source: main/kofacustom.coewarri/trunk/src/kofacustom/coewarri/students/utils.py @ 14395

Last change on this file since 14395 was 14347, checked in by Henrik Bettermann, 8 years ago

Disable previous session payments.
  • Property svn:keywords set to Id
File size: 6.5 KB
Line 
1## $Id: utils.py 14347 2016-12-15 16:28:49Z 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
19from zope.component import createObject, getUtility
20from waeup.kofa.fees import FeeTable
21from waeup.kofa.interfaces import (IKofaUtils,
22    ADMITTED, CLEARED, RETURNING, PAID, REGISTERED, VALIDATED)
23from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
24from kofacustom.coewarri.interfaces import MessageFactory as _
25from kofacustom.coewarri.interswitch.browser import GATEWAY_AMT
26
27
28def local_nonlocal(student):
29    lga = getattr(student, 'lga')
30    if lga and lga.startswith('delta'):
31        return 'local'
32    else:
33        return 'non-local'
34
35PAYMENT_LEVELS = (100, 110, 200, 210, 300, 310, 400, 410, 500, 999)
36
37FEES_PARAMS = (
38        ('local', 'non-local'),
39        ('nce_ft', 'nce_pt', 'ug_ft'),
40        PAYMENT_LEVELS
41    )
42
43FEES_VALUES = (
44      ( # 100      110      200      210      300      310      400      410     500  999
45        (42000.0, 42000.0, 20600.0, 20600.0, 18100.0, 18100.0,     0.0,     0.0, 0.0, 0.0), # nce_ft
46        (55200.0, 55200.0, 42200.0, 42200.0, 44700.0, 44700.0, 42200.0, 42200.0, 0.0, 0.0), # nce_pt
47        (69200.0, 69200.0, 63100.0, 63100.0, 63100.0, 63100.0, 62100.0, 62100.0, 0.0, 0.0), # ug_ft
48      ), # local
49      ( #
50        (54600.0, 54600.0, 22600.0, 22600.0, 20100.0, 20100.0,     0.0,     0.0, 0.0, 0.0), # nce_ft
51        (55200.0, 55200.0, 42200.0, 42200.0, 44700.0, 44700.0, 42200.0, 42200.0, 0.0, 0.0), # nce_pt
52        (79200.0, 79200.0, 63100.0, 63100.0, 63100.0, 63100.0, 62100.0, 62100.0, 0.0, 0.0), # ug_ft
53      ), # non-local
54    )
55
56SCHOOL_FEES = FeeTable(FEES_PARAMS, FEES_VALUES)
57
58class CustomStudentsUtils(NigeriaStudentsUtils):
59    """A collection of customized methods.
60
61    """
62
63    def setPaymentDetails(self, category, student,
64            previous_session=None, previous_level=None):
65        """Create a payment ticket and set the payment data of a
66        student for the payment category specified.
67        """
68        p_item = u''
69        amount = 0.0
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 previous_session:
75            return _('Previous session payment not yet implemented.'), None
76        if academic_session == None:
77            return _(u'Session configuration object is not available.'), None
78        # Determine fee.
79        if category.startswith('schoolfee'):
80            try:
81                certificate = student['studycourse'].certificate
82                p_item = certificate.code
83            except (AttributeError, TypeError):
84                return _('Study course data are incomplete.'), None
85            if student.state == RETURNING:
86                # Override p_session and p_level
87                p_session, p_level = self.getReturningData(student)
88                academic_session = self._getSessionConfiguration(p_session)
89                if academic_session == None:
90                    return _(u'Session configuration object '
91                              'is not available.'), None
92            if p_level in PAYMENT_LEVELS:
93                amount = SCHOOL_FEES.get_fee(
94                    (
95                     local_nonlocal(student),
96                     student.current_mode,
97                     p_level)
98                    )
99            if amount and category in ('schoolfee_1', 'schoolfee_2'):
100                amount /= 2
101            if amount:
102                amount += GATEWAY_AMT
103        elif category == 'clearance':
104            try:
105                p_item = student['studycourse'].certificate.code
106            except (AttributeError, TypeError):
107                return _('Study course data are incomplete.'), None
108            amount = academic_session.clearance_fee
109            if local_nonlocal(student) == 'non-local':
110                amount += 5000.0
111        elif category == 'bed_allocation':
112            p_item = self.getAccommodationDetails(student)['bt']
113            amount = academic_session.booking_fee
114        elif category == 'hostel_maintenance':
115            amount = 0.0
116            bedticket = student['accommodation'].get(
117                str(student.current_session), None)
118            if bedticket is not None and bedticket.bed is not None:
119                p_item = bedticket.bed_coordinates
120                if bedticket.bed.__parent__.maint_fee > 0:
121                    amount = bedticket.bed.__parent__.maint_fee
122                else:
123                    # fallback
124                    amount = academic_session.maint_fee
125            else:
126                return _(u'No bed allocated.'), None
127        elif category == 'transcript':
128            amount = academic_session.transcript_fee
129        elif category == 'transfer':
130            amount = academic_session.transfer_fee
131        elif category == 'late_registration':
132            amount = academic_session.late_registration_fee
133        if amount in (0.0, None):
134            return _('Amount could not be determined.'), None
135        if self.samePaymentMade(student, category, p_item, p_session):
136            return _('This type of payment has already been made.'), None
137        if self._isPaymentDisabled(p_session, category, student):
138            return _('This category of payments has been disabled.'), None
139        payment = createObject(u'waeup.StudentOnlinePayment')
140        timestamp = ("%d" % int(time()*10000))[1:]
141        payment.p_id = "p%s" % timestamp
142        payment.p_category = category
143        payment.p_item = p_item
144        payment.p_session = p_session
145        payment.p_level = p_level
146        payment.p_current = p_current
147        payment.amount_auth = amount
148        return None, payment
149
150    # prefix
151    STUDENT_ID_PREFIX = u'R'
152
153    PORTRAIT_CHANGE_STATES = (
154        ADMITTED, CLEARED, RETURNING, PAID, REGISTERED, VALIDATED)
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