Class: Distance

Inherits:
Object
  • Object
show all
Includes:
DecomposerHelper
Defined in:
lib/turkish_cities/distance.rb

Constant Summary collapse

CITY_LIST = 
YAML.load_file(file_path)
RADIUS_OF_EARTH =

Earth radius in km is 6371

6371

Instance Method Summary collapse

Methods included from DecomposerHelper

#check_input_range, #cities_not_found_error, #city_not_found_error, #city_population_not_found_error, #convert_chars, #create_district_list, #create_file_path, #district_not_found_error, #find_by_between, #postcode_not_found_error, #prepare_city_list, #sort_alphabetically, #sort_input_numbers, #subdistrict_not_found_error

Constructor Details

#initialize(from, to, travel_method) ⇒ Distance

Returns a new instance of Distance.



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# File 'lib/turkish_cities/distance.rb', line 15

def initialize(from, to, travel_method)
  @from = from
  @to = to
  @travel_method = travel_method
end

Instance Method Details

#distance_between ⇒ Object 



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# File 'lib/turkish_cities/distance.rb', line 21

def distance_between
  case @travel_method
  when 'land'
    distance_between_land
  when 'sea'
    distance_between_sea
  when 'air'
    distance_between_air
  else
    unsupported_travel_method(@travel_method)
  end
end