Class: JDX::Geocoder::Google

Inherits:
Object
  • Object
show all
Includes:
Base
Defined in:
lib/jdx/geocoder/google.rb

Constant Summary collapse

RADIUS = 
6371
CITY_FIELDS = 
%w[locality sublocality administrative_area_level_2 administrative_area_level_3].freeze

Instance Attribute Summary

Attributes included from Base

#data

Instance Method Summary collapse

Methods included from Base

#search

Constructor Details

#initialize(term) ⇒ Google

Returns a new instance of Google.



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# File 'lib/jdx/geocoder/google.rb', line 10

def initialize(term)
  @term = term
end

Instance Method Details

#address ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 27

def address
  data['formatted_address']
end

#bounds ⇒ Object

[northeast
southwest]


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# File 'lib/jdx/geocoder/google.rb', line 61

def bounds
  @bounds ||= begin
    bounds = data.dig('geometry', 'bounds') || data.dig('geometry', 'viewport')
    return nil if bounds.nil?

    bounds.values.map do |v|
      v.values.reverse!
    end
  end
end

#center ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 72

def center
  @center ||= begin
    co1, co2 = bounds
    [(co1[0] + co2[0]) / 2, (co1[1] + co2[1]) / 2]
  end
end

#city ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 31

def city
  CITY_FIELDS.each do |c|
    if (r = type_find(c, 'long_name'))
      return r
    end
  end
  nil
end

#coordinates ⇒ Object

coordinate order is longitude, latitude



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# File 'lib/jdx/geocoder/google.rb', line 15

def coordinates
  data.dig('geometry', 'location').values.reverse!
end

#country ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 44

def country
  type_find('country', 'long_name')
end

#country_code ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 52

def country_code
  type_find('country', 'short_name')
end

#deg2rad(lng, lat) ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 85

def deg2rad(lng, lat)
  [lng * Math::PI / 180, lat * Math::PI / 180]
end

#latitude ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 19

def latitude
  data.dig('geometry', 'location', 'lat')
end

#longitude ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 23

def longitude
  data.dig('geometry', 'location', 'lng')
end

#place_id ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 93

def place_id
  data['place_id']
end

#postal_code ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 56

def postal_code
  type_find('country', 'postal_code')
end

#spherical_distance ⇒ Object

rubocop:disable Metrics/AbcSize



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# File 'lib/jdx/geocoder/google.rb', line 79

def spherical_distance # rubocop:disable Metrics/AbcSize
  rlng1, rlat1 = deg2rad(*bounds[1])
  rlng2, rlat2 = deg2rad(*center)
  (2 * RADIUS * Math.asin(Math.sqrt(Math.sin((rlat2 - rlat1) / 2)**2 + Math.cos(rlat1) * Math.cos(rlat2) * Math.sin((rlng2 - rlng1) / 2)**2))).round(3)
end

#state ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 40

def state
  type_find('administrative_area_level_1', 'long_name')
end

#state_code ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 48

def state_code
  type_find('administrative_area_level_1', 'short_name')
end

#types ⇒ Object 



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# File 'lib/jdx/geocoder/google.rb', line 89

def types
  data['types']
end