donau

Donation authority for GNU Taler (experimental)
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update_charity.c (2741B)

      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2025 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 src/donaudb/update_charity.c
     18  * @brief Implementation of the update_charity function for Postgres
     19  * @author Bohdan Potuzhnyi
     20  */
     21 #include <donau_config.h>
     22 #include <taler/taler_error_codes.h>
     23 #include <taler/taler_dbevents.h>
     24 #include <taler/taler_pq_lib.h>
     25 #include "update_charity.h"
     26 #include "helper.h"
     27 
     28 
     29 enum GNUNET_DB_QueryStatus
     30 DONAUDB_update_charity (struct DONAUDB_PostgresContext *ctx,
     31                         uint64_t charity_id,
     32                         const struct DONAU_CharityPublicKeyP *charity_pub,
     33                         const char *charity_name,
     34                         const char *charity_url,
     35                         const struct TALER_Amount *max_per_year,
     36                         bool *conflict)
     37 {
     38   struct GNUNET_PQ_QueryParam params[] = {
     39     GNUNET_PQ_query_param_uint64 (&charity_id),
     40     GNUNET_PQ_query_param_auto_from_type (charity_pub),
     41     GNUNET_PQ_query_param_string (charity_name),
     42     GNUNET_PQ_query_param_string (charity_url),
     43     TALER_PQ_query_param_amount (ctx->conn,
     44                                  max_per_year),
     45     GNUNET_PQ_query_param_end
     46   };
     47   bool found;
     48   struct GNUNET_PQ_ResultSpec rs[] = {
     49     GNUNET_PQ_result_spec_bool ("found",
     50                                 &found),
     51     GNUNET_PQ_result_spec_bool ("conflict",
     52                                 conflict),
     53     GNUNET_PQ_result_spec_end
     54   };
     55   enum GNUNET_DB_QueryStatus qs;
     56 
     57   *conflict = false;
     58   PREPARE (ctx,
     59            "update_charity",
     60            "SELECT "
     61            " out_found AS found"
     62            ",out_conflict AS conflict"
     63            " FROM do_update_charity"
     64            " ($1, $2, $3, $4, $5);");
     65   qs = GNUNET_PQ_eval_prepared_singleton_select (ctx->conn,
     66                                                  "update_charity",
     67                                                  params,
     68                                                  rs);
     69   if (qs <= 0)
     70     return qs;
     71   if (! found)
     72     return GNUNET_DB_STATUS_SUCCESS_NO_RESULTS;
     73   return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
     74 }
     75 
     76 
     77 /* end of update_charity.c */