Created new entry point CensusCaller

Here's a better alternative than the first one. Added a new abstraction level from which are performed both types of census calls, while the logic of those is managed in their own library.

lib/census_caller.rb

@@ -0,0 +1,7 @@
+class CensusCaller
+
+  def call(document_type, document_number)
+    response = CensusApi.new.call(document_type, document_number)
+    response = LocalCensus.new.call(document_type, document_number) unless response.valid?
+  end
+end

lib/local_census.rb

@@ -0,0 +1,68 @@
+include DocumentParser
+class LocalCensus
+
+  def call(document_type, document_number)
+    record = nil
+    get_document_number_variants(document_type, document_number).each do |variant|
+      record = Response.new(get_record(document_type, variant))
+      return record if record.valid?
+    end
+    record
+  end
+
+  class Response
+    def initialize(body)
+      @body = body
+    end
+
+    def valid?
+      @body.valid?
+    rescue NoMethodError
+      false
+    end
+
+    def date_of_birth
+      @body.date_of_birth
+    end
+
+    def postal_code
+      @body.postal_code
+    end
+
+    def district_code
+      @body.district_code rescue nil
+    end
+
+    def gender
+      case @body.gender
+      when "Varón"
+        "male"
+      when "Mujer"
+        "female"
+      end
+    rescue NoMethodError
+      nil
+    end
+
+    def name
+      "#{@body.nombre} #{@body.apellido1}" rescue nil
+    end
+
+    private
+
+      def data
+        @body.attributes
+      end
+  end
+
+  private
+
+    def get_record(document_type, document_number)
+      LocalCensusRecord.find_by(document_type: document_type, document_number: document_number)
+    end
+
+    def is_dni?(document_type)
+      document_type.to_s == "1"
+    end
+
+end