Update

app/Console/Commands/GenerateSitemap.php

@@ -0,0 +1,71 @@
+<?php
+
+namespace App\Console\Commands;
+
+use Illuminate\Console\Command;
+use Spatie\Sitemap\SitemapIndex;
+
+class GenerateSitemap extends Command
+{
+    protected $signature = 'sitemap:generate';
+
+    protected $description = 'Generate main sitemap index that links to all sub-sitemaps';
+
+    public function handle(): int
+    {
+        $this->info('Starting main sitemap generation...');
+
+        $sitemapIndex = SitemapIndex::create();
+
+        // Get the base URL from config
+        $baseUrl = config('app.url');
+
+        // List of sub-sitemaps to include in the main sitemap
+        $subSitemaps = [
+            [
+                'url' => $baseUrl.'/sitemap_static.xml',
+                'lastModified' => $this->getSitemapLastModified('sitemap_static.xml'),
+            ],
+            [
+                'url' => $baseUrl.'/sitemap_memes.xml',
+                'lastModified' => $this->getSitemapLastModified('sitemap_memes.xml'),
+            ],
+            // Future sitemaps can be added here:
+            // [
+            //     'url' => $baseUrl . '/sitemap_pages.xml',
+            //     'lastModified' => now(),
+            // ],
+        ];
+
+        // Add each sub-sitemap to the index
+        foreach ($subSitemaps as $sitemap) {
+            $sitemapIndex->add($sitemap['url'], $sitemap['lastModified']);
+            $this->info("Added sub-sitemap: {$sitemap['url']}");
+        }
+
+        // Save the main sitemap index
+        $sitemapPath = public_path('sitemap.xml');
+        $sitemapIndex->writeToFile($sitemapPath);
+
+        $this->info('Main sitemap index generated successfully!');
+        $this->info("Sitemap saved to: {$sitemapPath}");
+        $this->info('Total sub-sitemaps: '.count($subSitemaps));
+
+        return Command::SUCCESS;
+    }
+
+    /**
+     * Get the last modification date of a sitemap file
+     */
+    private function getSitemapLastModified(string $filename): \DateTime
+    {
+        $filepath = public_path($filename);
+
+        if (file_exists($filepath)) {
+            return new \DateTime('@'.filemtime($filepath));
+        }
+
+        // If file doesn't exist, return current time
+        return new \DateTime;
+    }
+}