Add preview functionality to rich text controls

[rails.git] / app / models / message.rb

diff --git a/app/models/message.rb b/app/models/message.rb
index 97e411192b0df5cedbd89d7255f236ac7fb2cf35..feceec5c01ff266c7d6b3cfa7107471c3c59285b 100644 (file)
--- a/app/models/message.rb
+++ b/app/models/message.rb
@@ -1,8 +1,35 @@
+require 'validators'
+
 class Message < ActiveRecord::Base
   belongs_to :sender, :class_name => "User", :foreign_key => :from_user_id
   belongs_to :recipient, :class_name => "User", :foreign_key => :to_user_id
 
-  validates_presence_of :title, :body, :sent_on
+  validates_presence_of :title, :body, :sent_on, :sender, :recipient
+  validates_length_of :title, :within => 1..255
   validates_inclusion_of :message_read, :in => [ true, false ]
-  validates_associated :sender, :recipient
+  validates_as_utf8 :title
+
+  attr_accessible :title, :body
+
+  after_initialize :set_defaults
+
+  def body
+    RichText.new(read_attribute(:body_format), read_attribute(:body))
+  end
+
+  def digest
+    md5 = Digest::MD5.new
+    md5 << from_user_id.to_s
+    md5 << to_user_id.to_s
+    md5 << sent_on.xmlschema
+    md5 << title
+    md5 << body
+    md5.hexdigest
+  end
+
+private
+
+  def set_defaults
+    self.body_format = "markdown" unless self.attribute_present?(:body_format)
+  end
 end