## $Id: vocabularies.py 7321 2011-12-10 06:15:17Z 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.sirp.interfaces import SimpleSIRPVocabulary

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()['configuration'].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 = SimpleSIRPVocabulary(
    ('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'),
    )

blocks = SimpleSIRPVocabulary(
    ('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'),
    )

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