def user(username):
if re.match("^[a-zA-Z0-9_]+$", username) == None:
return render_template('500.html'), 500
user = load_user_by_username(username)
if user == -1:
flash('Something error!')
return render_template('500.html'), 500
if user == 0:
flash('User is not exists')
return redirect(url_for('index'))
page = request.args.get('page', 1, type=int)
page = page if page > 0 else 1
all_posts = current_user.followed_posts()
post_per_page = app.config['POSTS_PER_PAGE']
posts = all_posts[(page - 1) * post_per_page:page *
post_per_page if len(all_posts) >= page *
post_per_page else len(all_posts)]
next_url = url_for('user', username=user.username, page=page + 1) \
if len(all_posts) > page * post_per_page else None
prev_url = url_for('user', username=user.username, page=page - 1) \
if (page > 1 and len(all_posts) > (page - 1) * post_per_page) else None
usernames = []
for i in posts:
usernames.append(load_user(i[2]))
return render_template('user.html',
user=user,
posts=posts,
usernames=usernames,
next_url=next_url,
prev_url=prev_url,
izip=izip,
avatars=avatar,
dt=datetime.strptime)
def login():
if current_user.is_authenticated:
return redirect(url_for('index'))
form = LoginForm()
if form.validate_on_submit():
user = load_user_by_username(form.username.data)
if user == -1:
flash('Something error!')
return render_template('500.html'), 500
if user == 0:
flash('Invalid username or password')
return redirect(url_for('login'))
login_user(user, remember=form.remember_me.data)
next_page = request.args.get('next')
if not next_page or url_parse(next_page).netloc != '':
next_page = url_for('index')
return redirect(next_page)
return render_template('login.html', title='Sign In', form=form)
def unfollow(username):
if re.match("^[a-zA-Z0-9_]+$", username) == None:
return render_template('500.html'), 500
user = load_user_by_username(username)
if user == -1:
flash('Something error!')
return render_template('500.html'), 500
if user == 0:
flash('User is not exists')
return redirect(url_for('index'))
if user == current_user:
flash('You cannot unfollow yourself!')
return redirect(url_for('user', username=username))
if current_user.unfollow(user):
flash('You are not following {}.'.format(username))
else:
flash('Failed!')
return redirect(url_for('user', username=username))