prevent the creation of users with empty string email addresses

app/models/user.rb

@@ -24,6 +24,7 @@ class User < ActiveRecord::Base
   validates_confirmation_of :password
   validates_presence_of :email, :if => lambda {|rec| rec.new_record? && Danbooru.config.enable_email_verification?}
   validate :validate_ip_addr_is_not_banned, :on => :create
+  before_validation :convert_blank_email_to_null
   before_save :encrypt_password
   after_save :update_cache
   before_create :promote_to_admin_if_first_user
@@ -218,7 +219,7 @@ class User < ActiveRecord::Base
     end
   end
   
-  module EmailVerificationMethods
+  module EmailMethods
     def is_verified?
       email_verification_key.blank?
     end
@@ -234,6 +235,12 @@ class User < ActiveRecord::Base
         raise User::Error.new("Verification key does not match")
       end
     end
+    
+    def convert_blank_email_to_null
+      if email.blank?
+        self.email = nil
+      end
+    end
   end
   
   module BlacklistMethods
@@ -332,7 +339,7 @@ class User < ActiveRecord::Base
   extend AuthenticationMethods
   include FavoriteMethods
   include LevelMethods
-  include EmailVerificationMethods
+  include EmailMethods
   include BlacklistMethods
   include ForumMethods
   include LimitMethods

db/seeds.rb

@@ -45,7 +45,7 @@ end
 if Comment.count == 0
   puts "Creating comments"
   Post.all.each do |post|
-    20.times do
+    rand(30).times do
       Comment.create(:post_id => post.id, :body => rand(1_000_000).to_s)
     end
   end
@@ -56,8 +56,12 @@ end
 if Note.count == 0
   puts "Creating notes"
   Post.all.each do |post|
-    3.times do
+    rand(10).times do
-      Note.create(:post_id => post.id, :x => 0, :y => 0, :width => 100, :height => 100, :body => rand(1_000_000).to_s)
+      note = Note.create(:post_id => post.id, :x => 0, :y => 0, :width => 100, :height => 100, :body => rand(1_000_000).to_s)
+      
+      rand(30).times do |i|
+        note.update_attributes(:body => (i * i).to_s)
+      end
     end
   end
 else