Geo Distance Filter Support in Tire/ElasticSearch

geo_distance_filter_in_tire.rb

require 'tire'

require 'active_support/core_ext/numeric'
require 'active_support/core_ext/time/zones'

# Tire.configure { logger STDERR, level: 'debug' }

class Time; DATE_FORMATS.update lucene: "%Y-%m-%dT%H:%M"; end

Tire.index 'venues' do
  delete

  # 1) Create the index with proper mapping for the `location` property
  create mappings: {
    venue: {
      properties: {
        location:   { type: 'geo_point' },
        updated_at: { type: 'date', format: 'date_hour_minute' }
      }
    }
  }

  # 2) Store some example documents of the `venue` type
  store type: 'venue', name: 'One',   location: [40.1, -70.1], updated_at: 3.hours.ago.utc.to_s(:lucene)
  store type: 'venue', name: 'Two',   location: [40.2, -70.2], updated_at: 2.hours.ago.utc.to_s(:lucene)
  store type: 'venue', name: 'Three', location: [50, 15],      updated_at: 1.hour .ago.utc.to_s(:lucene)

  refresh
end

s = Tire.search 'venues' do

  # 3) Search based on geo distance
  filter 'geo_distance', distance: '100km', location: [40, -70]

  # 4) Sort by distance to origin
  # sort { by :_geo_distance, location: [40, -70] }

  # 5) Sort by `updated_at` property
  sort { by :updated_at, 'desc' }
end

puts s.to_curl, '-'*80

s.results.each do |d|
  puts "* #{d.name} | location: #{d.location}, updated_at: #{d.updated_at}"
end

Also see karmi/retire#417 (comment)

@karmi, Any chance to have access to the calculated "_geo_distance" value?