blob: 760b766828e90420ccf6c38cbe5774bd115af5ac (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
|
class MigrateUsersNotificationLevel < ActiveRecord::Migration
# Migrates only users who changed their default notification level :participating
# creating a new record on notification settings table
def up
execute(%Q{
INSERT INTO notification_settings
(user_id, level, created_at, updated_at)
(SELECT id, notification_level, created_at, updated_at FROM users WHERE notification_level != 1)
})
end
# Migrates from notification settings back to user notification_level
# If no value is found the default level of 1 will be used
def down
execute(%Q{
UPDATE users u SET
notification_level = COALESCE((SELECT level FROM notification_settings WHERE user_id = u.id AND source_type IS NULL), 1)
})
end
end
|
