30 lines
914 B
Ruby
30 lines
914 B
Ruby
class RemoveStars < ActiveRecord::Migration
|
|
def up
|
|
r = execute <<SQL
|
|
INSERT INTO post_actions(user_id, post_id, post_action_type_id, created_at, updated_at)
|
|
SELECT tu.user_id, p.id, 1, coalesce(tu.starred_at, now()), coalesce(tu.starred_at, now())
|
|
FROM topic_users tu
|
|
JOIN posts p ON p.topic_id = tu.topic_id AND p.post_number = 1
|
|
LEFT JOIN post_actions pa ON
|
|
pa.post_id = p.id AND
|
|
pa.user_id = tu.user_id AND
|
|
pa.post_action_type_id = 1
|
|
WHERE pa.post_id IS NULL AND tu.starred
|
|
SQL
|
|
puts "#{r.cmd_tuples} stars were converted to bookmarks!"
|
|
|
|
execute <<SQL
|
|
DELETE FROM user_actions WHERE action_type = 10
|
|
SQL
|
|
|
|
remove_column :topic_users, :starred
|
|
remove_column :topic_users, :starred_at
|
|
remove_column :topic_users, :unstarred_at
|
|
remove_column :topics, :star_count
|
|
end
|
|
|
|
def down
|
|
raise ActiveRecord::IrreversibleMigration
|
|
end
|
|
end
|