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source: main/waeup.aaue/trunk/src/waeup/aaue/students/utils.py @ 15257

Last change on this file since 15257 was 15194, checked in by Henrik Bettermann, 6 years ago
See AAUE #513.
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[7419]	1	## $Id: utils.py 15194 2018-10-19 05:40:10Z 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	##
[7151]	18	import grok
[8600]	19	from time import time
[14918]	20	from zope.component import createObject, queryUtility
	21	from zope.catalog.interfaces import ICatalog
[10922]	22	from waeup.kofa.interfaces import (
[13594]	23	ADMITTED, CLEARANCE, REQUESTED, CLEARED, RETURNING, PAID,
	24	academic_sessions_vocab)
[8823]	25	from kofacustom.nigeria.students.utils import NigeriaStudentsUtils
[8247]	26	from waeup.kofa.accesscodes import create_accesscode
[10922]	27	from waeup.kofa.students.utils import trans
[13720]	28	from waeup.aaue.interswitch.browser import gateway_net_amt, GATEWAY_AMT
[8444]	29	from waeup.aaue.interfaces import MessageFactory as _
[6902]	30
[14663]	31	MINIMUM_UNITS_THRESHOLD = 15
	32
[8823]	33	class CustomStudentsUtils(NigeriaStudentsUtils):
[7151]	34	"""A collection of customized methods.
	35
	36	"""
	37
[14242]	38	PORTRAIT_CHANGE_STATES = (ADMITTED,)
[13348]	39
[14918]	40	def GPABoundaries(self, faccode=None, depcode=None,
	41	certcode=None, student=None):
	42	if student and student.current_mode.startswith('dp'):
[14959]	43	return ((1.5, 'IRNS / NER / NYV'),
[14918]	44	(2.4, 'Pass'),
	45	(3.5, 'Merit'),
	46	(4.5, 'Credit'),
	47	(5, 'Distinction'))
	48	elif student:
	49	return ((1, 'FRNS / NER / NYV'),
	50	(1.5, 'Pass'),
	51	(2.4, '3rd Class Honours'),
	52	(3.5, '2nd Class Honours Lower Division'),
	53	(4.5, '2nd Class Honours Upper Division'),
	54	(5, '1st Class Honours'))
	55	# Session Results Presentations depend on certificate
	56	results = None
	57	if certcode:
	58	cat = queryUtility(ICatalog, name='certificates_catalog')
	59	results = list(
	60	cat.searchResults(code=(certcode, certcode)))
	61	if results and results[0].study_mode.startswith('dp'):
[14975]	62	return ((1.5, 'IRNS / NER / NYV'),
[14918]	63	(2.4, 'Pass'),
	64	(3.5, 'Merit'),
	65	(4.5, 'Credit'),
	66	(5, 'Distinction'))
	67	else:
	68	return ((1, 'FRNS / NER / NYV'),
	69	(1.5, 'Pass'),
	70	(2.4, '3rd Class Honours'),
	71	(3.5, '2nd Class Honours Lower Division'),
	72	(4.5, '2nd Class Honours Upper Division'),
	73	(5, '1st Class Honours'))
[14899]	74
[14462]	75	def getClassFromCGPA(self, gpa, student):
[14918]	76	gpa_boundaries = self.GPABoundaries(student=student)
[15095]	77
	78	try:
	79	certificate = getattr(student['studycourse'],'certificate',None)
	80	end_level = getattr(certificate, 'end_level', None)
	81	final_level = max([studylevel.level for studylevel in student['studycourse'].values()])
	82	if end_level and final_level >= end_level:
	83	dummy, repeat = divmod(final_level, 100)
	84	if gpa <= 5.1 and repeat == 20:
	85	# Irrespective of the CGPA of a student, if the He/She has
	86	# 3rd Extension, such student will be graduated with a "Pass".
