source: main/waeup.aaue/trunk/src/waeup/aaue/students/utils.py @ 14195

Last change on this file since 14195 was 14160, checked in by Henrik Bettermann, 8 years ago

Customize getDegreeClassNumbe.
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1## $Id: utils.py 14160 2016-09-05 08:41:20Z 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
21from waeup.kofa.interfaces import (
22    ADMITTED, CLEARANCE, REQUESTED, CLEARED, RETURNING, PAID,
23    academic_sessions_vocab)
24from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
25from waeup.kofa.accesscodes import create_accesscode
26from waeup.kofa.students.utils import trans
27from waeup.aaue.interswitch.browser import gateway_net_amt, GATEWAY_AMT
28from waeup.aaue.interfaces import MessageFactory as _
29
30class CustomStudentsUtils(NigeriaStudentsUtils):
31    """A collection of customized methods.
32
33    """
34
35    PORTRAIT_CHANGE_STATES = (ADMITTED, RETURNING)
36
37    gpa_boundaries = ((1, 'FRNS'),
38                      (1.5, 'Pass'),
39                      (2.4, '3rd Class Honours'),
40                      (3.5, '2nd Class Honours Lower Division'),
41                      (4.5, '2nd Class Honours Upper Division'),
42                      (5, '1st Class Honours'))
43
44    def getDegreeClassNumber(self, level_obj):
45        certificate = getattr(level_obj.__parent__,'certificate',None)
46        end_level = getattr(certificate, 'end_level', None)
47        if end_level and level_obj.student.current_level >= end_level:
48            failed_courses = level_obj.passed_params[4]
49            if '_m' in failed_courses:
50                return 0
51        # use gpa_boundaries above
52        return self.getClassFromCGPA(level_obj.cumulative_params[0])[0]
53
54    def increaseMatricInteger(self, student):
55        """Increase counter for matric numbers.
56        This counter can be a centrally stored attribute or an attribute of
57        faculties, departments or certificates. In the base package the counter
58        is as an attribute of the site configuration container.
59        """
60        if student.current_mode in ('ug_pt', 'de_pt'):
61            grok.getSite()['configuration'].next_matric_integer += 1
62            return
63        elif student.is_postgrad:
64            grok.getSite()['configuration'].next_matric_integer_3 += 1
65            return
66        elif student.current_mode in ('dp_ft',):
67            grok.getSite()['configuration'].next_matric_integer_4 += 1
68            return
69        grok.getSite()['configuration'].next_matric_integer_2 += 1
70        return
71
72    def _concessionalPaymentMade(self, student):
73        if len(student['payments']):
74            for ticket in student['payments'].values():
75                if ticket.p_state == 'paid' and \
76                    ticket.p_category == 'concessional':
77                    return True
78        return False
79
80    def constructMatricNumber(self, student):
81        faccode = student.faccode
82        depcode = student.depcode
83        certcode = student.certcode
84        degree = getattr(
85            getattr(student.get('studycourse', None), 'certificate', None),
86                'degree', None)
87        year = unicode(student.entry_session)[2:]
88        if not student.state in (PAID, ) or not student.is_fresh or \
89            student.current_mode == 'found':
90            return _('Matriculation number cannot be set.'), None
91        #if student.current_mode not in ('mug_ft', 'mde_ft') and \
92        #    not self._concessionalPaymentMade(student):
93        #    return _('Matriculation number cannot be set.'), None
94        if student.is_postgrad:
95            next_integer = grok.getSite()['configuration'].next_matric_integer_3
96            if not degree or next_integer == 0:
97                return _('Matriculation number cannot be set.'), None
98            if student.faccode in ('IOE'):
99                return None, "AAU/SPS/%s/%s/%s/%05d" % (
100                    faccode, year, degree, next_integer)
101            return None, "AAU/SPS/%s/%s/%s/%s/%05d" % (
102                faccode, depcode, year, degree, next_integer)
103        if student.current_mode in ('ug_pt', 'de_pt'):
104            next_integer = grok.getSite()['configuration'].next_matric_integer
105            if next_integer == 0:
106                return _('Matriculation number cannot be set.'), None
107            return None, "PTP/%s/%s/%s/%05d" % (
108                faccode, depcode, year, next_integer)
109        if student.current_mode in ('dp_ft',):
110            next_integer = grok.getSite()['configuration'].next_matric_integer_4
111            if next_integer == 0:
112                return _('Matriculation number cannot be set.'), None
113            return None, "IOE/DIP/%s/%05d" % (year, next_integer)
114        next_integer = grok.getSite()['configuration'].next_matric_integer_2
115        if next_integer == 0:
116            return _('Matriculation number cannot be set.'), None
117        if student.faccode in ('FBM', 'FCS'):
118            return None, "CMS/%s/%s/%s/%05d" % (
119                faccode, depcode, year, next_integer)
120        return None, "%s/%s/%s/%05d" % (faccode, depcode, year, next_integer)
121
122    def getReturningData(self, student):
123        """ This method defines what happens after school fee payment
124        of returning students depending on the student's senate verdict.
