setting up auto-complete in ElasticSearch with test documents

gistfile1.rb

require 'tire'

Tire.configure do
  url "http://api.qbox.io/xxxxxxxx"
end

CONFIGURATION = {
  mappings: {
    product: {
      properties: {
        title: {
          type: "multi_field",
          fields: {
            title: { type: "string" },
            sortable: { type: "string", index: "not_analyzed" },
            autocomplete: { type: "string", index_analyzer: "shingle_analyzer" }
          }
        }
      }
    }
  },
  settings: {
    analysis: {
      filter: {
        shingle_filter: {
          type: "shingle",
          min_shingle_size: 2,
          max_shingle_size: 5
        }
      },
      analyzer: {
        shingle_analyzer: {
          type: "custom",
          tokenizer: "standard",
          filter: ["lowercase", "shingle_filter"]
        }
      }
    }
  }
}

PRODUCTS = [
  { type: "product", title: "Tremors" },
  { type: "product", title: "Tremors 2: Aftershocks" },
  { type: "product", title: "Tremors 3: Back to Perfection" },
  { type: "product", title: "Tremors 4: The Legend Begins" },
  { type: "product", title: "True Blood" },
  { type: "product", title: "Tron" },
  { type: "product", title: "True Grit" },
  { type: "product", title: "Land Before Time" },
  { type: "product", title: "The Shining" }
]

Tire.index "products" do
  create CONFIGURATION
  import PRODUCTS
end

search = Tire.search "products" do
  query { prefix 'title.autocomplete', 'tr' }
  sort { by 'title.sortable', 'asc' }
end

puts search.results.map(&:title)

# Tremors
# Tremors 2: Aftershocks
# Tremors 3: Back to Perfection
# Tremors 4: The Legend Begins
# Tron
# True Blood
# True Grit