# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Activity do
use Ecto.Schema
alias Pleroma.Activity
- alias Pleroma.ActivityExpiration
+ alias Pleroma.Activity.Queries
alias Pleroma.Bookmark
alias Pleroma.Notification
alias Pleroma.Object
alias Pleroma.Repo
+ alias Pleroma.ReportNote
alias Pleroma.ThreadMute
alias Pleroma.User
+ alias Pleroma.Web.ActivityPub.ActivityPub
import Ecto.Changeset
import Ecto.Query
@type t :: %__MODULE__{}
@type actor :: String.t()
- @primary_key {:id, Pleroma.FlakeId, autogenerate: true}
+ @primary_key {:id, FlakeId.Ecto.CompatType, autogenerate: true}
- # https://github.com/tootsuite/mastodon/blob/master/app/models/notification.rb#L19
- @mastodon_notification_types %{
- "Create" => "mention",
- "Follow" => "follow",
- "Announce" => "reblog",
- "Like" => "favourite"
- }
-
- @mastodon_to_ap_notification_types for {k, v} <- @mastodon_notification_types,
- into: %{},
- do: {v, k}
+ @cachex Pleroma.Config.get([:cachex, :provider], Cachex)
schema "activities" do
field(:data, :map)
field(:actor, :string)
field(:recipients, {:array, :string}, default: [])
field(:thread_muted?, :boolean, virtual: true)
+
+ # A field that can be used if you need to join some kind of other
+ # id to order / paginate this field by
+ field(:pagination_id, :string, virtual: true)
+
+ # This is a fake relation,
+ # do not use outside of with_preloaded_user_actor/with_joined_user_actor
+ has_one(:user_actor, User, on_delete: :nothing, foreign_key: :id)
# This is a fake relation, do not use outside of with_preloaded_bookmark/get_bookmark
has_one(:bookmark, Bookmark)
+ # This is a fake relation, do not use outside of with_preloaded_report_notes
+ has_many(:report_notes, ReportNote)
has_many(:notifications, Notification, on_delete: :delete_all)
# Attention: this is a fake relation, don't try to preload it blindly and expect it to work!
# typical case.
has_one(:object, Object, on_delete: :nothing, foreign_key: :id)
- has_one(:expiration, ActivityExpiration, on_delete: :delete_all)
-
timestamps()
end
- def with_joined_object(query) do
- join(query, :inner, [activity], o in Object,
+ def with_joined_object(query, join_type \\ :inner) do
+ join(query, join_type, [activity], o in Object,
on:
fragment(
"(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
)
end
- def with_preloaded_object(query) do
+ def with_preloaded_object(query, join_type \\ :inner) do
query
|> has_named_binding?(:object)
- |> if(do: query, else: with_joined_object(query))
+ |> if(do: query, else: with_joined_object(query, join_type))
|> preload([activity, object: object], object: object)
end
+ # Note: applies to fake activities (ActivityPub.Utils.get_notified_from_object/1 etc.)
+ def user_actor(%Activity{actor: nil}), do: nil
+
+ def user_actor(%Activity{} = activity) do
+ with %User{} <- activity.user_actor do
+ activity.user_actor
+ else
+ _ -> User.get_cached_by_ap_id(activity.actor)
+ end
+ end
+
+ def with_joined_user_actor(query, join_type \\ :inner) do
+ join(query, join_type, [activity], u in User,
+ on: u.ap_id == activity.actor,
+ as: :user_actor
+ )
+ end
+
+ def with_preloaded_user_actor(query, join_type \\ :inner) do
+ query
+ |> with_joined_user_actor(join_type)
+ |> preload([activity, user_actor: user_actor], user_actor: user_actor)
+ end
+
def with_preloaded_bookmark(query, %User{} = user) do
from([a] in query,
left_join: b in Bookmark,
def with_preloaded_bookmark(query, _), do: query
+ def with_preloaded_report_notes(query) do
+ from([a] in query,
+ left_join: r in ReportNote,
+ on: a.id == r.activity_id,
+ preload: [report_notes: r]
+ )
+ end
+
+ def with_preloaded_report_notes(query, _), do: query
+
def with_set_thread_muted_field(query, %User{} = user) do
from([a] in query,
left_join: tm in ThreadMute,
def with_set_thread_muted_field(query, _), do: query
def get_by_ap_id(ap_id) do
- Repo.one(
- from(
- activity in Activity,
- where: fragment("(?)->>'id' = ?", activity.data, ^to_string(ap_id))
- )
- )
+ ap_id
+ |> Queries.by_ap_id()
