Files
maru-hleda-byt/ratings_server.py
Marie Michalova b8d4d44164 Rewrite PSN + CityHome scrapers, add price/m² map coloring, ratings system, and status dashboard
- Rewrite PSN scraper to use /api/units-list endpoint (single API call, no HTML parsing)
- Fix CityHome scraper: GPS from multiple URL patterns, address from table cells, no 404 retries
- Color map markers by price/m² instead of disposition (blue→green→orange→red scale)
- Add persistent rating system (favorite/reject) with Flask ratings server and localStorage fallback
- Rejected markers show original color at reduced opacity with 🚫 SVG overlay
- Favorite markers shown as  star icons with gold pulse animation
- Add "new today" marker logic (scraped_at == today) with larger pulsing green outline
- Add filter panel with floor, price, hide-rejected controls and ☰/✕ toggle buttons
- Add generate_status.py for scraper run statistics and status.html dashboard
- Add scraped_at field to all scrapers for freshness tracking
- Update run_all.sh with log capture and status generation

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
2026-02-18 15:15:25 +01:00

117 lines
4.0 KiB
Python

#!/usr/bin/env python3
"""
Minimal HTTP API server for persisting apartment ratings.
GET /api/ratings → returns ratings.json contents
POST /api/ratings → saves entire ratings object
GET /api/ratings/export → same as GET, but with download header
Ratings file: /app/data/ratings.json (or ./ratings.json locally)
"""
import json
import logging
import os
import sys
from http.server import BaseHTTPRequestHandler, HTTPServer
from pathlib import Path
PORT = int(os.environ.get("RATINGS_PORT", 8081))
DATA_DIR = Path(os.environ.get("DATA_DIR", "."))
RATINGS_FILE = DATA_DIR / "ratings.json"
logging.basicConfig(
level=logging.INFO,
format="%(asctime)s [ratings] %(levelname)s %(message)s",
datefmt="%Y-%m-%dT%H:%M:%S",
)
log = logging.getLogger(__name__)
def load_ratings() -> dict:
try:
if RATINGS_FILE.exists():
return json.loads(RATINGS_FILE.read_text(encoding="utf-8"))
except Exception as e:
log.error("Failed to load ratings: %s", e)
return {}
def save_ratings(data: dict) -> None:
RATINGS_FILE.write_text(
json.dumps(data, ensure_ascii=False, indent=2),
encoding="utf-8",
)
class RatingsHandler(BaseHTTPRequestHandler):
def log_message(self, format, *args):
# Suppress default HTTP access log (we use our own)
pass
def _send_json(self, status: int, body: dict, extra_headers=None):
payload = json.dumps(body, ensure_ascii=False).encode("utf-8")
self.send_response(status)
self.send_header("Content-Type", "application/json; charset=utf-8")
self.send_header("Content-Length", str(len(payload)))
self.send_header("Access-Control-Allow-Origin", "*")
self.send_header("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
self.send_header("Access-Control-Allow-Headers", "Content-Type")
if extra_headers:
for k, v in extra_headers.items():
self.send_header(k, v)
self.end_headers()
self.wfile.write(payload)
def do_OPTIONS(self):
# CORS preflight
self.send_response(204)
self.send_header("Access-Control-Allow-Origin", "*")
self.send_header("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
self.send_header("Access-Control-Allow-Headers", "Content-Type")
self.end_headers()
def do_GET(self):
if self.path in ("/api/ratings", "/api/ratings/export"):
ratings = load_ratings()
extra = None
if self.path == "/api/ratings/export":
extra = {"Content-Disposition": 'attachment; filename="ratings.json"'}
log.info("GET %s%d ratings", self.path, len(ratings))
self._send_json(200, ratings, extra)
else:
self._send_json(404, {"error": "not found"})
def do_POST(self):
if self.path == "/api/ratings":
length = int(self.headers.get("Content-Length", 0))
if length == 0:
self._send_json(400, {"error": "empty body"})
return
try:
raw = self.rfile.read(length)
data = json.loads(raw.decode("utf-8"))
except Exception as e:
log.warning("Bad request body: %s", e)
self._send_json(400, {"error": "invalid JSON"})
return
if not isinstance(data, dict):
self._send_json(400, {"error": "expected JSON object"})
return
save_ratings(data)
log.info("POST /api/ratings → saved %d ratings", len(data))
self._send_json(200, {"ok": True, "count": len(data)})
else:
self._send_json(404, {"error": "not found"})
if __name__ == "__main__":
log.info("Ratings server starting on port %d, data dir: %s", PORT, DATA_DIR)
log.info("Ratings file: %s", RATINGS_FILE)
server = HTTPServer(("0.0.0.0", PORT), RatingsHandler)
try:
server.serve_forever()
except KeyboardInterrupt:
log.info("Stopped.")
sys.exit(0)