source: main/kofacustom.edopoly/trunk/src/kofacustom/edopoly/students/utils.py @ 15209

Last change on this file since 15209 was 15209, checked in by Henrik Bettermann, 6 years ago

Don't getReturningData for previous session payments.
  • Property svn:keywords set to Id
File size: 13.1 KB
Line 
1## $Id: utils.py 15209 2018-10-30 07:38:19Z 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##
18from time import time
19import grok
20from zope.component import createObject, getUtility
21from waeup.kofa.interfaces import (IKofaUtils,
22    CLEARED, RETURNING, PAID, REGISTERED, VALIDATED)
23from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
24from kofacustom.edopoly.interfaces import MessageFactory as _
25
26class CustomStudentsUtils(NigeriaStudentsUtils):
27    """A collection of customized methods.
28
29    """
30
31    # prefix
32    STUDENT_ID_PREFIX = u'U'
33
34    def warnCreditsOOR(self, studylevel, course=None):
35        """No maximum credits.
36        """
37        return
38
39    def GPABoundaries(self, faccode=None, depcode=None,
40                            certcode=None, student=None):
41        if student and student.current_mode.startswith('dp'):
42                return ((1, 'IRNS / NER / NYV'),
43                        (2, 'Pass'),
44                        (2.5, 'Lower Credit'),
45                        (3, 'Upper Credit'),
46                        (3.5, 'Distinction'))
47        elif student:
48            return ((1, 'FRNS / NER / NYV'),
49                    (1.5, 'Pass'),
50                    (2.4, '3rd Class Honours'),
51                    (3.5, '2nd Class Honours Lower Division'),
52                    (4.5, '2nd Class Honours Upper Division'),
53                    (5, '1st Class Honours'))
54        # Session Results Presentations depend on certificate
55        results = None
56        if certcode:
57            cat = queryUtility(ICatalog, name='certificates_catalog')
58            results = list(
59                cat.searchResults(code=(certcode, certcode)))
60        if results and results[0].study_mode.startswith('dp'):
61            return ((1, 'IRNS / NER / NYV'),
62                    (2, 'Pass'),
63                    (2.5, 'Lower Credit'),
64                    (3, 'Upper Credit'),
65                    (3.5, 'Distinction'))
66        else:
67            return ((1, 'FRNS / NER / NYV'),
68                    (1.5, 'Pass'),
69                    (2.4, '3rd Class Honours'),
70                    (3.5, '2nd Class Honours Lower Division'),
71                    (4.5, '2nd Class Honours Upper Division'),
72                    (5, '1st Class Honours'))
73
74    def getClassFromCGPA(self, gpa, student):
75        gpa_boundaries = self.GPABoundaries(student=student)
76        if gpa < gpa_boundaries[0][0]:
77            return 0, gpa_boundaries[0][1]
78        if gpa < gpa_boundaries[1][0]:
79            return 1, gpa_boundaries[1][1]
80        if gpa < gpa_boundaries[2][0]:
81            return 2, gpa_boundaries[2][1]
82        if gpa < gpa_boundaries[3][0]:
83            return 3, gpa_boundaries[3][1]
84        if gpa < gpa_boundaries[4][0]:
85            return 4, gpa_boundaries[4][1]
86        if gpa <= gpa_boundaries[5][0]:
87            return 5, gpa_boundaries[5][1]
88        return 'N/A'
89
90    def _requiredPaymentsMade(self, student, session):
91        req_payments = ('ict_entre', 'logbook_combo', 'siwess_combo')
92        req_payments_titles = 'ICT, Logbook and SIWESS'
93        if len(student['payments']):
94            # All ND and HND of part time do not pay LOGBOOK
95            if student.current_mode.endswith('_pt'):
96                req_payments = ('ict_entre', 'siwess_combo')
97                req_payments_titles = 'ICT and SIWESS'
98            # HND2 full time do not pay for SIWES
99            elif student.current_mode == 'hnd_ft' and student.state == RETURNING:
100                req_payments = ('ict_entre', 'logbook_combo')
101                req_payments_titles = 'ICT and Logbook'
102            # HND1 full time do not pay both SIWES and LOGBOOK
103            elif student.current_mode == 'hnd_ft' and student.state == CLEARED:
104                req_payments = ('ict_entre',)
105                req_payments_titles = 'ICT'
106            # ND2 FULL TIME Do not pay LOGBOOK
107            elif student.current_mode == 'nd_ft' and student.state == RETURNING:
