class StaffUnitTypes:

    department = 'D'
    user = 'U'


class ProfessionUnitTypes:

    profession = 'P'
    professional_sphere = 'S'


class StatKeys:

    all = 'ALL'
    unknown = 'UNKNOWN'
    unknown_department = 'UNKNOWN_DEPARTMENT'


class TimeScales:
    seconds = 1
    days = 60 * 60 * 24
