159 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
			
		
		
	
	
			159 lines
		
	
	
	
		
			4 KiB
		
	
	
	
		
			Elixir
		
	
	
	
	
	
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Mix.Tasks.Pleroma.Database do
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  alias Pleroma.Conversation
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  alias Pleroma.Maintenance
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  alias Pleroma.Object
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  alias Pleroma.Repo
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  alias Pleroma.User
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  require Logger
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  require Pleroma.Constants
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  import Ecto.Query
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  import Mix.Pleroma
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  use Mix.Task
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  @shortdoc "A collection of database related tasks"
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  @moduledoc File.read!("docs/administration/CLI_tasks/database.md")
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  def run(["remove_embedded_objects" | args]) do
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    {options, [], []} =
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      OptionParser.parse(
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        args,
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        strict: [
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          vacuum: :boolean
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        ]
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      )
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    start_pleroma()
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    Logger.info("Removing embedded objects")
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    Repo.query!(
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      "update activities set data = safe_jsonb_set(data, '{object}'::text[], data->'object'->'id') where data->'object'->>'id' is not null;",
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      [],
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      timeout: :infinity
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    )
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    if Keyword.get(options, :vacuum) do
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      Maintenance.vacuum("full")
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    end
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  end
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  def run(["bump_all_conversations"]) do
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    start_pleroma()
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    Conversation.bump_for_all_activities()
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  end
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  def run(["update_users_following_followers_counts"]) do
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    start_pleroma()
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    User
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    |> Repo.all()
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    |> Enum.each(&User.update_follower_count/1)
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  end
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  def run(["prune_objects" | args]) do
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    {options, [], []} =
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      OptionParser.parse(
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        args,
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        strict: [
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          vacuum: :boolean
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        ]
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      )
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    start_pleroma()
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    deadline = Pleroma.Config.get([:instance, :remote_post_retention_days])
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    Logger.info("Pruning objects older than #{deadline} days")
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    time_deadline =
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      NaiveDateTime.utc_now()
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      |> NaiveDateTime.add(-(deadline * 86_400))
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    from(o in Object,
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      where:
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        fragment(
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          "?->'to' \\? ? OR ?->'cc' \\? ?",
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          o.data,
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          ^Pleroma.Constants.as_public(),
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          o.data,
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          ^Pleroma.Constants.as_public()
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        ),
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      where: o.inserted_at < ^time_deadline,
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      where:
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        fragment("split_part(?->>'actor', '/', 3) != ?", o.data, ^Pleroma.Web.Endpoint.host())
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    )
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    |> Repo.delete_all(timeout: :infinity)
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    if Keyword.get(options, :vacuum) do
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      Maintenance.vacuum("full")
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    end
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  end
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  def run(["fix_likes_collections"]) do
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    start_pleroma()
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    from(object in Object,
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      where: fragment("(?)->>'likes' is not null", object.data),
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      select: %{id: object.id, likes: fragment("(?)->>'likes'", object.data)}
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    )
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    |> Pleroma.RepoStreamer.chunk_stream(100)
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    |> Stream.each(fn objects ->
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      ids =
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        objects
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        |> Enum.filter(fn object -> object.likes |> Jason.decode!() |> is_map() end)
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        |> Enum.map(& &1.id)
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      Object
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      |> where([object], object.id in ^ids)
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      |> update([object],
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        set: [
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          data:
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            fragment(
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              "safe_jsonb_set(?, '{likes}', '[]'::jsonb, true)",
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              object.data
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            )
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        ]
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      )
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      |> Repo.update_all([], timeout: :infinity)
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    end)
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    |> Stream.run()
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  end
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  def run(["vacuum", args]) do
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    start_pleroma()
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    Maintenance.vacuum(args)
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  end
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  def run(["ensure_expiration"]) do
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    start_pleroma()
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    days = Pleroma.Config.get([:mrf_activity_expiration, :days], 365)
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    Pleroma.Activity
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    |> join(:left, [a], u in assoc(a, :expiration))
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    |> join(:inner, [a, _u], o in Object,
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      on:
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        fragment(
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          "(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
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          o.data,
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          a.data,
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          a.data
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        )
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    )
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    |> where(local: true)
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    |> where([a, u], is_nil(u))
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    |> where([a], fragment("(? ->> 'type'::text) = 'Create'", a.data))
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    |> where([_a, _u, o], fragment("?->>'type' = 'Note'", o.data))
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    |> Pleroma.RepoStreamer.chunk_stream(100)
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    |> Stream.each(fn activities ->
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      Enum.each(activities, fn activity ->
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        expires_at = Timex.shift(activity.inserted_at, days: days)
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        Pleroma.ActivityExpiration.create(activity, expires_at, false)
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      end)
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    end)
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    |> Stream.run()
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  end
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end
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