7695010268
This adds an option to the prune_objects mix task.
The original way deleted all non-local public posts older than a certain time frame.
Here we add a different query which you can call using the option --keep-threads.
We query from the activities table all context id's where
1. the newest activity with this context is still old
2. none of the activities with this context is is local
3. none of the activities with this context is bookmarked
and delete all objects with these contexts.
The idea is that posts with local activities (posts, replies, likes, repeats...) may be interesting to keep.
Besides that, a post lives in a certain context (the thread), so we keep the whole thread as well.
Caveats:
* ~~Quotes have a different context. Therefore, when someone quotes a post, it's possible the quoted post will still be deleted.~~ fixed in https://akkoma.dev/AkkomaGang/akkoma/pulls/379
* Although undocumented (in docs/docs/administration/CLI_tasks/database.md/#prune-old-remote-posts-from-the-database), the 'normal' delete action still kept old remote non-public posts. I added an option to keep this behaviour, but this also means that you now have to explicitly provide that option. **This could be considered a breaking change!**
* ~~Note that this removes from the objects table, but not from the activities.~~ See https://akkoma.dev/AkkomaGang/akkoma/pulls/427 for that.
Some statistics from explain analyse:
(cost=1402845.92..1933782.00 rows=3810907 width=62) (actual time=2562455.486..2562455.495 rows=0 loops=1)
Planning Time: 505.327 ms
Trigger for constraint chat_message_references_object_id_fkey: time=651939.797 calls=921740
Trigger for constraint deliveries_object_id_fkey: time=52036.009 calls=921740
Trigger for constraint hashtags_objects_object_id_fkey: time=20665.778 calls=921740
Execution Time: 3287933.902 ms
***
**TODO**
1. [x] **Question:** Is it OK to keep it like this in regard to quote posts? If not (ie post quoted by local users should also be kept), should we give quotes the same context as the post they are quoting? (If we don't want to give them the same context, I'll have to see how/if I can do it without being too costly)
* See https://akkoma.dev/AkkomaGang/akkoma/pulls/379
2. [x] **Question:** the "original" query only deletes public posts (this is undocumented, but you can check the code). This new one doesn't care for scope. From the docs I get that the idea is that posts can be refetched when needed. But I have from a trusted source that Pleroma can't refetch non-public posts. I assume that's the reason why they are kept here. I see different options to deal with this
1. ~~We keep it as currently implemented and just don't care about scope with this option~~
2. ~~We add logic to not delete non-public posts either (I'll have to see how costly that becomes)~~
3. We add an extra --keep-non-public parameter. This is technically speaking breakage (you didn't have to provide a param before for this, now you do), but I'm inclined to not care much because it wasn't documented nor tested in the first place.
3. [x] See if we can do the query using Elixir
4. [x] Test on a bigger DB to see that we don't run into a timeout
5. [x] Add docs
Co-authored-by: ilja <git@ilja.space>
Reviewed-on: https://akkoma.dev/AkkomaGang/akkoma/pulls/350
Co-authored-by: ilja <akkoma.dev@ilja.space>
Co-committed-by: ilja <akkoma.dev@ilja.space>
461 lines
14 KiB
Elixir
461 lines
14 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Mix.Tasks.Pleroma.DatabaseTest do
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use Pleroma.DataCase, async: true
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use Oban.Testing, repo: Pleroma.Repo
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alias Pleroma.Activity
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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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alias Pleroma.Web.CommonAPI
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import Pleroma.Factory
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setup_all do
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Mix.shell(Mix.Shell.Process)
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on_exit(fn ->
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Mix.shell(Mix.Shell.IO)
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end)
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:ok
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end
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describe "running remove_embedded_objects" do
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test "it replaces objects with references" do
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user = insert(:user)
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{:ok, activity} = CommonAPI.post(user, %{status: "test"})
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new_data = Map.put(activity.data, "object", activity.object.data)
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{:ok, activity} =
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activity
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|> Activity.change(%{data: new_data})
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|> Repo.update()
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assert is_map(activity.data["object"])
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Mix.Tasks.Pleroma.Database.run(["remove_embedded_objects"])
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activity = Activity.get_by_id_with_object(activity.id)
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assert is_binary(activity.data["object"])
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end
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end
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describe "prune_objects" do
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test "it prunes old objects from the database" do
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deadline = Pleroma.Config.get([:instance, :remote_post_retention_days]) + 1
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date =
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Timex.now()
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|> Timex.shift(days: -deadline)
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|> Timex.to_naive_datetime()
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|> NaiveDateTime.truncate(:second)
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insert(:note)
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%{id: note_remote_public_id} =
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:note
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|> insert()
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|> Ecto.Changeset.change(%{updated_at: date})
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|> Repo.update!()
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note_remote_non_public =
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%{id: note_remote_non_public_id, data: note_remote_non_public_data} =
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:note
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|> insert()
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note_remote_non_public
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|> Ecto.Changeset.change(%{
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updated_at: date,
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data: note_remote_non_public_data |> update_in(["to"], fn _ -> [] end)
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})
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|> Repo.update!()
