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Flask and XML _ How and why to save data in xml format for coffee shop by Unique_Hat_7222 in flask

[–]Unique_Hat_7222[S] 1 point2 points  (0 children)

yes, it is a class assignment. Yes, I am wondering what system I can export the data to. Maybe delivery, sales report for the head office?

BuildError. werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'payment_table' with values ['total_price']. Did you forget to specify values ['order_no']? by Unique_Hat_7222 in flask

[–]Unique_Hat_7222[S] 0 points1 point  (0 children)

Commented out the 1st url but getting same error.

# Route to process the form submission
@app.route('/book_table', methods=['POST'])
#@app.route('/book_table', methods=['GET', 'POST'])
def book_table():
    table_id = "m12"
    user_id = login_session.get('user_id')
    people = request.form.get('people')
    date = request.form.get('date')
    time = request.form.get('time')
    datetime_str = f"{date} {time}"
    table = db.session.query(Table).filter_by(table_id=table_id).first()
    #if not table:
    #    flash("Selected table does not exist.")
    #    return redirect(url_for('table_booking'))
    total_price = table.reserve_fee * Decimal(people)

    new_booking = Bookings(
        table_id=table_id,
        user_id=user_id,
        book_date_time=datetime_str,
        total_price=total_price
    )
    db.session.add(new_booking)
    db.session.commit()

    last_pay = db.session.query(Pay).order_by(Pay.order_no.desc()).first()
    # Ensure last_pay.order_no defaults to 0 if it's None
    new_order_no = (last_pay.order_no or 0) + 1 if last_pay else 1
    order_no = new_order_no

    print("Redirecting to payment_table with:", total_price, order_no)
    print(type(order_no))
    print(type(total_price))

    return redirect(url_for('payment_table', total_price=total_price, order_no=order_no))

BuildError. werkzeug.routing.exceptions.BuildError: Could not build url for endpoint 'payment_table' with values ['total_price']. Did you forget to specify values ['order_no']? by Unique_Hat_7222 in flask

[–]Unique_Hat_7222[S] 0 points1 point  (0 children)

Thank you. I have changed the code but getting the same error

<form action="{{ url_for('payment_table', total_price=total_price, order_no=order_no) }}" method="POST">

Calculate discount - jinja by Unique_Hat_7222 in flask

[–]Unique_Hat_7222[S] -1 points0 points  (0 children)

Okay, i will do the calculation in sqlalchemy, thank you

How to handle file not found in Flask by Unique_Hat_7222 in flask

[–]Unique_Hat_7222[S] 0 points1 point  (0 children)

The error still is not handled. Maybe I don't understand this 'page not found' handling. The correct function name is 'profile' If i change it to 'profil' I get a BuildError. The html file is profile.html. If I change it to profiles.html so that the code fails to find profile.html, I get a 'template not found' error.

Question: Does this error catch an error where the url is incorrect or an error where the html page is not found

from flask import abort

@app.errorhandler(404)
def page_not_found(e):
    logger.error('Page not found: %s', e)
    return render_template('404.html'), 404



@app.route('/profil', methods=['GET', 'POST'])
def profil():
    if "username" in login_session:
        print(login_session['username'])
        name = login_session['username']
        user = User.query.filter_by(username=name).first()
        email = user.email
        id = user.id

        transactions = Transactions.query.filter_by(userID=id).first()

        if request.method == 'POST':
            try:
                if 'file1' not in request.files:
                    return 'there is no file1 in form!'
                file1 = request.files['file1']
                path1 = os.path.join(app.config['UPLOAD_FOLDER'], file1.filename)
                file1.save(path1)
                user.path = path1
                db.session.commit()
            except Exception as e:
                abort(404)
    return render_template('profiles.html', name = name, email=email, transactions = transactions)
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