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