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 aquarist WHERE username = ?',
(username, )).fetchone() is not None:
error = f'Aquarist {username} is already registered.'
if error is None:
db.execute(
'INSERT INTO aquarist (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):
tank = get_tank(id)
if request.method == 'POST':
name = request.form['name']
error = None
if not name:
error = 'Name is required.'
if error is not None:
flash(error)
else:
length = float(request.form['length'])
width = float(request.form['width'])
depth = float(request.form['depth'])
volume = Volumetrics.calculate_volume(length, width, depth)
db = get_db()
db.execute(
'UPDATE tank SET name = ?, length = ?, width = ?, depth = ?, volume = ?'
' WHERE id = ?', (name, length, width, depth, volume, id))
db.commit()
flash('Tank updated!')
return redirect(url_for('aquarium.index'))
return render_template('aquarium/index.html', tank=tank)
def create():
if request.method == 'POST':
name = request.form['name']
length = float(request.form['length'])
width = float(request.form['width'])
depth = float(request.form['depth'])
volume = Volumetrics.calculate_volume(length, width, depth)
error = None
if not (name and length and width and depth):
error = 'Please enter all fields.'
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'INSERT INTO tank (tank_owner, name, length, width, depth, volume)'
' VALUES (?, ?, ?, ?, ?, ?)',
(g.user['id'], name, length, width, depth, volume))
db.commit()
flash('New tank created!')
return redirect(url_for('aquarium.index'))
return render_template('aquarium/index.html')
def index():
db = get_db()
tanks = db.execute(
'SELECT t.id, name, length, width, depth, volume, tank_owner, username'
' FROM tank t JOIN aquarist a ON t.tank_owner = a.id'
' ORDER BY name DESC').fetchall()
return render_template('aquarium/index.html', tanks=tanks)
def load_logged_in_user():
aquarist_id = session.get('aquarist_id')
if aquarist_id is None:
g.user = None
else:
g.user = get_db().execute('SELECT * FROM aquarist WHERE id = ?',
(aquarist_id, )).fetchone()
def delete(id):
get_tank(id)
db = get_db()
db.execute('DELETE FROM tank WHERE id = ?', (id, ))
db.commit()
flash('Tank deleted!')
return redirect(url_for('aquarium.index'))
def get_tank(id, check_aquarist=True):
tank = get_db().execute(
'SELECT t.id, name, length, width, depth, volume, tank_owner'
' FROM tank t JOIN aquarist a ON t.tank_owner = a.id'
' WHERE t.id = ?', (id, )).fetchone()
if tank is None:
abort(404, "Tank id {0} doesn't exist.".format(id))
if check_aquarist and tank['tank_owner'] != g.user['id']:
abort(403)
return tank
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
aquarist = db.execute('SELECT * FROM aquarist WHERE username = ?',
(username, )).fetchone()
if aquarist is None:
error = 'Username is incorrect or doesnt exist.'
elif not check_password_hash(aquarist['password'], password):
error = 'Incorrect password.'
if error is None:
session.clear()
session['aquarist_id'] = aquarist['id']
return redirect(url_for('index'))
flash(error)
return render_template('aquarium/index.html')