## $Id: vocabularies.py 9373 2012-10-21 15:49:12Z henrik $
##
## Copyright (C) 2011 Uli Fouquet & Henrik Bettermann
## 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
##
"""Vocabularies and sources for the accommodation section.
"""
from  grok import getSite
from zope.component import getUtility
from zope.catalog.interfaces import ICatalog
from zc.sourcefactory.contextual import BasicContextualSourceFactory
from waeup.kofa.interfaces import SimpleKofaVocabulary
from waeup.kofa.interfaces import MessageFactory as _

NOT_OCCUPIED = u'not occupied'

class StudentSource(BasicContextualSourceFactory):
    """A students source delivers all students in accommodation session.
    """

    def acco_students(self, context):
        catalog = getUtility(ICatalog, name='students_catalog')
        accommodation_session = getSite()['hostels'].accommodation_session
        students = catalog.searchResults(current_session=(
            accommodation_session,accommodation_session))
        existing_students = [
            context.__parent__[key].owner
            for key in context.__parent__.keys()]
        students = [student for student in students
                      if not student.student_id in existing_students]
        students = sorted(list(students),
                          key=lambda value: value.student_id)
        return dict([(student.student_id,student.fullname) for student in students])

    def getValues(self, context):
        return self.acco_students(context).keys()

    def getToken(self, context, value):
        return value

    def getTitle(self, context, value):
        return "%s - %s" % (value, self.acco_students(context)[value])

bed_letters = SimpleKofaVocabulary(
    (_('Bed A'),'A'),
    (_('Bed B'),'B'),
    (_('Bed C'),'C'),
    (_('Bed D'),'D'),
    (_('Bed E'),'E'),
    (_('Bed F'),'F'),
    (_('Bed G'),'G'),
    (_('Bed H'),'H'),
    (_('Bed I'),'I'),
    (_('Bed J'),'J'),
    (_('Bed K'),'K'),
    (_('Bed L'),'L'),
    )

blocks = SimpleKofaVocabulary(
    (_('Block A'),'A'),
    (_('Block B'),'B'),
    (_('Block C'),'C'),
    (_('Block D'),'D'),
    (_('Block E'),'E'),
    (_('Block F'),'F'),
    (_('Block G'),'G'),
    (_('Block H'),'H'),
    (_('Block I'),'I'),
    (_('Block K'),'K'),
    (_('Block L'),'L'),
    (_('Block M'),'M'),
    (_('Block N'),'N'),
    (_('Block O'),'O'),
    (_('Block P'),'P'),
    (_('Block Q'),'Q'),
    )

special_handling = SimpleKofaVocabulary(
    (_('Regular Hostel'),'regular'),
    (_('Blocked Hostel'),'blocked'),
    (_('Postgraduate Hostel'),'pg'),
    )