chore: refresh gramsrv public release
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A
parent
75cebe8dbf
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70b6820474
1274 changed files with 378751 additions and 59919 deletions
408
internal/rpc/channels_messages.go
Normal file
408
internal/rpc/channels_messages.go
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@ -0,0 +1,408 @@
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package rpc
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import (
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"context"
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"errors"
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"github.com/gotd/td/tg"
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"sort"
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"strconv"
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"strings"
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"telesrv/internal/domain"
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"unicode/utf8"
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)
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func (r *Router) onChannelsExportMessageLink(ctx context.Context, req *tg.ChannelsExportMessageLinkRequest) (*tg.ExportedMessageLink, error) {
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if req.ID <= 0 || req.ID > domain.MaxMessageBoxID {
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return nil, messageIDInvalidErr()
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}
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userID, view, err := r.channelView(ctx, req.Channel)
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if err != nil {
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return nil, err
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}
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history, err := r.deps.Channels.GetMessages(ctx, userID, view.Channel.ID, []int{req.ID})
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if err != nil {
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return nil, channelInvalidErr(err)
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}
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if len(history.Messages) != 1 || history.Messages[0].ID != req.ID {
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return nil, messageIDInvalidErr()
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}
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link := ""
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if view.Channel.Username != "" {
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link = "https://telesrv.net/" + view.Channel.Username + "/" + strconv.Itoa(req.ID)
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} else {
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link = "https://telesrv.net/c/" + strconv.FormatInt(view.Channel.ID, 10) + "/" + strconv.Itoa(req.ID)
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}
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if req.Thread {
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if rootID := channelMessageThreadRootID(history.Messages[0]); rootID > 0 && rootID != req.ID {
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link += "?thread=" + strconv.Itoa(rootID)
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}
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}
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return &tg.ExportedMessageLink{Link: link, HTML: ""}, nil
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}
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func channelMessageThreadRootID(msg domain.ChannelMessage) int {
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if msg.ReplyTo == nil {
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return 0
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}
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if msg.ReplyTo.TopMessageID > 0 {
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return msg.ReplyTo.TopMessageID
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}
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return msg.ReplyTo.MessageID
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}
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func readChannelMessageContentIDs(messages []domain.ChannelMessage) []int {
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if len(messages) == 0 {
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return nil
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}
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ids := make([]int, 0, len(messages))
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seen := make(map[int]struct{}, len(messages))
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for _, msg := range messages {
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if msg.ID <= 0 {
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continue
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}
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if _, ok := seen[msg.ID]; ok {
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continue
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}
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seen[msg.ID] = struct{}{}
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ids = append(ids, msg.ID)
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}
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sort.Ints(ids)
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return ids
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}
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func (r *Router) onChannelsSearchPosts(ctx context.Context, req *tg.ChannelsSearchPostsRequest) (tg.MessagesMessagesClass, error) {
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return nil, internalErr()
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}
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if err := validateChannelSearchPostsRequest(req); err != nil {
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return nil, err
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}
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offsetChannelID, err := r.searchPostsOffsetChannelID(ctx, userID, req.OffsetPeer)
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if err != nil {
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return nil, err
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}
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if r.deps.Channels == nil {
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return &tg.MessagesMessages{Messages: []tg.MessageClass{}, Chats: []tg.ChatClass{}, Users: []tg.UserClass{}}, nil
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}
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hashtag, query := channelSearchPostsTerms(req)
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history, err := r.deps.Channels.SearchPosts(ctx, userID, domain.ChannelSearchPostsRequest{
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Hashtag: hashtag,
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Query: query,
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OffsetRate: req.OffsetRate,
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OffsetChannelID: offsetChannelID,
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OffsetID: req.OffsetID,
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Limit: req.Limit,
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})
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if err != nil {
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return nil, channelInvalidErr(err)
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}
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history = r.enrichChannelHistory(ctx, userID, history)
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return tgChannelSearchPostsMessages(userID, history), nil
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}
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func validateChannelSearchPostsRequest(req *tg.ChannelsSearchPostsRequest) error {
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if req == nil {
