source: main/waeup.aaue/trunk/src/waeup/aaue/hostels/utils.py @ 15505

Last change on this file since 15505 was 13485, checked in by Henrik Bettermann, 9 years ago

Customize bed statistics.

  • Property svn:keywords set to Id
File size: 1.9 KB
RevLine 
[13485]1## $Id: utils.py 13485 2015-11-19 12:02:52Z henrik $
2##
3## Copyright (C) 2015 Uli Fouquet & Henrik Bettermann
4## This program is free software; you can redistribute it and/or modify
5## it under the terms of the GNU General Public License as published by
6## the Free Software Foundation; either version 2 of the License, or
7## (at your option) any later version.
8##
9## This program is distributed in the hope that it will be useful,
10## but WITHOUT ANY WARRANTY; without even the implied warranty of
11## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12## GNU General Public License for more details.
13##
14## You should have received a copy of the GNU General Public License
15## along with this program; if not, write to the Free Software
16## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17##
18"""General helper functions and utilities for the hostels section.
19"""
20
21import grok
22from zope.component import getUtility
23from zope.catalog.interfaces import ICatalog
24from waeup.kofa.interfaces import MessageFactory as _
25from waeup.kofa.hostels.utils import HostelsUtils
26from waeup.kofa.hostels.vocabularies import NOT_OCCUPIED
27
28class CustomHostelsUtils(HostelsUtils):
29    """A collection of parameters and methods subject to customization.
30    """
31
32    def getBedStatistics(self):
33        cat = getUtility(ICatalog, name='beds_catalog')
34        stats = {}
35        bed_types = (
36            'regular_female_all',
37            'regular_female_reserved',
38            'regular_male_all',
39            'regular_male_reserved',)
40        for bed_type in bed_types:
41            free = cat.searchResults(
42                bed_type=(bed_type, bed_type),
43                owner=(NOT_OCCUPIED, NOT_OCCUPIED))
44            all = cat.searchResults(
45                bed_type=(bed_type, bed_type))
46            free = len(free)
47            total = len(all)
48            occ = total - free
49            stats[bed_type] = (occ, free, total)
50        return stats
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