/*
   This file is part of TALER
   Copyright (C) 2024 Taler Systems SA

   TALER is free software; you can redistribute it and/or modify it under the
   terms of the GNU General Public License as published by the Free Software
   Foundation; either version 3, or (at your option) any later version.

   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

   You should have received a copy of the GNU General Public License along with
   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
 */
/**
 * @file src/include/exchange-database/iterate_aml_attributes.h
 * @brief implementation of the iterate_aml_attributes function for Postgres
 * @author Christian Grothoff
 */
#ifndef EXCHANGE_DATABASE_ITERATE_AML_ATTRIBUTES_H
#define EXCHANGE_DATABASE_ITERATE_AML_ATTRIBUTES_H

#include "taler/taler_util.h"
#include "taler/taler_json_lib.h"
#include "exchangedb_lib.h"


/**
 * Return AML attribute information.
 *
 * @param cls closure
 * @param row_id current row in kyc_attributes table
 * @param collection_time when were the attributes collected
 * @param by_aml_officer true if the data was filed by an AML officer
 * @param officer_name name of the officer, NULL if not @a by_aml_officer
 * @param enc_attributes_size size of @a enc_attributes
 * @param enc_attributes the encrypted collected attributes
 */
#ifndef TALER_EXCHANGEDB_AML_ATTRIBUTE_RESULT_CLOSURE
/**
 * Type of the closure for #TALER_EXCHANGEDB_AmlAttributeCallback.
 */
#define TALER_EXCHANGEDB_AML_ATTRIBUTE_RESULT_CLOSURE void
#endif
typedef void
(*TALER_EXCHANGEDB_AmlAttributeCallback)(
  TALER_EXCHANGEDB_AML_ATTRIBUTE_RESULT_CLOSURE *cls,
  uint64_t row_id,
  struct GNUNET_TIME_Timestamp collection_time,
  bool by_aml_officer,
  const char *officer_name,
  size_t enc_attributes_size,
  const void *enc_attributes);


/* Callback typedefs */
/**
 * Return AML attribute information.
 *
 * @param cls closure
 * @param row_id current row in kyc_attributes table
 * @param collection_time when were the attributes collected
 * @param by_aml_officer true if the data was filed by an AML officer
 * @param officer_name name of the officer, NULL if not @a by_aml_officer
 * @param enc_attributes_size size of @a enc_attributes
 * @param enc_attributes the encrypted collected attributes
 */
typedef void
(*TALER_EXCHANGEDB_AmlAttributeCallback)(
  TALER_EXCHANGEDB_AML_ATTRIBUTE_RESULT_CLOSURE *cls,
  uint64_t row_id,
  struct GNUNET_TIME_Timestamp collection_time,
  bool by_aml_officer,
  const char *officer_name,
  size_t enc_attributes_size,
  const void *enc_attributes);

/**
 * Lookup AML attributes of a particular account.
 *
 * @param pg the database context
 * @param h_payto which account should we return attributes for
 * @param offset row to start from
 * @param limit how many records to return (negative
 *        to go back in time, positive to go forward)
 * @param cb callback to invoke on each match
 * @param cb_cls closure for @a cb
 * @return database transaction status
 */
enum GNUNET_DB_QueryStatus
TALER_EXCHANGEDB_iterate_aml_attributes (struct
                                         TALER_EXCHANGEDB_PostgresContext *pg,
                                         const struct
                                         TALER_NormalizedPaytoHashP *
                                         h_payto,
                                         uint64_t offset,
                                         int64_t limit,
                                         TALER_EXCHANGEDB_AmlAttributeCallback
                                         cb
                                         ,
                                         TALER_EXCHANGEDB_AML_ATTRIBUTE_RESULT_CLOSURE
                                         *cb_cls);


#endif
