First Commit

lib/carto/bano/driver.rb

@@ -0,0 +1,19 @@
+module Carto
+  module Bano
+    # input : string (address)
+    # output : json
+    class Driver
+      def initialize(address)
+        @address = address
+      end
+
+      def call
+        RestClient.get api_url, params: { q: @address, limit: 1 }
+      end
+
+      def api_url
+        'http://api-adresse.data.gouv.fr/search'
+      end
+    end
+  end
+end

lib/carto/bano/point_retriever.rb

@@ -0,0 +1,30 @@
+module Carto
+  module Bano
+    # input : address
+    # output : point RGeo::Cartesian::PointImpl
+    class PointRetriever
+      def initialize(address)
+        @address = address
+      end
+
+      def point
+        @point ||= convert_driver_result_to_point
+      end
+
+      private
+
+      def driver
+        @driver ||= Carto::Bano::Driver.new @address
+      end
+
+      def convert_driver_result_to_point
+        result = JSON.parse(driver.call)
+        if result['features'].size == 0
+          Rails.logger.error "unable to find location for address #{@address}"
+          return nil
+        end
+        RGeo::GeoJSON.decode(result['features'][0]['geometry'], json_parser: :json)
+      end
+    end
+  end
+end

lib/carto/geocodeur.rb

@@ -0,0 +1,11 @@
+module Carto
+  # this class take a string in input and return a point
+  class Geocodeur
+    def self.convert_adresse_to_point(address)
+      Carto::Bano::PointRetriever.new(address)
+    rescue RestClient::Exception, JSON::ParserError => e
+      Rails.logger.error e.message
+      nil
+    end
+  end
+end