06/18 Phase 7

app/blueprints/main/routes.py

@@ -1,5 +1,6 @@
-"""Main blueprint: landing page and health check."""
-from flask import Blueprint, render_template, jsonify
+"""Main blueprint: landing page, health check, SEO files."""
+from datetime import datetime
+from flask import Blueprint, render_template, jsonify, Response, request
 
 main_bp = Blueprint("main", __name__)
 
@@ -12,3 +13,91 @@ def index():
 @main_bp.route("/healthz")
 def healthz():
     return jsonify(status="ok")
+
+
+@main_bp.route("/robots.txt")
+def robots():
+    lines = [
+        "User-agent: *",
+        "Disallow: /admin",
+        "Disallow: /auth/",
+        "Disallow: /my/",
+        "Disallow: /messages",
+        "Disallow: /billing/",
+        f"Sitemap: {request.host_url}sitemap.xml",
+    ]
+    return Response("\n".join(lines), mimetype="text/plain")
+
+
+@main_bp.route("/sitemap.xml")
+def sitemap():
+    from app.extensions import db
+    from app.models.listing import Listing
+    from app.models.category import Category
+    from app.models.enums import ListingStatus
+
+    base = request.host_url.rstrip("/")
+    urls = []
+
+    # static pages
+    for path in ("", "/listings", "/pricing", "/sponsors"):
+        urls.append({"loc": f"{base}{path}", "changefreq": "daily", "priority": "0.8"})
+
+    # categories
+    for cat in Category.query.filter_by(is_active=True).all():
+        urls.append({
+            "loc": f"{base}/listings?category={cat.id}",
+            "changefreq": "daily",
+            "priority": "0.7",
+        })
+
+    # active listings (last 500 by bump/created for crawl budget)
+    listings = (Listing.query
+                .filter(Listing.status == ListingStatus.active,
+                        Listing.expires_at > datetime.utcnow())
+                .order_by(Listing.created_at.desc())
+                .limit(500).all())
+    for l in listings:
+        urls.append({
+            "loc": f"{base}/listings/{l.id}",
+            "lastmod": l.updated_at.strftime("%Y-%m-%d"),
+            "changefreq": "weekly",
+            "priority": "0.6",
+        })
+
+    xml = render_template("sitemap.xml", urls=urls)
+    return Response(xml, mimetype="application/xml")
+
+
+# ---------------------------------------------------------------------------
+# SEO landing pages
+# ---------------------------------------------------------------------------
+@main_bp.route("/classifieds/category/<slug>")
+def category_landing(slug):
+    from app.extensions import db
+    from app.models.category import Category
+    from app.models.listing import Listing
+    from app.models.enums import ListingStatus
+    cat = Category.query.filter_by(slug=slug, is_active=True).first_or_404()
+    listings = (Listing.query
+                .filter(Listing.category_id == cat.id,
+                        Listing.status == ListingStatus.active,
+                        Listing.expires_at > datetime.utcnow())
+                .order_by(Listing.created_at.desc())
+                .limit(20).all())
+    return render_template("main/category_landing.html", cat=cat, listings=listings)
+
+
+@main_bp.route("/classifieds/state/<state>")
+def state_landing(state):
+    from app.extensions import db
+    from app.models.listing import Listing
+    from app.models.enums import ListingStatus
+    state = state.upper()
+    listings = (Listing.query
+                .filter(Listing.state == state,
+                        Listing.status == ListingStatus.active,
+                        Listing.expires_at > datetime.utcnow())
+                .order_by(Listing.created_at.desc())
+                .limit(20).all())
+    return render_template("main/state_landing.html", state=state, listings=listings)