Made messages more thread-like (replies, editing, etc.)

app/models/messagereply.rb

@@ -0,0 +1,67 @@
+class Messagereply < ActiveRecord::Base
+
+  include MailerHelper
+  include UsersHelper
+
+  belongs_to :message
+  belongs_to :user_author, class_name: "User", foreign_key: "user_author_id"
+  belongs_to :user_editor, class_name: "User", foreign_key: "user_editor_id"
+
+
+
+  validates_presence_of :text
+  validates_length_of :text, in: 1..8000
+
+  def get_message
+    message
+  end
+
+  def author
+    @author ||= if self.user_author.present?
+      user_author
+    else
+      User.first
+    end
+  end
+
+  def editor
+    # can be nil
+    @editor ||= user_editor
+  end
+
+  def edited?
+    !!user_editor_id
+  end
+
+  def send_new_reply_mail(old_content = "")
+    users = mentions(content) - mentions(old_content)
+
+    # thread + replies
+    posts = message.replies.to_a
+    posts << message if message.author.mail_own_message_reply?
+    # only send "reply" mail when reply is new
+    unless old_content.present?
+      posts.each do |post|
+        # don't send mail to the author of this reply, don't send to banned/disabled users
+        if post.author != author && post.author.normal? && post.author.confirmed? # &&
+          users << post.author if post.author.mail_other_thread_reply?
+        end
+      end
+    end
+    # making sure we don't send multiple mails to the same user
+    users.uniq!
+
+    mails = []
+    users.each do |usr|
+      begin
+        mails << RedstonerMailer.new_thread_reply_mail(usr, self)
+      rescue => e
+        Rails.logger.error "---"
+        Rails.logger.error "WARNING: Failed to create new_thread_reply_mail (view) for reply#: #{@self.id}, user: #{@user.name}, #{@user.email}"
+        Rails.logger.error e.message
+        Rails.logger.error "---"
+      end
+    end
+    background_mailer(mails)
+  end
+end