alexreisner/geocoder

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lib/geocoder/lookups/location_iq.rb

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require 'geocoder/lookups/nominatim'
require "geocoder/results/location_iq"

module Geocoder::Lookup
  class LocationIq < Nominatim
    def name
      "LocationIq"
    end

    def required_api_key_parts
      ["api_key"]
    end

    def supported_protocols
      [:https]
    end

    private # ----------------------------------------------------------------

    def base_query_url(query)
      method = query.reverse_geocode? ? "reverse" : "search"
      "#{protocol}://#{configured_host}/v1/#{method}.php?"
    end

    def query_url_params(query)
      {
        key: configuration.api_key
      }.merge(super)
    end

    def configured_host
      configuration[:host] || "us1.locationiq.com"
    end

    def results(query)
      return [] unless doc = fetch_data(query)

      if !doc.is_a?(Array)
        case doc['error']
        when "Invalid key"
          raise_error(Geocoder::InvalidApiKey, doc['error'])
        when "Key not active - Please write to contact@unwiredlabs.com"
          raise_error(Geocoder::RequestDenied, doc['error'])
        when "Rate Limited"
          raise_error(Geocoder::OverQueryLimitError, doc['error'])
        when "Unknown error - Please try again after some time"
          raise_error(Geocoder::InvalidRequest, doc['error'])
        end
      end

      doc.is_a?(Array) ? doc : [doc]
    end
  end
end