def register():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
email = request.form['email']
db = get_db()
error = None
if not username:
error = "Username required"
elif not password:
error = "Password required"
elif not email:
email = "Email required"
elif db.execute("SELECT id FROM user WHERE username = ? OR email = ?",
(username, email)).fetchone() is not None:
error = "Username {} is already registered".format(username)
if error is None:
db.execute(
"INSERT INTO user (username, password, email) VALUES (?, ?, ?)",
(username, generate_password_hash(password), email))
db.commit()
return redirect(url_for('auth.login'))
flash(error)
return render_template('auth/register.html')
def index():
db = get_db()
posts = db.execute(
'SELECT q_id, author_id, created, title, body, username'
' FROM question JOIN user ON question.author_id = user.id'
' ORDER BY created DESC').fetchall()
return render_template('posts/index.html', posts=posts)
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 ask():
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
error = None
if not title:
error = "Title Required"
if not body:
error = "Explain Your question "
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'INSERT INTO question (title, body, author_id)'
'VALUES (?, ?, ?)', (title, body, g.user['id']))
db.commit()
return redirect(url_for('index'))
return render_template('posts/ask.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')