feat(discord): add /reschedule slash command and handler

This commit is contained in:
2026-05-20 12:02:26 +03:00
parent a13edf20af
commit e93e777fb3
3 changed files with 310 additions and 0 deletions
@@ -0,0 +1,117 @@
namespace GmRelay.DiscordBot.Features.Sessions;
using NetCord.Rest;
using NetCord.Services.ApplicationCommands;
[SlashCommand("reschedule", "Initiate reschedule voting for a session")]
public class DiscordRescheduleCommand : ApplicationCommandModule<SlashCommandContext>
{
private readonly DiscordRescheduleHandler _handler;
private readonly ILogger<DiscordRescheduleCommand> _logger;
public DiscordRescheduleCommand(DiscordRescheduleHandler handler, ILogger<DiscordRescheduleCommand> logger)
{
_handler = handler;
_logger = logger;
}
public async Task ExecuteAsync(
[SlashCommandParameter(Name = "session", Description = "Session ID to reschedule")] string sessionIdText,
[SlashCommandParameter(Name = "option1", Description = "First time option (YYYY-MM-DD HH:mm)")] string option1,
[SlashCommandParameter(Name = "option2", Description = "Second time option (YYYY-MM-DD HH:mm)")] string option2,
[SlashCommandParameter(Name = "option3", Description = "Third time option (optional)")] string? option3 = null,
[SlashCommandParameter(Name = "deadline", Description = "Voting deadline (YYYY-MM-DD HH:mm)")] string deadline = "")
{
var guild = Context.Guild
?? throw new InvalidOperationException("This command can only be used in a guild.");
if (!Guid.TryParse(sessionIdText, out var sessionId))
{
await Context.Interaction.SendResponseAsync(
InteractionCallback.Message("❌ Некорректный ID сессии."));
return;
}
var options = new List<string> { option1, option2 };
if (!string.IsNullOrWhiteSpace(option3))
options.Add(option3);
var parsedOptions = new List<DateTimeOffset>();
foreach (var opt in options)
{
var result = DiscordNewSessionHandler.ParseTimeInput(opt);
if (!result.IsSuccess)
{
await Context.Interaction.SendResponseAsync(
InteractionCallback.Message($"❌ {opt}: {result.Error}"));
return;
}
parsedOptions.Add(result.Value);
}
var deadlineResult = DiscordNewSessionHandler.ParseTimeInput(deadline);
if (!deadlineResult.IsSuccess)
{
await Context.Interaction.SendResponseAsync(
InteractionCallback.Message($"❌ Дедлайн: {deadlineResult.Error}"));
return;
}
if (deadlineResult.Value >= parsedOptions.Min())
{
await Context.Interaction.SendResponseAsync(
InteractionCallback.Message("❌ Дедлайн должен быть раньше первого варианта времени."));
return;
}
var resolvedPermissions = GetResolvedPermissions(guild, Context.User.Id);
try
{
var result = await _handler.HandleAsync(
guildId: guild.Id.ToString(),
channelId: Context.Channel.Id.ToString(),
userId: Context.User.Id,
userDisplayName: Context.User.GlobalName ?? Context.User.Username,
resolvedPermissions: resolvedPermissions,
guildOwnerId: guild.OwnerId,
sessionId: sessionId,
options: parsedOptions,
deadline: deadlineResult.Value,
CancellationToken.None);
await Context.Interaction.SendResponseAsync(
InteractionCallback.Message(
$"🗳 Голосование за перенос запущено! Дедлайн: {deadlineResult.Value:yyyy-MM-dd HH:mm} UTC."));
}
catch (UnauthorizedAccessException ex)
{
await Context.Interaction.SendResponseAsync(
InteractionCallback.Message($":no_entry: {ex.Message}"));
}
catch (InvalidOperationException ex)
{
await Context.Interaction.SendResponseAsync(
InteractionCallback.Message($":warning: {ex.Message}"));
}
catch (Exception ex)
{
_logger.LogError(ex, "Failed to initiate reschedule for session {SessionId}", sessionId);
await Context.Interaction.SendResponseAsync(
InteractionCallback.Message(":boom: Ошибка при запуске голосования."));
}
}
private static ulong GetResolvedPermissions(NetCord.Gateway.Guild guild, ulong userId)
{
if (!guild.Users.TryGetValue(userId, out var guildUser))
return 0;
ulong resolved = 0;
foreach (var roleId in guildUser.RoleIds)
{
if (guild.Roles.TryGetValue(roleId, out var role))
