mapo-mono/MP.MONO.UI/Components/AlarmsOverview.razor.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Components;
using System.Net.Http;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Components.Authorization;
using Microsoft.AspNetCore.Components.Forms;
using Microsoft.AspNetCore.Components.Routing;
using Microsoft.AspNetCore.Components.Web;
using Microsoft.AspNetCore.Components.Web.Virtualization;
using Microsoft.JSInterop;
using MP.MONO.Core.DTO;
using MP.MONO.Data;
using MP.MONO.UI;
using MP.MONO.UI.Shared;
using MP.MONO.UI.Components;
using MP.MONO.UI.Data;
using Newtonsoft.Json;

namespace MP.MONO.UI.Components
{
    public partial class AlarmsOverview
    {
        private List<DisplayDataDTO>? ListRecords { get; set; } = new List<DisplayDataDTO>();
        protected override async Task OnInitializedAsync()
        {
            await ReloadData();
            MMDataService.alarmPipe.EA_NewMessage += AlarmPipe_EA_NewMessage;
        }

        private void AlarmPipe_EA_NewMessage(object? sender, EventArgs e)
        {
            PubSubEventArgs currArgs = (PubSubEventArgs)e;
#if false
            if (currArgs.newMessage == "reset")
            {
                ListRecords = new List<DisplayDataDTO>();
            }
            else
            {
                DisplayDataDTO newRec = new DisplayDataDTO()
                {
                    Title = $"{DateTime.Now:yyyy-MM-dd HH:mm:ss}",
                    Value = currArgs.newMessage,
                    IsNumeric = false,
                    Order = ListRecords == null ? 0 : ListRecords.Count
                };
                if (ListRecords == null)
                {
                    ListRecords = new List<DisplayDataDTO>();
                }
                ListRecords.Add(newRec);
                ListRecords = ListRecords.OrderByDescending(x => x.Order).ToList();
            } 
#endif
            // conversione on-the-fly List<string> --> allarmi
            if (!string.IsNullOrEmpty(currArgs.newMessage))
            {
                try
                {
                    var alarmList = JsonConvert.DeserializeObject<List<string>>(currArgs.newMessage);
                    ListRecords = alarmList.Select(x => new DisplayDataDTO()
                    {
                        IsNumeric = false,
                        Title = $"{DateTime.Now:yyyy-MM-dd HH:mm:ss}",
                        Value = x,
                        Order = ListRecords == null ? 0 : ListRecords.Count
                    }).ToList();
                }
                catch
                { }
            }
            InvokeAsync(() =>
            {
                StateHasChanged();
            });
        }

        protected async Task ReloadData()
        {
            //await Task.Delay(10);
            //ListRecords = await MMDataService.MachineDisplay();
            await Task.Delay(500);
        }
    }
}