109 lines
3.0 KiB
Elixir
109 lines
3.0 KiB
Elixir
defmodule Mobilizon.Resources.Resource do
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@moduledoc """
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Represents a web resource
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"""
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use Ecto.Schema
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import Ecto.Changeset
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alias Ecto.Changeset
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import Mobilizon.Storage.Ecto, only: [ensure_url: 2, maybe_add_published_at: 1]
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import EctoEnum
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defenum(TypeEnum, folder: 0, link: 1, picture: 20, pad: 30, calc: 40, visio: 50)
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alias Mobilizon.Actors.Actor
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@type t :: %__MODULE__{
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title: String.t(),
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summary: String.t(),
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url: String.t(),
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resource_url: String.t(),
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type: atom(),
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metadata: Mobilizon.Resources.Resource.Metadata.t(),
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children: list(__MODULE__),
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parent: __MODULE__,
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actor: Actor.t(),
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creator: Actor.t(),
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local: boolean,
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published_at: DateTime.t()
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}
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@primary_key {:id, :binary_id, autogenerate: true}
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schema "resource" do
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field(:summary, :string)
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field(:title, :string)
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field(:url, :string)
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field(:resource_url, :string)
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field(:type, TypeEnum)
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field(:path, :string)
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field(:local, :boolean, default: true)
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field(:published_at, :utc_datetime)
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embeds_one :metadata, Metadata, on_replace: :delete do
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field(:type, :string)
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field(:title, :string)
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field(:description, :string)
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field(:image_remote_url, :string)
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field(:width, :integer)
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field(:height, :integer)
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field(:author_name, :string)
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field(:author_url, :string)
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field(:provider_name, :string)
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field(:provider_url, :string)
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field(:html, :string)
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field(:favicon_url, :string)
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end
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has_many(:children, __MODULE__, foreign_key: :parent_id)
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belongs_to(:parent, __MODULE__, type: :binary_id)
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belongs_to(:actor, Actor)
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belongs_to(:creator, Actor)
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timestamps()
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end
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@required_attrs [:title, :url, :actor_id, :creator_id, :type, :path, :published_at]
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@optional_attrs [:summary, :parent_id, :resource_url, :local]
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@attrs @required_attrs ++ @optional_attrs
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@metadata_attrs [
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:type,
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:title,
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:description,
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:image_remote_url,
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:width,
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:height,
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:author_name,
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:author_url,
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:provider_name,
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:provider_url,
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:html,
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:favicon_url
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]
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@doc false
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@spec changeset(t | Ecto.Schema.t(), map) :: Ecto.Changeset.t()
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def changeset(resource, attrs) do
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resource
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|> cast(attrs, @attrs)
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|> cast_embed(:metadata, with: &metadata_changeset/2)
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|> ensure_url(:resource)
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|> maybe_add_published_at()
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|> validate_resource_or_folder()
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|> validate_required(@required_attrs)
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|> unique_constraint(:url, name: :resource_url_index)
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end
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defp metadata_changeset(schema, params) do
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schema
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|> cast(params, @metadata_attrs)
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end
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@spec validate_resource_or_folder(Changeset.t()) :: Changeset.t()
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defp validate_resource_or_folder(%Changeset{} = changeset) do
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with {status, type} when status in [:changes, :data] <- fetch_field(changeset, :type),
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true <- type != :folder do
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validate_required(changeset, [:resource_url])
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else
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_ -> changeset
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end
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end
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end
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