source: main/waeup.kofa/trunk/src/waeup/kofa/applicants/browser.py @ 11575

Last change on this file since 11575 was 11575, checked in by Henrik Bettermann, 11 years ago

Multiple payments in special application containers enabled.
Special payment applicants remain in state started after payment.
  • Property svn:keywords set to Id
File size: 45.1 KB
Line 
1## $Id: browser.py 11575 2014-04-04 05:59:43Z 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 basic applicants and related components.
19"""
20import os
21import sys
22import grok
23from datetime import datetime, date
24from zope.event import notify
25from zope.component import getUtility, createObject, getAdapter
26from zope.catalog.interfaces import ICatalog
27from zope.i18n import translate
28from hurry.workflow.interfaces import (
29    IWorkflowInfo, IWorkflowState, InvalidTransitionError)
30from waeup.kofa.applicants.interfaces import (
31    IApplicant, IApplicantEdit, IApplicantsRoot,
32    IApplicantsContainer, IApplicantsContainerAdd,
33    MAX_UPLOAD_SIZE, IApplicantOnlinePayment, IApplicantsUtils,
34    IApplicantRegisterUpdate, ISpecialApplicant
35    )
36from waeup.kofa.applicants.container import (
37    ApplicantsContainer, VirtualApplicantsExportJobContainer)
38from waeup.kofa.applicants.applicant import search
39from waeup.kofa.applicants.workflow import (
40    INITIALIZED, STARTED, PAID, SUBMITTED, ADMITTED)
41from waeup.kofa.browser import (
42#    KofaPage, KofaEditFormPage, KofaAddFormPage, KofaDisplayFormPage,
43    DEFAULT_PASSPORT_IMAGE_PATH)
44from waeup.kofa.browser.layout import (
45    KofaPage, KofaEditFormPage, KofaAddFormPage, KofaDisplayFormPage)
46from waeup.kofa.browser.interfaces import ICaptchaManager
47from waeup.kofa.browser.breadcrumbs import Breadcrumb
48from waeup.kofa.browser.layout import (
49    NullValidator, jsaction, action, UtilityView)
50from waeup.kofa.browser.pages import (
51    add_local_role, del_local_roles, doll_up, ExportCSVView)
52from waeup.kofa.interfaces import (
53    IKofaObject, ILocalRolesAssignable, IExtFileStore, IPDF,
54    IFileStoreNameChooser, IPasswordValidator, IUserAccount, IKofaUtils)
55from waeup.kofa.interfaces import MessageFactory as _
56from waeup.kofa.permissions import get_users_with_local_roles
57from waeup.kofa.students.interfaces import IStudentsUtils
58from waeup.kofa.utils.helpers import string_from_bytes, file_size, now
59from waeup.kofa.widgets.datewidget import (
60    FriendlyDateDisplayWidget,
61    FriendlyDatetimeDisplayWidget)
62from waeup.kofa.widgets.htmlwidget import HTMLDisplayWidget
63
64grok.context(IKofaObject) # Make IKofaObject the default context
65
66WARNING = _('You can not edit your application records after final submission.'
67            ' You really want to submit?')
68
69class ApplicantsRootPage(KofaDisplayFormPage):
70    grok.context(IApplicantsRoot)
71    grok.name('index')
72    grok.require('waeup.Public')
73    form_fields = grok.AutoFields(IApplicantsRoot)
74    form_fields['description'].custom_widget = HTMLDisplayWidget
75    label = _('Application Section')
76    pnav = 3
77
78    def update(self):
79        super(ApplicantsRootPage, self).update()
80        return
81
82    @property
83    def introduction(self):
84        # Here we know that the cookie has been set
85        lang = self.request.cookies.get('kofa.language')
86        html = self.context.description_dict.get(lang,'')
87        if html == '':
88            portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
89            html = self.context.description_dict.get(portal_language,'')
90        return html
91
92    @property
93    def containers(self):
94        if self.layout.isAuthenticated():
95            return self.context.values()
96        return [value for value in self.context.values() if not value.hidden]
97
98class ApplicantsSearchPage(KofaPage):
99    grok.context(IApplicantsRoot)
100    grok.name('search')
101    grok.require('waeup.viewApplication')
102    label = _('Find applicants')
103    search_button = _('Find applicant')
104    pnav = 3
105
106    def update(self, *args, **kw):
107        form = self.request.form
108        self.results = []
109        if 'searchterm' in form and form['searchterm']:
110            self.searchterm = form['searchterm']
111            self.searchtype = form['searchtype']
112        elif 'old_searchterm' in form:
113            self.searchterm = form['old_searchterm']
114            self.searchtype = form['old_searchtype']
115        else:
116            if 'search' in form:
117                self.flash(_('Empty search string'), type='warning')
118            return
119        self.results = search(query=self.searchterm,
120            searchtype=self.searchtype, view=self)
121        if not self.results:
122            self.flash(_('No applicant found.'), type='warning')
123        return
124
125class ApplicantsRootManageFormPage(KofaEditFormPage):
126    grok.context(IApplicantsRoot)
127    grok.name('manage')
128    grok.template('applicantsrootmanagepage')
129    form_fields = grok.AutoFields(IApplicantsRoot)
130    label = _('Manage application section')
131    pnav = 3
132    grok.require('waeup.manageApplication')
133    taboneactions = [_('Save')]
134    tabtwoactions = [_('Add applicants container'), _('Remove selected')]
135    tabthreeactions1 = [_('Remove selected local roles')]
136    tabthreeactions2 = [_('Add local role')]
137    subunits = _('Applicants Containers')
138
139    def getLocalRoles(self):
140        roles = ILocalRolesAssignable(self.context)
141        return roles()
142
143    def getUsers(self):
144        """Get a list of all users.
