feat(discord): add /newsession slash command and handler
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
@@ -0,0 +1,62 @@
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using NetCord.Rest;
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using NetCord.Services.ApplicationCommands;
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namespace GmRelay.DiscordBot.Features.Sessions;
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[SlashCommand("newsession", "Create a new game session")]
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public class DiscordNewSessionCommand : ApplicationCommandModule<SlashCommandContext>
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{
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private readonly DiscordNewSessionHandler _handler;
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public DiscordNewSessionCommand(DiscordNewSessionHandler handler)
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{
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_handler = handler;
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}
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public async Task ExecuteAsync(
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[SlashCommandParameter(Name = "title", Description = "Game title")] string title,
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[SlashCommandParameter(Name = "time", Description = "Session time (YYYY-MM-DD HH:mm or DD.MM.YYYY HH:mm)")] string time,
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[SlashCommandParameter(Name = "seats", Description = "Maximum number of players")] long? seats = null,
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[SlashCommandParameter(Name = "link", Description = "Join link")] string? link = null)
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{
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var guild = Context.Guild
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?? throw new InvalidOperationException("This command can only be used in a guild.");
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var timeResult = DiscordNewSessionHandler.ParseTimeInput(time);
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if (!timeResult.IsSuccess)
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{
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await Context.Interaction.SendResponseAsync(
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InteractionCallback.Message($"❌ {timeResult.Error}"));
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return;
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}
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try
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{
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var view = await _handler.HandleAsync(
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guildId: guild.Id.ToString(),
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channelId: Context.Channel.Id.ToString(),
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userId: Context.User.Id,
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userDisplayName: Context.User.GlobalName ?? Context.User.Username,
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userRoles: Array.Empty<ulong>(), // NetCord alpha.489: GuildUser not exposed on SlashCommandContext
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guildOwnerId: guild.OwnerId,
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title: title,
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scheduledAt: timeResult.Value,
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maxPlayers: seats is null ? null : (int)seats.Value,
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joinLink: link,
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CancellationToken.None);
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await Context.Interaction.SendResponseAsync(
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InteractionCallback.Message("✅ Сессия создана!"));
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}
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catch (UnauthorizedAccessException ex)
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{
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await Context.Interaction.SendResponseAsync(
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InteractionCallback.Message($"⛔ {ex.Message}"));
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}
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catch (Exception)
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{
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await Context.Interaction.SendResponseAsync(
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InteractionCallback.Message("💥 Произошла ошибка при создании сессии."));
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}
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}
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}
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@@ -0,0 +1,148 @@
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using Dapper;
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using GmRelay.DiscordBot.Infrastructure.Discord;
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using GmRelay.Shared.Domain;
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using GmRelay.Shared.Platform;
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using GmRelay.Shared.Rendering;
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using Npgsql;
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namespace GmRelay.DiscordBot.Features.Sessions;
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public sealed record TimeParseResult(bool IsSuccess, DateTimeOffset Value, string? Error);
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public sealed class DiscordNewSessionHandler(
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NpgsqlDataSource dataSource,
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DiscordPermissionChecker permissionChecker,
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IPlatformMessenger messenger,
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ILogger<DiscordNewSessionHandler> logger)
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{
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public static TimeParseResult ParseTimeInput(string input)
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{
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if (DateTimeOffset.TryParseExact(
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input.Trim(),
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"yyyy-MM-dd HH:mm",
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System.Globalization.CultureInfo.InvariantCulture,
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System.Globalization.DateTimeStyles.AssumeUniversal,
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out var result))
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{
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if (result < DateTimeOffset.UtcNow)
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return new TimeParseResult(false, default, "Дата находится в прошлом.");
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return new TimeParseResult(true, result.ToUniversalTime(), null);
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}
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if (DateTimeOffset.TryParseExact(
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input.Trim(),
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"dd.MM.yyyy HH:mm",
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System.Globalization.CultureInfo.InvariantCulture,
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System.Globalization.DateTimeStyles.AssumeUniversal,
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out var altResult))
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{
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if (altResult < DateTimeOffset.UtcNow)
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return new TimeParseResult(false, default, "Дата находится в прошлом.");
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return new TimeParseResult(true, altResult.ToUniversalTime(), null);
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}
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return new TimeParseResult(false, default, "Некорректный формат даты. Используйте YYYY-MM-DD HH:mm или DD.MM.YYYY HH:mm");
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}
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public async Task<SessionBatchViewModel> HandleAsync(
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string guildId,
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string channelId,
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ulong userId,
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string userDisplayName,
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IEnumerable<ulong> userRoles,
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ulong guildOwnerId,
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string title,
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DateTimeOffset scheduledAt,
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int? maxPlayers,
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string? joinLink,
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CancellationToken cancellationToken)
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{
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await using var connection = await dataSource.OpenConnectionAsync(cancellationToken);
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var dbManagerUserIds = await connection.QueryAsync<ulong>(
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@"SELECT CAST(p.external_user_id AS BIGINT)
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FROM group_managers gm
