1 files changed, 20 insertions, 1 deletions
diff --git a/users/app/models/local_email.rb b/users/app/models/local_email.rb
index 7cca4f4..c654fcb 100644
--- a/users/app/models/local_email.rb
+++ b/users/app/models/local_email.rb
@@ -1,6 +1,9 @@
 class LocalEmail < Email
 
   validate :unique_on_server
+  validate :unique_alias_for_user
+  validate :differs_from_main_email
+  validates :casted_by, :presence => true
 
   def to_partial_path
     "emails/email"
@@ -9,7 +12,23 @@ class LocalEmail < Email
   def unique_on_server
      has_email = User.find_by_email_or_alias(email)
      if has_email && has_email != self.base_doc
-      errors.add(:email, "has already been taken")
+      errors.add :email, "has already been taken"
     end
   end
+
+  def unique_alias_for_user
+    aliases = self.casted_by.email_aliases
+    if aliases.select{|a|a.email == self.email}.count > 1
+      errors.add :email, "is already your alias"
+    end
+  end
+
+  def differs_from_main_email
+    user = self.casted_by
+    if user.email == self.email
+      errors.add :email, "may not be the same as your email address"
+    end
+  end
+
+
 end