How To Build Faceted Navigation With Solr

How to build Faceted Navigation? 

Assuming our database has 10 items  

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5 Ditital cameras 5 Clothing items

How can we build a ‘faceted navigation’ UI as below

Navigation must show ‘context dependent’ facets 

If we browse /Home/Electronics 



we see general ‘category’ and ‘brand’ facets, their values and facet counts

If we browse /Home/Electronics/Camera 

we see camera specific facets, their values and facet counts

Navigation must show ‘context dependent’ facets 

If we browse /Home/Clothings 



we see Clothing facets, their values and facet counts

If we browse /Home/Clothings/Ann Taylor 

we see different facets and their counts. The facets displayed are ‘content dependent’

We built it but not happy with performance. Can we build this with Solr?