108                req_payments = ('ict_entre', 'siwess_combo')
109                req_payments_titles = 'ICT and SIWESS'
110            # ND1 full time do not pay SIWES
111            elif student.current_mode == 'nd_ft' and student.state == CLEARED:
112                req_payments = ('ict_entre', 'logbook_combo')
113                req_payments_titles = 'ICT and Logbook'
114            num = 0
115            for ticket in student['payments'].values():
116                if ticket.p_state == 'paid' and \
117                    ticket.p_category in req_payments and \
118                    ticket.p_session == session:
119                    num += 1
120            if num == len(req_payments):
121                return True, None
122        return False, req_payments_titles
123
124    def setPaymentDetails(self, category, student,
125            previous_session, previous_level):
126        """Create a payment ticket and set the payment data of a
127        student for the payment category specified.
128        """
129        p_item = u''
130        amount = 0.0
131        if previous_session:
132            if previous_session < student['studycourse'].entry_session:
133                return _('The previous session must not fall below '
134                         'your entry session.'), None
135            if category == 'schoolfee':
136                # School fee is always paid for the following session
137                if previous_session > student['studycourse'].current_session:
138                    return _('This is not a previous session.'), None
139            else:
140                if previous_session > student['studycourse'].current_session - 1:
141                    return _('This is not a previous session.'), None
142            p_session = previous_session
143            p_level = previous_level
144            p_current = False
145        else:
146            p_session = student['studycourse'].current_session
147            p_level = student['studycourse'].current_level
148            p_current = True
149        academic_session = self._getSessionConfiguration(p_session)
150        if academic_session == None:
151            return _(u'Session configuration object is not available.'), None
152        # Determine fee.
153        # The following three fees are part of the school fee which must be
154        # paid before tuition fee.
155        if category in ('ict_entre', 'logbook_combo', 'siwess_combo') and \
156            student.state == RETURNING and not previous_session:
157            p_session, p_level = self.getReturningData(student)
158        if category == 'schoolfee':
159            try:
160                certificate = student['studycourse'].certificate
161                p_item = certificate.code
162            except (AttributeError, TypeError):
163                return _('Study course data are incomplete.'), None
164            if previous_session:
165                amount = getattr(certificate, 'school_fee_1', 0.0)
166            else:
167                amount = getattr(certificate, 'school_fee_1', 0.0)
168                if student.state == RETURNING:
169                    # In case of returning school fee payment the
170                    # payment session and level contain the values of
171                    # the session the student has paid for. Payment
172                    # session is always next session.
173                    p_session, p_level = self.getReturningData(student)
174                    academic_session = self._getSessionConfiguration(p_session)
175                    if academic_session == None:
176                        return _(
177                            u'Session configuration object is not available.'
178                            ), None
179                   
180                elif student.is_postgrad and student.state == PAID:
181                    # Returning postgraduate students also pay for the
182                    # next session but their level always remains the
183                    # same.
184                    p_session += 1
185                    academic_session = self._getSessionConfiguration(p_session)
186                    if academic_session == None:
187                        return _(
188                            u'Session configuration object is not available.'
