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source: main/waeup.uniben/trunk/src/waeup/uniben/students/utils.py @ 14162

Last change on this file since 14162 was 14038, checked in by Henrik Bettermann, 8 years ago
Forbid changing passport pictures (ticket #1070).
Property svn:keywords set to `Id`
File size: 17.5 KB

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[7419]	1	## $Id: utils.py 14038 2016-07-31 09:08:29Z 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[
[13522]	80	'studycourse'].previous_verdict in ('A', 'B', 'F', 'J', 'C', 'Z'):
[13283]	81	return _("Your are not eligible to book accommodation.")
[13510]	82	if str(acc_details[
	83	'booking_session']) in student['accommodation'].keys():
[13248]	84	return _('You already booked a bed space in '
	85	'current accommodation session.')
	86	return
[13244]	87
[13295]	88	def getAccommodationDetails(self, student):
	89	"""Determine the accommodation data of a student.
	90	"""
	91	d = {}
	92	d['error'] = u''
	93	hostels = grok.getSite()['hostels']
	94	d['booking_session'] = hostels.accommodation_session
	95	d['allowed_states'] = hostels.accommodation_states
	96	d['startdate'] = hostels.startdate
	97	d['enddate'] = hostels.enddate
	98	d['expired'] = hostels.expired
	99	# Determine bed type
	100	studycourse = student['studycourse']
	101	certificate = getattr(studycourse,'certificate',None)
	102	entry_session = studycourse.entry_session
	103	current_level = studycourse.current_level
	104	if None in (entry_session, current_level, certificate):
	105	return d
	106	if student.sex == 'f':
	107	sex = 'female'
	108	else:
	109	sex = 'male'
[13777]	110	if student.is_postgrad:
	111	bt = 'all'
	112	special_handling = 'pg'
	113	else:
	114	end_level = certificate.end_level
	115	if current_level == 10:
	116	bt = 'pr'
	117	elif entry_session == grok.getSite()['hostels'].accommodation_session:
	118	bt = 'fr'
	119	elif current_level >= end_level:
	120	bt = 'fi'
	121	else:
	122	bt = 're'
	123	special_handling = 'regular'
	124	if student.faccode in ('MED', 'DEN'):
	125	special_handling = 'clinical'
	126	elif student.certcode in ('BARTMAS', 'BARTTHR', 'BARTFAA',
	127	'BAEDFAA', 'BSCEDECHED'):
	128	special_handling = 'ekenwan'
[13295]	129	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
	130	return d
	131
[9520]	132	def _paymentMade(self, student, session):
	133	if len(student['payments']):
	134	for ticket in student['payments'].values():
	135	if ticket.p_state == 'paid' and \
	136	ticket.p_category == 'schoolfee' and \
	137	ticket.p_session == session:
	138	return True
	139	return False
	140
[13566]	141	def _isPaymentDisabled(self, p_session, category, student):
	142	academic_session = self._getSessionConfiguration(p_session)
	143	if category == 'schoolfee' and \
	144	'sf_all' in academic_session.payment_disabled:
	145	return True
	146	if category == 'hostel_maintenance' and \
	147	'maint_all' in academic_session.payment_disabled:
	148	return True
	149	return False
	150
[13251]	151	#def _hostelApplicationPaymentMade(self, student, session):
	152	# if len(student['payments']):
	153	# for ticket in student['payments'].values():
	154	# if ticket.p_state == 'paid' and \
	155	# ticket.p_category == 'hostel_application' and \
	156	# ticket.p_session == session:
	157	# return True
	158	# return False
[12566]	159
[9152]	160	def setPaymentDetails(self, category, student,
	161	previous_session, previous_level):
[8598]	162	"""Create Payment object and set the payment data of a student for
	163	the payment category specified.
	164
	165	"""
	166	p_item = u''
	167	amount = 0.0
[9152]	168	if previous_session:
[9520]	169	if previous_session < student['studycourse'].entry_session:
	170	return _('The previous session must not fall below '
	171	'your entry session.'), None
	172	if category == 'schoolfee':
	173	# School fee is always paid for the following session
	174	if previous_session > student['studycourse'].current_session:
	175	return _('This is not a previous session.'), None
	176	else:
	177	if previous_session > student['studycourse'].current_session - 1:
	178	return _('This is not a previous session.'), None
[9152]	179	p_session = previous_session
	180	p_level = previous_level
	181	p_current = False
	182	else:
	183	p_session = student['studycourse'].current_session
	184	p_level = student['studycourse'].current_level
	185	p_current = True
[9520]	186	academic_session = self._getSessionConfiguration(p_session)
	187	if academic_session == None:
[8598]	188	return _(u'Session configuration object is not available.'), None
[8676]	189	# Determine fee.
