[Minor] Rework redis servers config parsing

diff --git a/lualib/lua_bayes_redis.lua b/lualib/lua_bayes_redis.lua
index 5ad5c35148a866ac11311ad6118e7a7e038a0bf6..6f6da339e12a423cbe86c2aaf80d90d3eee7ba8a 100644 (file)
--- a/lualib/lua_bayes_redis.lua
+++ b/lualib/lua_bayes_redis.lua
@@ -66,12 +66,7 @@ local function gen_learn_functor(redis_params, learn_script_id)
   end
 end
 
----
---- Init bayes classifier
---- @param classifier_ucl ucl of the classifier config
---- @param statfile_ucl ucl of the statfile config
---- @return a pair of (classify_functor, learn_functor) or `nil` in case of error
-exports.lua_bayes_init_statfile = function(classifier_ucl, statfile_ucl, symbol, is_spam, ev_base, stat_periodic_cb)
+local function load_redis_params(classifier_ucl, statfile_ucl)
   local redis_params
 
   -- Try load from statfile options
@@ -108,6 +103,22 @@ exports.lua_bayes_init_statfile = function(classifier_ucl, statfile_ucl, symbol,
     return nil
   end
 
+  return redis_params
+end
+
+---
+--- Init bayes classifier
+--- @param classifier_ucl ucl of the classifier config
+--- @param statfile_ucl ucl of the statfile config
+--- @return a pair of (classify_functor, learn_functor) or `nil` in case of error
+exports.lua_bayes_init_statfile = function(classifier_ucl, statfile_ucl, symbol, is_spam, ev_base, stat_periodic_cb)
+
+  local redis_params = load_redis_params(classifier_ucl, statfile_ucl)
+
+  if not redis_params then
+    return nil
+  end
+
   local classify_script_id = lua_redis.load_redis_script_from_file("bayes_classify.lua", redis_params)
   local learn_script_id = lua_redis.load_redis_script_from_file("bayes_learn.lua", redis_params)
   local stat_script_id = lua_redis.load_redis_script_from_file("bayes_stat.lua", redis_params)
@@ -161,4 +172,12 @@ exports.lua_bayes_init_statfile = function(classifier_ucl, statfile_ucl, symbol,
   return gen_classify_functor(redis_params, classify_script_id), gen_learn_functor(redis_params, learn_script_id)
 end
 
+exports.lua_bayes_init_cache = function(classifier_ucl, statfile_ucl)
+  local redis_params = load_redis_params(classifier_ucl, statfile_ucl)
+
+  if not redis_params then
+    return nil
+  end
+end
+
 return exports