defmodule Mobilizon.Activities.Activity do @moduledoc """ Any activity for users """ use Ecto.Schema import Ecto.Changeset alias Mobilizon.Activities.{ObjectType, Priority, Subject, Type} alias Mobilizon.Actors.Actor @required_attrs [:type, :subject, :author_id, :group_id, :inserted_at] @optional_attrs [ :priority, :subject_params, :message, :message_params, :object_type, :object_id, :object ] @attrs @required_attrs ++ @optional_attrs @type t :: %__MODULE__{ priority: Priority.t(), type: Type.t(), subject: Subject.t(), subject_params: map(), message: String.t(), message_params: map(), object_type: ObjectType.t(), object_id: String.t(), object: map(), author: Actor.t(), group: Actor.t() } schema "activities" do field(:priority, Priority, default: :medium) field(:type, Type) field(:subject, Subject) field(:subject_params, :map, default: %{}) field(:message, :string) field(:message_params, :map, default: %{}) field(:object_type, ObjectType) field(:object_id, :string) field(:object, :map, virtual: true) field(:inserted_at, :utc_datetime) belongs_to(:author, Actor) belongs_to(:group, Actor) end @doc false @spec changeset(t | Ecto.Schema.t(), map) :: Ecto.Changeset.t() def changeset(activity, attrs) do activity |> cast(attrs, @attrs) |> validate_required(@required_attrs) |> stringify_params(:subject_params) |> stringify_params(:message_params) end defp stringify_params(changeset, attr) do stringified_params = changeset |> get_change(attr, %{}) |> Enum.map(fn {key, value} -> {key, stringify_struct(value)} end) |> Map.new() put_change(changeset, attr, stringified_params) end defp stringify_struct(%_{} = struct) do association_fields = struct.__struct__.__schema__(:associations) struct |> Map.from_struct() |> Map.drop(association_fields ++ [:__meta__]) end defp stringify_struct(smth), do: smth end