initial commit

.gitignore

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+.venv
+__pycache__
+*.pyc
+config.yaml
+printed.csv

config.yaml.example

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+mails:
+    sender: sender@email.address
+    server: server.example.org
+    user: sender-user
+    password: sender-pass
+    port: 587
+    starttls: true
+
+meals:
+    tag-1mittag:
+        subevent: 1
+        date: 2025-12-25
+        name: "Tag -1 Mittagessen"
+        name_en: "Day -1 Lunch"
+    tag-1abend: 
+        subevent: 2
+        date: 2025-12-25
+        name: "Tag -1 Abendessen"
+        name_en: "Day -1 Dinner"
+    tag0mittag: 
+        subevent: 3
+        date: 2025-12-26
+        name: "Tag 0 Mittagessen"
+        name_en: "Day 0 Lunch"
+    tag0abend: 
+        subevent: 4
+        date: 2025-12-26
+        name: "Tag 0 Abendessen"
+        name_en: "Day 0 Dinner"
+    tag1mittag: 
+        subevent: 5
+        date: 2025-12-27
+        name: "Tag 1 Mittagessen"
+        name_en: "Day 1 Lunch"
+    tag1abend: 
+        subevent: 6
+        date: 2025-12-27
+        name: "Tag 1 Abendessen"
+        name_en: "Day 1 Dinner"
+    tag2mittag: 
+        subevent: 7
+        date: 2025-12-28
+        name: "Tag 2 Mittagessen"
+        name_en: "Day 2 Lunch"
+    tag2abend: 
+        subevent: 8
+        date: 2025-12-28
+        name: "Tag 2 Abendessen"
+        name_en: "Day 2 Dinner"
+    tag3mittag: 
+        subevent: 9
+        date: 2025-12-29
+        name: "Tag 3 Mittagessen"
+        name_en: "Day 3 Lunch"
+    tag3abend: 
+        subevent: 10
+        date: 2025-12-29
+        name: "Tag 3 Abendessen"
+        name_en: "Day 3 Dinner"
+    tag4mittag: 
+        subevent: 11
+        date: 2025-12-30
+        name: "Tag 4 Mittagessen"
+        name_en: "Day 4 Lunch"
+    tag4abend: 
+        subevent: 12
+        date: 2025-12-30
+        name: "Tag 4 Abendessen"
+        name_en: "Day 4 Dinner"
+
+types:
+    crew: id_for_crew
+    regular: id_for_regular
+
+pretix:
+    host: https://tickets.events.ccc.de
+    organizer: organizer
+    event: eventslug
+    token: randomtokenforpretixapiaccess1234567890 
+auth:
+    token: randomtokenforauthaccess1234567890

