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

using Microsoft.AspNetCore.Components;
using MP.MONO.Core.DTO;
using MP.MONO.Data;
using Newtonsoft.Json;

namespace MP.MONO.UI.Components
{
    public partial class ParamPlot
    {
        #region Private Fields

        private int maxRecord = 120;
        private bool showParam = false;

        #endregion Private Fields

        #region Protected Fields

        protected DateTime lastRec = DateTime.Now.AddMinutes(-1);

        protected Dictionary<string, string> listMaxVal = new Dictionary<string, string>();
        protected Dictionary<string, string> listMinVal = new Dictionary<string, string>();
        protected Dictionary<string, List<chartJsData.chartJsTSerie>> plotData = new Dictionary<string, List<chartJsData.chartJsTSerie>>();

        protected double sampleSecMin = 1;

        #endregion Protected Fields

        #region Protected Properties

        protected string _selParam { get; set; } = "";

        protected List<chartJsData.chartJsTSerie> LevelVal
        {
            get
            {
                List<chartJsData.chartJsTSerie> answ = new List<chartJsData.chartJsTSerie>();
                if (plotData.ContainsKey(SelectedParam))
                {
                    answ = plotData[SelectedParam];
                }
                return answ;
            }
        }

        protected string? MaxVal
        {
            get
            {
                string answ = "0";
                if (listMaxVal != null && listMaxVal.Count > 0)
                {
                    answ = listMaxVal[SelectedParam] ?? "0";
                }

                return answ;

            }
        }

        protected string? MinVal
        {
            get
            {
                string answ = "0";
                if (listMinVal != null && listMinVal.Count > 0)
                {
                    answ = listMinVal[SelectedParam] ?? "0";
                }

                return answ;

            }
        }

        #endregion Protected Properties

        #region Public Properties

        [Parameter]
        public string SelectedParam
        {
            get
            {
                return _selParam;
            }
            set
            {
                // controllo se è variato
                if (_selParam != value)
                {
                    // salvo
                    _selParam = value;
                    // cerco se ho in dictionary...
                    if (!plotData.ContainsKey(value))
                    {
                        DateTime adesso = DateTime.Now;
                        // creo un oggetto della lunghezza desiderata...
                        var emptyData = new List<chartJsData.chartJsTSerie>();
                        for (int i = -maxRecord; i < 0; i++)
                        {
                            emptyData.Add(new chartJsData.chartJsTSerie() { x = adesso.AddSeconds(i), y = 0 });
                        }
                        plotData.Add(value, emptyData);
                    }
                }
            }
        }

        #endregion Public Properties

        #region Private Methods

        //private int inputValue = 123;
        private void ParametersPipe_EA_NewMessage(object? sender, EventArgs e)
        {
            DateTime adesso = DateTime.Now;
            if (lastRec.AddSeconds(sampleSecMin) < adesso)
            {
                PubSubEventArgs currArgs = (PubSubEventArgs)e;
                if (!string.IsNullOrEmpty(currArgs.newMessage))
                {
                    try
                    {
                        var ListRecords = JsonConvert.DeserializeObject<List<DisplayDataDTO>>(currArgs.newMessage);
                        // prendo SOLO il dato della TS richiesta
                        if (ListRecords != null)
                        {
                            // accodo in blocco tutti i valori...
                            foreach (var item in ListRecords)
                            {
                                // cerco se ci sono min/max del valore indicato...
                                if (!listMinVal.ContainsKey(item.Title))
                                {
                                    listMinVal.Add(item.Title, $"{item.MinVal:N0}");
                                }
                                if (!listMaxVal.ContainsKey(item.Title))
                                {
                                    listMaxVal.Add(item.Title, $"{item.MaxVal:N0}");
                                }
                                // verifico dictionary se mancasse...
                                if (!plotData.ContainsKey(item.Title))
                                {
                                    //plotData.Add(item.Title, new List<chartJsData.chartJsTSerie>());
                                    // creo un oggetto della lunghezza desiderata...
                                    var emptyData = new List<chartJsData.chartJsTSerie>();
                                    for (int i = -maxRecord; i < 0; i++)
                                    {
                                        emptyData.Add(new chartJsData.chartJsTSerie() { x = adesso.AddSeconds(i), y = 0 });
                                    }
                                    plotData.Add(item.Title, emptyData);
                                }
                                // ora accodo il valore
                                if (plotData.ContainsKey(item.Title))
                                {
                                    plotData[item.Title].Add(new chartJsData.chartJsTSerie() { x = adesso, y = item.ValueNum });
                                    // verifico limite visualizzazione
                                    if (plotData[item.Title].Count > maxRecord)
                                    {
                                        plotData[item.Title].RemoveRange(0, plotData[item.Title].Count - maxRecord);
                                    }
                                }
                            }
                        }
                    }
                    catch
                    { }
                }
                lastRec = adesso;
            }
            InvokeAsync(() =>
            {
                StateHasChanged();
            });
        }

        private void toggleParam()
        {
            showParam = !showParam;
        }

        #endregion Private Methods

        #region Protected Methods

        protected List<string> getFillColors(string alpha)
        {
            List<string> answ = new List<string>();
            answ.Add($"rgba(108, 164, 254, {alpha})");
            return answ;
        }

        protected List<string> getLineColors(string alpha)
        {
            List<string> answ = new List<string>();
            answ.Add($"rgba(54, 82, 254, {alpha})");
            return answ;
        }

        protected List<string> getPointColors(string alpha)
        {
            List<string> answ = new List<string>();
            answ.Add($"rgba(108, 118, 158, {alpha})");
            return answ;
        }

        protected override async Task OnInitializedAsync()
        {
            //await ReloadData();
            await Task.Delay(1);
            MMDataService.parametersPipe.EA_NewMessage += ParametersPipe_EA_NewMessage;
        }

        #endregion Protected Methods
    }
}