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 */