chore: refresh gramsrv public release

internal/store/memory/channel_message_views.go

@@ -0,0 +1,84 @@
+package memory
+
+import (
+	"context"
+	"telesrv/internal/domain"
+)
+
+func (s *ChannelStore) GetChannelMessageViews(_ context.Context, req domain.ChannelMessageViewsRequest) (domain.ChannelMessageViewsResult, error) {
+	if req.UserID == 0 || req.ChannelID == 0 {
+		return domain.ChannelMessageViewsResult{}, domain.ErrChannelInvalid
+	}
+	if len(req.IDs) == 0 {
+		return domain.ChannelMessageViewsResult{Views: map[int]int{}, Replies: map[int]*domain.ChannelMessageReplies{}}, nil
+	}
+	if len(req.IDs) > domain.MaxGetMessageIDs {
+		return domain.ChannelMessageViewsResult{}, domain.ErrChannelInvalid
+	}
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	channel, member, err := s.channelAndMemberLocked(req.UserID, req.ChannelID)
+	if err != nil {
+		return domain.ChannelMessageViewsResult{}, err
+	}
+	wanted := make(map[int]struct{}, len(req.IDs))
+	for _, id := range req.IDs {
+		if id <= 0 || id > domain.MaxMessageBoxID {
+			return domain.ChannelMessageViewsResult{}, domain.ErrMessageIDInvalid
+		}
+		wanted[id] = struct{}{}
+	}
+	visible := make(map[int]struct{}, len(wanted))
+	for _, msg := range s.messages[req.ChannelID] {
+		if _, ok := wanted[msg.ID]; !ok {
+			continue
+		}
+		if msg.Deleted || msg.ID <= member.AvailableMinID {
+			continue
+		}
+		visible[msg.ID] = struct{}{}
+	}
+	if s.msgViews[req.ChannelID] == nil {
+		s.msgViews[req.ChannelID] = make(map[int]int)
+	}
+	if s.msgViewers[req.ChannelID] == nil {
+		s.msgViewers[req.ChannelID] = make(map[int]map[int64]struct{})
+	}
+	for id := range visible {
+		if req.Increment {
+			if s.msgViewers[req.ChannelID][id] == nil {
+				s.msgViewers[req.ChannelID][id] = make(map[int64]struct{})
+			}
+			if _, seen := s.msgViewers[req.ChannelID][id][req.UserID]; !seen {
+				s.msgViewers[req.ChannelID][id][req.UserID] = struct{}{}
+				s.msgViews[req.ChannelID][id]++
+			}
+		}
+	}
+	out := make(map[int]int, len(visible))
+	replies := make(map[int]*domain.ChannelMessageReplies, len(visible))
+	peerSeen := make(map[domain.Peer]struct{}, len(visible))
+	peers := make([]domain.Peer, 0, len(visible))
+	for id := range visible {
+		out[id] = s.msgViews[req.ChannelID][id]
+	}
+	for _, msg := range s.messages[req.ChannelID] {
+		if _, ok := visible[msg.ID]; !ok {
+			continue
+		}
+		peer := msg.From
+		if peer.ID == 0 && msg.SenderUserID != 0 {
+			peer = domain.Peer{Type: domain.PeerTypeUser, ID: msg.SenderUserID}
+		}
+		if peer.ID != 0 {
+			if _, ok := peerSeen[peer]; !ok {
+				peerSeen[peer] = struct{}{}
+				peers = append(peers, peer)
+			}
+		}
+		if reply := s.channelMessageRepliesLocked(req.UserID, req.ChannelID, msg); reply != nil {
+			replies[msg.ID] = reply
+		}
+	}
+	return domain.ChannelMessageViewsResult{Channel: channel, Views: out, Replies: replies, Peers: peers}, nil
+}