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/*
This file is part of TALER
Copyright (C) 2022 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 backenddb/pg_account_kyc_get_status.c
* @brief Implementation of the account_kyc_get_status function for Postgres
* @author Iván Ávalos
*/
#include "platform.h"
#include <taler/taler_error_codes.h>
#include <taler/taler_dbevents.h>
#include <taler/taler_pq_lib.h>
#include "pg_account_kyc_get_status.h"
#include "pg_helper.h"
/**
* Closure for kyc_status_cb().
*/
struct KycStatusContext
{
/**
* Function to call with results.
*/
TALER_MERCHANTDB_KycCallback kyc_cb;
/**
* Closure for @e kyc_cb.
*/
void *kyc_cb_cls;
/**
* Number of results found.
*/
unsigned int count;
/**
* Set to true on failure(s).
*/
bool failure;
};
/**
* Function to be called with the results of a SELECT statement
* that has returned @a num_results results about accounts.
*
* @param[in,out] cls of type `struct KycStatusContext *`
* @param result the postgres result
* @param num_results the number of results in @a result
*/
static void
kyc_status_cb (void *cls,
PGresult *result,
unsigned int num_results)
{
struct KycStatusContext *ksc = cls;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Got %u KYC records\n",
num_results);
for (unsigned int i = 0; i < num_results; i++)
{
struct TALER_MerchantWireHashP h_wire;
char *exchange_url;
char *payto_uri;
struct GNUNET_TIME_Timestamp last_check;
bool kyc_ok;
struct TALER_AccountAccessTokenP access_token;
bool no_auth;
uint32_t h32;
uint32_t e32;
bool in_aml_review;
json_t *jlimits = NULL;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_auto_from_type ("h_wire",
&h_wire),
GNUNET_PQ_result_spec_string ("payto_uri",
&payto_uri),
GNUNET_PQ_result_spec_string ("exchange_url",
&exchange_url),
GNUNET_PQ_result_spec_timestamp ("kyc_timestamp",
&last_check),
GNUNET_PQ_result_spec_bool ("kyc_ok",
&kyc_ok),
GNUNET_PQ_result_spec_allow_null (
GNUNET_PQ_result_spec_auto_from_type ("access_token",
&access_token),
&no_auth),
GNUNET_PQ_result_spec_uint32 ("exchange_http_status",
&h32),
GNUNET_PQ_result_spec_uint32 ("exchange_ec_code",
&e32),
GNUNET_PQ_result_spec_bool ("aml_review",
&in_aml_review),
GNUNET_PQ_result_spec_allow_null (
TALER_PQ_result_spec_json ("jaccount_limits",
&jlimits),
NULL),
GNUNET_PQ_result_spec_end
};
unsigned int last_http_status;
enum TALER_ErrorCode last_ec;
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
ksc->failure = true;
return;
}
last_http_status = (unsigned int) h32;
last_ec = (enum TALER_ErrorCode) (int) e32;
ksc->count++;
ksc->kyc_cb (ksc->kyc_cb_cls,
&h_wire,
payto_uri,
exchange_url,
last_check,
kyc_ok,
(no_auth)
? NULL
: &access_token,
last_http_status,
last_ec,
in_aml_review,
jlimits);
GNUNET_PQ_cleanup_result (rs);
}
}
enum GNUNET_DB_QueryStatus
TMH_PG_account_kyc_get_status (
void *cls,
const char *merchant_id,
const struct TALER_MerchantWireHashP *h_wire,
const char *exchange_url,
TALER_MERCHANTDB_KycCallback kyc_cb,
void *kyc_cb_cls)
{
struct PostgresClosure *pg = cls;
struct KycStatusContext ksc = {
.kyc_cb = kyc_cb,
.kyc_cb_cls = kyc_cb_cls
};
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_string (merchant_id),
NULL == exchange_url
? GNUNET_PQ_query_param_null ()
: GNUNET_PQ_query_param_string (exchange_url),
NULL == h_wire
? GNUNET_PQ_query_param_null ()
: GNUNET_PQ_query_param_auto_from_type (h_wire),
GNUNET_PQ_query_param_end
};
enum GNUNET_DB_QueryStatus qs;
check_connection (pg);
PREPARE (pg,
"lookup_kyc_status",
"SELECT"
" ma.h_wire"
",ma.payto_uri"
",mk.exchange_url"
",mk.kyc_timestamp"
",mk.kyc_ok"
",mk.access_token"
",mk.exchange_http_status"
",mk.exchange_ec_code"
",mk.aml_review"
",mk.jaccount_limits"
" FROM merchant_instances mi"
" JOIN merchant_accounts ma"
" USING (merchant_serial)"
" JOIN merchant_kyc mk"
" USING (account_serial)"
" WHERE (mi.merchant_id=$1)"
" AND ( ($2::TEXT IS NULL)"
" OR (mk.exchange_url=$2) )"
" AND ( ($3::BYTEA IS NULL)"
" OR (ma.h_wire=$3) );");
qs = GNUNET_PQ_eval_prepared_multi_select (
pg->conn,
"lookup_kyc_status",
params,
&kyc_status_cb,
&ksc);
if (ksc.failure)
{
GNUNET_break (0);
return GNUNET_DB_STATUS_HARD_ERROR;
}
if (0 > qs)
return qs;
return ksc.count;
}
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