Line data    Source code

       1              : /*
       2              :   This file is part of TALER
       3              :   (C) 2019-2023 Taler Systems SA
       4              : 
       5              :   TALER is free software; you can redistribute it and/or modify it under the
       6              :   terms of the GNU Affero 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/backend/taler-merchant-httpd_get-management-instances.c
      18              :  * @brief implement GET /instances
      19              :  * @author Christian Grothoff
      20              :  */
      21              : #include "platform.h"
      22              : #include "taler-merchant-httpd_get-management-instances.h"
      23              : 
      24              : 
      25              : /**
      26              :  * Add merchant instance to our JSON array.
      27              :  *
      28              :  * @param cls a `json_t *` JSON array to build
      29              :  * @param key unused
      30              :  * @param value a `struct TMH_MerchantInstance *`
      31              :  * @return #GNUNET_OK (continue to iterate)
      32              :  */
      33              : static enum GNUNET_GenericReturnValue
      34            4 : add_instance (void *cls,
      35              :               const struct GNUNET_HashCode *key,
      36              :               void *value)
      37              : {
      38            4 :   json_t *ja = cls;
      39            4 :   struct TMH_MerchantInstance *mi = value;
      40              :   json_t *pta;
      41              : 
      42              :   (void) key;
      43              :   /* Compile array of all unique wire methods supported by this
      44              :      instance */
      45            4 :   pta = json_array ();
      46            4 :   GNUNET_assert (NULL != pta);
      47            4 :   for (struct TMH_WireMethod *wm = mi->wm_head;
      48            6 :        NULL != wm;
      49            2 :        wm = wm->next)
      50              :   {
      51            2 :     bool duplicate = false;
      52              : 
      53            2 :     if (! wm->active)
      54            0 :       continue;
      55              :     /* Yes, O(n^2), but really how many bank accounts can an
      56              :        instance realistically have for this to matter? */
      57            2 :     for (struct TMH_WireMethod *pm = mi->wm_head;
      58            2 :          pm != wm;
      59            0 :          pm = pm->next)
      60            0 :       if (0 == strcasecmp (pm->wire_method,
      61            0 :                            wm->wire_method))
      62              :       {
      63            0 :         duplicate = true;
      64            0 :         break;
      65              :       }
      66            2 :     if (duplicate)
      67            0 :       continue;
      68            2 :     GNUNET_assert (0 ==
      69              :                    json_array_append_new (pta,
      70              :                                           json_string (wm->wire_method)));
      71              :   }
      72            4 :   GNUNET_assert (0 ==
      73              :                  json_array_append_new (
      74              :                    ja,
      75              :                    GNUNET_JSON_PACK (
      76              :                      GNUNET_JSON_pack_string ("name",
      77              :                                               mi->settings.name),
      78              :                      GNUNET_JSON_pack_allow_null (
      79              :                        GNUNET_JSON_pack_string ("website",
      80              :                                                 mi->settings.website)),
      81              :                      GNUNET_JSON_pack_allow_null (
      82              :                        GNUNET_JSON_pack_string ("logo",
      83              :                                                 mi->settings.logo)),
      84              :                      GNUNET_JSON_pack_string ("id",
      85              :                                               mi->settings.id),
      86              :                      GNUNET_JSON_pack_data_auto ("merchant_pub",
      87              :                                                  &mi->merchant_pub),
      88              :                      GNUNET_JSON_pack_array_steal ("payment_targets",
      89              :                                                    pta),
      90              :                      GNUNET_JSON_pack_bool ("deleted",
      91              :                                             mi->deleted))));
      92            4 :   return GNUNET_OK;
      93              : }
      94              : 
      95              : 
      96              : /**
      97              :  * Handle a GET "/instances" request.
      98              :  *
      99              :  * @param rh context of the handler
     100              :  * @param connection the MHD connection to handle
     101              :  * @param[in,out] hc context with further information about the request
     102              :  * @return MHD result code
     103              :  */
     104              : enum MHD_Result
     105            5 : TMH_private_get_instances (const struct TMH_RequestHandler *rh,
     106              :                            struct MHD_Connection *connection,
     107              :                            struct TMH_HandlerContext *hc)
     108              : {
     109              :   json_t *ia;
     110              : 
     111              :   (void) rh;
     112              :   (void) hc;
     113            5 :   ia = json_array ();
     114            5 :   GNUNET_assert (NULL != ia);
     115            5 :   GNUNET_CONTAINER_multihashmap_iterate (TMH_by_id_map,
     116              :                                          &add_instance,
     117              :                                          ia);
     118            5 :   return TALER_MHD_REPLY_JSON_PACK (
     119              :     connection,
     120              :     MHD_HTTP_OK,
     121              :     GNUNET_JSON_pack_array_steal ("instances",
     122              :                                   ia));
     123              : }
     124              : 
     125              : 
     126              : /* end of taler-merchant-httpd_get-management-instances.c */