Claudio Ortolina
32 lines
815 B
Elixir
32 lines
815 B
Elixir
defmodule MusicLibrary.Chats.Chat do
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use Ecto.Schema
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import Ecto.Changeset
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alias MusicLibrary.Chats.Message
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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 "chats" do
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field :entity, Ecto.Enum, values: [:record, :artist]
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field :musicbrainz_id, Ecto.UUID
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field :topic, :string
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field :message_count, :integer, virtual: true, default: 0
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has_many :messages, Message, preload_order: [asc: :position]
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timestamps(type: :utc_datetime)
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end
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@type t :: %__MODULE__{}
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@spec changeset(t() | Ecto.Changeset.t(), map()) :: Ecto.Changeset.t()
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def changeset(chat, attrs) do
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chat
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|> cast(attrs, [:entity, :musicbrainz_id, :topic])
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|> validate_required([:entity, :musicbrainz_id])
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|> validate_length(:topic, max: 200)
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end
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end
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