def update(id):
article = get_article(id)
if request.method == 'POST':
title = request.form['title']
description = request.form['description']
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 article SET title = ?, description = ?, body = ?'
' WHERE id = ?',
(title, description, body, id)
)
db.commit()
return redirect(url_for('blog.index'))
return render_template('blog/update.html', post=article)
def register():
if request.method == 'POST':
email = request.form['email']
password = request.form['password']
name = request.form['name']
last_name = request.form['last_name']
institution = request.form['institution']
db = get_db()
error = None
if not email:
error = 'E-mail address is required'
elif not password:
error = 'Password is required'
elif not email or not name or not last_name:
error = 'Fill required fields'
elif not institution:
institution = ''
elif db.execute(
'SELECT id FROM user WHERE email = ?', (email,)
).fetchone() is not None:
error = 'E-mail address {} is already registered'.format(email)
if error is None:
db.execute(
'INSERT INTO user (email, password, name, last_name, institution) '
'VALUES (?,?,?,?,?)',
(email, generate_password_hash(password), name, last_name, institution)
)
db.commit()
return redirect(url_for('auth.login'))
flash(error)
return render_template('auth/register.html')
def index():
db = get_db()
articles = db.execute(
'SELECT article.id, title, description, body, article.created, author_id, name, last_name'
' FROM article JOIN user u ON article.author_id = u.id'
' ORDER BY created DESC'
).fetchall()
return render_template('blog/index.html', posts=articles)
def get_users_articles(author_id):
articles = get_db().execute(
'SELECT p.id, title, description, body, created, author_id'
' FROM article p JOIN user u ON p.author_id = u.id'
' WHERE p.author_id = ?',
(author_id,)
).fetchall()
return articles
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_user(id):
user = get_db().execute(
'SELECT id, email, name, last_name, institution'
' FROM user'
' WHERE id = ?',
(id,)
).fetchone()
if user is None:
abort(404, "User id {0} doesn't exist.".format(id))
return user
def get_article(id, check_author=True):
article = get_db().execute(
'SELECT p.id, title, description, body, created, author_id, name, last_name'
' FROM article p JOIN user u ON p.author_id = u.id'
' WHERE p.id = ?',
(id,)
).fetchone()
if article is None:
abort(404, "Article id {0} doesn't exist.".format(id))
if check_author and article['author_id'] != g.user['id']:
abort(403)
return article
def create():
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
description = request.form['description']
error = None
if not title:
error = 'Title is required.'
if error is not None:
flash(error)
else:
db = get_db()
db.execute(
'INSERT INTO article (title, description, body, author_id)'
' VALUES (?, ?, ?, ?)',
(title, description, body, g.user['id'])
)
db.commit()
return redirect(url_for('blog.index'))
return render_template('blog/create.html')
def login():
if request.method == 'POST':
email = request.form['email']
password = request.form['password']
db = get_db()
error = None
user = db.execute(
'SELECT * FROM user WHERE email = ?', (email,)
).fetchone()
if user is None:
error = 'Incorrect e-mail address.'
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 delete(id):
get_article(id)
db = get_db()
db.execute('DELETE FROM article WHERE id = ?', (id,))
db.commit()
return redirect(url_for('blog.index'))