mirror of
https://akkoma.dev/AkkomaGang/akkoma.git
synced 2024-11-14 13:14:57 +00:00
c1b6952d2a
- Try to normalize the activity instead of object wherever possible - Put the `user` key on non-home timelines as well so bookmarks and thread mutes are preloaded there as well - Skip trying to get the user when rendering mentions if the id == as:Public or user's follower collection - Preload the object when getting replied to activities and do not crash if it's not present This almost solves the problem of Pleroma hammering the db with a lot of queries when rendering timelines, the things left are 1. When rendering mentions and the user is not in cache, save it for later and request all uncached users in one go 2. Somehow get rid of needing to get the latest follow activity to detect the value of `requested` in a relationship. (create a database view for user relationship and cache it maybe?)
371 lines
9.7 KiB
Elixir
371 lines
9.7 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Activity do
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use Ecto.Schema
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alias Pleroma.Activity
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alias Pleroma.Bookmark
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alias Pleroma.Notification
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alias Pleroma.Object
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alias Pleroma.Repo
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alias Pleroma.ThreadMute
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alias Pleroma.User
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import Ecto.Changeset
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import Ecto.Query
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@type t :: %__MODULE__{}
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@type actor :: String.t()
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@primary_key {:id, Pleroma.FlakeId, autogenerate: true}
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# https://github.com/tootsuite/mastodon/blob/master/app/models/notification.rb#L19
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@mastodon_notification_types %{
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"Create" => "mention",
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"Follow" => "follow",
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"Announce" => "reblog",
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"Like" => "favourite"
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}
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@mastodon_to_ap_notification_types for {k, v} <- @mastodon_notification_types,
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into: %{},
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do: {v, k}
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schema "activities" do
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field(:data, :map)
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field(:local, :boolean, default: true)
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field(:actor, :string)
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field(:recipients, {:array, :string}, default: [])
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field(:thread_muted?, :boolean, virtual: true)
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# This is a fake relation, do not use outside of with_preloaded_bookmark/get_bookmark
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has_one(:bookmark, Bookmark)
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has_many(:notifications, Notification, on_delete: :delete_all)
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# Attention: this is a fake relation, don't try to preload it blindly and expect it to work!
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# The foreign key is embedded in a jsonb field.
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#
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# To use it, you probably want to do an inner join and a preload:
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#
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# ```
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# |> join(:inner, [activity], o in Object,
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# on: fragment("(?->>'id') = COALESCE((?)->'object'->> 'id', (?)->>'object')",
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# o.data, activity.data, activity.data))
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# |> preload([activity, object], [object: object])
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# ```
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#
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# As a convenience, Activity.with_preloaded_object() sets up an inner join and preload for the
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# typical case.
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has_one(:object, Object, on_delete: :nothing, foreign_key: :id)
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timestamps()
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end
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def with_joined_object(query) do
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join(query, :inner, [activity], 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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activity.data,
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activity.data
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),
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as: :object
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)
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end
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def with_preloaded_object(query) do
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query
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|> has_named_binding?(:object)
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|> if(do: query, else: with_joined_object(query))
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|> preload([activity, object: object], object: object)
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end
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def with_preloaded_bookmark(query, %User{} = user) do
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from([a] in query,
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left_join: b in Bookmark,
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on: b.user_id == ^user.id and b.activity_id == a.id,
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preload: [bookmark: b]
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)
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end
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def with_preloaded_bookmark(query, _), do: query
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def with_set_thread_muted_field(query, %User{} = user) do
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from([a] in query,
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left_join: tm in ThreadMute,
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on: tm.user_id == ^user.id and tm.context == fragment("?->>'context'", a.data),
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select: %Activity{a | thread_muted?: not is_nil(tm.id)}
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)
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end
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def with_set_thread_muted_field(query, _), do: query
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def get_by_ap_id(ap_id) do
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Repo.one(
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from(
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activity in Activity,
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where: fragment("(?)->>'id' = ?", activity.data, ^to_string(ap_id))
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)
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)
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end
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def get_bookmark(%Activity{} = activity, %User{} = user) do
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if Ecto.assoc_loaded?(activity.bookmark) do
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activity.bookmark
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else
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Bookmark.get(user.id, activity.id)
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end
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end
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def get_bookmark(_, _), do: nil
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def change(struct, params \\ %{}) do
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struct
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|> cast(params, [:data, :recipients])
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|> validate_required([:data])
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|> unique_constraint(:ap_id, name: :activities_unique_apid_index)
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end
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def get_by_ap_id_with_object(ap_id) do
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Repo.one(
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from(
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activity in Activity,
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where: fragment("(?)->>'id' = ?", activity.data, ^to_string(ap_id)),
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left_join: 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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activity.data,
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activity.data
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),
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preload: [object: o]
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)
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)
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end
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def get_by_id(id) do
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Activity
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|> where([a], a.id == ^id)
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|> restrict_deactivated_users()
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|> Repo.one()
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end
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def get_by_id_with_object(id) do
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from(activity in Activity,
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where: activity.id == ^id,
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inner_join: 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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activity.data,
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activity.data
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),
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preload: [object: o]
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)
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|> Repo.one()
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end
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def by_object_ap_id(ap_id) do
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from(
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activity in Activity,
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where:
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fragment(
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"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
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activity.data,
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activity.data,
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^to_string(ap_id)
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)
