source: main/waeup.kofa/branches/0.2/src/waeup/kofa/hostels/browser.py @ 17931

Last change on this file since 17931 was 10771, checked in by Henrik Bettermann, 11 years ago

For customization we need to name the tab viewlets.
  • Property svn:keywords set to Id
File size: 13.0 KB
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1## $Id: browser.py 10771 2013-11-20 07:49:06Z henrik $
2##
3## Copyright (C) 2011 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"""UI components for hostels and related components.
19"""
20import grok
21import sys
22from zope.i18n import translate
23from zope.component import getUtility
24from waeup.kofa.browser.layout import (
25    KofaEditFormPage, KofaAddFormPage, KofaDisplayFormPage,
26    NullValidator)
27from waeup.kofa.browser.breadcrumbs import Breadcrumb
28from waeup.kofa.browser.resources import datepicker, datatable, tabs, warning
29from waeup.kofa.browser.layout import default_primary_nav_template
30from waeup.kofa.browser.pages import delSubobjects
31from waeup.kofa.browser.viewlets import (
32    ManageActionButton, PrimaryNavTab)
33from waeup.kofa.browser.layout import jsaction, action
34from waeup.kofa.interfaces import IKofaObject, IKofaUtils
35from waeup.kofa.interfaces import MessageFactory as _
36from waeup.kofa.hostels.vocabularies import NOT_OCCUPIED
37from waeup.kofa.hostels.hostel import Hostel
38from waeup.kofa.hostels.interfaces import (
39    IHostelsContainer, IHostel, IBed)
40from waeup.kofa.widgets.datewidget import FriendlyDatetimeDisplayWidget
41
42def write_log_message(view, message):
43    ob_class = view.__implemented__.__name__.replace('waeup.kofa.','')
44    view.context.loggerInfo(ob_class, message)
45    return
46
47# Save function used for save methods in manager pages
48def msave(view, **data):
49    changed_fields = view.applyData(view.context, **data)
50    # Turn list of lists into single list
51    if changed_fields:
52        changed_fields = reduce(lambda x,y: x+y, changed_fields.values())
53    fields_string = ' + '.join(changed_fields)
54    view.context._p_changed = True
55    view.flash(_('Form has been saved.'))
56    if fields_string:
57        write_log_message(view, 'saved: % s' % fields_string)
58    return
59
60class HostelsTab(PrimaryNavTab):
61    """Hostels tab in primary navigation.
62    """
63
64    grok.context(IKofaObject)
65    grok.order(5)
66    grok.require('waeup.viewHostels')
67    grok.name('hostelstab')
68    template = default_primary_nav_template
69    pnav = 5
70    tab_title = _(u'Hostels')
71
72    @property
73    def link_target(self):
74        return self.view.application_url('hostels')
75
76class HostelsBreadcrumb(Breadcrumb):
77    """A breadcrumb for the hostels container.
78    """
79    grok.context(IHostelsContainer)
80    title = _(u'Hostels')
81
82class HostelBreadcrumb(Breadcrumb):
83    """A breadcrumb for the hostel container.
84    """
85    grok.context(IHostel)
86
87    def title(self):
88        return self.context.hostel_name
89
90class BedBreadcrumb(Breadcrumb):
91    """A breadcrumb for the hostel container.
92    """
93    grok.context(IBed)
94
95    def title(self):
96        co = self.context.coordinates
97        return _('Block ${a}, Room ${b}, Bed ${c}',
98            mapping = {'a':co[1], 'b':co[2], 'c':co[3]})
99
100class HostelsContainerPage(KofaDisplayFormPage):
101    """The standard view for hostels containers.
102    """
103    grok.context(IHostelsContainer)
104    grok.name('index')
105    grok.require('waeup.viewHostels')
106    grok.template('containerpage')
107    label = _('Accommodation Section')
108    pnav = 5
109    form_fields = grok.AutoFields(IHostelsContainer)
110    form_fields[
111        'startdate'].custom_widget = FriendlyDatetimeDisplayWidget('le')
112    form_fields[
113        'enddate'].custom_widget = FriendlyDatetimeDisplayWidget('le')
114
115class HostelsContainerManageActionButton(ManageActionButton):
116    grok.order(1)
117    grok.context(IHostelsContainer)
118    grok.view(HostelsContainerPage)
119    grok.require('waeup.manageHostels')
120    text = _('Manage accommodation section')
121
122class HostelsContainerManagePage(KofaEditFormPage):
123    """The manage page for hostel containers.
