Files
Paperwall/web/app.py
T
Honey a9ed1b6fb4 Clarify Departures covers bus/tram/subway too, add clear found/not-found feedback
The API (HAFAS via db-vendo-client) covers all public transport in one
system, not just trains -- verified with a mocked bus-stop response
(Bus 14/Bus 9/Bus 66 mixed with a regional train, all rendering correctly,
no code changes needed since nothing in check()/render() ever filtered by
mode). Fixed the "Train departures" wording in code comments and settings
UI, which was misleadingly train-specific.

Also added an explicit "Found: <station>" confirmation toast on a
successful station lookup, distinct from the generic "Saved." toast --
previously the only feedback was a passive "Currently: X" hint, easy to
miss and not obviously tied to the save you just did.
2026-07-22 21:45:18 +02:00

199 lines
9.1 KiB
Python

"""Flask app: status/preview page + one settings form per screen + rotation settings."""
import requests
from flask import Flask, redirect, render_template, request, url_for
from PIL import Image
from werkzeug.utils import secure_filename
from screens.picture import UPLOAD_DIR
ALLOWED_IMAGE_EXTENSIONS = {"png", "jpg", "jpeg", "gif", "bmp", "webp"}
def create_app(config, screens: dict, scheduler) -> Flask:
app = Flask(__name__)
app.config["MAX_CONTENT_LENGTH"] = 20 * 1024 * 1024 # 20 MB, generous for a photo
@app.route("/")
def index():
status = scheduler.get_status()
return render_template(
"index.html",
status=status,
screens=screens,
rotation=config.get_rotation(),
navidrome_priority=config.get_navidrome_priority(),
)
@app.route("/actions/refresh", methods=["POST"])
def refresh_now():
scheduler.request_manual_refresh()
return redirect(url_for("index"))
@app.route("/actions/switch/<screen_id>", methods=["POST"])
def switch_now(screen_id):
if screen_id in screens:
scheduler.request_switch(screen_id)
return redirect(url_for("index"))
@app.route("/actions/resume", methods=["POST"])
def resume_rotation():
scheduler.request_resume_rotation()
return redirect(url_for("index"))
@app.route("/settings/navidrome", methods=["GET", "POST"])
def settings_navidrome():
if request.method == "POST":
config.update_screen_settings("navidrome", {
"url": request.form.get("url", "").strip(),
"username": request.form.get("username", "").strip(),
"password": request.form.get("password", ""),
"filter_user": request.form.get("filter_user", "").strip(),
"show_progress": "show_progress" in request.form,
"show_genre": "show_genre" in request.form,
"show_source": "show_source" in request.form,
"boost_cover": "boost_cover" in request.form,
"grayscale_cover": "grayscale_cover" in request.form,
})
return redirect(url_for("settings_navidrome", saved=1))
return render_template("settings_navidrome.html", settings=config.get_screen_settings("navidrome"))
@app.route("/settings/weather", methods=["GET", "POST"])
def settings_weather():
error = None
if request.method == "POST":
city = request.form.get("city", "").strip()
lat_raw = request.form.get("latitude", "").strip()
lon_raw = request.form.get("longitude", "").strip()
forecast_days = int(request.form.get("forecast_days", 3) or 3)
if forecast_days not in (3, 5, 7):
forecast_days = 3
update_minutes = max(1, int(request.form.get("update_minutes", 30) or 30))
if city:
try:
result = screens["weather"].geocode(city)
except requests.exceptions.RequestException:
result = None
if result is None:
error = f'Could not find "{city}" -- try a different spelling, or fill in coordinates manually below instead.'
else:
config.update_screen_settings("weather", {
"city": result["label"],
"latitude": result["latitude"],
"longitude": result["longitude"],
"forecast_days": forecast_days,
"update_minutes": update_minutes,
})
return redirect(url_for("settings_weather", saved=1))
else:
config.update_screen_settings("weather", {
"city": "",
