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source: main/waeup.uniben/trunk/src/waeup/uniben/students/utils.py @ 14970

Last change on this file since 14970 was 14970, checked in by Henrik Bettermann, 7 years ago
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[7419]	1	## $Id: utils.py 14970 2018-03-16 11:35:33Z 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	##
[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 (
[14343]	81	'A', 'B', 'F', 'J', 'M', 'C', 'Z'):
[13283]	82	return _("Your are not eligible to book accommodation.")
[13510]	83	if str(acc_details[
	84	'booking_session']) in student['accommodation'].keys():
[13248]	85	return _('You already booked a bed space in '
	86	'current accommodation session.')
	87	return
[13244]	88
[13295]	89	def getAccommodationDetails(self, student):
	90	"""Determine the accommodation data of a student.
	91	"""
	92	d = {}
	93	d['error'] = u''
	94	hostels = grok.getSite()['hostels']
	95	d['booking_session'] = hostels.accommodation_session
	96	d['allowed_states'] = hostels.accommodation_states
	97	d['startdate'] = hostels.startdate
	98	d['enddate'] = hostels.enddate
	99	d['expired'] = hostels.expired
	100	# Determine bed type
	101	studycourse = student['studycourse']
	102	certificate = getattr(studycourse,'certificate',None)
	103	entry_session = studycourse.entry_session
	104	current_level = studycourse.current_level
	105	if None in (entry_session, current_level, certificate):
	106	return d
	107	if student.sex == 'f':
	108	sex = 'female'
	109	else:
	110	sex = 'male'
[13777]	111	if student.is_postgrad:
	112	bt = 'all'
	113	special_handling = 'pg'
	114	else:
	115	end_level = certificate.end_level
	116	if current_level == 10:
	117	bt = 'pr'
	118	elif entry_session == grok.getSite()['hostels'].accommodation_session:
	119	bt = 'fr'
	120	elif current_level >= end_level:
	121	bt = 'fi'
	122	else:
	123	bt = 're'
	124	special_handling = 'regular'
	125	if student.faccode in ('MED', 'DEN'):
	126	special_handling = 'clinical'
	127	elif student.certcode in ('BARTMAS', 'BARTTHR', 'BARTFAA',
	128	'BAEDFAA', 'BSCEDECHED'):
	129	special_handling = 'ekenwan'
[13295]	130	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
	131	return d
	132
[9520]	133	def _paymentMade(self, student, session):
	134	if len(student['payments']):
	135	for ticket in student['payments'].values():
	136	if ticket.p_state == 'paid' and \
	137	ticket.p_category == 'schoolfee' and \
	138	ticket.p_session == session:
	139	return True
	140	return False
	141
[13566]	142	def _isPaymentDisabled(self, p_session, category, student):
	143	academic_session = self._getSessionConfiguration(p_session)
[14688]	144	if category == 'schoolfee':
	145	if 'sf_all' in academic_session.payment_disabled:
	146	return True
	147	if student.current_mode == 'found' and \
	148	'sf_found' in academic_session.payment_disabled:
	149	return True
	150	if student.is_postgrad:
	151	if 'sf_pg' in academic_session.payment_disabled:
	152	return True
	153	return False
	154	if student.current_mode.endswith('ft') and \
	155	'sf_ft' in academic_session.payment_disabled:
	156	return True
	157	if student.current_mode.endswith('pt') and \
	158	'sf_pt' in academic_session.payment_disabled:
	159	return True
	160	if student.current_mode.startswith('dp') and \
	161	'sf_dp' in academic_session.payment_disabled:
	162	return True
	163	if student.current_mode.endswith('sw') and \
	164	'sf_sw' in academic_session.payment_disabled:
	165	return True
[13566]	166	if category == 'hostel_maintenance' and \
	167	'maint_all' in academic_session.payment_disabled:
	168	return True
	169	return False
	170
[13251]	171	#def _hostelApplicationPaymentMade(self, student, session):
	172	# if len(student['payments']):
	173	# for ticket in student['payments'].values():
	174	# if ticket.p_state == 'paid' and \
	175	# ticket.p_category == 'hostel_application' and \
	176	# ticket.p_session == session:
	177	# return True
	178	# return False
[12566]	179
[14960]	180	def _pharmdInstallments(self, student):
	181	installments = 0.0
	182	if len(student['payments']):
	183	for ticket in student['payments'].values():
	184	if ticket.p_state == 'paid' and \
	185	ticket.p_category.startswith('pharmd') and \
	186	ticket.p_session == student.current_session:
	187	installments += ticket.amount_auth
	188	return installments
	189
[9152]	190	def setPaymentDetails(self, category, student,
	191	previous_session, previous_level):
[8598]	192	"""Create Payment object and set the payment data of a student for
	193	the payment category specified.