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return inputRequestInvalidErr()
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}
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if req.Limit < 0 || req.Limit > maxChannelSearchPostsLimit {
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return limitInvalidErr()
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}
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if req.OffsetRate < 0 {
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return limitInvalidErr()
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}
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if req.OffsetID < 0 || req.OffsetID > domain.MaxMessageBoxID {
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return messageIDInvalidErr()
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}
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if req.AllowPaidStars < 0 {
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return limitInvalidErr()
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}
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hashtag, hasHashtag, query, hasQuery := channelSearchPostsTermsWithFlags(req)
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if hasHashtag == hasQuery {
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return searchQueryEmptyErr()
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}
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if hasHashtag {
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if strings.TrimSpace(hashtag) == "" {
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return searchQueryEmptyErr()
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}
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if strings.Contains(hashtag, "#") || utf8.RuneCountInString(hashtag) > maxChannelSearchPostsQuery {
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return limitInvalidErr()
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}
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}
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if hasQuery {
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if strings.TrimSpace(query) == "" {
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return searchQueryEmptyErr()
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}
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if utf8.RuneCountInString(query) > maxChannelSearchPostsQuery {
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return limitInvalidErr()
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}
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}
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return nil
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}
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func channelSearchPostsTerms(req *tg.ChannelsSearchPostsRequest) (hashtag, query string) {
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hashtag, _, query, _ = channelSearchPostsTermsWithFlags(req)
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return strings.TrimSpace(hashtag), strings.TrimSpace(query)
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}
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func channelSearchPostsTermsWithFlags(req *tg.ChannelsSearchPostsRequest) (hashtag string, hasHashtag bool, query string, hasQuery bool) {
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hashtag, hasHashtag = req.GetHashtag()
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if !hasHashtag && req.Hashtag != "" {
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hashtag, hasHashtag = req.Hashtag, true
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}
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query, hasQuery = req.GetQuery()
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if !hasQuery && req.Query != "" {
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query, hasQuery = req.Query, true
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}
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return hashtag, hasHashtag, query, hasQuery
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}
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func (r *Router) searchPostsOffsetChannelID(ctx context.Context, userID int64, peer tg.InputPeerClass) (int64, error) {
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if peer == nil {
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return 0, nil
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}
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if _, ok := peer.(*tg.InputPeerEmpty); ok {
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return 0, nil
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}
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out, ok := r.domainPeerFromInputPeer(userID, peer)
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if !ok || out.ID == 0 {
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return 0, peerIDInvalidErr()
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}
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if out.Type != domain.PeerTypeChannel {
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return 0, peerIDInvalidErr()
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}
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ref, ok := inputPeerChannelRef(peer)
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if !ok || !ref.CheckAccessHash || r.deps.Channels == nil {
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return out.ID, nil
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}
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view, err := r.deps.Channels.GetChannel(ctx, userID, out.ID)
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if err == nil {
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if !inputChannelAccessHashMatches(ref, view.Channel) {
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return 0, channelInvalidErr(domain.ErrChannelPrivate)
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}
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return out.ID, nil
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}
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if !errors.Is(err, domain.ErrChannelPrivate) {
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return 0, channelInvalidErr(err)
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}
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channel, joinErr := r.deps.Channels.GetJoinableChannel(ctx, userID, ref.ID)
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if joinErr != nil || channel.Username == "" || !inputChannelAccessHashMatches(ref, channel) {
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return 0, channelInvalidErr(err)
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}
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return out.ID, nil
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}
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func tgChannelSearchPostsMessages(viewerUserID int64, history domain.ChannelHistory) tg.MessagesMessagesClass {
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messages := make([]tg.MessageClass, 0, len(history.Messages))
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for _, msg := range history.Messages {
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if item := tgChannelMessage(viewerUserID, msg); item != nil {
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messages = append(messages, item)
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}
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}
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chats := tgChannels(viewerUserID, history.Channels)
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users := tgUsersForViewer(viewerUserID, history.Users) // viewer 自己的帖子作者须带 self 标志
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if history.Count > len(messages) {
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out := &tg.MessagesMessagesSlice{
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Count: history.Count,
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Messages: messages,
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Topics: []tg.ForumTopicClass{},
