merchant

Merchant backend to process payments, run by merchants
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taler-merchant-httpd_patch-private-categories-CATEGORY_ID.c (4591B)

      1 /*
      2   This file is part of TALER
      3   (C) 2024 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify
      6   it under the terms of the GNU Affero General Public License as
      7   published by the Free Software Foundation; either version 3,
      8   or (at your option) any later version.
      9 
     10   TALER is distributed in the hope that it will be useful, but
     11   WITHOUT ANY WARRANTY; without even the implied warranty of
     12   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     13   GNU General Public License for more details.
     14 
     15   You should have received a copy of the GNU General Public
     16   License along with TALER; see the file COPYING.  If not,
     17   see <http://www.gnu.org/licenses/>
     18 */
     19 
     20 /**
     21  * @file src/backend/taler-merchant-httpd_patch-private-categories-CATEGORY_ID.c
     22  * @brief implementing PATCH /categories/$ID request handling
     23  * @author Christian Grothoff
     24  */
     25 #include "platform.h"
     26 #include "taler-merchant-httpd_patch-private-categories-CATEGORY_ID.h"
     27 #include "taler-merchant-httpd_helper.h"
     28 #include <taler/taler_json_lib.h>
     29 #include "merchant-database/update_category.h"
     30 
     31 
     32 enum MHD_Result
     33 TMH_private_patch_categories_ID (const struct TMH_RequestHandler *rh,
     34                                  struct MHD_Connection *connection,
     35                                  struct TMH_HandlerContext *hc)
     36 {
     37   struct TMH_MerchantInstance *mi = hc->instance;
     38   unsigned long long cnum;
     39   char dummy;
     40   const char *category_name;
     41   json_t *oempty = NULL;
     42   const json_t *category_name_i18n = NULL;
     43   struct GNUNET_JSON_Specification spec[] = {
     44     GNUNET_JSON_spec_string ("name",
     45                              &category_name),
     46     GNUNET_JSON_spec_mark_optional (
     47       GNUNET_JSON_spec_object_const ("name_i18n",
     48                                      &category_name_i18n),
     49       NULL),
     50     GNUNET_JSON_spec_end ()
     51   };
     52   enum GNUNET_DB_QueryStatus qs;
     53 
     54   GNUNET_assert (NULL != mi);
     55   GNUNET_assert (NULL != hc->infix);
     56   if (1 != sscanf (hc->infix,
     57                    "%llu%c",
     58                    &cnum,
     59                    &dummy))
     60   {
     61     GNUNET_break_op (0);
     62     return TALER_MHD_reply_with_error (connection,
     63                                        MHD_HTTP_BAD_REQUEST,
     64                                        TALER_EC_GENERIC_PARAMETER_MALFORMED,
     65                                        "category_id must be a number");
     66   }
     67 
     68   {
     69     enum GNUNET_GenericReturnValue res;
     70 
     71     res = TALER_MHD_parse_json_data (connection,
     72                                      hc->request_body,
     73                                      spec);
     74     if (GNUNET_OK != res)
     75       return (GNUNET_NO == res)
     76              ? MHD_YES
     77              : MHD_NO;
     78   }
     79   if (NULL == category_name_i18n)
     80   {
     81     /* NULL is not allowed in the DB, substitute with empty object */
     82     oempty = json_object ();
     83     category_name_i18n = oempty;
     84   }
     85 
     86   qs = TALER_MERCHANTDB_update_category (TMH_db,
     87                                          mi->settings.id,
     88                                          cnum,
     89                                          category_name,
     90                                          category_name_i18n);
     91   json_decref (oempty);
     92   {
     93     enum MHD_Result ret = MHD_NO;
     94 
     95     switch (qs)
     96     {
     97     case GNUNET_DB_STATUS_HARD_ERROR:
     98       GNUNET_break (0);
     99       ret = TALER_MHD_reply_with_error (connection,
    100                                         MHD_HTTP_INTERNAL_SERVER_ERROR,
    101                                         TALER_EC_GENERIC_DB_STORE_FAILED,
    102                                         "update_category");
    103       break;
    104     case GNUNET_DB_STATUS_SOFT_ERROR:
    105       GNUNET_break (0);
    106       ret = TALER_MHD_reply_with_error (connection,
    107                                         MHD_HTTP_INTERNAL_SERVER_ERROR,
    108                                         TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE,
    109                                         "unexpected serialization problem");
    110       break;
    111     case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
    112       ret = TALER_MHD_reply_with_error (connection,
    113                                         MHD_HTTP_NOT_FOUND,
    114                                         TALER_EC_MERCHANT_GENERIC_CATEGORY_UNKNOWN,
    115                                         category_name);
    116       break;
    117     case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
    118       ret = TALER_MHD_reply_static (connection,
    119                                     MHD_HTTP_NO_CONTENT,
    120                                     NULL,
    121                                     NULL,
    122                                     0);
    123       break;
    124     }
    125     GNUNET_JSON_parse_free (spec);
    126     return ret;
    127   }
    128 }
    129 
    130 
    131 /* end of taler-merchant-httpd_patch-private-categories-CATEGORY_ID.c */