0c99ae0a9d
Sync telesrv bd15657 (feat(account): implement collectible emoji status). Skipped telesrv docs changes per public sync rules.
312 lines
11 KiB
Go
312 lines
11 KiB
Go
package rpc
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import (
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"context"
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"errors"
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"github.com/iamxvbaba/td/tg"
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"telesrv/internal/domain"
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)
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// resolveMonoforumForAdmin 解析 parent_peer 指向的 monoforum 虚拟频道,并校验当前用户是其母广播频道
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// 的管理员/创建者(频道私信只有频道管理员可读/回复)。monoforum 是私有零成员频道,管理员并非其成员,
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// 故走 store 的 membership-agnostic 解析,在母频道上做授权。
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// 返回 (monoforum频道, isMonoforum, err):parent 是有效频道但非 monoforum 时返回 (零, false, nil),
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// 由调用方回退良性空响应(兼容对普通频道传 parent_peer 的被动探测);是 monoforum 但非管理员→CHAT_ADMIN_REQUIRED。
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func (r *Router) resolveMonoforumForAdmin(ctx context.Context, userID int64, parent domain.Peer) (domain.Channel, bool, error) {
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if r.deps.Channels == nil {
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return domain.Channel{}, false, notImplementedErr()
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}
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if parent.Type != domain.PeerTypeChannel || parent.ID == 0 {
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return domain.Channel{}, false, parentPeerInvalidErr()
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}
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mono, isAdmin, err := r.deps.Channels.ResolveMonoforumSend(ctx, userID, parent.ID)
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if err != nil {
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if errors.Is(err, domain.ErrChannelInvalid) {
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// 非 monoforum 频道(或不存在):非错误,交由调用方回退良性空响应。
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return domain.Channel{}, false, nil
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}
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return domain.Channel{}, false, internalErr()
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}
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if !isAdmin {
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// 是 monoforum,但调用者不是母频道管理员:读私信列表/历史仅限管理员。
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return domain.Channel{}, false, tgerr400("CHAT_ADMIN_REQUIRED")
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}
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return mono, true, nil
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}
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// monoforumSavedDialogs 返回 monoforum 的订阅者子会话列表(管理员视角的私信列表)。mono 已解析+鉴权。
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func (r *Router) monoforumSavedDialogs(ctx context.Context, userID int64, mono domain.Channel, limit, offsetID int) (tg.MessagesSavedDialogsClass, error) {
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list, err := r.deps.Channels.ListMonoforumDialogs(ctx, domain.MonoforumDialogsFilter{
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MonoforumID: mono.ID,
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Limit: limit,
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OffsetID: offsetID,
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})
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if err != nil {
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return nil, internalErr()
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}
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dialogs := make([]tg.SavedDialogClass, 0, len(list.Dialogs))
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for _, d := range list.Dialogs {
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peer := tgPeer(d.SavedPeer)
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if peer == nil {
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continue
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}
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md := &tg.MonoForumDialog{
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Peer: peer,
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TopMessage: d.TopMessageID,
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ReadInboxMaxID: d.ReadInboxMaxID,
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ReadOutboxMaxID: d.ReadOutboxMaxID,
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UnreadCount: d.UnreadCount,
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}
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dialogs = append(dialogs, md)
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}
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messages := make([]tg.MessageClass, 0, len(list.Messages))
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for _, m := range list.Messages {
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if item := tgChannelMessage(userID, m); item != nil {
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messages = append(messages, item)
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}
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}
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return &tg.MessagesSavedDialogs{
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Dialogs: dialogs,
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Messages: messages,
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Chats: r.monoforumChats(ctx, userID, mono),
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Users: r.monoforumSubscriberUsers(ctx, userID, list.Dialogs, list.Messages),
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}, nil
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}
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// monoforumSavedHistory 返回某订阅者在 monoforum 内的私信历史。mono 已解析+鉴权。
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func (r *Router) monoforumSavedHistory(ctx context.Context, userID int64, mono domain.Channel, savedPeer domain.Peer, limit, offsetID int) (tg.MessagesMessagesClass, error) {
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if savedPeer.ID == 0 {
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return nil, peerIDInvalidErr()
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}
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hist, err := r.deps.Channels.ListMonoforumHistory(ctx, domain.MonoforumHistoryFilter{
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MonoforumID: mono.ID,
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SavedPeer: savedPeer,
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Limit: limit,
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OffsetID: offsetID,
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})
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if err != nil {
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return nil, internalErr()
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}
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messages := make([]tg.MessageClass, 0, len(hist.Messages))
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for _, m := range hist.Messages {
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if item := tgChannelMessage(userID, m); item != nil {
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messages = append(messages, item)
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}
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}
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return &tg.MessagesMessagesSlice{
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Count: hist.Count,
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Messages: messages,
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Chats: r.monoforumChats(ctx, userID, mono),
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Users: r.monoforumSubscriberUsers(ctx, userID, nil, hist.Messages),
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}, nil
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}
