2018-10-08 16:36:22 +00:00
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using System;
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using System.Threading.Tasks;
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using DeukBot4.MessageHandlers.CommandHandler;
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using StackExchange.Redis;
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namespace DeukBot4.Database
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{
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public static class BirthdayHandler
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{
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private static ConnectionMultiplexer Redis => ReminderHandler.Redis;
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2018-10-08 16:53:04 +00:00
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public static async Task<DateTime?> GetBirthday(ulong server, ulong user)
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{
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var db = Redis.GetDatabase();
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var exists = db.HashGet("birthdays", (RedisValue) $"{server}-{user}");
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if (exists.HasValue)
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{
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var bdayEntries = db.HashGetAll(exists.ToString());
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DateTime bday = DateTime.MinValue;
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foreach (var bdayEntry in bdayEntries)
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{
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if (bdayEntry.Name == "birthday") bday = DateTime.FromBinary(long.Parse(bdayEntry.Value));
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}
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return bday;
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}
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return null;
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}
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2018-10-08 16:36:22 +00:00
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public static async Task AddBirthday(DateTime birthday, ulong server, ulong user)
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{
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try
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{
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var db = Redis.GetDatabase();
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var exists = db.HashGet("birthdays", (RedisValue) $"{server}-{user}");
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if (exists.HasValue)
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{
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var bdayEntries = db.HashGetAll(exists.ToString());
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DateTime bday = DateTime.MinValue;
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foreach (var bdayEntry in bdayEntries)
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{
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if (bdayEntry.Name == "birthday") bday = DateTime.FromBinary(long.Parse(bdayEntry.Value));
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}
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db.SetRemove(bday.ToString("ddMM"), exists);
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db.KeyDelete(exists.ToString());
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}
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var id = Guid.NewGuid().ToString();
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db.HashSet("birthdays", (RedisValue) $"{server}-{user}", id);
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db.SetAdd(birthday.ToString("ddMM"), id);
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db.HashSetAsync((RedisKey) id, new[]
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{
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new HashEntry("server", server.ToString("D")),
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new HashEntry("user", user.ToString("D")),
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new HashEntry("birthday", birthday.ToBinary().ToString("D")),
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});
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}
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catch (Exception e)
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{
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Logger.Main.LogError(e);
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}
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}
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private static int Years(DateTime start, DateTime end)
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{
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return (end.Year - start.Year - 1) +
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(((end.Month > start.Month) ||
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((end.Month == start.Month) && (end.Day >= start.Day))) ? 1 : 0);
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}
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private static DateTime _lastCheckedDate;
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// ReSharper disable once FunctionRecursiveOnAllPaths
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public static async Task CheckBirthdays()
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{
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var today = DateTime.UtcNow.Date;
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while (!Program.IsConnected)
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{
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await Task.Delay(500);
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}
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try
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{
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if (today != _lastCheckedDate)
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{
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_lastCheckedDate = today;
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await ActualBirthdayCheck(today);
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}
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}
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catch (Exception e)
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{
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Logger.Main.LogError(e);
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}
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2018-10-08 16:48:44 +00:00
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await Task.Delay(TimeSpan.FromHours(1));
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2018-10-08 16:36:22 +00:00
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await CheckBirthdays();
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}
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private static async Task ActualBirthdayCheck(DateTime today)
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{
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var db = Redis.GetDatabase();
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var reminders = db.SetMembers(today.ToString("ddMM"));
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foreach (var redisValue in reminders)
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{
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ulong server = 0;
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ulong user = 0;
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DateTime birthday = today;
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var val = redisValue.ToString();
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var data = db.HashGetAll(val);
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foreach (var hashEntry in data)
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{
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if (hashEntry.Name == "server") server = ulong.Parse(hashEntry.Value);
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else if (hashEntry.Name == "user") user = ulong.Parse(hashEntry.Value);
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else if (hashEntry.Name == "birthday") birthday = DateTime.FromBinary(long.Parse(hashEntry.Value));
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}
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var guild = Program.Client.GetGuild(server);
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if (guild != null)
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{
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var guildUser = guild.GetUser(user);
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if (guildUser == null)
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{
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Console.WriteLine("Can't celebrate birthday for user, not in guild anymore :(");
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db.KeyDelete(val);
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return;
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}
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var eb = EmbedFactory.GetStandardEmbedBuilder();
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eb.Title = $":confetti_ball::confetti_ball: Happy Birthday! :confetti_ball::confetti_ball: ";
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var age = Years(birthday, today);
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eb.Description = $"It's <@!{guildUser.Id}>'s {age}th birthday!! Have a good one!";
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eb.ThumbnailUrl = guildUser.GetAvatarUrl();
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guild.DefaultChannel.SendMessageAsync("", embed: eb.Build());
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}
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}
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}
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}
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}
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