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32 lines
995 B
32 lines
995 B
class Ecs::CreateMajorManagerService < ApplicationService
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Error = Class.new(StandardError)
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MAJOR_MANAGER_COUNT_LIMIT = 5 # 专业管理员数量限制
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attr_reader :major_school, :user_ids
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def initialize(major_school, user_ids)
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@major_school = major_school
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@user_ids = user_ids
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end
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def call
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raise Error, '示例专业不能添加管理员' if major_school.template_major?
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@user_ids = User.where(id: user_ids).pluck(:id)
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if major_school.ec_major_school_users.exists?(user_id: user_ids)
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raise Error, '所选用户中存在该专业的管理员'
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end
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if major_school.ec_major_school_users.count + user_ids.count > MAJOR_MANAGER_COUNT_LIMIT
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raise Error, "该专业管理员数量超过上限（#{MAJOR_MANAGER_COUNT_LIMIT}人）"
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end
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ActiveRecord::Base.transaction do
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user_ids.each do |user_id|
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major_school.ec_major_school_users.create!(user_id: user_id)
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end
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end
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end
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end |