	87	return 1, gpa_boundaries[1][1]
	88	except ValueError:
	89	pass
	90
[14899]	91	if gpa < gpa_boundaries[0][0]:
	92	# FRNS / Fail
	93	return 0, gpa_boundaries[0][1]
[14977]	94	if student.entry_session < 2013 or \
	95	student.current_mode.startswith('dp'):
[14899]	96	if gpa < gpa_boundaries[1][0]:
[14462]	97	# Pass
[14899]	98	return 1, gpa_boundaries[1][1]
[14462]	99	else:
[14899]	100	if gpa < gpa_boundaries[1][0]:
[14977]	101	# FRNS
	102	# Pass degree has been phased out in 2013 for non-diploma
	103	# students
[14899]	104	return 0, gpa_boundaries[0][1]
	105	if gpa < gpa_boundaries[2][0]:
[15095]	106	# 3rd / Merit
[14899]	107	return 2, gpa_boundaries[2][1]
	108	if gpa < gpa_boundaries[3][0]:
[15095]	109	# 2nd L / Credit
[14899]	110	return 3, gpa_boundaries[3][1]
	111	if gpa < gpa_boundaries[4][0]:
[15095]	112	# 2nd U / Distinction
[14899]	113	return 4, gpa_boundaries[4][1]
	114	if gpa <= gpa_boundaries[5][0]:
[15095]	115	# 1st
[14899]	116	return 5, gpa_boundaries[5][1]
[15095]	117	return
[14462]	118
[14160]	119	def getDegreeClassNumber(self, level_obj):
[14415]	120	"""Get degree class number (used for SessionResultsPresentation
	121	reports).
	122	"""
[14459]	123	certificate = getattr(level_obj.__parent__,'certificate', None)
[14160]	124	end_level = getattr(certificate, 'end_level', None)
[14459]	125	if end_level and level_obj.level >= end_level:
[14464]	126	if level_obj.level > end_level:
	127	# spill-over level
[14476]	128	if level_obj.gpa_params[1] == 0:
[14464]	129	# no credits taken
	130	return 0
[14663]	131	elif level_obj.gpa_params[1] < MINIMUM_UNITS_THRESHOLD:
[14537]	132	# credits taken below limit
	133	return 0
[14160]	134	failed_courses = level_obj.passed_params[4]
[14411]	135	not_taken_courses = level_obj.passed_params[5]
[14160]	136	if '_m' in failed_courses:
	137	return 0
[14441]	138	if len(not_taken_courses) \
[14506]	139	and not not_taken_courses == 'Nil':
[14411]	140	return 0
[14663]	141	elif level_obj.gpa_params[1] < MINIMUM_UNITS_THRESHOLD:
[14464]	142	# credits taken below limit
	143	return 0
[14487]	144	if level_obj.level_verdict in ('FRNS', 'NER', 'NYV'):
[14464]	145	return 0
[14160]	146	# use gpa_boundaries above
[14462]	147	return self.getClassFromCGPA(
	148	level_obj.cumulative_params[0], level_obj.student)[0]
[14160]	149
[13359]	150	def increaseMatricInteger(self, student):
	151	"""Increase counter for matric numbers.
	152	This counter can be a centrally stored attribute or an attribute of
	153	faculties, departments or certificates. In the base package the counter
	154	is as an attribute of the site configuration container.