145        """
146        for key, val in grok.getSite()['users'].items():
147            url = self.url(val)
148            yield(dict(url=url, name=key, val=val))
149
150    def getUsersWithLocalRoles(self):
151        return get_users_with_local_roles(self.context)
152
153    @jsaction(_('Remove selected'))
154    def delApplicantsContainers(self, **data):
155        form = self.request.form
156        if 'val_id' in form:
157            child_id = form['val_id']
158        else:
159            self.flash(_('No container selected!'), type='warning')
160            self.redirect(self.url(self.context, '@@manage')+'#tab2')
161            return
162        if not isinstance(child_id, list):
163            child_id = [child_id]
164        deleted = []
165        for id in child_id:
166            try:
167                del self.context[id]
168                deleted.append(id)
169            except:
170                self.flash(_('Could not delete:') + ' %s: %s: %s' % (
171                    id, sys.exc_info()[0], sys.exc_info()[1]), type='danger')
172        if len(deleted):
173            self.flash(_('Successfully removed: ${a}',
174                mapping = {'a':', '.join(deleted)}))
175        self.redirect(self.url(self.context, '@@manage')+'#tab2')
176        return
177
178    @action(_('Add applicants container'), validator=NullValidator)
179    def addApplicantsContainer(self, **data):
180        self.redirect(self.url(self.context, '@@add'))
181        return
182
183    @action(_('Add local role'), validator=NullValidator)
184    def addLocalRole(self, **data):
185        return add_local_role(self,3, **data)
186
187    @action(_('Remove selected local roles'))
188    def delLocalRoles(self, **data):
189        return del_local_roles(self,3,**data)
190
191    def _description(self):
192        view = ApplicantsRootPage(
193            self.context,self.request)
194        view.setUpWidgets()
195        return view.widgets['description']()
196
197    @action(_('Save'), style='primary')
198    def save(self, **data):
199        self.applyData(self.context, **data)
200        self.context.description_dict = self._description()
201        self.flash(_('Form has been saved.'))
202        return
203
204class ApplicantsContainerAddFormPage(KofaAddFormPage):
205    grok.context(IApplicantsRoot)
206    grok.require('waeup.manageApplication')
207    grok.name('add')
208    grok.template('applicantscontaineraddpage')
209    label = _('Add applicants container')
210    pnav = 3
211
212    form_fields = grok.AutoFields(
213        IApplicantsContainerAdd).omit('code').omit('title')
214
215    @action(_('Add applicants container'))
216    def addApplicantsContainer(self, **data):
217        year = data['year']
218        code = u'%s%s' % (data['prefix'], year)
219        apptypes_dict = getUtility(IApplicantsUtils).APP_TYPES_DICT
220        title = apptypes_dict[data['prefix']][0]
221        title = u'%s %s/%s' % (title, year, year + 1)
222        if code in self.context.keys():
223            self.flash(
224              _('An applicants container for the same application '
225                'type and entrance year exists already in the database.'),
226                type='warning')
227            return
228        # Add new applicants container...
229        container = createObject(u'waeup.ApplicantsContainer')
230        self.applyData(container, **data)
231        container.code = code
232        container.title = title
233        self.context[code] = container
234        self.flash(_('Added:') + ' "%s".' % code)
235        self.redirect(self.url(self.context, u'@@manage'))
236        return
237
238    @action(_('Cancel'), validator=NullValidator)
239    def cancel(self, **data):
240        self.redirect(self.url(self.context, '@@manage'))
241
242class ApplicantsRootBreadcrumb(Breadcrumb):
243    """A breadcrumb for applicantsroot.
244    """
245    grok.context(IApplicantsRoot)
246    title = _(u'Applicants')
247
248class ApplicantsContainerBreadcrumb(Breadcrumb):
249    """A breadcrumb for applicantscontainers.
250    """
251    grok.context(IApplicantsContainer)
252
253
254class ApplicantsExportsBreadcrumb(Breadcrumb):
255    """A breadcrumb for exports.
256    """
257    grok.context(VirtualApplicantsExportJobContainer)
258    title = _(u'Applicant Data Exports')
259    target = None
260
261class ApplicantBreadcrumb(Breadcrumb):
262    """A breadcrumb for applicants.
263    """
264    grok.context(IApplicant)
265
266    @property
267    def title(self):
268        """Get a title for a context.
269        """
270        return self.context.application_number
271
272class OnlinePaymentBreadcrumb(Breadcrumb):
273    """A breadcrumb for payments.
274    """
275    grok.context(IApplicantOnlinePayment)
276
277    @property
278    def title(self):
279        return self.context.p_id
280
281class ApplicantsStatisticsPage(KofaDisplayFormPage):
282    """Some statistics about applicants in a container.
283    """
284    grok.context(IApplicantsContainer)
285    grok.name('statistics')
286    grok.require('waeup.viewApplicationStatistics')
287    grok.template('applicantcontainerstatistics')
288
289    @property
290    def label(self):
291        return "%s" % self.context.title
292
293class ApplicantsContainerPage(KofaDisplayFormPage):
294    """The standard view for regular applicant containers.
