[taler-anastasis] branch master updated: add update_policy transition to reducer

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grothoff pushed a commit to branch master
in repository anastasis.

The following commit(s) were added to refs/heads/master by this push:
     new 5abc489  add update_policy transition to reducer
5abc489 is described below

commit 5abc48960e9406e605c1032929716665b5895877
Author: Christian Grothoff <grothoff@gnunet.org>
AuthorDate: Sun Jul 4 21:35:56 2021 +0200

    add update_policy transition to reducer
---
 src/reducer/anastasis_api_backup_redux.c | 73 ++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/src/reducer/anastasis_api_backup_redux.c 
b/src/reducer/anastasis_api_backup_redux.c
index 72c8f27..c3cfeb2 100644
--- a/src/reducer/anastasis_api_backup_redux.c
+++ b/src/reducer/anastasis_api_backup_redux.c
@@ -1962,6 +1962,74 @@ add_policy (json_t *state,
 }
 
 
+/* ******************** update_policy ******************* */
+
+
+/**
+ * DispatchHandler/Callback function which is called for a
+ * "update_policy" action.
+ *
+ * @param state state to operate on
+ * @param arguments arguments to use for operation on state
+ * @param cb callback to call during/after operation
+ * @param cb_cls callback closure
+ * @return NULL
+ */
+static struct ANASTASIS_ReduxAction *
+update_policy (json_t *state,
+               const json_t *arguments,
+               ANASTASIS_ActionCallback cb,
+               void *cb_cls)
+{
+  const json_t *idx;
+  size_t index;
+  json_t *policy_arr;
+
+  if (NULL == arguments)
+  {
+    ANASTASIS_redux_fail_ (cb,
+                           cb_cls,
+                           TALER_EC_ANASTASIS_REDUCER_INPUT_INVALID,
+                           "arguments missing");
+    return NULL;
+  }
+  idx = json_object_get (arguments,
+                         "policy_index");
+  if (! json_is_integer (idx))
+  {
+    ANASTASIS_redux_fail_ (cb,
+                           cb_cls,
+                           TALER_EC_ANASTASIS_REDUCER_INPUT_INVALID,
+                           "'policy_index' must be an integer");
+    return NULL;
+  }
+  index = json_integer_value (idx);
+  policy_arr = json_object_get (state,
+                                "policies");
+  if (! json_is_array (policy_arr))
+  {
+    ANASTASIS_redux_fail_ (cb,
+                           cb_cls,
+                           TALER_EC_ANASTASIS_REDUCER_STATE_INVALID,
+                           "'policies' must be an array");
+    return NULL;
+  }
+  if (0 != json_array_remove (policy_arr,
+                              index))
+  {
+    ANASTASIS_redux_fail_ (cb,
+                           cb_cls,
+                           TALER_EC_ANASTASIS_REDUCER_INPUT_INVALID_FOR_STATE,
+                           "removal failed");
+    return NULL;
+  }
+  return add_policy (state,
+                     arguments,
+                     cb,
+                     cb_cls);
+}
+
+
 /* ******************** del_policy ******************* */
 
 
@@ -3863,6 +3931,11 @@ ANASTASIS_backup_action_ (json_t *state,
       "add_policy",
       &add_policy
     },
+    {
+      ANASTASIS_BACKUP_STATE_POLICIES_REVIEWING,
+      "update_policy",
+      &update_policy
+    },
     {
       ANASTASIS_BACKUP_STATE_POLICIES_REVIEWING,
       "delete_policy",

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