124    """
125    grok.context(IHostelsContainer)
126    grok.name('manage')
127    grok.require('waeup.manageHostels')
128    grok.template('containermanagepage')
129    pnav = 5
130    label = _('Manage accommodation section')
131    form_fields = grok.AutoFields(IHostelsContainer)
132    taboneactions = [_('Save')]
133    tabtwoactions = [_('Add hostel'),
134        _('Clear all hostels'),
135        _('Remove selected')]
136
137    def update(self):
138        tabs.need()
139        self.tab1 = self.tab2 = self.tab3 = self.tab4 = ''
140        qs = self.request.get('QUERY_STRING', '')
141        if not qs:
142            qs = 'tab1'
143        setattr(self, qs, 'active')
144        warning.need()
145        datatable.need()
146        return super(HostelsContainerManagePage, self).update()
147
148    # It's quite dangerous to remove entire hostels with its content (beds).
149    # Thus, this remove method should be combined with an archiving function.
150    @jsaction(_('Remove selected'))
151    def delHostels(self, **data):
152        form = self.request.form
153        if 'val_id' in form:
154            deleted = []
155            child_id = form['val_id']
156            if not isinstance(child_id, list):
157                child_id = [child_id]
158            for id in child_id:
159                deleted.append(id)
160            write_log_message(self, 'deleted: % s' % ', '.join(deleted))
161        delSubobjects(self, redirect='@@manage', tab='2')
162        return
163
164    @action(_('Add hostel'), validator=NullValidator)
165    def addSubunit(self, **data):
166        self.redirect(self.url(self.context, 'addhostel'))
167        return
168
169    @jsaction(_('Clear all hostels'))
170    def clearHostels(self, **data):
171        self.context.clearAllHostels()
172        self.flash(_('All hostels cleared.'))
173        write_log_message(self, 'all hostels cleared')
174        self.redirect(self.url(self.context, '@@manage')+'?tab2')
175        return
176
177    @action(_('Save'), style='primary')
178    def save(self, **data):
179        self.applyData(self.context, **data)
180        self.flash(_('Settings have been saved.'))
181        return
182
183class HostelAddFormPage(KofaAddFormPage):
184    """Add-form to add a hostel.
185    """
186    grok.context(IHostelsContainer)
187    grok.require('waeup.manageHostels')
188    grok.name('addhostel')
189    #grok.template('hosteladdpage')
190    form_fields = grok.AutoFields(IHostel).omit('beds_reserved', 'hostel_id')
191    label = _('Add hostel')
192    pnav = 5
193
194    @action(_('Create hostel'))
195    def addHostel(self, **data):
196        hostel = Hostel()
197        self.applyData(hostel, **data)
198        hostel.hostel_id = data[
199            'hostel_name'].lower().replace(' ','-').replace('_','-')
200        try:
201            self.context.addHostel(hostel)
202        except KeyError:
203            self.flash(_('The hostel already exists.'))
204            return
205        self.flash(_('Hostel created.'))
206        write_log_message(self, 'added: % s' % data['hostel_name'])
207        self.redirect(self.url(self.context[hostel.hostel_id], 'index'))
208        return
209
210class HostelDisplayFormPage(KofaDisplayFormPage):
211    """ Page to display hostel data
212    """
213    grok.context(IHostel)
214    grok.name('index')
215    grok.require('waeup.viewHostels')
216    grok.template('hostelpage')
217    form_fields = grok.AutoFields(IHostel).omit('beds_reserved')
218    pnav = 5
219
220    @property
221    def label(self):
222        return self.context.hostel_name
223
224class HostelManageActionButton(ManageActionButton):
225    grok.order(1)
226    grok.context(IHostel)
227    grok.view(HostelDisplayFormPage)
228    grok.require('waeup.manageHostels')
229    text = _('Manage')
230    target = 'manage'
231
232class HostelManageFormPage(KofaEditFormPage):
233    """ View to edit hostel data
234    """
235    grok.context(IHostel)
236    grok.name('manage')
237    grok.require('waeup.manageHostels')
238    form_fields = grok.AutoFields(IHostel).omit('hostel_id', 'beds_reserved')
239    grok.template('hostelmanagepage')
240    label = _('Manage hostel')
241    pnav = 5
242    taboneactions = [_('Save')]
243    tabtwoactions = [_('Update all beds'),
244        _('Switch reservation of selected beds'),
245        _('Release selected beds'),
246        _('Clear hostel')]
247    not_occupied = NOT_OCCUPIED
248
249    @property
250    def students_url(self):
251        return self.url(grok.getSite(),'students')
252
253    def update(self):
254        datepicker.need() # Enable jQuery datepicker in date fields.