295    """
296    grok.context(IApplicantsContainer)
297    grok.name('index')
298    grok.require('waeup.Public')
299    grok.template('applicantscontainerpage')
300    pnav = 3
301
302    @property
303    def form_fields(self):
304        form_fields = grok.AutoFields(IApplicantsContainer).omit('title')
305        form_fields['description'].custom_widget = HTMLDisplayWidget
306        form_fields[
307            'startdate'].custom_widget = FriendlyDatetimeDisplayWidget('le')
308        form_fields[
309            'enddate'].custom_widget = FriendlyDatetimeDisplayWidget('le')
310        if self.request.principal.id == 'zope.anybody':
311            form_fields = form_fields.omit(
312                'code', 'prefix', 'year', 'mode', 'hidden',
313                'strict_deadline', 'application_category')
314        return form_fields
315
316    @property
317    def introduction(self):
318        # Here we know that the cookie has been set
319        lang = self.request.cookies.get('kofa.language')
320        html = self.context.description_dict.get(lang,'')
321        if html == '':
322            portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
323            html = self.context.description_dict.get(portal_language,'')
324        return html
325
326    @property
327    def label(self):
328        return "%s" % self.context.title
329
330class ApplicantsContainerManageFormPage(KofaEditFormPage):
331    grok.context(IApplicantsContainer)
332    grok.name('manage')
333    grok.template('applicantscontainermanagepage')
334    form_fields = grok.AutoFields(IApplicantsContainer)
335    taboneactions = [_('Save'),_('Cancel')]
336    tabtwoactions = [_('Remove selected'),_('Cancel'),
337        _('Create students from selected')]
338    tabthreeactions1 = [_('Remove selected local roles')]
339    tabthreeactions2 = [_('Add local role')]
340    # Use friendlier date widget...
341    grok.require('waeup.manageApplication')
342
343    @property
344    def label(self):
345        return _('Manage applicants container')
346
347    pnav = 3
348
349    @property
350    def showApplicants(self):
351        if len(self.context) < 5000:
352            return True
353        return False
354
355    def getLocalRoles(self):
356        roles = ILocalRolesAssignable(self.context)
357        return roles()
358
359    def getUsers(self):
360        """Get a list of all users.
361        """
362        for key, val in grok.getSite()['users'].items():
363            url = self.url(val)
364            yield(dict(url=url, name=key, val=val))
365
366    def getUsersWithLocalRoles(self):
367        return get_users_with_local_roles(self.context)
368
369    def _description(self):
370        view = ApplicantsContainerPage(
371            self.context,self.request)
372        view.setUpWidgets()
373        return view.widgets['description']()
374
375    @action(_('Save'), style='primary')
376    def save(self, **data):
377        changed_fields = self.applyData(self.context, **data)
378        if changed_fields:
379            changed_fields = reduce(lambda x,y: x+y, changed_fields.values())
380        else:
381            changed_fields = []
382        self.context.description_dict = self._description()
383        # Always refresh title. So we can change titles
384        # if APP_TYPES_DICT has been edited.
385        apptypes_dict = getUtility(IApplicantsUtils).APP_TYPES_DICT
386        title = apptypes_dict[self.context.prefix][0]
387        #self.context.title = u'%s %s/%s' % (
388        #    title, self.context.year, self.context.year + 1)
389        self.flash(_('Form has been saved.'))
390        fields_string = ' + '.join(changed_fields)
391        self.context.writeLogMessage(self, 'saved: % s' % fields_string)
392        return
393
394    @jsaction(_('Remove selected'))
395    def delApplicant(self, **data):
396        form = self.request.form
397        if 'val_id' in form:
398            child_id = form['val_id']
399        else:
400            self.flash(_('No applicant selected!'), type='warning')
401            self.redirect(self.url(self.context, '@@manage')+'#tab2')
402            return
403        if not isinstance(child_id, list):
404            child_id = [child_id]
405        deleted = []
406        for id in child_id:
407            try:
408                del self.context[id]
409                deleted.append(id)
410            except:
411                self.flash(_('Could not delete:') + ' %s: %s: %s' % (
412                    id, sys.exc_info()[0], sys.exc_info()[1]), type='danger')
413        if len(deleted):
414            self.flash(_('Successfully removed: ${a}',
415                mapping = {'a':', '.join(deleted)}))
416        self.redirect(self.url(self.context, u'@@manage')+'#tab2')
417        return
418
419    @action(_('Create students from selected'))
420    def createStudents(self, **data):
421        form = self.request.form
422        if 'val_id' in form:
423            child_id = form['val_id']
424        else:
425            self.flash(_('No applicant selected!'), type='warning')
426            self.redirect(self.url(self.context, '@@manage')+'#tab2')
427            return
428        if not isinstance(child_id, list):
429            child_id = [child_id]
430        created = []
431        for id in child_id:
432            success, msg = self.context[id].createStudent(view=self)
433            if success:
434                created.append(id)
435        if len(created):
436            self.flash(_('${a} students successfully created.',
437                mapping = {'a': len(created)}))
438        else:
439            self.flash(_('No student could be created.'), type='warning')
440        self.redirect(self.url(self.context, u'@@manage')+'#tab2')
441        return
442
443    @action(_('Cancel'), validator=NullValidator)
444    def cancel(self, **data):
445        self.redirect(self.url(self.context))
446        return
447
448    @action(_('Add local role'), validator=NullValidator)
449    def addLocalRole(self, **data):
450        return add_local_role(self,3, **data)
451
452    @action(_('Remove selected local roles'))
453    def delLocalRoles(self, **data):
454        return del_local_roles(self,3,**data)
455
456class ApplicantAddFormPage(KofaAddFormPage):
457    """Add-form to add an applicant.
