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source: main/waeup.uniben/trunk/src/waeup/uniben/students/utils.py @ 15354

Last change on this file since 15354 was 15354, checked in by Henrik Bettermann, 6 years ago

Clinical students can also select a desired hostel.

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1	## $Id: utils.py 15354 2019-03-18 09:24:33Z 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	##
18	import grok
19	from time import time
20	from zope.component import createObject, getUtility
21	from waeup.kofa.interfaces import (IKofaUtils,
22	CLEARED, RETURNING, PAID, REGISTERED, VALIDATED)
23	from waeup.kofa.utils.helpers import to_timezone
24	from waeup.kofa.students.utils import trans
25	from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
26	from waeup.uniben.interfaces import MessageFactory as _
27
28	class 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	bsession = str(acc_details['booking_session'])
84	if bsession in student['accommodation'].keys() \
85	and not 'booking expired' in \
86	student['accommodation'][bsession].bed_coordinates:
87	return _('You already booked a bed space in '
88	'current accommodation session.')
89	return
90
91	def getAccommodationDetails(self, student):
92	"""Determine the accommodation data of a student.
93	"""
94	d = {}
95	d['error'] = u''
96	hostels = grok.getSite()['hostels']
97	d['booking_session'] = hostels.accommodation_session
98	d['allowed_states'] = hostels.accommodation_states
99	d['startdate'] = hostels.startdate
100	d['enddate'] = hostels.enddate
101	d['expired'] = hostels.expired
102	# Determine bed type
103	studycourse = student['studycourse']
104	certificate = getattr(studycourse,'certificate',None)
105	entry_session = studycourse.entry_session
106	current_level = studycourse.current_level
107	if None in (entry_session, current_level, certificate):
108	return d
109	if student.sex == 'f':
110	sex = 'female'
111	else:
112	sex = 'male'
113	if student.is_postgrad:
114	bt = 'all'
115	special_handling = 'pg'
116	else:
117	end_level = certificate.end_level
118	if current_level == 10:
119	bt = 'pr'
120	elif entry_session == grok.getSite()['hostels'].accommodation_session:
121	bt = 'fr'
122	elif current_level >= end_level:
123	bt = 'fi'
124	else:
125	bt = 're'
126	special_handling = 'regular'
127	desired_hostel = student['accommodation'].desired_hostel
128	if student.faccode in ('MED', 'DEN') and (
129	not desired_hostel or desired_hostel.startswith('clinical')):
130	special_handling = 'clinical'
131	elif student.certcode in ('BARTMAS', 'BARTTHR', 'BARTFAA',
132	'BAEDFAA', 'BSCEDECHED'):
133	special_handling = 'ekenwan'
134	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
135	return d
136
137	def _paymentMade(self, student, session):
138	if len(student['payments']):
139	for ticket in student['payments'].values():
140	if ticket.p_state == 'paid' and \
141	ticket.p_category == 'schoolfee' and \
142	ticket.p_session == session:
143	return True
144	return False
145
146	def _isPaymentDisabled(self, p_session, category, student):
147	academic_session = self._getSessionConfiguration(p_session)
148	if category == 'schoolfee':
149	if 'sf_all' in academic_session.payment_disabled:
150	return True
151	if student.current_mode == 'found' and \
152	'sf_found' in academic_session.payment_disabled:
153	return True
154	if student.is_postgrad:
155	if 'sf_pg' in academic_session.payment_disabled:
156	return True
157	return False
158	if student.current_mode.endswith('ft') and \
159	'sf_ft' in academic_session.payment_disabled:
160	return True
161	if student.current_mode.endswith('pt') and \
162	'sf_pt' in academic_session.payment_disabled:
163	return True
164	if student.current_mode.startswith('dp') and \
165	'sf_dp' in academic_session.payment_disabled:
166	return True
167	if student.current_mode.endswith('sw') and \
168	'sf_sw' in academic_session.payment_disabled:
169	return True
170	if category == 'hostel_maintenance' and \
171	'maint_all' in academic_session.payment_disabled:
172	return True
173	return False
174
175	#def _hostelApplicationPaymentMade(self, student, session):
176	# if len(student['payments']):
177	# for ticket in student['payments'].values():
178	# if ticket.p_state == 'paid' and \
179	# ticket.p_category == 'hostel_application' and \
180	# ticket.p_session == session:
181	# return True
182	# return False
183
184	def _pharmdInstallments(self, student):
185	installments = 0.0
186	if len(student['payments']):
187	for ticket in student['payments'].values():
188	if ticket.p_state == 'paid' and \
189	ticket.p_category.startswith('pharmd') and \
190	ticket.p_session == student.current_session:
191	installments += ticket.amount_auth
192	return installments
193
194	def samePaymentMade(self, student, category, p_item, p_session):
195	if category == 'bed_allocation':
196	return False
197	for key in student['payments'].keys():
198	ticket = student['payments'][key]
199	if ticket.p_state == 'paid' and\
200	ticket.p_category == category and \
201	ticket.p_item == p_item and \
202	ticket.p_session == p_session:
203	return True
204	return False
205
206	def setPaymentDetails(self, category, student,
207	previous_session, previous_level):
208	"""Create Payment object and set the payment data of a student for
209	the payment category specified.
