debianize-mobilizon/lib/mobilizon/medias/media.ex

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defmodule Mobilizon.Medias.Media do
@moduledoc """
Represents a media entity.
"""
use Ecto.Schema
import Ecto.Changeset, only: [cast: 3, cast_embed: 2, cast_embed: 3]
alias Mobilizon.Actors.Actor
alias Mobilizon.Discussions.Comment
alias Mobilizon.Events.Event
alias Mobilizon.Medias.File
alias Mobilizon.Medias.Media.Metadata
alias Mobilizon.Posts.Post
@type t :: %__MODULE__{
file: File.t(),
metadata: Metadata.t(),
actor: Actor.t()
}
@metadata_attrs [:height, :width, :blurhash]
schema "medias" do
embeds_one(:file, File, on_replace: :update)
embeds_one :metadata, Metadata, on_replace: :update do
field(:height, :integer)
field(:width, :integer)
field(:blurhash, :string)
end
belongs_to(:actor, Actor)
has_many(:event_picture, Event, foreign_key: :picture_id)
many_to_many(:events, Event, join_through: "events_medias")
has_many(:posts_picture, Post, foreign_key: :picture_id)
many_to_many(:posts, Post, join_through: "posts_medias")
many_to_many(:comments, Comment, join_through: "comments_medias")
timestamps()
end
@doc false
@spec changeset(t, map) :: Ecto.Changeset.t()
def changeset(%__MODULE__{} = media, attrs) do
media
|> cast(attrs, [:actor_id])
|> cast_embed(:file)
|> cast_embed(:metadata, with: &metadata_changeset/2)
end
@doc false
@spec changeset(struct(), map) :: Ecto.Changeset.t()
def metadata_changeset(metadata, attrs) do
metadata
|> cast(attrs, @metadata_attrs)
end
end