroup tmpMusicGroup = new MusicGroup()
{
MusicGroupName = group.Name,
MusicGroupCreatedDate = group.CreatedDate,
MusicGroupEndDate = group.EndDate,
MusicGroupNationality = group.Nationality,
MusicGroupType = group.Type.ToString(),
MusicGroupPhoto = group.Image
};
try
{
_database.MusicGroups.InsertOnSubmit(tmpMusicGroup);
_database.SubmitChanges();
}
catch (Exception e)
{
ErrorString = e.Message;
MessageBox.Show("Nepodařilo se přidat hudební skupinu do databáze!\n\n" + ErrorString);
}
return(tmpMusicGroup.MusicGroupID);
}
else
{
alreadyInDatabase.MusicGroupEndDate = group.EndDate;
alreadyInDatabase.MusicGroupCreatedDate = group.CreatedDate;
alreadyInDatabase.MusicGroupName = group.Name;
alreadyInDatabase.MusicGroupNationality = group.Nationality;
alreadyInDatabase.MusicGroupPhoto = group.Image;
alreadyInDatabase.MusicGroupType = group.Type.ToString();
_database.MusicGroups.Context.SubmitChanges();
return(alreadyInDatabase.MusicGroupID);
}
}
partial void UpdateMusicGroup(MusicGroup instance);
partial void DeleteMusicGroup(MusicGroup instance);
partial void InsertMusicGroup(MusicGroup instance);