feat: add campaign templates and recurring schedules

2026-04-28 10:01:18 +03:00
parent a1ec688ec8
commit 0218890a7a
17 changed files with 1075 additions and 14 deletions
@@ -42,11 +42,19 @@ public sealed class CreateSessionHandler(
                cancellationToken: cancellationToken);
        }

+        foreach (var recurringInput in parseResult.InvalidRecurringInputs)
+        {
+            await botClient.SendMessage(
+                message.Chat.Id,
+                $"⚠️ Предупреждение: некорректный повтор расписания '{recurringInput}'. Укажите число игр 1-52 и шаг 1-365 дней.",
+                cancellationToken: cancellationToken);
+        }
+
        if (!parseResult.IsValid)
        {
            await botClient.SendMessage(
                chatId: message.Chat.Id,
-                text: "❌ Не удалось распознать формат. Пожалуйста, используйте шаблон:\n\n/newsession\nНазвание: My Game\nВремя: 15.05.2026 19:30\nВремя: 22.05.2026 19:30\nМест: 4\nСсылка: https://link",
+                text: "❌ Не удалось распознать формат. Пожалуйста, используйте шаблон:\n\n/newsession\nНазвание: My Game\nВремя: 15.05.2026 19:30\nВремя: 22.05.2026 19:30\nМест: 4\nСсылка: https://link\n\nДля повтора можно указать одну дату и строки:\nИгр: 4\nИнтервал: 7",
                cancellationToken: cancellationToken);
            return;
        }
@@ -9,17 +9,21 @@ internal sealed record NewSessionParseResult(
    IReadOnlyList<DateTimeOffset> ScheduledTimes,
    IReadOnlyList<string> PastTimeInputs,
    IReadOnlyList<string> InvalidTimeInputs,
-    IReadOnlyList<string> InvalidSeatLimitInputs)
+    IReadOnlyList<string> InvalidSeatLimitInputs,
+    IReadOnlyList<string> InvalidRecurringInputs)
 {
    public bool IsValid =>
        !string.IsNullOrWhiteSpace(Title) &&
        !string.IsNullOrWhiteSpace(Link) &&
        ScheduledTimes.Count > 0 &&
-        InvalidSeatLimitInputs.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:";
@@ -29,16 +33,30 @@ internal static class NewSessionCommandParser
        "\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;
        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))
        {
@@ -71,6 +89,42 @@ internal static class NewSessionCommandParser
                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;
@@ -92,6 +146,14 @@ internal static class NewSessionCommandParser
            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,
@@ -99,6 +161,7 @@ internal static class NewSessionCommandParser
            scheduledTimes,
            pastTimeInputs,
            invalidTimeInputs,
-            invalidSeatLimitInputs);
+            invalidSeatLimitInputs,
+            invalidRecurringInputs);
    }
 }
@@ -218,6 +218,10 @@ public sealed class UpdateRouter(
                        Мест: 4
                        Ссылка: https://link

+                        Для регулярного расписания можно указать одну дату:
+                        Игр: 4
+                        Интервал: 7
+
                        /listsessions — список предстоящих сессий
                        Игроки могут записаться кнопкой «На дату» и сняться кнопкой «Выйти».
                        Owner и co-GM могут переносить сессии кнопкой «Перенести»: бот попросит 2-3 варианта времени и дедлайн голосования.
@@ -0,0 +1,17 @@
+CREATE TABLE campaign_templates (
+    id                  UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    group_id            UUID NOT NULL REFERENCES game_groups(id) ON DELETE CASCADE,
+    name                VARCHAR(200) NOT NULL,
+    title               VARCHAR(500) NOT NULL,
+    join_link           TEXT NOT NULL,
+    session_count       INTEGER NOT NULL CHECK (session_count BETWEEN 1 AND 52),
+    interval_days       INTEGER NOT NULL CHECK (interval_days BETWEEN 1 AND 365),
+    max_players         INTEGER CHECK (max_players IS NULL OR max_players > 0),
+    notification_mode   VARCHAR(32) NOT NULL DEFAULT 'GroupAndDirect'
+                        CHECK (notification_mode IN ('GroupAndDirect', 'GroupOnly')),
+    created_at          TIMESTAMPTZ NOT NULL DEFAULT now(),
+    updated_at          TIMESTAMPTZ NOT NULL DEFAULT now(),
+    UNIQUE (group_id, name)
+);
+
+CREATE INDEX ix_campaign_templates_group ON campaign_templates (group_id, created_at DESC);
@@ -85,6 +85,83 @@
        </div>
    }