189                            ), None
190            rpm, rpt = self._requiredPaymentsMade(student, p_session)
191            if not rpm:
192                return 'Pay %s fee(s) first.' % rpt, None
193        elif category == 'clearance':
194            try:
195                p_item = student['studycourse'].certificate.code
196            except (AttributeError, TypeError):
197                return _('Study course data are incomplete.'), None
198            amount = academic_session.clearance_fee
199        elif category == 'bed_allocation':
200            p_item = self.getAccommodationDetails(student)['bt']
201            amount = academic_session.booking_fee
202        elif category == 'hostel_maintenance':
203            amount = 0.0
204            bedticket = student['accommodation'].get(
205                str(student.current_session), None)
206            if bedticket is not None and bedticket.bed is not None:
207                p_item = bedticket.bed_coordinates
208                if bedticket.bed.__parent__.maint_fee > 0:
209                    amount = bedticket.bed.__parent__.maint_fee
210                else:
211                    # fallback
212                    amount = academic_session.maint_fee
213            else:
214                return _(u'No bed allocated.'), None
215        else:
216            fee_name = category + '_fee'
217            amount = getattr(academic_session, fee_name, 0.0)
218
219
220        if amount in (0.0, None):
221            return _('Amount could not be determined.'), None
222        if self.samePaymentMade(student, category, p_item, p_session):
223            return _('This type of payment has already been made.'), None
224        if self._isPaymentDisabled(p_session, category, student):
225            return _('This category of payments has been disabled.'), None
226        payment = createObject(u'waeup.StudentOnlinePayment')
227        timestamp = ("%d" % int(time()*10000))[1:]
228        payment.p_id = "p%s" % timestamp
229        payment.p_category = category
230        payment.p_item = p_item
231        payment.p_session = p_session
232        payment.p_level = p_level
233        payment.p_current = p_current
234        payment.amount_auth = amount
235        return None, payment
236
237    def constructMatricNumber(self, student):
238        faccode = student.faccode
239        depcode = student.depcode
240        certcode = student.certcode
241        year = unicode(student.entry_session)[2:]
242        if not student.state in (PAID, ) or not student.is_fresh:
243            return _('Matriculation number cannot be set.'), None
244
245        # ESITM/ENG/MEC/11/5367
246        if student.current_mode == 'nd_ft':
247            next_integer = grok.getSite()['configuration'].next_matric_integer
248            if next_integer == 0:
249                return _('Matriculation number cannot be set.'), None
250            return None, "ESITM/%s/%s/%s/%05d" % (
251                faccode, depcode, year, next_integer)
252
253        # ESITM/ENG/MEC/HND/11/5367
254        if student.current_mode == 'hnd_ft':
255            next_integer = grok.getSite()['configuration'].next_matric_integer_2
256            if next_integer == 0:
257                return _('Matriculation number cannot be set.'), None
258            return None, "ESITM/%s/%s/HND/%s/%05d" % (
259                faccode, depcode, year, next_integer)
260
261        # ESITM/PT-ND/ENG/MEC/11/5367
262        if student.current_mode == 'nd_pt':
263            next_integer = grok.getSite()['configuration'].next_matric_integer_3
264            if next_integer == 0:
265                return _('Matriculation number cannot be set.'), None
266            return None, "ESITM/PT-ND/%s/%s/%s/%05d" % (
267                faccode, depcode, year, next_integer)
268
269        # ???
270        if student.current_mode == 'hnd_pt':
271            pass
272
273        return _('Matriculation number cannot be set.'), None
274
275    def getAccommodationDetails(self, student):
276        """Determine the accommodation data of a student.
277        """
278        d = {}
279        d['error'] = u''
280        hostels = grok.getSite()['hostels']
281        d['booking_session'] = hostels.accommodation_session
282        d['allowed_states'] = hostels.accommodation_states
283        d['startdate'] = hostels.startdate
284        d['enddate'] = hostels.enddate
285        d['expired'] = hostels.expired
286        # Determine bed type
287        studycourse = student['studycourse']
288        certificate = getattr(studycourse,'certificate',None)
289        entry_session = studycourse.entry_session
290        current_level = studycourse.current_level
291        if None in (entry_session, current_level, certificate):
292            return d
293        bt = 'all'
294        if student.sex == 'f':
295            sex = 'female'
296        else:
297            sex = 'male'
298        special_handling = 'regular'
299        d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
300        return d
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