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Chats: chats,
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Users: users,
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}
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if len(history.Messages) > 0 {
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out.SetNextRate(history.Messages[len(history.Messages)-1].Date)
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}
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out.SetSearchFlood(tg.SearchPostsFlood{QueryIsFree: true, TotalDaily: 100, Remains: 100, StarsAmount: 0})
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return out
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}
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return &tg.MessagesMessages{Messages: messages, Topics: []tg.ForumTopicClass{}, Chats: chats, Users: users}
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}
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func (r *Router) onChannelsCheckSearchPostsFlood(ctx context.Context, req *tg.ChannelsCheckSearchPostsFloodRequest) (*tg.SearchPostsFlood, error) {
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if _, _, err := r.currentUserID(ctx); err != nil {
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return nil, internalErr()
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}
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if err := validateChannelCheckSearchPostsFloodRequest(req); err != nil {
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return nil, err
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}
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return &tg.SearchPostsFlood{QueryIsFree: true, TotalDaily: 100, Remains: 100, StarsAmount: 0}, nil
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}
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func validateChannelCheckSearchPostsFloodRequest(req *tg.ChannelsCheckSearchPostsFloodRequest) error {
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if req == nil {
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return inputRequestInvalidErr()
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}
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query, hasQuery := req.GetQuery()
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if !hasQuery && req.Query != "" {
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query, hasQuery = req.Query, true
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}
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if !hasQuery || strings.TrimSpace(query) == "" {
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return searchQueryEmptyErr()
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}
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if utf8.RuneCountInString(query) > maxChannelSearchPostsQuery {
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return limitInvalidErr()
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}
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return nil
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}
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func (r *Router) onChannelsGetMessages(ctx context.Context, req *tg.ChannelsGetMessagesRequest) (tg.MessagesMessagesClass, error) {
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if len(req.ID) > domain.MaxGetMessageIDs {
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return nil, limitInvalidErr()
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}
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if r.deps.Channels == nil || len(req.ID) == 0 {
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return &tg.MessagesMessages{}, nil
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}
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return nil, internalErr()
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}
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channelID, err := r.channelIDFromInput(ctx, userID, req.Channel)
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if err != nil {
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return nil, err
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}
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ids := make([]int, 0, len(req.ID))
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for _, input := range req.ID {
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id, ok := inputMessageBoxID(input)
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if !ok || id <= 0 || id > domain.MaxMessageBoxID {
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continue
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}
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ids = append(ids, id)
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}
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if len(ids) == 0 {
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return &tg.MessagesMessages{}, nil
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}
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history, err := r.deps.Channels.GetMessages(ctx, userID, channelID, ids)
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if err != nil {
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return nil, channelInvalidErr(err)
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}
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history = r.enrichChannelHistory(ctx, userID, history)
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byID := make(map[int]domain.ChannelMessage, len(history.Messages))
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for _, msg := range history.Messages {
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byID[msg.ID] = msg
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}
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messages := make([]tg.MessageClass, 0, len(ids))
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for _, id := range ids {
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if msg, ok := byID[id]; ok {
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messages = append(messages, tgChannelMessage(userID, msg))
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} else {
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messages = append(messages, &tg.MessageEmpty{ID: id})
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}
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}
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return &tg.MessagesMessages{
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Messages: messages,
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Chats: tgChannels(userID, []domain.Channel{history.Channel}),
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Users: r.tgUsersForViewer(userID, history.Users), // viewer 补拉自己的消息（含置顶）须带 self
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}, nil
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}
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func (r *Router) onChannelsDeleteMessages(ctx context.Context, req *tg.ChannelsDeleteMessagesRequest) (*tg.MessagesAffectedMessages, error) {
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if len(req.ID) == 0 {
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return &tg.MessagesAffectedMessages{PtsCount: 0}, nil
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}
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if len(req.ID) > domain.MaxDeleteMessageIDs {
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return nil, limitInvalidErr()
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}
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for _, id := range req.ID {
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if id <= 0 || id > domain.MaxMessageBoxID {
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return nil, messageIDInvalidErr()
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}
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}
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if r.deps.Channels == nil {
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return nil, notImplementedErr()
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}
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return nil, internalErr()
