source: main/kofacustom.unidel/trunk/src/kofacustom/unidel/students/utils.py @ 17278

Last change on this file since 17278 was 17278, checked in by Henrik Bettermann, 21 months ago

Add IJMB IJMB (Foundation Programme) .
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1## $Id: utils.py 17278 2023-01-13 08:31:28Z 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 kofacustom.nigeria.students.utils import NigeriaStudentsUtils
24from kofacustom.unidel.interfaces import MessageFactory as _
25
26def local(student):
27    lga = getattr(student, 'lga')
28    if lga and lga.startswith('delta'):
29        return True
30    return False
31
32class CustomStudentsUtils(NigeriaStudentsUtils):
33    """A collection of customized methods.
34
35    """
36
37    # refix
38    STUDENT_ID_PREFIX = u'D'
39
40    def _clearancePaymentMade(self, student):
41        if len(student['payments']):
42            for ticket in student['payments'].values():
43                if ticket.p_state == 'paid' and \
44                    ticket.p_category == 'clearance':
45                    return True
46        return False
47
48    def setPaymentDetails(self, category, student,
49            previous_session=None, previous_level=None, combi=[]):
50        """Create a payment ticket and set the payment data of a
51        student for the payment category specified.
52        """
53        p_item = u''
54        amount = 0.0
55        if previous_session:
56            if previous_session < student['studycourse'].entry_session:
57                return _('The previous session must not fall below '
58                         'your entry session.'), None
59            if category == 'schoolfee':
60                # School fee is always paid for the following session
61                if previous_session > student['studycourse'].current_session:
62                    return _('This is not a previous session.'), None
63            else:
64                if previous_session > student['studycourse'].current_session - 1:
65                    return _('This is not a previous session.'), None
66            p_session = previous_session
67            p_level = previous_level
68            p_current = False
69        else:
70            p_session = student['studycourse'].current_session
71            p_level = student['studycourse'].current_level
72            p_current = True
73        academic_session = self._getSessionConfiguration(p_session)
74        if academic_session == None:
75            return _(u'Session configuration object is not available.'), None
76        # Determine fee.
77        if category == 'schoolfee':
78            try:
79                certificate = student['studycourse'].certificate
80                p_item = certificate.code
81            except (AttributeError, TypeError):
82                return _('Study course data are incomplete.'), None
83            if previous_session:
84                # Students can pay for previous sessions in all
85                # workflow states.  Fresh students are excluded by the
86                # update method of the PreviousPaymentAddFormPage.
87                if previous_level == 100:
88                    amount = getattr(certificate, 'school_fee_1', 0.0)
89                else:
90                    amount = getattr(certificate, 'school_fee_2', 0.0)
91            else:
92                if student.faccode == 'JUPEB':
93                    if not self._clearancePaymentMade(student):
94                        return _(u'Acceptance fee must be paid first.'), None
95                if student.state == CLEARED:
96                    amount = getattr(certificate, 'school_fee_1', 0.0)
97                elif student.state == RETURNING:
98                    # In case of returning school fee payment the
99                    # payment session and level contain the values of
100                    # the session the student has paid for. Payment
101                    # session is always next session.
102                    p_session, p_level = self.getReturningData(student)
103                    academic_session = self._getSessionConfiguration(p_session)
104                    if academic_session == None:
105                        return _(
106                            u'Session configuration object is not available.'
107                            ), None
108                    amount = getattr(certificate, 'school_fee_2', 0.0)
109                elif student.is_postgrad and student.state == PAID:
110                    # Returning postgraduate students also pay for the
111                    # next session but their level always remains the
112                    # same.
113                    p_session += 1
114                    academic_session = self._getSessionConfiguration(p_session)
115                    if academic_session == None:
116                        return _(
117                            u'Session configuration object is not available.'
118                            ), None
119                    amount = getattr(certificate, 'school_fee_2', 0.0)
120            if amount and not local(student) and not student.faccode in ('PRE', 'JUPEB'):
121                amount += 40000
122        elif category == 'clearance':
123            try:
124                p_item = student['studycourse'].certificate.code
125            except (AttributeError, TypeError):
126                return _('Study course data are incomplete.'), None
127            amount = academic_session.clearance_fee
128            if local(student):
129                amount *= 2.0
130            else:
131                amount *= 2.4
132            if student.faccode == 'PRE':
133                amount = 20000.0
134            if student.faccode == 'JUPEB':
135                amount = 25000.0
136        elif category == 'bed_allocation':
137            acco_details = self.getAccommodationDetails(student)
138            p_session = acco_details['booking_session']
139            p_item = acco_details['bt']
140            amount = academic_session.booking_fee
141        elif category == 'hostel_maintenance':
142            amount = 0.0
143            booking_session = grok.getSite()['hostels'].accommodation_session
144            bedticket = student['accommodation'].get(str(booking_session), None)
145            if bedticket is not None and bedticket.bed is not None:
146                p_session = booking_session
147                p_item = bedticket.bed_coordinates
148                if bedticket.bed.__parent__.maint_fee > 0:
149                    amount = bedticket.bed.__parent__.maint_fee
150                else:
151                    # fallback
152                    amount = academic_session.maint_fee
153            else:
154                return _(u'No bed allocated.'), None
155        elif category == 'combi' and combi:
156            categories = getUtility(IKofaUtils).COMBI_PAYMENT_CATEGORIES
157            for cat in combi:
158                fee_name = cat + '_fee'
159                cat_amount = getattr(academic_session, fee_name, 0.0)
160                if not cat_amount:
161                    return _('%s undefined.' % categories[cat]), None
162                amount += cat_amount
163                p_item += u'%s + ' % categories[cat]
164            p_item = p_item.strip(' + ')
165        else:
166            fee_name = category + '_fee'
167            amount = getattr(academic_session, fee_name, 0.0)
168        if category != 'bed_allocation' and amount in (0.0, None):
169            return _('Amount could not be determined.'), None
170        if self.samePaymentMade(student, category, p_item, p_session):
171            return _('This type of payment has already been made.'), None
172        if self._isPaymentDisabled(p_session, category, student):
173            return _('This category of payments has been disabled.'), None
174        payment = createObject(u'waeup.StudentOnlinePayment')
175        timestamp = ("%d" % int(time()*10000))[1:]
176        payment.p_id = "p%s" % timestamp
177        payment.p_category = category
178        payment.p_item = p_item
179        payment.p_session = p_session
180        payment.p_level = p_level
181        payment.p_current = p_current
182        payment.amount_auth = amount
183        payment.p_combi = combi
184        return None, payment
185
186    def getAccommodationDetails(self, student):
187        """Determine the accommodation data of a student.
188        """
189        d = {}
190        d['error'] = u''
191        hostels = grok.getSite()['hostels']
192        d['booking_session'] = hostels.accommodation_session
193        d['allowed_states'] = hostels.accommodation_states
194        d['startdate'] = hostels.startdate
195        d['enddate'] = hostels.enddate
196        d['expired'] = hostels.expired
197        # Determine bed type
198        bt = 'all'
199        if student.sex == 'f':
200            sex = 'female'
201        else:
202            sex = 'male'
203        special_handling = 'regular'
204        d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
205        return d
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