akkoma/priv/repo/migrations/20190414125034_migrate_old_bookmarks.exs

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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 User,
where: u.local == true,
where: fragment("array_length(?, 1)", u.old_bookmarks) > 0,
select: %{id: u.id, old_bookmarks: u.old_bookmarks}
)
2019-04-17 07:24:11 +00:00
Repo.stream(query)
|> Enum.each(fn user ->
Enum.each(user.old_bookmarks, fn id ->
activity = Activity.get_create_by_object_ap_id(id)
{:ok, _} = Bookmark.create(user.id, activity.id)
end)
end)
end
def down do
execute("TRUNCATE TABLE bookmarks")
end
end