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source: main/waeup.uniben/trunk/src/waeup/uniben/students/utils.py @ 15411

Last change on this file since 15411 was 15399, checked in by Henrik Bettermann, 6 years ago
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[7419]	1	## $Id: utils.py 15399 2019-04-30 06:10:24Z 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	##
[11773]	18	import grok
[8598]	19	from time import time
[9459]	20	from zope.component import createObject, getUtility
[9513]	21	from waeup.kofa.interfaces import (IKofaUtils,
	22	CLEARED, RETURNING, PAID, REGISTERED, VALIDATED)
[13251]	23	from waeup.kofa.utils.helpers import to_timezone
	24	from waeup.kofa.students.utils import trans
[8821]	25	from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
[8020]	26	from waeup.uniben.interfaces import MessageFactory as _
[6902]	27
[8821]	28	class CustomStudentsUtils(NigeriaStudentsUtils):
[7151]	29	"""A collection of customized methods.
	30
	31	"""
	32
[8270]	33	def getReturningData(self, student):
	34	""" This method defines what happens after school fee payment
[8319]	35	of returning students depending on the student's senate verdict.
[8270]	36	"""
[8319]	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
[8270]	49	new_session = student['studycourse'].current_session + 1
	50	return new_session, new_level
	51
[13251]	52
[13248]	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.")
[13777]	67	if not student.is_postgrad and student.current_mode != 'ug_ft':
[13446]	68	return _("Only undergraduate full-time students are eligible to book accommodation.")
[13283]	69	bt = acc_details.get('bt')
	70	if not bt:
[13248]	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.')
[13283]	78	stage = bt.split('_')[2]
[13777]	79	if not student.is_postgrad and stage != 'fr' and not student[
[14328]	80	'studycourse'].previous_verdict in (
[15392]	81	'A', 'B', 'F', 'J', 'L', 'M', 'C', 'Z'):
[13283]	82	return _("Your are not eligible to book accommodation.")
[15307]	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:
[13248]	87	return _('You already booked a bed space in '
	88	'current accommodation session.')
	89	return
[13244]	90
[13295]	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'
[13777]	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'
[15354]	127	desired_hostel = student['accommodation'].desired_hostel
	128	if student.faccode in ('MED', 'DEN') and (
	129	not desired_hostel or desired_hostel.startswith('clinical')):
[13777]	130	special_handling = 'clinical'
	131	elif student.certcode in ('BARTMAS', 'BARTTHR', 'BARTFAA',
	132	'BAEDFAA', 'BSCEDECHED'):
	133	special_handling = 'ekenwan'
[13295]	134	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
	135	return d
	136
[9520]	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
[13566]	146	def _isPaymentDisabled(self, p_session, category, student):
	147	academic_session = self._getSessionConfiguration(p_session)
[14688]	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
[13566]	170	if category == 'hostel_maintenance' and \
	171	'maint_all' in academic_session.payment_disabled:
	172	return True
	173	return False
	174
[13251]	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
[12566]	183
[14960]	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
[15320]	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
[9152]	206	def setPaymentDetails(self, category, student,
	207	previous_session, previous_level):
[8598]	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
[9152]	214	if previous_session:
[9520]	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
[9152]	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
[9520]	232	academic_session = self._getSessionConfiguration(p_session)
	233	if academic_session == None:
[8598]	234	return _(u'Session configuration object is not available.'), None
[8676]	235	# Determine fee.
[7151]	236	if category == 'transfer':
[8598]	237	amount = academic_session.transfer_fee
[10469]	238	elif category == 'transcript':
	239	amount = academic_session.transcript_fee
[7151]	240	elif category == 'gown':
[8598]	241	amount = academic_session.gown_fee
[13785]	242	elif category == 'jupeb':
	243	amount = academic_session.jupeb_fee
[14358]	244	elif category == 'clinexam':
	245	amount = academic_session.clinexam_fee
[14960]	246	elif category.startswith('pharmd') \
	247	and student.current_mode == 'special_ft':
	248	amount = 80000.0
[15108]	249	#elif category == 'develop' and student.is_postgrad:
	250	# amount = academic_session.development_fee
[13251]	251	elif category == 'bed_allocation':
	252	p_item = self.getAccommodationDetails(student)['bt']
[15268]	253	desired_hostel = student['accommodation'].desired_hostel
[15314]	254	if not desired_hostel:
	255	return _(u'Select your favoured hostel first.'), None
	256	if desired_hostel and desired_hostel != 'no':
[15268]	257	p_item = u'%s (%s)' % (p_item, desired_hostel)
[13251]	258	amount = academic_session.booking_fee
[15002]	259	if student.is_postgrad:
	260	amount += 500
[13251]	261	elif category == 'hostel_maintenance':
	262	amount = 0.0
	263	bedticket = student['accommodation'].get(
	264	str(student.current_session), None)
[13500]	265	if bedticket is not None and bedticket.bed is not None:
[13251]	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:
[13508]	273	return _(u'No bed allocated.'), None
[13251]	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
[7151]	287	elif category == 'clearance':
[9796]	288	p_item = student.certcode
	289	if p_item is None:
[8598]	290	return _('Study course data are incomplete.'), None
[14902]	291	if student.is_jupeb:
[14897]	292	amount = 50000.0
	293	elif student.faccode.startswith('FCETA'):
[13869]	294	# ASABA and AKOKA
[14932]	295	amount = 35000.0
[15399]	296	elif student.faccode in ('BMS', 'MED', 'DEN'):
[15342]	297	#elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS',
	298	# 'MBBSMED', 'MBBSNDU', 'BSCPTY', 'BSCPST'):
[14897]	299	amount = 80000.0
[11479]	300	else:
[14897]	301	amount = 60000.0
[7151]	302	elif category == 'schoolfee':
[8598]	303	try:
	304	certificate = student['studycourse'].certificate
	305	p_item = certificate.code
	306	except (AttributeError, TypeError):
	307	return _('Study course data are incomplete.'), None
[9152]	308	if previous_session:
[9520]	309	# Students can pay for previous sessions in all workflow states.