[7151]	190	if category == 'transfer':
[8598]	191	amount = academic_session.transfer_fee
[10469]	192	elif category == 'transcript':
	193	amount = academic_session.transcript_fee
[7151]	194	elif category == 'gown':
[8598]	195	amount = academic_session.gown_fee
[13785]	196	elif category == 'jupeb':
	197	amount = academic_session.jupeb_fee
[13251]	198	elif category == 'bed_allocation':
	199	p_item = self.getAccommodationDetails(student)['bt']
	200	amount = academic_session.booking_fee
[13283]	201	# Add student union dues
[13777]	202	if not student.is_postgrad:
	203	stage = self.getAccommodationDetails(student)['bt']
	204	stage = stage.split('_')[2]
	205	if stage == 'fr':
	206	amount += 500.0
	207	elif stage in ('fi', 're') and student[
	208	'studycourse'].previous_verdict in ('A', 'B', 'F', 'J', 'C', 'Z'):
	209	amount += 300.0
	210	else:
	211	amount = 0.0
[13251]	212	elif category == 'hostel_maintenance':
	213	amount = 0.0
	214	bedticket = student['accommodation'].get(
	215	str(student.current_session), None)
[13500]	216	if bedticket is not None and bedticket.bed is not None:
[13251]	217	p_item = bedticket.bed_coordinates
	218	if bedticket.bed.__parent__.maint_fee > 0:
	219	amount = bedticket.bed.__parent__.maint_fee
	220	else:
	221	# fallback
	222	amount = academic_session.maint_fee
	223	else:
[13508]	224	return _(u'No bed allocated.'), None
[13251]	225	#elif category == 'hostel_application':
	226	# amount = 1000.0
	227	#elif category.startswith('tempmaint'):
	228	# if not self._hostelApplicationPaymentMade(
	229	# student, student.current_session):
	230	# return _(
	231	# 'You have not yet paid the hostel application fee.'), None
	232	# if category == 'tempmaint_1':
	233	# amount = 8150.0
	234	# elif category == 'tempmaint_2':
	235	# amount = 12650.0
	236	# elif category == 'tempmaint_3':
	237	# amount = 9650.0
[7151]	238	elif category == 'clearance':
[9796]	239	p_item = student.certcode
	240	if p_item is None:
[8598]	241	return _('Study course data are incomplete.'), None
[13310]	242	if student.faccode == 'JUPEB':
	243	return _('No payment required.'), None
[13869]	244	if student.faccode.startswith('FCETA'):
	245	# ASABA and AKOKA
[13631]	246	amount = 30000.0
[11479]	247	elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS',
	248	'MBBSMED', 'MBBSNDU'):
	249	amount = 65000.0
	250	else:
[9346]	251	amount = 45000.0
[7151]	252	elif category == 'schoolfee':
[8598]	253	try:
	254	certificate = student['studycourse'].certificate
	255	p_item = certificate.code
	256	except (AttributeError, TypeError):
	257	return _('Study course data are incomplete.'), None
[13332]	258
	259	#####################################################
[13340]	260	#if student.faccode == 'JUPEB':
	261	# return _('Payment temporarily disabled.'), None
[13332]	262	#####################################################
	263
	264
[9152]	265	if previous_session:
[9520]	266	# Students can pay for previous sessions in all workflow states.
	267	# Fresh students are excluded by the update method of the
	268	# PreviousPaymentAddFormPage.
[9157]	269	if previous_session == student['studycourse'].entry_session:
[9152]	270	if student.is_foreigner:
	271	amount = getattr(certificate, 'school_fee_3', 0.0)
	272	else:
	273	amount = getattr(certificate, 'school_fee_1', 0.0)
[9006]	274	else:
[9152]	275	if student.is_foreigner:
	276	amount = getattr(certificate, 'school_fee_4', 0.0)
	277	else:
	278	amount = getattr(certificate, 'school_fee_2', 0.0)
	279	else:
	280	if student.state == CLEARED:
	281	if student.is_foreigner:
	282	amount = getattr(certificate, 'school_fee_3', 0.0)
	283	else:
	284	amount = getattr(certificate, 'school_fee_1', 0.0)
[9513]	285	elif student.state in (PAID, REGISTERED, VALIDATED):
	286	p_session += 1
	287	# We don't know which level the student is paying for.
	288	p_level = None
[9520]	289	academic_session = self._getSessionConfiguration(p_session)
	290	if academic_session == None:
[9513]	291	return _(u'Session configuration object is not available.'), None
[9570]	292
[9520]	293	# Students are only allowed to pay for the next session
	294	# if current session payment
	295	# has really been made, i.e. payment object exists.
