Fix: Ref source in server function only

src/functions.liq

@@ -19,7 +19,7 @@
 
 
 # Builds a metadata object from data passed as JSON
-def build_metadata(s, json_string) =
+def build_metadata(json_string) =
     let json.parse (data : {
             show_name: string,
             show_id: int,
@@ -33,9 +33,6 @@ def build_metadata(s, json_string) =
             track_album: string,
             track_artist: string,
         }) = json_string
-    log("Received JSON to set track metadata on channel \
-        '#{source.id(s)}' to:\n #{data}")
-
     [
         ("show_name", data.show_name),
         ("show_id", "#{data.show_id}"),

src/in_stream.liq

@@ -61,7 +61,9 @@ server.register(namespace=source.id(input_http_0),
     "set_track_metadata",
 
     fun (json_string) -> begin
-        metadata = build_metadata(input_http_0, json_string)
+        log("Received JSON to set track metadata on channel \
+            '#{source.id(input_http_0)}' to:\n #{json_string}")
+        metadata = build_metadata(json_string)
         input_http_0.insert_metadata(metadata)
         "OK"
     end
@@ -74,7 +76,9 @@ server.register(namespace=source.id(input_http_1),
     "set_track_metadata",
 
     fun (json_string) -> begin
-        metadata = build_metadata(input_http_1, json_string)
+        log("Received JSON to set track metadata on channel \
+            '#{source.id(input_http_1)}' to:\n #{json_string}")
+        metadata = build_metadata(json_string)
         input_http_1.insert_metadata(metadata)
         "OK"
     end