255        tabs.need()
256        datatable.need()
257        warning.need()
258        self.tab1 = self.tab2 = ''
259        qs = self.request.get('QUERY_STRING', '')
260        if not qs:
261            qs = 'tab1'
262        setattr(self, qs, 'active')
263        super(HostelManageFormPage, self).update()
264        return
265
266    @action(_('Save'))
267    def save(self, **data):
268        msave(self, **data)
269        return
270
271    @action(_('Update all beds'))
272    def updateBeds(self, **data):
273        removed, added, modified, modified_beds = self.context.updateBeds()
274        message = '%d empty beds removed, %d beds added, %d occupied beds modified (%s)' % (
275            removed, added, modified, modified_beds)
276        flash_message = _(
277            '${a} empty beds removed, ${b} beds added, '
278            + '${c} occupied beds modified (${d})',
279            mapping = {'a':removed, 'b':added, 'c':modified, 'd':modified_beds})
280        self.flash(flash_message)
281        write_log_message(self, message)
282        self.redirect(self.url(self.context, '@@manage')+'?tab2')
283        return
284
285    @action(_('Switch reservation of selected beds'))
286    def switchReservations(self, **data):
287        form = self.request.form
288        if 'val_id' in form:
289            child_id = form['val_id']
290        else:
291            self.flash(_('No item selected.'))
292            self.redirect(self.url(self.context, '@@manage')+'?tab2')
293            return
294        if not isinstance(child_id, list):
295            child_id = [child_id]
296        switched = [] # for log file
297        switched_translated = [] # for flash message
298        # Here we know that the cookie has been set
299        preferred_language = self.request.cookies.get('kofa.language')
300        for bed_id in child_id:
301            message = self.context[bed_id].switchReservation()
302            switched.append('%s (%s)' % (bed_id,message))
303            m_translated = translate(message, 'waeup.kofa',
304                target_language=preferred_language)
305            switched_translated.append('%s (%s)' % (bed_id,m_translated))
306        if len(switched):
307            message = ', '.join(switched)
308            m_translated = ', '.join(switched_translated)
309            self.flash(_('Successfully switched beds: ${a}',
310                mapping = {'a':m_translated}))
311            write_log_message(self, 'switched: %s' % message)
312            self.redirect(self.url(self.context, '@@manage')+'?tab2')
313        return
314
315    @action(_('Release selected beds'))
316    def releaseBeds(self, **data):
317        form = self.request.form
318        if 'val_id' in form:
319            child_id = form['val_id']
320        else:
321            self.flash(_('No item selected.'))
322            self.redirect(self.url(self.context, '@@manage')+'?tab2')
323            return
324        if not isinstance(child_id, list):
325            child_id = [child_id]
326        released = []
327        for bed_id in child_id:
328            message = self.context[bed_id].releaseBed()
329            if message:
330                released.append('%s (%s)' % (bed_id,message))
331        if len(released):
332            message = ', '.join(released)
333            self.flash(_('Successfully released beds: ${a}',
334                mapping = {'a':message}))
335            write_log_message(self, 'released: %s' % message)
336            self.redirect(self.url(self.context, '@@manage')+'?tab2')
337        else:
338            self.flash(_('No allocated bed selected.'))
339            self.redirect(self.url(self.context, '@@manage')+'?tab2')
340        return
341
342    @jsaction(_('Clear hostel'))
343    def clearHostel(self, **data):
344        self.context.clearHostel()
345        self.flash(_('Hostel cleared.'))
346        write_log_message(self, 'cleared')
347        self.redirect(self.url(self.context, '@@manage')+'?tab2')
348        return
349
350class BedManageFormPage(KofaEditFormPage):
351    """ View to edit bed data
352    """
353    grok.context(IBed)
354    grok.name('index')
355    grok.require('waeup.manageHostels')
356    form_fields = grok.AutoFields(IBed).omit(
357        'bed_id', 'bed_number', 'bed_type')
358    label = _('Allocate student')
359    pnav = 5
360
361    @action(_('Save'))
362    def save(self, **data):
363        if data['owner'] == NOT_OCCUPIED:
364            self.flash(_('No valid student id.'))
365            self.redirect(self.url(self.context))
366            return
367        msave(self, **data)
368        self.redirect(self.url(self.context.__parent__, '@@manage')+'?tab2')
369        return
370
371    def update(self):
372        if self.context.owner != NOT_OCCUPIED:
373            # Don't use this form for exchanging students.
374            # Beds must be released first before they can be allocated to
375            # other students.
376            self.redirect(self.url(self.context.__parent__, '@@manage')+'?tab2')
377        return
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