refactor(wizard): make CreateSessionHandler wizard-driven and remove legacy parser

This commit is contained in:
2026-06-04 09:00:37 +03:00
parent eeffae659f
commit 4a04d7d723
8 changed files with 282 additions and 538 deletions
@@ -1,194 +1,254 @@
using Dapper;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.Json;
using System.Threading;
using System.Threading.Tasks;
using GmRelay.Bot.Features.Sessions.CreateSession.Wizard;
using GmRelay.Shared.Domain;
using GmRelay.Shared.Features.Sessions.CreateSession;
using GmRelay.Shared.Features.Sessions.CreateSession.Wizard;
using GmRelay.Shared.Platform;
using GmRelay.Bot.Infrastructure.Telegram;
using Npgsql;
using Telegram.Bot;
using Microsoft.Extensions.Logging;
using Telegram.Bot.Types;
using Telegram.Bot.Types.ReplyMarkups;
using SharedCreateSessionHandler = GmRelay.Shared.Features.Sessions.CreateSession.CreateSessionHandler;
namespace GmRelay.Bot.Features.Sessions.CreateSession;
public sealed class CreateSessionHandler(
GmRelay.Shared.Features.Sessions.CreateSession.CreateSessionHandler sharedHandler,
NpgsqlDataSource dataSource,
IPlatformMessenger messenger,
ILogger<CreateSessionHandler> logger)
/// <summary>
/// Wizard-driven entry point for game-session creation. Replaces the legacy
/// text-template parser. Exposes <see cref="StartWizardAsync"/> (called from
/// <c>/newsession</c>), <see cref="TryResumeAsync"/> (continue a draft), and
/// <see cref="SubmitDraftAsync"/> (finalize on "✅ Создать" callback).
/// </summary>
public sealed class CreateSessionHandler
{
public async Task HandleAsync(Message message, CancellationToken ct)
private const int MaxRetries = 3;
private readonly WizardDraftRepository _drafts;
private readonly SharedCreateSessionHandler _shared;
private readonly ITelegramWizardMessenger _messenger;
private readonly ILogger<CreateSessionHandler> _log;
public CreateSessionHandler(
WizardDraftRepository drafts,
SharedCreateSessionHandler shared,
ITelegramWizardMessenger messenger,
ILogger<CreateSessionHandler> log)
{
var parseResult = NewSessionCommandParser.Parse(message.Text ?? message.Caption, DateTimeOffset.UtcNow);
_drafts = drafts;
_shared = shared;
_messenger = messenger;
_log = log;
}
foreach (var timeInput in parseResult.PastTimeInputs)
/// <summary>
/// Entry point for <c>/newsession</c>. If a non-expired draft already exists for
/// this (chat, thread, owner), returns <c>null</c> so the caller can render a
/// "Continue / Start over / Cancel" menu.
/// </summary>
public async Task<WizardDraft?> StartWizardAsync(Message message, CancellationToken ct)
{
var existing = await _drafts.GetActiveAsync(
message.Chat.Id, message.MessageThreadId, message.From?.Id ?? 0, ct);
if (existing is not null)
{
await messenger.SendGroupMessageAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
$"⚠️ Предупреждение: дата {timeInput} находится в прошлом и будет пропущена.",
ct);
return null;
}
foreach (var timeInput in parseResult.InvalidTimeInputs)
var draft = new WizardDraft
{
await messenger.SendGroupMessageAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
$"⚠️ Предупреждение: некорректный формат времени '{timeInput}'. Пропущено.",
ct);
}
Id = Guid.NewGuid(),
ChatId = message.Chat.Id,
MessageThreadId = message.MessageThreadId,
OwnerTelegramId = message.From?.Id ?? 0,
Step = WizardStepNames.Type,
CreatedAt = DateTimeOffset.UtcNow,
UpdatedAt = DateTimeOffset.UtcNow,
ExpiresAt = DateTimeOffset.UtcNow.AddHours(24),
};
await _drafts.UpsertAsync(draft, ct);
foreach (var seatLimitInput in parseResult.InvalidSeatLimitInputs)
var (text, kb) = WizardStep.Render(draft, new WizardPayload());
var msgId = await _messenger.SendGroupMessageAsync(
draft.ChatId, draft.MessageThreadId, text, kb, ct);
draft.DraftMessageId = msgId;
draft.UpdatedAt = DateTimeOffset.UtcNow;
await _drafts.UpsertAsync(draft, ct);
return draft;
}
/// <summary>
/// Resume an existing draft — returns the draft row so the caller can re-render.
