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akkoma/lib/pleroma/notification.ex
2017-11-19 02:22:07 +01:00

88 lines
2.4 KiB
Elixir

defmodule Pleroma.Notification do
use Ecto.Schema
alias Pleroma.{User, Activity, Notification, Repo}
import Ecto.Query
schema "notifications" do
field :seen, :boolean, default: false
belongs_to :user, Pleroma.User
belongs_to :activity, Pleroma.Activity
timestamps()
end
# TODO: Make generic and unify (see activity_pub.ex)
defp restrict_max(query, %{"max_id" => max_id}) do
from activity in query, where: activity.id < ^max_id
end
defp restrict_max(query, _), do: query
defp restrict_since(query, %{"since_id" => since_id}) do
from activity in query, where: activity.id > ^since_id
end
defp restrict_since(query, _), do: query
def for_user(user, opts \\ %{}) do
query = from n in Notification,
where: n.user_id == ^user.id,
order_by: [desc: n.id],
preload: [:activity],
limit: 20
query = query
|> restrict_since(opts)
|> restrict_max(opts)
Repo.all(query)
end
def get(%{id: user_id} = _user, id) do
query = from n in Notification,
where: n.id == ^id,
preload: [:activity]
notification = Repo.one(query)
case notification do
%{user_id: ^user_id} ->
{:ok, notification}
_ ->
{:error, "Cannot get notification"}
end
end
def clear(user) do
query = from n in Notification,
where: n.user_id == ^user.id
Repo.delete_all(query)
end
def dismiss(%{id: user_id} = _user, id) do
notification = Repo.get(Notification, id)
case notification do
%{user_id: ^user_id} ->
Repo.delete(notification)
_ ->
{:error, "Cannot dismiss notification"}
end
end
def create_notifications(%Activity{id: _, data: %{"to" => _, "type" => type}} = activity) when type in ["Create", "Like", "Announce", "Follow"] do
users = User.get_notified_from_activity(activity)
notifications = Enum.map(users, fn (user) -> create_notification(activity, user) end)
{:ok, notifications}
end
def create_notifications(_), do: {:ok, []}
# TODO move to sql, too.
def create_notification(%Activity{} = activity, %User{} = user) do
unless User.blocks?(user, %{ap_id: activity.data["actor"]}) do
notification = %Notification{user_id: user.id, activity: activity}
{:ok, notification} = Repo.insert(notification)
Pleroma.Web.Streamer.stream("user", notification)
notification
end
end
end