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source: main/waeup.uniben/trunk/src/waeup/uniben/students/utils.py @ 13324

Last change on this file since 13324 was 13310, checked in by Henrik Bettermann, 9 years ago
JUPEB students don't need to pay.
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[7419]	1	## $Id: utils.py 13310 2015-10-12 11:23:12Z 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.")
[13283]	67	bt = acc_details.get('bt')
	68	if not bt:
[13248]	69	return _("Your data are incomplete.")
	70	if not student.state in acc_details['allowed_states']:
	71	return _("You are in the wrong registration state.")
	72	if student['studycourse'].current_session != acc_details[
	73	'booking_session']:
	74	return _('Your current session does not '
	75	'match accommodation session.')
[13283]	76	stage = bt.split('_')[2]
	77	if stage not in ('fr', 'fi'):
	78	return _("Only fresh and final year students are allowed to book accommodation.")
[13309]	79	if stage != 'fr' and not student['studycourse'].previous_verdict in ('A', 'B'):
[13283]	80	return _("Your are not eligible to book accommodation.")
[13248]	81	if str(acc_details['booking_session']) in student['accommodation'].keys():
	82	return _('You already booked a bed space in '
	83	'current accommodation session.')
	84	return
[13244]	85
[13295]	86	def getAccommodationDetails(self, student):
	87	"""Determine the accommodation data of a student.
	88	"""
	89	d = {}
	90	d['error'] = u''
	91	hostels = grok.getSite()['hostels']
	92	d['booking_session'] = hostels.accommodation_session
	93	d['allowed_states'] = hostels.accommodation_states
	94	d['startdate'] = hostels.startdate
	95	d['enddate'] = hostels.enddate
	96	d['expired'] = hostels.expired
	97	# Determine bed type
	98	studycourse = student['studycourse']
	99	certificate = getattr(studycourse,'certificate',None)
	100	entry_session = studycourse.entry_session
	101	current_level = studycourse.current_level
	102	if None in (entry_session, current_level, certificate):
	103	return d
	104	end_level = certificate.end_level
	105	if current_level == 10:
	106	bt = 'pr'
	107	elif entry_session == grok.getSite()['hostels'].accommodation_session:
	108	bt = 'fr'
	109	elif current_level >= end_level:
	110	bt = 'fi'
	111	else:
	112	bt = 're'
	113	if student.sex == 'f':
	114	sex = 'female'
	115	else:
	116	sex = 'male'
	117	special_handling = 'regular'
[13298]	118	if student.faccode in ('MED', 'DEN'):
[13296]	119	special_handling = 'clinical'
[13295]	120	d['bt'] = u'%s_%s_%s' % (special_handling,sex,bt)
	121	return d
	122
[9520]	123	def _paymentMade(self, student, session):
	124	if len(student['payments']):
	125	for ticket in student['payments'].values():
	126	if ticket.p_state == 'paid' and \
	127	ticket.p_category == 'schoolfee' and \
	128	ticket.p_session == session:
	129	return True
	130	return False
	131
[13251]	132	#def _hostelApplicationPaymentMade(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 == 'hostel_application' and \
	137	# ticket.p_session == session:
	138	# return True
	139	# return False
[12566]	140
[9152]	141	def setPaymentDetails(self, category, student,
	142	previous_session, previous_level):
[8598]	143	"""Create Payment object and set the payment data of a student for
	144	the payment category specified.
	145
	146	"""
	147	p_item = u''
	148	amount = 0.0
[9152]	149	if previous_session:
[9520]	150	if previous_session < student['studycourse'].entry_session:
	151	return _('The previous session must not fall below '
	152	'your entry session.'), None
	153	if category == 'schoolfee':
	154	# School fee is always paid for the following session
	155	if previous_session > student['studycourse'].current_session:
	156	return _('This is not a previous session.'), None
	157	else:
	158	if previous_session > student['studycourse'].current_session - 1:
	159	return _('This is not a previous session.'), None
[9152]	160	p_session = previous_session
	161	p_level = previous_level
	162	p_current = False
	163	else:
	164	p_session = student['studycourse'].current_session
	165	p_level = student['studycourse'].current_level
	166	p_current = True
[9520]	167	academic_session = self._getSessionConfiguration(p_session)
	168	if academic_session == None:
[8598]	169	return _(u'Session configuration object is not available.'), None
[8676]	170	# Determine fee.
