iot/projects/IoTCenter/Services/EventHandler.cs

using Application.Domain.Entities;
using CSScriptLib;
using Hangfire;
using Infrastructure.Events;
using System;
using System.Collections.Concurrent;

namespace IoTCenter.Services
{
    public class EventHandler : IEventHander<EntityInsertedEvent<IoTTimer>>,
        IEventHander<EntityUpdatedEvent<IoTTimer>>,
        IEventHander<EntityDeletedEvent<IoTTimer>>,
        IEventHander<EntityInsertedEvent<IoTTigger>>,
        IEventHander<EntityUpdatedEvent<IoTTigger>>,
        IEventHander<EntityDeletedEvent<IoTTigger>>,
        IEventHander<EntityUpdatedEvent<Data>>
    {
        public static ConcurrentDictionary<Guid, IoTTigger> Tiggers = new ConcurrentDictionary<Guid, IoTTigger>();

        public void Handle(EntityInsertedEvent<IoTTimer> message)
        {
            RecurringJob.AddOrUpdate<EventJob>(message.Message.Id.ToString(), o => o.TimerHanle(message.Message.Id), message.Message.Cron);
        }

        public void Handle(EntityUpdatedEvent<IoTTimer> message)
        {
            RecurringJob.AddOrUpdate<EventJob>(message.Message.Id.ToString(), o => o.TimerHanle(message.Message.Id), message.Message.Cron);
        }

        public void Handle(EntityDeletedEvent<IoTTimer> message)
        {
            RecurringJob.RemoveIfExists(message.Message.Id.ToString());
        }

        public void Handle(EntityInsertedEvent<IoTTigger> message)
        {
            Tiggers.TryAdd(message.Message.Id, message.Message);
        }

        public void Handle(EntityUpdatedEvent<IoTTigger> message)
        {
            Tiggers.TryRemove(message.Message.Id, out IoTTigger tigger);
            Tiggers.TryAdd(message.Message.Id, message.Message);
        }

        public void Handle(EntityDeletedEvent<IoTTigger> message)
        {
            Tiggers.TryRemove(message.Message.Id, out IoTTigger tigger);
        }

        public void Handle(EntityUpdatedEvent<Data> message)
        {
            var data = message.Message;
            foreach (var tigger in Tiggers)
            {
                var methodText = $"bool Valid(string name,string key,{data.Type.ToString().ToLower()} value,string description){{ return {tigger.Value};}}";
                Console.WriteLine(methodText);
                dynamic method = CSScript.Evaluator.LoadMethod(methodText);
                dynamic value = message.Message.GetValue();
                var result = method.Valid(data.Name, data.Key, value, data.Description);
                if (result)
                {
                    //call tigger's command
                }
            }
        }
    }
}