"latitude": float(lat_raw) if lat_raw else None,
"longitude": float(lon_raw) if lon_raw else None,
"forecast_days": forecast_days,
"update_minutes": update_minutes,
})
return redirect(url_for("settings_weather", saved=1))
return render_template("settings_weather.html", settings=config.get_screen_settings("weather"), error=error)
@app.route("/settings/departures", methods=["GET", "POST"])
def settings_departures():
error = None
if request.method == "POST":
station_query = request.form.get("station", "").strip()
results = int(request.form.get("results", 5) or 5)
if results not in (3, 5, 8):
results = 5
update_minutes = max(1, int(request.form.get("update_minutes", 2) or 2))
if station_query:
try:
found = screens["departures"].find_station(station_query)
except requests.exceptions.RequestException:
found = None
if found is None:
error = f'Could not find a station matching "{station_query}" -- try a different spelling, or the service might be temporarily down.'
else:
config.update_screen_settings("departures", {
"station": station_query,
"station_id": found["id"],
"station_label": found["name"],
"results": results,
"update_minutes": update_minutes,
})
return redirect(url_for("settings_departures", found=found["name"]))
else:
config.update_screen_settings("departures", {"results": results, "update_minutes": update_minutes})
return redirect(url_for("settings_departures", saved=1))
return render_template("settings_departures.html", settings=config.get_screen_settings("departures"), error=error)
@app.route("/settings/picture", methods=["GET", "POST"])
def settings_picture():
error = None
if request.method == "POST":
url = request.form.get("image_url", "").strip()
common_updates = {
"fit": request.form.get("fit", "cover"),
"boost_contrast": "boost_contrast" in request.form,
"grayscale": "grayscale" in request.form,
}
uploaded = request.files.get("image")
if uploaded and uploaded.filename:
filename = secure_filename(uploaded.filename)
ext = filename.rsplit(".", 1)[-1].lower() if "." in filename else ""
if ext not in ALLOWED_IMAGE_EXTENSIONS:
error = "Unsupported file type -- use PNG, JPG, GIF, BMP, or WebP."
else:
UPLOAD_DIR.mkdir(parents=True, exist_ok=True)
# Only one picture is ever active -- clear any previous
# upload first so a different extension doesn't leave an
# orphaned file behind.
for old in UPLOAD_DIR.glob("current.*"):
old.unlink()
dest = UPLOAD_DIR / f"current.{ext}"
uploaded.save(dest)
try:
Image.open(dest).verify()
except Exception:
dest.unlink(missing_ok=True)
error = "That file doesn't look like a valid image."
else:
config.update_screen_settings("picture", {
"mode": "upload",
"uploaded_filename": dest.name,
**common_updates,
})
return redirect(url_for("settings_picture", saved=1))
elif url:
config.update_screen_settings("picture", {"mode": "url", "image_url": url, **common_updates})
return redirect(url_for("settings_picture", saved=1))
else:
# Neither a new upload nor a URL change -- just update fit/boost/grayscale.
config.update_screen_settings("picture", common_updates)
return redirect(url_for("settings_picture", saved=1))
return render_template("settings_picture.html", settings=config.get_screen_settings("picture"), error=error)
@app.route("/settings/rotation", methods=["GET", "POST"])
def settings_rotation():
if request.method == "POST":
raw = request.form.get("screens", "")
selected = [s.strip() for s in raw.split(",") if s.strip() in screens]
interval_minutes = int(request.form.get("interval_minutes", 5) or 5)
enabled = "rotation_enabled" in request.form
config.set_rotation(selected, interval_minutes, enabled)
config.set_navidrome_priority("navidrome_priority" in request.form)
return redirect(url_for("settings_rotation", saved=1))
return render_template(
"settings_rotation.html",
screens=screens,
rotation=config.get_rotation(),
navidrome_priority=config.get_navidrome_priority(),
)
return app