taler-merchant-httpd_get-management-instances.c (4231B)
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 add_instance (void *cls, 35 const struct GNUNET_HashCode *key, 36 void *value) 37 { 38 json_t *ja = cls; 39 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 pta = json_array (); 46 GNUNET_assert (NULL != pta); 47 for (struct TMH_WireMethod *wm = mi->wm_head; 48 NULL != wm; 49 wm = wm->next) 50 { 51 bool duplicate = false; 52 53 if (! wm->active) 54 continue; 55 /* Yes, O(n^2), but really how many bank accounts can an 56 instance realistically have for this to matter? */ 57 for (struct TMH_WireMethod *pm = mi->wm_head; 58 pm != wm; 59 pm = pm->next) 60 if (0 == strcasecmp (pm->wire_method, 61 wm->wire_method)) 62 { 63 duplicate = true; 64 break; 65 } 66 if (duplicate) 67 continue; 68 GNUNET_assert (0 == 69 json_array_append_new (pta, 70 json_string (wm->wire_method))); 71 } 72 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 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 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 ia = json_array (); 114 GNUNET_assert (NULL != ia); 115 GNUNET_CONTAINER_multihashmap_iterate (TMH_by_id_map, 116 &add_instance, 117 ia); 118 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 */