akkoma/lib/pleroma/spc_fixes/spc_fixes.ex
2019-01-27 21:03:15 +01:00

114 lines
2.9 KiB
Elixir

# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
alias Pleroma.Repo
alias Pleroma.User
alias Pleroma.Activity
alias Pleroma.Object
import Ecto.Query
defmodule Pleroma.SpcFixes do
def upgrade_users do
query =
from(u in User,
where: fragment("? like ?", u.ap_id, "https://shitposter.club/user/%")
)
{:ok, file} = File.read("lib/pleroma/spc_fixes/users_conversion.txt")
# Mapping of old ap_id to new ap_id and vice reversa
mapping =
file
|> String.trim()
|> String.split("\n")
|> Enum.map(fn line ->
line
|> String.split("\t")
end)
|> Enum.reduce(%{}, fn [_id, old_ap_id, new_ap_id], acc ->
acc
|> Map.put(String.trim(old_ap_id), String.trim(new_ap_id))
|> Map.put(String.trim(new_ap_id), String.trim(old_ap_id))
end)
# First, refetch all the old users.
_old_users =
query
|> Repo.all()
|> Enum.each(fn user ->
with ap_id when is_binary(ap_id) <- mapping[user.ap_id] do
# This fetches and updates the user.
User.get_or_fetch_by_ap_id(ap_id)
end
end)
# Now, fix follow relationships.
query =
from(u in User,
where: fragment("? like ?", u.ap_id, "https://shitposter.club/users/%")
)
query
|> Repo.all()
|> Enum.each(fn user ->
old_follower_address = User.ap_followers(user)
# Fix users
query =
from(u in User,
where: ^old_follower_address in u.following,
update: [
push: [following: ^user.follower_address]
]
)
Repo.update_all(query, [])
# Fix activities
query =
from(a in Activity,
where: fragment("?->>'actor' = ?", a.data, ^mapping[user.ap_id]),
update: [
set: [
data:
fragment(
"jsonb_set(jsonb_set(?, '{actor}', ?), '{to}', (?->'to')::jsonb || ?)",
a.data,
^user.ap_id,
a.data,
^[user.follower_address]
),
actor: ^user.ap_id
],
push: [
recipients: ^user.follower_address
]
]
)
Repo.update_all(query, [])
# Fix objects
query =
from(a in Object,
where: fragment("?->>'actor' = ?", a.data, ^mapping[user.ap_id]),
update: [
set: [
data:
fragment(
"jsonb_set(jsonb_set(?, '{actor}', ?), '{to}', (?->'to')::jsonb || ?)",
a.data,
^user.ap_id,
a.data,
^[user.follower_address]
)
]
]
)
Repo.update_all(query, [])
end)
end
end