diff options
Diffstat (limited to 'src/exchangedb/pg_get_wire_accounts.c')
-rw-r--r-- | src/exchangedb/pg_get_wire_accounts.c | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/src/exchangedb/pg_get_wire_accounts.c b/src/exchangedb/pg_get_wire_accounts.c new file mode 100644 index 000000000..9770be719 --- /dev/null +++ b/src/exchangedb/pg_get_wire_accounts.c @@ -0,0 +1,169 @@ +/* + This file is part of TALER + Copyright (C) 2022, 2024 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 exchangedb/pg_get_wire_accounts.c + * @brief Implementation of the get_wire_accounts function for Postgres + * @author Christian Grothoff + */ +#include "platform.h" +#include "taler_error_codes.h" +#include "taler_dbevents.h" +#include "taler_pq_lib.h" +#include "pg_get_wire_accounts.h" +#include "pg_helper.h" + + +/** + * Closure for #get_wire_accounts_cb(). + */ +struct GetWireAccountsContext +{ + /** + * Function to call per result. + */ + TALER_EXCHANGEDB_WireAccountCallback cb; + + /** + * Closure for @e cb. + */ + void *cb_cls; + + /** + * Flag set to #GNUNET_OK as long as everything is fine. + */ + enum GNUNET_GenericReturnValue status; + +}; + + +/** + * Invoke the callback for each result. + * + * @param cls a `struct MissingWireContext *` + * @param result SQL result + * @param num_results number of rows in @a result + */ +static void +get_wire_accounts_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct GetWireAccountsContext *ctx = cls; + + for (unsigned int i = 0; i < num_results; i++) + { + char *payto_uri; + char *conversion_url = NULL; + json_t *debit_restrictions = NULL; + json_t *credit_restrictions = NULL; + struct TALER_MasterSignatureP master_sig; + char *bank_label = NULL; + int64_t priority; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_string ("payto_uri", + &payto_uri), + GNUNET_PQ_result_spec_allow_null ( + GNUNET_PQ_result_spec_string ("conversion_url", + &conversion_url), + NULL), + GNUNET_PQ_result_spec_allow_null ( + GNUNET_PQ_result_spec_string ("bank_label", + &bank_label), + NULL), + GNUNET_PQ_result_spec_int64 ("priority", + &priority), + GNUNET_PQ_result_spec_allow_null ( + TALER_PQ_result_spec_json ("debit_restrictions", + &debit_restrictions), + NULL), + GNUNET_PQ_result_spec_allow_null ( + TALER_PQ_result_spec_json ("credit_restrictions", + &credit_restrictions), + NULL), + GNUNET_PQ_result_spec_auto_from_type ("master_sig", + &master_sig), + GNUNET_PQ_result_spec_end + }; + + if (GNUNET_OK != + GNUNET_PQ_extract_result (result, + rs, + i)) + { + GNUNET_break (0); + ctx->status = GNUNET_SYSERR; + return; + } + if (NULL == debit_restrictions) + { + debit_restrictions = json_array (); + GNUNET_assert (NULL != debit_restrictions); + } + if (NULL == credit_restrictions) + { + credit_restrictions = json_array (); + GNUNET_assert (NULL != credit_restrictions); + } + ctx->cb (ctx->cb_cls, + payto_uri, + conversion_url, + debit_restrictions, + credit_restrictions, + &master_sig, + bank_label, + priority); + GNUNET_PQ_cleanup_result (rs); + } +} + + +enum GNUNET_DB_QueryStatus +TEH_PG_get_wire_accounts (void *cls, + TALER_EXCHANGEDB_WireAccountCallback cb, + void *cb_cls) +{ + struct PostgresClosure *pg = cls; + struct GetWireAccountsContext ctx = { + .cb = cb, + .cb_cls = cb_cls, + .status = GNUNET_OK + }; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_end + }; + enum GNUNET_DB_QueryStatus qs; + + PREPARE (pg, + "get_wire_accounts", + "SELECT" + " payto_uri" + ",conversion_url" + ",debit_restrictions" + ",credit_restrictions" + ",master_sig" + ",bank_label" + ",priority" + " FROM wire_accounts" + " WHERE is_active"); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + "get_wire_accounts", + params, + &get_wire_accounts_cb, + &ctx); + if (GNUNET_OK != ctx.status) + return GNUNET_DB_STATUS_HARD_ERROR; + return qs; +} |