defmodule Pleroma.Web.ActivityPub.ActivityPub do
- alias Pleroma.{Activity, Repo, Object, Upload, User, Web}
+ alias Pleroma.{Activity, Repo, Object, Upload, User, Web, Notification}
alias Ecto.{Changeset, UUID}
import Ecto.Query
import Pleroma.Web.ActivityPub.Utils
with nil <- Activity.get_by_ap_id(map["id"]),
map <- lazy_put_activity_defaults(map),
:ok <- insert_full_object(map) do
- Repo.insert(%Activity{data: map, local: local})
+ {:ok, activity} = Repo.insert(%Activity{data: map, local: local})
+ Notification.create_notifications(activity)
+ {:ok, activity}
else
%Activity{} = activity -> {:ok, activity}
error -> {:error, error}
end
end
+ def delete(%Object{data: %{"id" => id, "actor" => actor}} = object, local \\ true) do
+ user = User.get_cached_by_ap_id(actor)
+ data = %{
+ "type" => "Delete",
+ "actor" => actor,
+ "object" => id,
+ "to" => [user.follower_address, "https://www.w3.org/ns/activitystreams#Public"]
+ }
+ with Repo.delete(object),
+ Repo.delete_all(Activity.all_non_create_by_object_ap_id_q(id)),
+ {:ok, activity} <- insert(data, local),
+ :ok <- maybe_federate(activity) do
+ {:ok, activity}
+ end
+ end
+
def fetch_activities_for_context(context) do
query = from activity in Activity,
- where: fragment("? @> ?", activity.data, ^%{ type: "Create", context: context }),
- order_by: [desc: :inserted_at]
+ where: fragment("?->>'type' = ? and ?->>'context' = ?", activity.data, "Create", activity.data, ^context),
+ order_by: [desc: :id]
Repo.all(query)
end
end
defp restrict_since(query, _), do: query
+ defp restrict_tag(query, %{"tag" => tag}) do
+ from activity in query,
+ where: fragment("? <@ (? #> '{\"object\",\"tag\"}')", ^tag, activity.data)
+ end
+ defp restrict_tag(query, _), do: query
+
defp restrict_recipients(query, recipients) do
Enum.reduce(recipients, query, fn (recipient, q) ->
map = %{ to: [recipient] }
end
defp restrict_actor(query, _), do: query
+ defp restrict_type(query, %{"type" => type}) when is_binary(type) do
+ restrict_type(query, %{"type" => [type]})
+ end
+ defp restrict_type(query, %{"type" => type}) do
+ from activity in query,
+ where: fragment("?->>'type' = ANY(?)", activity.data, ^type)
+ end
+ defp restrict_type(query, _), do: query
+
+ defp restrict_favorited_by(query, %{"favorited_by" => ap_id}) do
+ from activity in query,
+ where: fragment("? <@ (? #> '{\"object\",\"likes\"}')", ^ap_id, activity.data)
+ end
+ defp restrict_favorited_by(query, _), do: query
+
+ # Only search through last 100_000 activities by default
+ defp restrict_recent(query, _) do
+ since = Repo.aggregate(Activity, :max, :id) - 100_000
+
+ from activity in query,
+ where: activity.id > ^since
+ end
+
def fetch_activities(recipients, opts \\ %{}) do
base_query = from activity in Activity,
limit: 20,
- order_by: [desc: :inserted_at]
+ order_by: [desc: :id]
base_query
|> restrict_recipients(recipients)
+ |> restrict_tag(opts)
|> restrict_since(opts)
|> restrict_local(opts)
|> restrict_max(opts)
|> restrict_actor(opts)
+ |> restrict_type(opts)
+ |> restrict_favorited_by(opts)
+ |> restrict_recent(opts)
|> Repo.all
|> Enum.reverse
end