	155	"""
	156	if student.current_mode in ('ug_pt', 'de_pt'):
	157	grok.getSite()['configuration'].next_matric_integer += 1
	158	return
[13609]	159	elif student.is_postgrad:
	160	grok.getSite()['configuration'].next_matric_integer_3 += 1
	161	return
[13793]	162	elif student.current_mode in ('dp_ft',):
	163	grok.getSite()['configuration'].next_matric_integer_4 += 1
	164	return
[13359]	165	grok.getSite()['configuration'].next_matric_integer_2 += 1
	166	return
	167
[13749]	168	def _concessionalPaymentMade(self, student):
	169	if len(student['payments']):
	170	for ticket in student['payments'].values():
	171	if ticket.p_state == 'paid' and \
	172	ticket.p_category == 'concessional':
	173	return True
	174	return False
	175
[11596]	176	def constructMatricNumber(self, student):
[11593]	177	faccode = student.faccode
	178	depcode = student.depcode
[13609]	179	certcode = student.certcode
[13664]	180	degree = getattr(
	181	getattr(student.get('studycourse', None), 'certificate', None),
	182	'degree', None)
[11593]	183	year = unicode(student.entry_session)[2:]
[13359]	184	if not student.state in (PAID, ) or not student.is_fresh or \
[14615]	185	student.current_mode in ('found', 'ijmbe'):
[13359]	186	return _('Matriculation number cannot be set.'), None
[13755]	187	#if student.current_mode not in ('mug_ft', 'mde_ft') and \
	188	# not self._concessionalPaymentMade(student):
	189	# return _('Matriculation number cannot be set.'), None
[13571]	190	if student.is_postgrad:
[13609]	191	next_integer = grok.getSite()['configuration'].next_matric_integer_3
[13664]	192	if not degree or next_integer == 0:
[13609]	193	return _('Matriculation number cannot be set.'), None
[13846]	194	if student.faccode in ('IOE'):
	195	return None, "AAU/SPS/%s/%s/%s/%05d" % (
	196	faccode, year, degree, next_integer)
[13609]	197	return None, "AAU/SPS/%s/%s/%s/%s/%05d" % (
[13664]	198	faccode, depcode, year, degree, next_integer)
[13359]	199	if student.current_mode in ('ug_pt', 'de_pt'):
	200	next_integer = grok.getSite()['configuration'].next_matric_integer
	201	if next_integer == 0:
	202	return _('Matriculation number cannot be set.'), None
[12975]	203	return None, "PTP/%s/%s/%s/%05d" % (
	204	faccode, depcode, year, next_integer)
[13793]	205	if student.current_mode in ('dp_ft',):
	206	next_integer = grok.getSite()['configuration'].next_matric_integer_4
	207	if next_integer == 0:
	208	return _('Matriculation number cannot be set.'), None
	209	return None, "IOE/DIP/%s/%05d" % (year, next_integer)
[13359]	210	next_integer = grok.getSite()['configuration'].next_matric_integer_2
	211	if next_integer == 0:
	212	return _('Matriculation number cannot be set.'), None
	213	if student.faccode in ('FBM', 'FCS'):
	214	return None, "CMS/%s/%s/%s/%05d" % (
	215	faccode, depcode, year, next_integer)
	216	return None, "%s/%s/%s/%05d" % (faccode, depcode, year, next_integer)
[12975]	217
[8270]	218	def getReturningData(self, student):
	219	""" This method defines what happens after school fee payment
[8319]	220	of returning students depending on the student's senate verdict.
[8270]	221	"""
[8319]	222	prev_level = student['studycourse'].current_level
	223	cur_verdict = student['studycourse'].current_verdict
[14958]	224	if cur_verdict in ('A','B','L','M','N','Z',):
[8319]	225	# Successful student
	226	new_level = divmod(int(prev_level),100)[0]*100 + 100
[14958]	227	elif cur_verdict == 'C':
	228	# Student on probation
	229	new_level = int(prev_level) + 10
[8319]	230	else:
	231	# Student is somehow in an undefined state.
	232	# Level has to be set manually.
