merchant

Merchant backend to process payments, run by merchants
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pg_lookup_webhook.c (3257B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2023 Taler Systems SA
      4 
      5    TALER is free software; you can redistribute it and/or modify it under the
      6    terms of the GNU General Public License as published by the Free Software
      7    Foundation; either version 3, or (at your option) any later version.
      8 
      9    TALER is distributed in the hope that it will be useful, but WITHOUT ANY
     10    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     12 
     13    You should have received a copy of the GNU General Public License along with
     14    TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15  */
     16 /**
     17  * @file backenddb/pg_lookup_webhook.c
     18  * @brief Implementation of the lookup_webhook function for Postgres
     19  * @author Iván Ávalos
     20  */
     21 #include "platform.h"
     22 #include <taler/taler_error_codes.h>
     23 #include <taler/taler_dbevents.h>
     24 #include <taler/taler_pq_lib.h>
     25 #include "pg_lookup_webhook.h"
     26 #include "pg_helper.h"
     27 
     28 enum GNUNET_DB_QueryStatus
     29 TMH_PG_lookup_webhook (void *cls,
     30                        const char *instance_id,
     31                        const char *webhook_id,
     32                        struct TALER_MERCHANTDB_WebhookDetails *wb)
     33 {
     34   struct PostgresClosure *pg = cls;
     35   struct GNUNET_PQ_QueryParam params[] = {
     36     GNUNET_PQ_query_param_string (instance_id),
     37     GNUNET_PQ_query_param_string (webhook_id),
     38     GNUNET_PQ_query_param_end
     39   };
     40 
     41   check_connection (pg);
     42   PREPARE (pg,
     43            "lookup_webhook",
     44            "SELECT"
     45            " event_type"
     46            ",url"
     47            ",http_method"
     48            ",header_template"
     49            ",body_template"
     50            " FROM merchant_webhook"
     51            " JOIN merchant_instances"
     52            "   USING (merchant_serial)"
     53            " WHERE merchant_instances.merchant_id=$1"
     54            "   AND merchant_webhook.webhook_id=$2");
     55 
     56   if (NULL == wb)
     57   {
     58     struct GNUNET_PQ_ResultSpec rs_null[] = {
     59       GNUNET_PQ_result_spec_end
     60     };
     61 
     62     return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     63                                                      "lookup_webhook",
     64                                                      params,
     65                                                      rs_null);
     66   }
     67   else
     68   {
     69     struct GNUNET_PQ_ResultSpec rs[] = {
     70       GNUNET_PQ_result_spec_string ("event_type",
     71                                     &wb->event_type),
     72       GNUNET_PQ_result_spec_string ("url",
     73                                     &wb->url),
     74       GNUNET_PQ_result_spec_string ("http_method",
     75                                     &wb->http_method),
     76       GNUNET_PQ_result_spec_allow_null (
     77         GNUNET_PQ_result_spec_string ("header_template",
     78                                       &wb->header_template),
     79         NULL),
     80       GNUNET_PQ_result_spec_allow_null (
     81         GNUNET_PQ_result_spec_string ("body_template",
     82                                       &wb->body_template),
     83         NULL),
     84       GNUNET_PQ_result_spec_end
     85     };
     86 
     87     return GNUNET_PQ_eval_prepared_singleton_select (pg->conn,
     88                                                      "lookup_webhook",
     89                                                      params,
     90                                                      rs);
     91   }
     92 }