210
211	"""
212	p_item = u''
213	amount = 0.0
214	if previous_session:
215	if previous_session < student['studycourse'].entry_session:
216	return _('The previous session must not fall below '
217	'your entry session.'), None
218	if category == 'schoolfee':
219	# School fee is always paid for the following session
220	if previous_session > student['studycourse'].current_session:
221	return _('This is not a previous session.'), None
222	else:
223	if previous_session > student['studycourse'].current_session - 1:
224	return _('This is not a previous session.'), None
225	p_session = previous_session
226	p_level = previous_level
227	p_current = False
228	else:
229	p_session = student['studycourse'].current_session
230	p_level = student['studycourse'].current_level
231	p_current = True
232	academic_session = self._getSessionConfiguration(p_session)
233	if academic_session == None:
234	return _(u'Session configuration object is not available.'), None
235	# Determine fee.
236	if category == 'transfer':
237	amount = academic_session.transfer_fee
238	elif category == 'transcript':
239	amount = academic_session.transcript_fee
240	elif category == 'gown':
241	amount = academic_session.gown_fee
242	elif category == 'jupeb':
243	amount = academic_session.jupeb_fee
244	elif category == 'clinexam':
245	amount = academic_session.clinexam_fee
246	elif category.startswith('pharmd') \
247	and student.current_mode == 'special_ft':
248	amount = 80000.0
249	#elif category == 'develop' and student.is_postgrad:
250	# amount = academic_session.development_fee
251	elif category == 'bed_allocation':
252	p_item = self.getAccommodationDetails(student)['bt']
253	desired_hostel = student['accommodation'].desired_hostel
254	if not desired_hostel:
255	return _(u'Select your favoured hostel first.'), None
256	if desired_hostel and desired_hostel != 'no':
257	p_item = u'%s (%s)' % (p_item, desired_hostel)
258	amount = academic_session.booking_fee
259	if student.is_postgrad:
260	amount += 500
261	elif category == 'hostel_maintenance':
262	amount = 0.0
263	bedticket = student['accommodation'].get(
264	str(student.current_session), None)
265	if bedticket is not None and bedticket.bed is not None:
266	p_item = bedticket.bed_coordinates
267	if bedticket.bed.__parent__.maint_fee > 0:
268	amount = bedticket.bed.__parent__.maint_fee
269	else:
270	# fallback
271	amount = academic_session.maint_fee
272	else:
273	return _(u'No bed allocated.'), None
274	#elif category == 'hostel_application':
275	# amount = 1000.0
276	#elif category.startswith('tempmaint'):
277	# if not self._hostelApplicationPaymentMade(
278	# student, student.current_session):
279	# return _(
280	# 'You have not yet paid the hostel application fee.'), None
281	# if category == 'tempmaint_1':
282	# amount = 8150.0
283	# elif category == 'tempmaint_2':
284	# amount = 12650.0
285	# elif category == 'tempmaint_3':
286	# amount = 9650.0
287	elif category == 'clearance':
288	p_item = student.certcode
289	if p_item is None:
290	return _('Study course data are incomplete.'), None
291	if student.is_jupeb:
292	amount = 50000.0
293	elif student.faccode.startswith('FCETA'):
294	# ASABA and AKOKA
295	amount = 35000.0
296	elif student.faccode == 'BMS':
297	#elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS',
298	# 'MBBSMED', 'MBBSNDU', 'BSCPTY', 'BSCPST'):
299	amount = 80000.0
300	else:
301	amount = 60000.0
302	elif category == 'schoolfee':
303	try:
304	certificate = student['studycourse'].certificate
305	p_item = certificate.code
306	except (AttributeError, TypeError):
307	return _('Study course data are incomplete.'), None
308	if previous_session:
309	# Students can pay for previous sessions in all workflow states.
310	# Fresh students are excluded by the update method of the
311	# PreviousPaymentAddFormPage.
312	if previous_session == student['studycourse'].entry_session:
313	if student.is_foreigner:
314	amount = getattr(certificate, 'school_fee_3', 0.0)
315	else:
316	amount = getattr(certificate, 'school_fee_1', 0.0)
317	else:
318	if student.is_foreigner:
319	amount = getattr(certificate, 'school_fee_4', 0.0)
320	else:
321	amount = getattr(certificate, 'school_fee_2', 0.0)
322	# Old returning students might get a discount.
