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source: main/waeup.uniben/trunk/src/waeup/uniben/students/utils.py @ 15308

Last change on this file since 15308 was 15307, checked in by Henrik Bettermann, 6 years ago
Allow hostel booking if current session bed ticket has expired.
Property svn:keywords set to `Id`
File size: 19.8 KB

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1	## $Id: utils.py 15307 2019-01-28 11:19:24Z 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	if student.faccode in ('MED', 'DEN'):
128	special_handling = 'clinical'
129	elif student.certcode in ('BARTMAS', 'BARTTHR', 'BARTFAA',
130	'BAEDFAA', 'BSCEDECHED'):
131	special_handling = 'ekenwan'
132	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
133	return d
134
135	def _paymentMade(self, student, session):
136	if len(student['payments']):
137	for ticket in student['payments'].values():
138	if ticket.p_state == 'paid' and \
139	ticket.p_category == 'schoolfee' and \
140	ticket.p_session == session:
141	return True
142	return False
143
144	def _isPaymentDisabled(self, p_session, category, student):
145	academic_session = self._getSessionConfiguration(p_session)
146	if category == 'schoolfee':
147	if 'sf_all' in academic_session.payment_disabled:
148	return True
149	if student.current_mode == 'found' and \
150	'sf_found' in academic_session.payment_disabled:
151	return True
152	if student.is_postgrad:
153	if 'sf_pg' in academic_session.payment_disabled:
154	return True
155	return False
156	if student.current_mode.endswith('ft') and \
157	'sf_ft' in academic_session.payment_disabled:
158	return True
159	if student.current_mode.endswith('pt') and \
160	'sf_pt' in academic_session.payment_disabled:
161	return True
162	if student.current_mode.startswith('dp') and \
163	'sf_dp' in academic_session.payment_disabled:
164	return True
165	if student.current_mode.endswith('sw') and \
166	'sf_sw' in academic_session.payment_disabled:
167	return True
168	if category == 'hostel_maintenance' and \
169	'maint_all' in academic_session.payment_disabled:
170	return True
171	return False
172
173	#def _hostelApplicationPaymentMade(self, student, session):
174	# if len(student['payments']):
175	# for ticket in student['payments'].values():
176	# if ticket.p_state == 'paid' and \
177	# ticket.p_category == 'hostel_application' and \
178	# ticket.p_session == session:
179	# return True
180	# return False
181
182	def _pharmdInstallments(self, student):
183	installments = 0.0
184	if len(student['payments']):
185	for ticket in student['payments'].values():
186	if ticket.p_state == 'paid' and \
187	ticket.p_category.startswith('pharmd') and \
188	ticket.p_session == student.current_session:
189	installments += ticket.amount_auth
190	return installments
191
192	def setPaymentDetails(self, category, student,
193	previous_session, previous_level):
194	"""Create Payment object and set the payment data of a student for
195	the payment category specified.
196
197	"""
198	p_item = u''
199	amount = 0.0
200	if previous_session:
201	if previous_session < student['studycourse'].entry_session:
202	return _('The previous session must not fall below '
203	'your entry session.'), None
204	if category == 'schoolfee':
205	# School fee is always paid for the following session
206	if previous_session > student['studycourse'].current_session:
207	return _('This is not a previous session.'), None
208	else:
209	if previous_session > student['studycourse'].current_session - 1:
210	return _('This is not a previous session.'), None
211	p_session = previous_session
212	p_level = previous_level
213	p_current = False
214	else:
215	p_session = student['studycourse'].current_session
216	p_level = student['studycourse'].current_level
217	p_current = True
218	academic_session = self._getSessionConfiguration(p_session)
219	if academic_session == None:
220	return _(u'Session configuration object is not available.'), None
221	# Determine fee.
