debianize-mobilizon/lib/mobilizon/activities/activity.ex

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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