458    """
459    grok.context(IApplicantsContainer)
460    grok.require('waeup.manageApplication')
461    grok.name('addapplicant')
462    #grok.template('applicantaddpage')
463    form_fields = grok.AutoFields(IApplicant).select(
464        'firstname', 'middlename', 'lastname',
465        'email', 'phone')
466    label = _('Add applicant')
467    pnav = 3
468
469    @action(_('Create application record'))
470    def addApplicant(self, **data):
471        applicant = createObject(u'waeup.Applicant')
472        self.applyData(applicant, **data)
473        self.context.addApplicant(applicant)
474        self.flash(_('Applicant record created.'))
475        self.redirect(
476            self.url(self.context[applicant.application_number], 'index'))
477        return
478
479class ApplicantDisplayFormPage(KofaDisplayFormPage):
480    """A display view for applicant data.
481    """
482    grok.context(IApplicant)
483    grok.name('index')
484    grok.require('waeup.viewApplication')
485    grok.template('applicantdisplaypage')
486    label = _('Applicant')
487    pnav = 3
488    hide_hint = False
489
490    @property
491    def form_fields(self):
492        if self.context.special:
493            form_fields = grok.AutoFields(ISpecialApplicant)
494        else:
495            form_fields = grok.AutoFields(IApplicant).omit(
496                'locked', 'course_admitted', 'password', 'suspended')
497        return form_fields
498
499    @property
500    def target(self):
501        return getattr(self.context.__parent__, 'prefix', None)
502
503    @property
504    def separators(self):
505        return getUtility(IApplicantsUtils).SEPARATORS_DICT
506
507    def update(self):
508        self.passport_url = self.url(self.context, 'passport.jpg')
509        # Mark application as started if applicant logs in for the first time
510        usertype = getattr(self.request.principal, 'user_type', None)
511        if usertype == 'applicant' and \
512            IWorkflowState(self.context).getState() == INITIALIZED:
513            IWorkflowInfo(self.context).fireTransition('start')
514        if usertype == 'applicant' and self.context.state == 'created':
515            session = '%s/%s' % (self.context.__parent__.year,
516                                 self.context.__parent__.year+1)
517            title = getattr(grok.getSite()['configuration'], 'name', u'Sample University')
518            msg = _(
519                '\n <strong>Congratulations!</strong>' +
520                ' You have been offered provisional admission into the' +
521                ' ${c} Academic Session of ${d}.'
522                ' Your student record has been created for you.' +
523                ' Please, logout again and proceed to the' +
524                ' login page of the portal.'
525                ' Then enter your new student credentials:' +
526                ' user name= ${a}, password = ${b}.' +
527                ' Change your password when you have logged in.',
528                mapping = {
529                    'a':self.context.student_id,
530                    'b':self.context.application_number,
531                    'c':session,
532                    'd':title}
533                )
534            self.flash(msg)
535        return
536
537    @property
538    def hasPassword(self):
539        if self.context.password:
540            return _('set')
541        return _('unset')
542
543    @property
544    def label(self):
545        container_title = self.context.__parent__.title
546        return _('${a} <br /> Application Record ${b}', mapping = {
547            'a':container_title, 'b':self.context.application_number})
548
549    def getCourseAdmitted(self):
550        """Return link, title and code in html format to the certificate
551           admitted.
552        """
553        course_admitted = self.context.course_admitted
554        if getattr(course_admitted, '__parent__',None):
555            url = self.url(course_admitted)
556            title = course_admitted.title
557            code = course_admitted.code
558            return '<a href="%s">%s - %s</a>' %(url,code,title)
559        return ''
560
561class ApplicantBaseDisplayFormPage(ApplicantDisplayFormPage):
562    grok.context(IApplicant)
563    grok.name('base')
564    form_fields = grok.AutoFields(IApplicant).select(
565        'applicant_id','email', 'course1')
566
567class CreateStudentPage(UtilityView, grok.View):
568    """Create a student object from applicant data.
569    """
570    grok.context(IApplicant)
571    grok.name('createstudent')
572    grok.require('waeup.manageStudent')
573
574    def update(self):
575        msg = self.context.createStudent(view=self)[1]
576        self.flash(msg, type='warning')
577        self.redirect(self.url(self.context))
578        return
579
580    def render(self):
581        return
582
583class CreateAllStudentsPage(UtilityView, grok.View):
584    """Create all student objects from applicant data
585    in a container.
586
587    This is a hidden page, no link or button will
588    be provided and only PortalManagers can do this.
589    """
590    #grok.context(IApplicantsContainer)
591    grok.name('createallstudents')
592    grok.require('waeup.managePortal')
593
594    def update(self):
595        cat = getUtility(ICatalog, name='applicants_catalog')
596        results = list(cat.searchResults(state=(ADMITTED, ADMITTED)))
597        created = []
598        container_only = False
599        applicants_root = grok.getSite()['applicants']
600        if isinstance(self.context, ApplicantsContainer):
601            container_only = True
602        for result in results:
603            if container_only and result.__parent__ is not self.context:
604                continue
605            success, msg = result.createStudent(view=self)
606            if success:
607                created.append(result.applicant_id)
608            else:
609                ob_class = self.__implemented__.__name__.replace('waeup.kofa.','')
610                applicants_root.logger.info(
611                    '%s - %s - %s' % (ob_class, result.applicant_id, msg))
612        if len(created):
613            self.flash(_('${a} students successfully created.',
614                mapping = {'a': len(created)}))
615        else:
616            self.flash(_('No student could be created.'), type='warning')
617        self.redirect(self.url(self.context))
618        return
619
620    def render(self):
621        return
622
623class ApplicationFeePaymentAddPage(UtilityView, grok.View):
624    """ Page to add an online payment ticket
625    """
626    grok.context(IApplicant)
627    grok.name('addafp')
628    grok.require('waeup.payApplicant')
629    factory = u'waeup.ApplicantOnlinePayment'
630
631    def update(self):
632        if not self.context.special:
633            for key in self.context.keys():
634                ticket = self.context[key]
635                if ticket.p_state == 'paid':
636                      self.flash(
637                          _('This type of payment has already been made.'),
638                          type='warning')
639                      self.redirect(self.url(self.context))
640                      return
641        applicants_utils = getUtility(IApplicantsUtils)
642        container = self.context.__parent__
643        payment = createObject(self.factory)
644        failure = applicants_utils.setPaymentDetails(
645            container, payment, self.context)
646        if failure is not None:
647            self.flash(failure[0], type='danger')
648            self.redirect(self.url(self.context))
649            return
650        self.context[payment.p_id] = payment
651        self.flash(_('Payment ticket created.'))