+ |> Repo.one()
end
def get_bookmark(%Activity{} = activity, %User{} = user) do
def get_bookmark(_, _), do: nil
+ def get_report(activity_id) do
+ opts = %{
+ type: "Flag",
+ skip_preload: true,
+ preload_report_notes: true
+ }
+
+ ActivityPub.fetch_activities_query([], opts)
+ |> where(id: ^activity_id)
+ |> Repo.one()
+ end
+
def change(struct, params \\ %{}) do
struct
|> cast(params, [:data, :recipients])
end
def get_by_ap_id_with_object(ap_id) do
- Repo.one(
- from(
- activity in Activity,
- where: fragment("(?)->>'id' = ?", activity.data, ^to_string(ap_id)),
- left_join: o in Object,
- on:
- fragment(
- "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
- o.data,
- activity.data,
- activity.data
- ),
- preload: [object: o]
- )
- )
+ ap_id
+ |> Queries.by_ap_id()
+ |> with_preloaded_object(:left)
+ |> Repo.one()
end
+ @spec get_by_id(String.t()) :: Activity.t() | nil
def get_by_id(id) do
- Activity
- |> where([a], a.id == ^id)
- |> restrict_deactivated_users()
- |> Repo.one()
+ case FlakeId.flake_id?(id) do
+ true ->
+ Activity
+ |> where([a], a.id == ^id)
+ |> restrict_deactivated_users()
+ |> Repo.one()
+
+ _ ->
+ nil
+ end
end
- def get_by_id_with_object(id) do
- from(activity in Activity,
- where: activity.id == ^id,
- inner_join: o in Object,
- on:
- fragment(
- "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
- o.data,
- activity.data,
- activity.data
- ),
- preload: [object: o]
- )
- |> Repo.one()
- end
+ def get_by_id_with_user_actor(id) do
+ case FlakeId.flake_id?(id) do
+ true ->
+ Activity
+ |> where([a], a.id == ^id)
+ |> with_preloaded_user_actor()
+ |> Repo.one()
- def by_object_ap_id(ap_id) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- activity.data,
- activity.data,
- ^to_string(ap_id)
- )
- )
+ _ ->
+ nil
+ end
end
- def create_by_object_ap_id(ap_ids) when is_list(ap_ids) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ANY(?)",
- activity.data,
- activity.data,
- ^ap_ids
- ),
- where: fragment("(?)->>'type' = 'Create'", activity.data)
- )
+ def get_by_id_with_object(id) do
+ Activity
+ |> where(id: ^id)
+ |> with_preloaded_object()
+ |> Repo.one()
end
- def create_by_object_ap_id(ap_id) when is_binary(ap_id) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- activity.data,
- activity.data,
- ^to_string(ap_id)
- ),
- where: fragment("(?)->>'type' = 'Create'", activity.data)
- )
+ def all_by_ids_with_object(ids) do
+ Activity
+ |> where([a], a.id in ^ids)
+ |> with_preloaded_object()
+ |> Repo.all()
end
- def create_by_object_ap_id(_), do: nil
+ @doc """
+ Accepts `ap_id` or list of `ap_id`.
+ Returns a query.
+ """
+ @spec create_by_object_ap_id(String.t() | [String.t()]) :: Ecto.Queryable.t()
+ def create_by_object_ap_id(ap_id) do
+ ap_id
+ |> Queries.by_object_id()
+ |> Queries.by_type("Create")
+ end
def get_all_create_by_object_ap_id(ap_id) do
- Repo.all(create_by_object_ap_id(ap_id))
+ ap_id
+ |> create_by_object_ap_id()
+ |> Repo.all()
end
def get_create_by_object_ap_id(ap_id) when is_binary(ap_id) do
def get_create_by_object_ap_id(_), do: nil
- def create_by_object_ap_id_with_object(ap_ids) when is_list(ap_ids) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ANY(?)",
- activity.data,
- activity.data,
- ^ap_ids
- ),
- where: fragment("(?)->>'type' = 'Create'", activity.data),
- inner_join: o in Object,
- on:
- fragment(
- "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
- o.data,
- activity.data,
- activity.data
- ),
- preload: [object: o]
- )
- end
-
- def create_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
- from(
- activity in Activity,
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- activity.data,
- activity.data,
- ^to_string(ap_id)
- ),
- where: fragment("(?)->>'type' = 'Create'", activity.data),
- inner_join: o in Object,
- on:
- fragment(
- "(?->>'id') = COALESCE(?->'object'->>'id', ?->>'object')",
- o.data,
- activity.data,
- activity.data
- ),
- preload: [object: o]
- )
+ @doc """
+ Accepts `ap_id` or list of `ap_id`.
+ Returns a query.