main.py

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+import time
+import smtplib
+import yaml
+import requests
+import csv
+import qrcode
+import io
+from email.message import EmailMessage
+from flask import Flask, request, jsonify, abort
+from jinja2 import Template
+from functools import wraps
+from datetime import datetime
+
+app = Flask(__name__)
+
+with open("config.yaml", "r") as f:
+    config = yaml.safe_load(f)
+
+MAIL_CONFIG = config["mails"]
+MEALS = config["meals"]
+TYPES = config["types"]
+PRETIX = config["pretix"]
+AUTH_TOKEN = config.get("auth", {}).get("token")
+
+
+with open("template.txt", "r") as f:
+    MAIL_TEMPLATE = Template(f.read())
+
+
+def require_auth(f):
+    @wraps(f)
+    def decorated(*args, **kwargs):
+        token = request.headers.get("Authorization")
+        if not token or token != f"Bearer {AUTH_TOKEN}":
+            abort(401, description="Unauthorized: Invalid or missing token")
+        return f(*args, **kwargs)
+    return decorated
+
+def send_email(to_email, subject, body, attachment_bytes, filename):
+    print(f"[DEBUG] Sending email to {to_email} with attachment {filename}")
+    msg = EmailMessage()
+    msg["From"] = MAIL_CONFIG["sender"]
+    msg["To"] = to_email
+    msg["Subject"] = subject
+    msg.set_content(body)
+    msg.add_attachment(attachment_bytes, maintype="application", subtype="pdf", filename=filename)
+
+    server = smtplib.SMTP(MAIL_CONFIG["server"], MAIL_CONFIG["port"])
+    if MAIL_CONFIG.get("starttls"):
+        server.starttls()
+    server.login(MAIL_CONFIG["user"], MAIL_CONFIG["password"])
+    server.send_message(msg)
+    server.quit()
+    print("[DEBUG] Email sent successfully")
+
+def get_meal_times(meal_key):
+    if meal_key.endswith("mittag"):
+        return "11:30 - 13:30"
+    elif meal_key.endswith("abend"):
+        return "17:30 - 19:30"
+    return ""
+
+def log_printed(email, meal_key):
+    location = email.split("@")[0]
+    now = datetime.now()
+    date_str = now.strftime("%Y-%m-%d")
+    time_str = now.strftime("%H:%M:%S")
+    with open("printed.csv", "a", newline="") as csvfile:
+        writer = csv.writer(csvfile, delimiter=";")
+        writer.writerow([date_str, time_str, meal_key, location])
+    print(f"[DEBUG] Logged printed PDF: {location} - {meal_key}")
+
+def generate_qr(secret):
+    qr = qrcode.QRCode(box_size=10, border=4)
+    qr.add_data(secret)
+    qr.make(fit=True)
+    img = qr.make_image(fill_color="black", back_color="white")
+    buf = io.BytesIO()
+    img.save(buf, format="PNG")
+    buf.seek(0)
+    return buf.getvalue()
+
+@app.route("/order", methods=["POST"])
+@require_auth
+def order():
+    data = request.get_json()
+    print(f"[DEBUG] Incoming request JSON: {data}")
+
+    email = data.get("email")
+    typ = data.get("type")
+    meal_key = data.get("meal")
+
+    if not email or not typ or not meal_key:
+        return jsonify({"error": "Missing field"}), 400
+
+    meal_info = MEALS.get(meal_key)
+    if not meal_info:
+        return jsonify({"error": "Meal not found in config"}), 400
+
+    position = {
+        "positionid": 1,
+        "item": TYPES.get(typ),
+        "variation": None,
+        "price": "0",
+        "attendee_email": None,
+        "addon_to": None,
+        "subevent": meal_info["subevent"]
+    }
+
+    pretix_body = {
+        "email": "pretixfood@td00.de",
+        "locale": "en",
+        "sales_channel": "web",
+        "payment_provider": "manual",
+        "positions": [position]
+    }
+
+    url = f"{PRETIX['host']}/api/v1/organizers/{PRETIX['organizer']}/events/{PRETIX['event']}/orders/"
+    headers = {"Authorization": f"Token {PRETIX['token']}"}
+
+    print(f"[DEBUG] Sending POST to Pretix: {url} with body {pretix_body}")
+    resp = requests.post(url, json=pretix_body, headers=headers)
+    print(f"[DEBUG] Pretix response status: {resp.status_code}")
+    print(f"[DEBUG] Pretix response text: {resp.text}")
+
+    try:
+        resp_json = resp.json()
+        print(f"[DEBUG] Pretix response JSON: {resp_json}")
+    except ValueError:
+        print("[DEBUG] Pretix returned no JSON")
+        return jsonify({"error": "Pretix returned no JSON", "status_code": resp.status_code, "text": resp.text}), 502
+
+
+    if "positions" in resp_json and "item" in resp_json["positions"][0] and isinstance(resp_json["positions"][0]["item"], list):
+        if isinstance(resp_json["positions"][0]["item"][0], str):
+            print("[DEBUG] Not enough quota available")
+            return "Essen ist bereits alle", 418
+
+
+    try:
+        secret = resp_json["positions"][0]["secret"]
+        print(f"[DEBUG] Secret: {secret}")
+    except (KeyError, IndexError):
+        return jsonify({"error": "Secret not found in Pretix response", "resp_json": resp_json}), 500
+
+    qr_bytes = generate_qr(secret)
+    meal_times = get_meal_times(meal_key)
+
+
+    mail_body = MAIL_TEMPLATE.render(
+        meal_name=meal_info["name"],
+        meal_name_en=meal_info["name_en"],
+        meal_date=meal_info["date"],
+        meal_times=meal_times
+    )
+
+
+    if email.endswith("@printme.local"):
+        log_printed(email, meal_key)
+        response = app.response_class(
+            response=qr_bytes,
+            status=200,
+            mimetype='image/png'
+        )
+        response.headers["Content-Disposition"] = f"inline; filename=ticket.png"
+        return response
+
+
+    send_email(email, "Dein Engelessen / Your Angel Meal", mail_body, qr_bytes, "ticket.png")
+
+    return "Token gesendet", 201
+
+if __name__ == "__main__":
+    app.run(host="0.0.0.0", port=8000, debug=True)

template.txt

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+Hallo,
+
+Hier sind deine Informationen zum Essen:
+
+Mahlzeit: {{meal_name}}
+Datum: {{meal_date}}
+Essenszeiten: {{meal_times}}
+
+Bitte zeige den QR-Code vor, um dein Essen abzuholen.
+
+
+---
+Hello,
+
+Here is your meal information:
+
+Meal: {{meal_name_en}}
+Date: {{meal_date}}
+Meal times: {{meal_times}}
+
+Please show the QR code to pick up your meal.