+    @if (campaignTemplates is not null)
+    {
+        <div class="glass-card campaign-template-panel animate-slide-up">
+            <div class="batch-bulk-header">
+                <div>
+                    <h3>Шаблоны кампаний</h3>
+                    <p>@campaignTemplateModels.Count сохранённых</p>
+                </div>
+                <span class="status-badge status-info">Template</span>
+            </div>
+
+            <EditForm Model="@campaignTemplateModel" OnValidSubmit="CreateCampaignTemplate">
+                <div class="campaign-template-fields">
+                    <div class="gm-form-group">
+                        <label class="gm-form-label">Название шаблона</label>
+                        <InputText @bind-Value="campaignTemplateModel.Name" class="gm-form-control" />
+                    </div>
+                    <div class="gm-form-group">
+                        <label class="gm-form-label">Название кампании</label>
+                        <InputText @bind-Value="campaignTemplateModel.Title" class="gm-form-control" />
+                    </div>
+                    <div class="gm-form-group">
+                        <label class="gm-form-label">Ссылка</label>
+                        <InputText @bind-Value="campaignTemplateModel.JoinLink" class="gm-form-control" />
+                    </div>
+                    <div class="gm-form-group">
+                        <label class="gm-form-label">Игр</label>
+                        <InputNumber @bind-Value="campaignTemplateModel.SessionCount" class="gm-form-control" min="1" max="52" />
+                    </div>
+                    <div class="gm-form-group">
+                        <label class="gm-form-label">Интервал, дней</label>
+                        <InputNumber @bind-Value="campaignTemplateModel.IntervalDays" class="gm-form-control" min="1" max="365" />
+                    </div>
+                    <div class="gm-form-group">
+                        <label class="gm-form-label">Мест</label>
+                        <InputNumber @bind-Value="campaignTemplateModel.MaxPlayers" class="gm-form-control" min="1" />
+                    </div>
+                    <div class="gm-form-group">
+                        <label class="gm-form-label">Уведомления</label>
+                        <select @bind="campaignTemplateModel.NotificationMode" class="gm-form-control">
+                            <option value="@SessionNotificationModeExtensions.GroupAndDirectValue">В группе и в личку</option>
+                            <option value="@SessionNotificationModeExtensions.GroupOnlyValue">Только в группе</option>
+                        </select>
+                    </div>
+                </div>
+
+                <button type="submit" class="btn-gm btn-gm-primary" disabled="@isCreatingTemplate">
+                    @(isCreatingTemplate ? "⏳ Сохраняем..." : "💾 Сохранить шаблон")
+                </button>
+            </EditForm>
+
+            @if (campaignTemplateModels.Count > 0)
+            {
+                <div class="campaign-template-list">
+                    @foreach (var template in campaignTemplateModels)
+                    {
+                        <div class="campaign-template-row">
+                            <div class="campaign-template-info">
+                                <h3>@template.Name</h3>
+                                <p>@FormatTemplateSummary(template)</p>
+                            </div>
+                            <div class="campaign-template-actions">
+                                <input type="datetime-local" @bind="template.FirstScheduledAtLocal" class="gm-form-control" />
+                                <button type="button" class="btn-gm btn-gm-success" disabled="@IsTemplateBusy(template)" @onclick="() => CreateBatchFromTemplate(template)">
+                                    @(processingTemplateId == template.Id ? "⏳ Создаём..." : "📅 Создать batch")
+                                </button>
+                                <button type="button" class="btn-gm btn-gm-danger" disabled="@IsTemplateBusy(template)" @onclick="() => DeleteCampaignTemplate(template)">
+                                    @(deletingTemplateId == template.Id ? "⏳ Удаляем..." : "Удалить")
+                                </button>
+                            </div>
+                        </div>
+                    }
+                </div>
+            }
+        </div>
+    }
+
    @if (sessions == null)
    {
        <div class="glass-card" style="padding: 2rem;">
@@ -263,16 +340,22 @@
@code {
    [Parameter] public Guid GroupId { get; set; }
    private List<WebSession>? sessions;
+    private List<WebCampaignTemplate>? campaignTemplates;
    private WebGroupManagement? groupManagement;
    private List<BatchBulkEditModel> batchModels = [];
+    private List<CampaignTemplateUsageModel> campaignTemplateModels = [];
    private Guid? promotingSessionId;
    private Guid? processingBatchId;
+    private Guid? processingTemplateId;
+    private Guid? deletingTemplateId;
    private long? removingCoGmId;
    private bool isAddingCoGm;
+    private bool isCreatingTemplate;
    private long telegramId;
    private string? errorMessage;
    private string? successMessage;
    private CoGmEditModel coGmModel = new();
+    private CampaignTemplateEditModel campaignTemplateModel = new();

    protected override async Task OnInitializedAsync()
    {
@@ -302,7 +385,15 @@
            return;
        }