resolved |= (ulong)role.Permissions;
}
return resolved;
}
}
@@ -0,0 +1,192 @@
namespace GmRelay.DiscordBot.Features.Sessions;
using Dapper;
using GmRelay.DiscordBot.Infrastructure.Discord;
using GmRelay.Shared.Domain;
using GmRelay.Shared.Features.Sessions.RescheduleSession;
using GmRelay.Shared.Platform;
using NetCord;
using NetCord.Rest;
using Npgsql;
public sealed record DiscordRescheduleResult(Guid ProposalId, IReadOnlyList<RescheduleOptionDto> Options, DateTimeOffset Deadline);
public sealed class DiscordRescheduleHandler(
NpgsqlDataSource dataSource,
DiscordPermissionChecker permissionChecker,
RestClient restClient,
ILogger<DiscordRescheduleHandler> logger)
{
public async Task<DiscordRescheduleResult> HandleAsync(
string guildId,
string channelId,
ulong userId,
string userDisplayName,
ulong resolvedPermissions,
ulong guildOwnerId,
Guid sessionId,
IReadOnlyList<DateTimeOffset> options,
DateTimeOffset deadline,
CancellationToken ct)
{
// 1. Permission check + read-only validation (before Discord message)
await using var readConnection = await dataSource.OpenConnectionAsync(ct);
var dbManagerUserIds = await readConnection.QueryAsync<ulong>(
@"SELECT CAST(p.external_user_id AS BIGINT)
FROM group_managers gm
JOIN players p ON p.id = gm.player_id
JOIN game_groups g ON g.id = gm.group_id
WHERE g.platform = 'Discord' AND g.external_group_id = @GuildId",
new { GuildId = guildId });
if (!permissionChecker.CanManageSchedule(guildOwnerId, userId, dbManagerUserIds, resolvedPermissions))
{
throw new UnauthorizedAccessException("⛔ Только owner, администратор или manager могут переносить сессии.");
}
// 2. Ensure player exists
await readConnection.ExecuteAsync(
@"INSERT INTO players (display_name, platform, external_user_id, external_username)
VALUES (@Name, 'Discord', @UserId, @Name)
ON CONFLICT (platform, external_user_id)
WHERE platform IS NOT NULL AND external_user_id IS NOT NULL
DO UPDATE SET display_name = EXCLUDED.display_name",
new { Name = userDisplayName, UserId = userId.ToString() });
// 3. Verify session exists
var session = await readConnection.QuerySingleOrDefaultAsync<RescheduleSessionInfoDto>(
"""
SELECT s.title AS Title, s.scheduled_at AS CurrentScheduledAt
FROM sessions s
WHERE s.id = @SessionId AND s.status != @Cancelled
""",
new { SessionId = sessionId, Cancelled = SessionStatus.Cancelled });
if (session is null)
throw new InvalidOperationException("Сессия не найдена или отменена.");
// 4. Check no active proposal
var hasActive = await readConnection.ExecuteScalarAsync<bool>(
"SELECT EXISTS (SELECT 1 FROM reschedule_proposals WHERE session_id = @SessionId AND status IN ('AwaitingTime', 'Voting'))",
new { SessionId = sessionId });
if (hasActive)
throw new InvalidOperationException("Уже есть активный запрос на перенос этой сессии.");
// 5. Load participants for rendering
var participants = (await readConnection.QueryAsync<VoteParticipantDto>(
"""
SELECT p.id AS PlayerId, p.display_name AS DisplayName, p.external_username AS TelegramUsername, 0 AS TelegramId
FROM session_participants sp
JOIN players p ON p.id = sp.player_id
WHERE sp.session_id = @SessionId AND sp.is_gm = false AND sp.registration_status = @Active
""",
new { SessionId = sessionId, Active = ParticipantRegistrationStatus.Active })).ToList();
// 6. Prepare proposal data
var proposalId = Guid.NewGuid();
var optionDtos = options.Select((o, i) => new RescheduleOptionDto(Guid.NewGuid(), i + 1, o)).ToList();
// 7. Build and send Discord vote message BEFORE transaction
var (embed, actionRow) = BuildVoteMessage(session.Title, session.CurrentScheduledAt, deadline, optionDtos, participants, []);
var channelIdUlong = ulong.Parse(channelId);
// NOTE: Discord message is sent before DB transaction to avoid orphaned proposals
// if the send fails. There is a negligible race window where the message is visible
// before the DB commit; in practice users cannot click faster than the transaction commits.
