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   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.ActivityPub.ObjectValidators.ChatMessageValidator do
   6   use Ecto.Schema
   7
   8   alias Pleroma.Web.ActivityPub.ObjectValidators.Types
   9
  10   import Ecto.Changeset
  11
  12   @primary_key false
  13   @derive Jason.Encoder
  14
  15   embedded_schema do
  16     field(:id, Types.ObjectID, primary_key: true)
  17     field(:to, Types.Recipients, default: [])
  18     field(:type, :string)
  19     field(:content, :string)
  20     field(:actor, Types.ObjectID)
  21     field(:published, Types.DateTime)
  22   end
  23
  24   def cast_and_apply(data) do
  25     data
  26     |> cast_data
  27     |> apply_action(:insert)
  28   end
  29
  30   def cast_and_validate(data) do
  31     data
  32     |> cast_data()
  33     |> validate_data()
  34   end
  35
  36   def cast_data(data) do
  37     %__MODULE__{}
  38     |> changeset(data)
  39   end
  40
  41   def fix(data) do
  42     data
  43     |> Map.put_new("actor", data["attributedTo"])
  44   end
  45
  46   def changeset(struct, data) do
  47     data = fix(data)
  48
  49     struct
  50     |> cast(data, __schema__(:fields))
  51   end
  52
  53   def validate_data(data_cng) do
  54     data_cng
  55     |> validate_inclusion(:type, ["ChatMessage"])
  56     |> validate_required([:id, :actor, :to, :type, :content])
  57   end
  58 end