From 0acace58c31c96fc1f8836167aeb4f204f72617f Mon Sep 17 00:00:00 2001
From: Azul <azul@leap.se>
Date: Thu, 18 Jul 2013 17:17:36 +0200
Subject: allow available and unique forwards only

---
 users/app/models/identity.rb     | 22 ++++++++++++++++++++++
 users/app/models/local_email.rb  | 30 ------------------------------
 users/app/models/user.rb         |  8 +++-----
 users/test/unit/identity_test.rb | 18 ++++++++++++++++++
 4 files changed, 43 insertions(+), 35 deletions(-)

(limited to 'users')

diff --git a/users/app/models/identity.rb b/users/app/models/identity.rb
index c9c8b73..4dff93a 100644
--- a/users/app/models/identity.rb
+++ b/users/app/models/identity.rb
@@ -7,7 +7,29 @@ class Identity < CouchRest::Model::Base
   property :address, LocalEmail
   property :destination, Email
 
+  validate :unique_forward
+  validate :alias_available
+
   design do
     view :by_user_id
+    view :by_address_and_destination
+    view :by_address
+  end
+
+  protected
+
+  def unique_forward
+    same = Identity.find_by_address_and_destination([address, destination])
+    if same && same != self
+      errors.add :base, "This alias already exists"
+    end
   end
+
+  def alias_available
+    same = Identity.find_by_address(address)
+    if same && same.user != self.user
+      errors.add :base, "This email has already been taken"
+    end
+  end
+
 end
diff --git a/users/app/models/local_email.rb b/users/app/models/local_email.rb
index e71d494..c1f7c11 100644
--- a/users/app/models/local_email.rb
+++ b/users/app/models/local_email.rb
@@ -1,10 +1,5 @@
 class LocalEmail < Email
 
-=begin
-  validate :unique_on_server
-  validate :unique_alias_for_user
-  validate :differs_from_login
-=end
 
   def self.domain
     APP_CONFIG[:domain]
@@ -16,8 +11,6 @@ class LocalEmail < Email
       :message => "needs to end in @#{domain}"
     }
 
-
-
   def initialize(s)
     super
     append_domain_if_needed
@@ -37,29 +30,6 @@ class LocalEmail < Email
 
   protected
 
-  def unique_on_server
-    has_email = User.find_by_login_or_alias(username)
-    if has_email && has_email != self.casted_by
-      errors.add :username, "has already been taken"
-    end
-  end
-
-  def unique_alias_for_user
-    aliases = self.casted_by.email_aliases
-    if aliases.select{|a|a.username == self.username}.count > 1
-      errors.add :username, "is already your alias"
-    end
-  end
-
-  def differs_from_login
-    # If this has not changed but the email let's mark the email invalid instead.
-    return if self.persisted?
-    user = self.casted_by
-    if user.login == self.username
-      errors.add :username, "may not be the same as your email address"
-    end
-  end
-
   def append_domain_if_needed
     unless self.index('@')
       self << '@' + domain
diff --git a/users/app/models/user.rb b/users/app/models/user.rb
index dda5a41..5707f24 100644
--- a/users/app/models/user.rb
+++ b/users/app/models/user.rb
@@ -74,7 +74,7 @@ class User < CouchRest::Model::Base
   end
 
   def create_identity(attribs = {}, &block)
-    build_identity(attribs, &block)
+    identity = build_identity(attribs, &block)
     identity.save
     identity
   end
@@ -135,12 +135,10 @@ class User < CouchRest::Model::Base
   ##
 
   def login_is_unique_alias
-    has_alias = User.find_by_login_or_alias(username)
+    alias_identity = Identity.find_by_address(self.email_address)
     return if has_alias.nil?
-    if has_alias != self
+    if alias_identity.user != self
       errors.add(:login, "has already been taken")
-    elsif has_alias.login != self.login
-      errors.add(:login, "may not be the same as one of your aliases")
     end
   end
 
diff --git a/users/test/unit/identity_test.rb b/users/test/unit/identity_test.rb
index a5d30b0..4ebd72e 100644
--- a/users/test/unit/identity_test.rb
+++ b/users/test/unit/identity_test.rb
@@ -39,6 +39,24 @@ class IdentityTest < ActiveSupport::TestCase
     id.save
   end
 
+  test "prevents duplicates" do
+    id = @user.create_identity address: alias_name, destination: forward_address
+    dup = @user.build_identity address: alias_name, destination: forward_address
+    assert !dup.valid?
+    assert_equal ["This alias already exists"], dup.errors[:base]
+  end
+
+  test "validates availability" do
+    other_user = FactoryGirl.create(:user)
+    id = @user.create_identity address: alias_name, destination: forward_address
+    taken = other_user.build_identity address: alias_name
+    assert !taken.valid?
+    assert_equal ["This email has already been taken"], taken.errors[:base]
+    other_user.destroy
+  end
+
+
+
   def alias_name
     @alias_name ||= Faker::Internet.user_name
   end
-- 
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