defmodule Pleroma.Repo.Migrations.UsersPopulateEmoji do use Ecto.Migration import Ecto.Query alias Pleroma.User alias Pleroma.Repo def up do execute("ALTER TABLE users ALTER COLUMN emoji SET DEFAULT '{}'::jsonb") execute("UPDATE users SET emoji = DEFAULT WHERE emoji = '[]'::jsonb") from(u in User) |> select([u], struct(u, [:id, :ap_id, :source_data])) |> Repo.stream() |> Enum.each(fn user -> emoji = user.source_data |> Map.get("tag", []) |> Enum.filter(fn %{"type" => "Emoji"} -> true _ -> false end) |> Enum.reduce(%{}, fn %{"icon" => %{"url" => url}, "name" => name}, acc -> Map.put(acc, String.trim(name, ":"), url) end) user |> Ecto.Changeset.cast(%{emoji: emoji}, [:emoji]) |> Repo.update() end) end def down do execute("ALTER TABLE users ALTER COLUMN emoji SET DEFAULT '[]'::jsonb") execute("UPDATE users SET emoji = DEFAULT WHERE emoji = '{}'::jsonb") end end