Refactor ApiAdresse::AddressAdapter

app/lib/api_adresse/adapter.rb

@@ -0,0 +1,33 @@
+class ApiAdresse::Adapter
+  private
+
+  def initialize(address, limit, blank_return)
+    @address = address
+    @limit = limit
+    @blank_return = blank_return
+  end
+
+  def features
+    @features ||= get_features
+  end
+
+  def get_features
+    response = ApiAdresse::API.call(@address, @limit)
+    result = JSON.parse(response)
+    result['features']
+  rescue RestClient::Exception, JSON::ParserError, TypeError
+    @blank_return
+  end
+
+  def handle_result
+    if features.present?
+      process_features
+    else
+      @blank_return
+    end
+  end
+
+  def process_features
+    raise NoMethodError
+  end
+end

app/lib/api_adresse/address_adapter.rb

@@ -1,26 +1,17 @@
-class ApiAdresse::AddressAdapter
+class ApiAdresse::AddressAdapter < ApiAdresse::Adapter
   def initialize(address)
-    @address = address
+    super(address, 5, [])
   end
 
   def get_suggestions
-    @list ||= convert_api_result_to_full_address
+    handle_result
   end
 
   private
 
-  def convert_api_result_to_full_address
-    result = JSON.parse(ApiAdresse::API.call(@address, 5))
-
-    if result['features'].empty?
-      Rails.logger.error "unable to find location for address #{@address}"
-      return []
-    end
-
-    result['features'].map do |feature|
+  def process_features
+    features.map do |feature|
       feature['properties']['label']
     end
-  rescue TypeError, JSON::ParserError
-    []
   end
 end