[7151]	171	if category == 'transfer':
[8598]	172	amount = academic_session.transfer_fee
[10469]	173	elif category == 'transcript':
	174	amount = academic_session.transcript_fee
[7151]	175	elif category == 'gown':
[8598]	176	amount = academic_session.gown_fee
[13251]	177	elif category == 'bed_allocation':
	178	p_item = self.getAccommodationDetails(student)['bt']
	179	amount = academic_session.booking_fee
[13283]	180	# Add student union dues
	181	stage = self.getAccommodationDetails(student)['bt']
	182	stage = stage.split('_')[2]
	183	if stage == 'fr':
	184	amount += 500.0
[13309]	185	elif stage == 'fi' and student[
	186	'studycourse'].previous_verdict in ('A', 'B'):
[13296]	187	amount += 300.0
[13283]	188	else:
[13296]	189	amount = 0.0
[13251]	190	elif category == 'hostel_maintenance':
	191	amount = 0.0
	192	bedticket = student['accommodation'].get(
	193	str(student.current_session), None)
	194	if bedticket:
	195	p_item = bedticket.bed_coordinates
	196	if bedticket.bed.__parent__.maint_fee > 0:
	197	amount = bedticket.bed.__parent__.maint_fee
	198	else:
	199	# fallback
	200	amount = academic_session.maint_fee
	201	else:
	202	# Should not happen because this is already checked
	203	# in the browser module, but anyway ...
	204	portal_language = getUtility(IKofaUtils).PORTAL_LANGUAGE
	205	p_item = trans(_('no bed allocated'), portal_language)
	206	#elif category == 'hostel_application':
	207	# amount = 1000.0
	208	#elif category.startswith('tempmaint'):
	209	# if not self._hostelApplicationPaymentMade(
	210	# student, student.current_session):
	211	# return _(
	212	# 'You have not yet paid the hostel application fee.'), None
	213	# if category == 'tempmaint_1':
	214	# amount = 8150.0
	215	# elif category == 'tempmaint_2':
	216	# amount = 12650.0
	217	# elif category == 'tempmaint_3':
	218	# amount = 9650.0
[7151]	219	elif category == 'clearance':
[9796]	220	p_item = student.certcode
	221	if p_item is None:
[8598]	222	return _('Study course data are incomplete.'), None
[13310]	223	if student.faccode == 'JUPEB':
	224	return _('No payment required.'), None
[11479]	225	if student.faccode == 'FCETA':
	226	amount = 22500.0
	227	elif p_item in ('BSCANA', 'BSCMBC', 'BMLS', 'BSCNUR', 'BSCPHS', 'BDS',
	228	'MBBSMED', 'MBBSNDU'):
	229	amount = 65000.0
	230	elif p_item in ('BEDCET', 'BIOEDCET', 'CHMEDCET', 'ISEDCET',
	231	'MTHEDCET', 'PHYEDCET', 'ITECET', 'AGREDCET', 'HEEDCET'):
	232	amount = 22500.0
	233	else:
[9346]	234	amount = 45000.0
[7151]	235	elif category == 'schoolfee':
[8598]	236	try:
	237	certificate = student['studycourse'].certificate
	238	p_item = certificate.code
	239	except (AttributeError, TypeError):
	240	return _('Study course data are incomplete.'), None
[9152]	241	if previous_session:
[9520]	242	# Students can pay for previous sessions in all workflow states.
	243	# Fresh students are excluded by the update method of the
	244	# PreviousPaymentAddFormPage.
[9157]	245	if previous_session == student['studycourse'].entry_session:
[9152]	246	if student.is_foreigner:
	247	amount = getattr(certificate, 'school_fee_3', 0.0)
	248	else:
	249	amount = getattr(certificate, 'school_fee_1', 0.0)
[9006]	250	else:
[9152]	251	if student.is_foreigner:
	252	amount = getattr(certificate, 'school_fee_4', 0.0)
	253	else:
	254	amount = getattr(certificate, 'school_fee_2', 0.0)
	255	else:
	256	if student.state == CLEARED:
	257	if student.is_foreigner:
	258	amount = getattr(certificate, 'school_fee_3', 0.0)
	259	else:
	260	amount = getattr(certificate, 'school_fee_1', 0.0)
[9513]	261	elif student.state in (PAID, REGISTERED, VALIDATED):
	262	p_session += 1
	263	# We don't know which level the student is paying for.