/// </summary>
public Task<WizardDraft?> TryResumeAsync(Message message, CancellationToken ct) =>
_drafts.GetActiveAsync(
message.Chat.Id, message.MessageThreadId, message.From?.Id ?? 0, ct);
/// <summary>
/// Finalize: build shared command(s), call the shared handler, edit the wizard message.
/// On failure, retry up to <see cref="MaxRetries"/> times before deleting the draft.
/// </summary>
public async Task SubmitDraftAsync(WizardDraft draft, CancellationToken ct)
{
var payload = LoadPayload(draft);
if (!IsComplete(payload, out var missing))
{
await messenger.SendGroupMessageAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
$"⚠️ Предупреждение: некорректный лимит мест '{seatLimitInput}'. Укажите целое число больше 0.",
ct);
}
foreach (var recurringInput in parseResult.InvalidRecurringInputs)
{
await messenger.SendGroupMessageAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
$"⚠️ Предупреждение: некорректный повтор расписания '{recurringInput}'. Укажите число игр 1-52 и шаг 1-365 дней.",
ct);
}
if (!parseResult.IsValid)
{
await messenger.SendGroupMessageAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
"""
Не удалось распознать формат. Пожалуйста, используйте шаблон:
/newsession
Название: My Game
Время: 15.05.2026 19:30
Время: 22.05.2026 19:30
Мест: 4
Ссылка: https://link
Картинка: https://cover
Для повтора можно указать одну дату и строки:
Игр: 4
Интервал: 7
""",
ct);
await _messenger.EditMessageTextAsync(
draft.ChatId, draft.MessageThreadId, draft.DraftMessageId ?? 0,
$"❌ Не заполнены поля: {missing}", EmptyKeyboard(), ct);
return;
}
var imageReference = GetBatchImageReference(message, parseResult.ImageUrl);
var gmId = message.From!.Id;
var gmName = message.From.FirstName + (string.IsNullOrEmpty(message.From.LastName) ? string.Empty : $" {message.From.LastName}");
var gmUsername = message.From.Username;
var topicDestination = TelegramTopicRouting.ResolveNewScheduleDestination(
message.Chat.IsForum,
message.MessageThreadId);
var topicCreatedByBot = topicDestination.TopicCreatedByBot;
var messageThreadId = topicDestination.MessageThreadId;
if (topicDestination.ShouldCreateForumTopic)
{
try
{
var topicRef = await messenger.CreateThreadAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
$"🎲 Игры: {parseResult.Title}",
ct);
messageThreadId = int.Parse(topicRef.ExternalThreadId!, System.Globalization.CultureInfo.InvariantCulture);
}
catch (Exception ex)
when (ex.Message.Contains("not enough rights") ||
ex.Message.Contains("CHAT_ADMIN_REQUIRED") ||
ex.Message.Contains("not an administrator"))
{
await messenger.SendGroupMessageAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
TelegramTopicRouting.MissingForumTopicRightsMessage,
ct);
return;
}
}
var platformGroup = TelegramPlatformIds.Group(message.Chat.Id, messageThreadId, message.Chat.Title ?? "Private Chat");
var platformUser = new PlatformUser(
PlatformKind.Telegram,
gmId.ToString(System.Globalization.CultureInfo.InvariantCulture),
gmName,
gmUsername);
var command = new GmRelay.Shared.Features.Sessions.CreateSession.CreateSessionCommand(
platformUser,
platformGroup,
parseResult.Title!,
parseResult.Link!,
parseResult.ScheduledTimes,
parseResult.MaxPlayers,
imageReference);
GmRelay.Shared.Features.Sessions.CreateSession.CreateSessionResult result;
var commands = BuildCommands(draft, payload);
try
{
result = await sharedHandler.HandleAsync(command, ct);
}
catch
{
await messenger.SendGroupMessageAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
"💥 Произошла ошибка базы данных при создании сессии.",
ct);
throw;
}
if (!result.Success)
{
await messenger.SendGroupMessageAsync(
TelegramPlatformIds.Group(message.Chat.Id, null),
result.ErrorMessage!,
ct);
return;
}
var scheduleMessage = new PlatformScheduleMessage(
platformGroup,
result.View!,
null,
imageReference);
