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# Pleroma: A lightweight social networking server
# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Activity do
use Ecto.Schema
alias Pleroma.{Repo, Activity, Notification}
import Ecto.Query
@type t :: %__MODULE__{}
@primary_key {:id, Pleroma.FlakeId, 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"
}
schema "activities" do
field(:data, :map)
field(:local, :boolean, default: true)
field(:actor, :string)
field(:recipients, {:array, :string})
has_many(:notifications, Notification, on_delete: :delete_all)
timestamps()
end
def get_by_ap_id(ap_id) do
Repo.one(
from(
activity in Activity,
where: fragment("(?)->>'id' = ?", activity.data, ^to_string(ap_id))
)
)
end
def get_by_id(id) do
Repo.get(Activity, id)
end
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)
)
)
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)
)
end
def create_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)
),
where: fragment("(?)->>'type' = 'Create'", activity.data)
)
end
def get_all_create_by_object_ap_id(ap_id) do
Repo.all(create_by_object_ap_id(ap_id))
end
def get_create_by_object_ap_id(ap_id) when is_binary(ap_id) do
create_by_object_ap_id(ap_id)
|> Repo.one()
end
def get_create_by_object_ap_id(_), do: nil
def normalize(obj) when is_map(obj), do: Activity.get_by_ap_id(obj["id"])
def normalize(ap_id) when is_binary(ap_id), do: Activity.get_by_ap_id(ap_id)
def normalize(_), do: nil
def get_in_reply_to_activity(%Activity{data: %{"object" => %{"inReplyTo" => ap_id}}}) do
get_create_by_object_ap_id(ap_id)
end
def get_in_reply_to_activity(_), do: nil
for {ap_type, type} <- @mastodon_notification_types do
def mastodon_notification_type(%Activity{data: %{"type" => unquote(ap_type)}}),
do: unquote(type)
end
def mastodon_notification_type(%Activity{}), do: nil
end

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