source: main/waeup.uniben/trunk/src/waeup/uniben/students/utils.py @ 14395

Last change on this file since 14395 was 14358, checked in by Henrik Bettermann, 8 years ago

Add Clinical Examination Fee payment.
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1## $Id: utils.py 14358 2016-12-20 09:03:23Z 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##
18import grok
19from time import time
20from zope.component import createObject, getUtility
21from waeup.kofa.interfaces import (IKofaUtils,
22    CLEARED, RETURNING, PAID, REGISTERED, VALIDATED)
23from waeup.kofa.utils.helpers import to_timezone
24from waeup.kofa.students.utils import trans
25from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
26from waeup.uniben.interfaces import MessageFactory as _
27
28class CustomStudentsUtils(NigeriaStudentsUtils):
29    """A collection of customized methods.
30
31    """
32
33    def getReturningData(self, student):
34        """ This method defines what happens after school fee payment
35        of returning students depending on the student's senate verdict.
36        """
37        prev_level = student['studycourse'].current_level
38        cur_verdict = student['studycourse'].current_verdict
39        if cur_verdict in ('A','B','L','M','N','Z',):
40            # Successful student
41            new_level = divmod(int(prev_level),100)[0]*100 + 100
42        elif cur_verdict == 'C':
43            # Student on probation
44            new_level = int(prev_level) + 10
45        else:
46            # Student is somehow in an undefined state.
47            # Level has to be set manually.
48            new_level = prev_level
49        new_session = student['studycourse'].current_session + 1
50        return new_session, new_level
51
52
53    def checkAccommodationRequirements(self, student, acc_details):
54        if acc_details.get('expired', False):
55            startdate = acc_details.get('startdate')
56            enddate = acc_details.get('enddate')
57            if startdate and enddate:
58                tz = getUtility(IKofaUtils).tzinfo
59                startdate = to_timezone(
60                    startdate, tz).strftime("%d/%m/%Y %H:%M:%S")
61                enddate = to_timezone(
62                    enddate, tz).strftime("%d/%m/%Y %H:%M:%S")
63                return _("Outside booking period: ${a} - ${b}",
64                         mapping = {'a': startdate, 'b': enddate})
65            else:
66                return _("Outside booking period.")
67        if not student.is_postgrad and student.current_mode != 'ug_ft':
68            return _("Only undergraduate full-time students are eligible to book accommodation.")
69        bt = acc_details.get('bt')
70        if not bt:
71            return _("Your data are incomplete.")
72        if not student.state in acc_details['allowed_states']:
73            return _("You are in the wrong registration state.")
74        if student['studycourse'].current_session != acc_details[
75            'booking_session']:
76            return _('Your current session does not '
77                     'match accommodation session.')
78        stage = bt.split('_')[2]
79        if not student.is_postgrad and stage != 'fr' and not student[
80            'studycourse'].previous_verdict in (
81                'A', 'B', 'F', 'J', 'M', 'C', 'Z'):
82            return _("Your are not eligible to book accommodation.")
83        if str(acc_details[
84            'booking_session']) in student['accommodation'].keys():
85            return _('You already booked a bed space in '
86                     'current accommodation session.')
87        return
88
89    def getAccommodationDetails(self, student):
90        """Determine the accommodation data of a student.
91        """
92        d = {}
93        d['error'] = u''
94        hostels = grok.getSite()['hostels']
95        d['booking_session'] = hostels.accommodation_session
96        d['allowed_states'] = hostels.accommodation_states
97        d['startdate'] = hostels.startdate
98        d['enddate'] = hostels.enddate
99        d['expired'] = hostels.expired
100        # Determine bed type
101        studycourse = student['studycourse']
102        certificate = getattr(studycourse,'certificate',None)
103        entry_session = studycourse.entry_session
104        current_level = studycourse.current_level
105        if None in (entry_session, current_level, certificate):
106            return d
107        if student.sex == 'f':
108            sex = 'female'
109        else:
110            sex = 'male'
111        if student.is_postgrad:
112            bt = 'all'
113            special_handling = 'pg'
114        else:
115            end_level = certificate.end_level
116            if current_level == 10:
117                bt = 'pr'
118            elif entry_session == grok.getSite()['hostels'].accommodation_session:
119                bt = 'fr'
120            elif current_level >= end_level:
121                bt = 'fi'
122            else:
123                bt = 're'
124            special_handling = 'regular'
125            if student.faccode in ('MED', 'DEN'):
126                special_handling = 'clinical'
127            elif student.certcode in ('BARTMAS', 'BARTTHR', 'BARTFAA',
128                                      'BAEDFAA', 'BSCEDECHED'):
129                special_handling = 'ekenwan'
130        d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
131        return d
132
133    def _paymentMade(self, student, session):
134        if len(student['payments']):
135            for ticket in student['payments'].values():
136                if ticket.p_state == 'paid' and \
137                    ticket.p_category == 'schoolfee' and \
138                    ticket.p_session == session:
139                    return True
140        return False
141
142    def _isPaymentDisabled(self, p_session, category, student):
143        academic_session = self._getSessionConfiguration(p_session)
144        if category == 'schoolfee' and \
145            'sf_all' in academic_session.payment_disabled:
146            return True
147        if category == 'hostel_maintenance' and \
148            'maint_all' in academic_session.payment_disabled:
149            return True
150        return False
151
152    #def _hostelApplicationPaymentMade(self, student, session):
153    #    if len(student['payments']):
154    #        for ticket in student['payments'].values():
155    #            if ticket.p_state == 'paid' and \
156    #                ticket.p_category == 'hostel_application' and \
157    #                ticket.p_session == session:
158    #                return True
159    #    return False
160
161    def setPaymentDetails(self, category, student,
162            previous_session, previous_level):
163        """Create Payment object and set the payment data of a student for
164        the payment category specified.
