mapo-core/MP.Land/Pages/IobList.razor.cs

using DnsClient.Protocol;
using Microsoft.AspNetCore.Components;
using Microsoft.Extensions.Configuration;
using Microsoft.JSInterop;
using MP.AppAuth.Models;
using MP.AppAuth.Services;
using MP.Land.Data;
using NLog;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace MP.Land.Pages
{
    public partial class IobList : ComponentBase, IDisposable
    {
        #region Private Fields

        /// <summary>
        /// Classe logger
        /// </summary>
        private static Logger Log = LogManager.GetCurrentClassLogger();

        private List<MacchineModel> ListRecords = new List<MacchineModel>();
        private List<MacchineModel> SearchRecords = new List<MacchineModel>();
        private List<MacchineModel> AllRecords = new List<MacchineModel>();

        private string Titolo = "";

        private int totalCount = 0;

        #endregion Private Fields

        #region Protected Properties

        [Inject]
        protected AppAuthService AppDService { get; set; }

        [Inject]
        protected MessageService AppMService { get; set; }

        [Inject]
        protected IConfiguration Configuration { get; set; }

        [Inject]
        protected IJSRuntime JSRuntime { get; set; } = null!;

        #endregion Protected Properties

        #region Public Methods

        public void Dispose()
        {
            ListRecords = null;
            AppMService.EA_SearchUpdated -= AppMService_EA_SearchUpdated;
            GC.Collect();
        }

        #endregion Public Methods

        #region Protected Methods

        protected override void OnInitialized()
        {
            ListRecords = null;
            Titolo = "Elenco IOB Amministrati";
            AppMService.ShowSearch = true;
            AppMService.PageName = "IobList";
            AppMService.PageIcon = "fas fa-computer pe-2";
            AppMService.EA_SearchUpdated += AppMService_EA_SearchUpdated;
            DataInit();
        }

        private string searchVal = "";

        private void AppMService_EA_SearchUpdated()
        {
            isLoading = true;
            searchVal = AppMService.SearchVal;
            currPage = 1;
            RefreshDisplay();
            isLoading = false;
        }

        protected void DataInit()
        {
            isLoading = true;
            // importante altrimenti NON mostra update UI
            AllRecords = AppDService.MacchineGetAll();
            RefreshDisplay();
            isLoading = false;
        }

        private bool isLoading = false;
        private int currPage = 1;
        private int numRecord = 10;

        protected void SetNumRec(int newNum)
        {
            numRecord = newNum;
            RefreshDisplay();
        }

        protected void SetPage(int newNum)
        {
            currPage = newNum;
            RefreshDisplay();
        }

        private void RefreshDisplay()
        {
            // se ho ricerca filtro...
            if (string.IsNullOrEmpty(searchVal))
            {
                SearchRecords = AllRecords;
            }
            else
            {
                SearchRecords = AllRecords
                                    .Where(x => x.Nome.Contains(searchVal, StringComparison.InvariantCultureIgnoreCase) 
                                    || x.CodMacchina.Contains(searchVal, StringComparison.InvariantCultureIgnoreCase)
                                    || x.Descrizione.Contains(searchVal, StringComparison.InvariantCultureIgnoreCase) 
                                    || x.IdxMacchina.Contains(searchVal, StringComparison.InvariantCultureIgnoreCase))
                                    .ToList();
            }
            // conto record
            totalCount = SearchRecords.Count();
            // fix paginazione
            ListRecords = SearchRecords
                            .Skip(numRecord * (currPage - 1))
                            .Take(numRecord)
                            .ToList();
        }

        protected string checkSelect(MacchineModel IdxODL)
        {
            string answ = "";
#if false
            if (currRecord != null)
            {
                try
                {
                    answ = (currRecord.IdxOdl == IdxODL) ? "table-info" : "";
                }
                catch
                { }
            }
#endif
            return answ;
        }

        #endregion Protected Methods
    }
}