652        self.redirect(self.url(payment))
653        return
654
655    def render(self):
656        return
657
658
659class OnlinePaymentDisplayFormPage(KofaDisplayFormPage):
660    """ Page to view an online payment ticket
661    """
662    grok.context(IApplicantOnlinePayment)
663    grok.name('index')
664    grok.require('waeup.viewApplication')
665    form_fields = grok.AutoFields(IApplicantOnlinePayment).omit('p_item')
666    form_fields[
667        'creation_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')
668    form_fields[
669        'payment_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')
670    pnav = 3
671
672    @property
673    def label(self):
674        return _('${a}: Online Payment Ticket ${b}', mapping = {
675            'a':self.context.__parent__.display_fullname,
676            'b':self.context.p_id})
677
678class OnlinePaymentApprovePage(UtilityView, grok.View):
679    """ Approval view
680    """
681    grok.context(IApplicantOnlinePayment)
682    grok.name('approve')
683    grok.require('waeup.managePortal')
684
685    def update(self):
686        msg, log = self.context.approveApplicantPayment()
687        if log is not None:
688            applicant = self.context.__parent__
689            # Add log message to applicants.log
690            applicant.writeLogMessage(self, log)
691            # Add log message to payments.log
692            self.context.logger.info(
693                '%s,%s,%s,%s,%s,,,,,,' % (
694                applicant.applicant_id,
695                self.context.p_id, self.context.p_category,
696                self.context.amount_auth, self.context.r_code))
697        self.flash(msg, type='warning')
698        return
699
700    def render(self):
701        self.redirect(self.url(self.context, '@@index'))
702        return
703
704class ExportPDFPaymentSlipPage(UtilityView, grok.View):
705    """Deliver a PDF slip of the context.
706    """
707    grok.context(IApplicantOnlinePayment)
708    grok.name('payment_slip.pdf')
709    grok.require('waeup.viewApplication')
710    form_fields = grok.AutoFields(IApplicantOnlinePayment).omit('p_item')
711    form_fields['creation_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')
712    form_fields['payment_date'].custom_widget = FriendlyDatetimeDisplayWidget('le')
713    prefix = 'form'
714    note = None
715
716    @property
717    def title(self):
718        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
719        return translate(_('Payment Data'), 'waeup.kofa',
720            target_language=portal_language)
721
722    @property
723    def label(self):
724        portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
725        return translate(_('Online Payment Slip'),
726            'waeup.kofa', target_language=portal_language) \
727            + ' %s' % self.context.p_id
728
729    def render(self):
730        #if self.context.p_state != 'paid':
731        #    self.flash(_('Ticket not yet paid.'))
732        #    self.redirect(self.url(self.context))
733        #    return
734        applicantview = ApplicantBaseDisplayFormPage(self.context.__parent__,
735            self.request)
736        students_utils = getUtility(IStudentsUtils)
737        return students_utils.renderPDF(self,'payment_slip.pdf',
738            self.context.__parent__, applicantview, note=self.note)
739
740class ExportPDFPageApplicationSlip(UtilityView, grok.View):
741    """Deliver a PDF slip of the context.
742    """
743    grok.context(IApplicant)
744    grok.name('application_slip.pdf')
745    grok.require('waeup.viewApplication')
746    prefix = 'form'
747
748    def update(self):
749        if self.context.state in ('initialized', 'started', 'paid'):
750            self.flash(
751                _('Please pay and submit before trying to download '
752                  'the application slip.'), type='warning')
753            return self.redirect(self.url(self.context))
754        return
755
756    def render(self):
757        pdfstream = getAdapter(self.context, IPDF, name='application_slip')(
758            view=self)
759        self.response.setHeader(
760            'Content-Type', 'application/pdf')
761        return pdfstream
762
763def handle_img_upload(upload, context, view):
764    """Handle upload of applicant image.
765
766    Returns `True` in case of success or `False`.
767
768    Please note that file pointer passed in (`upload`) most probably
769    points to end of file when leaving this function.
770    """
771    size = file_size(upload)
772    if size > MAX_UPLOAD_SIZE:
773        view.flash(_('Uploaded image is too big!'), type='danger')
774        return False
775    dummy, ext = os.path.splitext(upload.filename)
776    ext.lower()
777    if ext != '.jpg':
778        view.flash(_('jpg file extension expected.'), type='danger')
779        return False
780    upload.seek(0) # file pointer moved when determining size
781    store = getUtility(IExtFileStore)
782    file_id = IFileStoreNameChooser(context).chooseName()
783    store.createFile(file_id, upload)
784    return True
785
786class ApplicantManageFormPage(KofaEditFormPage):
787    """A full edit view for applicant data.
