feat(seo): dynamic sitemap with all companies, events, forum topics, B2B — ~150+ URLs instead of 5

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

blueprints/public/routes.py

@@ -2311,39 +2311,74 @@ Sitemap: https://nordabiznes.pl/sitemap.xml
 
 @bp.route('/sitemap.xml')
 def sitemap_xml():
-    """Sitemap XML for search engines."""
+    """Dynamic sitemap XML with all public pages, companies, events, forum topics."""
+    from database import SessionLocal, Company, NordaEvent, ForumTopic
     today = date.today().isoformat()
-    xml = f"""<?xml version="1.0" encoding="UTF-8"?>
-<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">
-    <url>
-        <loc>https://nordabiznes.pl/</loc>
-        <lastmod>{today}</lastmod>
-        <changefreq>daily</changefreq>
-        <priority>1.0</priority>
-    </url>
-    <url>
-        <loc>https://nordabiznes.pl/release-notes</loc>
-        <lastmod>{today}</lastmod>
-        <changefreq>weekly</changefreq>
-        <priority>0.5</priority>
-    </url>
-    <url>
-        <loc>https://nordabiznes.pl/zainstaluj-aplikacje</loc>
-        <lastmod>{today}</lastmod>
-        <changefreq>monthly</changefreq>
-        <priority>0.4</priority>
-    </url>
-    <url>
-        <loc>https://nordabiznes.pl/polityka-prywatnosci</loc>
-        <lastmod>{today}</lastmod>
-        <changefreq>monthly</changefreq>
-        <priority>0.3</priority>
-    </url>
-    <url>
-        <loc>https://nordabiznes.pl/regulamin</loc>
-        <lastmod>{today}</lastmod>
-        <changefreq>monthly</changefreq>
-        <priority>0.3</priority>
-    </url>
-</urlset>"""
-    return Response(xml, mimetype='application/xml')
+    base = 'https://nordabiznes.pl'
+
+    urls = []
+
+    # Static pages
+    urls.append(('/', today, 'daily', '1.0'))
+    urls.append(('/szukaj', today, 'daily', '0.8'))
+    urls.append(('/release-notes', today, 'weekly', '0.5'))
+    urls.append(('/zainstaluj-aplikacje', today, 'monthly', '0.4'))
+    urls.append(('/polityka-prywatnosci', today, 'monthly', '0.3'))
+    urls.append(('/regulamin', today, 'monthly', '0.3'))
+
+    db = SessionLocal()
+    try:
+        # Company pages — highest SEO value
+        companies = db.query(Company).filter(
+            Company.status == 'active'
+        ).all()
+        for c in companies:
+            lastmod = today
+            urls.append((f'/company/{c.slug}', lastmod, 'weekly', '0.9'))
+
+        # Company list / catalog
+        urls.append(('/', today, 'daily', '1.0'))
+
+        # Calendar events (public, future + recent past)
+        events = db.query(NordaEvent).filter(
+            NordaEvent.event_date >= date.today() - timedelta(days=90)
+        ).all()
+        for e in events:
+            lastmod = e.event_date.isoformat() if e.event_date else today
+            urls.append((f'/kalendarz/{e.id}', lastmod, 'weekly', '0.6'))
+
+        # Calendar index
+        urls.append(('/kalendarz/', today, 'weekly', '0.7'))
+
+        # Forum topics (public)
+        try:
+            topics = db.query(ForumTopic).filter(
+                ForumTopic.is_deleted == False  # noqa: E712
+            ).order_by(ForumTopic.created_at.desc()).limit(100).all()
+            for t in topics:
+                lastmod = t.last_reply_at.date().isoformat() if t.last_reply_at else (t.created_at.date().isoformat() if t.created_at else today)
+                urls.append((f'/forum/temat/{t.id}', lastmod, 'weekly', '0.6'))
+            urls.append(('/forum/', today, 'daily', '0.7'))
+        except Exception:
+            pass  # Forum might not have topics
+
+        # B2B classifieds
+        urls.append(('/b2b', today, 'daily', '0.7'))
+
+    except Exception:
+        pass
+    finally:
+        db.close()
+
+    # Build XML
+    xml_parts = ['<?xml version="1.0" encoding="UTF-8"?>',
+                 '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">']
+    seen = set()
+    for loc, lastmod, freq, prio in urls:
+        if loc in seen:
+            continue
+        seen.add(loc)
+        xml_parts.append(f'  <url><loc>{base}{loc}</loc><lastmod>{lastmod}</lastmod><changefreq>{freq}</changefreq><priority>{prio}</priority></url>')
+    xml_parts.append('</urlset>')
+
+    return Response('\n'.join(xml_parts), mimetype='application/xml')