+        campaignTemplates = await SessionService.GetCampaignTemplatesForGmAsync(GroupId, telegramId);
+        if (campaignTemplates is null)
+        {
+            Navigation.NavigateTo("/access-denied");
+            return;
+        }
+
        RebuildBatchModels();
+        RebuildCampaignTemplateModels();
    }

    private async Task AddCoGm()
@@ -497,6 +588,110 @@
        }
    }

+    private async Task CreateCampaignTemplate()
+    {
+        errorMessage = null;
+        successMessage = null;
+
+        if (!ValidateCampaignTemplate(campaignTemplateModel))
+        {
+            errorMessage = "Шаблон должен иметь название, ссылку, 1-52 игр, шаг 1-365 дней и положительный лимит мест, если он указан.";
+            return;
+        }
+
+        isCreatingTemplate = true;
+
+        try
+        {
+            await SessionService.CreateCampaignTemplateForGmAsync(
+                GroupId,
+                telegramId,
+                new CreateCampaignTemplateRequest(
+                    campaignTemplateModel.Name,
+                    campaignTemplateModel.Title,
+                    campaignTemplateModel.JoinLink,
+                    campaignTemplateModel.SessionCount,
+                    campaignTemplateModel.IntervalDays,
+                    campaignTemplateModel.MaxPlayers,
+                    SessionNotificationModeExtensions.FromDatabaseValue(campaignTemplateModel.NotificationMode)));
+
+            campaignTemplateModel = new();
+            successMessage = "Шаблон кампании сохранён.";
+            await LoadSessions();
+        }
+        catch (SessionAccessDeniedException)
+        {
+            Navigation.NavigateTo("/access-denied");
+        }
+        catch (Exception ex)
+        {
+            errorMessage = "Не удалось сохранить шаблон: " + ex.Message;
+        }
+        finally
+        {
+            isCreatingTemplate = false;
+        }
+    }
+
+    private async Task CreateBatchFromTemplate(CampaignTemplateUsageModel template)
+    {
+        errorMessage = null;
+        successMessage = null;
+        processingTemplateId = template.Id;
+
+        try
+        {
+            var utcTime = new DateTimeOffset(template.FirstScheduledAtLocal, TimeSpan.FromHours(3)).ToUniversalTime().UtcDateTime;
+            if (utcTime <= DateTime.UtcNow)
+            {
+                errorMessage = "Первая дата batch должна быть в будущем.";
+                return;
+            }
+
+            var createdBatch = await SessionService.CreateBatchFromCampaignTemplateForGmAsync(template.Id, telegramId, utcTime);
+            successMessage = $"Batch создан из шаблона: {createdBatch.SessionCount} игр.";
+            await LoadSessions();
+        }
+        catch (SessionAccessDeniedException)
+        {
+            Navigation.NavigateTo("/access-denied");
+        }
+        catch (Exception ex)
+        {
+            errorMessage = "Не удалось создать batch из шаблона: " + ex.Message;
+        }
+        finally
+        {
+            processingTemplateId = null;
+        }
+    }
+
+    private async Task DeleteCampaignTemplate(CampaignTemplateUsageModel template)
+    {
+        errorMessage = null;
+        successMessage = null;
+        deletingTemplateId = template.Id;
+
+        try
+        {
+            await SessionService.DeleteCampaignTemplateForGmAsync(template.Id, telegramId);
+            successMessage = "Шаблон кампании удалён.";
+            await LoadSessions();
+        }
+        catch (SessionAccessDeniedException)
+        {
+            Navigation.NavigateTo("/access-denied");
+        }
+        catch (Exception ex)
+        {
+            errorMessage = "Не удалось удалить шаблон: " + ex.Message;
+        }
+        finally
+        {
+            deletingTemplateId = null;
+        }
+    }
+
    private void RebuildBatchModels()
    {
        batchModels = sessions?
@@ -523,6 +718,27 @@
            .ToList() ?? [];
    }