	233	new_level = prev_level
[8270]	234	new_session = student['studycourse'].current_session + 1
	235	return new_session, new_level
	236
[13454]	237	def _isPaymentDisabled(self, p_session, category, student):
	238	academic_session = self._getSessionConfiguration(p_session)
[14246]	239	if category.startswith('schoolfee'):
	240	if 'sf_all' in academic_session.payment_disabled:
	241	return True
	242	if 'sf_pg' in academic_session.payment_disabled and \
	243	student.is_postgrad:
	244	return True
[14571]	245	if 'sf_ug_pt' in academic_session.payment_disabled and \
	246	student.current_mode in ('ug_pt', 'de_pt'):
[14246]	247	return True
	248	if 'sf_found' in academic_session.payment_disabled and \
	249	student.current_mode == 'found':
	250	return True
[13794]	251	if category.startswith('clearance') and \
	252	'cl_regular' in academic_session.payment_disabled and \
	253	student.current_mode in ('ug_ft', 'de_ft', 'mug_ft', 'mde_ft'):
	254	return True
[13454]	255	if category == 'hostel_maintenance' and \
	256	'maint_all' in academic_session.payment_disabled:
	257	return True
	258	return False
	259
[9154]	260	def setPaymentDetails(self, category, student,
	261	previous_session=None, previous_level=None):
[8600]	262	"""Create Payment object and set the payment data of a student for
	263	the payment category specified.
	264
	265	"""
[8306]	266	details = {}
[8600]	267	p_item = u''
	268	amount = 0.0
	269	error = u''
[9154]	270	if previous_session:
[14544]	271	if previous_session < student['studycourse'].entry_session:
	272	return _('The previous session must not fall below '
	273	'your entry session.'), None
	274	if category == 'schoolfee':
	275	# School fee is always paid for the following session
	276	if previous_session > student['studycourse'].current_session:
	277	return _('This is not a previous session.'), None
	278	else:
	279	if previous_session > student['studycourse'].current_session - 1:
	280	return _('This is not a previous session.'), None
	281	p_session = previous_session
	282	p_level = previous_level
	283	p_current = False
	284	else:
	285	p_session = student['studycourse'].current_session
	286	p_level = student['studycourse'].current_level
	287	p_current = True
[9527]	288	academic_session = self._getSessionConfiguration(p_session)
	289	if academic_session == None:
[8600]	290	return _(u'Session configuration object is not available.'), None
[8677]	291	# Determine fee.
[7151]	292	if category == 'transfer':
[8600]	293	amount = academic_session.transfer_fee
[14296]	294	elif category == 'transcript_local':
	295	amount = academic_session.transcript_fee_local
	296	elif category == 'transcript_inter':
	297	amount = academic_session.transcript_fee_inter
[7151]	298	elif category == 'bed_allocation':
[8600]	299	amount = academic_session.booking_fee
[14378]	300	elif category == 'restitution':
[15178]	301	if student.current_session != 2016 \
	302	or student.current_mode not in ('ug_ft', 'dp_ft') \
	303	or student.is_fresh:
[14378]	304	return _(u'Restitution fee payment not required.'), None
	305	amount = academic_session.restitution_fee
[7151]	306	elif category == 'hostel_maintenance':
[13418]	307	amount = 0.0
	308	bedticket = student['accommodation'].get(
	309	str(student.current_session), None)
[13502]	310	if bedticket is not None and bedticket.bed is not None:
[13474]	311	p_item = bedticket.display_coordinates
[13418]	312	if bedticket.bed.__parent__.maint_fee > 0:
	313	amount = bedticket.bed.__parent__.maint_fee
	314	else:
	315	# fallback
	316	amount = academic_session.maint_fee
	317	else:
[13506]	318	return _(u'No bed allocated.'), None
[13636]	319	elif student.current_mode == 'found' and category not in (
	320	'schoolfee', 'clearance', 'late_registration'):
	321	return _('Not allowed.'), None
[13400]	322	elif category.startswith('clearance'):
[13594]	323	if student.state not in (ADMITTED, CLEARANCE, REQUESTED, CLEARED):
	324	return _(u'Acceptance Fee payments not allowed.'), None
[13855]	325	if student.current_mode in (
	326	'ug_ft', 'ug_pt', 'de_ft', 'de_pt',