222	if category == 'transfer':
223	amount = academic_session.transfer_fee
224	elif category == 'transcript':
225	amount = academic_session.transcript_fee
226	elif category == 'gown':
227	amount = academic_session.gown_fee
228	elif category == 'jupeb':
229	amount = academic_session.jupeb_fee
230	elif category == 'clinexam':
231	amount = academic_session.clinexam_fee
232	elif category.startswith('pharmd') \
233	and student.current_mode == 'special_ft':
234	amount = 80000.0
235	#elif category == 'develop' and student.is_postgrad:
236	# amount = academic_session.development_fee
237	elif category == 'bed_allocation':
238	p_item = self.getAccommodationDetails(student)['bt']
239	desired_hostel = student['accommodation'].desired_hostel
240	if desired_hostel:
241	p_item = u'%s (%s)' % (p_item, desired_hostel)
242	amount = academic_session.booking_fee
243	if student.is_postgrad:
244	amount += 500
245	elif category == 'hostel_maintenance':
246	amount = 0.0
247	bedticket = student['accommodation'].get(
248	str(student.current_session), None)
249	if bedticket is not None and bedticket.bed is not None:
250	p_item = bedticket.bed_coordinates
251	if bedticket.bed.__parent__.maint_fee > 0:
252	amount = bedticket.bed.__parent__.maint_fee
253	else:
254	# fallback
255	amount = academic_session.maint_fee
256	else:
257	return _(u'No bed allocated.'), None
258	#elif category == 'hostel_application':
259	# amount = 1000.0
260	#elif category.startswith('tempmaint'):
261	# if not self._hostelApplicationPaymentMade(
262	# student, student.current_session):
263	# return _(
264	# 'You have not yet paid the hostel application fee.'), None
265	# if category == 'tempmaint_1':
266	# amount = 8150.0
267	# elif category == 'tempmaint_2':
268	# amount = 12650.0
269	# elif category == 'tempmaint_3':
270	# amount = 9650.0
271	elif category == 'clearance':
272	p_item = student.certcode
273	if p_item is None:
274	return _('Study course data are incomplete.'), None
275	if student.is_jupeb:
276	amount = 50000.0
277	elif student.faccode.startswith('FCETA'):
278	# ASABA and AKOKA
279	amount = 35000.0
280	elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS',
281	'MBBSMED', 'MBBSNDU', 'BSCPTY'):
282	amount = 80000.0
283	else:
284	amount = 60000.0
285	elif category == 'schoolfee':
286	try:
287	certificate = student['studycourse'].certificate
288	p_item = certificate.code
289	except (AttributeError, TypeError):
290	return _('Study course data are incomplete.'), None
291	if previous_session:
292	# Students can pay for previous sessions in all workflow states.
293	# Fresh students are excluded by the update method of the
294	# PreviousPaymentAddFormPage.
295	if previous_session == student['studycourse'].entry_session:
296	if student.is_foreigner:
297	amount = getattr(certificate, 'school_fee_3', 0.0)
298	else:
299	amount = getattr(certificate, 'school_fee_1', 0.0)
300	else:
301	if student.is_foreigner:
302	amount = getattr(certificate, 'school_fee_4', 0.0)
303	else:
304	amount = getattr(certificate, 'school_fee_2', 0.0)
305	# Old returning students might get a discount.
306	if student.entry_session < 2017 \
307	and certificate.custom_float_1:
308	amount -= certificate.custom_float_1
309	else:
310	if student.state == CLEARED:
311	if student.is_foreigner:
312	amount = getattr(certificate, 'school_fee_3', 0.0)
313	else:
314	amount = getattr(certificate, 'school_fee_1', 0.0)
315	elif student.state == PAID and student.is_postgrad:
316	p_session += 1
317	academic_session = self._getSessionConfiguration(p_session)
318	if academic_session == None:
319	return _(u'Session configuration object is not available.'), None
320
321	# Students are only allowed to pay for the next session
322	# if current session payment
323	# has really been made, i.e. payment object exists.
324	#if not self._paymentMade(
325	# student, student.current_session):
326	# return _('You have not yet paid your current/active' +
327	# ' session. Please use the previous session' +
328	# ' payment form first.'), None
329
330	if student.is_foreigner:
331	amount = getattr(certificate, 'school_fee_4', 0.0)
332	else:
333	amount = getattr(certificate, 'school_fee_2', 0.0)
334	elif student.state == RETURNING:
335	# In case of returning school fee payment the payment session
336	# and level contain the values of the session the student
337	# has paid for.