+    private void RebuildCampaignTemplateModels()
+    {
+        var defaultStart = DateTime.UtcNow.AddDays(7).ToMoscow();
+        campaignTemplateModels = campaignTemplates?
+            .OrderByDescending(template => template.UpdatedAt)
+            .ThenBy(template => template.Name)
+            .Select(template => new CampaignTemplateUsageModel
+            {
+                Id = template.Id,
+                Name = template.Name,
+                Title = template.Title,
+                JoinLink = template.JoinLink,
+                SessionCount = template.SessionCount,
+                IntervalDays = template.IntervalDays,
+                MaxPlayers = template.MaxPlayers,
+                NotificationMode = template.NotificationMode,
+                FirstScheduledAtLocal = defaultStart
+            })
+            .ToList() ?? [];
+    }
+
    private static bool ValidateBatchDetails(BatchBulkEditModel batch)
    {
        batch.Title = batch.Title.Trim();
@@ -530,8 +746,29 @@
        return batch.Title.Length > 0 && batch.JoinLink.Length > 0;
    }

+    private static bool ValidateCampaignTemplate(CampaignTemplateEditModel template)
+    {
+        template.Name = template.Name.Trim();
+        template.Title = template.Title.Trim();
+        template.JoinLink = template.JoinLink.Trim();
+
+        if (template.MaxPlayers.HasValue && template.MaxPlayers.Value <= 0)
+        {
+            return false;
+        }
+
+        return template.Name.Length > 0 &&
+               template.Title.Length > 0 &&
+               template.JoinLink.Length > 0 &&
+               template.SessionCount is >= 1 and <= 52 &&
+               template.IntervalDays is >= 1 and <= 365;
+    }
+
    private bool IsBatchBusy(BatchBulkEditModel batch) => processingBatchId == batch.BatchId;

+    private bool IsTemplateBusy(CampaignTemplateUsageModel template) =>
+        processingTemplateId == template.Id || deletingTemplateId == template.Id;
+
    private string CurrentUserRole =>
        groupManagement?.Managers.FirstOrDefault(manager => manager.TelegramId == telegramId)?.Role
        ?? GroupManagerRoleExtensions.CoGmValue;
@@ -577,6 +814,22 @@
    private static string FormatBatchSummary(BatchBulkEditModel batch) =>
        $"{batch.SessionCount} игр · {FormatLocalMoscow(batch.FirstScheduledAtLocal)} — {FormatLocalMoscow(batch.LastScheduledAtLocal)}";

+    private static string FormatTemplateSummary(CampaignTemplateUsageModel template)
+    {
+        var seats = template.MaxPlayers.HasValue
+            ? $"{template.MaxPlayers.Value.ToString(System.Globalization.CultureInfo.InvariantCulture)} мест"
+            : "без лимита";
+
+        return $"{template.Title} · {template.SessionCount} игр · каждые {template.IntervalDays} дн. · {seats} · {FormatNotificationMode(template.NotificationMode)}";
+    }
+
+    private static string FormatNotificationMode(string notificationMode) =>
+        SessionNotificationModeExtensions.FromDatabaseValue(notificationMode) switch
+        {
+            SessionNotificationMode.GroupOnly => "только группа",
+            _ => "группа и личка"
+        };
+
    private static string FormatLocalMoscow(DateTime localMoscow) =>
        localMoscow.ToString("d MMMM yyyy, HH:mm", System.Globalization.CultureInfo.GetCultureInfo("ru-RU"));

@@ -611,6 +864,30 @@
        public string CloneInterval { get; set; } = "week";
    }

+    private sealed class CampaignTemplateEditModel
+    {
+        public string Name { get; set; } = "";
+        public string Title { get; set; } = "";
+        public string JoinLink { get; set; } = "";
+        public int SessionCount { get; set; } = 6;
+        public int IntervalDays { get; set; } = 7;
+        public int? MaxPlayers { get; set; }
+        public string NotificationMode { get; set; } = SessionNotificationModeExtensions.GroupAndDirectValue;
+    }
+
+    private sealed class CampaignTemplateUsageModel
+    {
+        public Guid Id { get; init; }
+        public string Name { get; init; } = "";
+        public string Title { get; init; } = "";
+        public string JoinLink { get; init; } = "";
+        public int SessionCount { get; init; }
+        public int IntervalDays { get; init; }
+        public int? MaxPlayers { get; init; }
+        public string NotificationMode { get; init; } = SessionNotificationModeExtensions.GroupAndDirectValue;
+        public DateTime FirstScheduledAtLocal { get; set; } = DateTime.Now;
+    }
+
    private sealed class CoGmEditModel
    {
        public long? TelegramId { get; set; }
@@ -128,6 +128,60 @@ public sealed class AuthorizedSessionService(ISessionStore sessionStore)
        return await sessionStore.CloneBatchAsync(batchId, batch.GroupId, interval);
    }

