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database.ex
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# Pleroma: A lightweight social networking server
# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Mix.Tasks.Pleroma.Database do
alias Pleroma.Conversation
alias Pleroma.Object
alias Pleroma.Repo
alias Pleroma.User
require Logger
require Pleroma.Constants
import Mix.Pleroma
use Mix.Task
@shortdoc "A collection of database related tasks"
@moduledoc File.read!("docs/administration/CLI_tasks/database.md")
def run(["remove_embedded_objects" | args]) do
{options, [], []} =
OptionParser.parse(
args,
strict: [
vacuum: :boolean
]
)
start_pleroma()
Logger.info("Removing embedded objects")
Repo.query!(
"update activities set data = safe_jsonb_set(data, '{object}'::text[], data->'object'->'id') where data->'object'->>'id' is not null;",
[],
timeout: :infinity
)
if Keyword.get(options, :vacuum) do
Logger.info("Runnning VACUUM FULL")
Repo.query!(
"vacuum full;",
[],
timeout: :infinity
)
end
end
def run(["bump_all_conversations"]) do
start_pleroma()
Conversation.bump_for_all_activities()
end
def run(["update_users_following_followers_counts"]) do
start_pleroma()
User
|> Repo.all()
|> Enum.each(&User.update_follower_count/1)
end
def run(["prune_objects" | args]) do
import Ecto.Query
{options, [], []} =
OptionParser.parse(
args,
strict: [
vacuum: :boolean
]
)
start_pleroma()
deadline = Pleroma.Config.get([:instance, :remote_post_retention_days])
Logger.info("Pruning objects older than #{deadline} days")
time_deadline =
NaiveDateTime.utc_now()
|> NaiveDateTime.add(-(deadline * 86_400))
from(o in Object,
where:
fragment(
"?->'to' \\? ? OR ?->'cc' \\? ?",
o.data,
^Pleroma.Constants.as_public(),
o.data,
^Pleroma.Constants.as_public()
),
where: o.inserted_at < ^time_deadline,
where:
fragment("split_part(?->>'actor', '/', 3) != ?", o.data, ^Pleroma.Web.Endpoint.host())
)
|> Repo.delete_all(timeout: :infinity)
if Keyword.get(options, :vacuum) do
Logger.info("Runnning VACUUM FULL")
Repo.query!(
"vacuum full;",
[],
timeout: :infinity
)
end
end
def run(["fix_likes_collections"]) do
import Ecto.Query
start_pleroma()
from(object in Object,
where: fragment("(?)->>'likes' is not null", object.data),
select: %{id: object.id, likes: fragment("(?)->>'likes'", object.data)}
)
|> Pleroma.RepoStreamer.chunk_stream(100)
|> Stream.each(fn objects ->
ids =
objects
|> Enum.filter(fn object -> object.likes |> Jason.decode!() |> is_map() end)
|> Enum.map(& &1.id)
Object
|> where([object], object.id in ^ids)
|> update([object],
set: [
data:
fragment(
"safe_jsonb_set(?, '{likes}', '[]'::jsonb, true)",
object.data
)
]
)
|> Repo.update_all([], timeout: :infinity)
end)
|> Stream.run()
end
end

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