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-rw-r--r--util/pubsub.lua12
1 files changed, 9 insertions, 3 deletions
diff --git a/util/pubsub.lua b/util/pubsub.lua
index e5e0cb7c..8a07c669 100644
--- a/util/pubsub.lua
+++ b/util/pubsub.lua
@@ -1,5 +1,6 @@
local events = require "util.events";
local cache = require "util.cache";
+local errors = require "util.error";
local service_mt = {};
@@ -510,7 +511,7 @@ local function check_preconditions(node_config, required_config)
end
for config_field, value in pairs(required_config) do
if node_config[config_field] ~= value then
- return false;
+ return false, config_field;
end
end
return true;
@@ -546,8 +547,13 @@ function service:publish(node, actor, id, item, requested_config) --> ok, err
node_obj = self.nodes[node];
elseif requested_config and not requested_config._defaults_only then
-- Check that node has the requested config before we publish
- if not check_preconditions(node_obj.config, requested_config) then
- return false, "precondition-not-met";
+ local ok, field = check_preconditions(node_obj.config, requested_config);
+ if not ok then
+ local err = errors.new({
+ type = "cancel", condition = "conflict", text = "Field does not match: "..field;
+ });
+ err.pubsub_condition = "precondition-not-met";
+ return false, err;
end
end
if not self.config.itemcheck(item) then