var sentMessage = await restClient.SendMessageAsync(
channelIdUlong,
new MessageProperties()
.WithEmbeds(new[] { embed })
.WithComponents(new[] { actionRow }));
// 8. Create proposal + options + platform_messages in transaction
try
{
await using var connection = await dataSource.OpenConnectionAsync(ct);
await using var transaction = await connection.BeginTransactionAsync(ct);
await connection.ExecuteAsync(
"""
INSERT INTO reschedule_proposals (id, session_id, proposed_by, source_platform, proposed_by_external_user_id, status, voting_deadline_at)
VALUES (@Id, @SessionId, NULL, 'Discord', @ProposedBy, 'Voting', @Deadline)
""",
new { Id = proposalId, SessionId = sessionId, ProposedBy = userId.ToString(), Deadline = deadline.UtcDateTime },
transaction);
foreach (var option in optionDtos)
{
await connection.ExecuteAsync(
"""
INSERT INTO reschedule_options (id, proposal_id, proposed_at, display_order)
VALUES (@OptionId, @ProposalId, @ProposedAt, @DisplayOrder)
""",
new { option.OptionId, ProposalId = proposalId, option.ProposedAt, option.DisplayOrder },
transaction);
}
await connection.ExecuteAsync(
"""
INSERT INTO platform_messages (platform, group_id, session_id, external_channel_id, external_message_id, purpose)
VALUES ('Discord', (SELECT id FROM game_groups WHERE platform = 'Discord' AND external_group_id = @GuildId), @SessionId, @ChannelId, @MessageId, 'reschedule_vote')
""",
new { GuildId = guildId, SessionId = sessionId, ChannelId = channelId, MessageId = sentMessage.Id.ToString() },
transaction);
await transaction.CommitAsync(ct);
}
catch (Exception ex)
{
logger.LogError(ex, "Transaction failed after Discord message sent; deleting orphaned message");
try { await restClient.DeleteMessageAsync(channelIdUlong, sentMessage.Id); } catch { /* best effort */ }
throw;
}
logger.LogInformation("Discord reschedule voting started for session {SessionId}, proposal {ProposalId}", sessionId, proposalId);
return new DiscordRescheduleResult(proposalId, optionDtos, deadline);
}
private static (EmbedProperties Embed, ActionRowProperties ActionRow) BuildVoteMessage(
string title, DateTime currentTime, DateTimeOffset deadline,
IReadOnlyList<RescheduleOptionDto> options, IReadOnlyList<VoteParticipantDto> participants, IReadOnlyList<RescheduleOptionVoteDto> votes)
{
var sb = new System.Text.StringBuilder();
sb.AppendLine($"📅 Текущее время: {currentTime.FormatMoscow()} (МСК)");
sb.AppendLine($"⏳ Дедлайн: {deadline.FormatMoscow()} (МСК)");
sb.AppendLine();
sb.AppendLine("Выберите один из вариантов:");
foreach (var option in options.OrderBy(o => o.DisplayOrder))
{
var count = votes.Count(v => v.OptionId == option.OptionId);
sb.AppendLine($"{option.DisplayOrder}. **{option.ProposedAt.FormatMoscow()}** (МСК) — {count} голосов");
}
if (participants.Count > 0)
{
sb.AppendLine();
sb.AppendLine($"Голосов: {votes.Count}/{participants.Count}");
}
var embed = new EmbedProperties()
.WithTitle($"🔄 Перенос сессии «{title}»")
.WithDescription(sb.ToString())
.WithColor(new NetCord.Color(0xFEE75C));
var actionRow = new ActionRowProperties();
foreach (var option in options.OrderBy(o => o.DisplayOrder))
{
actionRow.Add(new ButtonProperties(
$"reschedule_vote:{option.OptionId}",
$"{option.DisplayOrder}. {option.ProposedAt.ToOffset(TimeSpan.FromHours(3)):dd.MM HH:mm}",
ButtonStyle.Primary));
}
return (embed, actionRow);
}
}
internal sealed record RescheduleSessionInfoDto(string Title, DateTime CurrentScheduledAt);
+1
View File
@@ -44,6 +44,7 @@ builder.Services.AddSingleton<NpgsqlDataSource>(sp =>
builder.Services.AddSingleton<DiscordPermissionChecker>(); builder.Services.AddSingleton<DiscordPermissionChecker>();
builder.Services.AddSingleton<DiscordListSessionsHandler>(); builder.Services.AddSingleton<DiscordListSessionsHandler>();
builder.Services.AddSingleton<DiscordNewSessionHandler>(); builder.Services.AddSingleton<DiscordNewSessionHandler>();
builder.Services.AddSingleton<DiscordRescheduleHandler>();
builder.Services.AddSingleton<IScheduleMessageUpdateLock, ScheduleMessageUpdateLock>(); builder.Services.AddSingleton<IScheduleMessageUpdateLock, ScheduleMessageUpdateLock>();
builder.Services.AddSingleton<JoinSessionHandler>(); builder.Services.AddSingleton<JoinSessionHandler>();
builder.Services.AddSingleton<LeaveSessionHandler>(); builder.Services.AddSingleton<LeaveSessionHandler>();