mobilizon.chapril.org-mobil.../lib/mobilizon/events/comment.ex
2019-09-26 17:45:47 +02:00

73 lines
2.1 KiB
Elixir

defmodule Mobilizon.Events.Comment do
@moduledoc """
Represents an actor comment (for instance on an event or on a group).
"""
use Ecto.Schema
import Ecto.Changeset
alias Mobilizon.Actors.Actor
alias Mobilizon.Events.{Comment, CommentVisibility, Event}
alias MobilizonWeb.Endpoint
alias MobilizonWeb.Router.Helpers, as: Routes
@type t :: %__MODULE__{
text: String.t(),
url: String.t(),
local: boolean,
visibility: CommentVisibility.t(),
uuid: Ecto.UUID.t(),
actor: Actor.t(),
attributed_to: Actor.t(),
event: Event.t(),
in_reply_to_comment: t,
origin_comment: t
}
@required_attrs [:text, :actor_id, :url]
@optional_attrs [:event_id, :in_reply_to_comment_id, :origin_comment_id, :attributed_to_id]
@attrs @required_attrs ++ @optional_attrs
schema "comments" do
field(:text, :string)
field(:url, :string)
field(:local, :boolean, default: true)
field(:visibility, CommentVisibility, default: :public)
field(:uuid, Ecto.UUID)
belongs_to(:actor, Actor, foreign_key: :actor_id)
belongs_to(:attributed_to, Actor, foreign_key: :attributed_to_id)
belongs_to(:event, Event, foreign_key: :event_id)
belongs_to(:in_reply_to_comment, Comment, foreign_key: :in_reply_to_comment_id)
belongs_to(:origin_comment, Comment, foreign_key: :origin_comment_id)
timestamps(type: :utc_datetime)
end
@doc """
Returns the id of the first comment in the conversation.
"""
@spec get_thread_id(t) :: integer
def get_thread_id(%__MODULE__{id: id, origin_comment_id: origin_comment_id}) do
origin_comment_id || id
end
@doc false
@spec changeset(t, map) :: Ecto.Changeset.t()
def changeset(%__MODULE__{} = comment, attrs) do
uuid = attrs["uuid"] || Ecto.UUID.generate()
url = attrs["url"] || generate_url(uuid)
comment
|> cast(attrs, @attrs)
|> put_change(:uuid, uuid)
|> put_change(:url, url)
|> validate_required(@required_attrs)
end
@spec generate_url(String.t()) :: String.t()
defp generate_url(uuid), do: Routes.page_url(Endpoint, :comment, uuid)
end