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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 create_notifications(%Activity{id: id, data: %{"to" => 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
notification = %Notification{user_id: user.id, activity_id: activity.id}
{:ok, notification} = Repo.insert(notification)
notification
end
end
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