	194
	195	"""
	196	p_item = u''
	197	amount = 0.0
[9152]	198	if previous_session:
[9520]	199	if previous_session < student['studycourse'].entry_session:
	200	return _('The previous session must not fall below '
	201	'your entry session.'), None
	202	if category == 'schoolfee':
	203	# School fee is always paid for the following session
	204	if previous_session > student['studycourse'].current_session:
	205	return _('This is not a previous session.'), None
	206	else:
	207	if previous_session > student['studycourse'].current_session - 1:
	208	return _('This is not a previous session.'), None
[9152]	209	p_session = previous_session
	210	p_level = previous_level
	211	p_current = False
	212	else:
	213	p_session = student['studycourse'].current_session
	214	p_level = student['studycourse'].current_level
	215	p_current = True
[9520]	216	academic_session = self._getSessionConfiguration(p_session)
	217	if academic_session == None:
[8598]	218	return _(u'Session configuration object is not available.'), None
[8676]	219	# Determine fee.
[7151]	220	if category == 'transfer':
[8598]	221	amount = academic_session.transfer_fee
[10469]	222	elif category == 'transcript':
	223	amount = academic_session.transcript_fee
[7151]	224	elif category == 'gown':
[8598]	225	amount = academic_session.gown_fee
[13785]	226	elif category == 'jupeb':
	227	amount = academic_session.jupeb_fee
[14358]	228	elif category == 'clinexam':
	229	amount = academic_session.clinexam_fee
[14960]	230	elif category.startswith('pharmd') \
	231	and student.current_mode == 'special_ft':
	232	amount = 80000.0
[13251]	233	elif category == 'bed_allocation':
	234	p_item = self.getAccommodationDetails(student)['bt']
	235	amount = academic_session.booking_fee
[13283]	236	# Add student union dues
[14898]	237	#if not student.is_postgrad:
	238	# stage = self.getAccommodationDetails(student)['bt']
	239	# stage = stage.split('_')[2]
	240	# if stage == 'fr':
	241	# amount += 500.0
	242	# elif stage in ('fi', 're') and student[
	243	# 'studycourse'].previous_verdict in (
	244	# 'A', 'B', 'F', 'J', 'M', 'C', 'Z'):
	245	# amount += 300.0
	246	# else:
	247	# amount = 0.0
[13251]	248	elif category == 'hostel_maintenance':
	249	amount = 0.0
	250	bedticket = student['accommodation'].get(
	251	str(student.current_session), None)
[13500]	252	if bedticket is not None and bedticket.bed is not None:
[13251]	253	p_item = bedticket.bed_coordinates
	254	if bedticket.bed.__parent__.maint_fee > 0:
	255	amount = bedticket.bed.__parent__.maint_fee
	256	else:
	257	# fallback
	258	amount = academic_session.maint_fee
	259	else:
[13508]	260	return _(u'No bed allocated.'), None
[13251]	261	#elif category == 'hostel_application':
	262	# amount = 1000.0
	263	#elif category.startswith('tempmaint'):
	264	# if not self._hostelApplicationPaymentMade(
	265	# student, student.current_session):
	266	# return _(
	267	# 'You have not yet paid the hostel application fee.'), None
	268	# if category == 'tempmaint_1':
	269	# amount = 8150.0
	270	# elif category == 'tempmaint_2':
	271	# amount = 12650.0
	272	# elif category == 'tempmaint_3':
	273	# amount = 9650.0
[7151]	274	elif category == 'clearance':
[9796]	275	p_item = student.certcode
	276	if p_item is None:
[8598]	277	return _('Study course data are incomplete.'), None
[14902]	278	if student.is_jupeb:
[14897]	279	amount = 50000.0
	280	elif student.faccode.startswith('FCETA'):
