#
#  Copyright (c) 2013 Helmut Merz helmutm@cy55.de
#
#  This program is free software; you can redistribute it and/or modify
#  it under the terms of the GNU General Public License as published by
#  the Free Software Foundation; either version 2 of the License, or
#  (at your option) any later version.
#
#  This program is distributed in the hope that it will be useful,
#  but WITHOUT ANY WARRANTY; without even the implied warranty of
#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#  GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License
#  along with this program; if not, write to the Free Software
#  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#

"""
Interfaces for knowledge management and elearning with loops.
"""

from zope.interface import Interface, Attribute
from zope import interface, component, schema

from loops.interfaces import IConceptSchema, ILoopsAdapter
from loops.util import _


class ICompetence(ILoopsAdapter):
    """ The competence of a person.

        Maybe assigned to the person via a 'knows' relation or
        work items of type 'checkup'.
    """

    validityPeriod = schema.Int(
        title=_(u'Validity Period (Months)'),
        description=_(u'Number of months the competence remains valid. '
                u'Zero means unlimited validity.'),
        default=0,
        required=False)


