4 files changed, 66 insertions, 3 deletions
diff --git a/app/models/account.rb b/app/models/account.rb
index af470ed..a5cd833 100644
--- a/app/models/account.rb
+++ b/app/models/account.rb
@@ -1,7 +1,7 @@
 #
-# The Account model takes care of the livecycle of a user.
+# The Account model takes care of the lifecycle of a user.
 # It composes a User record and it's identity records.
-# It also allows for other engines to hook into the livecycle by
+# It also allows for other engines to hook into the lifecycle by
 # monkeypatching the create, update and destroy methods.
 # There's an ActiveSupport load_hook at the end of this file to
 # make this more easy.
@@ -20,6 +20,7 @@ class Account
     user = nil
     user = User.new(attrs)
     user.save
+
     if !user.tmp? && user.persisted?
       identity = user.identity
       identity.user_id = user.id
@@ -27,6 +28,12 @@ class Account
       identity.errors.each do |attr, msg|
         user.errors.add(attr, msg)
       end
+
+      if APP_CONFIG[:invite_required]
+        user_invite_code = InviteCode.find_by_invite_code user.invite_code
+        user_invite_code.invite_count += 1
+        user_invite_code.save
+      end
     end
   rescue StandardError => ex
     user.errors.add(:base, ex.to_s) if user
diff --git a/app/models/invite_code.rb b/app/models/invite_code.rb
new file mode 100644
index 0000000..13c3a39
--- /dev/null
+++ b/app/models/invite_code.rb
@@ -0,0 +1,23 @@
+require 'coupon_code'
+
+class InviteCode < CouchRest::Model::Base
+  use_database 'invite_codes'
+  property :invite_code, String, :read_only => true
+  property :invite_count, Integer, :default => 0, :accessible => true
+  property :max_uses, Integer, :default => 1
+
+  timestamps!
+
+  design do
+    view :by_invite_code
+    view :by_invite_count
+  end
+
+  def initialize(attributes = {}, options = {})
+    super(attributes, options)
+    write_attribute('invite_code', CouponCode.generate) if new?
+  end
+
+end
+
+
diff --git a/app/models/invite_code_validator.rb b/app/models/invite_code_validator.rb
new file mode 100644
index 0000000..676e4fa
--- /dev/null
+++ b/app/models/invite_code_validator.rb
@@ -0,0 +1,29 @@
+class InviteCodeValidator < ActiveModel::Validator
+
+  def validate(user)
+
+    user_invite_code = InviteCode.find_by_invite_code user.invite_code
+
+    if not_existent?(user_invite_code)
+      add_error_to_user("This is not a valid code", user)
+
+    elsif has_no_uses_left?(user_invite_code)
+      add_error_to_user("This code has already been used", user)
+    end
+  end
+
+  private
+  def not_existent?(code)
+    code == nil
+  end
+
+  def has_no_uses_left?(code)
+    code.invite_count >= code.max_uses
+  end
+
+  def add_error_to_user(error, user)
+    user.errors[:invite_code] << error
+  end
+end
+
+
diff --git a/app/models/user.rb b/app/models/user.rb
index d44df40..3daee0f 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -8,7 +8,7 @@ class User < CouchRest::Model::Base
   property :password_salt, String, :accessible => true
   property :contact_email, String, :accessible => true
   property :contact_email_key, String, :accessible => true
-
+  property :invite_code, String, :accessible => true
   property :enabled, TrueClass, :default => true
 
   # these will be null by default but we shouldn't ever pull them directly, but only via the methods that will return the full ServiceLevel
@@ -39,6 +39,10 @@ class User < CouchRest::Model::Base
     :email => true,
     :mx_with_fallback => true
 
+
+  validates_with InviteCodeValidator, on: :create, if: -> {APP_CONFIG[:invite_required]}
+
+
   timestamps!
 
   design do