sevenhill
695 lines
26 KiB
C#
695 lines
26 KiB
C#
using Microsoft.AspNetCore.SignalR;
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using Microsoft.EntityFrameworkCore;
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using QMax.Api.Data;
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using QMax.Api.Data.Entities;
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using QMax.Api.Infrastructure.Hubs;
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using QMax.Api.Infrastructure.Max;
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using QMax.Api.Infrastructure.Storage;
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using System.Text;
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namespace QMax.Api.Services;
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public sealed class MaxBridgeSyncService(
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IServiceScopeFactory scopeFactory,
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IMaxBridgeClient maxBridgeClient,
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IHubContext<QMaxHub> hubContext,
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ILogger<MaxBridgeSyncService> logger)
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{
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public async Task<int> SyncOnceAsync(CancellationToken cancellationToken)
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{
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try
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{
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var updates = await maxBridgeClient.FetchUpdatesAsync(cancellationToken);
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return await ApplyUpdatesAsync(updates, incrementUnread: true, sendPushNotifications: true, cancellationToken);
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}
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catch (Exception ex)
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{
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logger.LogWarning(ex, "MAX sync failed.");
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return 0;
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}
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}
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public async Task<int> SyncChatHistoryAsync(string externalChatId, CancellationToken cancellationToken)
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{
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if (string.IsNullOrWhiteSpace(externalChatId))
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{
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return 0;
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}
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try
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{
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var update = await maxBridgeClient.FetchChatHistoryAsync(externalChatId, cancellationToken);
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return update is null
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? 0
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: await ApplyUpdatesAsync([update], incrementUnread: false, sendPushNotifications: false, cancellationToken);
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}
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catch (Exception ex)
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{
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logger.LogWarning(ex, "MAX chat history sync failed for {ExternalChatId}.", externalChatId);
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return 0;
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}
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}
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private async Task<int> ApplyUpdatesAsync(
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IReadOnlyList<MaxChatUpdate> updates,
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bool incrementUnread,
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bool sendPushNotifications,
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CancellationToken cancellationToken)
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{
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if (updates.Count == 0)
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{
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return 0;
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}
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await using var scope = scopeFactory.CreateAsyncScope();
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var db = scope.ServiceProvider.GetRequiredService<QMaxDbContext>();
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var projection = scope.ServiceProvider.GetRequiredService<ChatProjectionService>();
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var pushNotifications = scope.ServiceProvider.GetRequiredService<IPushNotificationService>();
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var storage = scope.ServiceProvider.GetRequiredService<IAttachmentStorageService>();
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var changed = 0;
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var createdMessages = new List<(Chat Chat, Message Message)>();
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var updatedMessages = new List<(Chat Chat, Message Message)>();
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var previewPushNotifications = new List<(Chat Chat, Message Message)>();
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foreach (var update in updates)
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{
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var chat = await db.Chats
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.FirstOrDefaultAsync(x => x.ExternalId == update.ExternalId, cancellationToken);
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if (chat is null && update.ExternalId.StartsWith("dom:", StringComparison.OrdinalIgnoreCase))
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{
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chat = await db.Chats
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.FirstOrDefaultAsync(
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x => x.Title == update.Title &&
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x.ExternalId != null &&
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x.ExternalId.StartsWith("dom:"),
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cancellationToken);
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}
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var chatWasCreated = chat is null;
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if (chat is null)
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{
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chat = new Chat
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{
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ExternalId = update.ExternalId,
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Title = update.Title,
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AvatarUrl = update.AvatarUrl,
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Kind = ChatKind.MaxDialog
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};
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db.Chats.Add(chat);
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changed++;
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}
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var nextAvatarUrl = string.IsNullOrWhiteSpace(update.AvatarUrl)
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? chat.AvatarUrl
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: update.AvatarUrl;
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var metadataChanged = false;
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if (!string.Equals(chat.ExternalId, update.ExternalId, StringComparison.Ordinal))
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{
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chat.ExternalId = update.ExternalId;
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metadataChanged = true;
