// Want to be able to display games that each person has in common with other person
        // Should be able to also see playtimes of each person ???? (maybe)
        public async Task <IActionResult> GetGamesInCommon(string steamId1, string steamId2)
        {
            try
            {
                var gamesPlayedUser1 = await GetGamesPlayedByUser(steamId1, false);

                var gamesPlayedUser2 = await GetGamesPlayedByUser(steamId2, false);

                if (gamesPlayedUser1 == null || gamesPlayedUser2 == null)
                {
                    if (gamesPlayedUser1 == null && gamesPlayedUser2 == null)
                    {
                        return(Content($"{steamId1} and {steamId2} both had issues retrieving data associated with their accounts."));
                    }
                    if (gamesPlayedUser1 == null)
                    {
                        return(Content($"{steamId1} either has a private profile, steam user with that id does not exist, or some other error occurred."));
                    }
                    if (gamesPlayedUser2 == null)
                    {
                        return(Content($"{steamId2} either has a private profile, steam user with that id does not exist, or some other error occurred."));
                    }
                }

                var gameInfos1 = gamesPlayedUser1.GameInfos;
                var gameInfos2 = gamesPlayedUser2.GameInfos;

                var gamesInCommonList = new List <CommonGame>();

                // key is game name, int is hours of playtime
                var gameDict = new Dictionary <string, int>();

                foreach (GameInfo gameInfo in gameInfos1)
                {
                    gameDict.Add(gameInfo.GameName, gameInfo.GamePlaytime);
                }

                foreach (GameInfo gameInfo in gameInfos2)
                {
                    if (gameDict.ContainsKey(gameInfo.GameName))
                    {
                        CommonGame commonGame = new CommonGame
                        {
                            GameName      = gameInfo.GameName,
                            PlaytimeUser1 = gameDict[gameInfo.GameName],
                            PlaytimeUser2 = gameInfo.GamePlaytime
                        };
                        gamesInCommonList.Add(commonGame);
                    }
                }

                var gamesInCommon = new GamesInCommon
                {
                    SteamName1  = await GetSteamName(steamId1),
                    SteamName2  = await GetSteamName(steamId2),
                    CommonGames = gamesInCommonList
                };

                return(View(gamesInCommon));
            }
            catch
            {
                DebugLog("\nException Caught!");
                DebugLog("From GetGamesInCommon");
                return(Content("Error while calculating games that users share."));
            }
        }