From 945821cbc842644f9d10de4ef36e8ef03d2d2253 Mon Sep 17 00:00:00 2001
From: Joseph <Joseph.xu@efrei.net>
Date: Thu, 10 Nov 2022 10:37:28 -0500
Subject: move few more functions

---
 src/exchangedb/pg_select_satisfied_kyc_processes.c | 152 +++++++++++++++++++++
 1 file changed, 152 insertions(+)
 create mode 100644 src/exchangedb/pg_select_satisfied_kyc_processes.c

(limited to 'src/exchangedb/pg_select_satisfied_kyc_processes.c')

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..f21915813
--- /dev/null
+++ b/src/exchangedb/pg_select_satisfied_kyc_processes.c
@@ -0,0 +1,152 @@
+/*
+   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_wire_fees_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;
+   /* Used in #postgres_select_satisfied_kyc_processes() */
+  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;
+}
-- 
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