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// monoforumChats 投影客户端 materialize monoforum 私信所需的频道:monoforum 自身直接投影，
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// 再按 viewer 补母广播频道。订阅者没有 monoforum member row，管理员身份也只来自母频道。
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func (r *Router) monoforumChats(ctx context.Context, userID int64, mono domain.Channel) []tg.ChatClass {
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chats := []tg.ChatClass{tgChannelChatForView(userID, domain.ChannelView{Channel: mono})}
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if mono.LinkedMonoforumID != 0 && r.deps.Channels != nil {
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if views, err := r.deps.Channels.GetChannels(ctx, userID, []int64{mono.LinkedMonoforumID}); err == nil {
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for _, view := range views {
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if view.Channel.ID != 0 {
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chats = append(chats, tgChannelChatForView(userID, view))
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}
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}
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}
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}
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return chats
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}
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// monoforumSubscriberUsers 投影订阅者用户(子会话 saved_peer + 消息发件人)。
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func (r *Router) monoforumSubscriberUsers(ctx context.Context, userID int64, dialogs []domain.MonoforumDialog, messages []domain.ChannelMessage) []tg.UserClass {
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ids := make([]int64, 0, len(dialogs)+len(messages))
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seen := map[int64]struct{}{}
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add := func(id int64) {
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if id == 0 {
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return
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}
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if _, ok := seen[id]; ok {
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return
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}
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seen[id] = struct{}{}
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ids = append(ids, id)
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}
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for _, d := range dialogs {
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if d.SavedPeer.Type == domain.PeerTypeUser {
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add(d.SavedPeer.ID)
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}
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}
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for _, m := range messages {
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add(m.SenderUserID)
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}
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if len(ids) == 0 || r.deps.Users == nil {
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return []tg.UserClass{}
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}
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found, err := r.deps.Users.ByIDs(ctx, userID, ids)
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if err != nil {
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return []tg.UserClass{}
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}
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return r.tgUsers(found)
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}
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// monoforumReplyPresent 判断 sendMessage 的 reply_to 是否显式携带 monoforum_peer_id。
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// 管理员回复必须带目标订阅者；普通订阅者按官方 TDesktop 行为不携带 reply_to，目标由调用者推导。
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func monoforumReplyPresent(input tg.InputReplyToClass) bool {
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switch v := input.(type) {
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case *tg.InputReplyToMonoForum:
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return v != nil
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case *tg.InputReplyToMessage:
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if v == nil {
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return false
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}
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_, ok := v.GetMonoforumPeerID()
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return ok
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default:
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return false
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}
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}
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// monoforumReplyTargetPeer 从 reply_to 的 monoforum_peer_id 解析订阅者子会话 peer。
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func (r *Router) monoforumReplyTargetPeer(userID int64, input tg.InputReplyToClass) (domain.Peer, bool) {
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var inputPeer tg.InputPeerClass
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switch v := input.(type) {
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case *tg.InputReplyToMonoForum:
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if v != nil {
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inputPeer = v.MonoforumPeerID
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}
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case *tg.InputReplyToMessage:
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if v != nil {
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if p, ok := v.GetMonoforumPeerID(); ok {
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inputPeer = p
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}
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}
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}
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if inputPeer == nil {
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return domain.Peer{}, false
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}
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return r.domainPeerFromInputPeer(userID, inputPeer)
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}
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func (r *Router) monoforumSavedPeerForSender(userID int64, isAdmin bool, replyTo tg.InputReplyToClass) (domain.Peer, error) {
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savedPeer := domain.Peer{Type: domain.PeerTypeUser, ID: userID}
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if monoforumReplyPresent(replyTo) {
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var valid bool
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savedPeer, valid = r.monoforumReplyTargetPeer(userID, replyTo)
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if !valid || savedPeer.Type != domain.PeerTypeUser || savedPeer.ID == 0 {
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return domain.Peer{}, replyToMonoforumPeerInvalidErr()
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}
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} else if isAdmin {
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return domain.Peer{}, replyToMonoforumPeerInvalidErr()
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}
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if !isAdmin && savedPeer.ID != userID {
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return domain.Peer{}, replyToMonoforumPeerInvalidErr()
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}
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return savedPeer, nil
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}
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// monoforumMessageReplyFromInput separates the sub-dialog selector from the actual message reply.
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// InputReplyToMonoForum only selects a subscriber; InputReplyToMessage may carry both the selector
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// and a real reply_to_msg_id, so clear flags.5 before reusing the common structural validator.
