feat: Clock

backend/app.py

@@ -4,6 +4,7 @@ import uuid
 from datetime import datetime
 from functools import wraps
 from pathlib import Path
+from zoneinfo import ZoneInfo, ZoneInfoNotFoundError
 
 from flask import (
     Flask,
@@ -34,6 +35,9 @@ app.config["GOOGLE_MAPS_EMBED_URL"] = os.environ.get(
     "https://www.google.com/maps/embed?pb=!1m18!1m12!1m3!1d0",
 )
 app.config["WEDDING_DATE"] = os.environ.get("WEDDING_DATE", "")
+app.config["WEDDING_COUNTDOWN_ISO"] = os.environ.get("WEDDING_COUNTDOWN_ISO", "")
+app.config["WEDDING_COUNTDOWN_LOCAL"] = os.environ.get("WEDDING_COUNTDOWN_LOCAL", "2026-09-04 15:00")
+app.config["WEDDING_TIMEZONE"] = os.environ.get("WEDDING_TIMEZONE", "Europe/Berlin")
 app.config["HERO_IMAGE_FILENAME"] = os.environ.get("HERO_IMAGE_FILENAME")
 
 ALLOWED_EXTENSIONS = {"jpg", "jpeg", "png", "heic", "heif"}
@@ -280,6 +284,14 @@ TEXTS = {
         "flash_admin_only": "Dieser Bereich ist nur für Admins verfügbar.",
         "dashboard": "Dashboard",
         "back": "Zurück",
+        "countdown_button_label": "Countdown bis zur Hochzeit",
+        "countdown_until": "Noch",
+        "countdown_started": "Die Feier hat begonnen",
+        "countdown_days": "Tage",
+        "countdown_hours": "Std",
+        "countdown_minutes": "Min",
+        "countdown_seconds": "Sek",
+        "countdown_subline": "bis zur Hochzeit",
     },
     "en": {
         "brand": "Svenja & Dominic",
@@ -361,6 +373,14 @@ TEXTS = {
         "flash_admin_only": "This area is available to admins only.",
         "dashboard": "Dashboard",
         "back": "Back",
+        "countdown_button_label": "Wedding countdown",
+        "countdown_until": "Starts in",
+        "countdown_started": "The celebration has started",
+        "countdown_days": "Days",
+        "countdown_hours": "Hrs",
+        "countdown_minutes": "Min",
+        "countdown_seconds": "Sec",
+        "countdown_subline": "until the wedding",
     },
 }
 
@@ -390,6 +410,39 @@ def get_hero_image_asset() -> str:
     return "assets/hero.jpg"
 
 
+def get_wedding_countdown_iso() -> str:
+    configured_iso = str(app.config.get("WEDDING_COUNTDOWN_ISO", "") or "").strip()
+    if configured_iso:
+        try:
+            datetime.fromisoformat(configured_iso.replace("Z", "+00:00"))
+            return configured_iso
+        except ValueError:
+            pass
+
+    local_value = str(app.config.get("WEDDING_COUNTDOWN_LOCAL", "") or "").strip()
+    timezone_name = str(app.config.get("WEDDING_TIMEZONE", "Europe/Berlin") or "Europe/Berlin").strip()
+    if not local_value:
+        return "2026-09-04T15:00:00+02:00"
+
+    parsed_local = None
+    for fmt in ("%Y-%m-%d %H:%M", "%Y-%m-%dT%H:%M", "%Y-%m-%d %H:%M:%S", "%Y-%m-%dT%H:%M:%S"):
+        try:
+            parsed_local = datetime.strptime(local_value, fmt)
+            break
+        except ValueError:
+            continue
+
+    if parsed_local is None:
+        return "2026-09-04T15:00:00+02:00"
+
+    try:
+        tz = ZoneInfo(timezone_name)
+    except ZoneInfoNotFoundError:
+        tz = ZoneInfo("Europe/Berlin")
+
+    return parsed_local.replace(tzinfo=tz).isoformat()
+
+
 @app.context_processor
 def inject_common() -> dict:
     role = session.get("role", "guest")
@@ -408,6 +461,7 @@ def inject_common() -> dict:
         "location_website_url": app.config["LOCATION_WEBSITE_URL"],
         "google_maps_embed_url": app.config["GOOGLE_MAPS_EMBED_URL"],
         "wedding_date": app.config["WEDDING_DATE"],
+        "wedding_countdown_iso": get_wedding_countdown_iso(),
         "hero_image_url": url_for("static", filename=get_hero_image_asset()),
     }