Change. library loads only needed files. (#2987)

resources/install/scripts/call_flow.lua

@@ -31,16 +31,13 @@
 --include config.lua
 	require "resources.functions.config";
 
+--create logger object
+	log = require "resources.functions.log".call_flow
+
 --additional includes
 	local presence_in = require "resources.functions.presence_in"
 	local Database    = require "resources.functions.database"
-	local Settings    = require "resources.functions.lazy_settings"
-	file        = require "resources.functions.file"
-	log         = require "resources.functions.log".call_flow
-	require "resources.functions.basename"
-	require "resources.functions.is_absolute_path"
-	require "resources.functions.find_file"
-	require "resources.functions.play_file"
+	local play_file   = require "resources.functions.play_file"
 
 --include json library
 	local json
@@ -52,19 +49,16 @@
 	local dbh = Database.new('system');
 
 --get the variables
-	if (session:ready()) then
-		domain_name = session:getVariable("domain_name");
-		domain_uuid = session:getVariable("domain_uuid");
-		call_flow_uuid = session:getVariable("call_flow_uuid");
-		sounds_dir = session:getVariable("sounds_dir");
-		feature_code = session:getVariable("feature_code");
-	end
+	if not session:ready() then return end
 
---set the sounds path for the language, dialect and voice
-	if (session:ready()) then
-		local default_language = session:getVariable("default_language") or 'en';
-		local default_dialect = session:getVariable("default_dialect") or 'us';
-		local default_voice = session:getVariable("default_voice") or 'callie';
+	local domain_name = session:getVariable("domain_name");
+	local domain_uuid = session:getVariable("domain_uuid");
+	local call_flow_uuid = session:getVariable("call_flow_uuid");
+	local feature_code = session:getVariable("feature_code");
+
+	if not call_flow_uuid then
+		log.warning('Can not get call flow uuid')
+		return
 	end
 
 --get the call flow details
@@ -179,6 +173,7 @@
 			if (session:ready()) then
 				session:execute(app, data);
 			end
+
 		--timeout application
 			--if (not session:answered()) then
 			--	session:execute(ring_group_timeout_app, ring_group_timeout_data);

resources/install/scripts/resources/functions/basename.lua

@@ -1,3 +1,5 @@
 function basename(file_name)
 	return (string.match(file_name, "([^/]+)$"))
 end
+
+return basename

resources/install/scripts/resources/functions/file.lua

@@ -2,7 +2,7 @@
 	pcall(require, "resources.functions.base64")
 
 -- load logger for file library
-	local log = require "resources.functions.log".file
+	local log = log or require "resources.functions.log"[app_name or 'file']
 
 local base64 = base64
 

resources/install/scripts/resources/functions/find_file.lua

@@ -1,6 +1,11 @@
+local log = log or require "resources.functions.log"[app_name or 'find_file']
+
+local file             = require "resources.functions.file"
+local Settings         = require "resources.functions.lazy_settings"
+local basename         = require "resources.functions.basename"
+local is_absolute_path = require "resources.functions.is_absolute_path"
 
 function find_file(dbh, domain_name, domain_uuid, file_name)
-
 	-- if we specify e.g. full path
 	if (is_absolute_path(file_name) and file.exists(file_name)) then
 		log.debugf('found file `%s` in file system', file_name)
@@ -43,14 +48,16 @@ function find_file(dbh, domain_name, domain_uuid, file_name)
 	if not found then
 		local sounds_dir
 		if session then
-			-- Implemented based on stream.lua. But seems it never works.
-			-- because if we have file like `digits/1.wav` but full_path is `sounds_dir/digits/XXXX/1.wav`
-			sounds_dir = session:getVariable("sounds_dir")
-			local default_language = session:getVariable("default_language") or 'en'
-			local default_dialect = session:getVariable("default_dialect") or 'us'
-			local default_voice = session:getVariable("default_voice") or 'callie'
+			if session:ready() then
+				-- Implemented based on stream.lua. But seems it never works.
+				-- because if we have file like `digits/1.wav` but full_path is `sounds_dir/digits/XXXX/1.wav`
+				sounds_dir = session:getVariable("sounds_dir")
+				local default_language = session:getVariable("default_language") or 'en'
+				local default_dialect = session:getVariable("default_dialect") or 'us'
+				local default_voice = session:getVariable("default_voice") or 'callie'
 
-			sounds_dir = sounds_dir.."/"..default_language.."/"..default_dialect.."/"..default_voice
+				sounds_dir = sounds_dir.."/"..default_language.."/"..default_dialect.."/"..default_voice
+			end
 		else
 			--! @todo implement for not session call.
 		end
@@ -70,3 +77,5 @@ function find_file(dbh, domain_name, domain_uuid, file_name)
 
 	return file_name, is_base64
 end
+
+return find_file

resources/install/scripts/resources/functions/is_absolute_path.lua

@@ -1,3 +1,5 @@
 function is_absolute_path(file_name)
 	return string.sub(file_name, 1, 1) == '/' or string.sub(file_name, 2, 1) == ':'
 end
+
+return is_absolute_path

resources/install/scripts/resources/functions/play_file.lua

@@ -1,3 +1,6 @@
+local log = log or require "resources.functions.log"[app_name or 'play_file']
+local find_file = require "resources.functions.find_file"
+
 function play_file(dbh, domain_name, domain_uuid, file_name)
 	local full_path, is_base64 = find_file(dbh, domain_name, domain_uuid, file_name)
 	if not full_path then
@@ -8,3 +11,5 @@ function play_file(dbh, domain_name, domain_uuid, file_name)
 	end
 	session:execute("playback", full_path);
 end
+
+return play_file