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source: main/waeup.aaue/trunk/src/waeup/aaue/students/utils.py @ 15185

Last change on this file since 15185 was 15181, checked in by Henrik Bettermann, 6 years ago
See ticket #513.
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[7419]	1	## $Id: utils.py 15181 2018-10-02 15:03:19Z 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
[14954]	418	if student.entry_session in (2015, 2016):
[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)
[15181]	440	amount += gateway_net_amt(academic_session.sports_fee)
	441	if student.is_postgrad:
	442	amount += gateway_net_amt(academic_session.library_fee_pg)
	443	else:
	444	amount += gateway_net_amt(academic_session.library_fee)
[14244]	445	if student.entry_session == 2016 \
	446	and student.entry_mode == 'ug_ft' \
	447	and student.state == CLEARED:
	448	amount += gateway_net_amt(academic_session.id_card_fee)
[13534]	449	# Add non-indigenous fee and session specific penalty fees
	450	if student.is_postgrad:
	451	amount += academic_session.penalty_pg
[14246]	452	if student.lga and not student.lga.startswith('edo'):
[13534]	453	amount += 20000.0
	454	else:
	455	amount += academic_session.penalty_ug
[14248]	456	elif not student.is_postgrad:
	457	fee_name = category + '_fee'
	458	amount = getattr(academic_session, fee_name, 0.0)
[8600]	459	if amount in (0.0, None):
	460	return _(u'Amount could not be determined.'), None
[8677]	461	# Create ticket.
[8600]	462	for key in student['payments'].keys():
	463	ticket = student['payments'][key]
	464	if ticket.p_state == 'paid' and\
	465	ticket.p_category == category and \
[15096]	466	not ticket.p_category.startswith('transcript') and \
[8600]	467	ticket.p_item == p_item and \
	468	ticket.p_session == p_session:
	469	return _('This type of payment has already been made.'), None
[13786]	470	# Additional condition in AAUE
	471	if category in ('schoolfee', 'schoolfee_incl', 'schoolfee_1'):
	472	if ticket.p_state == 'paid' and \
	473	ticket.p_category in ('schoolfee',
	474	'schoolfee_incl',
	475	'schoolfee_1') and \
	476	ticket.p_item == p_item and \
	477	ticket.p_session == p_session:
	478	return _(
	479	'Another school fee payment for this '
	480	'session has already been made.'), None
	481
[11455]	482	if self._isPaymentDisabled(p_session, category, student):
[13798]	483	return _('This category of payments has been disabled.'), None
[8712]	484	payment = createObject(u'waeup.StudentOnlinePayment')
[8954]	485	timestamp = ("%d" % int(time()*10000))[1:]
[8600]	486	payment.p_id = "p%s" % timestamp
	487	payment.p_category = category
	488	payment.p_item = p_item
	489	payment.p_session = p_session
	490	payment.p_level = p_level
[9154]	491	payment.p_current = p_current
[8600]	492	payment.amount_auth = amount
	493	return None, payment
[7621]	494
[10922]	495	def _admissionText(self, student, portal_language):
	496	inst_name = grok.getSite()['configuration'].name
	497	entry_session = student['studycourse'].entry_session
	498	entry_session = academic_sessions_vocab.getTerm(entry_session).title
	499	text = trans(_(
[10953]	500	'This is to inform you that you have been offered provisional'
	501	' admission into ${a} for the ${b} academic session as follows:',
[10922]	502	mapping = {'a': inst_name, 'b': entry_session}),
	503	portal_language)
	504	return text
	505
[14585]	506	def warnCreditsOOR(self, studylevel, course=None):
[14733]	507	studycourse = studylevel.__parent__
	508	certificate = getattr(studycourse,'certificate', None)
	509	current_level = studycourse.current_level
	510	if None in (current_level, certificate):
	511	return
	512	end_level = certificate.end_level
	513	if current_level >= end_level:
	514	limit = 52
	515	else:
	516	limit = 48
	517	if course and studylevel.total_credits + course.credits > limit:
[14585]	518	return _('Maximum credits exceeded.')
[14733]	519	elif studylevel.total_credits > limit:
[14585]	520	return _('Maximum credits exceeded.')
	521	return
[10051]	522
[13353]	523	def getBedCoordinates(self, bedticket):
	524	"""Return descriptive bed coordinates.
	525	This method can be used to customize the `display_coordinates`
	526	property method in order to display a
	527	customary description of the bed space.
	528	"""
	529	bc = bedticket.bed_coordinates.split(',')
	530	if len(bc) == 4:
	531	return bc[0]
	532	return bedticket.bed_coordinates
	533
[13415]	534	def getAccommodationDetails(self, student):
	535	"""Determine the accommodation data of a student.
	536	"""
	537	d = {}
	538	d['error'] = u''
	539	hostels = grok.getSite()['hostels']
	540	d['booking_session'] = hostels.accommodation_session
	541	d['allowed_states'] = hostels.accommodation_states
	542	d['startdate'] = hostels.startdate
	543	d['enddate'] = hostels.enddate
	544	d['expired'] = hostels.expired
	545	# Determine bed type
[13416]	546	bt = 'all'
[13415]	547	if student.sex == 'f':
	548	sex = 'female'
	549	else:
	550	sex = 'male'
	551	special_handling = 'regular'
	552	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
	553	return d
	554
[13753]	555	def checkAccommodationRequirements(self, student, acc_details):
[14238]	556	msg = super(CustomStudentsUtils, self).checkAccommodationRequirements(
[13753]	557	student, acc_details)
[14238]	558	if msg:
	559	return msg
[13753]	560	if student.current_mode not in ('ug_ft', 'de_ft', 'mug_ft', 'mde_ft'):
	561	return _('You are not eligible to book accommodation.')
	562	return
	563
[8444]	564	# AAUE prefix
[14593]	565	STUDENT_ID_PREFIX = u'E'
	566
	567	STUDENT_EXPORTER_NAMES = ('students', 'studentstudycourses',
	568	'studentstudylevels', 'coursetickets',
	569	'studentpayments', 'studentunpaidpayments',
[15050]	570	'bedtickets', 'sfpaymentsoverview',
[14593]	571	'studylevelsoverview', 'combocard', 'bursary',
	572	'levelreportdata')

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