def add_all_photoes(names: [], conspect: ConspectDB):
    for name in names:
        photo = PhotoDB(filename=name, id_conspect=conspect.id)
        db.session.add(photo)
        db.session.commit()
def add_photo(filename: str):
    photo = PhotoDB(filename=filename)
    db.session.add(photo)
    db.session.commit()
    return photo