165
166        """
167        p_item = u''
168        amount = 0.0
169        if previous_session:
170            if previous_session < student['studycourse'].entry_session:
171                return _('The previous session must not fall below '
172                         'your entry session.'), None
173            if category == 'schoolfee':
174                # School fee is always paid for the following session
175                if previous_session > student['studycourse'].current_session:
176                    return _('This is not a previous session.'), None
177            else:
178                if previous_session > student['studycourse'].current_session - 1:
179                    return _('This is not a previous session.'), None
180            p_session = previous_session
181            p_level = previous_level
182            p_current = False
183        else:
184            p_session = student['studycourse'].current_session
185            p_level = student['studycourse'].current_level
186            p_current = True
187        academic_session = self._getSessionConfiguration(p_session)
188        if academic_session == None:
189            return _(u'Session configuration object is not available.'), None
190        # Determine fee.
191        if category == 'transfer':
192            amount = academic_session.transfer_fee
193        elif category == 'transcript':
194            amount = academic_session.transcript_fee
195        elif category == 'gown':
196            amount = academic_session.gown_fee
197        elif category == 'jupeb':
198            amount = academic_session.jupeb_fee
199        elif category == 'clinexam':
200            amount = academic_session.clinexam_fee
201        elif category == 'bed_allocation':
202            p_item = self.getAccommodationDetails(student)['bt']
203            amount = academic_session.booking_fee
204            # Add student union dues
205            if not student.is_postgrad:
206                stage = self.getAccommodationDetails(student)['bt']
207                stage = stage.split('_')[2]
208                if stage == 'fr':
209                    amount += 500.0
210                elif stage in ('fi', 're') and student[
211                    'studycourse'].previous_verdict in (
212                        'A', 'B', 'F', 'J', 'M', 'C', 'Z'):
213                    amount += 300.0
214                else:
215                    amount = 0.0
216        elif category == 'hostel_maintenance':
217            amount = 0.0
218            bedticket = student['accommodation'].get(
219                str(student.current_session), None)
220            if bedticket is not None and bedticket.bed is not None:
221                p_item = bedticket.bed_coordinates
222                if bedticket.bed.__parent__.maint_fee > 0:
223                    amount = bedticket.bed.__parent__.maint_fee
224                else:
225                    # fallback
226                    amount = academic_session.maint_fee
227            else:
228                return _(u'No bed allocated.'), None
229        #elif category == 'hostel_application':
230        #    amount = 1000.0
231        #elif category.startswith('tempmaint'):
232        #    if not self._hostelApplicationPaymentMade(
233        #        student, student.current_session):
234        #        return _(
235        #            'You have not yet paid the hostel application fee.'), None
236        #    if category == 'tempmaint_1':
237        #        amount = 8150.0
238        #    elif category == 'tempmaint_2':
239        #        amount = 12650.0
240        #    elif category == 'tempmaint_3':
241        #        amount = 9650.0
242        elif category == 'clearance':
243            p_item = student.certcode
244            if p_item is None:
245                return _('Study course data are incomplete.'), None
246            if student.faccode == 'JUPEB':
247                return _('No payment required.'), None
248            if student.faccode.startswith('FCETA'):
249                # ASABA and AKOKA
250                amount = 30000.0
251            elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS',
252                'MBBSMED', 'MBBSNDU', 'BSCPTY'):
253                amount = 65000.0
254            else:
255                amount = 45000.0
256            # Clearance fee and provider amount have been increased
257            # for new students.
258            if student.entry_session >= 2016:
259                amount += 5000.0
260        elif category == 'schoolfee':
261            try:
262                certificate = student['studycourse'].certificate
263                p_item = certificate.code
264            except (AttributeError, TypeError):
265                return _('Study course data are incomplete.'), None
266
267            #####################################################
268            #if student.faccode == 'JUPEB':
269            #    return _('Payment temporarily disabled.'), None
270            #####################################################
271
272
273            if previous_session:
274                # Students can pay for previous sessions in all workflow states.
275                # Fresh students are excluded by the update method of the
276                # PreviousPaymentAddFormPage.
