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[
  {
    "_id": "supplier-one",
    "name": "Supplier One"
  },
  {
    "_id": "supplier-two",
    "name": "Supplier Two"
  }
]

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get '/locations' do
  lat = params.fetch(:lat, 0).to_f
  lng = params.fetch(:lng, 0).to_f
  distance = params[:distance].to_i * 1.61 * 1000

  query = {
    loc: {
      :$near => {
        :$geometry => {
          type: 'Point',

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get '/suppliers' do
  Supplier.all.to_json
end

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class App < Sinatra::Base
  configure do
    # Let's connect to MongoDB
    begin
      mongo_db = Mongo::Connection.new.db('data-test')
      set :mongo_db, mongo_db
    rescue Mongo::ConnectionFailure
      set :mongo_db, {}
    end
    Mongoid.load!('mongoid.yml')

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namespace 'import' do
  task 'locations' do
    locations = App.mongo_db.collection('locations')
    locations.insert(
      number: 1,
      sid: 'supplier-one',
      loc: [8, 10]
    )
    locations.insert(
      number: 2,

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class Location
  include Mongoid::Document

  index(loc: '2dsphere')

  field(:number, type: Integer)
  # supplier id
  field(:sid, type: String)
  # coordinates
  field(:loc, type: Array)

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class Supplier
  include Mongoid::Document

  field(:name, type: String)
  field(:_id, default: -> { name.parameterize if self })
end