feat: SEO — meta tags, keywords, SSR vendors, robots.txt, sitemap.xml, Schema.org

zkart_app/routes.py

@@ -548,7 +548,47 @@ def apply_pending_overlay(
 
 @bp.get("/")
 def index():
-    return render_template("index.html")
+    conn = get_db()
+    ssr_vendors = [r[0] for r in conn.execute("SELECT name FROM vendors ORDER BY lower(name)")]
+    ssr_categories = [r[0] for r in conn.execute(
+        "SELECT name FROM (SELECT name FROM categories UNION SELECT name FROM ib_categories) ORDER BY lower(name)"
+    )]
+    conn.close()
+    proto = request.headers.get("X-Forwarded-Proto", "https")
+    canonical_url = f"{proto}://{request.host}"
+    return render_template("index.html",
+        ssr_vendors=ssr_vendors,
+        ssr_categories=ssr_categories,
+        canonical_url=canonical_url,
+    )
+
+
+@bp.get("/robots.txt")
+def robots_txt():
+    from flask import Response
+    body = (
+        "User-agent: *\n"
+        "Allow: /\n"
+        f"Disallow: {ADMIN_PATH}\n"
+        "Disallow: /sdjlkfhsjkadahjksdhjgfkhsssssdjkjfljsdfjklsdajfkldsjflksdjfkldsj\n"
+        "\n"
+        f"Sitemap: https://{{host}}/sitemap.xml\n"
+    ).replace("{host}", request.host)
+    return Response(body, mimetype="text/plain")
+
+
+@bp.get("/sitemap.xml")
+def sitemap_xml():
+    from flask import Response
+    proto = request.headers.get("X-Forwarded-Proto", "https")
+    base = f"{proto}://{request.host}"
+    body = (
+        '<?xml version="1.0" encoding="UTF-8"?>\n'
+        '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">\n'
+        f'  <url><loc>{base}/</loc><changefreq>weekly</changefreq><priority>1.0</priority></url>\n'
+        '</urlset>'
+    )
+    return Response(body, mimetype="application/xml")
 
 
 @bp.get("/api/data")