72 lines
2.2 KiB
C#
72 lines
2.2 KiB
C#
using Longbow.Cache;
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using Longbow.Web.WebSockets;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.Text;
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namespace Bootstrap.DataAccess
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{
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/// <summary>
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///
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/// </summary>
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public static class NotificationHelper
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{
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/// <summary>
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///
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/// </summary>
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internal const string RetrieveNotificationsDataKey = "NotificationHelper-RetrieveNotifications";
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private const string PullNotificationsIntervalDataKey = "NotificationHelper-PullNotificationsInterval";
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private static readonly List<MessageBody> MessagePool = new List<MessageBody>();
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/// <summary>
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///
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/// </summary>
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/// <param name="message"></param>
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/// <returns></returns>
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public static void PushMessage(MessageBody message)
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{
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MessagePool.Add(message);
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CacheManager.Clear(PullNotificationsIntervalDataKey);
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// websocket message push
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WebSocketServerManager.SendAsync(new ArraySegment<byte>(Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(new MessageBody[] { message }))));
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}
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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public static IEnumerable<MessageBody> RetrieveMessages()
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{
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return CacheManager.GetOrAdd(PullNotificationsIntervalDataKey, key =>
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{
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var msgs = new MessageBody[MessagePool.Count];
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MessagePool.CopyTo(msgs, 0);
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MessagePool.Clear();
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return new List<MessageBody>(msgs);
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});
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}
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}
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/// <summary>
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///
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/// </summary>
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public class MessageBody
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{
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/// <summary>
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///
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/// </summary>
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public string Message { get; set; }
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/// <summary>
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///
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/// </summary>
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public string Category { get; set; }
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/// <summary>
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///
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/// </summary>
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/// <returns></returns>
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public override string ToString()
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{
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return string.Format("{0}-{1}", Category, Message);
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}
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}
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}
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