	327	'transfer', 'mug_ft', 'mde_ft') \
	328	and category != 'clearance_incl':
	329	return _("Additional fees must be included."), None
[14518]	330	if student.current_mode == 'ijmbe':
	331	amount = academic_session.clearance_fee_ijmbe
[14954]	332	elif student.current_mode == 'dp_ft':
	333	amount = academic_session.clearance_fee_dp
[14518]	334	elif student.faccode == 'FP':
[11653]	335	amount = academic_session.clearance_fee_fp
[13377]	336	elif student.current_mode.endswith('_pt'):
[13678]	337	if student.is_postgrad:
	338	amount = academic_session.clearance_fee_pg_pt
	339	else:
	340	amount = academic_session.clearance_fee_ug_pt
[13466]	341	elif student.faccode == 'FCS':
	342	# Students in clinical medical sciences pay the medical
	343	# acceptance fee
[13377]	344	amount = academic_session.clearance_fee_med
[13678]	345	elif student.is_postgrad: # and not part-time
[13853]	346	if category != 'clearance':
[13854]	347	return _("No additional fees required."), None
[13526]	348	amount = academic_session.clearance_fee_pg
[11653]	349	else:
	350	amount = academic_session.clearance_fee
[8753]	351	p_item = student['studycourse'].certificate.code
[13689]	352	if amount in (0.0, None):
	353	return _(u'Amount could not be determined.'), None
[14239]	354	# Add Matric Gown Fee and Lapel Fee
[13689]	355	if category == 'clearance_incl':
[13414]	356	amount += gateway_net_amt(academic_session.matric_gown_fee) + \
	357	gateway_net_amt(academic_session.lapel_fee)
[11004]	358	elif category == 'late_registration':
[14117]	359	if student.is_postgrad:
	360	amount = academic_session.late_pg_registration_fee
	361	else:
	362	amount = academic_session.late_registration_fee
[13400]	363	elif category.startswith('schoolfee'):
[8600]	364	try:
[8753]	365	certificate = student['studycourse'].certificate
	366	p_item = certificate.code
[8600]	367	except (AttributeError, TypeError):
	368	return _('Study course data are incomplete.'), None
[13853]	369	if student.is_postgrad and category != 'schoolfee':
[13854]	370	return _("No additional fees required."), None
[14544]	371	if not previous_session and student.current_mode in (
[13855]	372	'ug_ft', 'ug_pt', 'de_ft', 'de_pt',
	373	'transfer', 'mug_ft', 'mde_ft') \
	374	and not category in (
	375	'schoolfee_incl', 'schoolfee_1', 'schoolfee_2'):
[14244]	376	return _("You must choose a payment which includes "
[13855]	377	"additional fees."), None
[13780]	378	if category in ('schoolfee_1', 'schoolfee_2'):
	379	if student.current_mode == 'ug_pt':
	380	return _("Part-time students are not allowed "
	381	"to pay by instalments."), None
[14241]	382	if student.entry_session < 2015:
	383	return _("You are not allowed "
	384	"to pay by instalments."), None
[14544]	385	if previous_session:
	386	# Students can pay for previous sessions in all
	387	# workflow states. Fresh students are excluded by the
	388	# update method of the PreviousPaymentAddFormPage.
	389	if previous_level == 100:
	390	amount = getattr(certificate, 'school_fee_1', 0.0)
	391	else:
[14954]	392	if student.entry_session in (2015, 2016):
[14544]	393	amount = getattr(certificate, 'school_fee_2', 0.0)
	394	else:
	395	amount = getattr(certificate, 'school_fee_3', 0.0)
	396	elif student.state == CLEARED and category != 'schoolfee_2':
[14229]	397	amount = getattr(certificate, 'school_fee_1', 0.0)
[13512]	398	# Cut school fee by 50%
[14241]	399	if category == 'schoolfee_1' and amount:
	400	amount = gateway_net_amt(amount) / 2 + GATEWAY_AMT
	401	elif student.is_fresh and category == 'schoolfee_2':
	402	amount = getattr(certificate, 'school_fee_1', 0.0)
	403	# Cut school fee by 50%
	404	if amount:
	405	amount = gateway_net_amt(amount) / 2 + GATEWAY_AMT
[14396]	406	elif student.state == RETURNING and category != 'schoolfee_2':
[13482]	407	if not student.father_name:
	408	return _("Personal data form is not properly filled."), None
[13374]	409	# In case of returning school fee payment the payment session
	410	# and level contain the values of the session the student
	411	# has paid for.
