private string RegulateDevice(string onChange, bool sign, int id, string type, int roomId) { using (SmartHouseContext context = new SmartHouseContext()) { if (context.Conditioners.Any()) { if (type == context.Conditioners.FirstOrDefault().GetType().ToString()) { Conditioner device = context.Conditioners.Find(id); if (sign) { device.IncreeseTemperature(); } else { device.DecreeseTemperature(); } device.Room = context.Rooms.Find(roomId); context.SaveChanges(); return(device.CurrentTemperature.ToString()); } else { } } else { } if (context.Exhausters.Any()) { if (type == context.Exhausters.FirstOrDefault().GetType().ToString()) { Exhauster device = context.Exhausters.Find(id); if (sign) { device.IncreesePower(); } else { device.DecreesePower(); } device.Room = context.Rooms.Find(roomId); context.SaveChanges(); return(device.CurrentPower.ToString()); } else { } } else { } if (context.Fridges.Any()) { if (type == context.Fridges.FirstOrDefault().GetType().ToString()) { Fridge device = context.Fridges.Find(id); if (sign) { device.IncreeseTemperature(); } else { device.DecreeseTemperature(); } device.Room = context.Rooms.Find(roomId); context.SaveChanges(); return(device.CurrentTemperature.ToString()); } else { } } else { } if (context.Lamps.Any()) { if (type == context.Lamps.FirstOrDefault().GetType().ToString()) { Lamp device = context.Lamps.Find(id); if (sign) { device.IncreeseBrightness(); } else { device.DecreeseBrightness(); } device.Room = context.Rooms.Find(roomId); context.SaveChanges(); return(device.CurrentBrightness.ToString()); } else { } } else { } if (context.Radiators.Any()) { if (type == context.Radiators.FirstOrDefault().GetType().ToString()) { Radiator device = context.Radiators.Find(id); if (sign) { device.IncreeseTemperature(); } else { device.DecreeseTemperature(); } device.Room = context.Rooms.Find(roomId); context.SaveChanges(); return(device.CurrentTemperature.ToString()); } else { } } if (context.StereoSystems.Any()) { if (type == context.StereoSystems.FirstOrDefault().GetType().ToString()) { StereoSystem device = context.StereoSystems.Find(id); if (sign) { device.IncreeseVolume(); } else { device.DecreeseVolume(); } device.Room = context.Rooms.Find(roomId); context.SaveChanges(); return(device.CurrentVolume.ToString()); } else { } } else { } if (context.TVs.Any()) { if (type == context.TVs.FirstOrDefault().GetType().ToString()) { TV device = context.TVs.Find(id); if (onChange == "volume") { if (sign) { device.IncreeseVolume(); } else { device.DecreeseVolume(); } } else if (onChange == "channel") { if (sign) { device.NextChannel(); } else { device.PrevChannel(); } } else { if (sign) { device.IncreeseBrightness(); } else { device.DecreeseBrightness(); } } device.Room = context.Rooms.Find(roomId); context.SaveChanges(); if (onChange == "volume") { return(device.CurrentVolume.ToString()); } else if (onChange == "channel") { return(device.GetCurrentChannelName()); } else { return(device.CurrentBrightness.ToString()); } } else { } } else { } } return(null); }