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JOIN players p ON p.id = gm.player_id
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JOIN game_groups g ON g.id = gm.group_id
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WHERE g.platform = 'Discord' AND g.external_group_id = @GuildId",
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new { GuildId = guildId });
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if (!permissionChecker.CanManageSchedule(guildOwnerId, userId, userRoles, dbManagerUserIds))
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{
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throw new UnauthorizedAccessException("⛔ Только owner, администратор или manager могут создавать сессии.");
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}
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await using var transaction = await connection.BeginTransactionAsync(cancellationToken);
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try
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{
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await connection.ExecuteAsync(
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@"INSERT INTO players (display_name, platform, external_user_id, external_username)
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VALUES (@Name, 'Discord', @UserId, @Name)
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ON CONFLICT (platform, external_user_id)
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WHERE platform IS NOT NULL AND external_user_id IS NOT NULL
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DO UPDATE SET display_name = EXCLUDED.display_name,
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external_username = EXCLUDED.external_username",
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new { Name = userDisplayName, UserId = userId.ToString() },
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transaction);
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var groupId = await connection.ExecuteScalarAsync<Guid>(
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@"INSERT INTO game_groups (name, platform, external_group_id, external_channel_id)
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VALUES (@GuildId, 'Discord', @GuildId, @ChannelId)
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ON CONFLICT (platform, external_group_id)
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WHERE platform IS NOT NULL AND external_group_id IS NOT NULL
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DO UPDATE SET name = EXCLUDED.name,
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external_channel_id = COALESCE(EXCLUDED.external_channel_id, game_groups.external_channel_id)
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RETURNING id",
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new { GuildId = guildId, ChannelId = channelId },
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transaction);
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await connection.ExecuteAsync(
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@"INSERT INTO group_managers (group_id, player_id, role)
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SELECT @GroupId, p.id, @OwnerRole
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FROM players p
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WHERE p.platform = 'Discord' AND p.external_user_id = @UserId
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ON CONFLICT (group_id, player_id) DO NOTHING",
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new { GroupId = groupId, UserId = userId.ToString(), OwnerRole = GroupManagerRoleExtensions.OwnerValue },
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transaction);
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var batchId = Guid.NewGuid();
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var sessionId = await connection.ExecuteScalarAsync<Guid>(
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@"INSERT INTO sessions (batch_id, group_id, title, join_link, scheduled_at, status, max_players)
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VALUES (@BatchId, @GroupId, @Title, @Link, @ScheduledAt, @Status, @MaxPlayers)
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RETURNING id",
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new
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{
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BatchId = batchId,
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GroupId = groupId,
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Title = title,
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Link = joinLink ?? string.Empty,
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ScheduledAt = scheduledAt.UtcDateTime,
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Status = SessionStatus.Planned,
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MaxPlayers = maxPlayers
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},
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transaction);
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await transaction.CommitAsync(cancellationToken);
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logger.LogInformation("Created session {SessionId} in guild {GuildId}", sessionId, guildId);
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var sessions = new[] { new SessionBatchDto(sessionId, scheduledAt.UtcDateTime, SessionStatus.Planned, maxPlayers, joinLink ?? string.Empty) };
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var view = SessionBatchViewBuilder.Build(title, sessions, Array.Empty<ParticipantBatchDto>());
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await messenger.SendScheduleAsync(
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new PlatformScheduleMessage(
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new PlatformGroup(PlatformKind.Discord, guildId, guildId, channelId),
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view,
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null),
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cancellationToken);
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return view;
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}
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catch
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{
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await transaction.RollbackAsync(cancellationToken);
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throw;
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}
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}
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}
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@@ -0,0 +1,43 @@
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using GmRelay.DiscordBot.Features.Sessions;
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namespace GmRelay.Bot.Tests.Discord;
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public sealed class DiscordNewSessionHandlerTests
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{
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[Fact]
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public void ParseTimeInput_ShouldParseDiscordDateFormat()
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{
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var result = DiscordNewSessionHandler.ParseTimeInput("2026-05-20 19:30");
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Assert.True(result.IsSuccess);
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Assert.Equal(2026, result.Value.Year);
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Assert.Equal(5, result.Value.Month);
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Assert.Equal(20, result.Value.Day);
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Assert.Equal(19, result.Value.Hour);
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Assert.Equal(30, result.Value.Minute);
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}
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[Fact]
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public void ParseTimeInput_ShouldRejectPastDate()
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{
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var result = DiscordNewSessionHandler.ParseTimeInput("2020-01-01 00:00");
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Assert.False(result.IsSuccess);
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}
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[Fact]
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public void ParseTimeInput_ShouldParseRussianDateFormat()
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{
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var result = DiscordNewSessionHandler.ParseTimeInput("20.05.2026 19:30");
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Assert.True(result.IsSuccess);
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Assert.Equal(2026, result.Value.Year);
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Assert.Equal(5, result.Value.Month);
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Assert.Equal(20, result.Value.Day);
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}
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[Fact]
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public void ParseTimeInput_ShouldRejectInvalidFormat()
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{
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var result = DiscordNewSessionHandler.ParseTimeInput("not-a-date");
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Assert.False(result.IsSuccess);
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Assert.NotNull(result.Error);
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}
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}
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