Refactor for attachment_params method (#108)

app/builders/messages/message_builder.rb

@@ -70,33 +70,41 @@ Assumptions
 
   def attachment_params(attachment)
     file_type = attachment['type'].to_sym
-    params = {
-      file_type: file_type,
-      account_id: @message.account_id
-    }
+    params = { file_type: file_type, account_id: @message.account_id }
+
     if [:image, :file, :audio, :video].include? file_type
-      params.merge!(
+      params.merge!(file_type_params(attachment))
+    elsif file_type == :location
+      params.merge!(location_params(attachment))
+    elsif file_type == :fallback
+      params.merge!(fallback_params(attachment))
+    end
+
+    params
+  end
+
+  def file_type_params(attachment)
     {
       external_url: attachment['payload']['url'],
       remote_file_url: attachment['payload']['url']
-        })
-    elsif file_type == :location
+    }
+  end
+
+  def location_params(attachment)
     lat, long = attachment['payload']['coordinates']['lat'], attachment['payload']['coordinates']['long']
-      params.merge!(
     {
       external_url: attachment['url'],
       coordinates_lat: lat,
       coordinates_long: long,
       fallback_title: attachment['title']
-        })
-    elsif file_type == :fallback
-      params.merge!(
+    }
+  end
+
+  def fallback_params(attachment)
     {
       fallback_title: attachment['title'],
       external_url: attachment['url']
-      })
-    end
-    params
+    }
   end
 
   def conversation_params