Line data    Source code

       1              : /*
       2              :   This file is part of TALER
       3              :   (C) 2020, 2021 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 taler-merchant-httpd_private-post-products-ID-lock.c
      22              :  * @brief implementing POST /products/$ID/lock request handling
      23              :  * @author Christian Grothoff
      24              :  */
      25              : #include "platform.h"
      26              : #include "taler-merchant-httpd_private-post-products-ID-lock.h"
      27              : #include "taler-merchant-httpd_helper.h"
      28              : #include <taler/taler_json_lib.h>
      29              : 
      30              : 
      31              : MHD_RESULT
      32           10 : TMH_private_post_products_ID_lock (
      33              :   const struct TMH_RequestHandler *rh,
      34              :   struct MHD_Connection *connection,
      35              :   struct TMH_HandlerContext *hc)
      36              : {
      37           10 :   struct TMH_MerchantInstance *mi = hc->instance;
      38           10 :   const char *product_id = hc->infix;
      39              :   enum GNUNET_DB_QueryStatus qs;
      40              :   const char *uuids;
      41              :   struct GNUNET_Uuid uuid;
      42              :   uint32_t quantity;
      43              :   struct GNUNET_TIME_Relative duration;
      44              :   struct GNUNET_JSON_Specification spec[] = {
      45           10 :     GNUNET_JSON_spec_string ("lock_uuid",
      46              :                              &uuids),
      47           10 :     GNUNET_JSON_spec_relative_time ("duration",
      48              :                                     &duration),
      49           10 :     GNUNET_JSON_spec_uint32 ("quantity",
      50              :                              &quantity),
      51           10 :     GNUNET_JSON_spec_end ()
      52              :   };
      53              : 
      54           10 :   GNUNET_assert (NULL != mi);
      55           10 :   GNUNET_assert (NULL != product_id);
      56              :   {
      57              :     enum GNUNET_GenericReturnValue res;
      58              : 
      59           10 :     res = TALER_MHD_parse_json_data (connection,
      60           10 :                                      hc->request_body,
      61              :                                      spec);
      62           10 :     if (GNUNET_OK != res)
      63              :       return (GNUNET_NO == res)
      64              :              ? MHD_YES
      65            0 :              : MHD_NO;
      66              :   }
      67           10 :   TMH_uuid_from_string (uuids,
      68              :                         &uuid);
      69           10 :   TMH_db->expire_locks (TMH_db->cls);
      70           10 :   qs = TMH_db->lock_product (TMH_db->cls,
      71           10 :                              mi->settings.id,
      72              :                              product_id,
      73              :                              &uuid,
      74              :                              quantity,
      75              :                              GNUNET_TIME_relative_to_timestamp (duration));
      76           10 :   switch (qs)
      77              :   {
      78            0 :   case GNUNET_DB_STATUS_HARD_ERROR:
      79            0 :     return TALER_MHD_reply_with_error (
      80              :       connection,
      81              :       MHD_HTTP_INTERNAL_SERVER_ERROR,
      82              :       TALER_EC_GENERIC_DB_STORE_FAILED,
      83              :       NULL);
      84            0 :   case GNUNET_DB_STATUS_SOFT_ERROR:
      85            0 :     GNUNET_break (0);
      86            0 :     return TALER_MHD_reply_with_error (
      87              :       connection,
      88              :       MHD_HTTP_INTERNAL_SERVER_ERROR,
      89              :       TALER_EC_GENERIC_INTERNAL_INVARIANT_FAILURE,
      90              :       "Serialization error for single-statment request");
      91            5 :   case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
      92              :     {
      93            5 :       size_t num_categories = 0;
      94            5 :       uint64_t *categories = NULL;
      95              : 
      96            5 :       qs = TMH_db->lookup_product (TMH_db->cls,
      97            5 :                                    mi->settings.id,
      98              :                                    product_id,
      99              :                                    NULL,
     100              :                                    &num_categories,
     101              :                                    &categories);
     102            5 :       if (GNUNET_DB_STATUS_HARD_ERROR == qs)
     103            2 :         return TALER_MHD_reply_with_error (
     104              :           connection,
     105              :           MHD_HTTP_INTERNAL_SERVER_ERROR,
     106              :           TALER_EC_GENERIC_DB_STORE_FAILED,
     107              :           "lookup_product");
     108            5 :       if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS == qs)
     109            2 :         return TALER_MHD_reply_with_error (
     110              :           connection,
     111              :           MHD_HTTP_NOT_FOUND,
     112              :           TALER_EC_MERCHANT_GENERIC_PRODUCT_UNKNOWN,
     113              :           product_id);
     114            3 :       GNUNET_free (categories);
     115              :     }
     116            3 :     return TALER_MHD_reply_with_error (
     117              :       connection,
     118              :       MHD_HTTP_GONE,
     119              :       TALER_EC_MERCHANT_PRIVATE_POST_PRODUCTS_LOCK_INSUFFICIENT_STOCKS,
     120              :       product_id);
     121            5 :   case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
     122            5 :     return TALER_MHD_reply_static (connection,
     123              :                                    MHD_HTTP_NO_CONTENT,
     124              :                                    NULL,
     125              :                                    NULL,
     126              :                                    0);
     127              :   }
     128            0 :   GNUNET_assert (0);
     129              :   return MHD_NO;
     130              : }
     131              : 
     132              : 
     133              : /* end of taler-merchant-httpd_private-patch-products-ID-lock.c */