Refactor command message deletion
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134829b263
commit
81cd5496d5
@ -36,13 +36,13 @@ namespace PluralKit.Bot
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private readonly PeriodicStatCollector _collector;
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private readonly IMetrics _metrics;
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private readonly ErrorMessageService _errorMessageService;
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private readonly IDatabase _db;
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private readonly CommandMessageService _commandMessageService;
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private bool _hasReceivedReady = false;
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private Timer _periodicTask; // Never read, just kept here for GC reasons
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public Bot(DiscordShardedClient client, ILifetimeScope services, ILogger logger, PeriodicStatCollector collector, IMetrics metrics,
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ErrorMessageService errorMessageService, IDatabase db)
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ErrorMessageService errorMessageService, CommandMessageService commandMessageService)
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{
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_client = client;
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_logger = logger.ForContext<Bot>();
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@ -50,7 +50,7 @@ namespace PluralKit.Bot
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_collector = collector;
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_metrics = metrics;
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_errorMessageService = errorMessageService;
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_db = db;
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_commandMessageService = commandMessageService;
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}
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public void Init()
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@ -183,7 +183,7 @@ namespace PluralKit.Bot
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await UpdateBotStatus();
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// Clean up message cache in postgres
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await _db.Execute(conn => conn.QueryAsync("select from cleanup_command_message()"));
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await _commandMessageService.CleanupOldMessages();
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// Collect some stats, submit them to the metrics backend
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await _collector.CollectStats();
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@ -28,6 +28,7 @@ namespace PluralKit.Bot
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private readonly ModelRepository _repo;
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private readonly PKSystem _senderSystem;
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private readonly IMetrics _metrics;
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private readonly CommandMessageService _commandMessageService;
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private Command _currentCommand;
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@ -44,6 +45,7 @@ namespace PluralKit.Bot
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_repo = provider.Resolve<ModelRepository>();
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_metrics = provider.Resolve<IMetrics>();
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_provider = provider;
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_commandMessageService = provider.Resolve<CommandMessageService>();
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_parameters = new Parameters(message.Content.Substring(commandParseOffset));
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}
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@ -73,10 +75,14 @@ namespace PluralKit.Bot
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if (embed != null && !this.BotHasAllPermissions(Permissions.EmbedLinks))
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throw new PKError("PluralKit does not have permission to send embeds in this channel. Please ensure I have the **Embed Links** permission enabled.");
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var msg = await Channel.SendMessageFixedAsync(text, embed: embed, mentions: mentions);
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if (embed != null)
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{
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// Sensitive information that might want to be deleted by :x: reaction is typically in an embed format (member cards, for example)
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// This may need to be changed at some point but works well enough for now
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await _db.Execute(conn => _repo.SaveCommandMessage(conn, msg.Id, Author.Id));
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await _commandMessageService.RegisterMessage(msg.Id, Author.Id);
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}
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return msg;
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}
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@ -15,14 +15,16 @@ namespace PluralKit.Bot
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{
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private readonly IDatabase _db;
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private readonly ModelRepository _repo;
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private readonly CommandMessageService _commandMessageService;
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private readonly EmbedService _embeds;
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private readonly ILogger _logger;
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public ReactionAdded(EmbedService embeds, ILogger logger, IDatabase db, ModelRepository repo)
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public ReactionAdded(EmbedService embeds, ILogger logger, IDatabase db, ModelRepository repo, CommandMessageService commandMessageService)
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{
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_embeds = embeds;
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_db = db;
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_repo = repo;
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_commandMessageService = commandMessageService;
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_logger = logger.ForContext<ReactionAdded>();
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}
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@ -44,39 +46,53 @@ namespace PluralKit.Bot
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// Ignore reactions from bots (we can't DM them anyway)
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if (evt.User.IsBot) return;
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Task<FullMessage> GetMessage() =>
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_db.Execute(c => _repo.GetMessage(c, evt.Message.Id));
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FullMessage msg;
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CommandMessage cmdmsg;
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switch (evt.Emoji.Name)
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{
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// Message deletion
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case "\u274C": // Red X
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if ((msg = await GetMessage()) != null)
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await HandleDeleteReaction(evt, msg);
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else if ((cmdmsg = await _db.Execute(conn => _repo.GetCommandMessage(conn, evt.Message.Id))) != null)
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await HandleCommandDeleteReaction(evt, cmdmsg);
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{
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await using var conn = await _db.Obtain();
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var msg = await _repo.GetMessage(conn, evt.Message.Id);
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if (msg != null)
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{
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await HandleProxyDeleteReaction(evt, msg);
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break;
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}
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var commandMsg = await _commandMessageService.GetCommandMessage(conn, evt.Message.Id);
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if (commandMsg != null)
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await HandleCommandDeleteReaction(evt, commandMsg);
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break;
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}
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case "\u2753": // Red question mark
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case "\u2754": // White question mark
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if ((msg = await GetMessage()) != null)
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{
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await using var conn = await _db.Obtain();
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var msg = await _repo.GetMessage(conn, evt.Message.Id);
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if (msg != null)
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await HandleQueryReaction(evt, msg);
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break;
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}
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case "\U0001F514": // Bell
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case "\U0001F6CE": // Bellhop bell
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case "\U0001F3D3": // Ping pong paddle (lol)
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case "\u23F0": // Alarm clock
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case "\u2757": // Exclamation mark
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if ((msg = await GetMessage()) != null)
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{
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await using var conn = await _db.Obtain();
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var msg = await _repo.GetMessage(conn, evt.Message.Id);
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if (msg != null)
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await HandlePingReaction(evt, msg);
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break;
