search_controller.rb

class SearchController < ApplicationController

  AUTHORS_TYPE = "AUTHORS_TYPE" 
  BOOKS_TYPE = "BOOKS_TYPE"
  RECOMMENDATIONS_TYPE = "RECOMMENDATIONS_TYPE"
  ALL_TYPES = [ AUTHORS_TYPE, BOOKS_TYPE, RECOMMENDATIONS_TYPE]

  def index
    @keywords = params[:keywords]
    @category_ids = params[:category_ids] ? params[:category_ids].map(&:to_i) : []
    @all_categories = Category.root_categories.all(:include => {:children => :children})
    @types = params[:types] || ALL_TYPES

    books_page = params[:books_page]
    @types = [ BOOKS_TYPE ] if books_page
    authors_page = params[:authors_page]
    @types = [AUTHORS_TYPE] if authors_page
    
    if @types.include?(BOOKS_TYPE)
      @search = Group.search do |s|
        s.keywords preprocess_keywords(@keywords), :minimum_match => 1 do
          highlight :title, :formatted_summary, :author_names
        end
        unless @category_ids.blank?
          s.with(:category_ids).all_of(@category_ids)
        end
        #unless @genre_id.blank?
          #s.with(:genre_ids).all_of([@genre_id])
        #end
        s.facet :category_ids
        s.paginate :page => params[:books_page], :per_page => 10
        s.data_accessor_for(Group).include = {:representative => :authors}
      end
    end

    if @types.include?(AUTHORS_TYPE)
      @authors_search = Contributor.search do |s|
        s.keywords preprocess_keywords(@keywords), :minimum_match => 1 do
          highlight :display_name
        end
        unless @category_ids.blank?
          s.with(:authored_category_ids).all_of(@category_ids)
        end
        #unless @genre_id.blank?
          #s.with(:genre_ids).all_of([@genre_id])
        #end
        s.facet :authored_category_ids
        s.with(:authored_products_count).greater_than(1)
        s.data_accessor_for(Contributor).include = {:authored_products => {:group => :representative}}
        s.paginate :page => params[:authors_page], :per_page => 10
      end
    end

  end

  def preprocess_keywords(keywords)
    return keywords if keywords.blank?
    keywords.gsub('.', ' ')
  end
end