73 lines
2.0 KiB
Go
73 lines
2.0 KiB
Go
package mysql
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import (
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"context"
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"strings"
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"hyapp/pkg/appcode"
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roomservice "hyapp/services/room-service/internal/room/service"
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)
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// ListRoomContributionRank 读取单房间用户周期贡献 TopN。
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// 该查询只命中周期统计表索引，不扫描 command log、outbox 或 Room Cell 快照。
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func (r *Repository) ListRoomContributionRank(ctx context.Context, query roomservice.RoomContributionRankQuery) (roomservice.RoomContributionRankPage, error) {
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app := appcode.Normalize(query.AppCode)
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if app == "" {
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app = appcode.FromContext(ctx)
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}
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roomID := strings.TrimSpace(query.RoomID)
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period := strings.TrimSpace(query.Period)
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limit := query.Limit
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if limit <= 0 {
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limit = 20
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}
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var total int64
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if err := r.db.QueryRowContext(ctx,
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`SELECT COUNT(*)
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FROM room_user_contribution_period_stats
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WHERE app_code = ? AND room_id = ? AND period = ? AND period_start_ms = ?`,
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app,
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roomID,
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period,
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query.PeriodStartMS,
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).Scan(&total); err != nil {
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return roomservice.RoomContributionRankPage{}, err
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}
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rows, err := r.db.QueryContext(ctx,
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`SELECT user_id, gift_value, updated_at_ms
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FROM room_user_contribution_period_stats
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WHERE app_code = ? AND room_id = ? AND period = ? AND period_start_ms = ?
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ORDER BY gift_value DESC, last_gift_at_ms DESC, user_id ASC
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LIMIT ?`,
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app,
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roomID,
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period,
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query.PeriodStartMS,
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limit,
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)
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if err != nil {
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return roomservice.RoomContributionRankPage{}, err
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}
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defer rows.Close()
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items := make([]roomservice.RoomContributionRankEntry, 0, limit)
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for rows.Next() {
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var item roomservice.RoomContributionRankEntry
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if err := rows.Scan(&item.UserID, &item.GiftValue, &item.UpdatedAtMS); err != nil {
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return roomservice.RoomContributionRankPage{}, err
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}
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item.Rank = int64(len(items)) + 1
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item.Score = item.GiftValue
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items = append(items, item)
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}
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if err := rows.Err(); err != nil {
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return roomservice.RoomContributionRankPage{}, err
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}
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return roomservice.RoomContributionRankPage{
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Items: items,
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Total: total,
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}, nil
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}
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