public ReturnObject removeFromGamemode(int deckId, Gamemode mode) { if (viewDeck.getGamemodes(deckId).Contains(mode)) { carddeckRepository.removeFromGameode(deckId, mode); return(new ReturnObject(true, "Deck removed from Gamemode.")); } else { return(new ReturnObject(false, "Deck does not exist in this Gamemode.")); } }