var sentMessageRef = await messenger.SendScheduleAsync(scheduleMessage, ct);
// Store batch_message_id
if (int.TryParse(sentMessageRef.ExternalMessageId, System.Globalization.NumberStyles.Integer, System.Globalization.CultureInfo.InvariantCulture, out var batchMessageId))
{
await using var connection = await dataSource.OpenConnectionAsync(ct);
await connection.ExecuteAsync(
"UPDATE sessions SET batch_message_id = @MsgId WHERE batch_id = @BatchId",
new { MsgId = batchMessageId, BatchId = result.BatchId });
}
// Delete original message
try
{
await messenger.DeleteMessageAsync(
TelegramPlatformIds.Message(message.Chat.Id, null, message.MessageId),
ct);
foreach (var cmd in commands)
{
await _shared.HandleAsync(cmd, ct);
}
var totalSessions = commands.Sum(c => c.ScheduledTimes.Count);
await _messenger.EditMessageTextAsync(
draft.ChatId, draft.MessageThreadId, draft.DraftMessageId ?? 0,
$"✅ Создано: {totalSessions} {(totalSessions == 1 ? "сессия" : "сессий")}",
EmptyKeyboard(), ct);
await _drafts.DeleteAsync(draft.Id, ct);
}
catch (Exception ex)
{
logger.LogWarning(ex, "Не удалось удалить исходное сообщение {MessageId} в чате {ChatId}", message.MessageId, message.Chat.Id);
_log.LogError(ex, "SubmitDraftAsync failed for draft {DraftId}", draft.Id);
payload.RetryCount += 1;
SavePayload(draft, payload);
if (payload.RetryCount >= MaxRetries)
{
await _messenger.EditMessageTextAsync(
draft.ChatId, draft.MessageThreadId, draft.DraftMessageId ?? 0,
"💥 Не удалось создать сессию после 3 попыток. Используйте /newsession, чтобы начать заново.",
EmptyKeyboard(), ct);
await _drafts.DeleteAsync(draft.Id, ct);
return;
}
draft.UpdatedAt = DateTimeOffset.UtcNow;
await _drafts.UpsertAsync(draft, ct);
await _messenger.EditMessageTextAsync(
draft.ChatId, draft.MessageThreadId, draft.DraftMessageId ?? 0,
$"💥 Ошибка: {ex.Message}\nПопытка {payload.RetryCount}/{MaxRetries}.",
RetryCancelKeyboard(), ct);
}
}
internal static string? GetBatchImageReference(Message message, string? parsedImageUrl)
// ── Build shared commands ────────────────────────────────────────
// The shared handler creates one session per scheduled time in a single transaction
// and assigns the same batch_id to all of them. A wizard pool therefore produces ONE
// command with N times; a single-game wizard produces ONE command with one time.
private static List<CreateSessionCommand> BuildCommands(WizardDraft draft, WizardPayload p)
{
var attachedPhotoFileId = message.Photo?
.OrderByDescending(photo => photo.FileSize ?? 0)
.ThenByDescending(photo => photo.Width * photo.Height)
.FirstOrDefault()
?.FileId;
if (!string.IsNullOrWhiteSpace(attachedPhotoFileId))
if (p.Type == WizardCreationType.Pool && p.Pool is { } pool && pool.Slots.Count > 0)
{
return attachedPhotoFileId;
return new List<CreateSessionCommand>
{
BuildCommand(
draft,
p,
pool.Slots.Select(s => s.ScheduledAt).ToList(),
MaxPlayersForPool(pool),
isOneShot: false)
};
}
return string.IsNullOrWhiteSpace(parsedImageUrl) ? null : parsedImageUrl.Trim();
return new List<CreateSessionCommand>
{
BuildCommand(
draft,
p,
new[] { p.Single?.ScheduledAt ?? default },
p.Single?.MaxPlayers ?? 0,
isOneShot: true)
};
}
private static int MaxPlayersForPool(WizardPoolInput pool) =>
pool.Slots.Count == 0 ? 0 : pool.Slots.Max(s => s.MaxPlayers);
private static CreateSessionCommand BuildCommand(
WizardDraft draft,
WizardPayload p,
IReadOnlyList<DateTimeOffset> scheduledTimes,
int maxPlayers,
bool isOneShot)
{
var gmId = draft.OwnerTelegramId;
var user = new PlatformUser(
PlatformKind.Telegram,
gmId.ToString(System.Globalization.CultureInfo.InvariantCulture),
DisplayName: string.Empty,
ExternalUsername: null);
var group = new PlatformGroup(
PlatformKind.Telegram,
draft.ChatId.ToString(System.Globalization.CultureInfo.InvariantCulture),
DisplayName: string.Empty,