125        """
126        prev_level = student['studycourse'].current_level
127        cur_verdict = student['studycourse'].current_verdict
128        if cur_verdict in ('A','B','C', 'L','M','N','Z',):
129            # Successful student
130            new_level = divmod(int(prev_level),100)[0]*100 + 100
131        #elif cur_verdict == 'C':
132        #    # Student on probation
133        #    new_level = int(prev_level) + 10
134        else:
135            # Student is somehow in an undefined state.
136            # Level has to be set manually.
137            new_level = prev_level
138        new_session = student['studycourse'].current_session + 1
139        return new_session, new_level
140
141    def _isPaymentDisabled(self, p_session, category, student):
142        academic_session = self._getSessionConfiguration(p_session)
143        if category.startswith('schoolfee') and \
144            'sf_all' in academic_session.payment_disabled:
145            return True
146        if category.startswith('clearance') and \
147            'cl_regular' in academic_session.payment_disabled and \
148            student.current_mode in ('ug_ft', 'de_ft', 'mug_ft', 'mde_ft'):
149            return True
150        if category == 'hostel_maintenance' and \
151            'maint_all' in academic_session.payment_disabled:
152            return True
153        return False
154
155    def setPaymentDetails(self, category, student,
156            previous_session=None, previous_level=None):
157        """Create Payment object and set the payment data of a student for
158        the payment category specified.
159
160        """
161        details = {}
162        p_item = u''
163        amount = 0.0
164        error = u''
165        if previous_session:
166            return _('Previous session payment not yet implemented.'), None
167        p_session = student['studycourse'].current_session
168        p_level = student['studycourse'].current_level
169        p_current = True
170        academic_session = self._getSessionConfiguration(p_session)
171        if academic_session == None:
172            return _(u'Session configuration object is not available.'), None
173        # Determine fee.
174        if category == 'transfer':
175            amount = academic_session.transfer_fee
176        elif category == 'transcript':
177            amount = academic_session.transcript_fee
178        elif category == 'bed_allocation':
179            amount = academic_session.booking_fee
180        elif category == 'hostel_maintenance':
181            amount = 0.0
182            bedticket = student['accommodation'].get(
183                str(student.current_session), None)
184            if bedticket is not None and bedticket.bed is not None:
185                p_item = bedticket.display_coordinates
186                if bedticket.bed.__parent__.maint_fee > 0:
187                    amount = bedticket.bed.__parent__.maint_fee
188                else:
189                    # fallback
190                    amount = academic_session.maint_fee
191            else:
192                return _(u'No bed allocated.'), None
193        elif category == 'welfare' and not student.is_postgrad:
194            amount = academic_session.welfare_fee
195        elif category == 'union' and not student.is_postgrad:
196            amount = academic_session.union_fee
197        elif category == 'lapel' and not student.is_postgrad:
198            amount = academic_session.lapel_fee
199        elif category == 'matric_gown' and not student.is_postgrad:
200            amount = academic_session.matric_gown_fee
201        elif category == 'concessional' and not student.is_postgrad:
202            amount = academic_session.concessional_fee
203        elif student.current_mode == 'found' and category not in (
204            'schoolfee', 'clearance', 'late_registration'):
205            return _('Not allowed.'), None
206        elif category.startswith('clearance'):
207            if student.state not in (ADMITTED, CLEARANCE, REQUESTED, CLEARED):
208                return _(u'Acceptance Fee payments not allowed.'), None
209            if student.current_mode in (
