chore: refresh gramsrv public release

internal/rpc/messages_paid_reaction.go

@@ -0,0 +1,112 @@
+package rpc
+
+import (
+	"context"
+
+	"github.com/gotd/td/tg"
+
+	"telesrv/internal/domain"
+)
+
+// channelPaidReactionService 是 r.deps.Channels 的可选扩展（app/channels.Service 实现），
+// 用类型断言接入，避免在 ChannelsService 接口上为付费 reaction 单加方法。
+type channelPaidReactionService interface {
+	SendPaidReaction(ctx context.Context, userID int64, req domain.SendChannelPaidReactionRequest) (domain.ChannelMessagePaidReactionResult, error)
+}
+
+// channelPaidReactionUpdates 为某 viewer 构造一条 updateMessageReactions：把消息已有的普通
+// reaction 与付费 ReactionPaid（总星数 + top reactors）合并。非请求者走 min 语义（置 Min，
+// 客户端忽略 chosen 保留本地态），避免把请求者视角串给他人。
+func (r *Router) channelPaidReactionUpdates(ctx context.Context, requestUserID, viewerUserID int64, res domain.ChannelMessagePaidReactionResult, ids []int) *tg.Updates {
+	isRequester := viewerUserID == requestUserID
+	base := domain.ChannelMessageReactions{}
+	if res.Message.Reactions != nil {
+		base = *res.Message.Reactions
+	}
+	paid := clonePaidForViewer(res.Paid, isRequester)
+	base.Paid = &paid
+	mr := tgMessageReactions(viewerUserID, &base)
+	if mr == nil {
+		mr = &tg.MessageReactions{Results: []tg.ReactionCount{}}
+	}
+	if !isRequester {
+		mr.Min = true
+	}
+	msgID := res.Message.ID
+	if msgID == 0 && len(ids) > 0 {
+		msgID = ids[0]
+	}
+	update := &tg.UpdateMessageReactions{
+		Peer:      &tg.PeerChannel{ChannelID: res.Channel.ID},
+		MsgID:     msgID,
+		Reactions: *mr,
+	}
+	return &tg.Updates{
+		Updates: []tg.UpdateClass{update},
+		Users:   r.tgUsersForIDs(ctx, viewerUserID, paidReactorUserIDs(res.Paid)),
+		Chats:   tgChannels(viewerUserID, []domain.Channel{res.Channel}),
+		Date:    int(r.clock.Now().Unix()),
+		Seq:     0,
+	}
+}
+
+// clonePaidForViewer 返回付费聚合的副本；非请求者抹除 My/MyStars（min 语义防串视角）。
+func clonePaidForViewer(paid domain.ChannelMessagePaidReactions, isRequester bool) domain.ChannelMessagePaidReactions {
+	out := paid
+	out.TopReactors = make([]domain.PaidReactor, len(paid.TopReactors))
+	copy(out.TopReactors, paid.TopReactors)
+	if !isRequester {
+		out.MyStars = 0
+		out.MyAnonymous = false
+		for i := range out.TopReactors {
+			out.TopReactors[i].My = false
+		}
+	}
+	return out
+}
+
+// injectPaidReaction 把付费 reaction 注入 MessageReactions：ReactionPaid 计数置首位、填充
+// top reactors 排行。My/chosen 完全由 paid 的视角数据驱动（调用方对他人视角已抹除 My/MyStars）。
+func injectPaidReaction(mr *tg.MessageReactions, paid domain.ChannelMessagePaidReactions) {
+	if paid.TotalStars <= 0 {
+		return
+	}
+	paidCount := tg.ReactionCount{Reaction: &tg.ReactionPaid{}, Count: int(paid.TotalStars)}
+	if paid.MyStars > 0 {
+		// chosen_order 仅标记「本人已投」，具体序值不关键，置正。
+		paidCount.SetChosenOrder(int(paid.MyStars))
+	}
+	mr.Results = append([]tg.ReactionCount{paidCount}, mr.Results...)
+
+	reactors := make([]tg.MessageReactor, 0, len(paid.TopReactors))
+	for _, rr := range paid.TopReactors {
+		item := tg.MessageReactor{Count: int(rr.Stars)}
+		if rr.My {
+			item.My = true
+		} else {
+			item.Top = true
+		}
+		if rr.Anonymous {
+			item.Anonymous = true
+		}
+		// PeerID：非匿名给出；匿名仅本人给出（TL 语义：匿名本人 anonymous+peer 都置）。
+		if rr.UserID != 0 && (!rr.Anonymous || rr.My) {
+			item.SetPeerID(&tg.PeerUser{UserID: rr.UserID})
+		}
+		reactors = append(reactors, item)
+	}
+	if len(reactors) > 0 {
+		mr.SetTopReactors(reactors)
+	}
+}
+
+// paidReactorUserIDs 收集非匿名 reactor 的用户 id，供 Updates.Users 富化头像。
+func paidReactorUserIDs(paid domain.ChannelMessagePaidReactions) []int64 {
+	ids := make([]int64, 0, len(paid.TopReactors))
+	for _, rr := range paid.TopReactors {
+		if rr.UserID != 0 && !rr.Anonymous {
+			ids = append(ids, rr.UserID)
+		}
+	}
+	return ids
+}