def _create_solution(solution_code, user_id, code_lang, problem_id):
"""
Creates instance of Solution model for storing solution code
Args:
solution_code (str) : complete source code submitted by user
user_id (str) : registration number of user of submitted the code
code_lang (str) : extension of code language file
problem_id (int) : id of problem for which solution is submitted
Note: Solution Model also contains more attributes which will be initialized
with some default values.
"""
solution = Solution(solution_code=solution_code,
lang_ext=code_lang,
time_of_exec=0,
timestamp=datetime.datetime.now(),
result_code='SE',
user_id=user_id,
problem_id=problem_id)
db_session = get_db_session()
problem = db_session.query(Problem).filter_by(id=problem_id).one()
problem.attempts += 1
execution_time = _generate_output_file(solution, problem)
result = solution.result_code
if result == ResultCodes.CORRECT_ANSWER:
problem.successful_submission += 1
insert_to_db(db_session, solution, dont_close_session=True)
insert_to_db(db_session, problem)
return result, execution_time
def _get_solution_details(solution_id):
"""
Retrieves solution base on their Id
Args:
solution_id(int) : id of the solution to receive
Returns:
solution(Solution): solution row obtained from the database
"""
db_session = get_db_session(create_new_instance=True)
solution = db_session.query(Solution).filter_by(id=solution_id).one()
db_session.close()
return solution