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 update(id):
pet = get_pet(id)
if request.method == 'POST':
name = request.form['name']
type = request.form['type']
breed = request.form['breed']
description = request.form['description']
hobbies = request.form['hobbies']
error = None
if not name:
error = 'Name is required.'
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'UPDATE post SET name = ?, type = ?, breed = ?, description = ?, hobbies = ?'
' WHERE id = ?', (name, type, breed, description, hobbies, id))
db.commit()
return redirect(url_for('pet.index'))
return render_template('pet/update.html', pet=pet)
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_pet(id, check_author=True):
pet = get_db().execute(
'SELECT p.id, name, type, breed, description, hobbies'
' FROM pet p '
' WHERE p.id = ?', (id, )).fetchone()
if pet is None:
abort(404, "Post id {0} doesn't exist.".format(id))
return pet
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':
name = request.form['name']
type = request.form['type']
breed = request.form['breed']
description = request.form['description']
hobbies = request.form['hobbies']
error = None
if not name:
error = 'Name is required.'
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'INSERT INTO pet (name, type, breed, description, hobbies)'
' VALUES (?, ?, ?, ?, ?)',
(name, type, breed, description, hobbies))
db.commit()
return redirect(url_for('pet.index'))
return render_template('pet/create.html')
def delete(id):
get_pet(id)
db = get_db()
db.execute('DELETE FROM pet WHERE id = ?', (id, ))
db.commit()
return redirect(url_for('pet.index'))
def index():
db = get_db()
pets = db.execute('SELECT p.id, name, type, breed, description, hobbies'
' FROM pet p'
' ORDER BY name').fetchall()
return render_template('pet/index.html', pets=pets)