fixes #2461: Mod queue comments

app/models/post_disapproval.rb

@@ -4,9 +4,10 @@ class PostDisapproval < ActiveRecord::Base
   belongs_to :post
   belongs_to :user
   validates_uniqueness_of :post_id, :scope => [:user_id], :message => "have already hidden this post"
-  attr_accessible :post_id, :post, :user_id, :user, :reason
+  attr_accessible :post_id, :post, :user_id, :user, :reason, :message
   validates_inclusion_of :reason, :in => %w(legacy breaks_rules poor_quality disinterest)
 
+  scope :with_message, lambda {where("message is not null and message <> ''")}
   scope :breaks_rules, lambda {where(:reason => "breaks_rules")}
   scope :poor_quality, lambda {where(:reason => "poor_quality")}
   scope :disinterest, lambda {where(:reason => ["disinterest", "legacy"])}
@@ -15,6 +16,31 @@ class PostDisapproval < ActiveRecord::Base
     PostDisapproval.destroy_all(["created_at < ?", DELETION_THRESHOLD.ago])
   end
 
+  def self.dmail_messages!
+    admin = User.admins.first
+    disapprovals = {}
+
+    PostDisapproval.with_message.where("created_at >= ?", 1.year.ago).find_each do |disapproval|
+      disapprovals[disapproval.user_id] ||= []
+      disapprovals[disapproval.user_id] << disapproval
+    end
+
+    disapprovals.each do |user_id, list|
+      user = User.find(user_id)
+      CurrentUser.scoped(admin, "127.0.0.1") do
+        message = list.map do |x|
+          "* post ##{x.post_id}: #{x.message}"
+        end.join("\n")
+
+        Dmail.create_split(
+          :to_id => user.id,
+          :title => "Some of your uploads have been critiqued by the moderators",
+          :body => message
+        )
+      end
+    end
+  end
+
   def create_downvote
     if %w(breaks_rules poor_quality).include?(reason)
       PostVote.create(:score => -1, :post_id => post_id)