+    public async Task<List<WebCampaignTemplate>?> GetCampaignTemplatesForGmAsync(Guid groupId, long gmId)
+    {
+        if (!await GroupBelongsToGmAsync(groupId, gmId))
+        {
+            return null;
+        }
+
+        return await sessionStore.GetCampaignTemplatesAsync(groupId);
+    }
+
+    public async Task<WebCampaignTemplate> CreateCampaignTemplateForGmAsync(
+        Guid groupId,
+        long gmId,
+        CreateCampaignTemplateRequest request)
+    {
+        if (!await GroupBelongsToGmAsync(groupId, gmId))
+        {
+            throw new SessionAccessDeniedException(groupId, gmId);
+        }
+
+        var normalizedRequest = NormalizeCampaignTemplateRequest(request);
+        return await sessionStore.CreateCampaignTemplateAsync(groupId, normalizedRequest);
+    }
+
+    public async Task DeleteCampaignTemplateForGmAsync(Guid templateId, long gmId)
+    {
+        var template = await sessionStore.GetCampaignTemplateAsync(templateId);
+        if (template is null || !await GroupBelongsToGmAsync(template.GroupId, gmId))
+        {
+            throw new SessionAccessDeniedException(templateId, gmId);
+        }
+
+        await sessionStore.DeleteCampaignTemplateAsync(templateId, template.GroupId);
+    }
+
+    public async Task<WebSessionBatch> CreateBatchFromCampaignTemplateForGmAsync(
+        Guid templateId,
+        long gmId,
+        DateTime firstScheduledAt)
+    {
+        if (firstScheduledAt <= DateTime.UtcNow)
+        {
+            throw new ArgumentOutOfRangeException(nameof(firstScheduledAt), firstScheduledAt, "First scheduled time must be in the future.");
+        }
+
+        var template = await sessionStore.GetCampaignTemplateAsync(templateId);
+        if (template is null || !await GroupBelongsToGmAsync(template.GroupId, gmId))
+        {
+            throw new SessionAccessDeniedException(templateId, gmId);
+        }
+
+        return await sessionStore.CreateBatchFromTemplateAsync(templateId, template.GroupId, firstScheduledAt);
+    }
+
    public async Task AddCoGmForOwnerAsync(Guid groupId, long ownerTelegramId, long coGmTelegramId, string displayName, string? telegramUsername)
    {
        if (coGmTelegramId <= 0)
@@ -169,4 +223,48 @@ public sealed class AuthorizedSessionService(ISessionStore sessionStore)
    {
        return await sessionStore.IsGroupManagerAsync(groupId, gmId);
    }
+
+    private static CreateCampaignTemplateRequest NormalizeCampaignTemplateRequest(CreateCampaignTemplateRequest request)
+    {
+        var name = request.Name.Trim();
+        var title = request.Title.Trim();
+        var joinLink = request.JoinLink.Trim();
+
+        if (name.Length == 0)
+        {
+            throw new ArgumentException("Template name must not be empty.", nameof(request));
+        }
+
+        if (title.Length == 0)
+        {
+            throw new ArgumentException("Session title must not be empty.", nameof(request));
+        }
+
+        if (joinLink.Length == 0)
+        {
+            throw new ArgumentException("Join link must not be empty.", nameof(request));
+        }
+
+        if (request.SessionCount is < 1 or > 52)
+        {
+            throw new ArgumentOutOfRangeException(nameof(request), request.SessionCount, "Session count must be between 1 and 52.");
+        }
+
+        if (request.IntervalDays is < 1 or > 365)
+        {
+            throw new ArgumentOutOfRangeException(nameof(request), request.IntervalDays, "Interval must be between 1 and 365 days.");
+        }
+
+        if (request.MaxPlayers is <= 0)
+        {
+            throw new ArgumentOutOfRangeException(nameof(request), request.MaxPlayers, "Seat limit must be greater than zero.");
+        }
+
+        return request with
+        {
+            Name = name,
+            Title = title,
+            JoinLink = joinLink
+        };
+    }
 }
@@ -18,8 +18,33 @@ public sealed record WebSessionBatch(
    int SessionCount,
    string NotificationMode = SessionNotificationModeExtensions.GroupAndDirectValue);

