def add_favorite_movie()

in Elastiflix/python-favorite/main.py [0:0]

• 28 lines of code
• 11 McCabe index (conditional complexity)

def add_favorite_movie():
    # add artificial delay if enabled
    if delay_time > 0:
        time.sleep(max(0, random.gauss(delay_time / 1000, delay_time / 1000 / 10)))
    user_id = str(request.args.get("user_id"))
    movie_id = request.json["id"]

    logger.info(
        "Adding or removing favorites for user " + user_id, extra={"event.dataset": "favorite.log", "user.id": user_id}
    )

    # add movie to the user's favorite list. If it already exists, remove it from the list
    redisRespone = r.srem(user_id, int(movie_id))
    if redisRespone == 0:
        r.sadd(user_id, movie_id)
    favorites = r.smembers(user_id)

    # convert to list
    favorites = list(favorites)

    logger.info(
        "User " + user_id + " has favorites: " + str(favorites),
        extra={"event.dataset": "favorite.log", "user.id": user_id},
    )

    # if enabled, in 50% of the cases, sleep for 2 seconds
    sleep_time = os.getenv("TOGGLE_CANARY_DELAY")
    if sleep_time is None or sleep_time == "":
        sleep_time = 0
    sleep_time = int(sleep_time)

    if sleep_time > 0 and random.random() < 0.5:
        time.sleep(max(0, random.gauss(delay_time / 1000, delay_time / 1000 / 10)))
        # add label to transaction
        logger.info("Canary enabled")
        if random.random() < float(os.getenv("TOGGLE_CANARY_FAILURE", 0)):
            # throw an exception in 50% of the cases
            logger.error("Something went wrong")
            raise Exception("Something went wrong")

    return {"favorites": favorites}