source: main/waeup.kofa/branches/uli-py3/src/waeup/kofa/hostels/utils.py @ 17238

Last change on this file since 17238 was 13484, checked in by Henrik Bettermann, 9 years ago

Add bed statistics view components.

  • Property svn:keywords set to Id
File size: 2.1 KB
Line 
1## $Id: utils.py 13484 2015-11-19 11:34:48Z 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.interfaces import IHostelsUtils
26from waeup.kofa.hostels.vocabularies import NOT_OCCUPIED
27
28class HostelsUtils(grok.GlobalUtility):
29    """A collection of parameters and methods subject to customization.
30    """
31    grok.implements(IHostelsUtils)
32
33    def getBedStatistics(self):
34        cat = getUtility(ICatalog, name='beds_catalog')
35        stats = {}
36        bed_types = (
37            'regular_female_fr',
38            'regular_female_re',
39            'regular_female_fi',
40            'regular_female_all',
41            'regular_female_reserved',
42            'regular_male_fr',
43            'regular_male_re',
44            'regular_male_fi',
45            'regular_male_all',
46            'regular_male_reserved',)
47        for bed_type in bed_types:
48            free = cat.searchResults(
49                bed_type=(bed_type, bed_type),
50                owner=(NOT_OCCUPIED, NOT_OCCUPIED))
51            all = cat.searchResults(
52                bed_type=(bed_type, bed_type))
53            free = len(free)
54            total = len(all)
55            occ = total - free
56            stats[bed_type] = (occ, free, total)
57        return stats
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