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}
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if (!string.Equals(chat.Title, update.Title, StringComparison.Ordinal))
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{
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chat.Title = update.Title;
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metadataChanged = true;
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}
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if (!string.Equals(chat.AvatarUrl, nextAvatarUrl, StringComparison.Ordinal))
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{
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chat.AvatarUrl = nextAvatarUrl;
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metadataChanged = true;
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}
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if (metadataChanged)
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{
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chat.UpdatedAt = DateTimeOffset.UtcNow;
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changed++;
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}
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if (ApplyListPreview(
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update,
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chat,
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chatWasCreated,
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incrementUnread,
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sendPushNotifications,
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previewPushNotifications))
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{
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changed++;
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}
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foreach (var incoming in update.Messages)
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{
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if (IsPreviewOnlyMessage(incoming.ExternalId))
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{
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continue;
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}
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if (IsPresencePreview(incoming.Text) && (incoming.Attachments?.Count ?? 0) == 0)
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{
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continue;
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}
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var existing = await db.Messages
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.Include(x => x.Attachments)
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.FirstOrDefaultAsync(x => x.ExternalId == incoming.ExternalId, cancellationToken);
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if (existing is not null)
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{
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var merge = await MergeExistingMessageAsync(
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db,
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existing,
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incoming,
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maxBridgeClient,
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storage,
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cancellationToken);
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if (merge.Changed)
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{
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updatedMessages.Add((chat, existing));
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if (chat.LastMessageAt is null || existing.SentAt >= chat.LastMessageAt)
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{
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chat.LastMessagePreview = LastMessagePreview(existing.Text, existing.Attachments.Concat(merge.AddedAttachments));
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chat.LastMessageAt = existing.SentAt;
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}
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changed++;
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}
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continue;
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}
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var message = new Message
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{
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Chat = chat,
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ExternalId = incoming.ExternalId,
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SenderExternalId = incoming.SenderExternalId,
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SenderName = incoming.SenderName,
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Direction = incoming.IsOutgoing ? MessageDirection.Outgoing : MessageDirection.Incoming,
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Text = MessageTextSanitizer.CleanMessageText(
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incoming.Text,
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incoming.Attachments?.Count > 0),
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SentAt = incoming.SentAt,
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DeliveryState = ResolveDeliveryState(incoming)
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};
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foreach (var incomingAttachment in incoming.Attachments ?? [])
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{
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var attachment = await CreateAttachmentAsync(incomingAttachment, maxBridgeClient, storage, cancellationToken);
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message.Attachments.Add(attachment);
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}
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db.Messages.Add(message);
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createdMessages.Add((chat, message));
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chat.LastMessagePreview = LastMessagePreview(incoming.Text, message.Attachments);
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chat.LastMessageAt = incoming.SentAt;
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if (incrementUnread && !incoming.IsOutgoing)
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{
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chat.UnreadCount++;
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}
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changed++;
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}
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}
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if (changed > 0)
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{
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await db.SaveChangesAsync(cancellationToken);
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foreach (var (chat, message) in createdMessages)
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{
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var dto = projection.ToDto(message);
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await hubContext.Clients.Group($"chat:{chat.Id}").SendAsync("MessageCreated", dto, cancellationToken);
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if (sendPushNotifications && message.Direction == MessageDirection.Incoming)
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{
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await pushNotifications.SendNewMessageAsync(chat, message, cancellationToken);
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}
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}
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foreach (var (chat, message) in previewPushNotifications)
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{
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await pushNotifications.SendNewMessageAsync(chat, message, cancellationToken);
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}
