from vacancies.main.models import Vacancy
from django.db.models import Q


def get_next_vacancy(customer_cv):
    vacancy = Vacancy.objects.filter(
        ~Q(id__in=customer_cv.customer.recommended_vacancies.values_list("vacancy_id", flat=True)),
        Q(min_salary_rub__isnull=True) | Q(min_salary_rub__gt=customer_cv.min_salary_rub),
        job_title__title__in=customer_cv.job_titles.values_list("title", flat=True),
    ).first()
    if vacancy:
        customer_cv.customer.recommended_vacancies.create(vacancy=vacancy)

    return vacancy