+public sealed record WebCampaignTemplate(
+    Guid Id,
+    Guid GroupId,
+    string Name,
+    string Title,
+    string JoinLink,
+    int SessionCount,
+    int IntervalDays,
+    int? MaxPlayers,
+    string NotificationMode,
+    DateTime CreatedAt,
+    DateTime UpdatedAt);
+
+public sealed record CreateCampaignTemplateRequest(
+    string Name,
+    string Title,
+    string JoinLink,
+    int SessionCount,
+    int IntervalDays,
+    int? MaxPlayers,
+    SessionNotificationMode NotificationMode);
+
 public static class BatchSchedulePlanner
 {
+    private const int MaxTemplateSessionCount = 52;
+    private const int MaxTemplateIntervalDays = 365;
+
    public static IReadOnlyList<DateTime> BuildFixedIntervalSchedule(
        IEnumerable<DateTime> currentSchedule,
        DateTime firstScheduledAt,
@@ -36,6 +61,26 @@ public static class BatchSchedulePlanner
            .ToList();
    }

+    public static IReadOnlyList<DateTime> BuildRecurringSchedule(
+        DateTime firstScheduledAt,
+        int sessionCount,
+        int intervalDays)
+    {
+        if (sessionCount is < 1 or > MaxTemplateSessionCount)
+        {
+            throw new ArgumentOutOfRangeException(nameof(sessionCount), sessionCount, "Session count must be between 1 and 52.");
+        }
+
+        if (intervalDays is < 1 or > MaxTemplateIntervalDays)
+        {
+            throw new ArgumentOutOfRangeException(nameof(intervalDays), intervalDays, "Interval must be between 1 and 365 days.");
+        }
+
+        return Enumerable.Range(0, sessionCount)
+            .Select(index => firstScheduledAt.AddDays(intervalDays * index))
+            .ToList();
+    }
+
    public static DateTime ShiftForClone(DateTime scheduledAt, BatchCloneInterval interval) =>
        interval switch
        {
@@ -18,6 +18,11 @@ public interface ISessionStore
    Task UpdateBatchNotificationModeAsync(Guid batchId, Guid groupId, SessionNotificationMode notificationMode);
    Task RescheduleBatchAsync(Guid batchId, Guid groupId, DateTime firstScheduledAt, int intervalDays);
    Task<WebSessionBatch> CloneBatchAsync(Guid batchId, Guid groupId, BatchCloneInterval interval);
+    Task<List<WebCampaignTemplate>> GetCampaignTemplatesAsync(Guid groupId);
+    Task<WebCampaignTemplate?> GetCampaignTemplateAsync(Guid templateId);
+    Task<WebCampaignTemplate> CreateCampaignTemplateAsync(Guid groupId, CreateCampaignTemplateRequest request);
+    Task DeleteCampaignTemplateAsync(Guid templateId, Guid groupId);
+    Task<WebSessionBatch> CreateBatchFromTemplateAsync(Guid templateId, Guid groupId, DateTime firstScheduledAt);
    Task AddGroupCoGmAsync(Guid groupId, long ownerTelegramId, long coGmTelegramId, string displayName, string? telegramUsername);
    Task RemoveGroupCoGmAsync(Guid groupId, long coGmTelegramId);
 }
@@ -63,6 +63,7 @@ internal sealed record WebBatchSessionRow(
    long TelegramChatId,
    int? ThreadId,
    string NotificationMode);
+internal sealed record WebTemplateGroupDto(long TelegramChatId);

 public sealed class SessionService(
    NpgsqlDataSource dataSource,
@@ -753,6 +754,213 @@ public sealed class SessionService(
            sourceSessions[0].NotificationMode);
    }

