Resolves 4 / 4.1

- resolves 4.1 (entirety of No. 4)

Author: samlane-ma

budgie-weathershow/src/desktop_weather/desktop_weather.vala

@@ -134,9 +134,8 @@ public class DesktopWeather : Gtk.Window {
         this.set_visual(visual);
         this.draw.connect(on_draw);
         // monitored datafile
-        string username = Environment.get_user_name();
-        var tmp = Environment.get_tmp_dir() + "/";
-        string src = tmp.concat(username, "_weatherdata");
+        string tmpdir = Environment.get_variable("XDG_RUNTIME_DIR") ?? Environment.get_variable("HOME");
+        string src = GLib.Path.build_path(GLib.Path.DIR_SEPARATOR_S, tmpdir, ".weatherdata");
         datasrc = File.new_for_path(src);
         // report
         maingrid = new Gtk.Grid();

budgie-weathershow/src/weathershow/WeatherShow.vala

@@ -348,9 +348,8 @@ namespace WeatherShowApplet {
             string result_current = weather_obj.get_current();
             // write to file only for desktop show
             if (show_ondesktop == true) {
-                string username = Environment.get_user_name();
-                var tmp = Environment.get_tmp_dir() + "/";
-                string src = tmp.concat(username, "_weatherdata");
+                string tmpdir = Environment.get_variable("XDG_RUNTIME_DIR") ?? Environment.get_variable("HOME");
+                string src = GLib.Path.build_path(GLib.Path.DIR_SEPARATOR_S, tmpdir, ".weatherdata");
                 WeatherShowFunctions.write_tofile(src, result_current);
             }
         }