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foreach (var (chat, message) in updatedMessages)
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{
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var updated = await db.Messages
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.Include(x => x.Attachments)
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.Include(x => x.Reactions)
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.FirstOrDefaultAsync(x => x.Id == message.Id, cancellationToken);
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if (updated is not null)
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{
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var dto = projection.ToDto(updated);
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await hubContext.Clients.Group($"chat:{chat.Id}").SendAsync("MessageUpdated", dto, cancellationToken);
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}
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}
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await hubContext.Clients.All.SendAsync("ChatListInvalidated", cancellationToken);
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}
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return changed;
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}
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private static bool ApplyListPreview(
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MaxChatUpdate update,
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Chat chat,
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bool chatWasCreated,
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bool incrementUnread,
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bool sendPushNotifications,
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ICollection<(Chat Chat, Message Message)> previewPushNotifications)
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{
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var preview = MessageTextSanitizer.CleanChatPreview(update.LastMessagePreview);
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if (string.IsNullOrWhiteSpace(preview))
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{
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return false;
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}
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if (IsPresencePreview(preview))
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{
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return false;
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}
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var previousPreview = chat.LastMessagePreview;
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var previousPreviewAt = chat.LastMessageAt;
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var previewAt = ResolveListPreviewAt(update);
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var samePreview = string.Equals(previousPreview, preview, StringComparison.Ordinal);
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var samePreviewAt = previousPreviewAt is not null &&
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Math.Abs((previousPreviewAt.Value - previewAt).TotalSeconds) < 1;
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if (samePreview && samePreviewAt)
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{
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return false;
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}
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chat.LastMessagePreview = preview;
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chat.LastMessageAt = previewAt;
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chat.UpdatedAt = DateTimeOffset.UtcNow;
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var shouldNotify = !chatWasCreated &&
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!string.IsNullOrWhiteSpace(previousPreview) &&
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update.LastMessageIsOutgoing != true &&
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update.Messages.Count == 0 &&
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IsFreshListPreview(update, previewAt);
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if (incrementUnread && shouldNotify)
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{
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chat.UnreadCount++;
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}
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if (sendPushNotifications && shouldNotify)
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{
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previewPushNotifications.Add((
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chat,
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new Message
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{
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Id = Guid.NewGuid(),
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ChatId = chat.Id,
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Chat = chat,
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Direction = MessageDirection.Incoming,
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Text = preview,
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SentAt = previewAt,
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DeliveryState = MessageDeliveryState.Delivered,
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SenderExternalId = chat.ExternalId,
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SenderName = chat.Title
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}));
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}
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return true;
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}
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private static DateTimeOffset ResolveListPreviewAt(MaxChatUpdate update)
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{
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return TryParseMoscowListTime(update.LastMessageTimeText, out var parsed)
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? parsed
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: update.LastMessageAt ?? update.UpdatedAt;
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}
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private static bool IsFreshListPreview(MaxChatUpdate update, DateTimeOffset previewAt)
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{
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if (string.IsNullOrWhiteSpace(update.LastMessageTimeText))
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{
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return false;
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}
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var now = DateTimeOffset.UtcNow;
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return previewAt >= now.AddMinutes(-15) && previewAt <= now.AddMinutes(10);
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}
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private static bool TryParseMoscowListTime(string? value, out DateTimeOffset parsed)
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{
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parsed = default;
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var text = value?.Trim().ToLowerInvariant();
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if (string.IsNullOrWhiteSpace(text))
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{
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return false;
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}
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var match = System.Text.RegularExpressions.Regex.Match(text, @"\b(?<hour>\d{1,2}):(?<minute>\d{2})\b");
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if (!match.Success)
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{
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return false;
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}
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if (!int.TryParse(match.Groups["hour"].Value, out var hour) ||