338	p_session, p_level = self.getReturningData(student)
339	academic_session = self._getSessionConfiguration(p_session)
340	if academic_session == None:
341	return _(u'Session configuration object is not available.'), None
342
343	# Students are only allowed to pay for the next session
344	# if current session payment has really been made,
345	# i.e. payment object exists and is paid.
346	#if not self._paymentMade(
347	# student, student.current_session):
348	# return _('You have not yet paid your current/active' +
349	# ' session. Please use the previous session' +
350	# ' payment form first.'), None
351
352	if student.is_foreigner:
353	amount = getattr(certificate, 'school_fee_4', 0.0)
354	else:
355	amount = getattr(certificate, 'school_fee_2', 0.0)
356	# Old returning students might get a discount.
357	if student.entry_session < 2017 \
358	and certificate.custom_float_1:
359	amount -= certificate.custom_float_1
360	# PHARMD school fee amount is fixed and previously paid
361	# installments in current session are deducted.
362	if student.current_mode == 'special_ft':
363	amount = 160000.0 - self._pharmdInstallments(student)
364	# Give 50% school fee discount to staff members.
365	if student.is_staff:
366	amount /= 2
367	if amount in (0.0, None):
368	return _('Amount could not be determined.'), None
369	# Add session specific penalty fee.
370	if category == 'schoolfee' and student.is_postgrad:
371	amount += academic_session.penalty_pg
372	amount += academic_session.development_fee
373	elif category == 'schoolfee' and student.current_mode == ('ug_ft'):
374	amount += academic_session.penalty_ug_ft
375	elif category == 'schoolfee' and student.current_mode == ('ug_pt'):
376	amount += academic_session.penalty_ug_pt
377	elif category == 'schoolfee' and student.current_mode == ('ug_sw'):
378	amount += academic_session.penalty_sw
379	elif category == 'schoolfee' and student.current_mode in (
380	'dp_ft', 'dp_pt'):
381	amount += academic_session.penalty_dp
382	if category.startswith('tempmaint'):
383	p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category]
384	p_item = unicode(p_item)
385	# Now we change the category because tempmaint payments
386	# will be obsolete when Uniben returns to Kofa bed allocation.
387	category = 'hostel_maintenance'
388	# Create ticket.
389	if self.samePaymentMade(student, category, p_item, p_session):
390	return _('This type of payment has already been made.'), None
391	if self._isPaymentDisabled(p_session, category, student):
392	return _('This category of payments has been disabled.'), None
393	payment = createObject(u'waeup.StudentOnlinePayment')
394	timestamp = ("%d" % int(time()*10000))[1:]
395	payment.p_id = "p%s" % timestamp
396	payment.p_category = category
397	payment.p_item = p_item
398	payment.p_session = p_session
399	payment.p_level = p_level
400	payment.p_current = p_current
401	payment.amount_auth = amount
402	return None, payment
403
404	def warnCreditsOOR(self, studylevel, course=None):
405	studycourse = studylevel.__parent__
406	certificate = getattr(studycourse,'certificate', None)
407	current_level = studycourse.current_level
408	if None in (current_level, certificate):
409	return
410	end_level = certificate.end_level
411	if current_level >= end_level:
412	limit = 51
413	else:
414	limit = 50
415	if course and studylevel.total_credits + course.credits > limit:
416	return _('Maximum credits exceeded.')
417	elif studylevel.total_credits > limit:
418	return _('Maximum credits exceeded.')
419	return
420
421	def clearance_disabled_message(self, student):
422	if student.is_postgrad:
423	return None
424	try:
425	session_config = grok.getSite()[
426	'configuration'][str(student.current_session)]
427	except KeyError:
428	return _('Session configuration object is not available.')
429	if not session_config.clearance_enabled:
430	return _('Clearance is disabled for this session.')
431	return None
432
433	#: A tuple containing the names of registration states in which changing of
434	#: passport pictures is allowed.
435	PORTRAIT_CHANGE_STATES = ()
436
437	# Uniben prefix
438	STUDENT_ID_PREFIX = u'B'

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