public async Task <string> GetLeaderBoardAsync()
{
// Gets global leaderboard sorted set from Redis
var list = await _redisServer.Database.SortedSetRangeByRankWithScoresAsync(leaderboardkey, 0, -1, Order.Descending);
// If Redis is empty, go Db
if (list.Length == 0)
{
//Gets leaderboard from Db
var dbList = await _leaderBoardService.GetLeaderBoard();
// If Db is empty, return null
if (dbList.Count == 0)
{
return(null);
}
// Adds userlist from Db to Redis
foreach (var user in dbList)
{
// Adds user global leaderboad in Redis
await _redisServer.Database.SortedSetAddAsync(leaderboardkey, member : user.user_id.ToString(), score : user.points);
// Adds user country leaderboad in Redis
await _redisServer.Database.SortedSetAddAsync(user.country, member : user.user_id.ToString(), score : user.points);
// Creates a user hashset in Redis
await _redisServer.Database.HashSetAsync(key : user.user_id.ToString(), new HashEntry[] { new HashEntry("display_name", user.display_name.ToString()), new HashEntry("points", user.points), new HashEntry("country", user.country) });
}
// Get generated leaderboard from Redis
list = await _redisServer.Database.SortedSetRangeByRankWithScoresAsync(leaderboardkey, 0, -1, Order.Descending);
}
return(await FillReturnList(list));
}
public async Task <ActionResult <LeaderBoardViewModel> > GetLeaderBoard() => Ok(await _leaderBoardService.GetLeaderBoard());
