refactor: make the RequestHandler classes callable

Whenever a RequestHandler class is called we instantiate it with the request.
Then we call handle on the instance. This way we can access the request and
its content via accessors rather than only in the handle method.

1 files changed, 12 insertions, 8 deletions

diff --git a/lib/nickserver/request_handlers/local_email_handler.rb b/lib/nickserver/request_handlers/local_email_handler.rb
index 9e8ed48..9165ef2 100644
--- a/lib/nickserver/request_handlers/local_email_handler.rb
+++ b/lib/nickserver/request_handlers/local_email_handler.rb
@@ -1,21 +1,25 @@
+require 'nickserver/request_handlers/base'
 require 'nickserver/email_address'
-require 'nickserver/error_response'
 require 'nickserver/couch_db/source'
 
 module Nickserver
   module RequestHandlers
-    class LocalEmailHandler
+    class LocalEmailHandler < Base
 
-      def call(request)
-        return nil unless request.email
-        domain = Config.domain || request.domain
-        email = EmailAddress.new(request.email)
-        return nil unless email.domain?(domain)
-        source.query email
+      def handle
+        source.query(email) if request.email && email.domain?(domain)
       end
 
       protected
 
+      def domain
+        Config.domain || request.domain
+      end
+
+      def email
+        @email ||= EmailAddress.new(request.email)
+      end
+
       def source
         Nickserver::CouchDB::Source.new
       end