import datetime

from apiflask import APIBlueprint

from ...dependencies import db
from ..models import ExaminationSchedule

bp = APIBlueprint("list_of_examination_schedule", __name__, url_prefix="/")


@bp.get('/students-view/')
def list_examination_schedule_for_students() -> dict:
    # in the future filter after the mode of examination schedule if we will have authorization module
    now = datetime.datetime.utcnow()
    examination_schedules = db.session.query(ExaminationSchedule).\
        filter(ExaminationSchedule.start_date_for_enrollment_students < now).\
        filter(ExaminationSchedule.end_date_for_enrollment_students > now).all()
    return {'examination_schedules': examination_schedules}