UnstemSolrParams

gistfile1.rb

# lib/unstem_solr_params.rb
# Add on to CatalogController or another SolrHelper
#, to support :unstem_search param to search only un-stemmed fields. 

module UnstemSolrParams
  
  def self.included(klass)
    # Replace :add_query_to_solr in solr_search_params_logic with
    # our new method. 
    i = klass.solr_search_params_logic << :add_unstemmed_overrides_to_solr    
  end
  
    ##
    # If unstemmed_search is selected, then we add params to redefine
    # things like $author_qf, $title_qf, etc.. Normally those are supplied
    # by Solr solrconfig.xml defaults, but we define em explicitly in the
    # request to contain only unstemmed fields. 
    def add_unstemmed_overrides_to_solr(solr_parameters, user_parameters)
      
      if user_parameters[:unstemmed_search]
        Blacklight.config[:unstemmed_overrides].each_pair do |key, value|
          solr_parameters[key] = value
        end        
      end            
      
      return solr_parameters
    end
  
end