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!int.TryParse(match.Groups["minute"].Value, out var minute) ||
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hour is < 0 or > 23 ||
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minute is < 0 or > 59)
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{
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return false;
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}
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var zone = GetMoscowTimeZone();
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var nowMoscow = TimeZoneInfo.ConvertTime(DateTimeOffset.UtcNow, zone);
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var local = new DateTime(nowMoscow.Year, nowMoscow.Month, nowMoscow.Day, hour, minute, 0, DateTimeKind.Unspecified);
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parsed = new DateTimeOffset(local, zone.GetUtcOffset(local));
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if (parsed > DateTimeOffset.UtcNow.AddMinutes(10))
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{
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parsed = parsed.AddDays(-1);
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}
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return true;
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}
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private static TimeZoneInfo GetMoscowTimeZone()
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{
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try
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{
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return TimeZoneInfo.FindSystemTimeZoneById("Europe/Moscow");
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}
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catch (TimeZoneNotFoundException)
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{
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return TimeZoneInfo.FindSystemTimeZoneById("Russian Standard Time");
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}
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}
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private static bool IsPreviewOnlyMessage(string? externalId)
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{
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return externalId?.StartsWith("dommsg:", StringComparison.OrdinalIgnoreCase) == true;
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}
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private static bool IsPresencePreview(string? value)
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{
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var text = value?.Trim().ToLowerInvariant();
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if (string.IsNullOrWhiteSpace(text) || text.Length > 120)
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{
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return false;
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}
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text = text
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.Replace("...", "")
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.Replace("\u2026", "")
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.Trim();
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if (text.Contains("\u043f\u0435\u0447\u0430\u0442", StringComparison.Ordinal) ||
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text.Contains("\u043d\u0430\u0431\u0438\u0440\u0430", StringComparison.Ordinal) ||
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text.Contains("typing", StringComparison.Ordinal))
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{
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return true;
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}
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var hasProcessVerb =
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text.Contains("\u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u0442", StringComparison.Ordinal) ||
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text.Contains("\u0432\u044b\u0431\u0438\u0440\u0430\u0435\u0442", StringComparison.Ordinal) ||
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text.Contains("\u0437\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u0442", StringComparison.Ordinal) ||
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text.Contains("\u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u044f\u0435\u0442", StringComparison.Ordinal) ||
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text.Contains("\u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u0442", StringComparison.Ordinal) ||
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text.Contains("is sending", StringComparison.Ordinal) ||
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text.Contains("sending", StringComparison.Ordinal) ||
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text.Contains("choosing", StringComparison.Ordinal) ||
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text.Contains("uploading", StringComparison.Ordinal) ||
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text.Contains("recording", StringComparison.Ordinal);
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if (!hasProcessVerb)
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{
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return false;
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}
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return text.Contains("\u0444\u043e\u0442\u043e", StringComparison.Ordinal) ||
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text.Contains("\u0438\u0437\u043e\u0431\u0440\u0430\u0436", StringComparison.Ordinal) ||
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text.Contains("\u043a\u0430\u0440\u0442\u0438\u043d", StringComparison.Ordinal) ||
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text.Contains("\u0432\u0438\u0434\u0435\u043e", StringComparison.Ordinal) ||
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text.Contains("\u0441\u0442\u0438\u043a\u0435\u0440", StringComparison.Ordinal) ||
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text.Contains("\u044d\u043c\u043e\u0434\u0437\u0438", StringComparison.Ordinal) ||
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text.Contains("\u0433\u043e\u043b\u043e\u0441", StringComparison.Ordinal) ||
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text.Contains("\u0430\u0443\u0434\u0438\u043e", StringComparison.Ordinal) ||
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text.Contains("\u0444\u0430\u0439\u043b", StringComparison.Ordinal) ||
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text.Contains("photo", StringComparison.Ordinal) ||
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text.Contains("image", StringComparison.Ordinal) ||
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text.Contains("video", StringComparison.Ordinal) ||
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text.Contains("sticker", StringComparison.Ordinal) ||
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text.Contains("emoji", StringComparison.Ordinal) ||
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text.Contains("voice", StringComparison.Ordinal) ||
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text.Contains("audio", StringComparison.Ordinal) ||
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text.Contains("file", StringComparison.Ordinal);
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}
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private sealed record MessageMergeResult(bool Changed, IReadOnlyList<MessageAttachment> AddedAttachments);
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private static async Task<MessageMergeResult> MergeExistingMessageAsync(
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QMaxDbContext db,
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Message message,
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MaxMessageUpdate incoming,
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IMaxBridgeClient maxBridgeClient,
