def view_cart():
if not users_manager.is_teacher():
notifiers.permission_denied()
return redirect(url_for('tasks_list'))
db_response = json.loads(cart_manager.view_cart(request.cookies.get('problems_login')))
if db_response['code'] != 0:
notifiers.db_error()
return redirect(url_for('tasks_list'))
return render_template('cart.html', tasks_list=db_response['rows'])
def users_list():
if not users_manager.is_admin():
notifiers.permission_denied()
return redirect(url_for('main_page'))
db_response = json.loads(users_manager.users_list())
if db_response['code'] != 0:
notifiers.db_error()
return redirect(url_for('main_page'))
return render_template('users.html', users_list=db_response['rows'])
def change_role():
if not users_manager.is_admin():
notifiers.permission_denied()
return redirect(url_for('main_page'))
resp = json.loads(users_manager.change_role(request.form['login'], request.form['role']))
if resp['code'] != 0:
notifiers.db_error()
else:
notifiers.role_changed()
return json.dumps(resp)
def add_to_cart(task_id):
if not users_manager.is_teacher():
notifiers.permission_denied()
return redirect(url_for('tasks_list'))
if cart_manager.add_to_cart(task_id, request.cookies.get('problems_login')):
notifiers.added_to_cart()
return 'ok'
else:
notifiers.failed_to_add_to_cart()
return 'fail'
def remove_from_cart(task_id):
if not users_manager.is_teacher():
notifiers.permission_denied()
return redirect(url_for('tasks_list'))
if cart_manager.remove_from_cart(task_id, request.cookies.get('problems_login')):
notifiers.removed_from_cart()
return redirect(url_for('view_cart'))
else:
notifiers.failed_to_remove_from_cart()
return redirect(url_for('tasks_list'))
def edit_task_form(task_id):
if not users_manager.is_admin():
notifiers.permission_denied()
return redirect(url_for('tasks_list'))
db_response = json.loads(tasks_manager.get_task(task_id))
if len(db_response['rows']) == 0:
notifiers.db_error()
return redirect(url_for('tasks_list'))
task = db_response['rows'][0]
return render_template('edit_task.html', task=task)
def delete_task(task_id=None):
if users_manager.is_admin():
db_response = json.loads(tasks_manager.delete_task(task_id))
if db_response['code'] == 0:
notifiers.task_deleted()
else:
notifiers.db_error()
else:
notifiers.permission_denied()
return redirect(url_for('tasks_list'))
def edit_task():
if not users_manager.is_admin():
notifiers.permission_denied()
return redirect(url_for('login_form'))
db_response = json.loads(
tasks_manager.edit_task(request.form['task_id'], request.form['name'], request.form['topic'],
request.form['difficulty'],
request.form['statement'], request.form['solution'], request.form['answer']))
print(str(db_response))
if db_response['code'] != 0:
notifiers.db_error()
return redirect(url_for('tasks_list'))
def check_task():
if users_manager.is_student():
resp = json.loads(tasks_manager.check_task(request.form['task_id'], request.cookies.get('problems_login'),
request.form['answer']))
if resp['code'] == 0:
notifiers.task_accepted()
elif resp['code'] == 1:
notifiers.task_rejected()
else:
notifiers.db_error()
return json.dumps(resp)
else:
notifiers.permission_denied()
return redirect(url_for('tasks_list'))
def add_task():
if users_manager.is_admin():
return render_template('add_task.html')
else:
notifiers.permission_denied()
return redirect(url_for('tasks_list'))