+    public async Task<List<WebCampaignTemplate>> GetCampaignTemplatesAsync(Guid groupId)
+    {
+        await using var conn = await dataSource.OpenConnectionAsync();
+        return (await conn.QueryAsync<WebCampaignTemplate>(
+            """
+            SELECT id AS Id,
+                   group_id AS GroupId,
+                   name AS Name,
+                   title AS Title,
+                   join_link AS JoinLink,
+                   session_count AS SessionCount,
+                   interval_days AS IntervalDays,
+                   max_players AS MaxPlayers,
+                   notification_mode AS NotificationMode,
+                   created_at AS CreatedAt,
+                   updated_at AS UpdatedAt
+            FROM campaign_templates
+            WHERE group_id = @GroupId
+            ORDER BY created_at DESC, name
+            """,
+            new { GroupId = groupId })).ToList();
+    }
+
+    public async Task<WebCampaignTemplate?> GetCampaignTemplateAsync(Guid templateId)
+    {
+        await using var conn = await dataSource.OpenConnectionAsync();
+        return await conn.QuerySingleOrDefaultAsync<WebCampaignTemplate>(
+            """
+            SELECT id AS Id,
+                   group_id AS GroupId,
+                   name AS Name,
+                   title AS Title,
+                   join_link AS JoinLink,
+                   session_count AS SessionCount,
+                   interval_days AS IntervalDays,
+                   max_players AS MaxPlayers,
+                   notification_mode AS NotificationMode,
+                   created_at AS CreatedAt,
+                   updated_at AS UpdatedAt
+            FROM campaign_templates
+            WHERE id = @TemplateId
+            """,
+            new { TemplateId = templateId });
+    }
+
+    public async Task<WebCampaignTemplate> CreateCampaignTemplateAsync(Guid groupId, CreateCampaignTemplateRequest request)
+    {
+        await using var conn = await dataSource.OpenConnectionAsync();
+        return await conn.QuerySingleAsync<WebCampaignTemplate>(
+            """
+            INSERT INTO campaign_templates (
+                group_id,
+                name,
+                title,
+                join_link,
+                session_count,
+                interval_days,
+                max_players,
+                notification_mode
+            )
+            VALUES (
+                @GroupId,
+                @Name,
+                @Title,
+                @JoinLink,
+                @SessionCount,
+                @IntervalDays,
+                @MaxPlayers,
+                @NotificationMode
+            )
+            ON CONFLICT (group_id, name) DO UPDATE
+            SET title = EXCLUDED.title,
+                join_link = EXCLUDED.join_link,
+                session_count = EXCLUDED.session_count,
+                interval_days = EXCLUDED.interval_days,
+                max_players = EXCLUDED.max_players,
+                notification_mode = EXCLUDED.notification_mode,
+                updated_at = now()
+            RETURNING id AS Id,
+                      group_id AS GroupId,
+                      name AS Name,
+                      title AS Title,
+                      join_link AS JoinLink,
+                      session_count AS SessionCount,
+                      interval_days AS IntervalDays,
+                      max_players AS MaxPlayers,
+                      notification_mode AS NotificationMode,
+                      created_at AS CreatedAt,
+                      updated_at AS UpdatedAt
+            """,
+            new
+            {
+                GroupId = groupId,
+                request.Name,
+                request.Title,
+                request.JoinLink,
+                request.SessionCount,
+                request.IntervalDays,
+                request.MaxPlayers,
+                NotificationMode = request.NotificationMode.ToDatabaseValue()
+            });
+    }
+
+    public async Task DeleteCampaignTemplateAsync(Guid templateId, Guid groupId)
+    {
+        await using var conn = await dataSource.OpenConnectionAsync();
+        await conn.ExecuteAsync(
+            "DELETE FROM campaign_templates WHERE id = @TemplateId AND group_id = @GroupId",
+            new { TemplateId = templateId, GroupId = groupId });
+    }
+
+    public async Task<WebSessionBatch> CreateBatchFromTemplateAsync(Guid templateId, Guid groupId, DateTime firstScheduledAt)
+    {
+        await using var conn = await dataSource.OpenConnectionAsync();
+        await using var transaction = await conn.BeginTransactionAsync();
+
+        var template = await conn.QuerySingleOrDefaultAsync<WebCampaignTemplate>(
+            """
+            SELECT id AS Id,
+                   group_id AS GroupId,
+                   name AS Name,
+                   title AS Title,
+                   join_link AS JoinLink,
+                   session_count AS SessionCount,
+                   interval_days AS IntervalDays,
+                   max_players AS MaxPlayers,
+                   notification_mode AS NotificationMode,
+                   created_at AS CreatedAt,
+                   updated_at AS UpdatedAt
+            FROM campaign_templates
+            WHERE id = @TemplateId
+              AND group_id = @GroupId
+            FOR UPDATE
+            """,
+            new { TemplateId = templateId, GroupId = groupId },
+            transaction);
+
+        if (template is null)
+        {
+            throw new SessionAccessDeniedException(templateId, 0);
+        }
+
+        var group = await conn.QuerySingleOrDefaultAsync<WebTemplateGroupDto>(
+            "SELECT telegram_chat_id AS TelegramChatId FROM game_groups WHERE id = @GroupId",
+            new { GroupId = groupId },
+            transaction);
+
+        if (group is null)
+        {
+            throw new SessionAccessDeniedException(groupId, 0);
+        }
+
+        var schedule = BatchSchedulePlanner.BuildRecurringSchedule(
+            firstScheduledAt,
+            template.SessionCount,
+            template.IntervalDays);
+        var batchId = Guid.NewGuid();
+        var renderedSessions = new List<SessionBatchDto>();
+
+        foreach (var scheduledAt in schedule)
+        {
+            var sessionId = await conn.ExecuteScalarAsync<Guid>(
+                """
+                INSERT INTO sessions (batch_id, group_id, title, join_link, scheduled_at, status, max_players, notification_mode)
+                VALUES (@BatchId, @GroupId, @Title, @JoinLink, @ScheduledAt, @Status, @MaxPlayers, @NotificationMode)
+                RETURNING id
+                """,
+                new
+                {
+                    BatchId = batchId,
+                    GroupId = groupId,
+                    template.Title,
+                    template.JoinLink,
+                    ScheduledAt = scheduledAt,
+                    Status = SessionStatus.Planned,
+                    template.MaxPlayers,
+                    template.NotificationMode
+                },
+                transaction);
+
+            renderedSessions.Add(new SessionBatchDto(sessionId, scheduledAt, SessionStatus.Planned, template.MaxPlayers));
+        }
+
+        await transaction.CommitAsync();
+
+        var renderResult = SessionBatchRenderer.Render(template.Title, renderedSessions, Array.Empty<ParticipantBatchDto>());
+        var batchMessage = await bot.SendMessage(
+            chatId: group.TelegramChatId,
+            text: renderResult.Text,
+            parseMode: Telegram.Bot.Types.Enums.ParseMode.Html,
+            replyMarkup: renderResult.Markup);
+
+        await conn.ExecuteAsync(
+            "UPDATE sessions SET batch_message_id = @MessageId WHERE batch_id = @BatchId",
+            new { MessageId = batchMessage.MessageId, BatchId = batchId });
+
+        return new WebSessionBatch(
+            batchId,
+            groupId,
+            template.Title,
+            template.JoinLink,
+            renderedSessions.Min(session => session.ScheduledAt),
+            renderedSessions.Max(session => session.ScheduledAt),
+            renderedSessions.Count,
+            template.NotificationMode);
+    }
+
    private async Task<List<WebDirectNotificationRecipient>> LoadSessionDirectRecipientsAsync(
        Npgsql.NpgsqlConnection conn,
        Guid sessionId)
@@ -1,5 +1,5 @@
 /* ============================================
-   GM-Relay Design System v1.7.0
+   GM-Relay Design System v1.8.0
   Dark RPG Dashboard Theme
   ============================================ */

