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TicketSystem

example workflow

TicketSystem,簡易訂票系統實作。
該服務提供三支API,並且實作簡易訂票系統,並以C# lock鎖避免race condition(競爭條件),確保大量訂票不會遇到資料重複存取問題。
並且於測試案例中採用了80000人同時非同步購買同一張票的情況,結果為正常訂票,未有多售出之問題。 (https://github.com/yuhsiang237/TicketSystem/blob/master/TicketSystemTest/Services/TicketServiceTest.cs)

關鍵字: Race condition、系統架構分層(邏輯層/資料層)、單元測試

Start

使用Visual Studio 2022 開啟./TicketSystem/TicketSystem.sln,後即可運行

API

POST
​/Ticket​/OrderTicket
購買票
req:
{
  "passengerName": "string",
  "ticketNumber": "string"
}
rsp:
{
  "ticketNumber": A-1,
  "dateTime": "2024-07-05T19:45:38.759933+08:00",
  "isOK": true
}
POST
​/Ticket​/GetUnPurchasedTicket
取得未購買的票
req:無
rsp:
[
  {
    "ticketNumber": "T-1",
  },
  {
    "ticketNumber": "T-2",
  },
  {
    "ticketNumber": "T-3",
  }...
]
POST
​/Ticket​/GetAllTicket
取得所有的票
req:無
rsp:
[
  {
    "ticketNumber": "T-1",
    "isPurchase": false
  },
  {
    "ticketNumber": "T-2",
    "isPurchase": false
  },
  {
    "ticketNumber": "T-3",
    "isPurchase": false
  }...
]

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