sitemap genertator

Author: f7deat

.gitignore

@@ -20,3 +20,4 @@
 /ClientApp/package-lock.json
 /appsettings.Development.json
 /wwwroot/backup
+/wwwroot/sitemap.xml

Controllers/MetaController.cs

@@ -1,12 +1,25 @@
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
 using System.Diagnostics;
+using System.Xml;
+using Waffle.Data;
+using Waffle.Extensions;
 using Waffle.Foundations;
 
 namespace Waffle.Controllers;
 
 public class MetaController : BaseController
 {
+    private readonly ApplicationDbContext _context;
+    private readonly IWebHostEnvironment _webHostEnvironment;
+
+    public MetaController(ApplicationDbContext context, IWebHostEnvironment webHostEnvironment)
+    {
+        _context = context;
+        _webHostEnvironment = webHostEnvironment;
+    }
+
     [HttpGet("/info"), AllowAnonymous]
     public IActionResult Info()
     {
@@ -17,4 +30,39 @@ public IActionResult Info()
 
         return Ok($"Version: {version}, Last Updated: {creationDate}");
     }
+
+    [HttpGet("sitemap-generator"), AllowAnonymous]
+    public async Task<IActionResult> SitemapGeneratorAsync()
+    {
+        var catalogs = await _context.Catalogs.Where(x => x.Active).ToListAsync();
+        // Create an XmlWriter to generate the sitemap XML file
+        var path = Path.Combine(_webHostEnvironment.WebRootPath, "sitemap.xml");
+        using (XmlWriter writer = XmlWriter.Create(path))
+        {
+            // Start the document
+            writer.WriteStartDocument();
+            writer.WriteStartElement("urlset", "http://www.sitemaps.org/schemas/sitemap/0.9");
+
+            // Add URLs and metadata
+            foreach (var item in catalogs)
+            {
+                var url = item.GetUrl();
+                AddUrl(writer, $"https://{Request.Host.Value}{url}", item.ModifiedDate.ToString("yyyy-MM-dd"), "0.8");
+            }
+
+            // End the document
+            writer.WriteEndElement();
+            writer.WriteEndDocument();
+        }
+        return Ok();
+    }
+
+    static void AddUrl(XmlWriter writer, string url, string lastModified, string priority)
+    {
+        writer.WriteStartElement("url");
+        writer.WriteElementString("loc", url);
+        writer.WriteElementString("lastmod", lastModified);
+        writer.WriteElementString("priority", priority);
+        writer.WriteEndElement();
+    }
 }