Improve method for suppressing password_digest error message

Author: mhartl

app/models/user.rb

@@ -16,8 +16,9 @@ class User < ActiveRecord::Base
   VALID_EMAIL_REGEX = /\A[\w+\-.]+@[a-z\d\-.]+\.[a-z]+\z/i
   validates :email, presence: true, format: { with: VALID_EMAIL_REGEX },
                     uniqueness: { case_sensitive: false }
-  validates :password, length: { minimum: 6 }
+  validates :password, presence: true, length: { minimum: 6 }
   validates :password_confirmation, presence: true
+  after_validation { self.errors.messages.delete(:password_digest) }
 
   def feed
     Micropost.from_users_followed_by(self)

config/locales/en.yml

@@ -2,7 +2,4 @@
 # See https://github.com/svenfuchs/rails-i18n/tree/master/rails%2Flocale for starting points.
 
 en:
-  activerecord:
-    attributes:
-      user:
-        password_digest: "Password"
+  hello: "Hello world"