Simplify the dashboard recent IP view

internal/store/store.go

@@ -475,6 +475,75 @@ func (s *Store) ListIPStates(ctx context.Context, limit int, stateFilter string)
 	return items, nil
 }
 
+func (s *Store) ListRecentIPRows(ctx context.Context, since time.Time, limit int) ([]model.RecentIPRow, error) {
+	if limit <= 0 {
+		limit = 200
+	}
+	rows, err := s.db.QueryContext(ctx, `
+		WITH recent AS (
+			SELECT client_ip, COUNT(*) AS event_count, MAX(occurred_at) AS last_seen_at
+			FROM events
+			WHERE occurred_at >= ?
+			GROUP BY client_ip
+		)
+		SELECT s.ip,
+		       COALESCE((
+		         SELECT e.source_name
+		         FROM events e
+		         WHERE e.client_ip = s.ip AND e.occurred_at >= ?
+		         ORDER BY e.occurred_at DESC, e.id DESC
+		         LIMIT 1
+		       ), s.last_source_name) AS source_name,
+		       s.state,
+		       recent.event_count,
+		       recent.last_seen_at,
+		       s.state_reason,
+		       s.manual_override
+		FROM recent
+		JOIN ip_state s ON s.ip = recent.client_ip
+		ORDER BY recent.event_count DESC, recent.last_seen_at DESC, s.ip ASC
+		LIMIT ?`,
+		formatTime(since),
+		formatTime(since),
+		limit,
+	)
+	if err != nil {
+		return nil, fmt.Errorf("list recent ip rows: %w", err)
+	}
+	defer rows.Close()
+
+	items := make([]model.RecentIPRow, 0, limit)
+	for rows.Next() {
+		var item model.RecentIPRow
+		var state string
+		var lastSeenAt string
+		var manualOverride string
+		if err := rows.Scan(
+			&item.IP,
+			&item.SourceName,
+			&state,
+			&item.Events,
+			&lastSeenAt,
+			&item.Reason,
+			&manualOverride,
+		); err != nil {
+			return nil, fmt.Errorf("scan recent ip row: %w", err)
+		}
+		parsedLastSeenAt, err := parseTime(lastSeenAt)
+		if err != nil {
+			return nil, fmt.Errorf("parse recent ip row last_seen_at: %w", err)
+		}
+		item.State = model.IPStateStatus(state)
+		item.LastSeenAt = parsedLastSeenAt
+		item.ManualOverride = model.ManualOverride(manualOverride)
+		items = append(items, item)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, fmt.Errorf("iterate recent ip rows: %w", err)
+	}
+	return items, nil
+}
+
 func (s *Store) GetIPDetails(ctx context.Context, ip string, eventLimit, decisionLimit, actionLimit int) (model.IPDetails, error) {
 	state, _, err := s.GetIPState(ctx, ip)
 	if err != nil {