ExternalChannelId: null,
ExternalThreadId: draft.MessageThreadId?.ToString(System.Globalization.CultureInfo.InvariantCulture));
return new CreateSessionCommand(
User: user,
Group: group,
Title: p.Title ?? string.Empty,
Link: string.Empty,
ScheduledTimes: scheduledTimes,
MaxPlayers: maxPlayers,
ImageReference: p.ImageFileId ?? p.ImageUrl,
System: ParseSystem(p.System),
Description: p.Description,
Format: null,
DurationMinutes: p.DurationMinutes,
IsOneShot: isOneShot);
}
private static GameSystem? ParseSystem(string? code)
{
if (string.IsNullOrWhiteSpace(code)) return null;
return Enum.TryParse<GameSystem>(code, ignoreCase: true, out var sys) ? sys : null;
}
// ── Validation ───────────────────────────────────────────────────
private static bool IsComplete(WizardPayload p, out string missing)
{
var missingFields = new List<string>();
if (string.IsNullOrWhiteSpace(p.Title)) missingFields.Add("название");
if (string.IsNullOrWhiteSpace(p.System)) missingFields.Add("система");
if (!p.DurationMinutes.HasValue) missingFields.Add("длительность");
if (p.Visibility is null) missingFields.Add("видимость");
if (p.Type == WizardCreationType.Single)
{
if (p.Single?.ScheduledAt is null) missingFields.Add("дата/время");
if (p.Single?.MaxPlayers is null) missingFields.Add("лимит мест");
}
else
{
if (p.Pool is null || p.Pool.Slots.Count == 0) missingFields.Add("слоты");
}
missing = string.Join(", ", missingFields);
return missingFields.Count == 0;
}
// ── Payload I/O ──────────────────────────────────────────────────
private static WizardPayload LoadPayload(WizardDraft draft)
{
if (string.IsNullOrEmpty(draft.PayloadJson)) return new WizardPayload();
return JsonSerializer.Deserialize(draft.PayloadJson, WizardPayloadJsonContext.Default.WizardPayload) ?? new WizardPayload();
}
private static void SavePayload(WizardDraft draft, WizardPayload p)
{
draft.PayloadJson = JsonSerializer.Serialize(p, WizardPayloadJsonContext.Default.WizardPayload);
}
// ── Keyboards ────────────────────────────────────────────────────
private static InlineKeyboardMarkup EmptyKeyboard() => new(Array.Empty<InlineKeyboardButton[]>());
private static InlineKeyboardMarkup RetryCancelKeyboard() => new(new[]
{
new[] { InlineKeyboardButton.WithCallbackData("🔁 Повторить", WizardCallbackData.Create()) },
new[] { InlineKeyboardButton.WithCallbackData("❌ Отмена", WizardCallbackData.Cancel()) },
});
}
@@ -1,184 +0,0 @@
using GmRelay.Shared.Domain;
namespace GmRelay.Bot.Features.Sessions.CreateSession;
internal sealed record NewSessionParseResult(
string? Title,
string? Link,
string? ImageUrl,
int? MaxPlayers,
IReadOnlyList<DateTimeOffset> ScheduledTimes,
IReadOnlyList<string> PastTimeInputs,
IReadOnlyList<string> InvalidTimeInputs,
IReadOnlyList<string> InvalidSeatLimitInputs,
IReadOnlyList<string> InvalidRecurringInputs)
{
public bool IsValid =>
!string.IsNullOrWhiteSpace(Title) &&
!string.IsNullOrWhiteSpace(Link) &&
ScheduledTimes.Count > 0 &&
InvalidSeatLimitInputs.Count == 0 &&
InvalidRecurringInputs.Count == 0;
}
internal static class NewSessionCommandParser
{
private const int MaxRecurringSessionCount = 52;
private const int MaxRecurringIntervalDays = 365;
private const string TitlePrefix = "\u041d\u0430\u0437\u0432\u0430\u043d\u0438\u0435:";
private const string TimePrefix = "\u0412\u0440\u0435\u043c\u044f:";
private const string LinkPrefix = "\u0421\u0441\u044b\u043b\u043a\u0430:";
private static readonly string[] ImagePrefixes =
[
"\u041a\u0430\u0440\u0442\u0438\u043d\u043a\u0430:",
"\u0418\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u0438\u0435:",
"\u041e\u0431\u043b\u043e\u0436\u043a\u0430:"
];
private static readonly string[] SeatLimitPrefixes =
[
"\u041c\u0435\u0441\u0442:",
"\u041b\u0438\u043c\u0438\u0442:",
"\u041c\u0430\u043a\u0441\u0438\u043c\u0443\u043c:"
];
