private void CreateAllDbRepos()
 {
     _firmRepo           = new FirmRepository(_musicStoreContext);
     _electricGuitarRepo = new ElectricGuitarRepository(_musicStoreContext);
     _drumRepo           = new DrumRepository(_musicStoreContext);
     _acousticGuitarRepo = new AcousticGuitarRepository(_musicStoreContext);
     _synthesizerRepo    = new SynthesizerRepository(_musicStoreContext);
     _digitalPianoRepo   = new DigitalPianoRepository(_musicStoreContext);
 }
 public SynthController()
 {
     _synthesizers = new SynthesizerRepository();
 }
 public SynthesizerController(MusicStoreContext context)
 {
     _musicStoreContext = context;
     _synthesizerRepo   = new SynthesizerRepository(_musicStoreContext);
 }