educoder/app/models/laboratory.rb

class Laboratory < ApplicationRecord
  belongs_to :school, optional: true

  has_many :laboratory_users, dependent: :destroy
  has_many :users, through: :laboratory_users, source: :user

  has_one :laboratory_setting, dependent: :destroy

  has_many :portal_images, dependent: :destroy

  has_many :laboratory_shixuns, dependent: :destroy
  has_many :laboratory_subjects, dependent: :destroy

  validates :identifier, uniqueness: { case_sensitive: false }, allow_nil: true

  delegate :name, :navbar, :footer, :login_logo_url, :nav_logo_url, :tab_logo_url, :default_navbar, to: :laboratory_setting

  def site
    rails_env = EduSetting.get('rails_env')
    suffix = rails_env && rails_env != 'production' ? ".#{rails_env}.educoder.net" : '.educoder.net'

    identifier ? "#{identifier}#{suffix}" : ''
  end

  def self.find_by_subdomain(subdomain)
    return if subdomain.blank?

    rails_env = EduSetting.get('rails_env')
    subdomain = subdomain.slice(0, subdomain.size - rails_env.size - 1) if rails_env && subdomain.end_with?(rails_env) # winse.dev => winse

    find_by_identifier(subdomain)
  end

  def self.current=(laboratory)
    Thread.current[:current_laboratory] = laboratory
  end

  def self.current
    Thread.current[:current_laboratory] ||= Laboratory.find(1)
  end

  def shixuns
    main_site? ? Shixun.all : Shixun.joins(:laboratory_shixuns).where(laboratory_shixuns: { laboratory_id: id })
  end

  def subjects
    main_site? ? Subject.all : Subject.joins(:laboratory_subjects).where(laboratory_subjects: { laboratory_id: id })
  end

  # 是否为主站
  def main_site?
    id == 1
  end
end