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27 lines
1.1 KiB
27 lines
1.1 KiB
5 years ago
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class Competitions::CreatePersonalTeamService < ApplicationService
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Error = Class.new(StandardError)
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attr_reader :competition, :user
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def initialize(competition, user)
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@competition = competition
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@user = user
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end
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def call
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raise Error, '个人赛才能报名' unless competition.personal?
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is_teacher = user.is_teacher?
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raise Error, '本竞赛的参赛者限定为：学生' if is_teacher && competition.teacher_enroll_forbidden?
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raise Error, '本竞赛的参赛者限定为：教师' if !is_teacher && competition.member_enroll_forbidden?
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enrolled = competition.competition_teams.exists?(user_id: user.id)
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multiple_limited = (is_teacher && competition.teacher_multiple_limited?) || (!is_teacher && competition.member_multiple_limited?)
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raise Error, '您已报名该竞赛' if enrolled && multiple_limited
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ActiveRecord::Base.transaction do
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team = competition.competition_teams.create!(name: user.show_name, user_id: user.id)
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team.team_members.create!(competition_id: competition, user_id: user.id, role: 1, is_teacher: is_teacher)
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end
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end
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end
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