47 lines
1.3 KiB
Elixir
47 lines
1.3 KiB
Elixir
defmodule Cannery.Containers.ContainerTag do
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@moduledoc """
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Thru-table struct for associating Cannery.Containers.Container and
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Cannery.Containers.Tag.
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"""
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use Ecto.Schema
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import Ecto.Changeset
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alias Cannery.Containers.{Container, Tag}
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alias Ecto.{Changeset, UUID}
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@primary_key {:id, :binary_id, autogenerate: true}
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@foreign_key_type :binary_id
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schema "container_tags" do
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belongs_to :container, Container
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belongs_to :tag, Tag
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timestamps()
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end
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@type t :: %__MODULE__{
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id: id(),
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container: Container.t(),
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container_id: Container.id(),
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tag: Tag.t(),
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tag_id: Tag.id(),
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inserted_at: NaiveDateTime.t(),
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updated_at: NaiveDateTime.t()
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}
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@type new_container_tag :: %__MODULE__{}
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@type id :: UUID.t()
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@type changeset :: Changeset.t(t() | new_container_tag())
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@doc false
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@spec create_changeset(new_container_tag(), Tag.t(), Container.t()) :: changeset()
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def create_changeset(
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container_tag,
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%Tag{id: tag_id, user_id: user_id},
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%Container{id: container_id, user_id: user_id}
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) do
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container_tag
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|> change(tag_id: tag_id)
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|> change(container_id: container_id)
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|> validate_required([:tag_id, :container_id])
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end
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end
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