[9570]	296	#if not self._paymentMade(
	297	# student, student.current_session):
	298	# return _('You have not yet paid your current/active' +
	299	# ' session. Please use the previous session' +
	300	# ' payment form first.'), None
	301
[9513]	302	if student.is_foreigner:
	303	amount = getattr(certificate, 'school_fee_4', 0.0)
	304	else:
	305	amount = getattr(certificate, 'school_fee_2', 0.0)
[9152]	306	elif student.state == RETURNING:
	307	# In case of returning school fee payment the payment session
	308	# and level contain the values of the session the student
	309	# has paid for.
	310	p_session, p_level = self.getReturningData(student)
[9520]	311	academic_session = self._getSessionConfiguration(p_session)
	312	if academic_session == None:
[9152]	313	return _(u'Session configuration object is not available.'), None
[9570]	314
[9520]	315	# Students are only allowed to pay for the next session
	316	# if current session payment has really been made,
	317	# i.e. payment object exists and is paid.
[9570]	318	#if not self._paymentMade(
	319	# student, student.current_session):
	320	# return _('You have not yet paid your current/active' +
	321	# ' session. Please use the previous session' +
	322	# ' payment form first.'), None
	323
[9152]	324	if student.is_foreigner:
	325	amount = getattr(certificate, 'school_fee_4', 0.0)
	326	else:
	327	amount = getattr(certificate, 'school_fee_2', 0.0)
[9006]	328	# Give 50% school fee discount to staff members.
	329	if student.is_staff:
	330	amount /= 2
[8598]	331	if amount in (0.0, None):
[9520]	332	return _('Amount could not be determined.'), None
[8676]	333	# Add session specific penalty fee.
	334	if category == 'schoolfee' and student.is_postgrad:
	335	amount += academic_session.penalty_pg
[13757]	336	elif category == 'schoolfee' and student.current_mode == ('ug_ft'):
[13756]	337	amount += academic_session.penalty_ug_ft
[13757]	338	elif category == 'schoolfee' and student.current_mode == ('ug_pt'):
[13756]	339	amount += academic_session.penalty_ug_pt
[13998]	340	elif category == 'schoolfee' and student.current_mode == ('ug_sw'):
	341	amount += academic_session.penalty_sw
[9727]	342	if category.startswith('tempmaint'):
	343	p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category]
	344	p_item = unicode(p_item)
	345	# Now we change the category because tempmaint payments
[12566]	346	# will be obsolete when Uniben returns to Kofa bed allocation.
[9727]	347	category = 'hostel_maintenance'
[8676]	348	# Create ticket.
[11644]	349	if self.samePaymentMade(student, category, p_item, p_session):
	350	return _('This type of payment has already been made.'), None
[11459]	351	if self._isPaymentDisabled(p_session, category, student):
[13814]	352	return _('This category of payments has been disabled.'), None
[8715]	353	payment = createObject(u'waeup.StudentOnlinePayment')
[8950]	354	timestamp = ("%d" % int(time()*10000))[1:]
[8598]	355	payment.p_id = "p%s" % timestamp
	356	payment.p_category = category
	357	payment.p_item = p_item
	358	payment.p_session = p_session
	359	payment.p_level = p_level
[9152]	360	payment.p_current = p_current
[8598]	361	payment.amount_auth = amount
	362	return None, payment
[7621]	363
[9831]	364	def maxCredits(self, studylevel):
	365	"""Return maximum credits.
	366
	367	"""
	368	studycourse = studylevel.__parent__
	369	certificate = getattr(studycourse,'certificate', None)
	370	current_level = studycourse.current_level
	371	if None in (current_level, certificate):
	372	return 0
	373	end_level = certificate.end_level
	374	if current_level >= end_level:
	375	return 51
	376	return 50
	377
[11773]	378	def clearance_disabled_message(self, student):
	379	if student.is_postgrad:
	380	return None
	381	try:
	382	session_config = grok.getSite()[
	383	'configuration'][str(student.current_session)]
	384	except KeyError:
	385	return _('Session configuration object is not available.')
	386	if not session_config.clearance_enabled:
	387	return _('Clearance is disabled for this session.')
	388	return None
	389
[14038]	390	#: A tuple containing the names of registration states in which changing of
	391	#: passport pictures is allowed.
	392	PORTRAIT_CHANGE_STATES = ()
	393
[8441]	394	# Uniben prefix
[8413]	395	STUDENT_ID_PREFIX = u'B'

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