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 get_post(id, check_author=True): post = get_db().execute( 'SELECT p.id, title, body, created, author_id, username' ' FROM post p JOIN user u ON p.author_id = u.id' ' WHERE p.id = ?', (id, )).fetchone() if post is None: abort(404, "Post id {0} doesn't exist.".format(id)) if check_author and post['author_id'] != g.user['id']: abort(403) return post
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 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 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 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 = 'User {} is already registered.'.format(username) 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 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)