lux/TestDevExpress/Components/Pages/TestReportViewer.razor.cs

using DevExpress.Blazor.Reporting;
using DevExpress.DataAccess;
using DevExpress.DataAccess.Json;
using DevExpress.DataAccess.ObjectBinding;
using DevExpress.Drawing.Internal.Fonts.Interop;
using DevExpress.Security;
using DevExpress.XtraPrinting.Native.Properties;
using DevExpress.XtraReports;
using DevExpress.XtraReports.Parameters;
using DevExpress.XtraReports.Services;
using DevExpress.XtraReports.UI;
using Microsoft.AspNetCore.Components;
using Microsoft.AspNetCore.WebUtilities;
using System;
using System.Security.Cryptography;
using TestDevExpress.Components.Reports;

namespace TestDevExpress.Components.Pages
{
    public partial class TestReportViewer
    {

        #region Protected Methods

        private string pdfUrl
        {
            get => $"download-offer?id={oID}";
        }
        private int oID = 0;
        protected override void OnInitialized()
        {
            // calcolo i parametri x IMG e Json da conf
            string apiUrl = _config.GetValue<string>("ServerConf:ApiBaseUrl") ?? "https://iis01.egalware.com/lux/srv/api";
            string imgUrl = _config.GetValue<string>("ServerConf:ImageUrl") ?? "image";
            string dataUrl = _config.GetValue<string>("ServerConf:DataUrl") ?? "report/offert/";

            string imgFullUrl = $"{apiUrl}/{imgUrl}/";
            string dataFullUrl = $"{apiUrl}/{dataUrl}";

            //cerco id da URL x offerta da mostrare
            var uri = NavManager.ToAbsoluteUri(NavManager.Uri);
            //if (QueryHelpers.ParseQuery(uri.Query).TryGetValue("OfferId", out var offerId))
            //{
            //    int.TryParse(offerId, out oID);
            //    currReport = new OfferReport(dataFullUrl, oID);
            //    currReport.Parameters["pImgPath"].Value = imgFullUrl;
            //}

            // Costruzione report viewer con import report
            if (QueryHelpers.ParseQuery(uri.Query).TryGetValue("OfferId", out var offerId))
            {
                int.TryParse(offerId, out oID);
                Report = reportProvider.GetReport("TestReport1?URL=" + dataFullUrl + "?pOfferId=" + offerId + "&pImgPath=" + imgFullUrl, null);
                var ds = CreateDataSourceFromWeb(oID, dataFullUrl);
                ds.Fill();
                Report.DataSource = ds;
                Report.DataMember = "";
                Report.Parameters["pImgPath"].Value = imgFullUrl;
            }
        }

        public JsonDataSource CreateDataSourceFromWeb(int oID, string dataFullUrl)
        {
            // Create a new JSON source.
            var jsonSource = new UriJsonSource()
            {
                Uri = new Uri(dataFullUrl)
            };
            jsonSource.PathParameters.Add(new PathParameter("OfferId", typeof(int), oID));
            // Assign the JSON source to the data source.
            var datasource = new JsonDataSource()
            {
                JsonSource = jsonSource
            };
            return datasource;
        }
        #endregion Protected Methods

        #region Private Fields

        private OfferReport currReport = new();
        private DxReportViewer? reportViewer;
        private XtraReport Report = new XtraReport1();

        #endregion Private Fields

        #region Private Properties

        [Inject]
        private IConfiguration _config { get; set; } = null!;

        [Inject]
        private NavigationManager NavManager { get; set; } = null!;

        [Inject]
        public IReportProvider reportProvider { get; set; }

        #endregion Private Properties
    }
}