Add DevExpress Reporting and Custom Report Storage
Updated project dependencies to include DevExpress Reporting and PDF Drawing libraries. Registered DevExpress services and middleware in `Program.cs`. Added `CustomReportStorageWebExtension` to handle read-only invoice reports, including database and file system integration. Enhanced logging for better traceability and error handling.
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@@ -16,8 +16,10 @@
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</Target>
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</Target>
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<ItemGroup>
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<ItemGroup>
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<PackageReference Include="DevExpress.AspNetCore.Reporting" Version="25.2.7" />
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<PackageReference Include="DevExpress.Document.Processor" Version="25.2.7" />
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<PackageReference Include="DevExpress.Document.Processor" Version="25.2.7" />
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<PackageReference Include="DevExtreme.AspNet.Core" Version="25.2.*" />
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<PackageReference Include="DevExpress.Pdf.Drawing" Version="25.2.7" />
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<PackageReference Include="DevExtreme.AspNet.Core" Version="25.2.7" />
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<PackageReference Include="MailKit" Version="4.16.0" />
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<PackageReference Include="MailKit" Version="4.16.0" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.8" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="8.0.8" />
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<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.8">
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<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="8.0.8">
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@@ -0,0 +1,119 @@
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using DevExpress.XtraReports.UI;
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using DevExpress.XtraReports.Web.Extensions;
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using DXApp.TemplateKitProject.Data;
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using Microsoft.EntityFrameworkCore;
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namespace DXApp.TemplateKitProject.DevExpressExtensions;
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public class CustomReportStorageWebExtension : ReportStorageWebExtension
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{
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private readonly AppDbContext _db;
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private readonly ILogger<CustomReportStorageWebExtension> _logger;
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public CustomReportStorageWebExtension(
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AppDbContext db,
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ILogger<CustomReportStorageWebExtension> logger)
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{
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_db = db;
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_logger = logger;
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}
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public override bool CanSetData(string url)
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{
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// Wir erlauben KEIN Speichern von Änderungen über den Viewer
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// PDFs sind bei uns Read-Only im Viewer
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return false;
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}
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public override bool IsValidUrl(string url)
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{
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// Prüfen ob URL dem Format entspricht: "invoice-{id}"
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return url.StartsWith("invoice-", StringComparison.OrdinalIgnoreCase);
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}
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public override byte[] GetData(string url)
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{
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try
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{
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_logger.LogDebug("GetData aufgerufen für URL: {Url}", url);
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// URL-Format: "invoice-123" → ID extrahieren
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if (!url.StartsWith("invoice-", StringComparison.OrdinalIgnoreCase))
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{
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_logger.LogWarning("Ungültige URL: {Url}", url);
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return Array.Empty<byte>();
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}
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var idString = url.Substring("invoice-".Length);
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if (!int.TryParse(idString, out var invoiceId))
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{
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_logger.LogWarning("Ungültige Invoice-ID in URL: {Url}", url);
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return Array.Empty<byte>();
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}
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// Rechnung aus Datenbank laden
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var invoice = _db.ZugferdInvoices
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.AsNoTracking()
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.FirstOrDefault(i => i.Id == invoiceId);
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if (invoice == null)
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{
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_logger.LogWarning("Rechnung mit ID {Id} nicht gefunden.", invoiceId);
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return Array.Empty<byte>();
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}
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// Prüfen ob ResultFilePath existiert
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if (string.IsNullOrEmpty(invoice.ResultFilePath))
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{
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_logger.LogWarning(
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"Rechnung {Id} hat keine Result-PDF (ResultFilePath ist leer).",
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invoiceId);
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return Array.Empty<byte>();
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}
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// Datei vom Dateisystem laden
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if (!File.Exists(invoice.ResultFilePath))
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{
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_logger.LogError(
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"Result-PDF-Datei nicht gefunden: {Path}",
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invoice.ResultFilePath);
