make tag browsing case-insensitive and unique

search/views.py

@@ -63,7 +63,7 @@ def search_view_helper(request):
                 request.user.profile.use_compact_mode = request_preference
                 request.user.profile.save()
 
-    # Parpare variables for map view (prepare some URLs for loading sounds and providing links to map)
+    # Prepare variables for map view (prepare some URLs for loading sounds and providing links to map)
     open_in_map_url = None
     map_mode_query_results_cache_key = None
     map_bytearray_url = ''
@@ -152,7 +152,7 @@ def search_view_helper(request):
             'tags_mode': sqp.tags_mode_active(),
             'query_time': results.q_time 
         }))
-
+        
         # Compile template variables
         return {
             'sqp': sqp,

tags/views.py

@@ -34,12 +34,13 @@
 
 
 def tags(request, multiple_tags=None):
-
+    
     if multiple_tags:
         multiple_tags = multiple_tags.split('/')
     else:
         multiple_tags = []
-    multiple_tags = sorted([x for x in multiple_tags if x])
+    #Make all tags lower-cased and unique to get a case-insensitive search filter and shortened browse url
+    multiple_tags = sorted(set([x.lower() for x in multiple_tags if x]))
     if multiple_tags:
         # We re-write tags as query filter and redirect
         search_filter = "+".join('tag:"' + tag + '"' for tag in multiple_tags)
@@ -51,7 +52,7 @@ def tags(request, multiple_tags=None):
         if pack_flt is not None:
             # If username is passed as a GET parameter, add it as well to the filter
             search_filter += f'+grouping_pack:{pack_flt}'
-            
+
         return HttpResponseRedirect(f"{reverse('tags')}?f={search_filter}")
     else:
         # Share same view code as for the search view, but "tags mode" will be on