210                'ug_ft', 'ug_pt', 'de_ft', 'de_pt',
211                'transfer', 'mug_ft', 'mde_ft') \
212                and category != 'clearance_incl':
213                    return _("Additional fees must be included."), None
214            if student.faccode == 'FP':
215                amount = academic_session.clearance_fee_fp
216            elif student.current_mode.endswith('_pt'):
217                if student.is_postgrad:
218                    amount = academic_session.clearance_fee_pg_pt
219                else:
220                    amount = academic_session.clearance_fee_ug_pt
221            elif student.faccode == 'FCS':
222                # Students in clinical medical sciences pay the medical
223                # acceptance fee
224                amount = academic_session.clearance_fee_med
225            elif student.is_postgrad:  # and not part-time
226                if category != 'clearance':
227                    return _("No additional fees required."), None
228                amount = academic_session.clearance_fee_pg
229            else:
230                amount = academic_session.clearance_fee
231            p_item = student['studycourse'].certificate.code
232            if amount in (0.0, None):
233                return _(u'Amount could not be determined.'), None
234            # Add Matric Gown Fee and Lapel Fee
235            if category == 'clearance_incl':
236                amount += gateway_net_amt(academic_session.matric_gown_fee) + \
237                    gateway_net_amt(academic_session.lapel_fee)
238        elif category == 'late_registration':
239            if student.is_postgrad:
240                amount = academic_session.late_pg_registration_fee
241            else:
242                amount = academic_session.late_registration_fee
243        elif category.startswith('schoolfee'):
244            try:
245                certificate = student['studycourse'].certificate
246                p_item = certificate.code
247            except (AttributeError, TypeError):
248                return _('Study course data are incomplete.'), None
249            if student.is_postgrad and category != 'schoolfee':
250                return _("No additional fees required."), None
251            if student.current_mode in (
252                'ug_ft', 'ug_pt', 'de_ft', 'de_pt',
253                'transfer', 'mug_ft', 'mde_ft') \
254                and not category in (
255                'schoolfee_incl', 'schoolfee_1', 'schoolfee_2'):
256                    return _("You must chose a payment which includes "
257                             "additional fees."), None
258            if category in ('schoolfee_1', 'schoolfee_2'):
259                if student.current_mode == 'ug_pt':
260                    return _("Part-time students are not allowed "
261                             "to pay by instalments."), None
262                if category == 'schoolfee_1' and student.state != CLEARED:
263                    return _("Wrong state. Only students in state 'cleared' "
264                             "are allowed to pay by instalments."), None
265                if category == 'schoolfee_2' and not student.is_fresh:
266                    return _("Only new students "
267                             "are allowed to pay by instalments."), None
268            if student.state == CLEARED or category == 'schoolfee_2':
269                if student.is_foreigner:
270                    amount = getattr(certificate, 'school_fee_3', 0.0)
271                else:
272                    amount = getattr(certificate, 'school_fee_1', 0.0)
273                # Cut school fee by 50%
274                if category in ('schoolfee_1', 'schoolfee_2'):
275                    if amount:
276                        amount = gateway_net_amt(amount) / 2 + GATEWAY_AMT
277            elif student.state == RETURNING:
278                if not student.father_name:
279                    return _("Personal data form is not properly filled."), None
280                # In case of returning school fee payment the payment session
281                # and level contain the values of the session the student
282                # has paid for.
