gistfile1.txt

def self.create_index_with_mappings
    Tire.index Settings.elasticsearch_product_index do
      create :settings => {
          :number_of_shards => 1,
          :number_of_replicas => 1,
          :analysis => {
            :filter => {
              :name_ngrams => {
                :side => 'front',
                :type => 'edgeNGram',
                :max_gram => 100,
                :min_gram => 2
              },
              :whole_words => {
                :type => 'word_delimiter',
                :generate_word_parts => false,
                :generate_number_parts => false,
                :split_on_case_change => false,
                :split_on_numerics => false,
                :preserve_original => true # maybe not needed anymore with all the changes from above
              }
            },
            :analyzer => {
              :product_name => {
                :filter => ['standard', 'lowercase', 'asciifolding', 'whole_words'],
                :type => 'custom',
                :tokenizer => 'standard'
              },
              :ngram_name => {
                :filter => ['standard', 'lowercase', 'asciifolding', 'whole_words', 'name_ngrams'],
                :type => 'custom',
                :tokenizer => 'standard'
              }
            }
          }
        },
      :mappings => {
        :product => {
          :properties => {
            :_id  => { :type => 'string', :analyzer => 'keyword', :include_in_all => false },
            :name => { :type => 'multi_field', :fields => {
                :name    => {:type => 'string', :analyzer => 'product_name', :include_in_all => false},
                :partial => {
                  :search_analyzer => 'product_name',
                  :index_analyzer  => 'ngram_name',
                  :type => 'string',
                  :include_in_all => true,
                  :boost => 10
                }
              }
            },
            :followers          => { :type => 'integer', :include_in_all => true},
            :used_by_count      => { :type => 'integer', :include_in_all => true},
            :description        => { :type => 'string', :analyzer => 'snowball' },
            :description_manual => { :type => 'string', :analyzer => 'snowball' },
            :language           => { :type => 'string', :analyzer => 'keyword'  }
          }
        }
      }
    end
  end