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IAttachmentStorageService storage,
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CancellationToken cancellationToken)
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{
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var changed = false;
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var metadataChanged = false;
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var addedAttachments = new List<MessageAttachment>();
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var knownAttachments = message.Attachments.ToList();
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var incomingAttachments = incoming.Attachments ?? [];
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var cleanText = MessageTextSanitizer.CleanMessageText(
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incoming.Text,
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incomingAttachments.Count > 0 || message.Attachments.Count > 0);
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if (!string.Equals(message.Text, cleanText, StringComparison.Ordinal))
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{
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message.Text = cleanText;
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changed = true;
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metadataChanged = true;
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}
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var senderName = string.IsNullOrWhiteSpace(incoming.SenderName) ? null : incoming.SenderName;
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if (!string.Equals(message.SenderName, senderName, StringComparison.Ordinal))
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{
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message.SenderName = senderName;
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changed = true;
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metadataChanged = true;
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}
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if (!string.Equals(message.SenderExternalId, incoming.SenderExternalId, StringComparison.Ordinal))
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{
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message.SenderExternalId = incoming.SenderExternalId;
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changed = true;
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metadataChanged = true;
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}
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var direction = incoming.IsOutgoing ? MessageDirection.Outgoing : MessageDirection.Incoming;
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if (message.Direction != direction)
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{
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message.Direction = direction;
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changed = true;
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metadataChanged = true;
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}
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if (message.SentAt != incoming.SentAt)
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{
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message.SentAt = incoming.SentAt;
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changed = true;
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metadataChanged = true;
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}
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var deliveryState = ResolveDeliveryState(incoming);
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if (message.DeliveryState != deliveryState)
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{
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message.DeliveryState = deliveryState;
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changed = true;
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metadataChanged = true;
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}
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if (metadataChanged)
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{
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await db.Messages
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.Where(x => x.Id == message.Id)
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.ExecuteUpdateAsync(setters => setters
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.SetProperty(x => x.Text, cleanText)
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.SetProperty(x => x.SenderName, senderName)
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.SetProperty(x => x.SenderExternalId, incoming.SenderExternalId)
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.SetProperty(x => x.Direction, direction)
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.SetProperty(x => x.SentAt, incoming.SentAt)
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.SetProperty(x => x.DeliveryState, deliveryState),
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cancellationToken);
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db.Entry(message).State = EntityState.Unchanged;
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}
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foreach (var incomingAttachment in incomingAttachments)
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{
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if (HasAttachment(knownAttachments, incomingAttachment))
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{
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continue;
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}
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|
var attachment = await CreateAttachmentAsync(incomingAttachment, maxBridgeClient, storage, cancellationToken);
|
|
attachment.MessageId = message.Id;
|
|
db.MessageAttachments.Add(attachment);
|
|
knownAttachments.Add(attachment);
|
|
addedAttachments.Add(attachment);
|
|
changed = true;
|
|
}
|
|
|
|
return new MessageMergeResult(changed, addedAttachments);
|
|
}
|
|
|
|
private static async Task<MessageAttachment> CreateAttachmentAsync(
|
|
MaxAttachmentUpdate incoming,
|
|
IMaxBridgeClient maxBridgeClient,
|
|
IAttachmentStorageService storage,
|
|
CancellationToken cancellationToken)
|
|
{
|
|
var kind = ResolveKind(incoming);
|
|
var remoteUrl = incoming.RemoteUrl;
|
|
if (!string.IsNullOrWhiteSpace(incoming.TextContent))
|
|
{
|
|
var contentType = string.IsNullOrWhiteSpace(incoming.ContentType)
|
|
? "text/vcard; charset=utf-8"
|
|
: incoming.ContentType;
|
|
var bytes = Encoding.UTF8.GetBytes(incoming.TextContent);
|
|
await using var stream = new MemoryStream(bytes);
|
|
var stored = await storage.SaveRemoteAsync(
|
|
incoming.FileName,
|
|
contentType,
|
|
stream,
|
|
bytes.Length,
|
|
kind,
|
|
cancellationToken);
|
|
|
|
return new MessageAttachment
|
|
{
|
|
ExternalId = incoming.ExternalId,
|
|
OriginalFileName = stored.OriginalFileName,
|
|
StorageFileName = stored.StorageFileName,
|
|
ContentType = stored.ContentType,
|
|
FileSizeBytes = stored.FileSizeBytes,
|
|
Sha256 = stored.Sha256,
|
|
Kind = stored.Kind,
|
|
SortOrder = incoming.SortOrder,
|
|
RemoteUrl = remoteUrl
|
|
};
|
|
}
|
|
|
|
if (!string.IsNullOrWhiteSpace(remoteUrl))
|
|
{
|
|
try
|
|
{
|
|
var download = await maxBridgeClient.DownloadMediaAsync(remoteUrl, cancellationToken);
|
|
if (download is not null)
|
|
{
|
|
await using (download.Stream)
|
|
{
|
|
var stored = await storage.SaveRemoteAsync(
|
|
incoming.FileName,
|
|
download.ContentType,
|
|
download.Stream,
|
|
download.ContentLength ?? incoming.FileSizeBytes,
|
|
kind,
|
|
cancellationToken);
|
|
|
|
return new MessageAttachment
|
|
{
|
|
ExternalId = incoming.ExternalId,
|
|
OriginalFileName = stored.OriginalFileName,
|
|
StorageFileName = stored.StorageFileName,
|
|
ContentType = stored.ContentType,
|
|
FileSizeBytes = stored.FileSizeBytes,
|
|
Sha256 = stored.Sha256,
|
|
Kind = stored.Kind,
|
|
SortOrder = incoming.SortOrder,
|
|
RemoteUrl = remoteUrl
|
|
};
|
|
}
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
// Keep the message visible even if a specific remote media item cannot be cached.
