Add a Refresh context menu

The original implementation was very invasive and touched almost every
API to pass a parameter `use_cache` so the specific cache would be
invalidated.

This is easier but as effective.

resources/lib/__init__.py

@@ -136,6 +136,7 @@ class actions:
     LISTING_TVGUIDE = 'listingtvguide'
     PLAY = 'play'
     PLAY_LATEST_EPISODE = 'playlatestepisode'
+    REFRESH = 'refresh'
     REFRESH_FAVORITES = 'refreshfavorites'
     SEARCH = 'search'
     UNFOLLOW = 'unfollow'

resources/lib/router.py

@@ -29,6 +29,10 @@ def router(argv):
     _kodi.log_access(addon_url, params_string)
 
     # Actions that only require _kodi
+    if action == actions.REFRESH:
+        _kodi.invalidate_caches()
+        _kodi.container_refresh()
+        return
     if action == actions.INVALIDATE_CACHES:
         _kodi.invalidate_caches()
         return

resources/lib/vrtapihelper.py

@@ -92,6 +92,7 @@ def _map_to_tvshow_items(self, tvshows, use_favorites=False):
                     context_menu = [(self._kodi.localize(30411), 'RunPlugin(plugin://plugin.video.vrt.nu?%s)' % urlencode(params))]
             else:
                 context_menu = []
+            context_menu.append(('Refresh', 'RunPlugin(plugin://plugin.video.vrt.nu?action=%s)' % actions.REFRESH))
             # Cut vrtbase url off since it will be added again when searching for episodes
             # (with a-z we dont have the full url)
             video_url = statichelper.add_https_method(tvshow.get('targetUrl')).replace(self._VRT_BASE, '')
@@ -308,6 +309,7 @@ def _map_to_episode_items(self, episodes, titletype=None, season_key=None, use_f
                     context_menu = [(self._kodi.localize(30411), 'RunPlugin(plugin://plugin.video.vrt.nu?%s)' % urlencode(params))]
             else:
                 context_menu = []
+            context_menu.append(('Refresh', 'RunPlugin(plugin://plugin.video.vrt.nu?action=%s)' % actions.REFRESH))
 
             if self._showfanart:
                 thumb = statichelper.add_https_method(episode.get('videoThumbnailUrl', 'DefaultAddonVideo.png'))