From 285b23f39765d8346a658a81eca8b70d70b3e9bf Mon Sep 17 00:00:00 2001
From: Azul <azul@leap.se>
Date: Tue, 18 Dec 2012 13:41:41 +0100
Subject: refactored email_alias creation and validation

using CouchRests user.email_aliases.build so the casted_by method is set in the alias

Used this to move the validations into the alias itself. This is where they belong and allows us to render the errors inline along the email field they belong to.
---
 users/app/models/local_email.rb | 21 ++++++++++++++++++++-
 users/app/models/user.rb        | 26 +++++---------------------
 2 files changed, 25 insertions(+), 22 deletions(-)

(limited to 'users/app/models')

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
diff --git a/users/app/models/user.rb b/users/app/models/user.rb
index d66b0e9..0773f28 100644
--- a/users/app/models/user.rb
+++ b/users/app/models/user.rb
@@ -35,9 +35,7 @@ class User < CouchRest::Model::Base
   validates :email_forward,
     :format => { :with => /\A(([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,}))?\Z/, :message => "needs to be a valid email address"}
 
-  validate :no_duplicate_email_aliases
-
-  validate :email_aliases_differ_from_email
+  validate :email_differs_from_email_aliases
 
   timestamps!
 
@@ -117,34 +115,20 @@ class User < CouchRest::Model::Base
     APP_CONFIG['admins'].include? self.login
   end
 
-  def add_email_alias(email)
-    email = LocalEmail.new(email) unless email.is_a? Email
-    email_aliases << email
-  end
-
   # this currently only adds the first email address submitted.
   # All the ui needs for now.
   def email_aliases_attributes=(attrs)
-    if attrs && attrs.values.first
-      add_email_alias attrs.values.first
-    end
+    email_aliases.build(attrs.values.first) if attrs
   end
 
-
   ##
   #  Validation Functions
   ##
 
-  # TODO: How do we handle these errors?
-  def no_duplicate_email_aliases
-    if email_aliases.count != email_aliases.map(&:email).uniq.count
-      errors.add(:email_aliases, "include a duplicate")
-    end
-  end
-
-  def email_aliases_differ_from_email
+  def email_differs_from_email_aliases
+    return if email_aliases.last.errors.any?
     if email_aliases.map(&:email).include?(email)
-      errors.add(:email_aliases, "include the original email address")
+      errors.add(:email, "may not be the same as an alias")
     end
   end
 
-- 
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