788    """
789    grok.context(IApplicant)
790    grok.name('manage')
791    grok.require('waeup.manageApplication')
792    grok.template('applicanteditpage')
793    manage_applications = True
794    pnav = 3
795    display_actions = [[_('Save'), _('Final Submit')],
796        [_('Add online payment ticket'),_('Remove selected tickets')]]
797
798    @property
799    def form_fields(self):
800        if self.context.special:
801            form_fields = grok.AutoFields(ISpecialApplicant)
802            form_fields['applicant_id'].for_display = True
803        else:
804            form_fields = grok.AutoFields(IApplicant)
805            form_fields['student_id'].for_display = True
806            form_fields['applicant_id'].for_display = True
807        return form_fields
808
809    @property
810    def target(self):
811        return getattr(self.context.__parent__, 'prefix', None)
812
813    @property
814    def separators(self):
815        return getUtility(IApplicantsUtils).SEPARATORS_DICT
816
817    def update(self):
818        super(ApplicantManageFormPage, self).update()
819        self.wf_info = IWorkflowInfo(self.context)
820        self.max_upload_size = string_from_bytes(MAX_UPLOAD_SIZE)
821        self.upload_success = None
822        upload = self.request.form.get('form.passport', None)
823        if upload:
824            # We got a fresh upload, upload_success is
825            # either True or False
826            self.upload_success = handle_img_upload(
827                upload, self.context, self)
828            if self.upload_success:
829                self.context.writeLogMessage(self, 'saved: passport')
830        return
831
832    @property
833    def label(self):
834        container_title = self.context.__parent__.title
835        return _('${a} <br /> Application Form ${b}', mapping = {
836            'a':container_title, 'b':self.context.application_number})
837
838    def getTransitions(self):
839        """Return a list of dicts of allowed transition ids and titles.
840
841        Each list entry provides keys ``name`` and ``title`` for
842        internal name and (human readable) title of a single
843        transition.
844        """
845        allowed_transitions = [t for t in self.wf_info.getManualTransitions()
846            if not t[0] in ('pay', 'create')]
847        return [dict(name='', title=_('No transition'))] +[
848            dict(name=x, title=y) for x, y in allowed_transitions]
849
850    @action(_('Save'), style='primary')
851    def save(self, **data):
852        form = self.request.form
853        password = form.get('password', None)
854        password_ctl = form.get('control_password', None)
855        if password:
856            validator = getUtility(IPasswordValidator)
857            errors = validator.validate_password(password, password_ctl)
858            if errors:
859                self.flash( ' '.join(errors), type='danger')
860                return
861        if self.upload_success is False:  # False is not None!
862            # Error during image upload. Ignore other values.
863            return
864        changed_fields = self.applyData(self.context, **data)
865        # Turn list of lists into single list
866        if changed_fields:
867            changed_fields = reduce(lambda x,y: x+y, changed_fields.values())
868        else:
869            changed_fields = []
870        if password:
871            # Now we know that the form has no errors and can set password ...
872            IUserAccount(self.context).setPassword(password)
873            changed_fields.append('password')
874        fields_string = ' + '.join(changed_fields)
875        trans_id = form.get('transition', None)
876        if trans_id:
877            self.wf_info.fireTransition(trans_id)
878        self.flash(_('Form has been saved.'))
879        if fields_string:
880            self.context.writeLogMessage(self, 'saved: % s' % fields_string)
881        return
882
883    def unremovable(self, ticket):
884        return False
885
886    # This method is also used by the ApplicantEditFormPage
887    def delPaymentTickets(self, **data):
888        form = self.request.form
889        if 'val_id' in form:
890            child_id = form['val_id']
891        else:
892            self.flash(_('No payment selected.'), type='warning')
893            self.redirect(self.url(self.context))
894            return
895        if not isinstance(child_id, list):
896            child_id = [child_id]
897        deleted = []
898        for id in child_id:
899            # Applicants are not allowed to remove used payment tickets
900            if not self.unremovable(self.context[id]):
901                try:
902                    del self.context[id]
903                    deleted.append(id)
904                except:
905                    self.flash(_('Could not delete:') + ' %s: %s: %s' % (
906                      id, sys.exc_info()[0], sys.exc_info()[1]), type='danger')
907        if len(deleted):
908            self.flash(_('Successfully removed: ${a}',
909                mapping = {'a':', '.join(deleted)}))
910            self.context.writeLogMessage(
911                self, 'removed: % s' % ', '.join(deleted))
912        return
913
914    # We explicitely want the forms to be validated before payment tickets
915    # can be created. If no validation is requested, use
916    # 'validator=NullValidator' in the action directive
917    @action(_('Add online payment ticket'))
918    def addPaymentTicket(self, **data):
919        self.redirect(self.url(self.context, '@@addafp'))
920        return
921
922    @jsaction(_('Remove selected tickets'))
923    def removePaymentTickets(self, **data):
924        self.delPaymentTickets(**data)
925        self.redirect(self.url(self.context) + '/@@manage')
926        return
927
928    # Not used in base package
929    def file_exists(self, attr):
930        file = getUtility(IExtFileStore).getFileByContext(
931            self.context, attr=attr)
932        if file:
933            return True
934        else:
935            return False
936
937class ApplicantEditFormPage(ApplicantManageFormPage):
938    """An applicant-centered edit view for applicant data.
