only cache on success

2 files changed, 11 insertions, 2 deletions

diff --git a/main.lua b/main.lua
index 926a455..9b9a697 100644
--- a/main.lua
+++ b/main.lua
@@ -126,6 +126,10 @@ local function cached_xc_call(method)
 	end
 
 	local data = xc[method](xc)
+	if not data then
+		return
+	end
+
 	util.write_json_file(path, data)
 	return data
 end
@@ -698,7 +702,6 @@ end
 
 local function series_group_menu_options(series)
 	local info = xc:get_series_info(series.series_id)
-
 	if not info or not info.seasons then
 		return {}
 	end
diff --git a/xc.lua b/xc.lua
index b96d2a1..723f9cb 100644
--- a/xc.lua
+++ b/xc.lua
@@ -37,7 +37,10 @@ function mt:get(path, params)
 end
 
 function mt:api_get(params)
-	return mp_utils.parse_json(self:get('/player_api.php', params))
+	local json = self:get('/player_api.php', params)
+	if json then
+		return mp_utils.parse_json(json)
+	end
 end
 
 function mt:get_live_categories()
@@ -74,6 +77,9 @@ end
 
 function mt:get_epg()
 	local xml = self:get('/xmltv.php')
+	if not xml then
+		return
+	end
 
 	-- this is a bit retarded, but using python to convert xml to json
 	-- avoids having to write an xml parser or pull in external