Class: Routing::Parser::HereSimple

Inherits:
Object
  • Object
show all
Defined in:
lib/routing/parser/here_simple.rb

Overview

A very simple parser implementation for a Nokia Here Routing Service v7. It converts the json response of the routing service to an Array of GeoPoints.

Instance Method Summary collapse

Constructor Details

#initialize(response) ⇒ HereSimple

Creates a new instance of the parser.

Parameters:

  • response (String) —

    A json response string of a Nokia Here routing server.



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# File 'lib/routing/parser/here_simple.rb', line 12

def initialize(response)
  response = JSON.parse(response)
  check_for_error(response)

  @route = response["response"]["route"].first
  @waypoints = @route["waypoint"].dup
  @overall_covered_distance  = 0
  @overall_relative_time = 0
end

Instance Method Details

#to_geo_points ⇒ Array<GeoPoint>

Converts the server response in an Array of GeoPoints

Returns:



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# File 'lib/routing/parser/here_simple.rb', line 26

def to_geo_points
  legs = @route["leg"]
  geo_points = legs.map { |leg| parse_leg(leg) }.flatten

  # At last we add the destination point
  geo_points << parse_maneuver(legs.last["maneuver"].last, waypoint: true)
  geo_points
end