939    """
940    grok.context(IApplicantEdit)
941    grok.name('edit')
942    grok.require('waeup.handleApplication')
943    grok.template('applicanteditpage')
944    manage_applications = False
945    submit_state = PAID
946
947    @property
948    def form_fields(self):
949        if self.context.special:
950            form_fields = grok.AutoFields(ISpecialApplicant)
951            form_fields['applicant_id'].for_display = True
952        else:
953            form_fields = grok.AutoFields(IApplicantEdit).omit(
954                'locked', 'course_admitted', 'student_id',
955                'suspended'
956                )
957            form_fields['applicant_id'].for_display = True
958            form_fields['reg_number'].for_display = True
959        return form_fields
960
961    @property
962    def display_actions(self):
963        state = IWorkflowState(self.context).getState()
964        actions = [[],[]]
965        if state == STARTED:
966            actions = [[_('Save')],
967                [_('Add online payment ticket'),_('Remove selected tickets')]]
968        elif state == PAID:
969            actions = [[_('Save'), _('Final Submit')],
970                [_('Remove selected tickets')]]
971        return actions
972
973    def unremovable(self, ticket):
974        state = IWorkflowState(self.context).getState()
975        return ticket.r_code or state in (INITIALIZED, SUBMITTED)
976
977    def emit_lock_message(self):
978        self.flash(_('The requested form is locked (read-only).'),
979                   type='warning')
980        self.redirect(self.url(self.context))
981        return
982
983    def update(self):
984        if self.context.locked or (
985            self.context.__parent__.expired and
986            self.context.__parent__.strict_deadline):
987            self.emit_lock_message()
988            return
989        super(ApplicantEditFormPage, self).update()
990        return
991
992    def dataNotComplete(self):
993        store = getUtility(IExtFileStore)
994        if not store.getFileByContext(self.context, attr=u'passport.jpg'):
995            return _('No passport picture uploaded.')
996        if not self.request.form.get('confirm_passport', False):
997            return _('Passport picture confirmation box not ticked.')
998        return False
999
1000    # We explicitely want the forms to be validated before payment tickets
1001    # can be created. If no validation is requested, use
1002    # 'validator=NullValidator' in the action directive
1003    @action(_('Add online payment ticket'))
1004    def addPaymentTicket(self, **data):
1005        self.redirect(self.url(self.context, '@@addafp'))
1006        return
1007
1008    @jsaction(_('Remove selected tickets'))
1009    def removePaymentTickets(self, **data):
1010        self.delPaymentTickets(**data)
1011        self.redirect(self.url(self.context) + '/@@edit')
1012        return
1013
1014    @action(_('Save'), style='primary')
1015    def save(self, **data):
1016        if self.upload_success is False:  # False is not None!
1017            # Error during image upload. Ignore other values.
1018            return
1019        if data.get('course1', 1) == data.get('course2', 2):
1020            self.flash(_('1st and 2nd choice must be different.'),
1021                       type='warning')
1022            return
1023        self.applyData(self.context, **data)
1024        self.flash(_('Form has been saved.'))
1025        return
1026
1027    @action(_('Final Submit'), warning=WARNING)
1028    def finalsubmit(self, **data):
1029        if self.upload_success is False:  # False is not None!
1030            return # error during image upload. Ignore other values
1031        if self.dataNotComplete():
1032            self.flash(self.dataNotComplete(), type='danger')
1033            return
1034        self.applyData(self.context, **data)
1035        state = IWorkflowState(self.context).getState()
1036        # This shouldn't happen, but the application officer
1037        # might have forgotten to lock the form after changing the state
1038        if state != self.submit_state:
1039            self.flash(_('The form cannot be submitted. Wrong state!'),
1040                       type='danger')
1041            return
1042        IWorkflowInfo(self.context).fireTransition('submit')
1043        # application_date is used in export files for sorting.
1044        # We can thus store utc.
1045        self.context.application_date = datetime.utcnow()
1046        self.flash(_('Form has been submitted.'))
1047        self.redirect(self.url(self.context))
1048        return
1049
1050class PassportImage(grok.View):
1051    """Renders the passport image for applicants.
1052    """
1053    grok.name('passport.jpg')
1054    grok.context(IApplicant)
1055    grok.require('waeup.viewApplication')
1056
1057    def render(self):
1058        # A filename chooser turns a context into a filename suitable
1059        # for file storage.
1060        image = getUtility(IExtFileStore).getFileByContext(self.context)
1061        self.response.setHeader(
1062            'Content-Type', 'image/jpeg')
1063        if image is None:
1064            # show placeholder image
1065            return open(DEFAULT_PASSPORT_IMAGE_PATH, 'rb').read()
1066        return image
1067
1068class ApplicantRegistrationPage(KofaAddFormPage):
1069    """Captcha'd registration page for applicants.
1070    """
1071    grok.context(IApplicantsContainer)
1072    grok.name('register')
1073    grok.require('waeup.Anonymous')
1074    grok.template('applicantregister')
1075
1076    @property
1077    def form_fields(self):
1078        form_fields = None
1079        if self.context.mode == 'update':
1080            form_fields = grok.AutoFields(IApplicantRegisterUpdate).select(
1081                'firstname','reg_number','email')
1082        else: #if self.context.mode == 'create':
1083            form_fields = grok.AutoFields(IApplicantEdit).select(
1084                'firstname', 'middlename', 'lastname', 'email', 'phone')
1085        return form_fields
1086
1087    @property
1088    def label(self):
1089        return _('Apply for ${a}',
1090            mapping = {'a':self.context.title})
1091
1092    def update(self):
1093        if self.context.expired:
1094            self.flash(_('Outside application period.'), type='warning')
1095            self.redirect(self.url(self.context))
1096            return
1097        # Handle captcha
1098        self.captcha = getUtility(ICaptchaManager).getCaptcha()
1099        self.captcha_result = self.captcha.verify(self.request)
1100        self.captcha_code = self.captcha.display(self.captcha_result.error_code)
1101        return
1102
1103    def _redirect(self, email, password, applicant_id):
1104        # Forward only email to landing page in base package.
