diff options
Diffstat (limited to 'src/backenddb/pg_mark_contract_paid.c')
| -rw-r--r-- | src/backenddb/pg_mark_contract_paid.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/backenddb/pg_mark_contract_paid.c b/src/backenddb/pg_mark_contract_paid.c new file mode 100644 index 00000000..1119dd76 --- /dev/null +++ b/src/backenddb/pg_mark_contract_paid.c @@ -0,0 +1,112 @@ +/* + This file is part of TALER + Copyright (C) 2022 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR + A PARTICULAR PURPOSE. See the GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> + */ +/** + * @file backenddb/pg_mark_contract_paid.c + * @brief Implementation of the mark_contract_paid function for Postgres + * @author Iván Ávalos + */ +#include "platform.h" +#include <taler/taler_error_codes.h> +#include <taler/taler_dbevents.h> +#include <taler/taler_pq_lib.h> +#include "pg_mark_contract_paid.h" +#include "pg_helper.h" + +enum GNUNET_DB_QueryStatus +TMH_PG_mark_contract_paid ( + void *cls, + const char *instance_id, + const struct TALER_PrivateContractHashP *h_contract_terms, + const char *session_id) +{ + struct PostgresClosure *pg = cls; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_string (instance_id), + GNUNET_PQ_query_param_auto_from_type (h_contract_terms), + GNUNET_PQ_query_param_string (session_id), + GNUNET_PQ_query_param_end + }; + struct GNUNET_PQ_QueryParam uparams[] = { + GNUNET_PQ_query_param_string (instance_id), + GNUNET_PQ_query_param_auto_from_type (h_contract_terms), + GNUNET_PQ_query_param_end + }; + enum GNUNET_DB_QueryStatus qs; + + /* Session ID must always be given by the caller. */ + GNUNET_assert (NULL != session_id); + + /* no preflight check here, run in transaction by caller! */ + GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, + "Marking h_contract_terms '%s' of %s as paid for session `%s'\n", + GNUNET_h2s (&h_contract_terms->hash), + instance_id, + session_id); + PREPARE (pg, + "mark_contract_paid", + "UPDATE merchant_contract_terms SET" + " paid=TRUE" + ",session_id=$3" + " WHERE h_contract_terms=$2" + " AND merchant_serial=" + " (SELECT merchant_serial" + " FROM merchant_instances" + " WHERE merchant_id=$1)"); + qs = GNUNET_PQ_eval_prepared_non_select (pg->conn, + "mark_contract_paid", + params); + if (qs <= 0) + return qs; + PREPARE (pg, + "mark_inventory_sold", + "UPDATE merchant_inventory SET" + " total_sold=total_sold + order_locks.total_locked" + " FROM (SELECT total_locked,product_serial" + " FROM merchant_order_locks" + " WHERE order_serial=" + " (SELECT order_serial" + " FROM merchant_contract_terms" + " WHERE h_contract_terms=$2" + " AND merchant_serial=" + " (SELECT merchant_serial" + " FROM merchant_instances" + " WHERE merchant_id=$1))" + " ) AS order_locks" + " WHERE merchant_inventory.product_serial" + " =order_locks.product_serial"); + qs = GNUNET_PQ_eval_prepared_non_select (pg->conn, + "mark_inventory_sold", + uparams); + if (qs < 0) + return qs; /* 0: no inventory management, that's OK! */ + /* ON DELETE CASCADE deletes from merchant_order_locks */ + PREPARE (pg, + "delete_completed_order", + "WITH md AS" + " (SELECT merchant_serial" + " FROM merchant_instances" + " WHERE merchant_id=$1) " + "DELETE" + " FROM merchant_orders" + " WHERE order_serial=" + " (SELECT order_serial" + " FROM merchant_contract_terms" + " JOIN md USING (merchant_serial)" + " WHERE h_contract_terms=$2)"); + return GNUNET_PQ_eval_prepared_non_select (pg->conn, + "delete_completed_order", + uparams); +} |