Class: GoogleMapTimeline

Inherits:
Object
  • Object
show all
Defined in:
lib/google_timeline/google_map_timeline.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(file_path, home_coordinate, google_api_key) ⇒ GoogleMapTimeline

Returns a new instance of GoogleMapTimeline.



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# File 'lib/google_timeline/google_map_timeline.rb', line 6

def initialize(file_path, home_coordinate, google_api_key)
  self.file_path = file_path
  self.home_coordinate = home_coordinate
  self.google_api_key = google_api_key
end

Instance Attribute Details

#file_path ⇒ Object

Returns the value of attribute file_path.



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# File 'lib/google_timeline/google_map_timeline.rb', line 3

def file_path
  @file_path
end

#google_api_key ⇒ Object

Returns the value of attribute google_api_key.



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# File 'lib/google_timeline/google_map_timeline.rb', line 4

def google_api_key
  @google_api_key
end

#home_coordinate ⇒ Object

Returns the value of attribute home_coordinate.



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# File 'lib/google_timeline/google_map_timeline.rb', line 2

def home_coordinate
  @home_coordinate
end

Instance Method Details

#get_timeline_url(args) ⇒ Object 



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# File 'lib/google_timeline/google_map_timeline.rb', line 12

def get_timeline_url(args)
  #initialize flags
  location_str_max_length = 1800
  overall_distance_flag = false
  transport_mode_flag = false
  places_flag = false
  if (args.empty?)==false
    overall_distance_flag = !args.select{|a| a.is_a?(Hash) and a[:distance]==true}.first.nil?
    transport_mode_flag = !args.select{|a| a.is_a?(Hash) and a[:transport_mode]==true}.first.nil?
    places_flag = !args.select{|a| a.is_a?(Hash) and a[:places]==true}.first.nil?
  end
  
  op_hash = {}
  url=default_map
  coordinates = []
  value = self.file_path
  key = Date.parse(value.split("/").last.split(".").first.gsub("history-", "")) rescue nil
  op_hash[:date] = key
  
  if key.nil? == false and File.exists?(value)
    kml = File.read(value)
    doc = Nokogiri::XML(kml)
    coordinates = doc.search('coordinates').map{|c| c.content.split(" ")}.flatten.map{|co| co.split(",")[0..1].reverse.map{|co1| co1.to_f}} rescue []
    if coordinates.is_a?(Array) 
      location_str = polylines_encoding(coordinates)

      if location_str.length > location_str_max_length
        coordinates_dup = coordinates.dup
        while location_str.length > location_str_max_length do
          coordinates_dup = coordinates_dup.values_at(* coordinates_dup.each_index.select {|i| i.even?})
          location_str = polylines_encoding(coordinates_dup)
        end
      end
      url = location_url(location_str)  
    end

  end
  op_hash[:url] = url
  #overall distance
  if overall_distance_flag
    distance = {:value => overall_distance(coordinates), :unit=>"meter"}
    op_hash[:distance] = distance
  end
  #Transport Mode and places
  
  
  if (transport_mode_flag or places_flag)
    transport_mode_hash, places_array = transport_mode_and_places(doc, transport_mode_flag, places_flag)
    op_hash[:transport_mode] = transport_mode_hash if transport_mode_flag
    op_hash[:places] = places_array if places_flag
  end
  return op_hash
end