Module: Geocoder::Store::Neo4j

Includes:
Base
Defined in:
lib/geocoder/stores/neo4j.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(base) ⇒ Object 



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/geocoder/stores/neo4j.rb', line 7

def self.included(base)
  base.class_eval do
    scope :geocoded, -> {
      where_not(base.geocoder_options[:latitude] => nil, base.geocoder_options[:longitude] => nil)
    }

    scope :not_geocoded, -> {
      where(base.geocoder_options[:latitude] => nil, base.geocoder_options[:longitude] => nil)
    }

    scope :near, -> (location:, radius:) {
      if location.is_a?(Array)
        coordinates = location << radius.to_f

        base.within(coordinates)
      else
        coordinates = Geocoder::Calculations.extract_coordinates(location)

        if Geocoder::Calculations.coordinates_present?(*coordinates)
          coordinates << radius.to_f

          base.within(coordinates)
        else
          []
        end
      end
    }

    scope :within, -> (coordinates) {
      query_proxy = instance_variable_get(:@query_proxy)
      spatial_match(query_proxy.node_identity, "withinDistance:#{coordinates}")
    }
  end
end

Instance Method Details

#geocode ⇒ Object 



42
43
44
45
46
47
48
49
50
51
52
53
54
55
 
# File 'lib/geocoder/stores/neo4j.rb', line 42

def geocode
  do_lookup(false) do |o, rs|
    if r = rs.first
      unless r.latitude.nil? or r.longitude.nil?
        o.__send__ "#{self.class.geocoder_options[:latitude]}=",  r.latitude
        o.__send__ "#{self.class.geocoder_options[:longitude]}=", r.longitude

        o.add_to_spatial_index o.class.spatial_index_name
      end

      r.coordinates
    end
  end
end

#nearbys(radius = 20) ⇒ Object 



69
70
71
72
73
 
# File 'lib/geocoder/stores/neo4j.rb', line 69

def nearbys(radius = 20)
  return nil unless geocoded?

  self.class.near(location: to_coordinates, radius: radius)
end

#reverse_geocode ⇒ Object 



57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/geocoder/stores/neo4j.rb', line 57

def reverse_geocode
  do_lookup(true) do |o, rs|
    if r = rs.first
      unless r.address.nil?
        o.__send__ "#{self.class.geocoder_options[:fetched_address]}=", r.address
      end

      r.address
    end
  end
end