120 lines
3.4 KiB
Go
120 lines
3.4 KiB
Go
package service
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import (
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"context"
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"sort"
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roomv1 "hyapp.local/api/proto/room/v1"
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"hyapp/pkg/appcode"
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"hyapp/pkg/roomid"
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"hyapp/pkg/xerr"
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"hyapp/services/room-service/internal/room/state"
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)
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const (
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// defaultRoomBannedUsersPageSize 是房间黑名单面板默认页大小。
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defaultRoomBannedUsersPageSize = 20
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// maxRoomBannedUsersPageSize 限制单次查询量，避免管理面板一次拉完整治理状态。
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maxRoomBannedUsersPageSize = 100
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)
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// ListRoomBannedUsers 分页读取房间当前仍有效的黑名单。
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// 黑名单状态属于 Room Cell，用户头像、昵称、国家等展示资料由 gateway 批量查询 user-service。
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func (s *Service) ListRoomBannedUsers(ctx context.Context, req *roomv1.ListRoomBannedUsersRequest) (*roomv1.ListRoomBannedUsersResponse, error) {
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ctx = appcode.WithContext(ctx, req.GetMeta().GetAppCode())
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roomID := req.GetRoomId()
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viewerUserID := req.GetViewerUserId()
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if !roomid.ValidStringID(roomID) {
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return nil, xerr.New(xerr.InvalidArgument, "room_id is invalid")
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}
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if viewerUserID <= 0 {
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return nil, xerr.New(xerr.InvalidArgument, "viewer_user_id is required")
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}
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snapshot, err := s.currentSnapshot(ctx, roomID)
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if err != nil {
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return nil, err
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}
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if snapshot == nil || snapshot.GetRoomId() == "" {
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return nil, xerr.New(xerr.NotFound, "room not found")
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}
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if snapshot.GetStatus() != state.RoomStatusActive {
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return nil, xerr.New(xerr.RoomClosed, "room closed")
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}
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current := state.FromProto(snapshot)
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if err := requireManagerPresent(current, viewerUserID); err != nil {
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// 黑名单是房间治理数据，只允许当前仍在房间内的 owner/admin 查看。
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return nil, err
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}
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nowMS := s.clock.Now().UnixMilli()
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items := activeBannedUsersFromState(current, nowMS)
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page, pageSize := normalizeRoomBannedUsersPage(req.GetPage(), req.GetPageSize())
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total := int64(len(items))
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start := (page - 1) * pageSize
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if start >= len(items) {
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items = nil
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} else {
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end := start + pageSize
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if end > len(items) {
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end = len(items)
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}
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items = items[start:end]
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}
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return &roomv1.ListRoomBannedUsersResponse{
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Items: items,
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Total: total,
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Page: int32(page),
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PageSize: int32(pageSize),
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ServerTimeMs: nowMS,
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}, nil
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}
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func activeBannedUsersFromState(current *state.RoomState, nowMS int64) []*roomv1.RoomBannedUser {
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if current == nil || len(current.BanUsers) == 0 {
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return nil
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}
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items := make([]*roomv1.RoomBannedUser, 0, len(current.BanUsers))
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for _, ban := range current.BanUsers {
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if !ban.ActiveAt(nowMS) {
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continue
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}
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remainingMS := int64(0)
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if ban.ExpiresAtMS > 0 {
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remainingMS = ban.ExpiresAtMS - nowMS
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}
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items = append(items, &roomv1.RoomBannedUser{
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UserId: ban.UserID,
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ActorUserId: ban.ActorUserID,
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CreatedAtMs: ban.CreatedAtMS,
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UnbanAtMs: ban.ExpiresAtMS,
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RemainingMs: remainingMS,
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Permanent: ban.ExpiresAtMS == 0,
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})
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}
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sort.Slice(items, func(i, j int) bool {
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if items[i].GetCreatedAtMs() != items[j].GetCreatedAtMs() {
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return items[i].GetCreatedAtMs() > items[j].GetCreatedAtMs()
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}
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return items[i].GetUserId() < items[j].GetUserId()
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})
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return items
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}
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func normalizeRoomBannedUsersPage(rawPage int32, rawPageSize int32) (int, int) {
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page := int(rawPage)
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if page <= 0 {
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page = 1
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}
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pageSize := int(rawPageSize)
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if pageSize <= 0 {
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pageSize = defaultRoomBannedUsersPageSize
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}
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if pageSize > maxRoomBannedUsersPageSize {
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pageSize = maxRoomBannedUsersPageSize
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}
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return page, pageSize
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}
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