	412	p_session, p_level = self.getReturningData(student)
[8961]	413	try:
	414	academic_session = grok.getSite()[
	415	'configuration'][str(p_session)]
	416	except KeyError:
	417	return _(u'Session configuration object is not available.'), None
[15194]	418	if student.entry_session in (2015, 2016, 2017):
[14229]	419	amount = getattr(certificate, 'school_fee_2', 0.0)
[13374]	420	else:
[14229]	421	amount = getattr(certificate, 'school_fee_3', 0.0)
[14954]	422	# Cut school fee by 50%
	423	if category == 'schoolfee_1' and amount:
	424	amount = gateway_net_amt(amount) / 2 + GATEWAY_AMT
[14241]	425	elif category == 'schoolfee_2':
	426	amount = getattr(certificate, 'school_fee_2', 0.0)
	427	# Cut school fee by 50%
	428	if amount:
	429	amount = gateway_net_amt(amount) / 2 + GATEWAY_AMT
[8600]	430	else:
[8753]	431	return _('Wrong state.'), None
[13417]	432	if amount in (0.0, None):
	433	return _(u'Amount could not be determined.'), None
[15180]	434	# Add Student Union Fee, Student Id Card Fee, Sports Dev. Fee,
	435	# Library Dev. Fee and Welfare Assurance
	436	if category in ('schoolfee_incl', 'schoolfee_1'):
	437	if student.current_mode != 'ijmbe':
	438	amount += gateway_net_amt(academic_session.welfare_fee) + \
	439	gateway_net_amt(academic_session.union_fee)
[15192]	440	if student.entry_session == 2018 and student.is_fresh:
	441	amount += gateway_net_amt(academic_session.sports_fee)
	442	if student.is_postgrad:
	443	amount += gateway_net_amt(academic_session.library_fee_pg)
	444	else:
	445	amount += gateway_net_amt(academic_session.library_fee)
[14244]	446	if student.entry_session == 2016 \
	447	and student.entry_mode == 'ug_ft' \
	448	and student.state == CLEARED:
	449	amount += gateway_net_amt(academic_session.id_card_fee)
[13534]	450	# Add non-indigenous fee and session specific penalty fees
	451	if student.is_postgrad:
	452	amount += academic_session.penalty_pg
[14246]	453	if student.lga and not student.lga.startswith('edo'):
[13534]	454	amount += 20000.0
	455	else:
	456	amount += academic_session.penalty_ug
[14248]	457	elif not student.is_postgrad:
	458	fee_name = category + '_fee'
	459	amount = getattr(academic_session, fee_name, 0.0)
[8600]	460	if amount in (0.0, None):
	461	return _(u'Amount could not be determined.'), None
[8677]	462	# Create ticket.