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func (r *Router) monoforumMessageReplyFromInput(ctx context.Context, userID int64, peer domain.Peer, input tg.InputReplyToClass) (*domain.MessageReply, error) {
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switch value := input.(type) {
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case nil, *tg.InputReplyToMonoForum:
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return nil, nil
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case *tg.InputReplyToMessage:
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if value == nil {
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return nil, nil
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}
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clean := *value
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clean.Flags.Unset(5)
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clean.MonoforumPeerID = nil
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return r.messageReplyFromInput(ctx, userID, peer, &clean)
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default:
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return r.messageReplyFromInput(ctx, userID, peer, input)
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}
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}
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// sendMonoforumMessage 处理向频道私信(monoforum)发送:订阅者发到自己的子会话,管理员回复到目标订阅者。
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// saved_peer 对订阅者由调用者推导、对管理员来自 reply_to;管理员可写任意订阅者子会话,订阅者只能写自己的。
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func (r *Router) sendMonoforumMessage(ctx context.Context, userID int64, peer domain.Peer, mono domain.Channel, isAdmin bool, req domain.SendMonoforumMessageRequest) (tg.UpdatesClass, error) {
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if r.deps.Channels == nil {
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return nil, notImplementedErr()
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}
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if peer.Type != domain.PeerTypeChannel || peer.ID == 0 {
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return nil, peerIDInvalidErr()
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}
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if mono.ID != peer.ID || !mono.Monoforum || req.SavedPeer.Type != domain.PeerTypeUser || req.SavedPeer.ID == 0 {
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return nil, replyToMonoforumPeerInvalidErr()
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}
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if !isAdmin && req.SavedPeer.ID != userID {
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// 普通订阅者只能写自己的子会话,不能写他人的。
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return nil, replyToMonoforumPeerInvalidErr()
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}
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req.MonoforumID = mono.ID
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req.SenderUserID = userID
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if req.Date == 0 {
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req.Date = int(r.clock.Now().Unix())
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}
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res, err := r.deps.Channels.SendMonoforumMessage(ctx, req)
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if err != nil {
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return nil, messageSendErr(err)
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}
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if req.ClearDraft {
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r.clearDraftAfterSend(ctx, userID, peer, req.ReplyTo)
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}
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if !res.Duplicate {
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r.enqueueMonoforumMessageFanout(ctx, userID, mono, req.SavedPeer, res)
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}
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return r.monoforumSendUpdates(ctx, userID, mono, req.SavedPeer, res), nil
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}
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// monoforumSendUpdates 给发送者构造回声 Updates:updateMessageID(关联 random_id)+ updateNewChannelMessage
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// (monoforum 走 channel pts)。另一方经 monoforum 频道的 getChannelDifference 收取该 durable 事件。
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func (r *Router) monoforumSendUpdates(ctx context.Context, userID int64, mono domain.Channel, savedPeer domain.Peer, res domain.SendChannelMessageResult) tg.UpdatesClass {
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updates := make([]tg.UpdateClass, 0, 3)
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if res.Message.RandomID != 0 {
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updates = append(updates, &tg.UpdateMessageID{ID: res.Message.ID, RandomID: res.Message.RandomID})
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}
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newMsg := &tg.UpdateNewChannelMessage{Pts: res.Event.Pts, PtsCount: res.Event.PtsCount}
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if channelMsg := tgChannelMessage(userID, res.Message); channelMsg != nil {
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newMsg.Message = channelMsg
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} else {
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newMsg.Message = &tg.MessageEmpty{ID: res.Message.ID}
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}
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updates = append(updates, newMsg)
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if res.SenderStarsBalance != nil && res.Message.SenderUserID == userID {
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updates = append(updates, &tg.UpdateStarsBalance{
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Balance: &tg.StarsAmount{Amount: res.SenderStarsBalance.Balance},
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})
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}
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date := int(r.clock.Now().Unix())
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if res.Duplicate && res.ReplayDeleteEvent != nil {
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if deleted := tgChannelUpdate(userID, *res.ReplayDeleteEvent); deleted != nil {
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updates = append(updates, deleted)
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}
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if res.ReplayDeleteEvent.Date > date {
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date = res.ReplayDeleteEvent.Date
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}
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}
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return &tg.Updates{
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Updates: updates,
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Chats: r.monoforumChats(ctx, userID, mono),
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Users: r.monoforumSubscriberUsers(ctx, userID, []domain.MonoforumDialog{{SavedPeer: savedPeer}}, []domain.ChannelMessage{res.Message}),
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Date: date,
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}
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}
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func (r *Router) monoforumDeliveryUpdates(ctx context.Context, userID int64, mono domain.Channel, savedPeer domain.Peer, res domain.SendChannelMessageResult) *tg.Updates {
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updates, _ := r.monoforumSendUpdates(ctx, userID, mono, savedPeer, res).(*tg.Updates)
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if updates == nil {
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return nil
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}
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filtered := make([]tg.UpdateClass, 0, len(updates.Updates))
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for _, update := range updates.Updates {
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if _, randomMapping := update.(*tg.UpdateMessageID); !randomMapping {
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filtered = append(filtered, update)
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}
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}
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updates.Updates = filtered
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return updates
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}
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