Class: LocationOne::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/location-one/core.rb

Overview

SUPPORTED_BACKENDS =

{
    :calabashios => {:path => "/uia"},
    :calabashandroid => {:path => "/uia"},
    :frank => {:path => "/tbd"},

}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(backend, opt_client = nil) ⇒ Client 



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# File 'lib/location-one/core.rb', line 17

def initialize(backend, opt_client=nil)
  @backend = backend
  @http = opt_client
end

Instance Attribute Details

#backend ⇒ Object

Returns the value of attribute backend.



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# File 'lib/location-one/core.rb', line 15

def backend
  @backend
end

#http ⇒ Object

Returns the value of attribute http.



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# File 'lib/location-one/core.rb', line 15

def http
  @http
end

Class Method Details

.location_by_place(place) ⇒ Object 



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# File 'lib/location-one/core.rb', line 58

def self.location_by_place(place)
  results = Geocoder.search(place)
  raise "Got no results for #{place}" if results.empty?
  results.first
end

Instance Method Details

#change_location(options, opt_data = {}) ⇒ Object 



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# File 'lib/location-one/core.rb', line 22

def change_location(options, opt_data={})
  if (options[:latitude] and not options[:longitude]) or
      (options[:longitude] and not options[:latitude])
    raise "Both latitude and longitude must be specified if either is."
  end
  if (options[:latitude])
    change_location_by_coords(options[:latitude], options[:longitude], opt_data)
  else
    if not options[:place]
      raise "Either :place or :latitude and :longitude must be specified."
    end
    change_location_by_place(options[:place], opt_data)
  end
end

#change_location_by_coords(lat, lon, opt_data = {}) ⇒ Object 



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# File 'lib/location-one/core.rb', line 37

def change_location_by_coords(lat, lon, opt_data={})

  body_data = {:action => :change_location,
               :latitude => lat,
               :longitude => lon}.merge(opt_data)



  body = make_http_request(
      :uri => URI.parse("http://#{@backend[:host]}:#{@backend[:port]}#{@backend[:path]}"),
      :method => :post,
      :body => body_data.to_json
  )


  unless body
    raise "Set location change failed, for #{lat}, #{lon} (#{body})."
  end
  body
end

#change_location_by_place(place, opt_data = {}) ⇒ Object 



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# File 'lib/location-one/core.rb', line 64

def change_location_by_place(place, opt_data={})
  best_result = Client.location_by_place(place)
  change_location_by_coords(best_result.latitude, best_result.longitude, opt_data)
end

#init_request(url) ⇒ Object 



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# File 'lib/location-one/core.rb', line 117

def init_request(url)
  http = HTTPClient.new
  http.connect_timeout = 15
  http.send_timeout = 15
  http.receive_timeout = 15
  http
end

#make_http_request(options) ⇒ Object 



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# File 'lib/location-one/core.rb', line 69

def make_http_request(options)
  body = nil
  3.times do |count|
    begin
      if not @http
        @http = init_request(options)
      end
      if options[:method] == :post
        body = @http.post(options[:uri], options[:body]).body
      else
        body = @http.get(options[:uri], options[:body]).body
      end
      break
    rescue HTTPClient::TimeoutError => e
      if count < 2
        sleep(0.5)
        @http.reset_all
        @http=nil
        STDOUT.write "Retrying.. #{e.class}: (#{e})\n"
        STDOUT.flush

      else
        puts "Failing... #{e.class}"
        raise e
      end
    rescue Exception => e
      case e
        when Errno::ECONNREFUSED, Errno::ECONNRESET, Errno::ECONNABORTED, Errno::ETIMEDOUT
          if count < 2
            sleep(0.5)
            @http.reset_all
            @http=nil
            STDOUT.write "Retrying.. #{e.class}: (#{e})\n"
            STDOUT.flush

          else
            puts "Failing... #{e.class}"
            raise e
          end
        else
          raise e
      end
    end
  end

  body
end