|
|
}
|
|
}
|
|
|
|
return new MessageAttachment
|
|
{
|
|
ExternalId = incoming.ExternalId,
|
|
OriginalFileName = AttachmentStorageService.NormalizeRemoteFileName(incoming.FileName, incoming.ContentType, kind),
|
|
StorageFileName = $"remote-{Guid.NewGuid():N}",
|
|
ContentType = string.IsNullOrWhiteSpace(incoming.ContentType) ? "application/octet-stream" : incoming.ContentType,
|
|
FileSizeBytes = incoming.FileSizeBytes ?? 0,
|
|
Kind = kind ?? AttachmentKind.File,
|
|
SortOrder = incoming.SortOrder,
|
|
RemoteUrl = remoteUrl
|
|
};
|
|
}
|
|
|
|
private static bool HasAttachment(IEnumerable<MessageAttachment> attachments, MaxAttachmentUpdate incoming)
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(incoming.ExternalId) &&
|
|
attachments.Any(x => string.Equals(x.ExternalId, incoming.ExternalId, StringComparison.Ordinal)))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
if (!string.IsNullOrWhiteSpace(incoming.RemoteUrl) &&
|
|
attachments.Any(x => string.Equals(x.RemoteUrl, incoming.RemoteUrl, StringComparison.Ordinal)))
|
|
{
|
|
return true;
|
|
}
|
|
|
|
var kind = ResolveKind(incoming) ?? AttachmentKind.File;
|
|
var normalizedFileName = AttachmentStorageService.NormalizeRemoteFileName(incoming.FileName, incoming.ContentType, kind);
|
|
return attachments.Any(x =>
|
|
x.SortOrder == incoming.SortOrder &&
|
|
x.Kind == kind &&
|
|
string.Equals(x.OriginalFileName, normalizedFileName, StringComparison.OrdinalIgnoreCase));
|
|
}
|
|
|
|
private static AttachmentKind? ResolveKind(MaxAttachmentUpdate attachment)
|
|
{
|
|
if (!string.IsNullOrWhiteSpace(attachment.Kind) &&
|
|
Enum.TryParse<AttachmentKind>(attachment.Kind, ignoreCase: true, out var parsed))
|
|
{
|
|
return parsed;
|
|
}
|
|
|
|
var extension = Path.GetExtension(attachment.FileName);
|
|
return AttachmentStorageService.GuessKind(attachment.ContentType, extension);
|
|
}
|
|
|
|
private static MessageDeliveryState ResolveDeliveryState(MaxMessageUpdate incoming)
|
|
{
|
|
if (!incoming.IsOutgoing)
|
|
{
|
|
return MessageDeliveryState.Delivered;
|
|
}
|
|
|
|
return Enum.TryParse<MessageDeliveryState>(incoming.DeliveryState, ignoreCase: true, out var parsed)
|
|
? parsed
|
|
: MessageDeliveryState.Sent;
|
|
}
|
|
|
|
private static string? LastMessagePreview(string? text, IEnumerable<MessageAttachment> attachments)
|
|
{
|
|
var orderedAttachments = attachments.OrderBy(x => x.SortOrder).ToArray();
|
|
if (!string.IsNullOrWhiteSpace(text) &&
|
|
(orderedAttachments.Length == 0 || !MessageTextSanitizer.IsGenericAttachmentLabel(text)))
|
|
{
|
|
return MessageTextSanitizer.CleanChatPreview(text);
|
|
}
|
|
|
|
var first = orderedAttachments.FirstOrDefault();
|
|
return first?.Kind switch
|
|
{
|
|
AttachmentKind.Image => "\u041c\u0435\u0434\u0438\u0430",
|
|
AttachmentKind.Gif => "\u041c\u0435\u0434\u0438\u0430",
|
|
AttachmentKind.Video => "\u041c\u0435\u0434\u0438\u0430",
|
|
AttachmentKind.VoiceNote => "\u0413\u043e\u043b\u043e\u0441\u043e\u0432\u043e\u0435 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0435",
|
|
AttachmentKind.Sticker => "\u041c\u0435\u0434\u0438\u0430",
|
|
AttachmentKind.Contact => "\u041a\u043e\u043d\u0442\u0430\u043a\u0442",
|
|
AttachmentKind.File => first.OriginalFileName,
|
|
_ => null
|
|
};
|
|
}
|
|
}
|