1105        self.redirect(self.url(self.context, 'registration_complete',
1106            data = dict(email=email)))
1107        return
1108
1109    @action(_('Send login credentials to email address'), style='primary')
1110    def register(self, **data):
1111        if not self.captcha_result.is_valid:
1112            # Captcha will display error messages automatically.
1113            # No need to flash something.
1114            return
1115        if self.context.mode == 'create':
1116            # Add applicant
1117            applicant = createObject(u'waeup.Applicant')
1118            self.applyData(applicant, **data)
1119            self.context.addApplicant(applicant)
1120            applicant.reg_number = applicant.applicant_id
1121            notify(grok.ObjectModifiedEvent(applicant))
1122        elif self.context.mode == 'update':
1123            # Update applicant
1124            reg_number = data.get('reg_number','')
1125            firstname = data.get('firstname','')
1126            cat = getUtility(ICatalog, name='applicants_catalog')
1127            results = list(
1128                cat.searchResults(reg_number=(reg_number, reg_number)))
1129            if results:
1130                applicant = results[0]
1131                if getattr(applicant,'firstname',None) is None:
1132                    self.flash(_('An error occurred.'), type='danger')
1133                    return
1134                elif applicant.firstname.lower() != firstname.lower():
1135                    # Don't tell the truth here. Anonymous must not
1136                    # know that a record was found and only the firstname
1137                    # verification failed.
1138                    self.flash(_('No application record found.'), type='warning')
1139                    return
1140                elif applicant.password is not None and \
1141                    applicant.state != INITIALIZED:
1142                    self.flash(_('Your password has already been set and used. '
1143                                 'Please proceed to the login page.'),
1144                               type='warning')
1145                    return
1146                # Store email address but nothing else.
1147                applicant.email = data['email']
1148                notify(grok.ObjectModifiedEvent(applicant))
1149            else:
1150                # No record found, this is the truth.
1151                self.flash(_('No application record found.'), type='warning')
1152                return
1153        else:
1154            # Does not happen but anyway ...
1155            return
1156        kofa_utils = getUtility(IKofaUtils)
1157        password = kofa_utils.genPassword()
1158        IUserAccount(applicant).setPassword(password)
1159        # Send email with credentials
1160        login_url = self.url(grok.getSite(), 'login')
1161        url_info = u'Login: %s' % login_url
1162        msg = _('You have successfully been registered for the')
1163        if kofa_utils.sendCredentials(IUserAccount(applicant),
1164            password, url_info, msg):
1165            email_sent = applicant.email
1166        else:
1167            email_sent = None
1168        self._redirect(email=email_sent, password=password,
1169            applicant_id=applicant.applicant_id)
1170        return
1171
1172class ApplicantRegistrationEmailSent(KofaPage):
1173    """Landing page after successful registration.
1174
1175    """
1176    grok.name('registration_complete')
1177    grok.require('waeup.Public')
1178    grok.template('applicantregemailsent')
1179    label = _('Your registration was successful.')
1180
1181    def update(self, email=None, applicant_id=None, password=None):
1182        self.email = email
1183        self.password = password
1184        self.applicant_id = applicant_id
1185        return
1186
1187class ExportJobContainerOverview(KofaPage):
1188    """Page that lists active applicant data export jobs and provides links
1189    to discard or download CSV files.
1190
1191    """
1192    grok.context(VirtualApplicantsExportJobContainer)
1193    grok.require('waeup.manageApplication')
1194    grok.name('index.html')
1195    grok.template('exportjobsindex')
1196    label = _('Data Exports')
1197    pnav = 3
1198
1199    def update(self, CREATE=None, DISCARD=None, job_id=None):
1200        if CREATE:
1201            self.redirect(self.url('@@start_export'))
1202            return
1203        if DISCARD and job_id:
1204            entry = self.context.entry_from_job_id(job_id)
1205            self.context.delete_export_entry(entry)
1206            ob_class = self.__implemented__.__name__.replace('waeup.kofa.','')
1207            self.context.logger.info(
1208                '%s - discarded: job_id=%s' % (ob_class, job_id))
1209            self.flash(_('Discarded export') + ' %s' % job_id)
1210        self.entries = doll_up(self, user=self.request.principal.id)
1211        return
1212
1213class ExportJobContainerJobStart(KofaPage):
1214    """Page that starts an applicants export job.
1215
1216    """
1217    grok.context(VirtualApplicantsExportJobContainer)
1218    grok.require('waeup.manageApplication')
1219    grok.name('start_export')
1220
1221    def update(self):
1222        exporter = 'applicants'
1223        container_code = self.context.__parent__.code
1224        job_id = self.context.start_export_job(exporter,
1225                                      self.request.principal.id,
1226                                      container=container_code)
1227
1228        ob_class = self.__implemented__.__name__.replace('waeup.kofa.','')
1229        self.context.logger.info(
1230            '%s - exported: %s (%s), job_id=%s'
1231            % (ob_class, exporter, container_code, job_id))
1232        self.flash(_('Export started.'))
1233        self.redirect(self.url(self.context))
1234        return
1235
1236    def render(self):
1237        return
1238
1239class ExportJobContainerDownload(ExportCSVView):
1240    """Page that downloads a students export csv file.
1241
1242    """
1243    grok.context(VirtualApplicantsExportJobContainer)
1244    grok.require('waeup.manageApplication')
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