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'] error = None if not title: error = 'Title is required.' if error is not None: flash(error) else: db = get_db() db.execute( 'INSERT INTO post (title, body, author_id)' ' VALUES (?, ?, ?)', (title, body, g.user['id']) ) db.commit() return redirect(url_for('blog.index')) return render_template('blog/create.html')
def register(): if request.method == 'POST': username = request.form['username'] password = request.form['password'] db = get_db() error = None if not username: error = 'Username is required' elif not password: error = 'Password is required' elif db.execute('SELECT id FROM user WHERE username = ?', (username, )).fetchone() is not None: error = f'User {username} is already registered.' if error is None: db.execute('INSERT INTO user (username,password) VALUES (?,?)', (username, generate_password_hash(password))) db.commit() return redirect(url_for('auth.login')) flash(error) return render_template('auth/register.html')
def update(id): post = get_post(id) if request.method == 'POST': title = request.form['title'] body = request.form['body'] error = None if not title: error = 'Title is required.' if error is not None: flash(error) else: db = get_db() db.execute( 'UPDATE post SET title = ?, body = ?' ' WHERE id = ?', (title, body, id) ) db.commit() return redirect(url_for('blog.index')) return render_template('blog/update.html', post=post)
def delete(id): get_post(id) db = get_db() db.execute('DELETE FROM post WHERE id = ?', (id,)) db.commit() return redirect(url_for('blog.index'))
def index(): db = get_db() posts = db.execute('SELECT p.id, title, body, created, author_id, username' ' FROM post p JOIN user u ON p.author_id = u.id' ' ORDER BY created DESC').fetchall() return render_template('blog/index.html', posts=posts)