30 lines
814 B
Ruby
30 lines
814 B
Ruby
class Participant < ApplicationRecord
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belongs_to :user
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belongs_to :game
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has_many :board_memberships, dependent: :destroy
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has_many :boards, through: :board_memberships
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has_many :board_posts, dependent: :destroy
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# バリデーション
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validates :user_id, uniqueness: {
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scope: :game_id,
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message: "既にこのゲームに参加しています"
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}
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validates :power, uniqueness: {
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scope: :game_id,
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message: "この国は既に選択されています"
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}, allow_nil: true
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validates :power, inclusion: {
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in: %w[AUSTRIA ENGLAND FRANCE GERMANY ITALY RUSSIA TURKEY],
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message: "無効な国です"
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}, allow_nil: true
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# 表示名：国名が設定済みなら国名、未設定ならユーザー名
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def display_name
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power.present? ? power : user.username
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end
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end
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