##
## interfaces.py
## Login : <uli@pu.smp.net>
## Started on  Sun Jan 16 15:30:01 2011 Uli Fouquet
## $Id$
## 
## Copyright (C) 2011 Uli Fouquet
## 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 regarding student applicants and related components.
"""
from zope import schema
from waeup.sirp.interfaces import IWAeUPObject, SimpleWAeUPVocabulary

#: Categories of applications we support.
#: Yet not complete nor correct.
APPLICATION_CATEGORIES = (
    ('Direct Entry Screening Exam (PDE)', 'pde'),
    ('Post-UME', 'pume'),
    ('Post-UDE', 'pude'),
    ('PCE', 'pce'),
    ('Common Entry Screening Test (CEST)', 'cest'),
    )

#: A :class:`waeup.sirp.interfaces.SimpleWAeUPVocabulary` of supported
#: application categories.
application_categories_vocab = SimpleWAeUPVocabulary(*APPLICATION_CATEGORIES)

class IApplicantsRoot(IWAeUPObject):
    """A container for university applicants containers.
    """
    def addApplicantsContainer(container, name=None):
        """Add an applicants container.

        Adds an applicants container that implements `interface`
        under the name `name`.

        `container` the container instance to be added. Should
          implement :class:`IApplicantsContainer`.

        `name`
          the name under which the container will be accessible. We
          usually use names like ``pume_2011`` to indicate, that the
          new container will contain university applicants for a
          certain screening type (``pume``) and of the year 2011.
        """

class IApplicantsContainer(IWAeUPObject):
    """An applicants container contains university applicants.

    """
    REQUIRES_JAMBDATA = schema.Bool(
        title = u'JAMB data required',
        description = u'This container requires JAMB data to be available.',
        required = True,
        default = False,
        )
        
    name = schema.TextLine(
        title = u'Internal ID',
        required = True,
        )

    title = schema.TextLine(
        title = u'Short description of the type of applicants stored here.',
        required = True,
        default = u'Untitled',
        )
    
    description = schema.Text(
        title = u'Human readable description in reST format',
        required = False,
        default = u'Not set.'
        )

    startdate = schema.Date(
        title = u'Date when the application period starts',
        required = False,
        default = None,
        )

    enddate = schema.Date(
        title = u'Date when the application period ends',
        required = False,
        default = None,
        )

    strict_deadline = schema.Bool(
        title = u'Forbid additions after deadline (enddate)',
        required = True,
        default = True,
        )

    def archive(id=None):
        """Create on-dist archive of applicants stored in this term.

        If id is `None`, all applicants are archived.

        If id contains a single id string, only the respective
        applicants are archived.

        If id contains a list of id strings all of the respective
        applicants types are saved to disk.
        """

    def clear(id=None, archive=True):
        """Remove applicants of type given by 'id'.

        Optionally archive the applicants.
        
        If id is `None`, all applicants are archived.

        If id contains a single id string, only the respective
        applicants are archived.

        If id contains a list of id strings all of the respective
        applicant types are saved to disk.

        If `archive` is ``False`` none of the archive-handling is done
        and respective applicants are simply removed from the
        database.
        """