pleroma/priv/repo/migrations/20190414125034_migrate_old_...

36 lines
879 B
Elixir

defmodule Pleroma.Repo.Migrations.MigrateOldBookmarks do
use Ecto.Migration
import Ecto.Query
alias Pleroma.Activity
alias Pleroma.Bookmark
alias Pleroma.User
alias Pleroma.Repo
def up do
query =
from(u in "users",
where: u.local == true,
where: fragment("array_length(?, 1)", u.bookmarks) > 0,
select: %{id: u.id, bookmarks: u.bookmarks}
)
Repo.stream(query)
|> Enum.each(fn %{id: user_id, bookmarks: bookmarks} ->
Enum.each(bookmarks, fn ap_id ->
activity = Activity.get_create_by_object_ap_id(ap_id)
unless is_nil(activity), do: {:ok, _} = Bookmark.create(user_id, activity.id)
end)
end)
alter table(:users) do
remove(:bookmarks)
end
end
def down do
alter table(:users) do
add :bookmarks, {:array, :string}, null: false, default: []
end
end
end