/// <summary>
/// Creates a ranking in the leaderboard database.
/// </summary>
/// <param name="ranking">Ranking that you are creating.</param>
public Ranking CreateRanking(PMRanking ranking)
{
try
{
Ranking newRanking = new Ranking();
newRanking.Username = ranking.Username;
newRanking.Rating = ranking.Rating;
Leaderboard leaderboard = LeaderboardDBEntities.Leaderboards.Where(x => x.LeaderboardName.Equals(ranking.LeaderboardName, StringComparison.CurrentCultureIgnoreCase)).FirstOrDefault();
if (null == leaderboard)
{
Leaderboard newLeaderboard = new Leaderboard();
newLeaderboard.LeaderboardName = ranking.LeaderboardName;
LeaderboardDBEntities.Leaderboards.Add(newLeaderboard);
leaderboard = newLeaderboard;
}
newRanking.Leaderboard = leaderboard;
newRanking.LeaderboardID = leaderboard.LeaderboardID;
LeaderboardDBEntities.Rankings.Add(newRanking);
LeaderboardDBEntities.SaveChanges();
return(newRanking);
}
catch (Exception)
{
throw;
}
}
/// <summary>
/// Creates or updates the ranking, if already exists, in the leaderboard database.
/// </summary>
/// <param name="ranking">Ranking that you intend to upsert.</param>
public HttpResponseMessage UpsertRanking([FromBody] PMRanking ranking)
{
try
{
CheckArgumentExists(ranking.Username, nameof(ranking.Username));
CheckArgumentExists(ranking.LeaderboardName, nameof(ranking.LeaderboardName));
CheckRatingNegative(ranking.Rating);
Ranking foundRanking = LeaderboardDataProvider.FindRanking(ranking.Username, ranking.LeaderboardName);
if (null == foundRanking)
{
Ranking newRanking = LeaderboardDataProvider.CreateRanking(ranking);
var message = Request.CreateResponse(HttpStatusCode.Created, ranking);
message.Headers.Location = new Uri(Request.RequestUri + newRanking.RankingID.ToString());
return(message);
}
else
{
LeaderboardDataProvider.UpdateRanking(foundRanking, ranking);
return(Request.CreateResponse(HttpStatusCode.OK, ranking));
}
}
catch (Exception ex)
{
return(Request.CreateErrorResponse(HttpStatusCode.BadRequest, ex));
}
}
/// <summary>
/// Updates a ranking in the leaderboard database.
/// </summary>
/// <param name="foundRanking">Ranking that you intend to update.</param>
/// <param name="ranking">Values of the ranking you intend to change.</param>
public Ranking UpdateRanking(Ranking foundRanking, PMRanking ranking)
{
try
{
Ranking newRanking = new Ranking();
newRanking.RankingID = foundRanking.RankingID;
newRanking.Username = ranking.Username;
newRanking.Rating = ranking.Rating;
Leaderboard leaderboard = LeaderboardDBEntities.Leaderboards.Where(x => x.LeaderboardName.Equals(ranking.LeaderboardName, StringComparison.CurrentCultureIgnoreCase)).FirstOrDefault();
newRanking.Leaderboard = leaderboard;
newRanking.LeaderboardID = leaderboard.LeaderboardID;
LeaderboardDBEntities.Entry(foundRanking).CurrentValues.SetValues(newRanking);
LeaderboardDBEntities.SaveChanges();
return(foundRanking);
}
catch (Exception)
{
throw;
}
}