323	if student.entry_session < 2017 \
324	and certificate.custom_float_1:
325	amount -= certificate.custom_float_1
326	else:
327	if student.state == CLEARED:
328	if student.is_foreigner:
329	amount = getattr(certificate, 'school_fee_3', 0.0)
330	else:
331	amount = getattr(certificate, 'school_fee_1', 0.0)
332	elif student.state == PAID and student.is_postgrad:
333	p_session += 1
334	academic_session = self._getSessionConfiguration(p_session)
335	if academic_session == None:
336	return _(u'Session configuration object is not available.'), None
337
338	# Students are only allowed to pay for the next session
339	# if current session payment
340	# has really been made, i.e. payment object exists.
341	#if not self._paymentMade(
342	# student, student.current_session):
343	# return _('You have not yet paid your current/active' +
344	# ' session. Please use the previous session' +
345	# ' payment form first.'), None
346
347	if student.is_foreigner:
348	amount = getattr(certificate, 'school_fee_4', 0.0)
349	else:
350	amount = getattr(certificate, 'school_fee_2', 0.0)
351	elif student.state == RETURNING:
352	# In case of returning school fee payment the payment session
353	# and level contain the values of the session the student
354	# has paid for.
355	p_session, p_level = self.getReturningData(student)
356	academic_session = self._getSessionConfiguration(p_session)
357	if academic_session == None:
358	return _(u'Session configuration object is not available.'), None
359
360	# Students are only allowed to pay for the next session
361	# if current session payment has really been made,
362	# i.e. payment object exists and is paid.
363	#if not self._paymentMade(
364	# student, student.current_session):
365	# return _('You have not yet paid your current/active' +
366	# ' session. Please use the previous session' +
367	# ' payment form first.'), None
368
369	if student.is_foreigner:
370	amount = getattr(certificate, 'school_fee_4', 0.0)
371	else:
372	amount = getattr(certificate, 'school_fee_2', 0.0)
373	# Old returning students might get a discount.
374	if student.entry_session < 2017 \
375	and certificate.custom_float_1:
376	amount -= certificate.custom_float_1
377	# PHARMD school fee amount is fixed and previously paid
378	# installments in current session are deducted.
379	if student.current_mode == 'special_ft':
380	amount = 160000.0 - self._pharmdInstallments(student)
381	# Give 50% school fee discount to staff members.
382	if student.is_staff:
383	amount /= 2
384	if amount in (0.0, None):
385	return _('Amount could not be determined.'), None
386	# Add session specific penalty fee.
387	if category == 'schoolfee' and student.is_postgrad:
388	amount += academic_session.penalty_pg
389	amount += academic_session.development_fee
390	elif category == 'schoolfee' and student.current_mode == ('ug_ft'):
391	amount += academic_session.penalty_ug_ft
392	elif category == 'schoolfee' and student.current_mode == ('ug_pt'):
393	amount += academic_session.penalty_ug_pt
394	elif category == 'schoolfee' and student.current_mode == ('ug_sw'):
395	amount += academic_session.penalty_sw
396	elif category == 'schoolfee' and student.current_mode in (
397	'dp_ft', 'dp_pt'):
398	amount += academic_session.penalty_dp
399	if category.startswith('tempmaint'):
400	p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category]
401	p_item = unicode(p_item)
402	# Now we change the category because tempmaint payments
403	# will be obsolete when Uniben returns to Kofa bed allocation.
404	category = 'hostel_maintenance'
405	# Create ticket.
406	if self.samePaymentMade(student, category, p_item, p_session):
407	return _('This type of payment has already been made.'), None
408	if self._isPaymentDisabled(p_session, category, student):
409	return _('This category of payments has been disabled.'), None
410	payment = createObject(u'waeup.StudentOnlinePayment')
411	timestamp = ("%d" % int(time()*10000))[1:]
412	payment.p_id = "p%s" % timestamp
413	payment.p_category = category
414	payment.p_item = p_item
415	payment.p_session = p_session
416	payment.p_level = p_level
417	payment.p_current = p_current
418	payment.amount_auth = amount
419	return None, payment
420
421	def warnCreditsOOR(self, studylevel, course=None):
422	studycourse = studylevel.__parent__
423	certificate = getattr(studycourse,'certificate', None)
424	current_level = studycourse.current_level
425	if None in (current_level, certificate):
426	return
427	end_level = certificate.end_level
428	if current_level >= end_level:
429	limit = 51
430	else:
431	limit = 50
432	if course and studylevel.total_credits + course.credits > limit:
433	return _('Maximum credits exceeded.')
434	elif studylevel.total_credits > limit:
435	return _('Maximum credits exceeded.')
436	return
437
438	def clearance_disabled_message(self, student):
439	if student.is_postgrad:
440	return None
441	try:
442	session_config = grok.getSite()[
443	'configuration'][str(student.current_session)]
444	except KeyError:
445	return _('Session configuration object is not available.')
446	if not session_config.clearance_enabled:
447	return _('Clearance is disabled for this session.')
448	return None
449
450	#: A tuple containing the names of registration states in which changing of
451	#: passport pictures is allowed.
452	PORTRAIT_CHANGE_STATES = ()
453
454	# Uniben prefix
455	STUDENT_ID_PREFIX = u'B'

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