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assert length(Repo.all(Object)) == 3
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Mix.Tasks.Pleroma.Database.run(["prune_objects"])
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assert length(Repo.all(Object)) == 1
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refute Object.get_by_id(note_remote_public_id)
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refute Object.get_by_id(note_remote_non_public_id)
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end
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test "with the --keep-non-public option it still keeps non-public posts even if they are not local" do
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deadline = Pleroma.Config.get([:instance, :remote_post_retention_days]) + 1
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date =
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Timex.now()
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|> Timex.shift(days: -deadline)
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|> Timex.to_naive_datetime()
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|> NaiveDateTime.truncate(:second)
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insert(:note)
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%{id: note_remote_id} =
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:note
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|> insert()
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|> Ecto.Changeset.change(%{updated_at: date})
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|> Repo.update!()
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note_remote_non_public =
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%{data: note_remote_non_public_data} =
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:note
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|> insert()
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note_remote_non_public
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|> Ecto.Changeset.change(%{
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updated_at: date,
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data: note_remote_non_public_data |> update_in(["to"], fn _ -> [] end)
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})
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|> Repo.update!()
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assert length(Repo.all(Object)) == 3
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Mix.Tasks.Pleroma.Database.run(["prune_objects", "--keep-non-public"])
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assert length(Repo.all(Object)) == 2
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refute Object.get_by_id(note_remote_id)
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end
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test "with the --keep-threads and --keep-non-public option it keeps old threads with non-public replies even if the interaction is not local" do
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# For non-public we only check Create Activities because only these are relevant for threads
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# Flags are always non-public, Announces from relays can be non-public...
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deadline = Pleroma.Config.get([:instance, :remote_post_retention_days]) + 1
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old_insert_date =
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Timex.now()
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|> Timex.shift(days: -deadline)
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|> Timex.to_naive_datetime()
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|> NaiveDateTime.truncate(:second)
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remote_user1 = insert(:user, local: false)
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remote_user2 = insert(:user, local: false)
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# Old remote non-public reply (should be kept)
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{:ok, old_remote_post1_activity} =
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CommonAPI.post(remote_user1, %{status: "some thing", local: false})
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old_remote_post1_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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{:ok, old_remote_non_public_reply_activity} =
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CommonAPI.post(remote_user2, %{
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status: "some reply",
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in_reply_to_status_id: old_remote_post1_activity.id
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})
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old_remote_non_public_reply_activity
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|> Ecto.Changeset.change(%{
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local: false,
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updated_at: old_insert_date,
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data: old_remote_non_public_reply_activity.data |> update_in(["to"], fn _ -> [] end)
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})
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|> Repo.update!()
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# Old remote non-public Announce (should be removed)
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{:ok, old_remote_post2_activity = %{data: %{"object" => old_remote_post2_id}}} =
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CommonAPI.post(remote_user1, %{status: "some thing", local: false})
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old_remote_post2_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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{:ok, old_remote_non_public_repeat_activity} =
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CommonAPI.repeat(old_remote_post2_activity.id, remote_user2)
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old_remote_non_public_repeat_activity
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|> Ecto.Changeset.change(%{
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local: false,
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updated_at: old_insert_date,
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data: old_remote_non_public_repeat_activity.data |> update_in(["to"], fn _ -> [] end)
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})
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|> Repo.update!()
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assert length(Repo.all(Object)) == 3
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Mix.Tasks.Pleroma.Database.run(["prune_objects", "--keep-threads", "--keep-non-public"])
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Repo.all(Pleroma.Activity)
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assert length(Repo.all(Object)) == 2
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refute Object.get_by_ap_id(old_remote_post2_id)
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end
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test "with the --keep-threads option it still keeps non-old threads even with no local interactions" do
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remote_user = insert(:user, local: false)
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remote_user2 = insert(:user, local: false)
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{:ok, remote_post_activity} =