[8600]	463	for key in student['payments'].keys():
	464	ticket = student['payments'][key]
	465	if ticket.p_state == 'paid' and\
	466	ticket.p_category == category and \
[15096]	467	not ticket.p_category.startswith('transcript') and \
[8600]	468	ticket.p_item == p_item and \
	469	ticket.p_session == p_session:
	470	return _('This type of payment has already been made.'), None
[13786]	471	# Additional condition in AAUE
	472	if category in ('schoolfee', 'schoolfee_incl', 'schoolfee_1'):
	473	if ticket.p_state == 'paid' and \
	474	ticket.p_category in ('schoolfee',
	475	'schoolfee_incl',
	476	'schoolfee_1') and \
	477	ticket.p_item == p_item and \
	478	ticket.p_session == p_session:
	479	return _(
	480	'Another school fee payment for this '
	481	'session has already been made.'), None
	482
[11455]	483	if self._isPaymentDisabled(p_session, category, student):
[13798]	484	return _('This category of payments has been disabled.'), None
[8712]	485	payment = createObject(u'waeup.StudentOnlinePayment')
[8954]	486	timestamp = ("%d" % int(time()*10000))[1:]
[8600]	487	payment.p_id = "p%s" % timestamp
	488	payment.p_category = category
	489	payment.p_item = p_item
	490	payment.p_session = p_session
	491	payment.p_level = p_level
[9154]	492	payment.p_current = p_current
[8600]	493	payment.amount_auth = amount
	494	return None, payment
[7621]	495
[10922]	496	def _admissionText(self, student, portal_language):
	497	inst_name = grok.getSite()['configuration'].name
	498	entry_session = student['studycourse'].entry_session
	499	entry_session = academic_sessions_vocab.getTerm(entry_session).title
	500	text = trans(_(
[10953]	501	'This is to inform you that you have been offered provisional'
	502	' admission into ${a} for the ${b} academic session as follows:',
[10922]	503	mapping = {'a': inst_name, 'b': entry_session}),
	504	portal_language)
	505	return text
	506
[14585]	507	def warnCreditsOOR(self, studylevel, course=None):
[14733]	508	studycourse = studylevel.__parent__
	509	certificate = getattr(studycourse,'certificate', None)
	510	current_level = studycourse.current_level
	511	if None in (current_level, certificate):
	512	return
	513	end_level = certificate.end_level
	514	if current_level >= end_level:
	515	limit = 52
	516	else:
	517	limit = 48
	518	if course and studylevel.total_credits + course.credits > limit:
[14585]	519	return _('Maximum credits exceeded.')
[14733]	520	elif studylevel.total_credits > limit:
[14585]	521	return _('Maximum credits exceeded.')
	522	return
[10051]	523
[13353]	524	def getBedCoordinates(self, bedticket):
	525	"""Return descriptive bed coordinates.
	526	This method can be used to customize the `display_coordinates`
	527	property method in order to display a
	528	customary description of the bed space.
	529	"""
	530	bc = bedticket.bed_coordinates.split(',')
	531	if len(bc) == 4:
	532	return bc[0]
	533	return bedticket.bed_coordinates
	534
[13415]	535	def getAccommodationDetails(self, student):
	536	"""Determine the accommodation data of a student.
	537	"""
	538	d = {}
	539	d['error'] = u''
	540	hostels = grok.getSite()['hostels']
	541	d['booking_session'] = hostels.accommodation_session
	542	d['allowed_states'] = hostels.accommodation_states
	543	d['startdate'] = hostels.startdate
	544	d['enddate'] = hostels.enddate
	545	d['expired'] = hostels.expired
	546	# Determine bed type
[13416]	547	bt = 'all'
[13415]	548	if student.sex == 'f':
	549	sex = 'female'
	550	else:
	551	sex = 'male'
	552	special_handling = 'regular'
	553	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
	554	return d
	555
[13753]	556	def checkAccommodationRequirements(self, student, acc_details):
[14238]	557	msg = super(CustomStudentsUtils, self).checkAccommodationRequirements(
[13753]	558	student, acc_details)
[14238]	559	if msg:
	560	return msg
[13753]	561	if student.current_mode not in ('ug_ft', 'de_ft', 'mug_ft', 'mde_ft'):
	562	return _('You are not eligible to book accommodation.')
	563	return
	564
[8444]	565	# AAUE prefix
[14593]	566	STUDENT_ID_PREFIX = u'E'
	567
	568	STUDENT_EXPORTER_NAMES = ('students', 'studentstudycourses',
	569	'studentstudylevels', 'coursetickets',
	570	'studentpayments', 'studentunpaidpayments',
[15050]	571	'bedtickets', 'sfpaymentsoverview',
[14593]	572	'studylevelsoverview', 'combocard', 'bursary',
	573	'levelreportdata')

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