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)
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end
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def create_by_object_ap_id(ap_ids) when is_list(ap_ids) do
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from(
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activity in Activity,
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where:
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fragment(
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"coalesce((?)->'object'->>'id', (?)->>'object') = ANY(?)",
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activity.data,
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activity.data,
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^ap_ids
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),
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where: fragment("(?)->>'type' = 'Create'", activity.data)
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)
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end
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def create_by_object_ap_id(ap_id) when is_binary(ap_id) do
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from(
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activity in Activity,
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where:
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fragment(
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"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
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activity.data,
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activity.data,
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^to_string(ap_id)
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),
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where: fragment("(?)->>'type' = 'Create'", activity.data)
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)
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end
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def create_by_object_ap_id(_), do: nil
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def get_all_create_by_object_ap_id(ap_id) do
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Repo.all(create_by_object_ap_id(ap_id))
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end
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def get_create_by_object_ap_id(ap_id) when is_binary(ap_id) do
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create_by_object_ap_id(ap_id)
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|> restrict_deactivated_users()
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|> Repo.one()
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end
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def get_create_by_object_ap_id(_), do: nil
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def create_by_object_ap_id_with_object(ap_ids) when is_list(ap_ids) do
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from(
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activity in Activity,
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where:
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fragment(
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"coalesce((?)->'object'->>'id', (?)->>'object') = ANY(?)",
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activity.data,
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activity.data,
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^ap_ids
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),
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where: fragment("(?)->>'type' = 'Create'", activity.data),
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inner_join: 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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activity.data,
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activity.data
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),
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preload: [object: o]
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)
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end
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def create_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
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from(
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activity in Activity,
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where:
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fragment(
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"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
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activity.data,
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activity.data,
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^to_string(ap_id)
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),
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where: fragment("(?)->>'type' = 'Create'", activity.data),
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inner_join: 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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activity.data,
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activity.data
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),
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preload: [object: o]
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)
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end
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def create_by_object_ap_id_with_object(_), do: nil
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def get_create_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
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ap_id
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|> create_by_object_ap_id_with_object()
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|> Repo.one()
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end
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def get_create_by_object_ap_id_with_object(_), do: nil
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defp get_in_reply_to_activity_from_object(%Object{data: %{"inReplyTo" => ap_id}}) do
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get_create_by_object_ap_id_with_object(ap_id)
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end
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defp get_in_reply_to_activity_from_object(_), do: nil
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def get_in_reply_to_activity(%Activity{} = activity) do
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get_in_reply_to_activity_from_object(Object.normalize(activity))
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end
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def normalize(obj) when is_map(obj), do: get_by_ap_id_with_object(obj["id"])
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def normalize(ap_id) when is_binary(ap_id), do: get_by_ap_id_with_object(ap_id)
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def normalize(_), do: nil
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def delete_by_ap_id(id) when is_binary(id) do
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by_object_ap_id(id)
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|> select([u], u)
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|> Repo.delete_all()
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|> elem(1)
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|> Enum.find(fn
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%{data: %{"type" => "Create", "object" => ap_id}} when is_binary(ap_id) -> ap_id == id
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%{data: %{"type" => "Create", "object" => %{"id" => ap_id}}} -> ap_id == id
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_ -> nil
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end)
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end
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def delete_by_ap_id(_), do: nil
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for {ap_type, type} <- @mastodon_notification_types do
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def mastodon_notification_type(%Activity{data: %{"type" => unquote(ap_type)}}),
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do: unquote(type)
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end
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def mastodon_notification_type(%Activity{}), do: nil
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def from_mastodon_notification_type(type) do
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Map.get(@mastodon_to_ap_notification_types, type)
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end
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def all_by_actor_and_id(actor, status_ids \\ [])
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def all_by_actor_and_id(_actor, []), do: []
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def all_by_actor_and_id(actor, status_ids) do
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Activity
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|> where([s], s.id in ^status_ids)
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|> where([s], s.actor == ^actor)
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|> Repo.all()
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end
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def follow_requests_for_actor(%Pleroma.User{ap_id: ap_id}) do
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from(
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a in Activity,
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where:
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fragment(
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"? ->> 'type' = 'Follow'",
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a.data
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),
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where:
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fragment(
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"? ->> 'state' = 'pending'",
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a.data
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),
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where:
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fragment(
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"coalesce((?)->'object'->>'id', (?)->>'object') = ?",
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a.data,
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a.data,
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^ap_id
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)
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)
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end
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@spec query_by_actor(actor()) :: Ecto.Query.t()
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def query_by_actor(actor) do
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from(a in Activity, where: a.actor == ^actor)
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end
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def restrict_deactivated_users(query) do
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from(activity in query,
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where:
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fragment(
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"? not in (SELECT ap_id FROM users WHERE info->'deactivated' @> 'true')",
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activity.actor
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)
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)
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end
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defdelegate search(user, query, options \\ []), to: Pleroma.Activity.Search
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end
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