277                if previous_session == student['studycourse'].entry_session:
278                    if student.is_foreigner:
279                        amount = getattr(certificate, 'school_fee_3', 0.0)
280                    else:
281                        amount = getattr(certificate, 'school_fee_1', 0.0)
282                else:
283                    if student.is_foreigner:
284                        amount = getattr(certificate, 'school_fee_4', 0.0)
285                    else:
286                        amount = getattr(certificate, 'school_fee_2', 0.0)
287            else:
288                if student.state == CLEARED:
289                    if student.is_foreigner:
290                        amount = getattr(certificate, 'school_fee_3', 0.0)
291                    else:
292                        amount = getattr(certificate, 'school_fee_1', 0.0)
293                elif student.state in (PAID, REGISTERED, VALIDATED):
294                    p_session += 1
295                    # We don't know which level the student is paying for.
296                    p_level = None
297                    academic_session = self._getSessionConfiguration(p_session)
298                    if academic_session == None:
299                        return _(u'Session configuration object is not available.'), None
300
301                    # Students are only allowed to pay for the next session
302                    # if current session payment
303                    # has really been made, i.e. payment object exists.
304                    #if not self._paymentMade(
305                    #    student, student.current_session):
306                    #    return _('You have not yet paid your current/active' +
307                    #             ' session. Please use the previous session' +
308                    #             ' payment form first.'), None
309
310                    if student.is_foreigner:
311                        amount = getattr(certificate, 'school_fee_4', 0.0)
312                    else:
313                        amount = getattr(certificate, 'school_fee_2', 0.0)
314                elif student.state == RETURNING:
315                    # In case of returning school fee payment the payment session
316                    # and level contain the values of the session the student
317                    # has paid for.
318                    p_session, p_level = self.getReturningData(student)
319                    academic_session = self._getSessionConfiguration(p_session)
320                    if academic_session == None:
321                        return _(u'Session configuration object is not available.'), None
322
323                    # Students are only allowed to pay for the next session
324                    # if current session payment has really been made,
325                    # i.e. payment object exists and is paid.
326                    #if not self._paymentMade(
327                    #    student, student.current_session):
328                    #    return _('You have not yet paid your current/active' +
329                    #             ' session. Please use the previous session' +
330                    #             ' payment form first.'), None
331
332                    if student.is_foreigner:
333                        amount = getattr(certificate, 'school_fee_4', 0.0)
334                    else:
335                        amount = getattr(certificate, 'school_fee_2', 0.0)
336            # Give 50% school fee discount to staff members.
337            if student.is_staff:
338                amount /= 2
339        if amount in (0.0, None):
340            return _('Amount could not be determined.'), None
341        # Add session specific penalty fee.
342        if category == 'schoolfee' and student.is_postgrad:
343            amount += academic_session.penalty_pg
344        elif category == 'schoolfee' and student.current_mode == ('ug_ft'):
345            amount += academic_session.penalty_ug_ft
346        elif category == 'schoolfee' and student.current_mode == ('ug_pt'):
347            amount += academic_session.penalty_ug_pt
348        elif category == 'schoolfee' and student.current_mode == ('ug_sw'):
349            amount += academic_session.penalty_sw
350        if category.startswith('tempmaint'):
351            p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category]
352            p_item = unicode(p_item)
353            # Now we change the category because tempmaint payments
354            # will be obsolete when Uniben returns to Kofa bed allocation.
355            category = 'hostel_maintenance'
356        # Create ticket.
357        if self.samePaymentMade(student, category, p_item, p_session):
358            return _('This type of payment has already been made.'), None
359        if self._isPaymentDisabled(p_session, category, student):
360            return _('This category of payments has been disabled.'), None
361        payment = createObject(u'waeup.StudentOnlinePayment')
362        timestamp = ("%d" % int(time()*10000))[1:]
363        payment.p_id = "p%s" % timestamp
364        payment.p_category = category
365        payment.p_item = p_item
366        payment.p_session = p_session
367        payment.p_level = p_level
368        payment.p_current = p_current
369        payment.amount_auth = amount
370        return None, payment
371
372    def maxCredits(self, studylevel):
373        """Return maximum credits.
374
375        """
376        studycourse = studylevel.__parent__
377        certificate = getattr(studycourse,'certificate', None)
378        current_level = studycourse.current_level
379        if None in (current_level, certificate):
380            return 0
381        end_level = certificate.end_level
382        if current_level >= end_level:
383            return 51
384        return 50
385
386    def clearance_disabled_message(self, student):
387        if student.is_postgrad:
388            return None
389        try:
390            session_config = grok.getSite()[
391                'configuration'][str(student.current_session)]
392        except KeyError:
393            return _('Session configuration object is not available.')
394        if not session_config.clearance_enabled:
395            return _('Clearance is disabled for this session.')
396        return None
397
398    #: A tuple containing the names of registration states in which changing of
399    #: passport pictures is allowed.
400    PORTRAIT_CHANGE_STATES = ()
401
402    # Uniben prefix
403    STUDENT_ID_PREFIX = u'B'
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