Access Service

access_service.rb

module TenantServices

  class AccessService

    def initialize(params)
      @site     = params[:site]
      @customer = params[:customer]
      @user     = params[:user]
      @record   = params[:record]
      @feature  = params[:feature]
    end

    def call
      if !@record
        result = false
      elsif free?
        if signin_required?
          result = @user || @customer
        else
          result = true
        end
      else
        result = (@user && @user.can_access_site?(@site)) || (@customer && customer_accessible?)
      end
      OpenStruct.new({success?: result})
    end

    private

      attr_reader :site, :customer, :user, :record, :feature

      def free?
        record.free? || (defined?(record.course) && record.course && record.course.free?)
      end

      def signin_required?
        record.signin_required? || (defined?(record.course) && record.course.signin_required?)
      end

      def customer_accessible?
        ordered? || (feature ? subscribed_and_feature_supported? : subscribed?)
      end

      def ordered?
        content.product.present? && customer.ordered_items.exists?(product_id: ordered_product_ids)
      end

      def ordered_product_ids
        ids = []
        ids << content.product.id
        ids << (content.products_bundled_to.pluck(:product_id) if defined?(content.products_bundled_to) && content.products_bundled_to)
        ids.flatten
      end

      def subscribed?
        content.product.present? && customer.has_valid_subscription? && customer.subscription.subscription_plan.items.exists?(product_id:content.product.id)
      end

      def subscribed_and_feature_supported?
        subscribed? && customer.can_access_feature?(feature)
      end

      def content
        defined?(record.course) ? record.course : record
      end

  end

end