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return Array.Empty<byte>();
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}
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var pdfBytes = File.ReadAllBytes(invoice.ResultFilePath);
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_logger.LogInformation(
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"Result-PDF geladen: Invoice {Id}, Größe: {Size} Bytes",
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invoiceId,
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pdfBytes.Length);
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return pdfBytes;
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}
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catch (Exception ex)
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{
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_logger.LogError(ex, "Fehler beim Laden der PDF für URL: {Url}", url);
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return Array.Empty<byte>();
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}
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}
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public override Dictionary<string, string> GetUrls()
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{
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// Diese Methode wird verwendet um eine Liste aller verfügbaren Reports zu liefern
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// Für unseren Use-Case nicht benötigt (wir laden immer spezifisch eine Invoice)
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return new Dictionary<string, string>();
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}
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public override void SetData(XtraReport report, string url)
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{
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// Nicht implementiert - wir erlauben kein Speichern über den Viewer
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throw new NotSupportedException(
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"Das Speichern von Reports über den Document Viewer ist nicht unterstützt.");
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}
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public override string SetNewData(XtraReport report, string defaultUrl)
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{
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// Nicht implementiert - wir erstellen keine neuen Reports über den Viewer
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throw new NotSupportedException(
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"Das Erstellen neuer Reports über den Document Viewer ist nicht unterstützt.");
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}
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}
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@@ -1,11 +1,19 @@
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using DXApp.TemplateKitProject.Data;
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using DXApp.TemplateKitProject.Data;
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using DXApp.TemplateKitProject.DevExpressExtensions;
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using DXApp.TemplateKitProject.Services;
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using DXApp.TemplateKitProject.Services;
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using Microsoft.EntityFrameworkCore;
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using Microsoft.EntityFrameworkCore;
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using DevExpress.AspNetCore;
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using DevExpress.AspNetCore.Reporting;
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using DevExpress.XtraReports.Web.Extensions;
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var builder = WebApplication.CreateBuilder(args);
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var builder = WebApplication.CreateBuilder(args);
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builder.Services.AddRazorPages();
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builder.Services.AddRazorPages();
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// DevExpress Controls und Reporting Services
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builder.Services.AddDevExpressControls();
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builder.Services.AddScoped<ReportStorageWebExtension, CustomReportStorageWebExtension>();
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// Datenbank
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// Datenbank
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var connectionString = builder.Configuration.GetConnectionString("EcmContext")
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var connectionString = builder.Configuration.GetConnectionString("EcmContext")
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?? throw new InvalidOperationException("Connection string 'EcmContext' not found.");
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?? throw new InvalidOperationException("Connection string 'EcmContext' not found.");
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@@ -30,12 +38,18 @@ if (!app.Environment.IsDevelopment())
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app.UseHttpsRedirection();
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app.UseHttpsRedirection();
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// MIME-Types für PDF.js registrieren (einmaliger UseStaticFiles-Aufruf)
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// MIME-Types für PDF.js UND DevExpress registrieren
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var provider = new Microsoft.AspNetCore.StaticFiles.FileExtensionContentTypeProvider();
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var provider = new Microsoft.AspNetCore.StaticFiles.FileExtensionContentTypeProvider();
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provider.Mappings[".mjs"] = "text/javascript";
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provider.Mappings[".mjs"] = "text/javascript";
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provider.Mappings[".ftl"] = "text/plain";
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provider.Mappings[".ftl"] = "text/plain";
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provider.Mappings[".woff2"] = "font/woff2";
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provider.Mappings[".woff"] = "font/woff";
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app.UseStaticFiles(new StaticFileOptions { ContentTypeProvider = provider });
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app.UseStaticFiles(new StaticFileOptions { ContentTypeProvider = provider });
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// DevExpress Middleware
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app.UseDevExpressControls();
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app.UseRouting();
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app.UseRouting();
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app.UseAuthorization();
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app.UseAuthorization();
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app.MapRazorPages();
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app.MapRazorPages();
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