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}
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}
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}
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private async ValueTask HandleDeleteReaction(MessageReactionAddEventArgs evt, FullMessage msg)
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private async ValueTask HandleProxyDeleteReaction(MessageReactionAddEventArgs evt, FullMessage msg)
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{
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if (!evt.Channel.BotHasAllPermissions(Permissions.ManageMessages)) return;
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@ -97,10 +113,12 @@ namespace PluralKit.Bot
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private async ValueTask HandleCommandDeleteReaction(MessageReactionAddEventArgs evt, CommandMessage msg)
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{
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if (!evt.Channel.BotHasAllPermissions(Permissions.ManageMessages)) return;
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if (!evt.Channel.BotHasAllPermissions(Permissions.ManageMessages))
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return;
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// Can only delete your own message
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if (msg.author_id != evt.User.Id) return;
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if (msg.AuthorId != evt.User.Id)
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return;
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try
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{
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@ -74,6 +74,7 @@ namespace PluralKit.Bot
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builder.RegisterType<LastMessageCacheService>().AsSelf().SingleInstance();
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builder.RegisterType<LoggerCleanService>().AsSelf().SingleInstance();
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builder.RegisterType<ErrorMessageService>().AsSelf().SingleInstance();
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builder.RegisterType<CommandMessageService>().AsSelf().SingleInstance();
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// Sentry stuff
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builder.Register(_ => new Scope(null)).AsSelf().InstancePerLifetimeScope();
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50
PluralKit.Bot/Services/CommandMessageService.cs
Normal file
50
PluralKit.Bot/Services/CommandMessageService.cs
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@ -0,0 +1,50 @@
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using System.Threading.Tasks;
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using NodaTime;
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using PluralKit.Core;
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using Serilog;
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namespace PluralKit.Bot
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{
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public class CommandMessageService
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{
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private static readonly Duration CommandMessageRetention = Duration.FromSeconds(2);
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private readonly IDatabase _db;
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private readonly ModelRepository _repo;
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private readonly IClock _clock;
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private readonly ILogger _logger;
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public CommandMessageService(IDatabase db, ModelRepository repo, IClock clock, ILogger logger)
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{
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_db = db;
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_repo = repo;
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_clock = clock;
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_logger = logger;
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}
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public async Task RegisterMessage(ulong messageId, ulong authorId)
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{
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_logger.Debug("Registering command response {MessageId} from author {AuthorId}", messageId, authorId);
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await _db.Execute(conn => _repo.SaveCommandMessage(conn, messageId, authorId));
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}
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public async Task<CommandMessage> GetCommandMessage(IPKConnection conn, ulong messageId)
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{
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return await _repo.GetCommandMessage(conn, messageId);
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}
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public async Task CleanupOldMessages()
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{
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var deleteThresholdInstant = _clock.GetCurrentInstant() - CommandMessageRetention;
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var deleteThresholdSnowflake = DiscordUtils.InstantToSnowflake(deleteThresholdInstant);
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var deletedRows = await _db.Execute(conn => _repo.DeleteCommandMessagesBefore(conn, deleteThresholdSnowflake));
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_logger.Information("Pruned {DeletedRows} command messages older than retention {Retention} (older than {DeleteThresholdInstant} / {DeleteThresholdSnowflake})",
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deletedRows, CommandMessageRetention, deleteThresholdInstant, deleteThresholdSnowflake);
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}
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}
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}
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@ -1,17 +1,10 @@
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-- SCHEMA VERSION 11: (insert date) --
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-- SCHEMA VERSION 11: 2020-10-23 --
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-- Create command message table --
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create table command_message
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create table command_messages
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(
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message_id bigint primary key,
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author_id bigint not null,
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timestamp timestamp not null default now()
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message_id bigint primary key not null,
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author_id bigint not null
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);
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create function cleanup_command_message() returns void as $$
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begin
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delete from command_message where timestamp < now() - interval '2 hours';
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end;
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$$ language plpgsql;
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update info set schema_version = 11;
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@ -1,5 +1,3 @@
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using System.Collections.Generic;
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using System.Data;
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using System.Threading.Tasks;
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using Dapper;
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@ -8,17 +6,22 @@ namespace PluralKit.Core
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{
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public partial class ModelRepository
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{
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public Task SaveCommandMessage(IPKConnection conn, ulong message_id, ulong author_id) =>
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conn.QueryAsync("insert into command_message (message_id, author_id) values (@Message, @Author)",
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new {Message = message_id, Author = author_id });
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public Task SaveCommandMessage(IPKConnection conn, ulong messageId, ulong authorId) =>
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conn.QueryAsync("insert into command_messages (message_id, author_id) values (@Message, @Author)",
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new {Message = messageId, Author = authorId });
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public Task<CommandMessage> GetCommandMessage(IPKConnection conn, ulong message_id) =>
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conn.QuerySingleOrDefaultAsync<CommandMessage>("select message_id, author_id from command_message where message_id = @Message",
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new {Message = message_id});
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}
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public Task<CommandMessage> GetCommandMessage(IPKConnection conn, ulong messageId) =>
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conn.QuerySingleOrDefaultAsync<CommandMessage>("select * from command_messages where message_id = @Message",
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new {Message = messageId});
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public Task<int> DeleteCommandMessagesBefore(IPKConnection conn, ulong messageIdThreshold) =>
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conn.ExecuteAsync("delete from command_messages where message_id < @Threshold",
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new {Threshold = messageIdThreshold});
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}
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public class CommandMessage
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{
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public ulong author_id { get; set; }
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public ulong AuthorId { get; set; }
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public ulong MessageId { get; set; }
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}
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}
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