def update(id):
card = get_card(id)
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
tag = request.form['tag']
error = None
if not title:
error = 'Title is required.'
if not body:
error = 'Body is empty'
if not tag:
error = "Please add a tag to this card"
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'UPDATE card SET title = ?, body = ?, tag = ?'
' WHERE id = ?', (title, body, tag, id))
db.commit()
return redirect(url_for('cards.index'))
return render_template('cards/update.html', card=card)
def get_card(id):
card = get_db().execute('SELECT id, title, body, tag FROM card').fetchone()
if card is None:
abort(404, "Post id {0} doesn't exist.".format(id))
return card
def load_logged_in_user():
user_id = session.get('user_id')
if user_id is None:
g.user = None
else:
g.user = get_db().execute('SELECT * FROM user WHERE id = ?',
(user_id, )).fetchone()
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
user = db.execute('SELECT * FROM user WHERE username = ?',
(username, )).fetchone()
if user is None:
error = 'Incorrect username.'
elif not check_password_hash(user['password'], password):
error = 'Incorrect password.'
if error is None:
session.clear()
session['user_id'] = user['id']
return redirect(url_for('index'))
flash(error)
return render_template('auth/login.html')
def create():
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
tag = request.form['tag']
error = None
if not title:
error = 'Title is empty'
if not body:
error = 'Body is empty'
if not tag:
error = 'Please tag this card'
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'INSERT INTO card (title, body, tag)'
' VALUES (?, ?, ?)', (title, body, tag))
db.commit()
return redirect(url_for('cards.index'))
return render_template('cards/create.html')
def delete(id):
get_card(id)
db = get_db()
db.execute('DELETE FROM card WHERE id = ?', (id, ))
db.commit()
return redirect(url_for('cards.index'))
def index():
db = get_db()
cards = db.execute('SELECT id, title, body, tag FROM card').fetchall()
return render_template('cards/index.html', cards=cards)