comparison db/migrate/098_set_topic_authors_as_watchers.rb @ 0:513646585e45

* Import Redmine trunk SVN rev 3859

+class SetTopicAuthorsAsWatchers < ActiveRecord::Migration
+  def self.up
+    # Sets active users who created/replied a topic as watchers of the topic
+    # so that the new watch functionality at topic level doesn't affect notifications behaviour
+    Message.connection.execute("INSERT INTO #{Watcher.table_name} (watchable_type, watchable_id, user_id)" +
+                                 " SELECT DISTINCT 'Message', COALESCE(m.parent_id, m.id), m.author_id" +
+                                 " FROM #{Message.table_name} m, #{User.table_name} u" +
+                                 " WHERE m.author_id = u.id AND u.status = 1")
+  end
+
+  def self.down
+    # Removes all message watchers
+    Watcher.delete_all("watchable_type = 'Message'")
+  end
+end