283                p_session, p_level = self.getReturningData(student)
284                try:
285                    academic_session = grok.getSite()[
286                        'configuration'][str(p_session)]
287                except KeyError:
288                    return _(u'Session configuration object is not available.'), None
289                if student.is_foreigner:
290                    amount = getattr(certificate, 'school_fee_4', 0.0)
291                else:
292                    amount = getattr(certificate, 'school_fee_2', 0.0)
293            else:
294                return _('Wrong state.'), None
295            if amount in (0.0, None):
296                return _(u'Amount could not be determined.'), None
297            # Add Student Union Fee and Welfare Assurance
298            if category in ('schoolfee_incl', 'schoolfee_1'):
299                amount += gateway_net_amt(academic_session.welfare_fee) + \
300                    gateway_net_amt(academic_session.union_fee)
301            # Add non-indigenous fee and session specific penalty fees
302            if student.is_postgrad:
303                amount += academic_session.penalty_pg
304                if not student.lga.startswith('edo'):
305                    amount += 20000.0
306            else:
307                amount += academic_session.penalty_ug
308        if amount in (0.0, None):
309            return _(u'Amount could not be determined.'), None
310        # Create ticket.
311        for key in student['payments'].keys():
312            ticket = student['payments'][key]
313            if ticket.p_state == 'paid' and\
314               ticket.p_category == category and \
315               ticket.p_item == p_item and \
316               ticket.p_session == p_session:
317                  return _('This type of payment has already been made.'), None
318            # Additional condition in AAUE
319            if category in ('schoolfee', 'schoolfee_incl', 'schoolfee_1'):
320                if ticket.p_state == 'paid' and \
321                   ticket.p_category in ('schoolfee',
322                                         'schoolfee_incl',
323                                         'schoolfee_1') and \
324                   ticket.p_item == p_item and \
325                   ticket.p_session == p_session:
326                      return _(
327                          'Another school fee payment for this '
328                          'session has already been made.'), None
329
330        if self._isPaymentDisabled(p_session, category, student):
331            return _('This category of payments has been disabled.'), None
332        payment = createObject(u'waeup.StudentOnlinePayment')
333        timestamp = ("%d" % int(time()*10000))[1:]
334        payment.p_id = "p%s" % timestamp
335        payment.p_category = category
336        payment.p_item = p_item
337        payment.p_session = p_session
338        payment.p_level = p_level
339        payment.p_current = p_current
340        payment.amount_auth = amount
341        return None, payment
342
343    def _admissionText(self, student, portal_language):
344        inst_name = grok.getSite()['configuration'].name
345        entry_session = student['studycourse'].entry_session
346        entry_session = academic_sessions_vocab.getTerm(entry_session).title
347        text = trans(_(
348            'This is to inform you that you have been offered provisional'
349            ' admission into ${a} for the ${b} academic session as follows:',
350            mapping = {'a': inst_name, 'b': entry_session}),
351            portal_language)
352        return text
353
354    def maxCredits(self, studylevel):
355        """Return maximum credits.
356
357        """
358        return 48
359
360    def getBedCoordinates(self, bedticket):
361        """Return descriptive bed coordinates.
362        This method can be used to customize the `display_coordinates`
363        property method in order to  display a
364        customary description of the bed space.
365        """
366        bc = bedticket.bed_coordinates.split(',')
367        if len(bc) == 4:
368            return bc[0]
369        return bedticket.bed_coordinates
370
371    def getAccommodationDetails(self, student):
372        """Determine the accommodation data of a student.
373        """
374        d = {}
375        d['error'] = u''
376        hostels = grok.getSite()['hostels']
377        d['booking_session'] = hostels.accommodation_session
378        d['allowed_states'] = hostels.accommodation_states
379        d['startdate'] = hostels.startdate
380        d['enddate'] = hostels.enddate
381        d['expired'] = hostels.expired
382        # Determine bed type
383        bt = 'all'
384        if student.sex == 'f':
385            sex = 'female'
386        else:
387            sex = 'male'
388        special_handling = 'regular'
389        d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
390        return d
391
392    def checkAccommodationRequirements(self, student, acc_details):
393        super(CustomStudentsUtils, self).checkAccommodationRequirements(
394            student, acc_details)
395        if student.current_mode not in ('ug_ft', 'de_ft', 'mug_ft', 'mde_ft'):
396            return _('You are not eligible to book accommodation.')
397        return
398
399    # AAUE prefix
400    STUDENT_ID_PREFIX = u'E'
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