@@ -618,6 +618,55 @@ select option {
    white-space: nowrap;
 }

+/* === Campaign templates === */
+.campaign-template-panel {
+    margin-bottom: 1.5rem;
+}
+
+.campaign-template-fields {
+    display: grid;
+    grid-template-columns: repeat(3, minmax(0, 1fr));
+    gap: 0.75rem;
+}
+
+.campaign-template-list {
+    margin-top: 1rem;
+    border-top: 1px solid var(--border-color);
+}
+
+.campaign-template-row {
+    display: grid;
+    grid-template-columns: minmax(0, 1fr) minmax(360px, auto);
+    gap: 1rem;
+    align-items: center;
+    padding: 1rem 0;
+    border-bottom: 1px solid var(--border-color);
+}
+
+.campaign-template-row:last-child {
+    border-bottom: none;
+    padding-bottom: 0;
+}
+
+.campaign-template-info h3 {
+    font-size: 0.9375rem;
+    margin-bottom: 0.25rem;
+    overflow-wrap: anywhere;
+}
+
+.campaign-template-info p {
+    margin: 0;
+    color: var(--text-muted);
+    font-size: 0.8125rem;
+}
+
+.campaign-template-actions {
+    display: grid;
+    grid-template-columns: minmax(190px, 1fr) auto auto;
+    gap: 0.75rem;
+    align-items: center;
+}
+
 /* === Animations === */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
@@ -838,11 +887,15 @@ select option {
    }

    .batch-bulk-fields,
-    .batch-clone-row {
+    .batch-clone-row,
+    .campaign-template-fields,
+    .campaign-template-row,
+    .campaign-template-actions {
        grid-template-columns: 1fr;
    }

-    .batch-clone-row .btn-gm {
+    .batch-clone-row .btn-gm,
+    .campaign-template-actions .btn-gm {
        justify-content: center;
        width: 100%;
    }