Make sure to not query db when there aren't any ids

couchpotato/core/media/movie/_base/main.py

@@ -213,6 +213,8 @@ class MovieBase(MovieTypeBase):
             q = q.filter(or_(*filter_or))
 
         total_count = q.count()
+        if total_count == 0:
+            return 0, []
 
         if order == 'release_order':
             q = q.order_by(desc(Release.last_edit))

couchpotato/core/plugins/dashboard/main.py

@@ -61,6 +61,9 @@ class Dashboard(Plugin):
                 .order_by(asc(LibraryTitle.simple_title))
 
         active = q.all()
+        movies = []
+
+        if len(active) > 0:
 
             # Do the shuffle
             if random:
@@ -92,6 +95,8 @@ class Dashboard(Plugin):
                         if len(movie_ids) >= limit:
                             break
 
+            if len(movie_ids) > 0:
+
                 # Get all movie information
                 movies_raw = db.query(Movie) \
                     .options(joinedload_all('library.titles')) \
@@ -105,7 +110,6 @@ class Dashboard(Plugin):
                 for movie in movies_raw:
                     movie_dict[movie.id] = movie
 
-        movies = []
                 for movie_id in movie_ids:
                     movies.append(movie_dict[movie_id].to_dict({
                         'library': {'titles': {}, 'files':{}},