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}
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channelID, err := r.channelIDFromInput(ctx, userID, req.Channel)
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if err != nil {
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return nil, err
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}
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res, err := r.deps.Channels.DeleteMessages(ctx, userID, domain.DeleteChannelMessagesRequest{
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UserID: userID,
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ChannelID: channelID,
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IDs: append([]int(nil), req.ID...),
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Date: int(r.clock.Now().Unix()),
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})
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if err != nil {
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return nil, channelDeleteErr(err)
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}
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if res.Event.Pts != 0 {
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// 删除 fan-out 异步化（设计 Phase 0）。channelDeleteMessagesUpdates 是纯 CPU 构建
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// （不碰 PG、不取 ctx），async 无竞态；同 channel 串行保 pts 单调。
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r.enqueueChannelFanout(ctx, channelFanoutMembers, userID, res.Channel.ID, res.Event.Pts, res.Recipients, func(_ context.Context, viewerUserID int64) *tg.Updates {
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return r.channelDeleteMessagesUpdates(viewerUserID, res.Channel, res.Event)
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})
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// 被删 broadcast post 的讨论组转发根级联删除同样要让讨论组成员收敛。
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for _, cascade := range res.DiscussionDeletes {
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cascade := cascade
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r.enqueueChannelFanout(ctx, channelFanoutMembers, userID, cascade.Channel.ID, cascade.Event.Pts, cascade.Recipients, func(_ context.Context, viewerUserID int64) *tg.Updates {
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return r.channelDeleteMessagesUpdates(viewerUserID, cascade.Channel, cascade.Event)
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})
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}
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return &tg.MessagesAffectedMessages{Pts: res.Event.Pts, PtsCount: res.Event.PtsCount}, nil
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}
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return &tg.MessagesAffectedMessages{Pts: res.Channel.Pts, PtsCount: 0}, nil
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}
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func (r *Router) onChannelsDeleteHistory(ctx context.Context, req *tg.ChannelsDeleteHistoryRequest) (tg.UpdatesClass, error) {
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if r.deps.Channels == nil {
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return &tg.Updates{Date: int(r.clock.Now().Unix())}, nil
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}
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userID, _, err := r.currentUserID(ctx)
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if err != nil {
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return nil, internalErr()
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}
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channelID, err := r.channelIDFromInput(ctx, userID, req.Channel)
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if err != nil {
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return nil, err
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}
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if req.MaxID < 0 || req.MaxID > domain.MaxMessageBoxID {
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return nil, messageIDInvalidErr()
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}
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res, err := r.deps.Channels.DeleteHistory(ctx, userID, domain.DeleteChannelHistoryRequest{
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UserID: userID,
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ChannelID: channelID,
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MaxID: req.MaxID,
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ForEveryone: req.GetForEveryone(),
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Date: int(r.clock.Now().Unix()),
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})
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if err != nil {
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return nil, channelDeleteErr(err)
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}
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if res.Event.Pts == 0 {
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event := r.recordChannelAvailableMessages(ctx, userID, res.Channel.ID, res.AvailableMinID)
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updates := r.channelAvailableMessagesUpdates(userID, res.Channel, event.MaxID)
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updates.Updates = appendAuxPtsBookkeeping(updates.Updates, event)
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r.pushUserUpdates(ctx, userID, updates)
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return updates, nil
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}
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pushBatch := func(batch domain.DeleteChannelHistoryResult) *tg.Updates {
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out := r.channelDeleteMessagesUpdates(userID, batch.Channel, batch.Event)
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// 每批 fan-out 异步化；批次按 pts 递增顺序入同一 channel 分片 → FIFO 保单调。
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r.enqueueChannelFanout(ctx, channelFanoutMembers, userID, batch.Channel.ID, batch.Event.Pts, batch.Recipients, func(_ context.Context, viewerUserID int64) *tg.Updates {
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return r.channelDeleteMessagesUpdates(viewerUserID, batch.Channel, batch.Event)
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})
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return out
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}
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updates := pushBatch(res)
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// channels.deleteHistory 返回 Updates，TL 层没有 affectedHistory.offset
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// 续删协议，客户端只发一次请求；超过单批上限的剩余历史必须由服务端
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// 在本次请求内删完，否则"清空"后旧消息会残留。每批独立事务推进 pts
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// 并立即推送，中途失败时已删批次保持有效，返回最后成功批次的结果。
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for res.Offset != 0 && ctx.Err() == nil {
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next, err := r.deps.Channels.DeleteHistory(ctx, userID, domain.DeleteChannelHistoryRequest{
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UserID: userID,
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ChannelID: channelID,
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MaxID: req.MaxID,
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ForEveryone: req.GetForEveryone(),
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Date: int(r.clock.Now().Unix()),
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})
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if err != nil || next.Event.Pts == 0 {
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break
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}
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res = next
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updates = pushBatch(res)
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}
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return updates, nil
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}
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