Ruby中的循環分配

Question

我有Enquiry和Consellor模型。我想以循環方式將諮詢諮詢分配給諮詢顧問。如果有3個consellors和5次的查詢，則分配應該是：

查詢1 => C1，查詢2 => C2，查詢3 => C3，查詢4 => C1， 詢問5 => C2

我可以通過查詢數據庫並通過緩存進行優化，但尋找更好的解決方案。

Answer 1

陣列＃循環（無限枚舉）是很好的這樣的：

counselors = %w(C1 C2 C3).cycle 
enquiries = Array.new(5){|i| "Enquiry #{(i+1).to_s}"} 
enquiries.each{|enq| puts "Do something with #{enq} and #{counselors.next}."} 

輸出

Do something with Enquiry 1 and C1. 
Do something with Enquiry 2 and C2. 
Do something with Enquiry 3 and C3. 
Do something with Enquiry 4 and C1. 
Do something with Enquiry 5 and C2.