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