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CommonAPI.post(remote_user, %{status: "some thing", local: false})
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{:ok, remote_post_reply_activity} =
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CommonAPI.post(remote_user2, %{
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status: "some reply",
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in_reply_to_status_id: remote_post_activity.id
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})
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remote_post_activity
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|> Ecto.Changeset.change(%{local: false})
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|> Repo.update!()
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remote_post_reply_activity
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|> Ecto.Changeset.change(%{local: false})
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|> Repo.update!()
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assert length(Repo.all(Object)) == 2
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Mix.Tasks.Pleroma.Database.run(["prune_objects", "--keep-threads"])
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assert length(Repo.all(Object)) == 2
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end
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test "with the --keep-threads option it deletes old threads with no local interaction" do
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deadline = Pleroma.Config.get([:instance, :remote_post_retention_days]) + 1
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old_insert_date =
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Timex.now()
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|> Timex.shift(days: -deadline)
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|> Timex.to_naive_datetime()
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|> NaiveDateTime.truncate(:second)
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remote_user = insert(:user, local: false)
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remote_user2 = insert(:user, local: false)
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{:ok, old_remote_post_activity} =
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CommonAPI.post(remote_user, %{status: "some thing", local: false})
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old_remote_post_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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{:ok, old_remote_post_reply_activity} =
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CommonAPI.post(remote_user2, %{
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status: "some reply",
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in_reply_to_status_id: old_remote_post_activity.id
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})
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old_remote_post_reply_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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{:ok, old_favourite_activity} =
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CommonAPI.favorite(remote_user2, old_remote_post_activity.id)
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old_favourite_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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{:ok, old_repeat_activity} = CommonAPI.repeat(old_remote_post_activity.id, remote_user2)
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old_repeat_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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assert length(Repo.all(Object)) == 2
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Mix.Tasks.Pleroma.Database.run(["prune_objects", "--keep-threads"])
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assert length(Repo.all(Object)) == 0
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end
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test "with the --keep-threads option it keeps old threads with local interaction" do
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deadline = Pleroma.Config.get([:instance, :remote_post_retention_days]) + 1
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old_insert_date =
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Timex.now()
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|> Timex.shift(days: -deadline)
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|> Timex.to_naive_datetime()
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|> NaiveDateTime.truncate(:second)
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remote_user = insert(:user, local: false)
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local_user = insert(:user, local: true)
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# local reply
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{:ok, old_remote_post1_activity} =
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CommonAPI.post(remote_user, %{status: "some thing", local: false})
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old_remote_post1_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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{:ok, old_local_post2_reply_activity} =
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CommonAPI.post(local_user, %{
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status: "some reply",
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in_reply_to_status_id: old_remote_post1_activity.id
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})
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old_local_post2_reply_activity
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|> Ecto.Changeset.change(%{local: true, updated_at: old_insert_date})
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|> Repo.update!()
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# local Like
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{:ok, old_remote_post3_activity} =
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CommonAPI.post(remote_user, %{status: "some thing", local: false})
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old_remote_post3_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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{:ok, old_favourite_activity} = CommonAPI.favorite(local_user, old_remote_post3_activity.id)
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old_favourite_activity
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|> Ecto.Changeset.change(%{local: true, updated_at: old_insert_date})
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|> Repo.update!()
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# local Announce
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{:ok, old_remote_post4_activity} =
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CommonAPI.post(remote_user, %{status: "some thing", local: false})
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old_remote_post4_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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{:ok, old_repeat_activity} = CommonAPI.repeat(old_remote_post4_activity.id, local_user)
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old_repeat_activity
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|> Ecto.Changeset.change(%{local: true, updated_at: old_insert_date})
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|> Repo.update!()
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assert length(Repo.all(Object)) == 4
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Mix.Tasks.Pleroma.Database.run(["prune_objects", "--keep-threads"])