[13869]	281	# ASABA and AKOKA
[14932]	282	amount = 35000.0
[11479]	283	elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS',
[14289]	284	'MBBSMED', 'MBBSNDU', 'BSCPTY'):
[14897]	285	amount = 80000.0
[11479]	286	else:
[14897]	287	amount = 60000.0
[7151]	288	elif category == 'schoolfee':
[8598]	289	try:
	290	certificate = student['studycourse'].certificate
	291	p_item = certificate.code
	292	except (AttributeError, TypeError):
	293	return _('Study course data are incomplete.'), None
[9152]	294	if previous_session:
[9520]	295	# Students can pay for previous sessions in all workflow states.
	296	# Fresh students are excluded by the update method of the
	297	# PreviousPaymentAddFormPage.
[9157]	298	if previous_session == student['studycourse'].entry_session:
[9152]	299	if student.is_foreigner:
	300	amount = getattr(certificate, 'school_fee_3', 0.0)
	301	else:
	302	amount = getattr(certificate, 'school_fee_1', 0.0)
[9006]	303	else:
[9152]	304	if student.is_foreigner:
	305	amount = getattr(certificate, 'school_fee_4', 0.0)
	306	else:
	307	amount = getattr(certificate, 'school_fee_2', 0.0)
[14904]	308	# Old returning students might get a discount.
	309	if student.entry_session < 2017 \
	310	and certificate.custom_float_1:
	311	amount -= certificate.custom_float_1
[9152]	312	else:
	313	if student.state == CLEARED:
	314	if student.is_foreigner:
	315	amount = getattr(certificate, 'school_fee_3', 0.0)
	316	else:
	317	amount = getattr(certificate, 'school_fee_1', 0.0)
[14858]	318	elif student.state == PAID and student.is_postgrad:
[9513]	319	p_session += 1
[9520]	320	academic_session = self._getSessionConfiguration(p_session)
	321	if academic_session == None:
[9513]	322	return _(u'Session configuration object is not available.'), None
[9570]	323
[9520]	324	# Students are only allowed to pay for the next session
	325	# if current session payment
	326	# has really been made, i.e. payment object exists.
[9570]	327	#if not self._paymentMade(
	328	# student, student.current_session):
	329	# return _('You have not yet paid your current/active' +
	330	# ' session. Please use the previous session' +
	331	# ' payment form first.'), None
	332
[9513]	333	if student.is_foreigner:
	334	amount = getattr(certificate, 'school_fee_4', 0.0)
	335	else:
	336	amount = getattr(certificate, 'school_fee_2', 0.0)
[9152]	337	elif student.state == RETURNING:
	338	# In case of returning school fee payment the payment session
	339	# and level contain the values of the session the student
	340	# has paid for.
	341	p_session, p_level = self.getReturningData(student)
[9520]	342	academic_session = self._getSessionConfiguration(p_session)
	343	if academic_session == None:
[9152]	344	return _(u'Session configuration object is not available.'), None
[9570]	345
[9520]	346	# Students are only allowed to pay for the next session
	347	# if current session payment has really been made,
	348	# i.e. payment object exists and is paid.
[9570]	349	#if not self._paymentMade(
	350	# student, student.current_session):
	351	# return _('You have not yet paid your current/active' +
	352	# ' session. Please use the previous session' +
	353	# ' payment form first.'), None
	354
[9152]	355	if student.is_foreigner:
	356	amount = getattr(certificate, 'school_fee_4', 0.0)
	357	else:
	358	amount = getattr(certificate, 'school_fee_2', 0.0)
[14893]	359	# Old returning students might get a discount.