+ """
+ @spec create_by_object_ap_id_with_object(String.t() | [String.t()]) :: Ecto.Queryable.t()
+ def create_by_object_ap_id_with_object(ap_id) do
+ ap_id
+ |> create_by_object_ap_id()
+ |> with_preloaded_object()
end
- def create_by_object_ap_id_with_object(_), do: nil
-
def get_create_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
ap_id
|> create_by_object_ap_id_with_object()
defp get_in_reply_to_activity_from_object(_), do: nil
def get_in_reply_to_activity(%Activity{} = activity) do
- get_in_reply_to_activity_from_object(Object.normalize(activity))
+ get_in_reply_to_activity_from_object(Object.normalize(activity, fetch: false))
end
def normalize(obj) when is_map(obj), do: get_by_ap_id_with_object(obj["id"])
def normalize(ap_id) when is_binary(ap_id), do: get_by_ap_id_with_object(ap_id)
def normalize(_), do: nil
- def delete_by_ap_id(id) when is_binary(id) do
- by_object_ap_id(id)
+ def delete_all_by_object_ap_id(id) when is_binary(id) do
+ id
+ |> Queries.by_object_id()
+ |> Queries.exclude_type("Delete")
|> select([u], u)
|> Repo.delete_all()
|> elem(1)
|> purge_web_resp_cache()
end
- def delete_by_ap_id(_), do: nil
+ def delete_all_by_object_ap_id(_), do: nil
defp purge_web_resp_cache(%Activity{} = activity) do
%{path: path} = URI.parse(activity.data["id"])
- Cachex.del(:web_resp_cache, path)
+ @cachex.del(:web_resp_cache, path)
activity
end
defp purge_web_resp_cache(nil), do: nil
- for {ap_type, type} <- @mastodon_notification_types do
- def mastodon_notification_type(%Activity{data: %{"type" => unquote(ap_type)}}),
- do: unquote(type)
+ def follow_accepted?(
+ %Activity{data: %{"type" => "Follow", "object" => followed_ap_id}} = activity
+ ) do
+ with %User{} = follower <- Activity.user_actor(activity),
+ %User{} = followed <- User.get_cached_by_ap_id(followed_ap_id) do
+ Pleroma.FollowingRelationship.following?(follower, followed)
+ else
+ _ -> false
+ end
end
- def mastodon_notification_type(%Activity{}), do: nil
-
- def from_mastodon_notification_type(type) do
- Map.get(@mastodon_to_ap_notification_types, type)
- end
+ def follow_accepted?(_), do: false
def all_by_actor_and_id(actor, status_ids \\ [])
def all_by_actor_and_id(_actor, []), do: []
|> Repo.all()
end
- def follow_requests_for_actor(%Pleroma.User{ap_id: ap_id}) do
- from(
- a in Activity,
- where:
- fragment(
- "? ->> 'type' = 'Follow'",
- a.data
- ),
- where:
- fragment(
- "? ->> 'state' = 'pending'",
- a.data
- ),
- where:
- fragment(
- "coalesce((?)->'object'->>'id', (?)->>'object') = ?",
- a.data,
- a.data,
- ^ap_id
- )
- )
+ def follow_requests_for_actor(%User{ap_id: ap_id}) do
+ ap_id
+ |> Queries.by_object_id()
+ |> Queries.by_type("Follow")
+ |> where([a], fragment("? ->> 'state' = 'pending'", a.data))
end
- @spec query_by_actor(actor()) :: Ecto.Query.t()
- def query_by_actor(actor) do
- from(a in Activity, where: a.actor == ^actor)
+ def following_requests_for_actor(%User{ap_id: ap_id}) do
+ Queries.by_type("Follow")
+ |> where([a], fragment("?->>'state' = 'pending'", a.data))
+ |> where([a], a.actor == ^ap_id)
+ |> Repo.all()
end
def restrict_deactivated_users(query) do
deactivated_users =
- from(u in User.Query.build(deactivated: true), select: u.ap_id)
+ from(u in User.Query.build(%{deactivated: true}), select: u.ap_id)
|> Repo.all()
- from(activity in query,
- where: activity.actor not in ^deactivated_users
- )
+ Activity.Queries.exclude_authors(query, deactivated_users)
end
defdelegate search(user, query, options \\ []), to: Pleroma.Activity.Search
+
+ def direct_conversation_id(activity, for_user) do
+ alias Pleroma.Conversation.Participation
+
+ with %{data: %{"context" => context}} when is_binary(context) <- activity,
+ %Pleroma.Conversation{} = conversation <- Pleroma.Conversation.get_for_ap_id(context),
+ %Participation{id: participation_id} <-
+ Participation.for_user_and_conversation(for_user, conversation) do
+ participation_id
+ else
+ _ -> nil
+ end
+ end
+
+ @spec pinned_by_actor?(Activity.t()) :: boolean()
+ def pinned_by_actor?(%Activity{} = activity) do
+ actor = user_actor(activity)
+ activity.id in actor.pinned_activities
+ end
+
+ @spec get_by_object_ap_id_with_object(String.t()) :: t() | nil
+ def get_by_object_ap_id_with_object(ap_id) when is_binary(ap_id) do
+ ap_id
+ |> Queries.by_object_id()
+ |> with_preloaded_object()
+ |> first()
+ |> Repo.one()
+ end
+
+ def get_by_object_ap_id_with_object(_), do: nil
end