private static readonly string[] RecurringCountPrefixes =
[
"\u0418\u0433\u0440:",
"\u0421\u0435\u0441\u0441\u0438\u0439:",
"\u041f\u043e\u0432\u0442\u043e\u0440\u043e\u0432:"
];
private static readonly string[] RecurringIntervalPrefixes =
[
"\u0428\u0430\u0433:",
"\u0418\u043d\u0442\u0435\u0440\u0432\u0430\u043b:"
];
public static NewSessionParseResult Parse(string? text, DateTimeOffset nowUtc)
{
string? title = null;
string? link = null;
string? imageUrl = null;
int? maxPlayers = null;
int? recurringCount = null;
var recurringIntervalDays = 7;
var scheduledTimes = new List<DateTimeOffset>();
var pastTimeInputs = new List<string>();
var invalidTimeInputs = new List<string>();
var invalidSeatLimitInputs = new List<string>();
var invalidRecurringInputs = new List<string>();
foreach (var line in (text ?? string.Empty).Split('\n', StringSplitOptions.TrimEntries))
{
if (line.StartsWith(TitlePrefix, StringComparison.OrdinalIgnoreCase))
{
title = line[TitlePrefix.Length..].Trim();
continue;
}
if (line.StartsWith(LinkPrefix, StringComparison.OrdinalIgnoreCase))
{
link = line[LinkPrefix.Length..].Trim();
continue;
}
var imagePrefix = ImagePrefixes.FirstOrDefault(prefix =>
line.StartsWith(prefix, StringComparison.OrdinalIgnoreCase));
if (imagePrefix is not null)
{
imageUrl = line[imagePrefix.Length..].Trim();
continue;
}
var seatLimitPrefix = SeatLimitPrefixes.FirstOrDefault(prefix =>
line.StartsWith(prefix, StringComparison.OrdinalIgnoreCase));
if (seatLimitPrefix is not null)
{
var seatLimitInput = line[seatLimitPrefix.Length..].Trim();
if (int.TryParse(seatLimitInput, out var parsedMaxPlayers) && parsedMaxPlayers > 0)
{
maxPlayers = parsedMaxPlayers;
}
else
{
invalidSeatLimitInputs.Add(seatLimitInput);
}
continue;
}
var recurringCountPrefix = RecurringCountPrefixes.FirstOrDefault(prefix =>
line.StartsWith(prefix, StringComparison.OrdinalIgnoreCase));
if (recurringCountPrefix is not null)
{
var recurringInput = line[recurringCountPrefix.Length..].Trim();
if (int.TryParse(recurringInput, out var parsedCount) &&
parsedCount is >= 1 and <= MaxRecurringSessionCount)
{
recurringCount = parsedCount;
}
else
{
invalidRecurringInputs.Add(recurringInput);
}
continue;
}
var recurringIntervalPrefix = RecurringIntervalPrefixes.FirstOrDefault(prefix =>
line.StartsWith(prefix, StringComparison.OrdinalIgnoreCase));
if (recurringIntervalPrefix is not null)
{
var recurringInput = line[recurringIntervalPrefix.Length..].Trim();
if (int.TryParse(recurringInput, out var parsedInterval) &&
parsedInterval is >= 1 and <= MaxRecurringIntervalDays)
{
recurringIntervalDays = parsedInterval;
}
else
{
invalidRecurringInputs.Add(recurringInput);
}
continue;
}
if (!line.StartsWith(TimePrefix, StringComparison.OrdinalIgnoreCase))
{
continue;
}
var timeInput = line[TimePrefix.Length..].Trim();
if (!MoscowTime.TryParseMoscow(timeInput, out var scheduledAt))
{
invalidTimeInputs.Add(timeInput);
continue;
}
if (scheduledAt <= nowUtc)
{
pastTimeInputs.Add(timeInput);
continue;
}
scheduledTimes.Add(scheduledAt);
}
if (recurringCount.HasValue && scheduledTimes.Count == 1)
{
var firstScheduledTime = scheduledTimes[0];
scheduledTimes = Enumerable.Range(0, recurringCount.Value)
.Select(index => firstScheduledTime.AddDays(recurringIntervalDays * index))
.ToList();
}
return new NewSessionParseResult(
title,
link,
imageUrl,
maxPlayers,
scheduledTimes,
pastTimeInputs,
invalidTimeInputs,
invalidSeatLimitInputs,
invalidRecurringInputs);
}
}
@@ -213,7 +213,9 @@ public sealed class UpdateRouter(
break;
case "/newsession":
await createSessionHandler.HandleAsync(message, ct);
// TODO (Task 13): if a non-expired draft already exists, render a
// "Continue / Start over / Cancel" menu instead of starting a new one.
await createSessionHandler.StartWizardAsync(message, ct);
break;
case "/listsessions":