mapo-core/MP-TAB3/Pages/Notes.razor.cs

using global::Microsoft.AspNetCore.Components;
using MP.Data;
using MP.Data.DatabaseModels;
using MP.Data.Services;
using Newtonsoft.Json;


namespace MP_TAB3.Pages
{
    public partial class Notes : IDisposable
    {
        #region Public Methods

        public void Dispose()
        {
            IdxMacc = "";
            CurrMSE = null;
            TDFeeder.dataPipe.EA_NewMessage -= DataPipe_EA_NewMessage;
        }

        #endregion Public Methods

        #region Protected Properties

        protected MappaStatoExpl? CurrMSE { get; set; } = null;
        protected string IdxMacc { get; set; } = "";

        [Inject]
        protected MessageService MsgServ { get; set; } = null!;

        [Inject]
        protected TabDataFeeder TDFeeder { get; set; } = null!;

        #endregion Protected Properties

        #region Protected Methods

        protected override async Task OnInitializedAsync()
        {
            await ReloadData();
            TDFeeder.dataPipe.EA_NewMessage += DataPipe_EA_NewMessage;
        }

        protected async Task RefreshData(List<MappaStatoExpl> newList)
        {
            var ListMSE = newList;
            if (!string.IsNullOrEmpty(IdxMacc))
            {
                var rawData = ListMSE.Find(x => x.IdxMacchina == IdxMacc);
                if (rawData != null)
                {
                    CurrMSE = rawData;
                }
                else
                {
                    await ReloadData();
                }
            }
            await InvokeAsync(StateHasChanged);
        }

        #endregion Protected Methods

        #region Private Methods

        /// <summary>
        /// Ricevuto nuovi dati da mostrare!
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        /// <exception cref="NotImplementedException"></exception>
        private void DataPipe_EA_NewMessage(object? sender, EventArgs e)
        {
            PubSubEventArgs currArgs = (PubSubEventArgs)e;
            // conversione on-the-fly List<string> --> allarmi
            if (!string.IsNullOrEmpty(currArgs.newMessage))
            {
                try
                {
                    List<MappaStatoExpl>? dataList = JsonConvert.DeserializeObject<List<MappaStatoExpl>>(currArgs.newMessage);
                    if (dataList != null)
                    {
                        InvokeAsync(() => RefreshData(dataList));
                    }
                }
                catch
                { }
            }
            InvokeAsync(() =>
            {
                StateHasChanged();
            });
        }

        private async Task ReloadData()
        {
            if (string.IsNullOrEmpty(IdxMacc))
            {
                IdxMacc = await MsgServ.IdxMaccGet();
                // recupero MSE macchina....
                if (!string.IsNullOrEmpty(IdxMacc))
                {
                    CurrMSE = await MsgServ.GetMachineMse(IdxMacc);
                }
            }
        }

        #endregion Private Methods
    }
}