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Python Build a Social Network with Flask Broadcasting Lunch Template

Daniel Bowen
Daniel Bowen
8,127 Points

Update templates/today.html to show today's order's date and the order attribute from the order variable.

I'm confused by how you reference the data elements, can anyone help?

lunch.py
import datetime

from flask import Flask, g, render_template, flash, redirect, url_for
from flask.ext.bcrypt import check_password_hash
from flask.ext.login import LoginManager, login_user, current_user, login_required, logout_user

import forms
import models

app = Flask(__name__)
app.secret_key = 'this is our super secret key. do not share it with anyone!'
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'


@login_manager.user_loader
def load_user(userid):
    try:
        return models.User.select().where(
            models.User.id == int(userid)
        ).get()
    except models.DoesNotExist:
        return None


@app.before_request
def before_request():
    g.db = models.DATABASE
    g.db.connect()
    g.user = current_user


@app.after_request
def after_request(response):
    g.db.close()
    return response


@app.route('/register', methods=('GET', 'POST'))
def register():
    form = forms.SignUpInForm()
    if form.validate_on_submit():
        models.User.new(
            email=form.email.data,
            password=form.password.data
        )
        flash("Thanks for registering!") 
    return render_template('register.html', form=form)


@app.route('/login', methods=('GET', 'POST'))
def login():
    form = forms.SignUpInForm()
    if form.validate_on_submit():
        try:
            user = models.User.get(
                models.User.email == form.email.data
            )
            if check_password_hash(user.password, form.password.data):
                login_user(user)
                flash("You're now logged in!")
            else:
                flash("No user with that email/password combo")
        except models.DoesNotExist:
              flash("No user with that email/password combo")
    return render_template('register.html', form=form)

@app.route('/secret')
@login_required
def secret():
    return "I should only be visible to logged-in users"

@app.route('/logout')
def logout():
    logout_user()
    return redirect(url_for('login'))


@app.route('/')
def index():
    return render_template('index.html')


@app.route('/order', methods=('GET', 'POST'))
def order_lunch():
    form = forms.LunchOrderForm()
    if form.validate_on_submit():
        models.LunchOrder.create(
            user=g.user._get_current_object(),
            date=form.date.data,
            order=form.order.data.strip()
        )
    return render_template('lunch.html', form=form)


@app.route('/today')
@login_required
def today():
    order = models.LunchOrder.select().where(
        models.LunchOrder.date == datetime.date.today() &
        models.LunchOrder.user == g.user._get_current_object()
    ).get()
    return render_template('today.html', order=order)


@app.route('/cancel_order/<int:order_id>')
@login_required
def cancel_order(order_id):
    try:
        order = models.LunchOrder.select().where(
            id=order_id,
            user=g.user._get_current_object()
        ).get()
    except models.DoesNotExist:
        pass
    else:
        order.delete_instance()
    return redirect(url_for('index'))
templates/today.html
{% extends "layout.html" %}

{% block content %}
<h1>Your lunch for today</h1>

<h2><i class="clock"></i><time data-time="{{today.lunchorder.date}}" datatime="{{
        today.lunchorder.date.strftime('%Y-%m-%d')}}"> {{today.lunchorder.date.strftime('%Y-%m-%d')}}</h2>
<p>{{today.order}}</p>
<!-- button to the route for cancel_order with order_id=order.id -->
{% endblock %}
Daniel Bowen
Daniel Bowen
8,127 Points

Even having re-looked through the Flask Basics videos, I'm still at a loss for how to properly address the data for the date.

2 Answers

James Dernie
James Dernie
9,092 Points

This worked for me.

{% extends "layout.html" %}

{% block content %}
<h1>Your lunch for today</h1>

<h2><!-- today's date -->{{ order.date.strftime('%Y-%m-%d') }}</h2>
<p>{{ order.order }}</p>
<!-- button to the route for cancel_order with order_id=order.id -->
{% endblock %}

The today() function in lunch.py selects today's order from the LunchOrder model and assigns it to 'order' which is then passed to 'today.html'. You then just have to reference the 'order' and 'date' elements within 'order'.

Daniel Bowen
Daniel Bowen
8,127 Points

And I finally figured it out. After messing around with the flask project and learning Flask's scope thoroughly, I got it.