Add welcome mail

plugins/wiki/app/models/page.rb

@@ -36,6 +36,10 @@ class Page < ApplicationRecord
     where(permalink: "Public_frontpage").first
   end
 
+  def self.welcome_mail
+    where(permalink: "Welcome_mail").first
+  end
+
   def set_permalink
     unless title.blank?
       self.permalink = Page.count == 0 ? "Home" : Page.permalink(title)

plugins/wiki/lib/foodsoft_wiki.rb

@@ -3,6 +3,7 @@ require 'acts_as_versioned'
 require 'diffy'
 require 'content_for_in_controllers'
 require 'foodsoft_wiki/engine'
+require 'foodsoft_wiki/mailer'
 require 'foodsoft_wiki/wiki_parser'
 
 module FoodsoftWiki

plugins/wiki/lib/foodsoft_wiki/mailer.rb

@@ -0,0 +1,23 @@
+module FoodsoftWiki
+
+  module Mailer
+    def self.included(base) # :nodoc:
+      base.class_eval do
+
+        # modify user presentation link to writing a message for the user
+        def additonal_welcome_text(user)
+          if FoodsoftWiki.enabled? && (page = Page.welcome_mail)
+            page.body
+          end
+        end
+
+      end
+    end
+  end
+
+end
+
+# modify existing helper
+ActiveSupport.on_load(:after_initialize) do
+  Mailer.send :include, FoodsoftWiki::Mailer
+end