mapo-core/MP.SPEC/Components/FolderBrowser.razor.cs

using Microsoft.AspNetCore.Components;
using MP.Data;

namespace MP.SPEC.Components
{
    public partial class FolderBrowser
    {
        #region Public Properties

        [Parameter]
        public string LogicalPath { get; set; } = "";

        #endregion Public Properties

        #region Protected Properties

        [Inject]
        protected IConfiguration ConfMan { get; set; } = null!;

        #endregion Protected Properties

        #region Protected Methods

        /// <summary>
        /// Restituisce size calcolata
        /// </summary>
        /// <param name="origSize"></param>
        /// <returns></returns>
        protected string CalcSize(long origSize)
        {
            return MeasureUtils.SizeSuffix(origSize, 1);
        }

        protected string FileLink(string fName)
        {
            return $"RET_DATA/{LogicalPath}/{fName}";
        }

        /// <summary>
        /// Eseguo browsing directory...
        /// </summary>
        /// <returns></returns>
        protected override void OnParametersSet()
        {
            ReloadData();
        }

        private void ReloadData()
        {
            // calcolo phisical path...
            string BasePathOdlReturn = ConfMan.GetValue<string>("ServerConf:BasePathOdlReturn") ?? ConfMan.GetValue<string>("OptConf:BasePathOdlReturn") ?? "";
            PhysicalPath = Path.Combine(BasePathOdlReturn, LogicalPath);
            // controllo esista
            if (Directory.Exists(PhysicalPath))
            {
                // recupero come DirectoryInfo x avere tutte le informazioni su nome, tipo, size...
                DirectoryInfo dirInfo = new DirectoryInfo(PhysicalPath);
                SearchRecords = dirInfo.GetFiles().ToList();
            }
            totalCount = SearchRecords.Count;
            // filtro x display
            ListRecords = SearchRecords
                                .Skip(numRecord * (currPage - 1))
                                .Take(numRecord)
                                .ToList();
        }
        private int totalCount { get; set; } = 0;

        #endregion Protected Methods

        #region Private Properties

        private List<FileInfo> ListRecords { get; set; } = new List<FileInfo>();
        private List<FileInfo> SearchRecords { get; set; } = new List<FileInfo>();
        private string PhysicalPath { get; set; } = "";

        #endregion Private Properties

        private int currPage { get; set; } = 1;

        private bool isLoading { get; set; } = false;

        private int numRecord { get; set; } = 10;
        protected async Task SetNumRec(int newNum)
        {
            numRecord = newNum;
            currPage = 1;
            ReloadData();
            await InvokeAsync(ReloadData);
        }

        protected async Task SetPage(int newNum)
        {
            ReloadData();
            currPage = newNum;
            await InvokeAsync(ReloadData);
        }
    }
}