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-rw-r--r--src/exchangedb/pg_select_satisfied_kyc_processes.c141
1 files changed, 141 insertions, 0 deletions
diff --git a/src/exchangedb/pg_select_satisfied_kyc_processes.c b/src/exchangedb/pg_select_satisfied_kyc_processes.c
new file mode 100644
index 000000000..e0d884ef1
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+++ b/src/exchangedb/pg_select_satisfied_kyc_processes.c
@@ -0,0 +1,141 @@
+/*
+ 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 exchangedb/pg_select_satisfied_kyc_processes.c
+ * @brief Implementation of the select_satisfied_kyc_processes 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_select_satisfied_kyc_processes.h"
+#include "pg_helper.h"
+
+
+/**
+ * Closure for #get_legitimizations_cb().
+ */
+struct GetLegitimizationsContext
+{
+ /**
+ * Function to call per result.
+ */
+ TALER_EXCHANGEDB_SatisfiedProviderCallback cb;
+
+ /**
+ * Closure for @e cb.
+ */
+ void *cb_cls;
+
+ /**
+ * Plugin context.
+ */
+ struct PostgresClosure *pg;
+
+ /**
+ * 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 GetLegitimizationsContext *`
+ * @param result SQL result
+ * @param num_results number of rows in @a result
+ */
+static void
+get_legitimizations_cb (void *cls,
+ PGresult *result,
+ unsigned int num_results)
+{
+ struct GetLegitimizationsContext *ctx = cls;
+
+ for (unsigned int i = 0; i < num_results; i++)
+ {
+ char *provider_section;
+ struct GNUNET_PQ_ResultSpec rs[] = {
+ GNUNET_PQ_result_spec_string ("provider_section",
+ &provider_section),
+ GNUNET_PQ_result_spec_end
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_PQ_extract_result (result,
+ rs,
+ i))
+ {
+ GNUNET_break (0);
+ ctx->status = GNUNET_SYSERR;
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Found satisfied LEGI: %s\n",
+ provider_section);
+ ctx->cb (ctx->cb_cls,
+ provider_section);
+ GNUNET_PQ_cleanup_result (rs);
+ }
+}
+
+
+enum GNUNET_DB_QueryStatus
+TEH_PG_select_satisfied_kyc_processes (
+ void *cls,
+ const struct TALER_PaytoHashP *h_payto,
+ TALER_EXCHANGEDB_SatisfiedProviderCallback spc,
+ void *spc_cls)
+{
+ struct PostgresClosure *pg = cls;
+ struct GNUNET_TIME_Absolute now
+ = GNUNET_TIME_absolute_get ();
+ struct GNUNET_PQ_QueryParam params[] = {
+ GNUNET_PQ_query_param_auto_from_type (h_payto),
+ GNUNET_PQ_query_param_absolute_time (&now),
+ GNUNET_PQ_query_param_end
+ };
+ struct GetLegitimizationsContext ctx = {
+ .cb = spc,
+ .cb_cls = spc_cls,
+ .pg = pg,
+ .status = GNUNET_OK
+ };
+ enum GNUNET_DB_QueryStatus qs;
+
+ PREPARE (pg,
+ "get_satisfied_legitimizations",
+ "SELECT "
+ " provider_section"
+ " FROM legitimization_processes"
+ " WHERE h_payto=$1"
+ " AND expiration_time>=$2;");
+ qs = GNUNET_PQ_eval_prepared_multi_select (
+ pg->conn,
+ "get_satisfied_legitimizations",
+ params,
+ &get_legitimizations_cb,
+ &ctx);
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "Satisfied LEGI check returned %d\n",
+ qs);
+ if (GNUNET_OK != ctx.status)
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ return qs;
+}