# Pleroma: A lightweight social networking server
-# Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Mix.Tasks.Pleroma.Database do
- alias Mix.Tasks.Pleroma.Common
+ alias Pleroma.Conversation
+ alias Pleroma.Maintenance
+ alias Pleroma.Object
+ alias Pleroma.Repo
+ alias Pleroma.User
+ require Logger
+ require Pleroma.Constants
+ import Ecto.Query
+ import Mix.Pleroma
use Mix.Task
@shortdoc "A collection of database related tasks"
- @moduledoc """
- A collection of database related tasks
+ @moduledoc File.read!("docs/administration/CLI_tasks/database.md")
- ## Replace embedded objects with their references
+ def run(["remove_embedded_objects" | args]) do
+ {options, [], []} =
+ OptionParser.parse(
+ args,
+ strict: [
+ vacuum: :boolean
+ ]
+ )
- Replaces embedded objects with references to them in the `objects` table. Only needs to be ran once. The reason why this is not a migration is because it could significantly increase the database size after being ran, however after this `VACUUM FULL` will be able to reclaim about 20% (really depends on what is in the database, your mileage may vary) of the db size before the migration.
+ start_pleroma()
+ Logger.info("Removing embedded objects")
- mix pleroma.database remove_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
+ )
- Options:
- - `--vacuum` - run `VACUUM FULL` after the embedded objects are replaced with their references
- """
- def run(["remove_embedded_objects" | args]) do
+ if Keyword.get(options, :vacuum) do
+ Maintenance.vacuum("full")
+ 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
{options, [], []} =
OptionParser.parse(
args,
]
)
- Common.start_pleroma()
+ start_pleroma()
- Ecto.Adapters.SQL.query!(
- Pleroma.Repo,
- "update activities set data = jsonb_set(data, '{object}'::text[], data->'object'->'id') where data->'object'->>'id' is not null;"
+ 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
- Ecto.Adapters.SQL.query!(
- Pleroma.Repo,
- "vacuum full;"
- )
+ Maintenance.vacuum("full")
end
end
+
+ def run(["fix_likes_collections"]) do
+ start_pleroma()
+
+ from(object in Object,
+ where: fragment("(?)->>'likes' is not null", object.data),
+ select: %{id: object.id, likes: fragment("(?)->>'likes'", object.data)}
+ )
+ |> Pleroma.Repo.chunk_stream(100, :batches)
+ |> 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
+
+ def run(["vacuum", args]) do
+ start_pleroma()
+
+ Maintenance.vacuum(args)
+ end
+
+ def run(["ensure_expiration"]) do
+ start_pleroma()
+ days = Pleroma.Config.get([:mrf_activity_expiration, :days], 365)
+
+ Pleroma.Activity
+ |> join(:inner, [a], o in Object,
+ on:
+ fragment(
+ "(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
+ o.data,
+ a.data,
+ a.data
+ )
+ )
+ |> where(local: true)
+ |> where([a], fragment("(? ->> 'type'::text) = 'Create'", a.data))
+ |> where([_a, o], fragment("?->>'type' = 'Note'", o.data))
+ |> Pleroma.Repo.chunk_stream(100, :batches)
+ |> Stream.each(fn activities ->
+ Enum.each(activities, fn activity ->
+ expires_at =
+ activity.inserted_at
+ |> DateTime.from_naive!("Etc/UTC")
+ |> Timex.shift(days: days)
+
+ Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
+ activity_id: activity.id,
+ expires_at: expires_at
+ })
+ end)
+ end)
+ |> Stream.run()
+ end
end