	310	# Fresh students are excluded by the update method of the
	311	# PreviousPaymentAddFormPage.
[9157]	312	if previous_session == student['studycourse'].entry_session:
[9152]	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)
[9006]	317	else:
[9152]	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)
[14904]	322	# Old returning students might get a discount.
[15094]	323	if student.entry_session < 2017 \
	324	and certificate.custom_float_1:
	325	amount -= certificate.custom_float_1
[9152]	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)
[14858]	332	elif student.state == PAID and student.is_postgrad:
[9513]	333	p_session += 1
[9520]	334	academic_session = self._getSessionConfiguration(p_session)
	335	if academic_session == None:
[9513]	336	return _(u'Session configuration object is not available.'), None
[9570]	337
[9520]	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.
[9570]	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
[9513]	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)
[9152]	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)
[9520]	356	academic_session = self._getSessionConfiguration(p_session)
	357	if academic_session == None:
[9152]	358	return _(u'Session configuration object is not available.'), None
[9570]	359
[9520]	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.
[9570]	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
[9152]	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)
[14893]	373	# Old returning students might get a discount.
[14892]	374	if student.entry_session < 2017 \
[14893]	375	and certificate.custom_float_1:
	376	amount -= certificate.custom_float_1
[14960]	377	# PHARMD school fee amount is fixed and previously paid
	378	# installments in current session are deducted.
[15363]	379	if student.current_mode == 'special_ft' \
	380	and student.state in (RETURNING, CLEARED):
	381	if student.is_foreigner:
	382	amount = 260000.0 - self._pharmdInstallments(student)
	383	else:
	384	amount = 160000.0 - self._pharmdInstallments(student)
[9006]	385	# Give 50% school fee discount to staff members.
	386	if student.is_staff:
	387	amount /= 2
[8598]	388	if amount in (0.0, None):
[9520]	389	return _('Amount could not be determined.'), None
[8676]	390	# Add session specific penalty fee.
	391	if category == 'schoolfee' and student.is_postgrad:
	392	amount += academic_session.penalty_pg
[15108]	393	amount += academic_session.development_fee
[13757]	394	elif category == 'schoolfee' and student.current_mode == ('ug_ft'):
[13756]	395	amount += academic_session.penalty_ug_ft
[13757]	396	elif category == 'schoolfee' and student.current_mode == ('ug_pt'):
[13756]	397	amount += academic_session.penalty_ug_pt
[13998]	398	elif category == 'schoolfee' and student.current_mode == ('ug_sw'):
	399	amount += academic_session.penalty_sw
[14717]	400	elif category == 'schoolfee' and student.current_mode in (
	401	'dp_ft', 'dp_pt'):
	402	amount += academic_session.penalty_dp
[9727]	403	if category.startswith('tempmaint'):
	404	p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category]
	405	p_item = unicode(p_item)
	406	# Now we change the category because tempmaint payments
[12566]	407	# will be obsolete when Uniben returns to Kofa bed allocation.
[9727]	408	category = 'hostel_maintenance'
[8676]	409	# Create ticket.
[15320]	410	if self.samePaymentMade(student, category, p_item, p_session):
[11644]	411	return _('This type of payment has already been made.'), None
[11459]	412	if self._isPaymentDisabled(p_session, category, student):
[13814]	413	return _('This category of payments has been disabled.'), None
[8715]	414	payment = createObject(u'waeup.StudentOnlinePayment')
[8950]	415	timestamp = ("%d" % int(time()*10000))[1:]
[8598]	416	payment.p_id = "p%s" % timestamp
	417	payment.p_category = category
	418	payment.p_item = p_item
	419	payment.p_session = p_session
	420	payment.p_level = p_level
[9152]	421	payment.p_current = p_current
[8598]	422	payment.amount_auth = amount
	423	return None, payment
[7621]	424
[14588]	425	def warnCreditsOOR(self, studylevel, course=None):
[9831]	426	studycourse = studylevel.__parent__
	427	certificate = getattr(studycourse,'certificate', None)
	428	current_level = studycourse.current_level
	429	if None in (current_level, certificate):
[14588]	430	return
[9831]	431	end_level = certificate.end_level
	432	if current_level >= end_level:
[14588]	433	limit = 51
	434	else:
	435	limit = 50
	436	if course and studylevel.total_credits + course.credits > limit:
	437	return _('Maximum credits exceeded.')
	438	elif studylevel.total_credits > limit:
	439	return _('Maximum credits exceeded.')
	440	return
[9831]	441
[11773]	442	def clearance_disabled_message(self, student):
	443	if student.is_postgrad:
	444	return None
	445	try:
	446	session_config = grok.getSite()[
	447	'configuration'][str(student.current_session)]
	448	except KeyError:
	449	return _('Session configuration object is not available.')
	450	if not session_config.clearance_enabled:
	451	return _('Clearance is disabled for this session.')
	452	return None
	453
[14038]	454	#: A tuple containing the names of registration states in which changing of
	455	#: passport pictures is allowed.
	456	PORTRAIT_CHANGE_STATES = ()
	457
[8441]	458	# Uniben prefix
[8413]	459	STUDENT_ID_PREFIX = u'B'

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