38 lines
1.1 KiB
Elixir
38 lines
1.1 KiB
Elixir
defmodule Rsh26pool.Voting.Participant do
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@moduledoc """
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A user taking part in a room. Identified across requests by a random `token`
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stored in the session cookie. Owners have `role == "owner"`.
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"""
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use Ecto.Schema
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import Ecto.Changeset
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alias Rsh26pool.Voting.Room
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schema "participants" do
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field :token, :string
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field :name, :string
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field :role, :string, default: "member"
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# Grouping-mode results, filled in when voting closes.
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field :is_leader, :boolean, default: false
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belongs_to :room, Room
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belongs_to :assigned_leader, __MODULE__, foreign_key: :assigned_leader_id
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timestamps(type: :utc_datetime)
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end
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@doc "Changeset for the user-supplied fields (their display name)."
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def changeset(participant, attrs) do
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participant
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|> cast(attrs, [:name])
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|> validate_required([:name], message: "名前を入力してください")
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|> validate_length(:name, max: 40, message: "名前は40文字以内で入力してください")
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|> unique_constraint(:token)
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end
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@doc "Owner? convenience predicate."
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def owner?(%__MODULE__{role: "owner"}), do: true
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def owner?(%__MODULE__{}), do: false
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end
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