HBLConsole/HBLConsole.Business/AlarmHelper.cs

using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Drawing;
using HBLConsole.Service;
using HBLConsole.Model;
using System.Collections.ObjectModel;

namespace HBLConsole.Business
{
    public class AlarmHelper
    {
        private volatile static AlarmHelper _Instance;
        public static AlarmHelper GetInstance => _Instance ?? (_Instance = new AlarmHelper());
        private AlarmHelper() { }
        public ObservableCollection<Alarm> Alarms { get; set; } = new ObservableCollection<Alarm>();
        public ObservableCollection<Alarm> HistoryAlarms { get; set; } = new ObservableCollection<Alarm>();
        ConcurrentDictionary<string, bool> flagbit = new ConcurrentDictionary<string, bool>();
        public Action<string> AddAction { get; set; }
        public Action<string> RemoveAction { get; set; }
        public Action ChangeAction { get; set; }

        /// <summary>
        /// 沿报警检测
        /// </summary>
        /// <param name="Trigger">触发变量</param>
        /// <param name="text">报警信息</param>
        /// <param name="edgeType">触发类型，上升沿 或 下降沿</param>
        public void EdgeAlarm(bool Trigger, string text, AlarmLevel alarmLevel = AlarmLevel.一般报警, AlarmTriggerType edgeType = AlarmTriggerType.Rising)
        {
            if (!flagbit.ContainsKey(text)) flagbit.TryAdd(text, false);
            if (edgeType == AlarmTriggerType.Rising ? Trigger : !Trigger)
            {
                if (edgeType == AlarmTriggerType.Rising ? !flagbit[text] : flagbit[text])
                {
                    AddAlarm(text, alarmLevel);
                    flagbit[text] = edgeType == AlarmTriggerType.Rising ? true : false;
                }
            }
            else
            {
                RemoveAlarm(text);
            }
            if (edgeType == AlarmTriggerType.Rising ? flagbit[text] : !flagbit[text]) flagbit[text] = Trigger;
        }

        /// <summary>
        /// 添加报警信息
        /// </summary>
        /// <param name="AlarmInfo">报警信息</param>
        private void AddAlarm(string AlarmInfo, AlarmLevel alarmLevel)
        {
            Alarm tempAlarm = new Alarm()
            {
                Date = DateTime.Now.ToString("yyyy/MM/dd"),
                Grade = alarmLevel.ToString(),
                Info = AlarmInfo,
                Time = DateTime.Now.ToString("HH:mm:ss"),
            };
            Sqlite<Alarm>.GetInstance.Add(tempAlarm);

            if (Alarms.FirstOrDefault(p => p.Info == AlarmInfo) == null)
            {
                Alarms.Add(tempAlarm);
                if (AddAction != null) AddAction(AlarmInfo);//添加报警通知
                if (ChangeAction != null) ChangeAction();//更改报警通知
            }
        }

        /// <summary>
        /// 移除报警信息
        /// </summary>
        /// <param name="AlarmInfo">报警信息</param>
        private void RemoveAlarm(string AlarmInfo)
        {
            var result = Alarms.FirstOrDefault(p => p.Info == AlarmInfo);
            if (result != null)
            {
                Alarms.Remove(result);
                if (RemoveAction != null) RemoveAction(AlarmInfo);
                if (ChangeAction != null) ChangeAction();
            }
        }



    }
}