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assert length(Repo.all(Object)) == 4
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end
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test "with the --keep-threads option it keeps old threads with bookmarked posts" do
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deadline = Pleroma.Config.get([:instance, :remote_post_retention_days]) + 1
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old_insert_date =
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Timex.now()
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|> Timex.shift(days: -deadline)
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|> Timex.to_naive_datetime()
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|> NaiveDateTime.truncate(:second)
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remote_user = insert(:user, local: false)
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local_user = insert(:user, local: true)
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{:ok, old_remote_post_activity} =
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CommonAPI.post(remote_user, %{status: "some thing", local: false})
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old_remote_post_activity
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|> Ecto.Changeset.change(%{local: false, updated_at: old_insert_date})
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|> Repo.update!()
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Pleroma.Bookmark.create(local_user.id, old_remote_post_activity.id)
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assert length(Repo.all(Object)) == 1
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Mix.Tasks.Pleroma.Database.run(["prune_objects", "--keep-threads"])
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assert length(Repo.all(Object)) == 1
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end
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end
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describe "running update_users_following_followers_counts" do
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test "following and followers count are updated" do
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[user, user2] = insert_pair(:user)
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{:ok, %User{} = user, _user2} = User.follow(user, user2)
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following = User.following(user)
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assert length(following) == 2
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assert user.follower_count == 0
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{:ok, user} =
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user
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|> Ecto.Changeset.change(%{follower_count: 3})
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|> Repo.update()
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assert user.follower_count == 3
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assert {:ok, :ok} ==
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Mix.Tasks.Pleroma.Database.run(["update_users_following_followers_counts"])
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user = User.get_by_id(user.id)
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assert length(User.following(user)) == 2
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assert user.follower_count == 0
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end
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end
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describe "running fix_likes_collections" do
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test "it turns OrderedCollection likes into empty arrays" do
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[user, user2] = insert_pair(:user)
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{:ok, %{id: id, object: object}} = CommonAPI.post(user, %{status: "test"})
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{:ok, %{object: object2}} = CommonAPI.post(user, %{status: "test test"})
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CommonAPI.favorite(user2, id)
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likes = %{
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"first" =>
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"http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes?page=1",
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"id" => "http://mastodon.example.org/objects/dbdbc507-52c8-490d-9b7c-1e1d52e5c132/likes",
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"totalItems" => 3,
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"type" => "OrderedCollection"
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}
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new_data = Map.put(object2.data, "likes", likes)
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object2
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|> Ecto.Changeset.change(%{data: new_data})
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|> Repo.update()
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assert length(Object.get_by_id(object.id).data["likes"]) == 1
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assert is_map(Object.get_by_id(object2.id).data["likes"])
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assert :ok == Mix.Tasks.Pleroma.Database.run(["fix_likes_collections"])
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assert length(Object.get_by_id(object.id).data["likes"]) == 1
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assert Enum.empty?(Object.get_by_id(object2.id).data["likes"])
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end
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end
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describe "ensure_expiration" do
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test "it adds to expiration old statuses" do
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activity1 = insert(:note_activity)
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{:ok, inserted_at, 0} = DateTime.from_iso8601("2015-01-23T23:50:07Z")
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activity2 = insert(:note_activity, %{inserted_at: inserted_at})
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%{id: activity_id3} = insert(:note_activity)
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expires_at = DateTime.add(DateTime.utc_now(), 60 * 61)
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Pleroma.Workers.PurgeExpiredActivity.enqueue(%{
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activity_id: activity_id3,
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expires_at: expires_at
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})
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Mix.Tasks.Pleroma.Database.run(["ensure_expiration"])
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|
assert_enqueued(
|
|
worker: Pleroma.Workers.PurgeExpiredActivity,
|
|
args: %{activity_id: activity1.id},
|
|
scheduled_at:
|
|
activity1.inserted_at
|
|
|> DateTime.from_naive!("Etc/UTC")
|
|
|> Timex.shift(days: 365)
|
|
)
|
|
|
|
assert_enqueued(
|
|
worker: Pleroma.Workers.PurgeExpiredActivity,
|
|
args: %{activity_id: activity2.id},
|
|
scheduled_at:
|
|
activity2.inserted_at
|
|
|> DateTime.from_naive!("Etc/UTC")
|
|
|> Timex.shift(days: 365)
|
|
)
|
|
|
|
assert_enqueued(
|
|
worker: Pleroma.Workers.PurgeExpiredActivity,
|
|
args: %{activity_id: activity_id3},
|
|
scheduled_at: expires_at
|
|
)
|
|
end
|
|
end
|
|
end
|