50 lines
1.4 KiB
Elixir
50 lines
1.4 KiB
Elixir
defmodule Pleroma.Repo.Migrations.DataMigrationPopulateUserBlocks do
|
|
use Ecto.Migration
|
|
|
|
alias Ecto.Adapters.SQL
|
|
alias Pleroma.Repo
|
|
|
|
require Logger
|
|
|
|
def up do
|
|
{:ok, %{rows: block_rows}} =
|
|
SQL.query(Repo, "SELECT id, blocks FROM users WHERE blocks != '{}'")
|
|
|
|
blockee_ap_ids =
|
|
Enum.flat_map(
|
|
block_rows,
|
|
fn [_, ap_ids] -> ap_ids end
|
|
)
|
|
|> Enum.uniq()
|
|
|
|
# Selecting ids of all blockees at once in order to reduce the number of SELECT queries
|
|
{:ok, %{rows: blockee_ap_id_id}} =
|
|
SQL.query(Repo, "SELECT ap_id, id FROM users WHERE ap_id = ANY($1)", [blockee_ap_ids])
|
|
|
|
blockee_id_by_ap_id = Enum.into(blockee_ap_id_id, %{}, fn [k, v] -> {k, v} end)
|
|
|
|
Enum.each(
|
|
block_rows,
|
|
fn [blocker_id, blockee_ap_ids] ->
|
|
blocker_uuid = Ecto.UUID.cast!(blocker_id)
|
|
|
|
for blockee_ap_id <- blockee_ap_ids do
|
|
blockee_id = blockee_id_by_ap_id[blockee_ap_id]
|
|
|
|
with {:ok, blockee_uuid} <- blockee_id && Ecto.UUID.cast(blockee_id) do
|
|
execute(
|
|
"INSERT INTO user_blocks(blocker_id, blockee_id, inserted_at) " <>
|
|
"VALUES('#{blocker_uuid}'::uuid, '#{blockee_uuid}'::uuid, now()) " <>
|
|
"ON CONFLICT (blocker_id, blockee_id) DO NOTHING"
|
|
)
|
|
else
|
|
_ -> Logger.warn("Missing reference: (#{blocker_uuid}, #{blockee_id})")
|
|
end
|
|
end
|
|
end
|
|
)
|
|
end
|
|
|
|
def down, do: :noop
|
|
end
|