[14892]	360	if student.entry_session < 2017 \
[14893]	361	and certificate.custom_float_1:
	362	amount -= certificate.custom_float_1
[14960]	363	# PHARMD school fee amount is fixed and previously paid
	364	# installments in current session are deducted.
	365	if student.current_mode == 'special_ft':
[14970]	366	amount = 160000.0 - self._pharmdInstallments(student)
[9006]	367	# Give 50% school fee discount to staff members.
	368	if student.is_staff:
	369	amount /= 2
[8598]	370	if amount in (0.0, None):
[9520]	371	return _('Amount could not be determined.'), None
[8676]	372	# Add session specific penalty fee.
	373	if category == 'schoolfee' and student.is_postgrad:
	374	amount += academic_session.penalty_pg
[13757]	375	elif category == 'schoolfee' and student.current_mode == ('ug_ft'):
[13756]	376	amount += academic_session.penalty_ug_ft
[13757]	377	elif category == 'schoolfee' and student.current_mode == ('ug_pt'):
[13756]	378	amount += academic_session.penalty_ug_pt
[13998]	379	elif category == 'schoolfee' and student.current_mode == ('ug_sw'):
	380	amount += academic_session.penalty_sw
[14717]	381	elif category == 'schoolfee' and student.current_mode in (
	382	'dp_ft', 'dp_pt'):
	383	amount += academic_session.penalty_dp
[9727]	384	if category.startswith('tempmaint'):
	385	p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category]
	386	p_item = unicode(p_item)
	387	# Now we change the category because tempmaint payments
[12566]	388	# will be obsolete when Uniben returns to Kofa bed allocation.
[9727]	389	category = 'hostel_maintenance'
[8676]	390	# Create ticket.
[11644]	391	if self.samePaymentMade(student, category, p_item, p_session):
	392	return _('This type of payment has already been made.'), None
[11459]	393	if self._isPaymentDisabled(p_session, category, student):
[13814]	394	return _('This category of payments has been disabled.'), None
[8715]	395	payment = createObject(u'waeup.StudentOnlinePayment')
[8950]	396	timestamp = ("%d" % int(time()*10000))[1:]
[8598]	397	payment.p_id = "p%s" % timestamp
	398	payment.p_category = category
	399	payment.p_item = p_item
	400	payment.p_session = p_session
	401	payment.p_level = p_level
[9152]	402	payment.p_current = p_current
[8598]	403	payment.amount_auth = amount
	404	return None, payment
[7621]	405
[14588]	406	def warnCreditsOOR(self, studylevel, course=None):
[9831]	407	studycourse = studylevel.__parent__
	408	certificate = getattr(studycourse,'certificate', None)
	409	current_level = studycourse.current_level
	410	if None in (current_level, certificate):
[14588]	411	return
[9831]	412	end_level = certificate.end_level
	413	if current_level >= end_level:
[14588]	414	limit = 51
	415	else:
	416	limit = 50
	417	if course and studylevel.total_credits + course.credits > limit:
	418	return _('Maximum credits exceeded.')
	419	elif studylevel.total_credits > limit:
	420	return _('Maximum credits exceeded.')
	421	return
[9831]	422
[11773]	423	def clearance_disabled_message(self, student):
	424	if student.is_postgrad:
	425	return None
	426	try:
	427	session_config = grok.getSite()[
	428	'configuration'][str(student.current_session)]
	429	except KeyError:
	430	return _('Session configuration object is not available.')
	431	if not session_config.clearance_enabled:
	432	return _('Clearance is disabled for this session.')
	433	return None
	434
[14038]	435	#: A tuple containing the names of registration states in which changing of
	436	#: passport pictures is allowed.
	437	PORTRAIT_CHANGE_STATES = ()
	438
[8441]	439	# Uniben prefix
[8413]	440	STUDENT_ID_PREFIX = u'B'

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