From d5f14ec8e71bf4bc983535dc74b7af04d651da45 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 19 Apr 2020 01:07:38 +0200
Subject: start on DELETE instance

---
 src/backend/Makefile.am                    |  2 ++
 src/backend/taler-merchant-httpd.c         |  3 ++-
 src/backenddb/plugin_merchantdb_postgres.c | 30 ++++++++++++++++++++++++++++++
 src/include/taler_merchantdb_plugin.h      | 26 ++++++++++++++++++++++++++
 4 files changed, 60 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/backend/Makefile.am b/src/backend/Makefile.am
index 025ac4cb..fb178799 100644
--- a/src/backend/Makefile.am
+++ b/src/backend/Makefile.am
@@ -23,6 +23,8 @@ taler_merchant_httpd_SOURCES = \
   taler-merchant-httpd_config.c taler-merchant-httpd_config.h \
   taler-merchant-httpd_exchanges.c taler-merchant-httpd_exchanges.h \
   taler-merchant-httpd_mhd.c taler-merchant-httpd_mhd.h \
+  taler-merchant-httpd_private-delete-instances-ID.c \
+    taler-merchant-httpd_private-delete-instances-ID.h \
   taler-merchant-httpd_private-get-instances.c \
     taler-merchant-httpd_private-get-instances.h \
   taler-merchant-httpd_private-get-instances-ID.c \
diff --git a/src/backend/taler-merchant-httpd.c b/src/backend/taler-merchant-httpd.c
index 7f6d4dde..fead294d 100644
--- a/src/backend/taler-merchant-httpd.c
+++ b/src/backend/taler-merchant-httpd.c
@@ -28,6 +28,7 @@
 #include "taler-merchant-httpd_config.h"
 #include "taler-merchant-httpd_exchanges.h"
 #include "taler-merchant-httpd_mhd.h"
+#include "taler-merchant-httpd_private-delete-instances-ID.h"
 #include "taler-merchant-httpd_private-get-instances.h"
 #include "taler-merchant-httpd_private-get-instances-ID.h"
 #include "taler-merchant-httpd_private-post-instances.h"
@@ -735,13 +736,13 @@ url_handler (void *cls,
       .method = MHD_HTTP_METHOD_GET,
       .handler = &TMH_private_get_instances_ID
     },
-#if 0
     /* DELETE /instances/$ID/: */
     {
       .url_prefix = "/",
       .method = MHD_HTTP_METHOD_DELETE,
       .handler = &TMH_private_delete_instances_ID
     },
+#if 0
     /* PATCH /instances/$ID/: */
     {
       .url_prefix = "/",
diff --git a/src/backenddb/plugin_merchantdb_postgres.c b/src/backenddb/plugin_merchantdb_postgres.c
index f9cdcad5..ecc47975 100644
--- a/src/backenddb/plugin_merchantdb_postgres.c
+++ b/src/backenddb/plugin_merchantdb_postgres.c
@@ -606,6 +606,36 @@ postgres_insert_account (
 }
 
 
+/**
+ * Delete private key of an instance from our database.
+ *
+ * @param cls closure
+ * @param merchant_pub public key of the instance
+ * @return database result code
+ */
+static enum GNUNET_DB_QueryStatus
+postgres_delete_instance_private_key (
+  void *cls,
+  const struct TALER_MerchantPublicKeyP *merchant_pub)
+{
+}
+
+
+/**
+ * Purge an instance and all associated information from our database.
+ * Highly likely to cause undesired data loss. Use with caution.
+ *
+ * @param cls closure
+ * @param merchant_pub public key of the instance
+ * @return database result code
+ */
+static enum GNUNET_DB_QueryStatus
+postgres_purge_instance (void *cls,
+                         const struct TALER_MerchantPublicKeyP *merchant_pub)
+{
+}
+
+
 /* ********************* OLD API ************************** */
 
 /**
diff --git a/src/include/taler_merchantdb_plugin.h b/src/include/taler_merchantdb_plugin.h
index 2d688dde..2bcf1987 100644
--- a/src/include/taler_merchantdb_plugin.h
+++ b/src/include/taler_merchantdb_plugin.h
@@ -384,6 +384,32 @@ struct TALER_MERCHANTDB_Plugin
     const struct TALER_MERCHANTDB_AccountDetails *account_details);
 
 
+  /**
+   * Delete private key of an instance from our database.
+   *
+   * @param cls closure
+   * @param merchant_pub public key of the instance
+   * @return database result code
+   */
+  enum GNUNET_DB_QueryStatus
+  (*delete_instance_private_key)(
+    void *cls,
+    const struct TALER_MerchantPublicKeyP *merchant_pub);
+
+
+  /**
+   * Purge an instance and all associated information from our database.
+   * Highly likely to cause undesired data loss. Use with caution.
+   *
+   * @param cls closure
+   * @param merchant_pub public key of the instance
+   * @return database result code
+   */
+  enum GNUNET_DB_QueryStatus
+  (*purge_instance)(void *cls,
+                    const struct TALER_MerchantPublicKeyP *merchant_pub);
+
+
   /* ****************** OLD API ******************** */
 
   /**
-- 
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