query_user_groups.h

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/*
  Copyright (c) 2022, 2025, Oracle and/or its affiliates.
 
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  it under the terms of the GNU General Public License, version 2.0,
  as published by the Free Software Foundation.
 
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  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
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*/
 
#ifndef ROUTER_SRC_REST_MRS_SRC_MRS_DATABASE_QUERY_USER_GROUPS_H_
#define ROUTER_SRC_REST_MRS_SRC_MRS_DATABASE_QUERY_USER_GROUPS_H_
 
#include <set>
#include <utility>
 
#include "mrs/database/entry/auth_user.h"
#include "mrs/database/helper/query.h"
 
namespace mrs {
namespace database {
 
class QueryUserGroups : private Query {
 public:
  using Set = std::set<entry::UniversalId>;
 
 public:
  virtual void query_groups(MySQLSession *session,
                            const entry::AuthUser::UserId &user_id,
                            Set *out_group_ids) {
    out_group_ids->clear();
    set_ = out_group_ids;
    query_.reset(
        "SELECT user_group_id FROM "
        "mysql_rest_service_metadata.mrs_user_has_group "
        "WHERE user_id=?;");
    query_ << to_sqlstring(user_id);
    execute(session);
  }
 
 private:
  void on_row(const ResultRow &r) override {
    if (r[0]) set_->insert(entry::UniversalId::from_cstr(r[0], 16));
  }
  Set *set_;
};
 
}  // namespace database
}  // namespace mrs
 
#endif  // ROUTER_SRC_REST_MRS_SRC_MRS_DATABASE_QUERY_USER_GROUPS_H_