Add has audio problems option to beta search options

templates/search/search.html

@@ -164,10 +164,13 @@ <h3>
                             </div>
                         </div>
                         <div class="row">    
-                            <div class="col-6 v-padding-1">
+                            <div class="col-4 v-padding-1">
                                 <div class="v-spacing-top-1">{% display_search_option "compute_clusters" %}</div>
                                 <div class="v-spacing-top-1">{% display_search_option "similar_to" %}</div>
                             </div>
+                            <div class="col-4 v-padding-1">
+                                <div class="v-spacing-top-1">{% display_search_option "include_audio_problems" %}</div>
+                            </div>
 
                         </div>
                     {% endif %}

utils/search/search_query_processor_options.py

@@ -181,6 +181,8 @@ def __copy2__(self):
 
 
 class SearchOptionBool(SearchOption):
+    """SearchOption class to represent bool options.
+    """
     value_default = False
 
     def get_value_from_request(self):
@@ -198,6 +200,16 @@ def as_filter(self):
         updating this class to support a different behavior."""
         if self.value_to_apply == True:
             return super().as_filter()
+
+
+class SearchOptionBoolFilterInverted(SearchOptionBool):
+    """SearchOption class to represent bool options which should have the filter value inverted.
+    For example, an "exclude some sounds" option which, when set to "on", the filter in the search 
+    engine should be inverted, e.g. "sound_has_property:0".
+    """
+
+    def format_value(self, value):
+        return '0' if value else '1'    
 
 
 class SearchOptionInt(SearchOption):