	264	p_level = None
[9520]	265	academic_session = self._getSessionConfiguration(p_session)
	266	if academic_session == None:
[9513]	267	return _(u'Session configuration object is not available.'), None
[9570]	268
[9520]	269	# Students are only allowed to pay for the next session
	270	# if current session payment
	271	# has really been made, i.e. payment object exists.
[9570]	272	#if not self._paymentMade(
	273	# student, student.current_session):
	274	# return _('You have not yet paid your current/active' +
	275	# ' session. Please use the previous session' +
	276	# ' payment form first.'), None
	277
[9513]	278	if student.is_foreigner:
	279	amount = getattr(certificate, 'school_fee_4', 0.0)
	280	else:
	281	amount = getattr(certificate, 'school_fee_2', 0.0)
[9152]	282	elif student.state == RETURNING:
	283	# In case of returning school fee payment the payment session
	284	# and level contain the values of the session the student
	285	# has paid for.
	286	p_session, p_level = self.getReturningData(student)
[9520]	287	academic_session = self._getSessionConfiguration(p_session)
	288	if academic_session == None:
[9152]	289	return _(u'Session configuration object is not available.'), None
[9570]	290
[9520]	291	# Students are only allowed to pay for the next session
	292	# if current session payment has really been made,
	293	# i.e. payment object exists and is paid.
[9570]	294	#if not self._paymentMade(
	295	# student, student.current_session):
	296	# return _('You have not yet paid your current/active' +
	297	# ' session. Please use the previous session' +
	298	# ' payment form first.'), None
	299
[9152]	300	if student.is_foreigner:
	301	amount = getattr(certificate, 'school_fee_4', 0.0)
	302	else:
	303	amount = getattr(certificate, 'school_fee_2', 0.0)
[9006]	304	# Give 50% school fee discount to staff members.
	305	if student.is_staff:
	306	amount /= 2
[8598]	307	if amount in (0.0, None):
[9520]	308	return _('Amount could not be determined.'), None
[8676]	309	# Add session specific penalty fee.
	310	if category == 'schoolfee' and student.is_postgrad:
	311	amount += academic_session.penalty_pg
	312	elif category == 'schoolfee':
	313	amount += academic_session.penalty_ug
[9727]	314	if category.startswith('tempmaint'):
	315	p_item = getUtility(IKofaUtils).PAYMENT_CATEGORIES[category]
	316	p_item = unicode(p_item)
	317	# Now we change the category because tempmaint payments
[12566]	318	# will be obsolete when Uniben returns to Kofa bed allocation.
[9727]	319	category = 'hostel_maintenance'
[8676]	320	# Create ticket.
[11644]	321	if self.samePaymentMade(student, category, p_item, p_session):
	322	return _('This type of payment has already been made.'), None
[11459]	323	if self._isPaymentDisabled(p_session, category, student):
	324	return _('Payment temporarily disabled.'), None
[8715]	325	payment = createObject(u'waeup.StudentOnlinePayment')
[8950]	326	timestamp = ("%d" % int(time()*10000))[1:]
[8598]	327	payment.p_id = "p%s" % timestamp
	328	payment.p_category = category
	329	payment.p_item = p_item
	330	payment.p_session = p_session
	331	payment.p_level = p_level
[9152]	332	payment.p_current = p_current
[8598]	333	payment.amount_auth = amount
	334	return None, payment
[7621]	335
[9831]	336	def maxCredits(self, studylevel):
	337	"""Return maximum credits.
	338
	339	"""
	340	studycourse = studylevel.__parent__
	341	certificate = getattr(studycourse,'certificate', None)
	342	current_level = studycourse.current_level
	343	if None in (current_level, certificate):
	344	return 0
	345	end_level = certificate.end_level
	346	if current_level >= end_level:
	347	return 51
	348	return 50
	349
[11773]	350	def clearance_disabled_message(self, student):
	351	if student.is_postgrad:
	352	return None
	353	try:
	354	session_config = grok.getSite()[
	355	'configuration'][str(student.current_session)]
	356	except KeyError:
	357	return _('Session configuration object is not available.')
	358	if not session_config.clearance_enabled:
	359	return _('Clearance is disabled for this session.')
	360	return None
	361
[8441]	362	# Uniben prefix
[8413]	363	STUDENT_ID_PREFIX = u'B'

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