def generate_student_sheet(login):
latex_template = "\documentclass{article} \n" \
"\\usepackage[T2A]{fontenc} \n" \
"\\usepackage[utf8]{inputenc} \n" \
"\\usepackage[russian]{babel} \n" \
"\\begin{document} \n" \
"\section*{Задачи} \n"
query = "SELECT problems.tasks.statement FROM problems.cart " \
"INNER JOIN problems.tasks ON problems.tasks.task_id = problems.cart.task_id " \
"WHERE login=%s"
params = [
login,
]
db_response = json.loads(db.select_query(query, params))
if db_response['code'] == 0:
tasks_list = [i[0] for i in db_response['rows']]
tasks_list = '\subsection{}' + '\n \n \subsection{}'.join(tasks_list)
latex_template += tasks_list
latex_template += "\n \end{document}"
filename = ''.join(
random.choice(string.ascii_lowercase + string.digits)
for _ in range(FILENAME_LENGTH))
fout = open('static/latex/' + filename + '.tex', 'w')
print(latex_template, file=fout)
fout.close()
os.system('pdflatex -output-directory static/latex ' + filename +
'.tex')
return filename
else:
return None
def postTodos():
data = request.data
data_dict = json.loads(data)
new_todo = data_dict["name"]
insert_query(new_todo)
results = select_query()
return make_response(results), 201
def get_user_todos(request: Request):
user = security.get_user(request)
if not user:
raise HTTPException(status_code=403,
detail="Unable to find your username.")
tasks = db.select_query(
f"select * from tasks where username = '******'username']}'")
return tasks
def view_cart(login):
query = "SELECT problems.tasks.task_id, problems.tasks.name FROM problems.cart " \
"INNER JOIN problems.tasks ON problems.cart.task_id = problems.tasks.task_id " \
"WHERE problems.cart.login = %s"
params = [
login,
]
return db.select_query(query, params)
def in_cart(task_id, login):
query = "SELECT * FROM problems.cart WHERE login=%s AND task_id=%s"
params = [login, task_id]
db_response = json.loads(db.select_query(query, params))
if db_response['code'] == 0 and len(db_response['rows']) == 0:
return False
else:
return True
def get_tasks_list(topic=None):
params = []
if topic is None:
query = "SELECT task_id, name, topic, difficulty FROM problems.tasks"
else:
query = "SELECT task_id, name, topic, difficulty FROM problems.tasks " \
"WHERE topic = %s"
params.append(topic)
return db.select_query(query, params)
def user_exists(login):
query = "SELECT * FROM problems.users WHERE login = %s"
params = [
login,
]
res = json.loads(db.select_query(query, params))
if len(res["rows"]) > 0:
return True
else:
return False
def check_credentials(login, password):
query = "SELECT password, role FROM problems.users WHERE login=%s"
params = [
login,
]
res = json.loads(db.select_query(query, params))
if len(res["rows"]) == 0:
resp = {"code": 1, "message": "Неверный логин", "role": -1}
else:
if password == res["rows"][0][0]:
resp = {
"code": 0,
"message": "Успешная авторизация",
"role": res["rows"][0][1]
}
else:
resp = {"code": 2, "message": "Неверный пароль", "role": -1}
return json.dumps(resp)
def check_task(task_id, login, answer):
query = "SELECT answer FROM problems.tasks WHERE task_id=%s"
params = [task_id,]
db_response = json.loads(db.select_query(query, params))
if db_response['code'] != 0:
return json.dumps({'code': 2})
reference = db_response['rows'][0][0]
if answer == reference:
if user_has_task(task_id, login):
return json.dumps({'code': 3})
else:
query = "INSERT INTO problems.users_tasks(login, task_id) VALUES (%s, %s)"
params = [login, task_id]
db_response = json.loads(db.update_query(query, params))
if db_response['code'] == 0:
return json.dumps({'code': 0})
else:
return json.dumps({'code': 2})
else:
return json.dumps({'code': 1})
def user_has_task(task_id, login):
query = "SELECT task_id, login FROM problems.users_tasks WHERE task_id=%s and login = %s"
params = [task_id, login]
db_response = json.loads(db.select_query(query, params))
return len(db_response['rows']) > 0
def get_task(task_id):
query = "SELECT task_id, name, topic, difficulty, statement, solution, answer FROM problems.tasks WHERE task_id=%s"
params = [task_id,]
return db.select_query(query, params)
def get_overall_rating():
query = "SELECT problems.users.login, COUNT(task_id) FROM problems.users " \
"INNER JOIN problems.users_tasks ON problems.users.login = problems.users_tasks.login " \
"GROUP BY problems.users.login"
db_response = json.loads(db.select_query(query, ()))
return json.dumps(db_response)
def deleteTodos(todo_id):
delete_query(todo_id)
results = select_query()
return make_response(results), 201
def getTodos():
results = select_query()
return make_response(results), 200
def updateTodos(todo_id):
(_id, name, completed) = select_one_query(todo_id)
update_query(todo_id, not completed)
results = select_query()
return make_response(results), 201
def get_topics_list():
query = "SELECT topic_id, name FROM problems.topics"
return db.select_query(query, ())
def users_list():
query = "SELECT login, name, surname, role FROM problems.users"
db_response = json.loads(db.select_query(query, ()))
return json.dumps(db_response)
