{# Flashed messages #}
{% with messages = get_flashed_messages() %}
{% if messages %}
{% for message in messages %}
{{ message }}
{% endfor %}
{% endif %}
{% endwith %}
{# End Flashed messages #}
{% block body %}{% endblock %}
```
[ES] Ahora ya será visible todos los mensajes en cajas elegantes de *Bootstrap*. Ahora importamos **flash**.
```python3
from flask import Flask, render_template, request, redirect, url_for, flash
```
[ES] Y añadimos los mensajes que deseamos ver. Por ejemplo.
```python3
try:
db.session.commit()
flash('Añadida con éxito.')
except:
db.session.rollback()
```
[ES] Nuestro **app.py** se nos quedaría así.
```python3
from flask import Flask, render_template, request, redirect, url_for, flash
from forms import SearchForm
# Get data Wallapop
import json
from urllib3 import PoolManager
import urllib.parse
# Database
from models import db, Programado
# Flask
app = Flask(__name__)
app.config['DEBUG'] = True
app.config['SECRET_KEY'] = 'mi secreto'
@app.route('/', methods=('GET', 'POST'))
def buscador():
form = SearchForm()
results = None
if form.validate_on_submit():
name = form.name.data
price_max = form.price_max.data or ''
# Search in Wallapop
results = get_resultados(name, price_max)
return render_template('items/buscador.html', form=form, results=results)
@app.route('/programadas')
def programadas():
programado_all = Programado.query.all()
return render_template('items/programadas.html', programado_all=programado_all)
def get_resultados(name='', price_max=''):
http = PoolManager()
url_api = 'http://es.wallapop.com/rest/items?minPrice=&maxPrice={price_max}&dist=&order=creationDate-des&lat=41.398077&lng=2.170432&kws={kws}'.format(
kws=urllib.parse.quote(name, safe=''),
price_max=price_max
)
results = http.request('GET', url_api)
results = json.loads(
results.data.decode('utf-8')
)
return results['items']
@app.route('/programadas/nuevo', methods=('POST',))
def programadas_nuevo():
itemId = int(request.form['itemId'])
title = request.form['title']
pictureURL = request.form['pictureURL']
price = request.form['price']
# We saved in the database
my_program = Programado(
item_id=itemId,
title=title,
picture_URL=pictureURL,
price=price
)
db.session.add(my_program)
try:
db.session.commit()
flash('Añadida con éxito.')
except:
db.session.rollback()
return redirect(url_for('programadas'))
@app.route('/programadas/borrar', methods=('POST',))
def programadas_borrar():
my_program = Programado.query.get(request.form['id'])
db.session.delete(my_program)
try:
db.session.commit()
flash('Borrada "{title}".'.format(title=my_program.title))
except:
db.session.rollback()
return redirect(url_for('programadas'))
if __name__ == '__main__':
app.run()
```
---
### Break (Descanso) - 10 min
 We take air for the last part. Otherwise, we make as we go to the bathroom and do not come back.
 Cogemos aire para la última parte. En caso contrario, hacemos como que vamos al baño y nos piramos.
---
### Part 3 - Sending emails with new items (Envío de emails con nuevos elementos)